CN206723044U - A kind of reciprocating brake vacuum assist pump - Google Patents
A kind of reciprocating brake vacuum assist pump Download PDFInfo
- Publication number
- CN206723044U CN206723044U CN201720142031.XU CN201720142031U CN206723044U CN 206723044 U CN206723044 U CN 206723044U CN 201720142031 U CN201720142031 U CN 201720142031U CN 206723044 U CN206723044 U CN 206723044U
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- CN
- China
- Prior art keywords
- drain pan
- pump
- hole
- vacuum assist
- brake vacuum
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- 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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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
It the utility model is related to vacuum servo pump technical field, disclose a kind of reciprocating brake vacuum assist pump, including pump drain pan and the enclosing cover being connected with pump drain pan, the pump drain pan is provided with compression chamber, the compression chamber eccentric setting has the through hole through pump drain pan, the through hole is equiped with rotating mechanism, the rotating mechanism slidably connects rotor assembly, the pump drain pan is additionally provided with air admission hole and steam vent, the air admission hole is connected with intake valve, the steam vent is externally connected to one-way exhaust valve, the rotating mechanism rotor driven assembly is discharged by the compression of the air of intake valve and to one-way exhaust valve；Because this vacuum booster pump is using sliding rotor assembly, because need not be further provided with blade can be achieved air compression and discharge, compared with existing vacuum booster pump, there is the advantages of structure is simpler, work noise is lower.
Description
Technical field
It the utility model is related to power-assisted pump technical field, more particularly to a kind of reciprocating brake vacuum assist pump.
Background technology
Existing brake boost pump mainly with rotor and stator, to realize the purpose vacuumized, typically can on rotor
Multiple blades are installed, the blade is arranged to the quantity of five or more mostly, and at work, each blade is with determining for this blade
Son is friction sealed, so as to have the function that compressed air, because blade quantity is more, so caused noise is also larger, in view of
This, inventor has made improvement to this.
Utility model content
The purpose of this utility model is in view of the shortcomings of the prior art, there is provided a kind of reciprocating brake vacuum assist pump,
This vacuum booster pump has an on-bladed structure, and work noise is low.
To achieve the above object, a kind of reciprocating brake vacuum assist pump of the present utility model, including pump drain pan and and pump
The enclosing cover of drain pan connection, the pump drain pan are provided with compression chamber, and the compression chamber eccentric setting has the through hole through pump drain pan, institute
State through hole and be equiped with rotating mechanism, the rotating mechanism slidably connects rotor assembly, and the pump drain pan is additionally provided with air admission hole
And steam vent, the air admission hole are connected with intake valve, the steam vent is externally connected to one-way exhaust valve, the rotating mechanism
Rotor driven assembly is discharged by the compression of the air of intake valve and to one-way exhaust valve.
Further, the pump drain pan is provided with oil inlet and is arranged at the oil trap of the bottom surface of pump drain pan.
Preferably, the oil inlet end width of the oil trap is less than oil outlet end width.
Further, the rotating mechanism includes the rotating shaft through through hole, and one end of the rotating shaft is connected with rotating seat, institute
The other end for stating rotating shaft is connected with drive seat, and the rotating seat is provided with the first guide groove to be horizontally slipped for rotor assembly.
Further, the drive seat is provided with the second guide groove, and second guide groove is cylindrical, and second guide groove is lived
It is dynamic to be connected with drive block.
Further, the outer surface of the pump drain pan is provided with connecting screw hole, and the connecting screw hole is located at the side of steam vent
Side, the one-way exhaust valve include limitation steel disc, fixing bolt and the elastic steel sheet for seal vents, the elastic steel sheet
Fixing hole is provided with limitation steel disc, the fixing bolt sequentially passes through limitation steel disc and elastic steel sheet is consolidated with connecting screw hole
It is fixed.
Further, the rotor assembly includes rotor body, and the both ends of the rotor body are provided with accommodating
Chute, the accommodating chute are provided with slidable seal head, at least one pilot hole, institute are provided with the accommodating chute
State seal head and be provided with the lead for stretching into pilot hole.
Preferably, the accommodating chute is U-shaped, and the volute spring for abutting lead is provided with the pilot hole.
Preferably, the pilot hole is provided with three along accommodating chute, and is uniformly distributed along accommodating chute.
Preferably, the seal head includes sliding part and the sealing being connected with sliding part, and the surface of the sealing applies
Sealant layer is covered with, the lead is arranged at sliding part.
The beneficial effects of the utility model：A kind of reciprocating brake vacuum assist pump of the utility model, including pump drain pan and
The enclosing cover being connected with pump drain pan, the pump drain pan are provided with compression chamber, and the compression chamber eccentric setting has through the logical of pump drain pan
Hole, the through hole are equiped with rotating mechanism, and the rotating mechanism slidably connects rotor assembly, the pump drain pan be additionally provided with into
Stomata and steam vent, the air admission hole are connected with intake valve, and the steam vent is externally connected to one-way exhaust valve, the rotation
Mechanism rotor driven assembly is discharged by the compression of the air of intake valve and to one-way exhaust valve；This vacuum booster pump at work, by
Rotating mechanism driving rotor assembly rotation, because rotating mechanism is arranged on the lead to the hole site of eccentric setting, so, rotor assembly exists
During rotation, one end is abutted with the cavity wall of compression chamber, and the situation that dynamic is slided occurs, and then air is pressed in compression chamber
Contracting, the pressure increase after air compression, so that one-way exhaust valve opens discharge air, when rotor assembly rotates again,
Air compressed action next time is recycled into, because this vacuum booster pump is using sliding rotor assembly, because need not
It is further provided with blade and air compression and discharge can be achieved, compared with existing vacuum booster pump, has that structure is simpler, work
Make the advantages of noise is lower.
Brief description of the drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is rearview of the present utility model.
Fig. 3 is Fig. 1 E direction views.
Fig. 4 is the structural representation of rotating mechanism of the present utility model.
Fig. 5 is the structural representation of elastic steel sheet of the present utility model.
Fig. 6 is the structural representation of limitation steel disc of the present utility model.
Fig. 7 is the structural representation of rotor assembly of the present utility model.
Fig. 8 is the structural representation of seal head of the present utility model.
Fig. 9 is front perspective view of the present utility model.
Reference：
Rotor body -- 1, house chute -- 11, pilot hole -- 12, seal head -- 2, lead -- 21, sliding part -- 22,
Sealing -- 23, sealant layer -- 24, volute spring -3,
Pump drain pan -- 4, compression chamber -- 41, air admission hole -- 42, steam vent -- 43, oil inlet -- 44, oil trap -- 45, rotate
Mechanism -- 5, rotating shaft -- 51, rotating seat -- 52, drive seat -- 53, the first guide groove -- 54, the second guide groove -- 55, drive block -- 56,
One-way exhaust valve -- 6, limit steel disc -- 61, fixing bolt -- 62, elastic steel sheet -- 63.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
Referring to Fig. 1 to Fig. 9, a kind of reciprocating brake vacuum assist pump, including pump drain pan 4 and be connected with pump drain pan 4 outer
Lid, the pump drain pan 4 are provided with compression chamber 41, and the eccentric setting of compression chamber 41 has the through hole through pump drain pan 4, the through hole
Rotating mechanism 5 is equiped with, the rotating mechanism 5 slidably connects rotor assembly, and the pump drain pan 4 is additionally provided with the He of air admission hole 42
Steam vent 43, the air admission hole 42 are connected with intake valve, and the steam vent 43 is externally connected to one-way exhaust valve 6, described turn
The rotor driven assembly of motivation structure 5 is discharged by the compression of the air of intake valve and to one-way exhaust valve 6；This vacuum booster pump is working
When, drive rotor assembly to rotate by rotating mechanism 5, because rotating mechanism 5 is arranged on the lead to the hole site of eccentric setting, so, turn
When rotated, one end abuts sub- assembly with the cavity wall of compression chamber 41, and the situation that dynamic is slided occurs, and then in compression chamber 41
Air is compressed, the pressure increase after air compression, so that one-way exhaust valve 6 opens discharge air, works as rotor assembly
When rotating again, air compressed action next time is recycled into, because this vacuum booster pump is total using sliding rotor
Into because need not be further provided with blade can be achieved air compression and discharge, compared with existing vacuum booster pump, tool
There is the advantages of structure is simpler, work noise is lower.
Because rotor assembly is at work it is necessary to have good sealing, therefore, in the technical program, the pump
Drain pan 4 is provided with oil inlet 44 and is arranged at the oil trap 45 of the bottom surface of pump drain pan 4.Oil inlet 44 inputs lubricating oil and enters oil-collecting
Groove 45, when rotor assembly starts to rotate, the lubricating oil in oil trap 45 is lubricated to rotor assembly, so that rotor assembly
Good sealing property is formed with the cavity wall of compression chamber 41, but also the cavity wall of compression chamber 41 and rubbing for rotor assembly can be reduced
Wipe coefficient.
Certainly, in order that the attached oil mass of rotor assembly is bigger, the oil inlet end width of the oil trap 45 is wide less than oil outlet end
Degree.
In the technical program, the rotating mechanism 5 includes the rotating shaft 51 through through hole, one end connection of the rotating shaft 51
There is rotating seat 52, the other end of the rotating shaft 51 is connected with drive seat 53, and the rotating seat 52 is provided with for rotor assembly or so
The first guide groove 54 slided.Rotation seat is cylinder, when rotor assembly works, is slided in the first guide groove 54.
Meanwhile in order to ensure the stability of rotating shaft 51, the drive seat 53 is provided with the second guide groove 55, second guide groove
55 is cylindrical, and second guide groove 55 is connected with drive block 56.So, driving source is worked as, can also be true when vibrating
Protect between the guide groove 55 of drive block 56 and second with vibration gap, make stable transmission reliable, be independent of each other.
In the technical program, the outer surface of the pump drain pan 4 is provided with connecting screw hole, and the connecting screw hole is positioned at exhaust
The side in hole 43, the one-way exhaust valve 6 include limitation steel disc 61, fixing bolt 62 and the Elastic Steel for seal vents 43
Piece 63, the elastic steel sheet 63 and limitation steel disc 61 are provided with fixing hole, and the fixing bolt 62 sequentially passes through limitation steel disc
61 and elastic steel sheet 63 fixed with connecting screw hole.There is gap between the limitation steel disc 61 and elastic steel sheet 63, so that bullet
Property steel disc 63 there is free gap under the discharge pressure effect of compressed air, and after compressed air is discharged, distress resolves, bullet
Property steel disc 63 recover again to the sealing function of steam vent 43, the effect of the limitation steel disc 61 is limitation elastic steel sheet 63 in pressure
Occur excessive elastic deformation in the case of excessive, so that free gap is in safe distance, make the deformation of elastic steel sheet 63
Amount is carried out in the reasonable scope.
In the technical program, the rotor assembly includes rotor body 1, and the both ends of the rotor body 1 are provided with
Accommodating chute 11, the accommodating chute 11 are provided with slidable seal head 2, at least one are provided with the accommodating chute 11
Individual pilot hole 12, the seal head are provided with the lead 21 for stretching into pilot hole 12；This rotor as a result of seal head 2,
During work, seal head 2 can enter line slip along accommodating chute 11, not only easy to assembly, and can quickly pull down replacing,
The mode of this replacing seal head 2, can reduce damage cost to greatest extent.In order to improve the centrifugation of rotor at work
Power, rotor body 1 are made of metal, such as：Aluminium alloy, copper alloy etc., and seal head 2 is in order to realize the pump with boost pump
Shell inner wall sealing, it is molded preferably with plastics PEEK (polyether-ether-ketone), this plastic shaping can be in a manner of mass be molded
Obtain, cost is lower for metal is used, and also the contact sealing property of pump housing endophragm is also more preferable.
In the technical program, the accommodating chute 11 is U-shaped, is provided with the pilot hole 12 for abutting lead
21 volute spring 3.Volute spring 3 can be more accurate to the abutting of lead 21, and volute spring 3 is easily installed and taken
Go out.
Specifically, the pilot hole 12 is provided with three along accommodating chute 11, and is uniformly distributed along accommodating chute 11.
In the technical program, the seal head includes sliding part 22 and the sealing 23 being connected with sliding part 22, described
The surface of sealing 23 is coated with sealant layer 24, and the lead 21 is arranged at sliding part 22.The sealant layer 24 can adopt for
Rubber, so as to characteristics such as wear-resisting, oil resistants.
Through actual test, when the thickness of the sealant layer 24 is arranged between 0.8~1.3mm.So as to obtain most
Good sealing property.
Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality
With new thought, there will be changes, this specification content should not be construed as in specific embodiments and applications
To limitation of the present utility model.
Claims (10)
1. a kind of reciprocating brake vacuum assist pump, including pump drain pan and the enclosing cover that is connected with pump drain pan, it is characterised in that：It is described
Pump drain pan is provided with compression chamber, and the compression chamber eccentric setting has the through hole through pump drain pan, and the through hole is equiped with rotating machine
Structure, the rotating mechanism slidably connect rotor assembly, and the pump drain pan is additionally provided with air admission hole and steam vent, the air admission hole
It is connected with intake valve, the steam vent is externally connected to one-way exhaust valve, and the rotating mechanism rotor driven assembly is by air inlet
Valve air compression and to one-way exhaust valve discharge.
A kind of 2. reciprocating brake vacuum assist pump according to claim 1, it is characterised in that：The pump drain pan is provided with
Oil inlet and be arranged at pump drain pan bottom surface oil trap.
A kind of 3. reciprocating brake vacuum assist pump according to claim 2, it is characterised in that：The oil-feed of the oil trap
End width is less than oil outlet end width.
A kind of 4. reciprocating brake vacuum assist pump according to claim 1, it is characterised in that：The rotating mechanism includes
Through the rotating shaft of through hole, one end of the rotating shaft is connected with rotating seat, and the other end of the rotating shaft is connected with drive seat, the rotation
Swivel base is provided with the first guide groove to be horizontally slipped for rotor assembly.
A kind of 5. reciprocating brake vacuum assist pump according to claim 4, it is characterised in that：The drive seat is provided with
Two guide grooves, second guide groove is cylindrical, and second guide groove is connected with drive block.
A kind of 6. reciprocating brake vacuum assist pump according to claim 1, it is characterised in that：The outer surface of the pump drain pan
Connecting screw hole is provided with, the connecting screw hole is located at the side of steam vent, and the one-way exhaust valve includes limitation steel disc, fixed spiral shell
Bolt and the elastic steel sheet for seal vents, the elastic steel sheet and limitation steel disc are provided with fixing hole, the fixed spiral shell
Bolt sequentially passes through limitation steel disc and elastic steel sheet is fixed with connecting screw hole.
7. according to a kind of any one of claim 1~6 reciprocating brake vacuum assist pump, it is characterised in that：The rotor
Assembly includes rotor body, and the both ends of the rotor body are provided with accommodating chute, and the accommodating chute is provided with
Slidable seal head, at least one pilot hole is provided with the accommodating chute, the seal head, which is provided with, stretches into pilot hole
Lead.
A kind of 8. reciprocating brake vacuum assist pump according to claim 7, it is characterised in that：The accommodating chute is U-shaped,
The volute spring for abutting lead is provided with the pilot hole.
A kind of 9. reciprocating brake vacuum assist pump according to claim 8, it is characterised in that：The pilot hole edge is accommodating
Chute is provided with three, and is uniformly distributed along accommodating chute.
A kind of 10. reciprocating brake vacuum assist pump according to claim 7, it is characterised in that：The seal head includes
Sliding part and the sealing being connected with sliding part, the surface of the sealing are coated with sealant layer, and the lead is arranged at
Sliding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720142031.XU CN206723044U (en) | 2017-02-17 | 2017-02-17 | A kind of reciprocating brake vacuum assist pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720142031.XU CN206723044U (en) | 2017-02-17 | 2017-02-17 | A kind of reciprocating brake vacuum assist pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206723044U true CN206723044U (en) | 2017-12-08 |
Family
ID=60500499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720142031.XU Expired - Fee Related CN206723044U (en) | 2017-02-17 | 2017-02-17 | A kind of reciprocating brake vacuum assist pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206723044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869761A (en) * | 2018-09-17 | 2018-11-23 | 东莞市奥垦汽车泵业有限公司 | A kind of mute improvement control valve of oil pump |
-
2017
- 2017-02-17 CN CN201720142031.XU patent/CN206723044U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869761A (en) * | 2018-09-17 | 2018-11-23 | 东莞市奥垦汽车泵业有限公司 | A kind of mute improvement control valve of oil pump |
| CN108869761B (en) * | 2018-09-17 | 2024-03-15 | 东莞珀力伟动力科技有限公司 | Mute improved control valve of oil pump |
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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: 20171208 Termination date: 20210217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |