CN220692429U - Pull belt connector - Google Patents

Abstract

The utility model relates to a drawstring connector, which comprises a plug assembly and a socket assembly, wherein the plug assembly comprises a plug body, an elastic fastener and a drawstring, the plug body is provided with a plurality of jacks arranged at intervals and containing cavities positioned at two sides of the jacks, the elastic fastener is clamped on the side wall of the containing cavity, and the drawstring is connected with the elastic fastener; the socket assembly comprises a socket body, buckling pieces and terminals, wherein the socket body is provided with a containing cavity, the buckling pieces are clamped at two sides of the containing cavity, and the terminals are positioned in the containing cavity at intervals; the elastic fastener is inserted into the accommodating cavity along with the plug assembly, so that the terminal is inserted into the jack and the tail end of the elastic fastener is clamped to the buckling piece, when the plug body is pulled out of the accommodating cavity, acting force is applied to the pull belt by deviating from the inserting direction, and the tail end of the elastic fastener is elastically deformed to be separated from the buckling piece, so that the plug body is separated from the socket body.

Description

Pull belt connector

Technical Field

The utility model relates to the technical field of new energy automobiles, in particular to a drawstring connector.

Background

Along with the development of new energy automobile, put forward higher requirement to the connector, especially, when new energy automobile is in periodic maintenance and maintenance, when the electronic component in the car need be changed, need separate the connector, but because connector structure is small, unblock through the mode of pressing is inconvenient, and it is very inconvenient when leading to separating the connector, especially, the change period of the electronic component in the car is long, and the unblock mode of pressing still has ageing failure's problem.

In the prior art, a pull-strap connector with an authorized bulletin number of CN111129867B is disclosed, which comprises an insulating fastener body, a conductive end and a pull-strap unlocking device arranged on the insulating fastener body, wherein the insulating fastener body is provided with a tongue plate, the conductive terminal is provided with a contact part positioned on the tongue plate, and the pull-strap unlocking device comprises a locking piece for locking with a butt-joint connector and a pull strap connected with the locking piece; the drawstring connector further comprises a guide rail piece which is arranged separately from the locking piece and is arranged on the insulating fastener body, and a part of the drawstring is positioned between the guide rail piece and the insulating fastener body. However, the pull-strap connector with such a structure is complex in structure and is easy to fail in environments such as dust deposition, extremely cold and extremely hot when applied to a new energy automobile, so that a new pull-strap connector with a compact and simple structure is required to be designed to solve the problem of convenience in replacing electronic components in the new energy automobile.

Disclosure of Invention

The utility model aims to provide a drawstring connector, which aims to solve the problem of convenience in replacing electronic components in a new energy automobile.

In order to solve the technical problems, the pull-strap connector comprises a plug assembly and a socket assembly, wherein the plug assembly comprises a plug body, an elastic fastener and a pull strap, the plug body is provided with a plurality of jacks arranged at intervals and accommodating cavities positioned at two sides of the jacks, the elastic fastener is clamped on the side wall of the accommodating cavity, and the pull strap is connected with the elastic fastener; the socket assembly comprises a socket body, a buckling piece and terminals, wherein the socket body is provided with a containing cavity, the buckling piece is clamped at two sides of the containing cavity, and a plurality of terminals are positioned in the containing cavity at intervals; the elastic fastener is inserted into the accommodating cavity along with the plug assembly, so that the terminal is inserted into the jack and the tail end of the elastic fastener is clamped to the buckling piece, when the plug body is pulled out of the accommodating cavity, acting force is applied to the pull belt by deviating from the inserting direction, and the tail end of the elastic fastener is elastically deformed to be separated from the buckling piece, so that the plug body is separated from the socket body.

Further, the elastic fastener comprises a fastener body, an extension arm, an elastic arm and a protruding part, wherein the fastener body is provided with an opening for connecting the pull belt, the extension arm is connected to one side of the fastener body, the elastic arm is connected to the tail end of the extension arm in a bending manner, the protruding part is positioned at the joint of the elastic arm and the extension arm, the fastener is provided with a notch matched with the protruding part, and when the plug assembly is inserted into the accommodating cavity, the protruding part is buckled with the notch; when the plug assembly is pulled out of the accommodating cavity, the pull belt acts on the elastic fastener, and the elastic arm deforms towards the direction of the extension arm, so that the protruding portion is separated from the notch.

Further, the extension arm and the elastic arm are formed with a junction, and gradually shrink from a far junction to a near junction.

Further, the elastic fastener further comprises a first positioning portion, the elastic arm comprises a first end portion and a second end portion, the first end portion is connected to the extension arm, the second end portion is far away from the first end portion and is arranged on the elastic arm, the first positioning portion is located at the second end portion, the first positioning portion is clamped to the plug body, and when the pull belt acts on the elastic fastener, the first positioning portion limits displacement of the second end portion.

Further, the elastic fastener further comprises a second positioning portion, the second end portion comprises a first side face and an adjacent second side face, the first positioning portion is located on the first side face, the second positioning portion is located on the second side face, the plug body is further provided with a clamping groove communicated with the accommodating cavity, the second end portion is inserted into the clamping groove, and the second positioning portion is abutted to the clamping groove.

Further, the buckling piece comprises a buckling body and an abutting part connected with the buckling body, the socket body is provided with a side groove communicated with the accommodating cavity, and the abutting part is inserted into the side groove to abut against the tail end of the elastic buckle.

Further, the notch of the abutment is located at one side of the abutment.

Further, the fastener further comprises a limiting part, the limiting part is away from the abutting part and connected with the fastener body, the socket body is convexly provided with a side blocking part, and the limiting part abuts against the side blocking part.

Further, a step surface is formed at the tail end of the socket body, a plurality of slots are formed in the step surface at intervals, the slots are communicated with the accommodating cavity, the terminals are obliquely and convexly provided with thorn parts, the terminals are inserted into the accommodating cavity from the slots, and the thorn parts are reversely buckled on the inner wall surfaces of the slots.

Further, the slot is formed with a guide surface for guiding insertion of the terminal.

The implementation of the embodiment of the utility model has the following beneficial effects:

the draw-bar connector in this embodiment is because the buckling piece joint is in holding the chamber for the buckling piece is connected with the socket body, and the elasticity fastener joint is on the lateral wall of holding the chamber, makes elasticity fastener and plug body coupling, thereby when the pulling draw-bar, the terminal of elasticity fastener produces elastic deformation, and at this moment, the terminal of elasticity fastener loosens in the buckling piece, and then conveniently realizes the separation of plug body and socket body through the draw-bar, overcomes the problem that the draw-bar connector is low in the reliability of application in new energy automobile among the prior art.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a pull-strap connector according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a drawstring connector according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of an elastic fastener according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a plug body according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a first view angle of a socket body according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a second view angle of the socket body according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a fastener according to an embodiment of the present utility model;

fig. 8 is a schematic structural view of a terminal according to an embodiment of the present utility model.

Wherein: 100. a drawstring connector; 110. a plug assembly; 111. a plug body; 1111. a jack; 1112. a receiving chamber; 1113. a clamping groove; 112. an elastic fastener; 1121. a fastener body; 11211. an opening; 1122. an extension arm; 1123. an elastic arm; 11231. a first end; 11232. a second end; 11201. a first side; 11202. a second side; 1124. a boss; 1125. a first positioning portion; 1126. a second positioning portion; 113. pulling a belt; 120. a receptacle assembly; 121. a socket body; 1211. a receiving chamber; 1212. a side groove; 1213. a side blocking part; 1214. a step surface; 12141. a slot; 12101. a guide surface; 122. a fastener; 1221. a notch; 1222. a buckling body; 1223. an abutting portion; 1224. a limit part; 123. a terminal; 1231. thorn portion.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-8, an embodiment of the present utility model provides a pull-strap connector 100, which includes a plug assembly 110 and a socket assembly 120, wherein the plug assembly 110 includes a plug body 111, an elastic fastener 112 and a pull strap 113, the plug body 111 is formed with a plurality of insertion holes 1111 arranged at intervals and accommodating cavities 1112 located at two sides of the insertion holes 1111, the elastic fastener 112 is clamped to a side wall of the accommodating cavity 1112, and the pull strap 113 is connected to the elastic fastener 112; the socket assembly 120 comprises a socket body 121, a buckling piece 122 and terminals 123, wherein the socket body 121 is provided with a containing cavity 1211, the buckling piece 122 is clamped at two sides of the containing cavity 1211, and a plurality of terminals 123 are positioned in the containing cavity 1211 at intervals; the elastic fastener 112 is inserted into the accommodating cavity 1211 along with the plug assembly 110, so that the terminal 123 is inserted into the insertion hole 1111 and the end of the elastic fastener 112 is clamped to the buckling piece 122, when the plug body 111 is pulled out of the accommodating cavity 1211, a force is applied to the pull strap 113 by deviating from the insertion direction, so that the end of the elastic fastener 112 is elastically deformed and separated from the buckling piece 122, and the plug body 111 is separated from the socket body 121. In a specific application, since the buckling piece 122 is clamped in the accommodating cavity 1211, the buckling piece is connected with the socket body 121, and the elastic fastener 112 is clamped on the side wall of the accommodating cavity 1112, so that the elastic fastener 112 is connected with the plug body 111, when the pull strap 113 is pulled, the tail end of the elastic fastener 112 is elastically deformed, at this time, the tail end of the elastic fastener 112 is released from the buckling piece 122, so that the plug body 111 is separated from the socket body 121, and the terminal 123 is separated from the jack 1111, wherein a cable is connected to the jack 1111, so that the convenience of operation separation of the plug body 111 and the socket body 121 is improved, and when the plug body 111 is inserted into the accommodating cavity 1211, the tail end of the elastic fastener 112 is clamped in the buckling piece 122 again.

In one possible embodiment, the elastic fastener 112 includes a fastener body 1121, an extension arm 1122, an elastic arm 1123, and a protrusion 1124, where the fastener body 1121 is provided with an opening 11211 for the connection of the pull strap 113, the extension arm 1122 is connected to one side of the fastener body 1121, the elastic arm 1123 is bent and connected to the end of the extension arm 1122, the protrusion 1124 is located at the connection between the elastic arm 1123 and the extension arm 1122, the fastener 122 is formed with a notch 1221 matching with the protrusion 1124, and when the plug assembly 110 is inserted into the receiving cavity 1211, the protrusion 1124 is fastened to the notch 1221; when the plug assembly 110 is pulled out of the receiving cavity 1211, the pull strap 113 acts on the resilient catch 112, and the resilient arms 1123 deform toward the extension arms 1122 such that the protrusions 1124 disengage from the notches 1221. In a specific application, the elastic fastener 112 includes a fastener body 1121, an extension arm 1122, an elastic arm 1123 and a protrusion 1124, the fastener body 1121 is provided with an opening 11211 for connecting the pull strap 113, the extension arm 1122 is connected to one side of the fastener body 1121, the elastic arm 1123 is bent and connected to the end of the extension arm 1122, the protrusion 1124 is located at the connection between the elastic arm 1123 and the extension arm 1122, the fastening member 122 is formed with a notch 1221 matching with the protrusion 1124, when the plug assembly 110 is pulled out of the accommodating cavity 1211, the pull force of the pull strap 113 acts on the fastener body 1121 of the elastic fastener 112, the elastic arm 1123 deforms relative to the extension arm 1122, so that the protrusion 1124 deforms to separate the protrusion 1124 from the notch 1221, and the protrusion 1124 and the fastener body 1121 are integrally formed, so that the elastic fastener 112 can be separated from the fastening member 122 under the pull force of the pull strap 113.

In one possible embodiment, the extension arm 1122 and the resilient arm 1123 form a junction, and the extension arm 1122 and the resilient arm 1123 gradually contract from a distance away from the junction to a distance closer to the junction. In particular applications, in order to facilitate elastic deformation of the elastic arm 1123 against the extension arm 1122 under tension, the connection formed by the extension arm 1122 and the elastic arm 1123 gradually contracts from a distance from the connection to a distance from the connection, thereby reducing the rigidity of the connection between the extension arm 1122 and the elastic arm 1123.

In one possible embodiment, the elastic fastener 112 further includes a first positioning portion 1125, the elastic arm 1123 includes a first end portion 11231 and a second end portion 11232, the first end portion 11231 is connected to the extension arm 1122, the second end portion 11232 is disposed on the elastic arm 1123 away from the first end portion 11231, the first positioning portion 1125 is disposed at the second end portion 11232, the first positioning portion 1125 is clamped to the plug body 111, and the first positioning portion 1125 limits displacement of the second end portion 11232 when the pull strap 113 acts on the elastic fastener 112. In a specific application, in order to prevent the elastic fastener 112 from displacing relative to the plug body 111, the elastic fastener 112 further includes a first positioning portion 1125, the elastic arm 1123 includes a first end portion 11231 and a second end portion 11232, the first end portion 11231 is connected to the extension arm 1122, the second end portion 11232 is far away from the first end portion 11231 and is disposed on the elastic arm 1123, the first positioning portion 1125 is located at the second end portion 11232, the first positioning portion 1125 is clamped to the plug body 111, and when the pull strap 113 acts on the elastic fastener 112, the first positioning portion 1125 is used for limiting displacement of the second end portion 11232, thereby limiting displacement of the elastic fastener 112 relative to the plug body 111 and forcing deformation generated at the end of the elastic arm 1123.

In one possible embodiment, the elastic fastener 112 further includes a second positioning portion 1126, the second end portion 11232 includes a first side 11201 and an adjacent second side 11202, the first positioning portion 1125 is located on the first side 11201, the second positioning portion 1126 is located on the second side 11202, the plug body 111 further includes a slot 1113 communicating with the accommodating cavity 1112, the second end portion 11232 is inserted into the slot 1113, and the second positioning portion 1126 abuts against the slot 1113. In a specific application, in order to prevent the elastic fastener 112 from being separated from the plug body 111, the elastic fastener 112 is provided with a second positioning portion 1126, the second end portion 11232 is provided with a first side 11201 and an adjacent second side 11202, the first positioning portion 1125 is located on the first side 11201, the second positioning portion 1126 is located on the second side 11202, the plug body 111 is further formed with a clamping groove 1113 communicating with the accommodating cavity 1112, the second end portion 11232 is inserted into the clamping groove 1113, the second positioning portion 1126 abuts against the clamping groove 1113, and thus, the second end portion 11232 is clamped in the clamping groove 1113 by the second positioning portion 1126, so that the elastic fastener 112 is prevented from being accidentally separated from the plug body 111.

In one possible embodiment, the fastening member 122 includes a fastening body 1222 and an abutment 1223 connected to the fastening body 1222, and the socket body 121 is formed with a side slot 1212 communicating with the receiving cavity 1211, and the abutment 1223 is inserted into the side slot 1212 to abut against the end of the elastic fastening member 112. In particular, in order to enable the fastening member 122 to be fastened to the socket body 121, the fastening member 122 is provided with a fastening body 1222 and an abutment portion 1223 connected to the fastening body 1222, the socket body 121 is formed with a side slot 1212 communicating with the receiving cavity 1211, and the abutment portion 1223 is inserted into the side slot 1212 to abut against the end of the elastic fastening member 112, so that the fastening member 122 can be effectively prevented from being separated from the socket body 121.

In one possible embodiment, the notch 1221 of the abutment 1223 is located on one side of the abutment 1223. In a specific application, the notch 1221 is disposed in the direction of the abutting portion 1223 approaching the receiving cavity 1211, so that the protrusion 1124 of the elastic fastener 112 can be clamped on the notch 1221 of the abutting portion 1223, thereby preventing the plug body 111 from being separated from the socket body 121 accidentally.

In one possible embodiment, the fastening component 122 further includes a limiting portion 1224, where the limiting portion 1224 is connected to the fastening body 1222 away from the abutting portion 1223, and the socket body 121 is convexly provided with a side blocking portion 1213, and the limiting portion 1224 abuts against the side blocking portion 1213. In particular, in order to prevent the elastic arm 1123 of the elastic fastener 112 from ejecting the fastening member 122 out of the side slot 1212, a limiting portion 1224 is disposed on the fastening member 122, the limiting portion 1224 is connected to the fastening body 1222 away from the abutting portion 1223, and the side blocking portion 1213 is protruding from the socket body 121, so that the limiting portion 1224 abuts against the side blocking portion 1213 to prevent the fastening member 122 from being accidentally separated from the socket body 121.

In one possible embodiment, the end of the socket body 121 is formed with a stepped surface 1214, the stepped surface 1214 is formed with a plurality of slots 12141 spaced apart from each other, the slots 12141 are communicated with the receiving cavity 1211, the terminals 123 are obliquely protruded with the thorn portions 1231, the terminals 123 are inserted into the receiving cavity 1211 from the slots 12141, and the thorn portions 1231 are inversely fastened to the inner wall surfaces of the slots 12141. In particular applications, in order to prevent the terminal 123 from being separated from the socket body 121, the step surface 1214 is formed with a plurality of slots 12141 spaced apart from each other, the slots 12141 are communicated with the receiving cavity 1211, the terminal 123 is obliquely and convexly provided with a thorn portion 1231, the terminal 123 is inserted into the receiving cavity 1211 from the slot 12141, the thorn portion 1231 is reversely buckled on the inner wall surface of the slot 12141, so as to prevent the terminal 123 from being separated from the socket 1111, while the end of the socket body 121 is formed with a step surface 1214, and the slot 12141 is provided on the step surface 1214, so that the terminal 123 is plugged on the step surface 1214 to enable the terminal 123 to be inserted into the socket body 121 in a staggered manner.

In one possible embodiment, the slot 12141 is formed with guide surfaces 12101 for guiding insertion of the terminal 123. In particular applications, in order to smoothly insert the terminal 123 into the slot 12141, a guide surface 12101 is formed on an end of the slot 12141 such that the terminal 123 enters the receiving chamber 1211 through the guide surface 12101.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A drawstring connector, comprising:

the plug assembly comprises a plug body, an elastic fastener and a pull belt, wherein the plug body is provided with a plurality of jacks arranged at intervals and containing cavities positioned at two sides of the jacks, the elastic fastener is clamped on the side wall of the containing cavity, and the pull belt is connected with the elastic fastener;

the socket assembly comprises a socket body, buckling pieces and terminals, wherein the socket body is provided with a containing cavity, the buckling pieces are clamped at two sides of the containing cavity, and a plurality of the terminals are positioned in the containing cavity at intervals;

the elastic fastener is inserted into the accommodating cavity along with the plug assembly, so that the terminal is inserted into the jack and the tail end of the elastic fastener is clamped to the buckling piece, when the plug body is pulled out of the accommodating cavity, acting force is applied to the pull belt by deviating from the inserting direction, and the tail end of the elastic fastener is elastically deformed to be separated from the buckling piece, so that the plug body is separated from the socket body.

2. The drawstring connector of claim 1, wherein the elastic fastener comprises a fastener body, an extension arm, an elastic arm and a protruding portion, the fastener body is provided with an opening for the drawstring to connect, the extension arm is connected to one side of the fastener body, the elastic arm is bent and connected to the tail end of the extension arm, the protruding portion is located at the connection position of the elastic arm and the extension arm, the fastener is formed with a notch matched with the protruding portion, and when the plug assembly is inserted into the accommodating cavity, the protruding portion is buckled with the notch; when the plug assembly is pulled out of the accommodating cavity, the pull belt acts on the elastic fastener, and the elastic arm deforms towards the direction of the extension arm, so that the protruding portion is separated from the notch.

3. The drawstring connector of claim 2, wherein the extension arm and the resilient arm form a junction, the extension arm and the resilient arm tapering from a distance from the junction to a distance from the junction.

4. A draw strap connector according to claim 2 or claim 3, wherein the resilient clip further comprises a first detent portion, the resilient arm comprising a first end portion and a second end portion, the first end portion being connected to the extension arm, the second end portion being located on the resilient arm away from the first end portion, the first detent portion being located at the second end portion, the first detent portion being snap-fitted to the plug body, the first detent portion restricting displacement of the second end portion when the draw strap acts on the resilient clip.

5. The pull-strap connector of claim 4, wherein the elastic fastener further comprises a second positioning portion, the second end portion comprises a first side surface and an adjacent second side surface, the first positioning portion is located on the first side surface, the second positioning portion is located on the second side surface, the plug body further forms a clamping groove in communication with the accommodating cavity, the second end portion is inserted into the clamping groove, and the second positioning portion abuts against the clamping groove.

6. The pull-strap connector of claim 2 wherein the fastener includes a fastener body and an abutment portion connected to the fastener body, the receptacle body being formed with a side groove communicating with the receiving cavity, the abutment portion being inserted into the side groove to abut against an end of the elastic fastener.

7. The draw tape connector of claim 6, wherein the notch of the abutment is located on one side of the abutment.

8. The pull-strap connector of claim 6, wherein the fastener further comprises a limiting portion, the limiting portion is connected to the fastener body away from the abutting portion, the socket body is provided with a side blocking portion in a protruding manner, and the limiting portion abuts against the side blocking portion.

9. The pull-strap connector of claim 1 wherein the receptacle body is formed with a stepped surface at an end thereof, the stepped surface being formed with a plurality of spaced apart slots, the slots being in communication with the receiving cavity, the terminals being obliquely provided with a thorn portion protruding from the slots, the terminals being inserted into the receiving cavity from the slots, the thorn portion being inversely fastened to an inner wall surface of the slots.

10. The pull-strap connector of claim 9 wherein the slot is formed with a guide surface for guided insertion of the terminal.