A pair of pliers with a quick-adjusting opening

Abstract

This utility model relates to the field of manual hardware tools, and more particularly to a pair of pliers with a quick-adjusting opening. It includes an upper jaw, with a shifting tooth position in the lower part of the upper jaw that engages with the teeth on a shift pin. The upper part of the upper jaw has an internal slot, allowing the handle of the lower jaw to pass through. The head of the lower jaw has a through hole. A sleeve is connected to the upper and lower jaws by rivets, a shift pin, and a shift button. The shift button and shift pin are riveted together. Pressing the shift button downwards depresses the shift pin and a spring, disengaging the teeth on the shift pin from the shifting tooth position. Moving the shift pin along the shifting tooth position moves the sleeve and the lower jaw until the desired opening is reached. Releasing the shift button allows the shift pin to move upwards under the action of the spring, engaging the teeth on the shift pin with the shifting tooth position to achieve quick opening adjustment of the pliers. This utility model is easy to operate and suitable for the installation and disassembly of pipe fittings in various working environments, greatly improving work efficiency and user experience.

Description

Technical Field

[0001] This utility model relates to the field of manual hardware tools, and more specifically, to a pair of pliers with a quick-adjustable opening. Background Technology

[0002] Pliers are hand tools used to grip and hold workpieces. The beak-shaped jaws allow them to reach into narrow spaces, easily clamping or tightening hard-to-reach parts. The jaws are typically adjustable, allowing them to accommodate pipes and nuts of different diameters by rotating an adjustment knob.

[0003] Currently, most pliers on the market adjust the opening by rotating an adjusting nut. This is slow and cannot quickly adjust the opening size according to needs, affecting work efficiency. Therefore, developing a type of pliers with a quick-adjusting opening mechanism is particularly important. Summary of the Invention

[0004] To address the shortcomings of existing pliers, this invention provides a quick-adjusting pliers with a convenient opening. These pliers are easy to operate and suitable for pipe installation and disassembly in various working environments. Through innovative structural design, they achieve ease of operation, greatly improving work efficiency and user experience.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A pair of pliers with a quick-adjustable opening includes an upper pliers body, a lower pliers body, and a sleeve. The upper pliers body has a shifting tooth position in its lower part that engages with the teeth on a shift pin. The upper part of the upper pliers body has an internal slot, allowing the handle of the lower pliers body to pass through for assembly. The lower pliers body has a through hole at its head. The sleeve is hollow inside, with a rivet hole at its front, a pin hole at its tail, and a screw hole at its reverse front. The sleeve connects the upper and lower pliers body together via rivets, a shift pin, and a shift button. Pressing the shift button downwards depresses the shift pin and a spring, causing the shift pin to move downwards and disengage the teeth on the shift pin from the shifting tooth position. Holding down the shift button moves the shift pin along the shifting tooth position, moving the sleeve and the lower pliers body. The opening of the pliers changes with the movement of the shift pin. Releasing the shift button after reaching the desired opening causes the shift pin to move upwards under the action of the spring, engaging the teeth on the shift pin with the shifting tooth position, thus achieving quick adjustment of the pliers' opening.

[0006] Furthermore, the spring is passed through the rivet hole by a rivet or screw, and the screw hole fixes the spring to the back of the sleeve iron, with the tail of the spring close to the bottom of the shift pin.

[0007] Furthermore, the pin of the shift button is riveted to the inner hole of the shift pin head, so that the shift pin is connected to the shift button.

[0008] Furthermore, both the upper clamp body and the lower half of the lower clamp body are provided with plastic handles.

[0009] Compared with the prior art, the present invention has the following beneficial effects: 1. In this utility model, the shift pin and shift gear quickly disengage and engage, avoiding the problem of slow opening speed adjustment by rotating the adjusting nut in traditional pliers. This enables quick opening adjustment of the pliers, improves work efficiency, and is suitable for the installation and disassembly of pipe fittings in various working environments.

[0010] 2. This utility model has a simple structure. It uses a shift pin and a shift gear to move the shift pin up, down, left, and right. The operation is convenient and intuitive, reducing the complexity of operation and greatly improving work efficiency and user experience. Attached Figure Description

[0011] Figure 1 This is a front view of the overall structure of this utility model.

[0012] Figure 2 This is a rear view of the overall structure of this utility model.

[0013] Figure 3 This is a schematic diagram of the iron sleeve structure in this utility model.

[0014] Figure 4 This is a schematic diagram of the gear shift button in this utility model.

[0015] Figure 5 This is a schematic diagram of the shift pin structure in this utility model.

[0016] In the diagram: 1. Upper clamp body; 2. Lower clamp body; 3. Sleeve iron; 4. Rivet; 5. Shift button; 6. Shift pin; 7. Screw; 8. Spring; 9. Plastic handle cover; 10. Rivet hole; 11. Screw hole; 12. Pin hole; 13. Gear position; 14. Round hole; 15. Pin shaft. Detailed Implementation

[0017] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model. Example

[0018] like Figures 1 to 5As shown, in this embodiment, a pair of pliers with a quick-adjusting opening includes an upper pliers body 1, a lower pliers body 2, and a sleeve 3. The upper pliers body 1 has a shifting tooth position 13 in its lower part that engages with the teeth on the shifting pin 6. The upper part of the upper pliers body 1 has an internal groove, allowing the handle of the lower pliers body 2 to pass through for assembly. The head of the lower pliers body 2 has a through hole. The sleeve 3 is hollow internally, with a rivet hole 10 at its front, a pin hole 12 at its tail, and a screw hole 11 at its reverse front. The sleeve 3 is connected via rivets 4, shifting pin 6, and... The shift button 5 connects the upper jaw 1 and the lower jaw 2 together. Pressing the shift button 5 downwards presses down the shift pin 6 and the spring 8, causing the shift pin 6 to move downwards. The teeth on the shift pin 6 disengage from the shift tooth position 13. Pressing the shift button 5 down, the shift pin 6 moves along the shift tooth position 13, causing the sleeve 3 and the lower jaw 2 to move. The opening of the pliers changes with the movement of the shift pin 6. After reaching the desired opening, the shift button 5 is released. Under the action of the spring 8, the shift pin 6 moves upwards, and the teeth on the shift pin 6 engage with the shift tooth position 13, enabling the pliers to quickly adjust the opening.

[0019] In this embodiment, the spring 8 is fixed to the back of the sleeve 3 by passing through the rivet hole 10 and the screw hole 11 with the rivet 4 and the screw 7, and the tail of the spring 8 is close to the bottom of the shift pin 6.

[0020] In this embodiment, the pin 15 on the shift button 4 cooperates with the round hole 14 on the upper part of the shift pin 6, so that the shift button 4 and the shift pin 5 are riveted together.

[0021] In this embodiment, both the upper jaw 1 and the lower jaw 2 are provided with plastic grips 6 on their lower halves. The plastic grips are soft and non-slip, providing a more comfortable grip and effectively reducing hand fatigue and discomfort during prolonged use of the pliers. Simultaneously, the plastic grips increase the friction between the handle and the hand, preventing slippage during use.

[0022] The working principle of this type of pliers with a quick-adjustable opening: During use, the user first presses down the shift button 5, pressing down the shift pin 6 and the spring 8. The shift pin 6 moves downward, and the teeth on the shift pin 6 disengage from the shift tooth position 13. While holding down the shift button 5, the user moves the shift pin 6 along the shift tooth position 13, causing the sleeve 3 and lower jaw 2 to move. The opening of the pliers changes with the movement of the shift pin 6. After reaching the desired opening, the user releases the shift button 5. Under the action of the spring 8, the shift pin 6 moves upward, and the teeth on the shift pin 6 engage with the shift tooth position 13, enabling the pliers to quickly adjust the opening. This shifting structure, with its engaging shift pin and shift tooth position, allows for rapid opening adjustment of the pliers, improving work efficiency and making it suitable for pipe installation and disassembly work in various operating environments.

[0023] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. For those skilled in the art, other variations or modifications can be made based on the above description. It is impossible to exhaustively list all the implementation methods here. Any obvious variations or modifications derived from the technical solutions of this utility model are still within the protection scope of this utility model.

Claims

1. A pair of pliers with a quick-adjusting opening, comprising an upper pliers body, a lower pliers body, and a sleeve, characterized in that: The lower part of the upper clamp body is provided with a shift tooth position that mates with the teeth on the shift pin. The upper part of the upper clamp body has a groove inside, through which the handle of the lower clamp body passes to assemble the two. The head of the lower clamp body has a through hole. The sleeve iron connects the upper clamp body and the lower clamp body together by rivets, shift pins, and shift buttons.

2. The pliers with a quick-adjusting opening according to claim 1, characterized in that: The sleeve is hollow inside, with a rivet hole at the front, a pin hole at the rear, and a screw hole at the front of the reverse side.

3. The pliers with a quick-adjusting opening according to claim 1, characterized in that: The spring is passed through the rivet hole by rivets and screws, and the screw hole fixes the spring to the back of the sleeve iron. The tail of the spring is close to the bottom of the shift pin.

4. The pliers with a quick-adjusting opening according to claim 1, characterized in that: The shift pin is roughly an irregular cylindrical structure with teeth distributed on its side that mate with the shift teeth on the upper clamp body. It has a round hole at the top, and the pin on the shift button mates with this round hole, so that the shift button and the shift pin are riveted together.

5. The pliers with a quick-adjusting opening according to claim 1, characterized in that: Both the upper clamp body and the lower half of the lower clamp body are equipped with plastic handles.

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