CN206853343U - Negative pressure dust filter unit - Google Patents
Negative pressure dust filter unit Download PDFInfo
- Publication number
- CN206853343U CN206853343U CN201720698881.8U CN201720698881U CN206853343U CN 206853343 U CN206853343 U CN 206853343U CN 201720698881 U CN201720698881 U CN 201720698881U CN 206853343 U CN206853343 U CN 206853343U
- Authority
- CN
- China
- Prior art keywords
- filter
- pump housing
- outside
- tank body
- negative pressure
- 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
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- Compressor (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses negative pressure dust filter unit, including the pump housing and filter, the upper end of the pump housing is provided with pump body top cover, the upper end side of the pump body top cover is provided with oil-feed pipe connections, the upper end of the pump housing is provided with exhaust outlet in the side of oil-feed pipe connections, the middle part side of the pump housing is provided with airway tube, the filter is arranged on above the side outside the pump housing, and the lower end of the filter is provided with suction interface, the lower end of the suction interface and the other end of airway tube connect, the upper end of the filter is provided with tank body and covered, side is provided with the first air inlet at the outside side center of the filter, opposite side at the outside hub of the filter is provided with the second air inlet, the inside of the filter is provided with filter core.The utility model can be intercepted effectively to dust impurities, reduced the mechanical wear in pump housing running, extended the service life of the pump housing, while can effectively prevent to return oil.
Description
Technical field
It the utility model is related to vacuum dual-chamber stove field of components, more particularly to negative pressure dust filter unit.
Background technology
Vavuum pump refers to using machinery, physics, chemically or physically chemical method is evacuated to being taken out container and obtained
The device or equipment of vacuum.For popular, vavuum pump is to improve, produce and maintain true in a certain closing space with various methods
Empty device.
Following problem be present in traditional device：1st, when carrying out input air to vavuum pump, dust be present in air
Or impurity, dust together enter the inside of the pump housing with impurity, the operation on the pump housing has generated seriously influence, has greatly reduced pump
The service life of body；2nd, when carrying out filtering to air, dust and impurity are all remained in inside device, it is difficult to are cleared up.
Utility model content
The purpose of this utility model is to provide negative pressure dust filter unit, asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：Negative pressure dust filter unit, including the pump housing and mistake
Filter, the upper end of the pump housing are provided with pump body top cover, and the upper end side of the pump body top cover is provided with oil-feed pipe connections, institute
The upper end for stating the pump housing is provided with exhaust outlet in the side of oil-feed pipe connections, and the middle part side of the pump housing is provided with airway tube,
The filter is arranged on above the side outside the pump housing, and the lower end of the filter is provided with suction interface, described to take out
The lower end of gas interface and the other end of airway tube are connected, and the upper end of the filter, which is provided with tank body, to be covered, the filter
Side is provided with the first air inlet at outside side center, and the opposite side at the outside hub of the filter is provided with second and entered
Gas port, the inside of the filter are provided with filter core.
Preferably, the outside covered on the tank body is provided with Cap for tin body fastener, and under the inner side of the Cap for tin body fastener
End and the upper end contact outside of filter.
Preferably, the lower end covered on the tank body is provided with tank body sealing ring in the upper end junction with filter, and
The outside of the tank body sealing ring is arranged on the inner side of Cap for tin body fastener.
Preferably, the inside of the filter is connected in the lower end of filter core by installing supporting plate with filter core.
Preferably, the upper end of the suction interface is connected by installing the lower end of tracheae and filter core.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the utility model effectively carries out filtering to dust and debris and blocked by installing filter core in the inside of filter
Cut, the effective service life for extending the pump housing, while covered on the upper end of filter installation tank body, and by being covered on tank body
Outside installation Cap for tin body fastener be connected with filter, for a long time work after can carry out cleaning replacing to filter core.
2nd, the utility model installs tank body sealing ring by the lower end covered on tank body and the junction of filter upper end, has
Effect seals to device, ensure that the overall sealing property of device.
3rd, the utility model is caused useless in the process of running by the pump housing by installing gas outlet in the side of pump housing upper end
Gas is discharged in time, ensure that the normal operation of device, simultaneously because filter is arranged on above the side of the pump housing, can be effective
Prevention return oil.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
In figure：The 1- pump housings；2- filters；3- pump body top covers；4- oil-feed pipe connections；5- airway tubes；6- suction interfaces；7-
Covered on tank body；The air inlets of 8- first；The air inlets of 9- second；10- filter cores；11- Cap for tin body fasteners；12- tank body sealing rings；13- is arranged
Gas port.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：Negative pressure dust filter unit, including the pump housing 1 and filter
2, the upper end of the pump housing 1 is provided with pump body top cover 3, and the upper end side of the pump body top cover 3 is provided with oil-feed pipe connections 4,
The upper end of the pump housing 1 is provided with exhaust outlet 13 in the side of oil-feed pipe connections 4, and the middle part side of the pump housing 1 is provided with
Airway tube 5, the filter 2 is arranged on above the side outside the pump housing 1, and the lower end of the filter 2 is provided with pumping
Interface 6, the lower end of the suction interface 6 are connected with the other end of airway tube 5, and the upper end of the filter 2 is provided with tank body
Lid 7, side is provided with the first air inlet 8 at the outside side center of the filter 2, at the outside hub of the filter 2
Opposite side the second air inlet 9 is installed, the inside of the filter 2 is provided with filter core 10.
The outside of lid 7 is provided with Cap for tin body fastener 11, and the inside lower end of the Cap for tin body fastener 11 on the tank body
With the upper end contact outside of filter 2；The lower end of lid 7 is provided with tank body in the upper end junction with filter 2 on the tank body
Sealing ring 12, and the outside of the tank body sealing ring 12 is arranged on the inner side of Cap for tin body fastener 11；The inside of the filter 2
It is connected in the lower end of filter core 10 by installing supporting plate with filter core 10；The upper end of the suction interface 6 is by installing tracheae and filter
The lower end connection of core 10.
Operation principle：During work, filter 2 is connected by the suction interface 6 of lower end with the side of the pump housing 1, simultaneously will
Gaseous input devices of the first air inlet 8, the second air inlet 9 of filter 2 respectively with outside are connected, and then vacuum drying oven dust exists
Under the motive force active force of filter 2, dust and debris are filtered by filter core 10, intercepted, the effective vavuum pump that reduces exists
Mechanical wear in running, the effective service life for extending the pump housing 1, after a protracted use, filtered by opening
Lid 7 on the tank body of the upper end of device 2, filter core 10 is cleared up or changed, because lid 7 is provided with tank body by external outside on tank body
Cover buckle part 11 is connected with the upper end of filter 2, while the junction of the lid 7 and filter 2 installation tank body sealing ring 12 on tank body,
It is effectively guaranteed the sealing property of device.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. negative pressure dust filter unit, including the pump housing (1) and filter (2), it is characterised in that：The upper end installation of the pump housing (1)
Have a pump body top cover (3), the upper end side of the pump body top cover (3) is provided with oil-feed pipe connections (4), the pump housing (1) it is upper
End is provided with exhaust outlet (13) in the side of oil-feed pipe connections (4), and the middle part side of the pump housing (1) is provided with airway tube
(5), the filter (2) is arranged on above the outside side of the pump housing (1), and the lower end of the filter (2) is provided with and taken out
Gas interface (6), the lower end of the suction interface (6) are connected with the other end of airway tube (5), the upper end peace of the filter (2)
Equipped with (7) are covered on tank body, side is provided with the first air inlet (8), the filtering at the outside side center of the filter (2)
Opposite side at the outside hub of device (2) is provided with the second air inlet (9), and the inside of the filter (2) is provided with filter core
(10)。
2. negative pressure dust filter unit according to claim 1, it is characterised in that：The outside installation of (7) is covered on the tank body
There are Cap for tin body fastener (11), and the inside lower end of the Cap for tin body fastener (11) and the upper end contact outside of filter (2).
3. negative pressure dust filter unit according to claim 1 or 2, it is characterised in that：The lower end that (7) are covered on the tank body exists
Tank body sealing ring (12), and the outside installation of the tank body sealing ring (12) are installed with the upper end junction of filter (2)
In the inner side of Cap for tin body fastener (11).
4. negative pressure dust filter unit according to claim 1, it is characterised in that：The inside of the filter (2) is in filter core
(10) lower end is connected by installing supporting plate with filter core (10).
5. negative pressure dust filter unit according to claim 1, it is characterised in that：The upper end of the suction interface (6) passes through
Installation tracheae is connected with the lower end of filter core (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720698881.8U CN206853343U (en) | 2017-06-15 | 2017-06-15 | Negative pressure dust filter unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720698881.8U CN206853343U (en) | 2017-06-15 | 2017-06-15 | Negative pressure dust filter unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206853343U true CN206853343U (en) | 2018-01-09 |
Family
ID=60826229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720698881.8U Expired - Fee Related CN206853343U (en) | 2017-06-15 | 2017-06-15 | Negative pressure dust filter unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206853343U (en) |
-
2017
- 2017-06-15 CN CN201720698881.8U patent/CN206853343U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20210615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |