CN201553192U - Automobile steering column device with adjustable inclination angle - Google Patents
Automobile steering column device with adjustable inclination angle Download PDFInfo
- Publication number
- CN201553192U CN201553192U CN2009202037151U CN200920203715U CN201553192U CN 201553192 U CN201553192 U CN 201553192U CN 2009202037151 U CN2009202037151 U CN 2009202037151U CN 200920203715 U CN200920203715 U CN 200920203715U CN 201553192 U CN201553192 U CN 201553192U
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- steering column
- fixed
- car
- tilt angle
- connecting screw
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Abstract
The utility model relates to an automobile steering column device with an adjustable inclination angle, which substantially resolves the problems of relatively large amount of range adjustment and relevant components caused by self structural limitation, high precision requirements, complicated processing technique and high manufacturing cost of conventional devices. The technical scheme includes that a fixing support is welded on an outer wall side of an inner casing pipe of a steering column casing pipe assembly, the fixing support is connected with a fixing frame fixed on an automobile front beam via a connecting screw and a locking nut, a control handle is assembled on the locking nut, a limit plate with an elbow is arranged between the locking nut and the fixing frame, and the limit plate is clamped inside a chute arranged on the side face of the fixing frame. A rotary support is welded on an outer wall of an outer casing pipe of the casing pipe assembly and hinged onto a toe-shaped plate of a fixing bottom plate assembly via a connecting shaft. The device has small amount of components, simple manufacturing process of relevant parts and assembly process, and convenient, labor-saving and fast adjustment, greatly increases adaptability and comfortableness of drivers, and is widely applicable.
Description
Technical field
The utility model relates to the angular adjustment apparatus that a kind of vehicle steering is used, particularly a kind of adjustable tilt angle device for steering column of car that can the steering shaft of the steering column of fixed-direction dish not had gear angular adjustment and reliable locking positioning.It both had been applicable to various car and passenger vehicle, also be applicable to heavily, in, light-duty truck, also can be used for all kinds self-propelled vehicle that other has bearing circle.Can satisfy of the requirement of the chaufeur of different figure and features features to driver comfort.
Background technology
At present, most of automobiles can not carry out angular adjustment with the steering column that has the power actuated vehicle of bearing circle, because the chaufeur of different heights is to the requirement for height difference of bearing circle, so the navigating mate of different heights is difficult to adapt to the height of fixing inconvenience, feel very uncomfortable during driving, especially long-distance driving is easy to cause the navigating mate fatigue driving, can produce hidden peril of accident.For overcoming the defective that above-mentioned vehicle steering exists, common method of adjustment is that the steering shaft with steering column carries out suitable angular adjustment, to adapt to the needs of navigating mate.For solving the problems of the technologies described above, the most of pitch wheel formula structure that adopts of existing adjustable steering column, the applicant also once research and design the patent of invention " adjustable tilt angle device for steering column of car " of notification number " CN101092148 ", its technical characterstic is: the swinging mounting body is for adopting the member of die cast metal moulding, the axle bed of swinging mounting body and support bracket fastened axle bed are hinged by adapter shaft, location locking mechanism adopts intermeshing ratchet and cam detents positioning and locking, the upper end of cam detents is hinged on the journal stirrup of swinging mounting body by straight pin, the lower end of cam detents is pressed on the ratchet by locking plate, locking plate two ends engaging lug with the interlock of the push rod of handle trim mechanisms, be hinged between swinging mounting body and the fixed support by adapter shaft, locking plate moves back and forth around the cam contact surface of adapter shaft along cam detents, drives the cam detents disengaging or compresses ratchet.Yet this ratchet structure and gear type structure all are subjected to the gear restriction to the location of adjustable inclination angle, can not satisfy the needs of chaufeur fully.And the required member of mechanism is more, accuracy requirement height such as key member such as gear, ratchet, and the processing technology complexity, fitting process is loaded down with trivial details, causes the cost of goods manifactured height, and is difficult to guarantee the accurate reliability of steering column adjusting location.Simultaneously, above-mentioned patent must upwards be lifted bar handle when carrying out the adjustment at steering column inclination angle, and the fan-shaped ratchet on cam detents and the fixed support is broken away from, and just can manually move the bearing circle that is fixed on the steering shaft and carry out angular adjustment this moment.The angle changing device of this manual realization car steering tube column different angles is owing to must two hands move simultaneously and could realize this adjustment, chaufeur only just can be finished This move under dead ship condition, chaufeur can not arbitrarily carry out conversion to the angle of car steering tube column according to its drive state and tired situation when driving, has brought very big inconvenience to practical application.
The utility model content
The purpose of this utility model is for a kind of reasonable in design, safe and reliable adjustable tilt angle device for steering column of car are provided.Fundamentally solved the problem that gear is regulated, associated part is more and accuracy requirement is high, processing technology is complicated, manufacturing cost is high that existing apparatus is brought by the self structure restriction, compare with existing apparatus, the member that the utility model adopts is few, associated part manufacturing process and fitting process are simple, easy to adjust, laborsaving, quick, improved the requirement of navigating mate greatly to comformability and traveling comfort, applied widely.
The technical solution of the utility model is: this adjustable tilt angle device for steering column of car comprises steering column, be assembled in combined switch adapter plate and adjustment detent mechanism that the steering column sleeve pipe is formed, the fixed underpan that is fixed on the automobile cab chassis is formed, its technical essential is: the inner sleeve outer wall side welding fixed bearing that described steering column sleeve pipe is formed, described fixed bearing utilizes connecting screw rod and jam nut and the fixed mount that is fixed on the car front beam links together, on the described jam nut assembling bar handle and and described fixed mount between be provided with the positioning plate of elbow, described positioning plate is installed in the chute of described fixed mount side setting, the outer tube outer wall welding rotating stand that described sleeve pipe is formed, described rotating stand is hinged on the toe shape dish of described fixed underpan composition by adapter shaft.
Described outer tube lower end utilizes nonrigid connector to be connected with described fixed underpan.
The described adapter shaft that described rotating stand and described toe shape dish is hinged adopts two rotating pins to rivet respectively.
Described connecting screw rod splined end assembling has the plastics positioning plate of splined hole, and described plastics positioning plate is installed in the chute of described fixed mount opposite side.
Described connecting screw rod and jam nut are respectively double-spiral structure.
Positive technique effect and advantage that the utility model produced are: because the rotating stand on the outer tube of the present utility model is hinged on the toe shape dish of fixed underpan composition by adapter shaft, the fixed underpan composition is fixed on the automobile cab chassis and maintains static, and forms the incident angle of adjusting tubing string so rotating stand can drive sleeve pipe.Simultaneously, the fixed bearing of inner sleeve outer wall utilizes connecting screw rod and jam nut and the fixed mount that is fixed on the car front beam links together, when adjusting the incident angle of tubing string, fixed bearing drives the sleeve pipe composition and slides in the chute of fixed mount, after adjusted at the inclination angle, rotating group was contained in the bar handle of jam nut and the tubing string position can be locked.The member that the utility model adopts is few, and associated part manufacturing process and fitting process are simple, its reasonable in design, safe and reliable.Connecting screw rod and jam nut all adopt double-spiral structure, so pull very little stroke, just can realize loosening or locking.The rotating fulcrum adapter shaft that to be the rotating stand that is fixed on tubing string bottom form with fixed underpan so its arm of force is long, under the very little situation of inclination angle adjustment force, rotates tubing string ± 15 a ° light realization 30mm and do not have the gear bands conversion, and is easy to adjust, laborsaving, quick.Fundamentally solved the problem that gear that existing apparatus brings by the self structure restriction is regulated, the problem that associated part is more and accuracy requirement is high, processing technology is complicated, manufacturing cost is high, improved the requirement of navigating mate greatly to comformability and traveling comfort, applied widely.
Description of drawings
The utility model is described in further detail in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the cutaway view of Fig. 1 along the A-A direction;
Fig. 3 is the cutaway view of Fig. 1 along the B-B direction;
Fig. 4 is the front view of positioning plate in the utility model;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the lateral plan of fixed mount in the utility model;
Fig. 7 is the front view of plastics positioning plate in the utility model;
Fig. 8 is the section-drawing of Fig. 7 along vertical center line.
Sequence number explanation among the figure: 1 steering shaft composition, 2 combined switch adapter plates, 3 inner sleeves, 4 lower bearings, 5 outer tubes, 6 rotating bases, outer tube, 7 change fixed underpan composition, 8 head bearings, 9 elasticity protective covers, 10 rotating pins, 11 handles, 12 connecting screw rods, 13 positioning plates, 14 jam nuts, 15 plastics positioning plates, 16 jump rings, 17 fixed bearings, 18 fixed mounts, 19 chutes.
The specific embodiment,
Be described in detail according to Fig. 1-6 pair the utility model.This device comprises steering column, steering column, is assembled in the combined switch adapter plate on the sleeve pipe composition and adjusts detent mechanism, is fixed on the parts such as fixed underpan composition on the automobile cab chassis, wherein: sleeve pipe consists of inside and outside sleeve pipe and press-fits combination, has energy-absorbing function during collision.Install respectively at the inner sleeve two ends, lower bearing, and lower bearing is a rubber shaft bearing, is used to eliminate the endplay between steering shaft and bearing.Combined switch adapter plate 2 is welded on the upper end of inner sleeve 3.Inner sleeve outer wall side welding fixed bearing 17, fixed bearing 17 utilize connecting screw rod 12 and jam nut 14 to link together with the fixed mount 18 that is fixed on the car front beam, and connecting screw rod 12 and jam nut 14 are respectively double-spiral structure.As shown in Figure 6, the fixed mount both sides are provided with chute 19 respectively, and by support bracket fastened chute 19 restriction connecting screw rods 12 movings range, the pivot angle that can limit steering column is ± 15 °, realizes stepless transformation in the bearing circle 30mm scope.On the jam nut 14 assembling bar handle 11 and and fixed mount 18 between be provided with the positioning plate 13 of elbow, positioning plate 13 is installed in the fixed mount side chute 19, elbow on the positioning plate 13 has limited 11 end positions that can pull of bar handle that are riveted on the jam nut, shown in Fig. 4,5, selected handle locking position when lower surface B is assembling, upper surface A limits the position of pulling when handle loosens, and the handle anglec of rotation is controlled in 80 ° of scopes.The assembling of connecting screw rod 12 splined end has the plastics positioning plate 15 of splined hole, plastics positioning plate 15 is installed in the chute 19 of fixed mount 18 opposite sides, restriction connecting screw rod 12 rotates, prevent connecting screw rod 12 loosening withdrawing from, shown in Fig. 7,8, splined hole and connecting screw rod 12 male spliness partly adopted to win and cooperated, and were fixed in the fixed support chute 19 with the boss of size 10, restriction is when pulling handle, and that causes becomes flexible.Jump ring 16 restriction plastics positioning plates 15 withdraw from.The outer tube 5 outer walls welding rotating base 6 that sleeve pipe is formed, rotating base 6 logical adapter shafts are hinged on the toe shape dish of fixed underpan 7 compositions.Adapter shaft herein adopts two rotating pins 10 to rivet respectively and forms, and constitutes the rotating fulcrum of tubing string, the loose or dislocation phenomenon that having eliminated is threaded causes.Outer tube 5 lower ends utilize nonrigid connector 9 to be connected with fixed underpan 7, and when outer tube 5 rotated the activity supporting point rotation with rotating stand, nonrigid connector 9 played the effect that is flexible coupling.Fixed mount 19 is fixed on the car front beam.
This scheme takes to link screw rod, by rotation variable incidence handle, makes mechanism realize clamping or unclamping, and realizes conversion inclination angle function.This scenario-frame is simple, and manufacturing cost is also very low.Control comfort, fitting process is simple, but has good anufacturability.When the requirement of chaufeur according to oneself, bar handle 11 when needing change of direction dish position, when pulling downwards, the U type notch and the fixed bearing 17 of fixed mount 19 are release position, at this moment the pushing direction dish is delivered to tubing string with power by steering shaft, and the connecting screw rod 12 that is connected the catch gear on the tubing string can slide up and down in the bilateral chute 19 of fixed mount 18, realize tubing string inclination angle conversion, upwards pull the positioning and locking that handle 11 can be realized mechanism.Plastics positioning plate 15 is fixed on connecting screw rod 12 on the fixed mount 18, prevents that connecting screw rod 12 from withdrawing from.When U type notch and fixed bearing 17 were release position, its tolerance clearance was 0.5mm.According to designing requirement, when bar handle 11 was pulled release position by locked position, the anglec of rotation was 80 °, and displacement is 0.55mm.The fixed mount 18 and the friction force of fixed bearing 17 are eliminated, thereby realized release function.Realize steering column conversion inclination angle, reach the chaufeur ideal position.
Claims (5)
1. adjustable tilt angle device for steering column of car, comprise steering column, be assembled in combined switch adapter plate and adjustment detent mechanism that the steering column sleeve pipe is formed, the fixed underpan that is fixed on the automobile cab chassis is formed, it is characterized in that: the inner sleeve outer wall side welding fixed bearing that described steering column sleeve pipe is formed, described fixed bearing utilizes connecting screw rod and jam nut and the fixed mount that is fixed on the car front beam links together, on the described jam nut assembling bar handle and and described fixed mount between be provided with the positioning plate of elbow, described positioning plate is installed in the chute of described fixed mount side setting, the outer tube outer wall welding rotating stand that described sleeve pipe is formed, described rotating stand is hinged on the toe shape dish of described fixed underpan composition by adapter shaft.
2. adjustable tilt angle device for steering column of car according to claim 1 is characterized in that: described outer tube lower end utilizes nonrigid connector to be connected with described fixed underpan.
3. adjustable tilt angle device for steering column of car according to claim 1 is characterized in that: the described adapter shaft that described rotating stand and described toe shape dish is hinged adopts two rotating pins to rivet respectively.
4. adjustable tilt angle device for steering column of car according to claim 1 is characterized in that: described connecting screw rod splined end assembling has the plastics positioning plate of splined hole, and described plastics positioning plate is installed in the chute of described fixed mount opposite side.
5. according to claim 1 or 4 described adjustable tilt angle device for steering column of car, it is characterized in that: described connecting screw rod and jam nut are respectively double-spiral structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202037151U CN201553192U (en) | 2009-09-29 | 2009-09-29 | Automobile steering column device with adjustable inclination angle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202037151U CN201553192U (en) | 2009-09-29 | 2009-09-29 | Automobile steering column device with adjustable inclination angle |
Publications (1)
Publication Number | Publication Date |
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CN201553192U true CN201553192U (en) | 2010-08-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009202037151U Expired - Lifetime CN201553192U (en) | 2009-09-29 | 2009-09-29 | Automobile steering column device with adjustable inclination angle |
Country Status (1)
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CN (1) | CN201553192U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104149842A (en) * | 2014-08-27 | 2014-11-19 | 重庆长安汽车股份有限公司 | Steering column bracket structure for increasing inherent frequency of steering system |
CN112429073A (en) * | 2020-11-27 | 2021-03-02 | 东风柳州汽车有限公司 | Steering column assembly |
-
2009
- 2009-09-29 CN CN2009202037151U patent/CN201553192U/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104149842A (en) * | 2014-08-27 | 2014-11-19 | 重庆长安汽车股份有限公司 | Steering column bracket structure for increasing inherent frequency of steering system |
CN104149842B (en) * | 2014-08-27 | 2016-11-16 | 重庆长安汽车股份有限公司 | A kind of steering column carrier structure improving steering natural frequency |
CN112429073A (en) * | 2020-11-27 | 2021-03-02 | 东风柳州汽车有限公司 | Steering column assembly |
CN112429073B (en) * | 2020-11-27 | 2022-06-07 | 东风柳州汽车有限公司 | Steering column assembly |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161031 Address after: 110141 No. 10, Star Road, Shenyang economic and Technological Development Zone, Liaoning Patentee after: Auto Steering System Branch of Northern Heavy Industries Group Co., Ltd. Address before: 110141 No. 10, Star Road, Shenyang economic and Technological Development Zone, Liaoning Patentee before: Shenyang Autocar Switches Factory |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20100818 |