Novel reinforcing steel bar mechanical connection chain type torque wrench

By designing a new type of steel bar mechanical connection chain torque wrench with fastening components and disassembly structure, the problem of chain wrenches in confined spaces has been solved, enabling rapid chain replacement and fixation, thus improving applicability and work efficiency.

CN223573047UActive Publication Date: 2025-11-21CHINA CONSTR THIRD BUREAU GRP (HAINAN) CO LTD +2
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Patent Information

Application Number
CN202423245523.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-21
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Existing chain wrenches are not convenient for constructing mechanical connection sleeves for reinforcing bars in confined spaces, and it is difficult to limit and fix the chain, which reduces applicability and work efficiency.

Method used

A novel rebar mechanical connection chain torque wrench was designed, comprising fastening components, auxiliary connection components, disassembly and assembly components, and auxiliary hanging components. Through fastening the chain, fixing the clamp, and disassembly and assembly structure, the chain can be quickly replaced and fixed, adapting to the construction needs of different rebar diameters.

Benefits of technology

It improves the ability of chain torque wrenches to operate in confined spaces, enhances flexibility and applicability, reduces maintenance and replacement time, and improves portability and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of chain type torque wrenches, and discloses a novel reinforcing steel bar mechanical connection chain type torque wrench which comprises a handle, an opening groove is formed in one side of the handle, and a hanging hole is formed in the handle. The fastening assembly comprises a fixed toothed handle head installed at the end, away from the hanging hole, of the handle and a fixed clamping tooth fixedly installed on the fixed toothed handle head, and an auxiliary fixed clamping nozzle is fixedly installed at one end of the fixed toothed handle head. Through the arrangement of the fastening assembly and the auxiliary connecting assembly, construction of a reinforcing steel bar mechanical connecting sleeve in a narrow space can be completed, the chain type torque wrench is simple in structure and high in applicability, the clamping nozzle is controlled to be inserted into different positions of the chain, the chain type torque wrench can be suitable for construction of mechanical connecting sleeves with reinforcing steel bars of different diameters, and construction efficiency is improved. The flexibility of the chain type torque wrench is greatly improved, and meanwhile, the fastening construction of the reinforcing steel bar mechanical connection sleeve can be rapidly carried out.
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Description

TECHNICAL FIELD

[0001] The utility model relates to chain type torque wrench technical field, concretely is a new type reinforced mechanical connection chain type torque wrench. BACKGROUND

[0002] The main function of torque wrench is to ensure that the torque reaches the predetermined value when tightening the bolt or nut. Torque is the product of force and arm, and torque wrench converts the applied force into torque through mechanical structure. Chain type torque wrench uses the tension and sliding principle of chain to realize the application of torque.

[0003] The utility model discloses a chain type wrench in the patent with the application number CN202221164419.7, the utility model discloses, through the mutual cooperation of the setting composite handle, chain, clamping head, can form chain type wrench, relative to traditional hook type wrench, when using, can be adapted to different specifications of round nut or flat nut, the use range is wide, and the practicality is stronger, and the component of composite handle, chain, clamping head is simple and easy to obtain, and the processing cost is low, after using the chain type wrench of cooperation above, can increase the friction between chain type wrench twist port and round nut or flat nut, facilitate the user to exert force and twist, improve the comfort of use, but the chain type wrench of prior art is inconvenient for the construction of reinforced mechanical connection sleeve in narrow space when using, thereby reduce the applicability of chain type wrench, simultaneously, it is difficult to limit and fix the chain to a certain extent, therefore, it is not applicable to the mechanical connection sleeve construction of different reinforced diameters, thereby reduce the work efficiency and flexibility of the chain type wrench. UTILITY MODEL CONTENTS

[0004] The utility model discloses a new type reinforced mechanical connection chain type torque wrench, solve the problem of inconvenient quick replacement and maintenance of chain on the wrench in the background art.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0006] A new type reinforced mechanical connection chain type torque wrench, comprising:

[0007] The handle is provided with an opening slot on one side, and an installation seat is fixedly installed inside the opening slot. A hanging hole is formed in the handle, and a fastening chain is installed on the installation seat. An auxiliary hanging assembly is arranged at the end of the handle away from the fastening chain.

[0008] The fastening assembly comprises a fixed toothed handle head mounted at one end of the handle away from the holding hole, and a fixed clamping tooth mounted on the fixed toothed handle head, one end of the fixed toothed handle head is fixedly mounted with an auxiliary fixed clamping nozzle, the fixed clamping nozzle can effectively fix and limit the fastening chain, avoid the fastening chain from shaking and falling, and can fasten the object to be tightened, thereby greatly improving the flexibility of the mechanical connection chain type torque wrench.

[0009] Preferably, an auxiliary connecting assembly is arranged between the fixed toothed handle head and the handle, the auxiliary connecting assembly comprises an auxiliary fixed clamping plate fixedly mounted between the fixed toothed handle head and the handle, the auxiliary fixed clamping plate can make the fixed toothed handle head more stable when tightening the object, and can avoid the fixed toothed handle head from falling off the handle, thereby greatly improving the safety of the fixed toothed handle head.

[0010] Preferably, the auxiliary holding assembly comprises a hanging rope fixedly mounted at one end of the handle away from the mounting seat, the hanging rope can effectively quickly hold and place the mechanical connection chain type torque wrench, thereby avoiding the mechanical connection chain type torque wrench from being lost due to being placed on the ground.

[0011] Preferably, a dismounting assembly is arranged between the mounting seat and the fastening chain, the dismounting assembly comprises a fixed hole formed in the mounting seat and a fixed clamping column inserted into the fixed hole and the mounting seat, a fixed lead screw is rotatably mounted in the fixed clamping column, the bottom of the fixed lead screw extends out of the fixed clamping column, a second fixed soft pad is screwed on the fixed lead screw, the top of the second fixed soft pad abuts against the bottom of the fixed clamping column, the fixed soft pad can properly protect the fastening chain, thereby reducing the probability of damage of the fastening chain and greatly improving the service life of the fastening chain.

[0012] Preferably, a first fixed soft pad is fixedly mounted at the top of the fixed clamping column, and an auxiliary dismounting handle is fixedly mounted at the top of the fixed clamping column, a threaded hole is formed in the first fixed soft pad, and the bottom of the auxiliary dismounting handle abuts against the first fixed soft pad.

[0013] Preferably, an auxiliary anti-skid assembly is arranged on the handle, the auxiliary anti-skid assembly comprises an anti-skid hand pad sleeved on the handle, the anti-skid hand pad can properly prevent the handle from slipping, thereby avoiding the handle from slipping when a worker rotates the handle and greatly improving the safety of the mechanical connection chain type torque wrench.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a fastening assembly and auxiliary assembly can be set up in the narrow space of reinforcing steel bar mechanical connection sleeve construction, so as to improve the working efficiency of chain type torque wrench, and the chain type torque wrench is simple in structure, and the applicability is strong, and the control nozzle is inserted into the chain in different positions, and can be applicable to the mechanical connection sleeve construction of different reinforcing steel bar diameters, greatly improve the flexibility of the chain type torque wrench, and the fastening of reinforcing steel bar mechanical connection sleeve can be constructed quickly.

[0016] 2. The utility model discloses the setting of dismounting assembly can dismantle and replace fastening chain quickly and conveniently, reduce the time and cost of fastening chain maintenance and maintenance, and the fastening chain can be replaced according to actual demand to different length to satisfy the use demand of different application scenes, more flexible and fast, can adapt to different working environment, and the fastening chain is also convenient for storage by dismounting, so that the staff carries personally, greatly improve the portability of chain type torque wrench. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic drawing of the utility model;

[0018] Figure 2 It is the sectional view of the utility model;

[0019] Figure 3 It is the structure schematic drawing of dismounting assembly of the utility model;

[0020] Figure 4 It is the structure schematic drawing of fastening assembly of the utility model.

[0021] Among them: 1, handle, 2, mounting seat, 3, dismounting assembly, 4, fastening chain, 5, fastening assembly, 6, antiskid hand pad, 7, hanging hole, 8, hanging rope,

[0022] 31, fixed clamping column, 32, first fixed soft pad, 33, second fixed soft pad, 34, fixed screw rod, 35, auxiliary dismounting handle,

[0023] 51, fixed toothed handle head, 52, auxiliary fixed clamping plate, 53, auxiliary fixed nozzle. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer toFigure 1 and Figure 2 The utility model provides a new type steel bar mechanical connection chain type torque wrench, include: handle 1, the one side of handle 1 is seted up open slot, open slot's inside fixed mounting has installed seat 2, set up hanging hole 7 on handle 1, install fastening chain 4 on installed seat 2, the one end of handle 1 away from fastening chain 4 is provided with auxiliary hanging assembly;Auxiliary hanging assembly includes fixed mounting in the one end of handle 1 away from installed seat 2 hanging rope 8.

[0026] When using, the staff first holds handle 1 by hand, and holds handle 1 and moves handle 1 to the appropriate position, then the staff aims handle 1 at the mechanical connection sleeve that needs to be tightened, then makes fastening chain 4 around the mechanical connection sleeve that needs to be tightened, makes fastening chain 4 complete the winding of mechanical connection sleeve, simultaneously the staff holds handle 1 by hand and rotates, so that fastening chain 4 also rotates along with handle 1, therefore the mechanical connection sleeve around in fastening chain 4 can be tightened by the rotation of fastening chain 4, to complete the mechanical connection sleeve construction of different models, greatly improve the adaptability of steel bar mechanical connection chain type torque wrench, simultaneously when the mechanical connection sleeve construction is completed, the staff can aim hanging hole 7 or hanging rope 8 at the hook, then inserts hanging hole 7 or hanging rope 8 into the hook and completes the hanging of chain type torque wrench, avoids the chain type torque wrench to be placed directly on the ground, prevents the loss of chain type torque wrench.

[0027] Please refer to Figure 1 、 Figure 2 and Figure 4 Fastening assembly 5, fastening assembly 5 includes fixed toothed handle head 51 installed at the one end of handle 1 away from hanging hole 7 and fixed clamping tooth fixedly installed on fixed toothed handle head 51, one end of fixed toothed handle head 51 is fixedly installed with auxiliary fixed clamping mouth 53;Fixed toothed handle head 51 and handle 1 are provided with auxiliary connection assembly, and the auxiliary connection assembly includes auxiliary fixed clamping plate 52 fixedly installed between fixed toothed handle head 51 and handle 1.

[0028] When the mechanical connection sleeve needs to be fastened, first rotate the fastening chain 4 around the mechanical connection sleeve for one turn to complete the winding of the mechanical connection sleeve, then insert the auxiliary fixing jaw 53 into the gap of the fastening chain 4 to complete the fixing between the fastening chain 4 and the mechanical connection sleeve, then the worker rotates the handle 1 to complete the construction tightening of the mechanical connection sleeve, at the same time the fixed jaw is also in contact with the surface of the mechanical connection sleeve to increase the friction between the fixed toothed handle 51 and the mechanical connection sleeve, preventing the chain type torque wrench from slipping and shaking during construction tightening of the mechanical connection sleeve, and by inserting the auxiliary fixing jaw 53 into different gaps of the fastening chain 4, the construction of the mechanical connection sleeve in different spaces can be completed, so as to improve the working efficiency of the chain type torque wrench. Moreover, the chain type torque wrench has simple structure and strong applicability, greatly improving the flexibility of the chain type torque wrench, and the auxiliary fixing jaw 52 can further increase the stability between the fixed toothed handle 51 and the handle 1, avoiding the fixed toothed handle 51 from falling off during construction of the mechanical connection sleeve.

[0029] Please refer to Figure 1 - Figure 3 , the mounting seat 2 and the fastening chain 4 are provided with a disassembly assembly 3, the disassembly assembly 3 includes a fixed hole opened on the mounting seat 2 and a fixed jaw 31 inserted into the fixed hole and the mounting seat 2, the inside of the fixed jaw 31 is rotatably installed with a fixed lead screw 34, the bottom of the fixed lead screw 34 extends out of the fixed jaw 31, the fixed lead screw 34 is screwed with a second fixed soft pad 33, the top of the second fixed soft pad 33 is in contact with the bottom of the fixed jaw 31; the top of the fixed jaw 31 is fixedly installed with a first fixed soft pad 32 and an auxiliary disassembly handle 35 fixedly installed on the top of the fixed jaw 31, the first fixed soft pad 32 is provided with a threaded hole, the bottom of the auxiliary disassembly handle 35 is in contact with the first fixed soft pad 32; the handle 1 is provided with an auxiliary anti-skid assembly, the auxiliary anti-skid assembly includes an anti-skid hand pad 6 sleeved on the handle 1.

[0030] When the fastening chain 4 needs to be disassembled, the worker first holds and rotates the auxiliary disassembly handle 35, so that the fixed screw rod 34 rotates with the rotation of the auxiliary disassembly handle 35, and the second fixed soft pad 33 is moved from the fixed screw rod 34 to realize the disassembly of the second fixed soft pad 33, then the worker continues to rotate the auxiliary disassembly handle 35, so that the fixed screw rod 34 is screwed out of the fixed hole, so that the worker can quickly disassemble the fastening chain 4, reduce the time and cost of maintenance and repair of the fastening chain 4, and the fastening chain 4 can be replaced according to actual needs to meet the use requirements of different application scenarios, can adapt to different working environments, and is convenient for the worker to carry the chain type torque wrench. When the fastening chain 4 needs to be installed, first, the worker aligns the fixed hole of the fixed clamping column 31, rotates the auxiliary disassembly handle 35, makes the fixed clamping column 31 enter the inside of the fixed hole, aligns the second fixed soft pad 33 with the bottom of the fixed hole, then the worker continues to rotate the auxiliary disassembly handle 35, so that the second fixed soft pad 33 is screwed on the fixed screw rod 34, and then continues to rotate the auxiliary disassembly handle 35 to make the second fixed soft pad 33 abut against the bottom of the mounting seat 2, to complete the installation of the fastening chain 4, and the worker can prevent the handle 1 from falling off from the worker's hand through the anti-slip hand pad 6.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A novel chain-type torque wrench for mechanical connection of reinforcing bars, characterized in that, include: Handle (1), one side of the handle (1) has an opening groove, the inside of the opening groove is fixedly installed with a mounting base (2), the handle (1) has a hanging hole (7), the mounting base (2) is installed with a fastening chain (4), and the end of the handle (1) away from the fastening chain (4) is provided with an auxiliary hanging component. Fastening assembly (5) includes a fixed toothed handle head (51) installed on the end of the handle (1) away from the hanging hole (7) and a fixed locking tooth fixedly installed on the fixed toothed handle head (51). An auxiliary fixing locking mouth (53) is fixedly installed on one end of the fixed toothed handle head (51).

2. The novel chain-type torque wrench for mechanical connection of reinforcing bars according to claim 1, characterized in that: An auxiliary connecting component is provided between the fixed toothed handle head (51) and the handle (1), the auxiliary connecting component including an auxiliary fixing plate (52) fixedly installed between the fixed toothed handle head (51) and the handle (1).

3. A novel chain-type torque wrench for mechanical connection of reinforcing bars according to claim 1, characterized in that: The auxiliary hanging component includes a hanging rope (8) fixedly installed on the end of the handle (1) away from the mounting base (2).

4. A novel chain-type torque wrench for mechanical connection of reinforcing bars according to claim 1, characterized in that: A disassembly assembly (3) is provided between the mounting base (2) and the fastening chain (4). The disassembly assembly (3) includes a fixing hole opened on the mounting base (2) and a fixing pin (31) inserted into the fixing hole and the mounting base (2). A fixing screw (34) is rotatably installed inside the fixing pin (31). The bottom of the fixing screw (34) extends to the outside of the fixing pin (31). A second fixing pad (33) is screwed onto the fixing screw (34). The top of the second fixing pad (33) abuts against the bottom of the fixing pin (31).

5. A novel chain-type torque wrench for mechanical connection of reinforcing bars according to claim 4, characterized in that: The top of the fixed pin (31) is fixedly installed with a first fixed soft pad (32) and an auxiliary disassembly handle (35) fixedly installed on the top of the fixed pin (31). The first fixed soft pad (32) has a threaded hole, and the bottom of the auxiliary disassembly handle (35) is in contact with the first fixed soft pad (32).

6. A novel chain-type torque wrench for mechanical connection of reinforcing bars according to claim 1, characterized in that: The handle (1) is provided with an auxiliary anti-slip component, which includes an anti-slip hand pad (6) fitted on the handle (1).

Citation Information

Patent Citations

  • Chain type wrench

    CN217648292U