CN219197804U

CN219197804U - Anti-falling structure for plastic buckle

Info

Publication number: CN219197804U
Application number: CN202320268014.6U
Authority: CN
Inventors: 郎登军
Original assignee: Anhui Dengyao Auto Parts Co ltd
Current assignee: Anhui Dengyao Auto Parts Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-06-16
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses an anti-falling structure for a plastic buckle, belonging to the field of buckles; the utility model provides an anti-drop structure for plastic buckle, includes plug-in components and fastener, and the fastener is the cavity box body that is both ends open and both sides have all been seted up the draw-in groove, is fixed with two plastic material's inserted bars on the plug-in components, is provided with the circular arc lug on the inserted bar, can take place the joint when the circular arc lug reaches draw-in groove department, the tip of fastener is fixed with the box body, and one side of box body is provided with the clamp plate, is fixed with the ejector pin on the plug-in components, and the clamp plate can exert pressure to the ejector pin, makes the circular arc lug hug closely at the edge of draw-in groove; one end of the fastener is provided with a positioning groove, and the ejector rod is matched with the positioning groove; therefore, the plug-in unit is limited in the plugging direction and other degrees of freedom except the plugging direction, so that the clamping connection between the plug-in unit and the fastener is more stable.

Description

Anti-falling structure for plastic buckle

Technical Field

The utility model belongs to the field of buckles, and particularly relates to an anti-falling structure for a plastic buckle.

Background

A buckle is a very common connecting piece in daily life, and generally comprises an insert and a fastener, wherein the insert can be inserted into the fastener to complete clamping; however, due to design margin, manufacturing precision and other reasons, the plug-in unit can still shake after being clamped with the fastener, thereby affecting the stability of the clamping.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an anti-falling structure for a plastic buckle, which solves the technical problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides an anti-drop structure for plastic buckle, includes plug-in components and fastener, and the fastener is the cavity box body that is both ends open and both sides have all been seted up the draw-in groove, is fixed with two plastic material's inserted bars on the plug-in components, is provided with the circular arc lug on the inserted bar, can take place the joint when the circular arc lug reaches draw-in groove department, the tip of fastener is fixed with the box body, and one side of box body is provided with the clamp plate, is fixed with the ejector pin on the plug-in components, and the clamp plate can exert pressure to the ejector pin, makes the circular arc lug hug closely at the edge of draw-in groove;

one end of the fastener is provided with a positioning groove, and the ejector rod is matched with the positioning groove; therefore, the plug-in unit is limited in the plugging direction and other degrees of freedom except the plugging direction, so that the clamping connection between the plug-in unit and the fastener is more stable.

The utility model has the beneficial effects that:

1. the two inserting rods are arranged in the plug-in unit, and arc convex blocks are arranged on the inserting rods to be clamped with clamping grooves in the fastener, so that clamping is completed; the end of the fastener is provided with a supporting component, the supporting component is elastically connected with a pressing plate through a spring, the pressing plate can interact with the ejector rod in the plug-in unit and can apply pressure to the plug-in unit, so that the arc protruding blocks in the plug-in unit can be clung to the edge of the clamping groove, and the purpose of limiting the plug-in unit to move in the plugging direction is achieved; the positioning groove is arranged in the fastener to be matched with the ejector rod, so that other degrees of freedom of the plug-in unit except the plugging direction can be limited, and the plug-in unit and the fastener are clamped more stably;

2. the plug-in rod is fixed with the connecting plate in a bolt connection mode, so that the plug-in rod can be replaced independently conveniently, and the whole plug-in component does not need to be replaced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a fastener structure of the present utility model;

FIG. 3 is a schematic illustration of the structure of the insert of the present utility model;

FIG. 4 is a schematic view of the structure of the connecting plate of the present utility model;

fig. 5 is a schematic view of the support assembly structure of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

As shown in fig. 1, an anti-falling structure for a plastic buckle comprises an insert 1 and a buckle 2, wherein the insert 1 is inserted into the buckle 2 to realize clamping;

as shown in fig. 2-4, the fastener 2 is a hollow box body with two open ends, and two sides of the fastener 2 are respectively provided with a clamping groove 21; the plug-in unit 1 comprises a connecting plate 11, two plug-in rods 12 are fixed on the connecting plate 11, arc protruding blocks 13 are arranged at one ends of the plug-in rods 12 far away from the connecting plate 11, and the two plug-in rods 12 are made of plastic, in the process that the plug-in unit 1 is inserted into the fastener 2, the arc protruding blocks 13 on the two plug-in rods 12 are extruded by two side walls of the fastener 2, so that the two plug-in rods 12 can bend towards the middle, when the arc protruding blocks 13 reach the clamping grooves 21, the two plug-in rods 12 return, at the moment, the arc protruding blocks 13 are positioned in the clamping grooves 21, and the plug-in rods 12 can be prevented from retracting, so that clamping is realized;

however, as shown in fig. 1, in the above structure, after the card 1 and the fastener 2 are clamped, the card 1 can still move in the plugging direction, thereby affecting the stability of the clamping and fastening; in order to prevent the plug-in unit 1 from moving in the plugging direction, in this embodiment, a support component 3 is disposed at one end of the fastener 2 away from the connecting plate 11, and the support component 3 is used for applying an external force to the plug-in unit 1 after the fastener is clamped, so that the arc-shaped protruding block 13 in the plug-in unit 1 can be tightly attached to the edge of the clamping groove 21, thereby achieving the purpose of limiting the plug-in unit 1 from moving in the plugging direction;

as shown in fig. 5, the supporting component 3 comprises a box body 31 fixed on the fastener 2, a pressing plate 33 is arranged on one side of the box body 31 close to the fastener 2, a spring 34 is arranged between the pressing plate 33 and the box body 31, and elastic connection between the pressing plate 33 and the box body 31 is realized; the connecting plate 11 is fixed with a push rod 111, the push rod 111 can be contacted with the pressing plate 33 to generate extrusion force, and when the plug-in 1 is clamped with the fastener 2, the pressing plate 33 applies pressure to the push rod 111 to enable the arc-shaped protruding block 13 to be tightly attached to the edge of the clamping groove 21; in addition, when the plug-in unit 1 is disassembled, the pressing plate 33 can push the plug-in unit 1 out of the fastener 2 under the action of the elastic force of the spring 34, so that the plug-in unit 1 can be disassembled and separated conveniently.

In this embodiment, in order to ensure that the pressing plate 33 stably moves in the fastener 2, two guide rods 32 are fixed on the box body 31, the guide rods 32 penetrate through the pressing plate 33 and are slidably connected with the pressing plate 33, springs 34 are sleeved on the guide rods 32, and two ends of each spring 34 are fixedly connected with the pressing plate 33 and the box body 31 respectively, so that elastic connection between the pressing plate 33 and the box body 31 is better and stable;

in fig. 5, although two guide rods 32 are drawn, the number of guide rods 32 is not limited to two, and may be two or more as long as the movement of the pressing plate 33 can be guided.

The end of the guide rod 32 away from the box body 31 is fixed with the round platform 35, and the diameter of the round platform 35 is larger than that of the guide rod 32, when the pressing plate 33 is not contacted with the ejector rod 111, the pressing plate 33 is tightly attached to the round platform 35 under the elastic force of the spring 34, and the pressing plate 33 can be effectively prevented from being separated from the guide rod 32.

In this embodiment, the box 31 can be fastened to the end of the fastener 2, and the box 31 is provided with a through hole 311, and the fastener 2 is provided with a threaded hole 23, so that when the box 31 is fastened to the end of the fastener 2, the box 31 and the fastener 2 can be detachably and fixedly connected by passing through the through hole 311 and screwing the bolt into the threaded hole 23.

The fastener 2 is provided with the constant head tank 22 far away from the one end of box 31, and ejector pin 111 can insert constant head tank 22 and mutually support with constant head tank 22 to can restrict other degrees of freedom except the grafting direction of plug-in components 1, make the joint between plug-in components 1 and the fastener 2 more stable.

In the prior art, after the insert 1 is used for a long time, the insert rod 12 reaches the bending fatigue limit to cause damage, and because the insert rod 12 and the insert 1 are usually integrally formed, the whole insert 1 needs to be replaced; therefore, in the embodiment, the insert rod 12 and the connecting plate 11 are fixed by adopting a bolt connection mode, so that the insert rod 12 can be conveniently and independently replaced later;

in order to ensure the accuracy of the installation position of the inserted link 12 after replacement, the insertion link 12 is prevented from being installed in a misplacement manner, so that the fastener 2 is difficult to insert into the insertion space 1; in this embodiment, two limiting grooves 112 are provided on the connecting plate 11, the limiting grooves 112 are matched with the ends of the inserting rod 12 to complete positioning, and the fixing is performed through bolting to ensure the position progress of the installation of the inserting rod 12.

Working principle:

the two inserting rods 12 are arranged in the plug-in unit 1, and the arc protruding blocks 13 are arranged on the inserting rods 12 to be clamped with the clamping grooves 21 in the fastener 2, so that the clamping is completed; the end of the fastener 1 is provided with the supporting component 3, the supporting component 3 is elastically connected with the pressing plate 33 through the spring 34, the pressing plate 33 can interact with the ejector rod 111 in the plug-in unit 1 and can apply pressure to the plug-in unit 1, so that the arc protruding block 13 in the plug-in unit 1 can be tightly attached to the edge of the clamping groove 21, and the purpose of limiting the plug-in unit 1 to move in the plugging direction is achieved; the positioning groove 22 is arranged in the fastener 2 to be matched with the ejector rod 111, so that other degrees of freedom of the plug-in unit 1 except for the plugging direction can be limited, and the clamping between the plug-in unit 1 and the fastener 2 is more stable; the inserted link 12 is fixed with the connecting plate 11 by adopting a bolt connection mode, so that the inserted link 12 can be conveniently and independently replaced without replacing the whole plug-in 1.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides an anti-drop structure for plastic buckle, includes plug-in components (1) and fastener (2), and fastener (2) are the cavity box body that both ends are open and both sides have all been seted up draw-in groove (21), are fixed with two inserted bar (12) of plastics material on plug-in components (1), are provided with circular arc lug (13) on inserted bar (12), can take place the joint when circular arc lug (13) reach draw-in groove (21) department, a serial communication port, the tip of fastener (2) is fixed with box body (31), and one side of box body (31) is provided with clamp plate (33), is fixed with ejector pin (111) on plug-in components (1), and clamp plate (33) can exert pressure to ejector pin (111), makes circular arc lug (13) hug closely at the edge of draw-in groove (21);

one end of the fastener (2) is provided with a positioning groove (22), and the ejector rod (111) is matched with the positioning groove (22).

2. The anti-falling structure for plastic buckle according to claim 1, wherein the box body (31) can be buckled at the end part of the buckle (2) and fixed by a bolt connection mode.

3. The anti-falling structure for plastic buckle according to claim 1 or 2, wherein the box body (31) is provided with at least two guide rods (32), the guide rods (32) penetrate through the pressing plate (33) and are in sliding connection with the pressing plate (33), the springs (34) are sleeved on the guide rods (32), and two ends of each spring (34) are fixedly connected with the pressing plate (33) and the box body (31) respectively.

4. A plastic buckle anti-falling structure according to claim 3, characterized in that one end of the guide rod (32) far away from the box body (31) is fixed with a round table (35), the diameter of the round table (35) is larger than that of the guide rod (32), and under the action of the elasticity of the spring (34), the pressing plate (33) can be tightly attached to the round table (35).

5. The anti-falling structure for plastic buckle according to claim 1, wherein the insert (1) comprises a connecting plate (11), and the insert rod (12) and the connecting plate (11) are fixed by means of bolt connection.

6. The anti-falling structure for plastic buckle according to claim 5, wherein the connecting plate (11) is provided with two limiting grooves (112) which can be respectively matched with the end parts of the two inserted bars (12).