Rapid and convenient fastening device for pressing cam teeth

Abstract

The utility model discloses a rapid and convenient fastening device for pressing a cam tooth. The rapid and convenient fastening device comprises a fastener and a movable braid assembly, a movable braid assembly is arranged at one end of the fastener, a fixed braid assembly is arranged at the other end of the fastener, and a fastening structure is arranged at the top end of the fastener; the fastening structure comprises a base, the base is installed between the fixed braid assembly and the movable braid assembly, a connecting hole is formed in one end of the base, and a side edge is fixed to one side of the top end of the base. Through the arrangement of the fastening structure, when the movable braid assembly is fastened, the pressing plate can be quickly mounted through the matched use of the limiting pin, the shaft sleeve and the limiting hole, so that the pressing plate is more convenient to mount, and through the L-shaped arrangement of the fastener, the pressing plate is more convenient to mount. The movable braid assembly braid can be rapidly inserted into or detached from the side face, and therefore the movable braid assembly braid can be more convenient to install and detach.

Description

TECHNICAL FIELD

[0001] The utility model relates to quick and convenient fastening device technical field, especially in a kind of cam tooth press-in quick and convenient fastening device. BACKGROUND

[0002] Belt buckle is used to connect, fixed buckle, plays an important role in many fields, is a kind of tool for quickly fixing and tightening belt, commonly used in clothing, luggage packaging industry etc. Such as wind coat's waist rope, backpack shoulder strap and cargo fastening package etc., however, there are still some problems in the use of traditional belt buckle;

[0003] Traditional market regular buckle needs to press down pressure plate when connecting, belt head passes through middle hole, turns 90 degrees, passes through the gap between pressure plate tooth top and U-shaped base inner bottom surface, so that its operation step is complicated, and it is very troublesome to operate, thus a kind of cam tooth press-in quick and convenient fastening device is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of cam tooth press-in quick and convenient fastening device to solve the defect that existing regular buckle is more troublesome when connecting belt.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of cam tooth press-in quick and convenient fastening device, including fastener and movable belt assembly;One end of the fastener is provided with movable belt assembly, the other end of the fastener is provided with fixed belt assembly, the top of the fastener is provided with fastening structure;The fastening structure includes base, the base is installed at the intermediate position of fixed belt assembly and movable belt assembly, the inside of one end of the base is provided with connecting hole, one side of the top of the base is fixed with side, one side of the side is fixed with fixed pin shaft, the outside of the fixed pin shaft is installed with return spring, the outside of the return spring is installed with pressure plate, the inside of the pressure plate is provided with through-hole, one end of the pressure plate is fixed with fixed panel, one end of the pressure plate is provided with cam tooth, one side of the bottom of the base is provided with belt entry, one side of the inside of the belt entry is installed with anti-skid convex tooth, one end of the belt entry is provided with second limit side, one side of one end of the base is provided with first limit side, the surface of one end of the inside of the base is provided with anti-skid tooth.

[0006] Preferably, the inside of one end of the fixed pin shaft is provided with limit hole, the outside of one end of the through-hole is installed with shaft sleeve, the inside of the shaft sleeve is provided with through slot, the inside of the through slot is installed with limit pin, one end of the limit pin is inserted into the inside of limit hole through through slot.

[0007] Preferably, the limiting pin is inserted into the inside of the through slot, and a limiting structure is formed between the limiting pin and the limiting hole.

[0008] Preferably, the fixed pin shaft is inserted into the inside of the through hole, and a movable connection is formed between the fixed pin shaft and the through hole.

[0009] Preferably, the plurality of groups of anti-skid teeth are arranged at equal intervals at one end of the inner surface of the fastener.

[0010] Preferably, one end of the reset spring is clamped to the bottom end of the pressing plate, and an extension structure is formed between the reset spring and the pressing plate.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] By setting the fastening structure, when the movable webbing assembly is fastened, the pressing plate can be quickly installed through the cooperation of the limiting pin, the shaft sleeve and the limiting hole, which makes the installation of the pressing plate more convenient, and through the setting of the fastener L-shaped, the movable webbing assembly can be quickly inserted or disassembled from the side, which makes the installation and disassembly more convenient.

[0013] Further, through the cooperation of the reset spring, the cam tooth and the limiting hole, after the webbing is tightened around the goods, the webbing at one end of the movable webbing assembly can be clamped through the cooperation of the cam tooth and the anti-skid tooth, which makes the fixing of the webbing more convenient and has better fixing effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the fastener of the utility model;

[0015] Figure 2 It is a first exploded three-dimensional structure schematic view of the fastener of the utility model;

[0016] Figure 3 It is a second exploded three-dimensional structure schematic view of the fastener of the utility model;

[0017] Figure 4 It is a side view structure schematic view of the utility model;

[0018] Figure 5 It is a three-dimensional structure schematic view of the base of the utility model;

[0019] Figure 6 It is a three-dimensional structure schematic view of the pressing plate of the utility model;

[0020] Figure 7 It is an exploded three-dimensional structure schematic view of the movable pin shaft of the utility model;

[0021] Figure 8 The utility model discloses a U-shaped base three-dimensional structure schematic view.

[0022] In the drawing: 1, fastener, 2, fixed braid assembly, 3, movable braid assembly, 4, fastening structure, 401, base, 402, connecting hole, 403, side, 404, fixed pin shaft, 405, limit hole, 406, reset spring, 407, pressing plate, 408, limit pin, 409, shaft sleeve, 4010, through slot, 4011, cam tooth, 4012, through hole, 4013, belt entry, 4014, first limit edge, 4015, anti-skid tooth, 4016, fixed panel, 4017, pin shaft movable hole, 4018, second limit edge, 4019, anti-skid convex tooth. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0024] The utility model embodiment provides a cam tooth presss from both sides tight fastening device, as shown in Figures 1-8 The other end of fastener 1 is provided with fixed braid assembly 2, and the top end of fastener 1 is provided with fastening structure 4.

[0025] The top end of the fastener 1 is provided with a fastening structure 4; the fastening structure 4 comprises a base 401 which is installed at the middle position of the fixed belt assembly 2 and the movable belt assembly 3, the inside of one end of the base 401 is provided with a connecting hole 402, one side of the top end of the base 401 is fixedly provided with a side edge 403, one side of the side edge 403 is fixedly provided with a fixed pin shaft 404, the outside of the fixed pin shaft 404 is installed with a reset spring 406, the outside of the reset spring 406 is installed with a pressing plate 407, the inside of the pressing plate 407 is provided with a through hole 4012, one end of the pressing plate 407 is fixedly provided with a fixed panel 4016, one end of the pressing plate 407 is provided with a cam tooth 4011, one side of the bottom of the base 401 is provided with a belt passing inlet 4013, one side of the inside of the belt passing inlet 4013 is installed with an anti-skid convex tooth 4019, one end of the belt passing inlet 4013 is provided with a second limiting edge 4018, the use of the second limiting edge 4018 can prevent the belt from sliding out from the side under stress; one side of one end of the base 401 is provided with a first limiting edge 4014, the surface of the inside of one end of the base 401 is provided with an anti-skid tooth 4015; the inside of one end of the fixed pin shaft 404 is provided with a limiting hole 405, the outside of one end of the through hole 4012 is installed with a shaft sleeve 409, the inside of the shaft sleeve 409 is provided with a through slot 4010, the inside of the through slot 4010 is installed with a limiting pin 408, one end of the limiting pin 408 is inserted into the inside of the limiting hole 405 through the through slot 4010; the limiting pin 408 is inserted into the inside of the limiting hole 405 through the through slot 4010, a limiting structure is formed between the limiting pin 408 and the limiting hole 405, the fixed pin shaft 404 is inserted into the inside of the through hole 4012, and a movable connection is formed between the fixed pin shaft 404 and the through hole 4012; the anti-skid tooth 4015 is provided with a plurality of groups, the plurality of groups of anti-skid teeth 4015 are arranged at equal intervals at one end of the inside surface of the fastener 1, one end of the reset spring 406 clamps the bottom end of the pressing plate 407, and a telescopic structure is formed between the reset spring 406 and the pressing plate 407;

[0026] In the further preferred embodiment 1 of the utility model, Figures 1-6As shown: when the goods are fastened, first, one end of the fixed tape assembly 2 is fixed with the connecting hole 402, after the fixing is completed, the fixed panel 4016 is pressed, so that the pressing plate 407 extrudes the return spring 406 to be compressed, and the cam tooth 4011 at one end of the pressing plate 407 is opened between the anti-skid tooth 4015, because the base 401 is L-shaped, the tape inlet 4013 is opened on one side of the base 401, so the tape at one end of the movable tape assembly 3 is passed through the tape inlet 4013 on one side of the base 401, and then the tape at one end is pulled to tighten the goods, after the goods are tightened, the pressing force of the fixed panel 4016 is released, at this time, under the action of the return spring 406, the cam tooth 4011 will press the tape at one end of the movable tape assembly 3 to be fixed, according to the cam mechanism principle, combined with the drawing, the tape will be tightly pressed, so as to complete the binding, at this time, the use of the second limiting edge 4018 can prevent stress, the tape slides out from the side of the tape inlet 4013, the use of the anti-skid convex tooth 4019 can increase the friction of the tape, so that the tape is not easy to slide, when it is needed to be released, the fixed panel 4016 is pressed again, that is, the binding is quickly and conveniently released, so that it is more convenient to install the tape, and the operation is more convenient;

[0027] In the further preferred embodiment 2 of the utility model, Figures 7-8 As shown: when the tape is fixed, the fixed tape assembly 2 is still fixed first, when the movable tape assembly 3 is fixed, because the fixed pin shaft 404 and the pin shaft movable hole 4017 are movably connected, and the base 401 is U-shaped, the tape inlet 4013 is arranged on one side of the bottom end of the base 401, at this time, when the tape at one end of the movable tape assembly 3 is fixed, the fixed panel 4016 is pressed, the cam tooth 4011 at one end of the pressing plate 407 is opened between the anti-skid tooth 4015, then one end of the movable tape assembly 3 is inserted into the middle of the cam tooth 4011 and the anti-skid tooth 4015 from one side of the fastener 1, then the tape is pulled tight to tighten the goods, the cam tooth 4011 clamps the tape at one end of the movable tape assembly 3 by releasing the pressing plate 407, so as to complete the fastening of the tape, through the use of the above two embodiments, the problem that the conventional snap fastener is troublesome in fastening operation can be solved, so that the fastening of the tape is more rapid and convenient.

[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A cam tooth clamping fastening device for quick and convenient fastening, characterized in that: Includes a fastener (1) and a movable webbing assembly (3); One end of the fastener (1) is provided with a movable webbing assembly (3), the other end of the fastener (1) is provided with a fixed webbing assembly (2), and the top end of the fastener (1) is provided with a fastening structure (4). The fastening structure (4) includes a base (401), which is installed at the middle position between the fixed webbing assembly (2) and the movable webbing assembly (3). A connecting hole (402) is provided inside one end of the base (401). A side edge (403) is fixed to one side of the top of the base (401), and a fixing pin (404) is fixed to one side of the side edge (403). A return spring (406) is installed on the outside of the fixing pin (404), and a pressure plate (407) is installed on the outside of the return spring (406). A through hole is provided inside the pressure plate (407). 4012), a fixed panel (4016) is fixed to one end of the pressure plate (407), a cam tooth (4011) is provided at one end of the pressure plate (407), a strap inlet (4013) is provided on one side of the bottom of the base (401), an anti-slip protrusion (4019) is installed on one side inside the strap inlet (4013), a second limiting edge (4018) is provided at one end of the strap inlet (4013), a first limiting edge (4014) is provided on one side of one end of the base (401), and anti-slip teeth (4015) are provided on the surface of one end inside the base (401).

2. The cam tooth clamping quick and convenient fastening device according to claim 1, characterized in that: A limiting hole (405) is provided inside one end of the fixed pin (404). A bushing (409) is installed on the outer side of one end of the through hole (4012). A through groove (4010) is provided inside the bushing (409). A limiting pin (408) is installed inside the through groove (4010). One end of the limiting pin (408) passes through the through groove (4010) and is inserted into the limiting hole (405).

3. The cam tooth clamping quick and convenient fastening device according to claim 2, characterized in that: The limiting pin (408) is inserted into the limiting hole (405) through the through groove (4010), and the limiting pin (408) and the limiting hole (405) form a limiting structure.

4. The cam tooth clamping quick and convenient fastening device according to claim 3, characterized in that: The fixed pin (404) is inserted into the interior of the through hole (4012), and the fixed pin (404) and the through hole (4012) form a movable connection.

5. The cam tooth clamping quick and convenient fastening device according to claim 3, characterized in that: The anti-slip teeth (4015) are provided in multiple sets, and the multiple sets of anti-slip teeth (4015) are arranged at equal intervals at one end of the inner surface of the fastener (1).

6. The cam tooth clamping quick and convenient fastening device according to claim 1, characterized in that: One end of the return spring (406) is stuck to the bottom end of the pressure plate (407), and the return spring (406) and the pressure plate (407) form a telescopic structure.

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