Valve seat puller assembly tool

Abstract

The utility model relates to the technical field of valve seat disassembly, and discloses a valve seat puller assembly tool which comprises a threaded lead screw and a supporting component, the supporting component is arranged in the threaded lead screw and comprises a screw rod, a threaded sleeve, a screwing block, a bearing, a main rotating shaft, a connecting rod, an auxiliary rotating shaft, a supporting block, a sliding block and a sliding rail, the outer wall of the upper end of the screw rod is in threaded connection with a screw sleeve, the outer wall of the lower end of the screw sleeve is fixedly connected with a bearing, the two sides of the bearing are fixedly connected with main rotating shafts, and the other sides of the main rotating shafts are movably connected with connecting rods. When the puller assembly tool is used for disassembling a valve seat, a bearing can be driven to pull a connecting rod to be matched with a main rotating shaft and an auxiliary rotating shaft so as to achieve the purpose that a supporting block is adjusted on a sliding rail in a sliding mode through a sliding block through vertical adjustment of a threaded sleeve on a threaded rod, and the function of accurately adjusting the supporting block is achieved; accurate control is provided for the clamping contact face of the supporting block to the valve seat, and then the dismounting efficiency of the valve seat is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve seat disassembly, in particular to a valve seat puller assembly tool. Background Art

[0002] The valve assembly is a kit consisting of a valve body, a valve seat, and a valve rubber. The valve assembly is an important component of the hydraulic end of a drilling mud pump, and plays a role in allowing mud to pass in one direction. The valve body is the core component of the valve assembly, and the internal valve seat needs to be disassembled when the valve body is disassembled, so the puller assembly tooling is needed for auxiliary disassembly.

[0003] The applicant believes that:

[0004] When the puller assembly tooling is used to dismantle the valve seat, most of the time, the screw in the hydraulic power take-off is passed through the inner side of the valve seat, and the support blocks on both sides of the screw are used to support the bottom of the valve seat. However, the support blocks on both sides of the screw are not convenient to adjust, and personnel need to try many times to get the support blocks stuck to the bottom of the valve seat, which affects the disassembly efficiency of the valve seat. In addition, the stuck contact surface is not easy to control and is easily separated from the valve seat due to the push, which requires improvement. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a valve seat puller assembly tooling, which has the advantage of accurately adjusting the support blocks on both sides of the screw rod, thereby solving the problem that the support blocks on both sides of the screw rod are inconvenient to adjust, and personnel need to make multiple attempts to get the support blocks stuck under the valve seat, thereby affecting the disassembly efficiency of the valve seat, and the stuck contact surface is also difficult to control and can be easily detached from the valve seat due to being pushed.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a valve seat puller assembly tooling, including a threaded screw and a supporting component, wherein the supporting component is arranged inside the threaded screw.

[0009] The supporting component includes a screw, a sleeve, a screw block, a bearing, a main rotating shaft, a connecting rod, a secondary rotating shaft, a supporting block, a slider and a slide rail. The upper outer wall of the screw is threadedly connected with a sleeve, and the lower outer wall of the sleeve is fixedly connected with a bearing. Both sides of the bearing are fixedly connected with the main rotating shaft, the other side of the main rotating shaft is movably connected with a connecting rod, the other side of the connecting rod is movably connected with the secondary rotating shaft, and the other side of the secondary rotating shaft is fixedly connected with a supporting block, the lower end of the support block is welded with a slider, and the outer side of the slider is located inside the threaded screw and is penetrated by a slide rail.

[0010] Furthermore, a screw rod is welded to the inner lower end of the threaded screw rod, and a screw block is welded to the upper end of the threaded sleeve.

[0011] Furthermore, a nut is threadedly connected to the outer wall of the threaded screw, and an oil cylinder is sleeved on the outer wall of the threaded screw below the nut.

[0012] Furthermore, a pump pipe is butt-connected to one side of the oil cylinder.

[0013] Furthermore, the other end of the pump tube is butt-connected to a manual pump.

[0014] Furthermore, a manual pressure relief valve is installed on one side of the manual pump.

[0015] Furthermore, a handle is installed on the upper part of the manual pump, and a handle is fixedly connected to the upper part of the manual pump.

[0016] Furthermore, docking blocks are welded to both sides of the upper part of the handle, and a clamping block is fixedly connected to the upper part of the docking block.

[0017] Compared with the prior art, the utility model provides a valve seat puller assembly tooling, which has the following beneficial effects:

[0018] 1. When the puller assembly tooling is disassembling the valve seat, the screw sleeve can be adjusted up and down on the screw rod to drive the bearing to pull the connecting rod to cooperate with the main shaft and the auxiliary shaft to slide the support block on the slide rail through the slider to achieve the purpose of adjusting the support block. The function of precise adjustment is provided for the support block, and precise control is provided for the support block to the clamping contact surface of the valve seat, thereby improving the disassembly efficiency of the valve seat.

[0019] 2. When the puller assembly is carried for work, the manual pressure relief valve can cooperate with the pump pipe to provide the hydraulic lifting function for the oil cylinder, and the clamping block can clamp the handle to provide a fixing function for the handle, thereby providing convenience for carrying the manual pressure relief valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the valve seat puller assembly tooling provided by the embodiment of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the supporting components of the valve seat puller assembly tooling provided by the embodiment of the utility model;

[0022] Figure 3 This utility model Figure 2 The enlarged structural diagram at A in the middle;

[0023] Figure 4The utility model is provided in the embodiment of the present invention. The utility model is provided in the embodiment of the present invention. The utility model is provided in the embodiment of the present invention.

[0024] Among them: 1. threaded screw; 2. supporting component; 201. screw; 202. threaded sleeve; 203. screw block; 204. bearing; 205. main shaft; 206. connecting rod; 207. secondary shaft; 208. support block; 209. slider; 210. slide rail; 3. nut; 4. oil cylinder; 5. pump pipe; 6. manual pump; 7. manual pressure relief valve; 8. handle; 9. handle; 10. docking block; 11. clamping block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 4 The utility model provides a technical solution: a valve seat puller assembly tooling, including a threaded screw 1 and a supporting component 2, the threaded screw 1 is provided with a supporting component 2, the outer wall of the threaded screw 1 is threadedly connected with a nut 3, the outer wall of the threaded screw 1 below the nut 3 is sleeved with an oil cylinder 4, one side of the oil cylinder 4 is butt-connected with a pump pipe 5, the other end of the pump pipe 5 is butt-connected with a manual pump 6, one side of the manual pump 6 is cooperated with a manual pressure relief valve 7, the upper part of the manual pump 6 is cooperated with a handle 8, the upper part of the manual pump 6 is fixedly connected with a handle 9, the upper part of the manual pump 6 is welded with a docking block 10 on both sides, and the upper part of the docking block 10 is fixedly connected with a clamping block 11.

[0027] Among them: when the puller assembly tooling is used to disassemble the valve seat, first, the threaded screw 1 is inserted into the valve seat, and then the oil cylinder 4 is inserted into the threaded screw 1, and then the threaded screw 1 is lifted and the lower end of the threaded screw 1 is supported by the supporting component 2 under the valve seat, and then the nut 3 is screwed into the threaded screw 1 to fix the oil cylinder 4, and then the oil cylinder 4 is connected to the manual pump 6 through the pump pipe 5, and then the manual pressure relief valve 7 is closed, and finally the handle 8 of the manual pump 6 is pulled up and down to cooperate with the oil cylinder 4 to pull the valve seat to lift and disassemble it. After the valve seat is disassembled, the manual pressure relief valve 7 is opened and the pump pipe 5 and the oil cylinder 4 are disassembled, and then the clamp 11 fixes the handle 8 to facilitate the carrying of the manual pressure relief valve 7.

[0028] See also Figure 1 and Figure 2 and Figure 3A valve seat puller assembly tooling, the support component 2 includes a screw 201, a screw sleeve 202, a screw block 203, a bearing 204, a main shaft 205, a connecting rod 206, a secondary shaft 207, a support block 208, a slider 209 and a slide rail 210, the upper end outer wall of the screw 201 is threadedly connected with the screw sleeve 202, the lower end outer wall of the screw sleeve 202 is fixedly connected with the bearing 204, and both sides of the bearing 204 are fixedly connected with the main shaft 205, the main shaft The other side of 205 is movably connected with a connecting rod 206, and the other side of the connecting rod 206 is movably connected with a secondary rotating shaft 207, and the other side of the secondary rotating shaft 207 is fixedly connected with a support block 208, and the lower end of the support block 208 is welded with a slider 209, and the outer side of the slider 209 is located inside the threaded screw 1 and is connected with a slide rail 210, the lower end of the inner part of the threaded screw 1 is welded with a screw 201, and the upper end of the threaded sleeve 202 is welded with a twist block 203.

[0029] Among them: when the threaded screw 1 cooperates with the supporting component 2 to support the bottom of the valve seat, the threaded screw 1 is first inserted into the valve seat, and then the screw block 203 is rotated to drive the screw sleeve 202 to adjust downward on the surface of the screw 201, so that the screw sleeve 202 drives the bearing 204 to push the connecting rod 206 to cooperate with the main rotating shaft 205 and the auxiliary rotating shaft 207 to slide the support block 208 through the slider 209 on the slide rail 210 to extend out of the outer wall of the threaded screw 1, so that the extended support block 208 is stuck under the valve seat, conversely, the screw block 203 is twisted to drive the screw sleeve 202 to adjust upward on the surface of the screw 201, so as to pull the support block 208 into the threaded screw 1, thereby providing a precise adjustment function for the support block 208, providing precise control of the clamping contact surface of the support block 208 on the valve seat, and improving the disassembly efficiency of the valve seat.

[0030] The working principle of the utility model is as follows: when the puller assembly tooling is used to disassemble the valve seat, the threaded screw 1 is first inserted into the interior of the valve seat, and then the screw block 203 is rotated to drive the screw sleeve 202 to adjust downward on the surface of the screw 201, so that the screw sleeve 202 drives the bearing 204 to push the connecting rod 206 to cooperate with the main rotating shaft 205 and the auxiliary rotating shaft 207 to slide the support block 208 through the slider 209 on the slide rail 210 to extend out of the outer wall of the threaded screw 1, so that the extended support block 208 is stuck under the valve seat, and then the threaded screw 1 is pulled upward to contact the bottom of the valve seat, and then the oil cylinder 4 is inserted into the threaded screw 1, and then the nut 3 is screwed into the threaded screw 1 to fix the oil cylinder 4 , then the oil cylinder 4 is connected to the manual pump 6 through the pump pipe 5, and then the manual pressure relief valve 7 is closed, and finally the handle 8 of the manual pump 6 is pulled up and down to cooperate with the oil cylinder 4 to pull the valve seat for jacking and disassembly. After the valve seat is disassembled, the manual pressure relief valve 7 is opened and the pump pipe 5 and the oil cylinder 4 are disassembled, and then the screw block 203 is twisted to drive the screw sleeve 202 to adjust upward on the surface of the screw rod 201, so that the support block 208 is retracted into the threaded screw rod 1, and then the threaded screw rod 1 and the valve seat are disassembled. In this way, the working principle and working process of a valve seat puller assembly tooling are completed, and the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve seat puller assembly tool, characterized in that: It comprises a threaded screw rod (1) and a supporting component (2), wherein the supporting component (2) is arranged inside the threaded screw rod (1); The support component (2) comprises a screw rod (201), a screw sleeve (202), a screw block (203), a bearing (204), a main rotating shaft (205), a connecting rod (206), a secondary rotating shaft (207), a support block (208), a sliding block (209) and a sliding rail (210); the screw sleeve (202) is threadedly connected to the upper outer wall of the screw rod (201); the bearing (204) is fixedly connected to the lower outer wall of the screw sleeve (202); and both sides of the bearing (204) are Both are fixedly connected to a main rotating shaft (205), the other side of the main rotating shaft (205) is movably connected to a connecting rod (206), the other side of the connecting rod (206) is movably connected to a secondary rotating shaft (207), the other side of the secondary rotating shaft (207) is fixedly connected to a supporting block (208), the lower end of the supporting block (208) is welded to a sliding block (209), and the outer side of the sliding block (209) is located inside the threaded screw (1) and is penetrated by a sliding rail (210).

2. A valve seat puller assembly tooling according to claim 1, characterized in that: The inner lower end of the threaded screw rod (1) is welded to a screw rod (201), and the upper end of the threaded sleeve (202) is welded to a screw block (203).

3. A valve seat puller assembly tooling according to claim 2, characterized in that: The outer wall of the threaded screw rod (1) is threadedly connected with a nut (3), and an oil cylinder (4) is sleeved on the outer wall of the threaded screw rod (1) below the nut (3).

4. A valve seat puller assembly tool according to claim 3, characterized in that: A pump pipe (5) is butt-connected to one side of the oil cylinder (4).

5. The valve seat puller assembly tooling according to claim 4, characterized in that: The other end of the pump tube (5) is butt-connected with a manual pump (6).

6. The valve seat puller assembly tooling according to claim 5, characterized in that: A manual pressure relief valve (7) is mounted on one side of the manual pump (6).

7. The valve seat puller assembly tool according to claim 6, characterized in that: A handle (8) is mounted on the upper side of the manual pump (6), and a handle (9) is fixedly connected to the upper side of the manual pump (6).

8. The valve seat puller assembly tooling according to claim 7, characterized in that: Both sides of the upper side of the handle (9) are welded with docking blocks (10), and a clamping block (11) is fixedly connected to the upper side of the docking block (10).

Images