CN217177422U

CN217177422U - Stop valve of curved pipeline

Info

Publication number: CN217177422U
Application number: CN202220410093.5U
Authority: CN
Inventors: 谈军; 陈建兴; 蔡灵杰
Original assignee: Wuxi Ganlu Valve Co ltd
Current assignee: Wuxi Ganlu Valve Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-12
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a stop valve of bent type pipeline, which comprises a valve body, the top of valve body is rotated and is pegged graft there is the valve rod, and the top inner wall of valve body slides and pegs graft and have the sleeve, and the bottom and the box thread of valve rod peg graft, the sealed piece of telescopic bottom fixedly connected with, the fixed cover of outer wall of sealed piece are equipped with the sealing ring, the inner wall of valve body is equipped with the mounting groove, and sliding connection has the slip ring in the mounting groove, slip ring and sealing ring contact, a plurality of springs of bottom fixedly connected with of slip ring, the other end of spring and the bottom inner wall fixed connection of mounting groove, the first sealing washer of top fixedly connected with of slip ring. The utility model discloses a valve rod rotates and makes the sleeve move down, and then drives sealed piece and sealing ring and move down together and the slip ring contact, makes slip ring and sealing ring in close contact with under the elastic action of spring again, and the leakproofness when promoting the stop valve and closing avoids leaking of stop valve.

Description

Stop valve of bent pipeline

Technical Field

The utility model relates to a stop valve technical field especially relates to a stop valve of bent type pipeline.

Background

The stop valve is one of the most widely used valves, and is popular because the friction force between sealing surfaces is small in the opening and closing process, the stop valve is durable, the opening height is small, the manufacture is easy, and the maintenance is convenient.

The existing stop valve for the curved pipeline mostly has the following defects: when the stop valve is closed, the sealing effect is not good, the normal use of the stop valve is influenced, and the requirements of people cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a stop valve of a curved pipeline.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a stop valve of bent type pipeline, includes the valve body, the top of valve body is rotated and is pegged graft there is the valve rod, and the top inner wall of valve body slides and pegs graft and have the sleeve, and the bottom and the box thread of valve rod peg graft, the sealed piece of telescopic bottom fixedly connected with, the fixed cover of outer wall of sealed piece are equipped with the sealing ring, the inner wall of valve body is equipped with the mounting groove, and sliding connection has the slip ring in the mounting groove, slip ring and sealing ring contact, a plurality of springs of bottom fixedly connected with of slip ring, the other end of spring and the bottom inner wall fixed connection of mounting groove.

As a further proposal, the top of the sliding ring is fixedly connected with a first sealing ring.

As the utility model discloses further scheme again, the bottom fixedly connected with second sealing washer of sealing ring, second sealing washer and the contact of first sealing washer.

As the utility model discloses scheme further again, the top fixedly connected with hand wheel of valve rod, the outer wall fixedly connected with slipmat of hand wheel.

As the utility model discloses scheme further still, the bottom of valve body is equipped with the base, and the equal integrated into one piece of both sides outer wall of base has first installation piece, and the equal integrated into one piece in bottom of valve body both sides outer wall has the second installation piece, and the screw thread is pegged graft between the second installation piece of valve body and the first installation piece of base and is had mounting bolt.

As the utility model discloses scheme further again, a plurality of support columns of inboard fixedly connected with of base, the top fixedly connected with filter screen of a plurality of support columns.

The utility model has the advantages that:

1. the utility model discloses a valve rod rotates and makes the sleeve move down, and then drives sealed piece and sealing ring and move down together and the slip ring contact, makes slip ring and sealing ring in close contact with under the elastic action of spring again, and the leakproofness when promoting the stop valve and closing avoids leaking of stop valve.

2. The utility model discloses a further increase the leakproofness between sealing ring and the slip ring of the joining of first sealing washer and second sealing washer to leakproofness when further promoting the stop valve and closing.

3. The utility model discloses a twist off mounting bolt from first installation piece and second installation piece to dismantle the base, so that to the clearance of impurity, the convenient filtration to the filter screen simultaneously.

Drawings

Fig. 1 is a schematic perspective view of a stop valve of a curved pipeline according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a stop valve of a curved pipeline according to the present invention;

fig. 3 is the utility model provides an enlarged schematic structure diagram of a department of a stop valve of bent type pipeline.

In the figure: 1. a valve body; 2. a valve stem; 3. a sleeve; 4. a sealing block; 5. a seal ring; 6. mounting grooves; 7. a spring; 8. a slip ring; 9. a first seal ring; 10. a second seal ring; 11. a hand wheel; 12. a base; 13. a first mounting block; 14. a second mounting block; 15. installing a bolt; 16. a support pillar; 17. and (4) a filter screen.

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. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, a stop valve for a curved pipeline, comprising a valve body 1, a valve rod 2 is rotatably inserted into the top of the valve body 1, a sleeve 3 is slidably inserted into the inner wall of the top of the valve body 1, the bottom end of the valve rod 2 is threadedly inserted into the sleeve 3, a sealing block 4 is fixed to the bottom of the sleeve 3 through a bolt, a sealing ring 5 is fixedly sleeved on the outer wall of the sealing block 4, a mounting groove 6 is formed in the inner wall of the valve body 1, a sliding ring 8 is slidably connected into the mounting groove 6, the sliding ring 8 contacts with the sealing ring 5, the valve rod 2 rotates to enable the sleeve 3 to move downwards, the sealing block 4 and the sealing ring 5 are driven to move downwards together to contact with the sliding ring 8, a plurality of springs 7 are fixed to the bottom of the sliding ring 8 through bolts, the other ends of the springs 7 are fixedly connected with the inner wall of the bottom of the mounting groove 6, and the sliding ring 8 is in close contact with the sealing ring 5 under the elastic action of the springs 7, and the sealing performance of the shut-off valve when the shut-off valve is closed is improved.

In the utility model, the top of the sliding ring 8 is bonded with a first sealing ring 9, the bottom of the sealing ring 5 is bonded with a second sealing ring 10, the second sealing ring 10 is contacted with the first sealing ring 9, the addition of the first sealing ring 9 and the second sealing ring 10 further increases the sealing performance between the sealing ring 5 and the sliding ring 8, thereby further improving the sealing performance when the stop valve is closed, the top end of the valve rod 2 is fixed with a hand wheel 11 through a bolt, the outer wall of the hand wheel 11 is bonded with an anti-slip pad, thereby facilitating the rotation of the valve rod 2, the bottom of the valve body 1 is provided with a base 12, the outer walls at two sides of the base 12 are integrally formed with a first mounting block 13, the bottom of the outer walls at two sides of the valve body 1 are integrally formed with a second mounting block 14, a mounting bolt 15 is inserted and connected with a thread between the second mounting block 14 of the valve body 1 and the first mounting block 13 of the base 12, the mounting bolt 15 is screwed down from the first mounting block 13 and the second mounting block 14, thereby dismantle base 12 to the clearance to impurity, the inboard of base 12 is fixed with a plurality of support columns 16 through the bolt, and the top of a plurality of support columns 16 is fixed with filter screen 17 through the bolt, filters the impurity in the liquid through filter screen 17.

The working principle is as follows: when needs are closed the stop valve, the hand wheel 11 that unscrews drives valve rod 2 and rotates, thereby make sleeve 3 remove downwards, and then drive sealed piece 4 and sealing ring 5 and move downwards together and contact with slip ring 8, make slip ring 8 and sealing ring 5 in close contact with under the elastic action of spring 7 again, the further leakproofness between sealing ring 5 and slip ring 8 that has increased of the joining of first sealing washer 9 and second sealing washer 10, then, filter the impurity in the liquid through filter screen 17, avoid impurity to block up the passageway in the stop valve, again through unscrewing mounting bolt 15 from first installation piece 13 and second installation piece 14, thereby dismantle base 12, so that the clearance to impurity, the convenient filtration to filter screen 17 simultaneously.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a stop valve of bent type pipeline, includes valve body (1), its characterized in that, the top of valve body (1) is rotated and is pegged graft and have valve rod (2), and the top inner wall of valve body (1) slides and pegs graft and have sleeve (3), and the bottom and sleeve (3) screw thread of valve rod (2) are pegged graft, the sealed piece of bottom fixedly connected with (4) of sleeve (3), the outer wall fixed cover of sealed piece (4) are equipped with sealing ring (5), the inner wall of valve body (1) is equipped with mounting groove (6), and sliding connection has slip ring (8) in mounting groove (6), and slip ring (8) and sealing ring (5) contact, a plurality of springs of bottom fixedly connected with (7) of slip ring (8), the other end of spring (7) and the bottom inner wall fixed connection of mounting groove (6).

2. A stop valve for a curved conduit according to claim 1, wherein a first sealing ring (9) is fixedly connected to the top of the sliding ring (8).

3. The stop valve for the curved pipeline according to claim 2, wherein a second sealing ring (10) is fixedly connected to the bottom of the sealing ring (5), and the second sealing ring (10) is in contact with the first sealing ring (9).

4. The stop valve of curved pipeline according to claim 1, characterized in that the top end of the valve rod (2) is fixedly connected with a hand wheel (11), and the outer wall of the hand wheel (11) is fixedly connected with a non-slip mat.

5. The stop valve for the curved pipeline according to claim 1, wherein a base (12) is arranged at the bottom of the valve body (1), first mounting blocks (13) are integrally formed on the outer walls of the two sides of the base (12), second mounting blocks (14) are integrally formed at the bottom of the outer walls of the two sides of the valve body (1), and mounting bolts (15) are inserted between the second mounting blocks (14) of the valve body (1) and the first mounting blocks (13) of the base (12) in a threaded manner.

6. The stop valve for the curved pipeline according to claim 5, wherein a plurality of support columns (16) are fixedly connected to the inner side of the base (12), and a filter screen (17) is fixedly connected to the top ends of the support columns (16).