CN203430747U - Novel suction and exhaust valve - Google Patents
Novel suction and exhaust valve Download PDFInfo
- Publication number
- CN203430747U CN203430747U CN201320510925.1U CN201320510925U CN203430747U CN 203430747 U CN203430747 U CN 203430747U CN 201320510925 U CN201320510925 U CN 201320510925U CN 203430747 U CN203430747 U CN 203430747U
- Authority
- CN
- China
- Prior art keywords
- valve
- air
- exhaust valve
- exhaust
- cavity
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a novel suction and exhaust valve. The suction and exhaust valve is provided with an air suction valve and an exhaust valve which are combined together. The suction and exhaust valve is arranged inside an air cylinder, and particularly arranged at the position, close to a diaphragm cavity. The valve play flow velocity is decreased, the clearance volume is increased, the gas flow regulation effect of the diaphragm cavity is improved, meanwhile, the maintenance of a compressor is further facilitated, the sealing property of the cylinder body structure is improved, and the reliability of a high pressure or ultrahigh pressure diaphragm compressor is improved.
Description
Technical field
The utility model relates to a kind of novel air inlet-exhaust valve, and this air inlet-exhaust valve is used in the air cylinder structure of diaphragm type compressor.
Background technique
Diaphragm type compressor is a kind of positive displacement compressor, by its structural characteristics, determines that it has two large features: compression ratio is large, good airproof performance, and this is the vitality place of diaphragm type compressor just also.Its groundwork principle is: reciprocating by driving mechanism driven plunger or plunger, piston or plunger promote fluid (fluid cannot compress) the drive diaphragm pressurized gas in oil cylinder, in film chamber, the volume of gas has obtained change, has realized the object of gas compression under the cooperation of suction, outlet valve.In order to allow the pressure of fluid be evenly distributed in diaphragm oil side, make diaphragm efficiency operation, many apertures have distributed on the oil distribution casing of film chamber one side.
The compression cylinder structure of existing diaphragm type compressor, by cylinder cap, diaphragm (containing a plurality of diaphragms), the parts such as oil distribution casing and cylinder body form, in cylinder body, be provided with oil cylinder, in cylinder cap, be provided with cylinder, match and be provided with suction with cylinder, outlet valve, inhale, outlet valve is be installed separately or on pipeline, increase air inlet-exhaust valve outside, as shown in Figure 1, outlet valve 13 and Aspirating valves 14 are installed separately on cylinder cap 3, outlet valve 13 is provided with exhaust valve cap 13-1 and the exhaust valve 13-2 being connected, between exhaust valve cap 13-1 and exhaust valve 13-2, be provided with valve pocket, in valve pocket, be provided with spring 13-3 and valve block 13-4, Aspirating valves 14 is provided with intake valve body 14-3, in intake valve body 14-3, is provided with valve pocket, is provided with spring 14-2 and valve block 14-4 in valve pocket, and valve block 14-4 is T font, and tail end is provided with valve pin 14-1 and packing ring and spring 14-2 combination.
Suction in existing structure, outlet valve film chamber is sucked and the Flow-rate adjustment effect of pressurized gas bad, often cannot realize compressor normal flow rate demand, reduced the compression performance of compressor.In order to improve the exhaust efficiency of diaphragm type compressor, must reasonably control the problem of valve gap flow and relative clearance volume well, in existing structure, exist valve gap flow compared with problem large and that relative clearance volume is less.
Model utility content
For the problem existing in background technique, the utility model provides a kind of novel air inlet-exhaust valve, this air inlet-exhaust valve is by Aspirating valves and the combined integrated design of outlet valve, this air inlet-exhaust valve is arranged on cylinder interior, specifically be arranged on the position near film chamber, reduce valve gap flow and improved clearance volume, improved film chamber gas flow regulating effect.
The purpose of this utility model is achieved through the following technical solutions:
A kind of novel air inlet-exhaust valve, be provided with Aspirating valves and the outlet valve combined, described air inlet-exhaust valve is arranged in the cylinder cap of diaphragm type compressor, described Aspirating valves is provided with air-breathing valve gap and intake valve body, between air-breathing valve gap and intake valve body, be provided with air aspiration cavity, in air aspiration cavity, be provided with the first valve block and the first spring, Aspirating valves covers and is provided with the first air-flow path that is communicated with diaphragm type compressor film chamber and air aspiration cavity, on intake valve body, be provided with the second air-flow path that is communicated with diaphragm type compressor air intake passage and air aspiration cavity, described the first valve block seals the second air-flow path under the pushing tow of the first spring.
Described outlet valve is provided with exhaust valve cap and exhaust valve, exhaust valve is connected and combines with described intake valve body, between exhaust valve cap and exhaust valve, be provided with exhaust cavity, in exhaust cavity, be provided with the second valve block and the second spring, on exhaust valve cap, be provided with the 3rd air-flow path that is communicated with diaphragm type compressor exhaust passage and exhaust cavity.
On described intake valve body, be also provided with the 4th air-flow path that is communicated with described air aspiration cavity and exhaust cavity, described the second valve block seals the 4th air-flow path under the pushing tow of the second spring.
Further, described air-breathing valve gap and intake valve body are threaded connection, and are also provided with seal washer sealing between the two.
Further, described exhaust valve cap and exhaust valve are threaded connection.
Further, described intake valve body and exhaust valve are threaded connection, and are also provided with seal washer sealing between the two.
The utlity model has following positive technique effect:
The utility model, by Aspirating valves and the combined integrated design of outlet valve, is arranged on diaphragm type compressor cylinder bottom, and the position near film chamber, has reduced valve gap flow and improved clearance volume, has improved diaphragm type compressor gas flow regulating power; Also facilitate the maintenance of compressor simultaneously, improved the sealability of housing structure, improved the reliability of high pressure or ultrahigh pressure diaphragm type compressor.
Accompanying drawing explanation
Fig. 1 is the mounting structure figure of Aspirating valves and outlet valve in prior art;
Fig. 2 is the mounting structure figure of the utility model on diaphragm type compressor;
Fig. 3 is the structural drawing of the utility model air inlet-exhaust valve.
In Fig. 1-3: 1. cylinder body, 2. oil distribution casing, 3. cylinder cap, 4. press nut, 5. cylinder, 6. bolt, 7. diaphragm, 8. seal ring, 9. oil cylinder, 10. air inlet-exhaust valve, 10-1. exhaust valve cap, 10-2. exhaust valve, 10-3. intake valve body, 10-4. air-breathing valve gap, 10-5. spring, 10-6. valve block, 10-7. valve block, 10-8. spring, 11. composite pressure plates, 12. air intake passages, 13. outlet valves, 13-1. exhaust valve cap, 13-2. exhaust valve, 13-3. spring, 13-4. valve block, 14. Aspirating valvess, 14-1. valve pin, 14-2. spring, 14-3. intake valve body, 14-4. valve block.
Embodiment
For further setting forth the utility model, be to reach technological means and the effect that predetermined model utility object is taked, below in conjunction with accompanying drawing and preferred embodiment, structure of the present utility model, workflow be described in detail as follows.
Air inlet-exhaust valve of the present utility model is arranged on diaphragm type compressor, diaphragm type compressor as shown in Figure 2, be provided with compression cylinder, compression cylinder comprises cylinder body 1, cylinder cap 3, in cylinder cap 3, be provided with cylinder 5, on cylinder body 1 and cylinder cap 3, be provided with the air-flow path 12 of connection, air-flow path 12 is communicated with outside source of the gas to be compressed; In cylinder 5 bottoms, be provided with air inlet-exhaust valve 10, air inlet-exhaust valve 10 sucks gas to be compressed by air-flow path 12, the gas of discharging after compression by cylinder 5.
Air inlet-exhaust valve 10 is arranged on to cylinder 5 bottoms, near the position in film chamber, has improved diaphragm type compressor gas flow regulating power; Cylinder cap 3 adopts 316L stainless steel, and anti-hydrogen embrittlement performance is good, and cylinder cap 3 tops are provided with the composite pressure plate 11 that mechanical strength is high, have improved the bulk strength of housing structure, particularly outstanding to the effect of high pressure or ultrahigh pressure diaphragm type compressor.
Be illustrated in figure 3 the topology view of the utility model air inlet-exhaust valve, air inlet-exhaust valve 10 is provided with Aspirating valves and the outlet valve of combining, described Aspirating valves is provided with air-breathing valve gap 10-4 and intake valve body 10-3, between air-breathing valve gap 10-4 and intake valve body 10-3, be provided with air aspiration cavity, in air aspiration cavity, be provided with valve block 10-6 and spring 10-5, on air-breathing valve gap 10-4, be provided with the first air-flow path that is communicated with diaphragm type compressor film chamber and air aspiration cavity, on intake valve body 10-3, be provided with the second air-flow path that is communicated with diaphragm type compressor air intake passage and air aspiration cavity, valve block 10-6 seals the second air-flow path under the pushing tow of spring 10-5.
As shown in Figure 3, described outlet valve is provided with exhaust valve cap 10-1 and exhaust valve 10-2, exhaust valve 10-2 is connected and combines with intake valve body 10-3, between exhaust valve cap 10-1 and exhaust valve 10-2, be provided with exhaust cavity, in exhaust cavity, be provided with valve block 10-7 and spring 10-8, on exhaust valve cap 10-1, be provided with the 3rd air-flow path that is communicated with diaphragm type compressor exhaust passage and exhaust cavity.
As shown in Figure 3, be also provided with the 4th air-flow path that is communicated with described air aspiration cavity and exhaust cavity on intake valve body 10-3, valve block 10-7 seals the 4th air-flow path under the pushing tow of spring 10-8.
As shown in Figure 3, air-breathing valve gap 10-4 and intake valve body 10-3 are threaded connection, and are also provided with seal washer sealing between the two.
As shown in Figure 3, exhaust valve cap 10-1 and exhaust valve 10-2 are threaded connection.
As shown in Figure 3, intake valve body 10-3 and exhaust valve 10-2 are threaded connection, and are also provided with seal washer sealing between the two.
Above described just for the utility model is described, is construed as the utility model and is not limited to above embodiment, meet the various flexible form of the utility model thought all within protection domain of the present utility model.
Claims (4)
1. a novel air inlet-exhaust valve, be provided with Aspirating valves and the outlet valve combined, described air inlet-exhaust valve is arranged in the cylinder cap of diaphragm type compressor, it is characterized in that, described Aspirating valves is provided with air-breathing valve gap and intake valve body, between air-breathing valve gap and intake valve body, be provided with air aspiration cavity, in air aspiration cavity, be provided with the first valve block and the first spring, Aspirating valves covers and is provided with the first air-flow path that is communicated with diaphragm type compressor film chamber and air aspiration cavity, on intake valve body, be provided with the second air-flow path that is communicated with diaphragm type compressor air intake passage and air aspiration cavity, described the first valve block seals the second air-flow path under the pushing tow of the first spring,
Described outlet valve is provided with exhaust valve cap and exhaust valve, exhaust valve is connected and combines with described intake valve body, between exhaust valve cap and exhaust valve, be provided with exhaust cavity, in exhaust cavity, be provided with the second valve block and the second spring, on exhaust valve cap, be provided with the 3rd air-flow path that is communicated with diaphragm type compressor exhaust passage and exhaust cavity;
On described intake valve body, be also provided with the 4th air-flow path that is communicated with described air aspiration cavity and exhaust cavity, described the second valve block seals the 4th air-flow path under the pushing tow of the second spring.
2. air inlet-exhaust valve as claimed in claim 1, is characterized in that, described air-breathing valve gap and intake valve body are threaded connection, and is also provided with seal washer sealing between the two.
3. air inlet-exhaust valve as claimed in claim 1, is characterized in that, described exhaust valve cap and exhaust valve are threaded connection.
4. air inlet-exhaust valve as claimed in claim 1, is characterized in that, described intake valve body and exhaust valve are threaded connection, and is also provided with seal washer sealing between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320510925.1U CN203430747U (en) | 2013-08-21 | 2013-08-21 | Novel suction and exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320510925.1U CN203430747U (en) | 2013-08-21 | 2013-08-21 | Novel suction and exhaust valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430747U true CN203430747U (en) | 2014-02-12 |
Family
ID=50059791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320510925.1U Expired - Fee Related CN203430747U (en) | 2013-08-21 | 2013-08-21 | Novel suction and exhaust valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430747U (en) |
-
2013
- 2013-08-21 CN CN201320510925.1U patent/CN203430747U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201843759U (en) | Air pump | |
| CN107642680B (en) | A kind of intelligent miniature vacuum and pressurization air source module | |
| CN204692645U (en) | A kind of without hindrance blowdown valve of wafer type vacuum for the clog-free discharge of sewage | |
| CN203430747U (en) | Novel suction and exhaust valve | |
| CN203394744U (en) | Novel diaphragm compressor | |
| CN101852227A (en) | Powerful cylinder | |
| CN203730240U (en) | Automotive double-cylinder two-stage air compressor | |
| CN202972028U (en) | Combined control valve of oxygenerator | |
| CN111749868A (en) | Compression device suitable for high inlet pressure | |
| CN201794759U (en) | Compressor cylinder | |
| CN202946342U (en) | Oil-free compressor | |
| CN201241809Y (en) | Air compressor reed valve cylinder cap for automobile | |
| CN105650302B (en) | Autoclave diaphragm valve with counter balance pocket | |
| CN103629092B (en) | A kind of double-stage gas-exhaust membrane pump | |
| CN102678518A (en) | Engine supercharging system | |
| CN201078325Y (en) | Diaphragm compressor with new type gas cylinder seal structure | |
| CN102292547A (en) | Hermetic compressor | |
| CN201835957U (en) | Force-boosting, pressure-boosting manual fuel pump | |
| CN206801828U (en) | A kind of valve plate for Vehicular electric diaphragm vavuum pump | |
| CN1789715A (en) | Leakless device for plunger pump | |
| CN217300803U (en) | Two-stage air compression device and base structure thereof | |
| CN203175815U (en) | Pneumatic diaphragm pump | |
| CN201502523U (en) | Connecting device for pump body and scavenging valve | |
| CN204592338U (en) | The intaking valve structure of compressor | |
| CN201071796Y (en) | Single piston driving multi-film cavity septum compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20180821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |