CN206336281U - A kind of malleation sub-pressure conversion device - Google Patents
A kind of malleation sub-pressure conversion device Download PDFInfo
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- CN206336281U CN206336281U CN201621406931.2U CN201621406931U CN206336281U CN 206336281 U CN206336281 U CN 206336281U CN 201621406931 U CN201621406931 U CN 201621406931U CN 206336281 U CN206336281 U CN 206336281U
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- valve
- pipeline
- malleation
- vacuum
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Abstract
The utility model discloses a kind of malleation sub-pressure conversion device, including housing, vacuum generating device is integrated with described housing, valve, pressure switch, vacuum switch, the first magnetic valve and the second magnetic valve is pneumatically isolated；The first described magnetic valve is connected with vacuum generating device, and the end that vacuumizes of vacuum generating device is connected by pipeline I with the working interface on housing, and being in series with one on described pipeline I is pneumatically isolated valve；The second described magnetic valve is connected by pipeline II with pipeline I, and described pipeline II is in parallel with being pneumatically isolated valve；Vacuum switch is provided with positioned at the pipeline I being pneumatically isolated between valve and vacuum generating device, while this section of pipeline I of connecting line II and pneumatic isolating valve is provided with pressure switch.
Description
Technical field
The utility model discloses a kind of malleation sub-pressure conversion device.
Background technology
In EMUs in rotatable vacuum feces collecting device, that installs now realizes the device of malleation negative pressure translation function,
Realized by existing finished product assembling fittings, required installing space is larger, be not easy to safeguard, and cost is higher.
Utility model content
In order to solve technical problem present in prior art, the utility model discloses a kind of malleation negative pressure converting means
Put, the utility model is by by the integrated of finished product accessory functions, realizing required function.The device installing space is small, maintenance side
Just, and the cost of accessory is reduced.
The technical solution adopted in the utility model is as follows：
A kind of malleation sub-pressure conversion device, including housing, be integrated with described housing vacuum generating device, it is pneumatic every
From valve, pressure switch, vacuum switch, the first magnetic valve and the second magnetic valve；The first described magnetic valve and vacuum generating device
It is connected, the end that vacuumizes of vacuum generating device is connected by pipeline I with the working interface on housing, is connected on described pipeline I
There is one to be pneumatically isolated valve；The second described magnetic valve is connected by pipeline I I with pipeline I, and described pipeline I I with it is pneumatic
Isolating valve is in parallel；Vacuum switch is provided with positioned at the pipeline I being pneumatically isolated between valve and vacuum generating device, while connecting line
This section of pipeline I of I I and pneumatic isolating valve is provided with pressure switch.
Vacuum generating device can realize the generation of negative pressure；Turning for same working interface malleation negative pressure can be realized by being pneumatically isolated valve
Change；Pressure switch can realize the regulation of device demand malleation；Vacuum switch can realize the regulation of device demand vacuum.
Specific application method is as follows：
First magnetic valve and the second magnetic valve are connected with the first source of the gas, the second source of the gas respectively；
When system needs to perform evacuation cycle, the first solenoid valve conduction is pneumatically isolated valve opening, vacuum generating device
Start working, vacuum is produced at working interface, after vacuum reaches vacuum switch setting value, the first closed electromagnetic valve, knot
Beam evacuation cycle；
When system needs to add malleation, the second solenoid valve conduction, while being pneumatically isolated valve closing, compressed air passes through work
Interface enters system, after pressure reaches pressure switch setting value, the second closed electromagnetic valve, terminates pressurized circulation.
Further, described vacuum generating device connecting line I position is additionally provided with check valve；So that the second source of the gas
Gas can only outward flow along pipeline I11-1, and can not flow in the opposite direction.
Further, pressure gauge is additionally provided with this section of pipeline I of connecting line I I and pneumatic isolating valve while described,
Gas pressure can be observed by setting pressure gauge.
Further, described vacuum generating device is connected with the aeration opening positioned at housing bottom.
Further, the first described magnetic valve and the second magnetic valve respectively with the first gas source interface positioned at case top
It is connected with the second gas source interface.
Further, the described valve that is pneumatically isolated is connected with the pneumatic operated valve air feed interface on housing exterior walls.
The beneficial effects of the utility model are as follows：
Vacuum generating device of the present utility model can realize the generation of negative pressure；Same working interface can be realized by being pneumatically isolated valve
The conversion of malleation negative pressure；Pressure switch can realize the regulation of device demand malleation；Vacuum switch can realize device demand vacuum
Regulation.
The utility model integral layout is rationally, easy to maintenance.Rationally, perfect in shape and function, reliability is high for system design.This practicality
It is new have economize on resources, be moved easily, the relatively good feature of reliability maintenance.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is utility model works schematic diagram；
Fig. 2 is the utility model malleation sub-pressure conversion device composition front view；
Fig. 3 is the utility model malleation sub-pressure conversion device composition side view；
In figure：1 pressure switch, 2-1 magnetic valves, 2-2 magnetic valves, 3 are pneumatically isolated valve, and 4 vacuum switches, 5 vacuum are filled
Put, 6 first gas source interfaces, 7 second gas source interfaces, 8 working interfaces, 9 pneumatic operated valve air feed interfaces, 10 aeration openings, 11-1 pipeline I,
11-2 pipelines II, 12 check valves.
Embodiment
The utility model is described in detail 1-3 below in conjunction with the accompanying drawings：
As shown in figure 1, for schematic diagram of the present utility model, the core component of malleation sub-pressure conversion device includes vacuum
Device 5, it is pneumatically isolated valve 3, pressure switch 1, vacuum switch 4, magnetic valve 2-1 and magnetic valve 2-2；Described magnetic valve 2-2 with
Vacuum generating device 5 is connected, and the end that vacuumizes of vacuum generating device 5 passes through pipeline I 11-1 and the phase of working interface 8 on housing
Even, it is in series with one on described pipeline I 11-1 and is pneumatically isolated valve 3；Described magnetic valve 2-1 passes through pipeline II 11-2 and pipe
Road I 11-1 are connected, and described pipeline II 11-2 are in parallel with being pneumatically isolated valve 3；Filled positioned at valve 3 is pneumatically isolated with vacuum
The pipeline I 11-1 put between 5 are provided with vacuum switch 4, while this section of pipeline of connecting line II 11-2 and pneumatic isolating valve 3
I 11-1 are provided with pressure switch 1.
Vacuum generating device of the present utility model can realize the generation of negative pressure；Same working interface can be realized by being pneumatically isolated valve
The normal conversion of malleation and negative pressure, thus it is higher relative to existing device integrated level；Pressure switch can realize device demand
The regulation of malleation；Vacuum switch can realize the regulation of device demand vacuum.
Specific mounting structure figure is as shown in Figure 2 and Figure 3：Including a housing, connect at the top of housing provided with the first source of the gas
The 6, second gas source interface 7 of mouth；The first described gas source interface 6 is connected with magnetic valve 2-1；Second gas source interface and magnetic valve 2-2
It is connected；Vacuum generating device 5, it is pneumatically isolated valve 3, pressure switch 1, vacuum switch 4, magnetic valve 2-1 and magnetic valve 2-2 and is integrated in
In housing；And be pneumatically isolated valve and be connected with the pneumatic operated valve air feed interface 9 on housing, the exhaust outlet and housing of vacuum generating device 5
On aeration opening 10 be connected.
Specific application method is as follows：
First magnetic valve and the second magnetic valve are connected with the first source of the gas, the second source of the gas respectively；
When system needs to perform evacuation cycle, magnetic valve 2-2 conductings, vacuum generating device 5 is started working, in work
Vacuum is produced at interface 8, after vacuum reaches 4 setting value of vacuum switch, magnetic valve 2-2 is closed, and terminates evacuation cycle.
When system needs to add malleation, magnetic valve 2-1 conductings are closed, compressed air passes through work while being pneumatically isolated valve 3
Interface 8 enters system, after pressure reaches 1 setting value of pressure switch, and magnetic valve 2-1 is closed, and terminates pressurized circulation.
Further, described vacuum generating device connecting line I 11-1 position is additionally provided with check valve 12 so that the
The gas of two sources of the gas can only outward flow along pipeline I11-1, and can not flow in the opposite direction.
Further, pressure gauge is additionally provided with this section of pipeline I of connecting line II and pneumatic isolating valve while described, is led to
Crossing setting pressure gauge can observe gas pressure.
The utility model is by by the integrated of finished product accessory functions, realizing required function.The device installing space is small, dimension
Shield is convenient, and reduces the cost of accessory.
It is not new to this practicality although above-mentioned embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deform still in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of malleation sub-pressure conversion device, including housing, it is characterised in that：Vacuum is integrated with described housing to fill
Put, be pneumatically isolated valve, pressure switch, vacuum switch, the first magnetic valve and the second magnetic valve；The first described magnetic valve and vacuum
Generating means is connected, and the end that vacuumizes of vacuum generating device is connected by pipeline I with the working interface on housing, described pipeline
One is in series with I and is pneumatically isolated valve；The second described magnetic valve is connected by pipeline II with pipeline I, and described pipeline II
It is in parallel with being pneumatically isolated valve；Vacuum switch is provided with positioned at the pipeline I being pneumatically isolated between valve and vacuum generating device, is connected simultaneously
This section of pipeline I for taking over road II and pneumatic isolating valve is provided with pressure switch.
2. malleation sub-pressure conversion device as claimed in claim 1, it is characterised in that：Described vacuum generating device connecting line
I position is additionally provided with check valve.
3. malleation sub-pressure conversion device as claimed in claim 1, it is characterised in that：Connecting line II and pneumatic while described
Pressure gauge is additionally provided with this section of pipeline I of isolating valve.
4. malleation sub-pressure conversion device as claimed in claim 1, it is characterised in that：Described vacuum generating device is with being located at shell
The aeration opening of body bottom is connected.
5. malleation sub-pressure conversion device as claimed in claim 1, it is characterised in that：Described the first magnetic valve and the second electromagnetism
Valve is connected with the first gas source interface and the second gas source interface positioned at case top respectively.
6. malleation sub-pressure conversion device as claimed in claim 1, it is characterised in that：Described is pneumatically isolated valve with being located at housing
Pneumatic operated valve air feed interface on outer wall is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406931.2U CN206336281U (en) | 2016-12-21 | 2016-12-21 | A kind of malleation sub-pressure conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406931.2U CN206336281U (en) | 2016-12-21 | 2016-12-21 | A kind of malleation sub-pressure conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206336281U true CN206336281U (en) | 2017-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621406931.2U Active CN206336281U (en) | 2016-12-21 | 2016-12-21 | A kind of malleation sub-pressure conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206336281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740941A (en) * | 2016-12-21 | 2017-05-31 | 山东中车华腾环保科技有限公司 | A kind of malleation sub-pressure conversion device and method |
-
2016
- 2016-12-21 CN CN201621406931.2U patent/CN206336281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740941A (en) * | 2016-12-21 | 2017-05-31 | 山东中车华腾环保科技有限公司 | A kind of malleation sub-pressure conversion device and method |
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