CN104074743A - Efficient steering pump - Google Patents
Efficient steering pump Download PDFInfo
- Publication number
- CN104074743A CN104074743A CN201410225434.1A CN201410225434A CN104074743A CN 104074743 A CN104074743 A CN 104074743A CN 201410225434 A CN201410225434 A CN 201410225434A CN 104074743 A CN104074743 A CN 104074743A
- Authority
- CN
- China
- Prior art keywords
- side plate
- steering pump
- pump
- spring
- oil
- 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.)
- Pending
Links
Landscapes
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses an efficient steering pump. A shaft and a motor are of a coaxial structure, an oil inlet side plate, a stator and an oil outlet side plate are connected on a pump body in a penetrating manner through a positioning pin; a pump cover is arranged at one end of the pump body; a rotor is arranged in the inner hole of the stator; blades are arranged in the groove hole of the rotor; a spring is arranged at one end of a sliding valve; a tapered valve is arranged in the sliding valve; a spring is arranged between one end of the tapered valve and the sliding valve; one end of the sliding valve, which is provided with the spring, is connected with an oil outlet connector. According to the efficient steering pump, a traditional transmission mode for coupling connection of shaft coupling, gear, and the like is cancelled; an output shaft of the steering pump and an output shaft of the motor are designed to be one shaft, one end of the shaft is assembled together with the motor and the other end of the shaft is assembled together with the steering pump; when the motor shaft rotates, the parts in the steering pump are directly and synchronously driven to run, the work of the steering pump is realized without transmission loss during work of the steering pump; besides the design characteristic of improving transmission efficiency, the steering pump is also characterized in that the design part of a bearing and a retainer ring in the steering pump is removed and the structure is simplified.
Description
Technical field
The present invention relates to hydraulic transmission technology field, relate in particular to hydraulic booster vehicle steering system technical field.
Background technique
Motor turning is to adopt mechanical type steering wheel to realize for many years always, and operating direction machine has pinion and-rack, circulating ball type, and this form steering torque is larger, and operating flexibility is poor, easily produces fatigue and poor stability during driver's operation.Along with the economic development of China, people's living standard improves constantly, driving comfort cry is more and more high, and the fast development of automobile industry, high-powered engine heavy duty vehicle is in rising trend, steering force strengthens gradually, and mechanical type steering wheel can not meet China Automobile Industry, and hydraulic power-assist steering system is to solve to reduce handling maneuver power, reduction driver labor intensity effective ways.Yet, at steering pump axle head, connect transmission efficiency loss large, how to improve transmission efficiency is the object that steering system industry is studied always.
Summary of the invention
In order to improve the transmission efficiency of hydraulic power-assisted steering pump shaft, the invention provides a kind of synchronous without transmission loss the high steering pump of performance accuracy.
The technological scheme that the present invention adopted is for achieving the above object: efficient steering pump, axle 2 is coaxial configuration with motor assembly 1, in the pump housing 22, be provided with oil-feed side plate 23 and fuel-displaced side plate 15, axle 2 runs through oil-feed side plate 23 and fuel-displaced side plate 15 centers of being installed on, oil-feed side plate 23, stator 21 and fuel-displaced side plate 15 are run through and are connected on the pump housing 22 by locating stud 8, the pump housing 22 one end are provided with pump cover 17, rotor 19 is installed in stator 21 endoporus, blade 20 is being installed in rotor 19 slotted eyes, blade 20, stator 21 negative cambers, oil-feed side plate 23 and fuel-displaced side plate 15 form closed containing cavity, in the pump housing 22, be provided with guiding valve 4, guiding valve 4 one end are provided with spring 9, and guiding valve 4 inside are provided with cone valve 5, between cone valve 5 one end and guiding valve, are provided with spring 6, and guiding valve 4 has one end of spring 9 to connect delivery connection 14.
Fixing by Steel Cable Baffle Ring 12 between described pump cover 17 and the pump housing 22.
Mounting spring 16 between described fuel-displaced side plate 15 and pump cover 17.
On described axle 2, be positioned at oil-feed side plate 23 1 side mounting framework oil sealings 3.
Efficient steering pump of the present invention, abolished the transfer mode that traditional shaft coupling, gear etc. are of coupled connections, steering pump output shaft and motor output shaft are designed to an axle, axle one end and motor assembling, the other end and steering pump assembling, when motor shaft rotates, directly the synchronous steering pump inner piece that drives turns round, realize the work of steering pump, middle without transmission loss.Except improving the design feature of transmission efficiency, the design part of bearing, back-up ring has been removed in the inside of steering pump, and structure is simplified.
Accompanying drawing explanation
Fig. 1 is the efficient steering pump sectional structure chart of the present invention.
In figure: 1. motor assembly, 2. axle, 3. outside framework oil seal, 4. guiding valve, 5. cone valve, 6. spring, 7.O RunddichtringO, 8. locating stud, 9. spring, 10.O RunddichtringO, 11. O RunddichtringOs, 12. Steel Cable Baffle Rings, 13. combination mat, 14. delivery connections, 15. fuel-displaced side plates, 16. springs, 17. pump covers, 18. composite bearings, 19. rotors, 20. blades, 21. stators, 22. pump housings, 23. oil-feed side plates, 24. O RunddichtringOs, 25. locating studs, 26. O RunddichtringOs.
Embodiment
Efficient steering pump structure of the present invention as shown in Figure 1, axle 2 is coaxial configuration with motor assembly 1, the same axis 2 one end assembling motor assemblies 1, one end packs all parts of steering pump in the integrated type pump housing 22 into, then with pump cover 17 sealings, fixing by Steel Cable Baffle Ring 12 between pump cover 17 and the pump housing 22.In the pump housing 22, be provided with oil-feed side plate 23 and fuel-displaced side plate 15, axle 2 runs through and is installed on oil-feed side plate 23 and fuel-displaced side plate 15 centers, and oil-feed side plate 23, stator 21 and fuel-displaced side plate 15 are run through and are connected on the pump housing 22 by locating stud 8, have limited rotary freedom.Mounting spring 16 between fuel-displaced side plate 15 and pump cover 17, spring 16 is pressed in fuel-displaced side plate 15 end faces and has limited axial position and played again floating effect.In the pump housing 22, be provided with guiding valve 4, guiding valve 4 one end are provided with spring 9, guiding valve 4 inside are provided with cone valve 5, between cone valve 5 one end and guiding valve, be provided with spring 6, guiding valve 4 has one end of spring 9 to connect delivery connection 14, delivery connection 14 one end are connected with pump housing valve opening, and connection part seals by combination mat 13, and the other end is connected with fuel-displaced pipeline.Rotor 19 is installed in stator 21 endoporus, under the driving of axle 2, rotate, make to be mounted in it flat the dishing out of blade 20 in rotor 19 slotted eyes, blade 20 forms closed containing cavity with stator 21 negative cambers, oil-feed side plate 23 and fuel-displaced side plate 15, and by the oily fenestra on oil-feed side plate 23, fluid is sucked; When rotor 19 forwards stator 21 negative cambers to, fall journey part, because cavity volume reduces, compressed fluid flows out by the fuel-displaced fenestra of fuel-displaced side plate 15, and the fluid of outflow is controlled flow by damping hole and entered steering system through delivery connection 14.Flow into flow control guiding valve 4 has one end of spring 9 simultaneously.Part fluid enters flow control relief valve without spring 9 ends.Because the flow of the damping hole of flowing through can produce pressure reduction, when pressure reduction is more than or equal to spring 9 power, the balance of guiding valve 4 is broken, and guiding valve 4 produces mobile, using oil pocket communicates with oil spilling mouth, fuel-displaced cavity segment flow overflows through flow-off, makes output flow be tending towards constant, realizes flow control principle.Act on the fluid of spring 6 ends, by conical valve base upward pressure damping hole, act on cone valve 5, when system pressure is more than or equal to spring 6 pre-set up several, cone valve 5 is opened and overflow, has limited the maximum pressure of system, realizes pressure control principle.Spring 16 guarantees that fuel-displaced side plate 15, stator 21 can closely be connected, and guarantee that design performance is achieved.The composite bearing 18 and the motor assembly 1 connecting end bearing that pack the pump housing 22 into, centering and the transmission accuracy of assurance axle 2, realize motor assembly 1 and synchronize without transmission loss with steering pump and realize performance accuracy.On axle 2, be positioned at oil-feed side plate 23 1 side mounting framework oil sealings 3, outside framework oil seal 3 sealing functions are for guaranteeing that air is not inhaled into and oil pocket fluid does not leak.
The present invention is described by embodiment, and those skilled in the art know, without departing from the spirit and scope of the present invention, can carry out various changes or equivalence replacement to these features and embodiment.In addition, under instruction of the present invention, can modify to adapt to concrete situation and material and can not depart from the spirit and scope of the present invention these features and embodiment.Therefore, the present invention is not subject to the restriction of specific embodiment disclosed herein, and the embodiment within the scope of all the application's of falling into claim belongs to protection scope of the present invention.
Claims (4)
1. efficient steering pump, it is characterized in that: axle (2) is coaxial configuration with motor assembly (1), in the pump housing (22), be provided with oil-feed side plate (23) and fuel-displaced side plate (15), axle (2) runs through oil-feed side plate (23) and fuel-displaced side plate (15) center of being installed on, oil-feed side plate (23), stator (21) and fuel-displaced side plate (15) are run through and are connected on the pump housing (22) by locating stud (8), the pump housing (22) one end is provided with pump cover (17), rotor (19) is installed in stator (21) endoporus, blade (20) is installed in rotor (19) slotted eye, blade (20), stator (21) negative camber, oil-feed side plate (23) and fuel-displaced side plate (15) form closed containing cavity, in the pump housing (22), be provided with guiding valve (4), guiding valve (4) one end is provided with spring (9), guiding valve (4) inside is provided with cone valve (5), is provided with spring (6) between cone valve (5) one end and guiding valve, and guiding valve (4) has one end of spring (9) to connect delivery connection (14).
2. efficient steering pump according to claim 1, is characterized in that: fixing by Steel Cable Baffle Ring (12) between described pump cover (17) and the pump housing (22).
3. efficient steering pump according to claim 1, is characterized in that: mounting spring (16) between described fuel-displaced side plate (15) and pump cover (17).
4. efficient steering pump according to claim 1, is characterized in that: on described axle (2), be positioned at oil-feed side plate (23) one side mounting framework oil sealings (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410225434.1A CN104074743A (en) | 2014-05-27 | 2014-05-27 | Efficient steering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410225434.1A CN104074743A (en) | 2014-05-27 | 2014-05-27 | Efficient steering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104074743A true CN104074743A (en) | 2014-10-01 |
Family
ID=51596269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410225434.1A Pending CN104074743A (en) | 2014-05-27 | 2014-05-27 | Efficient steering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104074743A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640633A (en) * | 2016-12-01 | 2017-05-10 | 大连液压件有限公司 | High-efficiency electric steering pump |
| CN106894984A (en) * | 2017-03-14 | 2017-06-27 | 广西玉柴机器股份有限公司 | Diesel engine steering pump |
| CN109969258A (en) * | 2017-12-28 | 2019-07-05 | 比亚迪股份有限公司 | Electric oil pump assembly and vehicle with it |
-
2014
- 2014-05-27 CN CN201410225434.1A patent/CN104074743A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640633A (en) * | 2016-12-01 | 2017-05-10 | 大连液压件有限公司 | High-efficiency electric steering pump |
| CN106894984A (en) * | 2017-03-14 | 2017-06-27 | 广西玉柴机器股份有限公司 | Diesel engine steering pump |
| CN109969258A (en) * | 2017-12-28 | 2019-07-05 | 比亚迪股份有限公司 | Electric oil pump assembly and vehicle with it |
| CN109969258B (en) * | 2017-12-28 | 2021-03-26 | 比亚迪股份有限公司 | Electric oil pump assembly and vehicle with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9660502B2 (en) | Cooling system for electric motor with internal shaft passage and cooling medium reservoir | |
| CN103527386A (en) | Integrated drive generator pump plate | |
| CN104074743A (en) | Efficient steering pump | |
| CN102777378A (en) | Pump-motor assembly | |
| CN203809311U (en) | Novel magnetic pump | |
| CN204413845U (en) | A kind of integral type electro spindle | |
| CN104074745A (en) | Electric steering pump | |
| CN202646157U (en) | Improved water pump | |
| CN104061153A (en) | Steering pump with single oil opening | |
| CN201671842U (en) | Submersible pump | |
| CN102338081A (en) | Tow-body internal-leaked steering booster pump | |
| CN203114654U (en) | Submersible electric pump with axial thrust balancing function | |
| CN217282495U (en) | Take wheel hub motor of breather valve | |
| CN106640633A (en) | High-efficiency electric steering pump | |
| CN202521203U (en) | Oil pump and diesel engine with oil pump | |
| CN202220633U (en) | Gear transmission rotor oil pump connected with an end cover of an engine | |
| CN102352838A (en) | Two-body outflow type power steering pump | |
| CN102330674A (en) | Pressure-proof inside-discharge type steering power-assisted pump | |
| CN103321898A (en) | Pressure resistant steering pump | |
| CN102338084A (en) | Integral external-release type power steering pump | |
| CN102338085A (en) | Integral internal-discharge-type power steering pump | |
| CN204226215U (en) | The multistage radial subdivision of magneto drive is arranged symmetrically with self-balancing centrifugal pump | |
| CN209458197U (en) | A kind of axial force balance structure of single-stage magnetic centrifugal pump | |
| CN102330673B (en) | Pressure withstanding outflow type power-assisted steering pump | |
| CN203044776U (en) | Closed loop for traveling of forging manipulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141001 |
|
| WD01 | Invention patent application deemed withdrawn after publication |