CN206067869U - For the mount apparatus of rack and pinion steering gear - Google Patents
For the mount apparatus of rack and pinion steering gear Download PDFInfo
- Publication number
- CN206067869U CN206067869U CN201621099465.8U CN201621099465U CN206067869U CN 206067869 U CN206067869 U CN 206067869U CN 201621099465 U CN201621099465 U CN 201621099465U CN 206067869 U CN206067869 U CN 206067869U
- Authority
- CN
- China
- Prior art keywords
- plane
- tooth bar
- ball
- fulcrum bearing
- circular hole
- 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 mount apparatus for rack and pinion steering gear, including tooth bar and fulcrum bearing, the section configuration of the tooth bar is sector, described fan-shaped with an arcwall face, a plane and two symmetrical inclined-planes, wherein the arcwall face is oppositely arranged with the plane；The tooth of the tooth bar is arranged on the arcwall face, and the plane is provided with two axially disposed circular hole steel-ball grooves, and steel ball is provided with the circular hole steel-ball groove, and the end of the circular hole steel-ball groove is provided with limit assembly；The fulcrum bearing is provided with two arc grooves being engaged with the steel ball, also has two limiting sections being arranged symmetrically in the fulcrum bearing, and the inwall of the limiting section is inclined-plane, and the inclined-plane is slidably matched with the inclined-plane on the tooth bar.This utility model can effectively reduce the frictional force of fulcrum bearing and tooth bar contact portion, and can effectively prevent tooth bar from rotating, and solve the problems, such as to turn to difficulty and the steering wheel hand-power that spins is big.
Description
Technical field
This utility model is related to a kind of mount apparatus, and particularly a kind of fulcrum bearing for rack and pinion steering gear is filled
Put.
Background technology
Rack and pinion steering gear is widely used in passenger car field, and the steering gear includes tooth sector and tooth bar.Turn to
Wearing clearance occurs after wheel and rack long-time use, in order to ensure between the tightly engaging and eliminate of tooth sector and tooth bar
Gap, is provided with bearing arrangement at tooth bar back.Bearing arrangement is as shown in figure 1, main by tooth bar 100, fulcrum bearing 200, pressure
Tight spring 300, rubber washer 400 and adjustment plug screw 500 are constituted.
The structure of rack supporting seat 200 divides following two according to what the section difference of tooth bar 100 was commonly used at present：Such as Fig. 2 institutes
The circular cross section fulcrum bearing 600 shown and V-arrangement section fulcrum bearing 700 as shown in Figure 3.The fulcrum bearing of circular cross section tooth bar makes work
Skill is simple, and the material consumption of V-arrangement section is few, quality is little.Two bearing-surfaces in V-arrangement section fulcrum bearing 700 are oblique with tooth bar back two
Face contacts, and tooth bar can be prevented to be rotated about axis.The pad that conventional antifriction material does between tooth bar and fulcrum bearing is to reduce cunning
Dynamic friction.
When the bounce of vehicle traveling and steering gear work, tooth bar can be subject to turning moment, and circular cross section fulcrum bearing 600 can not
Good positioning action is played, and tooth bar 100 can cause tooth sector correct engagement to be unable to tooth bar 100 because of rotation, so as to produce
The larger abrasion of life.100 liang of contour localizations of the bearing-surface of V-arrangement section fulcrum bearing 700 and tooth bar are prevented from tooth bar 100 and rotate,
But as contact area is big, the frictional force of mating surface is also big, it is easily caused steering reversal difficulty and increases the steering wheel that spins
Hand-power.
Utility model content
The purpose of this utility model is to provide a kind of mount apparatus for rack and pinion steering gear, existing to solve
Technical problem in technology, it can effectively reduce the frictional force of fulcrum bearing and tooth bar contact portion, and effectively can prevent
Tooth bar rotates, and solves the problems, such as to turn to difficulty and the steering wheel hand-power that spins is big.
This utility model provides a kind of mount apparatus for rack and pinion steering gear, including tooth bar and supporting
Seat, the section configuration of the tooth bar is sector, described fan-shaped with arcwall face, a plane and two symmetrical inclined-planes,
Wherein described arcwall face is oppositely arranged with the plane；The tooth of the tooth bar is arranged on the arcwall face, is set in the plane
There are two axially disposed circular hole steel-ball grooves, steel ball, the end of the circular hole steel-ball groove are installed in the circular hole steel-ball groove
It is provided with limit assembly；The fulcrum bearing is provided with two arc grooves being engaged with the steel ball, also has in the fulcrum bearing
Two limiting sections being arranged symmetrically, the inwall of the limiting section is inclined-plane, and the inclined-plane is slidably matched with the inclined-plane on the tooth bar.
It is previously described in the mount apparatus of rack and pinion steering gear, it is preferable that the limit assembly includes adjustment
Plug screw, holddown spring and cushion block, the cushion block are connected with the steel ball contact, the holddown spring be arranged on the cushion block with
Between the adjustment plug screw, the adjustment plug screw is threaded connection with the circular hole steel-ball groove.
It is previously described in the mount apparatus of rack and pinion steering gear, it is preferable that the steel ball stretches out the circular hole
Vertical dimension between the peak of steel ball slot part and the plane is 2mm-3mm.
It is previously described in the mount apparatus of rack and pinion steering gear, it is preferable that in the fulcrum bearing, be additionally provided with circle
Shape spring mounting groove, the coil component spring mounting groove are arranged on the opposite face in the face for being provided with the arc groove.
Compared with prior art, tooth bar of the present utility model adopts fan-shaped section, as fan-shaped section has two symmetrically
The hypotenuse of arrangement, can cooperating with 2 in fulcrum bearing limiting section, it is spacing to carry out, and prevents tooth bar from axially rotating, effectively
Solve the problems, such as because tooth bar is axially rotated can not be with tooth sector correct engagement.
By circular hole steel-ball groove is arranged in the plane of tooth bar, steel ball is installed in circular hole steel-ball groove, makes tooth bar pass through steel
Ball is slidably connected with fulcrum bearing, traditional face connection is changed to a connection and line connection, the two is significantly reduced and is slidably matched
When frictional force, effectively solving prior art steering reversal is difficult and the big problem of steering wheel hand-power of spinning.
Description of the drawings
Fig. 1 is the structural representation of fulcrum bearing, gear and tooth bar in prior art；
Fig. 2 is the structural representation of circular end face tooth bar and circular bearing seat in prior art；
Fig. 3 is the structural representation of V-arrangement end face tooth bar and V-arrangement fulcrum bearing in prior art；
Fig. 4 is axonometric drawing of the present utility model；
Fig. 5 is explosive view of the present utility model；
Fig. 6 is sectional view of the present utility model；
Fig. 7 is the axonometric drawing of fulcrum bearing.
Description of reference numerals：
In Fig. 1 and Fig. 2：100- tooth bars, 200- fulcrum bearings, 300- holddown springs, 400- rubber washers, 500- adjustment spiral shells
Plug, 600- circular cross section fulcrum bearings, 700-V shape section fulcrum bearings；
In Fig. 3-Fig. 7：1- tooth bars, 11- teeth, 12- circular hole steel-ball grooves, 13- steel balls, 14- limit assemblies, 141- adjustment spiral shells
Plug, 142- holddown springs, 143- cushion blocks, 2- fulcrum bearings, 21- arc grooves, 22- limiting sections, 23- coil component spring mounting grooves.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or the element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining this utility model, and can not be construed to of the present utility model
Limit.
Embodiment of the present utility model：As shown in Fig. 4, Fig. 6 and Fig. 7, a kind of supporting for rack and pinion steering gear
Base device, including tooth bar 1 and fulcrum bearing 2, the section configuration of the tooth bar 1 are sector, it is described it is fan-shaped with an arcwall face, one
Individual plane and two symmetrical inclined-planes, wherein the arcwall face is oppositely arranged with the plane；The tooth 11 of the tooth bar 1 is arranged on
On the arcwall face, the plane is provided with two axially disposed circular hole steel-ball grooves 12, peace in the circular hole steel-ball groove 12
Equipped with steel ball 13, the end of the circular hole steel-ball groove 12 is provided with limit assembly 14；The fulcrum bearing 2 is provided with two with the steel
The arc groove 21 that ball 13 is engaged, also has two limiting sections 22 being arranged symmetrically in the fulcrum bearing 2, the limiting section 22
Inwall is inclined-plane, and the inclined-plane is slidably matched with the inclined-plane on the tooth bar 1.
Inclined-plane on the limiting section 22 is identical with 2 bevel angles on the tooth bar 1, and the two is slidably matched, and passes through
The design of ramp structure, makes the tooth bar 1 operationally axially rotate, efficiently solve because tooth bar is axially rotated and
Can not be with the problem of tooth sector correct engagement.Circular hole steel-ball groove 12 is set on the tooth bar 1, peace in the circular hole steel-ball groove 12
Equipped with steel ball 13, by the cooperation of the arc groove 21 in the steel ball 13 and the fulcrum bearing 2, traditional face connection is changed to
Point connection, significantly reduces frictional force when the two is slidably matched, and effectively solving prior art steering reversal is difficult and spins
The big problem of steering wheel hand-power.
The limit assembly 14 can adopt simple column structure, only need to can limit the degree of freedom of the steel ball 13 i.e.
Can, it is contemplated that steel ball 13 can wear and tear after a long time use, affect can there is larger gap between steel ball after abrasion, in institute
State the rate of wear that can accelerate the steel ball 13 under the interaction between fulcrum bearing 2 and the steel ball 13, therefore the present embodiment
There is provided a kind of preferably scheme, as shown in figure 5, the limit assembly 14 includes adjustment plug screw 141, holddown spring 142 and pad
Block 143, the cushion block 143 are connected with 13 contact of the steel ball, and the holddown spring 142 is arranged on the cushion block 143 and institute
State between adjustment plug screw 141, the adjustment plug screw 141 is threaded connection with the circular hole steel-ball groove 12.The steel ball 13 is stretched
The vertical dimension gone out between the peak and the plane of 12 part of circular hole steel-ball groove is 2mm-3mm.
By the setting of the compression spring 142 and the cushion block 143, after the steel ball 13 occurs to wear and tear, described
In the presence of compression spring 142, the gap between the steel ball 13 can be eliminated, prevent 13 accelerated wear test of the steel ball.
Further, coil component spring mounting groove 23 is additionally provided with the fulcrum bearing 2, the coil component spring mounting groove 23 is arranged on
It is provided with the opposite face in the face of the arc groove 21.The coil component spring mounting groove 23 is used to install compression spring, by compressing bullet
The fulcrum bearing 2 can be compressed by spring all the time with the tooth bar 1.
Construction of the present utility model, feature and action effect is described in detail according to the embodiment shown in schema above, with
Upper described is only preferred embodiment of the present utility model, but this utility model is not to limit practical range shown in drawing, it is every according to
According to the made change of conception of the present utility model, or the Equivalent embodiments of equivalent variations are revised as, still without departing from description and figure
When showing covered spiritual, all should be in protection domain of the present utility model.
Claims (4)
1. a kind of mount apparatus for rack and pinion steering gear, including tooth bar (1) and fulcrum bearing (2), it is characterised in that：
The section configuration of the tooth bar (1) is sector, described fan-shaped with arcwall face, a plane and two symmetrical inclined-planes,
Wherein described arcwall face is oppositely arranged with the plane；The tooth (11) of the tooth bar (1) is arranged on the arcwall face, described flat
Face is provided with two axially disposed circular hole steel-ball grooves (12), the circular hole steel-ball groove (12) and is provided with steel ball (13), institute
The end for stating circular hole steel-ball groove (12) is provided with limit assembly (14)；The fulcrum bearing (2) is provided with two with the steel ball (13)
The arc groove (21) being engaged, also has two limiting sections being arranged symmetrically (22), the limiting section on the fulcrum bearing (2)
(22) inwall is inclined-plane, and the inclined-plane is slidably matched with the inclined-plane on the tooth bar (1).
2. mount apparatus for rack and pinion steering gear according to claim 1, it is characterised in that：It is described spacing
Component (14) includes adjustment plug screw (141), holddown spring (142) and cushion block (143), the cushion block (143) and the steel ball
(13) contact connection, the holddown spring (142) are arranged between the cushion block (143) and the adjustment plug screw (141), institute
State adjustment plug screw (141) to be threaded connection with the circular hole steel-ball groove (12).
3. mount apparatus for rack and pinion steering gear according to claim 1, it is characterised in that：The steel ball
(13) it is 2mm-3mm to stretch out the vertical dimension between the peak and the plane of circular hole steel-ball groove (12) part.
4. mount apparatus for rack and pinion steering gear according to claim 1 or 2 or 3, it is characterised in that：Institute
State and in fulcrum bearing (2), be additionally provided with coil component spring mounting groove (23), the coil component spring mounting groove (23) is arranged on and is provided with the circle
The opposite face in the face of arc groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099465.8U CN206067869U (en) | 2016-09-30 | 2016-09-30 | For the mount apparatus of rack and pinion steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099465.8U CN206067869U (en) | 2016-09-30 | 2016-09-30 | For the mount apparatus of rack and pinion steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206067869U true CN206067869U (en) | 2017-04-05 |
Family
ID=58439816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621099465.8U Expired - Fee Related CN206067869U (en) | 2016-09-30 | 2016-09-30 | For the mount apparatus of rack and pinion steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206067869U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749912A (en) * | 2018-04-28 | 2018-11-06 | 江铃控股有限公司 | Steering gear and automobile |
| CN111604654A (en) * | 2020-01-15 | 2020-09-01 | 上海第一机床厂有限公司 | Machining method of transfer rack transmission mechanism in nuclear fuel reactor |
-
2016
- 2016-09-30 CN CN201621099465.8U patent/CN206067869U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749912A (en) * | 2018-04-28 | 2018-11-06 | 江铃控股有限公司 | Steering gear and automobile |
| CN111604654A (en) * | 2020-01-15 | 2020-09-01 | 上海第一机床厂有限公司 | Machining method of transfer rack transmission mechanism in nuclear fuel reactor |
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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: 20170405 Termination date: 20190930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |