CN208233157U - Reduce the new construction and transfer of frictional force between rack bar and rack bush - Google Patents
Reduce the new construction and transfer of frictional force between rack bar and rack bush Download PDFInfo
- Publication number
- CN208233157U CN208233157U CN201820511138.1U CN201820511138U CN208233157U CN 208233157 U CN208233157 U CN 208233157U CN 201820511138 U CN201820511138 U CN 201820511138U CN 208233157 U CN208233157 U CN 208233157U
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- China
- Prior art keywords
- rack
- rack bar
- oil storage
- bush
- storage tank
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Abstract
The utility model relates to Automotive Steering Technology fields, disclose a kind of new construction for reducing frictional force between rack bar and rack bush, including rack bar and rack bush, the rack bush is set on the rack bar, the rack bar and the rack bush slidable connection, the axial direction of the rack bar and it is located in the scope of activities of the rack bush and is intervally arranged and has multiple tracks oil storage tank group, per pass oil storage tank group is intervally arranged along the circumferencial direction of the rack bar several oil storage tanks, is stored with lubricating oil in the oil storage tank.The invention also discloses a kind of transfers.The utility model can reduce frictional force and noise between rack bar and rack bush.
Description
Technical field
The utility model relates to Automotive Steering Technology fields, more particularly between a kind of reduction rack bar and rack bush
The new construction and transfer of frictional force.
Background technique
Transfer includes: a steering shaft (steering shaft), positioned at a bottom side of the steering wheel of the driver's seat；
One gear-box connects the steering shaft；And a rack bar (rack bar), it is connected to wheel, while to the left and right direction
Extend, the wheel is operated directly with the operation according to the gear-box, is arranged with rack bush on rack bar.
Frictional force is larger between existing rack bar and rack bush, and rack bush is easy to wear, and makes rack bush and tooth
Biggish gap is formed between bar, after rack bush abrasion, transfer can generate biggish noise.
Utility model content
(1) technical problems to be solved
The technical problems to be solved in the utility model is the frictional force how reduced between rack bar and rack bush and makes an uproar
Sound.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides frictional force between a kind of reduction rack bar and rack bush
New construction, including rack bar and rack bush, the rack bush be set on the rack bar, the rack bar with it is described
Rack bush slidable connection, the axial direction of the rack bar and be located at the rack bush scope of activities in be intervally arranged have it is more
Road oil storage tank group, per pass oil storage tank group is intervally arranged along the circumferencial direction of the rack bar several oil storage tanks, the oil storage tank
In be stored with lubricating oil.
Wherein, axial uniformly arrangement of the oil storage tank group described in multiple tracks along the rack bar.
Wherein, several oil storage tanks of oil storage tank group described in per pass are uniformly arranged along the circumferencial direction of the rack bar.
Wherein, the groove face of the oil storage tank is in the cambered surface of indent.
Wherein, the radius of the cambered surface is 1~2mm.
Wherein, the hollow depth of the oil storage tank is 0.1~0.2mm.
Wherein, the oil storage tank is made up of blasting craft.
The utility model also provides a kind of transfer comprising between reduction rack bar described above and rack bush
The new construction of frictional force.
(3) beneficial effect
Compared with prior art, the utility model has the advantage that
A kind of new construction reducing frictional force between rack bar and rack bush provided by the utility model, using in rack gear
The axial direction of bar and it is located in the scope of activities of rack bush and is intervally arranged and has multiple tracks oil storage tank group, per pass oil storage tank group is along rack bar
Circumferencial direction be intervally arranged and have several oil storage tanks, be stored with lubricating oil in the oil storage tank；To in rack gear operational process
Frictional force can be reduced, can also reduce noise, promote properties of product.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram for reducing the new construction of frictional force between rack bar and rack bush of the utility model；
Fig. 2 is the cross-sectional view of the utility model oil storage tank；
In figure: 1: rack bar；11: rack gear；12: the body of rod；2: rack bush；3: oil storage tank.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it is above-mentioned that concrete condition understanding can be regarded
The concrete meaning of term in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " are meant that two
It is a or more than two.
As shown in Figure 1, being frictional force between a kind of reduction rack bar and rack bush provided by the embodiment of the utility model
New construction, including rack bar 1 and rack bush 2, the rack bush 2 be set on the rack bar 1, specifically, rack gear
Bar 1 is equipped with rack gear 11, and the both ends of rack gear 11 are separately connected the cylindrical body of rod 12, and rack bush 2 is arranged in wherein one end
On the body of rod 12, the rack bar 1 is with 2 slidable connection of rack bush, the axial direction of the rack bar 1 and positioned at the rack gear
Being intervally arranged in the scope of activities of bushing 2 has 3 groups of multiple tracks oil storage tank, 3 groups of the per pass oil storage tank circumferencial directions along the rack bar 1
Being intervally arranged has several oil storage tanks 3, is stored with lubricating oil in oil storage tank 3, to form profit in the scope of activities of rack bush 2
Skating area domain forms grease film layer between rack bush 2 and rack bar 1, so that frictional force can be reduced in rack gear operational process,
Also noise can be reduced, properties of product are promoted；And 3 structure of oil storage tank of setting does not influence the sliding of rack bush 2.
In the embodiments of the present invention, 3 groups of the oil storage tank axial uniformly arrangements along the rack bar 1 described in multiple tracks；And
3 groups of oil storage tank of several oil storage tanks 3 described in per pass are uniformly arranged along the circumferencial direction of the rack bar 1；To form uniform profit
Skating area domain.
Specifically, easy to process as shown in Fig. 2, the groove face of the oil storage tank 3 is in the cambered surface of indent, and surface is smooth, nothing
Wedge angle, dead angle, convenient for the storage of lubricating oil.
It in the embodiments of the present invention, is verified by many experiments, the radius of the cambered surface is selected as 1~2mm.
In the embodiments of the present invention, the hollow depth of the oil storage tank 3 is selected as 0.1~0.2mm, preferably 0.1mm.
In the embodiments of the present invention, the oil storage tank 3 is made up of blasting craft, low in cost, can be according to zero
The abrasive material of different material can be selected in the requirement of part material, surface state and processing.
The utility model embodiment additionally provides a kind of transfer comprising reduction rack bar 1 described above and tooth
The new construction of frictional force between bushing 2, to guarantee that the frictional force of the transfer and noise can obtain larger reduction.
As can be seen from the above embodiments, the utility model structure is simple, easy to process, can be effectively reduced rack bar 1
Frictional force and noise between rack bush 2.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of new construction for reducing frictional force between rack bar and rack bush, including rack bar and rack bush, the tooth
Bushing is set on the rack bar, the rack bar and the rack bush slidable connection, which is characterized in that the tooth
The axial direction of bar and it is located in the scope of activities of the rack bush and is intervally arranged and has multiple tracks oil storage tank group, per pass oil storage tank group edge
The circumferencial direction of the rack bar, which is intervally arranged, several oil storage tanks, is stored with lubricating oil in the oil storage tank.
2. the new construction according to claim 1 for reducing frictional force between rack bar and rack bush, which is characterized in that more
Axial uniformly arrangement of the oil storage tank group described in road along the rack bar.
3. the new construction according to claim 1 for reducing frictional force between rack bar and rack bush, which is characterized in that every
Several oil storage tanks of oil storage tank group described in road are uniformly arranged along the circumferencial direction of the rack bar.
4. the new construction according to claim 1 for reducing frictional force between rack bar and rack bush, which is characterized in that institute
The groove face for stating oil storage tank is in the cambered surface of indent.
5. the new construction according to claim 4 for reducing frictional force between rack bar and rack bush, which is characterized in that institute
The radius for stating cambered surface is 1~2mm.
6. the new construction according to claim 4 for reducing frictional force between rack bar and rack bush, which is characterized in that institute
The hollow depth for stating oil storage tank is 0.1~0.2mm.
7. the new construction according to claim 1-6 for reducing frictional force between rack bar and rack bush, special
Sign is that the oil storage tank is made up of blasting craft.
8. a kind of transfer, which is characterized in that including the described in any item reduction rack bars of claim 1-7 and rack bush
Between frictional force new construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820511138.1U CN208233157U (en) | 2018-04-11 | 2018-04-11 | Reduce the new construction and transfer of frictional force between rack bar and rack bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820511138.1U CN208233157U (en) | 2018-04-11 | 2018-04-11 | Reduce the new construction and transfer of frictional force between rack bar and rack bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208233157U true CN208233157U (en) | 2018-12-14 |
Family
ID=64587222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820511138.1U Active CN208233157U (en) | 2018-04-11 | 2018-04-11 | Reduce the new construction and transfer of frictional force between rack bar and rack bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208233157U (en) |
-
2018
- 2018-04-11 CN CN201820511138.1U patent/CN208233157U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Gyeonggi Do, South Korea Patentee after: Hanna Wandu Co.,Ltd. Patentee after: MANDO CHINA HOLDINGS Ltd. Address before: Gyeonggi Do, South Korea Patentee before: MANDO Corp. Patentee before: MANDO CHINA HOLDINGS Ltd. |
|
| CP01 | Change in the name or title of a patent holder |