High-pressure-resistant valve casting

Abstract

The utility model relates to the technical field of high-pressure valves, and discloses a high-pressure-resistant valve casting which comprises a valve body, the left side and the right side of the outer wall of the valve body are fixedly communicated with connecting discs, the left side of the connecting disc on the left side is fixedly connected with a rubber disc, and a plurality of connecting holes are formed in the left sides of the connecting discs and the left side of the rubber disc. An extrusion groove is formed in the middle of the left side of the rubber disc, the left end and the right end of the valve body fixedly communicate with a plurality of communicating pipes, extrusion pieces are arranged on the outer walls of the communicating pipes, an extrusion ring is fixedly connected to the right side of the extrusion piece on the left side, and an anti-corrosion layer is arranged on the inner wall of the valve body. According to the utility model, the valve body provides a butt joint surface through the connecting disc and is provided with the rubber disc and the connecting hole for assembly, the extrusion groove on the rubber disc and the extrusion sheet and the extrusion ring on the outer wall increase the sealing pressure and improve the sealing performance during assembly, the anti-corrosion layer on the inner wall of the valve body prevents corrosion, and the structural design not only enhances the sealing performance, but also prolongs the service life, and meets the use requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure valve technical field especially relates to a kind of high-pressure-resistant valve casting. BACKGROUND

[0002] When pipeline structure is repaired, component is replaced and emergency stop fluid transmission, valve can be used as cutting device, effectively prevent the flow of fluid, high-pressure-resistant valve casting is the key component in industrial pipeline structure, is used to control the important equipment of flow, pressure and flow direction of fluid medium under high pressure environment, it is shaped by special casting process to metal material, with accurate structure design and higher strength and sealing, to withstand high pressure difference and ensure that structure is safe and stable operation, valve casting includes valve body, valve cover, valve flap and valve seat several main components, each component cooperates and works together, these components need to have high strength, good toughness, corrosion resistance and reliable sealing performance under high pressure environment, to ensure safe, stable operation in complex and demanding industrial application scenarios.

[0003] In many fields of industrial production and energy transmission, the problem of accurately controlling the flow, pressure and flow direction of fluid medium will be faced, especially under high pressure environment, ordinary pipeline connecting device cannot meet the requirement of safe and stable operation, so special valve equipment must be used, a typical high-pressure-resistant valve casting in the prior art is made of traditional casting process combined with specific metal alloy material, with certain strength and sealing, this valve casting still has many shortcomings, internal defects, such as blowhole and shrinkage hole, are easy to produce in casting process, these defects seriously weaken the mechanical properties of casting, cause sealing surface to be easy to wear and deform when it is used for a long time under high pressure environment, and then lead to sealing failure, not only increase the cost of structure maintenance and the risk of shutdown, but also pose potential threat to the continuity and safety of entire industrial production, difficult to meet the use requirement. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a kind of high-pressure-resistant valve casting, to improve the problem of insufficient sealing in prior art, easy to appear safety hazard, and increase maintenance cost, shutdown reduces work efficiency.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of high-pressure-resistant valve casting, including valve body, the outer wall of valve body left and right sides are fixedly connected with connecting disc, the left side of left side connecting disc is fixedly connected with rubber disc, the left side of connecting disc and rubber disc is equipped with multiple connecting holes, the left side middle part of rubber disc is equipped with extrusion slot, the left and right ends of valve body are fixedly connected with multiple communicating pipes, the outer wall of communicating pipe is provided with extrusion sheet, the right side of left side extrusion sheet is fixedly connected with extrusion ring, the inner wall of valve body is provided with anticorrosive layer, the rear side of valve body is provided with dismounting mechanism, and the dismounting mechanism is used for quick dismounting control component.

[0006] As further description of the above technical solution:

[0007] The dismounting mechanism includes a mounting port, the front end of the mounting port is fixedly connected with the rear end of the valve body, the inner wall of the mounting port is threadedly connected with a mounting sleeve, the top front side of the mounting sleeve is provided with a locking hole, the inner wall of the locking hole is provided with a locking bolt, the inner wall of the mounting sleeve is threadedly connected with a control shaft, and the front end of the control shaft is fixedly connected with a valve plug.

[0008] As further description of the above technical solution:

[0009] The top front side of the valve body is provided with a plaque slot, and the inner wall of the plaque slot is fixedly connected with a nameplate.

[0010] As further description of the above technical solution:

[0011] The rear end of the control shaft is fixedly connected with an assembly head, and the front side of the outer wall of the assembly head is provided with a wheel sleeve.

[0012] As further description of the above technical solution:

[0013] The outer wall of the wheel sleeve is fixedly connected with multiple reinforcing frames, and the right end of the right side reinforcing frame is fixedly connected with a hand wheel.

[0014] As further description of the above technical solution:

[0015] The outer wall of the hand wheel is fixedly connected with an anti-skid sleeve, and the anti-skid sleeve is a circular ring.

[0016] As further description of the above technical solution:

[0017] The outer wall of the extrusion ring is slidably connected with the inner wall of the extrusion slot, and multiple connecting discs are symmetrically arranged.

[0018] As further description of the above technical solution:

[0019] The rear side of the outer wall of the assembly head is threadedly connected with a nut, and the front side of the nut is provided with a gasket.

[0020] The utility model has the advantages of the following:

[0021] 1. In the utility model, the valve body provides a butt joint surface through the connecting disc, and is provided with a rubber disc and a connecting hole to facilitate assembly. The rubber disc is provided with an extrusion groove. The valve body is connected to a communication pipe at both ends. The outer wall is provided with an extrusion piece and an extrusion ring. During assembly, the extrusion ring enters the extrusion groove to increase the sealing pressure. The communication pipe improves the sealing performance. The inner wall of the valve body is provided with a corrosion-resistant layer to prevent corrosion. The structure design not only enhances the sealing performance but also prolongs the service life, thereby meeting the use requirements.

[0022] 2. In the utility model, the mounting port is arranged on the valve body. The mounting sleeve is screw-connected into the valve body and assembled. After assembly, the locking hole is arranged on the mounting sleeve and locked by the locking bolt. The control shaft is screw-connected to the mounting sleeve. The valve plug is moved in the valve body by rotating the control shaft, thereby achieving the clamping of the valve. The structure is convenient for quick disassembly and installation, simple to maintain, reduces downtime, improves efficiency, ensures stable control, and meets the disassembly and assembly requirements. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 FIG. 1 is a front side perspective view of a valve body of a high-pressure-resistant valve casting according to the utility model;

[0024] Figure 2 FIG. 2 is a partial structure exploded view of a rubber disc of a high-pressure-resistant valve casting according to the utility model;

[0025] Figure 3 FIG. 3 is a partial structure view of a valve plug of a high-pressure-resistant valve casting according to the utility model;

[0026] Figure 4 FIG. 4 is a partial structure display view of a hand wheel of a high-pressure-resistant valve casting according to the utility model;

[0027] Figure 5 FIG. 5 is a partial structure schematic view of a plate groove of a high-pressure-resistant valve casting according to the utility model.

[0028] LEGEND:

[0029] 1. Valve body; 2. Disassembly and assembly mechanism; 201. Mounting port; 202. Mounting sleeve; 203. Locking hole; 204. Locking bolt; 205. Control shaft; 206. Valve plug; 3. Connecting disc; 4. Rubber disc; 5. Connecting hole; 6. Extrusion groove; 7. Communication pipe; 8. Extrusion piece; 9. Extrusion ring; 10. Corrosion-resistant layer; 11. Plate groove; 12. Nameplate; 13. Assembly head; 14. Wheel sleeve; 15. Reinforcing frame; 16. Hand wheel; 17. Anti-skid sleeve; 18. Nut; 19. Gasket. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0031] Please refer to the drawings Figure 1 and the drawings Figure 2 , the utility model provides an embodiment: a kind of high-pressure-resistant valve casting, including valve body 1, the outer wall left and right sides of valve body 1 are fixedly connected with connecting disc 3, the left side of left connecting disc 3 is fixedly connected with rubber disc 4, a plurality of connecting holes 5 are set in the left side of connecting disc 3 and rubber disc 4, valve body 1 is the main component of this valve, these connecting disc 3 not only play a fixed role, can also be effectively connected with other pipe fittings, rubber disc 4 can provide better sealing effect, connecting hole 5 provides the part of connection for pipe fitting, extrusion groove 6 is set in the left side middle part of rubber disc 4, the left and right ends of valve body 1 are fixedly connected with a plurality of communicating pipes 7, extrusion piece 8 is arranged on the outer wall of communicating pipe 7, the right side of left extrusion piece 8 is fixedly connected with extrusion ring 9, the inner wall of valve body 1 is provided with anticorrosive layer 10, extrusion piece 8 can be used to guarantee the stability of extrusion, extrusion ring 9 can further enhance the pressure of sealing, improve sealing property, anticorrosive layer 10 can prolong the service life of valve body 1, the rear side of valve body 1 is provided with dismounting mechanism 2, and dismounting mechanism 2 is used for quickly disassembling control component.

[0032] Please refer to the drawings Figure 1 , the drawings Figure 3 and the drawings Figure 5 , dismounting mechanism 2 includes installation port 201, the front end of installation port 201 is fixedly connected with the rear end of valve body 1, the inner wall of installation port 201 is threadedly connected with installation sleeve 202, installation port 201 is the important installation part of mechanism, guarantees the installation of control component, ensures the stable connection of dismounting mechanism 2, the connection of installation sleeve 202 and installation port 201 improves the convenience of dismounting, locking hole 203 is set in the top front side of installation sleeve 202, locking bolt 204 is arranged on the inner wall of locking hole 203, control shaft 205 is threadedly connected on the inner wall of installation sleeve 202, valve plug 206 is fixedly connected on the front end of control shaft 205, control shaft 205 can rotate to control the opening and closing of valve, and valve plug 206 is the key component for controlling fluid flow, which ensures the smooth operation of the whole structure.

[0033] Please refer to the drawings Figure 1 , the drawings Figure 4 and the drawings Figure 5The top front side of the valve body 1 is provided with a plaque groove 11, the inner wall of the plaque groove 11 is fixedly connected with a nameplate 12, the plaque groove 11 is a structure for accommodating the nameplate 12, this nameplate 12 not only bears important identification information, but also increases the appearance of the product, the rear end of the control shaft 205 is fixedly connected with an assembly head 13, the outer wall of the assembly head 13 is provided with a wheel sleeve 14, the outer wall of the wheel sleeve 14 is fixedly connected with a plurality of reinforcing frames 15, the right end of the right reinforcing frame 15 is fixedly connected with a hand wheel 16, these reinforcing frames 15 not only enhance the stability of the structure, but also improve the overall durability, this hand wheel 16 makes the operation more convenient, and also provides better user experience.

[0034] Please refer to the accompanying Figure 1 , the accompanying Figure 3 and the accompanying Figure 4 , the outer wall of the hand wheel 16 is fixedly connected with an anti-skid sleeve 17, the anti-skid sleeve 17 is a circular ring, this anti-skid sleeve 17 presents a circular ring structure, so as to provide better grip and anti-skid effect, the outer wall of the extrusion ring 9 is slidably connected with the inner wall of the extrusion groove 6, a plurality of connecting discs 3 are symmetrically arranged, the outer wall of the assembly head 13 is threadedly connected with a nut 18, the front side of the nut 18 is provided with a gasket 19, the nut 18 is connected in a firm and detachable manner, the gasket 19 reduces the friction between the nut 18 and the assembly head 13, prolongs the service life, and provides additional support.

[0035] Working principle: the connecting disc 3 connected to the valve body 1 provides a butt joint surface, a rubber disc 4 is also provided on the connecting disc 3 and a connecting hole 5 is formed corresponding thereto, so as to facilitate connection and assembly, an extrusion groove 6 is also formed on the rubber disc 4, and a communication pipe 7 is also respectively communicated at both ends of the valve body 1, an extrusion piece 8 provided with an extrusion ring 9 is arranged on the outer wall of the communication pipe 7, when the connecting assembly is assembled on the connecting disc 3, the extrusion ring 9 on the extrusion piece 8 is pushed into the inner wall of the extrusion groove 6, the sealing pressure is increased, and the presence of the communication pipe 7 further increases the sealing performance, and a corrosion-resistant layer 10 is arranged on the inner wall of the valve body 1 to avoid corrosion of the structure, such a structure improves the sealing performance of the structure and prolongs the service life of the structure, and meets the use requirements;

[0036] The installation sleeve 202 can be threadedly connected into the inside of the mounting port 201 for assembly, and the locking hole 203 is formed at the corresponding position after the installation sleeve 202 is assembled, and the locking bolt 204 is inserted for locking, since the control shaft 205 is threadedly connected in the inside of the installation sleeve 202, when the control shaft 205 is rotated, the valve plug 206 fixed at one end of the control shaft 205 is pushed into and pulled out of the inside of the valve body 1, so as to realize the opening and closing effect of the valve, and such a structure can be quickly disassembled and installed, is convenient for maintenance, reduces the downtime, improves the work efficiency, and is stable in control, meets the disassembly and assembly requirements.

[0037] Finally, it should be noted that the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A high pressure resistant valve casting comprising a valve body (1), characterized in that: The outer wall of the valve body (1) is fixedly connected with connecting plates (3) on the left and right sides, the left connecting plate (3) is fixedly connected with a rubber plate (4) on the left side, a plurality of connecting holes (5) are formed in the left connecting plate (3) and the rubber plate (4), an extrusion groove (6) is formed in the left middle part of the rubber plate (4), a plurality of communication pipes (7) are fixedly connected to the left and right ends of the valve body (1), the extrusion pieces (8) are arranged on the outer walls of the communication pipes (7), the extrusion rings (9) are fixedly connected to the right sides of the left extrusion pieces (8), the inner wall of the valve body (1) is provided with an anticorrosion layer (10), the rear side of the valve body (1) is provided with a dismounting mechanism (2), and the dismounting mechanism (2) is used for quickly dismounting the control component.

2. A high pressure resistant valve casting according to claim 1, characterized in that: The dismounting mechanism (2) comprises a mounting port (201), the front end of the mounting port (201) is fixedly connected with the rear end of the valve body (1), the inner wall of the mounting port (201) is threadedly connected with a mounting sleeve (202), the top front side of the mounting sleeve (202) is provided with a locking hole (203), the inner wall of the locking hole (203) is provided with a locking bolt (204), the inner wall of the mounting sleeve (202) is threadedly connected with a control shaft (205), and the front end of the control shaft (205) is fixedly connected with a valve plug (206).

3. A high pressure resistant valve casting according to claim 1, characterized in that: The top front side of the valve body (1) is provided with a plaque groove (11), and the inner wall of the plaque groove (11) is fixedly connected with a nameplate (12).

4. A high pressure resistant valve casting according to claim 2, characterized in that: The rear end of the control shaft (205) is fixedly connected with an assembling head (13), and the outer wall of the assembling head (13) is provided with a wheel sleeve (14).

5. A high pressure resistant valve casting according to claim 4, characterized in that: The outer wall of the wheel sleeve (14) is fixedly connected with a plurality of reinforcing frames (15), and the right end of the right reinforcing frame (15) is fixedly connected with a hand wheel (16).

6. A high pressure resistant valve casting according to claim 5, characterized in that: The outer wall of the hand wheel (16) is fixedly connected with an anti-skid sleeve (17), and the anti-skid sleeve (17) is a circular ring.

7. A high pressure resistant valve casting according to claim 1, characterized in that: The outer wall of the extrusion ring (9) is slidably connected with the inner wall of the extrusion groove (6), and a plurality of connecting plates (3) are symmetrically arranged between the connecting plates (3).

8. A high pressure resistant valve casting according to claim 4, characterized in that: The outer wall rear side of the assembling head (13) is threadedly connected with a nut (18), and the front side of the nut (18) is provided with a gasket (19).

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