Valve body extractor

Abstract

The utility model relates to the technical field of valve bodies, and discloses a valve body extractor which comprises a sleeve, a hydraulic cylinder is fixedly arranged on the top face of the sleeve, a deflector rod is arranged in the sleeve, an output shaft of the hydraulic cylinder penetrates through the sleeve and extends into the sleeve, and the bottom face of the output shaft of the hydraulic cylinder is fixedly connected with the deflector rod. A clamping mechanism is arranged on the outer side face of the sleeve in a sleeving mode, a positioning mechanism is arranged below the clamping mechanism, the clamping mechanism comprises an adjusting part and a clamping part, the positioning mechanism comprises a positioning part and a buffering part, the adjusting part comprises a rotating seat, and the rotating seat is arranged on the outer side of the sleeve in a sleeving mode. The connecting ring drives the first connecting rod to deflect, the first connecting rod drives the moving seat and the connecting frame to move, the connecting frame drives the fixing block to abut against the outer side face of the valve seat to clamp the valve seat, the valve seat dismounting device can adapt to valve seats with different sizes, materials or clamping requirements, dismounting work of the valve seat can be rapidly and accurately completed, and the maintenance efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve bodies, and specifically relates to a valve body extractor. Background Technique

[0002] A valve body usually refers to a device that uses the conductive characteristics of two different materials to generate charge removal, or it refers to a consumable part in mechanical equipment such as a pressure pump, which is used to achieve specific functions such as sealing, guiding, and controlling fluids. The specific structure of the valve body may vary depending on the application scenario, but generally includes at least two main parts: one is a metal electrode (such as a metal wire or a metal plate), and the other is an insulating material electrode covered with valve material;

[0003] During the operation of the existing valve body extractor, due to the complex and time-consuming fixing mechanism between the device and the valve body, not only does it significantly extend the operation cycle and increase the time cost, but it may also have an adverse impact on the smoothness of the overall processing flow. Specifically, when the existing extractor attempts to stably connect to the valve body, it often requires multiple cumbersome steps. These steps not only require operators to have high professional skills but also are prone to operation errors due to human factors, thus affecting the tightness and stability of the fixation.

[0004] Therefore, a valve body extractor is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a valve body extractor to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A valve body extractor, including a sleeve, a hydraulic cylinder is fixedly arranged on the top surface of the sleeve, a dial rod is arranged inside the sleeve, the output shaft of the hydraulic cylinder penetrates through the sleeve and extends to the inside of the sleeve, the bottom surface of the output shaft of the hydraulic cylinder is fixedly connected to the dial rod, a clamping mechanism is sleeved on the outer side surface of the sleeve, and a positioning mechanism is arranged below the clamping mechanism;

[0007] The clamping mechanism includes an adjusting part and a clamping part;

[0008] The positioning mechanism includes a positioning part and a buffering part.

[0009] Preferably, the adjusting part includes a rotating seat, the rotating seat is sleeved on the outer side of the sleeve, a threaded sleeve is arranged inside the rotating seat, the threaded sleeve is sleeved on the outer side surface of the sleeve, and the rotating seat is slidably connected to the threaded sleeve.

[0010] Preferably, a fixing ring is fixedly arranged on the bottom surface of the rotating base. A connecting ring is arranged on the outer side surface of the fixing ring through a bearing. The inner wall of the fixing ring is in threaded connection with a threaded sleeve. A connecting sleeve is fixedly arranged on the bottom surface of the threaded sleeve. The connecting sleeve is fixedly sleeved on the outer side surface of the sleeve, and the fixing ring moves on the threaded sleeve.

[0011] Preferably, the clamping part includes a first connecting rod. Three first connecting rods are evenly arranged. The upper end of the first connecting rod is hinged to the connecting ring. The lower end of the first connecting rod is hinged with a moving seat. A connecting frame is arranged below the moving seat.

[0012] Preferably, the side surface of the connecting frame is fixedly connected to the sleeve. A connecting groove is formed on the top surface of the connecting frame. An L-shaped rod is arranged in the connecting groove. The top surface of the L-shaped rod is fixedly connected to the moving seat. The upper end of the L-shaped rod is located inside the connecting groove and is slidably connected to the inner wall of the connecting groove. A fixing block is fixedly arranged at the lower end of the L-shaped rod.

[0013] Preferably, the positioning part includes a positioning plate. The positioning plate is sleeved on the outer side surface of the dial rod. A connecting plate is arranged above the positioning plate. The connecting plate is fixedly connected to the sleeve. A second connecting rod is hinged to the bottom surface of the connecting plate. The other end of the second connecting rod is hinged with a sliding seat.

[0014] Preferably, a limiting frame is fixedly arranged on the top surface of the positioning plate. A limiting rod is fixedly arranged on the inner wall of the limiting frame. The lower end of the sliding seat is located inside the limiting frame. The limiting rod penetrates through the sliding seat and is slidably connected to the sliding seat.

[0015] Preferably, the buffering part includes a positioning sleeve. The top surface of the positioning sleeve is fixedly connected to the connecting plate. A positioning groove is formed on the side surface of the positioning sleeve. A positioning rod is arranged inside the positioning sleeve. The bottom surface of the positioning rod is fixedly connected to the positioning plate. A positioning block is fixedly arranged on the side surface of the positioning rod. The positioning block is located inside the positioning groove and is slidably connected to the inner wall of the positioning groove. A spring is sleeved on the outer side surface of the positioning rod. The upper and lower ends of the spring are respectively fixedly connected to the positioning sleeve and the positioning plate.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: This kind of valve body extractor

[0017] 1), By driving the first connecting rod to deflect through the connecting ring, the first connecting rod drives the moving seat and the connecting frame to move. The connecting frame drives the fixing block to abut against the outer side surface of the valve seat to clamp the valve seat, which can adapt to valve seats of different sizes, materials or clamping requirements, and can quickly and accurately complete the disassembly work of the valve seat, greatly improving the maintenance efficiency.

[0018] 2), Positioning the valve seat through the positioning plate can ensure that the valve seat maintains an accurate position during the clamping process. At the same time, when the positioning plate vibrates, the positioning plate drives the positioning rod to move, causing the spring on the positioning rod to expand and contract, which can reduce the position deviation caused by vibration and improve the stability of the overall assembly. Brief Description of the Drawings

[0019] Figure 1 is a three-dimensional schematic diagram of the structure of the present invention;

[0020] Figure 2 is a three-dimensional view of the clamping mechanism of the present invention;

[0021] Figure 3 is a partial three-dimensional view of the clamping mechanism of the present invention;

[0022] Figure 4 is a three-dimensional view of the positioning mechanism of the present invention.

[0023] In the figure: 1 sleeve, 2 hydraulic cylinder, 3 lever, 4 clamping mechanism, 41 rotating seat, 42 fixed ring, 43 connecting ring, 44 threaded sleeve, 45 connecting sleeve, 46 first connecting rod, 47 moving seat, 48 connecting frame, 49 L-shaped rod, 410 fixed block, 5 positioning mechanism, 51 positioning plate, 52 connecting plate, 53 second connecting rod, 54 sliding seat, 55 limiting frame, 56 limiting rod, 57 positioning sleeve, 58 positioning rod, 59 positioning block. Detailed Description of the Preferred Embodiments

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Embodiment 1

[0026] Please refer to Figures 1 - 4 , The present invention provides a technical solution: A valve body extractor includes a sleeve 1, a hydraulic cylinder 2 is fixedly arranged on the top surface of the sleeve 1, a lever 3 is arranged inside the sleeve 1, the output shaft of the hydraulic cylinder 2 penetrates through the sleeve 1 and extends to the inside of the sleeve 1, the bottom surface of the output shaft of the hydraulic cylinder 2 is fixedly connected to the lever 3, a clamping mechanism 4 is sleeved on the outer side surface of the sleeve 1, and a positioning mechanism 5 is arranged below the clamping mechanism 4;

[0027] The clamping mechanism 4 includes an adjusting part and a clamping part;

[0028] The positioning mechanism 5 includes a positioning part and a buffering part.

[0029] The adjusting part includes a rotating seat 41, which is sleeved outside the sleeve 1. A threaded sleeve 44 is arranged inside the rotating seat 41. The threaded sleeve 44 is sleeved on the outer side surface of the sleeve 1, and the rotating seat 41 is slidably connected to the threaded sleeve 44;

[0030] A fixing ring 42 is fixedly arranged on the bottom surface of the rotating seat 41. A connecting ring 43 is arranged on the outer side surface of the fixing ring 42 by means of a bearing. The inner wall of the fixing ring 42 is threadedly connected to the threaded sleeve 44. A connecting sleeve 45 is fixedly arranged on the bottom surface of the threaded sleeve 44, and the connecting sleeve 45 is fixedly sleeved on the outer side surface of the sleeve 1;

[0031] The clamping part includes three first connecting rods 46 which are evenly arranged. The upper ends of the first connecting rods 46 are hinged to the connecting ring 43, and the lower ends of the first connecting rods 46 are hinged with a moving seat 47. A connecting frame 48 is arranged below the moving seat 47;

[0032] The side surface of the connecting frame 48 is fixedly connected to the sleeve 1. A connecting groove is formed on the top surface of the connecting frame 48. An L-shaped rod 49 is arranged in the connecting groove. The top surface of the L-shaped rod 49 is fixedly connected to the moving seat 47. The upper end of the L-shaped rod 49 is located inside the connecting groove and is slidably connected to the inner wall of the connecting groove. A fixing block 410 is fixedly arranged at the lower end of the L-shaped rod 49;

[0033] Furthermore, in this embodiment, when the rotating seat 41 is rotated, the rotating seat 41 drives the fixing ring 42 to move on the threaded sleeve 44. The fixing ring 42 drives the connecting ring 43 to move synchronously. The connecting ring 43 drives the first connecting rod 46 to deflect. The first connecting rod 46 drives the moving seat 47 and the connecting frame 48 to move. The connecting frame 48 drives the fixing block 410 to abut against the outer side surface of the valve seat to clamp the valve seat;

[0034] Furthermore, in this embodiment, the connecting ring 43 drives the first connecting rod 46 to deflect. The first connecting rod 46 drives the moving seat 47 and the connecting frame 48 to move. The connecting frame 48 drives the fixing block 410 to abut against the outer side surface of the valve seat to clamp the valve seat, which can adapt to valve seats of different sizes, materials or clamping requirements, and can quickly and accurately complete the disassembly work of the valve seat, greatly improving the maintenance efficiency;

[0035] Embodiment 2

[0036] Please refer to Figures 1 - 4 , and on the basis of Embodiment 1, it is further obtained that the positioning part includes a positioning plate 51, which is sleeved on the outer side surface of the shift lever 3. A connecting plate 52 is arranged above the positioning plate 51. The connecting plate 52 is fixedly connected to the sleeve 1. A second connecting rod 53 is hinged to the bottom surface of the connecting plate 52, and the other end of the second connecting rod 53 is hinged with a sliding seat 54;

[0037] A limiting frame 55 is fixedly arranged on the top surface of the positioning plate 51, a limiting rod 56 is fixedly arranged on the inner wall of the limiting frame 55, the lower end of the sliding seat 54 is located inside the limiting frame 55, and the limiting rod 56 penetrates the sliding seat 54 and is slidably connected to the sliding seat 54;

[0038] The buffer part includes a positioning sleeve 57, the top surface of the positioning sleeve 57 is fixedly connected to the connecting plate 52, a positioning groove is provided on the side of the positioning sleeve 57, a positioning rod 58 is provided inside the positioning sleeve 57, the bottom surface of the positioning rod 58 is fixedly connected to the positioning plate 51, a positioning block 59 is fixedly provided on the side of the positioning rod 58, the positioning block 59 is located inside the positioning groove and is slidably connected to the inner wall of the positioning groove, and a spring is provided on the outer side of the positioning rod 58, and the upper and lower ends of the spring are respectively fixedly connected to the positioning sleeve 57 and the positioning plate 51;

[0039] Furthermore, after the valve seat is clamped in this embodiment, the positioning plate 51 contacts the top surface of the valve seat, and the positioning plate 51 positions the valve seat. When the hydraulic cylinder 2 drives the lever 3 to work, the valve seat will vibrate, and then the positioning plate 51 will vibrate. The positioning plate 51 drives the positioning rod 58 to move, so that the spring on the positioning rod 58 is extended and retracted, which can reduce the position deviation caused by vibration and improve the stability of the overall assembly.

[0040] Furthermore, this embodiment positions the valve seat through the positioning plate 51, which can ensure that the valve seat maintains a precise position during the clamping process. At the same time, when the positioning plate 51 vibrates, the positioning plate 51 drives the positioning rod 58 to move, causing the spring on the positioning rod 58 to expand and contract, which can reduce the position deviation caused by vibration and improve the stability of the overall assembly.

[0041] When in use, the rotating seat 41 is rotated, and the rotating seat 41 drives the fixed ring 42 to move on the threaded sleeve 44, and the fixed ring 42 drives the connecting ring 43 to move synchronously, and the connecting ring 43 drives the first connecting rod 46 to deflect, and the first connecting rod 46 drives the moving seat 47 and the connecting frame 48 to move, and the connecting frame 48 drives the fixed block 410 to press against the outer side of the valve seat to clamp the valve seat, which can adapt to valve seats of different sizes, materials or clamping requirements. After the valve seat is clamped, the positioning plate 51 contacts the top surface of the valve seat, and the positioning plate 51 positions the valve seat to ensure that the valve seat maintains a precise position during the clamping process. When the hydraulic cylinder 2 drives the lever 3 to work, the valve seat will vibrate, and then the positioning plate 51 will vibrate, and the positioning plate 51 drives the positioning rod 58 to move, so that the spring on the positioning rod 58 is stretched and retracted, which can reduce the position deviation caused by vibration.

[0042] Although embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A valve body extractor, comprising a sleeve (1), characterized in that: A hydraulic cylinder (2) is fixedly arranged on the top surface of the sleeve (1). A shift lever (3) is arranged inside the sleeve (1). The output shaft of the hydraulic cylinder (2) penetrates through the sleeve (1) and extends into the sleeve (1). The bottom surface of the output shaft of the hydraulic cylinder (2) is fixedly connected to the shift lever (3). A clamping mechanism (4) is sleeved on the outer side surface of the sleeve (1), and a positioning mechanism (5) is arranged below the clamping mechanism (4). The clamping mechanism (4) includes an adjusting part and a clamping part; The positioning mechanism (5) includes a positioning part and a buffering part.

2. The valve body extractor according to claim 1, characterized in that: The adjusting part includes a rotating seat (41). The rotating seat (41) is sleeved on the outer side of the sleeve (1). A threaded sleeve (44) is arranged inside the rotating seat (41). The threaded sleeve (44) is sleeved on the outer side surface of the sleeve (1). The rotating seat (41) is slidably connected to the threaded sleeve (44).

3. The valve body extractor according to claim 2, characterized in that: A fixing ring (42) is fixedly arranged on the bottom surface of the rotating seat (41). A connecting ring (43) is arranged on the outer side surface of the fixing ring (42) by means of a bearing. The inner wall of the fixing ring (42) is threadedly connected to the threaded sleeve (44). A connecting sleeve (45) is fixedly arranged on the bottom surface of the threaded sleeve (44). The connecting sleeve (45) is fixedly sleeved on the outer side surface of the sleeve (1).

4. A valve body extractor according to claim 1, characterized in that: The clamping part includes first connecting rods (46). Three first connecting rods (46) are evenly arranged. The upper ends of the first connecting rods (46) are hinged to the connecting ring (43). The lower ends of the first connecting rods (46) are hinged with a moving seat (47). A connecting frame (48) is arranged below the moving seat (47).

5. The valve body extractor according to claim 4, characterized in that: The side surface of the connecting frame (48) is fixedly connected to the sleeve (1). A connecting groove is formed on the top surface of the connecting frame (48). An L-shaped rod (49) is arranged in the connecting groove. The top surface of the L-shaped rod (49) is fixedly connected to the moving seat (47). The upper end of the L-shaped rod (49) is located inside the connecting groove and is slidably connected to the inner wall of the connecting groove. A fixing block (410) is fixedly arranged at the lower end of the L-shaped rod (49).

6. The valve body extractor according to claim 1, characterized in that: The positioning part includes a positioning plate (51). The positioning plate (51) is sleeved on the outer side surface of the shift lever (3). A connecting plate (52) is arranged above the positioning plate (51). The connecting plate (52) is fixedly connected to the sleeve (1). A second connecting rod (53) is hinged to the bottom surface of the connecting plate (52). The other end of the second connecting rod (53) is hinged with a sliding seat (54).

7. The valve body extractor according to claim 6, characterized in that: A limiting frame (55) is fixedly arranged on the top surface of the positioning plate (51). A limiting rod (56) is fixedly arranged on the inner wall of the limiting frame (55). The lower end of the sliding seat (54) is located inside the limiting frame (55). The limiting rod (56) penetrates through the sliding seat (54) and is slidably connected to the sliding seat (54).

8. A valve body extractor according to claim 1, characterized in that: The buffer part includes a positioning sleeve (57). The top surface of the positioning sleeve (57) is fixedly connected to the connecting plate (52). A positioning groove is formed on the side surface of the positioning sleeve (57). A positioning rod (58) is arranged inside the positioning sleeve (57). The bottom surface of the positioning rod (58) is fixedly connected to the positioning plate (51). A positioning block (59) is fixedly arranged on the side surface of the positioning rod (58). The positioning block (59) is located inside the positioning groove and is slidably connected to the inner wall of the positioning groove. A spring is sleeved on the outer side surface of the positioning rod (58), and the upper and lower ends of the spring are respectively fixedly connected to the positioning sleeve (57) and the positioning plate (51).

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