CN109572799B - Angle-adjusting lifting direction column mechanism - Google Patents
Angle-adjusting lifting direction column mechanism Download PDFInfo
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- CN109572799B CN109572799B CN201910039648.2A CN201910039648A CN109572799B CN 109572799 B CN109572799 B CN 109572799B CN 201910039648 A CN201910039648 A CN 201910039648A CN 109572799 B CN109572799 B CN 109572799B
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- steering column
- base
- steering
- plate
- stud
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 9
- 125000006850 spacer group Chemical group 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B62D1/189—Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustment; with tilt and axial adjustment the entire column being tiltable as a unit
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
Abstract
The invention discloses an angle-adjusting lifting direction column mechanism, and belongs to the technical field of electric forklifts. Comprises a steering gear, a steering wheel and a base, wherein a hollow guide column is fixed at the upper part of the base; the left fixing plate and the right fixing plate are hinged to the two sides of the base and fixed to the frame; the steering column is sleeved with a hollow steering column in a sliding manner, and the steering wheel is arranged at the upper end of the steering column; an angle adjusting device is arranged between the left fixed plate and the base; and a height adjusting device is arranged between the steering column and the base. The invention has simple structure and convenient adjustment, and the position of the second handle is convenient to adjust, thereby solving the problem that the angle adjusting device is easy to interfere with the control mechanism of the foot; through the setting of friction plate, increased the area of contact with the steering column, can make the friction plate automatic outside bullet again through the setting of butterfly reed, when reducing the frictional force when adjusting, also guaranteed the frictional strength when fixing a position, high location's stability is good.
Description
Technical Field
The invention relates to an electric forklift, in particular to an angle-adjusting lifting direction column mechanism for an electric forklift.
Background
In order to adapt to the operation of different drivers, most steering wheels of the electric forklift adopt a direction adjusting mechanism so as to improve the driving comfort. The existing direction adjusting mechanism mostly adopts angle adjustment, and a few of the existing direction adjusting mechanisms also have the function of height adjustment. In the conventional angle adjusting mechanism, the angle adjusting mechanism is positioned at the lower side of the steering column, so that the angle adjusting mechanism is easy to interfere with a control mechanism (such as braking and clutch) of a foot, and the adjustment is inconvenient. For the existing height adjusting mechanism, the structure is complex, and the adjusting is difficult and difficult to lock due to the fact that the vertical stress is large.
Disclosure of Invention
In order to solve the technical problems, the invention provides an angle-adjusting lifting direction column mechanism.
The invention is realized by the following technical scheme:
the utility model provides a angle modulation lift steering column mechanism, includes base, steering column assembly and steering wheel installation assembly, its characterized in that: the base is hinged with the left fixed plate, and an angle adjusting mechanism is arranged between the base and the left fixed plate; the steering column assembly is installed on the base, and a height adjusting mechanism is arranged between the base and the steering column assembly.
It is further: the angle adjusting mechanism comprises a stud, a guide groove is formed in the left fixing plate, and the stud penetrates through the guide groove and is installed on the base through threads; the stud is sleeved with a spacer I, and the outer end of the stud is connected with a second handle;
the stud is connected with the second handle through a spline; the stud and the second handle are positioned by a bolt and a spring sleeved on the bolt.
The steering wheel comprises a steering wheel mounting assembly steering gear and a steering wheel connected with the steering gear; the steering column assembly comprises a hollow guide column fixed at the upper part of the base, and the hollow steering column is sleeved on the guide column in a sliding manner; the steering wheel is mounted at the upper end of the steering column.
The height adjusting mechanism comprises a mounting plate with a guide groove, and the mounting plate is fixed on the base; a pull rod penetrates through the guide groove; the nut is arranged at the left end of the pull rod; the right end of the pull rod is sleeved with a spacer II, and a friction plate sleeved on the pull rod is arranged between the mounting plate and the spacer II; a butterfly reed sleeved on the pull rod is arranged between the nut and the mounting plate or between the mounting plate and the friction plate; a handle is hinged to the right end of the pull rod through a pin shaft;
the friction plate and the steering column are provided with friction surfaces matched with each other, and a baffle table for limiting the upper and lower positions of the friction plate is fixed on the upper side and the lower side of the friction surface of the steering column.
The steering column is provided with an inner guide key for preventing the steering column from rotating, and the steering wheel is arranged at the upper end of the steering column; the steering column is provided with a light switch assembly; an upper shell is covered outside the steering column, and a lower shell is covered outside the base.
The base is a square hollow frame, and the steering gear is fixed in the base; the right fixing plate and the left fixing plate are oppositely arranged, and two sides of the base are respectively hinged with the left fixing plate and the right fixing plate through a rotating shaft.
Compared with the prior art, the invention has the beneficial effects that:
1, when the inclination angle of the steering wheel needs to be adjusted; loosening the stud by the second handle, and rotating the base up and down to finish the adjustment of the inclination angle of the steering wheel after the stud is loosened; after the adjustment is finished, the second handle is used for screwing the stud again, the stud presses the spacer I to the left fixed plate only, and the positioning of the inclination angle of the steering wheel is finished;
2, in the process of angle modulation or after angle modulation, the zero position of the second handle can be adjusted at will; the method specifically comprises the following steps: the second handle is pulled outwards against the pressure of the spring, so that the internal spline of the second handle is separated from the external spline of the stud, and at the moment, the second handle can be rotated to adjust the rotation angle of the second handle; after adjustment, the second handle is released, and under the pressure action of the spring, the internal spline of the second handle is meshed with the external spline of the stud again;
3, when the steering wheel height needs to be adjusted; the eccentric wheel handle is moved outwards, and the friction plate is loosened from the steering column under the elasticity of the butterfly reed, so that the height of the steering column, namely the height of the steering wheel, can be adjusted up and down; after the adjustment is finished, the eccentric wheel handle is rotated inwards again, the eccentric wheel handle presses the friction plate inwards, the arc friction section on the friction plate is tightly attached to the friction surface on the steering column, and the positioning of the height of the steering column is finished;
the invention has simple structure and convenient adjustment, and the position of the second handle is convenient to adjust, thereby solving the problem that the angle adjusting device is easy to interfere with the control mechanism of the foot; through the setting of friction plate, increased the area of contact with the steering column, can make the friction plate automatic outside bullet again through the setting of butterfly reed, when reducing the frictional force when adjusting, also guaranteed the frictional strength when fixing a position, high location's stability is good.
Drawings
FIG. 1 is a front elevational view of the structure of the present invention;
fig. 2 is a front view of the present invention with the upper and lower cases omitted;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a left side view of FIG. 2;
FIG. 5 is a schematic view of the base of FIG. 4 in another rotated position;
FIG. 6 is a view in the direction B-B of FIG. 2;
FIG. 7 is a schematic view of the height adjustment mechanism released after the eccentric handle of FIG. 6 has been rotated outwardly;
FIG. 8 is a view in the direction A-A of FIG. 2;
FIG. 9 is a view in the direction C-C of FIG. 4;
FIG. 10 is a schematic view of the structure of the base;
FIG. 11 is a perspective assembly view of the present invention as applied to a forklift;
fig. 12 is a front view of fig. 11.
In the figure: 1. a steering wheel; 2. a light switch assembly; 3. a steering column; 4. a handle; 5. a mounting plate; 5-1, upper and lower guide grooves; 6. a base; 7. a right fixing plate; 8. a rotation shaft; 9. a second handle; 10. a spacer bush I; 11. a stud; 12. a nut; 13. a friction plate; 13-1, an arc friction section; 14. a spacer II; 15 pin shafts; 16. a pull rod; 17. butterfly reed; 18. a left fixing plate; 18-1, an arc-shaped guide groove; 19. an inner hexagon bolt; 20. a spring; 21. a diverter; 22. a guide post; 23. an external spline; 24. an internal spline.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 4 and 10, a steering mechanism for adjusting angle, lifting and lowering direction, a base 6 is a square hollow frame, and a steering gear 21 is fixed in the base 6; two sides of the base 6 are hinged with the left fixing plate 18 and the right fixing plate 7 through a rotating shaft 8 respectively. A hollow guide column 22 is fixed at the upper part of the base 6, and a hollow steering column 3 is sleeved on the guide column 22 in a sliding way; an inner guide key for preventing rotation of the steering column 3 is provided between the steering column 22 and the steering column 3. The steering wheel 1 is rotatably arranged at the upper end of the steering column 3, and the steering wheel 1 is connected with the steering device 21 through the holes in the steering column 3 and the guiding column 22. The steering column 3 is provided with a light switch assembly 2. The steering column 3 is covered with an upper housing on the outside and a lower housing on the outside of the base 6.
Referring again to fig. 8 and 9, the angle adjusting device:
the inner end of the stud 11 is arranged on one side of the base 6 through threaded connection, an arc-shaped guide groove 18-1 is formed in the left fixing plate 18, and the stud 11 penetrates through the arc-shaped guide groove 18-1. When the base 6 rotates around the rotation shaft 8, the stud 11 slides along the arc-shaped guide groove 18-1. The outer end of the stud 11 is provided with a step, a spacer I10 is sleeved on the stud 11, and the spacer I10 is propped between the outer side of the left fixing plate 18 and the step of the stud 11. The outer end circumference of the stud 11 is provided with an external spline 23, the mounting through hole at the end part of the second handle 9 is sleeved at the outer end of the stud 11, and the inner side of the mounting through hole of the second handle 9 is provided with an internal spline 24 matched with the external spline 23.
The outer end face of the stud 11 is provided with a threaded blind hole, the inner hexagon bolt 19 is positioned in the installation through hole of the second handle 9, and the inner end of the inner hexagon bolt 19 is installed in the threaded blind hole of the outer end face of the stud 11 through threaded connection. The socket head cap bolt 19 is sleeved with a spring 20, and the spring 20 abuts against a gap between a nut of the socket head cap bolt 19 and a step in the mounting through hole of the second handle 9.
Referring again to fig. 6, the height adjustment means:
the mounting plate 5 is fixed on the base 6, and the mounting plate 5 is provided with an upper guide groove 5-1 and a lower guide groove which are parallel to the steering column 3. The left end of the pull rod 16 is provided with a threaded column, the threaded column sequentially penetrates through the friction plate 13, the upper guide groove 5-1 and the lower guide groove 5-1, and the left end of the pull rod 16 is provided with a nut 12. The spacer II 14 is sleeved on the right section of the pull rod 16, and the right end of the pull rod 16 is hinged with an eccentric wheel type handle 4 for extruding the spacer II 14 through a pin shaft 15. 2 butterfly reeds 17 sleeved on the pull rod 16 are arranged between the nut 12 and the upper and lower stroke mounting plates 5; between the upper and lower stroke mounting plate 5 and the friction plate 13, there are 1 butterfly reed 17 sleeved on the pull rod 16. The inner end of the friction plate 13 is provided with an arc friction section 13-1 attached to the surface of the steering column 3; the steering column 3 is provided with a friction surface matched and attached with the arc friction section 13-1 of the friction plate 13, and a baffle table for limiting the up-down position of the friction plate 13 is fixed on the upper side and the lower side of the friction surface of the steering column 3.
The working process comprises the following steps:
as shown in fig. 11 and 12, the present invention is installed at a front side position of the driver's seat;
as shown in fig. 4 and 5, when the inclination angle of the steering wheel needs to be adjusted;
loosening the stud by the second handle, and rotating the base up and down to finish the adjustment of the inclination angle of the steering wheel after the stud is loosened; after the adjustment is finished, the second handle is used for screwing the stud again, the stud presses the spacer I to the left fixed plate only, and the positioning of the inclination angle of the steering wheel is finished;
as shown in fig. 4 and 5, when the steering wheel height needs to be adjusted;
moving the eccentric wheel handle outwards, wherein the distance difference between the eccentric wheel handle and the spacer bush II is A; under the elasticity of the butterfly reed, the friction plate is loosened from the steering column, so that the height of the steering column, namely the height of the steering wheel, can be adjusted up and down; after the adjustment is completed, the eccentric wheel handle rotates inwards again, the eccentric wheel handle extrudes the spacer bush II inwards, the spacer bush II extrudes the friction plate, the arc friction section on the friction plate is tightly attached to the friction surface on the steering column, and the positioning of the height of the steering column is completed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a angle modulation lift steering column mechanism, includes base (6), steering column assembly and steering wheel installation assembly, its characterized in that: the base (6) is hinged with the left fixed plate (18), and an angle adjusting mechanism is arranged between the base (6) and the left fixed plate (18); the steering column assembly is arranged on the base (6), and a height adjusting mechanism is arranged between the base (6) and the steering column assembly;
the angle adjusting mechanism comprises a stud (11), a guide groove (18-1) is formed in the left fixing plate (18), and the stud (11) penetrates through the guide groove (18-1) and is installed on the base (6) through threads; a spacer bush I (10) is sleeved on the stud (11), and the outer end of the stud (11) is connected with a second handle (9);
the stud (11) is connected with the second handle (9) through a spline; the stud (11) and the second handle (9) are positioned through a bolt (19) and a spring sleeved on the bolt (19);
the height adjusting mechanism comprises a mounting plate (5) which is fixed on a base (6) and provided with a guide groove (5-1); a pull rod (16) penetrates through the guide groove (5-1); the nut (12) is arranged at the left end of the pull rod (16); the right end of the pull rod (16) is sleeved with a spacer II (14), and a friction plate (13) sleeved on the pull rod (16) is arranged between the mounting plate (5) and the spacer II (14); a butterfly reed (17) sleeved on a pull rod (16) is arranged between the nut (12) and the mounting plate (5) or between the mounting plate (5) and the friction plate (13); the right end of the pull rod (16) is hinged with a handle (4) through a pin shaft (15);
the friction plate (13) and the steering column (3) are provided with friction surfaces matched with each other, and a baffle table for limiting the up-down position of the friction plate (13) is fixed on the upper side and the lower side of the friction surface of the steering column (3).
2. The angle modulation lift steering column mechanism of claim 1, wherein: the steering wheel comprises a steering wheel mounting assembly steering gear (21) and a steering wheel (1) connected with the steering gear (21); the steering column assembly comprises a hollow steering column (22) fixed at the upper part of the base (6), and the steering column (22) is sleeved with a hollow steering column (3) in a sliding way; the steering wheel (1) is arranged at the upper end of the steering column (3).
3. The angle modulation lift steering column mechanism of claim 1, wherein: the steering column (22) is provided with an inner guide key for preventing the steering column (3) from rotating, and the steering wheel (1) is arranged at the upper end of the steering column (3); a light switch assembly (2) is arranged on the steering column (3); an upper shell is covered outside the steering column (3), and a lower shell is covered outside the base (6).
4. The angle-adjusting lifting steering column mechanism of claim 2, wherein: the base (6) is a square hollow frame, and the steering gear (21) is fixed in the base (6); the right fixing plate (7) and the left fixing plate (18) are oppositely arranged, and two sides of the base (6) are hinged with the left fixing plate (18) and the right fixing plate (7) through a rotating shaft (8) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910039648.2A CN109572799B (en) | 2019-01-16 | 2019-01-16 | Angle-adjusting lifting direction column mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910039648.2A CN109572799B (en) | 2019-01-16 | 2019-01-16 | Angle-adjusting lifting direction column mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109572799A CN109572799A (en) | 2019-04-05 |
| CN109572799B true CN109572799B (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910039648.2A Active CN109572799B (en) | 2019-01-16 | 2019-01-16 | Angle-adjusting lifting direction column mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109572799B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158438B (en) * | 2022-06-29 | 2023-10-20 | 重庆长安汽车股份有限公司 | Steering column capable of adjusting angle and automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3107459A1 (en) * | 1981-02-27 | 1982-09-16 | Carl Kaelble, GmbH, 7150 Backnang | Device for adjusting the height and angle of inclination of steering wheels |
| CN2685188Y (en) * | 2004-01-30 | 2005-03-16 | 中国重型汽车集团有限公司 | Steering operating mechanism capable of regulating height and angle |
| CN201169517Y (en) * | 2007-11-07 | 2008-12-24 | 浙江诺力机械股份有限公司 | Conveying machinery steering wheel mechanism |
| CN201895687U (en) * | 2010-12-06 | 2011-07-13 | 上海东裕电动车有限公司 | Steering wheel adjusting device for vehicle and electric vehicle |
| CN202337281U (en) * | 2011-12-01 | 2012-07-18 | 郭纹雷 | Steering column for steering wheels |
| CN209492587U (en) * | 2019-01-16 | 2019-10-15 | 徐州徐工特种工程机械有限公司 | A kind of angle modulation lifting steering column mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITBO20060775A1 (en) * | 2006-11-14 | 2008-05-15 | A M A S P A | STEERING COLUMN |
-
2019
- 2019-01-16 CN CN201910039648.2A patent/CN109572799B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3107459A1 (en) * | 1981-02-27 | 1982-09-16 | Carl Kaelble, GmbH, 7150 Backnang | Device for adjusting the height and angle of inclination of steering wheels |
| CN2685188Y (en) * | 2004-01-30 | 2005-03-16 | 中国重型汽车集团有限公司 | Steering operating mechanism capable of regulating height and angle |
| CN201169517Y (en) * | 2007-11-07 | 2008-12-24 | 浙江诺力机械股份有限公司 | Conveying machinery steering wheel mechanism |
| CN201895687U (en) * | 2010-12-06 | 2011-07-13 | 上海东裕电动车有限公司 | Steering wheel adjusting device for vehicle and electric vehicle |
| CN202337281U (en) * | 2011-12-01 | 2012-07-18 | 郭纹雷 | Steering column for steering wheels |
| CN209492587U (en) * | 2019-01-16 | 2019-10-15 | 徐州徐工特种工程机械有限公司 | A kind of angle modulation lifting steering column mechanism |
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| Publication number | Publication date |
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| CN109572799A (en) | 2019-04-05 |
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