Split-assembly zipper head

Abstract

The invention discloses a split-type assembled zipper head, belonging to the technical field of zipper heads. It comprises a lower cover, an upper cover, a cap, a horse hook and a pull tab; a chain block is provided on the front center line of the lower cover, a pair of lower blocks in an eight-shaped shape are provided on both sides of the rear end of the lower cover, a front hook is provided on the top of the chain block, and a horse hook fixing groove is provided on the front hook; a through hole corresponding to the front hook is provided at the front of the upper cover, a pair of upper blocks in an eight-shaped shape are provided on both sides of the rear end of the upper cover, a step hole with a large upper half and a small lower half is provided in the middle of the upper cover, and a rear hook is provided at the rear of the upper cover. The lower cover, upper cover, cap, horse hook and pull tab are assembled separately, and the cap is pressed together after all parts are assembled in place, and the zipper head body and the horse hook structure can be assembled at one time, so that the assembly is convenient, the production efficiency is improved, and the production cost is saved.

Description

Technical Field

[0001] The invention relates to a split-type assembled zipper head, belonging to the technical field of zipper heads. Background Art

[0002] The zipper is mainly composed of a zipper tape and a zipper head. Each of the two zipper tapes has a row of sprocket teeth. The zipper head can lock and fix the sprocket teeth of the two zipper tapes. The structure of the zipper head consists of an eight-shaped zipper cavity and a chain block located at one end of the zipper cavity. The two rows of sprocket teeth of the zipper tape are inserted into the zipper cavity. When the zipper head moves toward the front chain block, the sprocket teeth will eventually be pressed and locked at the end with a smaller opening. When it moves in the opposite direction, the two sprocket teeth will be separated by the chain block. At present, the structure of the zipper head is mostly an integrated structure. Once a part of the zipper head is damaged, it needs to be replaced as a whole, resulting in waste. There are also some split zipper heads on the market, but these split zipper heads are either too complicated in structure and inconvenient to assemble, which greatly increases the production cost and reduces the production efficiency; or too simple in structure and without a horse hook structure, resulting in inconvenience in use. Therefore, a split-type assembled zipper head is designed, which is easy to assemble and can assemble the zipper head and the horse hook structure at one time. To replace damaged parts, it only needs to be disassembled once, and then new parts can be replaced and assembled. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a split-type assembled zipper head, which solves the problem that the current split-type zipper head has a complex structure and is inconvenient to assemble.

[0004] The technical problem to be solved by the present invention is achieved by adopting the following technical solutions:

[0005] A split-type assembled zipper head, comprising a lower cover, an upper cover, a cap, a horse hook, and a pull tab;

[0006] A chain block is provided on the center line of the front end of the lower cover, a pair of lower blocks in an eight-shaped shape are provided on both sides of the rear end of the lower cover, a front hook is provided on the top of the chain block, and a horse hook fixing groove is provided on the front hook;

[0007] The front part of the upper cover is provided with a through hole corresponding to the front hook, the rear part of the upper cover is provided with a pair of upper stoppers in an eight-shaped shape on both sides, the middle part of the upper cover is provided with a step hole with a large upper part and a small lower part, and the rear part of the upper cover is provided with a rear hook;

[0008] The cap has a U-shaped groove in the middle, a front pressing cavity in the front, a rear pressing cavity in the rear, and a slot hole at the rear end of the rear pressing cavity;

[0009] The horse hook is composed of a fixed part at the front end, a bow-shaped elastic connecting part in the middle, a limiting step part at the rear end, and a locking tooth arranged below the limiting step part, which are connected in sequence;

[0010] A fixing ring is provided at one end of the pull tab;

[0011] The through hole of the upper cover is sleeved on the front hook of the lower cover, the upper block and the lower block correspond to each other to form a zipper cavity, the chain block is supported between the upper cover and the lower cover, the rear pressing cavity of the cap is pressed with the rear hook, the rear hook is inserted into the slot hole, and the front pressing cavity of the cap is pressed with the front hook;

[0012] The fixing part of the horse hook is placed in the horse hook fixing groove of the front hook and is pressed and fixed by the cap. The bow-shaped elastic connecting part of the horse hook and the U-shaped groove of the cap are together covered in the fixing ring of the pull piece. The limiting step part of the horse hook is limited to the upper half of the step hole, and the locking tooth extends into the zipper cavity from the lower half of the step hole.

[0013] As a preferred example, the rearward end of the chain stopper is V-shaped.

[0014] As a preferred example, the side of the latch facing the front part of the chain block is an inclined surface, and the side of the latch facing the rear is a plane. When the latch moves forward, the inclined surface of the latch is bounced up by the zipper teeth. When the latch moves backward, the latch is inserted into the gap of the zipper teeth through the plane to prevent the zipper head from moving.

[0015] As a preferred example, the lower cover and the upper cover are respectively made of any one of metal, plastic steel and plastic.

[0016] The beneficial effects of the present invention are as follows: the lower cover, upper cover, cap, horse hook and pull tab are assembled in a split manner, and the cap is pressed together to form the zipper head body and the horse hook structure after all parts are assembled in place, so the assembly is convenient, the production efficiency is improved and the production cost is saved; since the lower cover, upper cover, cap, horse hook and pull tab are of a split structure, when a part thereof is damaged, the cap can be removed, replaced and then pressed together again, so replacement and maintenance are convenient; in addition, the split parts can be mixed and matched with different materials, so the styles are more abundant, and more styles of zipper heads can be provided without increasing the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the zipper head body;

[0018] Figure 2 This is a schematic diagram of the structure of the horse hook;

[0019] Figure 3 This is a schematic diagram of the structure of the zipper head after it is disassembled;

[0020] Figure 4 This is a schematic diagram of the structure of the zipper head after assembly.

[0021] In the figure: lower cover 1, chain stopper 11, lower stopper 12, front hook 13, horse hook fixing groove 14, upper cover 2, through hole 21, upper stopper 22, step hole 23, rear hook 24, cap 3, front pressed cavity 31, rear pressed cavity 32, slot hole 33, horse hook 4, fixing part 41, bow-shaped elastic connecting part 42, limiting step part 43, latch tooth 44, pull tab 5, fixing ring 51. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects of the present invention easier to understand, the present invention is further described below with reference to specific illustrations.

[0023] like Figure 1-Figure 4 As shown, a split-type assembled zipper head includes a lower cover 1, an upper cover 2, a cap cover 3, a horse hook 4, and a pull tab 5;

[0024] A chain block 11 is provided on the center line of the front end of the lower cover 1, and a pair of lower blocks 12 in an eight-shaped shape are provided on both sides of the rear end of the lower cover 1. A front hook 13 is provided on the top of the chain block 12, and a horse hook fixing groove 14 is provided on the front hook 13;

[0025] The front part of the upper cover 2 is provided with a through hole 21 corresponding to the front hook 13, the rear part of the upper cover 2 is provided with a pair of upper blocks 22 in an eight-shaped shape on both sides, the middle part of the upper cover 2 is provided with a step hole 23 with a large upper half and a small lower half, and the rear part of the upper cover 2 is provided with a rear hook 24;

[0026] A U-shaped groove is provided in the middle of the cap 3, a front pressing cavity 31 is provided in the front, a rear pressing cavity 32 is provided in the rear, and a slot hole 33 is provided at the rear end of the rear pressing cavity 32;

[0027] like Figure 2 As shown, the horse hook 4 is composed of a front fixing portion 41, a middle arched elastic connecting portion 42, a rear limiting step portion 43, and a latching tooth 44 provided below the limiting step portion 43, which are connected in sequence;

[0028] A fixing ring 51 is provided at one end of the pull tab 5;

[0029] The through hole 21 of the upper cover 2 is sleeved on the front hook 13 of the lower cover 1, the upper stopper 22 and the lower stopper 12 correspond to each other to form a zipper cavity, the chain stopper 11 is supported between the upper cover 2 and the lower cover 1, the rear pressing cavity 32 of the cap 3 is pressed with the rear hook 24, the rear hook 24 is inserted into the card slot hole 33, and the front pressing cavity 31 of the cap 3 is pressed with the front hook 13;

[0030] The fixing portion 41 of the horse hook 4 is placed in the horse hook fixing groove 14 of the front hook 13 and is pressed and fixed by the cap 3. The arched elastic connecting portion 42 of the horse hook 4 and the U-shaped groove of the cap 3 are together sleeved in the fixing ring 51 of the pull tab 5. The limiting step portion 43 of the horse hook 4 is limited to the upper half of the step hole 23, and the locking tooth 44 extends into the zipper cavity from the lower half of the step hole 23.

[0031] The rearward end of the chain stopper 11 is V-shaped.

[0032] The side of the latch 44 facing the front chain stopper 11 is an inclined surface, and the side of the latch 44 facing the rear is a flat surface. When the latch 44 moves forward, the inclined surface of the latch 44 is bounced up by the zipper teeth. When the latch 44 moves backward, the latch 44 is inserted into the zipper teeth gap through the flat surface to prevent the zipper head from moving.

[0033] The lower cover 1 and the upper cover 2 are respectively made of any one of metal, plastic steel and plastic.

[0034] A back-through zipper head refers to a zipper head whose side with raised sprocket teeth is opposite to the side where the pull tab 5 is located. The above zipper head structure forms a back-through zipper head by changing the position of the gap between the upper stopper 22 and the lower stopper 12 to accommodate the passage of the zipper tape. The side of the gap close to the pull tab 5 is the back-through zipper head.

[0035] When the zipper head moves, the pull tab 5 is pulled up obliquely forward or backward. At this time, the bow-shaped elastic connection part 42 of the horse hook 4 is pulled up by the pull tab 5, and the latch 44 is pulled out from the zipper teeth gap, and the zipper head can move freely; when the zipper head is stationary, the latch 44 is stuck in the zipper teeth gap under the elastic force of the bow-shaped elastic connection part 42 to prevent the zipper head from moving. Since the side of the latch 44 facing the front chain stopper 11 is an inclined surface, when the latch 44 moves forward, the inclined surface of the latch 44 is bounced up by the zipper teeth, and even if the pull tab 5 is not pulled up obliquely, the zipper head can move smoothly in the zipper sewing direction.

[0036] The lower cover 1, upper cover 2, cap cover 3, horse hook 4, and pull tab 5 are assembled in a split manner. It is only necessary to assemble the parts in place and then press the cap cover 3 to form them in one go. The assembly of the zipper head main body and the horse hook 4 structure can be completed at the same time, which is convenient for assembly, improves production efficiency, and saves production costs. Since the lower cover 1, upper cover 2, cap cover 3, horse hook 4, and pull tab 5 adopt a split structure, when any part is damaged, the cap cover 3 can be removed, replaced, and then pressed together again, which is convenient for replacement and maintenance. In addition, the split parts can be mixed and matched with different materials to have richer styles, and more styles of zipper heads can be provided without increasing the production line.

[0037] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A split assembled zipper head, characterized in that: It includes a lower cover, an upper cover, a cap, a horse hook and a pull tab; A chain block is provided on the center line of the front end of the lower cover, a pair of lower blocks in an eight-shaped shape are provided on both sides of the rear end of the lower cover, a front hook is provided on the top of the chain block, and a horse hook fixing groove is provided on the front hook; The front part of the upper cover is provided with a through hole corresponding to the front hook, the rear part of the upper cover is provided with a pair of upper stoppers in an eight-shaped shape on both sides, the middle part of the upper cover is provided with a step hole with a large upper part and a small lower part, and the rear part of the upper cover is provided with a rear hook; The cap has a U-shaped groove in the middle, a front pressing cavity in the front, a rear pressing cavity in the rear, and a slot hole at the rear end of the rear pressing cavity; The horse hook is composed of a fixed part at the front end, a bow-shaped elastic connecting part in the middle, a limiting step part at the rear end, and a locking tooth arranged below the limiting step part, which are connected in sequence; A fixing ring is provided at one end of the pull tab; The through hole of the upper cover is sleeved on the front hook of the lower cover, the upper block and the lower block correspond to each other to form a zipper cavity, the chain block is supported between the upper cover and the lower cover, the rear pressing cavity of the cap is pressed with the rear hook, the rear hook is inserted into the slot hole, and the front pressing cavity of the cap is pressed with the front hook; The fixing part of the horse hook is placed in the horse hook fixing groove of the front hook and is pressed and fixed by the cap. The bow-shaped elastic connecting part of the horse hook and the U-shaped groove of the cap are together covered in the fixing ring of the pull piece. The limiting step part of the horse hook is limited to the upper half of the step hole, and the locking tooth extends into the zipper cavity from the lower half of the step hole.

2. A split assembled zipper head according to claim 1, characterized in that: The rear end of the chain stopper is V-shaped.

3. The split assembled zipper head according to claim 1, characterized in that: The side of the latch tooth facing the front part of the chain block is an inclined surface, and the side of the latch tooth facing the rear is a plane. When the latch tooth moves forward, the inclined surface of the latch tooth is bounced up by the zipper tooth. When the latch tooth moves backward, the latch tooth is inserted into the zipper tooth gap through the plane to prevent the zipper head from moving.

4. The split assembled zipper head according to claim 1, characterized in that: The lower cover and the upper cover are respectively made of any one of metal, plastic steel and plastic.

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