CN218031617U

CN218031617U - Built-in horizontal installation low-pressure safety valve

Info

Publication number: CN218031617U
Application number: CN202222019727.7U
Authority: CN
Inventors: 张琪; 张炳星
Original assignee: Jiujiang Dechang Hardware Electromechanical Co ltd
Current assignee: Jiujiang Dechang Hardware Electromechanical Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-12-13
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a built-in horizontal installation low pressure relief valve, concretely relates to low pressure relief valve technical field, including the valve casing, valve casing one end is equipped with the disk seat, disk seat one side is extended to the inside grafting with the valve casing of valve casing, the valve casing other end is equipped with the valve cap, inside valve clack and the valve gap of being equipped with of valve casing, the valve clack is established in valve gap one side. The utility model discloses an earlier insert compression spring between two spring holders, then install valve clack and valve gap respectively with two spring holders inside, insert the valve clack from the right-hand member of valve casing again, make the valve gap insert inside annular slot, install clamping ring and sealing washer on the disk seat, then install the left side at the valve casing with the disk seat, install the right side at the valve casing with the valve cap, utilize the valve cap to play spacing fixed action to the valve gap, at last will mend core and nut cover again and establish on the valve casing, establish the installation ways between mending core and nut, use the nut to mend the core and carry out spacing fixed and can use, moreover, the steam generator is simple in structure, it is very convenient to assemble.

Description

Built-in horizontal installation low-pressure safety valve

Technical Field

The utility model relates to a low pressure relief valve technical field, the more specifically built-in horizontal installation low pressure relief valve that says so.

Background

The safety valve is an automatic valve which plays an important role in protecting a pressure-bearing container and a pipeline system, can track the ascending and descending change of medium pressure in the system to automatically open and close, and in the normal operation process of the pressure-bearing container and the pipeline system, an opening and closing part of the safety valve is in a normally closed state.

When the internal pressure of the existing built-in safety valve is larger than the pretightening force of the compression spring in the using process, the valve core overcomes the pretightening force of the compression spring and automatically opens to release redundant media, and when the pressure of the media is reduced to be smaller than the pretightening force of the compression spring, the valve core automatically closes under the action of the force of the compression spring.

Compression spring type low pressure relief valve is after long-time the use, and inside compression spring takes place ageing easily, can lead to the relief valve inefficacy, needs regular dismantlement to the compression spring inspection change, nevertheless because whole relief valve compact structure leads to comparatively complicated when the assembly, the dismouting of being not convenient for is overhauld.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects of the prior art, the embodiments of the present invention provide a built-in horizontal installation low-pressure safety valve to solve the problems occurring in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a built-in horizontal installation low pressure relief valve, includes the valve casing, valve casing one end is equipped with the disk seat, disk seat one side extends to the inside and valve casing grafting of valve casing, the valve casing other end is equipped with the valve cap, inside valve clack and the valve gap of being equipped with of valve casing, the valve clack is established in valve gap one side, valve clack and valve gap are close to one side each other and all are equipped with the spring holder, are equipped with compression spring between two spring holders, use compression spring to play cushioning effect, a plurality of circular ports have been seted up on valve casing lateral wall surface, the disk seat is close to valve clack one side and is equipped with the clamping ring, and the clamping ring can play the sealing action between disk seat and valve clack, form the seal groove between clamping ring and the disk seat, the inside sealing washer that is equipped with of seal groove, use the leakproofness between disk seat and the valve clack further to improve, the disk seat outer wall cover is equipped with the benefit core, benefit core outer wall cover is equipped with the nut.

In a preferred embodiment, the outer side of the valve casing is sleeved with a mounting sleeve, the mounting sleeve is clamped between a nut and a complementary core, and the mounting sleeve is fixed by using the nut and the complementary core, so that the mounting sleeve is convenient to mount and dismount.

In a preferred embodiment, the valve casing has an annular slot formed in an inner wall of the side close to the valve cap, the valve cap and the valve cap are plugged into the annular slot, the annular slot is used for limiting the position of the valve cap and the valve cap, and the stability of the valve cap and the valve cap during installation is improved.

In a preferred embodiment, a plurality of bolts are connected to the inside of the valve cap and the outer side wall of the compensation core in a threaded manner, and the valve cap and the compensation core are fixedly connected with the valve housing and the valve seat through the bolts respectively, so that the connection firmness between the valve cap and the valve housing and between the compensation core and the valve seat is improved.

In a preferred embodiment, the two spring seats are fixedly connected with the inner wall of the valve clack and the inner wall of the valve cover through screws, so that the spring seats can be firmly installed with the valve clack and the valve cover for use.

In a preferred embodiment, a plurality of mounting holes are formed in the side, away from the valve shell, of the valve seat and the side, away from the valve clack, of the valve cover, so that the valve seat and the valve cover can be conveniently mounted and used.

The utility model discloses a technological effect and advantage:

1. the utility model discloses an earlier insert compression spring between two spring holders, then install valve clack and valve gap respectively with two spring holders inside, insert the valve clack from the right-hand member of valve casing again, make the valve gap insert inside annular slot, install clamping ring and sealing washer on the disk seat, then install the left side at the valve casing with the disk seat, install the right side at the valve casing with the valve cap, utilize the valve cap to play spacing fixed action to the valve gap, at last will mend core and nut cover again and establish on the valve casing, establish the installation ways between mending core and nut, use the nut to mend the core and carry out spacing fixed and can use, moreover, the steam generator is simple in structure, it is very convenient to assemble.

2. Through using the screw with two spring holders respectively with valve clack, valve gap together fixed, when needs are dismantled, only need unscrew the screw and can take the spring holder apart from valve clack, valve gap in, simple structure, it is very convenient to use, through installing the sealing washer between disk seat and valve clack, uses the sealing washer to play sealed effect, avoids appearing leaking gas.

Drawings

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

fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention;

fig. 3 is a cross-sectional view of the valve housing of the present invention;

fig. 4 is a schematic view of the valve cover of the present invention;

fig. 5 is a schematic view of the bonnet of the present invention.

The reference signs are: 1. a valve housing; 2. a valve seat; 3. a bonnet; 4. a valve flap; 5. a valve cover; 6. a spring seat; 7. a compression spring; 8. a circular hole; 9. a compression ring; 10. a sealing groove; 11. a seal ring; 12. core supplementing; 13. a nut; 14. installing a sleeve; 15. an annular slot; 16. a bolt; 17. a screw; 18. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to the attached

drawings

1, 2, 3, 4 and 5 of the specification, the utility model provides a built-in horizontal installation low-pressure safety valve, including valve casing 1, valve casing 1 one end is equipped with valve seat 2, valve seat 2 one side extends to the inside of valve casing 1 and pegs graft with valve casing 1, the other end of valve casing 1 is equipped with valve cap 3, the inside of valve casing 1 is equipped with valve flap 4 and valve gap 5, valve flap 4 is established in valve gap 5 one side, valve flap 4 and valve gap 5 are close to one side each other and all are equipped with spring holder 6, be equipped with compression spring 7 between two spring holders 6, use compression spring 7 to play the cushioning effect, a plurality of circular ports 8 have been seted up on the valve casing 1 lateral wall surface, valve seat 2 is close to valve flap 4 one side and is equipped with clamp ring 9, clamp ring 9 can play the sealing effect between valve seat 2 and valve flap 4, form seal groove 10 between clamp ring 9 and valve seat 2, the inside is equipped with sealing washer 11, use sealing washer 11 to further improve the leakproofness between valve seat 2 and the valve flap 4;

2 outer wall covers of disk seat are equipped with and mend core 12, mend 12 outer wall covers of core and be equipped with

nut

13, 1 outside covers of valve casing are equipped with installation cover 14, installation cover 14 card is between nut 13 and benefit core 12, uses nut 13 and benefit core 12 to fix installation cover 14, and the installation of being convenient for dismantlement installation cover 14, valve casing 1 is close to 3 one side inner walls of valve cap and has seted up annular slot 15, valve gap 5 and valve cap 3 all peg graft with annular slot 15, utilize annular slot 15 to be spacing to valve gap 5 and valve cap 3, improve the steadiness in the installation of valve gap 5 and valve cap 3.

When using the low pressure relief valve in the installation, the staff inserts compression spring 7 between two spring holders 6 earlier, utilize spring holder 6 to play limiting displacement to compression spring 7, after having installed compression spring 7, install valve clack 4 and valve gap 5 inside respectively with two spring holders 6 again, then insert valve clack 4 from the right-hand member of valve casing 1 earlier, make valve gap 5 insert inside annular slot 15, install clamping ring 9 and sealing washer 11 on disk seat 2 again, aim at the left side of valve casing 1 with disk seat 2 and insert, then install the right-hand member of valve casing 1 with valve cap 3 again, utilize valve cap 3 to play spacing fixed action to valve gap 5, at last again will mend core 12 and nut 13 cover and establish on valve casing 1, establish installation cover 14 cover between mended core 12 and nut 13, use nut 13 to carry out spacing fixed can use mended core 12, moreover, the steam generator is simple in structure, it is very convenient to assemble, the staff of being convenient for dismantles whole device, examine compression spring 7 inside.

Refer to specification attached figure 1, 2, 3, 4 and 5, the utility model provides a built-in horizontal installation low pressure relief valve, equal threaded connection has a plurality of bolts 16 on 3 inside of valve cap, the 12 lateral walls of benefit core, valve cap 3, benefit core 12 pass through bolt 16 respectively with valve casing 1, disk seat 2 fixed connection, improve between valve cap 3 and the valve casing 1, mend the fastness of being connected between core 12 and the disk seat 2, two spring holders 6 pass through screw 17 respectively with 4 inner walls of valve clack, 5 inner wall fixed connection of valve gap, be convenient for use the installation of spring holder 6 and valve clack 4, valve gap 5 firmly together, valve seat 2 keeps away from valve casing 1 one side, valve gap 5 keeps away from valve clack 4 one side and has all seted up a plurality of mounting holes 18, the installation of the valve seat 2 of being convenient for and valve gap 5 is used.

Through using screw 17 to fix two spring seats 6 respectively with valve clack 4, valve gap 5 together, when needs are dismantled, only need unscrew screw 17 can take spring seat 6 apart from valve clack 4, valve gap 5 in, simple structure, it is very convenient to use, through installing sealing washer 11 between disk seat 2 and valve clack 4, uses sealing washer 11 to play sealed effect, avoids appearing leaking gas.

And finally: the foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention, and any modifications, equivalent alterations, improvements and the like made within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims

1. A built-in horizontal installation low pressure relief valve, includes valve casing (1), its characterized in that: a valve seat (2) is arranged at one end of the valve casing (1), one side of the valve seat (2) extends into the valve casing (1) and is spliced with the valve casing (1), a valve cap (3) is arranged at the other end of the valve casing (1), a valve flap (4) and a valve cover (5) are arranged in the valve casing (1), the valve flap (4) is arranged at one side of the valve cover (5), spring seats (6) are arranged at one sides, close to each other, of the valve flap (4) and the valve cover (5), and a compression spring (7) is arranged between the two spring seats (6);

a plurality of circular ports (8) have been seted up on valve casing (1) lateral wall surface, valve seat (2) are close to valve clack (4) one side and are equipped with clamp ring (9), form seal groove (10) between clamp ring (9) and valve seat (2), seal groove (10) inside is equipped with sealing washer (11), valve seat (2) outer wall cover is equipped with benefit core (12), benefit core (12) outer wall cover is equipped with nut (13).

2. A built-in horizontally mounted low pressure safety valve according to claim 1 wherein: the installation sleeve (14) is sleeved on the outer side of the valve casing (1), and the installation sleeve (14) is clamped between the nut (13) and the bushing (12).

3. A built-in horizontally mounted low pressure safety valve according to claim 1, wherein: annular slot (15) have been seted up near valve cap (3) one side inner wall in valve casing (1), valve gap (5) and valve cap (3) all peg graft with annular slot (15).

4. A built-in horizontally mounted low pressure safety valve according to claim 1 wherein: valve cap (3) inside, mend equal threaded connection on core (12) lateral wall and have a plurality of bolts (16), valve cap (3), mend core (12) through bolt (16) respectively with valve casing (1), disk seat (2) fixed connection.

5. A built-in horizontally mounted low pressure safety valve according to claim 1, wherein: the two spring seats (6) are respectively and fixedly connected with the inner wall of the valve clack (4) and the inner wall of the valve cover (5) through screws (17).

6. A built-in horizontally mounted low pressure safety valve according to claim 1, wherein: valve casing (1) one side is kept away from in disk seat (2), valve gap (5) are kept away from valve clack (4) one side and all have been seted up a plurality of mounting holes (18).