CN108791464B - Stepless adjustable steering column - Google Patents
Stepless adjustable steering column Download PDFInfo
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- CN108791464B CN108791464B CN201810874946.9A CN201810874946A CN108791464B CN 108791464 B CN108791464 B CN 108791464B CN 201810874946 A CN201810874946 A CN 201810874946A CN 108791464 B CN108791464 B CN 108791464B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/187—Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustment; with tilt and axial adjustment
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Steering Controls (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a stepless adjustable steering column which comprises a fixed pipe, an output shaft, a rotating pipe, an input shaft, a rotating frame, an adjusting component, a fixed frame, a bolt, a limiting column, a first rotating frame, a cross shaft, a second rotating frame and an adjusting component, wherein the fixed pipe is fixedly connected with the output shaft; the adjusting assembly comprises a U-shaped top frame, a U-shaped bottom frame, a first pin shaft, a cylinder, a rotating block, a screw, a handle, a second pin shaft and a positioning pin; the included angle between the input shaft and the output shaft can be adjusted according to the use requirement, and the real-time positioning can be realized by means of the air cylinder, so that the use is greatly facilitated, and the operation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of mechanical transmission, in particular to a stepless adjustable steering column.
Background
Engineering machinery and agricultural machinery often can use the steering column to adjust the direction of feed of machinery, and the main effect of steering column is the transmission, and the input shaft and the output shaft of current steering column mostly are located same straight line, and this just leads to the fixed position of input shaft unchangeable, can't adjust according to the use needs, and it is very inconvenient to use, awaits further improvement.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the problem of providing a stepless adjustable steering column which can adjust the included angle between an input shaft and an output shaft according to the requirement, can realize real-time positioning by means of a cylinder, is greatly convenient to use and is simple and convenient to operate, and overcomes the defects of fixed position of the input shaft and inconvenient use in the prior art.
Technical scheme
In order to solve the technical problem, the invention provides a stepless adjustable steering column, which comprises a fixed pipe, an output shaft, a rotating pipe, an input shaft, a rotating frame, an adjusting component, a fixed frame, a bolt, a limiting column, a first rotating frame, a cross shaft, a second rotating frame and an adjusting component, and is characterized in that: a fixed frame is fixed at the upper end of the fixed pipe, a rotating frame is fixed at the lower end of the rotating pipe, the fixed frame and the rotating frame are connected in a rotating mode by means of two bolts, and two limiting columns which are symmetrically distributed are arranged on the fixed frame; an output shaft is arranged in the fixed pipe, an input shaft is arranged in the rotating pipe, the upper end of the output shaft penetrates through the fixed frame and is fixed at the lower end of the first rotating frame, the lower end of the input shaft penetrates through the rotating frame and is fixed at the upper end of the second rotating frame, and the first rotating frame and the second rotating frame are connected in a universal rotating mode through a cross shaft; an adjusting component is arranged between the fixed pipe and the rotating pipe.
Preferably, two fixed plates which are symmetrically distributed are formed on the fixed frame, two movable plates which are symmetrically distributed are formed on the rotating frame, two bolts which are symmetrical and transversely distributed are inserted into the two movable plates, the threaded ends of the two bolts are screwed into the threaded holes in the corresponding positions on the two fixed plates respectively, so that the rotating frame is connected onto the fixed frame, and the rotating frame can rotate relative to the fixed frame around the two bolts.
Preferably, the outer side planes of the two fixed plates are respectively fixed with a limiting column which is symmetrical with each other and is distributed transversely; the two fixed plates are respectively positioned on the inner sides of the two movable plates, and the limiting columns are positioned on the lower sides of the bolts.
Preferably, the upper end of first rotating turret is formed with the first commentaries on classics board of two symmetric distributions, the lower extreme of second rotating turret is formed with the second commentaries on classics board of two symmetric distributions, two first commentaries on classics board and two second commentaries on classics board interval distribution each other, arbitrary one first commentaries on classics board and two adjacent second commentaries on classics contained angles between the board are 90 degrees.
Preferably, the four ends of the cross shaft are respectively connected to the two first rotating plates and the two second rotating plates in a rotating connection mode, so that the first rotating frame and the second rotating frame are connected together, and the first rotating frame and the second rotating frame can realize universal rotation.
Preferably, the adjusting assembly comprises a U-shaped top frame, a U-shaped bottom frame, a first pin shaft, a cylinder, a rotating block, a screw, a handle, a second pin shaft and a positioning pin; the U-shaped top frame is sleeved and fixed on the rotating pipe and is positioned above the rotating frame, and the U-shaped bottom frame is sleeved and fixed on the fixed pipe and is positioned below the fixed frame; the bottom end of the air cylinder is connected to the U-shaped bottom frame, a rotating block is fixed to the telescopic end of the air cylinder, and the rotating block is connected to the U-shaped top frame through two screws; the turning block is further connected with a handle through a second pin shaft, and the handle can rotate relative to the turning block around the second pin shaft.
Preferably, two first clamping plates which are symmetrically distributed are formed on the U-shaped top frame, a side plate which is symmetrically distributed with each other is formed downwards at the other end of each of the two first clamping plates, and a screw which is symmetrically distributed with each other and transversely distributed is inserted and connected on each of the two side plates; the two side plates are respectively positioned at two sides of the rotating pipe.
Preferably, two second clamping plates which are symmetrically distributed are formed on the U-shaped underframe; the bottom end of the air cylinder is fixedly inserted with a first pin shaft, two ends of the first pin shaft are inserted into the two second clamping plates in a rotating connection mode, the rotating block is inserted between the two side plates, and the threaded ends of the two screws are screwed into threaded holes in corresponding positions on two sides of the rotating block respectively, so that the rotating block is connected between the two side plates in a rotating connection mode.
Preferably, an L-shaped groove is formed in the middle of the upper portion of the rotating block, positioning pins which are vertically distributed are fixed on the bottom surface of the L-shaped groove, and second pin shafts which are transversely distributed are inserted and connected between the inner walls of the two sides of the L-shaped groove; the handle is provided with a swing arm, the other end of the swing arm is provided with a pressing block, a rectangular notch is formed in the outer side of the lower side of the pressing block, a protruding block is outwards formed at the corner of the inner side of the rectangular notch, and a through hole is formed in one side of the protruding block.
Preferably, the briquetting inserts in L type groove, the second round pin axle alternates through the through-hole, the lug is located between second round pin axle and the locating pin, the laminating of the upside side of rectangle breach is on the upside terminal surface of locating pin.
The beneficial effects are that: the included angle between the input shaft and the output shaft of the invention can be adjusted according to the use requirement, and the invention can realize real-time positioning by means of the cylinder, thereby greatly facilitating the use and having simple and convenient operation.
Drawings
FIG. 1 is a block diagram of a infinitely adjustable steering column of the present invention;
FIG. 2 is a rear side structural view of a continuously variable steering column of the present invention;
fig. 3 is a block diagram of an adjustment assembly of a continuously variable steering column of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, the stepless adjustable steering column of the present invention comprises a fixed tube 1, an output shaft 2, a rotating tube 3, an input shaft 4, a rotating frame 5, an adjusting component, a fixed frame 7, a bolt 8, a limiting column 9, a first rotating frame 16, a cross shaft 17, a second rotating frame 18 and an adjusting component; a fixed frame 7 is fixed at the upper end of the fixed tube 1, a rotating frame 5 is fixed at the lower end of the rotating tube 3, the fixed frame 7 is rotatably connected with the rotating frame 5 by two bolts 8, and two limiting columns 9 which are symmetrically distributed are arranged on the fixed frame 7; an output shaft 2 is arranged inside the fixed pipe 1, an input shaft 4 is arranged inside the rotating pipe 3, the upper end of the output shaft 2 penetrates through the fixed frame 7 and is fixed at the lower end of the first rotating frame 16, the lower end of the input shaft 4 penetrates through the rotating frame 5 and is fixed at the upper end of the second rotating frame 18, and the first rotating frame 16 is connected with the second rotating frame 18 in a universal rotating manner through a cross shaft 17; an adjusting component is arranged between the fixed pipe 1 and the rotating pipe 3.
2. Two fixed plates 71, 3 which are symmetrically distributed are formed on the fixed frame 7, and a limiting column 9 which is symmetrical and transversely distributed is fixed on the outer side plane of each fixed plate 71; 2. two movable plates 51 which are symmetrically distributed are formed on the rotating frame 5, two bolts 8 which are symmetrical and transversely distributed are inserted and connected in the two movable plates 51, and the threaded ends of the two bolts 8 are respectively screwed into the threaded holes at the corresponding positions on the two fixed plates 71, so that the rotating frame 5 is connected to the fixed frame 7, and the rotating frame 5 can rotate relative to the fixed frame 7 around the two bolts 8; 3. the two fixed plates 71 are respectively positioned at the inner sides of the two movable plates 51, and the limit columns 9 are positioned at the lower sides of the bolts 8.
4. Two first rotating plates 161 which are symmetrically distributed are formed at the upper end of the first rotating frame 16, two second rotating plates 181 which are symmetrically distributed are formed at the lower end of the second rotating frame 18, the two first rotating plates 161 and the two second rotating plates 181 are distributed at intervals, and the included angle between any one first rotating plate 161 and two adjacent second rotating plates 181 is 90 degrees; 5. four ends of the cross 17 are respectively connected to the two first rotating plates 161 and the two second rotating plates 181 in a rotating connection manner, so that the first rotating frame 16 and the second rotating frame 18 are connected together, and the first rotating frame 16 and the second rotating frame 18 can realize universal rotation.
The adjusting assembly comprises a U-shaped top frame 6, a U-shaped bottom frame 10, a first pin shaft 11, a cylinder 12, a rotating block 13, a screw 14, a handle 15, a second pin shaft 19 and a positioning pin 20; the U-shaped top frame 6 is fixedly sleeved on the rotating pipe 3 and positioned above the rotating frame 5, and the U-shaped bottom frame 10 is fixedly sleeved on the fixed pipe 1 and positioned below the fixed frame 7; the bottom end of the air cylinder 12 is connected to the U-shaped bottom frame 10, a rotating block 13 is fixed to the telescopic end of the air cylinder 12, and the rotating block 13 is connected to the U-shaped top frame 6 through two screws 14; the rotating block 13 is also connected with a handle 15 through a second pin shaft 19; two first clamping plates 61 which are symmetrically distributed are formed on the U-shaped top frame 6, a side plate 62 which is symmetrically distributed mutually is formed downwards at the other end of each first clamping plate 61, and a screw 14 which is symmetrically distributed mutually and transversely is inserted and connected on each side plate 62; the two side plates 62 are respectively positioned at two sides of the rotating pipe 3; two symmetrically distributed second clamping plates 1001 are formed on the U-shaped underframe 10; a first pin shaft 11 is fixedly inserted into the bottom end of the air cylinder 12, two ends of the first pin shaft 11 are inserted into the two second clamping plates 1001 in a rotating connection mode, the rotating block 13 is inserted between the two side plates 62, and the threaded ends of the two screws 14 are respectively screwed into threaded holes in corresponding positions on two sides of the rotating block 13, so that the rotating block 13 is connected between the two side plates 62 in a rotating connection mode; 6. an L-shaped groove 131 is formed in the middle of the upper portion of the rotating block 13, positioning pins 20 which are vertically distributed are fixed on the bottom face of the L-shaped groove 131, and second pin shafts 19 which are transversely distributed are inserted and connected between the inner walls of the two sides of the L-shaped groove 131; a swing arm 151 is formed on the handle 15, a pressing block 152 is formed at the other end of the swing arm 151, a rectangular notch 153 is formed in the outer side of the lower side of the pressing block 152, a protruding block 154 is formed at the corner of the inner side of the rectangular notch 153 outwards, and a through hole 155 is formed in one side of the protruding block 154; 7. the pressing block 152 is inserted into the L-shaped groove 131, the second pin shaft 19 penetrates through the through hole 155, the protruding block 154 is located between the second pin shaft 19 and the positioning pin 20, the upper side face of the rectangular notch 153 is attached to the upper side end face of the positioning pin 20, and the handle 15 can rotate relative to the rotating block 13 around the second pin shaft 19.
When the universal joint is used, the rotation of the input shaft 4 drives the second rotating frame 18 to rotate, and further drives the first rotating frame 16 to rotate by virtue of the universal connection of the cross shaft 17, so that the output shaft 2 is driven to rotate; when the inclination angle of the input shaft 4 with respect to the vertical direction needs to be increased, the handle 15 can be held by hand and pressed downwards, the lower side of the rectangular notch 153 on the handle 15 presses the L-shaped groove 131 inwards, thereby driving the U-shaped top frame 6 and the rotating pipe 3 to rotate and swing downwards around the two bolts 8, the swing is realized by means of the rotary connection mode between the rotating frame 5 and the fixed frame 7, the input shaft 4 swings and compresses the air cylinder 12 by the swing of the rotating pipe 3, the bottom end of the air cylinder 12 rotates for a certain angle around the first pin shaft 11 towards the rear side of the U-shaped base frame 10, when the input shaft 4 reaches the designated position, the grip 15 is released so that the cylinder 12 fixes the inclination angle of the rotary tube 3, meanwhile, after the input shaft 4 swings, the first rotating frame 16 swings downwards for a certain angle around two ends of the cross shaft 17, so that the stability of the transmission relation is realized by means of a universal connection mode; similarly, when the inclination angle of the input shaft 4 with the vertical direction needs to be reduced, as long as the handle 15 is held by hand and lifted upwards according to the same method, the upper side of the rectangular notch 153 in the handle 15 presses the positioning pin 20 downwards, so that the telescopic end of the cylinder 12 extends outwards, the rotating block 13, the U-shaped top frame 6 and the rotating pipe 3 are jacked upwards to swing upwards, and the adjustment of the inclination angle of the input shaft 4 is adjusted; when the left and right side surfaces of the two movable plates 51 on the rotating frame 5 respectively rotate to any one side of the two limiting columns 9, the movable plates can be tightly propped against the side surfaces of the limiting columns 9, so that the rotating frame 5 is prevented from continuously rotating, and the limiting effect is further achieved.
Engineering machinery and agricultural machinery often use a steering column to adjust the feeding direction of the machinery, the steering column mainly plays a role in transmission, and an input shaft and an output shaft of the existing steering column are mostly positioned on the same straight line, so that the position of the input shaft is fixed, the input shaft cannot be adjusted according to the use requirement, and the use is very inconvenient; the included angle between the input shaft and the output shaft of the invention can be adjusted according to the use requirement, and the real-time positioning can be realized by the cylinder 12, thereby greatly facilitating the use and having simple and convenient operation.
As described above, the above embodiments are not intended to limit the present invention, and modifications and equivalent variations made by those skilled in the art based on the spirit of the present invention are within the technical scope of the present invention.
Claims (5)
1. The utility model provides a stepless adjustable steering column, includes fixed pipe, output shaft, rotating tube, input shaft, rotating turret, adjusting part, mount, bolt, spacing post, first rotating turret, cross axle, second rotating turret and adjusting part, its characterized in that: a fixed frame is fixed at the upper end of the fixed pipe, a rotating frame is fixed at the lower end of the rotating pipe, the fixed frame and the rotating frame are connected in a rotating mode by means of two bolts, and two limiting columns which are symmetrically distributed are arranged on the fixed frame; an output shaft is arranged in the fixed pipe, an input shaft is arranged in the rotating pipe, the upper end of the output shaft penetrates through the fixed frame and is fixed at the lower end of the first rotating frame, the lower end of the input shaft penetrates through the rotating frame and is fixed at the upper end of the second rotating frame, and the first rotating frame and the second rotating frame are connected in a universal rotating mode through a cross shaft; an adjusting component is arranged between the fixed pipe and the rotating pipe;
the adjusting assembly comprises a U-shaped top frame, a U-shaped bottom frame, a first pin shaft, a cylinder, a rotating block, a screw, a handle, a second pin shaft and a positioning pin; the U-shaped top frame is sleeved and fixed on the rotating pipe and positioned above the rotating frame, and the U-shaped bottom frame is sleeved and fixed on the fixed pipe and positioned below the fixed frame; the bottom end of the air cylinder is connected to the U-shaped bottom frame, a rotating block is fixed to the telescopic end of the air cylinder, and the rotating block is connected to the U-shaped top frame through two screws; the rotating block is also connected with a handle through a second pin shaft, and the handle can rotate relative to the rotating block around the second pin shaft;
two first clamping plates which are symmetrically distributed are formed on the U-shaped top frame, a side plate which is symmetrically distributed with each other is formed downwards at the other end of each first clamping plate, and a screw which is symmetrically distributed with each other and transversely is connected with each side plate in an inserting manner; the two side plates are respectively positioned at two sides of the rotating pipe;
two second clamping plates which are symmetrically distributed are formed on the U-shaped underframe; a first pin shaft is fixedly inserted into the bottom end of the air cylinder, two ends of the first pin shaft are inserted into the two second clamping plates in a rotating connection mode, the rotating block is inserted between the two side plates, and the threaded ends of the two screws are respectively screwed into the threaded holes in the corresponding positions on two sides of the rotating block, so that the rotating block is connected between the two side plates in a rotating connection mode;
two fixed plates which are symmetrically distributed are formed on the fixed frame, two movable plates which are symmetrically distributed are formed on the rotating frame, two bolts which are symmetrical and transversely distributed are inserted and connected in the two movable plates, and the threaded ends of the two bolts are respectively screwed into the threaded holes at the corresponding positions on the two fixed plates, so that the rotating frame is connected to the fixed frame, and the rotating frame can rotate relative to the fixed frame around the two bolts;
the outer side planes of the two fixed plates are respectively fixed with a limiting column which is symmetrical with each other and is distributed transversely; the two fixed plates are respectively positioned at the inner sides of the two movable plates, and the limiting column is positioned at the lower side of the bolt.
2. A continuously variable steering column according to claim 1, wherein: the upper end of first rotating frame is formed with the first commentaries on classics board of two symmetric distributions, the lower extreme of second rotating frame is formed with the second commentaries on classics board of two symmetric distributions, two first commentaries on classics board and two second commentaries on classics mutual interval distribution of board, arbitrary one first commentaries on classics board and two adjacent second commentaries on classics contained angle between the board is 90 degrees.
3. A continuously variable steering column according to claim 1, wherein: four ends of the cross shaft are respectively connected to the two first rotating plates and the two second rotating plates in a rotating connection mode, so that the first rotating frame is connected with the second rotating frame, and the first rotating frame and the second rotating frame can realize universal rotation.
4. A continuously variable steering column according to claim 1, wherein: an L-shaped groove is formed in the middle of the upper portion of the rotating block, positioning pins which are vertically distributed are fixed on the bottom surface of the L-shaped groove, and second pin shafts which are transversely distributed are inserted and connected between the inner walls of the two sides of the L-shaped groove; the handle is provided with a swing arm, the other end of the swing arm is provided with a pressing block, a rectangular notch is formed in the outer side of the lower side of the pressing block, a protruding block is outwards formed at the corner of the inner side of the rectangular notch, and a through hole is formed in one side of the protruding block.
5. A continuously variable steering column according to claim 4, wherein: the briquetting inserts in L type groove, the second round pin axle alternates through the through-hole, the lug is located between second round pin axle and the locating pin, the laminating of the upside side of rectangle breach is on the upside terminal surface of locating pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874946.9A CN108791464B (en) | 2018-08-02 | 2018-08-02 | Stepless adjustable steering column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874946.9A CN108791464B (en) | 2018-08-02 | 2018-08-02 | Stepless adjustable steering column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108791464A CN108791464A (en) | 2018-11-13 |
| CN108791464B true CN108791464B (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810874946.9A Active CN108791464B (en) | 2018-08-02 | 2018-08-02 | Stepless adjustable steering column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108791464B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254502A (en) * | 2019-05-29 | 2019-09-20 | 杭州阿博思新能源汽车科技有限公司 | A kind of rotary stopper steering system and automobile |
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|---|---|---|---|---|
| EP1923296A2 (en) * | 2006-11-14 | 2008-05-21 | A.M.A. S.p.A. | Steering column |
| CN203032751U (en) * | 2012-09-24 | 2013-07-03 | 山东临工工程机械有限公司 | Steering column adjustable in direction |
| CN203199009U (en) * | 2013-03-06 | 2013-09-18 | 浙江绍鸿仪表有限公司 | Air spring direction-adjustable device of loader and instrument assembly of air spring direction-adjustable device |
| CN204150098U (en) * | 2014-09-25 | 2015-02-11 | 潍坊万德朗汽车电器制造有限公司 | Multi-faceted adjustment steering wheel |
| CN107244348A (en) * | 2017-05-27 | 2017-10-13 | 山东临工工程机械有限公司 | The steering column mechanism of adjustable-angle |
| CN207311581U (en) * | 2017-07-13 | 2018-05-04 | 安徽合力股份有限公司 | A kind of handling maneuver retaining mechanism with self-return function |
| CN208868126U (en) * | 2018-08-02 | 2019-05-17 | 宁波市海曙恒通车辆部件有限公司 | A kind of stepless adjustable steering column |
-
2018
- 2018-08-02 CN CN201810874946.9A patent/CN108791464B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1923296A2 (en) * | 2006-11-14 | 2008-05-21 | A.M.A. S.p.A. | Steering column |
| CN203032751U (en) * | 2012-09-24 | 2013-07-03 | 山东临工工程机械有限公司 | Steering column adjustable in direction |
| CN203199009U (en) * | 2013-03-06 | 2013-09-18 | 浙江绍鸿仪表有限公司 | Air spring direction-adjustable device of loader and instrument assembly of air spring direction-adjustable device |
| CN204150098U (en) * | 2014-09-25 | 2015-02-11 | 潍坊万德朗汽车电器制造有限公司 | Multi-faceted adjustment steering wheel |
| CN107244348A (en) * | 2017-05-27 | 2017-10-13 | 山东临工工程机械有限公司 | The steering column mechanism of adjustable-angle |
| CN207311581U (en) * | 2017-07-13 | 2018-05-04 | 安徽合力股份有限公司 | A kind of handling maneuver retaining mechanism with self-return function |
| CN208868126U (en) * | 2018-08-02 | 2019-05-17 | 宁波市海曙恒通车辆部件有限公司 | A kind of stepless adjustable steering column |
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| CN108791464A (en) | 2018-11-13 |
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