Hydraulic cutter handle facilitating inner cavity welding
By adopting a closed structure design with a welding sealing plate and a fixed baffle in the hydraulic tool holder, the problem of weak connection during welding is solved, achieving higher stability and convenient assembly and disassembly.
Patent Information
- Application Number
- CN202520002484.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-02
AI Technical Summary
Traditional hydraulic tool holders are prone to turbulence during welding, which can lead to weld seams, weak connections, and potential safety hazards such as oil leaks.
A hydraulic tool holder that facilitates internal cavity welding is designed. It employs welding of a sealing plate and a fixed baffle, and forms a closed structure through a sealing extrusion plate, combined with a threaded fixed connection to improve connection stability.
It effectively reduces the risk of oil leakage, improves the stability and reliability of the hydraulic tool holder, and facilitates the quick assembly and disassembly of the expansion core body, thus enhancing the practicality of the device.
Smart Images
Figure CN223820094U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hydraulic tool holder technical field, especially a hydraulic tool holder convenient for inner chamber welding. BACKGROUND
[0002] In the traditional hydraulic tool holder design, the expansion core and the tool holder body need to be fixed together by welding, however, due to the limitation of welding technology, the welding material is prone to turbulence phenomenon, resulting in weld, and further causing hydraulic tool holder oil leakage and other problems, which threatens the stability and reliability of the hydraulic tool holder, therefore, in order to solve the above problems, the utility model provides a hydraulic tool holder convenient for inner chamber welding. CONTENT OF THE UTILITY MODEL
[0003] (I) technical problems solved
[0004] In view of the shortage of prior art, the utility model provides a hydraulic tool holder convenient for inner chamber welding, solves the technical problem that due to the limitation of welding technology, the welding material is prone to turbulence phenomenon, the turbulence phenomenon causes weld in the welding process, the existence of weld makes the expansion core and the tool holder body not firm, and the not firm connection causes the hydraulic tool holder to possibly leak oil and other safety hazards.
[0005] (II) technical scheme
[0006] In order to realize the above object, the utility model realizes by the following technical scheme:
[0007] A hydraulic tool holder convenient for inner chamber welding, comprising a hydraulic tool holder body and an expansion core body, the side end of the expansion core body is provided with a pressurizing bolt, the inner side of the expansion core body is provided with an expansion wall, an oil cavity is arranged between the expansion core body and the expansion wall, a fixed baffle is arranged in the oil cavity, one side of the fixed baffle is provided with a welding sealing plate, the outer side of the welding sealing plate is provided with a sealing extrusion plate, the pressurizing bolt is communicated with the oil cavity, the welding sealing plate is welded with the fixed baffle, and the sealing extrusion plate is screw-fixedly connected with the inner chamber of the oil cavity.
[0008] Preferably, a threaded fixing ring is sleeved on the hydraulic tool holder body, a threaded limiting hole one is formed in the threaded fixing ring, the expansion core body is sleeved on the outer side of the hydraulic tool holder body, and the expansion core body is located at one side of the threaded fixing ring.
[0009] Preferably, a threaded limiting hole two is formed in the expansion core body, a limiting bolt is screw-installed on the threaded limiting hole two, and the limiting bolt is screw-installed with the threaded limiting hole one.
[0010] (III) beneficial effects
[0011] One, by the hydraulic tool holder with the inner cavity welding of the expansion core body design is welded with the welding sealing plate and fixed baffle, then the sealing extrusion plate is installed on one side of the welding sealing plate by screwing, and then after the welding of the welding sealing plate and the fixed baffle, the sealing extrusion plate is extruded and fixed to the welding sealing plate, and at the same time, the sealing extrusion plate forms a closed structure on one side of the oil cavity, which reduces the risk of oil leakage and effectively improves the stability and reliability of the product.
[0012] Two, by the hydraulic tool holder with the inner cavity welding of the expansion core body design is quickly disassembled, so that the expansion core body can be quickly fixed and disassembled between the expansion core body and the threaded fixing ring after adjusting the threaded fixing ring during installation and maintenance, thereby effectively improving the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS
[0013] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and can be implemented according to the content of the specification, the following is a preferred embodiment of the present application and the detailed description of the drawings.
[0014] Figure 1 It is the structure diagram of the hydraulic tool holder body of the present application;
[0015] Figure 2 It is the structure diagram of the hydraulic tool holder body of the present application;
[0016] Figure 3 It is the structure diagram of the hydraulic tool holder body of the present application;
[0017] Figure 4 It is the structure diagram of the hydraulic tool holder body of the present application;
[0018] Legend: 1, hydraulic tool holder body; 11, threaded fixing ring; 12, threaded limiting hole one; 13, threaded limiting hole two; 14, limiting bolt; 2, expansion core body; 21, pressure bolt; 22, expansion wall; 23, oil cavity; 24, fixed baffle; 25, welding sealing plate; 26, sealing extrusion plate. DETAILED DESCRIPTION
[0019] The hydraulic tool holder with the inner cavity welding provided by the application embodiment effectively solves the technical problem that due to the limitation of welding technology, the welding material is easy to produce turbulence phenomenon, the turbulence phenomenon leads to welding seam in the welding process, the existence of the welding seam makes the expansion core and the tool holder body not firm, and the not firm connection leads to the safety hidden trouble of the hydraulic tool holder that may leak oil.
[0020] EMBODIMENT
[0021] According to Figure 1 , Figure 2 ,Figure 3 、and Figure 4 As shown in the technical scheme in the embodiments of the present application, the technical scheme effectively solves the technical problem that due to the limitation of welding technology, the welding material is prone to turbulence phenomenon, the turbulence phenomenon leads to the appearance of welds in the welding process, the existence of the welds makes the connection between the expansion core and the shank body not firm, and the not firm connection leads to the possible oil leakage of the hydraulic shank and other safety hazards, and the general idea is as follows:
[0022] In view of the problems in the prior art, the utility model provides a hydraulic shank convenient for inner cavity welding, which comprises a hydraulic shank body 1 and an expansion core body 2, the side end part of the expansion core body 2 is provided with a pressurizing bolt 21, the inner side of the expansion core body 2 is provided with an expansion wall 22, an oil cavity 23 is arranged between the expansion core body 2 and the expansion wall 22, a fixed baffle 24 is arranged in the oil cavity 23, one side of the fixed baffle 24 is provided with a welding sealing plate 25, the outer side of the welding sealing plate 25 is provided with a sealing extrusion plate 26, wherein the pressurizing bolt 21 is communicated with the oil cavity 23, the welding sealing plate 25 is welded with the fixed baffle 24, the sealing extrusion plate 26 is screw-fixedly connected with the inner cavity of the oil cavity 23, the welding sealing plate 25 is placed on the fixed baffle 24, then welding material is smeared, high-temperature welding furnace is used for welding, after cooling, the sealing extrusion plate 26 is screw-installed with the fixed baffle 24, then oil injection is carried out, and then pressure maintaining test is carried out.
[0023] A threaded fixing ring 11 is threadedly sleeved on the hydraulic shank body 1, a threaded limiting hole one 12 is formed in the threaded fixing ring 11, the expansion core body 2 is sleeved on the outer side of the hydraulic shank body 1, the position of the expansion core body 2 is located on one side of the threaded fixing ring 11, a threaded limiting hole two 13 is formed in the expansion core body 2, a limiting bolt 14 is screw-installed on the threaded limiting hole two 13, the limiting bolt 14 is screw-installed with the threaded limiting hole one 12, the threaded fixing ring 11 is screw-installed with the hydraulic shank body 1, then the expansion core body 2 is sleeved on one side of the threaded fixing ring 11, then the position of the threaded fixing ring 11 is rotated and adjusted, so that the threaded limiting hole one 12 is aligned with the threaded limiting hole two 13, then the threaded limiting hole one 12 and the threaded limiting hole two 13 are limited and fixed by the limiting bolt 14, so that the limiting and fixing of the expansion core body 2 are completed.
[0024] Working principle:
[0025] The first step involves welding the hydraulic tool holder, which facilitates internal cavity welding. The welding sealing plate 25 is then placed on the fixed baffle 24, welding material is applied, and welding is performed in a high-temperature welding furnace. After cooling, the sealing extrusion plate 26 is threaded onto the fixed baffle 24. Oil is then injected, followed by a pressure test. By designing the expansion core body 2 of the hydraulic tool holder, which facilitates internal cavity welding, to be welded to the fixed baffle 24 using the welding sealing plate 25, and then threading the sealing extrusion plate 26 onto one side of the welding sealing plate 25, the sealing extrusion plate 26 presses and fixes the welding sealing plate 25 after welding. Simultaneously, the sealing extrusion plate 26 forms a closed structure on one side of the oil cavity 23, reducing the risk of oil leakage and effectively improving the product's stability and reliability.
[0026] The second step involves using a hydraulic tool holder that facilitates internal welding. The threaded retaining ring 11 is threaded onto the hydraulic tool holder body 1. The expansion core body 2 is then fitted onto one side of the threaded retaining ring 11. The position of the threaded retaining ring 11 is then adjusted by rotating it so that the first threaded limiting hole 12 aligns with the second threaded limiting hole 13. A limiting bolt 14 is then used to limit and fix the first threaded limiting hole 12 and the second threaded limiting hole 13, thus completing the limiting and fixing of the expansion core body 2. By designing the expansion core body 2 of the hydraulic tool holder, which facilitates internal welding, to be quickly disassembled, the expansion core body 2 can be quickly fixed and disassembled with the threaded retaining ring 11 after adjustment of the threaded retaining ring 11, using the limiting bolt 14 during installation and maintenance. This effectively improves the practicality of the device.
[0027] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.
Claims
1. A hydraulic tool holder for easy internal welding, comprising a hydraulic tool holder body (1) and an expansion core body (2), characterized in that, The expansion core body (2) is provided with a pressure bolt (21) at its side end. An expansion wall (22) is provided on the inner side of the expansion core body (2). An oil cavity (23) is provided between the expansion core body (2) and the expansion wall (22). A fixed baffle (24) is provided in the oil cavity (23). A welding sealing plate (25) is provided on one side of the fixed baffle (24). A sealing extrusion plate (26) is provided on the outer side of the welding sealing plate (25). The pressure bolt (21) is connected to the oil cavity (23), the welding sealing plate (25) is welded to the fixed baffle (24), and the sealing extrusion plate (26) is threadedly fixed to the inner cavity of the oil cavity (23).
2. A hydraulic tool holder for easy internal cavity welding according to claim 1, characterized in that, A threaded retaining ring (11) is threadedly fitted onto the hydraulic tool holder body (1).
3. A hydraulic tool holder for easy internal cavity welding according to claim 2, characterized in that, The threaded retaining ring (11) is provided with a threaded limiting hole (12).
4. A hydraulic tool holder for easy internal cavity welding according to claim 3, characterized in that, The expansion core body (2) is sleeved on the outside of the hydraulic tool holder body (1), and the position of the expansion core body (2) is located on one side of the threaded fixing ring (11).
5. A hydraulic tool holder for easy internal cavity welding according to claim 4, characterized in that, The expansion core body (2) is provided with a threaded limiting hole 2 (13).
6. A hydraulic tool holder for easy internal cavity welding according to claim 5, characterized in that, A limiting bolt (14) is threadedly installed on the second threaded limiting hole (13), and the limiting bolt (14) is threadedly installed with the first threaded limiting hole (12).