Waist support lock catch convenient to adjust

Abstract

The utility model relates to the field of daily necessities, in particular to a waist support lock catch convenient to adjust, which comprises an upper cover plate used for being connected with a belt, a mounting wall is formed at the upper end of the upper cover plate, a rotatable tooth block is mounted on the inner side of the mounting wall, and a gap for an adjusting belt to pass through is arranged between one end of the tooth block and the upper cover plate. The adjusting belt is clamped in the gap between the tooth block and the upper cover plate, the tooth block clamps the adjusting belt through the action of the torsional spring, the locking effect of the lock catch is ensured, meanwhile, the handle is rotated to press one end of the tooth block, the gap between the tooth block and the upper cover plate is enlarged, and therefore the adjusting belt can be adjusted, and the locking effect of the lock catch is improved. Therefore, limitation on the adjusting belt can be relieved easily, and stepless adjustment of a product is achieved.

Description

Technical Field

[0001] The utility model relates to the field of belt buckles, in particular to a waist protection buckle which is convenient to adjust. Background Art

[0002] Belts are daily necessities for people. During use, the belts are loosened or tightened through buckles to make them work. Therefore, the buckles play a key role in the belts. The basic principle of the belt buckles currently used is mostly the buttonhole type. The disadvantage of the buttonhole type positioning is that holes must be dug on the belt surface, which causes great damage to the belt surface and the belt tightness cannot be adjusted steplessly.

[0003] For example, a Chinese utility model with a publication number of CN219438360U discloses an easily adjustable and secure belt buckle, comprising a buckle head, wherein the outer wall of the buckle head is provided with a fixing assembly; the fixing assembly comprises an outer frame limiting rod, a plurality of first mounting grooves, a limiting column, a fixing plate, a second mounting groove and a fixing piece, the outer frame limiting rod is rotatably mounted on the outer wall of the buckle head, a plurality of the first mounting grooves are opened on one side of the outer frame limiting rod, the limiting column is slidably mounted on the groove wall of the first mounting groove, a plurality of the fixing plates are fixedly mounted on one side of the outer frame limiting rod, the second mounting grooves are all opened on one side of the fixing plate, and the fixing piece is slidably mounted on the groove wall of the second mounting groove.

[0004] The second spring support fixing part on the fixing plate of the product pops out of the second installation groove and is inserted into the fixing holes on both sides of the belt frame, so as to fix the outer frame limit rod so that the outer frame limit rod is not easy to loosen. When the belt needs to be adjusted, the buckle head is driven back to its position by bending the outer frame limit rod, and the buckle head is separated from the belt, so that the belt can be loosened and adjusted. However, the product requires many parts and has a complex structure, so it is necessary to make further improvements to the product. Summary of the invention

[0005] The utility model aims to provide a waist protection buckle which is convenient to adjust, so as to solve the problem of complicated belt buckle structure in the prior art.

[0006] The purpose of the utility model is achieved as follows: a waist buckle that is easy to adjust includes an upper cover plate for connecting with a belt, a mounting wall is formed on the upper end of the upper cover plate, a rotatable tooth block is installed on the inner side of the mounting wall, a gap is provided between one end of the tooth block and the upper cover plate for the adjustment belt to pass through, and a torsion spring is provided on the inner side of the mounting wall.

[0007] Preferably, a pin is provided on the inner side of the installation wall, the torsion spring is installed on the outer periphery of the pin, and the tooth block is also movably installed on the outer periphery of the pin.

[0008] Preferably, a plurality of fixed teeth are formed on one end of the tooth block, and a pressing portion is provided on the other end of the tooth block.

[0009] Preferably, a mounting groove for accommodating the torsion spring is formed at the lower end of the tooth block.

[0010] Preferably, one end of the torsion spring abuts against the upper cover plate, and the other end of the torsion spring abuts against the tooth block.

[0011] Preferably, a threaded pin is provided on one side of the installation wall, and a rotatable handle is installed on the outer periphery of the threaded pin.

[0012] Preferably, the handle comprises a support arm, one end of the support arm is formed with a limiting protrusion, and a side of the mounting wall close to the threaded pin is formed with a limiting groove for the limiting protrusion to be inserted into.

[0013] Preferably, the upper cover plate is provided with a plurality of through holes, and screws are arranged in the through holes.

[0014] Preferably, the upper cover plate is connected to the bottom plate via the screws, and the belt is fixedly installed between the upper cover plate and the bottom plate.

[0015] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0016] The utility model clamps the adjusting belt into the gap between the tooth block and the upper cover plate, and through the action of the torsion spring, the tooth block clamps the adjusting belt to ensure the locking effect of the lock buckle. At the same time, by turning the handle to press one end of the tooth block, the gap between the tooth block and the upper cover plate becomes larger, so that the restriction on the adjusting belt can be easily released, and the product can be adjusted steplessly. The utility model has a simple structure and is easy to use. In the prior art, the outer frame type limit rod is fixed by clamping a fixing piece into a fixing hole, but this method easily makes the fixing piece stuck in the fixing hole and cannot be removed, affecting the use effect of the lock buckle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure in which the handle is pressed onto the adjustment belt.

[0018] Figure 2 It is a schematic diagram of the structure in which the handle is pressed onto the gear block.

[0019] Figure 3 It is an exploded view of the utility model.

[0020] Figure 4 A schematic diagram of the structure of the handle.

[0021] Figure 5 It is a structural schematic diagram of the upper cover.

[0022] Figure 6 It is a schematic diagram of the structure of the gear block.

[0023] Figure 7 for Figure 4 A schematic diagram of the enlarged structure in the middle.

[0024] Figure 8 It is a structural schematic diagram of the gear block installed in the upper cover plate.

[0025] Figure numerals: 1-upper cover; 2-mounting wall; 3-tooth block; 4-handle; 5-fixing tooth; 6-pin shaft; 7-torsion spring; 8-threaded pin; 9-limiting protrusion; 10-limiting groove; 11-through hole; 12-screw; 13-bottom plate; 14-gap; 15-adjusting belt; 16-pressing part; 17-mounting groove; 18-support arm; 19-belt. DETAILED DESCRIPTION

[0026] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0027] like Figure 1 and Figure 3 As shown, it includes an upper cover plate 1 for connecting with a belt 19, a mounting wall 2 is formed at the upper end of the upper cover plate 1, a rotatable tooth block 3 is installed on the inner side of the mounting wall 2, a gap 14 for an adjusting belt 15 to pass through is arranged between one end of the tooth block 3 and the upper cover plate 1, a torsion spring 7 is arranged on the inner side of the mounting wall 2, one end of the adjusting belt 15 of this product is fixedly mounted on the belt 19, so in actual use, the belt 19 can be driven to move by pulling the adjusting belt 15, so as to achieve the effect of adjusting the tightness of the belt 19, which is an existing structure of the belt, by clamping the other end of the adjusting belt 15 into the gap 14 between the tooth block 3 and the upper cover plate 1, and through the action of the torsion spring 7, without the influence of external force, the tooth block 3 automatically clamps the adjusting belt 15 to ensure the locking effect of the lock buckle, when it is necessary to adjust the length of the belt, by pressing the rear end of the tooth block 3, it rotates and the gap between the tooth block and the upper cover plate becomes larger, so that the restriction on the adjusting belt can be easily released, and the stepless adjustment of the belt length can be achieved by pulling the adjusting belt.

[0028] The connection method between the gear block 3 and the upper cover plate 1 is specifically a pin connection, combined with Figure 3 A pin shaft 6 is arranged on the inner side of the upper cover plate 1, and the torsion spring 7 is installed on the outer periphery of the pin shaft 6. The tooth block 3 is also movably installed on the outer periphery of the pin shaft 6. The pin shaft 6 is used for connection to make the rotation of the tooth block 3 more flexible. At the same time, the torsion spring 7 is used to keep the tooth block 3 in a locked state, which is convenient for users to use.

[0029] Further, such as Figure 6 and Figure 8As shown, a plurality of fixed teeth 5 are formed at one end of the tooth block 3, and a pressing portion 16 is provided at the other end of the tooth block 3. By providing the fixed teeth 5, the friction between the adjustment belt 15 and the tooth block 3 can be increased, so that the adjustment belt 15 is not easy to loosen and fall off.

[0030] Further, such as Figure 6 As shown, a mounting groove 17 for accommodating the torsion spring 7 is provided at the lower end of the tooth block 3. By installing the torsion spring 7 into the mounting groove 17, space is effectively saved and the overall product is more beautiful.

[0031] Furthermore, in order to ensure the locking effect of the lock, Figure 8 One end of the torsion spring 7 abuts against the upper cover plate 1, and the other end of the torsion spring 7 abuts against the tooth block 3. By installing the torsion spring 7 between the upper cover plate 1 and the tooth block 3, under the action of the torsion spring 7, the product is in a locked state under normal conditions.

[0032] The handle 4 is connected to the upper cover plate 1 through a threaded pin 8. Figure 1 and Figure 3 A threaded pin 8 is provided on one side of the mounting wall 2, and a rotatable handle 4 is installed on the outer periphery of the threaded pin 8. By providing the threaded pin 8, the handle 4 can rotate with the threaded pin 8 as the center of the circle, which has a simple structure and is easy to operate.

[0033] Furthermore, the handle 4 is limited by providing a limiting protrusion 9 and a limiting slot 10 to prevent it from rotating easily. Figure 5 and Figure 7 As shown, the handle 4 includes a support arm 18, one end of the support arm 18 is formed with a limiting protrusion 9, and the side of the mounting wall 2 close to the threaded pin 8 is formed with a limiting groove 10 for the limiting protrusion 9 to be inserted into. In the locked state, the limiting protrusion 9 is engaged with the limiting groove 10, so that the handle 4 is fixed as shown in FIG. Figure 1 Position shown.

[0034] Further, combined with Figure 1 , one end of the handle 4 is pressed on the adjustment belt 15, which can further limit the movement of the adjustment belt 15 in the locked state; Figure 2 As shown, when the length of the belt 19 needs to be adjusted, the handle 4 is rotated to squeeze the pressing portion 16 on the tooth block 3. At this time, the tooth block 3 can be rotated with a slight force, and the gap 14 between the tooth block 3 and the upper cover plate 1 is expanded, and the lock is released, which is convenient for the user to adjust the lock, thereby achieving the purpose of adjusting the belt length.

[0035] To install the upper cover 1 onto the belt, Figure 1 and Figure 3As shown, a plurality of through holes 11 are provided on both sides of the upper cover plate 1, screws 12 are provided in the through holes 11, the upper cover plate 1 is connected to the bottom plate 13 through the screws 12, a belt 19 is fixedly installed between the upper cover plate 1 and the bottom plate 13, and the upper cover plate 1 is fixed to the belt by the cooperation of the screws 12 and the through holes 11, which is simple to disassemble and convenient to replace.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A conveniently adjustable waist buckle, characterized in that: The invention comprises an upper cover plate (1) for connecting with a belt (19), a mounting wall (2) is formed on the upper end of the upper cover plate (1), a rotatable tooth block (3) is mounted on the inner side of the mounting wall (2), a gap (14) for an adjusting belt (15) to pass through is arranged between one end of the tooth block (3) and the upper cover plate (1), and a torsion spring (7) is arranged on the inner side of the mounting wall (2).

2. The conveniently adjustable waist buckle according to claim 1, characterized in that: A pin shaft (6) is arranged on the inner side of the installation wall (2), the torsion spring (7) is installed on the outer periphery of the pin shaft (6), and the tooth block (3) is also movably installed on the outer periphery of the pin shaft (6).

3. A conveniently adjustable waist buckle according to claim 1 or 2, characterized in that: A plurality of fixed teeth (5) are formed on one end of the tooth block (3), and a pressing portion (16) is provided on the other end of the tooth block (3).

4. The conveniently adjustable waist buckle according to claim 1 or 2, characterized in that: The lower end of the tooth block (3) is provided with a mounting groove (17) for accommodating the torsion spring (7).

5. The conveniently adjustable waist buckle according to claim 1 or 2, characterized in that: One end of the torsion spring (7) abuts against the upper cover plate (1), and the other end of the torsion spring (7) abuts against the tooth block (3).

6. The conveniently adjustable waist buckle according to claim 1, characterized in that: A threaded pin (8) is provided on one side of the installation wall (2), and a rotatable handle (4) is installed on the outer periphery of the threaded pin (8).

7. The conveniently adjustable waist buckle according to claim 6, characterized in that: The handle (4) comprises a support arm (18), one end of which is formed with a limiting protrusion (9), and a side of the mounting wall (2) close to the threaded pin (8) is formed with a limiting groove (10) for the limiting protrusion (9) to be inserted into.

8. The conveniently adjustable waist buckle according to claim 1, characterized in that: A plurality of through holes (11) are provided on both sides of the upper cover plate (1), and screws (12) are arranged in the through holes (11).

9. The conveniently adjustable waist buckle according to claim 8, characterized in that: The upper cover plate (1) is connected to the bottom plate (13) via the screws (12), and the belt (19) is fixedly installed between the upper cover plate (1) and the bottom plate (13).

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