CN109340206A - A kind of novel steering device stroke unloading mechanism - Google Patents
A kind of novel steering device stroke unloading mechanism Download PDFInfo
- Publication number
- CN109340206A CN109340206A CN201811306923.4A CN201811306923A CN109340206A CN 109340206 A CN109340206 A CN 109340206A CN 201811306923 A CN201811306923 A CN 201811306923A CN 109340206 A CN109340206 A CN 109340206A
- Authority
- CN
- China
- Prior art keywords
- stroke
- mandril
- regulating lever
- nut
- upper housing
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Control Devices (AREA)
Abstract
The invention 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 present invention 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 present invention 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 diameter knot
On 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.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of novel steering device stroke unloading mechanism, spring-compressed is solved
It interferes with each other, let out in product occurs and problem that product cost is excessively high with support rod in the process.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of novel steering device stroke unloading mechanism, including upper casing
Body, steering nut and lower case, upper housing right side are equipped with lower case, input shaft are horizontally arranged in the middle part of upper housing, and input
It is mounted on upper housing on the outside of axis by sealing mechanism, screw rod cylinder is installed on the right side of input shaft, steering is installed on the outside of screw rod cylinder
Nut, and steering nut is arranged in lower case middle inside, steering nut top is provided with limit hole, left and right two inside limit hole
Side is symmetrically arranged with stroke regulating lever, stroke valve seat is socketed on stroke regulating lever, it is solid that stroke regulating lever passes through stroke valve seat
It is scheduled on limit hole, stroke regulating lever is internally provided with stroke mandril, and matches between stroke mandril and stroke regulating lever for gap
It closes, is provided with convex shoulder on the corresponding stroke mandril in stroke regulating lever right end aperture, is arranged between stroke mandril and stroke mandril
Limit spring, and be clearance fit between limit spring and stroke mandril, spring retainer, and bullet are provided on the outside of limit spring
It is clearance fit between spring retainer and limit spring, stroke mandril left end is provided with locking screw at corresponding upper casing body position
It is female.
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 present invention 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 present invention, structure is simple, is conducive to the control of Purchased Item quality, is also beneficial to position-limit mechanism
Assembly.
(2) present invention cancels stop screw compared with existing structure, and lower limit is directly touched with shell steel bottom, avoids outer
Leakage.
(3) position-limit mechanism of the present invention is M14 structure, using the grommet nut structure for cancelling cone plug screw, is suitable for current institute
There is the ball-and-nut steering gear product of cylinder diameter.
(4) for the present invention to avoid spring-compressed from interfering in the process with support rod, cancellation support rod increases spring retainer,
Improve the reliability of product.
(5) use of grommet nut of the present invention avoids letting out in product generation, and reduces the assembly of conical surface plug screw, reduces
Product cost.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is steering nut component diagram of the invention；
Fig. 3 is stroke adjustment component diagram of the invention.
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
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1-3, the present invention provides a kind of technical solution: a kind of novel steering device stroke unloading mechanism, including it is upper
Shell 2, steering nut 6 and lower case 9 are equipped with lower case 9 on the right side of upper housing 2, are horizontally arranged with input shaft in the middle part of upper housing 2
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 cylinder 5 are installed on the right side of input shaft 1
Outside is equipped with steering nut 6, and the setting of steering nut 6 is in the lower casing where 9 middle inside of lower case, 6 left side of steering nut
Body 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, and 6 top of steering nut is set
It is equipped 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
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, passes through threaded engagement between 16 inner sidewall of limit hole on stroke valve seat 12 and steering nut 6
Connection, after stroke valve seat 12 is screwed into the limit hole 16 in steering nut 6, stroke valve seat 12 has in a round boss and limit hole 16
Boss contact, forms end face seal, so that the oil liquid of epicoele 7 is not leaked into cavity of resorption 8 along screw thread, set inside stroke regulating lever 13
It is equipped with stroke mandril 15, and is clearance fit, 13 right end aperture of stroke regulating lever between stroke mandril 15 and stroke regulating lever 13
Convex shoulder 11 is provided on corresponding stroke mandril 15,13 aperture of stroke regulating lever is 90 ° of conical surfaces, stroke mandril 15 and stroke adjustment
The convex shoulder 11 of 13 hole mouth contact position of bar is the processing of SR5 spherical surface, when limit spring 10 is compressed, stroke mandril 15 and stroke adjustment
Bar 13 forms ball face sealing by convex shoulder 11, guarantees its leakproofness, limit is arranged between stroke mandril 15 and stroke mandril 15
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 hole
Between convex shoulder 11 on the stroke mandril 15 of 16 left and right sides, spring retainer 14, and spring are provided on the outside of limit spring 10
It is clearance fit between retainer 14 and limit spring 10,14 lateral wall of spring retainer is fixed on the limit on steering nut 6
Inside hole 16,15 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 present invention solves spring-compressed process by setting upper housing 2, steering nut 6 and lower case 9
In interfere with each other, let out in product occurs and problem that product cost is excessively high with support rod.
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.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
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 |
|---|---|---|---|
| CN201811306923.4A CN109340206A (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 |
|---|---|---|---|
| CN201811306923.4A CN109340206A (en) | 2018-11-05 | 2018-11-05 | A kind of novel steering device stroke unloading mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109340206A true CN109340206A (en) | 2019-02-15 |
Family
ID=65313896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811306923.4A Pending CN109340206A (en) | 2018-11-05 | 2018-11-05 | A kind of novel steering device stroke unloading mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340206A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023010966A1 (en) * | 2021-08-02 | 2023-02-09 | 博世汽车转向系统（济南）有限公司 | Nut component for steering rack and steering rack |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533029Y (en) * | 2001-11-23 | 2003-01-29 | 长春华隆汽车科技发展有限公司 | Automatic stroke-regulating relief valve for automotive power steering gear |
| KR20060000081A (en) * | 2004-06-28 | 2006-01-06 | 기아자동차주식회사 | Steering gear of power steering system for automobile |
| CN201124862Y (en) * | 2007-09-28 | 2008-10-01 | 东风汽车有限公司 | Power steering gear with automatic stroke unloading valve |
| CN201371859Y (en) * | 2009-03-26 | 2009-12-30 | 刘成国 | Limit-position unloading device for a steering gear |
| CN202827723U (en) * | 2012-09-23 | 2013-03-27 | 沙市久隆汽车动力转向器有限公司 | Unloading valve of power steering gear |
| CN209115431U (en) * | 2018-11-05 | 2019-07-16 | 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 CN201811306923.4A patent/CN109340206A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533029Y (en) * | 2001-11-23 | 2003-01-29 | 长春华隆汽车科技发展有限公司 | Automatic stroke-regulating relief valve for automotive power steering gear |
| KR20060000081A (en) * | 2004-06-28 | 2006-01-06 | 기아자동차주식회사 | Steering gear of power steering system for automobile |
| CN201124862Y (en) * | 2007-09-28 | 2008-10-01 | 东风汽车有限公司 | Power steering gear with automatic stroke unloading valve |
| CN201371859Y (en) * | 2009-03-26 | 2009-12-30 | 刘成国 | Limit-position unloading device for a steering gear |
| CN202827723U (en) * | 2012-09-23 | 2013-03-27 | 沙市久隆汽车动力转向器有限公司 | Unloading valve of power steering gear |
| CN209115431U (en) * | 2018-11-05 | 2019-07-16 | 豫北转向系统（新乡）有限公司 | A kind of novel steering device stroke unloading mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023010966A1 (en) * | 2021-08-02 | 2023-02-09 | 博世汽车转向系统（济南）有限公司 | Nut component for steering rack and steering rack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Applicant after: North Henan Steering System (Xinxiang) Co.,Ltd. Address before: No. 322, Heping Avenue, Xinxiang City, Henan Province, 453000 Applicant before: YUBEI STEERING SYSTEM (XINXIANG) CO.,LTD. |
|
| CB02 | Change of applicant information |