Tool connecting piece

By designing tool connectors with bosses, connecting screws and limit rings, the problem of difficulty in stabilizing the chuck during bolt tension test is solved, stable fixation and convenient disassembly of bolts are achieved, and the stability of the test and test are improved. Reliability reduces costs.

CN222144685UActive Publication Date: 2024-12-10CHENGDU HAIRUI PROD QUALITY TECH TESTING CO LTD
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Patent Information

Application Number
CN202420436933.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-07
Publication Date
2024-12-10
Estimated Expiration
2034-03-07

AI Technical Summary

Technical Problem

In bolt tensile test, both ends of the bolt are cylinders, and the chuck of the tension machine is difficult to clamp stably and firmly, resulting in unstable tests. When the bolt does not meet the standard requirements, it may break within the length of the screw thread. Or the thread buckle is deformed and stuck, affecting the next use of the fixture and increasing the cost.

Method used

A tooling connection piece is designed, including a boss, connecting screw, limit ring and removable fixture body. Through threaded connection and limit groove structures, the bolts are stable and conveniently disassembled, avoiding slippage and jamming. Phenomenon.

Benefits of technology

It improves the stability of bolt tension testing and the overall reliability of tests, reduces costs, and ensures the ability to use multiple times of fixtures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a tool connecting piece which comprises a boss and further comprises a connecting lead screw arranged on the inner wall of the boss, the other end of the connecting lead screw is fixedly connected with a bolt body, the outer side of the bolt body is fixedly connected with a limiting ring, and the outer side of the limiting ring is connected with a clamp body in a clamped mode. The tool connecting piece solves the problems that in the operation process of an existing bolt tension test, the two ends of a bolt are cylinders, a chuck of a tensile machine is difficult to stably and firmly clamp the two ends of the bolt, and when the tool connecting piece is generally used in the process that a threaded clamp exerts axial tension on the bolt, when the bolt meets the standard requirement, the bolt cannot be clamped stably and firmly. And when the bolt does not meet the standard requirement, the bolt may be fractured in the length of the screwed thread or the thread buckle deforms and is clamped in the internal thread clamp, the next use of the clamp is influenced, and the cost is increased, in the prior art, the bolt is broken in the length of the non-screwed thread or the non-threaded rod part, and when the bolt does not meet the standard requirement, the bolt may be fractured in the length of the screwed thread or the thread buckle deforms.
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Description

Technical Field

[0001] The utility model relates to the technical field of bolt tension testing, in particular to a tooling connector. Background Art

[0002] The performance of bolts is tested by various instruments, among which the tensile test can be tested by a hydraulic testing machine. Generally speaking, the bolts are first fixed on the fixture of the hydraulic testing machine, and then the tension reading is taken by the hydraulic testing machine.

[0003] At present, in the operation process of tensile testing on bolts, both ends of the bolts are cylinders, and it is difficult for the chuck of the tensile testing machine to stably and firmly clamp the two ends of the bolts. In the process of the threaded clamp generally used to apply axial tension to the bolts, when the bolts meet the standard requirements, the bolts should break within the length of the unthreaded thread or the threaded rod. When the bolts do not meet the standard requirements, the bolts may break within the length of the threaded thread or the thread buckle may be deformed and stuck in the internal thread clamp, affecting the next use of the clamp and increasing the cost.

[0004] Therefore, it is necessary to provide a new tooling connector to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a tooling connector which is easy to disassemble and reduces costs.

[0006] The tooling connector provided by the utility model includes a boss and also includes: a connecting screw rod arranged on the inner wall of the boss, the other end of the connecting screw rod is fixedly connected to a bolt body, the outer side of the bolt body is fixedly connected to a limiting ring, the outer side of the limiting ring is clamped with a clamp body, and the number of the clamp bodies is set to two.

[0007] As a tooling connector provided by the utility model, preferably, the inner wall of the boss is respectively provided with a mounting groove and a clamping groove for mounting the boss on a testing machine.

[0008] As a tooling connector provided by the utility model, preferably, a through hole is opened on the inner wall of the boss.

[0009] As a tooling connector provided by the utility model, preferably, the inner wall of the through hole is provided with an internal thread, and the outer side of the internal thread is threadedly connected to the outer side of the connecting screw rod.

[0010] As a tooling connector provided by the utility model, preferably, a limiting groove is provided on the inner wall of the clamp body, and the outer side of the limiting groove is clamped with the outer side of the limiting ring.

[0011] As a tooling connector provided by the utility model, preferably, a threaded hole is opened on the inner wall of the boss, and a first long screw is threadedly connected to the inner wall of the threaded hole.

[0012] As a tooling connector provided by the utility model, preferably, the outer side of the first long screw is threadedly connected to a mounting bracket, and the bottom of the mounting bracket is fixedly connected to a limiting block.

[0013] As a tooling connector provided by the utility model, preferably, the inner wall of the mounting frame is threadedly connected with a second long screw rod for connecting with the testing machine.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The tooling connector has a threaded end for connecting the tooling for bolt-related tests, and an annular boss at the other end for fixing on the tooling connected to the testing machine. The structure is highly integrated, and it is quick and easy to use. It effectively avoids slipping during the test, improves the stability of the test, and solves the problem that in the existing bolt tension test operation process, both ends of the bolt are cylinders, and the chuck of the tension machine is difficult to stably and firmly clamp the two ends of the bolt. In the process of applying axial tension to the bolt by a threaded clamp, when the bolt meets the standard requirements, the bolt should break within the length of the unthreaded thread or the threaded rod. When the bolt does not meet the standard requirements, the bolt may break within the length of the threaded thread or the thread buckle may be deformed and stuck in the internal thread clamp, affecting the next use of the clamp and increasing the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A structural schematic diagram of a preferred embodiment of a tooling connector provided by the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the boss and the connecting screw shown in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the bolt body and the clamp body shown in the utility model;

[0019] Figure 4 It is a schematic diagram of the overall structure of the boss shown in the utility model.

[0020] Numbers in the figure: 1, boss; 2, connecting screw; 3, bolt body; 4, limiting ring; 5, clamp body; 6, mounting groove; 7, clamping groove; 8, through hole; 9, internal thread; 10, limiting groove; 11, threaded hole; 12, first long screw; 13, mounting frame; 14, limiting block; 15, second long screw. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in Figure 1 A structural schematic diagram of a preferred embodiment of a tooling connector provided by the utility model; Figure 2 It is a schematic diagram of the structure of the boss and the connecting screw shown in the utility model; Figure 3 It is a structural schematic diagram of the bolt body and the clamp body shown in the utility model; Figure 4 The schematic diagram of the structure of the boss as a whole in the utility model is a tooling connector, comprising a boss 1, and further comprising: a connecting screw 2 arranged on the inner wall of the boss 1, the other end of the connecting screw 2 is fixedly connected to a bolt body 3, the outer side of the bolt body 3 is fixedly connected to a limit ring 4, the outer side of the limit ring 4 is clamped with a clamp body 5, and the number of the clamp bodies 5 is set to two.

[0023] It should be noted that: by setting the boss 1, it is convenient to connect with the testing machine, and it is also convenient to connect with the connecting screw rod 2. By setting the connecting screw rod 2, the bolt body 3 can be conveniently fixed. By setting the limit ring 4 and the coordinated use of the two clamp bodies 5, the bolt body 3 can be conveniently limited, and then the testing machine can conveniently perform a tensile test on the bolt body 3. It is explained here that the two clamp bodies 5 are set to be detachable, which improves the convenience of the device and prevents the bolt body 3 from being interrupted in the clamp body 5 during the test, affecting the next test. When it is necessary to perform a tensile test on the bolt body 3, the limit ring 4 is first installed on the outside of the bolt body 3, and then the connecting screw rod 2 is installed on one end of the bolt body 3, and then the connecting screw rod 2 is twisted into the boss 1, and then the two clamp bodies 5 are clamped on the outside of the limit ring 4 and the bolt body 3. It is explained here that the two clamp bodies 5 are threadedly connected to the bolt body 3, and then the two clamp bodies 5 are connected to the external tooling, and then the testing machine is turned on to test the tensile force of the bolt body 3.

[0024] refer to Figure 2 and Figure 4 As shown, the inner wall of the boss 1 is respectively provided with a mounting groove 6 and a clamping groove 7 for mounting the boss 1 on the testing machine; the inner wall of the boss 1 is provided with a through hole 8; the inner wall of the through hole 8 is provided with an internal thread 9, and the outer side of the internal thread 9 is connected to the outer thread of the connecting screw 2; by setting the mounting groove 6 and the clamping groove 7, the boss 1 can be conveniently connected and limited to the testing machine, and the boss 1 can be conveniently disassembled, and by setting the through hole 8 and the internal thread 9, it can be conveniently connected to the connecting screw 2.

[0025] refer to Figure 3As shown, a limiting groove 10 is provided on the inner wall of the clamp body 5, and the outer side of the limiting groove 10 is engaged with the outer side of the limiting ring 4; by providing the limiting groove 10, the limiting ring 4 can be conveniently limited, so as to facilitate the limitation of the bolt body 3.

[0026] refer to Figure 4 As shown, a threaded hole 11 is provided on the inner wall of the boss 1, and a first long screw 12 is threadedly connected to the inner wall of the threaded hole 11; a mounting frame 13 is threadedly connected to the outer side of the first long screw 12, and a limit block 14 is fixedly connected to the bottom of the mounting frame 13; a second long screw 15 for connecting to a testing machine is threadedly connected to the inner wall of the mounting frame 13; by setting the threaded hole 11, the connection with the first long screw 12 can be conveniently made, and by setting the first long screw 12, the mounting frame 13 can be conveniently installed outside the boss 1, and by setting the mounting frame 13 and the limit block 14 for coordinated use, the boss 1 can be conveniently installed and limited, and by setting the second long screw 15, the mounting frame 13 can be conveniently installed on the testing machine, and the mounting frame 13 can be conveniently disassembled.

[0027] The working principle of a tooling connector provided by the utility model is as follows:

[0028] When in use, first install the limit ring 4 outside the bolt body 3, then install the connecting screw 2 at one end of the bolt body 3, then twist the connecting screw 2 into the boss 1, and then clamp the two clamp bodies 5 outside the limit ring 4 and the bolt body 3. It is explained here that the two clamp bodies 5 are threadedly connected to the bolt body 3, and then the two clamp bodies 5 are connected to the external tooling, and then the testing machine is turned on to test the tension of the bolt body 3. It is explained here that the two clamp bodies 5 are set to be detachable, which improves the convenience of the device and prevents the bolt body 3 from being interrupted in the clamp body 5 during the test, affecting the next test. By setting the installation groove 6 and the card slot 7 for use in combination, the boss 1 and The testing machine is connected and limited, and the boss 1 is convenient for disassembly. By setting the through hole 8 and the internal thread 9, it can be conveniently connected to the connecting screw 2. By setting the limiting groove 10, the limiting ring 4 can be conveniently limited, so as to limit the bolt body 3. By setting the threaded hole 11, it is convenient to connect with the first long screw 12. By setting the first long screw 12, the mounting frame 13 can be conveniently installed outside the boss 1. By setting the mounting frame 13 and the limiting block 14, the boss 1 can be conveniently installed and limited. By setting the second long screw 15, the mounting frame 13 can be conveniently installed on the testing machine, and the mounting frame 13 can be conveniently disassembled.

[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A tooling connector, comprising a boss (1), characterized in that: Also includes: A connecting screw rod (2) is arranged on the inner wall of the boss (1), the other end of the connecting screw rod (2) is fixedly connected to a bolt body (3), the outer side of the bolt body (3) is fixedly connected to a limit ring (4), the outer side of the limit ring (4) is clamped with a clamp body (5), and the number of the clamp bodies (5) is set to two.

2. The tooling connector according to claim 1, characterized in that: The inner wall of the boss (1) is respectively provided with a mounting groove (6) and a clamping groove (7) for mounting the boss (1) on a testing machine.

3. The tooling connector according to claim 1, characterized in that: The inner wall of the boss (1) is provided with a through hole (8).

4. The tooling connector according to claim 3, characterized in that: The inner wall of the through hole (8) is provided with an internal thread (9), and the outer side of the internal thread (9) is threadably connected to the outer side of the connecting screw rod (2).

5. The tooling connector according to claim 1, characterized in that: The inner wall of the clamp body (5) is provided with a limiting groove (10), and the outer side of the limiting groove (10) is clamped with the outer side of the limiting ring (4).

6. The tooling connector according to claim 1, characterized in that: The inner wall of the boss (1) is provided with a threaded hole (11), and the inner wall of the threaded hole (11) is threadedly connected with a first long screw rod (12).

7. The tooling connector according to claim 6, characterized in that: The outer side of the first long screw (12) is threadedly connected to a mounting frame (13), and the bottom of the mounting frame (13) is fixedly connected to a limiting block (14).

8. The tooling connector according to claim 7, characterized in that: The inner wall of the mounting frame (13) is threadedly connected with a second long screw rod (15) for connecting with a testing machine.