CN213776382U

CN213776382U - Sealed leak-proof explosion-proof angle valve

Info

Publication number: CN213776382U
Application number: CN202022823853.9U
Authority: CN
Inventors: 陈恩良; 金锡君
Original assignee: Taizhou Rida Valve Co ltd
Current assignee: Taizhou Rida Valve Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-23
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses an angle valve, aiming at providing a sealed and leak-proof explosion-proof angle valve, the key point of the technical proposal is a sealed and leak-proof explosion-proof angle valve, which comprises a valve body, a valve rod and a valve cap, a water inlet and a water outlet are arranged in the valve body, a through hole is arranged between the water inlet and the water outlet and is communicated with a rubber plug which is arranged in the through hole, the rubber plug is fixedly connected with the bottom end of the valve rod, the valve rod extends upwards out of the valve body and is fixedly connected with the valve cap, a chute is arranged between the valve rod and the valve body, a sealing element is arranged in the chute and comprises an L-shaped top pipe, a round top pipe, a filling layer and a plurality of first springs, the round top pipe, the filling layer and a second spring are all positioned in the chute, the bottom end of the L-shaped top pipe can slide into the chute, a limiting frame is fixedly arranged on the valve body and positioned at the valve rod, the L-shaped top pipe is positioned in the limiting frame, the first snap ring is arranged between the L-shaped top pipe and the valve rod, a second snap ring is arranged between the round top pipe and the valve rod, the fixed explosion-proof mechanism that is equipped with of water inlet, the utility model is suitable for an angle valve technical field.

Description

Sealed leak-proof explosion-proof angle valve

Technical Field

The utility model belongs to the technical field of the angle valve, refer in particular to a sealed leak-proof explosion-proof angle valve.

Background

The angle valve is an angle type stop valve, similar to a ball type valve, and its structure and characteristics are modified from a ball type valve, and is different from the ball type valve in that the outlet of the angle valve is at a right angle of 90 degrees to the inlet.

One of the most frequent accidents in the use of the angle valve is the problem of bursting of the valve body, and the traditional angle valve has no water interception effect after bursting of the valve body, so that water leakage is caused, in addition, the water leakage is prevented without timely finding, a large amount of water resource waste is caused, and a great potential safety hazard exists in the water leakage process, so that some adjacent equipment can be leaked water to cause damage.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a sealed effectual and prevent the explosion-proof angle valve of leak protection water after the valve body bursts.

In order to achieve the above purpose, the utility model provides a following technical scheme: a sealed and leak-proof explosion-proof angle valve comprises a valve body, a valve rod and a valve cap, wherein a water inlet and a water outlet are arranged in the valve body, a through hole is arranged between the water inlet and the water outlet for communication, a rubber plug is arranged in the through hole and is fixedly connected with the bottom end of the valve rod, the valve rod extends upwards out of the valve body and is fixedly connected with the valve cap, a sliding groove is arranged between the valve rod and the valve body, a sealing element is arranged in the sliding groove and comprises an L-shaped top pipe, a circular top pipe, a filling layer and a plurality of first springs, two ends of the first springs are respectively fixedly connected with the bottom surface of the L-shaped top pipe and the top surface of the filling layer, the bottom end of the filling layer is fixedly connected with the circular top pipe, the filling layer and the second springs are all positioned in the sliding groove, the bottom end of the L-shaped top pipe can slide into the sliding groove, a limiting frame is fixedly arranged at the valve body and positioned at the valve rod, the L-shaped jacking pipe is located in the limiting frame, a first clamping ring is arranged between the L-shaped jacking pipe and the valve rod, a second clamping ring is arranged between the circular jacking pipe and the valve rod, and the water inlet is fixedly provided with an explosion-proof mechanism.

The utility model discloses further set up to: explosion-proof mechanism is including fixed cover, bracing piece, sealed piece and kicking block, the inner wall threaded connection of fixed cover and water inlet, just be located the through-hole on the valve body and keep away from axle center one side circumference and distribute embedded being equipped with a plurality of ejector pins, it is a plurality of the ejector pin bottom all with kicking block fixed connection, the bracing piece is fixed to be established at kicking block bottom surface center, the bracing piece bottom is passed fixed cover inside and is extended valve body and sealed piece fixed connection, fixed cover bottom is equipped with the conical groove with sealed piece looks adaptation, just be located the fixed cover in the bracing piece outside and be equipped with the second spring between kicking block and the fixed cover.

The utility model discloses further set up to: and a plurality of rubber rings are arranged between the fixed sleeve and the valve body.

The utility model discloses further set up to: the cross section of the inner wall of the fixed sleeve is hexagonal.

The utility model discloses further set up to: a third spring is fixedly arranged between the limiting frame and the valve cap, and a friction increasing layer is arranged between the inner wall of the valve cap and the surface of the valve body.

By adopting the technical scheme, when the angle valve needs to be opened, the valve cap is pressed, so that the valve cap moves downwards, the first clamping ring drives the L-shaped jacking pipe to move downwards, the first spring is contracted at the moment, and meanwhile, the spring extrudes the filling layer, so that the sealing effect of the structure is improved; loosen the valve cap, the valve cap can slowly rise back under the effect of third spring and increase wearing layer, circular push pipe can extrude the filling layer this moment, it offsets with spacing to prop up when L shape push pipe, there is the effort to first spring in the L shape push pipe is reverse, through the mutual extrusion of first spring and circular push pipe, make the filling layer when the angle valve is closed and is accomplished, reach the extrusion of at utmost, improve the sealed effect under the angle valve closure state, when the angle valve takes place to burst simultaneously, explosion-proof mechanism can in time cut off the water inlet, cut off the rivers passageway, effectually prevent to leak.

It is specific, take place to burst when the angle valve, the kicking block loses the holding power, then the second spring promotes the kicking block upward movement for bracing piece pulling sealing block agrees with mutually with the toper recess on the fixed cover, thereby the effectual water inlet that cuts off prevents to take place because of the condition that bursts and lead to leaking, and wherein the rubber circle improves the leakproofness between the inner wall of fixed pipe and water inlet, and the hexagon is personally submitted to the crosscut of fixed cover inner wall simultaneously, and the convenience is with the help of the dismantlement of interior hexagonal spanner to fixed pipe.

Drawings

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

FIG. 2 is an enlarged view of the present invention at A in FIG. 1;

FIG. 3 is an enlarged view of the present invention at B in FIG. 1;

fig. 4 is a schematic structural view of the fixing sleeve of the present invention;

in the drawings: 1. a valve body; 2. a valve stem; 3. a bonnet; 4. a water inlet; 5. a water outlet; 6. a through hole; 7. a rubber plug; 8. a chute; 9. a seal member; 9a, an L-shaped jacking pipe; 9b, circular jacking pipes; 9c, a filling layer; 9d, a first spring; 10. a limiting frame; 11. a first snap ring; 12. a second snap ring; 13. fixing a sleeve; 14. a support bar; 15. a sealing block; 16. a top block; 17. a top rod; 18. a tapered recess; 19. a second spring; 20. a rubber ring; 21. a third spring; 22. and (4) an abrasion increasing layer.

Detailed Description

The invention is further described in the following with reference to fig. 1 to 4 in a specific embodiment:

the utility model provides a sealed leak-proof explosion-proof angle valve, includes valve body 1, valve rod 2 and valve cap 3, be equipped with water inlet 4 and delivery port 5 in the valve body 1, be equipped with through-hole 6 intercommunication between water inlet 4 and the delivery port 5, be equipped with rubber buffer 7 in the through-hole 6, the bottom fixed connection of rubber buffer 7 and valve rod 2, valve rod 2 upwards extend valve body 1 and with valve cap 3 fixed connection, be equipped with spout 8 between valve rod 2 and the valve body 1, be equipped with sealing member 9 in the spout 8, sealing member 9 includes L shape push pipe 9a, circular push pipe 9b, filling layer 9c and a plurality of first spring 9d, and is a plurality of first spring 9d both ends respectively with the bottom surface of L shape push pipe 9a and the top surface fixed connection of filling layer 9c, filling layer 9c bottom and circular push pipe 9b fixed connection, circular push pipe 9b, filling layer 9c, Second spring 19 all is located spout 8, L shape push pipe 9a bottom can slide in spout 8, on the valve body 1 and be located valve rod 2 department fixed spacing 10 that is equipped with, L shape push pipe 9a is located spacing 10, be equipped with first snap ring 11 between L shape push pipe 9a and the valve rod 2, be equipped with second snap ring 12 between circular push pipe 9b and the valve rod 2, water inlet 4 is fixed to be equipped with explosion-proof equipment.

According to the structure, when the angle valve needs to be opened, the valve cap 3 is pressed, so that the valve cap 3 moves downwards, the first clamping ring 11 drives the L-shaped jacking pipe 9a to move downwards, the first spring 9d is contracted at the moment, and the spring extrudes the filling layer 9c at the same time, so that the sealing effect of the structure is improved, when the circular jacking pipe 9b reaches the bottom of the sliding groove 8, the filling layer 9c is extruded to the maximum extent through the extrusion of the first spring 9d and the support of the circular jacking pipe 9b in the process that the angle valve is continuously opened to the maximum, so that the sealing effect of the angle valve is greatly improved; and when closing the angle valve, circular push pipe 9b can extrude filling layer 9c, it offsets with spacing frame 10 to push pipe 9a as L shape, there is the effort L shape push pipe 9a is reverse to first spring 9d, through the mutual extrusion of first spring 9d and circular push pipe 9b, make filling layer 9c when the angle valve is closed and is accomplished, reach the extrusion of at utmost, improve the sealed effect under the angle valve closure state, when the angle valve takes place to burst simultaneously, explosion-proof mechanism can in time cut off water inlet 4, cut off the rivers passageway, effectually prevent to leak, lead to the occurence of failure.

As an optional implementation manner, the explosion-proof mechanism includes a fixed sleeve 13, a support rod 14, a seal block 15 and a top block 16, the fixed sleeve 13 is in threaded connection with the inner wall of the water inlet 4, a plurality of ejector rods 17 are embedded in the circumference of the valve body 1 and located on one side of the through hole 6 away from the axis, the number of the ejector rods 17 is four, the bottom ends of the four ejector rods 17 are all fixedly connected with the top block 16, the support rod 14 is fixedly arranged at the center of the bottom surface of the top block 16, the bottom end of the support rod 14 penetrates through the inside of the fixed sleeve 13 and extends out of the valve body 1 to be fixedly connected with the seal block 15, a conical groove 18 matched with the seal block 15 is arranged at the bottom end of the fixed sleeve 13, and the fixed sleeve 13 is provided with a second spring 19 between the top block 16 and the fixed sleeve 13 and located outside the support rod 14; a plurality of rubber rings 20 are arranged between the fixed sleeve 13 and the valve body 1; the cross section of the inner wall of the fixed sleeve 13 is hexagonal.

It can be seen from above-mentioned structure that bursts when the angle valve takes place, kicking block 16 loses the holding power, then second spring 19 promotes kicking block 16 upward movement, make the sealed piece of bracing piece 14 pulling 15 agree with mutually with the toper recess 18 on the fixed cover 13, thereby the effectual water inlet 4 that cuts off, prevent to take place because of the condition that bursts and lead to leaking, wherein rubber circle 20 improves the leakproofness between the inner wall of fixed pipe and water inlet 4, the cross-section of fixed cover 13 inner wall is the hexagon simultaneously, the convenience is with the help of the dismantlement of hexagon socket wrench to fixed pipe.

As an alternative embodiment, a third spring 21 is fixedly arranged between the limiting frame 10 and the bonnet 3, and a friction increasing layer is arranged between the inner wall of the bonnet 3 and the surface of the valve body 1.

The structure shows that the valve cap 3 can automatically and slowly rise under the action of the third spring 21 and the wear-increasing layer 22, so that the effect of automatic closing is achieved, and water resource waste caused by non-closing or non-closing is prevented.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a sealed leak protection explosion-proof angle valve, includes valve body (1), valve rod (2) and valve cap (3), characterized by: be equipped with water inlet (4) and delivery port (5) in valve body (1), be equipped with through-hole (6) intercommunication between water inlet (4) and delivery port (5), be equipped with rubber buffer (7) in through-hole (6), the bottom fixed connection of rubber buffer (7) and valve rod (2), valve rod (2) upwards extend valve body (1) and with valve cap (3) fixed connection, be equipped with spout (8) between valve rod (2) and valve body (1), be equipped with sealing member (9) in spout (8), sealing member (9) include L shape push pipe (9a), circular push pipe (9b), filling layer (9c) and a plurality of first spring (9d), a plurality of first spring (9d) both ends respectively with the bottom surface of L shape push pipe (9a) and the top surface fixed connection of filling layer (9c), filling layer (9c) bottom and circular push pipe (9b) fixed connection, circular push pipe (9b), filling layer (9c), first spring (9d) all are located spout (8), L shape push pipe (9a) bottom can slide into spout (8), it is fixed to be equipped with spacing (10) just to be located valve rod (2) on valve body (1), L shape push pipe (9a) are located spacing (10), be equipped with first snap ring (11) between L shape push pipe (9a) and valve rod (2), be equipped with second snap ring (12) between circular push pipe (9b) and valve rod (2), water inlet (4) are fixed and are equipped with explosion-proof mechanism.

2. A sealed, leak-proof explosion-proof angle valve as defined in claim 1, wherein: the explosion-proof mechanism comprises a fixed sleeve (13), a support rod (14), a sealing block (15) and a top block (16), the fixed sleeve (13) is in threaded connection with the inner wall of the water inlet (4), a plurality of ejector rods (17) are embedded in the valve body (1) and are circumferentially distributed on one side of the through hole (6) far away from the axis, the bottom ends of the ejector rods (17) are fixedly connected with the ejector block (16), the supporting rod (14) is fixedly arranged at the center of the bottom surface of the top block (16), the bottom end of the supporting rod (14) penetrates through the inside of the fixing sleeve (13) and extends out of the valve body (1) to be fixedly connected with the sealing block (15), the bottom end of the fixed sleeve (13) is provided with a conical groove (18) matched with the sealing block (15), and a second spring (19) is arranged between the top block (16) and the fixed sleeve (13) and positioned on the fixed sleeve (13) outside the support rod (14).

3. A sealed, leak-proof explosion-proof angle valve as defined in claim 2, wherein: a plurality of rubber rings (20) are arranged between the fixed sleeve (13) and the valve body (1).

4. A sealed, leak-proof explosion-proof angle valve as set forth in claim 3, wherein: the cross section of the inner wall of the fixed sleeve (13) is hexagonal.

5. A sealed, leak-proof explosion-proof angle valve as defined in claim 1, wherein: the valve is characterized in that a third spring (21) is fixedly arranged between the limiting frame (10) and the valve cap (3), and a friction increasing layer (22) is arranged between the inner wall of the valve cap (3) and the surface of the valve body (1).