CN211175552U - Built-in safety valve - Google Patents
Built-in safety valve Download PDFInfo
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- CN211175552U CN211175552U CN201922288714.8U CN201922288714U CN211175552U CN 211175552 U CN211175552 U CN 211175552U CN 201922288714 U CN201922288714 U CN 201922288714U CN 211175552 U CN211175552 U CN 211175552U
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- spring
- valve body
- fixedly connected
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Abstract
The utility model discloses a built-in safety valve in the technical field of safety valves, which comprises a valve body, wherein the outer wall of the bottom of the valve body is provided with an inlet, the outer wall of the right side of the valve body is provided with an outlet, the outer wall of the top of the valve body is provided with a valve seat, the bottom end of a valve rod extends to the inner cavity of the valve body and is fixedly connected with a valve clack, the bottom end of the valve clack is inserted in the inner cavity of the inlet, the top end of the inner cavity of the valve seat is movably provided with a mounting plate, the top end of the valve rod penetrates through the mounting plate, the outer wall of the valve rod is sleeved with a spring, the top end of the spring is fixedly connected with the outer wall of the bottom of the mounting plate, a guide rod is moved downwards in the device to disconnect the fixed block downwards from a fixed groove, the, the spring is convenient to take down for replacement.
Description
Technical Field
The utility model relates to a relief valve technical field specifically is a built-in relief valve.
Background
The safety valve is a valve for protection, when the internal pressure of the existing built-in safety valve is larger than the pretightening force of a spring, a valve core overcomes the pretightening force of the spring to automatically open and release redundant media, when the pressure of the media is reduced to be smaller than the pretightening force of the spring, the valve core automatically closes under the action of the spring force, when the spring is aged, the safety valve fails, the spring needs to be replaced, however, a valve body and a valve seat are generally fixedly connected through a plurality of groups of bolts and are difficult to disassemble, and the replacement of the internal spring is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a built-in relief valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a built-in safety valve comprises a valve body, wherein an inlet is formed in the outer wall of the bottom of the valve body, an outlet is formed in the outer wall of the right side of the valve body, a valve seat is arranged on the outer wall of the top of the valve body, a valve rod is arranged in an inner cavity of the valve body, the bottom end of the valve rod extends to the inner cavity of the valve body and is fixedly connected with a valve clack, the bottom end of the valve clack is inserted into the inner cavity of the inlet, a mounting plate is movably arranged at the top end of the inner cavity of the valve seat, the top end of the valve rod penetrates through the mounting plate, a spring is sleeved on the outer wall of the valve rod, the top end of the spring is fixedly connected with the outer wall of the bottom of the mounting plate, the bottom end of the spring is movably, supporting spring top and guide bar fixed connection, it is two sets of one side outer wall that the guide bar is close to each other all is provided with the fixed block, the fixed slot has all been seted up to the disk seat left and right sides outer wall, and the fixed block is arranged in the inner chamber of fixed slot.
Preferably, the outer wall of the bottom of the moving block is fixedly connected with the sliding block, sliding grooves are formed in the outer walls of the left side and the right side of the top of the valve body, the bottom end of the sliding block is inserted into an inner cavity of the sliding grooves, and a reset spring is arranged between the outer wall of one side, away from each other, of the two groups of sliding blocks and the inner wall of one side, away from each other, of the two.
Preferably, the bottom end of the spring is fixedly connected with the clamping block, the outer wall of the right side of the valve rod is provided with a clamping groove matched with the clamping block, and the left end of the clamping block is inserted into an inner cavity of the clamping groove.
Preferably, the outer wall of the top of the left side of the branch pipe on the right side is fixedly connected with the insertion block, the outer wall of the top of the right side of the branch pipe on the left side is provided with a slot, and the left end of the insertion block is inserted into an inner cavity of the slot.
Preferably, the outer walls of the left side and the right side of the mounting plate are provided with protruding blocks, the inner walls of the left side and the right side of the valve seat are provided with grooves, and the two groups of protruding blocks are respectively located in the inner cavities of the two groups of grooves.
Preferably, the outer wall of the right side of the top of the branch pipe on the left side is provided with a guide groove, and the inner wall of the guide groove is provided with anti-skidding lines.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the guide rod is moved downwards in the device, so that the fixed block is disconnected from the fixed groove downwards, the connection between the valve seat and the valve body is conveniently disconnected, the valve seat is conveniently taken away from the upper part of the valve body, the spring is displayed outside and is convenient to replace, the clamping block is moved out of the inner cavity of the clamping groove, the connection between the valve rod and the spring is conveniently disconnected, and the spring is conveniently taken down and replaced;
2. when the fixed block is downwards disconnected with the fixed slot, the movable block is moved to the outer side through the contraction of the reset spring, the fixed block is conveniently moved out of the inner cavity of the fixed slot, and a user can replace the spring.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of the structure a of the present invention.
In the figure: 1. a valve body; 2. an inlet; 3. an outlet; 4. a valve seat; 41. pipe distribution; 5. a valve stem; 6. a valve flap; 7. a spring; 8. mounting a plate; 9. a moving block; 10. a support spring; 11. a guide bar; 12. a fixed block; 13. fixing grooves; 14. a slider; 15. a return spring; 16. a clamping block; 17. and (5) inserting the blocks.
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.
The utility model provides a technical scheme: a built-in safety valve, please refer to fig. 1, comprising a valve body 1;
referring to fig. 1, an inlet 2 is formed in the outer wall of the bottom of a valve body 1, an outlet 3 is formed in the outer wall of the right side of the valve body 1, a valve seat 4 is arranged on the outer wall of the top of the valve body 1, a valve rod 5 is arranged in the inner cavity of the valve seat 4, the bottom end of the valve rod 5 extends into the inner cavity of the valve body 1 and is fixedly connected with a valve clack 6, the bottom end of the valve clack 6 is inserted into the inner cavity of the inlet 2, a mounting plate 8 is movably arranged at the top end of the inner cavity of the valve seat 4, the top end of the valve rod 5 penetrates through the mounting plate 8, the valve rod 5 can move up and down at the mounting plate 8, a spring 7 is sleeved on the outer wall of the valve rod 5, the top end of the spring 7 is fixedly connected with the outer wall of the bottom of the mounting, the internal pressure is reduced, when the medium pressure (internal pressure) is reduced to be smaller than the pretightening force of the spring 7, the valve clack 6 is automatically closed under the acting force of the spring 7, the discharge is stopped, and the safety valve is the existing equipment;
referring to fig. 1 and 2, the valve seat 4 includes two branch pipes 41, so that the valve seat 4 can be split into two parts, the cross section of the branch pipe 41 is semicircular, two sets of moving blocks 9 are symmetrically arranged on the outer wall of the top of the valve body 1, the outer wall of the bottom of the moving block 9 is slidably connected with the outer wall of the top of the valve body 1, so that the moving block 9 can move left and right on the top of the valve body 1, the outer wall of the top of the moving block 9 is provided with a slot, the inner wall of the bottom of the slot is fixedly connected with a support spring 10, the support spring 10 supports a guide rod 11, so that the guide rod 11 cannot automatically drive a fixed block 12 to move downwards, so that the fixed block 12 cannot be disconnected from a fixed groove 13 downwards, the top of the support spring 10 is fixedly connected with the guide rod 11, the outer wall of the guide rod 11 is slidably connected with, the fixed block 12 is fixedly connected with the guide rod 11, the outer walls of the left side and the right side of the valve seat 4 are respectively provided with a fixed groove 13, the fixed block 12 is positioned in an inner cavity of the fixed groove 13, the vertical sections of the fixed block 12 and the fixed groove 13 are in a T shape, the guide rod 11 is pressed downwards to disconnect the fixed block 12 from the fixed groove 13 downwards, the fixed block 12 is moved out of the inner cavity of the fixed groove 13 towards the outer side, the valve seat 4 is conveniently disconnected from the valve body 1, the valve seat 4 is moved towards the left side and the right side, the valve seat 4 is separated into two branch pipes 41, the valve seat 4 is conveniently taken down from the upper part of the valve body 1, the spring 7 is made to be in the outside, the spring 7 is conveniently replaced, the protruding part of the fixed block 12 is moved out of a groove;
referring to fig. 2, the outer wall of the bottom of the moving block 9 is fixedly connected with the sliding block 14, sliding grooves are formed in the outer walls of the left side and the right side of the top of the valve body 1, the bottom end of the sliding block 14 is inserted into an inner cavity of the sliding grooves, the sliding block 14 can move left and right in the inner cavity of the sliding grooves, a return spring 15 is arranged between the outer wall of one side, away from each other, of the two groups of sliding blocks 14 and the inner wall of one side, away from each other, of the two groups of sliding grooves, the return spring 15 is fixedly connected with the inner wall of the sliding grooves and the outer wall of the sliding block 14, when the fixed block 12 is disconnected from the fixed groove 13 downwards, the moving block 9 is pulled outwards through contraction;
referring to fig. 2, the bottom end of the spring 7 is fixedly connected to the clamping block 16, the outer wall of the right side of the valve rod 5 is provided with a clamping groove matched with the clamping block 16, and the left end of the clamping block 16 is inserted into the inner cavity of the clamping groove, so that the connection between the bottom end of the spring 7 and the outer wall of the valve rod 5 is conveniently disconnected or the bottom end of the spring 7 and the valve rod 5 are connected, and the spring 7 is conveniently replaced;
referring to fig. 1, the outer wall of the top of the left side of the right branch pipe 41 is fixedly connected with the insertion block 17, the outer wall of the top of the right side of the left branch pipe 41 is provided with an insertion slot, the left end of the insertion block 17 is inserted into the inner cavity of the insertion slot, friction exists between the outer wall of the insertion block 17 and the inner wall of the insertion slot, so that the insertion block 17 cannot be automatically moved out of the inner cavity of the insertion slot, the tops of the two branch pipes 41 are connected, and the valve seat 4 is prevented from automatically generating a gap when;
referring to fig. 1, the outer walls of the left side and the right side of the mounting plate 8 are provided with bumps, the bumps are fixedly connected with the mounting plate 8, the inner walls of the left side and the right side of the valve seat 4 are provided with grooves, and the two sets of bumps are respectively positioned in the inner cavities of the two sets of grooves, so that the mounting plate 8 cannot move up and down, the use effect of the mounting plate 8 is ensured, and when the two sets of branch pipes 41 are separated towards the left side and the right side, the bumps are directly moved out of the inner cavities of the;
referring to fig. 1, the outer wall of the top of the left branch pipe 41 is provided with a guide groove, so that the top of the branch pipe 41 has a force application area, which facilitates the separation of the two branch pipes 41, and the inner wall of the guide groove is provided with anti-skid threads, so as to increase the friction force contacting with the inner wall of the guide groove and avoid skidding.
The working principle is as follows: the guide rod 11 is pressed downwards, the fixed block 12 moves downwards to be disconnected from the fixed groove 13, the return spring 15 contracts to pull the moving block 9 outwards, the fixed block 12 is moved out of an inner cavity of the fixed groove 13, the valve body 1 is disconnected from the valve seat 4, the valve seat 4 moves outwards, the valve seat 4 is divided into two branch pipes 41, the valve seat 4 is taken down from the upper portion of the valve body 1, the fixture block 16 is moved out of the inner cavity of the clamping groove, the spring 7 is taken down from the outer wall of the valve rod 5 to be replaced, and then the valve seat 4 is reset.
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 (6)
1. A built-in safety valve comprises a valve body (1), and is characterized in that: the bottom outer wall of the valve body (1) is provided with an inlet (2), the right side outer wall of the valve body (1) is provided with an outlet (3), the top outer wall of the valve body (1) is provided with a valve seat (4), the inner cavity of the valve seat (4) is provided with a valve rod (5), the bottom end of the valve rod (5) extends to the inner cavity of the valve body (1) and is fixedly connected with a valve clack (6), the bottom end of the valve clack (6) is inserted into the inner cavity of the inlet (2), the top end of the inner cavity of the valve seat (4) is movably provided with a mounting plate (8), the top end of the valve rod (5) penetrates through the mounting plate (8), the outer wall of the valve rod (5) is sleeved with a spring (7), the top end of the spring (7) is fixedly connected with the bottom outer wall of the mounting plate (8), the bottom end of the spring (7) is movably, the valve is characterized in that the outer wall of the bottom of the moving block (9) is connected with the outer wall of the top of the valve body (1) in a sliding mode, a groove is formed in the outer wall of the top of the moving block (9), the inner wall of the bottom of the groove is fixedly connected with a supporting spring (10), the top end of the supporting spring (10) is fixedly connected with a guide rod (11), two sets of fixing blocks (12) are arranged on the outer wall of one side, close to the guide rod (11), of each other, fixing grooves (13) are formed in the outer walls of the left side and the right side of the valve seat (4).
2. An internal safety valve according to claim 1, characterized in that: the outer wall of the bottom of the moving block (9) is fixedly connected with the sliding blocks (14), sliding grooves are formed in the outer walls of the left side and the right side of the top of the valve body (1), the bottom ends of the sliding blocks (14) are inserted into inner cavities of the sliding grooves, and reset springs (15) are arranged between the outer wall of one side, far away from each other, of the two sets of the sliding blocks (14) and the inner wall of one side, far away from each other, of the.
3. An internal safety valve according to claim 1, characterized in that: the bottom end of the spring (7) is fixedly connected with the clamping block (16), the outer wall of the right side of the valve rod (5) is provided with a clamping groove matched with the clamping block (16), and the left end of the clamping block (16) is inserted into the inner cavity of the clamping groove.
4. An internal safety valve according to claim 1, characterized in that: the outer wall of the top of the left side of the branch pipe (41) on the right side is fixedly connected with the inserting block (17), the outer wall of the top of the right side of the branch pipe (41) on the left side is provided with a slot, and the left end of the inserting block (17) is inserted into the inner cavity of the slot.
5. An internal safety valve according to claim 1, characterized in that: the mounting panel (8) left and right sides outer wall all is provided with the lug, the disk seat (4) left and right sides inner wall all sets up flutedly, and two sets of lugs are located the inner chamber of two sets of recesses respectively.
6. An internal safety valve according to claim 1, characterized in that: the left side divide pipe (41) top right side outer wall to have seted up the guide way, and the guide way inner wall is provided with anti-skidding line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288714.8U CN211175552U (en) | 2019-12-19 | 2019-12-19 | Built-in safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288714.8U CN211175552U (en) | 2019-12-19 | 2019-12-19 | Built-in safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211175552U true CN211175552U (en) | 2020-08-04 |
Family
ID=71806693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922288714.8U Active CN211175552U (en) | 2019-12-19 | 2019-12-19 | Built-in safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211175552U (en) |
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2019
- 2019-12-19 CN CN201922288714.8U patent/CN211175552U/en active Active
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