Angle-adjustable automobile steering gear tubular column

Abstract

The utility model discloses an angle-adjustable automobile steering gear pipe column, which comprises a lower pipe column, an angle-adjustable upper pipe column arranged above the lower pipe column, an annular seat, an upper pipe column and a lower pipe column, the number of the annular bases is two, the annular bases are installed at the top and the bottom of the universal joint respectively, and inserting grooves are formed in the sides, away from each other, of the two annular bases. According to the angle-adjustable automobile steering gear pipe column, the lower pipe column body, the upper pipe column body, the cross shaft universal joint, the annular base, the inserting groove, the inserting block, the clamping groove, the clamping block, the through groove, the pull block, the pull rod, the movable block, the positioning block, the positioning groove, the annular limiting block and the fixing bolt are matched with one another, and the angle-adjustable automobile steering gear pipe column is achieved; and moreover, the cross shaft universal joint can be detached for maintenance and overhaul, so that the influence on the angle adjustment of the automobile steering gear tubular column is avoided, and the flexibility in use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile steering column, in particular to an automobile steering column with adjustable angle. Background Art

[0002] The steering column and drive shaft assembly is a connecting component installed between the steering wheel and the steering gear. It primarily controls the vehicle's direction of travel, transmits torque, and absorbs energy during collisions. A steering column typically consists of an upper column and a lower column that are articulated together. The upper end of the upper column is connected to the steering wheel. To enhance driving comfort, the angle between the upper and lower columns of existing steering columns is adjustable. The lower and upper columns are fixedly connected by a universal cross joint, which allows for angle adjustment.

[0003] Application number CN201920708897.1 discloses an angle-adjustable automotive steering column, belonging to the technical field of automotive components. The angle-adjustable automotive steering column consists of an upper column, a lower column, and an angle locking mechanism. The upper end of the lower column is movably connected to the upper column. The lower and upper columns are equipped with an angle locking mechanism consisting of a guide tube, a transmission wire, a locking die, a drive plate, and a positioning die. The lower column is fixedly mounted with a guide tube, a transmission wire is sleeved within the guide tube, and a wire reel is movably mounted on the lower column at one end of the guide tube. An adjustment handle is rotatably mounted on the inner side of the wire reel.

[0004] In the above case, the two ends of the cross-axis universal joint are fixedly connected to the two columns respectively, which makes it inconvenient to remove the cross-axis universal joint for replacement or repair if it is damaged later, which seriously affects the adjustment of the steering column angle of the car and reduces its flexibility during use. Utility Model Content

[0005] The purpose of the utility model is to provide an automobile steering column with adjustable angle to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an angle-adjustable automobile steering column, comprising a lower column and an upper column with an adjustable angle arranged above the lower column, and a pluggable cross-axis universal joint is arranged between the lower column and the upper column.

[0007] Preferably, it also includes an annular seat, wherein the number of the annular seats is two and they are respectively installed at the top and bottom of the cross-axis universal joint, and slots are provided on the sides of the two annular seats away from each other, and the top of the lower tube column and the bottom of the upper tube column are both installed with plugs that are compatible with the slots.

[0008] Preferably, the top of the plug passes through the slot and extends to the inside thereof to contact the inner wall of the slot. Two slots are provided on the side of the plug close to the annular seat. A card block is installed on the inner wall of the slot at the position corresponding to the slot. The side of the card block close to the slot passes through the slot and extends to the inside thereof to contact the inner wall of the slot.

[0009] Preferably, through slots connected to the card slots are provided on both the left and right sides of the insert block, and pull blocks are provided on both the left and right sides of the insert block. A pull rod is installed on the side of the pull block close to the through slot, and the end of the pull rod away from the pull block passes through the through slot and the card slot in sequence and extends to the inside of the card slot.

[0010] Preferably, a moving block is installed at one end of the pull rod away from the pull block, a positioning block is installed at the side of the moving block away from the pull rod, and a positioning groove is provided on the side of the clamping block close to the positioning block and corresponding to the position of the positioning block.

[0011] Preferably, movable annular limit blocks are provided on the surface of the lower pipe column and the surface of the upper pipe column, and two fixing bolts threadedly connected to the lower pipe column and the upper pipe column are respectively provided on the left side of the two annular limit blocks.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] The utility model realizes an angle-adjustable automobile steering column through the mutual cooperation of a lower column, an upper column, a cross-axis universal joint, an annular seat, a slot, an insert block, a clamping slot, a clamping block, a through slot, a pull block, a pull rod, a moving block, a positioning block, a positioning slot, an annular limit block and a fixing bolt, and enables the cross-axis universal joint to be disassembled for maintenance and overhaul, thereby avoiding affecting the adjustment of the automobile steering column angle and improving flexibility during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the lower pipe string, pull block and annular limit block of the utility model;

[0016] Figure 3 It is a structural cross-sectional view of the front view of the utility model;

[0017] Figure 4 This is a structural cross-sectional view of the lower pipe column, positioning block, positioning groove, slider and reinforcement block of the utility model;

[0018] Figure 5 It is a schematic diagram of the three-dimensional structure of the annular seat and the slot of the utility model.

[0019] In the figure: 1 lower pipe column, 2 upper pipe column, 3 cross-axis universal joint, 4 annular seat, 5 slot, 6 insert block, 7 card slot, 8 card block, 9 through slot, 10 pull block, 11 pull rod, 12 moving block, 13 positioning block, 14 positioning slot, 15 annular limit block, 16 fixing bolt, 17 slide groove, 18 slide rod, 19 slider, 20 reinforcement block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-5 An angle-adjustable automobile steering column comprises a lower column 1 and an upper column 2 which is arranged above the lower column 1 and can adjust the angle of the column. A pluggable cross-axis universal joint 3 is arranged between the lower column 1 and the upper column 2.

[0022] The top of the lower pipe column 1 and the bottom of the upper pipe column 2 are fixedly connected with an insert block 6 adapted to the slot 5. The top of the insert block 6 passes through the slot 5 and extends to the inside thereof and contacts the inner wall of the slot 5. Two card slots 7 are provided on the side of the insert block 6 close to the annular seat 4. A card block 8 is fixedly connected on the inner wall of the slot 5 and corresponding to the position of the card slot 7. The side of the card block 8 close to the card slot 7 passes through the card slot 7 and extends to the inside thereof and contacts the inner wall of the card slot 7. A through groove 9 connected to the card slot 7 is provided on the left and right sides of the insert block 6. A pull block 10 is provided on the left and right sides of the insert block 6. 0 The side close to the insertion block 6 is in contact with the insertion block 6, and the side of the pull block 10 close to the through slot 9 is fixedly connected to the pull rod 11. The end of the pull rod 11 away from the pull block 10 passes through the through slot 9 and the card slot 7 in sequence and extends to the inside of the card slot 7. The end of the pull rod 11 away from the pull block 10 is fixedly connected to a moving block 12, and the side of the moving block 12 close to the inner wall of the card slot 7 is in contact with the inner wall of the card slot 7, and the side of the moving block 12 close to the card block 8 is in contact with the card block 8. The side of the moving block 12 away from the pull rod 11 is fixedly connected to a positioning block 13, and a positioning groove 14 is provided on the side of the card block 8 close to the positioning block 13 and corresponding to the position of the positioning block 13. The side of the positioning block 13 close to the positioning groove 14 passes through the positioning groove 14 and extends to its interior and contacts the inner wall of the positioning groove 14.

[0023] Furthermore, a reinforcement block 20 is fixedly connected to the inner wall of the through groove 9 and on the surface of the pull rod 11. The inner wall of the reinforcement block 20 is in sliding contact with the surface of the pull rod 11. By providing the reinforcement block 20, the stability of the pull rod 11 during movement is improved, and the stability of the pull block 10 during movement is further improved.

[0024] The surface of the lower pipe column 1 and the surface of the upper pipe column 2 are both provided with movable annular limit blocks 15. The inner wall of the bottom annular limit block 15 is in contact with the surface of the lower pipe column 1, and the inner wall of the top annular limit block 15 is in contact with the surface of the upper pipe column 2. Two fixing bolts 16 threadedly connected to the lower pipe column 1 and the upper pipe column 2 are respectively provided on the left side of the two annular limit blocks 15.

[0025] Furthermore, sliding grooves 17 are provided on the left and right sides of the lower pipe column 1 and the left and right sides of the upper pipe column 2. The top and bottom of the inner wall of the sliding groove 17 are fixedly connected by a sliding rod 18. The surface of the sliding rod 18 is slidably connected with a slider 19. The side of the slider 19 close to the annular limit block 15 is fixedly connected to the inner wall of the annular limit block 15. By setting the sliding groove 17, the sliding rod 18 and the slider 19, the stability of the annular limit block 15 during movement is improved.

[0026] Specifically, when it is necessary to disassemble the cross-axis universal joint 3, first loosen the fixing bolt 16, and then pull the annular limit block 15, the annular limit block 15 moves away from the annular seat 4, so that the annular limit block 15 and the pulling block 10 are separated, and then pull the pulling block 10, the pulling block 10 drives the moving block 12 to move away from the positioning groove 14 through the pull rod 11, and the moving block 12 drives the positioning block 13 to move away from the positioning groove 14, so that the positioning block 13 and the positioning groove 14 are separated, and the lower pipe column 1 can be pulled downward, and the lower pipe column 1 drives the plug block 6 to move downward, so that the slot 7 at the bottom and the block 8 at the bottom are separated, and at the same time, the plug block 6 at the bottom and the slot 5 at the bottom are separated, and then the cross-axis universal joint 3 is pulled downward again, and the cross-axis universal joint 3 drives the block 8 at the top to move downward, so that the annular seat 4 at the top and the plug block 6 at the top are separated, and the cross-axis universal joint 3 can be disassembled.

[0027] By the mutual cooperation of the lower column 1, the upper column 2, the cross-axis universal joint 3, the annular seat 4, the slot 5, the insert block 6, the clamping slot 7, the clamping block 8, the through slot 9, the pull block 10, the pull rod 11, the moving block 12, the positioning block 13, the positioning slot 14, the annular limit block 15 and the fixing bolt 16, an angle-adjustable automobile steering column is realized, and the cross-axis universal joint 3 can be disassembled for maintenance and repair, thereby avoiding affecting the adjustment of the automobile steering column angle and improving flexibility during use.

[0028] When in use, the upper end of the upper column 2 is connected to the automobile steering wheel connecting rod, and the angle of the two columns when in use can be adjusted through the cross-axis universal joint 3.

[0029] In summary, the angle-adjustable automobile steering column solves the problems raised in the above-mentioned background technology through the mutual cooperation of the lower column 1, the upper column 2, the cross-axis universal joint 3, the annular seat 4, the slot 5, the insert block 6, the clamping slot 7, the clamping block 8, the through slot 9, the pull block 10, the pull rod 11, the moving block 12, the positioning block 13, the positioning groove 14, the annular limit block 15 and the fixing bolt 16.

[0030] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An angle-adjustable automobile steering column, characterized by: The invention comprises a lower pipe column (1) and an upper pipe column (2) arranged above the lower pipe column (1) and capable of adjusting the angle thereof. A pluggable cross-axis universal joint (3) is arranged between the lower pipe column (1) and the upper pipe column (2).

2. The angle-adjustable automobile steering column according to claim 1, characterized in that: The invention also includes an annular seat (4), wherein the number of the annular seats (4) is two and they are respectively installed at the top and the bottom of the cross-axis universal joint (3), and a slot (5) is provided on the side of the two annular seats (4) away from each other, and an insert (6) adapted to the slot (5) is installed on the top of the lower pipe column (1) and the bottom of the upper pipe column (2).

3. The angle-adjustable automobile steering column according to claim 2, characterized in that: The top of the insert block (6) passes through the slot (5) and extends to the inside thereof to contact the inner wall of the slot (5); two card slots (7) are provided on the side of the insert block (6) close to the annular seat (4); a card block (8) is installed on the inner wall of the slot (5) at positions corresponding to the card slots (7); the side of the card block (8) close to the card slot (7) passes through the card slot (7) and extends to the inside thereof to contact the inner wall of the card slot (7).

4. The angle-adjustable automobile steering column according to claim 3, characterized in that: The left and right sides of the insert block (6) are both provided with through slots (9) that are interconnected with the card slot (7), and the left and right sides of the insert block (6) are both provided with pull blocks (10), and a pull rod (11) is installed on the side of the pull block (10) close to the through slot (9), and the end of the pull rod (11) away from the pull block (10) passes through the through slot (9) and the card slot (7) in sequence and extends to the interior of the card slot (7).

5. The angle-adjustable automobile steering column according to claim 4, characterized in that: A moving block (12) is installed at one end of the pull rod (11) away from the pull block (10), a positioning block (13) is installed at one side of the moving block (12) away from the pull rod (11), and a positioning groove (14) is provided on one side of the clamping block (8) close to the positioning block (13) and corresponding to the position of the positioning block (13).

6. The angle-adjustable automobile steering column according to claim 5, characterized in that: The surfaces of the lower pipe column (1) and the upper pipe column (2) are both provided with movable annular limit blocks (15), and the left sides of the two annular limit blocks (15) are respectively provided with two fixing bolts (16) threadedly connected to the lower pipe column (1) and the upper pipe column (2).

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