Portable hydraulic valve opening tool

Abstract

The utility model provides a portable hydraulic valve opening tool, and relates to the field of portable tools. The portable hydraulic valve opening tool comprises a working box, a charging port and a valve rod operating wheel, the bottom of the working box is rotationally connected with a transmission shaft, the bottom of the transmission shaft is fixedly connected with a pressing plate, the two sides of the pressing plate are provided with a transmission bent plate and a rubber block respectively, and the top of the outer side of the transmission shaft is fixedly sleeved with a gear; and one side of the gear is engaged with a rack. According to the portable hydraulic valve opening tool, the rotating transmission bent plate drives the valve rod operation wheel to rotate, opening and closing of a valve body are completed, the hydraulic valve opening tool is composed of the working box, the hydraulic cylinder, the rack, the gear, the transmission shaft, the pressing plate, the transmission bent plate and the like, the structure is simple, operation is easy and labor is saved, and the valve body is opened and closed through cooperation of the pressing plate and the transmission bent plate with the valve rod operation wheel. And meanwhile, the valve rod operating wheels can be conveniently held and moved, and the use is flexible.

Description

Technical Field

[0001] The utility model relates to a valve opening tool, in particular to a portable hydraulic valve opening tool, belonging to the technical field of portable tools. Background Art

[0002] Conventional valves are usually opened and closed manually, and many of them are very heavy, which is time-consuming and laborious to open and close. In addition, many valves require dozens or even hundreds of turns of the hand wheel to open and close normally, which is a severe test of the valve operator's physical strength and is also very time-consuming, delaying the operation progress. Therefore, valve opening tools are used to assist the work.

[0003] Existing patent application: 202122983302.3 The utility model discloses an opening tool for realizing the action of a hydraulic solenoid valve, comprising a shell, a gear is provided in the shell, and the rotating shaft of the gear can be rotatably set on the shell; the rotating shaft extends out of the shell, and a handle is fixed on the protruding end; an opening member, the opening member includes an opening rack, an L-shaped connecting rod is fixed on the opening rack, and a transverse opening ejector pin is provided at the upper end of the connecting rod; the opening rack can be laterally movably arranged in the shell, and the opening rack is meshed with the gear.

[0004] During the application of the above technology, the structure is complex and heavy, which makes it inconvenient for workers to hold and use, and affects their working speed. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a portable hydraulic valve opening tool in order to solve the above problems, so as to solve the problems in the prior art that the tool is complex in structure and heavy, which makes it inconvenient for workers to hold and use, and affects the working speed of workers.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: a portable hydraulic valve opening tool, including a working box, a charging port and a valve stem operating wheel, the bottom of the working box is rotatably connected to a transmission shaft, the bottom of the transmission shaft is fixedly connected to a pressing plate, and transmission bent plates and rubber blocks are respectively provided on both sides of the pressing plate. A gear is fixedly sleeved on the top outer side of the transmission shaft, a rack is meshed on one side of the gear, and a hydraulic cylinder is fixedly connected between one end of the rack and the working box. The structure is simple, the operation is simple and labor-saving, and various types of valve stem operating wheels can be adapted through the cooperation of the pressing plate and the transmission bent plate with the valve stem operating wheel. A holdable support structure is installed at one end of the outer side of the working box away from the pressing plate.

[0009] Preferably, a handle is fixedly connected to the top of the working box, and after holding the handle, the working box can be lifted up for moving use, and a button is fixedly connected to the bottom of the handle.

[0010] Preferably, the transmission bent plate is fixedly connected to one side of the pressing plate, and the transmission bent plate and the pressing plate are both arranged at the bottom of the working box. The rotating transmission bent plate drives the valve stem operating wheel to rotate to complete the opening and closing of the valve body.

[0011] Preferably, a battery is fixedly connected inside the working box, and the battery is electrically connected to the hydraulic cylinder and the button. The battery supplies power to the hydraulic cylinder, so that the working end of the hydraulic cylinder extends, and the hydraulic cylinder pushes the rack fixed at one end to move.

[0012] Preferably, a mounting groove is provided on one side of the bottom of the working box away from the transmission shaft, the rubber block is arranged inside the mounting groove and fixedly connected to the working box, and only a small part of the rubber block is arranged at the bottom of the working box, which will not affect the rotation of the transmission bending plate driven by the hydraulic cylinder.

[0013] Preferably, the holdable support structure includes a mounting frame, the mounting frame is internally threaded with a support bolt, the top of the support bolt is fixedly connected to an operating plate, the bottom of the support bolt is rotatably connected to a friction plate, the friction plate is in contact with the valve body on which the valve stem operating wheel is installed, and supports the working box to ensure stability when the valve stem operating wheel is operated using a hydraulic valve opening tool.

[0014] The utility model provides a portable hydraulic valve opening tool, which has the following beneficial effects:

[0015] 1. The portable hydraulic valve opening tool inserts the transmission bent plate into the valve stem operating wheel. The rotating gear drives the internal transmission shaft to rotate, the rotating transmission shaft drives the pressing plate to rotate, the pressing plate drives the transmission bent plate to rotate, and the rotating transmission bent plate drives the valve stem operating wheel to rotate to complete the opening and closing of the valve body. The hydraulic valve opening tool composed of a working box, a hydraulic cylinder, a rack, a gear, a transmission shaft, a pressing plate, a transmission bent plate and other structures has a simple structure, simple and labor-saving operation, and can adapt to various types of valve stem operating wheels through the cooperation of the pressing plate and the transmission bent plate with the valve stem operating wheel. At the same time, it is convenient to hold and move and flexible to use.

[0016] 2. The portable hydraulic valve opening tool manually rotates the transmission bend plate to the bottom of the rubber block. At this time, there is a large friction between the elastically deformed rubber block and the transmission bend plate, and the transmission bend plate will not shake during the movement of the hydraulic valve opening tool, ensuring the stability of the hydraulic valve opening tool during holding and moving. The rubber block is installed inside the installation groove, and only a small part of the rubber block is set at the bottom of the working box, which will not affect the rotation of the transmission bend plate driven by the hydraulic cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the operating panel of the utility model;

[0019] Figure 3 It is a partial structural schematic diagram of the working box of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the rubber block of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the valve stem operating wheel of the utility model.

[0022]

Main component symbol description

[0023] 1. Working box; 2. Mounting frame; 3. Mounting ring; 5. Support bolt; 6. Operating panel; 7. Friction plate; 8. Battery; 9. Hydraulic cylinder; 10. Rack; 11. Gear; 12. Transmission shaft; 13. Pressing plate; 14. Transmission bending plate; 15. Rubber block; 16. Mounting groove; 17. Handle; 18. Button; 19. Charging port; 20. Valve stem operating wheel. DETAILED DESCRIPTION

[0024] The embodiment of the utility model provides a portable hydraulic valve opening tool.

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5, including a working box 1, a charging port 19 and a valve stem operating wheel 20, a handle 17 is fixedly connected to the top of the working box 1, a button 18 is fixedly connected to the bottom of the handle 17, the working box 1 is moved by the handle 17, the bottom of the working box 1 is rotatably connected to the transmission shaft 12, the bottom of the transmission shaft 12 is fixedly connected to a pressing plate 13, and transmission bent plates 14 and rubber blocks 15 are respectively arranged on both sides of the pressing plate 13, a mounting groove 16 is opened on the side of the bottom of the working box 1 away from the transmission shaft 12, the rubber block 15 is arranged inside the mounting groove 16 and fixedly connected to the working box 1, and the length of the rubber block 15 extending out of the bottom of the working box 1 is controlled to prevent the rubber block 15 from affecting the normal operation of the transmission bent plate 14 , the transmission bent plate 14 is fixedly connected to one side of the pressing plate 13, and the transmission bent plate 14 and the pressing plate 13 are both arranged at the bottom of the working box 1, and the transmission bent plate 14 and the pressing plate 13 are integrated to ensure that the pressing plate 13 drives the transmission bent plate 14 to move, and a gear 11 is fixedly sleeved on the top of the outer side of the transmission shaft 12, and a rack 10 is meshed on one side of the gear 11, and a hydraulic cylinder 9 is fixedly connected between one end of the rack 10 and the working box 1, and a battery 8 is fixedly connected inside the working box 1, and the battery 8 is electrically connected to the hydraulic cylinder 9 and the button 18, and the battery 8 and the hydraulic cylinder 9 are controlled by the button 18 installed on the handle 17, and the user only needs one hand, which is convenient and simple to operate;

[0026] A holdable support structure is installed at one end of the outer side of the working box 1 away from the pressing plate 13, and the holdable support structure includes a mounting frame 2, and the mounting frame 2 is internally threaded with a support bolt 5, the top of the support bolt 5 is fixedly connected to an operating plate 6, and the bottom of the support bolt 5 is rotatably connected to a friction plate 7. The position of the friction plate 7 is controlled by the support bolt 5 to ensure that the friction plate 7 contacts with an object to generate friction, so that the support bolt 5 and the friction plate 7 cooperate to play a supporting role, so that the working box 1 can be held by the handle 17 or the support bolt 5.

[0027] When the utility model is in use: a handle 17 is fixedly connected to the top of the working box 1, and a button 18 is fixedly connected to the bottom of the handle 17. After the user holds the handle 17, the working box 1 is lifted and moved for use.

[0028] The transmission bent plate 14 is fixedly connected to one side of the pressing plate 13. Both the transmission bent plate 14 and the pressing plate 13 are arranged at the bottom of the working box 1. After the user aligns the pressing plate 13 with the center of the valve stem operating wheel 20, the transmission bent plate 14 is inserted into the valve stem operating wheel 20. When the pressing plate 13 contacts the valve stem operating wheel 20, the button 18 inside the handle 17 is pressed. A battery 8 is fixedly connected inside the working box 1. The battery 8 is electrically connected to the hydraulic cylinder 9 and the button 18. The button 18 controls the electrically connected battery 8 to work. The battery 8 supplies power to the hydraulic cylinder 9, so that the working end of the hydraulic cylinder 9 extends. The hydraulic cylinder 9 pushes the rack 10 fixed at one end to move, and the rack 10 drives the gear The engaged gear 11 rotates, and the rotating gear 11 drives the internal transmission shaft 12 to rotate, and the rotating transmission shaft 12 drives the pressing plate 13 to rotate, and the pressing plate 13 drives the transmission bent plate 14 to rotate, and the rotating transmission bent plate 14 drives the valve stem operating wheel 20 to rotate to complete the opening and closing of the valve body. The hydraulic valve opening tool composed of the working box 1, hydraulic cylinder 9, rack 10, gear 11, transmission shaft 12, pressing plate 13, transmission bent plate 14 and other structures has a simple structure, simple and labor-saving operation, and can adapt to various types of valve stem operating wheels 20 through the cooperation of the pressing plate 13 and the transmission bent plate 14 with the valve stem operating wheel 20. At the same time, it is convenient to hold and move, and is flexible to use.

[0029] A mounting groove 16 is provided on one side of the bottom of the working box 1 away from the transmission shaft 12. The rubber block 15 is arranged inside the mounting groove 16 and fixedly connected to the working box 1. When the hydraulic valve opening tool is used, the transmission bent plate 14 is manually rotated to rotate the transmission bent plate 14 to the bottom of the rubber block 15. At this time, there is a large friction between the elastically deformed rubber block 15 and the transmission bent plate 14. The transmission bent plate 14 will not shake during the movement of the hydraulic valve opening tool, ensuring the stability of the hydraulic valve opening tool when it is held and moved. In addition, the rubber block 15 is installed inside the mounting groove 16, and only a small part of the rubber block 15 is set to the bottom of the working box 1, which will not affect the rotation of the transmission bent plate 14 driven by the hydraulic cylinder 9.

[0030] The holdable support structure includes a mounting frame 2, the mounting frame 2 has a support bolt 5 connected to it through internal threads, the top of the support bolt 5 is fixedly connected to an operating plate 6, the bottom of the support bolt 5 is rotatably connected to a friction plate 7, after the pressing plate 13 is brought into contact with the valve stem operating wheel 20, the support bolt 5 is rotated by the operating plate 6 to move the support bolt 5 downward, the downwardly moved support bolt 5 pushes the friction plate 7 downward, so that the friction plate 7 contacts the valve body on which the valve stem operating wheel 20 is installed, at this time the mounting frame 2, the support bolt 5 and the friction plate 7 cooperate to support the working box 1, to ensure the stability when the valve stem operating wheel 20 is operated using a hydraulic valve opening tool, and to reduce accidents.

[0031] The charging port 19 is used to charge the battery 8 .

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A portable hydraulic valve opening tool, comprising a working box (1), a charging port (19) and a valve stem operating wheel (20), characterized in that: The bottom of the working box (1) is rotatably connected to a transmission shaft (12), the bottom of the transmission shaft (12) is fixedly connected to a pressing plate (13), both sides of the pressing plate (13) are respectively provided with a transmission bent plate (14) and a rubber block (15), a gear (11) is fixedly sleeved on the top of the outer side of the transmission shaft (12), a rack (10) is meshed on one side of the gear (11), one end of the rack (10) is fixedly connected to the working box (1), and a hydraulic cylinder (9) is fixedly connected between one end of the rack (10) and the working box (1), and a holdable support structure is installed at one end of the outer side of the working box (1) away from the pressing plate (13).

2. A portable hydraulic valve opening tool according to claim 1, characterized in that: The top of the working box (1) is fixedly connected to a handle (17), and the bottom of the handle (17) is fixedly connected to a button (18).

3. A portable hydraulic valve opening tool according to claim 1, characterized in that: The transmission bent plate (14) is fixedly connected to one side of the pressing plate (13); the transmission bent plate (14) and the pressing plate (13) are both arranged at the bottom of the working box (1).

4. A portable hydraulic valve opening tool according to claim 2, characterized in that: A storage battery (8) is fixedly connected inside the working box (1), and the storage battery (8) is electrically connected to the hydraulic cylinder (9) and the button (18).

5. The portable hydraulic valve opening tool according to claim 1, characterized in that: A mounting groove (16) is provided on one side of the bottom of the working box (1) away from the transmission shaft (12); the rubber block (15) is arranged inside the mounting groove (16) and is fixedly connected to the working box (1).

6. A portable hydraulic valve opening tool according to claim 1, characterized in that: The holdable support structure comprises a mounting frame (2), the mounting frame (2) is internally threadedly connected with a support bolt (5), the top of the support bolt (5) is fixedly connected with an operating plate (6), and the bottom of the support bolt (5) is rotatably connected with a friction plate (7).

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