DE102015104889A1 - Connector for media cables with secondary locking - Google Patents

Abstract

The present invention relates to a connector (1) for hose and / or pipe connections, comprising a coupling body (5) having a receiving opening (9) into which a plug part (3) with a plug shank and a collar (13) having the plug shank inserted is, and a retaining clip, which is arranged between a holding position and an insertion radially movable on the coupling body (5) and in the receiving opening (9). In the insertion position, the plug part (3) with the collar (13) in the receiving opening (9) can be inserted through the retaining clip, and in the holding position, the inserted plug part (3) behind the collar (13) form fit by means of the retaining clip in the receiving opening (9) blockable against withdrawal. A locking element (36) is arranged and formed on the coupling body (5) such that it is movable from a release position into a locking position transversely to the insertion direction of the male part (3) in the direction of the central axis (XX) of the connector (1), and Locking element (36) releases in the release position, a movement of the retaining clip from the holding position to the insertion position and locked in the locking position, the retaining clip in the holding position against movement into the insertion position.

Description

The invention relates to a connector for hose and / or pipe connections, comprising a coupling body having a receiving opening into which a plug part with a plug shank and a collar having the male shank is inserted, and a retaining clip between a holding position and an insertion radially movable on the coupling body and is arranged in the receiving opening, wherein in the insertion position, the plug part with the collar in the receiving opening is inserted through the retaining clip, and in the holding position, the inserted plug part behind the collar is positively lockable by means of the retaining clip in the receiving opening against withdrawal.

A generic connector is for example from the DE 24 44 993 A1 known. The retaining clip is designed as a resilient ring. The ring is interrupted by a radial slot on which two spring arms are formed. The spring arms form an outer circular arc, which extends over a circle angle of greater than 180 °. The ring is radially engaged in a slot-shaped circumferential opening on the coupling body. In this case, circumferential grooves on the outer circumference and on the inner circumference of the coupling body serve for the axial attachment of the ring in the coupling body. The spring arms engage around the outer circumference of the coupling body, wherein the peripheral wall of the coupling body between the ring in the interior of the coupling body and the spring arms is enclosed on the outer circumference of the coupling body. At the free end of the spring arms each actuating lever are mounted, by means of which the ring can be expanded over the spring arms in the radial direction and moved to an insertion position. The elastic force of the ring keeps the ring in the holding position. A disadvantage of this invention is in particular that the ring can not be locked in its holding position. The ring can be opened relatively easily by actuation of the actuators. This favors an erroneous release of the connector. In addition, it can not be ensured with this system whether the plug part completely, ie safe against pulling out, plugged into the connector and correctly blocked. The retaining clip can also be moved to the holding position when the plug part is only partially or not inserted and thus is not correctly held by the retaining clip in the connector.

The invention has for its object to provide a connector of the type mentioned above, in which the retaining clip can be locked in the holding position against erroneous loosening and also a correct and complete insertion of a connector part can be checked in the connector.

The object is achieved by the features of the characterizing part of claim 1. In particular, characterized in that a locking element is arranged and formed on the coupling body such that it is movable from a release position into a locking position transversely to the insertion direction of the plug part in the direction of the central axis of the connector, and the locking element in the release position, a movement of the retaining clip from the holding position releases into the insertion position and locked in the locking position, the retaining clip in the holding position against movement into the insertion position. The additional locking element prevents in the locked position an erroneous release of the retaining clip.

In an advantageous embodiment of the invention, releasable blocking means block the locking element in the release position against movement into the locking position. The locking means are designed such that they release the locking means at an introduction of the federal government of the plug part in the insertion direction to behind the retaining clip and release a movement of the locking element from the release position into the locking position. This prevents actuation of the locking element from the release position to the locking position, before the plug part has been completely and correctly inserted. Only with a complete introduction of the plug part in the connector, in particular an introduction of the federal government of the plug part in the insertion completely behind the retaining clip, the locking means are unlocked and can move the locking element in the locked position.

In a further embodiment of the invention, the locking element is arranged and formed on the coupling body such that it is movable from an additional blocking position into the release position transversely to the insertion direction of the plug part in the direction of the central axis of the connector, and the locking element in the blocking position, the retaining clip in the Hold position blocked against movement into the insertion position. The blocking position of the locking element prevents the plug part can be inserted into the coupling body. The user is caused to first move the locking element into the release position and thus to make the complete and correct insertion process aware, before he can insert the connector part in the connector.

Advantageously, the locking element has at least one locking arm, wherein the Latch arm is arranged and designed such that it blocks the retaining clip in the holding position in the locking position of the locking element. In particular, the locking arm is arranged and designed such that it blocks the retaining clip in the holding position even in the blocking position of the locking element. Preferably, the locking arm has a transverse groove on its side facing the plug part, wherein the transverse groove is arranged on the locking arm such that it releases a movement of the retaining element from the holding position to the insertion position in the release position of the locking element. This allows a particularly simple embodiment of the locking element.

In particular, the locking means comprise a locking step on at least one locking arm and a locking cam on the coupling body. This allows a particularly simple and reliable design of the locking means. Preferably, the locking arms are formed elastically deformable. As a result, the solubility of the blocking means is made possible in a simple manner.

In particular, the retaining clip locks in its insertion position, the locking element in the release position against movement in the blocking position. As a result, the collar of the plug part exert a deformation force in the radial direction on the locking arms, wherein slipping out of the locking element is avoided from the release position during the insertion process.

Preferably, latching means are provided on the coupling body and the locking element, which hold the locking element in the release position frictionally engaged. This allows a defined or recognizable for the user release position and avoids unwanted intermediate positions of the locking element, so that a wrong or incomplete positioning of the plug part is avoided. Kraftformschlüssig means that in a compound a form-fitting and a frictional connection are superimposed, so that the connection is reversible to open only due to a stress on the compound.

In particular, latching means are provided on the coupling body and the locking element, which hold the locking element in the locking position in a form-fitting manner. This allows a defined recognizable locking position for the user and avoids unwanted intermediate positions of the locking element. In addition, it is ensured by the positive locking that the locking can be solved only with a tool. This ensures the locking position to a particularly high degree.

In a further embodiment of the invention, latching means are provided on the coupling body and the locking element, which hold the locking element frictionally engaged in the blocking position. This allows a defined or recognizable for the user blocking position and avoids unwanted intermediate positions of the locking element.

The retaining clip is formed in an advantageous embodiment of two mirror-symmetrical holding elements. In this case, the holding elements are in particular designed like a clip and each have a first inner leg and a second outer leg, which are connected to one another at one end via a first vertex area. It is particularly advantageous if the outer leg of the holding element has a recess at its edge facing away from the plug part and the recess is arranged on the outer leg, that it is aligned with the first passage opening in the holding position of the retaining clip. Advantageously, the inner leg and / or the outer leg are formed elastically deformable. This allows a simple design and installation of the retaining clip and the locking element.

Further advantageous embodiments of the invention will become apparent from the following description of the figures and the dependent subclaims.

Show it:

1 a three-dimensional exploded view of an embodiment of a connector according to the invention with a male part to be inserted,

2a . 2 B a side view and a cross section through an embodiment of a connector according to the invention in the holding position of the holding elements and the blocking position of the locking element,

2c and 2d a side view and a cross section of an embodiment of a coupling body of a connector according to the invention without holding elements and without locking element,

2e a side view of a locking element for an embodiment of a connector according to the invention,

3a to 3f various representations of an embodiment of a connector according to the invention in the holding position of the holding elements and the blocking position of the Locking element with partially inserted plug part with collar in front of the retaining element,

4a to 4f various representations of a connector according to the invention in the holding position of the holding elements and the release position of the locking element with partially inserted plug part with collar in front of the holding element,

5a to 5f various representations of a connector according to the invention in the insertion of the holding elements and the release position of the locking element with partially inserted plug part with collar in the holding element,

6a to 6f various representations of an embodiment of a connector according to the invention in the holding position of the holding elements and release position of the locking element with fully and correctly inserted plug part with collar behind holding element, and

7a to 7f various representations of an embodiment of a connector according to the invention in the holding position of the holding elements and the locking position of the locking element with fully and correctly inserted plug part with collar behind holding element.

In the various figures of the drawing, like parts are always provided with the same reference numerals.

For the ensuing description, it is claimed that the invention is not limited to the embodiments and not to all or several features of described combinations of features, but rather, each individual feature of the / each embodiment is also detached from all other features described in connection therewith also in combination with any features of another embodiment of importance for the subject invention.

1 shows an exploded view of an advantageous embodiment of a connector according to the invention 1 for connecting a plug-in part designed as a pipe socket 3 , in particular one SAE J 2044 Male connector. The connector 1 comprises a coupling body 5 , The coupling body 5 is one-sided especially with a media line 7 connected and points at its the media line 7 opposite side a receiving opening 9 for inserting the plug part 3 on. The media management 7 can be designed in particular as a hose or tube.

The plug part 3 is hollow cylindrical and has a plug-in section 11 on, on the outer circumference of a circumferential collar 13 is arranged. The Bund 13 shares the insertion section 11 in a sealing section 15 and a locking portion 17 , wherein the sealing portion 15 axially in the insertion direction in front of the locking portion 17 is arranged. The sealing section 15 acts in particular with a in the coupling part 5 arranged sealing package 21 together. The seal package 21 preferably comprises two O-rings 23 , a spacer ring 25 and a termination socket 27 ,

The inner circumference of the receiving opening 9 of the coupling body 5 is advantageously designed such that in a completely and correctly inserted state of the plug part 3 in the receiving opening 9 the coupling body 5 a sealing connection with the plug part 3 forms. The receiving opening 9 is at its rear end in the insertion direction in particular by an annular wall 29 limited, as a stop for the introduction of the plug part 3 serves. The ring wall 29 forms a passage opening whose inner diameter in particular the inner diameter of a passage opening of the plug part 3 equivalent, so the media line 7 with the plug part 3 completely and fluidically tightly connected in the correctly inserted state.

The coupling body 5 points in the area of the receiving opening 9 at least one first passage opening 31 and at least one second passage opening 32 in its peripheral wall. The first and second through openings 31 . 32 extend from the outer periphery of the receiving opening 9 inside and open on the inner circumference. The first and second through openings 31 . 32 together serve to insert and fasten a retaining clip. Advantageously, the coupling body 5 two first passages 31 and two second through holes 32 on. The retaining clip comprises, in particular in this embodiment, two retaining elements 33 ,

For inserting the retaining elements 33 has the coupling body 5 advantageously in the receiving opening 9 at least one circumferentially extending receiving groove on its inner circumference 34 on. The receiving groove 34 in particular runs in each case between an opening of the first passage opening 31 and an orifice of the second passage opening. The receiving groove 34 serves for fastening the retaining elements 33 in particular by a clamping on the wall of the coupling body 5 and / or latching in the first or second passage opening 31 . 32 of the coupling body 5 , These are the holding elements 33 in particular formed elastically deformable.

The retaining clip is radially movable between the holding position and the insertion position on the coupling body 5 and in the receiving opening 9 arranged. Advantageously, the retaining elements are for this purpose 33 in particular in each case in the first passage opening 31 and the second passage opening 32 mounted so that they in the holding position the effective diameter of the receiving opening 9 reduce, so that a complete axial insertion or removal of the plug part 3 at the federal government 13 of the plug part 3 is prevented, and in the insertion the effective diameter of the receiving opening 9 enlarge so that the plug part 3 completely axial with the collar 13 in the coupling body 5 can be introduced. In particular, the retaining elements 33 so formed and in the through holes 31 . 32 stored, that they are movable from the holding position in the insertion position radially to the central axis XX.

The holding elements 33 are so axially on the coupling body 5 arranged that with a completely and correctly inserted plug part 3 the holding elements 33 axially in the insertion direction of the plug part 3 in front of the federal government 13 are arranged. In addition, the holding position of the holding elements serves 33 for the positive locking of the completely and correctly inserted plug part 3 in the coupling body 5 , wherein the retaining elements 33 preferably each with a retaining edge 35 the covenant 13 of the fully inserted plug part 3 engage behind axially.

2a shows a side view of the connector 1 and 2 B a cross section EE of the connector according to 2a in the area of the retaining clip.

As in particular in 2 B can be seen, the two holding elements 33 formed in particular mirror-symmetrical to the axis XX and in the coupling body 5 arranged opposite to the central axis XX. Preferably, each retaining element 33 through the first and second through-openings 31 . 32 of the coupling body 5 stuck perpendicular to the central axis XX.

The holding elements 33 include a first leg 41 and a second leg 42 , The two thighs 41 . 42 are preferably V-shaped over a first vertex area 43 one-connected with each other. The two thighs 41 . 42 are arcuate about the central axis XX of the coupling body 5 formed curved. Here is the first leg 41 as a the inner circumference of the holding element 33 forming inner thigh and the second thigh 42 as a the outer circumference of the holding element 33 forming outer leg formed. The curvature of the outer thigh 42 is in particular designed such that the inner circumference of the outer leg 42 the curvature of the outer periphery of the coupling body 5 equivalent. In particular, the inner leg 41 and / or the outer leg 42 elastically deformable, so that the radial distance between the two legs is elastically changeable.

The inner thigh 41 forms in particular on its inner circumference at the plug part 3 facing away from the retaining edge 35 of the holding element 33 , Advantageously, the first inner leg 41 at its the first vertex area 43 opposite end connected to a spring arm on its outer circumference 45 on. The inner thigh 41 and the spring arm 45 are over a second vertex area 46 connected with each other.

The spring arm 45 in particular runs arcuately in a gap between the first inner leg 41 and the second outer leg 42 from the second vertex area 46 of the inner thigh 41 in the direction of the first vertex area 43 , In this case, the outer circumference of the spring arm runs 45 preferably in a concentric circular arc to the inner periphery of the outer leg 42 , The curvature of the spring arm 45 is preferably formed such that its outer periphery of the curvature of the inner circumference of the receiving opening 9 and in particular the curvature of the receiving groove 34 in the receiving opening 9 equivalent. The distance between the inner circumference of the outer leg 42 and the outer periphery of the spring arm 45 preferably corresponds to the wall thickness of the peripheral wall of the receiving opening 9 in the area of the passage openings 31 and in particular in the area of the receiving groove 34 ,

In addition, the outer leg 42 preferably at its the plug part 3 facing away from a recess extending in the axial direction 55 on. In particular, the free end 54 of the outer thigh 42 behind the recess 55 narrower in the axial direction than the portion of the outer leg between the recess 55 and the first vertex area 43 ,

The holding element 33 is through a first passage opening 31 with the inner thigh 41 inserted, wherein the peripheral wall of the receiving opening 9 between the outer leg 42 and the spring arm 45 is clamped.

In particular, the spring arm 45 while in the receiving groove 34 guided and held axially. Advantageously, the retaining element 33 on the outer circumference of the spring arm 45 in the area of the second vertex area 46 a rest stage 47 on.

Here is the Raststufe 47 arranged such that they are in the inserted state of the retaining element 33 in a second passage opening 32 snaps into place, with the inner leg 41 with the end of the second vertex area 46 against a boundary wall 48 the receiving groove 34 supported. The recess 55 is so on the outer leg 42 arranged so that they are connected to the first through hole 31 in the holding position of the holding element 33 flees.

The holding element 33 also shows at the other, free end of the outer thigh 42 an operating lever 49 for manual actuation of the holding elements 33 on. The operating lever 49 is formed so that it at a circumferential actuating force in the direction opposite to the first vertex area 43 the inner thigh 41 moved radially outward and thus the holding element 33 into the insertion position brings.

Advantageously, the inner leg 41 at its the plug part 3 facing edge insertion bevels 50 on. The insertion bevels 50 allow the covenant 13 of the plug part 3 during insertion of the plug part 3 the holding element 33 against the spring force of the spring arm 45 automatically pushes outwards in the direction of the insertion position. This facilitates the operation of the operating lever 49 and / or allows the displacement of the holding elements 33 in the insertion position by exerting force on the plug part 3 during insertion, in particular by an insertion tool of automation technology, when the locking element is in the release position.

In addition, the connector includes 1 a particular in 2e illustrated locking element 36 , which is used to release and lock the radial movement of the holding elements 33 serves. The locking element 36 is preferably perpendicular to the central axis XX of a release position in a locking position movable on the peripheral wall of the coupling body 5 stored. The locking element 36 is preferably in the insertion direction of the plug part 3 axially behind the retaining elements 33 arranged. The locking element 36 includes an actuator 51 for manual displacement of the locking element 36 in the different positions. The actuator 51 runs in particular arcuately with a concentric arc to the peripheral wall of the coupling body 5 ,

That locking element 36 has at least one, preferably two latch arms 53 on. The latch arms 53 are advantageously arranged parallel to each other. The latch arms 53 in particular run from the actuator 51 through the recess 55 in the outer thigh 42 of the holding element 33 and through the passage opening 31 in the receiving opening 9 , In this case, the locking arms 53 a preferably arcuate transverse groove 56 on the plug part 3 facing side, the width of at least the wall thickness of the outer leg 42 of the holding element 33 corresponds and their bending preferably to the curvature of the outer leg 42 of the holding element 33 is adjusted. In the release position, the locking element allows 36 the radial movement of the holding elements 33 from the holding position to the insertion position and vice versa. In the locking position, the locking element blocked 36 the radial movement of the holding elements 33 in the stop position.

In addition, the locking element 36 designed such that it only with a completely and correctly inserted plug part 3 can be moved from the release position to the locked position. For this purpose, the connector according to the invention 1 releasable positive locking means, which is a movement of the locking element 36 can lock from the release position in the locked position. The blocking means of the connector 1 In particular, they include a blocking stage 57 on the locking element 36 and a locking cam 58 in the first passage opening 31 of the coupling body 5 , Here are the lock level 57 and the locking cam 58 designed and arranged such that they engage in such a way that they move the locking element 36 from the release position lock in the locked position. The locking means and their operation are explained in more detail below.

In an advantageous embodiment, the locking element 36 designed such that it additionally has a blocking position, in which it is the radial movement of the holding elements 33 blocked in the holding position without the plug part 3 must be fully inserted. Here is the locking element 36 designed such that it can be moved from the blocking position first in the release position and then in the locking position.

As in particular in 1 and 2c . 2d and 2e seen, the locking element 36 preferably held over one or more latching steps in the release position, the locking position and / or the blocking position. For this purpose, the coupling body 5 in an advantageous embodiment one at the edge of the receiving opening 9 arranged circumferential mounting lug 37 on. At his the plug part 3 facing away from the attachment approach 37 in particular a perpendicular to the central axis XX extending guide groove 38 on. The guide groove 38 is in particular provided with a trapezoidal cross section and serves to receive a on the locking element 36 perpendicular to the central axis XX extending spring 39 with corresponding Cross-section. Advantageously, the guide groove 38 and the spring 39 one or more latching steps forming latching means, with which the locking element 36 can be held positively frictionally radially at least in the release position and in particular in the release position and in the blocking position. The locking means are in particular as one or more locking cams 40a in the guide groove 38 and as one or more detent grooves 40b on the pen 39 or vice versa trained.

In addition, the locking element 36 positive locking means for the attachment of the locking element 36 in the locked position. Preferably, the locking means are at least one at the attachment approach 37 trained catch approach 40c educated. The catch approach 40c runs concentrically with the outer circumference of the locking element 36 in the locked position 36 and serves for latching behind the locking element 36 , especially with the edge 40d of the actuating element 51 , Advantageously, at least one solvent for releasing the positive locking means by means of a tool is provided in the attachment lug. In particular, has the attachment approach 37 in the radially inner region of the locking lug 40c axially extending release holes 65 on, in which a tool for releasing the positive locking connection can be introduced.

In addition, preferably on the locking element 36 at the plug part 3 facing end face at least one guide lug 61 arranged, in particular in a fastening attachment 37 arranged slot 63 is guided. The slot 63 preferably runs parallel to the guide groove 38 , This will cause the movement of the locking element 36 supported by the blocking position in the release position and the release position in the locked position and vice versa.

The following is the operation of the retaining elements 33 and the locking element 36 described in more detail.

In the 3a . 3b . 3c . 3d . 3e and 3f are different views and sections of an advantageous embodiment of the connector 1 with partly and not yet correctly inserted plug part 3 shown, wherein the locking element 36 in the blocking position and the holding element 33 in the stop position.

3b and its magnification Y in 3c show a cross section FF in the region of the locking element 36 , and 3d and their magnification Z in 3e show a longitudinal section GG along the side of a locking arm 53 , 3f shows a longitudinal section AA of the connector 1 along the central axis XX.

The plug part 3 is only so far partially introduced that the covenant 13 still in the insertion before the holding elements 33 and especially their inner thighs 41 lies.

In the illustrated blocking position of the locking element 36 are the retaining elements 33 detected in the stop position and can not be moved to the insertion position. The holding elements 33 lock with the inner thigh 41 an introduction of the covenant 13 of the plug part 3 and thus prevent a correct insertion of the plug part 3 , The holding elements 33 are blocked by the locking arms 53 in the recesses 55 the outer thigh 42 the holding elements 33 are arranged. Thus, a circumferential movement of the outer legs 42 and the radial movement of the holding elements 33 prevented in the insertion position.

In the 4a . 4b . 4c . 4d . 4e and 4f are different views and sections of the connector 1 with partly and not yet correctly inserted plug part 3 shown, wherein the locking element 36 in the release position and the holding element 33 in the stop position.

4b and its magnification Y in 4c show a cross section FF in the region of the locking element 36 , and 4d and their magnification Z in 4e show a longitudinal section GG along the side of a locking arm 53 , 4f shows a longitudinal section AA of the connector 1 along the central axis XX.

In the illustrated release position of the locking element 36 are the retaining elements 33 released and can be moved from its holding position to the insertion position. The holding elements 33 are thereby exempted that the transverse grooves 56 the latch arms 53 are formed and arranged such that they in the release position with the recesses 55 the outer thigh 42 the holding elements 33 are aligned and wide and deep enough so that the free ends 54 the outer thigh 42 the holding elements 33 through the transverse grooves 56 can be pushed.

Here is the locking element 36 locked against further displacement from the release position to the locking position by the locking means. For this purpose, the latch arms 53 preferably at its free end the locking stage 57 on. The lock level 57 limits the movement of the locking element 36 from the release position to the locking position, wherein the locking level 57 on a locking cam 58 in the passage opening 31 comes to a stop. At the same time the transverse groove is aligned 56 the latch arms 53 with the wall of the outer thigh 42 of the holding element 33 and in particular in the region of the recess 55 of the outer thigh 42 , This will cause the movement of the retaining element 33 Approved. The holding element 33 can in the release position by pressing the operating lever 49 and / or by an axial insertion of the plug part 3 and thus the application of an axial force on the insertion bevels 50 the inner thigh 41 through the covenant 13 be moved from the holding position in the direction of the insertion position, so that the plug part 3 can be further introduced. During the movement of the holding element 33 in the direction of the insertion position, the outer leg moves 42 of the holding element 33 , especially the free end 54 of the outer thigh 42 , through the transverse groove 56 a latch arm 53 of the locking element 36 ,

In the 5a . 5b . 5c . 5d . 5e and 5f are different views and sections of the connector 1 with partly and not yet correctly inserted plug part 3 shown, wherein the locking element 36 in the release position and the holding element 33 in the insertion position. 5b and its magnification Y in 5c show a cross section FF in the region of the locking element 36 , and 5d and their magnification Z in 5e show a longitudinal section GG along the side of a locking arm 53 , 5f shows a longitudinal section AA of the connector 1 along the central axis XX.

The plug part 3 is so far partially introduced that in particular the federal government 13 axially in a radially extending plane with the inner legs 41 the holding elements 33 is arranged. The holding elements 33 are in particular due to the axial force of the covenant 13 on the inner thighs 41 the holding elements 33 pressed in the direction of the insertion position. Alternatively, the holding elements 33 by a force on the operating levers 49 manually pressed in the direction of the insertion position. By the movement of the holding elements 33 in the insertion have the free ends 54 the outer thigh 42 the holding elements 33 advantageously in the transverse grooves 56 the latch arms 53 moves, leaving the locking element 36 is determined radially. This will cause a displacement of the locking element 36 prevented from the release position back into the blocking position. Thus, now is the locking element 36 through the retaining elements 33 in combination with the blocking agents, in particular the blocking stage 57 the spring arms and the locking cam 58 of the coupling body 5 , blocked in the release position in both directions.

In the 6a . 6b . 6c . 6d . 6e and 6f are different views and sections of the connector 1 with completely and correctly inserted plug part 3 shown, wherein the locking element 36 in the release position and the holding element 33 in the stop position.

6b and its magnification Y in 6c show a cross section FF in the region of the locking element 36 , and 6d and their magnification Z in 6e show a longitudinal section GG along the side of a locking arm 53 , 6f shows a longitudinal section AA of the connector 1 along the central axis XX.

The Bund 13 of the plug part 3 is axially behind the retaining elements in the insertion direction 33 completely introduced. This causes the inner thighs 41 the holding elements 33 have been released for a radial closing movement in the holding position and by the spring arms 45 on the inner thighs 41 pressed back into the holding position. Here is the federal government 13 against axial withdrawal from the connector 1 from the holding elements 33 blocked. Thus, the plug part 3 completely and correctly in the connector 1 introduced.

The latch arms 53 are in particular designed and dimensioned so that they are in the release position in the receiving opening 9 protrude. Preferably, the locking arms protrude 53 so far into the receiving opening 5 in that the distance between the central axis XX and the end face of the free ends of the locking arm 53 smaller than the outer radius of the covenant 13 of the plug part 3 ,

Advantageously, the free ends of the latch arms 53 at their end surfaces arcuately to the curvature of the covenant 13 customized. In particular, those are the federal government 13 facing edges of the free ends of the latch arms 53 Slanted in the axial direction.

In particular, the locking arms 53 in the area of their free ends and / or in the barrier area 57 formed elastically deformable. This is preferably made possible by the use of an unfilled material in these areas.

The locking arms protrude 53 preferably in the receiving opening 9 into it when they introduce the covenant 13 to axially completely behind the holding elements 33 from the federal government 13 be bent elastically radially outward. The elastic deformation of the latch arms 53 through the covenant 13 is made possible in particular by the fact that the holding elements 33 during the arrival of the covenant 13 on the free ends of the latch arms 53 the locking element 36 block against slipping out of the release position. Thus, a counterforce to the power of the covenant 13 generated.

In the deformation of the latch arms 53 becomes the lock level 57 the latch arms 53 on the respective locking cam 58 past bent. Advantageously, the locking cam 58 a slanted in the radial direction sliding surface 59 on. The sliding surface 59 improves the guidance of the edge of the locking level 57 past the locking cam 58 ,

Due to the bending of the latch arms 53 of the locking element 36 through the covenant 13 of the plug part 3 becomes the locking element 36 unlocked for movement in the direction of the central axis XX of the release position in the locked position.

In the 7a . 7b . 7c . 7d . 7e and 7f are different views and sections of the connector 1 with completely and correctly inserted plug part 3 shown, wherein the locking element 36 in the locking position and the holding element 33 in the stop position.

7b and its magnification Y in 7c show a cross section FF in the region of the locking element 36 , and 7d and their magnification Z in 7e show a longitudinal section GG along the side of a locking arm 53 , 7f shows a longitudinal section AA of the connector 1 along the central axis XX.

The locking element 36 is in the locking position, in particular the transverse groove 56 the latch arms 53 from the area of the recess 55 the outer thigh 42 the holding elements 33 is pushed out. This will cause a movement of the outer thighs 42 from the stop position to the release position by the latch arms 53 blocked. Thus, the retaining elements 33 locked in the stop position. At the same time it is ensured that the federal government 13 completely axially behind the holding elements 33 was introduced.

In particular, the locking element 36 positively locked in the locking position by means of locking means. Preferably, the edge snaps to it 40d of the actuating element 51 behind the catch approach 40c of the coupling body 5 one.

This ensures that the plug part 3 completely and correctly in the connector 1 is introduced while pulling out the plug part 13 with the covenant 13 is impossible and the retaining elements 33 are securely locked against movement from the holding position. The invention is not limited to the illustrated and described embodiments, but also includes all the same in the context of the invention embodiments. It is expressly emphasized that the exemplary embodiments are not limited to all the features in combination, but rather each individual partial feature may also have an inventive meaning independently of all other partial features. Furthermore, the invention has hitherto not been limited to the feature combination defined in claim 1, but may also be defined by any other combination of certain features of all the individual features disclosed overall. This means that in principle virtually every individual feature of claim 1 can be omitted or replaced by at least one individual feature disclosed elsewhere in the application.

LIST OF REFERENCE NUMBERS

1

Connectors

3

plug part

5

clutch body

7

media line

9

receiving opening

11

insertion section

13

Federation

15

sealing section

17

locking section

21

sealing package

23

O-ring

25

spacer ring

27

termination receptacle

29

ring wall

31

first passage opening

32

second passage opening

33

retaining element

34

receiving groove

35

retaining edge

36

locking element

37

mounting boss

38

guide

39

feather

40a

locking cams

40b

locking groove

40c

latching shoulder

40d

edge

41

inner thigh

42

outer thigh

43

first vertex area

45

spring arm

46

second vertex area

47

catching step

48

boundary wall

49

actuating lever

50

bevels

51

actuator

53

locking arm

54

free end outer thigh

55

recess

56

transverse groove

57

blocking stage

58

locking cam

59

sliding surface

61

leadership approach

63

Long hole

65

release openings

X X

central axis

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 2444993 A1 [0002]

Cited non-patent literature

• SAE J 2044 [0027]

Claims (24)

Connector ( 1 ) for hose and / or pipe connections, comprising a coupling body ( 5 ) with a receiving opening ( 9 ) into which a plug part ( 3 ) with a plug shank and a collar having the plug shank ( 13 ) is insertable, and a retaining clip which between a holding position and an insertion position radially movable on the coupling body ( 5 ) and in the receiving opening ( 9 ) is arranged, wherein in the insertion position the plug part ( 3 ) with the federal government ( 13 ) in the receiving opening ( 9 ) is insertable through the retaining clip, and in the holding position, the inserted plug part ( 3 ) behind the covenant ( 13 ) by means of the retaining clip in the receiving opening ( 9 ) is blockable against withdrawal, characterized in that a locking element ( 36 ) on the coupling body ( 5 ) is arranged and configured such that it is movable from a release position into a locking position transversely to the insertion direction of the plug part ( 3 ) in the direction of the central axis (XX) of the connector ( 1 ) is movable, and the locking element ( 36 ) in the release position releases a movement of the retaining clip from the holding position to the insertion position and locked in the locking position, the retaining clip in the holding position against movement into the insertion position. Connector ( 1 ) according to claim 1, characterized in that releasable blocking means ( 57 . 58 ) the locking element ( 36 ) in the release position against the movement in the locked position, and the blocking means ( 57 . 58 ) are designed in such a way that, upon introduction of the Confederation ( 13 ) of the plug part ( 3 ) in the insertion direction until behind the retaining clip the locking means ( 57 . 58 ), and a movement of the locking element ( 36 ) release from the release position into the locking position. Connector ( 1 ) according to claim 1 or 2, characterized in that the locking element ( 36 ) at least one locking arm ( 53 ), and the locking arm ( 53 ) is arranged and configured such that it is in the locking position of the locking element ( 36 ) blocks the retaining clip in the holding position. Connector ( 1 ) according to one of claims 1 to 3, characterized in that the locking element ( 36 ) on the coupling body ( 5 ) is arranged and configured such that it is transverse to the insertion direction of the plug part from an additional blocking position into the release position (FIG. 3 ) in the direction of the central axis (XX) of the connector ( 1 ) is movable, and the locking element ( 36 ) in the blocking position blocks the retaining clip in the holding position against movement into the insertion position. Connector ( 1 ) according to claim 3 or 4, characterized in that the locking arm ( 53 ) is arranged and configured such that it is in the blocking position of the locking element ( 36 ) blocks the retaining clip in the holding position. Connector ( 1 ) according to one of claims 1 to 5, characterized in that the retaining clip consists of two mirror-symmetrical holding elements ( 33 ) is formed. Connector ( 1 ) according to one of claims 1 to 6, characterized in that latching means ( 40a . 40b ) on the coupling body ( 5 ) and the locking element ( 36 ) are provided, which the locking element ( 36 ) in the release position kraftformschlüssig hold. Connector ( 1 ) according to one of claims 1 to 7, characterized in that latching means ( 40c . 40d ) on the coupling body ( 5 ) and the locking element ( 36 ) are provided, which the locking element ( 36 ) hold positively in the locking position. Connector ( 1 ) according to one of claims 1 to 8, characterized in that latching means ( 40a . 40b ) on the coupling body ( 5 ) and the locking element ( 36 ) are provided, which the locking element ( 36 ) in the blocking position frictionally held. Connector ( 1 ) according to one of claims 6 to 9, characterized in that the coupling body ( 5 ) in the region of the receiving opening ( 9 ) per holding element ( 33 ) a first passage opening ( 31 ) and a second passage opening ( 32 ) in its peripheral wall. Connector ( 1 ) according to one of claims 6 to 10, characterized in that the holding elements ( 33 each have a first inner leg ( 41 ) and a second outer leg ( 42 ) over a first vertex area ( 43 ) are connected to each other at one end. Connector ( 1 ) according to claim 11, characterized in that the inner leg ( 41 ) and / or the outer leg ( 42 ) are formed elastically deformable. Connector ( 1 ) according to claim 12, characterized in that the first inner leg ( 41 ) at its first vertex area ( 43 ) opposite end on its outer periphery over a second vertex area ( 46 ) with a spring arm ( 45 ) connected is. Connector ( 1 ) according to claim 13, characterized in that the spring arm ( 45 ) in one Gap between the first inner leg ( 41 ) and the second outer leg ( 42 ) from the second vertex area ( 46 ) of the inner thigh ( 41 ) in the direction of the first vertex area ( 43 ) runs. Connector ( 1 ) according to claim 13 or 14, characterized in that the holding elements ( 33 ) each through the first passage opening ( 31 ) with the inner leg ( 41 ) and through the receiving opening ( 9 ) and in the second passage opening ( 32 ) within the receiving opening ( 9 ) by means of the spring arm ( 45 ). Connector ( 1 ) according to one of claims 13 to 15, characterized in that the peripheral wall of the receiving opening ( 9 ) between the outer leg ( 42 ) and the spring arm ( 45 ) of the retaining elements ( 33 ) is clamped. Connector ( 1 ) according to claim 11 to 16, characterized in that the outer leg ( 42 ) of the retaining element ( 33 ) at its the plug part ( 3 ) facing away from a recess ( 55 ) and the recess ( 55 ) on the outer leg ( 42 ) is arranged with the first passage opening ( 31 ) in the holding position of the retaining clip ( 33 ) flees. Connector ( 1 ) according to one of claims 6 to 17, characterized in that the locking element ( 36 ) a locking arm ( 53 ) per holding element ( 33 ) having. Connector ( 1 ) according to one of claims 1 to 18, characterized in that the locking element ( 36 ) in the insertion direction of the plug part ( 3 ) is arranged axially behind the retaining clip. Connector ( 1 ) according to one of claims 17 to 19, characterized in that the locking arm ( 53 ) through the recess ( 55 ) of the retaining elements ( 33 ) and through the first passage opening ( 31 ) of the coupling body ( 5 ) into the receiving opening ( 9 ) is introduced. Connector ( 1 ), Characterized in any one of claims 6 to 20 that the latch arm ( 53 ) on its plug part ( 3 ) facing side a transverse groove ( 56 ) and the transverse groove ( 56 ) on the latch arm ( 53 ) is arranged, that in the release position of the locking element ( 36 ) a movement of the holding element ( 33 ) releases from the holding position to the insertion position. Connector ( 1 ) according to one of claims 3 to 21, characterized in that the retaining clip in its insertion position, the locking element ( 36 ) locks in the release position against movement into the blocking position. Connector ( 1 ) according to one of claims 3 to 22, characterized in that the blocking means ( 57 . 58 ) a lock level ( 57 ) on at least one locking arm ( 53 ) and a locking cam ( 58 ) on the coupling body ( 5 ). Connector ( 1 ) according to one of claims 3 to 23, characterized in that the locking arms ( 53 ) are formed elastically deformable.

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