CN210069060U - Quick vacuum self-closing valve - Google Patents
Quick vacuum self-closing valve Download PDFInfo
- Publication number
- CN210069060U CN210069060U CN201920884754.6U CN201920884754U CN210069060U CN 210069060 U CN210069060 U CN 210069060U CN 201920884754 U CN201920884754 U CN 201920884754U CN 210069060 U CN210069060 U CN 210069060U
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- Prior art keywords
- valve
- valve body
- port
- rod
- closing
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- Expired - Fee Related
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Abstract
The utility model belongs to the technical field of the vacuum insulation technique and specifically relates to a quick vacuum self-closing valve, comprises a valve seat, the top fixed mounting of disk seat has the valve body, be provided with the air inlet on the lateral wall of valve body bottom, be provided with the valve pocket in the lateral wall at valve body middle part, the outside of valve pocket is provided with the valve gap, valve gap and valve body fixed connection, be equipped with the valve rod in the valve pocket, one side fixed mounting of valve rod has the threaded rod, the inside top of valve body is provided with the valve port, the inside bottom of valve body is provided with the lower valve port corresponding with last valve port, the outside of going up valve port and lower valve port all is provided with the screen plate, screen plate fixed mounting is in the valve body, be equipped with the swinging arms on the inner wall of valve body, the one end that the valve body was kept away from to the swinging arms. The utility model discloses a practicality is strong, is worth promoting.
Description
Technical Field
The utility model relates to a vacuum insulation technical field especially relates to a quick vacuum self-closing valve.
Background
The self-closing valve is installed on the pipeline of the low-pressure gas system, and when the gas supply pressure of the pipeline is under-pressure or over-pressure, the device can be automatically closed and needs to be manually opened without electricity or other external power. The self-closing valve arranged at the joint of the tail end of the pipeline and the rubber pipe behind the gas meter has the pressure-loss closing function; at present, energy conservation and emission reduction are important for human survival and development, the vacuum heat preservation technology has very obvious effects on energy conservation and emission reduction, and although the technology is applied at home and abroad at present, the technology cannot be popularized all the time due to factors such as strong technical expertise, high application cost and the like, so that the overall energy conservation and emission reduction effect of the society is poor; the main components of the existing vacuum heat-insulating technology comprise a vacuum pump and a vacuum self-closing valve, so that the vacuum self-closing valve is a key component in the vacuum heat-insulating technology, and the existing vacuum self-closing valve often has the defects of complex structure, low reaction speed, poor reliability, high manufacturing cost and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of slow reaction speed in the prior art and providing a quick vacuum self-closing valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the quick vacuum self-closing valve comprises a valve seat, wherein a valve body is fixedly installed at the top of the valve seat, an air inlet is formed in the side wall of the bottom end of the valve body, a valve cavity is formed in the side wall of the middle of the valve body, a valve cover is arranged on the outer side of the valve cavity and fixedly connected with the valve body, a valve rod is arranged in the valve cavity, a threaded rod is fixedly installed on one side of the valve rod and clamped in the valve cavity and in threaded connection with the valve cavity, an upper valve port is formed in the top end of the interior of the valve body, a lower valve port corresponding to the upper valve port is formed in the bottom end of the interior of the valve body, sieve-shaped plates are arranged on the outer sides of the upper valve port and the lower valve port and fixedly installed in the valve body, a swing rod is arranged on the inner wall of the valve body, one end of, the sealing ball is fixedly connected with the swinging rod, and an air suction opening is formed in the top of the valve body.
Preferably, a corresponding control valve is arranged on the air inlet, and the control valve is fixedly installed on the side wall of the valve body.
Preferably, a hand wheel is arranged on the valve rod and fixedly connected with the valve rod.
Preferably, the opening diameters of the upper valve port and the lower valve port are the same, and the diameter of the sealing ball is larger than the diameters of the upper valve port and the lower valve port.
Preferably, the distance from the swinging rod to the upper valve port is equal to the distance from the swinging rod to the lower valve port.
The utility model provides a pair of quick vacuum self-closing valve, beneficial effect lies in: the design of the oscillating rod and the sealing ball has the function that when the valve does not work, the sealing ball oscillates to the lower valve port under the action of gravity and blocks the lower valve port, so that air cannot enter a negative pressure area below the vent pipe; when the valve works, the vacuum pump is connected to the air exhaust port, the sealing ball is sucked to the upper valve port under the action of negative pressure, so that the lower valve port is opened, air flow is exhausted through the vacuum pump at the lower valve port, when the vacuum degree meets the requirement, the vacuum pump stops working, and the sealing ball returns to the lower valve port again, so that the effect of self-closing vacuum is achieved; the utility model discloses simple structure, it is easy and simple to handle, can realize the quick self-closing of valve, reaction rate is fast, and the practicality is strong.
Drawings
Fig. 1 is a schematic structural view of a rapid vacuum self-closing valve according to the present invention;
fig. 2 is a schematic structural diagram of a sieve-shaped plate of a rapid vacuum self-closing valve according to the present invention;
fig. 3 is a schematic structural diagram of a valve rod of the rapid vacuum self-closing valve according to the present invention.
In the figure: the valve comprises a valve seat 1, a valve body 2, an air inlet 3, a valve cavity 4, a valve cover 5, a valve rod 6, an upper valve port 7, a lower valve port 8, a swing rod 9, a sealing ball 10, an air suction port 11, a sieve-shaped plate 12, a hand wheel 61 and a threaded rod 62.
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.
Referring to fig. 1-3, a quick vacuum self-closing valve comprises a valve seat 1, a valve body 2 is fixedly mounted at the top of the valve seat 1, an air inlet 3 is formed in the side wall of the bottom end of the valve body 2, a corresponding control valve is arranged on the air inlet 3, the control valve is fixedly mounted on the side wall of the valve body 2, a valve cavity 4 is formed in the side wall of the middle of the valve body 2, a valve cover 5 is arranged on the outer side of the valve cavity 4, the valve cover 5 is fixedly connected with the valve body 2, a valve rod 6 is arranged in the valve cavity 4, a threaded rod 62 is fixedly mounted on one side of the valve rod 6, the threaded rod 62 is connected in the valve cavity 4 in a clamped mode and in threaded connection with the valve cavity 4, a hand wheel 61 is arranged on the.
The top end inside the valve body 2 is provided with an upper valve port 7, the bottom end inside the valve body 2 is provided with a lower valve port 8 corresponding to the upper valve port 7, the opening diameters of the upper valve port 7 and the lower valve port 8 are the same, the outer sides of the upper valve port 7 and the lower valve port 8 are both provided with a sieve-shaped plate 12, the sieve-shaped plate 12 is fixedly arranged inside the valve body 2, the inner wall of the valve body 2 is provided with a swing rod 9, one end of the swing rod 9 is rotatably connected with the inner wall of the valve body 2 through a hinge, one end of the swing rod 9 far away from the valve body 2 is provided with a sealing ball 10, the sealing ball 10 is fixedly connected with the swing rod 9, the diameter of the sealing ball 10 is larger than the diameters of the upper valve port 7 and the lower valve port 8, the distance from the swing rod 9 to the upper valve port 7 is equal to the distance to the lower valve port 8, the top of the valve body 2 is provided with an air exhaust port 11, and the lower valve port 8 is blocked, so that air can not enter a negative pressure area below the vent pipe; when the valve works, the vacuum pump is connected to the air exhaust port 11, the sealing ball 10 is sucked to the upper valve port 7 under the action of negative pressure, so that the lower valve port 8 is opened, air flow is exhausted through the lower valve port 8 by the vacuum pump, when the vacuum degree meets the requirement, the vacuum pump stops working, and the sealing ball 10 returns to the lower valve port 8 again, so that the self-closing vacuum effect is achieved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A quick vacuum self-closing valve comprises a valve seat (1), wherein a valve body (2) is fixedly installed at the top of the valve seat (1), and is characterized in that an air inlet (3) is arranged on the side wall of the bottom end of the valve body (2), a valve cavity (4) is arranged in the side wall of the middle of the valve body (2), a valve cover (5) is arranged on the outer side of the valve cavity (4), the valve cover (5) is fixedly connected with the valve body (2), a valve rod (6) is arranged in the valve cavity (4), a threaded rod (62) is fixedly installed on one side of the valve rod (6), the threaded rod (62) is clamped in the valve cavity (4) and is in threaded connection with the valve cavity (4), an upper valve port (7) is arranged at the top end inside the valve body (2), a lower valve port (8) corresponding to the upper valve port (7) is arranged at the bottom end inside the valve body (2), and sieve-shaped plates (12, sieve plate (12) fixed mounting is in valve body (2), be equipped with swinging arms (9) on the inner wall of valve body (2), the one end of swinging arms (9) passes through the hinge rotation with the inner wall of valve body (2) and is connected, the one end that valve body (2) were kept away from in swinging arms (9) is provided with ball sealer (10), ball sealer (10) and swinging arms (9) fixed connection, the top of valve body (2) is provided with extraction opening (11).
2. A rapid vacuum self-closing valve according to claim 1, characterized in that the gas inlet (3) is provided with a corresponding control valve, which is fixedly mounted on the side wall of the valve body (2).
3. The rapid vacuum self-closing valve according to claim 1, wherein a hand wheel (61) is arranged on the valve rod (6), and the hand wheel (61) is fixedly connected with the valve rod (6).
4. The rapid vacuum self-closing valve according to claim 1, wherein the opening diameters of the upper valve port (7) and the lower valve port (8) are the same, and the diameter of the sealing ball (10) is larger than the diameters of the upper valve port (7) and the lower valve port (8).
5. A rapid vacuum self-closing valve according to claim 1, characterized in that the distance from the oscillating lever (9) to the upper port (7) is equal to the distance to the lower port (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920884754.6U CN210069060U (en) | 2019-06-13 | 2019-06-13 | Quick vacuum self-closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920884754.6U CN210069060U (en) | 2019-06-13 | 2019-06-13 | Quick vacuum self-closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210069060U true CN210069060U (en) | 2020-02-14 |
Family
ID=69457389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920884754.6U Expired - Fee Related CN210069060U (en) | 2019-06-13 | 2019-06-13 | Quick vacuum self-closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210069060U (en) |
-
2019
- 2019-06-13 CN CN201920884754.6U patent/CN210069060U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 Termination date: 20200613 |