Folding type bending clamp based on sheet metal machining

By designing folding and protective components for folding bending pliers, the problems of cumbersome assembly and easy loss of existing bending plier handles have been solved, enabling fast and convenient sheet metal processing operations.

CN223763016UActive Publication Date: 2026-01-06JILIN HUAYI AUTOMOBILE EQUIP MFG CO LTD
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Patent Information

Application Number
CN202520009015.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2026-01-06
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

The handles of existing bending pliers are usually assembled by threads, which makes the assembly process cumbersome and easy to lose, making it difficult to meet the needs of small sheet metal parts or local fine adjustments.

Method used

A folding bending pliers was designed, which uses folding components and protective components. Through the cooperation of spring-loaded buckle device and force-saving lever, the handle can be quickly extended and fixed, simplifying the assembly process and preventing loss.

Benefits of technology

It enables quick and easy assembly of the handle, improves operating efficiency, prevents loss of the force-saving lever, and extends the service life of the spring clip device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a folding type bending clamp based on sheet metal working, which comprises a clamp head and a handle, and the side part of the clamp head is fixedly connected with the handle; the folding assembly comprises a storage groove and a labor-saving rod, the storage groove is formed in the side portion of the handle, the labor-saving rod is movably connected in the storage groove, and the folding assembly further comprises a first shaft rod, a first circular groove, a placement groove, a spring buckle device, a first rectangular block and a first circular clamping groove; the folding assembly further comprises a second rectangular block and a second circular clamping groove. The labor-saving handle has the advantages that the labor-saving rod can be turned out at the accommodating groove by pressing down the spring buckle device at the first circular clamping groove, and then the labor-saving rod can be turned out by 90 degrees and fixed under the matching of the second circular clamping groove, so that the length of the handle is increased, and compared with thread assembly, the assembly mode has the advantages that the assembly efficiency is improved, and the labor-saving effect is better. The process is simpler and quicker, and meanwhile, the labor-saving rod cannot be lost.
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Description

Technical Field

[0001] This utility model relates to the field of bending pliers technology, and in particular to a folding bending pliers for sheet metal processing. Background Technology

[0002] Sheet metal processing plays a vital role in manufacturing, encompassing numerous fields such as machinery manufacturing, electronic equipment, and the automotive industry. Bending is a crucial step in sheet metal processing. While traditional bending equipment, such as bending machines, offers high bending accuracy and efficiency, the use of large equipment has limitations for small sheet metal parts or situations requiring fine-tuning.

[0003] In existing bending pliers, the handle is usually assembled by threading. The assembled handle is usually stored separately from the bending pliers, which makes the assembly process cumbersome and prone to loss. Therefore, a new type of folding bending pliers structure is needed to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a folding bending pliers for sheet metal processing, in order to solve the problem mentioned in the background art, that the handle of the existing bending pliers is usually assembled by thread, and the assembled handle is usually stored separately from the bending pliers, which makes the assembly process more cumbersome and easily leads to the loss of the assembled handle.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a folding bending pliers for sheet metal processing, comprising:

[0007] The pliers head and the handle, wherein the handle is fixedly connected to the side of the pliers head;

[0008] A folding assembly includes a storage slot and a force-saving rod. The storage slot is located on the side of the handle, and the force-saving rod is movably connected to the storage slot. The folding assembly also includes a first shaft, a first circular slot, a placement slot, a spring-loaded buckle device, a first rectangular block, and a first circular slot. The top of one end of the force-saving rod is fixedly connected to the first shaft. The upper end of the handle has a through-hole first circular slot, which is movably connected to the first shaft. A placement slot is located on the first shaft, and the rear of the placement slot is fixedly connected to the spring-loaded buckle device. The front end of the first circular slot is fixedly connected to the first rectangular block, and the middle of the first rectangular block has a through-hole first circular slot, which is movably connected to one end of the spring-loaded buckle device.

[0009] Furthermore, the folding assembly also includes a second rectangular block and a second circular slot. The rear end of the first circular slot is fixedly connected to the second rectangular block, and the second circular slot is formed through the middle of the second rectangular block. The second circular slot is movably connected to one end of a spring buckle device.

[0010] Furthermore, one end of the force-saving lever is arc-shaped.

[0011] Furthermore, the folding assembly also includes a second shaft and a second circular groove. One end of the effort-saving rod is fixedly connected to the second shaft, and the lower end of the handle has a second circular groove, which is movably connected to the second shaft.

[0012] Furthermore, it also includes a protective component, which includes a insert plate, a first threaded groove, a second threaded groove, and a screw. The first threaded groove is formed in the middle of the lever, and the second threaded groove is formed through the middle of the insert plate. The screw is movably connected between the first threaded groove and the second threaded groove, and the insert plate is movably connected at the gap between the handle and the lever.

[0013] Compared with existing technologies, the advantages of this utility model are:

[0014] This invention allows the effort-saving lever to be flipped out of the storage slot by pressing the spring buckle device at the first circular slot. Then, with the cooperation of the second circular slot, the effort-saving lever can be rotated out 90 degrees and fixed, thereby extending the length of the handle. Based on the lever principle, it can effectively bend harder sheet metal. Moreover, the above assembly method is simpler and faster than threaded assembly, and will not result in the loss of the effort-saving lever.

[0015] Based on the aforementioned beneficial effects, the movable connecting plate at the gap between the handle and the lever can ensure the firmness of the connection between the lever and the handle when external force is applied, preventing the lever from shaking and thus preventing the spring latch device from shaking under force, thereby indirectly protecting the spring latch device and extending its service life. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall design of this utility model;

[0018] Figure 2 A schematic diagram of the first circular groove of this utility model;

[0019] Figure 3 This is a schematic diagram of the insert connection of this utility model;

[0020] Figure 4 This is a schematic diagram of the screw connection of this utility model;

[0021] Figure 5 For the present utility model Figure 4 Enlarged view of point A in the middle.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] 101. Pliers head; 102. Handle;

[0024] 201. Storage slot; 202. Labor-saving rod; 203. First shaft; 204. First circular groove; 205. Placement slot; 206. Spring buckle device; 207. First rectangular block; 208. First circular slot; 209. Second rectangular block; 2010. Second circular slot; 2011. Second shaft; 2012. Second circular groove;

[0025] 301, Insert plate; 302, First threaded groove; 303, Second threaded groove; 304, Screw. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0029] Please see Figure 1-5 As shown, this embodiment is a folding bending pliers for sheet metal processing, comprising:

[0030] The pliers head 101 and the handle 102 are fixedly connected to the side of the pliers head 101;

[0031] The folding assembly includes a storage slot 201 and a force-saving rod 202. The storage slot 201 is opened on the side of the handle 102, and the force-saving rod 202 is movably connected in the storage slot 201. The folding assembly also includes a first shaft 203, a first circular slot 204, a placement slot 205, a spring buckle device 206, a first rectangular block 207, and a first circular slot 208. The top of one section of the force-saving rod 202 is fixedly connected to the first shaft 203. The upper end of the handle 102 has a through-hole first circular slot 204, which is movably connected to the first shaft 203. The placement slot 205 is opened on the first shaft 203, and the rear of the placement slot 205 is fixedly connected to the spring buckle device 206. The front end of the first circular slot 204 is fixedly connected to the first rectangular block 207. The middle of the first rectangular block 207 has a through-hole first circular slot 208, which is movably connected to one end of the spring buckle device 206.

[0032] The storage slot 201 provides a guarantee for the connection of the effort-saving rod 202 inside the handle 102. The first shaft 203 and the first circular slot 204 cooperate to ensure the rotation of the effort-saving rod 202. The placement slot 205 provides a guarantee for the connection of the spring buckle device 206. The spring buckle device 206 and the first circular slot 208 cooperate to ensure the secure placement of the effort-saving rod 202 in the handle 102.

[0033] The folding assembly also includes a second rectangular block 209 and a second circular slot 2010. The rear end of the first circular slot 204 is fixedly connected to the second rectangular block 209. The second circular slot 2010 is opened through the middle of the second rectangular block 209. The second circular slot 2010 is movably connected to one end of the spring buckle device 206.

[0034] The second circular slot 2010 works in conjunction with the spring buckle device 206 to ensure a secure connection after the force-saving lever 202 is flipped over.

[0035] One end of the effort-saving lever 202 is arc-shaped;

[0036] The arc shape ensures the smooth rotation of the force-saving lever 202.

[0037] The folding assembly also includes a second shaft 2011 and a second circular groove 2012. One end of the effort-saving rod 202 is fixedly connected to the second shaft 2011, and the lower end of the handle 102 has a second circular groove 2012, which is movably connected to the second shaft 2011.

[0038] The second shaft 2011 and the second circular groove 2012 work together to further assist the stable rotation of the force-saving rod 202.

[0039] It also includes a protective component, which includes a plate 301, a first threaded groove 302, a second threaded groove 303, and a screw 304. The first threaded groove 302 is opened in the middle of the lever 202, and the second threaded groove 303 is opened through the middle of the plate 301. The screw 304 is movably connected between the first threaded groove 302 and the second threaded groove 303. The plate 301 is movably connected at the gap between the handle 102 and the lever 202.

[0040] The first threaded groove 302, the second threaded groove 303, and the screw 304 work together to securely connect the insert plate 301 when the effort-saving lever 202 is not in use, preventing the insert plate 301 from being lost. Placing the insert plate 301 in the gap can effectively prevent shaking.

[0041] Working principle: When bending a relatively hard sheet metal, press the spring latch device 206 connected to the first circular slot 208. At this time, the spring is compressed. When the latch moves to the inside of the first circular slot 208, the effort-saving rod 202 is pulled outward. Then, with the cooperation of the first shaft 203 and the first circular slot 204, and with the cooperation of the second shaft 2011 and the second circular slot 2012, the spring latch device 206 latches and connects to the second circular slot 2010. Then, remove the screw 304 from the first threaded slot 302 and the second threaded slot 303. Then, insert the insert plate 301 into the gap formed between the handle 102 and the effort-saving rod 202. This step is simpler and faster, and will not cause the effort-saving rod 202 to be lost, and will extend the service life of the spring latch device 206.

[0042] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" 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 according to the specific circumstances.

[0043] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. 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 described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A folding bending pliers for sheet metal processing, characterized in that, Include: Pliers head (101) and handle (102), the pliers head (101) side fixedly connected handle (102); Folding assembly, the folding assembly includes storage slot (201) and labor-saving rod (202), the handle (102) side is provided with storage slot (201), and the storage slot (201) is movably connected with labor-saving rod (202);The folding assembly further includes first shaft (203), first circular groove (204), placement groove (205), spring buckle device (206), first rectangular block (207) and first circular clamping groove (208), one end of the labor-saving rod (202) is fixedly connected with the first shaft (203), the first circular groove (204) is formed in the upper end of the handle (102), the first circular groove (204) is movably connected with the first shaft (203), the placement groove (205) is formed in the first shaft (203), the placement groove (205) is fixedly connected with the spring buckle device (206) at the back, the first circular groove (204) is fixedly connected with the first rectangular block (207) at the front, and the first circular clamping groove (208) is formed in the middle of the first rectangular block (207), and the first circular clamping groove (208) is movably connected with one end of the spring buckle device (206).

2. The folding bending pliers for sheet metal working according to claim 1, characterized in that, The folding assembly further includes second rectangular block (209) and second circular clamping groove (2010), the first circular groove (204) is fixedly connected with the second rectangular block (209) at the back, and the second circular clamping groove (2010) is formed in the middle of the second rectangular block (209), and the second circular clamping groove (2010) is movably connected with one end of the spring buckle device (206).

3. The folding bending pliers for sheet metal working according to claim 1, characterized in that, One end of the labor-saving rod (202) is arc-shaped.

4. The folding bending pliers for sheet metal working according to claim 1, characterized in that, The folding assembly further includes second shaft (2011) and second circular groove (2012), and the second shaft (2011) is fixedly connected with one end of the labor-saving rod (202), and the second circular groove (2012) is formed in the lower end of the handle (102), and the second circular groove (2012) is movably connected with the second shaft (2011).

5. The folding bending pliers for sheet metal working according to claim 1, wherein Further include protection assembly, the protection assembly includes plugboard (301), first threaded groove (302), second threaded groove (303) and screw (304), the first threaded groove (302) is formed in the middle of the labor-saving rod (202), the second threaded groove (303) is formed in the middle of the plugboard (301), and the screw (304) is movably connected between the first threaded groove (302) and the second threaded groove (303), and the plugboard (301) is movably connected between the handle (102) and the labor-saving rod (202).