CN217507817U

CN217507817U - Special buckle locking connector

Info

Publication number: CN217507817U
Application number: CN202220442576.3U
Authority: CN
Inventors: 于静; 黄宏图; 刘常明; 陶刚; 饶木庆
Original assignee: Amphenol PCD Shenzhen Co Ltd
Current assignee: Amphenol PCD Shenzhen Co Ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-09-27
Anticipated expiration: 2032-03-02

Abstract

The utility model belongs to the technical field of connectors, and provides a special buckle locking connector.A plug is inserted into a socket, a clamping part is formed on the socket, a clamping device is configured on the plug, the clamping device is rotatably arranged on the plug, and the clamping device is detachably clamped in the clamping part; the locking device is arranged on the plug and can be installed on the lower portion of the clamping device in a pulling mode, the clamping device is limited or released to rotate through pulling the locking device, assembling operation is rapid and easy, and locking is firm and reliable.

Description

Special buckle locking connector

Technical Field

The utility model belongs to the technical field of the connector, especially, relate to a special buckle locking connector.

Background

The conventional connector includes a male terminal and a female terminal that are plugged into each other, that is, the two cables are electrically connected by plugging and unplugging the plug and the socket.

The existing electric connector applied to charging and discharging of a new energy automobile battery and charging and discharging of energy storage equipment is complex in assembly operation, not firm in locking, prone to causing short circuit or open circuit of a circuit and prone to having potential safety hazards.

Therefore, a special buckle locking connector is needed to solve the problems of complicated assembly operation, unstable locking, easy short circuit or open circuit of the circuit, and potential safety hazard of the electrical connector.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a special buckle locking connector, a plug is inserted into a socket, a clamping part is formed on the socket, a clamping device is configured on the plug, the clamping device is rotatably installed on the plug, and the clamping device is detachably clamped in the clamping part; the plug is provided with a locking device, the locking device can be installed on the lower portion of the card connector in a pulling mode, and the locking device is pulled to limit or release the rotation of the card connector.

Optionally, the clamping portion is formed with a clamping groove, the clamping device is formed with a clamping seat, and the clamping seat is embedded into the clamping groove to lock the socket.

Optionally, an arc surface is formed on one side of the clamping seat, and the arc surface faces the clamping portion.

Optionally, the latch is formed with a resilient arm provided with a catch by which the latch is connected to the plug.

Optionally, the plug is formed with an open slot, a first clamping hole and a second clamping hole are formed on a slot side of the open slot, and the hook is clamped into the first clamping hole or the second clamping hole.

Optionally, the locking device is provided with an abutting portion, the hook is located in the first clamping hole, and the abutting portion abuts against the clamping device to limit the rotation of the clamping device.

Optionally, the latch is provided with a release slot, and the slot surface of the release slot is larger than the top surface of the abutting part; the clamping hooks are positioned in the second clamping holes, the abutting connection parts retract to the lower side of the release groove, and the clamping connector is released to rotate.

Optionally, the pothook bulges the open slot, joint portion is formed with the rib, the rib movably ground slide insert in the open slot restriction the pothook bulges the open slot.

Optionally, the card connector is provided with a return spring, which abuts against the plug.

Optionally, the locking device is provided with a guide groove, the plug is provided with a stop block, and the guide groove is slidably sleeved on the stop block.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a special buckle locking connector, the joint ware is rotationally installed on the plug, joint ware detachably joint in joint portion, and the locking ware can be installed in the lower part of joint ware with shifting, shifts locking ware restriction or release joint ware and rotates, and assembly operation is swift easy, and locking is firm reliable.

Drawings

Fig. 1 is a schematic view of the overall structure of a special buckle lock connector of the present invention;

fig. 2 is a schematic cross-sectional view of the locking device of the special buckle lock connector according to the present invention in a locking state;

FIG. 3 is an enlarged view of part A;

fig. 4 is a schematic cross-sectional view of the special buckle lock connector of the present invention in a release state of the locking means;

FIG. 5 is an enlarged view of the part B;

FIG. 6 is a schematic view of the overall structure of the plug;

FIG. 7 is an exploded view of the plug;

FIG. 8 is a front view of the plug;

FIG. 9 is a schematic view of the structure of the card connector;

FIG. 10 is a schematic view of the latch;

fig. 11 is a schematic view of the overall structure of the socket.

Illustration of the drawings:

200. a plug; 201. a socket; 202. a clamping part; 203. a latch; 204. a first through hole; 205. a second through hole; 206. a pin; 207. a pin hole; 208. a clamping groove; 209. a card holder; 210. a circular arc surface; 211. a plane is clamped; 212. a limiting groove; 213. a spacing rib; 214. a torsion spring; 215. a lock; 216. a guide groove; 217. a stop block; 218. a resilient arm; 219. a hook; 220. an open slot; 221. a first chucking hole; 222. a second card hole; 223. an abutting portion; 224. a relief groove; 225. and (4) ribs.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1-11, an embodiment of the present invention provides a special buckle-lock connector, which includes a plug 200 and a socket 201, wherein the plug 200 is inserted into the socket 201 for clamping. One end of the socket 201 is formed into a convex circle, a clamping portion 202 is formed on the convex circle, and the clamping portion 202 is used for being connected with the plug 200 in a clamping mode. A latch 203 is provided on the plug 200, and the latch 203 is detachably latched to the latch portion 202. The card connector 203 is block-shaped, a first through hole 204 and a second through hole 205 are arranged on the card connector 203, the first through hole 204 is an elliptical hole, the second through hole 205 is a circular hole, and the first through hole 204 and the second through hole 205 are connected with the plug 200 through a pin 206. The plug 200 is provided with a pin hole 207, and two pins 206 respectively pass through the first through hole 204 and the second through hole 205 and are assembled on the pin hole 207, so that the clamping device 203 can rotate around the pins 206 on the second through hole 205, and the oval first through hole 204 can meet the rotation angle of the clamping device 203.

Furthermore, a clamping groove 208 is formed in the inner side of the clamping portion 202, a clamping seat 209 is formed at the front end of the clamping device 203, the plug 200 is sleeved at one end of the clamping portion 202, the clamping seat 209 is embedded into the clamping groove 208 to lock the socket 201, the clamping device 203 is clamped into the clamping portion 202 to be connected, so that the connector is not easy to loosen in the axial direction, and the connection is reliable. In order to facilitate the engagement of the card holder 209 in the card slot 208, an arc surface 210 is formed on one side of the card holder 209, and the arc surface 210 faces the card connection portion 202. In order to prevent the card seat 209 from separating from the card slot 208, the other side of the card seat 209 is formed as a clamping plane 211, and the clamping plane 211 abuts against the slot surface of the card slot 208 to stop the position, so that the plug 200 is more firmly and reliably connected with the wire end. In order to facilitate the assembly of the connector plug 200 and the socket 201, the plug 200 is provided with the limiting groove 212, the limiting groove 212 plays a role in guiding, the socket 201 is provided with the limiting rib 213, the limiting rib 213 and the limiting groove 212 are installed in a matched mode, the limiting groove 212 is used for limiting and guiding, the connector cannot rotate in the circumferential direction, and the connector is convenient to assemble and connect, firm and reliable.

Further, in order to achieve the self-locking function of the connector, the latch 203 is provided with a return spring, which is a torsion spring 214. The torsion spring 214 is mounted in a prestressed manner in cooperation with the pin 206 of the second through hole 205, and has one free end abutting against the plug 200 and the other free end abutting against the bottom of the card connector 203. In a free state, under the action of the prestress of the torsion spring 214, the clamping device 203 is pried up, and the clamping device 203 is connected with the clamping part 202 in a clamping manner to form self-locking; when the latch 203 is pressed downward, the latch 203 rotates around the pin 206 of the second through hole 205 by a certain angle, so that the latch 203 is latched to the latch portion 202 and is released. The return spring may be a compression spring or a tension spring, one end of which is connected to the latch 203 and the other end of which is connected to the plug 200, and the return spring may be installed at an appropriate position according to the type of the spring, for example, the compression spring is installed at the front end of the latch 203 and the tension spring is installed at the rear end of the latch 203.

Further, in order to further improve the connection reliability of the connector, the plug 200 is further provided with a latch 215, the latch 215 is removably mounted on a lower portion of the latch 203, and the latch 215 is removed to restrict or release the rotation of the latch 203. Specifically, the locking device 215 is a 7-shaped locking block, the locking device 215 is provided with a guide groove 216, and the guide groove 216 is a through groove. The plug 200 is provided with a stop block 217, and the stop block 217 is a rectangular protrusion. The guide groove 216 is slidably fitted to the stopper 217, and the stopper 215 moves back and forth within the guide groove 216 with a limited distance by the engagement of the stopper 217 of the plug 200 with the stopper 215. When the locker 215 moves forward, the locker 215 locks the card connector 203 to restrict the rotation of the card connector 203, the card holder 209 does not come out of the card slot 208, and the plug 200 and the socket 201 are locked; when the locking device 215 moves backward, the locking device 215 releases the card connector 203, the card connector 203 can rotate, the card holder 209 can be disengaged from the card slot 208, and the plug 200 can be separated from the socket 201. The stopper 217 may have a cylindrical shape as long as the stopper function of the lock 215 is achieved.

Further, the stopper 215 is formed with symmetrical elastic arms 218, the front end of the elastic arm 218 is provided with a hook 219, the side of the hook 219 is in an irregular polygonal shape, and the polygonal surface has a slope for guiding or a flat surface for stopping. The plug 200 is formed with an open slot 220, a first fastening hole 221 and a second fastening hole 222 are arranged at the slot side of the open slot 220, and an inclined plane for guiding or a plane for stopping is formed at the inner side of each of the first fastening hole 221 and the second fastening hole 222. The front ends of the symmetrical elastic arms 218 form openings to clamp the openings of the elastic arms 218, and the elastic arms 218 of the hooks 219 are contracted by an opening distance to allow the hooks 219 to be clamped into the first locking holes 221 or the second locking holes 222, and the rear openings of the hooks 219 are released to be opened so that the latches 215 are connected with the plug 200. When the plane of the hook 219 for stopping abuts against the plane of the first hook hole 221 or the second hook hole 222 for stopping, the hook 219 cannot move forward. When the inclined surface for guiding the hook 219 abuts against the inclined surface for guiding the first hook hole 221 or the second hook hole 222, the hook 219 can move forward or backward. Of course, the forward or backward movement of the hook 219 is limited by the lock 215 and the stop block 217, i.e., when the hook 219 is located in the first locking hole 221, the hook 219 cannot move forward; when the hook 219 is in the second hook hole 222, the hook 219 cannot move further backward.

Further, the front end of the locking device 215 is provided with the abutting portion 223, the abutting portion 223 is a rectangular protrusion, when the hook 219 is located in the first clamping hole 221, the abutting portion 223 abuts against the bottom surface of the card connector 203, the rotation of the card connector 203 is limited, the card connector 203 cannot be disengaged from the clamping portion 202, the plug 200 and the socket 201 are locked, and the connection is more reliable. The abutting portion 223 may be formed in a hemispherical shape, a circular truncated cone shape, a cylindrical shape, or other shapes as long as it is sufficient to restrict the rotation of the clip 203. A release groove 224 is arranged in the middle of the clamp 203, and the groove surface of the release groove 224 is larger than the top surface of the abutting part 223; the release groove 224 is a rectangular through groove, and the engagement abutment portion 223 can completely allow the abutment portion 223 to retract into the release groove 224, and the release groove 224 can have another shape to engage with the abutment portion 223. When the hooks 219 are located in the second locking holes 222 and the abutting portion 223 retracts below the releasing slot 224, the latch 203 can be released to rotate, at this time, the latch 203 is pressed downward, the latch 203 rotates around the pin 206 on the second through hole 205, the card holder 209 disengages from the latch slot 208, and the socket 201 can be separated from the plug 200.

Further, when the hooks 219 are locked in the first locking holes 221 or the second locking holes 222, the hooks 219 protrude out of the open slots 220, that is, the hooks 219 are higher than the open slots 220, and when the plug 200 is not connected to the receptacle 201, the hooks 219 located in the second locking holes 222 cannot be directly pulled by the latches 215 to enter the first locking holes 221. The clip portion 202 is formed with a rib 225, and the rib 225 is slidably inserted into the opening groove 220 to limit the protrusion of the hook 219 out of the opening groove 220. The rib 225 presses the hook 219 to protrude the opening slot 220, so that the latch 215 can be toggled, and particularly, if the latch 215 cannot be toggled when the socket 201 is not completely mounted on the plug 200 during connector assembly, the hook 219 cannot enter the first latching hole 221 from the second latching hole 222, and the latch 215 does not function, so that an operator can be warned that the socket 201 is not mounted in place. When the socket 201 is installed in place, the rib 225 presses the hooks 219 not to protrude from the second latching holes 222, and the latch 215 can be pulled, so that the hooks 219 can smoothly enter the first latching holes 221 from the second latching holes 222.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A special buckle locking connector is characterized in that a plug is inserted into a socket, a clamping part is formed on the socket, a clamping connector is configured on the plug, the clamping connector is rotatably installed on the plug, and the clamping connector is detachably clamped in the clamping part; the plug is provided with a locking device, the locking device can be installed on the lower portion of the card connector in a pulling mode, and the locking device is pulled to limit or release the rotation of the card connector.

2. The special snap-lock connector according to claim 1, wherein said snap-in portion is formed with a snap-in groove, said snap-in connector is formed with a card holder, and said card holder is inserted into said snap-in groove to lock said socket.

3. The special snap-lock connector according to claim 2, characterized in that said holder has a circular arc surface formed on one side thereof, said circular arc surface facing said snap-in portion.

4. The special snap-lock connector as claimed in claim 1, characterized in that the latch is formed as a resilient arm which is provided with a hook by means of which the latch is connected to the plug.

5. The special snap-lock connector according to claim 4, wherein the plug is formed with an open slot, a first locking hole and a second locking hole are provided at a slot side of the open slot, and the hook is locked in the first locking hole or the second locking hole.

6. The special snap-lock connector of claim 5, wherein said locking means comprises an abutment portion, said hook is located in said first hole, and said abutment portion abuts said latch means to limit rotation of said latch means.

7. The special snap-lock connector of claim 6, wherein said snap-in connector is provided with a release slot, the slot surface of said release slot being larger than the top surface of said abutment; the clamping hooks are positioned in the second clamping holes, the abutting connection parts retract to the lower side of the release groove, and the clamping connector is released to rotate.

8. The special snap-lock latch connector of claim 7, wherein said hook projects out of said open slot, and said latch portion is formed with a rib that is movably slidably inserted into said open slot to limit said hook from projecting out of said open slot.

9. The special snap-lock connector according to claim 1, characterized in that the snap-in connector is provided with a return spring, which is in abutment against the plug.

10. The special snap-lock connector of claim 1, wherein said latch is provided with a guide slot, said plug is provided with a stop block, and said guide slot is slidably fitted over said stop block.