CN203783989U - Air ejector vacuum pump - Google Patents
Air ejector vacuum pump Download PDFInfo
- Publication number
- CN203783989U CN203783989U CN201420181878.5U CN201420181878U CN203783989U CN 203783989 U CN203783989 U CN 203783989U CN 201420181878 U CN201420181878 U CN 201420181878U CN 203783989 U CN203783989 U CN 203783989U
- Authority
- CN
- China
- Prior art keywords
- air
- pump housing
- sucking pipe
- boss
- supporting sleeve
- 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
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model relates to an air ejector vacuum pump. The air ejector vacuum pump is designed to mainly solve the problems that an existing air ejector vacuum pump is inconvenient to install and the like. The ejector vacuum pump comprises suction end covers, exhaust end covers, a pump body, a base, compressed air chambers and compressed air inlets. The pump body is formed by connecting a plurality of single pump bodies, and a boss at the top of each single pump body is clamped to a groove in the bottom of the corresponding single pump body located above the corresponding boss. The tops of air suction pipes inside the single pump bodies are connected with the suction end covers, and the bottoms are arranged on a base boss in a sleeved mode. An air nozzle inside the cavity of each single pump body is communicated with the corresponding compressed air chamber, the air nozzles are connected with venturi tubes through supporting sleeves, the venturi tubes are connected with mufflers through supporting sleeves, the mufflers are connected with the pump body and the base, the supporting sleeves are provided with air inlet holes, the air suction pipes are provided with air suction openings, a valve body of an annular rubber one-way valve is arranged in an annular groove in the pipe wall outside each air suction pipe, each annular valve body is provided with a plurality of valve blocks, and the valve blocks block air suction openings in the air suction pipes. The air ejector vacuum pump has the advantage of being convenient to install.
Description
Technical field:
The utility model relates to a kind of air injection vacuum pump.
Background technique:
Existing air injection vacuum pump complex structure, is not easy to processing and installs, fragile, inconvenient maintenance after damaging, and cost of production is high in addition.
Summary of the invention:
Technical problem to be solved in the utility model is to provide one and is convenient to processing and installs, not fragile, the air injection vacuum pump of long service life.
Above-mentioned purpose is achieved in that it comprises air-breathing end cap, exhaust end cover, the pump housing and base, described air-breathing end cap is fixed on the top of the pump housing, described exhaust end cover is fixed on the bottom of the pump housing, there is air intake passage in the central authorities of air-breathing end cap, there is exhaust passage in the central authorities of exhaust end cover, in described air-breathing end cap, be provided with annular delivery air chamber, the compressed air inlet that suction end covers is connected with delivery air chamber, it is characterized in that: the described pump housing is formed by connecting by the identical monomer pump housing of several structures, the top of each monomer pump housing is provided with boss, the bottom of each monomer pump housing is provided with groove, the boss at each monomer pump housing top is stuck in the groove of monomer pump housing bottom of the side of being located thereon, the boss that is arranged in the top of the monomer pump housing of the top is stuck in the groove of air-breathing end cap bottom, the boss at exhaust end cover top is stuck in and is arranged in the groove of the monomer pump housing bottom of below, the joint of each boss and groove all seals by O RunddichtringO, in each monomer pump housing, be provided with several axial cavitys, also comprise sucking pipe, sucking pipe is arranged in the pump housing, the top of sucking pipe and air-breathing end cap are connected and fixed, the top of base is provided with the round boss identical with sucking pipe internal diameter size, the bottom of sucking pipe is enclosed within on the round boss of base, between the bottom of sucking pipe and the round boss of base, is provided with O RunddichtringO, the each cavity that is positioned at the monomer pump housing of the top is equipped with an air nozzle, the inlet end of each air nozzle is connected with annular delivery air chamber, there is a Venturi tube below of each air nozzle, the Venturi tube of each air nozzle and its below links together by supporting sleeve, there is a baffler below of each Venturi tube, the baffler of each Venturi tube and its below also links together by supporting sleeve, the bottom of each baffler is all connected and fixed with the pump housing and base, the air outlet of baffler is connected with the exhaust passage of exhaust end cover, between each supporting sleeve and sucking pipe tube wall, leave gap, each supporting sleeve is provided with several inlet holes, sucking pipe with the tube wall at each supporting sleeve opposite position place on have intakeport, the outer tube wall of sucking pipe intakeport top is provided with annular groove, the annular valve body of ring-shaped rubber one-way valve is arranged in the annular groove on sucking pipe outer tube wall, on annular valve body circumference, be evenly equipped with several valve blocks, the upper end of each valve block is fixed on annular valve body, between each adjacent valve block, leave distance, each valve block keeps off on the intakeport of sucking pipe.
Also can below described each Venturi tube, set up a Venturi tube, and set up again a supporting sleeve, each Venturi tube is connected by the supporting sleeve of setting up with the Venturi tube that its below is set up, and on the tube wall of each supporting sleeve position of setting up in sucking pipe correspondence, also has intakeport.
The utility model has the advantages that: because the pump housing is Split type structure, institute so that processing and install, simple in structure, easy to maintenance, cost of production is low, long service life.
Brief description of the drawings:
Fig. 1 is structural representation of the present utility model.
Embodiment:
With reference to accompanying drawing, it comprises air-breathing end cap 1, exhaust end cover 2, the pump housing 3 and base 4, described air-breathing end cap is fixed on the top of the pump housing, described exhaust end cover is fixed on the bottom of the pump housing, there is air intake passage in the central authorities of air-breathing end cap, there is exhaust passage in the central authorities of exhaust end cover, in described air-breathing end cap, are provided with annular delivery air chamber 5, and the compressed air inlet 6 that suction end covers is connected with delivery air chamber, it is characterized in that: the described pump housing 3 is formed by connecting by the identical monomer pump housing of several structures, the top of each monomer pump housing is provided with boss, the bottom of each monomer pump housing is provided with groove, the boss at each monomer pump housing top is stuck in the groove of monomer pump housing bottom of the side of being located thereon, the boss that is arranged in the top of the monomer pump housing of the top is stuck in the groove of air-breathing end cap bottom, the boss at exhaust end cover top is stuck in and is arranged in the groove of the monomer pump housing bottom of below, the joint of each boss and groove all seals by O RunddichtringO 7, in each monomer pump housing, be provided with several axial cavitys, also comprise sucking pipe 8, sucking pipe is arranged in the pump housing, the top of sucking pipe and air-breathing end cap are connected and fixed, the top of base is provided with the round boss identical with sucking pipe internal diameter size, the bottom of sucking pipe is enclosed within on the round boss of base, between the bottom of sucking pipe and the round boss of base, is provided with O RunddichtringO, the each cavity that is positioned at the monomer pump housing of the top is equipped with an air nozzle 9, the inlet end of each air nozzle is connected with annular delivery air chamber, there is a Venturi tube 10 below of each air nozzle, the Venturi tube of each air nozzle and its below links together by supporting sleeve 11, there is a baffler 12 below of each Venturi tube, the baffler of each Venturi tube and its below also links together by supporting sleeve, the bottom of each baffler is all connected and fixed with the pump housing and base, the air outlet of baffler is connected with the exhaust passage of exhaust end cover, between each supporting sleeve and sucking pipe tube wall, leave gap, each supporting sleeve is provided with several inlet holes 13, sucking pipe with the tube wall at each supporting sleeve opposite position place on have intakeport 14, the outer tube wall of sucking pipe intakeport top is provided with annular groove, the annular valve body of ring-shaped rubber one-way valve 15 is arranged in the annular groove on sucking pipe outer tube wall, on annular valve body circumference, be evenly equipped with several valve blocks, the upper end of each valve block is fixed on annular valve body, between each adjacent valve block, leave distance, each valve block keeps off on the intakeport of sucking pipe.
Also can below described each Venturi tube, set up a Venturi tube, and set up again a supporting sleeve, each Venturi tube is connected by the supporting sleeve of setting up with the Venturi tube that its below is set up, and on the tube wall of each supporting sleeve position of setting up in sucking pipe correspondence, also has intakeport.
Claims (2)
1. an air injection vacuum pump, comprise air-breathing end cap (1), exhaust end cover (2), the pump housing (3) and base (4), described air-breathing end cap is fixed on the top of the pump housing, described exhaust end cover is fixed on the bottom of the pump housing, there is air intake passage in the central authorities of air-breathing end cap, there is exhaust passage in the central authorities of exhaust end cover, in described air-breathing end cap, be provided with annular delivery air chamber (5), the compressed air inlet (6) that suction end covers is connected with delivery air chamber, it is characterized in that: the described pump housing (3) is formed by connecting by the identical monomer pump housing of several structures, the top of each monomer pump housing is provided with boss, the bottom of each monomer pump housing is provided with groove, the boss at each monomer pump housing top is stuck in the groove of monomer pump housing bottom of the side of being located thereon, the boss that is arranged in the monomer pump housing top of the top is stuck in the groove of air-breathing end cap bottom, the boss at exhaust end cover top is stuck in and is arranged in the groove of the monomer pump housing bottom of below, O RunddichtringO (7) sealing is all passed through in the joint of each boss and groove, in each monomer pump housing, be provided with several axial cavitys, also comprise sucking pipe (8), sucking pipe is arranged in the pump housing, the top of sucking pipe and air-breathing end cap are connected and fixed, the top of base is provided with the round boss identical with sucking pipe internal diameter size, the bottom of sucking pipe is enclosed within on the round boss of base, between the bottom of sucking pipe and the round boss of base, is provided with O RunddichtringO, the each cavity that is positioned at the monomer pump housing of the top is equipped with an air nozzle (9), the inlet end of each air nozzle is connected with annular delivery air chamber, there is a Venturi tube (10) below of each air nozzle, the Venturi tube of each air nozzle and its below links together by supporting sleeve (11), there is a baffler (12) below of each Venturi tube, the baffler of each Venturi tube and its below also links together by supporting sleeve, the bottom of each baffler is all connected and fixed with the pump housing and base, the air outlet of baffler is connected with the exhaust passage of exhaust end cover, between each supporting sleeve and sucking pipe tube wall, leave gap, each supporting sleeve is provided with several inlet holes (13), sucking pipe with the tube wall at each supporting sleeve opposite position place on have intakeport (14), the outer tube wall of sucking pipe intakeport top is provided with annular groove, the annular valve body of ring-shaped rubber one-way valve (15) is arranged in the annular groove on sucking pipe outer tube wall, on annular valve body circumference, be evenly equipped with several valve blocks, the upper end of each valve block is fixed on annular valve body, between each adjacent valve block, leave distance, each valve block keeps off on the intakeport of sucking pipe.
2. according to air injection vacuum pump claimed in claim 1, it is characterized in that: below described each Venturi tube, set up a Venturi tube, and set up again a supporting sleeve, each Venturi tube is connected by the supporting sleeve of setting up with the Venturi tube that its below is set up, and on the tube wall of each supporting sleeve position of setting up in sucking pipe correspondence, also has intakeport.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420181878.5U CN203783989U (en) | 2014-04-06 | 2014-04-06 | Air ejector vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420181878.5U CN203783989U (en) | 2014-04-06 | 2014-04-06 | Air ejector vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203783989U true CN203783989U (en) | 2014-08-20 |
Family
ID=51320181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420181878.5U Expired - Fee Related CN203783989U (en) | 2014-04-06 | 2014-04-06 | Air ejector vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203783989U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107614240A (en) * | 2015-03-13 | 2018-01-19 | 帝斯克玛股份有限公司 | Blow molding apparatus |
| CN109715959A (en) * | 2016-09-21 | 2019-05-03 | 维泰克株式会社 | Utilize the vacuum pump of profile |
-
2014
- 2014-04-06 CN CN201420181878.5U patent/CN203783989U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107614240A (en) * | 2015-03-13 | 2018-01-19 | 帝斯克玛股份有限公司 | Blow molding apparatus |
| CN109715959A (en) * | 2016-09-21 | 2019-05-03 | 维泰克株式会社 | Utilize the vacuum pump of profile |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20170406 |