New energy automobile steering column with adjustable length

Abstract

The utility model relates to the technical field of automobile spare parts, in particular to a new energy automobile steering column with the adjustable length. The device comprises a connecting sleeve, wherein a limiting seat is fixedly mounted on a flange at the bottom end of the connecting sleeve; the first column rod is rotationally installed in the limiting base and the connecting sleeve, a second column rod is coaxially inserted into the first column rod, the first column rod comprises a rotating part, a key shaft part and a universal adapter part, the key shaft part and the universal adapter part are arranged at the two ends of the rotating part respectively, and the rotating part is rotationally connected with the bottom end of the connecting sleeve; the second column rod comprises an inserting part, a key groove matched with the key shaft part in an inserting mode is formed in the inserting part, and a connecting rod is arranged at the top end of the inserting part. The adjusting mechanism is installed at the top end of the connecting sleeve and used for adjusting the second column rod to generate sliding adjusting action along the first column rod. The new energy automobile steering column with the adjustable length has the advantage of being convenient to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, and in particular to a steering column of a new energy vehicle with adjustable length. Background Art

[0002] The automobile steering column (steering wheel steering column) is an important device located on the steering wheel of the automobile. It is used by the driver to control the direction of the car. It is a component connecting the steering wheel and the steering gear, responsible for transmitting torque, so that the steering gear can achieve steering. The specific structure refers to the Chinese patent announcement number "CN202283930U". Among them, when the vehicle is in use, different drivers have different heights, so when driving the vehicle, it is necessary to adjust the seat and steering wheel in the cab to make it conform to the driver's usual driving posture, so it is necessary to adjust the steering wheel; however, the existing automobile steering column, although it can be adjusted, is inconvenient to adjust and lock, especially the traditional adjustment method is mostly manual pulling, and the adjustment accuracy is not high. In addition, the existing steering column cannot monitor whether the steering wheel is returned to the correct position after the driver stops, which is obviously very unfriendly to novice drivers.

[0003] Therefore, it is necessary to provide a new adjustable length new energy vehicle steering column to solve the above technical problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a new energy vehicle steering column with adjustable length which is easy to adjust.

[0005] The utility model provides a new energy vehicle steering column with adjustable length, comprising:

[0006] A connecting sleeve, the bottom flange of which is fixedly mounted on a limited seat;

[0007] It is characterized by further comprising:

[0008] The first column rod is rotatably installed in the limit seat and the connecting sleeve, and the second column rod is coaxially plugged on the first column rod, the first column rod comprises a rotating part and a key shaft part and a universal transfer part respectively arranged at both ends of the rotating part, the rotating part is rotatably connected with the bottom end of the connecting sleeve, and the outer wall of the bottom end of the rotating part is provided with a limit groove rotatably matched with the limit seat, the second column rod comprises a plug-in part, the plug-in part is provided with a key groove plug-matched with the key shaft part, and a connecting rod is provided at the top of the plug-in part;

[0009] The adjusting mechanism is installed at the top end of the connecting sleeve and is used for adjusting the second column to produce a sliding adjusting action along the first column.

[0010] Preferably, the key shaft portion is provided with a rectangular groove, and a rectangular rod is fixedly installed in the key groove on the plug-in portion, and the rectangular rod is slidably matched with the rectangular groove.

[0011] Preferably, the adjustment mechanism also includes a limit end seat fixed at the outer flange at the top of the connecting sleeve, the limit end seats are two and are evenly distributed in sequence along the circumference of the outer flange, the two limit end seats mesh with the same inner gear ring, the outer wall of the inner gear ring forms a worm gear, and a worm is rotatably installed at the top of the connecting sleeve, one end of the worm is fixed with a power source, and the worm is meshed with the worm gear; a limit chuck is arranged on the adjustment mechanism, and a screw rod is symmetrically installed on the limit chuck, the threaded sleeve is threadedly connected to the screw rod, and the outer wall fixing sleeves of the two threaded sleeves are provided with a transmission gear, and the transmission gear is meshed with the inner gear ring; a limit groove two is provided on the outer wall of the top end of the plug-in part, and the limit chuck is rotatably installed at the limit groove two.

[0012] Preferably, the limiting chuck is formed by connecting the semicircular discs of the matching structure into one body through screws and then clamped into the second limiting groove.

[0013] Preferably, the power source is a hand wheel, and the hand wheel is fixedly mounted on one end of the worm.

[0014] Preferably, the outer side wall of the hand wheel is provided with anti-slip grooves.

[0015] Preferably, an adjustment indication arrow is provided on one side of the hand wheel.

[0016] Preferably, it also includes a steering warning component installed on the bottom end of the connecting sleeve, the steering warning component includes a driving gear and a transmission rod, the driving gear is fixedly installed on the bottom end of the rotating part, the transmission rod is rotatably installed on the bottom end of the connecting sleeve, and a driven gear is fixedly installed on the bottom end of the transmission rod, the driven gear is meshed with the driving gear, and a rotary encoder, a single-chip microcomputer and a buzzer that are electrically connected in sequence are fixedly installed on the bottom end of the connecting sleeve, and the detection end of the rotary encoder is coaxially fixedly connected to the transmission rod.

[0017] Compared with the related art, the length-adjustable new energy vehicle steering column provided by the utility model has the following beneficial effects:

[0018] 1. The utility model provides a new energy vehicle steering column with adjustable length. By setting a coaxially plugged column rod 1 and a column rod 2, and using an adjustment mechanism such as a crank slider mechanism or a screw nut mechanism, a controllable adjustment effect can be achieved. If necessary, the adjustment mechanism can even be used to cooperate with a limit chuck, a screw rod, a limit end seat, an inner gear ring, a worm wheel, a worm, a hand wheel, a threaded sleeve and a transmission gear to achieve stepless length adjustment, which is very convenient;

[0019] 2. By setting a steering warning component on the connecting sleeve and utilizing the cooperation of the driving gear, transmission rod, driven gear, rotary encoder, single-chip microcomputer and buzzer, it is convenient to monitor and warn whether the steering wheel returns to the correct position after the car stops. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of a preferred embodiment of a new energy vehicle steering column with adjustable length provided by the utility model;

[0021] Figure 2 A schematic diagram of the axial cross-section structure of a new energy vehicle steering column with adjustable length provided by the utility model;

[0022] Figure 3 A schematic diagram of the structure of a column rod 1 provided by the utility model;

[0023] Figure 4 A schematic diagram of the structure of the column rod 2 provided by the utility model;

[0024] Figure 5 A schematic diagram of the structure of the adjustment mechanism provided by the utility model;

[0025] Figure 6 This is a structural schematic diagram of the steering warning component provided by the utility model.

[0026] Numbers in the figure: 1. connecting sleeve; 11. limiting seat; 2. column rod one; 21. rotating part; 22. key shaft part; 23. universal joint part; 201. limiting slot one; 202. rectangular slot; 3. column rod two; 31. plug-in part; 301. key slot; 32. rectangular rod; 33. connecting rod; 302. limiting slot two; 4. adjusting mechanism; 41. limiting chuck; 42. screw rod; 43. limiting end seat; 44. inner gear ring; 45. worm gear; 46. worm; 47. handwheel; 48. threaded sleeve; 49. transmission gear; 5. steering warning component; 51. driving gear; 52. transmission rod; 53. driven gear; 54. rotary encoder; 55. single-chip microcomputer; 56. buzzer. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0028] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0029] See also Figures 1 to 6The utility model provides a new energy vehicle steering column with adjustable length, and the new energy vehicle steering column with adjustable length includes:

[0030] A connecting sleeve 1, a bottom flange of the connecting sleeve 1 is fixedly mounted with a limited seat 11;

[0031] The column rod 1 2 is rotatably installed in the limiting seat 11 and the connecting sleeve 1, and the column rod 2 3 is coaxially plugged on the column rod 1 2. The column rod 1 2 includes a rotating portion 21 and a key shaft portion 22 and a universal transfer portion 23 respectively arranged at both ends of the rotating portion 21. The rotating portion 21 is rotatably connected to the bottom end of the connecting sleeve 1, and the bottom end outer wall of the rotating portion 21 is provided with a limiting groove 201 that is rotatably matched with the limiting seat 11. The column rod 2 3 includes a plug-in portion 31, and the plug-in portion 31 is provided with a key groove 301 that is plugged and matched with the key shaft portion 22. The top outer wall of the plug-in portion 31 is provided with a limiting groove 2 302, and the top end of the plug-in portion 31 is provided with a connecting rod 33;

[0032] The adjusting mechanism 4 is installed at the top end of the connecting sleeve (1) and is used to adjust the second column (3) to produce a sliding adjustment action along the first column (2).

[0033] The regulating mechanism (4) further comprises a limit end seat (43) fixed at the outer flange of the top of the connecting sleeve (1), the limit end seats (43) being two and being evenly distributed in sequence along the circumference of the outer flange, the two limit end seats (43) being meshed with the same inner gear ring (44), the outer side wall of the inner gear ring (44) forming a worm wheel (45), a worm (46) being rotatably mounted at the top of the connecting sleeve (1), one end of the worm (46) being fixed with a power source, and the worm (46) being meshed with the worm wheel (45) The adjusting mechanism (4) is provided with a limit chuck (41), a screw rod (42) is symmetrically mounted on the limit chuck (41), a threaded sleeve (48) is threadedly connected to the screw rod (42), and a transmission gear (49) is fixedly sleeved on the outer wall of the two threaded sleeves (48), and the transmission gear (49) is meshed with the inner gear ring (44); a limit groove (302) is provided on the outer wall of the top end of the plug-in portion (31), and the limit chuck (41) is rotatably mounted at the limit groove (302).

[0034] The power source is a hand wheel 47 , and the hand wheel 47 is fixedly mounted on one end of the worm 46 .

[0035] The limiting chuck 41 is formed by connecting the half-circular discs of the matching structure into one body through screws and then is clamped in the second limiting groove 302 .

[0036] It should be noted that: when in use, the connecting sleeve 1 is installed in the cab, and then the universal adapter 23 is connected to the universal joint, and the connecting rod 33 is connected to the steering wheel. When the length needs to be adjusted, the worm 46 is driven to rotate by turning the hand wheel 47, and the worm 46 is meshed with the worm wheel 45, thereby driving the inner ring 44 to rotate, and the transmission gear 49 is driven to rotate synchronously during rotation, thereby driving the threaded sleeve 48 to rotate. During rotation, the driving screw 42 drives the limit chuck 41 to move up and down along the connecting sleeve 1, thereby driving the column rod 23 to slide up and down along the connecting sleeve 1, so as to adjust the length. When adjusting the length, the keyway 301 is used to connect with the key shaft part 22, so that after the length is adjusted, the steering transmission can still be realized, and the adjustment is very convenient and reliable.

[0037] In the present embodiment, the outer side wall of the hand wheel 47 is provided with anti-slip grooves, and an adjustment indication arrow is provided on one side of the hand wheel 47, so that it is convenient to hold the hand wheel 47 and adjust the length according to the adjustment indication arrow.

[0038] In the embodiments of the present invention, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The key shaft portion 22 is provided with a rectangular groove 202 , and a rectangular rod 32 is fixedly installed in the key groove 301 on the plug-in portion 31 , and the rectangular rod 32 is slidably matched with the rectangular groove 202 .

[0039] It should be noted that: when the column rod 2 3 and the column rod 1 2 are slidably adjusted, the rectangular rod 32 is further plugged into the rectangular groove 202 to increase the torsional strength of the transmission.

[0040] In the embodiments of the present invention, please refer to Figure 1 , Figure 2 and Figure 6 , and also includes a steering warning component 5 installed at the bottom end of the connecting sleeve 1, the steering warning component 5 includes a driving gear 51 and a transmission rod 52, the driving gear 51 is fixedly installed at the bottom end of the rotating part 21, the transmission rod 52 is rotatably installed at the bottom end of the connecting sleeve 1, and a driven gear 53 is fixedly installed at the bottom end of the transmission rod 52, the driven gear 53 is meshed with the driving gear 51, and a rotary encoder 54, a single-chip computer 55 and a buzzer 56 that are electrically connected in sequence are fixedly installed at the bottom end of the connecting sleeve 1, and the detection end of the rotary encoder 54 is coaxially fixedly connected to the transmission rod 52.

[0041] It should be noted that: when in use, the single-chip microcomputer 55 is connected to the vehicle system and is set so that when the car is turned off, the rotary encoder 54 detects the rotation angle of the rotating part 21, thereby monitoring whether the steering wheel has returned to the center. When it is detected that the steering wheel has not returned to the center, the buzzer 56 is controlled to issue an early warning to remind the driver to return the steering wheel to the center in time.

[0042] The working principle of the adjustable length new energy vehicle steering column provided by the utility model is as follows:

[0043] When in use, the connecting sleeve 1 is installed in the cab, and then the universal adapter 23 is connected to the universal joint, and the connecting rod 33 is connected to the steering wheel. When the length needs to be adjusted, the worm 46 is driven to rotate by turning the hand wheel 47, and the worm 46 is meshed with the worm wheel 45, thereby driving the inner gear ring 44 to rotate, and the transmission gear 49 is driven to rotate synchronously during the rotation, thereby driving the threaded sleeve 48 to rotate. During the rotation, the driving screw 42 drives the limit chuck 41 to move up and down along the connecting sleeve 1, thereby driving the column rod 23 to slide up and down along the connecting sleeve 1, so as to adjust the length. When adjusting the length, the key slot 301 is used to plug with the key shaft part 22, so that after the length is adjusted, the steering transmission can still be realized, and the adjustment is very convenient and reliable.

[0044] Furthermore, the single chip microcomputer 55 is connected to the vehicle computer system and is set so that when the vehicle is turned off, the rotary encoder 54 detects the rotation angle of the rotating part 21, thereby monitoring whether the steering wheel has returned to the center. When it is detected that the steering wheel has not returned to the center, the buzzer 56 is controlled to issue an early warning to remind the driver to return the steering wheel to the center in time.

[0045] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0046] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A new energy vehicle steering column with adjustable length, comprising: A connecting sleeve (1), wherein a bottom flange of the connecting sleeve (1) is fixedly mounted with a limiting seat (11); It is characterized by further comprising: A column rod (2) is rotatably mounted in the limiting seat (11) and the connecting sleeve (1), and a column rod (3) is coaxially plugged into the column rod (2). The column rod (2) comprises a rotating portion (21) and a key shaft portion (22) and a universal joint portion (23) respectively arranged at two ends of the rotating portion (21). The rotating portion (21) is rotatably connected to the bottom end of the connecting sleeve (1), and a limiting groove (201) rotatably matched with the limiting seat (11) is provided on the outer wall of the bottom end of the rotating portion (21). The column rod (3) comprises an inserting portion (31), and the inserting portion (31) is provided with a key groove (301) plugged with the key shaft portion (22), and a connecting rod (33) is provided at the top of the inserting portion (31); The adjusting mechanism (4) is installed at the top end of the connecting sleeve (1) and is used to adjust the second column (3) to produce a sliding adjustment action along the first column (2).

2. The length-adjustable new energy vehicle steering column according to claim 1, characterized in that: The key shaft portion (22) is provided with a rectangular groove (202), and a rectangular rod (32) is fixedly installed in the key groove (301) on the plug-in portion (31), and the rectangular rod (32) is slidably matched with the rectangular groove (202).

3. The length-adjustable new energy vehicle steering column according to claim 1 or 2, characterized in that: The regulating mechanism (4) further comprises a limit end seat (43) fixed at the outer flange of the top of the connecting sleeve (1), the limit end seats (43) being two and being evenly distributed in sequence along the circumference of the outer flange, the two limit end seats (43) being meshed with the same inner gear ring (44), the outer side wall of the inner gear ring (44) forming a worm wheel (45), a worm (46) being rotatably mounted at the top of the connecting sleeve (1), one end of the worm (46) being fixed with a power source, and the worm (46) being meshed with the worm wheel (45) The adjusting mechanism (4) is provided with a limit chuck (41), a screw rod (42) is symmetrically mounted on the limit chuck (41), a threaded sleeve (48) is threadedly connected to the screw rod (42), and a transmission gear (49) is fixedly sleeved on the outer wall of the two threaded sleeves (48), and the transmission gear (49) is meshed with the inner gear ring (44); a limit groove (302) is provided on the outer wall of the top end of the plug-in portion (31), and the limit chuck (41) is rotatably mounted at the limit groove (302).

4. The length-adjustable new energy vehicle steering column according to claim 3, characterized in that: The limiting chuck (41) is formed by connecting the half-circular discs of the matching structure into one body through screws and then clamped into the second limiting groove (302).

5. The length-adjustable new energy vehicle steering column according to claim 3, characterized in that: The power source is a hand wheel (47), and the hand wheel (47) is fixedly mounted on one end of the worm (46).

6. The length-adjustable new energy vehicle steering column according to claim 5, characterized in that: The outer side wall of the hand wheel (47) is provided with anti-skid grooves.

7. The length-adjustable new energy vehicle steering column according to claim 6, characterized in that: An adjustment indicating arrow is provided on one side of the hand wheel (47).

8. The length-adjustable new energy vehicle steering column according to claim 1 or 2, characterized in that: The invention also comprises a steering warning assembly (5) mounted on the bottom end of the connecting sleeve (1), wherein the steering warning assembly (5) comprises a driving gear (51) and a transmission rod (52), wherein the driving gear (51) is fixedly mounted on the bottom end of the rotating part (21), the transmission rod (52) is rotatably mounted on the bottom end of the connecting sleeve (1), and a driven gear (53) is fixedly mounted on the bottom end of the transmission rod (52), and the driven gear (53) is meshed with the driving gear (51), and a rotary encoder (54), a single-chip microcomputer (55) and a buzzer (56) which are electrically connected in sequence are fixedly mounted on the bottom end of the connecting sleeve (1), and a detection end of the rotary encoder (54) is coaxially fixedly connected to the transmission rod (52).

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