CN207150304U - The casing of heavy-duty car direction assist motor - Google Patents
The casing of heavy-duty car direction assist motor Download PDFInfo
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- CN207150304U CN207150304U CN201721132867.8U CN201721132867U CN207150304U CN 207150304 U CN207150304 U CN 207150304U CN 201721132867 U CN201721132867 U CN 201721132867U CN 207150304 U CN207150304 U CN 207150304U
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Abstract
The utility model provides a kind of casing of heavy-duty car direction assist motor, belongs to technical field of a vehicle accessory.Not the problems such as casing that it solves existing motor is not suitable on the assist motor of heavy-duty car direction.The casing of this heavy-duty car direction assist motor includes drive end bearing bracket and tubular motor cylinder, drive end bearing bracket and motor cylinder are coaxially disposed and are connected, drive end bearing bracket has the surrounding edge that a circle radially protruding is set in motor cylinder, the outer face of drive end bearing bracket has the axially projecting bulge loop of a circle, circumferentially several connecting holes are equably offered on surrounding edge and surrounding edge forms flange face towards the end face of bulge loop, there is the recessed stator installation position of a circle, the inner face of drive end bearing bracket has the recessed groove of a circle in the middle part of the inwall of motor cylinder.The utility model has the advantages that space availability ratio height, small volume, suitable on the assist motor of heavy-duty car direction.
Description
Technical field
The utility model belongs to technical field of a vehicle accessory, is related to a kind of direction assist motor, more particularly to a kind of heavy
The casing of automobile steering assist motor.
Background technology
The direction power-assisted of heavy-duty car, transmission mechanism are made up of hydraulic pump, hydraulic cylinder at present, and input power is by vapour
Car power supply, hydraulic pump need long-term work, it is impossible to stop, energy consumption wastes, efficiency is low, and part is more, complex process,
Manufacturing cost is high, causes the wasting of resources, is said from performance, by hydraulic pressure self structure performance is limited, its is slow in reacting, causes
Steering wheel operation is laborious, causes the fatigue of heavy-duty car driver.
Kart all uses electronic direction boosting mechanism substantially at present, and motor is that electronic direction boosting mechanism is most important
Part, motor case are one of important building block of motor again.Existing motor case is made up of the motor cylinder of tubular, and it is empty
Between utilization rate it is not high, structure is not compact enough, coordinates the drive end bearing bracket of motor, then volume is larger, in addition Structure Designing Problem, existing
Motor case can not be suitable for the assist motor of heavy-duty car direction.
The content of the invention
The purpose of this utility model is to be directed to the above-mentioned problems in the prior art, there is provided a kind of structure design is closed
Reason, space availability ratio are high, small volume is with suitable for the casing on the assist motor of heavy-duty car direction.
The purpose of this utility model can be realized by following technical proposal：A kind of machine of heavy-duty car direction assist motor
Shell, including drive end bearing bracket and tubular motor cylinder, it is characterised in that described drive end bearing bracket and motor cylinder is coaxially disposed and is linked to be one
Body, described drive end bearing bracket have the surrounding edge that a circle radially protruding is set in motor cylinder, and the outer face of described drive end bearing bracket has one
Enclose axially projecting bulge loop, it is circumferential on described surrounding edge equably to offer several connecting holes and surrounding edge is towards the end face of bulge loop
Flange face is formed, there is the recessed stator installation position of a circle, the inner of described drive end bearing bracket in the middle part of the inwall of described motor cylinder
Face has the recessed groove of a circle.
The casing of this heavy-duty car direction assist motor is monolithic construction, and compact-sized and fastness is good, service life
It is long, and the recessed setting in stator installation position, groove corresponding stator coil position, sufficient space so is provided for stator installation,
It is high to casing internal space availability ratio, casing entire length can be shortened, meet the assist motor miniaturization of heavy-duty car direction
Design, the external diameter of bulge loop and flange face facilitate the location and installation of flange in addition, and the internal diameter of bulge loop is for reducer gear case positioning peace
Dress.
In the casing of above-mentioned heavy-duty car direction assist motor, a diameter of surrounding edge diameter of described stator installation position
0.7-0.8, the internal diameter of described bulge loop is the 0.45-0.55 of surrounding edge diameter, and the external diameter of described bulge loop is surrounding edge diameter
0.7-0.8, the distance of described connection centerline hole to front end face axis is the 0.85-0.9 of surrounding edge radius.This sample heavy type vapour
Each dimension scale of radial direction of the casing of car direction assist motor is reasonable, compact-sized.
In the casing of above-mentioned heavy-duty car direction assist motor, the axial length of described location and installation position is motor
Cylinder outer end to bulge loop top length 0.42-0.52, the length of described motor cylinder outer end to flange face for motor cylinder outer end extremely
The 0.85-0.9 of bulge loop top length.Each dimension scale in axial direction of the casing of this sample heavy-duty car direction assist motor is reasonable,
It is compact-sized.
In the casing of above-mentioned heavy-duty car direction assist motor, described surrounding edge towards the side of motor cylinder have with
The one-to-one guide cylinder of connecting hole, described guide cylinder surround connecting hole and are coaxially disposed with connecting hole, described guide cylinder
Also there is the reinforcement that twice are fixed on motor drum outer wall.Connecting hole connects for fixed screw, because fixed screw screw mandrel is longer, leads
Guiding and positioning action are played to cylinder, facilitates wearing and fixing for fixed screw screw mandrel, and the structure for adding motor cylinder is strong
Degree.
In the casing of above-mentioned heavy-duty car direction assist motor, if the outside of described motor cylinder has arterial highway circumferential
It is uniformly distributed and the fin of axial extension, the outer face of described motor cylinder offers axially arranged and be located at each fin
Axial hole.Fin adds the structural strength of motor cylinder, and is easy to the processing of axial hole, and the wall thickness of motor cylinder can be relatively thin, full
Sufficient light-weight design requirement.
In the casing of above-mentioned heavy-duty car direction assist motor, the top end face of described bulge loop offer a circle with it is convex
The annular groove that ring is coaxially disposed, if the circumferential oil groove excessively for uniformly offering arterial highway and being communicated in annular groove of described bulge loop.Because this
Need to connect reductor on the outside of drive end bearing bracket in the casing of heavy-duty car direction assist motor, so needing oil circulation, pass through bulge loop
Annular groove and cross the setting of oil groove and can form oil circulation passage, it is rational in infrastructure without arrange oil circulation passage again at reductor,
It is easily manufactured.
In the casing of above-mentioned heavy-duty car direction assist motor, the inwall of described motor cylinder has a circle positioned at fixed
Anti-interference groove on the outside of sub- installation position, the internal diameter of described anti-interference groove are more than the internal diameter of stator installation position.Such motor
The inwall of cylinder will not play interference effect to stator, and stator is easy for installation.
In the casing of above-mentioned heavy-duty car direction assist motor, the outer wall of described bulge loop has installation in a ring
Groove.Mounting groove is installed for sealing ring to play waterproof sealing effect.
In the casing of above-mentioned heavy-duty car direction assist motor, the inner face of described drive end bearing bracket, which has, to be coaxial therewith
Set and axially projecting convex cylinder, the inwall of described convex cylinder have bearing installation position and oil sealing installation position, described oil sealing peace
Position is filled between bearing installation position and the inner face of drive end bearing bracket.Bearing installation position is installed for bearing, oil sealing installation position fuel feeding envelope
Install, support effects are good at convex cylinder, good airproof performance.
Compared with prior art, of the present utility model reasonable in design, compact-sized and structural strength is high, service life
It is long, and space availability ratio is high, small volume, positioning is easily installed, suitable on the assist motor of heavy-duty car direction.
Brief description of the drawings
Fig. 1 is the three-dimensional structure diagram of the casing of this heavy-duty car direction assist motor.
Fig. 2 is the three-dimensional structure diagram of another angle of casing of this heavy-duty car direction assist motor.
Fig. 3 is the structure sectional view of the casing of this heavy-duty car direction assist motor.
In figure, 1, drive end bearing bracket；2nd, motor cylinder；3rd, surrounding edge；4th, bulge loop；4a, annular groove；4b, cross oil groove；4c, mounting groove；5、
Connecting hole；6th, flange face；7th, stator installation position；8th, groove；9th, guide cylinder；9a, reinforcement；10th, fin；11st, axial hole；12、
Anti-interference groove；13rd, convex cylinder；13a, bearing installation position；13b, oil sealing installation position.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1, Figure 2 and Figure 3, the casing of this heavy-duty car direction assist motor includes drive end bearing bracket 1 and tubular
Motor cylinder 2, drive end bearing bracket 1 and motor cylinder 2 are coaxially disposed and are connected, and there is drive end bearing bracket 1 a circle radially protruding to be set in motor cylinder 2
The surrounding edge 3 put, the outer face of drive end bearing bracket 1 have the axially projecting bulge loop 4 of a circle, circumferentially six are equably offered on surrounding edge 3
Connecting hole 5 and surrounding edge 3 form flange face 6 towards the end face of bulge loop 4, have the recessed stator of a circle in the middle part of the inwall of motor cylinder 2
Installation position 7, the inner face of drive end bearing bracket 1 have the recessed groove 8 of a circle.Heavy-duty car refers to engineering truck, full-sized bus, 18 meters of extensions
The oversize vehicles such as car, forklift.
Further describe in detail, in order to compact-sized reasonable, the 0.7-0.8 of the diameter of a diameter of surrounding edge 3 of stator installation position 7 is convex
The internal diameter of ring 4 is the 0.45-0.55 of the diameter of surrounding edge 3, and the external diameter of bulge loop 4 is the 0.7-0.8 of the diameter of surrounding edge 3, the center line of connecting hole 5
Distance to front end face axis is the 0.85-0.9 of the radius of surrounding edge 3, and the axial length of location and installation position is the outer end of motor cylinder 2 to convex
The 0.42-0.52 of the top length of ring 4, the length of the outer end of motor cylinder 2 to flange face 6 is the outer end of motor cylinder 2 to the top length of bulge loop 4
0.85-0.9.The 0.75 of the diameter of a diameter of surrounding edge 3 of stator installation position 7 in the present embodiment, the internal diameter of bulge loop 4 are straight for surrounding edge 3
The 0.5 of footpath, the external diameter of bulge loop 4 are the 0.75 of the diameter of surrounding edge 3, and the distance of the center line of connecting hole 5 to front end face axis is surrounding edge 3 half
The 0.88 of footpath, the axial length of location and installation position are the outer end of motor cylinder 2 to the 0.48 of the top length of bulge loop 4, and the outer end of motor cylinder 2 is extremely
The length of flange face 6 is the outer end of motor cylinder 2 to the 0.88 of the top length of bulge loop 4.
Surrounding edge 3 has guide cylinder 9 one-to-one with connecting hole 5 towards the side of motor cylinder 2, and guide cylinder 9 surrounds connection
Hole 5 and it is coaxially disposed with connecting hole 5, guide cylinder 9 also has the reinforcement 9a that twice are fixed on the outer wall of motor cylinder 2.Motor cylinder 2
Outside has six to be circumferentially uniformly distributed and the fin of axial extension 10, the outer face of motor cylinder 2 offer axially arranged and position
Axial hole 11 at each fin 10, center is provided with one of fin 10 between adjacent guide cylinder 9 in the present embodiment.
The outer wall of bulge loop 4 has in a ring for the mounting groove 4c of sealing ring installation, and the inner face of drive end bearing bracket 1 is with same with it
Axle is set and axially projecting convex cylinder 13, and the inwall of convex cylinder 13 has bearing installation position 13a and oil sealing installation position 13b, oil sealing peace
Dress position 13b is located between bearing installation position 13a and the inner face of drive end bearing bracket 1.
In order to form oil circulation passage, the top end face of bulge loop 4 offers the annular groove 4a that a circle is coaxially disposed with bulge loop 4,
The circumference of bulge loop 4 uniformly offers the four oil groove 4b excessively for being communicated in annular groove 4a；In order to avoid the 2 pairs of stator installations of motor cylinder are dry
Relate to, the inwall of motor cylinder 2 has a circle positioned at the anti-interference groove 12 in the outside of stator installation position 7, the internal diameter of anti-interference groove 12
More than the internal diameter of stator installation position 7.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (9)
1. a kind of casing of heavy-duty car direction assist motor, including drive end bearing bracket（1）With tubular motor cylinder（2）, its feature
It is, described drive end bearing bracket（1）With motor cylinder（2）It is coaxially disposed and is connected, described drive end bearing bracket（1）With a circle radially
Protrude from motor cylinder（2）The surrounding edge of setting（3）, described drive end bearing bracket（1）Outer face there is an axially projecting bulge loop of circle
（4）, described surrounding edge（3）Upper circumference equably offers several connecting holes（5）And surrounding edge（3）Towards bulge loop（4）End face
Form flange face（6）, described motor cylinder（2）Inwall in the middle part of there is a recessed stator installation position of circle（7）, described front end
Lid（1）Inner face there is a recessed groove of circle（8）.
2. the casing of heavy-duty car direction according to claim 1 assist motor, it is characterised in that described stator installation
Position（7）A diameter of surrounding edge（3）The 0.7-0.8 of diameter, described bulge loop（4）Internal diameter be surrounding edge（3）The 0.45- of diameter
0.55, described bulge loop（4）External diameter be surrounding edge（3）The 0.7-0.8 of diameter, described connecting hole（5）Center line is to front end face
The distance of axis is surrounding edge（3）The 0.85-0.9 of radius.
3. the casing of heavy-duty car direction according to claim 2 assist motor, it is characterised in that described stator installation
Position（7）Axial length be motor cylinder（2）Outer end is to bulge loop（4）The 0.42-0.52 of top length, described motor cylinder（2）Outside
Hold to flange face（6）Length be motor cylinder（2）Outer end is to bulge loop（4）The 0.85-0.9 of top length.
4. the casing of heavy-duty car direction according to claim 3 assist motor, it is characterised in that described surrounding edge（3）
Towards motor cylinder（2）Side have and connecting hole（5）One-to-one guide cylinder（9）, described guide cylinder（9）Surround connection
Hole（5）And and connecting hole（5）It is coaxially disposed, described guide cylinder（9）Also there are twice to be fixed on motor cylinder（2）The reinforcement of outer wall
Muscle（9a）.
5. the casing of heavy-duty car direction according to claim 4 assist motor, it is characterised in that described motor cylinder
（2）Outside if there is arterial highway to be circumferentially uniformly distributed and the fin of axial extension（10）, described motor cylinder（2）Outer face open
Provided with axially arranged and be located at each fin（10）The axial hole at place（11）.
6. the casing of the heavy-duty car direction assist motor according to claim 1 or 2 or 3, it is characterised in that described is convex
Ring（4）Top end face offer a circle and bulge loop（4）The annular groove being coaxially disposed（4a）, described bulge loop（4）It is circumferential uniformly to open
If it is communicated in annular groove provided with arterial highway（4a）Cross oil groove（4b）.
7. the casing of the heavy-duty car direction assist motor according to claim 1 or 2 or 3, it is characterised in that described electricity
Machine barrel（2）Inwall have one circle be located at stator installation position（7）The anti-interference groove in outside（12）, described anti-interference groove
（12）Internal diameter be more than stator installation position（7）Internal diameter.
8. the casing of heavy-duty car direction according to claim 6 assist motor, it is characterised in that described bulge loop（4）
Outer wall there is mounting groove in a ring（4c）.
9. the casing of the heavy-duty car direction assist motor according to claim 1 or 2 or 3, it is characterised in that before described
End cap（1）Inner face have be coaxial therewith set and axially projecting convex cylinder（13）, described convex cylinder（13）Inwall have
Bearing installation position（13a）With oil sealing installation position（13b）, described oil sealing installation position（13b）Positioned at bearing installation position（13a）With it is preceding
End cap（1）Inner face between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721132867.8U CN207150304U (en) | 2017-09-06 | 2017-09-06 | The casing of heavy-duty car direction assist motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721132867.8U CN207150304U (en) | 2017-09-06 | 2017-09-06 | The casing of heavy-duty car direction assist motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207150304U true CN207150304U (en) | 2018-03-27 |
Family
ID=61677549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721132867.8U Active CN207150304U (en) | 2017-09-06 | 2017-09-06 | The casing of heavy-duty car direction assist motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207150304U (en) |
-
2017
- 2017-09-06 CN CN201721132867.8U patent/CN207150304U/en active Active
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