A hydraulic valve group convenient to disassemble

Abstract

The utility model relates to hydraulic valve group technical field, concretely is a kind of hydraulic valve group convenient to disassemble, it include: valve body, valve cover and hydraulic connecting rod device, the valve cover is equipped with positioning slot, positioning plate is movably inserted in positioning slot, the top of positioning plate is fixed with anti-loosening cover, the bottom of anti-loosening cover is equipped with nut slot, the nut of screw is hexagonal prism structure, and nut slot is matched with the nut of screw;Beneficial effects are: positioning plate is inserted into positioning slot, then the nut of screw is also inserted into nut slot, positioning slot plays the circumferential limiting effect to positioning plate, anti-loosening cover also plays the circumferential limiting effect to screw, i.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic valve assemblies, specifically a hydraulic valve assembly that is easy to disassemble. Background Technology

[0002] A hydraulic valve assembly is a valve component formed by combining a valve with a hydraulic linkage mechanism. Compared with traditional valves, hydraulic valve assemblies have automatic or semi-automatic capabilities, allowing for easier valve opening and closing.

[0003] In the prior art, patent application CN202321360569.X discloses a sealing component and a hydraulic gate valve, including: a valve seat and a sealing ring. The valve seat is slidably connected in a valve seat groove, and one end of the valve seat abuts against the surface of a valve plate. A spring is provided at the end of the valve seat away from the valve plate. The sealing ring is sleeved on the surface of a cable. The top end of the cable is mounted on an IoT module, and the bottom end of the cable is mounted on a sensor. The advantages are: the valve seat and the valve plate are made of rubber and metal respectively, so that more wear occurs on the valve seat. The spring is in a compressed state at the end of the valve seat away from the valve plate. As the valve seat is gradually worn, the spring is gradually released, so that the valve seat is always pressed against the valve plate before it is completely worn out, thus extending its service life. When maintenance is required, only the valve seat needs to be replaced, reducing maintenance costs. At the same time, a sensor and an IoT module are provided on the valve cover. After fluid leaks into the valve plate groove, maintenance personnel can be automatically notified via the Internet.

[0004] However, in the existing technology, the installation between the valve body and the valve cover is achieved through screws and screw holes, and there is a lack of anti-loosening components. In order to prevent the threaded connection between the screws and screw holes from loosening, which would lead to poor sealing between the valve cover and the valve body, it is only possible to increase the preload between the threaded connection. This makes it difficult to disassemble the valve cover and the valve body when disassembling the hydraulic valve assembly. Utility Model Content

[0005] The purpose of this invention is to provide a hydraulic valve assembly that is easy to disassemble, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hydraulic valve assembly that is easy to disassemble, comprising: a valve body, a valve cover, and a hydraulic connecting rod device. The valve body has a screw hole, and the valve cover has a screw hole. One end of a screw is movably inserted into the screw hole, and the other end of the screw is installed in the screw hole through a threaded connection. The hydraulic connecting rod device is fixed to the top of the valve cover. The valve cover has a positioning groove, and a positioning plate is movably inserted into the positioning groove. An anti-loosening cap is fixed to the top of the positioning plate, and a nut groove is formed at the bottom of the anti-loosening cap. The nut of the screw has a hexagonal prism structure, and the nut groove mates with the nut of the screw.

[0007] Preferably, the positioning groove is a "hui"-shaped groove body, and the positioning plate is matched with the positioning groove.

[0008] Preferably, a gasket is sleeved on the rod body of the screw, and the gasket is in a circular sheet-like structure.

[0009] Preferably, a buckle installation groove is formed on the positioning plate, one end of the buckle is fixed in the buckle installation groove, and a barb is fixed on the side surface of the other end of the buckle.

[0010] Preferably, a buckle groove is formed on the inner wall of the positioning groove, and the buckle groove is a rectangular groove body.

[0011] Preferably, a button hole is formed on the surface of the valve body, one end of the button hole is communicated with the buckle groove, and a button is movably inserted into the button hole.

[0012] Preferably, the button is in an "H"-shaped rod body structure, one end of the button is movably inserted into the buckle groove, and the other end of the button extends out of the button hole.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] For the hydraulic valve group that is easy to disassemble proposed by the present utility model, when the positioning plate is inserted into the positioning groove, the nut of the screw is also inserted into the nut groove. The positioning groove plays a circumferential limiting role on the positioning plate, and the anti-loosening cover also plays a circumferential limiting role on the screw, so that the thread between the screw and the screw hole can be prevented from loosening, and there is no need to apply too much pre-tightening force. When it is necessary to disassemble the valve cover, only need to make the positioning plate withdraw from the positioning groove, then the nut of the screw withdraws from the nut groove, and the anti-loosening of the screw can be released. Then, the screw can be removed from the screw hole with a smaller force, making the disassembly of the hydraulic valve group more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is a schematic cross-sectional structural diagram of the present utility model;

[0017] Figure 3 is Figure 2 an enlarged schematic view of the structure at A in

[0018] Figure 4 is Figure 3 an enlarged schematic view of the structure at B in

[0019] In the figure: valve body 1, valve cover 2, positioning groove 3, anti-loosening cover 4, positioning plate 5, screw hole 6, screw hole 7, screw 8, nut groove 9, gasket 10, buckle installation groove 11, buckle 12, buckle groove 13, button 14, button hole 15, hydraulic link device 16. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to clearly and completely describe the purpose, technical solution of the present utility model and make the advantages more clearly understood, the following further details the embodiments of the present utility model in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0021] Embodiment 1: Please refer to Figures 1-4 , the present utility model provides a technical solution: a hydraulic valve group that is easy to disassemble, including: a valve body 1, a valve cover 2 and a hydraulic link device 16. A screw hole 6 is provided on the valve body 1, a screw hole 7 is provided on the valve cover 2, one end of a screw 8 is movably inserted into the screw hole 7, and the other end of the screw 8 is installed in the screw hole 6 by threaded connection. The hydraulic link device 16 is fixed to the top of the valve cover 2. A positioning groove 3 is provided on the valve cover 2, a positioning plate 5 is movably inserted into the positioning groove 3, a loosening prevention cover 4 is fixed to the top of the positioning plate 5, a nut groove 9 is provided at the bottom end of the loosening prevention cover 4, the nut of the screw 8 is in a hexagonal prism structure, the nut groove 9 cooperates with the nut of the screw 8, the positioning groove 3 is a "return" shaped groove body, the positioning plate 5 cooperates with the positioning groove 3, a gasket 10 is sleeved on the rod body of the screw 8, and the gasket 10 is in a circular sheet-like structure.

[0022] During actual use, the valve body 1 and the hydraulic link device 16 are used in combination to form a hydraulic valve group. A valve plate is slidably connected in the valve body 1, a valve rod is fixed on the valve plate, and the top end of the valve rod is fixed to the bottom end of the hydraulic rod of the hydraulic link device 16. By controlling the distance that the hydraulic rod extends out of the hydraulic cylinder, the lifting of the valve plate can be realized, and then the opening and closing of the valve group can be controlled, making the operation of opening and closing the valve more labor-saving; the installation between the valve body 1 and the valve cover 2 is achieved by sleeving the gasket 10 on the screw 8, then passing the screw 8 through the screw hole 7 and screwing it into the screw hole 6 by threaded connection. When the screw 8 is screwed until the nut abuts against the top end of the gasket 10 and the bottom end of the gasket 10 abuts against the top end of the valve cover 2, and then the screw 8 is further screwed in the tightening direction, so that the shape of the nut groove 9 after the nut of the screw 8 and the positioning plate 5 are inserted into the positioning groove 3 is aligned, and then the positioning plate 5 is inserted into the positioning groove 3, then the nut of the screw 8 is also inserted into the nut groove 9. The positioning groove 3 plays a circumferential limiting role on the positioning plate 5, and the loosening prevention cover 4 also plays a circumferential limiting role on the screw 8, so that the thread between the screw 8 and the screw hole 6 can be prevented from loosening without applying excessive pre-tightening force. When the valve cover 2 needs to be disassembled, only by making the positioning plate 5 withdraw from the positioning groove 3, the nut of the screw 8 withdraws from the nut groove 9, the loosening prevention of the screw 8 can be released, and then the screw 8 can be removed from the screw hole 6 with a smaller force, making the disassembly of the hydraulic valve group more convenient.

[0023] Example 2: Based on Example 1, in order to prevent the positioning plate 5 from falling out of the positioning groove 3, a buckle mounting groove 11 is provided on the positioning plate 5. One end of the buckle 12 is fixed in the buckle mounting groove 11, and a barb is fixed on the side of the other end of the buckle 12. A buckle groove 13 is provided on the inner wall of the positioning groove 3. The buckle groove 13 is a rectangular groove. A button hole 15 is provided on the surface of the valve body 1. One end of the button hole 15 is connected to the buckle groove 13. A button 14 is movably inserted into the button hole 15. The button 14 has an "H" shaped rod structure. One end of the button 14 is movably inserted into the buckle groove 13, and the other end of the button 14 extends out from the button hole 15.

[0024] When the positioning plate 5 is inserted into the positioning groove 3, the barb of the buckle 12 is inserted into the buckle groove 13, and the top of the barb of the buckle 12 abuts against the inner wall of the top of the buckle groove 13, so that the buckle 12 cannot move upward, and the positioning plate 5 cannot move upward either, thus preventing the positioning plate 5 from falling out of the positioning groove 3; when it is necessary to operate the positioning plate 5 to be removed from the positioning groove 3, press the button 14 deep into the button hole 15, the button 14 pushes the buckle 12 so that the barb of the buckle 12 is removed from the buckle groove 13 and fully retracted into the buckle mounting groove 11, and then the anti-loosening cover 4 can be pulled upward to remove the positioning plate 5 from the positioning groove 3.

[0025] In actual use, the valve body 1 and the hydraulic linkage device 16 are used together to form a hydraulic valve assembly. A valve plate is slidably connected in the valve body 1, and a valve rod is fixed on the valve plate. The top end of the valve rod is fixed to the bottom end of the hydraulic rod of the hydraulic linkage device 16. By controlling the distance the hydraulic rod extends from the hydraulic cylinder, the valve plate can be raised or lowered, thereby controlling the opening and closing of the valve assembly, making the operation of opening and closing the valve more labor-saving. The valve body 1 is installed with the valve cover 2 by fitting a gasket 10 onto the screw 8, and then letting the screw 8 pass through the screw. Hole 7 is then screwed into screw hole 6 via a threaded connection. When screw 8 is turned until the nut abuts against the top of washer 10 and the bottom of washer 10 abuts against the top of valve cover 2, screw 8 is then turned further in the tightening direction until the nut of screw 8 is aligned with the shape of the nut groove 9 after the positioning plate 5 is inserted into the positioning groove 3. Then the positioning plate 5 is inserted into the positioning groove 3, and the nut of screw 8 is also inserted into the nut groove 9. The positioning groove 3 provides circumferential restraint for the positioning plate 5, and the anti-loosening cover 4 also provides circumferential restraint for screw 8. The positioning plate 5 acts as a locking mechanism, preventing the screw 8 from loosening in the screw hole 6 without requiring excessive preload. When disassembling the valve cover 2, simply remove the positioning plate 5 from the positioning groove 3, and the nut of the screw 8 will come out of the nut groove 9, releasing the locking mechanism. Then, the screw 8 can be easily removed from the screw hole 6 with minimal force, making the disassembly of the hydraulic valve assembly more convenient. When the positioning plate 5 is inserted into the positioning groove 3, the barb of the latch 12 inserts into the latch groove 13, and the barb of the latch 12... The top end rests against the inner wall of the top end of the latch groove 13, preventing the latch 12 from moving upwards, and thus preventing the positioning plate 5 from moving upwards, thereby preventing the positioning plate 5 from falling out of the positioning groove 3. When it is necessary to remove the positioning plate 5 from the positioning groove 3, press the button 14 deep into the button hole 15. The button 14 pushes the latch 12 so that the barb of the latch 12 is completely retracted into the latch mounting groove 11 after exiting the latch groove 13. Then the anti-loosening cover 4 can be pulled upwards to remove the positioning plate 5 from the positioning groove 3.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

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