CN208630692U - A kind of steel-ball type slide construction for jackshaft - Google Patents
A kind of steel-ball type slide construction for jackshaft Download PDFInfo
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- CN208630692U CN208630692U CN201821042546.3U CN201821042546U CN208630692U CN 208630692 U CN208630692 U CN 208630692U CN 201821042546 U CN201821042546 U CN 201821042546U CN 208630692 U CN208630692 U CN 208630692U
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- China
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- steel ball
- mounting hole
- reinforcing rib
- tubular moulding
- steel
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Abstract
The utility model relates to automobile steering device technology fields.A kind of steel-ball type slide construction for jackshaft, including a tubular moulding；The inner wall of tubular moulding is equipped with 6 strip reinforcing ribs, and the length direction of strip reinforcing rib is parallel to the axial direction of tubular moulding；The outer wall of tubular moulding, which is equipped with, intersects the netted reinforcing rib constituted by 6 cyclic reinforcing ribs and 6 prism-shaped reinforcing ribs；36 steel ball mounting holes are also provided on tubular moulding, 36 steel ball mounting holes are divided into six mounting hole groups, each mounting hole group is equipped with the steel ball mounting hole of 6 axial arrangings along tubular moulding, steel ball mounting hole is provided with the intersection of netted reinforcing rib, and steel ball mounting hole extends radially through strip reinforcing rib along tubular moulding.The rolling friction of this patent steel ball reduces contact area, so that the jackshaft sliding force under reducing the same terms, guarantees the performance of rigidity instead of the sliding friction of spline form.
Description
Technical field
The utility model relates to automobile steering device technology fields, and in particular to slide construction.
Background technique
Requirement of the current market to electric booster steering device is higher and higher, and the requirement to jackshaft also increases accordingly.
Jackshaft is mounted below vehicle steering wheel, convenient for controlling the flexible operating of wheel of vehicle.
Traditional jackshaft realizes the sliding friction of input shaft and output shaft by spline slide construction, however existing
Spline slide construction, rigidity and sliding force are contradictory characteristics each other, and the high sliding force of rigidity is relatively high, is unsatisfactory for client
It is required that.
Utility model content
In view of the problems of the existing technology, the utility model provides a kind of steel-ball type slide construction for jackshaft,
To solve at least one above-mentioned technical problem.
The technical solution of the utility model is: a kind of steel-ball type slide construction for jackshaft, which is characterized in that including
One tubular moulding and steel ball；
The inner wall of the tubular moulding is equipped with 6 strip reinforcing ribs, and the length direction of the strip reinforcing rib is parallel
In the axial direction of the tubular moulding；
The outer wall of the tubular moulding is equipped with netted reinforcing rib, and the netted reinforcing rib is by 6 cyclic reinforcing ribs
And 6 prism-shaped reinforcing ribs intersect composition；
Steel ball mounting hole is also provided on the tubular moulding, the steel ball mounting hole is equipped with 36,36 steel ball peaces
Dress hole is divided into six mounting hole groups, and each mounting hole group is equipped with the steel ball installation of 6 axial arrangings along tubular moulding
Hole, and six mounting hole groups are annularly arranged using the central axis of the tubular moulding as center line；
The steel ball mounting hole is provided with cyclic reinforcing rib and the prism-shaped reinforcing rib intersection of the netted reinforcing rib, and
The steel ball mounting hole extends radially through the strip reinforcing rib along the tubular moulding；
The steel ball is embedded in the steel ball mounting hole, and is interference fitted with the tubular moulding, and axially
In projection, the outer profile of strip reinforcing rib and prism-shaped reinforcing rib is covered in the outer profile of steel ball.
This patent is by improveing spline structure for steel-ball type slide construction, with the rolling friction of steel ball instead of spline shape
The sliding friction of formula reduces contact area, so that the jackshaft sliding force under reducing the same terms, guarantees the performance of rigidity,
Meet the application conditions of client's high torque project well.And by the setting of strip reinforcing rib and netted reinforcing rib, guarantee
While tubular moulding intensity, increases the contact area of tubular moulding and steel ball, guarantee the fixed effect of steel ball.
The Internal periphery of the steel ball mounting hole and the curvature of the outer surface of the steel ball match.
Convenient for guaranteeing contact area.
The prism-shaped reinforcing rib includes the reinforcement unit between adjacent steel ball mounting hole, the cross among reinforcement unit
Area of section is less than the cross-sectional area at both ends.
This patent while being convenient for save the cost, is realized steel ball uniform force, compared by the structure of optimization reinforcement unit
The reinforcement unit of iso-cross-section area can effectively reduce interfering with each other for stress between adjacent steel ball.
The oil storage hole be connected with the steel ball mounting hole is offered in the reinforcement unit.
By accommodating lubricating oil in oil storage hole, and then realize the lubrication to steel ball.It is solid to may be implemented half by oil storage hole
The fixation of the lubricating oil of state.
The sponge that one submergence has liquid lubricant is installed in the oil storage hole.
Convenient for liquid lubricant is fixed in oil storage hole by sponge.
The oil storage hole is the through-hole penetrated through along moulding axial ends.
Convenient for the fixation of sponge.
The tubular moulding is PA66.Convenient for proof strength.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model；
Fig. 2 is a kind of side view of the utility model；
Fig. 3 is a kind of structural schematic diagram of the utility model tubular moulding；
Fig. 4 is structural schematic diagram when the utility model is mounted on input shaft and exports Spindle Status.
In figure: 1 is moulding, and 2 be steel ball, and 3 be cyclic reinforcing rib, and 4 be prism-shaped reinforcing rib, and 5 be strip reinforcing rib, 6
It is output shaft for steel ball mounting hole, 7,8 be the first sliding groove, and 9 be input shaft.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of steel-ball type slide construction for jackshaft, including a tubular moulding 1 with
And steel ball 2；The inner wall of tubular moulding 1 is equipped with 6 strip reinforcing ribs 5, and the length direction of strip reinforcing rib 5 is parallel to tubular
The axial direction of moulding 1；The outer wall of tubular moulding 1 is equipped with netted reinforcing rib, and netted reinforcing rib is by 6 cyclic reinforcing ribs 3
And 6 prism-shaped reinforcing ribs 4 intersect composition；Steel ball mounting hole 6 is also provided on tubular moulding 1, steel ball mounting hole 6 is set
There are 36,36 steel ball mounting holes 6 divide for six mounting hole groups, and each mounting hole group is equipped with 6 along tubular moulding 1
The steel ball mounting hole 6 of axial arranging, and six mounting hole groups are annularly arranged by center line of the central axis of tubular moulding 1
Cloth；Steel ball mounting hole 6 is provided with cyclic reinforcing rib and the prism-shaped reinforcing rib intersection of netted reinforcing rib, and steel ball mounting hole 6
Strip reinforcing rib 5 is extended radially through along tubular moulding 1；Steel ball 2 is embedded in steel ball mounting hole 6, and with tubular moulding 1
Interference fit, and axially in projection, the outer profile of strip reinforcing rib 5 and prism-shaped reinforcing rib 4 is covered on steel ball 2
In outer profile.This patent is by improveing spline structure for steel-ball type slide construction, with the rolling friction of steel ball instead of spline
The sliding friction of form reduces contact area, so that the jackshaft sliding force under reducing the same terms, guarantees the property of rigidity
Can, meet the application conditions of client's high torque project well.And pass through the setting of strip reinforcing rib 5 and netted reinforcing rib,
While guaranteeing 1 intensity of tubular moulding, increase the contact area of tubular moulding 1 and steel ball 2, guarantees the fixed effect of steel ball 2
Fruit.When steel ball is by external force, can freely be rolled in steel ball mounting hole.
The curvature of the outer surface of the Internal periphery and steel ball of steel ball mounting hole 6 matches.Convenient for guaranteeing contact area.
Prism-shaped reinforcing rib 4 includes the reinforcement unit between adjacent steel ball mounting hole, transversal among reinforcement unit
Face area is less than the cross-sectional area at both ends.This patent passes through the structure of optimization reinforcement unit, real while being convenient for save the cost
Existing steel ball uniform force, compares the reinforcement unit of iso-cross-section area, can effectively reduce the mutual of stress between adjacent steel ball
Interference.
The oil storage hole be connected with steel ball mounting hole is offered in reinforcement unit.By accommodating lubricating oil in oil storage hole, into
And realize the lubrication to steel ball 2.The fixation of the lubricating oil of semisolid may be implemented by oil storage hole.The internal diameter of oil storage hole is
0.5mm-2mm。
The sponge that one submergence has liquid lubricant is installed in oil storage hole.Convenient for liquid lubricant is fixed on by sponge
In oil storage hole.Oil storage hole is the through-hole penetrated through along 1 axial ends of moulding.Convenient for the fixation of sponge.The internal diameter of through-hole along
Radial direction is gradually successively decreased after being gradually incremented by.It is fixed convenient for the receiving of sponge.The inside of sponge is fixed with a basalt fibre line.It is convenient for
By pullling for basalt fibre line, sponge is fixed in through-hole.
Tubular moulding 1 is PA66.Convenient for proof strength.The outer diameter of steel ball is 4mm-4.5mm.The prominent height of circular protrusion
Degree is 1mm-1.5mm.
Referring to fig. 4, the cavity for accommodating tubular moulding is equipped between input shaft 9 and output shaft 7.7 partial insertion of output shaft
There are six the first cunnings being axially arranged along output shaft 7 in input shaft 9, on the lateral wall of the output shaft 7 in input shaft 9
Slot 8 is moved, there are six the second sliding grooves being axially arranged along input shaft 9 on the inner sidewall of input shaft 9, steel-ball type slide construction is set
It sets between input shaft 9 and output shaft 7, and steel ball insertion is arranged in the first sliding groove 8 and the second sliding groove.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the protection scope of the utility model.
Claims (5)
1. a kind of steel-ball type slide construction for jackshaft, which is characterized in that including a tubular moulding and steel ball；
The inner wall of the tubular moulding is equipped with 6 strip reinforcing ribs, and the length direction of the strip reinforcing rib is parallel to institute
State the axial direction of tubular moulding；
The outer wall of the tubular moulding is equipped with netted reinforcing rib, and the netted reinforcing rib is by 6 cyclic reinforcing ribs and 6
What a prism-shaped reinforcing rib intersection was constituted；
Steel ball mounting hole is also provided on the tubular moulding, the steel ball mounting hole is equipped with 36,36 steel ball mounting holes
It is divided into six mounting hole groups, each mounting hole group is equipped with the steel ball mounting hole of 6 axial arrangings along tubular moulding, and
Six mounting hole groups are annularly arranged using the central axis of the tubular moulding as center line；
The steel ball mounting hole is provided with cyclic reinforcing rib and the prism-shaped reinforcing rib intersection of the netted reinforcing rib, and described
Steel ball mounting hole extends radially through the strip reinforcing rib along the tubular moulding；
The steel ball is embedded in the steel ball mounting hole, and is interference fitted with the tubular moulding, and axially project
On, the outer profile of strip reinforcing rib and prism-shaped reinforcing rib is covered in the outer profile of steel ball.
2. a kind of steel-ball type slide construction for jackshaft according to claim 1, it is characterised in that: the steel ball peace
The curvature of the Internal periphery and the outer surface of the steel ball that fill hole matches.
3. a kind of steel-ball type slide construction for jackshaft according to claim 1, it is characterised in that: the prism-shaped
Reinforcing rib includes the reinforcement unit between adjacent steel ball mounting hole, and the cross-sectional area among reinforcement unit is less than both ends
Cross-sectional area.
4. a kind of steel-ball type slide construction for jackshaft according to claim 3, it is characterised in that: the reinforcement is single
The oil storage hole be connected with the steel ball mounting hole is offered in member.
5. a kind of steel-ball type slide construction for jackshaft according to claim 4, it is characterised in that: the oil storage hole
The sponge that one submergence has liquid lubricant is inside installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821042546.3U CN208630692U (en) | 2018-07-03 | 2018-07-03 | A kind of steel-ball type slide construction for jackshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821042546.3U CN208630692U (en) | 2018-07-03 | 2018-07-03 | A kind of steel-ball type slide construction for jackshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208630692U true CN208630692U (en) | 2019-03-22 |
Family
ID=65735545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821042546.3U Active CN208630692U (en) | 2018-07-03 | 2018-07-03 | A kind of steel-ball type slide construction for jackshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208630692U (en) |
-
2018
- 2018-07-03 CN CN201821042546.3U patent/CN208630692U/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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201814, No. 289, 100 Road, Anting Town, Shanghai, Jiading District Patentee after: Zeifu Automotive Technology (Shanghai) Co., Ltd. Address before: 201814, No. 289, 100 Road, Anting Town, Shanghai, Jiading District Patentee before: Tianhe Automotive Technology (Shanghai) Co., Ltd. |