A crucible tongs for convenient use

Abstract

The utility model discloses a convenient to use's crucible tongs, including handle, tongs arm, mouth of tongs, connecting spring A and flexible clamping chain, the one end of tongs arm is provided with handle, and the other end is provided with arc mouth of tongs, and the opening of mouth of tongs is evenly provided with flexible clamping chain up and down, and the both ends rotatable connection of flexible clamping chain are in the both ends of mouth of tongs, and handle includes handle A and handle B, and tongs arm includes the tongs arm A and tongs arm B of cross -setting and being lever clamping structure, and mouth of tongs includes mouth of tongs A and mouth of tongs B, and the side of tongs arm A and tongs arm B between is close to mouth of tongs and is connected through connecting spring A. The utility model discloses through the design of flexible clamping chain, makes the chain to be self -adapted different diameter, the surface of the arc of crucible, and the protective pad and the antiskid pad prevent the slide, avoid the wear and tear to the crucible, and the lever structure reduces the clamping required strength, and connecting spring A can provide stable pre -tightening force, reduces the hand fatigue.

Description

Technical Field

[0001] This utility model relates to the technical field of laboratory crucible tongs, and more particularly to a convenient crucible tong. Background Technology

[0002] In chemical experiments and material heating scenarios, crucible tongs are crucial tools for holding high-temperature crucibles. Existing crucible tongs typically employ a rigid jaw structure, which has the following drawbacks:

[0003] Poor clamping adaptability: It is difficult to adapt to crucibles of different diameters and curvatures. For crucibles with irregular shapes or irregular surfaces, it is easy to cause unstable clamping, which increases the risk of crucible slipping.

[0004] Insufficient protection: When the rigid jaws come into direct contact with the crucible, improper control of the clamping force can easily cause wear on the surface of the crucible, especially for crucibles that become more brittle at high temperatures, which may lead to breakage.

[0005] Low operational flexibility: The opening and closing angle of the jaws in traditional structures is fixed and lacks a buffer structure, which can easily cause hand fatigue during long-term use and makes it difficult to accurately control the clamping force. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies by providing a convenient crucible tong.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A convenient crucible tong includes a handle, tong arms, tong jaws, a connecting spring A, and flexible clamping chains. One end of the tong arm has a handle, and the other end has a tong jaw. The tong jaws are arc-shaped, and flexible clamping chains are provided above and below the opening of the tong jaws. The two ends of the flexible clamping chains are rotatably connected to the two ends of the tong jaws. The handle includes handle A and handle B arranged in opposite directions. The tong arms include tong arms A and B arranged in a cross configuration, forming a lever clamping structure. The tong jaws include tong jaws A and B arranged opposite each other. The intersection of tong arms A and B is connected by a hinge bolt. Tong arms A and B are connected near the tong jaws by a connecting spring A.

[0009] The flexible clamping chain includes a linking assembly and a connecting spring B. The linking assembly includes an end linking assembly, a linking assembly A, and a linking assembly B. The two ends of the flexible clamping chain are end linking assemblies, and the middle part is a combination of linking assembly A, linking assembly B, and connecting spring B.

[0010] One end of the end connection component is a connection hole, and the other end is a double-eared hinge. Both ends of the connection component A are double-eared hinges, and both ends of the connection component B are single-eared hinges. The double-eared hinges and single-eared hinges are correspondingly arranged, and the double-eared hinges and single-eared hinges are connected by a rotating shaft.

[0011] Protective pads are provided on the end link assembly, link assembly A and link assembly B of the flexible clamping chain, and the protective pads are located on the corresponding sides of jaw A and jaw B.

[0012] Anti-slip pads are provided on the inner sides of the corresponding jaws A and B.

[0013] The handle A, the clamp arm A, and the clamp jaw A are integrated into one piece, and the handle B, the clamp arm B, and the clamp jaw B are integrated into one piece.

[0014] The beneficial effects of this utility model are as follows:

[0015] The flexible clamping chain design allows the connecting components to rotate flexibly via the pivot, and the connecting spring B is telescopic, enabling the chain to adapt to crucible surfaces of different diameters and curvatures, solving the problem of poor adaptability of traditional rigid jaws. The protective pads on the flexible clamping chain work in conjunction with the anti-slip pads on the inside of the jaws to increase friction with the crucible, preventing slippage, and avoiding wear on the crucible caused by rigid contact, making it particularly suitable for protecting brittle crucibles at high temperatures. The lever structure design reduces the clamping force required, and the connecting spring A provides a stable preload, reducing hand fatigue. At the same time, the adjustability of the flexible chain makes the clamping process easier to control and improves operational precision. The integrated design of the handle, jaws, and arm enhances overall rigidity, and the hinge bolts connecting to the pivot ensure smooth movement of all components and extend service life. Attached Figure Description

[0016] Figure 1 This is an overall structural diagram of the present invention;

[0017] Figure 2 This is a partially enlarged view of the present invention;

[0018] Figure 3 This is a structural diagram of the flexible clamping chain of this utility model;

[0019] Figure 4 This is a structural diagram of the end-connection assembly of this utility model;

[0020] Figure 5 This is a structural diagram of the link component A of this utility model;

[0021] Figure 6 This is a structural diagram of the link component B of this utility model;

[0022] In the diagram: 1. Handle A; 2. Arm A; 3. Jaw A; 4. Handle B; 5. Arm B; 6. Jaw B; 7. Connecting spring A; 8. Hinge bolt; 9. Flexible clamping chain; 91. End connection assembly; 92. Connection assembly A; 93. Connection assembly B; 94. Connecting spring B; 95. Protective pad; 10. Anti-slip pad. Detailed Implementation

[0023] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0024] Example 1

[0025] Referring to the accompanying drawings and descriptions, this utility model provides a convenient crucible tong, the structure of which includes: handles (handle A1, handle B4), tong arms (tong arms A2, tong arms B5), tong jaws (tong jaws A3, tong jaws B6), connecting springs A7, hinge bolts 8, flexible clamping chains 9 (including end link components 91, link components A92, link components B93, connecting springs B94, protective pads 95) and anti-slip pads 10.

[0026] One end of the clamp arm is provided with a handle, and the other end is provided with a jaw. The jaw is arc-shaped, and flexible clamping chains 9 are provided at the top and bottom of the jaw opening. The two ends of the flexible clamping chains 9 are rotatably connected to the two ends of the jaw. The handle includes handles A1 and B4 arranged in opposite directions. The clamp arm includes clamp arm A2 and clamp arm B5 arranged in a cross arrangement. The jaw includes jaws A3 and jaws B6 arranged opposite each other. The intersection of clamp arm A2 and clamp arm B5 is connected by a hinge bolt 8. The side of clamp arm A2 and clamp arm B5 near the jaw is connected by a connecting spring A7.

[0027] The flexible clamping chain 9 includes a linking assembly and a connecting spring B94. The linking assembly includes an end linking assembly 91, a linking assembly A92, and a linking assembly B93. The two ends of the flexible clamping chain 9 are end linking assemblies 91, and the middle part is a combination of linking assembly A92, linking assembly B93, and connecting spring B94.

[0028] One end of the end connecting component 91 is a connecting hole, and the other end is a double-eared hinge. Both ends of the connecting component A92 are double-eared hinges, and both ends of the connecting component B93 are single-eared hinges. The double-eared hinges and the single-eared hinges are correspondingly arranged, and the double-eared hinges and the single-eared hinges are connected by a pivot.

[0029] Protective pads 95 are provided on the end linking components 91, A92 and B93 of the flexible clamping chain 9. The protective pads 95 are located on the corresponding sides of the jaws A3 and B6.

[0030] Anti-slip pads 10 are provided on the inner sides of the corresponding jaws A3 and B6.

[0031] Handle A1, clamp arm A2 and jaw A3 are integrated into one piece, and handle B4, clamp arm B5 and jaw B6 are integrated into one piece.

[0032] Working principle: During use, gripping handles A1 and B4 applies force. Through the lever action of clamp arms A2 and B5, jaws A3 and B6 are brought closer together to achieve clamping. Connecting spring A7 provides pre-tension in its natural state, ensuring initial clamping stability. When clamping the crucible, the connecting components A92 and B93 of the flexible clamping chain 9 rotate flexibly via the pivot structure of the double-ear and single-ear hinges. Connecting spring B94 adapts by extending and retracting, allowing the chain to conform to the outer surface of the crucible. Combined with protective pads 95 and 10, this prevents damage to the crucible and prevents slippage. When the handles are released, connecting spring A7 resets, causing the jaws and chain to return to their initial state, completing the operation.

Claims

1. A convenient crucible tong, characterized in that: The device includes a handle, clamp arms, jaws, a connecting spring A, and a flexible clamping chain. One end of the clamp arm has a handle, and the other end has a jaw. The jaw is arc-shaped, and flexible clamping chains are provided above and below the opening of the jaw. The two ends of the flexible clamping chains are rotatably connected to the two ends of the jaw. The handle includes handle A and handle B arranged in opposite directions. The clamp arms include clamp arms A and B arranged in a cross configuration. The jaws include jaws A and jaw B arranged opposite to each other. The intersection of clamp arms A and B is connected by a hinge bolt. The clamp arms A and B are connected to each other near the jaw by a connecting spring A.

2. The easy-to-use crucible tongs according to claim 1, characterized in that: The flexible clamping chain includes a linking assembly and a connecting spring B. The linking assembly includes an end linking assembly, a linking assembly A, and a linking assembly B. The two ends of the flexible clamping chain are end linking assemblies, and the middle part is a combination of linking assembly A, linking assembly B, and connecting spring B.

3. The easy-to-use crucible tongs according to claim 2, characterized in that: One end of the end connection component is a connection hole, and the other end is a double-eared hinge. Both ends of the connection component A are double-eared hinges, and both ends of the connection component B are single-eared hinges. The double-eared hinges and single-eared hinges are correspondingly arranged, and the double-eared hinges and single-eared hinges are connected by a rotating shaft.

4. The easy-to-use crucible tongs according to claim 1, characterized in that: Protective pads are provided on the end link assembly, link assembly A and link assembly B of the flexible clamping chain, and the protective pads are located on the corresponding sides of jaw A and jaw B.

5. The easy-to-use crucible tongs according to claim 1, characterized in that: Anti-slip pads are provided on the inner sides of the corresponding jaws A and B.

6. The easy-to-use crucible tongs according to claim 1, characterized in that: The handle A, the clamp arm A, and the clamp jaw A are integrated into one piece, and the handle B, the clamp arm B, and the clamp jaw B are integrated into one piece.

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