CN208010569U - A kind of modified vacuum pump - Google Patents
A kind of modified vacuum pump Download PDFInfo
- Publication number
- CN208010569U CN208010569U CN201820067137.2U CN201820067137U CN208010569U CN 208010569 U CN208010569 U CN 208010569U CN 201820067137 U CN201820067137 U CN 201820067137U CN 208010569 U CN208010569 U CN 208010569U
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- Prior art keywords
- diaphragm
- motor
- chamber
- motor bracket
- valve support
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Abstract
The utility model discloses a kind of modified vacuum pumps, including motor and motor bracket, motor bracket top is equipped with motor bracket lid, eccentric shaft is installed on the output shaft that motor stretches into, bearing is installed on eccentric shaft, connecting rod is installed on bearing, motor bracket side is equipped with valve support, diaphragm is provided between valve support and motor bracket, vacuum chamber is provided between valve support and diaphragm, valve support side is provided with connector, inlet chamber is provided between connector and valve support, outlet chamber, air inlet umbrella valve is provided between inlet chamber and vacuum chamber, outlet umbrella valve is provided between outlet chamber and vacuum chamber；It includes diaphragm seal portion and the diaphragm main body positioned at most outer to state diaphragm, and arc interconnecting piece is provided between diaphragm seal portion and diaphragm main body.This kind of modified vacuum pump have the advantages that simple in structure, implementation cost is low, not available for dependable performance, the prior arts such as easy to maintain.
Description
Technical field
The utility model is related to a kind of novel valve body structure, especially a kind of modified vacuum pump.
Background technology
Vacuum pump is a kind of common industry and lifestyle device, is widely used in industrial production and various life products
In.
The defect that existing vacuum pump generally existing is complicated, production cost is high, performance reliability is low, difficult in maintenance；
In addition, since the diaphragm needs inside vacuum pump move reciprocatingly, the alternate position spike that diaphragm generates in reciprocating motion can cause film
The leakproofness of piece is deteriorated, and influences vacuumizing effect, also reduces the service life.The many disadvantages seriously limit this field into one
Step is advanced and is promoted and applied.
It is lacked in view of this, the purpose of this utility model is to provide a kind of new technical solutions with solving existing technology
It falls into.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of modified vacuum pump, solves existing product
The existing complicated, technological deficiencies such as implementation cost is high, performance reliability is insufficient, service life is short.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of modified vacuum pump, including motor and the motor bracket for being fixed on the motor top, the motor bracket
Top is installed with motor bracket lid, and motor bracket is matched with motor bracket lid is combined the holder for being configured to have hollow cavity
The output shaft of body, the motor is extend into the hollow cavity of stake body, and motor extend on the output shaft of hollow cavity and installs
There is eccentric shaft, bearing is installed in the eccentric shaft outer periphery, the bearing outer ring is equipped with connecting rod, the motor bracket side
Valve support is installed, the diaphragm for sealing valve support and motor bracket is provided between the valve support and motor bracket, it is described
Diaphragm screw is installed, the threaded ends of the diaphragm screw are fixedly attached to the free end of the connecting rod, described on diaphragm
It is provided with fastening pad between diaphragm screw and diaphragm, vacuum chamber is provided between the valve support and diaphragm, valve support side is solid
Surely it is provided with connector, mutually independent inlet chamber, outlet chamber, the inlet chamber are provided between the connector and valve support
It is provided with air inlet umbrella valve between vacuum chamber, outlet umbrella valve is provided between the outlet chamber and vacuum chamber；The diaphragm
Include that arc company is provided between the diaphragm seal portion of most outer and diaphragm main body, the diaphragm seal portion and diaphragm main body
The free end of socket part, the connecting rod is provided with link joint feature, and the end face of the link joint feature abuts to the diaphragm main body
One side.
As an improvement of the above technical solution, the diaphragm includes diaphragm seal portion and the diaphragm main body for being located at most outer,
Arc interconnecting piece is provided between the diaphragm seal portion and diaphragm main body, the installation inside groove is located in the diaphragm main body
Portion.
As a further improvement of the above technical scheme, the bearing is rolling bearing or oiliness bearing.
As a further improvement of the above technical scheme, the motor bracket side offers diaphragm seal slot, the film
Piece sealing is mounted in the diaphragm seal slot.
As a further improvement of the above technical scheme, the connector lower part, which is provided with, is respectively communicated with inlet chamber, outlet
The air inlet of chamber, gas outlet.
As a further improvement of the above technical scheme, the output shaft upper end of the motor is provided with motor axle sleeve, described
Nylon cup scholar is installed, the nylon cup scholar is mounted on inside the motor bracket lid outside motor axle sleeve.
As a further improvement of the above technical scheme, gasket is provided between the connector and valve support, it is described
Gasket, which seals against each other inlet chamber with outlet chamber, to be isolated and seals off inlet chamber and seal chamber with external environment.
The utility model has the beneficial effects that：The utility model provides a kind of modified vacuum pump, this kind of modified is true
Sky pump has the advantages that simple in structure, and production cost can be greatly lowered in implementation, while also can significantly promote vacuum pump
Reliability, safeguard get up it is more convenient, effectively extend vacuum pump service life；In addition, the diaphragm setting of this kind of vacuum pump
There are arc interconnecting piece, the arc interconnecting piece to provide certain mobile variable in diaphragm seat reciprocatory movement, effectively avoid film
Piece generates the phenomenon that diaphragm deformation, lift-off seal performance in reciprocating movement.
In short, this kind of modified vacuum pump, solve existing for existing product it is complicated, implementation cost is high, performance can
By the technological deficiencies such as property is insufficient, service life is short.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of another angle of the utility model；
Fig. 3 is the sectional view in the directions A-A in Fig. 2；
Fig. 4 is the sectional view in the directions B-B in Fig. 2；
Fig. 5 is the structural schematic diagram of diaphragm in the utility model.
Specific implementation mode
The technique effect of the design of the utility model, concrete structure and generation is carried out below with reference to embodiment and attached drawing
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
The other embodiment that art personnel are obtained without creative efforts belongs to the model of the utility model protection
It encloses.In addition, all connection/connection relations arrived involved in patent, not singly refer to component and directly connect, and referring to can be according to specific
Performance, by adding or reducing couple auxiliary, to form more preferably coupling structure.Each skill in the utility model creation
Art feature, under the premise of not conflicting conflict can with combination of interactions, referring to Fig.1-5.
A kind of modified vacuum pump, including motor 1 and the motor bracket 2 for being fixed on 1 top of the motor, the motor branch
2 top of frame is installed with motor bracket lid 3, and motor bracket 2 matches to be combined with motor bracket lid 3 to be configured to hollow cavity 20
Stake body, the output shaft of the motor 1 extend into the hollow cavity 20 of stake body, and motor 1 extend into hollow cavity 20
Eccentric shaft 4 is installed on output shaft, bearing 41 is installed in 4 outer periphery of the eccentric shaft, 41 outer ring of the bearing is equipped with company
Bar 5,2 side of the motor bracket are equipped with valve support 6, are provided between the valve support 6 and motor bracket 2 by valve support 6
The diaphragm 7 sealed with motor bracket 2 is equipped with diaphragm screw 71, the threaded ends of the diaphragm screw 71 on the diaphragm 7
It is fixedly attached to the free end of the connecting rod 5, fastening pad 72, the valve branch are provided between the diaphragm screw 71 and diaphragm 7
Vacuum chamber 73 is provided between frame 6 and diaphragm 7,6 side of valve support is fixedly installed connector 8, the connector 8 and valve branch
It is provided with mutually independent inlet chamber 81, outlet chamber 82 between frame 6, air inlet is provided between the inlet chamber 81 and vacuum chamber 73
Umbrella valve 91 is provided with outlet umbrella valve 92 between the outlet chamber 82 and vacuum chamber 73；The diaphragm 7 includes positioned at outermost
The diaphragm seal portion 701 on edge and diaphragm main body 702 are provided with arc company between the diaphragm seal portion 701 and diaphragm main body 702
Socket part 703, the free end of the connecting rod 5 are provided with link joint feature 51, and the end face of the link joint feature 51 abuts to described
The one side of diaphragm main body 701.
Preferably, 2 side of the motor bracket offers diaphragm seal slot, and the diaphragm seal portion 701 is mounted on described
In diaphragm seal slot.
Preferably, the bearing 41 is rolling bearing or oiliness bearing, and when the utility model is embodied, implementer can
Suitable bearing is selected according to specific implementation condition.
Preferably, 8 lower part of the connector is provided with air inlet 83, the outlet for being respectively communicated with inlet chamber 81, outlet chamber 82
Mouth 84.
Preferably, the output shaft upper end of the motor 1 is provided with motor axle sleeve 42, is equipped with outside the motor axle sleeve 42
Nylon cup scholar 43, the nylon cup scholar 43 are mounted on inside the motor bracket lid 3.
Preferably, it is provided with gasket 85 between the connector 8 and valve support 6, the gasket 85 is by inlet chamber 81
It is sealed against each other with outlet chamber 82 and is isolated and seals off inlet chamber 81 and outlet chamber 82 with external environment.
When the utility model is embodied, after motor 1 is powered, the eccentric shaft 4 installed on the output shaft of motor 1 revolves
Transhipment is dynamic, then the rotational movement connecting rod membrane combination for passing through eccentric shaft 4 includes connecting rod 5, bearing 41, fastening pad 72, diaphragm
7, diaphragm screw 71 is converted to the reciprocating motion of straight line.Simultaneously because the reciprocating motion of connecting rod 5 and diaphragm 7, cause diaphragm 7 with
Volume differences between valve support 6 change and the volume of vacuum chamber 73 changes.When connecting rod 5 is toward post-tensioning, vacuum chamber 73
Volume increases, and 73 inner space pressure of vacuum chamber reduces, and gas enters inlet chamber 81 from the air inlet 83 of connector 8, into one
Walking gas passes through air inlet umbrella valve 91 to suck in vacuum chamber 73；When connecting rod 5 is to when being pushed forward, the volume of vacuum chamber 73 reduces, vacuum
The pressure of room 73 increases, and gas passes through outlet umbrella valve 92 from vacuum chamber 73, gas again after the outlet chamber 82 of connector 8 from
Gas outlet 84 is discharged.Such iterative motion is to achieve the purpose that evacuation.
It is to be illustrated to the preferable implementation of the utility model, but the utility model creation is not limited to institute above
Embodiment is stated, those skilled in the art can also make various be equal without departing from the spirit of the present invention
Deformation is replaced, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (6)
1. a kind of modified vacuum pump, it is characterised in that：Including motor (1) and it is fixed on the motor branch on the motor (1) top
Frame (2), motor bracket (2) top are installed with motor bracket lid (3), and motor bracket (2) is matched with motor bracket lid (3)
It is combined the stake body for being configured to have hollow cavity (20), the output shaft of the motor (1) extend into the hollow cavity of stake body
(20) in, motor (1), which is extend on the output shaft of hollow cavity (20), is equipped with eccentric shaft (4), eccentric shaft (4) outer periphery
On bearing (41) is installed, bearing (41) outer ring is equipped with connecting rod (5), and motor bracket (2) side is equipped with valve branch
Frame (6) is provided between the valve support (6) and motor bracket (2) by the diaphragm of valve support (6) and motor bracket (2) sealing
(7), diaphragm screw (71) is installed, the threaded ends of the diaphragm screw (71) are fixedly attached to institute on the diaphragm (7)
The free end of connecting rod (5) is stated, fastening pad (72), the valve support (6) are provided between the diaphragm screw (71) and diaphragm (7)
Vacuum chamber (73) is provided between diaphragm (7), valve support (6) side is fixedly installed connector (8), the connector (8)
Mutually independent inlet chamber (81), outlet chamber (82), the inlet chamber (81) and vacuum chamber are provided between valve support (6)
(73) it is provided with air inlet umbrella valve (91) between, outlet umbrella valve is provided between the outlet chamber (82) and vacuum chamber (73)
(92)；The diaphragm (7) includes the diaphragm seal portion (701) and diaphragm main body (702) positioned at most outer, the diaphragm seal portion
(701) arc interconnecting piece (703) is provided between diaphragm main body (702), the free end of the connecting rod (5) is provided with connecting rod company
The end face of socket part (51), the link joint feature (51) abuts to the one side of the diaphragm main body (702).
2. a kind of modified vacuum pump according to claim 1, it is characterised in that：Motor bracket (2) side opens up
There are diaphragm seal slot, the diaphragm seal portion (701) to be mounted in the diaphragm seal slot.
3. a kind of modified vacuum pump according to claim 1, it is characterised in that：The bearing (41) be rolling bearing or
Oiliness bearing.
4. a kind of modified vacuum pump according to claim 1, it is characterised in that：Connector (8) lower part is provided with
It is respectively communicated with inlet chamber (81), the air inlet (83) of outlet chamber (82), gas outlet (84).
5. a kind of modified vacuum pump according to claim 1, it is characterised in that：The output shaft upper end of the motor (1)
It is provided with motor axle sleeve (42), nylon cup scholar (43), nylon cup scholar (43) peace are installed outside the motor axle sleeve (42)
It is internal mounted in the motor bracket lid (3).
6. a kind of modified vacuum pump according to claim 1, it is characterised in that：The connector (8) and valve support (6)
Between be provided with gasket (85), the gasket (85), which seals against each other inlet chamber (81) with outlet chamber (82), is isolated and will be into
Air cavity (81) and outlet chamber (82) are sealed off with external environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067137.2U CN208010569U (en) | 2018-01-15 | 2018-01-15 | A kind of modified vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067137.2U CN208010569U (en) | 2018-01-15 | 2018-01-15 | A kind of modified vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010569U true CN208010569U (en) | 2018-10-26 |
Family
ID=63883777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820067137.2U Active CN208010569U (en) | 2018-01-15 | 2018-01-15 | A kind of modified vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208010569U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630480A (en) * | 2019-10-12 | 2019-12-31 | 卡川尔流体科技(上海)有限公司 | Multipurpose diaphragm pump capable of adapting to various working conditions and mounting mode thereof |
| CN112539165A (en) * | 2020-12-09 | 2021-03-23 | 百事德机械（江苏）有限公司 | Connecting rod type fan |
| CN113417840A (en) * | 2021-07-30 | 2021-09-21 | 深圳华星恒泰泵阀有限公司 | High negative pressure vacuum pump capable of working in two directions |
| CN113446206A (en) * | 2021-07-30 | 2021-09-28 | 深圳华星恒泰泵阀有限公司 | High negative pressure vacuum pump capable of working in two directions |
| CN115013290A (en) * | 2022-06-17 | 2022-09-06 | 武汉碧海云天科技股份有限公司 | Integrated low-pulsation miniature air suction pump |
-
2018
- 2018-01-15 CN CN201820067137.2U patent/CN208010569U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630480A (en) * | 2019-10-12 | 2019-12-31 | 卡川尔流体科技(上海)有限公司 | Multipurpose diaphragm pump capable of adapting to various working conditions and mounting mode thereof |
| CN112539165A (en) * | 2020-12-09 | 2021-03-23 | 百事德机械（江苏）有限公司 | Connecting rod type fan |
| CN113417840A (en) * | 2021-07-30 | 2021-09-21 | 深圳华星恒泰泵阀有限公司 | High negative pressure vacuum pump capable of working in two directions |
| CN113446206A (en) * | 2021-07-30 | 2021-09-28 | 深圳华星恒泰泵阀有限公司 | High negative pressure vacuum pump capable of working in two directions |
| CN115013290A (en) * | 2022-06-17 | 2022-09-06 | 武汉碧海云天科技股份有限公司 | Integrated low-pulsation miniature air suction pump |
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