CN216666172U

CN216666172U - Clamping structure

Info

Publication number: CN216666172U
Application number: CN202123328610.9U
Authority: CN
Inventors: 刘艳娜
Original assignee: Dongguan Hu Lane Electronic Technology Co ltd
Current assignee: Dongguan Hu Lane Electronic Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-03
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to a clamping structure, comprising: the plug board is detachably inserted on the external component; the clamping convex part is convexly arranged on the bottom surface of the inserting plate and is used for clamping with the external component; and the hollow part is arranged on the plug board and positioned on two opposite sides of the clamping convex part and used for reserving a deformation space for the clamping convex part to deform in assembly with the external component or deform in the process of disassembling the external component. This joint structure sets up fretwork portion through on the picture peg and the double-phase offside that is located this joint convex part to can leave and establish the deformation space and supply this joint convex part and external component assembly to warp or follow external component and dismantle the in-process and warp, make this joint structure implantation power reduce and stress concentration, can prevent the assembly and dismantle in-process stuck point atress fracture.

Description

Clamping structure

Technical Field

The present invention relates to a connecting structure, and more particularly, to a clamping structure.

Background

In the related art, a clamping structure is usually provided on an external component, such as a connector plastic box, and as shown in fig. 1, the clamping structure 2 is usually inserted into a main body 1 of the connector plastic box and is in interference fit with a clamping groove on the main body 1, so as to perform a fixing function. When the clamping structure 2 is assembled with the main body 1, the clamping point is difficult to deform, so that the implantation force is large; when the clamping structure 2 is separated from the main body 1, the clamping point is difficult to deform, so that the clamping structure cannot be disassembled.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved clamping structure.

The technical scheme adopted by the utility model for solving the technical problem is as follows: constructing a snap-in structure comprising:

the plug board is detachably inserted on the external component;

the clamping convex part is convexly arranged on the bottom surface of the inserting plate and is used for being clamped with the external component;

a fretwork portion, set up in on the picture peg and be located the double-phase offside of joint convex part is used for staying and establishes the deformation space and supplies the joint convex part with external component assembly warp or follow external component dismantlement process warp.

Preferably, the fretwork portion is the bar hole, the bar hole is close to the root one end of joint convex part is equipped with fillet structure.

Preferably, the clamping convex part comprises a guide inclined plane which is inclined towards the bottom surface of the inserting plate and is connected with the bottom surface of the inserting plate to form an angle larger than ninety degrees;

and one end of the abutting surface is connected with the guide inclined surface and is used for abutting against the groove wall of the clamping groove matched with the clamping convex part on the external component.

Preferably, a cambered surface is arranged at the joint of the guide inclined surface and the abutting surface.

Preferably, the snap-in projection is wedge-shaped or triangular.

Preferably, the clamping device further comprises an elastic body, wherein the elastic body is arranged on one surface of the inserting plate opposite to the clamping convex part;

a supporting portion disposed between the board and the elastic body for supporting the elastic body;

the clamping convex part and the supporting part are arranged in a staggered mode.

Preferably, the insert plate comprises a body;

the retaining wall is arranged at one end of the body; the retaining wall is provided with a placing groove for placing the picking needle jig; the placing groove and the clamping convex part are arranged oppositely.

Preferably, the body comprises a boss, a groove is formed on the bottom surface of the boss, and the clamping convex part is arranged in a protruding mode from the groove;

and the inserting parts are arranged on the two opposite sides of the lug boss and are matched and inserted with the slots on the external component.

Preferably, the clamping protrusion is integrally formed with the insert plate.

Preferably, the clamping convex part is fixed with the clamping groove of the external component through interference fit.

The clamping structure has the following beneficial effects: this joint structure sets up fretwork portion through on the picture peg and the double-phase offside that is located this joint convex part to can leave and establish the deformation space and supply this joint convex part and external component assembly to warp or follow external component and dismantle the in-process and warp, make this joint structure implantation power reduce and stress concentration, can prevent the assembly and dismantle in-process stuck point atress fracture.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a conventional clamping structure cooperating with an external component;

FIG. 2 is a schematic structural view of a clamping structure according to some embodiments of the present invention;

FIG. 3 is a schematic view of the latch structure of FIG. 2 at another angle;

FIG. 4 is a bottom schematic view of the clamping structure of FIG. 2;

FIG. 5 is a schematic view of the latch structure of FIG. 2 engaged with an external member;

fig. 6 is an enlarged view of a portion of the clamping structure shown in fig. 5 and an external member.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

Figure 2 shows some preferred embodiments of the snap structure of the present invention. The clamping structure can be clamped into the external component 100, and the external component 100 can be a connector plastic box. When the clamping structure is assembled with the external component 100, the clamping structure has small implantation force, concentrated stress and is not easy to break.

As shown in fig. 2 and 3, in some embodiments, the clamping structure may include a board 10, a clamping protrusion 20; the board 10 is detachably inserted into the external member 100, and specifically, the board 10 is inserted into the slot 101 of the external member 100. The engaging protrusion 20 may be protruded from the bottom surface of the card 10 for engaging with the external component 100, and specifically, in some embodiments, the engaging protrusion 20 may be engaged with the external component 100. Specifically, in some embodiments, the snap tabs 20 may snap into the snap slots 102 of the external member 100. In some embodiments, the insert board 10 can be integrally formed with the clamping protrusion 20, and in particular, in some embodiments, the insert board 10 can be integrally formed with the clamping protrusion 20 by injection molding.

Further, as shown in fig. 4, in some embodiments, the insert plate 10 may include a body 11 and a retaining wall 12. The body 11 is inserted into the slot 101 of the external member 100. The blocking wall 12 may be disposed at one end of the body 11, and the thickness of the blocking wall 12 may be greater than that of the body 11, which may be used to limit the maximum insertion position of the body 11 when the board 10 is inserted into the external member 100. In some embodiments, a placement groove 121 may be disposed on the blocking wall 12, and the placement groove 121 may be disposed opposite to the snap projection 20. In some embodiments, the placement groove 121 may be used for placing a needle raising jig, and when the locking structure is detached from the external component 100, the needle raising jig may extend into the placement groove 121, and then the insert board 10 may be tilted upward until the locking protrusion 20 is disengaged from the locking groove 102.

In some embodiments, the body 11 may include a boss 111 and a plug 112, the boss 111 may be used for mounting the elastic body 30, the boss 111 may be disposed higher than the plug 112, a groove 1112 may be formed on a bottom surface of the boss, and the snap-fit protrusion 20 may protrude from the groove 1112. In some embodiments, the insertion portions 112 may be disposed on two opposite sides of the protrusion 111, and may be inserted into the insertion slot 101 of the external member 100 to be matched with the insertion slot 101.

In some embodiments, the locking structure may further include a hollow portion 1111, the hollow portion 1111 may be disposed on the board 10, and specifically, the hollow portion 1111 may be disposed on the boss 111, and a connecting portion between the boss 111 and the insertion portion 112 is disposed on the hollow portion 1111, that is, the hollow portions 1111 may be located on two opposite sides of the locking protrusion 20. In some embodiments, the hollowed-out portion 1111 can be used to leave a space for deformation so that the latch protrusion 20 can be deformed during the assembly or disassembly process of the external component, the implantation force of the latch structure 20 is reduced and the stress concentration can prevent the latch point from being broken by the force during the assembly or disassembly process. In some embodiments, the hollowed-out portion 1111 may be a strip-shaped hole, but it is understood that in other embodiments, the hollowed-out portion 1111 may not be limited to being a strip-shaped hole. In some embodiments, a rounded structure 1113 may be provided at the end of the elongated hole near the root of the snap-in projection 20. The round angle structure 1113 can reduce stress concentration and prevent the clamping convex part 20 from being broken under stress in the assembling and disassembling processes. It is understood that in some embodiments, the fillet structure 1113 may be omitted.

Further, as shown in fig. 5 and 6, in some embodiments, the snap-in projection 20 can be protruded from the groove 1112. In some embodiments, the snap tab 20 may be wedge-shaped, or triangular; it will be appreciated that in other embodiments, the engageable portion 20 may be stepped. The clamping protrusion 20 may be shaped like a truncated pyramid or a cone, and may be clamped into the clamping groove 102 of the external component 100 when the insert board 10 is inserted into the external component 100, and fixed by interference fit with the clamping groove 102, so as to ensure stable fixation with the external component 100. Further, the latch protrusion 20 may include a guiding slope 21 and an abutting surface 22. In some embodiments, the guiding bevel 21 can guide the latch structure 10 when it is latched to the external member 100 and ensure a good transition fit. In some embodiments, the guiding slope 21 may be inclined toward the bottom surface of the board 10 and meet the bottom surface of the board 10 to form an angle greater than ninety degrees. In some embodiments, the abutment surface 22 is perpendicular to the bottom surface of the protrusion 111, and may be connected to the guiding slant surface 21 and may be configured to abut against a groove wall of the slot 102 of the external member 100. In some embodiments, an arc surface 23 may be disposed at the junction of the inclined guide surface 21 and the abutting surface 22. The arc 23 may contact the bottom wall of the slot 102.

In some embodiments, the clamping structure may further include an elastic body 30, and the elastic body 30 may be disposed on a surface of the board 10 opposite to the clamping protrusion 20. In some embodiments, the elastomer 30 may be disposed on the boss 11.

In some embodiments, the clamping structure may further include a supporting portion 40, and the supporting portion 40 may be disposed on the board 10, may be located between the board 10 and the elastic body 30, and may be configured to support the elastic body 30. In some embodiments, the supporting portion 40 may be cylindrical, and the clamping protrusion 20 may be disposed in a staggered manner with respect to the supporting portion 40, so as to avoid the problem that the clamping structure cannot be deformed during implantation and detachment, which results in the implantation force reaching and difficult detachment.

Through tests, the implantation force of the original clamping structure is 25N-30N, the clamping structure has no resilience space under the supporting part 40, and the clamping convex part 20 must be damaged during disassembly, but the implantation force test of the clamping structure can be reduced by more than 10N, and the clamping structure can be easily disassembled by using a picking needle jig. By testing the insertion force of the clamping structure of the utility model into the glue box and the separation force of the clamping structure from the glue box, the test data are as follows:

TABLE 1 magnitude of the insertion force of the clamping structure of the present invention into the plastic box and the separation force from the plastic box

It is to be understood that the foregoing examples, while indicating the preferred embodiments of the utility model, are given by way of illustration and description, and are not to be construed as limiting the scope of the utility model; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. A clamping structure, comprising:

the plug board (10) is detachably inserted on the external component (100);

the clamping convex part (20) is convexly arranged on the bottom surface of the plug board (10) and is used for clamping with the external component (100);

a hollow portion (1111), set up in on picture peg (10) and be located the double-phase offside of joint convex part (20) is used for keeping and establishes the deformation space and supplies joint convex part (20) with external component (100) assembly warp or follow external component (100) dismantlement process warp.

2. The clamping structure according to claim 1, wherein the hollowed-out portion (1111) is a strip-shaped hole, and a round corner structure (1113) is arranged at one end of the strip-shaped hole, which is close to the root of the clamping convex portion (20).

3. The clamping structure according to claim 1, wherein the clamping protrusion (20) comprises a guide slope (21) which is inclined towards the bottom surface of the insert plate (10) and meets the bottom surface of the insert plate (10) to form an angle greater than ninety degrees;

and one end of the abutting surface (22) is connected with the guide inclined surface (21) and is used for abutting against the groove wall of the clamping groove (102) which is arranged on the external component (100) and matched with the clamping convex part (20).

4. A clamping structure according to claim 3, wherein the guide slope (21) is provided with a cambered surface (23) at the joint with the abutting surface (22).

5. Clamping structure according to claim 1, characterized in that the clamping projection (20) is wedge-shaped or triangular.

6. The clamping structure according to claim 1, further comprising an elastic body (30) disposed on a surface of the insert plate (10) opposite to the clamping protrusion (20);

a support portion (40) provided between the insert plate (10) and the elastic body (30) for supporting the elastic body (30);

the clamping convex part (20) and the supporting part (40) are arranged in a staggered mode.

7. A clamping arrangement according to claim 1, wherein the insert (10) comprises a body (11);

a retaining wall (12) arranged at one end of the body (11); a placing groove (121) is arranged on the blocking wall (12) for placing the picking needle jig; the placing groove (121) and the clamping convex part (20) are arranged oppositely.

8. A clamping structure according to claim 7, characterized in that the body (11) comprises a boss (111) having a bottom surface forming a groove (1112), the clamping protrusion (20) protruding from the groove (1112);

and the inserting parts (112) are arranged on two opposite sides of the boss (111) and are matched and inserted with the inserting groove (101) on the external component (100).

9. Clamping structure according to claim 1, wherein the clamping protrusion (20) is integrally formed with the insert plate (10).

10. The clamping structure according to claim 1, wherein the clamping convex part (20) is fixed with the clamping groove (102) of the external component (100) through interference fit.