CN219472854U

CN219472854U - Durable valve

Info

Publication number: CN219472854U
Application number: CN202320304448.7U
Authority: CN
Inventors: 翁远辉; 翁瑞彬
Original assignee: Jinlaibang Automatic Control Valve Co ltd
Current assignee: Jinlaibang Automatic Control Valve Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-08-04
Anticipated expiration: 2033-02-24

Abstract

The utility model discloses a durable valve, which belongs to the technical field of valves and comprises a valve main body, wherein the valve main body comprises a valve body structure, a valve rod, a hand wheel, an inlet pipe, an outlet pipe, a valve plate and two flanges, the valve body structure comprises a lower valve body and an upper valve body which are matched for use, the front end and the rear end of the lower valve body are respectively provided with an inlet and an outlet, the inlet pipe and the outlet pipe are respectively communicated with the inlet and the outlet, the valve rod is rotatably arranged on the upper valve body, and the hand wheel is arranged at the top end of the valve rod; the valve body structure is formed by arranging the lower valve body and the upper valve body, the fixed block is matched with the fixed bolt to form the valve body structure, the valve body structure is split, the later disassembly and maintenance are convenient, the filter screen is utilized to set up and filter the flow through the medium, the blocking caused by the fact that particulate matters in the medium enter into the valve body is avoided, the gear ring is matched with the limiting plate and the movable top plate to be used, and the later disassembly, cleaning and maintenance are convenient when the filter screen is guaranteed to be used stably.

Description

Durable valve

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a durable valve.

Background

Along with the rapid development of modern industry, valves are used in various industrial production and medium transportation, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive mediums, slurry, oil products, liquid metal, radioactive mediums and the like, and the valves are control components in a fluid conveying system and have the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. Valves for fluid control systems range from the simplest shut-off valves to the various valves used in extremely complex automatic control systems, which are quite diverse in variety and specification.

The existing valve is lack of filtering function to the flowing medium inside, especially when carrying to gas or liquid medium, the particulate matter doped in the medium can cause the jam in the valve inside when flowing through the valve, influences the use for the valve durability is lower, and the valve body structure of valve is the integral casting shaping, can not dismantle the maintenance operation, and for this reason, we propose a durable valve.

Disclosure of Invention

The utility model aims to provide a durable valve, so as to solve the problems that the existing valve in the prior art lacks a filtering function on a flowing medium, particularly when the valve is used for conveying a gas or liquid medium, particulate matters doped in the medium can be blocked in the valve when flowing through the valve, and the use is affected, so that the durability of the valve is low, and the valve body structure of the valve is integrally cast and formed and cannot be disassembled and maintained.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a durable type valve, includes the valve main part, the valve main part includes valve body structure, valve rod, hand wheel, import pipe, outlet pipe, valve plate and two ring flanges, the valve body structure is including the lower valve body and the last valve body that the cooperation was used, import and export have been seted up respectively to the front and back both ends of lower valve body, import pipe and outlet pipe are linked together with import and export respectively, the valve rod is rotated and is installed on last valve body and the top at the valve rod is installed to the hand wheel, the bottom of valve rod extends to down inside the valve body, circular slot has been seted up to the upper surface of valve plate and the bottom of valve rod extends to inside the circular slot, just right circular slot department screw thread installation has a plurality of equipment bolt on the valve plate, set up the screw hole that the equipment bolt passed on the valve rod, a side that the valve plate is close to the import pipe is provided with the buffer board, the inner wall mounting of import pipe is provided with the filter screen.

Adopt above-mentioned scheme, constitute the valve body structure through setting up lower valve body and last valve body, utilize fixed block cooperation fixing bolt to constitute, the split type design of valve body structure, be convenient for later stage dismantles and maintains, and utilize the filter screen setting to filter the flow through the medium, avoid particulate matter in the medium to enter into inside the valve main part and cause the jam, and utilize gear ring cooperation limiting plate and activity roof to use, be convenient for later stage dismantlement clearance maintenance when guaranteeing that the filter screen is stable to use, use through setting up valve plate cooperation buffer plate and spring two, can cushion when flowing through the medium and carry, avoid the valve plate to receive the medium impact damage, promote life, telescopic link two can support the buffer plate, avoid rocking, perfect function diversity.

As a preferred implementation mode, an opening is formed in the lower valve body, the upper valve body is arranged in the opening in a sealing mode, a plurality of fixing blocks are fixedly mounted on the inner wall of the opening, a plurality of fixing grooves for the fixing blocks to be inserted are formed in the upper valve body, and fixing bolts connected with the fixing blocks are mounted on the position, opposite to the fixing grooves, of the upper valve body in a threaded mode.

By adopting the scheme, the upper valve body is inserted to the opening on the lower valve body, the fixing block is inserted into the fixing groove, the lower valve body and the upper valve body are assembled and fixed by matching with the fixing bolt, and the valve body structure is designed in a split type, so that the disassembly, assembly and maintenance operation are convenient to use.

As a preferred implementation mode, the installation groove is formed in one end, away from each other, of each of the inlet pipe and the outlet pipe, a rubber sealing gasket is embedded in the installation groove, and the section of the rubber sealing gasket and the section of the installation groove are trapezoidal.

By adopting the scheme, the embedded design and installation of the rubber sealing gasket are utilized, the trapezoid cross section is utilized for limiting and supporting, and the phenomenon that the rubber sealing gasket falls off is avoided.

As a preferred implementation mode, the inner wall of the inlet pipe is provided with a plurality of limiting plates in an annular array, the outer surface of the filter screen is provided with a plurality of limiting grooves for the limiting plates to pass through, one end, close to the lower valve body, of the limiting plates is provided with a gear ring, the front surface of the gear ring is attached to the back surface of the filter screen, the limiting plates are movably provided with movable top plates for limiting the filter screen, and the filter screen is located between the movable top plates and the gear ring.

By adopting the scheme, the filter screen can be supported and limited by utilizing the limiting plate to cooperate with the limiting groove, and the movable top plate which is matched with the gear ring and movably arranged is used, so that the filter screen is not easy to shake in the inlet pipe.

As a preferred implementation mode, the side of limiting plate is provided with a groove, the inner wall of the groove is provided with a first spring, the movable top plate is arranged at the top end of the first spring, the first spring is internally provided with a first telescopic rod, two ends of which are respectively connected with the inner wall of the groove and the movable top plate, and one side, far away from the lower valve body, of the movable top plate towards the inlet pipe is provided with an inclined surface.

By adopting the scheme, the first telescopic rod is matched with the first spring, the inclined surface can be used for driving the movable top plate to shrink into the groove when the filter screen is installed, the movable top plate is driven to reset by the elasticity of the first spring after the filter screen is installed and aligned to prop up the filter screen, shaking is avoided, and the first telescopic rod can support the movable top plate, so that shaking is avoided.

As a preferred implementation mode, a plurality of second springs are arranged between the buffer plate and the valve plate, and the second springs are internally provided with second telescopic rods with two ends respectively connected with the buffer plate and the valve plate.

By adopting the scheme, the second spring is used in a matched mode, buffering can be carried out when the second spring is conveyed through media, the valve plate is prevented from being damaged by the impact of the media, the service life is prolonged, and the second telescopic rod can support the buffer plate and avoid shaking.

Compared with the prior art, the utility model has the beneficial effects that:

the durable valve is characterized in that a valve body structure is formed by arranging the lower valve body and the upper valve body, the valve body structure is formed by utilizing the fixed block to be matched with the fixed bolt, the valve body structure is in split type design, the later disassembly and maintenance are convenient, the filter screen is arranged to filter flowing media, the blocking caused by the fact that particulate matters in the media enter the valve body is avoided, and the gear ring is matched with the limiting plate and the movable top plate for use, so that the filter screen is convenient to disassemble, clean and maintain in the later stage while being used stably;

this durable valve is through setting up valve plate cooperation buffer board and spring two use, can cushion when flowing through the medium and carry, avoids the valve plate to receive the medium and assaults the damage, promotes life, and telescopic link two can support the buffer board, avoids rocking, perfects the functional diversity.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the structure of the lower valve body of the present utility model;

FIG. 4 is a schematic view of the structure of the stop plate and the shift ring of the present utility model;

FIG. 5 is a schematic view of a cross section of a limiting plate according to the present utility model;

FIG. 6 is a schematic view of the structure of the rubber sealing gasket of the present utility model;

FIG. 7 is a schematic view of the structure of the upper valve body and valve stem of the present utility model;

FIG. 8 is a schematic view of the valve plate and the buffer plate of the present utility model in cross section;

fig. 9 is an enlarged schematic view of the structure of fig. 8 a according to the present utility model.

In the figure: 1. a valve body; 2. a valve body structure; 3. a lower valve body; 4. an upper valve body; 5. a valve stem; 6. a hand wheel; 7. an inlet pipe; 8. an outlet tube; 9. a flange plate; 10. a rubber sealing gasket; 11. a valve plate; 12. a filter screen; 13. a limiting plate; 14. a fixed block; 15. a fixing bolt; 16. a mounting groove; 17. a gear ring; 18. a movable top plate; 19. a first spring; 20. a first telescopic rod; 21. a second spring; 22. a buffer plate; 23. a second telescopic rod; 24. and assembling a bolt.

Detailed Description

Referring to fig. 1-9, the utility model provides a durable valve, which comprises a valve body 1, the valve body 1 comprises a valve body structure 2, a valve rod 5, a hand wheel 6, an inlet pipe 7, an outlet pipe 8, a valve plate 11 and two flanges 9, the valve body structure 2 comprises a lower valve body 3 and an upper valve body 4 which are matched for use, the front end and the rear end of the lower valve body 3 are respectively provided with an inlet and an outlet, the inlet pipe 7 and the outlet pipe 8 are respectively communicated with the inlet and the outlet, the valve rod 5 is rotatably arranged on the upper valve body 4, the hand wheel 6 is arranged at the top end of the valve rod 5, the bottom end of the valve rod 5 extends into the lower valve body 3, the upper surface of the valve plate 11 is provided with a circular groove, the bottom end of the valve rod 5 extends into the circular groove, a plurality of assembling bolts 24 are arranged on the valve plate 11 in a position facing the circular groove in a threaded manner, a buffer plate 22 is arranged on one side surface of the valve plate 11 close to the inlet pipe 7, and a filter screen 12 is arranged on the inner wall of the inlet pipe 7.

The lower valve body 3 is provided with an opening, the upper valve body 4 is arranged in the opening in a sealing manner, the inner wall of the opening is fixedly provided with a plurality of fixing blocks 14, the upper valve body 4 is provided with a plurality of fixing grooves for the fixing blocks 14 to be inserted, the position, opposite to the fixing grooves, of the upper valve body 4 is provided with fixing bolts 15 connected with the fixing blocks 14 in a threaded manner, the upper valve body 4 is inserted to the opening on the lower valve body 3, the fixing blocks 14 are inserted into the fixing grooves, the lower valve body 3 and the upper valve body 4 are assembled and fixed in a matched manner through the fixing bolts 15, and the valve body structure 2 is designed in a split manner, so that the disassembly, the maintenance and the operation are convenient to use.

The mounting groove 16 has all been seted up to the one end that import pipe 7 and export pipe 8 kept away from each other and the embedded rubber seal packing ring 10 that is equipped with of mounting groove 16, and the cross-section of rubber seal packing ring 10 and the cross-section of mounting groove 16 are trapezoidal, utilize the embedded design installation of rubber seal packing ring 10 to utilize the cross-section trapezoidal to carry out spacing support, avoid rubber seal packing ring 10 to appear dropping the phenomenon.

The inner wall of the inlet pipe 7 is annular array and installs a plurality of limiting plate 13, the surface of filter screen 12 has been offered a plurality of and has been supplied limiting plate 13 to pass the spacing groove, the one end that limiting plate 13 is close to down valve body 3 is installed and is kept off the position ring 17, keep off the front of position ring 17 and laminating mutually with the back of filter screen 12, the activity is provided with the activity roof 18 that is used for carrying out spacing to filter screen 12 on limiting plate 13, filter screen 12 is located between activity roof 18 and the position ring 17, utilize limiting plate 13 cooperation limiting groove to use can support spacing to filter screen 12, cooperation keeps off the position ring 17 and the activity roof 18 of activity setting use, and then can guarantee that filter screen 12 is difficult for appearing rocking phenomenon in inlet pipe 7 inside.

The side of limiting plate 13 is set up flutedly and recess inner wall installs first 19 of spring, the top at first 19 of spring is installed to activity roof 18, the inside telescopic link first 20 that both ends are connected with recess inner wall and activity roof 18 respectively that is provided with of first 19, the activity roof 18 is kept away from down valve body 3 towards intake pipe 7 one side has the inclined plane, utilize first 19 of spring to cooperate telescopic link first 20 to use, utilize the inclined plane to order about activity roof 18 shrink to enter into the recess inside when filter screen 12 installs, and utilize the elasticity of first 19 of spring to order about activity roof 18 to reset after filter screen 12 installs counterpoint and withstands filter screen 12, avoid rocking, and telescopic link first 20 can support activity roof 18, avoid rocking.

Install a plurality of spring two 21 between baffle 22 and the valve plate 11, spring two 21 inside is provided with the telescopic link two 23 that both ends are connected with baffle 22 and valve plate 11 respectively, utilizes spring two 21 cooperation to use, can cushion when flowing through the medium and carry, avoids valve plate 11 to receive the medium impact damage, promotes life, and telescopic link two 23 can support baffle 22, avoids rocking.

When the valve is used, the valve body 1 is communicated with an external medium flow pipeline through the flange 9, the valve rod 5 is driven to rotate through the hand wheel 6, the valve rod 5 drives the valve plate 11 to rotate to realize the medium conveying and opening and closing operation, the filter screen 12 is used for filtering the medium, the blocking caused by the fact that doped particulate matters in the medium enter the valve body 1 is avoided, when the valve plate 11 is closed during medium conveying, the spring two 21 is matched with the buffer plate 22 to buffer the valve plate 11, the valve plate 11 is prevented from being damaged by medium impact, the service life is prolonged, when maintenance is needed after operation is completed, the fixing bolt 15 can be unscrewed, the upper valve body 4 and the lower valve body 3 are detached for maintenance, the upper valve body 4 is inserted to the opening on the lower valve body 3 during installation, the fixing bolt 15 is screwed in for completing assembly, when the filter screen 12 is detached for maintenance, the movable top plate 18 is pressed to shrink into the groove, the tightening of the filter screen 12 is relieved, and the filter screen 12 is taken out for maintenance and cleaning.

Claims

1. A durable valve, characterized by: including valve main part (1), valve main part (1) include valve body structure (2), valve rod (5), hand wheel (6), import pipe (7), outlet pipe (8), valve plate (11) and two ring flanges (9), valve body structure (2) are including lower valve body (3) and last valve body (4) that the cooperation was used, import and export have been seted up respectively to the front and back both ends of lower valve body (3), import pipe (7) and outlet pipe (8) are linked together with import and export respectively, valve rod (5) rotate install on last valve body (4) and hand wheel (6) install the top at valve rod (5), the bottom of valve rod (5) extends to inside valve body (3) down, circular slot and the bottom of valve rod (5) extend to inside the circular slot, just install a plurality of equipment bolt (24) to circular slot department screw thread on valve plate (11), offer the screw hole that supplies equipment bolt (24) to pass on valve rod (5), valve plate (11) are close to one side of valve plate (7) installs filter screen (12) that is provided with in the inner wall (7).

2. The robust valve as recited in claim 1, wherein: an opening is formed in the lower valve body (3), the upper valve body (4) is arranged in the opening in a sealing mode, a plurality of fixing blocks (14) are fixedly mounted on the inner wall of the opening, a plurality of fixing grooves for the fixing blocks (14) to be inserted are formed in the upper valve body (4), and fixing bolts (15) connected with the fixing blocks (14) are mounted on the positions, opposite to the fixing grooves, of the upper valve body (4) in a threaded mode.

3. The robust valve as recited in claim 1, wherein: the installation groove (16) is formed in one end, away from each other, of each of the inlet pipe (7) and the outlet pipe (8), the rubber sealing gasket (10) is embedded in the installation groove (16), and the section of the rubber sealing gasket (10) and the section of the installation groove (16) are trapezoidal.

4. The robust valve as recited in claim 1, wherein: the inner wall of intake pipe (7) is annular array and installs a plurality of limiting plate (13), the spacing groove that a plurality of confession limiting plate (13) passed has been seted up to the surface of filter screen (12), keep off position ring (17) are installed to the one end that limiting plate (13) are close to lower valve body (3), keep off the front of position ring (17) and the laminating mutually of the back of filter screen (12), the activity is provided with movable roof (18) that are used for carrying out spacing to filter screen (12) on limiting plate (13), filter screen (12) are located between movable roof (18) and keep off position ring (17).

5. The robust valve as recited in claim 4, wherein: the side of limiting plate (13) is seted up flutedly and recess inner wall installs first spring (19), activity roof (18) are installed on the top of first spring (19), the inside telescopic link (20) that are connected with recess inner wall and activity roof (18) respectively in spring (19) are provided with both ends, one side that lower valve body (3) was kept away from towards inlet tube (7) is had the inclined plane to activity roof (18).

6. The robust valve as recited in claim 1, wherein: a plurality of second springs (21) are arranged between the buffer plate (22) and the valve plate (11), and two telescopic rods (23) with two ends connected with the buffer plate (22) and the valve plate (11) respectively are arranged inside the second springs (21).