CN208169122U - The unitary cover structure of vacuum pump - Google Patents
The unitary cover structure of vacuum pump Download PDFInfo
- Publication number
- CN208169122U CN208169122U CN201820310922.6U CN201820310922U CN208169122U CN 208169122 U CN208169122 U CN 208169122U CN 201820310922 U CN201820310922 U CN 201820310922U CN 208169122 U CN208169122 U CN 208169122U
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- CN
- China
- Prior art keywords
- housing
- pump
- fuel tank
- filter
- bracket
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Abstract
The utility model discloses a kind of vacuum pump casing structures,It is a kind of compact-sized reasonable to provide,Assembling procedure is few,Manufacturing cost is low,And effectively avoid the unitary cover structure of the vacuum pump of oil leakage phenomenon generation,It is more to solve the part that assembling process existing in the prior art is related to,Processing and assembling consistency are poor,And each component junction oil leak risk is larger,The technical problem of quality of vacuum pump etc. is directly affected when serious,It includes bracket and the pump assembly and motor body for being respectively arranged on bracket two sides,Motor case is covered in motor body housing,Motor case corresponding with bracket one end extends outwardly successively to cover forms pump housing housing outside bracket and pump assembly,The side of pump housing housing is downwardly extending fuel tank housing outward,The top surface of fuel tank housing upwardly extends to form filter housing again,Wherein fuel tank housing is connected by main exhaust hole with pump housing housing,Filter housing passes through secondary gas vent and is connected to filter hood shell phase.
Description
Technical field
The utility model relates to a kind of vacuum pump casing structure, more particularly to it is a kind of it is compact-sized rationally, and reduce true
The assembling procedure of sky pump, and avoid the unitary cover structure of the vacuum pump of oil leakage phenomenon generation.
Background technique
Rotary-vane vaccum pump is one kind that vacuum is obtained using the rotary motion of rotor and the blade slided in rotor slot
Transfiguration oil-sealed rotary pump.Rotary-vane vaccum pump includes prejudicially being mounted in the rotor in bore of stator and two blades in rotor slot,
Rotor and stator luminal wall surface are tangent, rotor drive blade rotation when, blade borrow centrifugal force be close to stator cavity wall, into,
Exhaust outlet is separated, and make inlet chamber container periodically expand and air-breathing, discharge chamber volume periodically reduce and compressed gas
Body is pushed open after exhaust valve is exhausted by means of compression pressure and obtains vacuum.Existing rotary-vane vaccum pump be usually by fuel tank,
The composition such as the pump housing and motor and filter, wherein motor case is usually absolute construction, and vacuum pump assembling process part is more, processing
And assembling consistency is poor, and each component junction oil leak risk is larger, and the quality of vacuum pump is directly affected when serious.
Summary of the invention
The utility model mainly there is provided it is a kind of it is compact-sized rationally assembling procedure is few, and manufacturing cost is low, and it is effective
The unitary cover structure for avoiding the vacuum pump of oil leakage phenomenon generation, solves assembling process existing in the prior art and is related to
Part it is more, processing and assembling consistency are poor, and each component junction oil leak risk is larger, and vacuum pump is directly affected when serious
Quality etc. technical problem.
The above-mentioned technical problem of the utility model is mainly to be addressed by following technical proposals：A kind of vacuum pump
Unitary cover structure including bracket and is respectively arranged on the pump assembly and motor body of bracket two sides, in motor body housing
It is covered with motor case, motor case corresponding with bracket one end, which extends outwardly, successively covers mounted in bracket and pump assembly shape
At pump housing housing, the side of pump housing housing is downwardly extending fuel tank housing outward, and the top surface of fuel tank housing upwardly extends shape again
At filter housing, wherein fuel tank housing is connected by main exhaust hole with pump housing housing, and filter housing passes through secondary gas vent
It is connected to filter hood shell phase.The outside integral type of motor case extends to form pump housing housing, and pump housing housing cover is mounted in bracket and pump
Outside body component, pump housing housing is downwardly extending fuel tank housing again outward, and the top surface of fuel tank housing upwardly extends to form filtering again
Device housing, fuel tank housing for storing pumping fluid, filter housing for installing oil mist trapping filter, collection motor case,
Pump housing housing cover, fuel tank housing and filter housing in one, it is compact-sized rationally, reduce assembling procedure, improve production
Efficiency, and good product consistency have saved manufacturing cost, while effectively avoiding the generation of oil leakage phenomenon, ensure that product
Quality.
Preferably, the fuel tank housing and filter housing carry over pump housing housing central axis direction extend, and with pump
Body housing corresponding filter housing side extends outward to form connector, and connector integral type is connected on pump housing housing,
The oil return hole for being connected to pump housing housing and filter housing is equipped in connector.Between fuel tank housing and filter hood and pump housing housing
Keeping parallelism setting, can save complete machine space occupied, keep complete machine structure more compact and reasonable；Filter housing is further through connector
Integral type is connected on pump housing housing, both ensure that the bonding strength between each shell, while being arranged back further through on connector
Oilhole can flow back into the pumping fluid trapped in filter housing in the pump housing, periodically clear without carrying out to filter housing
Reason, simplifies using process, energy conservation and environmental protection.
Preferably, the pump assembly includes the pump rotor being rotatably connected on bracket and set covers on pump outside pump rotor
Stator, the pump stator upper cover opposite with bracket are equipped with pump cover, and the external port of pump housing housing is connected on pump cover inner side end.The pump housing
The external port of housing is connected on pump cover inner side end, has not only guaranteed the aesthetics of complete machine appearance, but also be convenient for the installation of pump cover.
Preferably, on pump housing housing corresponding with the pump assembly air inlet be equipped with suction nozzle mounting hole, into
Suction nozzle is housed on gas nozzle mounting hole.By the way that suction nozzle mounting hole is arranged, pass through suction nozzle mounting hole and the pump housing convenient for suction nozzle
On air inlet be connected.
Preferably, being covered respectively at the both ends of the fuel tank housing equipped with end cap of gasoline tank, at the both ends of filter housing point
Filter end cap Zhao be housed, and a filter end is covered equipped with gas vent wherein.Fuel tank housing and filter housing are equal
In a tubular form, by distinguishing sealing cover end cap of gasoline tank and the complete cavity of filter end cap composition at both ends, it is convenient for drawing and forming.
If preferably, the outer ring surface of the pump housing housing, fuel tank housing and filter housing extends outward to form respectively
Dry fin.By the way that fin is arranged, heat can be distributed to periphery, it is ensured that vacuum pump reliability service.
Preferably, exhaust valve plate is equipped on the port of corresponding main exhaust hole in the fuel tank housing.
Therefore, the unitary cover structure tool of the vacuum pump of the utility model has the advantage that：Collect motor case, pump housing cover
Clamshell, fuel tank housing and filter housing are compact-sized rationally to reduce assembling procedure, improve production efficiency in one, and
Good product consistency has saved manufacturing cost, while effectively avoiding the generation of oil leakage phenomenon, ensure that the quality of product；
By the way that oil return hole is arranged on connector, the pumping fluid trapped in filter housing can be flowed back into the pump housing, without pair
Filter housing carries out periodic cleaning, simplifies using process, energy conservation and environmental protection；.By the way that fin is arranged, heat can be distributed to periphery
Amount, it is ensured that vacuum pump reliability service.
Detailed description of the invention：
Fig. 1 is the outline drawing of the unitary cover structure of the utility model vacuum pump；
Fig. 2 is the partial structural diagram of the utility model；
Fig. 3 is the cross-sectional view of the utility model.
Specific embodiment：
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：
As shown in figures 1 and 3, the unitary cover structure of the vacuum pump of the utility model, including bracket 1 and it is fixed on branch
The pump assembly 2 of 1 front side of frame and the motor body 3 for being fixed on 1 rear side of bracket, wherein pump assembly 2 includes being rotatably connected on branch
Pump rotor 21 and set on frame 1 cover on the pump stator 22 outside pump rotor 21, and pump stator 22 and bracket 1 are integrally formed, with 1 phase of bracket
Pair 22 upper cover of pump stator be filled with pump cover 23, in 3 housing of motor body covered with motor case 4, motor machine corresponding with bracket 1
The outside integral type in 4 front end of shell extends to form pump housing housing 5, and pump housing housing 5 is successively covered outer mounted in bracket 1 and pump assembly 2 and supported
It connecing on the medial surface of pump cover 23, downward integral type extends to form pentagonal fuel tank housing 6 outward in the left side of pump housing housing 5,
Integral type extends to form filter housing 7 upwards again for the top surface of fuel tank housing 6, and fuel tank housing 6 and filter housing 7 are equal in a tubular form
The central axis direction for carrying over pump housing housing 5 extends towards rear, and at the both ends of fuel tank housing 6, difference enclosed hood is equipped with end cap of gasoline tank
13, at the both ends of filter housing 7, difference enclosed hood is equipped with filter end cap 14, and is provided in the filter end cap of front side 14
Three gas vents 15, the 7 outside integral type in side of filter housing corresponding with pump housing housing 5 extend to form connector 10, connection
10 integral type of body is connected on pump housing housing 5, is connected to pump housing housing 5 and filter as shown in Fig. 2, having in connector 10
Oil return hole 18 between housing 7, fuel tank housing 6 therein are connected by main exhaust hole 8 with pump housing housing 5, and in fuel tank housing 6
Interior 8 port upper cover of corresponding main exhaust hole is equipped with exhaust valve plate 17, and filter housing 7 passes through secondary gas vent 9 and filter housing 7
It is connected, is installed for the ease of the suction nozzle 12 on pump assembly 2, on pump housing housing 5 corresponding with 2 air inlet of pump assembly
It is provided with suction nozzle mounting hole 11, suction nozzle 12 passes through suction nozzle mounting hole 11 and is docked on 2 air inlet of pump assembly.In order to improve
Heat dissipation performance, the outer ring surface of pump housing housing 5, fuel tank housing 6 and filter housing 7 extend outward to form several fins 16 respectively.
Specific embodiment described herein is only to give an example to the design of the utility model.The utility model
Person of ordinary skill in the field can make various modifications or additions to the described embodiments or using class
As mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (7)
1. a kind of unitary cover structure of vacuum pump, including bracket（1）And it is respectively arranged on bracket（1）The pump assembly of two sides
（2）And motor body（3）, in motor body（3）Housing is covered with motor case（4）, it is characterised in that：With the bracket（1）It is right
The motor case answered（4）One end, which extends outwardly, successively covers mounted in bracket（1）And pump assembly（2）Outer formation pump housing housing（5）, pump
Body housing（5）Side be downwardly extending fuel tank housing outward（6）, fuel tank housing（6）Top surface upwardly extend to be formed again
Filter housing（7）, wherein fuel tank housing（6）Pass through main exhaust hole（8）With pump housing housing（5）It is connected, filter housing（7）It is logical
Cross secondary gas vent（9）With filter housing（7）It is connected.
2. the unitary cover structure of vacuum pump according to claim 1, it is characterised in that：The fuel tank housing（6）With
Filter housing（7）Carry over pump housing housing（5）Central axis direction extend, and with pump housing housing（5）Corresponding filter housing
（7）Side extends outward to form connector（10）, connector（10）Integral type is connected to pump housing housing（5）On, in connector
（10）Interior be equipped with is connected to pump housing housing（5）With filter housing（7）Oil return hole（18）.
3. the unitary cover structure of vacuum pump according to claim 1 or 2, it is characterised in that：The pump assembly（2）
Including being rotatably connected on bracket（1）On pump rotor（21）And set covers on pump rotor（21）Outer pump stator（22）, with bracket（1）
Opposite pump stator（22）Upper cover is equipped with pump cover（23）, pump housing housing（5）External port be connected to pump cover（23）On inner side end.
4. the unitary cover structure of vacuum pump according to claim 1 or 2, it is characterised in that：With the pump housing group
Part（2）The corresponding pump housing housing of air inlet（5）It is equipped with suction nozzle mounting hole（11）, in suction nozzle mounting hole（11）It is upper equipped with into
Gas nozzle（12）.
5. the unitary cover structure of vacuum pump according to claim 1 or 2, it is characterised in that：In the fuel tank housing
（6）Both ends covered respectively equipped with end cap of gasoline tank（13）, in filter housing（7）Both ends covered respectively equipped with filter end cap
（14）, and a filter end cap wherein（14）It is equipped with gas vent（15）.
6. the unitary cover structure of vacuum pump according to claim 1 or 2, it is characterised in that：The pump housing housing
（5）, fuel tank housing（6）With filter housing（7）Outer ring surface extend outward to form several fins respectively（16）.
7. the unitary cover structure of vacuum pump according to claim 1 or 2, it is characterised in that：In the fuel tank housing
（6）Interior corresponding main exhaust hole（8）Port is equipped with exhaust valve plate（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820310922.6U CN208169122U (en) | 2018-03-06 | 2018-03-06 | The unitary cover structure of vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820310922.6U CN208169122U (en) | 2018-03-06 | 2018-03-06 | The unitary cover structure of vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208169122U true CN208169122U (en) | 2018-11-30 |
Family
ID=64385197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820310922.6U Active CN208169122U (en) | 2018-03-06 | 2018-03-06 | The unitary cover structure of vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208169122U (en) |
-
2018
- 2018-03-06 CN CN201820310922.6U patent/CN208169122U/en active Active
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| GR01 | Patent grant |