CN205661519U - Rack and pinion formula auto steering ware - Google Patents
Rack and pinion formula auto steering ware Download PDFInfo
- Publication number
- CN205661519U CN205661519U CN201620444359.2U CN201620444359U CN205661519U CN 205661519 U CN205661519 U CN 205661519U CN 201620444359 U CN201620444359 U CN 201620444359U CN 205661519 U CN205661519 U CN 205661519U
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- CN
- China
- Prior art keywords
- annular rib
- rack
- axis hole
- pinion
- ring surface
- 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.)
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Abstract
The utility model provides a rack and pinion formula auto steering ware belongs to auto -parts technical field. It has solved in the present steering gear that the pivot installation is inconvenient, the poor problem of wheel and rack cooperation effect in the pivot. This rack and pinion formula auto steering ware, the dustproof wireless router comprises an upper shell, descend the casing and locate the internal rack of inferior valve, the epitheca is internal wears to be equipped with the pivot, have in the pivot be located the inferior valve internal and with the gear of the coaxial setting of pivot, it is used in the pressure spring on the rack to have one end on the casing down, rack and gear engagement under this pressure spring's effect, the epitheca is internal to have shaft hole no. 1, the inferior valve is internal to have shaft hole no. 2, it is equipped with the location structure who is used for making shaft hole no. 1 and two coaxial settings in the shaft hole to go up between casing and time casing, the pivot wears to establish simultaneously in shaft hole no. 1 and shaft hole no. 2. The utility model has the advantages of simple to operate, turn to effectual.
Description
Technical field
This utility model belongs to technical field of automobile, relates to a kind of automobile steering device, particularly a kind of rack-and-pinion
Formula automobile steering device.
Background technology
Vehicle electric power-assisted steering device is the power steering system that a kind of direct dependence motor provides auxiliary torque, in order to help
Driver is helped to solve the problem that handling maneuver is the heaviest, mainly by torque sensor, vehicle speed sensor, motor, reductor
Structure and electronic control unit etc. form, mechanical driving important during wherein reducing gear is steering gear, this reducing gear by
Worm Wheel System pair is constituted.The structure of common vehicle electric power-assisted steering device is complex and installs more inconvenience.Gear
Rack-type steering gear is as the one in automobile steering device, and it includes housing, the rotating shaft being arranged in housing and is located in housing
Tooth bar, rotating shaft has the gear being coaxially disposed, wheel and rack engages.For the ease of the installation of rotating shaft Yu gear, by shell
The split type setting of body, i.e. housing include upper shell and lower house, and rotating shaft is located between upper shell and lower house simultaneously.Due to upper
Housing and lower house are used split-type design and are connected, during screwing bolts by bolt, it is impossible to ensure each of circumference
Individual bolt is all simultaneously in tight condition, then cannot ensure the axiality between upper shell and lower house, the installation effect of rotating shaft
Difference, cause steering gear turns to precision low, turns to difficulty.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that a kind of turning efficiency is good, peace
Fill convenient pinion and-rack automobile steering device.
The purpose of this utility model can be realized by following technical proposal:
This pinion and-rack automobile steering device, including upper shell, lower house and the tooth bar being located in lower house, described is upper
Be equipped with rotating shaft in housing, described rotating shaft have the gear being positioned at lower house and being coaxially disposed with rotating shaft, described under
Having the holddown spring that one end acts on tooth bar on housing, rack and pinion described under the effect of this holddown spring is nibbled
Close, it is characterised in that there is in described upper shell axis hole one, there is in described lower house axis hole two, described upper shell
And being provided with the location structure for making axis hole one be coaxially disposed with axis hole two between lower house, above-mentioned rotating shaft is located in axle simultaneously
In Kong Yiyu axis hole two.
In above-mentioned pinion and-rack automobile steering device, described location structure include being located on upper shell axial to
The annular rib one of lower extension and the annular rib two extended axially upward being located on lower house, this annular rib one and axis hole
One is coaxially disposed, and annular rib two is coaxially disposed with axis hole two, and described annular rib one stretches to the inner side of annular rib two
And the inner ring surface of the outer ring surface of annular rib one and annular rib two reclines settings, described annular rib one and annular rib two
Between be provided with the position limiting structure for limiting both circumferential movement.
In above-mentioned pinion and-rack automobile steering device, described location structure include being located on upper shell axial to
The annular rib one of lower extension and the annular rib two extended axially upward being located on lower house, this annular rib one and axis hole
One is coaxially disposed, and annular rib two is coaxially disposed with axis hole two, and described annular rib two stretches to the inner side of annular rib one
And the inner ring surface of the outer ring surface of annular rib two and annular rib one reclines settings, described annular rib one and annular rib two
Between be provided with the position limiting structure for limiting both circumferential movement.
In above-mentioned pinion and-rack automobile steering device, described position limiting structure includes that at least one is located at annular
Axial projection on rib one outer ring surface is the most recessed with what axial projection was equipped be located on annular rib two inner ring surface
Groove, described axial projection stretches in axial notch.
In above-mentioned pinion and-rack automobile steering device, described position limiting structure includes that at least one is located at annular
Axial projection on rib one inner ring surface is the most recessed with what axial projection was equipped be located on annular rib two outer ring surface
Groove, described axial projection stretches in axial notch.
In above-mentioned pinion and-rack automobile steering device, described axial projection is 1-3 and is uniformly distributed, described axle
Equal with axial raised quantity to the quantity of groove.
In above-mentioned pinion and-rack automobile steering device, it is provided with close between described annular rib one and annular rib two
Seal.
In above-mentioned pinion and-rack automobile steering device, the outer ring surface of described annular rib one offers annular recessed
Groove, above-mentioned sealing ring is located in this annular groove.
Compared with prior art, this pinion and-rack automobile steering device has the advantage that
Owing to being provided with annular rib one and annular rib two, this annular rib one and ring between upper shell and lower house
Shape rib two axially engages setting, the axiality of axis hole one and axis hole two can be effectively ensured, it is ensured that the installation accuracy of rotating shaft, thus
Improve the precision that turns to of this steering gear, and for removably connecting between upper shell and lower house, rotating shaft is easy for installation, become right
It is safeguarded and changes.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of preferred embodiment that this utility model provides.
Fig. 2 is sectional view at annular rib one and annular rib two in this utility model.
In figure, 1, upper shell；11, axis hole one；12, annular rib one；13, axial projection；14, annular groove；2, lower casing
Body；21, axis hole two；22, annular rib two；23, axial notch；3, tooth bar；4, rotating shaft；5, gear；6, holddown spring.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
Embodiment one
Pinion and-rack automobile steering device as shown in Figure 1, including upper shell 1, lower house 2 be located in lower house 2
Tooth bar 3, is equipped with rotating shaft 4 in upper shell 1, rotating shaft 4 has the gear 5 being positioned at lower house 2 and being coaxially disposed with rotating shaft 4,
There is on lower house 2 holddown spring 6 that one end acts on tooth bar 3, tooth bar 3 described under the effect of this holddown spring 6 with
Gear 5 engages.As it is shown in figure 1, have axis hole 1 in upper shell 1, there is in lower house 2 axis hole 2 21, upper shell 1 and lower casing
Being provided with the location structure for making axis hole 1 be coaxially disposed with axis hole 2 21 between body 2, rotating shaft 4 is located in axis hole 1 simultaneously
With in axis hole 2 21.
As it is shown in figure 1, location structure includes the annular rib 1 extended axially downward being located on upper shell 1 and is located at
The annular rib 2 22 extended axially upward on lower house 2, this annular rib 1 is coaxially disposed with axis hole 1, annular gear
Limit 2 22 is coaxially disposed with axis hole 2 21, and annular rib 1 stretches to inner side and the annular rib 1 of annular rib 2 22
Outer ring surface reclines settings with the inner ring surface of annular rib 2 22, is provided with for limiting between annular rib 1 and annular rib 2 22
The position limiting structure of both circumferential movement of system.
As in figure 2 it is shown, position limiting structure includes at least one axial projection being located on annular rib 1 outer ring surface
13 and be located at annular rib 2 22 inner ring surface on the axial notch 23 being equipped with axial projection 13, axial projection 13 stretches into
To axial notch 23.
As in figure 2 it is shown, axial projection 13 is 3 and is uniformly distributed, the quantity of axial notch 23 and the number of axial projection 13
Measure equal.
In the present embodiment, between annular rib 1 and annular rib 2 22, it is provided with sealing ring, as in figure 2 it is shown, annular
Offering annular groove 14 on the outer ring surface of rib 1, sealing ring is located in this annular groove 14.
Embodiment two
The structural principle of the present embodiment is essentially identical with the structural principle of embodiment one, and different places is, location knot
Structure includes the annular rib 1 extended axially downward being located on upper shell 1 and is located at extending axially upward on lower house 2
Annular rib 2 22, this annular rib 1 is coaxially disposed with axis hole 1, annular rib 2 22 coaxially set with axis hole 2 21
Putting, annular rib 2 22 stretches to the inner side of annular rib 1 and the outer ring surface of annular rib 2 22 and annular rib 1
Inner ring surface reclines setting, is provided with the spacing knot for limiting both circumferential movement between annular rib 1 and annular rib 2 22
Structure.
In the present embodiment, position limiting structure includes at least one axial projection being located on annular rib 1 inner ring surface
13 and be located at annular rib 2 22 outer ring surface on the axial notch 23 being equipped with axial projection 13, axial projection 13 stretches into
To axial notch 23.
In the present embodiment, axial projection 13 is individual for 1-3 and is uniformly distributed, the quantity of axial notch 23 and axial projection 13
Quantity is equal.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (8)
1. a pinion and-rack automobile steering device, including upper shell (1), lower house (2) and the tooth bar being located in lower house (2)
(3), in described upper shell (1), it is equipped with rotating shaft (4), described rotating shaft (4) has and is positioned at lower house (2) and rotating shaft
(4) gear (5) being coaxially disposed, described lower house (2) has the holddown spring (6) that one end acts on tooth bar (3),
The lower described tooth bar (3) of the effect of this holddown spring (6) engages with gear (5), it is characterised in that in described upper shell (1)
There is axis hole one (11), there is axis hole two (21), between described upper shell (1) and lower house (2) in described lower house (2)
Being provided with the location structure for making axis hole one (11) and axis hole two (21) be coaxially disposed, above-mentioned rotating shaft (4) is located in axle simultaneously
Hole one (11) is interior with axis hole two (21).
Pinion and-rack automobile steering device the most according to claim 1, it is characterised in that described location structure includes setting
The annular rib one (12) extended axially downward on upper shell (1) and extending axially upward of being located on lower house (2)
Annular rib two (22), this annular rib one (12) is coaxially disposed with axis hole one (11), annular rib two (22) and axis hole two
(21) being coaxially disposed, described annular rib one (12) stretches to inner side and the annular rib one (12) of annular rib two (22)
Outer ring surface reclines settings with the inner ring surface of annular rib two (22), described annular rib one (12) and annular rib two (22) it
Between be provided with the position limiting structure for limiting both circumferential movement.
Pinion and-rack automobile steering device the most according to claim 1, it is characterised in that described location structure includes setting
The annular rib one (12) extended axially downward on upper shell (1) and extending axially upward of being located on lower house (2)
Annular rib two (22), this annular rib one (12) is coaxially disposed with axis hole one (11), annular rib two (22) and axis hole two
(21) being coaxially disposed, described annular rib two (22) stretches to inner side and the annular rib two (22) of annular rib one (12)
Outer ring surface reclines settings with the inner ring surface of annular rib one (12), described annular rib one (12) and annular rib two (22) it
Between be provided with the position limiting structure for limiting both circumferential movement.
Pinion and-rack automobile steering device the most according to claim 2, it is characterised in that described position limiting structure include to
Lack an axial projection (13) being located on annular rib one (12) outer ring surface and be located at annular rib two (22) inner ring surface
On the axial notch (23) being equipped with axial projection (13), described axial projection (13) stretches to axial notch (23)
In.
Pinion and-rack automobile steering device the most according to claim 3, it is characterised in that described position limiting structure include to
Lack an axial projection (13) being located on annular rib one (12) inner ring surface and be located at annular rib two (22) outer ring surface
On the axial notch (23) being equipped with axial projection (13), described axial projection (13) stretches to axial notch (23)
In.
6. according to the pinion and-rack automobile steering device described in claim 4 or 5, it is characterised in that described axial projection
(13) being 1-3 and be uniformly distributed, the quantity of described axial notch (23) is equal with the quantity of axial projection (13).
7. according to the pinion and-rack automobile steering device described in Claims 2 or 3, it is characterised in that described annular rib one
(12) and it is provided with sealing ring between annular rib two (22).
Pinion and-rack automobile steering device the most according to claim 7, it is characterised in that described annular rib one (12)
Offering annular groove (14) on outer ring surface, above-mentioned sealing ring is located in this annular groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620444359.2U CN205661519U (en) | 2016-05-16 | 2016-05-16 | Rack and pinion formula auto steering ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620444359.2U CN205661519U (en) | 2016-05-16 | 2016-05-16 | Rack and pinion formula auto steering ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205661519U true CN205661519U (en) | 2016-10-26 |
Family
ID=57161451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620444359.2U Expired - Fee Related CN205661519U (en) | 2016-05-16 | 2016-05-16 | Rack and pinion formula auto steering ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205661519U (en) |
-
2016
- 2016-05-16 CN CN201620444359.2U patent/CN205661519U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 Termination date: 20170516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |