CN110962914A - Double-end pneumatic steering column assembly - Google Patents
Double-end pneumatic steering column assembly Download PDFInfo
- Publication number
- CN110962914A CN110962914A CN201911156091.7A CN201911156091A CN110962914A CN 110962914 A CN110962914 A CN 110962914A CN 201911156091 A CN201911156091 A CN 201911156091A CN 110962914 A CN110962914 A CN 110962914A
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- Prior art keywords
- double
- steering column
- pressing
- plate
- cylinder
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Classifications
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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
- B62D1/181—Steering columns yieldable or adjustable, e.g. tiltable with power actuated adjustment, e.g. with position memory
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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
- B62D1/185—Steering columns yieldable or adjustable, e.g. tiltable adjustable by axial displacement, e.g. telescopically
-
- 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
Abstract
The invention relates to a double-head pneumatic steering column assembly, which comprises a coaming, a protective shell and a fixed bracket, the steering shaft, the steering column pipe, double-end cylinder, the steering shaft is installed in the steering column intraductally, the steering column pipe sets up in the protective case, the protective case is installed in the bounding wall, it is articulated mutually through the long pin between fixed bolster and the protective case, be provided with the extension board backward on the fixed bolster, the angle guide way has been seted up on the extension board, the outer wall of steering column pipe is provided with high guide way, two flexible ends are stretched out respectively outside two lateral walls of fixed bolster about double-end cylinder, two flexible ends are provided with first clamp plate and second clamp plate respectively about double-end cylinder, be provided with first post that compresses tightly on the first clamp plate, the inner of first post that compresses tightly contacts the cooperation with the outer wall of steering column pipe, it compresses tightly the post to be provided with the second on the second clamp plate, the inner that the second compressed tightly the post contacts the cooperation with. The invention has the advantages of high automation degree, convenient operation and reduced operation intensity of a driver.
Description
Technical Field
The invention relates to a double-head pneumatic steering column assembly, and belongs to the technical field of vehicle steering control devices.
Background
The automobile steering column assembly is a connecting part arranged between a steering wheel and a steering gear and is mainly used for controlling the automobile advancing direction, transmitting torque and absorbing energy when an automobile is impacted. At present, a plurality of drivers of the conventional heavy truck alternately complete long-distance driving, and the existing heavy truck puts higher requirements on the comfort level of a driving car for the drivers with different sexes, heights and body types. The driver's position of the steering wheel is a main factor of the driver's comfort in driving the vehicle. The existing steering column assembly realizes four-way adjustment of the steering wheel in the vertical direction and the front-back direction by adjusting a hand wheel (or a handle), and has low automation degree and high operation intensity of a driver.
Disclosure of Invention
The invention aims to overcome the defects and provide the double-end pneumatic steering column assembly which has high automation degree and convenient and fast operation and reduces the operation intensity of a driver.
The purpose of the invention is realized as follows: a double-end pneumatic steering column assembly comprises a surrounding plate, a protective shell, a fixing support, a steering shaft, a steering column tube and a double-end cylinder, wherein the steering shaft is installed in the steering column tube, the steering column tube is arranged in the protective shell, the protective shell is installed in the surrounding plate, the fixing support is hinged to the protective shell through a long column pin, an extending plate is backwards arranged on one side of the fixing support, an angle guide groove is formed in the extending plate, and a height guide groove which is vertically arranged is formed in the outer wall of the steering column tube;
double-end cylinder transversely sets up in the fixed bolster, and double-end cylinder about two flexible ends stretch out two lateral walls of fixed bolster respectively outside, double-end cylinder about two flexible ends be provided with first clamp plate and second clamp plate respectively, the one end of first clamp plate is connected with a flexible end of double-end cylinder, and the other end is provided with the first post that compresses tightly, the first lateral wall that passes first clamp plate, angle guide way, protective case in proper order that compresses tightly the inner of post, and contact the cooperation with the outer wall of steering column pipe, the one end of second clamp plate is connected with another flexible end of double-end cylinder, the other end of second clamp plate is provided with the second and compresses tightly the post, the second compresses tightly the inner lateral wall that passes the protective case of post and stretches into high guide way in, and the second compresses tightly the inner and contact the cooperation with high guide way of post.
Preferably, a second fulcrum bolt is arranged inwards on the second pressure plate, and the inner end of the second fulcrum bolt penetrates through the second pressure plate and is connected with the side wall of the protective shell;
the first pressing plate is internally provided with a first fulcrum bolt, the inner end of the first fulcrum bolt sequentially penetrates through the first pressing plate and the extension plate and is connected with the side wall of the protective shell, and the second fulcrum bolt penetrates through the waist-shaped hole.
Preferably, a waist-shaped hole is formed below the angle guide groove, and the waist-shaped hole is parallel to the angle guide groove.
Preferably, the double-end cylinder comprises a cylinder body, cylinder covers are arranged at the left end and the right end of the cylinder body, an air hole is formed in the middle of the cylinder body in the axial direction, a main air path is formed in the cylinder body in the axial direction and communicated with the main air path, a left air path and a right air path are arranged on the main air path and communicated with an inner cavity of the cylinder body, two piston rods are arranged in the inner cavity of the cylinder body in a bilateral symmetry mode, the outer ends of the two piston rods extend out of the two cylinder covers respectively and penetrate through the side wall of the fixed support, a piston is arranged on the piston rod, a small spring and a large spring are arranged between the two pistons, the small spring is sleeved between the inner sections of the two piston rods, and the large.
Preferably, the piston rods are of hollow structures, the pin shafts penetrate through the two piston rods, the two ends of each pin shaft extend out of the outer ends of the two piston rods respectively and penetrate through the side walls of the fixing support, the outer ends of the two piston rods are connected with the first pressing plate and the second pressing plate respectively, and the two ends of each pin shaft penetrate through the first pressing plate and the second pressing plate respectively and are connected with the protective shell.
Preferably, a friction plate is arranged between the first pressure plate and the extension plate, the friction plate is arranged on the first compression column in a penetrating mode, the inner side face of the friction plate is a first sawtooth face, and the outer side face of the extension plate is provided with a second sawtooth face matched with the inner side face of the friction plate.
Preferably, be provided with the supporting seat on the outer wall of protective case, be provided with the pneumatic valve on the supporting seat, the input of pneumatic valve passes through the trachea and is connected with the car air supply, the output of pneumatic valve passes through the trachea and is connected with double-end cylinder.
Preferably, the first compression column and the second compression column are both provided with return springs.
Preferably, the outer wall of the steering column tube is provided with a convex block, and the convex block is provided with a height guide groove which is vertically arranged.
Compared with the prior art, the invention has the beneficial effects that:
according to the double-head pneumatic steering column assembly, the two telescopic ends of the double-head cylinder are controlled to simultaneously act through the pneumatic valve, the compression column is controlled to compress and release, when the compression column is in a release state, the steering wheel can be adjusted in the up-down and front-back positions, and the double-head pneumatic steering column assembly has the advantages of being high in automation degree, convenient to operate and capable of reducing the operation intensity of a driver.
Drawings
FIG. 1 is a schematic structural view of a double-ended pneumatic steering column assembly according to the present invention.
FIG. 2 is another schematic view of a dual head pneumatic steering column assembly of the present invention.
FIG. 3 is a schematic structural view of a double-ended pneumatic steering column assembly of the present invention with fenders removed.
Fig. 4 is a left side view of fig. 3.
Fig. 5 is a right side view of fig. 3.
FIG. 6 is a schematic structural view of a double-ended pneumatic steering column assembly of the present invention with the shroud and the shroud removed.
Fig. 7 is a schematic structural view of a double-headed cylinder.
Wherein:
Fixed support 3
Double-ended cylinder 7, cylinder body 701, cylinder cover 702, main air passage 703, air hole 704, branch air passage 705, piston rod 706, piston 707, small spring 708, large spring 709, first 0-shaped ring 710, second 0-shaped ring 711 and third 0-shaped ring 712
Supporting seat 9
Waist-shaped hole 16
First presser plate 17
Return spring 24
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the invention relates to a double-ended pneumatic steering column assembly, which comprises a coaming 1, a protective shell 2, a fixed bracket 3, a steering shaft 4, a steering column tube 5 and a double-ended cylinder 7, the steering shaft 4 is arranged in the steering column tube 5 through a bearing, two ends of the steering shaft 4 respectively extend out of two ends of the steering column tube 5, elastic retainer rings are respectively arranged between the two ends of the steering column tube 5 and the steering shaft 4, the steering shaft 4 rotates relative to the steering column tube 5, the lower section of the steering column tube 5 is arranged in a protective shell 2, the protective shell 2 is arranged in a coaming 1 through a plurality of bolts, the coaming 1 is of a structure similar to Contraband, the fixed bracket 3 is positioned at the opening side of the coaming 1, the fixed support 3 is hinged with the protective shell 2 through a long pin 6, and the protective shell 2 can rotate around the long pin 6 relative to the fixed support 3 back and forth;
the upper section of the steering column tube 5 is sleeved with a mounting bracket 10;
the upper section of the protective shell 2 is sleeved with a compression spring 11;
a supporting seat 9 is arranged on the outer wall surface of the protective shell 2, a pneumatic valve 8 is arranged on the supporting seat 9, the input end of the pneumatic valve 8 is connected with an automobile air source through an air pipe, and the output end of the pneumatic valve 8 is connected with a double-head air cylinder 7 through an air pipe;
an extension plate 14 is arranged at one side of the fixed support 3 backwards, an angle guide groove 15 which is obliquely arranged from back to front is formed in the extension plate 14, a waist-shaped hole 16 is arranged below the angle guide groove 15, and the waist-shaped hole 16 is parallel to the angle guide groove 15;
a convex block 12 is arranged on the outer wall of the steering column tube 5, and a height guide groove 13 which is vertically arranged is arranged on the convex block 12;
the double-head cylinder 7 is transversely arranged in the fixed bracket 3, the left and right telescopic ends of the double-head cylinder 7 respectively extend out of the two side walls of the fixed bracket 3, the left and right telescopic ends of the double-head cylinder 7 are respectively provided with a first pressing plate 17 and a second pressing plate 18,
one end of the first pressing plate 17 is connected with one telescopic end of the double-headed cylinder 7, the other end of the first pressing plate 17 is provided with a first pressing column 19, the inner end of the first pressing column 19 sequentially penetrates through the first pressing plate 17, the angle guide groove 15 on the extension plate 14 and the left side wall of the protective shell 2 and is in contact fit with the outer wall surface of the steering column pipe 5, the first pressing column 19 can slide back and forth in the angle guide groove 15, a first fulcrum bolt 21 is inwards arranged on the first pressing plate 17, the inner end of the first fulcrum bolt 21 sequentially penetrates through the first pressing plate 17 and the kidney-shaped hole 16 on the extension plate 14 and is connected with the left side wall of the protective shell 2, and the first fulcrum bolt 21 can slide back and forth in the kidney-shaped hole 16;
a friction plate 20 is arranged between the first pressure plate 17 and the extension plate 14, the friction plate 20 is arranged on the first compression column 19 in a penetrating manner, the inner side surface of the friction plate 20 is a first serrated surface, and the outer side surface of the extension plate 14 is provided with a second serrated surface matched with the inner side surface of the friction plate 20 and used for increasing the friction force between the friction plate 20 and the extension plate 14;
one end of the second pressing plate 18 is connected with the other telescopic end of the double-head cylinder 7, a second pressing column 22 is arranged on the inner side face of the other end of the second pressing plate 18, the inner end of the second pressing column 22 penetrates through the right side wall of the protective shell 2 and extends into the height guide groove 13 on the projection 12, the inner end of the second pressing column 22 is in contact fit with the height guide groove 13, the second pressing column 22 can slide up and down in the height guide groove 13, a second fulcrum bolt 23 is inwards arranged on the second pressing plate 18, and the inner end of the second fulcrum bolt 23 penetrates through the second pressing plate 18 and is connected with the right side wall of the protective shell 2;
and the first pressing column 19 and the second pressing column 22 are both provided with a return spring 24.
The double-headed cylinder 7 comprises a cylinder body 701, cylinder covers 702 are arranged at the left end and the right end of the cylinder body 701, an air hole 704 is arranged at the axial middle part of the cylinder body 701, a main air path 703 is arranged in the cylinder body 701 along the axial direction, the air hole 704 is communicated with the main air path 703, a left branch air path 705 and a right branch air path 705 are arranged on the main air path 703, the branch air paths 705 are communicated with an inner cavity of the cylinder body 701, two piston rods 706 which are symmetrically arranged at the left end and the right end of each piston rod 706 extend out of the two cylinder covers 702 respectively and penetrate through the side wall of the fixed support 3, a piston 707 is arranged on each piston rod 706, a small spring 708 and a large spring 709 are arranged between the two pistons 707, the small spring 708 is sleeved between the inner sections of the two piston rods 706, and;
a first 0-shaped ring 710 is arranged between the cylinder cover 702 and the cylinder body 701;
a second 0-shaped ring 711 is arranged between the piston 707 and the cylinder 701;
a third 0-shaped ring 712 is arranged between the piston rod 706 and the cylinder cover 702;
the piston rods 706 are of hollow structures, the two piston rods 706 are internally provided with a bolt shaft 25 in a penetrating manner, and two ends of the bolt shaft 25 respectively extend out of the outer ends of the two piston rods 706 and penetrate through the side wall of the fixed support 3;
the outer ends of the two piston rods 706 are respectively connected with the first pressure plate 17 and the second pressure plate 18, and the two ends of the bolt shaft 25 respectively penetrate through the first pressure plate 17 and the second pressure plate 18 to be connected with the connecting lug outside the protective shell 2.
The working principle is as follows: in a normal state, namely when the double-head cylinder is not introduced with an air source, the two piston rods are in an extending state, and pressure is applied to one ends of the first pressing plate and the second pressing plate, so that the first pressing column and the second pressing column are in a pressing state, and the steering column pipe is kept in a locking state;
when the position of the steering wheel needs to be adjusted, the pneumatic valve is opened, namely the double-end cylinder is introduced into the air source, the air flow respectively flows into the left branch air passage and the right branch air passage through the air hole by the main air passage, the left piston and the right piston are stressed to move inwards to drive the two piston rods to retract inwards simultaneously, the pressure on one ends of the first pressing plate and the second pressing plate is removed, at the moment, the second pressing plate swings around the second fulcrum bolt, the inner end of the second pressing column is separated from the height guide groove by the aid of the elasticity of the reset spring, namely, the second pressing column is, meanwhile, the first pressing plate swings around the first fulcrum bolt, the inner end of the first pressing column is separated from the outer wall surface of the steering column tube by the aid of the elastic force of the return spring, namely, the first pressing column is in a loosening state, at the moment, the steering column tube can move up and down, the moving height is limited by the height guide groove, meanwhile, the protective shell can rotate back and forth around the long pin relative to the fixed support, and the rotation angle is limited through the angle guide groove;
when the steering wheel is adjusted to a proper position, the pneumatic valve is closed, namely, the air source is closed, the two piston rods stretch out simultaneously by means of the elasticity of the large spring and the small spring, pressure is applied to one ends of the first pressing plate and the second pressing plate, so that the inner end of the first pressing column is in a pressing state in contact fit with the height guide groove, the inner end of the second pressing column is in a pressing state in contact fit with the outer wall surface of the steering column tube, the steering column tube is kept in a locking state, and therefore the position of the steering wheel is adjusted.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a pneumatic steering column assembly of double-end which characterized in that: the steering column tube comprises a coaming (1), a protective shell (2), a fixed support (3), a steering shaft (4), a steering column tube (5) and a double-end cylinder (7), wherein the steering shaft (4) is installed in the steering column tube (5), the steering column tube (5) is arranged in the protective shell (2), the protective shell (2) is installed in the coaming (1), the fixed support (3) is hinged with the protective shell (2) through a long column pin (6), one side of the fixed support (3) is backwards provided with an extension plate (14), an angle guide groove (15) is formed in the extension plate (14), and a vertically-arranged height guide groove (13) is formed in the outer wall of the steering column tube (5);
the double-end cylinder (7) is transversely arranged in the fixed support (3), the left and right telescopic ends of the double-end cylinder (7) respectively extend out of two side walls of the fixed support (3), the left and right telescopic ends of the double-end cylinder (7) are respectively provided with a first pressing plate (17) and a second pressing plate (18), one end of the first pressing plate (17) is connected with one telescopic end of the double-end cylinder (7), the other end of the first pressing plate is provided with a first pressing column (19), the inner end of the first pressing column (19) sequentially penetrates through the side walls of the first pressing plate (17), the angle guide groove (15) and the protective shell (2) and is in contact fit with the outer wall surface of the steering column pipe (5), one end of the second pressing plate (18) is connected with the other telescopic end of the double-end cylinder (7), the other end of the second pressing plate (18) is provided with a second pressing column (22), and the inner end of the second pressing column (22) penetrates through the side wall of the protective shell (2) and extends into the, and the inner end of the second pressing column (22) is in contact fit with the height guide groove (13).
2. The double-ended pneumatic steering column assembly of claim 1, wherein: a second fulcrum bolt (23) is arranged inwards on the second pressure plate (18), and the inner end of the second fulcrum bolt (23) penetrates through the second pressure plate (18) to be connected with the side wall of the protective shell (2);
the first pressing plate (17) is internally provided with a first fulcrum bolt (21), and the inner end of the first fulcrum bolt (21) sequentially penetrates through the first pressing plate (17) and the extension plate (14) and is connected with the side wall of the protective shell (2).
3. The double-ended pneumatic steering column assembly of claim 2, wherein: the angle guide groove is characterized in that a waist-shaped hole (16) is formed in the lower portion of the angle guide groove (15), the waist-shaped hole (16) is parallel to the angle guide groove (15), and the second fulcrum bolt (23) penetrates through the waist-shaped hole (16).
4. The double-ended pneumatic steering column assembly of claim 1, wherein: the double-end air cylinder (7) comprises a cylinder body (701), cylinder covers (702) are arranged at the left end and the right end of the cylinder body (701), an air hole (704) is formed in the middle of the cylinder body (701) in the axial direction, a main air path (703) is formed in the cylinder body (701) in the axial direction, the air hole (704) is communicated with the main air path (703), a left air branch path and a right air branch path (705) are formed in the main air path (703), the air branch paths (705) are communicated with an inner cavity of the cylinder body (701), two piston rods (706) which are symmetrically arranged in the left direction and the right direction are arranged in the inner cavity of the cylinder body (701), the outer ends of the two piston rods (706) extend out of the two cylinder covers (702) respectively and penetrate through the side wall of the fixed support (3), a piston (707) is arranged on the piston rod (706), a small spring (708) and a large spring (709) are arranged between, the large spring (709) is sleeved on the outer ring of the small spring (708).
5. The double-ended pneumatic steering column assembly of claim 4, wherein: the piston rods (706) are of hollow structures, the bolt shafts (25) penetrate through the two piston rods (706), the two ends of each bolt shaft (25) extend out of the outer ends of the two piston rods (706) respectively and penetrate through the side walls of the fixing support (3), the outer ends of the two piston rods (706) are connected with the first pressing plate (17) and the second pressing plate (18) respectively, and the two ends of each bolt shaft (25) penetrate through the first pressing plate (17) and the second pressing plate (18) respectively and are connected with the protective shell (2).
6. The double-ended pneumatic steering column assembly of claim 1, wherein: a friction plate (20) is arranged between the first pressure plate (17) and the extension plate (14), the friction plate (20) is arranged on the first pressing column (19) in a penetrating mode, the inner side face of the friction plate (20) is a first sawtooth face, and the outer side face of the extension plate (14) is provided with a second sawtooth face matched with the inner side face of the friction plate (20).
7. The double-ended pneumatic steering column assembly of claim 1, wherein: be provided with supporting seat (9) on the outer wall of protective case (2), be provided with pneumatic valve (8) on supporting seat (9), the input of pneumatic valve (8) passes through the trachea and is connected with the car air supply, the output of pneumatic valve (8) passes through the trachea and is connected with double-end cylinder (7).
8. The double-ended pneumatic steering column assembly of claim 1, wherein: and the first pressing column (19) and the second pressing column (22) are both provided with a return spring (24).
9. The double-ended pneumatic steering column assembly of claim 1, wherein: the steering column tube is characterized in that a convex block (12) is arranged on the outer wall of the steering column tube (5), and a height guide groove (13) which is vertically arranged is arranged on the convex block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911156091.7A CN110962914A (en) | 2019-11-22 | 2019-11-22 | Double-end pneumatic steering column assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911156091.7A CN110962914A (en) | 2019-11-22 | 2019-11-22 | Double-end pneumatic steering column assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110962914A true CN110962914A (en) | 2020-04-07 |
Family
ID=70031333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911156091.7A Pending CN110962914A (en) | 2019-11-22 | 2019-11-22 | Double-end pneumatic steering column assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110962914A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179901A (en) * | 2021-12-31 | 2022-03-15 | 坤泰车辆系统（常州）有限公司 | Steering column capable of realizing large-angle adjustment of steering wheel and adjusting method thereof |
-
2019
- 2019-11-22 CN CN201911156091.7A patent/CN110962914A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179901A (en) * | 2021-12-31 | 2022-03-15 | 坤泰车辆系统（常州）有限公司 | Steering column capable of realizing large-angle adjustment of steering wheel and adjusting method thereof |
| CN114179901B (en) * | 2021-12-31 | 2022-09-09 | 坤泰车辆系统（常州）有限公司 | Steering column capable of realizing large-angle adjustment of steering wheel and adjusting method thereof |
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