Hydraulic drive valve element locking and dismounting device
By designing a hydraulically driven valve core locking and disassembly device, the problem of complicated valve core assembly operation at the hydraulic end of the diaphragm pump is solved, and fast and safe valve core locking and disassembly is achieved, thereby improving work efficiency and product quality.
Patent Information
- Application Number
- CN202423302326.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The existing diaphragm pump hydraulic end valve core assembly device is cumbersome to operate and has low versatility, making it difficult to meet on-site use requirements.
A hydraulically driven valve core locking and disassembly device was designed, which included a frame, a locking mechanism and a lifting and adjusting bracket. The valve core could be quickly locked and disassembled by horizontally moving the tray, the limit plate and the power head.
It improves operational safety and work efficiency, reduces labor intensity, enhances product stability and reliability, shortens maintenance cycles, and improves product quality and precision.
Smart Images

Figure CN223313440U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of diaphragm pump assembly tools, and particularly relates to a rapid locking and disassembly device for a hydraulic end valve core of a diaphragm pump. Background Art
[0002] The diaphragm pump is a special type of pump. Its working principle is mainly based on the reciprocating motion of the diaphragm pump to transport the medium. This continuous reciprocating motion guides the suction and discharge of the medium, completing the medium transportation work. The role of the one-way valve subassembly is particularly important in completing the entire action. The characteristics of this subassembly ensure that the flowing medium can only flow in through the inlet and out through the outlet, acting as a check valve, thereby completing the periodic action. The valve core is assembled from the valve cone, valve nut, and valve rubber. During the assembly process, the control requirements for the installation position, torque size, compression amount, etc. of each component are very strict. The original device structure has problems such as cumbersome operation, low versatility, and repeated work during use, which cannot better meet the needs of on-site use. Utility Model Content
[0003] The utility model aims to solve the above problems and provides a hydraulic drive valve core locking and disassembly device which is easy to use, reduces labor intensity and improves work efficiency.
[0004] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts the following technical scheme, which includes a frame, which is characterized in that: a horizontally movable tray is provided at the bottom of the frame, and a positioning groove that cooperates with the valve core is provided on the horizontally movable tray; a lifting and adjusting bracket is provided at the top of the frame, and a card slot is provided in the middle of the lifting and adjusting bracket, and a limit plate is provided above the card slot, and a locking mechanism that cooperates with the upper end of the valve core is provided on the limit plate, and a power head that cooperates with the locking mechanism is provided above the locking mechanism.
[0005] As a preferred solution of the present invention, the locking mechanism includes a locking sleeve whose lower end cooperates with the valve core and a locking nut whose upper end cooperates with the power head. A hexagonal joint is provided at the upper end of the locking sleeve, and the locking nut cooperates with the hexagonal joint. A power joint that cooperates with the power head is provided at the upper end of the locking nut.
[0006] As a third preferred embodiment of the present invention, the frame includes a bottom plate and two side plates, the side plates are provided with vertically arranged height adjustment holes, the lifting adjustment bracket includes a lifting plate, and height adjustment screws that cooperate with the height adjustment holes are provided at both ends of the lifting plate; the limit plate is provided on the two vertical plates of the lifting plate, and the two vertical plates are also provided with vertically arranged height adjustment holes, and the limit plate is also connected to the two vertical plates through height adjustment screws and height adjustment holes.
[0007] Furthermore, guide grooves are provided at the lower ends of the two side plates, and the guide rails on both sides of the horizontally movable tray cooperate with the guide grooves; sliding bearings supporting the horizontally movable tray are provided in the guide grooves.
[0008] Furthermore, a limiting screw cooperating with the horizontally movable tray is provided on the outer side of the guide groove.
[0009] Furthermore, the bottom plate is arranged below the guide groove; and casters are arranged on the outer side of the horizontally movable tray.
[0010] Furthermore, positioning pins are provided between the bottom plate and the horizontally movable tray.
[0011] As a fifth preferred solution of the present utility model, a push rod of a power head is provided above the lifting and adjusting bracket.
[0012] Furthermore, the push rod includes a sleeve connected to the lifting and adjusting bracket, a spring and a slide rod are arranged in the sleeve, a vertical groove is provided on the sleeve, and a pressing screw connected to the slide rod is provided in the vertical groove.
[0013] The beneficial effects of this utility model are as follows: 1. This utility model has many advantages, such as safe operation, easy use, and single-person independent operation. It can be widely used for disassembly and assembly of valve cores of various types of diaphragm pumps at home and abroad. It meets product needs and can effectively assist in the professional disassembly, assembly and replacement of diaphragm pump spare parts, improve component accuracy, and enhance product reliability.
[0014] 2. When using this device for locking and disassembly, the product quality and precision can be effectively controlled, and the stability and service life of the product can be enhanced.
[0015] 3. This device reduces the time of repeatedly lifting and closing the gland on the original structure, improves work efficiency by about 3 times, and effectively reduces labor.
[0016] 4. The welding process is simple, easy to operate and takes up little space.
[0017] 5. Shorten the maintenance cycle and provide strong support for the serial design of diaphragm pumps.
[0018] 6. High versatility, reducing repeated design and commissioning of equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a structural diagram of the present utility model.
[0020] Figure 2 It is a schematic diagram of the guide groove coordination structure of the horizontally movable pallet and the frame.
[0021] Figure 3 It is a structural diagram of the locking mechanism.
[0022] Figure 4 It is a structural diagram of the price increase adjustment bracket.
[0023] Figure 5 It is a structural diagram of the push rod.
[0024] In the accompanying drawings, 1 is a lifting adjustment bracket, 2 is a push rod, 3 is a limit screw, 4 is a horizontal moving tray, 5 is a positioning pin, 6 is a locking mechanism, 7 is a power head, 8 is a guide rail, 9 is a guide groove, 10 is a sliding bearing, 11 is a caster, 14 is a reducing sleeve, 15 is a locking nut, 16 is a limit nut, 17 is a locking sleeve, 18 is a limit plate, 19 is a vertical plate, 20 is a side plate, 21 is a sliding rod, 22 is a sleeve, 23 is a pressing screw, 24 is a spring, and 25 is a valve core. DETAILED DESCRIPTION
[0025] The utility model includes a frame, which is characterized in that: a horizontally movable tray 4 is provided at the bottom of the frame, and a positioning groove that cooperates with the valve core 25 is provided on the horizontally movable tray 4; a lifting and adjusting bracket 1 is provided at the top of the frame, and a card slot is provided in the middle of the lifting and adjusting bracket 1, and a limit plate 18 is provided above the corresponding card slot, and a locking mechanism 6 that cooperates with the upper end of the valve core 25 is provided on the limit plate 18, and a power head 7 that cooperates with the locking mechanism 6 is provided above the locking mechanism 6.
[0026] As a preferred solution of the present utility model, the locking mechanism 6 includes a locking sleeve 17 whose lower end cooperates with the valve core 25 and a locking nut 15 whose upper end cooperates with the power head 7. The upper end of the locking sleeve 17 is provided with a hexagonal joint, and the locking nut 15 cooperates with the hexagonal joint. The upper end of the locking nut 15 is provided with a power joint that cooperates with the power head 7.
[0027] A reducing sleeve 14 and a limiting nut 16 are further provided outside the locking nut 15 .
[0028] As a third preferred embodiment of the present invention, the frame includes a bottom plate and two side plates 20, and the side plates 20 are provided with vertically arranged height adjustment holes. The lifting adjustment bracket 1 includes a lifting plate, and height adjustment screws that cooperate with the height adjustment holes are provided at both ends of the lifting plate; the limit plate 18 is provided on the two vertical plates 19 on the lifting plate, and the two vertical plates 19 are also provided with vertically arranged height adjustment holes. The limit plate 18 is also connected to the two vertical plates 19 through height adjustment screws and height adjustment holes.
[0029] Furthermore, guide grooves 9 are provided at the lower ends of the two side plates 20 , and the guide rails 8 on both sides of the horizontally movable tray 4 cooperate with the guide grooves 9 ; sliding bearings 10 supporting the horizontally movable tray 4 are provided in the guide grooves 9 .
[0030] Furthermore, a limiting screw 3 cooperating with the horizontally movable tray 4 is provided on the outer side of the guide groove 9 .
[0031] Furthermore, the bottom plate is arranged below the guide groove 9 ; and casters 11 are arranged on the outside of the horizontally movable tray 4 .
[0032] Furthermore, positioning pins 5 are provided between the bottom plate and the horizontally movable tray 4 .
[0033] As a fifth preferred solution of the present utility model, a push rod 2 of a power head 7 is provided above the lifting and adjusting bracket 1 .
[0034] Furthermore, the push rod 2 includes a sleeve 22 connected to the lifting and adjusting bracket 1, a spring 24 and a slide rod 21 are arranged in the sleeve 22, a vertical groove is provided on the sleeve 22, and a pressing screw 23 connected to the slide rod 21 is provided in the vertical groove.
[0035] When locking: 1. Prepare the pre-tightened valve core 25 first, and install the locking sleeve 17 on the valve nut wrench.
[0036] 2. Prepare the power head 7 and the hydraulic station, install the power head 7 on the locking nut 15, and close it.
[0037] 3. Pull out the horizontal movable tray 4, lift the pre-tightening valve core 25 to the slot position inside the horizontal movable tray 4, and push the horizontal movable tray 4 into the limit position.
[0038] 4. Turn on the hydraulic station switch and start working.
[0039] 5. When the required torque is reached, turn off the hydraulic station switch, press the slide rod 21, slightly adjust the direction of the power head 7, and pull out the sliding mechanism to the limit position.
[0040] 6. Lift out the installed valve core 25 to the designated position, replace the next one, and repeat the above steps.
[0041] The power head 7 is a standard product that can be purchased from the market.
[0042] When disassembling: The hydraulic station controls the rotation direction of the power head 7, and the remaining operating steps are the same as locking.
[0043] It can be understood that the above specific description of the present invention is only used to illustrate the present invention and is not limited to the technical solutions described in the embodiments of the present invention. Ordinary technicians in this field should understand that the present invention can still be modified or replaced by equivalents to achieve the same technical effects; as long as the use requirements are met, they are within the scope of protection of the present invention.
Claims
1. A hydraulically driven valve core locking and disassembly device, including a frame, characterized in that: A horizontal movable tray (4) is provided at the bottom of the frame, and a positioning groove cooperating with the valve core (25) is provided on the horizontal movable tray (4); a lifting adjustment bracket (1) is provided at the top of the frame, and a clamping groove is provided in the middle of the lifting adjustment bracket (1), and a limiting plate (18) is provided above the corresponding clamping groove. A locking mechanism (6) cooperating with the upper end of the valve core (25) is provided on the limiting plate (18), and a power head (7) cooperating with the locking mechanism (6) is provided above the locking mechanism (6).
2. The hydraulically driven valve core locking and disassembly device according to claim 1, characterized in that: The locking mechanism (6) comprises a locking sleeve (17) whose lower end cooperates with the valve core (25) and a locking nut (15) whose upper end cooperates with the power head (7); a hexagonal joint is provided at the upper end of the locking sleeve (17); the locking nut (15) cooperates with the hexagonal joint; and a power joint is provided at the upper end of the locking nut (15) that cooperates with the power head (7).
3. The hydraulically driven valve core locking and disassembly device according to claim 1, characterized in that: The frame includes a bottom plate and two side plates (20), the side plates (20) are provided with vertically arranged height adjustment holes, the lifting adjustment bracket (1) includes a lifting plate, and both ends of the lifting plate are provided with height adjustment screws that match the height adjustment holes; the limit plate (18) is provided on two vertical plates (19) on the lifting plate, and the two vertical plates (19) are also provided with vertically arranged height adjustment holes, and the limit plate (18) is also connected to the two vertical plates (19) through the height adjustment screws and the height adjustment holes.
4. The hydraulically driven valve core locking and disassembly device according to claim 3, characterized in that: Guide grooves (9) are provided at the lower ends of the two side plates (20) opposite to each other, and the guide rails (8) on both sides of the horizontally movable tray (4) cooperate with the guide grooves (9); and sliding bearings (10) supporting the horizontally movable tray (4) are provided in the guide grooves (9).
5. The hydraulically driven valve core locking and disassembly device according to claim 4, characterized in that: A limiting screw (3) is provided on the outside of the guide groove (9) and cooperates with the horizontally movable tray (4).
6. The hydraulically driven valve core locking and disassembly device according to claim 5, characterized in that: The bottom plate is arranged below the guide groove (9); casters (11) are arranged on the outside of the horizontally movable tray (4).
7. The hydraulically driven valve core locking and disassembly device according to claim 6, characterized in that: A positioning pin (5) is provided between the bottom plate and the horizontally movable tray (4).
8. The hydraulically driven valve core locking and disassembly device according to claim 1, characterized in that: A top rod (2) of a power head (7) is provided above the lifting and adjusting bracket (1).
9. The hydraulically driven valve core locking and disassembly device according to claim 8, characterized in that: The push rod (2) includes a sleeve (22) connected to the lifting and adjusting bracket (1), a spring (24) and a slide rod (21) are arranged in the sleeve (22), a vertical groove is provided on the sleeve (22), and a pressing screw (23) connected to the slide rod (21) is provided in the vertical groove.