CN209115431U - A kind of novel steering device stroke unloading mechanism - Google Patents
A kind of novel steering device stroke unloading mechanism Download PDFInfo
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- CN209115431U CN209115431U CN201821809927.XU CN201821809927U CN209115431U CN 209115431 U CN209115431 U CN 209115431U CN 201821809927 U CN201821809927 U CN 201821809927U CN 209115431 U CN209115431 U CN 209115431U
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- stroke
- mandril
- regulating lever
- nut
- upper housing
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Abstract
The utility model discloses a kind of novel steering device stroke unloading mechanisms, including upper housing, steering nut and lower case, lower case is installed on the right side of upper housing, input shaft is horizontally arranged in the middle part of upper housing, screw rod cylinder is installed on the right side of input shaft, steering nut is installed on the outside of screw rod cylinder, steering nut top is provided with limit hole, the left and right sides is symmetrically arranged with stroke regulating lever inside limit hole, stroke valve seat is socketed on stroke regulating lever, stroke regulating lever is internally provided with stroke mandril, convex shoulder is provided on the corresponding stroke mandril in stroke regulating lever right end aperture, spring retainer is provided on the outside of limit spring, stroke mandril left end is provided with locking nut at corresponding upper casing body position.The utility model is solved the problems, such as to interfere with each other during spring-compressed with support rod, be let out in product occurs and product cost is excessively high by setting upper housing, steering nut and lower case.
Description
Technical field
The utility model relates to automobile component manufacturing technology field, specially a kind of novel steering device stroke unloading mechanism.
Background technique
With the development of automobile steering system and the promotion of security performance, the requirement to diverter reliability is also increasingly
Height is provided with diverter stroke unloading mechanism, existing automobile hydraulic power-driven steering gear off-load to protect steering system reliability
Mechanism structure has the following deficiencies:
1, lower limit screw is installed on shell, guarantees its leakproofness by O-ring, there are the risks of external leakage；
2, upper limit external screw thread is M16 structure, and has the presence of conical surface plug screw, causes this structure that can not be arranged in small cylinder
On gauge structure product；
3, there is the risk of interference during spring-compressed with support rod；
4, this structure upper and lower limits mechanism is asymmetric, and structure is complicated, is unfavorable for purchasing and assembling controlling its quality.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of novel steering device stroke unloading mechanism, solves
It interferes with each other during spring-compressed, let out in product occurs and problem that product cost is excessively high with support rod.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of novel steering device stroke unloading mechanism,
Including upper housing, steering nut and lower case, lower case is installed on the right side of upper housing, is horizontally arranged with input in the middle part of upper housing
Axis, and be mounted on upper housing on the outside of input shaft by sealing mechanism, screw rod cylinder, peace on the outside of screw rod cylinder are installed on the right side of input shaft
Equipped with steering nut, and steering nut is arranged in lower case middle inside, and steering nut top is provided with limit hole, in limit hole
It is symmetrically arranged with stroke regulating lever at left and right sides of portion, stroke valve seat is socketed on stroke regulating lever, stroke regulating lever passes through row
Journey valve seat is fixed on limit hole, and stroke regulating lever is internally provided with stroke mandril, and between stroke mandril and stroke regulating lever
For clearance fit, be provided with convex shoulder on the corresponding stroke mandril in stroke regulating lever right end aperture, stroke mandril and stroke mandril it
Between be arranged with limit spring, and be clearance fit between limit spring and stroke mandril, spring guarantor be provided on the outside of limit spring
Holder, and be clearance fit between spring retainer and limit spring, it is arranged at the corresponding upper casing body position in stroke mandril left end
There is locking nut.
Preferably, the lower case at place is internally provided with epicoele on the left of steering nut, the lower casing at place on the right side of steering nut
Body is internally provided with cavity of resorption.
Preferably, pass through threaded engagement connection between the limit hole inner sidewall on stroke valve seat and steering nut.
Preferably, limit spring left and right ends are fastened between the convex shoulder on the stroke mandril at left and right sides of limit hole.
Preferably, spring retainer lateral wall is fixed on inside the limit hole on steering nut.
It preferably, is interference fit between stroke valve seat and stroke regulating lever.
(3) beneficial effect
The utility model provides a kind of novel steering device stroke unloading mechanism, have it is following the utility model has the advantages that
(1) the upper and lower symmetrical configuration of the utility model, structure is simple, is conducive to the control of Purchased Item quality, is also beneficial to limit
The assembly of position mechanism.
(2) the utility model cancels stop screw compared with existing structure, and lower limit is directly touched with shell steel bottom, kept away
Exempt from external leakage.
(3) the utility model position-limit mechanism is M14 structure, using the grommet nut structure for cancelling cone plug screw, is suitable for mesh
The ball-and-nut steering gear product of preceding all cylinder diameters.
(4) the utility model is to interfere during avoiding spring-compressed with support rod, cancels support rod, increases spring and keep
Device improves the reliability of product.
(5) use of the utility model grommet nut avoids letting out in product generation, and reduces the assembly of conical surface plug screw,
Reduce product cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the steering nut component diagram of the utility model；
Fig. 3 is the stroke adjustment component diagram of the utility model.
In figure: 1, input shaft；2, upper housing；3, sealing mechanism；4, locking nut；5, screw rod cylinder；6, steering nut；7, on
Chamber；8, cavity of resorption；9, lower case；10, limit spring；11, convex shoulder；12, stroke valve seat；13, stroke regulating lever；14, spring is kept
Device；15, stroke mandril；16, limit hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of novel steering device stroke unloading mechanism, packet
Upper housing 2, steering nut 6 and lower case 9 are included, lower case 9 is installed on the right side of upper housing 2, is horizontally arranged in the middle part of upper housing 2 defeated
Enter axis 1, and be mounted on upper housing 2 on the outside of input shaft 1 by sealing mechanism 3, screw rod cylinder 5, screw rod are installed on the right side of input shaft 1
5 outside of cylinder is equipped with steering nut 6, and the setting of steering nut 6 is under where 9 middle inside of lower case, 6 left side of steering nut
Shell 9 is internally provided with epicoele 7, and the lower case 9 where 6 right side of steering nut is internally provided with cavity of resorption 8,6 top of steering nut
It is provided with limit hole 16, the 16 inside left and right sides of limit hole is symmetrically arranged with stroke regulating lever 13, is socketed on stroke regulating lever 13
There is stroke valve seat 12, and be interference fit between stroke valve seat 12 and stroke regulating lever 13, stroke regulating lever 13 passes through stroke
Valve seat 12 is fixed on limit hole 16, is revolved between 16 inner sidewall of limit hole on stroke valve seat 12 and steering nut 6 by screw thread
Connection is closed, after stroke valve seat 12 is screwed into the limit hole 16 in steering nut 6, stroke valve seat 12 has a round boss and limit hole 16
Inner convex platform contact, forms end face seal, and the oil liquid of epicoele 7 is made not leak into cavity of resorption 8 along screw thread, inside stroke regulating lever 13
It is provided with stroke mandril 15, and is clearance fit, 13 right end hole of stroke regulating lever between stroke mandril 15 and stroke regulating lever 13
Convex shoulder 11 is provided on the corresponding stroke mandril 15 of mouth, 13 aperture of stroke regulating lever is 90 ° of conical surfaces, stroke mandril 15 and stroke tune
The convex shoulder 11 of 13 hole mouth contact position of pole is the processing of SR5 spherical surface, when limit spring 10 is compressed, stroke mandril 15 and stroke tune
Pole 13 forms ball face sealing by convex shoulder 11, guarantees its leakproofness, is arranged between stroke mandril 15 and stroke mandril 15 limited
Position spring 10, and be clearance fit between limit spring 10 and stroke mandril 15,10 left and right ends of limit spring are fastened on limit
Between convex shoulder 11 on the stroke mandril 15 of 16 left and right sides of hole, spring retainer 14, and bullet are provided on the outside of limit spring 10
It is clearance fit between spring retainer 14 and limit spring 10,14 lateral wall of spring retainer is fixed on the limit on steering nut 6
Inside the hole 16 of position, 15 left end of stroke mandril is provided with locking nut 4 at corresponding 2 position of upper housing.
In use, when steering nut 6 moves downward, the stroke tune of convex shoulder 11 and the right on the stroke mandril 15 on the right
13 aperture of pole is in the open state under pressure, the stroke adjustment of the convex shoulder 11 on the stroke mandril 15 on the left side and the left side
Bar 13 is in close state under the action of limit spring 10, and steering nut 6 continues to run to the left under the action of fluid power at this time
When to uplink way limit, the stroke mandril 15 in left side touches the locking inside upper housing 2 under the drive of steering nut 6 at this time
On nut 4, the stroke mandril 15 in left side is made the stroke mandril 15 on the left side by mechanical force by an active force to the right at this time
On convex shoulder 11 separated with 13 aperture of stroke regulating lever on the left side, the epicoele 7 of the diverter and cavity of resorption 8 penetrate through, and reach off-load mesh
, when steering nut 6 moves right, 13 aperture of stroke regulating lever of convex shoulder 11 and the left side on the stroke mandril 15 on the left side exists
In the open state under pressure effect, the stroke regulating lever 13 of convex shoulder 11 and the right on the stroke mandril 15 on the right is in limit bullet
It is in close state under the action of spring 10, steering nut 6 continues to run to downlink way limit to the right under the action of fluid power at this time
When, the stroke mandril 15 on right side is touched under the drive of steering nut 6 in lower case 9 at this time, at this time the stroke mandril on right side
15, by an active force to the left, the convex shoulder 11 on the stroke mandril 15 on the right and the stroke adjustment on the right are made by mechanical force
The separation of 13 aperture of bar, the cavity of resorption 8 and epicoele 7 of the diverter penetrate through, and reach off-load purpose.
It can to sum up obtain, the utility model solves spring-compressed by setting upper housing 2, steering nut 6 and lower case 9
It interferes with each other, let out in product occurs and problem that product cost is excessively high with support rod in the process.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of novel steering device stroke unloading mechanism, including upper housing (2), steering nut (6) and lower case (9), feature
It is: is equipped with lower case (9) on the right side of upper housing (2), is horizontally arranged with input shaft (1) in the middle part of upper housing (2), and input shaft
(1) outside is mounted on upper housing (2) by sealing mechanism (3), is equipped with screw rod cylinder (5), screw rod cylinder on the right side of input shaft (1)
(5) outside is equipped with steering nut (6), and steering nut (6) is arranged on lower case (9) middle inside, steering nut (6) top
It is provided with limit hole (16), the internal left and right sides of limit hole (16) is symmetrically arranged with stroke regulating lever (13), stroke regulating lever
(13) it being socketed on stroke valve seat (12), stroke regulating lever (13) is fixed on limit hole (16) by stroke valve seat (12),
Stroke regulating lever (13) is internally provided with stroke mandril (15), and is gap between stroke mandril (15) and stroke regulating lever (13)
Cooperation is provided with convex shoulder (11) on the corresponding stroke mandril (15) in stroke regulating lever (13) right end aperture, stroke mandril (15) with
It is arranged between stroke mandril (15) limit spring (10), and matches between limit spring (10) and stroke mandril (15) for gap
It closes, is provided with spring retainer (14) on the outside of limit spring (10), and be between spring retainer (14) and limit spring (10)
Clearance fit, stroke mandril (15) left end are provided with locking nut (4) at corresponding upper housing (2) position.
2. a kind of novel steering device stroke unloading mechanism according to claim 1, it is characterised in that: steering nut (6) is left
Lower case (9) where side is internally provided with epicoele (7), and the lower case (9) where on the right side of steering nut (6) is internally provided with down
Chamber (8).
3. a kind of novel steering device stroke unloading mechanism according to claim 1, it is characterised in that: stroke valve seat (12) with
Pass through threaded engagement connection between limit hole (16) inner sidewall on steering nut (6).
4. a kind of novel steering device stroke unloading mechanism according to claim 1, it is characterised in that: limit spring (10) is left
Right both ends are fastened between the convex shoulder (11) on the stroke mandril (15) at left and right sides of limit hole (16).
5. a kind of novel steering device stroke unloading mechanism according to claim 1, it is characterised in that: spring retainer (14)
It is internal that lateral wall is fixed on the limit hole (16) on steering nut (6).
6. a kind of novel steering device stroke unloading mechanism according to claim 1, it is characterised in that: stroke valve seat (12) with
It is interference fit between stroke regulating lever (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809927.XU CN209115431U (en) | 2018-11-05 | 2018-11-05 | A kind of novel steering device stroke unloading mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809927.XU CN209115431U (en) | 2018-11-05 | 2018-11-05 | A kind of novel steering device stroke unloading mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209115431U true CN209115431U (en) | 2019-07-16 |
Family
ID=67203660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821809927.XU Active CN209115431U (en) | 2018-11-05 | 2018-11-05 | A kind of novel steering device stroke unloading mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209115431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340206A (en) * | 2018-11-05 | 2019-02-15 | 豫北转向系统（新乡）有限公司 | A kind of novel steering device stroke unloading mechanism |
-
2018
- 2018-11-05 CN CN201821809927.XU patent/CN209115431U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340206A (en) * | 2018-11-05 | 2019-02-15 | 豫北转向系统（新乡）有限公司 | A kind of novel steering device stroke unloading mechanism |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Patentee after: North Henan Steering System (Xinxiang) Co.,Ltd. Address before: No. 322, Heping Avenue, Xinxiang City, Henan Province, 453000 Patentee before: YUBEI STEERING SYSTEM (XINXIANG) CO.,LTD. |