CN212718082U - Pneumatic propulsion structure for vacuum valve - Google Patents
Pneumatic propulsion structure for vacuum valve Download PDFInfo
- Publication number
- CN212718082U CN212718082U CN202021395249.4U CN202021395249U CN212718082U CN 212718082 U CN212718082 U CN 212718082U CN 202021395249 U CN202021395249 U CN 202021395249U CN 212718082 U CN212718082 U CN 212718082U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- vacuum valve
- pneumatic
- air cylinder
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a vacuum valve's pneumatic propulsion technical field specifically is a pneumatic propulsion structure that vacuum valve used for solving among the prior art vacuum valve's pneumatic advancing mechanism has that whole length is long, with high costs, produces the problem of great vibration and noise. The utility model discloses a cylinder, install cylinder front end housing and cylinder piston in the cylinder, be connected with the bellows connecting rod on the cylinder piston, be connected with guiding mechanism on the bellows connecting rod, the front end of cylinder is connected with the cylinder connecting plate, buffer gear before one side that is close to guiding mechanism on the cylinder connecting plate is installed, buffer gear after one side that is close to the cylinder front end housing on the cylinder piston is installed. Through above-mentioned technical scheme can reduction in production cost, the effectual whole length that reduces pneumatic advancing mechanism, vibration and the noise of effectual reduction vacuum valve when closing.
Description
Technical Field
The utility model relates to a vacuum valve's pneumatic propulsion technical field especially relates to doublestage rotary-vane vacuum pump's oil feed technical field, and more specifically relates to a pneumatic propulsion structure that vacuum valve used.
Background
The gate valve is a kind of vacuum valve, and is used for adjusting the air flow and cutting off or connecting the elements of the pipeline. The vacuum gate valve in the prior art comprises a valve body and a pneumatic propulsion mechanism, wherein flanges are arranged on two opposite outer side surfaces of the valve body, the valve body is provided with two coaxial valve ports, a valve core is arranged in the valve body, the valve core is often pushed to the valve ports through an air cylinder shaft or a hinge mechanism, then a cam is used for tightly propping a sealing plate to seal the valve ports, and at the moment, fluid cannot pass through a pipeline; or the valve core is driven to be far away from the valve port through the cylinder shaft or the hinge mechanism, and at the moment, fluid can pass through the pipeline, so that the pipeline is switched on and off.
The pneumatic propulsion mechanism of the vacuum valve in the prior art comprises a cylinder, a cylinder connecting cylinder and a corrugated pipe welding piece, wherein a cylinder piston and a cylinder front end cover are installed in a cylinder barrel of the cylinder, the corrugated pipe welding piece is penetrated through by a corrugated pipe connecting rod, the corrugated pipe connecting rod is connected with the cylinder piston shaft, and the cylinder connecting cylinder is formed by welding stainless steel parts. The bellows connecting rod is connected with the cylinder piston shaft, so that the overall length of the pneumatic propulsion mechanism is longer; the cylinder connecting cylinder is formed by welding stainless steel parts, so that the cost is high, surface treatment is needed at the later stage, and the production period is long; and there is not any buffer in the cylinder, when closing the vacuum valve, the cylinder piston can move to the cylinder front end cover fast, can produce great vibration and noise because of inertia and collision's reason.
In summary, the pneumatic propulsion mechanism of the vacuum valve in the prior art has the problems of long overall length, high cost and large vibration and noise generation. Therefore, there is a strong need for a pneumatic vacuum valve propulsion mechanism that can reduce overall length, production cost, vibration and noise.
SUMMERY OF THE UTILITY MODEL
Based on above problem, an object of the utility model is to provide a pneumatic propulsion structure that vacuum valve used for solving among the prior art vacuum valve's pneumatic propulsion mechanism has that whole length is long, with high costs, produces the problem of great vibration and noise.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the pneumatic propulsion structure for the vacuum valve comprises an air cylinder barrel, wherein an air cylinder front end cover and an air cylinder piston are installed in the air cylinder barrel, a corrugated pipe connecting rod is connected onto the air cylinder piston, a guide mechanism is connected onto the corrugated pipe connecting rod, the front end of the air cylinder barrel is connected with an air cylinder connecting plate, a front buffer mechanism is installed on one side, close to the guide mechanism, of the air cylinder connecting plate, and a rear buffer mechanism is installed on one side, close to the air cylinder front end cover, of the air cylinder piston.
Preferably, the guide mechanism includes a guide cylinder attached to the bellows connecting rod, and a guide ring is attached to a circumferential surface of the guide cylinder.
As a preferable mode, the front buffer mechanism comprises a buffer ring installed on the side surface of the cylinder connecting plate, and a front buffer rubber pad is installed on the buffer ring.
As a preferable mode, the cylinder connecting plate is connected with the buffer ring through a screw, a front mounting groove is formed in the side surface of the buffer ring, and the front buffer rubber pad is mounted in the front mounting groove.
Preferably, the rear cushion mechanism comprises a rear cushion rubber pad mounted on the cylinder piston.
Preferably, a rear mounting groove is formed in a side surface of the cylinder piston, and the rear cushion rubber pad is mounted in the rear mounting groove.
The utility model has the advantages as follows:
(1) the cylinder barrel of the air cylinder is lengthened and is directly connected with the cylinder connecting plate, so that the original cylinder connecting barrel can be replaced, and the cylinder connecting barrel is reduced, thereby reducing the production cost; the bellows connecting rod is directly connected to the cylinder piston, so that the overall length of the pneumatic propulsion mechanism can be effectively reduced; the double buffering mechanisms of the front buffering mechanism and the rear buffering mechanism can effectively reduce the vibration and noise of the vacuum valve when the vacuum valve is closed.
(2) The utility model discloses in through having increased guide cylinder and guide ring, the cylinder can more stable direction at the in-process of motion, so can improve vacuum valve opening, close stability and the reliability of in-process.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the present invention at B of FIG. 1;
reference numerals: the air cylinder comprises an air cylinder barrel 1, a guide cylinder 2, a guide ring 3, a cylinder connecting plate 4, a corrugated pipe connecting rod 5, a buffer ring 6, a mounting hole before 61, a buffer rubber mat before 7, an air cylinder front end cover 8, a buffer rubber mat after 9, an air cylinder piston 10 and a mounting hole after 101.
Detailed Description
For a better understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the following embodiments.
Example 1:
as shown in figure 1, a pneumatic propulsion structure for a vacuum valve comprises a cylinder barrel 1, a cylinder front end cover 8 and a cylinder piston 10 are installed in the cylinder barrel 1, a corrugated pipe connecting rod 5 is connected to the cylinder piston 10, a guide mechanism is connected to the corrugated pipe connecting rod 5, the front end of the cylinder barrel 1 is connected with a cylinder connecting plate 4, a front buffer mechanism is installed on one side, close to the guide mechanism, of the cylinder connecting plate 4, and a rear buffer mechanism is installed on one side, close to the cylinder front end cover 8, of the cylinder piston 10.
The working principle is as follows: the cylinder barrel 1 is lengthened and is directly connected with the cylinder connecting plate 4 on a valve product, so that the original cylinder connecting barrel can be replaced, the cylinder connecting barrel is formed by welding stainless steel parts, the cost is high, the surface treatment is needed in the later period, the production period is long, the cylinder barrel 1 belongs to standard aluminum profiles, the cylinder barrel can be purchased on the market according to the length requirement, the surface treatment is not needed, and therefore the purposes of reducing the cost and shortening the production period are achieved.
The bellows connecting rod 5 is directly connected to the cylinder piston 10, rather than the bellows connecting rod 5 being connected to the piston shaft of a standard cylinder as in the prior art, the overall length of the pneumatic propulsion mechanism can be effectively reduced by the design.
When closing the vacuum valve, cylinder piston 10 can be fast to 8 motion of cylinder front end housing, when the valve is close soon, the front end plane of guiding mechanism contacts earlier with preceding buffer gear, plays certain effect of inhaling the vibrations and slowing down the rate of motion, and cylinder piston 10 continues the motion, and this moment and the last back buffer gear of cylinder piston 10 again with 8 contacts of cylinder front end housing, inhale again and slow down the rate of motion, finally reach and let the valve have less vibration and noise when closing.
Example 2:
as shown in fig. 1 to 3, this embodiment gives a preferable structure of the guide mechanism, the front cushion mechanism and the rear cushion mechanism on the basis of the above embodiment 1. Namely, the guide mechanism comprises a guide cylinder 2 arranged on a corrugated pipe connecting rod 5, and a guide ring 3 is arranged on the circumferential surface of the guide cylinder 2. The guide cylinder 2 and the guide ring 3 are added for more stable guide in the moving process of the cylinder, so that the stability and the reliability of the vacuum valve in the opening and closing processes can be improved.
The front buffer mechanism comprises a buffer ring 6 arranged on the side surface of the cylinder connecting plate 4, a front buffer rubber pad 7 is arranged on the buffer ring 6, the cylinder connecting plate 4 is connected with the buffer ring 6 through a screw, a front mounting groove 61 is formed in the side surface of the buffer ring 6, and the front buffer rubber pad 7 is mounted in the front mounting groove 61; the rear buffering mechanism comprises a rear buffering rubber pad 9 installed on a cylinder piston 10, a rear installation groove 101 is formed in the side face of the cylinder piston 10, and the rear buffering rubber pad 9 is installed in the rear installation groove 101. When closing vacuum valve, cylinder piston 10 can be fast to 8 motion of cylinder front end housing, when the valve is close soon, 2 front end planes of guide cylinder contact earlier with preceding buffering cushion 7 on the buffer ring 6, play certain effect of inhaling the vibrations and slowing down the rate of motion, cylinder piston 10 continues the motion, and at this moment and back buffering cushion 9 on the cylinder piston 10 again can contact with cylinder front end housing 8, inhale the vibrations again and slow down the rate of motion, finally reach and let the valve have less vibration and noise when closing.
The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and drawings of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a pneumatic propulsion structure that vacuum valve used, includes cylinder (1), install cylinder front end housing (8) and cylinder piston (10), its characterized in that in cylinder (1): the corrugated pipe type air cylinder is characterized in that a corrugated pipe connecting rod (5) is connected onto the air cylinder piston (10), a guide mechanism is connected onto the corrugated pipe connecting rod (5), an air cylinder connecting plate (4) is connected to the front end of the air cylinder barrel (1), a front buffer mechanism is installed on one side, close to the guide mechanism, of the air cylinder connecting plate (4), and a rear buffer mechanism is installed on one side, close to the air cylinder front end cover (8), of the air cylinder piston (10).
2. The pneumatic propelling structure for the vacuum valve according to claim 1, wherein: the guide mechanism comprises a guide cylinder (2) arranged on a corrugated pipe connecting rod (5), and a guide ring (3) is arranged on the circumferential surface of the guide cylinder (2).
3. The pneumatic propelling structure for the vacuum valve according to claim 1, wherein: the front buffer mechanism comprises a buffer ring (6) arranged on the side surface of the cylinder connecting plate (4), and a front buffer rubber pad (7) is arranged on the buffer ring (6).
4. A pneumatic propulsion structure for a vacuum valve according to claim 3, characterized in that: the cylinder connecting plate (4) is connected with the buffering ring (6) through screws, a front mounting groove (61) is formed in the side face of the buffering ring (6), and the front buffering rubber mat (7) is mounted in the front mounting groove (61).
5. The pneumatic propelling structure for the vacuum valve according to claim 1, wherein: the rear buffering mechanism comprises a rear buffering rubber pad (9) arranged on a cylinder piston (10).
6. The pneumatic propelling structure for the vacuum valve according to claim 5, wherein: the side of cylinder piston (10) is opened has back mounting groove (101), back buffering cushion (9) are installed in back mounting groove (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395249.4U CN212718082U (en) | 2020-07-15 | 2020-07-15 | Pneumatic propulsion structure for vacuum valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395249.4U CN212718082U (en) | 2020-07-15 | 2020-07-15 | Pneumatic propulsion structure for vacuum valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212718082U true CN212718082U (en) | 2021-03-16 |
Family
ID=74907634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021395249.4U Active CN212718082U (en) | 2020-07-15 | 2020-07-15 | Pneumatic propulsion structure for vacuum valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212718082U (en) |
-
2020
- 2020-07-15 CN CN202021395249.4U patent/CN212718082U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206017968U (en) | A kind of valve used pneumatic actuator of novel belt buffer structure | |
| CN101251203B (en) | Check valve | |
| CN212718082U (en) | Pneumatic propulsion structure for vacuum valve | |
| CN202100821U (en) | High-performance delay-close check valve | |
| CN209129962U (en) | A kind of double sealing piston structure door pump cylinder | |
| CN111706687B (en) | Ultrahigh vacuum pneumatic gate valve | |
| CN207485546U (en) | A kind of new lever type exhaust brake valve | |
| CN211370537U (en) | Air release valve structure of double-flow-passage turbocharger and double-flow-passage turbocharger | |
| CN208918739U (en) | A kind of bidirectional buffering piston | |
| CN211714850U (en) | Compact furniture buffering hinge | |
| CN216478994U (en) | Argon arc welds two guarantor and welds throttle valve structure | |
| CN202432029U (en) | Swing slow closing check valve | |
| CN1407229A (en) | Valve for controlling large cross sectional flow of compressor or similarities | |
| CN207583144U (en) | A kind of hydraulic pressure door hinge | |
| CN211779136U (en) | Oil-free screw compressor and air inlet valve thereof | |
| CN201090799Y (en) | Energy change type slow closing non-return butterfly valve | |
| CN218935384U (en) | Built-in oil cylinder type check valve | |
| KR20090024395A (en) | Globe valve with straight flow path | |
| CN2440996Y (en) | Partly sustained pneumatic device for rotary valve | |
| CN215805041U (en) | Low-resistance one-way valve reciprocating pump | |
| CN214404780U (en) | Negative pressure control device, cigarette machine barrel adsorption control device and cigarette machine | |
| CN215109359U (en) | Air compressor machine amortization structure | |
| CN217976843U (en) | Hydraulic cylinder with guiding mechanism | |
| CN102278506B (en) | High-performance slow-shut check valve | |
| CN206707962U (en) | Pipeline optimizes vavuum pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |