CN220320353U - Wear-resisting governing valve - Google Patents

Abstract

The utility model discloses a wear-resistant regulating valve, which comprises a valve body, wherein two ends of the valve body are connected with assembly flanges through short sections, a lower valve seat is arranged in the valve body, the lower valve seat and the valve body are limited through a locating pin, an o-shaped sealing ring is arranged on the outer side of the lower valve seat, and the o-shaped sealing ring is tightly attached to the inner wall of the valve body.

Description

Wear-resisting governing valve

Technical Field

The utility model relates to the technical field of wear-resistant valves, in particular to a wear-resistant regulating valve.

Background

The valve is a control component in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, splitting flow or overflow pressure relief and the like, and is used for the fluid control system, and the variety and the specification of the valve range from the simplest stopping valve to various valves used in a very complex automatic control system are quite various. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, but when the valve is used for a long time, the valve core can be worn greatly, so that the wear resistance of the valve is improved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a wear-resistant regulating valve, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a wear-resisting governing valve, includes the valve body, the valve body both ends are connected with the assembly flange through the nipple joint, be provided with down the disk seat in the valve body, carry out spacingly through the locating pin between disk seat and the valve body down, the disk seat outside is provided with o type sealing ring down, o type sealing ring is hugged closely with the valve body inner wall, the assembly is connected with the valve gap on the valve gap, rotate on the valve gap and be connected with the valve rod, the valve head is installed to the valve head lower extreme, the disk seat is installed to the valve head lower part, go up through locating pin normal running fit between disk seat and the disk seat down, the blind hole has been seted up at the lower terminal surface center of valve head, install the spring in the blind hole, the lower extreme of spring pastes with last disk seat mutually to paste, go up the disk seat and down and seted up the valve opening on the disk seat each other staggered arrangement and be annular array, it is the plane to go up the disk seat and the disk seat down and the contact surface that is tungsten carbide disk seat structure and each other.

Preferably, a support is arranged on the valve cover, a single-acting 90-degree rotary cylinder is arranged on the support, and one end of the single-acting 90-degree rotary cylinder is connected with the upper end of the valve rod.

Preferably, a combined packing is arranged at the contact position of the valve rod and the valve cover, a bearing and a pressing sleeve are arranged above the combined packing, a bearing bush is arranged on the upper portion of the pressing sleeve, a flange seat is arranged on the upper portion of the pressing sleeve and the upper portion of the bearing bush, and the flange seat is assembled and fixed with the valve cover through bolts.

Preferably, a sealing ring is arranged at the contact position of the valve cover and the valve body.

Advantageous effects

The utility model provides a wear-resistant regulating valve. The beneficial effects are as follows: the upper valve seat and the lower valve seat are sealed by a plane, the valve rod is utilized to rotate to drive the upper valve seat, the valve is opened when the upper valve seat hole and the lower valve seat hole are communicated, the valve is closed when the upper valve seat hole and the lower valve seat hole are not communicated, the upper valve seat and the lower valve seat are in a close state in real time by adopting a spring compacting mode, tungsten carbide is adopted as the upper valve seat and the lower valve seat, the wear resistance is enhanced, the structure is simple, and the reliability is high.

Drawings

Fig. 1 is a schematic diagram of a front view structure of a wear-resistant regulating valve according to the present utility model.

Fig. 2 is a schematic view of a partial top-view cross-section structure of a wear-resistant adjusting valve in a closed state according to the present utility model.

In the figure: 1. a valve body; 2. a short section; 3. a positioning pin; 4. an o-ring seal; 5. a lower valve seat; 6. an upper valve seat; 7. a limiting pin; 8. a valve head; 9. a spring; 10. a combined filler; 11. pressing the sleeve; 12. a flange seat; 13. bearing bush; 14. a bracket; 15. a single-acting 90-degree rotary cylinder; 16. a valve cover; 17. and (3) sealing rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

All electric components in the scheme are connected with an adaptive power supply through wires by a person skilled in the art, and an appropriate controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequences, and the electric connection is completed by referring to the following working principles in the working sequence among the electric components, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted from the description of electric control.

Examples: as can be seen from 1-2 of the attached drawings in the specification, the scheme is particularly a wear-resistant regulating valve, two ends of a valve body 1 are connected with assembly flanges through short sections 2, a lower valve seat 5 is arranged in the valve body 1, the lower valve seat 5 and the valve body are limited by a positioning pin 3, an o-shaped sealing ring 4 is arranged on the outer side of the lower valve seat 5, the o-shaped sealing ring 4 is tightly attached to the inner wall of the valve body, a valve cover 16 is assembled and connected on the valve body 1, a valve rod is rotatably connected on the valve cover 16, a valve head 8 is arranged at the lower end of the valve rod, an upper valve seat 6 is arranged at the lower part of the valve head 8, the upper valve seat 6 is in rotary fit with the lower valve seat 5 through a limiting pin 7, a blind hole is formed in the center of the lower end face of the valve head 8, a spring 9 is arranged in the blind hole, the lower end of the spring 9 is attached to the upper valve seat 6, the valve holes are respectively formed in the upper valve seat 6 and the lower valve seat 5, the valve holes in the upper valve seat 6 and the valve holes in the lower valve seat 5 are arranged in a staggered mode and are in an annular array, the contact surfaces of the upper valve seat 6 and the lower valve seat 5 are of a tungsten carbide valve seat structure and are planes, the wear-resistant regulating valve is characterized in that the upper valve seat and the lower valve seat adopt plane sealing, the rotation of the valve rod is utilized to drive the rotation of the upper valve seat 6, when the upper valve seat hole and the lower valve seat hole are communicated, the valve is opened, when the upper valve seat hole and the lower valve seat hole are not communicated, closing is realized, the mode of pressing by the spring 9 is adopted, the upper valve seat and the lower valve seat are in a close state all the time, tungsten carbide is adopted as the upper valve seat and the lower valve seat, the wear-resistant regulating valve is enhanced, the structure is simple, and the reliability is high.

In a specific implementation process, the valve cover 16 is provided with the bracket 14, the bracket 14 is provided with the single-acting 90-degree rotary cylinder 15, and one end of the single-acting 90-degree rotary cylinder 15 is connected with the upper end of the valve rod, so that mechanical control on opening and closing of the valve is conveniently realized.

In the concrete implementation process, the contact position of the valve rod and the valve cover 16 is provided with the combined packing 10, the bearing and the pressing sleeve 11 are arranged above the combined packing 10, the bearing bush 13 is arranged on the upper portion of the pressing sleeve 11, the flange seat 12 is arranged on the upper portion of the pressing sleeve 11 and the upper portion of the bearing bush 13, the flange seat 12 is fixedly assembled with the valve cover 16 through bolts, the combined packing 10 can further ensure the contact sealing performance between the valve rod and the valve cover 16, and the upper portion is matched with the pressing sleeve 11 through the bearing bush 13 to further ensure the structural stability of the connection between the valve rod and the valve body 1.

In the specific implementation process, the contact position of the valve cover 16 and the valve body 1 is provided with a sealing ring 17, so that the sealing performance between the valve body 1 and the valve cover 2 is further improved, and the operation stability of the valve is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a wear-resisting governing valve, includes valve body (1), its characterized in that, valve body (1) both ends are connected with the assembly flange through nipple joint (2), be provided with down disk seat (5) in valve body (1), it is spacing through locating pin (3) between disk seat (5) and the valve body down, the disk seat (5) outside is provided with o type sealing ring (4) down, o type sealing ring (4) are hugged closely with the valve body inner wall, assembly connection has valve gap (16) on valve body (1), rotate on valve gap (16) and be connected with the valve rod, valve head (8) are installed to the valve rod lower extreme, valve seat (6) are installed to valve head (8) lower part, go up through locating pin (7) normal running fit between disk seat (6) and the disk seat (5) down, the blind hole has been seted up at the lower terminal surface center of valve head (8), install spring (9) in the blind hole, the lower extreme and last disk seat (6) are pasted with last disk seat (6), have been seted up on disk seat (6) and lower disk seat (5) respectively, on valve seat (6) and lower disk seat (5) are the valve seat (5) and are the mutual plane of mutual carbonization face of valve seat (5) and are the upper and lower disk seat (5).

2. The wear-resistant regulating valve according to claim 1, wherein a bracket (14) is installed on the valve cover (16), a single-acting 90-degree rotary cylinder (15) is installed on the bracket (14), and one end of the single-acting 90-degree rotary cylinder (15) is connected with the upper end of the valve rod.

3. The wear-resistant adjusting valve according to claim 1, wherein a combined packing (10) is arranged at a contact position of the valve rod and the valve cover (16), a bearing and a pressing sleeve (11) are arranged above the combined packing (10), a bearing bush (13) is arranged on the upper portion of the pressing sleeve (11), a flange seat (12) is arranged on the upper portion of the pressing sleeve (11) and the upper portion of the bearing bush (13), and the flange seat (12) is assembled and fixed with the valve cover (16) through bolts.

4. A wear resistant regulating valve according to claim 1, characterized in that the valve cover (16) is provided with a sealing ring (17) in the contact position with the valve body (1).