CN204527295U - Electric hydraulic power-assisted steering pump assembly - Google Patents
Electric hydraulic power-assisted steering pump assembly Download PDFInfo
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- CN204527295U CN204527295U CN201520186573.8U CN201520186573U CN204527295U CN 204527295 U CN204527295 U CN 204527295U CN 201520186573 U CN201520186573 U CN 201520186573U CN 204527295 U CN204527295 U CN 204527295U
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Abstract
The utility model discloses a kind of electric hydraulic power-assisted steering pump assembly, comprise electrical motor, Hydraulic Pump, oil can and bearing, bearing has the sleeve pipe installed matrix and be connected with installation matrix, oil can and Hydraulic Pump are located to be installed on matrix, Hydraulic Pump is also positioned at oil can inside, the electrical motor be connected with Hydraulic Pump is located on sleeve pipe, and bearing also has the oil-bearing structure be communicated with oil can.Electric hydraulic power-assisted steering pump assembly of the present utility model, by arranging oil-bearing structure on bearing, and oil resevoir is tortuous setting, fluid flows into from oil feed groove, the oil resevoir arranged along complications flow to bearing containing cavity, the oil reserve that this oil-bearing structure improves on the one hand, the fluid of inflow can be made to slow down on the one hand, improve the stability of whole oil circuit, also reduce the noise that fluid flowing produces simultaneously.
Description
Technical field
The utility model belongs to wheel steering system technical field, and specifically, the utility model relates to a kind of electric hydraulic power-assisted steering pump assembly.
Background technology
At present, be all generally use oil can as oil storage carrier in the hydraulic circuit of electric hydraulic power-assisted steering pump, for supplementing or storing the hydraulic oil in oil circuit.Due to oil can finite volume, therefore its oil reserve is also limited.
Utility model content
The utility model provides a kind of electric hydraulic power-assisted steering pump assembly, and object improves oil reserve.
To achieve these goals, the technical scheme that the utility model is taked is: electric hydraulic power-assisted steering pump assembly, comprise electrical motor, Hydraulic Pump, oil can and bearing, bearing has the sleeve pipe installed matrix and be connected with installation matrix, oil can and Hydraulic Pump are located to be installed on matrix, Hydraulic Pump is also positioned at oil can inside, and the electrical motor be connected with Hydraulic Pump is located on sleeve pipe, and bearing also has the oil-bearing structure be communicated with oil can.
The end face of described installation matrix has bearing containing cavity, described oil-bearing structure comprises oil feed groove, the tortuous oil resevoir of setting and the cover plate for closed oil resevoir, oil feed groove and oil resevoir are located on the end face of described installation matrix, one end of oil resevoir is communicated with oil feed groove, and the other end is communicated with described bearing containing cavity.
The end face of described installation matrix is provided with the oil can installation base of annular arrangement, and described oil-bearing structure is positioned at the inner side of oil can installation base.
Described cover plate is circular, and cover plate is also coaxial with described oil can installation base.
The position of the corresponding described oil feed groove in edge of described cover plate is provided with breach.
Described oil resevoir comprises the first oil resevoir, the second oil resevoir, the 3rd oil resevoir, the 4th oil resevoir, the 5th oil resevoir and the 6th oil resevoir that connect successively, 3rd oil resevoir, the 4th oil resevoir and the 5th oil resevoir are positioned at the inner side of the first oil resevoir, 6th oil resevoir is positioned at the inner side of the 5th oil resevoir, first oil resevoir is communicated with described oil feed groove, and the 6th oil resevoir is communicated with described bearing containing cavity.
The radian of described second oil resevoir is greater than 180 degree, and the center of circle of the second oil resevoir is positioned at the inner side of described first oil resevoir.
The center of described second oil resevoir is provided with one first boss, and described oil-bearing structure also comprises the first shoe cream room be located on the first boss, and the first shoe cream room is communicated with oil resevoir.
The center of described 3rd oil resevoir is provided with one second boss, and described oil-bearing structure also comprises the second shoe cream room be located on the second boss, and the second shoe cream room is communicated with oil resevoir.
Electric hydraulic power-assisted steering pump assembly of the present utility model, by arranging oil-bearing structure on bearing, and oil resevoir is tortuous setting, fluid flows into from oil feed groove, the oil resevoir arranged along complications flow to bearing containing cavity, the oil reserve that this oil-bearing structure improves on the one hand, the fluid of inflow can be made to slow down on the one hand, improve the stability of whole oil circuit, also reduce the noise that fluid flowing produces simultaneously.
Accompanying drawing explanation
This specification sheets comprises the following drawings, shown content respectively:
Fig. 1 is the structural representation of the utility model electric hydraulic power-assisted steering pump assembly;
Fig. 2 is the structural representation of bearing;
Fig. 3 is the structural representation of oil-bearing structure;
Fig. 4 is the structural representation after oil-bearing structure removes cover plate;
Fig. 5 is the structural representation of cover plate;
Fig. 6 is the cutaway view at bearing containing cavity place;
Fig. 7 is the cutaway view of the utility model electric hydraulic power-assisted steering pump assembly;
Fig. 8 is the assembly drowing of bearing and motor stator;
Fig. 9 is the assembly drowing of bearing and circlip;
Figure 10 is the structural representation of circlip;
Be labeled as in figure:
1, oil feed groove; 2, bearing; 21, sleeve pipe; 22, matrix is installed; 23, oil can installation base; 24, high pressure oil outlet; 25, the first boss; 26, the second boss; 27, the 3rd boss; 28, the 4th boss; 29, the 5th boss; 210, knock hole; 211, mounting hole; 212, bearing containing cavity; 213, draw-in groove; 214, positioning groove; 215, fuel feed hole;
3, cover plate; 31, cover board body; 32, locating dowel pin; 33, breach; 34, liquid pass hole;
4, the first oil resevoir; 5, the second oil resevoir; 6, the 3rd oil resevoir; 7, the 4th oil resevoir; 8, the 5th oil resevoir; 9, the 6th oil resevoir; 10, the first shoe cream room; 11, the second shoe cream room;
12, electrical motor; 121, motor stator; 122, rotor; 123, motor shaft;
13, oil can; 131, oil returning pipe joint;
14, oil sealing; 15, bearing; 16, packing seal; 17, Hydraulic Pump;
18, circlip; 181, interior projection; 182, outer back-up ring.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, be described in further detail detailed description of the invention of the present utility model, object helps those skilled in the art to have more complete, accurate and deep understanding to design of the present utility model, technical scheme, and contribute to its enforcement.
As shown in Figures 1 to 7, the utility model provides a kind of electric hydraulic power-assisted steering pump assembly, the hydraulic power-assist steering system on vehicle.This electric hydraulic power-assisted steering pump assembly comprises electrical motor 12, Hydraulic Pump 17, oil can 13 and bearing 2, bearing 2 has the sleeve pipe 21 installed matrix 22 and be connected with installation matrix 22, oil can 13 and Hydraulic Pump 17 are arranged to be installed on matrix 22, Hydraulic Pump 17 is also positioned at the inside of oil can 13, the electrical motor 12 be connected with Hydraulic Pump 17 is located on sleeve pipe 21, and bearing 2 also has the oil-bearing structure be communicated with oil can 13.This electric hydraulic power-assisted steering pump assembly adopts the running of direct motor drive Hydraulic Pump to provide operation pressure fluid to steering swivel system pressure oil circuit, there is good energy-saving effect, the fuel economy of car load can be improved, and can be arranged to determine whether to output control signals to electrical motor according to the turn around parameters signal of Real-time Obtaining, improve safety and the traveling comfort of driving.
This electric hydraulic power-assisted steering pump assembly is by fully-integrated one of parts such as electrical motor 12, Hydraulic Pump 17 and oil cans 13, and small product size is little, takes up room little, easy for installation, and compatible with environment is better, does not need to carry out special dust-proof, water-proofing treatment.
Specifically, as shown in Figure 2, the bearing 2 of this electric hydraulic power-assisted steering pump assembly comprises installation matrix 22 for installing oil can 13 and sleeve pipe 21, sleeve pipe 21 is the cylindrical member of inner hollow, for installing electrical motor 2, sleeve pipe 21 stretches out towards the side of installing matrix 22, and oil can 13 is arranged on the opposite side installing matrix 22.Be installed to after on vehicle at this electric hydraulic power-assisted steering pump assembly, oil can 13 is positioned at the top, and electrical motor 12 and sleeve pipe 21 are positioned at the below of installing matrix 22.The end face installing matrix 22 has bearing containing cavity 212, bearing 15 is placed with in this bearing containing cavity 212, this bearing containing cavity 212 is communicated with the centre hole of sleeve pipe 21 and coaxial, motor shaft 123 inserts in the centre hole of sleeve pipe 21, and insert in bearing containing cavity 212 and be connected with the main shaft of Hydraulic Pump 17, bearing 15 is enclosed within motor shaft 123, and Hydraulic Pump 17 operates under the effect of electrical motor 2, finally makes fluid flow out from high pressure oil outlet 24.This bearing 2 also comprises oil-bearing structure, this oil-bearing structure comprises oil feed groove 1, the tortuous oil resevoir of setting and the cover plate 3 for closed oil resevoir, oil feed groove 1 and oil resevoir are located on the end face of installation matrix 22, and one end of oil resevoir is communicated with oil feed groove 1, and the other end is communicated with bearing containing cavity 212.After this electric hydraulic power-assisted steering pump assembly is installed, oil can 13 is positioned at the top, oil-bearing structure is also positioned at the lower zone of Hydraulic Pump 17, oil feed groove 1 and the oil can inner space of oil-bearing structure, fluid flows into from oil feed groove 1, the oil resevoir arranged along complications flow to bearing containing cavity 212, this oil-bearing structure can improve the oil reserve of electric hydraulic power-assisted steering pump assembly on the one hand, the fluid flowing to bearing containing cavity 212 can be made on the other hand to slow down, add the stability of whole oil circuit, reduce the noise that fluid flowing produces; Meanwhile, oil-bearing structure is positioned at below oil can inner chamber, can make there is fluid all the time in bearing containing cavity 212, have good lubricant effect all the time to the bearing 15 made in bearing containing cavity 212.
As shown in Figures 2 and 3, install the oil can installation base 23 that the end face of matrix 22 is provided with annular arrangement, oil can installation base 23, for the location of oil can 13 and installation, is enclosed within when oil can 13 is installed on this oil can installation base 23.Oil-bearing structure is positioned at the inner side of oil can installation base 23, and the endoporus of oil can installation base 23 also put into by cover plate 3.As shown in Figure 5, cover plate 3 is circular configuration, and cover plate 3 is fixed on the end face of installation matrix 22, and coaxial with oil can installation base 23.
As shown in Figure 4, the oil resevoir of oil-bearing structure comprises the first oil resevoir 4, second oil resevoir 5, the 3rd oil resevoir 6, the 4th oil resevoir 7, the 5th oil resevoir 8 and the 6th oil resevoir 9 that connect successively, 3rd oil resevoir 6, the 4th oil resevoir 7 and the 5th oil resevoir 8 are positioned at the inner side of the first oil resevoir 4,6th oil resevoir 9 is positioned at the inner side of the 5th oil resevoir 8, and bearing containing cavity 212 is positioned at the inner side of the 6th oil resevoir 9.In figure, dotted line represents that the inner fluid of oil-bearing structure flows to, first oil resevoir 4 is communicated with oil feed groove 1,6th oil resevoir 9 is communicated with bearing containing cavity 212, the fluid entered from oil feed groove 1, successively through the first oil resevoir 4, second oil resevoir 5, the 3rd oil resevoir 6, the 4th oil resevoir 7, the 5th oil resevoir 8 and the 6th oil resevoir 9, flow in bearing containing cavity 212.
As shown in Figure 4, ab section is the first oil resevoir 4, first oil resevoir 4 is circular arc, and radian is greater than 180 degree, and arc length and radius are also maximum, and the first oil resevoir 4 is concentric with oil can installation base 23; Bc section is that the radian of the second oil resevoir 5, second oil resevoir 5 is greater than 180 degree, and the center of circle of the second oil resevoir 5 is positioned at the inner side of the first oil resevoir 4.Cd section is the 3rd oil resevoir the 6, three oil resevoir 6 is C shape, has the bending of two places; De section is the 4th oil resevoir the 7, four oil resevoir 7 is circular arc, and its radian is less than 180 degree, and arc length is less, is less than the arc length of the second oil resevoir 5; Ef section is the 5th oil resevoir the 8, five oil resevoir 8 is circular arc, and its radian is less than 180 degree, and the 5th oil resevoir 8 is concentric with the first oil resevoir 4; Fg section is the 6th oil resevoir the 9, five oil resevoir 8 is arc.
As shown in Figure 4, oil feed groove 1 and oil resevoir are the groove being recessed on formation at the end face installing matrix 22, thus some boss and dividing plate is formed on installation matrix 22, position as being positioned at the second oil resevoir 5 center is formed with first boss 25, and the position being positioned at the 3rd oil resevoir 6 center is formed with second boss 26.Oil-bearing structure also comprises the first shoe cream room 10 be located on the first boss 25 and the second shoe cream room 11 be located on the second boss 26, the sidewall of the first boss 25 and the second boss 26 is provided with the opening allowing fluid pass through, first shoe cream room 10 is communicated with oil resevoir by opening with the second shoe cream room 11, and the fluid entering oil resevoir is flowed in the first liquid storage cylinder and the second liquid storage cylinder by opening.By arranging the first shoe cream room 10 and the second shoe cream room 11, oil reserve can be improved further, be connected with outer oil circuit, pressure is identical, if the sidewall at the first shoe cream room 10 place does not have opening simultaneously, fluid cannot flow in the first shoe cream room 10, form negative pressure in first shoe cream room 10, and between bc section oil resevoir, mineralization pressure is poor, causes the position of corresponding first shoe cream room 10 on cover board body 31 that deformation occurs, affect cover board body 31 planeness herein, and then reduce the output performance of gear type pump; In like manner, if the sidewall at the second shoe cream room 11 place does not have opening yet, fluid cannot flow in the second shoe cream room 11, negative pressure is formed in second shoe cream room 11, and mineralization pressure is poor between cd section oil resevoir, cause the position plate generation deformation of corresponding second shoe cream room 11 on cover board body 31, affect corresponding planeness herein on cover board body 31, and then reduce the output performance of gear type pump.
As shown in Figure 4, second oil resevoir 5 is set between first oil resevoir 4 and the 3rd oil resevoir 6 and realizes arc transition, because the radian of the second oil resevoir 5 is comparatively large, the volume of the first boss 25 that its medial center is formed is relatively large, and the thickness of the dividing plate between its size two oil resevoirs more adjacent than interior outside is large; The situation of the 3rd oil resevoir 6 and the second oil resevoir 5 is similar, 3rd oil resevoir 6 has the bending of two places, and bending direction is contrary with the bending direction of the second oil resevoir 5, the volume of the second boss 26 formed inside the 3rd oil resevoir 6 is also comparatively large, and is greater than the volume of the first boss 25.Again because bearing 2 is adopt the mode of aluminium liquid cast to make blank when making, first boss 25 and the second boss 26 as larger in fruit volume, when pouring into a mould, blank can form pore herein, affect blank quality, therefore the first shoe cream room 10 need be set at the first boss 25 place, at the second boss 26 place, the second shoe cream room 11 is set, first shoe cream room 10 is circular cavity, second shoe cream room 11 is trapeziform cavity, the volume of the second shoe cream room 11 is also greater than the volume of the first shoe cream room 10, the setting of the first shoe cream room 10 makes sidewall wall thickness adjacent with the second oil resevoir 5 on the first boss 25 in the same size, the setting of the second shoe cream room 11 makes sidewall wall thickness adjacent with the 3rd oil resevoir 6 on the second boss 25 in the same size, namely as shown in Figure 3, first boss 25 is formed with the circular arc sidewall that one section of radian is greater than 180 degree, second boss 26 is formed with the sidewall of C shape, and the wall thickness of dividing plate between this two places sidewall wall thickness two oil resevoirs adjacent with interior outside is consistent, avoid the formation of pore in bearing blank casting process, improve blank quality.
As shown in Figure 3 and Figure 5, cover plate 3 has the cover board body 31 for closed oil resevoir, and the position of the corresponding oil feed groove 1 in edge of cover board body 31 is provided with breach 33, and this breach 33 makes the inner space of oil feed groove 1 and oil can 13, and such fluid just can enter.Cover plate 3 is fixedly mounted on to install on matrix 22, two locating dowel pins 32 protruded and the through hole allowing bolt pass is provided with in the side of cover board body 31, the center of cover board body 31 is provided with a through hole allowing the main shaft of Hydraulic Pump 17 pass, and this lead to the hole site aligns with bearing containing cavity 212.As shown in Figure 4, the boss installed on matrix 22 also comprises the 3rd boss 27, the 4th boss 28 and the 5th boss 29,3rd boss 27 is between the 5th oil resevoir 8 and the 6th oil resevoir 9,4th boss 28 is between oil feed groove 1 and the second oil resevoir 5, and the 5th boss 29 is between the first oil resevoir 4 and the 4th oil resevoir 7.4th boss 28 and the 5th boss 29 are for being oppositely arranged, be distributed in the both sides of bearing containing cavity 212,4th boss 28 and the 5th boss 29 are respectively equipped with a mounting hole 211, and this mounting hole 211 is tapped bore, and two mounting holes 211 align with the lead to the hole site on cover board body 31.First boss 25 and the 3rd boss 27 are for being oppositely arranged, be distributed in the both sides of bearing containing cavity 212, first boss 25 and the 3rd boss 27 are respectively equipped with a knock hole 210, match with the locating dowel pin 32 on cover board body 31, locating dowel pin 32 inserts in knock hole 210, can realize cover plate 3 and install the location on matrix 22, cover plate 3 is finally bolted.Fitting with the end face installing matrix 22 in cover board body 31 side, also namely fits with the end face of oil can installation base 23, first boss 25, second boss 26, the 3rd boss 27, the 4th boss 28 and the 5th boss, oil resevoir and shoe cream room are closed.
As shown in Figure 6, the bearing containing cavity 212 installing matrix 22 inside is circular cavity, and bearing containing cavity 212 is also coaxial with the centre hole of sleeve pipe 21, and bearing containing cavity 212 has certain degree of depth, inner placement one bearing 15.In order to avoid entering the oil liquid leakage of oil resevoir, position near bearing containing cavity 212 in the centre hole of sleeve pipe 21 is provided with oil sealing 14, oil sealing 14 is positioned at bearing 15 side, the one end open of bearing containing cavity 212 is sealed, fluid is made to be stored in bearing containing cavity 212, keep the lubrication to bearing 15, improve service life.
As shown in figs. 4 and 7, the 4th boss 28 installing matrix 22 is provided with a fuel feed hole 215, this fuel feed hole 215 is communicated with the oil duct installing matrix 22 inside, Hydraulic Pump 17 operates, the fluid of oil can 13 inside flows out through Hydraulic Pump 17 and enters fuel feed hole 215, then flow through and install matrix 22 internal galleries, finally flow out from high pressure oil outlet 24, fluid flowing as shown in phantom in Figure 7.As shown in Figure 5, because cover plate 3 encloses oil resevoir and shoe cream room, corresponding be provided with on cover board body 31 one with the liquid pass hole 34 of fuel feed hole 215 aligned in position, as described in Figure 7, this liquid pass hole 34 is manhole, its diameter is greater than the diameter of fuel feed hole 215, this liquid pass hole 34 is also communicated with the oil outlet of Hydraulic Pump 17 lower end, the packing seal 16 of an O type is provided with in liquid pass hole 34, packing seal 16 pads on the end face installing matrix 22, the oil outlet of Hydraulic Pump 17 inserts liquid pass hole 34, packing seal 16 realizes the sealing between the oil outlet of Hydraulic Pump 17 and cover board body 31, thus the fluid that Hydraulic Pump 17 oil outlet flows out flows into the fuel feed hole 215 installed on matrix 22 through liquid pass hole 34, then flow through and matrix 22 internal galleries is installed, finally flow out from high pressure oil outlet 24.
As shown in Figure 7; the oil can 13 of this electric hydraulic power-assisted steering pump assembly is fixedly connected with installation matrix 22; and seal between the two; Hydraulic Pump 17 is arranged in oil can 13; not only reduce the installing space of assembly; and the Hydraulic Pump 17 be immersed in fluid obtains the protection of replacing in relatively airtight environment, adds service life.As preferably, Hydraulic Pump 17 is gear type pump, and gear pump structure as well known in the skilled person, does not repeat them here.As shown in Figure 7, Hydraulic Pump 17 and cover plate 3 are jointly bolted to by two to install on matrix 22, and cover plate 3 is clipped in Hydraulic Pump 17 and installs between matrix 22.
As shown in Figure 1, this electric hydraulic power-assisted steering pump assembly is arranged in the hydraulic power-assist steering system of vehicle, high pressure oil outlet is connected with the oil pipe of hydraulic power-assist steering system, the oil returning pipe joint 131 that oil can 13 is arranged is connected with the oil return pipe of hydraulic power-assist steering system, realizes the recycle of fluid.Oil returning pipe joint 131 is to arrange on oil can 13 sidewall and protruding, this electric hydraulic power-assisted steering pump assembly only has high pressure hydraulic fluid port and low pressure return opening two attachment points, thus convenient installation with the oil pipe of hydraulic power-assist steering system is connected, and not easily makes mistakes.
As shown in Figure 6, the motor shaft 123 that electrical motor 12 comprises the motor stator 121 be set on sleeve pipe 21, is enclosed within the rotor 122 on motor stator 121 and inserts in sleeve pipe 21, motor shaft 123 is also fixedly connected with rotor 122.As shown in Figure 2, sleeve pipe 21 is provided with a draw-in groove 213 away from the one end of installing matrix 22, this draw-in groove 213 is along the annular groove that whole circumference extends on the outside face of sleeve pipe 21.Draw-in groove 213 is for installing circlip, and circlip is used for the axial location of motor stator 121.As preferably, as shown in Figure 9 and Figure 10, this circlip 18 comprises and is arranged in motor stator 121 side and has elastomeric outer back-up ring 182 and be connected with outer back-up ring 182 and embed draw-in groove 213 projection 181 set by sleeve pipe 21 outside face, motor stator 121 is set on sleeve pipe 21, one end of motor stator 121 is undertaken spacing by installing the set shaft shoulder on matrix 22 or sleeve pipe 21, and the other end is spacing by circlip 18.Interior projection 181 snaps in the draw-in groove 213 of sleeve pipe 21 and circlip 18 is fixed; avoid coming off; thus the reliability of axial location can be improved; and motor stator 121 is when moving axially; can elastic deformation be there is in circlip 18; thus buffer action can be played to motor stator 121, effectively protect parts.
As shown in Figure 10, outer back-up ring 182 is cylindrical-conical thin slice, and the center of outer back-up ring 182 has the through hole allowing sleeve pipe 21 pass, and the inner edge of interior projection 181 back-up ring 182 is outside uniformly distributed circumferentially.Interior projection 181 is fixedly connected with outer back-up ring 182, form integrative-structure, and the side that interior projection 181 is back-up ring 182 toward the outside is vertically stretched out.Interior projection 181 is also the thin slice of circular arc, and have certain length along in the circumference of outer back-up ring 182, the angle between interior projection 181 and outer back-up ring 182 is greater than 90 degree.
As preferably, the thickness of interior projection 181 is identical with the depth size of draw-in groove 213, and the diameter of the circular arc inside face of interior projection 181 is equal with the interior diameter at draw-in groove 213 place, and interior projection 181 can embed in draw-in groove 213 completely, keep in touch with sleeve pipe 21, improve fixing reliability.
As shown in Figure 10, in the present embodiment, the interior projection 181 of circlip 18 is provided with four altogether, and four interior projections 181 are for being uniformly distributed.
As shown in Figure 8 and Figure 9, the outside face of sleeve pipe 21 is provided with and extends vertically and the positioning groove 214 allowing positioning key embed, positioning key is clipped between sleeve pipe 21 and motor stator 121.Motor stator 121 is set on sleeve pipe 21, and positioning key embeds in positioning groove 214 and the keyway set by motor stator inside face, realizes the circumference location of motor stator 121 on sleeve pipe 21.
As shown in Figure 8 and Figure 9, in the present embodiment, positioning groove 214 is from the end face of sleeve pipe 21, extend to the medium position place near sleeve pipe 21, and positioning groove 214 is provided with one.
Below by reference to the accompanying drawings the utility model is exemplarily described.Obviously, the utility model specific implementation is not subject to the restrictions described above.As long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; Or without improvement, above-mentioned design of the present utility model and technical scheme directly applied to other occasion, all within protection domain of the present utility model.
Claims (9)
1. electric hydraulic power-assisted steering pump assembly, it is characterized in that: comprise electrical motor, Hydraulic Pump, oil can and bearing, bearing has the sleeve pipe installed matrix and be connected with installation matrix, oil can and Hydraulic Pump are located to be installed on matrix, Hydraulic Pump is also positioned at oil can inside, the electrical motor be connected with Hydraulic Pump is located on sleeve pipe, and bearing also has the oil-bearing structure be communicated with oil can.
2. electric hydraulic power-assisted steering pump assembly according to claim 1, it is characterized in that: the end face of described installation matrix has bearing containing cavity, described oil-bearing structure comprises oil feed groove, the tortuous oil resevoir of setting and the cover plate for closed oil resevoir, oil feed groove and oil resevoir are located on the end face of described installation matrix, one end of oil resevoir is communicated with oil feed groove, and the other end is communicated with described bearing containing cavity.
3. electric hydraulic power-assisted steering pump assembly according to claim 2, is characterized in that: the end face of described installation matrix is provided with the oil can installation base of annular arrangement, and described oil-bearing structure is positioned at the inner side of oil can installation base.
4. electric hydraulic power-assisted steering pump assembly according to claim 2, is characterized in that: described cover plate is for circular, and cover plate is also coaxial with described oil can installation base.
5. electric hydraulic power-assisted steering pump assembly according to claim 4, is characterized in that: the position of the corresponding described oil feed groove in edge of described cover plate is provided with breach.
6. the electric hydraulic power-assisted steering pump assembly according to Claims 2 or 3 or 4 or 5, it is characterized in that: described oil resevoir comprises the first oil resevoir, the second oil resevoir, the 3rd oil resevoir, the 4th oil resevoir, the 5th oil resevoir and the 6th oil resevoir that connect successively, 3rd oil resevoir, the 4th oil resevoir and the 5th oil resevoir are positioned at the inner side of the first oil resevoir, 6th oil resevoir is positioned at the inner side of the 5th oil resevoir, first oil resevoir is communicated with described oil feed groove, and the 6th oil resevoir is communicated with described bearing containing cavity.
7. electric hydraulic power-assisted steering pump assembly according to claim 6, is characterized in that: the radian of described second oil resevoir is greater than 180 degree, and the center of circle of the second oil resevoir is positioned at the inner side of described first oil resevoir.
8. electric hydraulic power-assisted steering pump assembly according to claim 7, it is characterized in that: the center of described second oil resevoir is provided with one first boss, described oil-bearing structure also comprises the first shoe cream room be located on the first boss, and the first shoe cream room is communicated with oil resevoir.
9. electric hydraulic power-assisted steering pump assembly according to claim 6, it is characterized in that: the center of described 3rd oil resevoir is provided with one second boss, described oil-bearing structure also comprises the second shoe cream room be located on the second boss, and the second shoe cream room is communicated with oil resevoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520186573.8U CN204527295U (en) | 2015-03-30 | 2015-03-30 | Electric hydraulic power-assisted steering pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520186573.8U CN204527295U (en) | 2015-03-30 | 2015-03-30 | Electric hydraulic power-assisted steering pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204527295U true CN204527295U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520186573.8U Active CN204527295U (en) | 2015-03-30 | 2015-03-30 | Electric hydraulic power-assisted steering pump assembly |
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| Country | Link |
|---|---|
| CN (1) | CN204527295U (en) |
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2015
- 2015-03-30 CN CN201520186573.8U patent/CN204527295U/en active Active
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Address after: Zhi Zhen Wuhu County in Anhui province Wuhu city Anhui Bay 241100 Wuhu Economic Development Zone weft four Road No. 88 East Building 02 Patentee after: Anhui Defu steering system of Limited by Share Ltd Address before: 241100, No. four, No. 88, Dong Lu, machinery industry zone, Wuhu County, Wuhu, Anhui Patentee before: Wuhu Defu Steering System Co., Ltd. |