CN214789328U - Cooling water fast switching valve for steel rolling - Google Patents
Cooling water fast switching valve for steel rolling Download PDFInfo
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- CN214789328U CN214789328U CN202023180362.3U CN202023180362U CN214789328U CN 214789328 U CN214789328 U CN 214789328U CN 202023180362 U CN202023180362 U CN 202023180362U CN 214789328 U CN214789328 U CN 214789328U
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- air inlet
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Abstract
The utility model relates to the technical field of valves. A cooling water fast switching valve for steel rolling comprises a valve body, a valve core, a valve rod and a switch control system, wherein the valve body comprises a first flow channel cavity, a second flow channel cavity and a bottom outlet, the first flow channel cavity is communicated with the second flow channel cavity, the first flow channel cavity is connected with the bottom outlet, the valve core is arranged at the position where the first flow channel cavity is communicated with the second flow channel cavity, the bottom outlet is positioned below the valve core, the valve core is connected with one end of the valve rod, the switch control system comprises a cylinder, a piston is arranged in the cylinder, the piston is connected with the valve rod, the cylinder is provided with a first air inlet and a second air inlet, the first air inlet is positioned above the upper surface of the piston, and the second air inlet is positioned below the lower surface of the piston. The utility model discloses it is quick to have the switching, and the leakproofness can be strong, and long service life, advantage with low costs.
Description
Technical Field
The utility model relates to the technical field of valves, particularly to quick diverter valve of cooling water for steel rolling.
Background
Usually, cooling water is used for cooling in the steel rolling process, water flow pipelines are frequently required to be switched in the process, the three-way valve adopted by the purpose has the defects of low switching speed and poor sealing performance, and the electromagnetic valves are frequently switched by parallelly connecting a plurality of pipelines and installing the electromagnetic valves on each pipeline, so that the service life of the electromagnetic valves is short, and the cost is too high.
Therefore, a cooling water quick switching valve for steel rolling, which has the advantages of quick switching, strong sealing performance, long service life and low cost, is needed at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a quick diverter valve of cooling water for steel rolling, which has the advantages of quick switching, strong sealing performance, long service life and low cost, and adopts the following technical scheme.
A cooling water fast switching valve for steel rolling comprises a valve body, a valve core, a valve rod and a switch control system, wherein the valve body comprises a first flow channel cavity, a second flow channel cavity and a bottom outlet, the first flow channel cavity is communicated with the second flow channel cavity, the first flow channel cavity is connected with the bottom outlet, the valve core is arranged at the position where the first flow channel cavity is communicated with the second flow channel cavity, the bottom outlet is positioned below the valve core, the valve core is connected with one end of the valve rod, the switch control system comprises a cylinder, a piston is arranged in the cylinder, the piston is connected with the valve rod, the cylinder is provided with a first air inlet and a second air inlet, the first air inlet is positioned above the upper surface of the piston, and the second air inlet is positioned below the lower surface of the piston.
The utility model discloses a three-way valve body can drive case up-and-down motion through the piston and make the case switch shutoff bottom export, first flow channel chamber and second flow channel chamber junction to reach the purpose of fast switch over cooling water flow to, thereby just switch through first air inlet and second air inlet and admit air and give vent to anger and can change the atmospheric pressure difference drive piston motion of piston upper and lower surface, thereby have with low costs, efficient advantage.
Preferably, the valve core comprises a valve core support member, a top valve core and a bottom valve core, the top valve core is fixedly connected to the top of the valve core support member, and the bottom valve core is fixedly connected to the bottom of the valve core support member.
The utility model adopts the above structure, realize the sealed of first runner chamber and second runner chamber junction and bottom export through top case and bottom case, improved the utility model discloses a leakproofness prevents to take place the condition of weeping after switching.
Preferably, the valve rod further comprises a pressing device, the pressing device comprises a pressing screw, an upper filler, a lower filler and a spring, the pressing screw, the upper filler, the lower filler and the spring are all arranged on the outer side of the valve rod, the pressing screw is located below the piston, one end of the spring is connected with the upper filler, the other end of the spring is connected with the lower filler, and the lower portion of the pressing screw is connected with the upper filler.
The utility model discloses a housing screw, last filler, lower filler and spring can accelerate the rate of motion of case through the elastic action of spring, thereby accelerate the utility model discloses a switching speed.
Preferably, the outer side of the valve rod is sleeved with a guide sleeve, the top of the guide sleeve is connected with the lower packing, and the bottom of the guide sleeve is fixedly connected to the inner wall of the cylinder.
The utility model discloses a uide bushing structure can be injectd the utility model discloses the motion of valve rod prevents that it from taking place the roll, thereby has strengthened the utility model discloses a stability in use and sealing capacity.
Preferably, the top of the cylinder is provided with a viewing window.
The utility model discloses set up the inspection window at the cylinder top to make the user can observe through the inspection window when using the utility model discloses an in service behavior, thereby guaranteed the utility model discloses an operating stability.
Preferably, the piston is provided with a piston ring, and the piston ring is sleeved outside the piston.
The utility model discloses still adopted the structure of piston ring, can strengthen the gas tightness between piston and the cylinder inner wall, thereby guarantee the utility model discloses an operating stability has also improved the rate of motion of piston, has strengthened the utility model discloses an excellent in use effect.
The beneficial effects of the utility model reside in that: the utility model discloses it is quick to have the switching, and the leakproofness can be strong, and long service life, advantage with low costs.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the cylinder;
fig. 3 is a schematic structural view of the pressing device.
Detailed Description
The present invention will be further explained with reference to the following embodiments.
A cooling water fast switching valve for steel rolling comprises a valve body 1, a valve core 2, a valve rod 3, a switch control system 4 and a pressing device 5, wherein the valve body 1 comprises a first flow channel cavity 11, a second flow channel cavity 12 and a bottom outlet 13, the first flow channel cavity 11 is communicated with the second flow channel cavity 12, the first flow channel cavity 11 is connected with the bottom outlet 13, the valve core 2 is arranged at the position where the first flow channel cavity 11 is communicated with the second flow channel cavity 12, the bottom outlet 13 is located below the valve core 2, the valve core 2 is connected with one end of the valve rod 3, the switch control system 4 comprises a cylinder 41, a piston 42 is arranged in the cylinder 41, the piston 42 is connected with the valve rod 3, the cylinder 41 is provided with a first air inlet 411 and a second air inlet 412, the first air inlet 411 is located above the upper surface of the piston 42, and the second air inlet 412 is located below the lower surface of the piston 42. The spool 2 includes a spool support 21, a top spool 22, and a bottom spool 23, the top spool 22 being fixedly connected to the top of the spool support 21, the bottom spool 23 being fixedly connected to the bottom of the spool support 21. The pressing device 5 comprises a pressing screw 51, an upper packing 52, a lower packing 53 and a spring 54, the pressing screw 51, the upper packing 52, the lower packing 53 and the spring 54 are all arranged on the outer side of the valve rod 3, the pressing screw 51 is located below the piston 42, one end of the spring 54 is connected with the upper packing 52, the other end of the spring 54 is connected with the lower packing 53, and the lower part of the pressing screw 51 is connected with the upper packing 52. The outside cover of valve rod 3 has uide bushing 31, and the top of uide bushing 31 is connected with lower packing 53, and the bottom fixed connection of uide bushing 31 is on the inner wall of cylinder 41. The top of the cylinder 41 is provided with a viewing window 6. The piston 42 is provided with a piston ring 421, and the piston ring 421 is fitted around the outside of the piston 42.
The utility model discloses a three-way valve body, when cooling water is switched to needs, first air inlet 411 admits air, second air inlet 412 gives vent to anger, piston 42 drives valve rod 3 downstream, spring 54 contracts, bottom case 23 presses in bottom export 13 department, first runner chamber 11 and second runner chamber 12 intercommunication, if switch once more, first air inlet 411 gives vent to anger, second air inlet 412 admits air, piston 42 drives valve rod 3 upward movement, spring 54 bounces, top case 22 presses in first runner chamber 11 and second runner chamber 12 junction, bottom export 13 and first runner chamber 11 switch, thereby reach the mesh that fast switch cooling water flows to, and through first air inlet 411 and second air inlet 412 switch admit air and give vent to anger the atmospheric pressure difference that can change piston 42 upper and lower surface and drive piston 42 and move, thereby it is with low costs, efficient advantage.
Claims (6)
1. The utility model provides a cooling water fast switch valve for steel rolling, includes the valve body, case, valve rod, on-off control system, its characterized in that: the valve body comprises a first flow passage cavity, a second flow passage cavity and a bottom outlet, the first flow passage cavity is communicated with the second flow passage cavity, the first flow passage cavity is connected with the bottom outlet, a valve core is arranged at the communication position of the first flow passage cavity and the second flow passage cavity, the bottom outlet is positioned below the valve core, the valve core is connected with one end of a valve rod, the switch control system comprises a cylinder, a piston is arranged in the cylinder, the piston is connected with the valve rod, the cylinder is provided with a first air inlet and a second air inlet, the first air inlet is positioned above the upper surface of the piston, and the second air inlet is positioned below the lower surface of the piston.
2. The cooling water fast switching valve for steel rolling according to claim 1, characterized in that: the valve core comprises a valve core supporting piece, a top valve core and a bottom valve core, wherein the top valve core is fixedly connected to the top of the valve core supporting piece, and the bottom valve core is fixedly connected to the bottom of the valve core supporting piece.
3. The cooling water fast switching valve for steel rolling according to claim 2, characterized in that: the valve rod is characterized by further comprising a pressing device, the pressing device comprises a pressing screw, an upper filler, a lower filler and a spring, the pressing screw, the upper filler, the lower filler and the spring are all arranged on the outer side of the valve rod, the pressing screw is located below the piston, one end of the spring is connected with the upper filler, the other end of the spring is connected with the lower filler, and the lower portion of the pressing screw is connected with the upper filler.
4. The cooling water fast switching valve for steel rolling according to claim 3, characterized in that: the outer side of the valve rod is sleeved with a guide sleeve, the top of the guide sleeve is connected with the lower packing, and the bottom of the guide sleeve is fixedly connected to the inner wall of the cylinder.
5. The cooling water fast switching valve for steel rolling according to claim 4, characterized in that: and the top of the cylinder is provided with a viewing window.
6. The cooling water fast switching valve for steel rolling according to claim 4, characterized in that: the piston is provided with a piston ring, and the piston ring is sleeved on the outer side of the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023180362.3U CN214789328U (en) | 2020-12-25 | 2020-12-25 | Cooling water fast switching valve for steel rolling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023180362.3U CN214789328U (en) | 2020-12-25 | 2020-12-25 | Cooling water fast switching valve for steel rolling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214789328U true CN214789328U (en) | 2021-11-19 |
Family
ID=78720434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023180362.3U Active CN214789328U (en) | 2020-12-25 | 2020-12-25 | Cooling water fast switching valve for steel rolling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214789328U (en) |
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2020
- 2020-12-25 CN CN202023180362.3U patent/CN214789328U/en active Active
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