CN210600347U - Permanent magnet type centrifugal exhaust scavenging air valve - Google Patents
Permanent magnet type centrifugal exhaust scavenging air valve Download PDFInfo
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- CN210600347U CN210600347U CN201920801485.2U CN201920801485U CN210600347U CN 210600347 U CN210600347 U CN 210600347U CN 201920801485 U CN201920801485 U CN 201920801485U CN 210600347 U CN210600347 U CN 210600347U
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Abstract
The utility model discloses a permanent-magnet centrifugal exhaust scavenging valve, which comprises a metal valve core, a sealing ring, a valve casing and an exhaust pipe, wherein the upper part of the valve casing is provided with a communicating hole, the exhaust pipe arranged in the valve casing is communicated with the inside of a liquid storage cylinder through the valve casing, the valve core is matched with the hole wall of the valve casing in a sliding way, a magnetic device for adsorbing the valve core is fixedly arranged in the gap between the bottom of the valve core and the valve casing, the sealing ring is arranged between the lower end surface of the valve core opposite to the magnetic device, the magnetic device adsorbs the valve core through adsorption force to ensure that, the utility model is used for blocking the communication hole from being communicated with the exhaust pipe, has reasonable structure and convenient use, ensures that when no centrifugal force exists, the magnetic device tightly attracts the sealing gasket and the valve core, blocks a communication channel between the exhaust pipe and the communication hole through the inside of the valve shell, and effectively ensures that sealing liquid is tight and does not leak under the non-working state of the motor.
Description
Technical Field
The utility model relates to a scavenging valve technical field, concretely relates to permanent magnetism formula centrifugation exhaust scavenging valve.
Background
The patent number is 201410047510.4, the name is an exhaust valve, and the following technical scheme is disclosed: a kind of air vent valve, including valve casing and valve core, spring and sealed gasket in it, the lower end of the valve casing has vertical air vent pipes to connect with horizontal air vent pipes of the end plate bottom of the liquid storage cylinder, the valve core matches with hole wall of the valve casing in a sliding way, distribute the longitudinal slot on the perimeteric surface of the valve core or distribute the longitudinal hole on the valve core, there is sealed gasket opposite to annular end face of the lower end of the valve casing on the bottom end surface of the valve core, but this technology has following defects, when the electrical machinery accelerates and rotates, when the centrifugal force is large enough, the centrifugal force produced must overcome the holding power of the spring and compress the spring, the valve core is opened, at this moment, exhaust and take a breath, the opening of the valve core needs the greater centrifugal force, meanwhile, when the electrical machinery does not rotate and is static, the spring is in the open state, the seal among the prior art supports, the supporting force exerted by the spring on the valve core is minimum, the exhaust pipe is communicated by overcoming the supporting force of the spring and opening the spring after the spring is compressed, and in the process, along with the compression of the spring, the stress of the spring gradually reaches the maximum value, so that the exhaust pipe is completely communicated; when the motor is in a static state, the supporting force applied to the valve core by the spring is smaller than the value of the supporting force of the spring when the exhaust pipe is completely communicated, when the motor is static, the supporting force of the spring is the minimum value of the supporting force for sealing, at the moment, the pressure of the spring to the valve core is smaller, and further, the pressure of the valve core and the sealing ring is too small, so that the liquid leakage phenomenon is caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a permanent magnetism formula centrifugation exhaust breather valve rational in infrastructure, convenient to use, can effectively prevent the weeping phenomenon.
In order to achieve the above object, the technical solution of the present invention is: the utility model provides a permanent magnetism formula centrifugation exhaust scavenging air valve, includes metal valve core, sealing washer, valve casing and blast pipe, and valve casing upper portion is provided with the intercommunicating pore, and the inside blast pipe that sets up through the valve casing is linked together its characterized in that with the inside of liquid storage cylinder: the valve core is matched with the hole wall of the valve shell in a sliding mode, a magnetic device used for adsorbing the valve core is fixedly arranged in a gap between the bottom of the valve core and the valve shell, a sealing ring is arranged between the lower end face of the valve core opposite to the magnetic device, and the magnetic device adsorbs the valve core through adsorption force to enable the sealing ring to be tightly attached to the magnetic device and is used for blocking the communication hole to be communicated with the exhaust pipe.
Furthermore, the upper surface of the valve core and/or the upper surface of the inner part of the valve shell opposite to the upper surface of the valve core are in an uneven structure, so that when the upper surface of the valve core is contacted with the upper surface of the inner part of the valve shell, a gap for communicating the communication hole with the exhaust pipe is reserved.
Furthermore, the valve core is provided with an air guide hole communicated with the communicating hole.
Furthermore, the bottom of the valve core is provided with a lower guide rod, and the lower guide rod of the valve core penetrates through the sealing ring to be matched in a through hole of the magnetic device in a sliding manner.
Furthermore, an upper guide rod is arranged at the top of the valve core and is matched with the communicating hole in a sliding manner.
Furthermore, the magnetic device is a magnet, and the valve core is made of a magnetic material which can be adsorbed by the magnet.
Further, the valve casing is made of brass.
Furthermore, the valve casing swing joint of discharge valve is on the section of thick bamboo wall of liquid storage barrel, and the blast pipe of the lower part of this valve casing is arranged in the liquid storage barrel, and the exit end of pipe is relative with the axle of liquid storage barrel.
The utility model discloses rational in infrastructure, convenient to use adsorbs the case through setting up magnetic means, has guaranteed when no centrifugal force
The magnetic device tightly attracts the sealing gasket and the valve core, blocks a communication channel between the exhaust pipe and the communication hole through the inside of the valve shell, and effectively ensures that sealing liquid is tight and does not leak under the non-working state of the motor.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
fig. 2 is a schematic structural diagram of the valve element.
Description of the drawings: 1. the valve comprises a valve core, 2, a sealing ring, 3, a valve shell, 4, an exhaust pipe, 5, a communication hole, 6, a liquid storage cylinder, 7, a magnetic device, 8, a lower guide rod, 9 and an upper guide rod.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Combine the technical scheme of the utility model, a permanent magnetism formula centrifugation exhaust scavenging valve, including metal valve core 1, sealing washer 2, valve casing 3 and blast pipe 4, valve casing upper portion is provided with intercommunicating pore 5, the inside blast pipe that sets up through the valve casing is linked together with the inside of liquid storage cylinder 6, the pore wall looks sliding fit of case and valve casing, clearance between case bottom and the valve casing sets firmly magnetic means 7 that is used for adsorbing the case, be provided with the sealing washer under the case relative case between the terminal surface of case, magnetic means will seal up the pad and the tight actuation of case, the intercommunication passageway that the blast pipe passes through the valve casing inside and intercommunicating pore has been blocked, sealed liquid tightness under non-connected state has effectively been guaranteed.
The sealing washer can be fixed in the lower surface of magnetic means upper surface or case, and magnetic means adsorbs the case through adsorption affinity and makes sealing washer and magnetic means closely laminate for block that the intercommunicating pore is linked together with the blast pipe, and specific magnetic means can select for magnet, and the case is made by the magnetic material that magnet can adsorb, and the valve casing is made by the brass material.
When the motor rotates in an accelerating way, the centrifugal force is continuously increased, when the centrifugal force is greater than the adsorption force of the magnetic device, the valve core is separated from the magnetic device, so that the exhaust pipe, the ring hole of the sealing ring, the interior of the valve shell and the communication hole form a communicated pipeline for communicating the inside and the outside of the exhaust pipe, in order to prevent the valve core from blocking the communication hole after being separated from the magnetic device, the upper surface of the valve core and/or the upper surface of the interior of the valve shell opposite to the upper surface of the valve core can be in a rugged structure, when the upper surface of the valve core is contacted with the upper surface of the interior of the shell, a gap communicated with the exhaust pipe is reserved between the communication hole and the exhaust pipe, or an air guide hole communicated with the communication hole is arranged on the valve core, and when the magnetic device adsorbs.
The bottom of the valve core is provided with a lower guide rod 8, the lower guide rod of the valve core penetrates through a sealing ring to be matched in a through hole of the magnetic device in a sliding manner, the lower guide rod of the sealing ring, which is used for sealing the valve core, penetrates through a gap in the through hole of the magnetic device in the sliding manner, the top of the valve core is provided with an upper guide rod 9, the upper guide rod is matched with a communicating hole in the sliding manner, the diameter of the upper guide rod is smaller than that of the exhaust hole, the diameter of the lower guide rod is smaller than that of the communicating hole.
The valve casing of the exhaust valve can also be movably connected to the wall of the liquid storage barrel, the step thread body on the upper part of the valve casing is matched with the nut on the liquid storage barrel, the exhaust pipe on the lower part of the valve casing is arranged in the liquid storage barrel, and the outlet end of the pipe is opposite to the shaft of the liquid storage barrel.
The foregoing shows and describes the general principles of the present invention, with its principal features and advantages, and further, various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a permanent magnetism formula centrifugation exhaust scavenging air valve, includes metal valve core, sealing washer, valve casing and blast pipe, and valve casing upper portion is provided with the intercommunicating pore, and the inside blast pipe that sets up through the valve casing is linked together its characterized in that with the inside of liquid storage cylinder: the valve core is matched with the hole wall of the valve shell in a sliding mode, a magnetic device used for adsorbing the valve core is fixedly arranged in a gap between the bottom of the valve core and the valve shell, a sealing ring is arranged between the lower end face of the valve core opposite to the magnetic device, and the magnetic device adsorbs the valve core through adsorption force to enable the sealing ring to be tightly attached to the magnetic device and is used for blocking the communication hole to be communicated with the exhaust pipe.
2. A permanent magnet centrifugal exhaust gas exchange valve according to claim 1, wherein: the upper surface of the valve core and/or the upper surface of the valve shell inside opposite to the upper surface of the valve core are of an uneven structure, so that when the upper surface of the valve core is contacted with the upper surface of the shell inside, a gap for communicating the communicating hole with the exhaust pipe is reserved.
3. A permanent magnet centrifugal exhaust gas exchange valve according to claim 1, wherein: the valve core is provided with an air guide hole communicated with the communicating hole.
4. A permanent magnet centrifugal exhaust gas exchange valve according to claim 1 or 2, wherein: the bottom of the valve core is provided with a lower guide rod, and the lower guide rod of the valve core penetrates through the sealing ring to be matched in a through hole of the magnetic device in a sliding manner.
5. A permanent magnet centrifugal exhaust gas exchange valve according to claim 1 or 2, wherein: the top of the valve core is provided with an upper guide rod which is matched with the communicating hole in a sliding way.
6. A permanent magnet centrifugal exhaust gas exchange valve according to claim 1 or 2, wherein: the magnetic device is a magnet, and the valve core is made of a magnetic material which can be adsorbed by the magnet.
7. A permanent magnet centrifugal exhaust gas exchange valve according to claim 1 or 2, wherein: the valve casing is made of brass.
8. A permanent magnet centrifugal exhaust gas exchange valve according to claim 1 or 2, wherein: the valve casing swing joint of discharge valve is on the section of thick bamboo wall of liquid storage barrel, and the blast pipe of the lower part of this valve casing is arranged in the liquid storage barrel, and the exit end of pipe is relative with the axle of liquid storage barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801485.2U CN210600347U (en) | 2019-05-30 | 2019-05-30 | Permanent magnet type centrifugal exhaust scavenging air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801485.2U CN210600347U (en) | 2019-05-30 | 2019-05-30 | Permanent magnet type centrifugal exhaust scavenging air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210600347U true CN210600347U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920801485.2U Active CN210600347U (en) | 2019-05-30 | 2019-05-30 | Permanent magnet type centrifugal exhaust scavenging air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210600347U (en) |
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2019
- 2019-05-30 CN CN201920801485.2U patent/CN210600347U/en active Active
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