CN201041854Y - Electric connector - Google Patents

Abstract

The utility model discloses an electrical connector, which comprises a fist connector and a second connector. The first connector and the second connector are respectively provided with a first body and a second body. Two ends of the first body and the second first are respectively provided with a first fixing component and a second fixing component butted with the fist fixing component. The first fixing component comprises a base, a fixing part stretching up vertically from the base, an elastic contact arm stretching out from one end of the base into the first body and the welding part of the first body stretching out form the other end of the base. The elastic contact arm is provided with at least one contact salient point. The second fixing component is in M shape, and two ends of the second fixing component are provided with two contact arms which are provided with protuberances buckled with the contact salient points on the first contact arm, which increases the butting force during the butting of the first and second fixing components.

Description

Electric connector

[technical field]

The utility model discloses a kind of electric connector, relates in particular to a kind of electric connector with firm opposite joining relation.

[background technology]

At present, people extensively adopt a kind of Board-to-Board Electrical Connector to connect two circuit boards, to realize the signal transmission, in order to realize firm connection the between electric connector and the circuit board, usually set up a pair of fixture at the two ends of electric connector, this fixture has a weld part, and it is welded on the circuit board to realize the fixing of electric connector and circuit board.The novel patent announcement of TaiWan, China has disclosed a kind of Board-to-Board Electrical Connector No. 511806, it comprises a plug and a socket, the body two ends of plug and socket are equipped with a pair of in order to be welded in the fixture on the circuit board, each fixture also is provided with the docking section, one clamping part is set on this docking section, when plug docks with socket, being positioned at fixture on the plug realizes buckle by clamping part set on the docking section each other respectively with the fixture on being positioned at socket and docks, with this strengthen in the docking operation to relay, make that plug and the socket after the butt joint can not break away from easily.Yet, because fixture lays respectively on the outer wall at plug and jack body two ends, when the mutual buckle of the clamping part of fixture docks, the docking section of fixture can produce along the elastic deformation of body longitudinally, and the butt joint precision is not high, if undue force in the docking operation also causes the bending failure of fixture docking section to the body longitudinally easily.

Therefore, be necessary to design a kind of new electric connector, to address the above problem.

[utility model content]

The purpose of this utility model provides a kind of electric connector, and it has bigger to relay, can guarantee solid and reliable butt joint.

For achieving the above object, the utility model adopts following technical scheme: a kind of electric connector, it comprises first connector and second connector that docks with first connector, first connector comprises first body, some first fixtures that are contained in the first intrinsic the first terminal and are positioned at the first body two ends, described first body has a two opposite side walls and a resettlement section, offer the some the first terminal conduit and first accepting grooves of accommodating the first terminal on each sidewall, described first fixture is contained in first accepting groove, second connector comprises second body, some second terminals that are contained in second body and dock and be positioned at second fixture that dock with first fixture at the second body two ends with the first terminal, described first fixture is provided with base portion, the fixed part that is extended upward by base portion reaches the elastic contact arm that is extended into the first body resettlement section by base portion one end, elastic contact arm is provided with at least one contact salient point, second fixture is provided with the clamping part corresponding with contact salient point, and the contact salient point on itself and first fixture is detained mutually to hold and achieved a butt joint.

The utility model electric connector is provided with first, second fixture that can cooperatively interact by two side and two ends at first, second connector body respectively, the first terminal of first fixture and first connector is located on the sidewall of body and is row and is provided with, described first fixture and second fixture are respectively equipped with the contact salient point of mutual buckle and projection to strengthen relay and operating handle, guarantee that simultaneously first, second fixture firmly docks.

[description of drawings]

Fig. 1 is the overview after the assembly of the utility model electric connector.

Fig. 2 is the part three-dimensional exploded view of first connector of the utility model electric connector.

Fig. 3 is the part three-dimensional exploded view of second connector of the utility model electric connector.

Fig. 4 is the utility model electric connector shown in Figure 1 profile along the A-A line.

Fig. 5 is the utility model electric connector shown in Figure 1 profile along the B-B line.

[embodiment]

See also shown in Figure 1ly, the utility model provides a kind of electric connector, and it comprises one first connector 10 and one second connector 20, its assembly butt joint and being individually fixed on the circuit board each other.

See also Fig. 2 and shown in Figure 5, first connector 10 comprises first body 11, some the first terminal 12 and a pair of first fixtures 13 that is positioned at first body, 11 two ends that is contained in first body 11.Described first body 11 is a longitudinal insulating body, it is provided with an annular perisporium, this perisporium is made up of with a pair of transverse end wall 112 a pair of longitudinal side wall 111, wherein all offer the accommodation hole 114 on the upper and lower surface of some perforation sidewalls on each longitudinal side wall 111, and each longitudinal side wall 111 is offering some first accepting grooves 117 near place, the first body two ends.The central authorities of described annular perisporium are provided with one from the convex docking section of stretching 113, first body, 11 bottoms, offer some the first terminal conduits 116 on its two side, in order to accommodate the first terminal 12, this docking section 113 forms a resettlement section 115 with annular perisporium, and this resettlement section 115 communicates with the first terminal conduit 116.The first terminal 12 is contained in described first body 11, the linking arm 121 that it comprises main part 120, extended in the resettlement section 115 of first body 11 by main part 120, by linking arm 121 terminal upwardly extending docking arms 122, by main part 120 upwardly extending interference parts 123 and extended the weld part 124 of first body 11 by main part 120.Main part 120 and linking arm 121 are and are horizontally disposed with, it all is located at the bottom of first body 11, described linking arm 121 is in order to connect main part 120 and docking arm 122, docking arm 122 extends upward and is contained in the described the first terminal conduit 116 by the end of linking arm 121, and its free tail end protrudes in the resettlement section 115 of first body 11 in order to contact with second terminal 22 of second connector 20.Interference part 123 is contained on first body, 11 longitudinal side walls 111 in the accommodation hole 114, to realize fixing of the first terminal 12 and first body 11.Weld part 124 extends first body 11 and in order to weld with circuit board.Please cooperate consult shown in Figure 4, described first fixture 13 is contained in first accepting groove of offering on longitudinal side wall 111 two ends 117, it comprises base portion 130, extend the weld part 131 of first body 11 by base portion 130, the fixed part 132 that is extended upwardly in the accommodation hole 114 by base portion 130 reaches the elastic contact arm 133 that is protruded out by base portion 130 in first body, 11 resettlement sections 115, described base portion 130 is located at the below of longitudinal side wall 111, the weld part 124 of weld part 131 and the first terminal 12 is row and arranges and be arranged in parallel, the both sides of fixed part 132 are provided with bur 135 in order to interfere fixing with the inwall of accommodation hole 114, elastic contact arm 133 has an elasticated end, which is provided with a contact salient point 134, form first holding part, this contact salient point 134 protrudes in the resettlement section 115 of first body 11.Described first fixture 13 has roughly similar structure to the first terminal 12, see also shown in Figure 2, both differences only are that the elastic contact arm 133 of first fixture 13 is contained on the longitudinal side wall 111, and the docking arm 122 of the first terminal 12 then extends in the resettlement section 115 and is contained in the first terminal conduit 116 of 113 both sides, docking section.

See also Fig. 3 and shown in Figure 5, second connector 20 comprises one second body 21, some second terminal 22 and a pair of second fixtures 23 that is positioned at second body, 21 two ends that is contained in second body 21.Described second body 21 is a longitudinal insulating body, the receiving space 212 that it has two opposite side walls 211, two opposite end walls 210 and is surrounded by sidewall and end wall.Described sidewall 211 inner surfaces offer the second terminal conduit of arranging along the insulating body longitudinally 213, offer some corresponding to the second terminal conduit 213 and connect the through hole 214 on the inside and outside surface of sidewall on the sidewall 211, offer somely in order to accommodate second accepting groove 215 of second fixture 23 on the end wall 210 at second body, 21 two ends, it comprises a vertical slots 217 that is positioned at the level trough 216 of end wall 210 upsides and is positioned at end wall 210 both sides.Second terminal 22 is L-shaped, and it comprises a horizontal part 221 and a vertical portion 222, and horizontal part 221 extends second body 21 by sidewall 211 bottoms and forms a welding foot, in order to weld with circuit board.Vertical portion 222 has the width wideer than horizontal part 221, and it is contained in the second terminal conduit 213 of sidewall 211 inner surfaces, in order to contact with the docking arm 122 of the first terminal 12.Please cooperate consult shown in Figure 4, second fixture 23 roughly is " M " shape, it comprises a horizontal shoulder 230, one fixed part 231 that is vertically extended by horizontal shoulder 230 middle parts reaches the contact arm 232 that is vertically extended by horizontal shoulder 230 two ends, described horizontal shoulder 230 levels are contained in the level trough 216 on the end wall 210, fixed part 231 embeds in the end wall 210 and utilizes protuberance 233 realizations of its both sides and the fixing of second body 21, two 232 vertical of contact arms are contained in the vertical slots 217, described contact arm 232 is provided with the projection 234 of projection outside vertical slots 217, form second holding part, in order to first fixture 13 on contact salient point 134 buckles, the terminal horizontal of each contact arm 232 is extended the weld part of arranging and be arrangeding in parallel with welding foot one row of second terminal 22, in order to weld with circuit board.

When first connector 10 and 20 assembly of second connector, the docking section 113 of described first connector 10 is contained in the receiving space 212 of second connector 20, the two opposite side walls 211 of second connector 20 and two opposite end walls 210 are contained in the resettlement section 115 of first connector 10, described the first terminal 12 electrically contacts mutually with second terminal 22, the contact arm 133 that first fixture 13 and second fixture 23 pass through separately, 232 butt joints mutually, set contact salient point 134 and projection 234 mutual buckles on it, strengthened in the docking operation to relay and operation the time feel, make and win, second fixture has fixing circuit board simultaneously and increases relay, the firm effect that connects.

Claims (10)

1. electric connector, it comprises first connector and second connector that docks with first connector, first connector comprises first body, some first fixtures that are contained in the first intrinsic the first terminal and are positioned at the first body two ends, described first body has a two opposite side walls and a resettlement section, offer the some the first terminal conduit and first accepting grooves of accommodating the first terminal on each sidewall, described first fixture is contained in first accepting groove, second connector comprises second body, some second terminals that are contained in second body and dock and be positioned at second fixture that dock with first fixture at the second body two ends with the first terminal, it is characterized in that: described first fixture is provided with base portion, the fixed part that is extended upward by base portion reaches the elastic contact arm that is extended into the first body resettlement section by base portion one end, elastic contact arm is provided with at least one contact salient point, second fixture is provided with the clamping part corresponding with contact salient point, and the contact salient point on itself and first fixture is detained mutually to hold and achieved a butt joint.

2. electric connector as claimed in claim 1, it is characterized in that: described second fixture roughly is " M " shape, fixed part and contact arm that it has a horizontal shoulder and is vertically extended by horizontal shoulder middle part, both ends respectively, fixed part embeds and realizes fixing in second body, contact arm is provided with at least one projection, and it forms described clamping part.

3. electric connector as claimed in claim 1, it is characterized in that: the two opposite side walls of described first body is longitudinal extension, the second body two ends are provided with two opposite end walls, described first fixture is fixed on the two opposite side walls of first body, and second fixture is fixed on the two opposite end walls of second body.

4. electric connector as claimed in claim 1 is characterized in that: offer some accommodation holes that run through the sidewall upper surface on the sidewall of described first body, the first terminal is provided with an interference part that is contained in the described accommodation hole at least.

5. electric connector as claimed in claim 4 is characterized in that: described first fixture and the first terminal all are located on the sidewall of first body and are row and arrange, and the fixed part of first fixture is contained in the described accommodation hole.

6. electric connector as claimed in claim 5, it is characterized in that: described first body is provided with the docking section that from bottom to top protrudes in the resettlement section, described the first terminal is provided with and is contained in this docking section and extends into docking arm in the described resettlement section, and the elastic contact arm of first fixture is contained in sidewall and extends in the described resettlement section.

7. electric connector as claimed in claim 2, it is characterized in that: described second body has two opposite side walls and two opposite end walls, offer some second terminal conduits of accommodating second terminal on each sidewall, each end wall is provided with at least one second accepting groove, and described second fixture is contained in this second accepting groove.

8. electric connector as claimed in claim 7, it is characterized in that: described second accepting groove comprises that one is positioned at level trough and two vertical slots that are positioned at the end wall both sides of end wall upside, and the horizontal shoulder and the contact arm of second fixture are contained in respectively in level trough and the vertical slots.

9. electric connector as claimed in claim 8 is characterized in that: offer some through holes corresponding to the second terminal conduit on the described second body two opposite side walls, this through hole connects the inside and outside surface of its place sidewall.

10. electric connector as claimed in claim 9, it is characterized in that: described the first terminal is provided with a weld part at least, first fixture extend horizontally away a weld part by base portion one end, and the weld part of the weld part of described the first terminal and first fixture is row and arranges and be arranged in parallel.

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