Plastic buckle with buffer mechanism

Abstract

The utility model relates to the technical field of plastic buckles, in particular to a plastic buckle with a buffer mechanism, which comprises a positioning piece and a fastening piece, the outer surface of the positioning piece is fixedly connected with a connecting plate, the outer surface of the connecting plate is slidably connected with a clamping plate, the side surface of the clamping plate is provided with a chute, and the fastening piece is fixedly connected with the chute. The inner sides of the sliding grooves are fixedly connected with fixing columns. When the positioning piece or the fastening piece is subjected to large pulling force, the fastening piece can move in the direction away from the positioning piece, the clamping block is connected with the clamping groove in a clamped mode, the clamping block can slide in the direction away from the positioning piece on the side face of the clamping plate, and therefore the sliding block can slide on the inner side of the sliding groove, and the clamping piece can move in the direction away from the positioning piece. And the adjusting column is driven to slide on the inner side of the fixing column, so that the first spring deforms, the buffering effect is achieved, and the situation that the clamping block falls off from the clamping plate due to sudden too large tension, and the buckle is damaged is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic buckles, in particular to a plastic buckle with a buffer mechanism. Background Art

[0002] A snap-fit ​​connection is a mechanism used to embed or lock one part with another part. It is usually used to connect plastic parts. Its material is usually made of plastic material with a certain degree of flexibility. The biggest feature of the snap-fit ​​connection is that it is easy to install and disassemble, and can be disassembled without tools.

[0003] Generally speaking, the buckle is composed of a positioning piece and a fastener. However, since the buckle has no buffer mechanism, in actual application, once the buckle is subjected to a large tensile force, it will break, which will cause the positioning piece to separate from the fastener, making it impossible to connect the plastic part. It needs to be replaced, which affects its use effect. Utility Model Content

[0004] The purpose of the utility model is to provide a plastic clip with a buffer mechanism to solve the problem in the above background technology that since the clip has no buffer mechanism, once the clip is subjected to a large tensile force during actual application, it will break, thereby causing the positioning part and the fastener to separate, thereby making it impossible to connect the plastic parts.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a plastic buckle with a buffer mechanism, comprising a positioning piece and a fastener, the outer surface of the positioning piece is fixedly connected to a connecting plate, the outer surface of the connecting plate is slidably connected to a card plate, a side of the card plate is provided with a slide groove, the inner side of the slide groove is fixedly connected to a fixing column, the inner side of the fixing column is fixedly connected to a spring 1, the outer end of the spring 1 is fixedly connected to an adjusting column, the outer surface of the adjusting column is fixedly connected to a slider, the outer surface of the slider is fixedly connected to a card block, and a side of the fastener is provided with a card groove.

[0006] Preferably, a connecting groove is provided on the inner side of the connecting plate, a second spring is fixedly connected to the inner side of the connecting groove, and a moving block is fixedly connected to the outer surface of the second spring.

[0007] Preferably, the card plate is in the shape of an elongated strip, and is in two groups slidably connected to the two ends of the connecting plate, and the card plate is slidably connected to the inner side of the fastener. Its function is to slide and press the two groups of card plates so that the moving block slides on the inner side of the connecting groove, so that the two groups of card plates slide on the outer surface of the connecting plate toward each other, so that the card plate can be inserted into the inner side of the fastener, preventing the two groups of card plates from being directly pressed and causing the card plates to break.

[0008] Preferably, the slide groove is a "convex" shaped groove, the fixed column and the adjusting column are both cylindrical in shape, the inner side of the fixed column is hollow, and the adjusting column is slidably connected to the inner side of the fixed column, and its function is to allow the slider to slide on the inner side of the slide groove by sliding the adjusting column on the inner side of the fixed column.

[0009] Preferably, the spring is in a spiral shape, one end of the spring is fixedly connected to the adjusting column, and the other end of the adjusting column is fixedly connected to the inner side of the fixing column. Its function is that when the positioning member or the fastener is subjected to a large pulling force, the fastener will move in the direction away from the positioning member. Since the card block is engaged with the card slot, the card block will slide on the side of the card plate in the direction away from the positioning member, so that the slider will slide on the inner side of the slide slot, thereby driving the adjusting column to slide on the inner side of the fixing column, so that the spring is deformed, so that it has a buffering effect.

[0010] Preferably, the slider is in the shape of a "convex" block, and the slider is slidably connected to the inner side of the slide groove. The clamping block is in the shape of a block, and the clamping block is clamped and connected to the clamping groove. Its function is to connect the positioning piece with the fastener through the clamping connection between the clamping block and the clamping groove.

[0011] Preferably, the connecting groove is a "convex" shaped groove, the moving block is a "convex" shaped block, the moving block slides on the inner side of the connecting groove, the spring 2 is spirally shaped, and the spring 2 is fixedly connected between the moving block and the inner side of the connecting groove A. Its function is to make the two sets of card plates reset under the elastic action of the spring 2 when the card plate is inserted into the inner side of the fastener, so that the card block is engaged and connected with the card slot.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By sliding the cards on both sides of the connecting plate, the two sets of cards are moved toward each other, so that the cards can be inserted into the inner side of the fastener, and then the card blocks are engaged and connected in the card grooves opened on the side of the fastener, so that the positioning piece and the fastener are fixedly connected. When the positioning piece or the fastener is subjected to a large pulling force, the fastener will move in the direction away from the positioning piece. Since the card blocks are engaged and connected with the card grooves, the card blocks will slide on the side of the card plates in the direction away from the positioning piece, so that the slider will slide on the inner side of the slide groove, thereby driving the adjusting column to slide on the inner side of the fixed column, so that the spring is deformed, so that it has a buffering effect to prevent the pulling force from being too large suddenly, causing the card blocks to fall off from the card plates and damage the buckle.

[0014] 2. By sliding and pressing the two sets of card plates, the moving block slides on the inner side of the connecting groove, so that the card plate can be inserted into the inner side of the fastener. After being inserted into the inner side of the fastener, the two sets of card plates are reset under the elastic action of spring 2, so that the card block is engaged and connected with the card slot, preventing the two sets of card plates from being directly pressed, causing the card plates to break and causing damage to the buckle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a side perspective schematic diagram of the structure of the utility model;

[0017] Figure 3 For this utility model Figure 1 A three-dimensional schematic diagram of the connection structure between the central positioning member and the fastener;

[0018] Figure 4 For this utility model Figure 3 A three-dimensional schematic diagram of the local structure of the middle positioning member;

[0019] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure at point A in the middle.

[0020] In the figure: 1. positioning member; 2. connecting plate; 3. clamping plate; 4. slide groove; 5. fixing column; 6. spring 1; 7. adjusting column; 8. sliding block; 9. clamping block; 10. connecting groove; 11. spring 2; 12. moving block; 13. clamping groove; 14. fastener. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 , an embodiment provided by the utility model:

[0023] A plastic buckle with a buffer mechanism comprises a positioning member 1 and a fastener 14, wherein the outer surface of the positioning member 1 is fixedly connected to a connecting plate 2, the outer surface of the connecting plate 2 is slidably connected to a card plate 3, a side of the card plate 3 is provided with a slide groove 4, the inner side of the slide groove 4 is fixedly connected to a fixing column 5, the inner side of the fixing column 5 is fixedly connected to a spring 6, the outer end of the spring 6 is fixedly connected to an adjusting column 7, the outer surface of the adjusting column 7 is fixedly connected to a slider 8, the outer surface of the slider 8 is fixedly connected to a clamping block 9, and a side of the fastener 14 is provided with a clamping groove 13.

[0024] Furthermore, a connecting groove 10 is formed on the inner side of the connecting plate 2 , a second spring 11 is fixedly connected to the inner side of the connecting groove 10 , and a moving block 12 is fixedly connected to the outer surface of the second spring 11 .

[0025] Furthermore, the card plate 3 is in the shape of an elongated strip, and the card plate 3 is slidably connected to the two ends of the connecting plate 2 in two groups, and the card plate 3 is slidably connected to the inner side of the fastener 14. Its function is to slide and press the two groups of card plates 3 so that the moving block 12 slides on the inner side of the connecting groove 10, so that the two groups of card plates 3 slide toward each other on the outer surface of the connecting plate 2, so that the card plate 3 can be inserted into the inner side of the fastener 14, preventing the two groups of card plates 3 from being directly pressed, causing the card plates 3 to break.

[0026] Furthermore, the slide groove 4 is a "convex" groove, the fixed column 5 and the adjusting column 7 are both cylindrical in shape, the inner side of the fixed column 5 is hollow, and the adjusting column 7 is slidably connected to the inner side of the fixed column 5. Its function is to allow the slider 8 to slide on the inner side of the slide groove 4 by sliding the adjusting column 7 on the inner side of the fixed column 5.

[0027] Furthermore, the spring 16 is in a spiral shape, one end of the spring 16 is fixedly connected to the adjusting column 7, and the other end of the adjusting column 7 is fixedly connected to the inner side of the fixing column 5. Its function is that when the positioning member 1 or the fastener 14 is subjected to a large tensile force, the fastener 14 will move in the direction away from the positioning member 1. Since the block 9 is engaged with the slot 13, the block 9 will slide on the side of the card plate 3 in the direction away from the positioning member 1, so that the slider 8 will slide on the inner side of the slide groove 4, thereby driving the adjusting column 7 to slide on the inner side of the fixing column 5, so that the spring 16 is deformed, so that it has a buffering effect.

[0028] Furthermore, the slider 8 is in a "convex" block shape, and the slider 8 is slidably connected to the inner side of the slide groove 4. The clamping block 9 is in a block shape, and the clamping block 9 is engaged with the clamping groove 13. Its function is to connect the clamping block 9 with the clamping groove 13 so that the positioning member 1 and the fastener 14 can be installed and connected.

[0029] Furthermore, the connecting groove 10 is a "convex" groove, the moving block 12 is a "convex" block, the moving block 12 slides on the inner side of the connecting groove 10, the spring 11 is spirally shaped, and the spring 11 is fixedly connected between the moving block 12 and the inner side of the connecting groove 10. Its function is to make the two sets of card plates 3 reset under the elastic action of the spring 11 when the card plate 3 is inserted into the inner side of the fastener 14, so that the card block 9 is engaged and connected with the card slot 13.

[0030] Working principle: A connecting plate 2 is fixedly connected to the outer surface of the positioning member 1, a card plate 3 is slidably connected to the outer surface of the connecting plate 2, a slide groove 4 is provided on the side of the card plate 3, a fixing column 5 is fixedly connected to the inner side of the slide groove 4, a spring 16 is fixedly connected to the inner side of the fixing column 5, an adjusting column 7 is fixedly connected to the outer end of the spring 16, a slider 8 is fixedly connected to the outer surface of the adjusting column 7, a card block 9 is fixedly connected to the outer surface of the slider 8, a card groove 13 is provided on the side of the fastener 14, and the card plates 3 on both sides of the sliding connecting plate 2 are made to move in a direction close to each other, so that the card plates 3 can be inserted into the inner side of the fastener 14, and then the card plates 3 can be inserted into the inner side of the fastener 14 through the card The block 9 is engaged in the slot 13 opened on the side of the fastener 14, thereby fixing the positioning member 1 and the fastener 14 together. When the positioning member 1 or the fastener 14 is subjected to a large pulling force, the fastener 14 will move away from the positioning member 1. Since the block 9 is engaged in the slot 13, the block 9 will slide on the side of the card plate 3 in the direction away from the positioning member 1, so that the slider 8 will slide on the inner side of the slide groove 4, thereby driving the adjusting column 7 to slide on the inner side of the fixed column 5, causing the spring 1 6 to deform, so that it has a buffering effect, preventing the pulling force from being too large suddenly, causing the block 9 to fall off from the card plate 3, causing the buckle to be damaged.

[0031] A connecting groove 10 is opened on the inner side of the connecting plate 2, a spring 2 11 is fixedly connected to the inner side of the connecting groove 10, and a moving block 12 is fixedly connected to the outer surface of the spring 2 11. By sliding and pressing the two groups of card plates 3, the moving block 12 slides on the inner side of the connecting groove 10, so that the card plate 3 can be inserted into the inner side of the fastener 14. After being inserted into the inner side of the fastener 14, the two groups of card plates 3 are reset under the elastic action of the spring 2 11, so that the card block 9 is engaged and connected with the card groove 13, preventing the two groups of card plates 3 from being directly pressed, causing the card plates 3 to break and causing damage to the buckle.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A plastic buckle with a buffer mechanism, comprising a positioning member (1) and a fastener (14), characterized in that: The outer surface of the positioning member (1) is fixedly connected to a connecting plate (2), the outer surface of the connecting plate (2) is slidably connected to a card plate (3), a side of the card plate (3) is provided with a slide groove (4), the inner side of the slide groove (4) is fixedly connected to a fixing column (5), the inner side of the fixing column (5) is fixedly connected to a spring 1 (6), the outer end of the spring 1 (6) is fixedly connected to an adjusting column (7), the outer surface of the adjusting column (7) is fixedly connected to a sliding block (8), the outer surface of the sliding block (8) is fixedly connected to a card block (9), and a side of the fastener (14) is provided with a card groove (13).

2. A plastic buckle with a buffer mechanism according to claim 1, characterized in that: A connecting groove (10) is provided on the inner side of the connecting plate (2), a second spring (11) is fixedly connected to the inner side of the connecting groove (10), and a moving block (12) is fixedly connected to the outer surface of the second spring (11).

3. A plastic buckle with a buffer mechanism according to claim 1, characterized in that: The card plate (3) is in the shape of a long strip. The card plate (3) is in two groups and is slidably connected to the two ends of the connecting plate (2). The card plate (3) is slidably connected to the inner side of the fastener (14).

4. A plastic buckle with a buffer mechanism according to claim 3, characterized in that: The slide groove (4) is a convex groove, the fixed column (5) and the adjustment column (7) are both cylindrical, the inner side of the fixed column (5) is hollow, and the adjustment column (7) is slidably connected to the inner side of the fixed column (5).

5. A plastic buckle with a buffer mechanism according to claim 4, characterized in that: The spring one (6) is in a spiral shape, one end of the spring one (6) is fixedly connected to the adjustment column (7), and the other end of the adjustment column (7) is fixedly connected to the inner side of the fixed column (5).

6. A plastic buckle with a buffer mechanism according to claim 5, characterized in that: The slider (8) is in the shape of a "convex" block, and the slider (8) is slidably connected to the inner side of the slide groove (4). The clamping block (9) is in the shape of a block, and the clamping block (9) is clamped and connected to the clamping groove (13).

7. A plastic buckle with a buffer mechanism according to claim 2, characterized in that: The connecting groove (10) is a convex groove, the moving block (12) is a convex block, the moving block (12) slides inside the connecting groove (10), the spring (11) is a spiral shape, and the spring (11) is fixedly connected between the moving block (12) and the inner side of the connecting groove (10).

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