Nail puller for shoemaking

Abstract

The utility model discloses a nail puller for shoemaking. Comprising a first plier head, a second plier head hinged to the first plier head, a first telescopic handle detachably connected to the rear end of the first plier head, a second telescopic handle detachably connected to the rear end of the second plier head, a first nail pulling component fixedly arranged at the rear end of the first telescopic handle and a second nail pulling component fixedly arranged at the rear end of the second telescopic handle. The nail puller is reasonable in structure, low in manufacturing cost, convenient to use and high in practicability, production workers can adjust the length of the first telescopic handle and the length of the second telescopic handle according to needs of the production workers, the production workers can pull out nails more conveniently, the first nail pulling component and the second nail pulling component can assist the first pliers head and the second pliers head in pulling out U-shaped nails or round nails, and the nail pulling efficiency is improved. And the nail pulling efficiency can be effectively improved. And moreover, when the device disclosed by the utility model is damaged, the damaged part can be independently replaced, so that the use cost can be effectively reduced. The nail puller is suitable for being used when nails are pulled out during shoemaking production.

Description

Technical Field

[0001] The utility model relates to a nail puller, in particular to a nail puller for shoemaking. Background Art

[0002] The lasting process is an important process in the shoemaking production process. The main purpose is to fix the shoe upper and the insole on the shoe last and make them take the required shape. In the lasting process, round nails and U-shaped nails are needed to fix the shoe upper and the sole on the shoe last for subsequent shaping operations. After the sole shaping operation is completed, the round nails and U-shaped nails need to be removed for subsequent shoe upper and sole combination processes. Currently, the tool used for removing round nails and U-shaped nails is a nail puller. However, the existing nail puller usually has the following defects when in use:

[0003] (1) The length of the handle of the existing nail puller is fixed, and the production worker cannot adjust the length of the handle according to his own needs, which makes it inconvenient for the production worker to operate when pulling nails and seriously affects the efficiency of the nail pulling work.

[0004] (2) The jaw head and the handle of the existing nail puller are of an integral structure. When the jaw head or the handle is damaged, the whole nail puller needs to be replaced, which will increase the use cost.

[0005] (3) The nail cap of the round nail is relatively thin, and the thickness of the U-shaped nail is also very thin. The jaw head of the existing nail puller usually cannot easily hold the round nail and the U-shaped nail, which makes it very difficult for the existing nail puller to remove the round nail and the U-shaped nail and seriously affects the efficiency of the nail pulling work. Summary of the Invention

[0006] In order to solve the above deficiencies in the prior art, the utility model aims to provide a nail puller for shoemaking to achieve the purpose of improving work efficiency and reducing use cost.

[0007] To achieve the above purpose, the technical solution adopted by the utility model is as follows: A nail puller for shoemaking, comprising a first jaw head, a second jaw head hinged to the first jaw head, a first telescopic handle detachably connected to the rear end of the first jaw head, a second telescopic handle detachably connected to the rear end of the second jaw head, a first nail-lifting member fixed to the rear end of the first telescopic handle for lifting U-shaped nails, and a second nail-lifting member fixed to the rear end of the second telescopic handle for lifting round nails.

[0008] As a limitation of the utility model, the first telescopic handle includes a first threaded rod threadedly connected to the rear end of the first jaw head, and the first threaded rod is slidably connected to the first handle through a first sliding member; the second telescopic handle includes a second threaded rod threadedly connected to the rear end of the second jaw head, and the second threaded rod is slidably connected to the second handle through a second sliding member.

[0009] As a further limitation of the present utility model, the first sliding member includes a first sliding track fixedly provided on the first handle, a first sliding block slidably connected to the first sliding track, and a first limiting screw threadedly connected to the first sliding block and capable of limiting the first sliding block. One end of the first threaded rod away from the first clamping head is fixedly connected to the first sliding block; the second sliding member includes a second sliding track fixedly provided on the second handle, a second sliding block slidably connected to the second sliding track, a second limiting screw threadedly connected to the second sliding block and capable of limiting the second sliding block. One end of the second threaded rod away from the second clamping head is fixedly connected to the second sliding block.

[0010] As a further limitation of the present utility model, a reset elastic member for opening the first clamping head and the second clamping head is fixedly provided between the rear ends of the first clamping head and the second clamping head.

[0011] As a further limitation of the present utility model, a wrist lanyard is provided on the first handle or a wrist lanyard is provided on the second handle.

[0012] As another limitation of the present utility model, the first nail-pulling member is a conical nail-pulling head.

[0013] As a further limitation of the present utility model, the second nail-pulling member is a dovetail-shaped nail-pulling head.

[0014] As a further limitation of the present utility model, anti-slip rubber layers are fixedly provided on the outer sides of both the first handle and the second handle.

[0015] Due to the adoption of the above technical solutions, compared with the prior art, the beneficial effects obtained by the present utility model are as follows:

[0016] (1) The present utility model adopts a structural form combining a first clamping head, a second clamping head, a first telescopic handle, a second telescopic handle, a first nail-pulling member and a second nail-pulling member. During actual use, production workers can adjust the lengths of the first telescopic handle and the second telescopic handle according to their own needs, making it more convenient for production workers to operate when pulling nails. The first nail-pulling member can first pry up the U-shaped nail, making it easier to remove the U-shaped nail. The second nail-pulling member can first pry up the round nail, making it easier to remove the round nail, which can effectively improve the efficiency of the nail-pulling work. In addition, the first clamping head and the first telescopic handle are detachably connected together, and the second clamping head and the second telescopic handle are detachably connected together. When the present utility model is damaged, the damaged part can be replaced separately, which can effectively reduce the use cost.

[0017] (2) In the present utility model, the structures of the first telescopic handle and the second telescopic handle are reasonable and the manufacturing cost is low. The structures of the first telescopic handle and the second telescopic handle are basically the same. Specifically, the first telescopic handle adopts a structural form combining a first threaded rod, a first sliding member and a first handle. The first threaded rod is threadedly connected to the first jaw head, which is convenient for disassembly and replacement. In addition, the present utility model realizes the adjustment of the length of the first telescopic handle by the sliding of the first sliding member on the first handle. The length adjustment of the first telescopic handle is convenient, which can effectively improve the convenience of using the present utility model.

[0018] (3) A reset elastic member is fixedly provided between the rear ends of the first jaw head and the second jaw head of the present utility model. During actual use, after each nail extraction, when the production worker does not forcefully hold and press the first telescopic handle and the second telescopic handle, the reset elastic member can make the first jaw head and the second jaw head in an open state to prepare for the next nail extraction, which can effectively save the physical strength of the production worker.

[0019] (4) The present utility model is provided with a wrist lanyard. When the present utility model is not in use, the wrist lanyard can tie the first telescopic handle and the second telescopic handle together to make the first jaw head and the second jaw head in a closed state, which is convenient for the storage and carrying of the present utility model. When the present utility model needs to be used, the production worker can hang the wrist lanyard on the wrist, which can prevent the present utility model from falling to the ground and being damaged, and can effectively improve the service life of the present utility model.

[0020] (5) The structures of the first nail-pulling member and the second nail-pulling member of the present utility model are simple and reasonable. The first nail-pulling member is a conical nail-pulling head, and the pointed head in the conical nail-pulling head can easily pry up the U-shaped nail. The second nail-pulling member is a dovetail-shaped nail-pulling head, and the opening in the dovetail-shaped nail-pulling head can easily pry up the round nail.

[0021] (6) The present utility model is provided with an anti-slip rubber layer, which can prevent the present utility model from falling off the hand and can also improve the comfort during use.

[0022] In summary, the present utility model has a reasonable structure, low manufacturing cost, convenient use and strong practicability. During actual use, the production worker can adjust the lengths of the first telescopic handle and the second telescopic handle according to his own needs, making the operation more convenient when the production worker pulls out the nails. The first nail-pulling member and the second jaw head can assist the first jaw head and the second jaw head to pull out the round nails or U-shaped nails, which can effectively improve the efficiency of the nail-pulling work. Moreover, when the present utility model is damaged, the damaged part can be replaced separately, which can effectively reduce the use cost. The present utility model is suitable for use when pulling out nails during shoe production. Description of the Drawings

[0023] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] Figure 1 It is a schematic structural diagram of an embodiment of the present utility model;

[0025] Figure 2 It is a schematic structural diagram of the first sliding member in the embodiment of the present utility model;

[0026] In the figure: 1, the first jaw; 2, the second jaw; 3, the first threaded rod;

[0027] 4, the first sliding member; 41, the first C-shaped channel steel; 42, the first rectangular block; 43, the first limit screw;

[0028] 5, the first handle; 6, the second threaded rod; 7, the second sliding member; 8, the second handle; 9, the first nail-pulling member; 10, the second nail-pulling member; 11, the wrist hanging rope; 12, the reset elastic member. Specific embodiments

[0029] The following describes the preferred embodiments of the present utility model in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and understanding the present utility model, and are not used to limit the present utility model.

[0030] Embodiment A nail-pulling pliers for shoemaking

[0031] As Figure 1 shown, this embodiment includes a first jaw 1, a second jaw 2 hinged to the first jaw 1, a first telescopic handle detachably connected to the rear end of the first jaw 1, a second telescopic handle detachably connected to the rear end of the second jaw 2, a first nail-pulling member 9 for pulling U-shaped nails fixedly provided at the rear end of the first telescopic handle, and a second nail-pulling member 10 for pulling round nails fixedly provided at the rear end of the second telescopic handle. Among them, the first nail-pulling member 9 is a conical nail-pulling head, and the second nail-pulling member 10 is a dovetail-shaped nail-pulling head. The dovetail-shaped nail-pulling head includes a semi-elliptical plate, and a rectangular opening is provided in the middle of the semi-elliptical plate. The size of the opening is adapted to the size of the round nail so that the round nail can be pried up.

[0032] The first telescopic handle includes a first threaded rod 3 threadedly connected to the rear end of the first jaw 1. The first threaded rod 3 is slidably connected to the first handle 5 through a first sliding member 4, wherein an anti-slip rubber layer is fixedly provided on the outer side of the first handle 5. The first sliding member 4 includes a first sliding track fixedly provided on the first handle 5, a first sliding block slidably connected to the first sliding track, and a first limiting screw 43 threadedly connected to the first sliding block and capable of limiting the first sliding block. One end of the first threaded rod 3 far from the first jaw 1 is fixedly connected to the first sliding block, and the first limiting screw 43 is a knurled screw. Specifically, in this embodiment, the first handle 5 has a first installation groove for fixedly installing the first sliding track, and the first sliding track is fixedly installed in the first installation groove on the first handle 5. As Figure 2 shown, the first sliding track is a first C-shaped channel steel 41, the first sliding block is a first rectangular block 42, and the first rectangular block 42 is adapted to the first C-shaped channel steel 41. When it is necessary to position the first rectangular block 42 on the first C-shaped channel steel 41, only the first limiting screw 43 needs to be tightened. When it is necessary to release the positioning, only the first limiting screw 43 needs to be loosened.

[0033] The second telescopic handle includes a second threaded rod 6 threadedly connected to the rear end of the second jaw 2. The second threaded rod 6 is slidably connected to the second handle 8 through a second sliding member 7, wherein an anti-slip rubber layer is fixedly provided on the outer side of the second handle 8. The second sliding member 7 includes a second sliding track fixedly provided on the second handle 8, a second sliding block slidably connected to the second sliding track, and a second limiting screw threadedly connected to the second sliding block and capable of limiting the second sliding block. One end of the second threaded rod 6 far from the second jaw 2 is fixedly connected to the second sliding block, and the second limiting screw is a knurled screw. Specifically, in this embodiment, the second handle 8 has a second installation groove for fixedly installing the second sliding track, and the second sliding track is fixedly installed in the second installation groove on the second handle 8. The second sliding track is a second C-shaped channel steel, the second sliding block is a second rectangular block, and the second rectangular block is adapted to the second C-shaped channel steel. When it is necessary to position the second rectangular block on the second C-shaped channel steel, only the second limiting screw needs to be tightened. When it is necessary to release the positioning, only the second limiting screw needs to be loosened.

[0034] A reset elastic member 12 for opening the first jaw 1 and the second jaw 2 is fixedly provided between the rear ends of the first jaw 1 and the second jaw 2, wherein the reset elastic member 12 is an existing reset spring. When the first telescopic handle and the second telescopic handle are not gripped forcefully, the reset spring can keep the first jaw 1 and the second jaw 2 in an open state.

[0035] A wrist lanyard 11 is provided on the first handle 5 or a wrist lanyard 11 is provided on the second handle 8. Specifically, in this embodiment, a mounting ring is fixedly provided on the second handle 8, and a wrist lanyard 11 is fixedly provided on the mounting ring.

[0036] Before using this embodiment, the first telescopic handle and the second telescopic handle need to be adjusted to a length suitable for the user to pull out nails according to the personal situation of the production worker. The method of adjusting the length of the first telescopic handle is the same as that of adjusting the length of the second telescopic handle. Here, only the method of adjusting the length of the first telescopic handle will be described. The method of adjusting the length of the first telescopic handle is as follows: First, loosen the first limit screw 43, and then pull the first handle 5 away from the first jaw 1 or push the first handle 5 towards the first jaw 1. At this time, the length of the first threaded rod 3 extending from the front end of the first handle 5 in the first telescopic handle increases or decreases correspondingly, and the adjustment of the length of the first telescopic handle can be achieved.

[0037] When using this embodiment and needing to pull out U-shaped nails, first use the pointed tip in the conical nail puller to pry up the U-shaped nail, then put the wrist lanyard 11 on the wrist and hold the first telescopic handle and the second telescopic handle, and use the first jaw 1 and the second jaw 2 to pull out the U-shaped nail.

[0038] When needing to pull out round nails, first use the opening in the dovetail nail puller to pry up the round nail, then put the wrist lanyard 11 on the wrist and hold the first telescopic handle and the second telescopic handle, and use the first jaw 1 and the second jaw 2 to pull out the round nail.

[0039] When not using this embodiment, adjust the lengths of the first telescopic handle and the second telescopic handle to the shortest lengths, then press the first telescopic handle and the second telescopic handle to close the first jaw 1 and the second jaw 2, and finally use the wrist lanyard 11 to firmly tie the first telescopic handle and the second telescopic handle together.

[0040] It should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A nail pulling pliers for shoemaking, characterized in that: The utility model comprises a first pliers head, a second pliers head hinged to the first pliers head, a first telescopic handle detachably connected to the rear end of the first pliers head, a second telescopic handle detachably connected to the rear end of the second pliers head, a first nail removing component fixedly arranged at the rear end of the first telescopic handle for removing U-shaped nails, and a second nail removing component fixedly arranged at the rear end of the second telescopic handle for removing round nails.

2. The shoemaking nail pulling pliers according to claim 1, characterized in that: The first telescopic handle comprises a first threaded rod threadedly connected to the rear end of the first pliers head, and the first threaded rod is slidably connected to the first handle via a first sliding member; The second telescopic handle comprises a second threaded rod threadedly connected to the rear end of the second pliers head, and the second threaded rod is slidably connected to the second handle through a second sliding component.

3. The shoemaking nail pulling pliers according to claim 2, characterized in that: The first sliding member includes a first sliding track fixed on the first handle, a first sliding block slidably connected to the first sliding track, and a first limiting screw threadedly connected to the first sliding block capable of limiting the position of the first sliding block, and an end of the first threaded rod away from the first pliers head is fixedly connected to the first sliding block; The second sliding component includes a second sliding rail fixed on the second handle, a second sliding block slidably connected to the second sliding rail, and a second limit screw threadedly connected to the second sliding block that can limit the second sliding block. One end of the second threaded rod away from the second pliers head is fixedly connected to the second sliding block.

4. The shoemaking nail pulling pliers according to claim 3, characterized in that: A resetting elastic component for opening the first pliers and the second pliers is fixedly provided between the rear ends of the first pliers and the second pliers.

5. The shoemaking nail pulling pliers according to claim 4, characterized in that: A wrist lanyard is provided on the first handle or a wrist lanyard is provided on the second handle.

6. A nail pulling pliers for shoemaking according to any one of claims 1 to 5, characterized in that: The first nail-removing component is a conical nail-removing head.

7. The shoemaking nail pulling pliers according to claim 6, characterized in that: The second nail-removing component is a dovetail-shaped nail-removing head.

8. The shoemaking nail pulling pliers according to claim 2, characterized in that: The outer side of the first handle and the outer side of the second handle are both fixedly provided with an anti-slip rubber layer.

Images