Adjustable punching pliers

By using a split lower handle and an adjustable locking device, the problems of laborious operation and inconsistent accuracy of existing hole punchers are solved, achieving easier operation and improved processing accuracy.

CN223761904UActive Publication Date: 2026-01-06YUEQING FOSITE TOOLS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422274632.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2026-01-06
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

Existing hole punches are laborious to use and cannot guarantee processing accuracy, especially for users with small hands who find them difficult to operate, and the processing accuracy is inconsistent.

Method used

The lower clamp handle features a split design, combined with an adjustable locking device and a magnetic adsorption structure. The extrusion depth of the cutting and punching parts is adjusted through a gear groove to ensure accuracy, and the magnet prevents the workpiece from falling out.

Benefits of technology

It makes operation less strenuous, improves processing accuracy and efficiency, adapts to the needs of users with different hand shapes, and ensures processing consistency and accuracy.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223761904U_ABST
    Figure CN223761904U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of punching tools, in particular to adjustable punching pliers, which comprise an upper pliers handle and a lower pliers handle, a rotating part is arranged between the upper pliers handle and the lower pliers handle, and the lower pliers handle comprises a lower pliers head and a main body; the upper plier handle, the lower plier head and the main body are respectively and rotatably connected to the rotating piece; a cutting piece is arranged on one side of the upper plier handle; a punching part corresponding to the cutting part is arranged on one side of the lower plier head, the lower plier head comprises an upper plier handle and a lower plier handle, a rotating part is arranged between the upper plier handle and the lower plier handle, and the lower plier handle comprises a lower plier head and a main body; the upper plier handle, the lower plier head and the main body are respectively and rotatably connected to the rotating piece; a cutting piece is arranged on one side of the upper plier handle; and a punching piece corresponding to the cutting piece is arranged on one side of the lower plier head. The problems that a plier is strenuous to use, and the machining depth cannot be controlled are solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of drilling tool technology, specifically to an adjustable hole punch. Background Technology

[0002] Existing hole punchers or pliers bodies generally have torsion springs installed inside to make them easier to use. However, with the addition of torsion springs, the two pliers arms are in an open state with a large opening. For users with smaller hands, it is difficult to hold the pliers with one hand and use them normally, making it more strenuous. Some designs can limit the opening size of the pliers arms, but because the two pliers arms are integrated structures, it is still quite strenuous, and the processed products cannot be guaranteed to be consistent due to different forces applied, resulting in low processing accuracy. Utility Model Content

[0003] To address the problems mentioned in the background section, an adjustable punching pliers is proposed to solve the issues of pliers being laborious to use and unable to guarantee machining accuracy.

[0004] The technical solution of this utility model is as follows: An adjustable punching pliers includes an upper plier handle and a lower plier handle, with a rotating component provided between the upper plier handle and the lower plier handle. The lower plier handle includes a lower plier head and a main body. The upper plier handle, the lower plier head, and the main body are rotatably connected to the rotating component. A cutting component is provided on one side of the upper plier handle. A punching component corresponding to the cutting component is provided on one side of the lower plier head.

[0005] Preferably, when the upper clamp handle moves toward the lower clamp handle, it drives the cutting component to move toward the punching component, so as to cut through holes in the workpiece inserted between the cutting component and the punching component.

[0006] Preferably, a locking device is rotatably connected between the upper clamp handle and the main body, the locking device has a gear groove on one side, and a locking buckle is provided on the side of the upper clamp handle near the locking device; an adjustment device is rotatably inserted between the upper clamp handle and the lower clamp handle.

[0007] Preferably, the adjusting device passes through the locking device, and the locking device is rotated synchronously by rotating the adjusting device; a positioning bolt is provided on one side of the adjusting device, and the adjusting device is provided with multiple adjusting ports, and rotating the adjusting device will engage one adjusting port with the positioning bolt.

[0008] Preferably, the locking element has a hook on the side near the gear groove, and a through-hole groove on the side of the gear groove. Rotating the adjustment device can drive the locking device. When the locking element is in the through-hole groove, the punching pliers are in a free state and can be opened or closed freely. When the hook is in the gear groove position, the gear grooves at different positions can adjust the extrusion depth between the cutting part and the punching part to ensure its processing accuracy.

[0009] Preferably, the cutting component includes a base and a protruding post, the base has a first groove inside, and the protruding post is inserted into the first groove; the punching component has a second groove, and a limiting post is provided in the middle of the second groove.

[0010] Preferably, a spring is provided between the protruding post and the first groove, and the side of the protruding post away from the first groove is higher than the plane of the base.

[0011] Preferably, the part to be cut includes a button and a round piece, the button being inserted into the protruding post and the round piece being inserted into the limiting post.

[0012] Preferably, a magnet is provided on one side of the protruding post, and a plurality of magnets are provided in the second groove.

[0013] Preferably, the upper clamp handle includes a first hand grip, the main body includes a second hand grip, and both the first hand grip and the second hand grip are covered with an outer rubber sleeve.

[0014] Compared with the prior art, the present invention provides an adjustable hole punch pliers, having at least one of the following features.

[0015] Beneficial effects:

[0016] 1. The split design of the lower pliers handle can distribute the required pressing force, making it easier to operate the hole punch.

[0017] 2. Multiple gear slots are provided. By engaging the hook with the gear slots at different positions, the depth of compression between the upper shank and the lower shank can be adjusted to ensure machining accuracy.

[0018] 3. Multiple magnets are installed in the upper handle and lower jaw to attract the workpiece to be cut, preventing it from falling out of the punching pliers and improving processing efficiency. Attached Figure Description

[0019] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0020] Figure 1 This is a perspective view of an embodiment of the present utility model.

[0021] Figure 2 This is a cross-sectional view of an embodiment of the present utility model.

[0022] Figure 3 This is a schematic diagram of the part to be cut according to an embodiment of the present utility model.

[0023] Figure Labels

[0024] 1-Upper clamp handle; 11-First hand grip; 2-Lower clamp handle; 3-Rotating component; 21-Lower clamp head; 22-Main body; 221-Second hand grip; 4-Cutting component; 41-Base; 411-First groove; 42-Protruding post; 43-Spring; 5-Drilling component; 51-Second groove; 511-Limiting post; 6-Locking device; 61-Gear groove; 62-Through hole groove; 7-Locking component; 71-Hook; 8-Adjusting device; 81-Positioning bolt; 82-Adjusting port; 9-Workpiece to be cut; 91-Button; 92-Round piece; 10-Magnet; 101-Outer rubber sleeve; Detailed Implementation

[0025] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0026] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0027] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0030] like Figures 1 to 2 As shown, an adjustable hole punch includes an upper handle 1 and a lower handle 2, with a rotating component 3 between the upper handle 1 and the lower handle 2. The lower handle 2 includes a lower jaw 21 and a main body 22. The upper handle 1, the lower jaw 21, and the main body 22 are rotatably connected to the rotating component 3. The lower handle 2 is designed as a split unit, which can distribute the required pressing force, making it easier to operate the hole punch. A cutting element 4 is provided on one side of the upper handle 1, and a hole corresponding to the cutting element 4 is provided on one side of the lower jaw 21. Component 5; When the upper clamp handle 1 moves toward the lower clamp handle 2, it drives the cutting component 4 toward the punching component 5 to cut a through hole in the workpiece 9 inserted between the cutting component 4 and the punching component 5; A locking device 6 is rotatably connected between the upper clamp handle 1 and the main body 22, a gear groove 61 is provided on one side of the locking device 6, and a locking buckle 7 is provided on the side of the upper clamp handle 1 near the locking device 6; An adjusting device 8 is rotatably inserted between the upper clamp handle 1 and the lower clamp handle 2, The adjusting device 8 passes through the locking device 6, and the locking device 6 is rotated synchronously by rotating the adjusting device 8. A positioning bolt 81 is provided on one side of the adjusting device 8, and the adjusting device 8 has multiple adjusting ports 82. Rotating the adjusting device 8 engages one adjusting port 82 with the positioning bolt 81. A hook 71 is provided on the side of the locking member 7 near the gear groove 61, and a through-hole groove 62 is provided on one side of the gear groove 61. Rotating the adjusting device 8 can drive the locking device 6. When the locking member 7 is in the through-hole groove 62, the punching pliers are in a free state and can be freely opened or closed. When the hook 71 is in the gear groove 61, different positions of the gear groove 61 can adjust the pressing depth between the cutting part 4 and the punching part 5 to ensure processing accuracy. Furthermore, when the hook 71 engages with the gear groove 61 near the through-hole groove 62, the punching pliers are in a closed state; when the hook 71 engages with the gear groove 61 away from the through-hole groove 62, the punching pliers are in an open or partially open state.

[0031] like Figures 1 to 3As shown, the cutting component 4 includes a base 41 and a protruding post 42. The base 41 has a first groove 411 inside, and the protruding post 42 is inserted into the first groove 411. The punching component 5 has a second groove 51, and a limiting post 511 is provided in the middle of the second groove 51. A spring 43 is provided between the protruding post 42 and the first groove 411, and the side of the protruding post 42 away from the first groove 411 is higher than the plane of the base 41. The piece to be cut 9 includes a button 91 and a round piece 92. The button 91 is inserted into the protruding post 42, and the disc 92 is inserted into the limiting post 511. A magnet 10 is provided on one side of the protruding post 42, and multiple magnets 10 are provided in the second groove 51. The button 91 and the disc 92 are attracted by magnetic attraction, which can prevent them from falling out of the punching pliers and improve processing efficiency. The upper plier handle 1 includes a first hand grip 11, and the main body 22 includes a second hand grip 221. Both the first hand grip 11 and the second hand grip 221 are covered with an outer rubber sleeve 101.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. An adjustable punch plier, characterized by: The utility model provides a cutting and punching pliers, including upper handle and lower handle, be equipped with rotating part between upper handle and lower handle, lower handle includes lower jaw and main body, upper handle, lower jaw and main body can be rotatable connection rotating part respectively, one side of upper handle is equipped with cutting part, one side of lower jaw is equipped with punching part corresponding with cutting part.

2. An adjustable punch pliers as claimed in claim 1, characterized in that: When the upper handle moves towards the lower handle, the cutting part is driven to move towards the punching part to cut a through hole in the to-be-cut member inserted between the cutting part and the punching part.

3. An adjustable punch pliers as claimed in claim 1, characterized in that: A locking device is rotatably connected between the upper handle and the main body, one side of the locking device is provided with a gear slot, one side of the upper handle close to the locking device is provided with a locking piece, and the upper handle and the lower handle are rotatably connected with an adjusting device.

4. An adjustable punch pliers as claimed in claim 3, characterized in that: The adjusting device penetrates the locking device, and the locking device is synchronously rotated by rotating the adjusting device, one side of the adjusting device is provided with a positioning bolt, the adjusting device is provided with a plurality of adjusting openings, and one adjusting opening is clamped in the positioning bolt by rotating the adjusting device.

5. An adjustable piercing pincer as claimed in claim 3, wherein: One side of the locking piece close to the gear slot is provided with a hook, one side of the gear slot is provided with a through hole slot, the locking device is driven by rotating the adjusting device, when the locking piece is in the through hole slot, the punching pliers are in a free state and can be freely opened or closed, when the hook is in the gear slot position, the depth of the pressing between the cutting part and the punching part can be adjusted by different positions of the gear slot to ensure the machining precision.

6. An adjustable piercing pincer as claimed in claim 2, wherein: The cutting part includes a base and a protruding column, the base is internally provided with a first groove, the protruding column is inserted into the first groove, the punching part is provided with a second groove, the second groove is internally provided with a limiting column, the to-be-cut member includes a button and a disc, the button is inserted into the protruding column, and the disc is inserted into the limiting column.

7. An adjustable piercing pincer as claimed in claim 6, wherein: A spring is arranged between the protruding column and the first groove, and one side of the protruding column away from the first groove is higher than the plane of the base.

8. An adjustable piercing pincer as claimed in claim 6, wherein: One side of the protruding column is provided with a magnet, and the second groove is internally provided with a plurality of magnets.

9. An adjustable piercing pincer as claimed in claim 1, wherein: The upper handle includes a first hand holding part, the main body includes a second hand holding part, and the first hand holding part and the second hand holding part are sleeved with an outer rubber sleeve.