CN217713782U - High-pressure safety relief valve structure - Google Patents
High-pressure safety relief valve structure Download PDFInfo
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- CN217713782U CN217713782U CN202221105276.2U CN202221105276U CN217713782U CN 217713782 U CN217713782 U CN 217713782U CN 202221105276 U CN202221105276 U CN 202221105276U CN 217713782 U CN217713782 U CN 217713782U
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Abstract
The utility model discloses a high-pressure safety relief valve structure, which comprises a relief valve body, wherein a lifting groove is arranged in the relief valve body, an internal thread through hole extending to the outer surface of the relief valve body is formed in the middle position of the inner wall at the upper end of the lifting groove, an through hole is formed in the middle position of the inner wall at the lower end of the lifting groove, a water source through hole is formed in the front end surface and the rear end surface of the relief valve body, and a water source through hole positioned in the rear end surface of the relief valve body is communicated with the inside of the through hole; the inside in lift groove is equipped with propelling movement piece one, the fixed screw rod that is located the inside of internal thread opening that is equipped with in intermediate position of a propelling movement piece up end, link to each other through the screw thread between internal thread opening and the screw rod, the inside of propelling movement piece one is equipped with the spring groove, the intermediate position of spring groove lower extreme inner wall is equipped with the spread groove A that extends to a propelling movement piece bottom surface. Through the utility model relates to a high-pressure safety relief valve structure can effectively increase the seal strength of valve port.
Description
Technical Field
The utility model relates to a relief valve technical field specifically is a high-pressure safety relief valve structure.
Background
Along with the increasingly rapid development of life needs and technological progress of people, it isHydraulic control valveOne of (1) and (b). The main valve is divided into upper and lower parts by diaphragm, the lower cavity of the diaphragm is water flow channel, the upper cavity is control chamber, it controls the open and close of the valve clack of the main valve, the pilot valve is a relief valve, it also has control chamber and water flow channel, the open and close of the valve clack is controlled by the control chamber, the needle valve is throttle valve, it controls the flow of water in the connecting pipe.
However, the strength of the existing high-pressure safety relief valve is low, and when the pressure given by a water source to the pressure valve plate is too high, the pressure valve plate may be lifted upwards, so that leakage is caused; therefore, the existing requirements are not met, and a high-pressure safety relief valve structure is provided for the requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-pressure safety relief valve structure to the intensity of the high-pressure safety relief valve structure that proposes in solving above-mentioned background art is lower, and when the water source gave the pressure of pressing the valve plate when too big, it can upwards be lifted to press the valve plate to have the possibility, thereby causes and reveals the scheduling problem.
In order to achieve the above object, the utility model provides a following technical scheme: a high-pressure safety relief valve structure comprises a relief valve body, wherein a lifting groove is arranged inside the relief valve body, an internal thread through hole extending to the outer surface of the relief valve body is formed in the middle of the inner wall of the upper end of the lifting groove, a through hole is formed in the middle of the inner wall of the lower end of the lifting groove, a water source flow through hole is formed in each of the front end surface and the rear end surface of the relief valve body, and the water source flow through hole in the rear end surface of the relief valve body is communicated with the inside of the through hole;
a first pushing block is arranged inside the lifting groove, a screw rod located inside an internal thread through hole is fixedly arranged at the middle position of the upper end face of the first pushing block, the internal thread through hole is connected with the screw rod through threads, a spring groove is arranged inside the first pushing block, a connecting groove A extending to the bottom face of the first pushing block is arranged at the middle position of the inner wall of the lower end of the spring groove, a limiting plate is arranged inside the spring groove, the upper end face of the limiting plate is connected with the spring A, a connecting rod is fixedly arranged at the middle position of the lower end face of the limiting plate, a pressure valve plate is fixedly arranged at the lower end face of the connecting rod, a sealing ring is fixedly arranged on the lower end face of the pressure valve plate, and a pushing sleeve is fixedly sleeved on the outer surface of the first pushing block;
a valve port is arranged between the two water source flow openings, an annular sealing groove corresponding to the position of the sealing ring is arranged on the inner wall of the valve port, and the shape of the sealing ring corresponds to that of the annular sealing groove;
an annular accommodating groove extending into the pressure relief valve body is formed in the inner wall of the valve port, two connecting grooves B are formed in two sides of the inner wall of the annular accommodating groove, the other end of each connecting groove B extends to a pushing groove located on the inner wall of the pressure relief valve body, and a limiting groove is formed in the inner wall of each connecting groove B;
the inside of spread groove B is equipped with the minor axis, the fixed propelling movement piece two that is located the propelling movement inslot portion that is equipped with of one end of minor axis, the propelling movement piece is two to go up and is the inclined plane with propelling movement cover relative face and propelling movement sheathe in with propelling movement piece two relative faces, the fixed semi-ring shape fixed plate that is located the annular portion of accomodating of being equipped with of the other end of minor axis, the outer fixed surface cover of minor axis is equipped with the spacing ring that is located the spacing inslot portion, the one end of spacing ring is connected with the spring B that the cover was located the minor axis surface.
Preferably, the two source flow ports are communicated through a valve port, and the position of the valve port corresponds to the position of the valve pressing plate.
Preferably, the shape of the pressure valve plate corresponds to the shape of the valve port, and the outer surface of the pressure valve plate is closely attached to the inner wall of the valve port.
Preferably, both sides of the outer surface of the pressure relief valve body are fixedly provided with a flange ring, and the pressure relief valve body and the flange rings are integrally manufactured.
Preferably, the upper end face of the screw rod is fixedly provided with a rotating handle, and the screw rod is connected with the rotating handle through welding.
Preferably, the outer surface of the limiting plate is closely attached to the inner wall of the spring groove, and the limiting plate is connected with the connecting rod through welding.
Preferably, the limiting ring is movably connected with the short shaft through socket joint, and the short shaft is connected with the semi-annular fixing plate through welding.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model can fix the pressure valve plate inside the valve port by matching the transmission structure with the lifting structure, thereby greatly increasing the connection strength between the pressure valve plate and the valve port, ensuring the sealing performance between the structures, and effectively preventing the leakage of water source through the design;
2. the utility model discloses a fixed sealing ring that is equipped with of lower terminal surface of pressure valve plate, and be equipped with the ring seal groove rather than the mutual correspondence in position on the inner wall of valve port, along with the decline of pressure valve plate, the sealing ring will get into the inside of ring seal groove, can effectively increase the leakproofness of pressure valve plate and valve port junction through ring seal groove and sealing ring.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a front view of the internal structure of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2;
fig. 4 is an enlarged view of the structure of fig. 3 at B.
In the figure: 1. a pressure relief valve body; 2. a lifting groove; 3. an internal thread through opening; 4. a port; 5. a source flow port; 6. a screw; 7. pushing a first block; 8. connecting grooves A; 9. a spring slot; 10. a spring A; 11. A limiting plate; 12. a connecting rod; 13. pressing the valve plate; 14. a seal ring; 15. pushing the sleeve; 16. a valve port; 17. an annular seal groove; 18. an annular receiving groove; 19. connecting grooves B; 20. a push tank; 21. a semi-annular fixed plate; 22. a short axis; 23. a limiting ring; 24. a second pushing block; 25. a spring B; 26. a limiting groove.
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.
The utility model discloses the relief valve body 1 (the model is Z-Tide), screw rod 6 (the model is M12) and spring B15 (the model is JX 110) that mentions can obtain from market purchase or private customization.
Referring to fig. 1 to 4, the present invention provides an embodiment: a high-pressure safety relief valve structure comprises a relief valve body 1, wherein a lifting groove 2 is arranged inside the relief valve body 1, an internal thread through hole 3 extending to the outer surface of the relief valve body 1 is formed in the middle position of the inner wall of the upper end of the lifting groove 2, a through hole 4 is formed in the middle position of the inner wall of the lower end of the lifting groove 2, a water source flow through hole 5 is formed in each of the front end surface and the rear end surface of the relief valve body 1, and the water source flow through hole 5 located in the rear end surface of the relief valve body 1 is communicated with the inside of the through hole 4;
a first pushing block 7 is arranged inside the lifting groove 2, a screw rod 6 located inside the internal thread through hole 3 is fixedly arranged in the middle of the upper end face of the first pushing block 7, the internal thread through hole 3 is connected with the screw rod 6 through threads, a spring groove 9 is arranged inside the first pushing block 7, a connecting groove A8 extending to the bottom face of the first pushing block 7 is arranged in the middle of the inner wall of the lower end of the spring groove 9, a limiting plate 11 is arranged inside the spring groove 9, a spring A10 is connected to the upper end face of the limiting plate 11, a connecting rod 12 is fixedly arranged in the middle of the lower end face of the limiting plate 11, a valve plate 13 is fixedly arranged on the lower end face of the connecting rod 12, a sealing ring 14 is fixedly arranged on the lower end face of the valve plate 13, and a pushing sleeve 15 is fixedly sleeved on the outer surface of the first pushing block 7;
a valve port 16 is arranged between the two water source flow through openings 5, an annular sealing groove 17 corresponding to the position of the sealing ring 14 is arranged on the inner wall of the valve port 16, and the shape of the sealing ring 14 corresponds to the shape of the annular sealing groove 17;
an annular accommodating groove 18 extending into the pressure relief valve body 1 is formed in the inner wall of the valve port 16, a connecting groove B19 is formed in each of two sides of the inner wall of the annular accommodating groove 18, the other end of the connecting groove B19 extends to a pushing groove 20 located in the inner wall of the pressure relief valve body 1, and a limiting groove 26 is formed in the inner wall of the connecting groove B19;
the inside of connecting groove B19 is equipped with minor axis 22, the fixed propelling movement piece two 24 that is located propelling movement groove 20 inside that is equipped with of one end of minor axis 22, the face that is relative with propelling movement cover 15 on propelling movement piece two 24 and the face that is relative with propelling movement piece two 24 on propelling movement cover 15 are the inclined plane, the fixed semicircular fixing plate 21 that is located the annular and accomodates groove 18 inside that is equipped with of the other end of minor axis 22, the fixed cover of surface of minor axis 22 is equipped with the spacing ring 23 that is located spacing groove 26 inside, the one end of spacing ring 23 is connected with the spring B25 that the cover was located minor axis 22 surface.
Further, the two source flow ports 5 communicate with each other through a valve port 16, and the position of the valve port 16 corresponds to the position of the pressure valve plate 13.
By adopting the above technical scheme, the valve port 16 can be communicated with a water source.
Further, the shape of the pressure valve plate 13 and the shape of the valve port 16 correspond to each other, and the outer surface of the pressure valve plate 13 is closely attached to the inner wall of the valve port 16.
By adopting the above technical solution, the valve port 16 can be closed by the pressure valve plate 13.
Further, both sides of the outer surface of the pressure release valve body 1 are fixedly provided with a flange ring, and the pressure release valve body 1 and the flange ring are integrally manufactured.
Through adopting above-mentioned technical scheme, can fix relief valve body 1 through two flange rings.
Furthermore, the upper end face of the screw rod 6 is fixedly provided with a rotating handle, and the screw rod 6 is connected with the rotating handle through welding.
Through adopting above-mentioned technical scheme, can rotate screw rod 6 through rotatory handle.
Further, the outer surface of the limiting plate 11 is closely attached to the inner wall of the spring groove 9, and the limiting plate 11 is connected with the connecting rod 12 through welding.
Through adopting above-mentioned technical scheme, can effectively prevent connecting rod 12 through limiting plate 11 and take place to drop.
Furthermore, the limit ring 23 is movably connected with the short shaft 22 through socket joint, and the short shaft 22 is connected with the semi-annular fixing plate 21 through welding.
Through adopting above-mentioned technical scheme, can extrude spring B25 through spacing ring 23.
The working principle is as follows: when the valve port 16 needs to be closed, the screw rod 6 is rotated, because a part of the screw rod 6 is positioned inside the internal thread through port 3 and the external thread of the screw rod 6 corresponds to the internal thread of the internal thread through port 3, when the screw rod 6 rotates, the screw rod 6 can move up and down inside the internal thread through port 3, when the screw rod 6 moves downwards, the first pushing block 7 fixedly connected with the screw rod can descend along with the screw rod, the limiting plate 11 is arranged inside the first pushing block 7, the upper end face of the limiting plate 11 is connected with the spring A10, the lower end face of the limiting plate 11 is fixedly provided with the connecting rod 12, the lower end face of the connecting rod 12 is fixedly provided with the pressure valve plate 13 corresponding to the position of the valve port 16, when the first pushing block 7 descends, the pressure valve plate 13 connected with the first pushing block can descend along with the pressure plate 13, the pressure valve plate 13 can enter the valve port 16 along with the descending of the pressure valve plate 13, when the pressure plate 13 completely enters the inside of the valve port 16 and the first pushing block 7 continues to descend, the connecting rod 12 and the limiting plate 11 will rise in the pushing block I7 to press the spring A10, the pushing block I7 will fall along with the pushing sleeve 15 fixedly sleeved on the outer surface of the pushing block I7, along with the falling of the pushing sleeve 15, the pushing sleeve 15 will contact with the pushing block II 24 in the pushing groove 20 on the inner wall of the pressure relief valve body 1, the surface of the pushing block II 24 opposite to the pushing sleeve 15 and the surface of the pushing sleeve 15 opposite to the pushing block II 24 are both inclined surfaces, when the pushing block II 24 and the pushing sleeve 15 are contacted and the pushing sleeve 15 continues to fall, the pushing block II 24 will be pushed inwards, the short shaft 22 fixedly connected with the pushing block II 24 will move along with the pushing block II 24 when the pushing block II 24 moves inwards, the semi-annular fixing plate 21 fixedly connected with the short shaft 22 will move inwards when the short shaft 22 moves along with the pushing block II, along with the movement of the semi-annular fixing plate 21, the semi-annular fixing plate 21 can contact the pressure valve plate 13 positioned in the valve port 16 at this time, so that the pressure valve plate 13 is fixed, the short shaft 22 is fixedly sleeved on the limiting ring 23 on the outer surface of the short shaft 22 in the inward movement process, the spring B25 in contact with the short shaft 22 can be extruded by the limiting ring, when the pressure valve plate 13 needs to be pulled out of the valve port 16, the screw 6 is rotated reversely, the pushing sleeve 15 connected with the screw 6 in a connected mode can be lifted along with the rising of the screw 6, the force of extruding the spring B25 can disappear along with the rising of the pushing sleeve 15, the semi-annular fixing plate 21 can be directly rebounded to the original position through the reaction force when the spring B25 is released, so that the fixation of the pressure valve plate 13 is released, and the connection strength between the pressure valve plate 13 and the valve port 16 is greatly increased, so that the pressure valve plate 13 is prevented from being lifted by high-strength water pressure;
the lower end face of the pressure valve plate 13 is fixedly provided with a sealing ring 14, the inner wall of the valve port 16 is provided with an annular sealing groove 17 corresponding to the position of the inner wall, the sealing ring 14 can enter the annular sealing groove 17 along with the descending of the pressure valve plate 13, the sealing performance of the joint of the pressure valve plate 13 and the valve port 16 can be effectively improved through the annular sealing groove 17 and the sealing ring 14, and after the whole assembly of the equipment is completed, the equipment is installed to the corresponding position and can be used.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a high pressure safety relief valve structure, includes relief valve body (1), its characterized in that: a lifting groove (2) is formed in the pressure relief valve body (1), an internal thread through hole (3) extending to the outer surface of the pressure relief valve body (1) is formed in the middle of the inner wall of the upper end of the lifting groove (2), a through hole (4) is formed in the middle of the inner wall of the lower end of the lifting groove (2), a water source flow through hole (5) is formed in each of the front end surface and the rear end surface of the pressure relief valve body (1), and the water source flow through hole (5) located in the rear end surface of the pressure relief valve body (1) is communicated with the inside of the through hole (4);
a first pushing block (7) is arranged inside the lifting groove (2), a screw rod (6) located inside the internal thread through hole (3) is fixedly arranged at the middle position of the upper end face of the first pushing block (7), the internal thread through hole (3) is connected with the screw rod (6) through threads, a spring groove (9) is arranged inside the first pushing block (7), a connecting groove A (8) extending to the bottom face of the first pushing block (7) is formed in the middle position of the inner wall of the lower end of the spring groove (9), a limiting plate (11) is arranged inside the spring groove (9), a spring A (10) is connected to the upper end face of the limiting plate (11), a connecting rod (12) is fixedly arranged at the middle position of the lower end face of the limiting plate (11), a pressure valve plate (13) is fixedly arranged on the lower end face of the connecting rod (12), a sealing ring (14) is fixedly arranged on the lower end face of the pressure valve plate (13), and a pushing sleeve (15) is fixedly sleeved on the outer surface of the first pushing block (7);
a valve port (16) is arranged between the two water source flow through openings (5), an annular sealing groove (17) corresponding to the position of the sealing ring (14) is arranged on the inner wall of the valve port (16), and the shape of the sealing ring (14) corresponds to the shape of the annular sealing groove (17);
an annular accommodating groove (18) extending into the pressure relief valve body (1) is formed in the inner wall of the valve port (16), a connecting groove B (19) is formed in each of two sides of the inner wall of the annular accommodating groove (18), the other end of the connecting groove B (19) extends to a pushing groove (20) located on the inner wall of the pressure relief valve body (1), and a limiting groove (26) is formed in the inner wall of the connecting groove B (19);
the inside of spread groove B (19) is equipped with minor axis (22), the fixed propelling movement piece two (24) that are located propelling movement groove (20) inside that is equipped with of one end of minor axis (22), the face relative with propelling movement cover (15) on propelling movement piece two (24) and propelling movement cover (15) is relative with the face that two (24) are relative of propelling movement piece is the inclined plane, the other end of minor axis (22) is fixed to be equipped with and to be located the annular and accomodate semi-annular fixed plate (21) of groove (18) inside, the outer fixed cover of minor axis (22) is equipped with spacing ring (23) that are located spacing groove (26) inside, the one end of spacing ring (23) is connected with spring B (25) that the cover was located minor axis (22) surface.
2. A high pressure safety relief valve structure according to claim 1, characterized in that: the two water source flow ports (5) are communicated through a valve port (16), and the position of the valve port (16) corresponds to the position of the pressure valve plate (13).
3. A high pressure safety relief valve structure according to claim 1, characterized in that: the shape of the pressure valve plate (13) corresponds to that of the valve port (16), and the outer surface of the pressure valve plate (13) is closely attached to the inner wall of the valve port (16).
4. A high pressure safety relief valve structure according to claim 1, characterized in that: the two sides of the outer surface of the pressure relief valve body (1) are fixedly provided with a flange ring, and the pressure relief valve body (1) and the flange rings are integrally manufactured.
5. A high pressure safety relief valve structure according to claim 1, characterized in that: the upper end face of the screw rod (6) is fixedly provided with a rotary handle, and the screw rod (6) is connected with the rotary handle through welding.
6. A high pressure safety relief valve structure according to claim 1, characterized in that: the outer surface of the limiting plate (11) is closely attached to the inner wall of the spring groove (9), and the limiting plate (11) is connected with the connecting rod (12) through welding.
7. A high pressure safety relief valve structure according to claim 1, characterized in that: the limiting ring (23) is movably connected with the short shaft (22) through socket joint, and the short shaft (22) is connected with the semi-annular fixing plate (21) through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221105276.2U CN217713782U (en) | 2022-05-10 | 2022-05-10 | High-pressure safety relief valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221105276.2U CN217713782U (en) | 2022-05-10 | 2022-05-10 | High-pressure safety relief valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217713782U true CN217713782U (en) | 2022-11-01 |
Family
ID=83790716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221105276.2U Active CN217713782U (en) | 2022-05-10 | 2022-05-10 | High-pressure safety relief valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217713782U (en) |
-
2022
- 2022-05-10 CN CN202221105276.2U patent/CN217713782U/en active Active
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