CN220652408U - Pin fixing assembly and connector - Google Patents

Abstract

The utility model discloses a fixing assembly of a contact pin and a connector, wherein the fixing assembly of the contact pin comprises a first shell and a second shell, the first shell is provided with a first side wall and a second side wall, the first side wall is provided with a first rotating piece, the second side wall is provided with a first clamping part, a first fixing structure is arranged between the first side wall and the second side wall, the second shell is provided with a third side wall and a fourth side wall, a second fixing structure is arranged between the third side wall and the fourth side wall, the third side wall is provided with a second rotating piece, the fourth side wall is provided with a second clamping part, the second rotating piece is pivoted to the first rotating piece, the first shell and the second shell can rotate in a pivoted axle center to drive the first clamping part and the second clamping part to rotate towards a direction close to or far away from each other, and the second clamping part can be clamped with the first clamping part to enable the first fixing structure to be matched with the second fixing structure so as to fix the contact pin. The fixing assembly can improve operation efficiency.

Description

Pin fixing assembly and connector

Technical Field

The utility model relates to the technical field of electric connection, in particular to a fixing assembly of a contact pin and a connector.

Background

When the cold-pressed contact pin of the connector is installed, the installation of the contact pin inside is difficult to fix. The common mounting mode is to add barbs on the contact pins, and the barbs are in interference fit with the plastic parts to fix the contact pins. However, the interference fit can damage the plastic part body, after the needle is withdrawn, the plastic part can lose the function of fixing the contact pin, so that the plastic part is changed into a disposable consumable product, the manufacturing cost is increased, the deformable fixed elastic sheet is added on the contact pin, the manufacturing cost of the contact pin is increased by adding the elastic sheet, and meanwhile, the needle withdrawing tool is required to be used by a user, so that the needle withdrawing process is complicated. In the prior art, the two shells are separated through the side buckles or the two shells slide to expose the central hole site and then fix the contact pin, and the two structures can solve the problems, but the two shells of the two structures must be separated, so that the number of accessories for operation is increased, the complexity of operation is increased, and the operation efficiency is reduced.

Disclosure of Invention

Based on this, it is necessary to provide a fixing assembly and a connector for the pins, so as to solve the problem of fixing the pins in the prior art.

The utility model provides a fixing assembly of a contact pin, which comprises a first shell and a second shell, wherein the first shell is provided with a first side wall and a second side wall, the second shell is provided with a third side wall and a fourth side wall, a first fixing structure is arranged between the first side wall and the second side wall, and a second fixing structure is arranged between the third side wall and the fourth side wall; the first side wall is provided with a first rotating piece, the second side wall is provided with a first clamping part,

the third lateral wall is provided with the second and rotates the piece, the fourth lateral wall is provided with the second joint portion, the second rotate the piece pin joint in first rotation piece, first casing with the second casing can rotate with the axle center of pin joint, so as to drive first joint portion with second joint portion can be towards being close to each other or the direction of keeping away from each other rotates, first casing with the second casing rotates to second joint portion with when first joint portion joint, first fixed knot constructs with second fixed knot constructs the block is fixed the contact pin.

Further, the first rotating member is a pin hole formed in the first side wall, the second rotating member is a pin column arranged on the third side wall and matched with the pin hole, and the pin column is rotatably arranged in the pin hole.

Further, the number of the pin holes is two, the two pin holes are arranged along the length direction of the first side wall, and the two ends of the pin column are respectively and rotatably arranged in the two pin holes.

Further, the first clamping portion is a first clamping groove, the second clamping portion is a buckle, and the buckle is in buckle fit with the first clamping groove.

Further, any one of the following schemes is included:

the first fixing structure is a second clamping groove, the second fixing structure is a first claw, the first claw can be accommodated in the second clamping groove, and the first claw is used for clamping the opposite plug-in column of the plug-in pin;

the first fixing structure is a third clamping groove, the second fixing structure is a fourth clamping groove, the third clamping groove and the fourth clamping groove are enclosed to form a fixing cavity, and the fixing cavity is used for fixing the fixing step of the contact pin;

the first fixed structure is a fifth clamping groove, the second fixed structure is a second claw, the second claw can be accommodated in the fifth clamping groove, and the second claw is used for clamping the crimping barrel of the contact pin.

Further, the fourth clamping groove is located between the first clamping jaw and the second clamping jaw, and the third clamping groove is located between the second clamping groove and the fifth clamping groove.

Further, the inner diameter of the first jaw is smaller than the inner diameter of the second jaw.

Further, the depth of the third clamping groove is larger than that of the second clamping groove, and the depth of the third clamping groove is larger than that of the fifth clamping groove.

Further, a plurality of third fixing structures are arranged on the periphery of the first shell, the third fixing structures are arranged opposite to the first fixing structures, and the third fixing structures are used for fixing the pins; and/or

The periphery of the second shell is provided with a plurality of fourth fixing structures, the fourth fixing structures are arranged opposite to the second fixing structures, and the fourth fixing structures are used for fixing the contact pins.

The utility model also provides a connector, which comprises the fixing component and the insert body, wherein the periphery of the fixing component is provided with the guide piece, the insert body is provided with an accommodating cavity with an opening at one end, the accommodating cavity is used for accommodating the fixing component, the inner side wall of the insert body is provided with the guide groove matched with the guide piece, and the guide piece is arranged in the guide groove in a sliding way.

According to the fixing assembly of the contact pin, when the contact pin is required to be assembled, the first shell and the second shell are driven to rotate in the pivoting axis, so that the first clamping part and the second clamping part rotate in the direction away from each other, the first shell and the second shell are in an open state, the contact pin is placed in the second fixing structure, the first shell and the second shell are driven to rotate in the pivoting axis again, the first clamping part and the second clamping part rotate in the direction close to each other, after the first clamping part and the second clamping part are clamped, the first shell and the second shell are in a closed state, and the first fixing structure and the second fixing structure are clamped together to jointly fix the contact pin. This fixed subassembly is through first rotating member, the second rotates, the cooperation of first joint portion and second joint portion, can make first casing and second casing switch between open condition and closed condition, when the closed condition of first casing and second casing, first fixed knot constructs and second fixed knot constructs cooperatees with fixed contact pin, when the open condition of first casing and second casing, first fixed knot constructs and second fixed knot constructs separately, accomplish the operation of moving back the needle, need not to realize fixed contact pin through barb and plastic spare interference fit, can avoid the loss of plastic spare, can reduce manufacturing cost, the needle withdrawal process need not additionally to use the needle withdrawal instrument moreover, improve the convenience of needle withdrawal operation, simultaneously at fixed contact pin and needle withdrawal's process, first casing pin joint is in the second casing, first casing and second casing need not to separate, accessory quantity when can reducing the operation, the loaded down with trivial details step of operation can be reduced, improve operating efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present 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, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a fixing assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a fixing assembly according to another embodiment of the present utility model;

FIG. 3 is a schematic view illustrating an opened state of a fixing assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic view illustrating a closed state of a fixing assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a pin structure according to an embodiment of the present utility model;

FIG. 6 is a schematic view illustrating a structure of a pin assembly to a fixing assembly according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a fixing assembly, a pin and a fourth fixing structure according to an embodiment of the present utility model;

FIG. 8 is a schematic view illustrating the assembly of the pins to the third and fourth fixing structures according to the embodiment of the present utility model;

FIG. 9 is an exploded view of a connector according to an embodiment of the present utility model;

fig. 10 is a schematic structural diagram of a connector according to an embodiment of the utility model.

Wherein:

10. a fixing assembly; 100. a first housing; 111. a first rotating member; 121. a first clamping part; 130. a first fixed structure; 131. a second clamping groove; 132. a third clamping groove; 133. a fifth clamping groove; 140. a first sidewall; 150. a second sidewall; 200. a second housing; 211. a second rotating member; 221. a second clamping part; 230. a second fixing structure; 231. a first claw; 232. a fourth clamping groove; 233. a second claw; 240. a third sidewall; 250. a fourth sidewall; 300. a contact pin; 310. a column is inserted; 320. a fixed step; 330. a crimping barrel; 340. a wire; 400. a third fixing structure; 500. a fourth fixing structure; 600. a guide member; 20. an insert; 30. a cable lock nut; 40. a cable seal; 50. a plurality of cables; 60. a housing; 70. a seal ring; 80. locking the nut slice.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, "and/or" throughout this document includes three schemes, taking a and/or B as an example, including a technical scheme, a technical scheme B, and a technical scheme that both a and B satisfy; in addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In an embodiment, as shown in fig. 1, 2 and 9, a fixing assembly 10 of a pin includes a first housing 100 and a second housing 200, the first housing 100 has a first side wall 140 and a second side wall 150, the first side wall 140 is provided with a first rotating member 111, the second side wall 150 is provided with a first clamping portion 121, a first fixing structure 130 is provided between the first side wall 140 and the second side wall 150, the second housing 200 has a third side wall 240 and a fourth side wall 250, a second fixing structure 230 is provided between the third side wall 240 and the fourth side wall 250, the third side wall 240 is provided with a second rotating member 211, the fourth side wall 250 is provided with a second clamping portion 221, and the second rotating member 211 is pivoted to the first rotating member 111, so that the first housing 100 can rotate relatively to the second housing 200, and the first clamping portion 121 and the second clamping portion 221 can rotate toward or away from each other, and the second clamping portion 221 can be clamped with the first clamping portion 121, so that the first fixing structure 130 is matched with the second fixing structure 230 to fix the pin 300.

When the pin 300 is required to be assembled, the first housing 100 and the second housing 200 are driven to rotate around the pivot axis, so that the first clamping portion 121 and the second clamping portion 221 rotate in the direction away from each other, the first housing 100 and the second housing 200 are in an open state, the pin 300 is placed in the second fixing structure 230, the first housing 100 and the second housing 200 are driven to rotate around the pivot axis again, the first clamping portion 121 and the second clamping portion 221 rotate in the direction close to each other, and after the first clamping portion 121 and the second clamping portion 221 are clamped, the first housing 100 and the second housing 200 are in a closed state, the first fixing structure 130 and the second fixing structure 230 are clamped, and the pin 300 is fixed together. The fixing assembly 10 can switch the first and second cases 100 and 200 between the opened and closed states by the cooperation of the first and second rotating members 111 and 211, the first and second clamping portions 121 and 221. As shown in fig. 4, in the closed state of the first housing 100 and the second housing 200, the first fixing structure 130 and the second fixing structure 230 cooperate to fix the pin 300, the overall shape of the fixing assembly is similar to a cylinder, and the connection between the first housing 100 and the second housing 200 is not necessarily a straight line, but may be a curved line or a multi-section straight line, so that the stability of the closed state of the first housing 100 and the second housing 200 can be increased. As shown in fig. 3, when the first housing 100 and the second housing 200 are in an open state, the first fixing structure 130 and the second fixing structure 230 are separated to complete the needle withdrawing operation, the overall shape of the first housing 100 and the second housing 200 is in a long strip shape, the middle parts of the first housing 100 and the second housing 200 are respectively provided with a first side wall 140 and a second side wall 150, the two sides of the semicircular recess of the second housing 200 are respectively provided with a third side wall 240 and a fourth side wall 250, the fixed contact needle 300 is realized without interference fit of barbs and plastic parts, the loss of plastic parts can be avoided, the manufacturing cost can be reduced, in addition, the needle withdrawing process does not need to additionally use a needle withdrawing tool, the needle withdrawing operation convenience is improved, meanwhile, in the process of fixing the contact needle and the needle withdrawing, the first housing 100 is pivoted to the second housing 200, the first housing 100 and the second housing 200 do not need to be separated, the number of accessories in the operation can be reduced, the complicated steps in the operation can be reduced, and the operation efficiency can be improved.

Specifically, the first rotating member 111 is a pin hole formed in the first side wall 140, the second rotating member 211 is a pin disposed in the third side wall 240 and adapted to the pin hole, and the pin is rotatably disposed in the pin hole. Further, two pin holes are formed in the length direction of the first side wall 140, two pin holes are formed in the pin holes in a rotatable mode, namely, the middle portion of each pin is embedded into the second side wall 150, and two ends of each pin extend out of the second side wall 150 and can be clamped into the two pin holes of the first side wall 140. Further, the pin is cylindrical.

In this embodiment, the first clamping portion 121 is a first clamping groove, the second clamping portion 221 is a buckle, the buckle is in snap fit with the first clamping groove, and through the clamping of the buckle and the first clamping groove, the second side wall 150 and the fourth side wall 250 can be fastened, and the pin hole can be used as rotation lines, so that the first housing 100 and the second housing 200 can be opened and closed. Specifically, the first clamping groove is a buckling groove.

In the present embodiment, as shown in fig. 5, the pin 300 includes a pair of posts 310, a fixing step 320, a crimp barrel 330, and a wire 340, which are sequentially disposed, the crimp barrel 330 is raised with respect to the wire 340, and the fixing step 320 is raised with respect to the crimp barrel 330.

In this embodiment, as shown in fig. 6, the vertical direction is defined as the vertical direction in the drawing, the horizontal direction is defined as the horizontal direction, and in combination with fig. 1, the first fixing structure 130 includes a second clamping groove 131, a third clamping groove 132 and a fifth clamping groove 133, the second fixing structure 230 includes a first claw 231, a fourth clamping groove 232 and a second claw 233, the first claw 231 can be accommodated in the second clamping groove 131, the first claw 231 is used for clamping the opposite plug 310 of the pin 300, the third clamping groove 132 and the fourth clamping groove 232 enclose a fixing cavity, the fixing cavity is used for fixing the fixing step 320 of the pin 300, the second claw 233 can be accommodated in the fifth clamping groove 133, and the second claw 233 is used for clamping the crimp barrel 330 of the pin 300.

Specifically, the fourth card slot 232 is located between the first and second claws 231 and 233, and the third card slot 132 is located between the second and fifth card slots 131 and 133. More specifically, the inner diameter of the first jaw 231 is smaller than the inner diameter of the second jaw 233, the first jaw 231 is capable of restricting movement and rotation of the socket 310 in the horizontal direction, the second jaw 233 is capable of restricting movement and rotation of the crimp barrel 330 in the horizontal direction, and the cooperation of the first jaw 231 and the second jaw 233 restricts movement and rotation of the pin 300 in the horizontal direction.

Further, the height of the working surface of the first jaw 231 is smaller than the height of the working surface of the second jaw 233. Further, the depth of the third clamping groove 132 is greater than the depth of the second clamping groove 131, the depth of the third clamping groove 132 is greater than the depth of the fifth clamping groove 133, and the fixing step 320 protrudes with respect to the crimp barrel 330, so that the second clamping groove 131 and the third clamping groove 132 can limit the fixing step 320 to move in the vertical direction, that is, limit the movement of the pin 300 in the vertical direction, and can fix the pin 300 in the first housing 100 and the second housing 200 in cooperation with the limiting action of the first claw 231 and the second claw 233. In operation, the fixing step 320 of the pin 300 is pressed into the fourth slot 232, and at this time, the first claw 231 engages the opposite socket 310, and the second claw 233 engages the crimp barrel 330. Specifically, the shape of the first claw 231 and the shape of the second claw 233 are circular with a notch for the insertion needle 300 to be clamped into the first claw 231 and the second claw 233. The third clamping groove 132 and the second clamping groove 131 are arc-shaped grooves.

In this embodiment, as shown in fig. 7 and 8, a plurality of third fixing structures 400 are disposed on the outer periphery of the first housing 100, the third fixing structures 400 are disposed opposite to the first fixing structures 130, and the third fixing structures 400 are used for fixing the pins 300. The second housing 200 has a plurality of fourth fixing structures 500 disposed on an outer circumference thereof, the fourth fixing structures 500 being disposed opposite to the second fixing structures 230, the fourth fixing structures 500 being used for fixing the pins 300. The third fixing structure 400 and the fourth fixing structure 500 are the same structure. Specifically, the third fixing structure 400 may be a side card slot having the same structure as the fourth card slot 232. For example, when the first housing 100 and the second housing 200 are in the closed state, the fixing steps 320 of the plurality of pins 300 are inserted into the plurality of side clamping grooves, respectively, to complete the installation of the side pins 300.

In another embodiment, as shown in fig. 9, a connector includes a fixing component 10 and an insert body 20, a guide member is disposed on the outer periphery of the fixing component 10, the insert body 20 has a receiving cavity for receiving the fixing component 10, a guide groove adapted to the guide member is disposed on an inner side wall of the insert body 20, and the guide member is slidably disposed in the guide groove. The guide may be, but is not limited to, a guide rib.

As shown in fig. 9 and 10, the connector further comprises a cable lock nut 30, a cable seal 40, a multi-strand cable 50, a fixing assembly 10, a housing 60, a seal ring 70 and a locking nut 80, wherein the cable lock nut 30 and the cable seal 40 are sleeved in the multi-strand cable 50 in advance, a pin 300 of a press-connected wire 340 is assembled into the fixing assembly 10, the pin 300 is fixed into the insert body 20 according to a guide on the fixing assembly 10, the insert body 20 and the cable seal 40 are sequentially inserted into the connector housing 60, the cable lock nut 30 is screwed, the cable lock nut 30 and the housing 60 are connected together in a threaded manner, and a panel seal ring 70 is sleeved at the opposite end of the connector housing 60 and the panel lock nut 80 is screwed in to complete the assembly. After the finished connector is powered off and disassembled, the fixing assembly 10 in the connector is taken out, the contact pin fixing assembly 10 is broken to be in an open state, and the contact pin 300 can be directly replaced, so that the fixing piece of the contact pin 300 is not damaged, and a needle withdrawing tool is not needed.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A fixing assembly of a contact pin comprises a first shell and a second shell, wherein the first shell is provided with a first side wall and a second side wall, the second shell is provided with a third side wall and a fourth side wall, a first fixing structure is arranged between the first side wall and the second side wall, and a second fixing structure is arranged between the third side wall and the fourth side wall; it is characterized in that the method comprises the steps of,

the first side wall is provided with first rotating piece, the second side wall is provided with first joint portion, the third side wall is provided with the second and rotates the piece, the fourth side wall is provided with second joint portion, the second rotate the piece pin joint in first rotating piece, first casing with the second casing rotate to second joint portion with when first joint portion joint, first fixed knot constructs with second fixed knot constructs the block is fixed the contact pin.

2. The fixing assembly according to claim 1, wherein the first rotating member is a pin hole formed in the first side wall, the second rotating member is a pin post arranged in the third side wall and adapted to the pin hole, and the pin post is rotatably arranged in the pin hole.

3. The fixing assembly according to claim 2, wherein the number of the pin holes is two, the two pin holes are arranged along the length direction of the first side wall, and two ends of the pin post are respectively rotatably arranged in the two pin holes.

4. The securing assembly as claimed in claim 1 wherein the first clamping portion is a first clamping groove and the second clamping portion is a catch that is snap-fit with the first clamping groove.

5. The securing assembly as claimed in claim 1, comprising any one of the following:

the first fixing structure is a second clamping groove, the second fixing structure is a first claw, the first claw can be accommodated in the second clamping groove, and the first claw is used for clamping the opposite plug-in column of the plug-in pin;

the first fixing structure is a third clamping groove, the second fixing structure is a fourth clamping groove, the third clamping groove and the fourth clamping groove are enclosed to form a fixing cavity, and the fixing cavity is used for fixing the fixing step of the contact pin;

the first fixed structure is a fifth clamping groove, the second fixed structure is a second claw, the second claw can be accommodated in the fifth clamping groove, and the second claw is used for clamping the crimping barrel of the contact pin.

6. The securing assembly as claimed in claim 5 wherein the fourth slot is located between the first jaw and the second jaw and the third slot is located between the second slot and the fifth slot.

7. The securing assembly as claimed in claim 5, wherein the first jaw has an inner diameter that is smaller than an inner diameter of the second jaw.

8. The securing assembly as claimed in claim 5, wherein the third slot has a depth greater than a depth of the second slot and the third slot has a depth greater than a depth of the fifth slot.

9. The fixing assembly according to claim 1, wherein a plurality of third fixing structures are arranged on the periphery of the first shell, and the third fixing structures are arranged opposite to the first fixing structures and are used for fixing the pins; and/or

The periphery of the second shell is provided with a plurality of fourth fixing structures, the fourth fixing structures are arranged opposite to the second fixing structures, and the fourth fixing structures are used for fixing the contact pins.

10. A connector, characterized by comprising the fixed component of the contact pin of any one of claims 1 to 9 and an insert body, wherein a guide member is arranged on the periphery of the fixed component, the insert body is provided with a containing cavity with one end open, the containing cavity is used for containing the fixed component, a guide groove matched with the guide member is arranged on the inner side wall of the insert body, and the guide member is slidably arranged in the guide groove.