CN212986087U

CN212986087U - Soft sealing non-rising stem groove gate valve

Info

Publication number: CN212986087U
Application number: CN202021797791.2U
Authority: CN
Inventors: 徐治国
Original assignee: Tianjin Tangvalve Manufacturing Co ltd
Current assignee: Tianjin Tangvalve Manufacturing Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-04-16
Anticipated expiration: 2030-08-25

Abstract

The utility model belongs to the technical field of hidden rod gate valves, and discloses a soft sealing hidden rod groove gate valve, which comprises a valve body, wherein the top of the valve body is provided with a lower valve seat, the middle of the interior of the valve body is movably connected with a flashboard through a bearing, the top of the lower valve seat is fixedly connected with an upper valve seat through a bolt, a valve rod penetrates through the interior of the upper valve seat, the top end of the valve rod is provided with a hand wheel, one end of the valve rod extending to the interior of the valve body is connected with the flashboard, the middle of the bottom of the upper valve seat is provided with a clamping plate, the utility model can tightly combine the upper valve seat and the lower valve seat together through the quota of the clamping plate, a limiting block, a clamping groove and a limiting groove, and simultaneously, the clearance between the upper valve seat and the lower valve seat can be further reduced through the matching of a rubber ring and a, the safety of the device is greatly improved.

Description

Soft sealing non-rising stem groove gate valve

Technical Field

The utility model belongs to the technical field of the hidden pole gate valve, concretely relates to soft seal hidden pole slot gate valve.

Background

The opening and closing part of the non-rising stem gate valve is a gate plate, the movement direction of the gate plate is vertical to the fluid direction, the gate plate can be adjusted and throttled, the gate plate is provided with two sealing surfaces, the two sealing surfaces of the most common mode gate valve form a wedge shape and a wedge angle which are different along with the valve parameters, the gate plate of the gate valve can be made into a whole, namely a rigid gate plate, and also can be made into a gate plate which can generate micro-deformation, so that the manufacturability is improved, the deviation of the angle of the sealing surfaces in the processing process is compensated, and the gate plate is called an elastic gate plate.

In chinese patent with patent number CN201620741022.8, it is disclosed that a valve clack is the dark pole slot type elastic sealing gate valve of spherical structure, the device is through being provided with elastic rubber in water inlet inside, in order to reduce the washing away of fluid to the valve body is inside, thereby play the inside effect of protection valve body, but actual protection effect is relatively poor, elastic rubber is difficult to effectual the impact that slows down when fluid speed is too fast, thereby accelerated the wearing and tearing of internals are ageing, the life of device has been shortened, in addition, traditional gate valve rod is difficult to fasten with the valve body, and the leakproofness between valve rod and the valve body is relatively poor, take place fluid leakage easily, thereby influence the security of device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soft sealing dark pole slot gate valve to be difficult to the fastening between valve rod and the valve body that proposes in solving above-mentioned background art, and the fluid strikes the ageing problem of valve body wearing and tearing that easily accelerates.

In order to achieve the above object, the utility model provides a following technical scheme: soft sealed dark pole slot gate valve, comprising a valve body, the disk seat is installed down at the top of valve body, and has the flashboard through bearing swing joint in the middle of the inside of valve body, bolt fixedly connected with goes up the disk seat is passed through at the top of disk seat down, the inside of going up the disk seat runs through there is the valve rod, the hand wheel is installed on the top of valve rod, and the valve rod extends to the inside one end of valve body and is connected with the flashboard, install the cardboard in the middle of the bottom of going up the disk seat, set up in the middle of the top of disk seat down with cardboard assorted draw-in groove, and the spacing groove has all been seted up to the top both sides of disk seat down, the bottom both ends of going up the disk seat all be fixed with spacing groove assorted stopper, the.

Preferably, the filter plate is all installed to one side that the inside both ends of valve body are close to the flashboard, and the inner wall both sides of valve body all set up flutedly near one side of filter plate, the internally mounted of recess has the dead lever, the both ends of dead lever all overlap and are equipped with the spring, and the outer wall of dead lever is located and installs fixed cover between two springs, fixed cover extends to the outside one end of recess and is connected with the filter plate.

Preferably, the valve body and the limiting block are both of T-shaped structures, and the limiting groove is of an arc-shaped structure.

Preferably, one end of the spring is connected with the fixed sleeve, and the other end of the spring is connected with the inner wall of the groove.

Preferably, the outer wall of the hand wheel is provided with a protective sleeve, and the outer wall of the protective sleeve is provided with a bulge.

Preferably, an elastic pad is arranged on one side, close to the flashboard, of the inner wall of the valve body, and an anti-slip groove is formed in the outer wall of the elastic pad.

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

(1) the utility model discloses a quota of cardboard, stopper, draw-in groove and spacing groove can be in the same place the inseparable combination of last disk seat and lower disk seat, simultaneously through the cooperation of rubber circle and rubber pad, can further reduce the clearance between disk seat and the lower disk seat, and then make valve rod and valve body fastening, and the leakproofness between valve rod and the valve body is strong, and the fluid is difficult to leak, has improved the security of device greatly.

(2) The utility model discloses a cooperation of filter plate, fixed cover, dead lever and spring isotructure when the fluid rushes into the valve body, can cushion the speed reduction to the fluid, and then has reduced the fluid and to the impact force degree of valve body, has delayed the wearing and tearing of valve body ageing, has improved the life of device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

in the figure: 1. a hand wheel; 2. clamping a plate; 3. filtering the plate; 4. a shutter plate; 5. fixing a sleeve; 6. a groove; 7. a valve body; 8. a lower valve seat; 9. an upper valve seat; 10. a valve stem; 11. a rubber ring; 12. a rubber pad; 13. a limiting block; 14. a limiting groove; 15. a card slot; 16. a spring; 17. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a soft sealing hidden rod groove gate valve comprises a valve body 7, wherein a lower valve seat 8 is installed at the top of the valve body 7, a flashboard 4 is movably connected in the middle of the interior of the valve body 7 through a bearing, an upper valve seat 9 is fixedly connected at the top of the lower valve seat 8 through a bolt, a valve rod 10 penetrates through the interior of the upper valve seat 9, a hand wheel 1 is installed at the top end of the valve rod 10, one end, extending to the interior of the valve body 7, of the valve rod 10 is connected with the flashboard 4, a clamping board 2 is installed in the middle of the bottom of the upper valve seat 9, a clamping groove 15 matched with the clamping board 2 is formed in the middle of the top of the lower valve seat 8, limiting grooves 14 are formed in two sides of the top of the lower valve seat 8, limiting blocks 13 matched with the limiting grooves 14 are fixed at two ends of the bottom of the upper valve seat 9, a rubber ring 11 is connected to the inner wall of the clamping, make cardboard 2 and draw-in groove 15 interlock each other, then make stopper 13 slide in spacing groove 14 when rotating upper valve seat 9, later will go up valve seat 9 through the bolt and fix with lower disk seat 8, thereby can be in the same place upper valve seat 9 and lower disk seat 8 close coupling, simultaneously under the elastic action of rubber circle 11 and rubber pad 12, the clearance between disk seat 9 and lower disk seat 8 is gone up in the further reduction, and then make valve rod 10 and valve body 7 fastening, and the leakproofness between valve rod 10 and the valve body 7 is strong, the fluid is difficult to leak, the security of device has been improved greatly.

Further, filter plate 3 is all installed to one side that the inside both ends of valve body 7 are close to flashboard 4, and recess 6 has all been seted up to one side that the inner wall both sides of valve body 7 are close to filter plate 3, the internally mounted of recess 6 has dead lever 17, the both ends of dead lever 17 all overlap and are equipped with spring 16, and fixed cover 5 is installed to the outer wall of dead lever 17 between being located two spring 16, fixed cover 5 extends to the outside one end of recess 6 and is connected with filter plate 3, when the fluid rushes into in valve body 7 and when filter plate 3, filter plate 3 can drive fixed cover 5 and move on dead lever 17, then two springs 16 on the dead lever 17 all take place deformation and rebound, thereby can cushion the speed reduction to the fluid, and then reduced the impact force of fluid to valve body 7, the wearing and tearing of valve body 7 are ageing.

Further, the valve body 7 and the limiting block 13 are both of a T-shaped structure, and the limiting groove 14 is of an arc-shaped structure.

Specifically, one end of the spring 16 is connected to the fixing sleeve 5, the spring 16 has a cushioning effect, and the other end of the spring 16 is connected to the inner wall of the groove 6.

Specifically, the protective sheath is installed to the outer wall of hand wheel 1, and the protective sheath plays skid-proof effect, and the outer wall of protective sheath is provided with the arch.

Specifically, one side of the inner wall of the valve body 7, which is close to the gate plate 4, is provided with an elastic pad, the sealing performance of the gate plate 4 can be improved through the elastic pad, and the outer wall of the elastic pad is provided with an anti-slip groove.

The utility model discloses a theory of operation and use flow: when the utility model is used, the clamping plate 2 can be clamped into the clamping groove 15, the limiting block 13 is clamped into the limiting groove 14, then the clamping plate 2 and the clamping groove 15 are mutually clamped, the limiting block 13 slides in the limiting groove 14 when the upper valve seat 9 is rotated, then the upper valve seat 9 and the lower valve seat 8 are fixed through bolts, thereby the upper valve seat 9 and the lower valve seat 8 can be tightly combined together, simultaneously, under the elastic action of the rubber ring 11 and the rubber pad 12, the gap between the upper valve seat 9 and the lower valve seat 8 can be further reduced, further, the valve rod 10 and the valve body 7 are fastened, the sealing property between the valve rod 10 and the valve body 7 is strong, the fluid is difficult to leak, the safety of the device is greatly improved, when the fluid rushes into the valve body 7 and passes through the filter plate 3, the filter plate 3 can drive the fixed sleeve 5 to move on the fixed rod 17, then two springs 16 on the fixed rod 17 are deformed, therefore, the fluid can be buffered and decelerated, the impact force of the fluid on the valve body 7 is reduced, the abrasion and aging of the valve body 7 are delayed, and the service life of the device is prolonged.

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

Claims

1. Soft seal non-rising stem slot gate valve, its characterized in that: comprises a valve body (7), a lower valve seat (8) is installed at the top of the valve body (7), a flashboard (4) is movably connected in the middle of the interior of the valve body (7) through a bearing, an upper valve seat (9) is fixedly connected at the top of the lower valve seat (8) through a bolt, a valve rod (10) penetrates through the interior of the upper valve seat (9), a hand wheel (1) is installed at the top end of the valve rod (10), one end of the valve rod (10) extending to the interior of the valve body (7) is connected with the flashboard (4), a clamping board (2) is installed in the middle of the bottom of the upper valve seat (9), a clamping groove (15) matched with the clamping board (2) is formed in the middle of the top of the lower valve seat (8), limiting grooves (14) are formed in both sides of the top of the lower valve seat (8), and limiting blocks (13) matched with the, the inner wall of the clamping groove (15) is connected with a rubber ring (11), and a rubber pad (12) is installed at the joint of the lower valve seat (8) and the upper valve seat (9).

2. The soft seal dark bar trench gate valve of claim 1, wherein: the utility model discloses a filter plate, including valve body (7), inner wall both ends of valve body (7) are close to one side of flashboard (4) and all install filter plate (3), and one side that the inner wall both sides of valve body (7) are close to filter plate (3) is all seted up fluted (6), the internally mounted of recess (6) has dead lever (17), the both ends of dead lever (17) all overlap and are equipped with spring (16), and the outer wall of dead lever (17) is located and installs fixed cover (5) between two spring (16), fixed cover (5) extend to recess (6) outside one end and are connected with filter plate (3).

3. The soft seal dark bar trench gate valve of claim 1, wherein: the valve body (7) and the limiting block (13) are both of T-shaped structures, and the limiting groove (14) is of an arc-shaped structure.

4. The soft seal dark bar trench gate valve of claim 2, wherein: one end of the spring (16) is connected with the fixed sleeve (5), and the other end of the spring (16) is connected with the inner wall of the groove (6).

5. The soft seal dark bar trench gate valve of claim 1, wherein: the outer wall of the hand wheel (1) is provided with a protective sleeve, and the outer wall of the protective sleeve is provided with a bulge.

6. The soft seal dark bar trench gate valve of claim 1, wherein: an elastic pad is arranged on one side, close to the flashboard (4), of the inner wall of the valve body (7), and an anti-slip groove is formed in the outer wall of the elastic pad.