Multifunctional hydraulic wrench
By setting two movable handles on the outside of the hydraulic wrench and using the combination of connecting rod, limit pin and spring to achieve fixing and adjusting the handle position, the problem of difficulty in adjusting the wrench position caused by the inability of workers to find the point for applying force is solved, and the accuracy and efficiency of rotation tightening are improved.
Patent Information
- Application Number
- CN202421779390.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-26
AI Technical Summary
When using existing hydraulic wrenches, workers cannot find the point where they can apply force, resulting in the inability to adjust the position of the wrench in time, which is prone to rotation and tightening errors, reducing rotation efficiency.
A multi-function hydraulic wrench is designed. By setting two movable handles on the outside of the wrench main body, two movable handles are provided to facilitate workers to adjust the position of the wrench according to the position of the bolt. The first handle is position fixed and adjusted through the combination of the connecting rod, limiting pin and spring; the second handle is positioned by the locking bolt.
Two urging points are provided to facilitate workers to adjust the wrench position, improve the accuracy and efficiency of rotation tightening, and reduce the possibility of errors.
Smart Images

Figure CN222945421U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of hydraulic wrenches, in particular to a multifunctional hydraulic wrench. Background Art
[0002] A hydraulic wrench is a bolt hydraulic tool that can output and set torque. It uses hydraulic principles to achieve torque transmission and belongs to the category of high-pressure hydraulic tools. It is mainly composed of a hydraulic pump, a hydraulic cylinder, a wrench head, an oil pipe, etc. The hydraulic wrench can provide a higher torque output and can easily cope with high-torque bolts and nuts. It is suitable for bolts and nuts of various specifications and types and is widely used in petrochemical, wind power, hydropower, thermal power, mining, machinery, steel mills, rubber, pipelines and other industries.
[0003] With the existing hydraulic wrenches, workers can only hold the outer surface of the wrench to control it. Since there is no point for applying force, workers cannot adjust the position of the wrench in time, which makes it easy to make mistakes when rotating and tightening, and reduces the rotation efficiency. Therefore, we propose a multifunctional hydraulic wrench to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a multifunctional hydraulic wrench to solve the problem that in the existing hydraulic wrench proposed in the above background technology, workers can only hold the outer surface of the wrench to control the hydraulic wrench. Because there is no point for applying force, the worker cannot adjust the position of the wrench in time, which makes it easy to make mistakes when rotating and tightening, thereby reducing the rotation efficiency.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multifunctional hydraulic wrench, comprising a wrench body;
[0006] Also includes:
[0007] A movable groove is integrally formed and arranged on the left side of the upper end of the wrench body, a first rotating shaft is arranged inside the movable groove, a rotating ring is arranged outside the first rotating shaft, and the rotating ring rotates inside the movable groove through the first rotating shaft, and a first handle is arranged on one side outside the rotating ring;
[0008] The fixing frame is arranged outside the wrench body, and the second rotating shafts are symmetrically arranged on both sides of the outside of the wrench body. The bottom sides of the fixing frame swing outside the wrench body by engaging with the second rotating shafts, and the upper end of the fixing frame is provided with a second handle.
[0009] Preferably, a connecting rod is provided inside the first handle, and the upper end of the connecting rod extends out of the upper end of the first handle, a limiting block is provided in the middle part of the outer side of the connecting rod, a spring is provided outside the connecting rod, and the spring is engaged between the limiting block and the upper end of the inner side of the first handle, a limiting pin is provided at the bottom of the connecting rod, a through groove is provided on the surface of the rotating ring, a plurality of limiting grooves are evenly distributed on the surface of the first rotating shaft, and the limiting pin passes through the through groove and engages with one of the limiting grooves.
[0010] Preferably, a threaded hole is provided on the surface of one of the second rotating shafts, and a locking bolt is connected to the external thread of the threaded hole.
[0011] Preferably, a pull ring is provided at the upper end of the connecting rod, and the pull ring is fixed to the upper end of the connecting rod through a second rotating seat.
[0012] Preferably, a hanging ring is provided on the front side of the wrench body, and the hanging ring is installed on the front side of the wrench body through a first rotating seat.
[0013] Preferably, a rotating member is provided on one side of the outside of the wrench body, an illuminating lamp is provided on one end of the rotating member, and the illuminating lamp swings on the side of the outside of the wrench body through the rotating member.
[0014] Preferably, the outer part of the first handle is covered with a first anti-slip cover, and the outer part of the second handle is covered with a second anti-slip cover.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. By arranging two movable handles on the outside of the wrench body, the staff can hold the two handles to hold the wrench body when tightening the bolts, which is convenient for the staff to adjust the position of the wrench body according to the position of the bolt, thereby providing two force application points for the wrench body, thereby facilitating the adjustment of the wrench body.
[0017] 2. A connecting rod is arranged inside the first handle, a pull ring is arranged at the upper end of the connecting rod, and a limit pin is arranged at the bottom end of the connecting rod, and the limit pin is engaged with the limit groove on the outer side of the first rotating shaft to fix the position of the first handle. When the position of the first handle needs to be adjusted, the pull ring can be pulled to lift the connecting rod upward to disengage the limit pin from the inside of the limit groove. After adjusting the position, the pull ring can be loosened, and the connecting rod can be lowered under the action of the spring to make the limit pin engage in the limit groove at the corresponding position for fixation. The position of the second handle is adjusted by the locking bolt. Loosening the locking bolt allows the second handle to be adjusted. After the position is adjusted, the locking bolt can be tightened to fix the second handle. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 3 This is the overall structural front view of the utility model;
[0021] Figure 4 This is an internal cross-sectional view of the first handle of the utility model;
[0022] In the figure: 1. wrench body; 2. limit pin; 3. limit groove; 4. through groove; 5. first handle; 6. second handle; 7. second anti-slip sleeve; 8. first anti-slip sleeve; 9. fixing frame; 10. locking bolt; 11. rotating member; 12. lighting lamp; 13. hanging ring; 14. first rotating seat; 15. pull ring; 16. rotating ring; 17. first rotating shaft; 18. second rotating seat; 19. spring; 20. connecting rod; 21. limit block; 22. movable groove; 23. second rotating shaft; 24. threaded hole. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0024] See also Figure 1-4 , the utility model provides an embodiment: a multifunctional hydraulic wrench, comprising a wrench body 1;
[0025] Also includes:
[0026] The movable groove 22 is integrally formed and arranged on the left side of the upper end of the wrench body 1. The movable groove 22 is provided with a first rotating shaft 17 inside, and a rotating ring 16 is provided outside the first rotating shaft 17. The rotating ring 16 rotates inside the movable groove 22 through the first rotating shaft 17, and a first handle 5 is provided on one side outside the rotating ring 16;
[0027] The fixing frame 9 is arranged outside the wrench body 1, and the second rotating shaft 23 is symmetrically arranged on both sides of the outside of the wrench body 1, and the bottom sides of the fixing frame 9 swing outside the wrench body 1 by engaging with the second rotating shaft 23, and the upper end of the fixing frame 9 is provided with a second handle 6.
[0028] Two movable handles are arranged on the outside of the wrench body 1, so that the staff can hold the two handles to hold the wrench body 1 when tightening the bolts, which is convenient for the staff to adjust the position of the wrench body 1 according to the position of the bolt, thereby providing two force application points for the wrench body 1, thereby facilitating the adjustment of the wrench body 1.
[0029] See also Figure 4 A connecting rod 20 is provided inside the first handle 5, and the upper end of the connecting rod 20 extends out of the upper end of the first handle 5, a limiting block 21 is provided in the middle of the outer side of the connecting rod 20, a spring 19 is provided outside the connecting rod 20, and the spring 19 is engaged between the limiting block 21 and the upper end of the inner side of the first handle 5, a limiting pin 2 is provided at the bottom of the connecting rod 20, a through groove 4 is provided on the surface of the rotating ring 16, a plurality of limiting grooves 3 are evenly distributed on the surface of the first rotating shaft 17, and the limiting pin 2 passes through the through groove 4 and is engaged with one of the limiting grooves 3 to fix the position of the first handle 5.
[0030] See also Figure 1-2 A threaded hole 24 is provided on the surface of one of the second rotating shafts 23 , and a locking bolt 10 is connected to the external thread of the threaded hole 24 to fix the second handle 6 .
[0031] See also Figure 4 A pull ring 15 is provided at the upper end of the connecting rod 20 , and the pull ring 15 is fixed to the upper end of the connecting rod 20 through a second rotating seat 18 , so as to facilitate pulling the connecting rod 20 .
[0032] See also Figure 1 A hanging ring 13 is provided on the front side of the wrench body 1. The hanging ring 13 is installed on the front side of the wrench body 1 through a first rotating seat 14, so as to fix the wrench body 1 when not in use.
[0033] See also Figure 1 A rotating part 11 is provided on the outer side of the wrench body 1, and a lighting lamp 12 is provided at one end of the rotating part 11. The lighting lamp 12 is swung on the outer side of the wrench body 1 through the rotating part 11. The lighting lamp 12 can provide illumination, and the rotating part 11 can adjust the position of the lighting lamp 12.
[0034] See also Figure 1 The first handle 5 is covered with a first anti-slip cover 8 on the outside, and the second handle 6 is covered with a second anti-slip cover 7 on the outside, so as to improve the anti-slip properties of the two handles.
[0035] Working principle: The hydraulic wrench can be controlled by holding the two handles with two hands respectively. The two handles can be adjusted separately to adapt to different holding methods in different occasions. When the position of the first handle 5 needs to be adjusted, the pull ring 15 can be pulled to pull the connecting rod 20 upward to disengage the limit pin 2 from the inside of the limit groove 3. After adjusting the position, loosen the pull ring 15, and the connecting rod 20 can be lowered under the action of the spring 19 to make the limit pin 2 fit into the limit groove 3 at the corresponding position for fixation. The position of the second handle 6 is adjusted by the locking bolt 10. Loosen the locking bolt 10 so that the second handle 6 can be adjusted. After the position is adjusted, tighten the locking bolt 10 to fix the second handle 6.
[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A multifunctional hydraulic wrench, comprising a wrench body (1); Features: Also includes: A movable groove (22) is integrally formed and arranged on the left side of the upper end of the wrench body (1); a first rotating shaft (17) is arranged inside the movable groove (22); a rotating ring (16) is arranged outside the first rotating shaft (17); the rotating ring (16) rotates inside the movable groove (22) through the first rotating shaft (17); and a first handle (5) is arranged on one side outside the rotating ring (16); A fixing frame (9) is arranged outside the wrench body (1), and second rotating shafts (23) are symmetrically arranged on both sides of the outside of the wrench body (1), and the bottom sides of the fixing frame (9) swing outside the wrench body (1) by engaging with the second rotating shafts (23), and the upper end of the fixing frame (9) is provided with a second handle (6).
2. A multifunctional hydraulic wrench according to claim 1, characterized in that: A connecting rod (20) is arranged inside the first handle (5), and the upper end of the connecting rod (20) extends out of the upper end of the first handle (5). A limiting block (21) is arranged in the middle of the outer side of the connecting rod (20). A spring (19) is arranged outside the connecting rod (20), and the spring (19) is engaged between the limiting block (21) and the upper end of the inner side of the first handle (5). A limiting pin (2) is arranged at the bottom of the connecting rod (20). A through groove (4) is arranged on the surface of the rotating ring (16). A plurality of limiting grooves (3) are evenly distributed on the surface of the first rotating shaft (17), and the limiting pin (2) passes through the through groove (4) and is engaged with one of the limiting grooves (3).
3. A multifunctional hydraulic wrench according to claim 1, characterized in that: A threaded hole (24) is provided on the surface of one of the second rotating shafts (23), and a locking bolt (10) is connected to the outer thread of the threaded hole (24).
4. A multifunctional hydraulic wrench according to claim 2, characterized in that: A pull ring (15) is provided at the upper end of the connecting rod (20), and the pull ring (15) is fixed to the upper end of the connecting rod (20) via a second rotating seat (18).
5. The multifunctional hydraulic wrench according to claim 1, characterized in that: A hanging ring (13) is provided on the front side of the wrench body (1), and the hanging ring (13) is installed on the front side of the wrench body (1) via a first rotating seat (14).
6. A multifunctional hydraulic wrench according to claim 1, characterized in that: A rotating member (11) is provided on one side of the outside of the wrench body (1), an illuminating lamp (12) is provided on one end of the rotating member (11), and the illuminating lamp (12) swings on one side of the outside of the wrench body (1) through the rotating member (11).
7. A multifunctional hydraulic wrench according to claim 1, characterized in that: The first handle (5) is externally covered with a first anti-slip cover (8), and the second handle (6) is externally covered with a second anti-slip cover (7).