CN217842824U - Automatic explosion-proof pressure relief valve for low-temperature high-pressure conveying pipeline - Google Patents
Automatic explosion-proof pressure relief valve for low-temperature high-pressure conveying pipeline Download PDFInfo
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- CN217842824U CN217842824U CN202220891468.4U CN202220891468U CN217842824U CN 217842824 U CN217842824 U CN 217842824U CN 202220891468 U CN202220891468 U CN 202220891468U CN 217842824 U CN217842824 U CN 217842824U
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Abstract
The utility model relates to the technical field of valves, and discloses an automatic explosion-proof pressure relief valve for a low-temperature high-pressure conveying pipeline, which solves the problems that the existing valve has poor explosion-proof pressure relief performance and is easy to cause valve explosion when the impact force of water flow is too large, and comprises a valve body, wherein one end of the valve body is provided with a water inlet pipe, the other end of the valve body is provided with a water outlet pipe, a pressure sensor is arranged on the water inlet pipe, a PLC (programmable logic controller) is arranged on the valve body, and pressure relief components are respectively arranged on the water inlet pipe and the water outlet pipe; through being provided with pressure release passageway, backstop ring sum water proof membrane, can be when the valve body internal pressure is great, timely performance pressure release effect effectively avoids the valve phenomenon of exploding because of the great emergence of pressure in the valve body.
Description
Technical Field
The utility model belongs to the technical field of the valve, specifically be an automatic explosion-proof pressure release valve for low temperature high pressure conveying pipeline.
Background
A valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device capable of controlling the flow rate by flowing or stopping a medium in a pipe or a device; the valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, cut-off, throttling, check, shunt and the like.
The existing valve has poor explosion-proof pressure relief performance, and when the impact force of water flow is too large, the valve is easy to explode.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned condition, for overcoming prior art's defect, the utility model provides an automatic explosion-proof pressure release valve for low temperature high pressure conveying line, the effectual valve that has solved among the above-mentioned background art that has now, explosion-proof pressure release performance is relatively poor, when the impact force degree of rivers is too big, leads to the problem that the valve explodes the valve easily.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic explosion-proof pressure release valve for low temperature high pressure pipeline, which comprises a valve body, the inlet tube is installed to the one end of valve body, the outlet pipe is installed to the other end of valve body, install pressure sensor on the inlet tube, install the PLC controller on the valve body, install pressure release subassembly on inlet tube and the outlet pipe respectively, pressure release subassembly is including installing the installation section of thick bamboo on the inlet tube, the installation section of thick bamboo switches on with the inlet tube mutually, pressure release channel is installed to top one side of installation section of thick bamboo, pressure release channel switches on with the installation section of thick bamboo mutually, the backstop ring is installed to pressure release channel's one end, install the water proof membrane in the backstop ring, the material of water proof membrane is the PTFE membrane, install the piston in the installation section of thick bamboo, first fluting has been seted up to top one side of piston, set up the second fluting corresponding with first fluting on the top inner wall of installation section of thick bamboo, all install the dead lever in first fluting and the second fluting, the middle part cover of dead lever is equipped with the slider, the spring is equipped with the both ends symmetry cover of dead lever, the articulated first movable rod on one of the slider, the one of first movable rod is articulated mutually articulated with the top of piston, the lead screw rod, the external rotation of lead screw rod is installed on the lead screw rod, the external rotation of the lead screw rod is installed, the external screw rod, the external rotation of the lead screw rod is installed, the lead screw rod.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) During work, the pressure relief channel, the stop ring and the waterproof membrane are arranged, so that the pressure relief effect can be timely played when the pressure in the valve body is higher, and the valve explosion phenomenon caused by higher pressure in the valve body is effectively avoided;
(2) And in the work, through being provided with each subassembly such as outer pole, lead screw, positive and negative motor and slide bar, can be when the valve body internal pressure is normal, with piston control in pressure release channel's below, and then make the interior rivers normal flow of valve body.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the pressure releasing channel of the present invention;
FIG. 3 is a schematic view of the pressure relief assembly of the present invention;
FIG. 4 is a schematic view of the slide bar structure of the present invention;
FIG. 5 is a schematic view of the installation structure of the waterproof membrane of the present invention;
in the figure: 1. a valve body; 2. a water inlet pipe; 3. a water outlet pipe; 4. a pressure sensor; 5. a PLC controller; 6. a pressure relief assembly; 7. mounting the cylinder; 8. a pressure relief channel; 9. a stop ring; 10. A water-resistant film; 11. a piston; 12. a first slot; 13. a second slot; 14. fixing the rod; 15. A slider; 16. a spring; 17. a first movable bar; 18. a second movable bar; 19. an outer rod; 20. A screw rod; 21. a positive and negative motor; 22. a slide bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below 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 work belong to the protection scope of the present invention.
Embodiment one, given by fig. 1 to 5, the utility model discloses a valve body 1, inlet tube 2 is installed to the one end of valve body 1, and outlet pipe 3 is installed to the other end of valve body 1, installs pressure sensor 4 on the inlet tube 2, installs PLC controller 5 on the valve body 1, and PLC controller 5's model is: s7-200, the PLC 5 consists of a signal receiver and a signal processor, a pressure relief assembly 6 is respectively arranged on the water inlet pipe 2 and the water outlet pipe 3, the pressure relief assembly 6 comprises an installation cylinder 7 arranged on the water inlet pipe 2, the installation cylinder 7 is communicated with the water inlet pipe 2, a pressure relief channel 8 is arranged on one side of the top of the installation cylinder 7, the pressure relief channel 8 is communicated with the installation cylinder 7, a stop ring 9 is arranged at one end of the pressure relief channel 8, a waterproof membrane 10 is arranged in the stop ring 9, the waterproof membrane 10 is made of PTFE membrane, a piston 11 is arranged in the installation cylinder 7, a first open slot 12 is arranged on one side of the top end of the piston 11, a second open slot 13 corresponding to the first open slot 12 is arranged on the inner wall of the top of the installation cylinder 7, and fixing rods 14 are arranged in the first open slot 12 and the second open slot 13, the middle part cover of dead lever 14 is equipped with slider 15, the both ends symmetry cover of dead lever 14 is equipped with spring 16, it has first movable rod 17 to articulate on one of them slider 15, the one end of first movable rod 17 is articulated mutually with the top of piston 11, it has second movable rod 18 to articulate on another slider 15, the one end of second movable rod 18 is articulated mutually with the top inner wall of installation section of thick bamboo 7, first movable rod 17 is connected through the pivot with the middle part of second movable rod 18, the top of installation section of thick bamboo 7 is pegged graft and is had outer pole 19, lead screw 20 is installed to outer pole 19 internal rotation, positive and negative motor 21 is installed on the top of lead screw 20, install the battery of being connected with positive and negative motor 21 electricity on the installation section of thick bamboo 7, slide bar 22 is installed to the last screw thread of lead screw 20.
The working principle is as follows: when the pressure relief valve works, when the pressure sensor 4 detects that the pressure value in the water inlet pipe 2 is large, a signal is transmitted to the PLC controller 5, the PLC controller 5 receives and processes the signal, the positive and negative motor 21 is controlled to be started, the positive and negative motor 21 rotates to drive the screw rod 20 to rotate, due to the arrangement of the outer rod 19, the screw rod 20 rotates to drive the slide rod 22 to move upwards until the bottom of the slide rod 22 moves upwards into the outer rod 19, at the moment, due to the arrangement of the first open slot 12 and the second open slot 13, the pressure pushes the piston 11 to move upwards, the first movable rod 17 and the second movable rod 18 deflect due to the upwards movement of the piston 11, along with the continuous upwards movement of the piston 11, when the piston 11 moves upwards to the upper side of the pressure relief channel 8, the pressure is discharged through the pressure relief channel 8, namely, the pressure in the valve body 1 is reduced until the pressure in the valve body 1 tends to be stable, at the moment, the positive and negative motor 21 rotates reversely, so that the piston 11 is fixed below the pressure relief channel 8, and normal flow of water in the valve body 1 is ensured.
Claims (1)
1. The utility model provides an automatic explosion-proof pressure relief valve for low temperature high pressure conveying line, includes valve body (1), its characterized in that: the utility model discloses a water pressure relief valve, including valve body (1), inlet tube (2) are installed to the one end of valve body (1), outlet pipe (3) are installed to the other end of valve body (1), install pressure sensor (4) on inlet tube (2), install PLC controller (5) on valve body (1), install pressure release subassembly (6) on inlet tube (2) and outlet pipe (3) respectively, pressure release subassembly (6) are including installing installation section of thick bamboo (7) on inlet tube (2), installation section of thick bamboo (7) switch on with inlet tube (2) mutually, pressure release passageway (8) are installed to top one side of installation section of thick bamboo (7), pressure release passageway (8) switch on with installation section of thick bamboo (7) one end installs backstop ring (9), install waterproof membrane (10) in backstop ring (9), the material of waterproof membrane (10) is the PTFE membrane, install piston (11) in installation section of thick bamboo (7), first fluting (12) have been seted up to top one side of piston (11), set up on the top inner wall of installation section of thick bamboo (7) and have second fluting (12) corresponding second fluting (12), the equal fluting slider (14) of dead lever (14) middle part of equal fluting (14) of dead lever (14) are equipped with slotted spring (16) cover to the slotted cover, articulated on one of them slider (15) have first movable rod (17), the one end of first movable rod (17) is articulated mutually with the top of piston (11), it has second movable rod (18) to articulate on another slider (15), the one end of second movable rod (18) is articulated mutually with the top inner wall of installation section of thick bamboo (7), first movable rod (17) is connected through the pivot with the middle part of second movable rod (18), the top of installation section of thick bamboo (7) is pegged graft and is had outer pole (19), lead screw (20) are installed to outer pole (19) internal rotation, positive and negative motor (21) are installed on the top of lead screw (20), slide bar (22) are installed to screw thread on lead screw (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220891468.4U CN217842824U (en) | 2022-04-18 | 2022-04-18 | Automatic explosion-proof pressure relief valve for low-temperature high-pressure conveying pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220891468.4U CN217842824U (en) | 2022-04-18 | 2022-04-18 | Automatic explosion-proof pressure relief valve for low-temperature high-pressure conveying pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN217842824U true CN217842824U (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220891468.4U Active CN217842824U (en) | 2022-04-18 | 2022-04-18 | Automatic explosion-proof pressure relief valve for low-temperature high-pressure conveying pipeline |
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| CN (1) | CN217842824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116649193A (en) * | 2023-08-02 | 2023-08-29 | 潍坊郭牌农业科技有限公司 | Intelligent farmland atomization irrigation device and application method thereof |
-
2022
- 2022-04-18 CN CN202220891468.4U patent/CN217842824U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116649193A (en) * | 2023-08-02 | 2023-08-29 | 潍坊郭牌农业科技有限公司 | Intelligent farmland atomization irrigation device and application method thereof |
| CN116649193B (en) * | 2023-08-02 | 2023-10-03 | 潍坊郭牌农业科技有限公司 | Intelligent farmland atomization irrigation device and application method thereof |
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