CN219932969U

CN219932969U - Novel stop valve

Info

Publication number: CN219932969U
Application number: CN202321414669.6U
Authority: CN
Inventors: 张恒; 李红成; 张伟生; 孙文
Original assignee: Jiangsu Salt Casting Co ltd
Current assignee: Jiangsu Salt Casting Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-10-31
Anticipated expiration: 2033-06-05

Abstract

The utility model discloses a novel stop valve, and relates to the technical field of stop valves. This novel stop valve through setting up hand wheel, the threaded rod, the movable rod, the closing plate, sealing washer and valve clack, rotate the hand wheel and can drive the threaded rod and reciprocate in its inboard, the threaded rod removes and drives movable rod, closing plate and valve clack reciprocates, closing plate and valve clack remain throughout and remove in the adjustment passageway, closely laminate together with adjustment passageway inner wall, can adjust the velocity of flow after the valve clack upwards moves, it is very convenient to adjust, impurity in can filter medium through setting up first passageway, first filter screen, second passageway and second filter screen, avoid impurity to remain in the disk seat bottom, buffer washer and dust ring have still been set up simultaneously, produced effort when can cushion the valve clack and move down, avoid the disk seat to damage, the dust on movable rod surface can be cleared up to the dust, avoid the dust to get into inside the disk seat.

Description

Novel stop valve

Technical Field

The utility model relates to the technical field of stop valves, in particular to a novel stop valve.

Background

Today, the stop valve is used as a medium interception and circulation object, and is widely used in daily life, and meanwhile, the stop valve also has a regulating function, so that the use is very convenient, but the use of the existing stop valve can generate a certain degree of abrasion, so that the internal tightness is not very strong.

For example, patent publication number CN207893214U discloses a novel stop valve, wherein a valve body is integrally molded with a left fluid chamber and a right fluid chamber through casting, the right side end of the left fluid chamber is communicated with the left side end of the right fluid chamber through a vertical circular through hole, the left side end of the right fluid chamber is arranged above the right side end of the left fluid chamber, and the bottom of a valve rod is fastened in the vertical rotary connecting hole to realize the purpose of fastening connection with a valve clack; the top end of the valve rod can sequentially penetrate through the vertical guide rod hole, the packing pad, the tubular packing block, the packing gland and the pressing plate upwards, enter the bracket and continuously are screwed with the shaft sleeve upwards. The utility model has the characteristics of novel structure, good sealing effect, stable operation, long service life and stronger practicability;

the internal tightness of the stop valve in the patent is not very good, a large number of gaps exist between the valve clack and the inner wall of the stop valve, and after the valve clack rises, the medium can only be ensured to normally circulate, so that the flow speed cannot be better regulated.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a novel stop valve, which solves the problem that the flow rate cannot be regulated better.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a novel stop valve, includes the disk seat, the disk seat upside has flange through the bolt mounting, flange upside fixed mounting has the backup pad, backup pad upside fixed mounting has the fixed plate, the backup pad inboard is provided with the extension cover, the extension cover inboard is provided with the movable rod, movable rod upside fixedly connected with threaded rod, the fixed plate upside is provided with the hand wheel, the hand wheel inboard seted up with the corresponding screw thread of threaded rod, movable rod downside fixed mounting has the closing plate, the closing plate outside is provided with the sealing washer, closing plate downside fixed mounting has the connecting rod, connecting rod downside fixed mounting has the valve clack, the disk seat left side is provided with first connector, the disk seat right side is provided with the second connector, first connector inboard is provided with first passageway, first passageway inboard is provided with first filter screen, second connector inboard is provided with the second passageway, second passageway inboard is provided with the second filter screen.

Preferably, an adjusting channel is arranged on the inner side of the valve seat, and the valve clack and the outer edge of the sealing plate are attached to the inner side of the adjusting channel.

Preferably, a buffer gasket is fixedly arranged on the inner side of the valve seat, and the buffer gasket and the valve clack have the same outer diameter.

Preferably, a cavity is formed in the bottom of the valve seat, and the second channel is formed in the right side of the cavity.

Preferably, the clamping ring is fixedly arranged on the outer sides of the first filter screen and the second filter screen, and the clamping ring is detachably arranged in the first connecting port and the second connecting port.

Preferably, a dust ring is fixedly arranged at the top of the valve seat, and the movable rod is arranged at the outer side of the dust ring.

Advantageous effects

The utility model provides a novel stop valve. Compared with the prior art, the method has the following beneficial effects:

1. this novel stop valve through setting up hand wheel, threaded rod, movable rod, closing plate, sealing washer and valve clack, rotates the hand wheel and can drive the threaded rod and reciprocate in its inboard, and the threaded rod removes and drives movable rod, closing plate and valve clack and reciprocate, and closing plate and valve clack remain throughout and remove in the adjustment passageway, closely laminate together with adjustment passageway inner wall, can adjust the velocity of flow after the valve clack upwards moves, and it is very convenient to adjust.

2. This novel stop valve through setting up first passageway, first filter screen, second passageway and second filter screen, impurity in can filter medium avoids impurity to remain in the disk seat bottom, has still set up buffer gasket and dust ring simultaneously, can cushion the effort that the valve clack moved down produced, avoids the disk seat to damage, and the dust on dust ring can clear up the movable rod surface, avoids the dust to get into inside the disk seat.

Drawings

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

FIG. 2 is a cross-sectional view of a valve seat in accordance with the present utility model;

FIG. 3 is a schematic diagram of the structure of the valve clack of the present utility model;

fig. 4 is a schematic structural view of a seal ring in the present utility model.

In the figure: 1. a valve seat; 2. a connecting flange; 3. a support plate; 4. a fixing plate; 5. an extension sleeve; 6. a movable rod; 7. a threaded rod; 8. a hand wheel; 9. a sealing plate; 10. a connecting rod; 11. a valve flap; 12. a seal ring; 13. a first connection port; 14. a second connection port; 15. a first filter screen; 16. a second filter screen; 17. a buffer gasket; 18. a regulating channel; 19. a first channel; 20. a second channel; 21. a dust ring.

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.

Referring to fig. 1-4, the present utility model provides a technical solution: the novel stop valve comprises a valve seat 1, a connecting flange 2 is arranged on the upper side of the valve seat 1 through bolts, a supporting plate 3 is fixedly arranged on the upper side of the connecting flange 2, a fixed plate 4 is fixedly arranged on the upper side of the supporting plate 3, an extension sleeve 5 is arranged on the inner side of the supporting plate 3, a movable rod 6 is arranged on the inner side of the extension sleeve 5, a threaded rod 7 is fixedly connected on the upper side of the movable rod 6, a hand wheel 8 is arranged on the upper side of the fixed plate 4, threads corresponding to the threaded rod 7 are formed on the inner side of the hand wheel 8, a sealing plate 9 is fixedly arranged on the lower side of the movable rod 6, a sealing ring 12 is arranged on the outer side of the sealing plate 9, sealing tightness can be increased by the sealing ring 12, a connecting rod 10 is fixedly arranged on the lower side of the sealing plate 9, a valve clack 11 is fixedly arranged on the lower side of the connecting rod 10, a first connecting port 13 is arranged on the left side of the valve seat 1, a second connecting port 14 is arranged on the right side of the valve seat 1, a first channel 19 is arranged on the inner side of the first connecting port 13, a first filter screen 15 is arranged on the inner side of the second channel 20, a second filter screen 20 is arranged on the inner side of the second channel 20, and impurities in the first 15 and the second filter screen 16 can be filtered by the first 15 and second filter screens 16 are arranged on the inner sides of the first and second filter screens 16, and the filter screens 15 can filter the filter media;

the valve seat 1 inboard is provided with adjustment channel 18, valve clack 11 and closing plate 9 are along laminating in adjustment channel 18 inboard, valve seat 1 inboard fixed mounting has buffer gasket 17, buffer gasket 17 can cushion the effort that comes from valve clack 11 department, avoid valve seat 1 inside damage, buffer gasket 17 is the same with the external diameter of valve clack 11, valve seat 1 bottom is provided with the cavity, second passageway 20 sets up on the cavity right side, first filter screen 15 and second filter screen 16 outside fixed mounting have the snap ring, the snap ring detachable installs inside first connector 13 and second connector 14, valve seat 1 top fixed mounting has dust ring 21, movable rod 6 sets up in the dust ring 21 outside.

During operation, the stop valve is placed in the place where the stop valve is required, then the first connecting port 13 and the second connecting port 14 are connected with an external pipeline, during use, the hand wheel 8 is rotated again, the threaded rod 7 can move up and down on the inner side of the hand wheel 8, the valve clack 11 is separated from the buffer gasket 17 after the upward movement, the inner cavity of the valve seat 1 is communicated with the first channel 19 and the second channel 20, medium can circulate normally, the threaded rod 7 can be driven to move up and down on the inner side of the valve seat 1 by arranging the hand wheel 8, the threaded rod 7, the movable rod 6, the sealing plate 9, the sealing ring 12 and the valve clack 11, the threaded rod 7 moves to drive the movable rod 6, the sealing plate 9 and the valve clack 11 to move up and down, the sealing plate 9 and the valve clack 11 always keep moving in the adjusting channel 18, the inner wall of the adjusting channel 18 is tightly attached together, the valve clack 11 can adjust the flow rate after the upward movement, the adjustment is very convenient, impurities in the filter medium can be filtered through arranging the first channel 19, the first channel 15, the second channel 20 and the second channel 16, the impurities in the filter medium can be prevented from remaining on the bottom of the valve seat 1, and meanwhile, the buffer gasket 21 and the dust can be prevented from being damaged by arranging the buffer gasket 21, the filter clack 11, the dust can be prevented from entering the inner surface of the valve seat 1, and the dust can be prevented from being damaged, and the surface of the dust seat 1.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims

1. The utility model provides a novel stop valve, includes disk seat (1), its characterized in that: the utility model discloses a valve seat, including valve seat (1), connecting flange (2) upside through the bolt mounting, connecting flange (2) upside fixed mounting has backup pad (3), backup pad (3) upside fixed mounting has fixed plate (4), backup pad (3) inboard is provided with extension sleeve (5), extension sleeve (5) inboard is provided with movable rod (6), movable rod (6) upside fixedly connected with threaded rod (7), fixed plate (4) upside is provided with hand wheel (8), hand wheel (8) inboard seted up with threaded rod (7) corresponding screw thread, movable rod (6) downside fixed mounting has closing plate (9), closing plate (9) outside is provided with sealing washer (12), closing plate (9) downside fixed mounting has connecting rod (10), connecting rod (10) downside fixed mounting has valve clack (11), valve seat (1) left side is provided with first connector (13), movable rod (1) right side is provided with second connector (14), first connector (13) inboard is provided with first passageway (19), first passageway (19) are provided with first passageway (20), a second filter screen (16) is arranged on the inner side of the second channel (20).

2. A novel shut-off valve according to claim 1, wherein: an adjusting channel (18) is arranged on the inner side of the valve seat (1), and the outer edges of the valve clack (11) and the sealing plate (9) are attached to the inner side of the adjusting channel (18).

3. A novel shut-off valve according to claim 1, wherein: and a buffer gasket (17) is fixedly arranged on the inner side of the valve seat (1), and the buffer gasket (17) and the valve clack (11) have the same outer diameter.

4. A novel shut-off valve according to claim 1, wherein: the bottom of the valve seat (1) is provided with a cavity, and the second channel (20) is arranged on the right side of the cavity.

5. A novel shut-off valve according to claim 1, wherein: the clamping ring is fixedly arranged on the outer sides of the first filter screen (15) and the second filter screen (16), and is detachably arranged inside the first connecting port (13) and the second connecting port (14).

6. A novel shut-off valve according to claim 1, wherein: the top of the valve seat (1) is fixedly provided with a dust ring (21), and the movable rod (6) is arranged outside the dust ring (21).