CN203939708U - Automobile vacuum pump - Google Patents
Automobile vacuum pump Download PDFInfo
- Publication number
- CN203939708U CN203939708U CN201420344618.5U CN201420344618U CN203939708U CN 203939708 U CN203939708 U CN 203939708U CN 201420344618 U CN201420344618 U CN 201420344618U CN 203939708 U CN203939708 U CN 203939708U
- Authority
- CN
- China
- Prior art keywords
- way valve
- pump
- air inlet
- valve seat
- cover
- 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
Abstract
The utility model discloses a kind of automobile vacuum pump, the pump housing and pump cover form pump chamber, in pump chamber, be provided with rotor, rotor is provided with blade slide, in blade slide, be provided with slide vacuum, rotor is provided with live axle, pump cover is provided with drive shaft detent hole, between the pump housing and live axle, be provided with axle sleeve and oil sealing, on live axle, be also socketed with belt pulley, on the pump housing, be also provided with fitting seat, fitting seat comprises some fastening bolt holes, pump cover is provided with one-way valve assembly, comprise one-way valve seat, one-way valve seat comprises inlet end and outlet side, in one-way valve seat, be provided with one-way air inlet device and fixing device, fixing device comprises air inlet connecting mouth and copper valve pocket, copper valve pocket comprises cover T-Ring and axially extended some elastic card claws, elastic card claw is circle distribution, clamping projection on madial wall on inlet valve seat, described clamping projection fastens and connects with elastic card claw, between copper valve pocket and air inlet connecting mouth, be provided with grafting gap, in use, without looking in addition the thing of tying up, easy to use.
Description
Technical field
The utility model relates to a kind of auto parts machinery, and more particularly, it relates to a kind of automobile vacuum pump.
Background technique
Automobile vacuum pump, automobile vacuum pump is mainly by the pump housing, rotor, blade, the part such as breather check valve assembly and porting composition, when driving torque makes rotor by engine cam and vacuum pump connector, thereby the profile with moving vane along vacuum pump cavity volume, and rotate with the eccentric position of cavity volume, the upside of blade is divided into two cavity volumes, left side is vacuum chamber, along with the volume of its cavity volume of rotation of single blade is increasing, thereby produce degree of vacuum simultaneously by being connected with vacuum booster and making vacuum booster increase degree of vacuum with the suction port of one-way valve, right chamber is compression chamber, along with the volume of its cavity volume of rotation of single blade is more and more less, the air compressing extracting by lubricant oil with from vacuum booster is to motor, lubricant oil from motor enters and lubricates vacuum pump cavity volume and corresponding parts from rotor center, and play the seal action between floating terminals and the cavity volume profile on blade.
Suction port place on automobile vacuum pump is provided with breather check valve, and the air inlet connecting mouth communicating with breather check valve, in use, suction tude is plugged on to air inlet connecting mouth place, simply suction tude is plugged on to air inlet connecting mouth place, it is not firm to connect, easily come off, in order to make, connection is more firm often need to be bound suction tude by other things, need to look in addition the thing of tying up, cumbersome.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of automobile vacuum pump, and one-way valve seat is provided with fixing device, makes suction tude firm with being connected of air inlet connecting mouth, in use, without looking in addition the thing of tying up, easy to use.
For achieving the above object, the utility model provides following technological scheme: a kind of automobile vacuum pump, it is characterized in that: comprise the pump housing and pump cover, the described pump housing and pump cover form pump chamber, in pump chamber, be provided with eccentric rotor, rotor is provided with blade slide, in blade slide, be provided with slide vacuum, described rotor center is provided with the live axle that extends the pump housing, described pump cover is provided with drive shaft detent hole, between the described pump housing and live axle, be provided with axle sleeve and oil sealing, on described live axle, be also socketed with belt pulley, on the described pump housing, be also provided with fitting seat, described fitting seat comprises some fastening bolt holes, described pump cover is provided with one-way valve assembly, described one-way valve assembly comprises one-way valve seat, one-way valve seat comprises inlet end and outlet side, in described one-way valve seat, be provided with one-way air inlet device and be arranged on the fixing device of inlet end, described fixing device comprises air inlet connecting mouth and copper valve pocket, described air inlet connecting mouth is fixed on the inside of one-way valve seat, described copper valve pocket comprises cover T-Ring and axially extended some elastic card claws, described elastic card claw is circle distribution, madial wall on described inlet valve seat is provided with annular clamping projection, described clamping projection fastens and connects with elastic card claw, between described copper valve pocket and air inlet connecting mouth, be provided with grafting gap.
By adopting technique scheme, automobile vacuum pump drives by the belt pulley being socketed on live axle, due to bel-drivenn advantage, and relative and gear-driven vacuum pump when therefore vacuum pump is worked, operating noise is little, due to being arranged in pump chamber of rotor eccentricity, in working procedure, driving slide plate eccentric rotary, thereby produce vacuum, as the power-assisted in brake process, air inlet connecting mouth on breather check valve assembly is used for the suction tude of pegging graft, the softer rubber material of the general employing of suction tude, when use, suction tude is inserted in the gap between copper valve pocket and air inlet connecting mouth, elastic card claw on copper valve pocket deforms, owing to conflicting in clamping projection and elastic card claw middle part, in the deformation process of elastic card claw, elastic card claw middle part projection, thereby suction tude can be held tightly, suction tude is fixed on air inlet connecting mouth firmly, the diameter of cover T-Ring is slightly less than the diameter of suction tude, distortion by suction tude increases the pressure between cover T-Ring and suction tude, increase frictional force, increase anticreep effect, make suction tude firm with being connected of air inlet connecting mouth, because one-way valve assembly has carried fixing device, therefore in use, without looking in addition the thing of tying up, easy to use.
The utility model is further set to: described elastic card claw end is provided with the claw projection radially extending, and described clamping projection is provided with the guiding conical surface towards a side of inlet end, and the opposite side of clamping projection is provided with the clamping conical surface.
By adopting technique scheme, on suction tude is planted air inlet connecting mouth time, copper valve pocket can insert along air inlet tube wall, by the leading role of the guiding conical surface, claw projection on elastic card claw is snapped in to clamping projection, fix thereby realize, after claw snaps in, fixes by the clamping conical surface, prevent coming off of copper valve pocket.
The utility model is further set to: described claw is provided with escapement towards a side of air inlet connecting mouth, and described escapement comprises some anticreep projections.
By adopting technique scheme, anti-drop block is set for fixing suction tude on described claw, increase anticreep performance.
The utility model is further set to: described anticreep projection is zigzag fashion, and the back of tooth of zigzag fashion anti-drop block is towards inlet end.
By adopting technique scheme, anticreep projection is set to zigzag fashion, when facilitating suction tude to insert, by the distortion of suction tude, zigzag anti-drop block is embedded on suction tude tube wall, thereby makes suction tude connect more firmly.
The utility model is further set to: described one-way air inlet device comprises nonreturn valve core and the bearing surface with spool butt, described bearing surface is provided with vent, on nonreturn valve core, be connected with the check valve spring that nonreturn valve core is pressed to bearing surface, the madial wall of described outlet side is provided with annular groove, in described groove, be provided with spring seat, there is fixed lobe at described spring seat center, and described check valve spring is plugged on fixed lobe, and described spring seat is provided with some air outlet holes.
The utility model is further set to: on described one-way valve seat, be also provided with the insertion slot of plant suction tude, upper shed place of described insertion slot is provided with O shape circle.
By adopting technique scheme, suction tude is planted time air inlet connecting mouth, and O type circle can be socketed in suction tude automatically, thereby suction tude is entangled, and increases sealing effect.
The utility model is further set to: described inlet end is provided with the annular positioning groove of accommodating cover T-Ring, and described cover T-Ring extends one-way valve seat.
By adopting technique scheme, annular positioning groove, for copper valve pocket is positioned, increases the fixing effect of suction tude.
Brief description of the drawings
Fig. 1 is the utility model automobile vacuum pump embodiment's structural representation;
Fig. 2 is the utility model automobile vacuum pump embodiment's sectional view;
Fig. 3 is the structural drawing of one-way valve assembly;
Fig. 4 is the sectional view of one-way valve assembly.
Reference character: 1, one-way valve assembly; 11, clamping projection; 12, the guiding conical surface; 13, the clamping conical surface; 14, inlet end; 15, outlet side; 16, one-way valve seat; 2, copper valve pocket; 21, cover T-Ring; 22, elastic card claw; 221, claw projection; 222, anticreep projection; 3, O type circle; 4, air inlet connecting mouth; 5, one-way air inlet device; 6, the pump housing; 61, pump chamber, 62, live axle; 621, axle sleeve; 622, oil sealing; 63, fitting seat; 631, fastening bolt holes; 7, pump cover; 71, drive shaft detent hole; 8, rotor; 81, slide vacuum; 9, belt pulley.
Embodiment
Referring to figs. 1 through Fig. 4, the utility model automobile vacuum pump embodiment is described further.
A kind of automobile vacuum pump, it is characterized in that: comprise the pump housing 6 and pump cover 7, the described pump housing 6 forms pump chamber 61 with pump cover 7, in pump chamber 61, be provided with eccentric rotor 8, rotor 8 is provided with blade slide, in blade slide, be provided with slide vacuum 81, described rotor 8 centers are provided with the live axle 62 that extends the pump housing 6, described pump cover 7 is provided with drive shaft detent hole 71, between the described pump housing 6 and live axle 62, be provided with axle sleeve 621 and oil sealing 622, on described live axle 62, be also socketed with belt pulley 9, on the described pump housing 6, be also provided with fitting seat 63, described fitting seat 63 comprises some fastening bolt holes 631, described pump cover 7 is provided with one-way valve assembly 1, described one-way valve assembly 1 comprises one-way valve seat 16, one-way valve seat 16 comprises inlet end 14 and outlet side 15, in described one-way valve seat 16, be provided with one-way air inlet device 5 and be arranged on the fixing device of inlet end 14, described fixing device comprises air inlet connecting mouth 4 and copper valve pocket 2, described air inlet connecting mouth 4 is fixed on the inside of one-way valve seat 16, described copper valve pocket 2 comprises cover T-Ring 21 and axially extended some elastic card claws 22, described elastic card claw 22 is circle distribution, madial wall on described inlet valve seat is provided with annular clamping projection 11, described clamping projection 11 fastens and connects with elastic card claw 22, between described copper valve pocket 2 and air inlet connecting mouth 4, be provided with grafting gap.
Air inlet connecting mouth 4 is for the suction tude of pegging graft, the softer rubber material of the general employing of suction tude, when use, suction tude is inserted in the gap between copper valve pocket 2 and air inlet connecting mouth 4, elastic card claw 22 on copper valve pocket 2 deforms, owing to conflicting in clamping projection 11 and elastic card claw 22 middle parts, in the deformation process of elastic card claw 22, elastic card claw 22 middle part projections, thereby suction tude can be held tightly, suction tude is fixed on air inlet connecting mouth 4 firmly, the diameter of cover T-Ring 21 is slightly less than the diameter of suction tude, distortion by suction tude increases the pressure between cover T-Ring 21 and suction tude, increase frictional force, increase anticreep effect, make suction tude firm with being connected of air inlet connecting mouth 4, because one-way valve assembly 1 has carried fixing device, therefore in use, without looking in addition the thing of tying up, easy to use.
Elastic card claw 22 ends are provided with the claw projection radially extending, described clamping projection 11 is provided with the guiding conical surface 13 towards a side of inlet end 14, the opposite side of clamping projection 11 is provided with the clamping conical surface 13, on suction tude is planted air inlet connecting mouth 4 time, copper valve pocket 2 can insert along air inlet tube wall, by the leading role of the guiding conical surface 13, claw projection on elastic card claw 22 is snapped in to clamping projection 11, thereby realize fixing, fixing by the clamping conical surface 13 after elastic card claw 22 snaps in, prevent coming off of copper valve pocket 2.
Claw is provided with escapement towards a side of air inlet connecting mouth 4, and described escapement comprises some anticreep projections 222, anti-drop block is set for fixing suction tude on claw, increases anticreep performance.
Anticreep projection 222 is zigzag fashion, and the back of tooth of zigzag fashion anti-drop block is towards inlet end 14, and anticreep projection 222 is set to zigzag fashion, when facilitating suction tude to insert, by the distortion of suction tude, zigzag anti-drop block is embedded on suction tude tube wall, thereby makes suction tude connect more firmly.
In traditional one-way valve, outlet side 15 arranges annular jump ring fixed groove, then jump ring is fixed in fixed groove, pad is set on jump ring, check valve spring is fixed by pad, and this one-way valve seat 16 exists a lot of defects, for example, in installation process, jump ring is installed not in place, after being in place also easily there is the situation that cannot reset in jump ring, and under severe working environment, jump ring easily departs from, cause automobile vacuum pump normally to move, and the ability to bear of jump ring is little, and in this enforcement, one-way air inlet device 5 comprises nonreturn valve core and the bearing surface with spool butt, described bearing surface is provided with vent, on nonreturn valve core, be connected with the check valve spring that nonreturn valve core is pressed to bearing surface, the madial wall of described outlet side 15 is provided with annular groove, in described groove, be provided with spring seat, there is fixed lobe at described spring seat center, described check valve spring is plugged on fixed lobe, described spring seat is provided with some air outlet holes, on nonreturn valve core, be connected with check valve spring, on outlet side 15, be provided with the spring seat of fixing check valve spring, spring seat adopts stamping part, by impact briquetting, annular fixed groove is set on one-way valve seat 16, by riveting technique, the suction port place on one-way valve seat 16 is carried out to riveting, thereby spring seat is fixed, spring seat is in stamping forming process, conveniently cut out air outlet hole, easily manufactured, and fixing check valve spring is effective, and mechanism stable is firm, can under various severe working environments, work, improve the physical life of one-way valve assembly 1.
On one-way valve seat 16, be also provided with the insertion slot of plant suction tude, insertion slot upper shed place is provided with O shape circle 3, and suction tude is planted time air inlet connecting mouth 4, and O type circle can be socketed in suction tude automatically, thereby suction tude is entangled, and increases sealing effect.
Inlet end 14 is provided with the annular positioning groove of accommodating cover T-Ring 21, and described cover T-Ring 21 extends one-way valve seat 16, and annular positioning groove, for copper valve pocket 2 is positioned, increases the fixing effect of suction tude.
Outlet side 15 is provided with installation screw thread, one-way valve seat 16 middle parts are provided with orthohexagonal spanner rotating block, one-way valve seat 16 is realized fixing by screw thread and automobile vacuum pump, the regular hexagon spanner rotating block that one-way valve seat 16 middle parts arrange can coordinate with spanner, facilitates the installation of one-way valve assembly 1.
Claims (6)
1. an automobile vacuum pump, it is characterized in that: comprise the pump housing and pump cover, the described pump housing and pump cover form pump chamber, in pump chamber, be provided with eccentric rotor, rotor is provided with blade slide, in blade slide, be provided with slide vacuum, described rotor center is provided with the live axle that extends the pump housing, described pump cover is provided with drive shaft detent hole, between the described pump housing and live axle, be provided with axle sleeve and oil sealing, on described live axle, be also socketed with belt pulley, on the described pump housing, be also provided with fitting seat, described fitting seat comprises some fastening bolt holes, described pump cover is provided with one-way valve assembly, described one-way valve assembly comprises one-way valve seat, one-way valve seat comprises inlet end and outlet side, in described one-way valve seat, be provided with one-way air inlet device and be arranged on the fixing device of inlet end, described fixing device comprises air inlet connecting mouth and copper valve pocket, described air inlet connecting mouth is fixed on the inside of one-way valve seat, described copper valve pocket comprises cover T-Ring and axially extended some elastic card claws, described elastic card claw is circle distribution, madial wall on described inlet valve seat is provided with annular clamping projection, described clamping projection fastens and connects with elastic card claw, between described copper valve pocket and air inlet connecting mouth, be provided with grafting gap.
2. automobile vacuum pump according to claim 1, is characterized in that: described elastic card claw end is provided with the projection of radially extending, and described clamping projection is provided with the guiding conical surface towards a side of inlet end, and the opposite side of clamping projection is provided with the clamping conical surface.
3. automobile vacuum pump according to claim 2, is characterized in that: described claw is provided with escapement towards a side of air inlet connecting mouth, and described escapement comprises some anticreep projections.
4. automobile vacuum pump according to claim 3, is characterized in that: described anticreep projection is zigzag fashion, and the back of tooth of zigzag fashion anti-drop block is towards inlet end.
5. automobile vacuum pump according to claim 4, is characterized in that: on described one-way valve seat, be also provided with the insertion slot of plant suction tude, upper shed place of described insertion slot is provided with O shape circle.
6. automobile vacuum pump according to claim 5, is characterized in that: described inlet end is provided with the annular positioning groove of accommodating cover T-Ring, and described cover T-Ring extends one-way valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344618.5U CN203939708U (en) | 2014-06-25 | 2014-06-25 | Automobile vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344618.5U CN203939708U (en) | 2014-06-25 | 2014-06-25 | Automobile vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203939708U true CN203939708U (en) | 2014-11-12 |
Family
ID=51859024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420344618.5U Expired - Fee Related CN203939708U (en) | 2014-06-25 | 2014-06-25 | Automobile vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203939708U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863854A (en) * | 2015-06-08 | 2015-08-26 | 江苏梅花机械有限公司 | Improved vacuum pump for automobile |
| CN106479060A (en) * | 2016-12-13 | 2017-03-08 | 罗锐明 | A kind of automobile vacuum pump |
-
2014
- 2014-06-25 CN CN201420344618.5U patent/CN203939708U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863854A (en) * | 2015-06-08 | 2015-08-26 | 江苏梅花机械有限公司 | Improved vacuum pump for automobile |
| CN104863854B (en) * | 2015-06-08 | 2017-06-09 | 江苏梅花机械有限公司 | A kind of improved vehicle-mounted vacuum pump |
| CN106479060A (en) * | 2016-12-13 | 2017-03-08 | 罗锐明 | A kind of automobile vacuum pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205578273U (en) | Oil pumping mechanism and horizontal compressor with same | |
| KR101953041B1 (en) | Electric motor-pump assembly | |
| CN203939708U (en) | Automobile vacuum pump | |
| CN203879837U (en) | Duplex plunger pump | |
| CN204784728U (en) | Rotating machinery's oil -sealing arrangement | |
| CN107288872B (en) | A kind of pump and the hydraulic power assembly using the pump | |
| CN203906232U (en) | One-way valve assembly for automobile vacuum pump | |
| CN202203645U (en) | Gear driving rotor oil pump | |
| CN110822271A (en) | Oil pump and assembly method | |
| CN204986342U (en) | Multi -functional electronic grease lubrication pump | |
| CN107191369A (en) | The anti-rotary blade type compressor used for automobile air conditioning for shutting down reversion and leakage | |
| CN204239310U (en) | A kind of efficient silencing type double suction air conditioning pump bearing part | |
| CN103174770A (en) | Hydraulic pressure automodulation pulling-type clutch release bearing assembly | |
| CN202468202U (en) | Swash plate driven air-conditioning compressor for automobile | |
| CN2856500Y (en) | Automobile fuel pump | |
| CN203823409U (en) | Compact oil pump for frequency convertible scroll compressor | |
| CN208221085U (en) | A kind of oil leakage-proof vacuum pump | |
| CN208196466U (en) | The grinding external member being assemblied on mechanical arm | |
| CN201100514Y (en) | Novel pole piston pump for high-pressure oil injector | |
| CN208364381U (en) | A kind of pump housing of vacuum pump | |
| CN203906280U (en) | Automobile vacuum pump | |
| CN110513285A (en) | A kind of double-united oil pump | |
| CN208221107U (en) | A kind of oil leakage preventing vacuum pump | |
| CN204785470U (en) | Diesel engine oil pump | |
| CN211549956U (en) | Detachable oil pump regulating valve |
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: 20141112 Termination date: 20190625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |