CN219242885U - Engine connecting structure - Google Patents

Abstract

The application provides an engine connection structure, including the engine connector and by the connecting pipe that elastic material made, the diameter of connecting pipe is less than the diameter of connector, and the connecting pipe is including inserting the inside interlude section of connector to and the chucking layer of parcel interlude section inner wall and outer wall, chucking layer are provided with sealing, and sealing and the inner wall butt of connector are sealed. The diameter of the connecting pipe is smaller than that of the connector, so that the insertion section of the connecting pipe can be conveniently placed into the connector, the insertion section is prevented from being exposed in the air, and the loss of the connecting pipe exposed in the air is slowed down; the clamping layer can further protect the insertion section of the connecting pipe, so that the friction force between the insertion section and the connector is improved, and the connection tightness between the insertion section and the connector is enhanced; the clamping layer is provided with a sealing part for sealing a gap between the connector and the insertion section, so that the content conveyed by the connecting pipe is placed to a great extent to be leaked.

Description

Engine connecting structure

Technical Field

The application relates to the technical field of engines, in particular to an engine connecting structure.

Background

At present, when the engine is used for conveying contents (such as gas, cooling liquid, lubricating oil and the like), all equipment is often required to be connected by adopting a pipeline structure, so that gas or liquid exchange is completed, and for the pipeline structure, the pipeline structure is mainly connected by adopting a connecting pipe in the prior art, so that the engine is simple in structure, low in cost and strong in bending performance, and can be suitable for various different in-vehicle environments.

For the connecting structure between the connecting pipe and the engine, the connecting pipe is sleeved outside the engine joint and is fixed in a mode of clamping the connecting pipe through the clamp, and the connecting pipe is easy to extrude and deform due to the fact that the connecting pipe is fastened through the clamp although the connecting pipe is simple in structure and convenient to disassemble, and the connecting part can be folded after the using time is too long, so that the sealing performance is influenced; moreover, due to the action of the clamp fastening force, after the service time is too long, the rubber material can generate creep relaxation phenomenon, so that the fastening force is attenuated or even disappears, and the medium in the connecting pipe is leaked. In addition, some prior arts adopt the setting mode of inserting the connecting pipe into the interface department to carry out the locking through retaining member penetration interface and connecting pipe, but because connecting pipe self hardness is lower, the locking of retaining member can lead to the connecting pipe to produce the fracture, and because connecting pipe hardness's reason, can lead to there is the gap in the junction of connecting pipe and interface, causes the influence to the leakproofness.

Accordingly, there is a need for further improvements and enhancements in the art.

Disclosure of Invention

The application provides an engine connection structure to solve among the prior art connection structure between engine and the connecting pipe and easily wear, connect the fastening degree low, the poor problem of leakproofness.

The technical scheme adopted by the application is as follows:

the application provides an engine connection structure, including the engine connector and by the connecting pipe that elastic material made, the diameter of connecting pipe is less than the diameter of connector, and the connecting pipe is including inserting the inside interlude section of connector to and the chucking layer of parcel interlude section inner wall and outer wall, chucking layer are provided with sealing, and sealing and the inner wall butt of connector are sealed.

As a preferred embodiment of the present application, the clamping layer includes an extension section protruding from the head end of the insertion section and extending axially along the connecting pipe, and the extension section cooperates with the head end of the insertion section to form a seal groove, and the seal portion includes a seal groove and a seal ring accommodated in the seal groove.

As a preferred embodiment of the present application, the connection structure further comprises a locking member, the connector is provided with a locking opening, the outer wall of the clamping layer is provided with a locking groove, and the locking member is abutted with the locking groove through the locking opening, so that the connector is locked with the insertion section.

As a preferred embodiment of this application, the locking groove encircles in the periphery of inserting the section, and the at least partial region of locking mouth is located the both sides of inserting the section, and the retaining member includes arc portion and sets up in the locking portion of arc portion both sides, and locking portion fastens in the both sides of inserting the section, and the shape of arc portion and the outer wall looks adaptation of connector.

As a preferred embodiment of the present application, the locking portion includes a locking section and a grip section extending outwardly in a radial direction of the locking member.

As a preferred embodiment of the present application, one end of the locking port is provided with a fixing groove, and the fixing groove is clamped with at least part of the locking member.

As a preferred embodiment of the locking groove, a plurality of stop rib positions are arranged in the locking groove, a clamping position is formed between every two adjacent stop rib positions, and the locking section is arranged in each stop rib position so as to circumferentially position the connecting head and the inserting section.

As a preferred embodiment of the present application, one of the insert section and the clamping layer is provided with a protrusion, and the other of the insert section and the clamping layer is provided with a clamping groove, so that the clamping layer is prevented from moving in the axial direction of the insert section by the cooperation of the protrusion and the clamping groove.

As a preferred embodiment of the present application, the clamping layer comprises an abutment portion which protrudes radially outwards of the insertion section and which is capable of abutting against the connection head.

As a preferred embodiment of the present application, the arcuate portion has a telescoping structure to accommodate connectors of different diameters.

Due to the adoption of the technical scheme, the technical effects obtained by the application are as follows:

1. according to the connecting pipe, the diameter of the connecting pipe is smaller than that of the connector, so that the insertion section of the connecting pipe can be conveniently placed into the connector, the insertion section is prevented from being exposed in the air, and the loss of the connecting pipe exposed in the air is slowed down; the clamping layer arranged on the insertion section can further protect the insertion section of the connecting pipe, so that the corrosion of the content such as gas or liquid in the connecting pipe to the connecting pipe in the transportation process is prevented to a great extent, the reliability of the insertion section is improved, gaps or gaps generated by loss are reduced, the connection tightness between the insertion section and the connector is improved, the leakage of the content is reduced, the friction force between the insertion section and the connector is improved, and the connection tightness between the insertion section and the connector is improved; further, due to the arrangement of the clamping layer, the diameter of the insertion section is slightly increased, the connection tightness between the insertion section and the connector can be improved, the clamping layer is wrapped on the insertion section, the hardness of the insertion section can be improved, the insertion section is prevented from being softened and bent in the connector, and a large gap can be prevented from being generated between the insertion section and the connector; in addition, the clamping layer department is provided with sealing portion to this is sealed the gap between connector and the insert section, further improves the sealing performance between connector and the insert section, and to a great extent prevents that the content that the connecting pipe carried from taking place to leak.

2. As a preferred embodiment of this application, this application sets up and forms the seal groove between the head end of extension section and interlude section, and the chucking layer includes the extension section of protrusion interlude section head end for seal groove and chucking layer an organic whole set up, because the chucking layer sets up in the interlude section, can change sealing portion simultaneously after the connecting tube uses for a long time, can be convenient for dismouting and change sealing portion, and need not to adjust structure and the material of connecting tube itself, the setting of sealing washer also can seal the gap between chucking layer and the connector, improve connection structure's sealed effect.

3. As a preferred embodiment of the present application, the present application fixes the connecting pipe and the connecting head by providing the locking opening and the locking groove and by the cooperation of the locking opening and the locking groove with the locking member, so as to prevent the connecting pipe and the connecting head from falling off to a great extent; moreover, this application sets up the retaining member and includes arc portion and sets up in the locking portion of arc portion both sides, and the setting of arc portion can be convenient for get the retaining member on the one hand and put, is convenient for grasp, and on the other hand, the arc structure of arc portion can with the outer wall looks adaptation of connector, can make the assembly between arc portion and the connector compacter, reduces the shared working space of connection structure to improve fixed effect.

4. As a preferred embodiment of this application, this application sets up locking portion and includes locking section and gripping the section, fills locking mouth and locking groove through the setting of locking section, plays and fixes the effect of locking between connector and the insert section, grips the section and outwards extends along the radial of retaining member, can be convenient for the staff and exert a force when taking off the retaining member, is convenient for get the retaining member and puts, improves user's use experience and installs and removes the convenience.

5. As a preferred embodiment of this application, this application sets up the chucking layer and still includes the butt portion, through setting up the radial outside protrusion of butt portion along inserting the section to carry out the butt with the connector, be convenient for insert the assembly between section and the chucking layer, and, the effect of warning in place can be played to the butt portion, can remind the user locking mouth and lock groove to align when the butt portion is in the connector butt, is convenient for assemble the retaining member.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the present application and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is a connection structure diagram of a connector and an insertion section in an embodiment provided in the present application;

FIG. 2 is a cross-sectional view of a connecting head and insert section connection structure according to one embodiment of the present disclosure;

fig. 3 is an exploded view of a connector and insert section connection structure in one embodiment provided herein.

Reference numerals:

1, connecting pipes; 11 insert sections; 12 clamping layers; 121 clamping grooves; 122 abutment; 2, a connector; 3, a sealing part; 31 sealing the groove; 32 sealing rings; 4, locking piece; 41 arc-shaped portions; 42 locking parts; 421 locking section; 422 gripping section; 423 stop rib positions; 5, locking the opening; 6 locking grooves.

Detailed Description

In order to more clearly illustrate the general concepts of the present application, a detailed description is provided below by way of example in connection with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "bottom," "inner," "outer," etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present application and to simplify the description, rather than to indicate or imply that the apparatus or element in question must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present application.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 3, the application provides an engine connection structure, including engine connector 2 and connecting pipe 1 made of elastic material, the diameter of connecting pipe 1 is less than the diameter of connector 2, connecting pipe 1 is including inserting inside interject section 11 of connector 2, and parcel interject section 11 inner wall and outer wall's chucking layer 12, chucking layer 12 is provided with sealing, sealing with the inner wall butt seal of connector.

It should be understood that the diameter of the connecting tube 1 is smaller than that of the connecting head 2 means that, in order to facilitate the insertion of the connecting tube 1 into the connecting head 2 to avoid exposing the insertion section 11 to air, the loss of the connecting tube 1 exposed to air is reduced, that is, the diameter difference between the diameter of the insertion section 11 and the connecting head 2 is not too large, but the gap between the connecting head 2 and the insertion section 11 is reduced while the insertion is ensured as much as possible.

Further, the clamping layer 12 may be a metal binding, so that the strength of the connecting pipe 1 is improved by a certain hardness of the metal binding, the friction between the connecting pipe and the connecting head 2 is increased, the connection tightness between the connecting pipe and the connecting head 2 is improved, the diameter of the connecting pipe 1 is slightly increased by the aid of the clamping layer 12, the surface of the clamping layer 12 is made of a smooth material, and the gap between the inserting section 11 and the inner wall of the connecting head 2 can be reduced and the sealing performance is improved on the premise that the connecting pipe 1 is not prevented from being inserted into the connecting head 2.

It will be appreciated that the metal structure of the clamping layer 12 can improve the hardness of the insert 11, so as to prevent the insert 11 from softening or bending inside the connector for a long time or due to erosion of the content, and prevent a large gap between the insert 11 and the connector 2, so as to improve the connection tightness between the insert 11 and the connector 2.

In addition, the clamping layer 12 is provided with the sealing part 3, so that a gap between the connector 2 and the insertion section 11 can be sealed, and the leakage of the content conveyed by the connecting pipe 1 is prevented to a large extent.

In addition, the arrangement of the sealing portion 3 is not specifically limited, as a specific embodiment of the present application, as shown in fig. 2, the sealing portion may be integrally formed with the clamping layer 12, that is, the clamping layer 12 includes an extension section protruding from the head end of the insertion section 11 and extending along the axial direction of the connection pipe 1, the extension section cooperates with the head end of the insertion section to form a sealing groove 31, and the sealing portion includes the sealing groove 31 and a sealing ring 32 accommodated in the sealing groove 31.

The shape of the seal ring 32 is the same as the seal groove 31, i.e. the cross-sectional shape of the connection pipe 1, and is generally circular, and the number of seal rings 32 depends on the number of seal grooves 31 and the width of the seal ring 32 itself, so as to improve the sealing performance between the connection head 2 and the insertion section 11 through the cooperation of the seal ring 32 and the seal groove 31.

As shown in fig. 3, the sealing groove 31 is an annular groove surrounding the insertion section, and the sealing ring 32 is an annular elastic rubber ring, so as to seal between the connecting pipe 1 and the connector 2.

It will be appreciated that the seal groove 31 and the clamping layer 12 are integrally formed, so that the seal portion 3 can be replaced at the same time after the connecting pipe 1 is used for a long time, and the seal portion 3 is convenient to disassemble, assemble and replace.

Further, one of the insertion section 11 and the chucking layer 12 is provided with a protrusion, and the other of the two is provided with a chucking groove 121 to prevent the chucking layer 12 from moving in the axial direction of the insertion section 11 by the engagement of the protrusion with the chucking groove 121.

Further, the clamping layer 12 and the insertion section 11 may be fastened by means of adhesion, hot melt, or the like.

As another specific embodiment of the present application, the sealing portion 3 may be further configured to be provided with a groove formed on the surface of the insertion section 11, and a sealing ring 32 accommodated in the groove, so that the sealing ring 32 is placed by modifying the structure of the connecting pipe 1 itself, so that the sealing portion 3 can be disposed when the connecting pipe 1 is processed, the assembly efficiency of the connecting structure can be improved, and the cost of production and processing and assembly can be reduced.

As a preferred embodiment of the present application, as shown in fig. 3, the connection structure further includes a locking member 4, the connector 2 is provided with a locking opening 5, the outer wall of the clamping layer 12 is provided with a locking groove 6, and the locking member 4 is abutted with the locking groove 6 through the locking opening 5, so that the connector 2 is locked with the insertion section 11.

The specific shapes of the locking opening 5 and the locking groove 6 are not limited, and the locking opening 5 and the locking groove 6 can be various shapes such as a circle and a square, wherein, in order to describe the subsequent structure conveniently, the locking groove 6 surrounds the periphery of the insertion section 11, at least partial areas of the locking opening 5 are located at two sides of the insertion section 11, that is, as shown in fig. 3, the locking opening 5 and the locking groove 6 are used as strip-shaped holes for describing, it is understood that the locking opening 5 is arranged on the outer wall of the connector 2 and can be two strip-shaped through holes symmetrically arranged, the arrangement positions of the locking groove 6 are corresponding to the locking opening 5, and the locking groove 6 can be strip-shaped semi-through holes due to the fact that the locking groove 6 is arranged at the insertion section 11, so that the connector 2 and the insertion section 11 can be axially positioned by matching of the locking piece 4 with the locking opening 5 and the locking groove 6.

Further, for the structure of the locking member 4, it may correspond to the structures of the locking opening 5 and the locking groove 6, and when the locking opening 5 and the locking groove 6 are circular, the locking member 4 may be locked by using a locking structure adapted to the locking opening 5 and the locking groove 6. Because the locking opening 5 and the locking groove 6 are in a strip-shaped structure, as shown in fig. 1 to 3, the locking piece 4 of the present application may comprise an arc-shaped portion 41 and locking portions 42 disposed at two sides of the arc-shaped portion 41, the locking portions 42 are fastened at two sides of the insertion section 11, and the shape of the arc-shaped portion 41 is adapted to the outer wall of the connector 2

It should be noted that, at least part of the arc portion 41 in the present application may be abutted against the connector 2, and the arc portion 41 may have a certain elasticity, so as to improve the connection fastening degree between the connector 2 and the insertion section 11. That is, the arrangement of the arc portion 41 can facilitate taking and placing the locking member 4 on one hand, and facilitate grasping on the other hand, the arc structure of the arc portion 41 can adapt to the side wall of the connector 2, thereby improving the fixing effect and making the connection structure more compact.

Further, as shown in fig. 1 and 3, the locking portion 42 may include a locking section 421 and a holding section 422 disposed in the locking port 5 and the locking groove 6, the holding section extending outward in the radial direction of the locking member 4. It should be noted that the locking section 421 is not a completely horizontal structure, but is a structure that fits against the inner walls of the locking port 5 and the locking groove 6.

Further, this application fills locking mouth 5 and locking groove 6 through the setting of locking section 421, plays and fixes the effect of locking between connector 2 and the insert section 11, and the setting of gripping section 422 can be convenient for the staff to carry out the application of force when taking down retaining member 4, is convenient for get retaining member 4 and puts, improves user's use experience and installs and removes the convenience.

For the structure of the holding section 422, it may be a columnar structure, and the surface may be provided with a non-slip protrusion, so that a user can hold the holding section conveniently, and the setting position may be set at the position where the locking section 421 abuts against the locking port 5 as shown in fig. 1, so as to increase the moment, and facilitate the application of force by the user.

In addition, as shown in fig. 2, the height of the holding section 422 is smaller than the thickness of the inner wall of the locking opening 5, so that the holding section 422 is completely placed in the locking opening 5, the holding section 422 is prevented from colliding with other external structures to a great extent, and the locking piece 4 is prevented from loosening due to false contact.

As a preferred embodiment of the present application, one end of the locking port 5 is provided with a fixing groove, and the fixing groove is clamped with at least part of the locking member 4, so as to further fix the locking member 4, and prevent the locking member 4 from falling off to a great extent in the use process.

Optionally, at least one of the locking opening 5 and the inner wall of the locking groove 6 may be provided with a protruding rib, where the protruding rib abuts against the outer wall of the locking section 421, so as to improve the friction force between the locking opening 5, the locking groove 6 and the locking section 421 through the arrangement of the protruding rib, and further improve the connection tightness between the insertion section 11 and the connector 2.

Further, can be provided with a plurality of backstop muscle positions in locking mouth 5 and the locking groove 6, form the joint position between the adjacent backstop muscle position, lock section 421 is arranged in the joint position to connector 2 with insert section 11 and carry out circumferential location, that is to say, this application is through setting up of backstop muscle position, when making take place between insert section 11 and the connector 2 rotatory, the backstop muscle can play the effect of keeping out to lock section 421, can prevent to a great extent that connector 2 and insert section 11 from taking place rotatory condition after the assembly and taking place.

As a preferred embodiment of the present application, the clamping layer 12 may further include an abutment 122, the abutment 122 protruding outward in the radial direction of the insertion section 11, and the abutment 122 being capable of abutting against the connection head 2.

As shown in fig. 2, for the setting of the abutting portion 122, at the position of abutting against the connector 2, the locking opening 5 and the locking groove 6 are located at opposite positions, so that the assembly between the insertion section 11 and the clamping layer 12 is facilitated by the setting of the abutting portion 122, the abutting portion 122 can play a role in reminding in place, and when the abutting portion 122 abuts against the connector 2, a user can be reminded of aligning the locking opening 5 and the locking groove 6, so that the assembly of the locking member 4 is facilitated.

As an alternative embodiment of the present application, the arc portion 41 has a telescopic structure to adapt to the connectors 2 with different diameters, so as to improve the application range of the locking member 4 and facilitate the disassembly and assembly of the locking member 4.

The non-mentioned places in the application can be realized by adopting or referring to the prior art.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims (10)

1. The utility model provides an engine connection structure, includes the engine connector and the connecting pipe of being made by elastic material, its characterized in that, the diameter of connecting pipe is less than the diameter of connector, the connecting pipe is including inserting inside interlude section of connector, and parcel interlude section inner wall and the chucking layer of outer wall, the chucking layer is provided with sealing, sealing with the inner wall butt seal of connector.

2. The engine connecting structure according to claim 1, wherein the clamping layer comprises an extension section protruding from a head end of the insertion section and extending in an axial direction of the connecting pipe, the extension section and the head end of the insertion section cooperate to form a seal groove, and the seal portion comprises the seal groove and a seal ring accommodated in the seal groove.

3. An engine connecting structure as set forth in claim 1 wherein said connecting structure further comprises a locking member, said connector is provided with a locking opening, the outer wall of said clamping layer is provided with a locking groove, said locking member is abutted with said locking groove through said locking opening to lock said connector with said insertion section.

4. An engine connecting structure as set forth in claim 3 wherein said locking groove surrounds the outer periphery of said insertion section, at least a portion of said locking opening is located on both sides of said insertion section, said locking member includes an arcuate portion and locking portions provided on both sides of said arcuate portion, said locking portions are fastened on both sides of said insertion section, and said arcuate portion is shaped to fit the outer wall of said connector.

5. An engine attachment structure as defined in claim 4, wherein said locking portion includes a locking section and a gripping section, said gripping section extending radially outwardly of said locking member.

6. An engine connecting structure as set forth in claim 5 wherein one end of said locking port is provided with a fixing groove, said fixing groove being engaged with at least part of said locking member.

7. The engine connecting structure according to claim 5, wherein a plurality of stop rib positions are provided in the locking groove, a clamping position is formed between adjacent stop rib positions, and the locking section is arranged in the stop rib positions to circumferentially position the connecting head and the insertion section.

8. An engine attachment structure according to claim 1, wherein one of said insert section and said clamping layer is provided with a projection, and the other of them is provided with a catching groove for preventing said clamping layer from moving in an axial direction of said insert section by engagement of said projection with said catching groove.

9. An engine attachment structure according to claim 8, wherein the chucking layer includes an abutment portion which projects outward in a radial direction of the insertion section, and which is capable of abutting with the joint head.

10. An engine attachment structure as defined in claim 4, wherein said arcuate portion has a telescoping configuration to accommodate connectors of different diameters.

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