CN219564698U

CN219564698U - Lifting type independent suspension

Info

Publication number: CN219564698U
Application number: CN202320588350.9U
Authority: CN
Inventors: 温从田; 张中义; 王楠楠; 张红
Original assignee: Hefei Tongzhi Electrical Control Technology Co ltd
Current assignee: Hefei Tongzhi Electrical Control Technology Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-22
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a lifting type independent suspension, which comprises a suspension body, wherein a lifting box is fixedly connected to the suspension body, a servo motor is fixedly connected to the outer part of the lifting box, a threaded rod is movably connected to the lifting box, an output shaft of the servo motor penetrates through the side wall of the lifting box, the tail end of the servo motor is in transmission fit with the threaded rod through a gear structure, the gear structure is two bevel gears meshed with each other, the axial direction of the threaded rod is perpendicular to the output shaft of the servo motor, a thread bush is connected to the threaded rod in a threaded manner, a sliding plate sliding relative to the side wall of the lifting box is fixedly connected to the thread bush, a supporting rod is fixedly connected to the sliding plate, and the supporting rod penetrates through the lifting box and is fixedly connected with a mounting plate outside the lifting box; the utility model has the advantages that: the lifting function can be realized, so that the automobile can pass through certain road sections with higher gradients, the chassis is prevented from being scratched, the bottom of the automobile is prevented from being damaged, and the automobile is convenient for people to use.

Description

Lifting type independent suspension

Technical Field

The utility model relates to the technical field of independent suspensions, in particular to a lifting independent suspension.

Background

The automobile suspension is an important part for ensuring riding comfort, and is used as a force transmission part for connecting a frame (or a vehicle body) and an axle (or wheels) and an important part for ensuring running safety of an automobile, so that the automobile suspension is often listed as an important part which is compiled into a technical specification table of a car and is used as one of indexes for measuring the quality of the car.

The Chinese patent grant publication No. CN207984484U discloses an independent suspension, which solves the technical problems of insufficient stability, poor damping effect and low connection strength of the conventional motor home suspension, and is provided with a cross arm, wherein the upper end of the cross arm is fixedly provided with a half shaft, one end of the half shaft is fixedly connected with the cross arm, and the other end of the half shaft is provided with a shaft head; a first cantilever and a second cantilever are arranged on one side of the cross arm, and the first cantilever and the second cantilever are fixedly connected with the cross arm; a reinforcing arm is arranged between the first cantilever and the second cantilever; a lower support is arranged between the first cantilever and the half shaft, and a spring fixing column is arranged in the lower support; the lower support is provided with a first spring; the cross arm is also provided with two lower damping lifting lugs which are positioned on the opposite surface of the connecting surface of the first cantilever and the cross arm; the lower damping lifting lugs are hinged with damping shock absorbers, and are characterized in that the free ends of the first cantilever and the second cantilever are provided with V-shaped openings, and fixed square tubes are arranged in the V-shaped openings; the fixed square tube is provided with a nipple. The independent suspension does not have the lifting function, and the automobile passes through certain road sections with higher gradients, if the lifting adjustment is not performed, the chassis is easily scratched, and then the bottom of the automobile is damaged, so that the independent suspension is inconvenient for people to use.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an independent suspension capable of realizing a lifting function, so that a chassis is prevented from being scratched when an automobile passes through certain road sections with higher gradients, the bottom of the automobile is prevented from being damaged, and the independent suspension is convenient for people to use.

The utility model solves the technical problems by the following technical means: the utility model provides an over-and-under type independent suspension, includes suspension body (1), fixedly connected with lift case (6) on suspension body (1), the outside fixedly connected with servo motor (9) of lift case (6), swing joint has threaded rod (15) in lift case (6), the output shaft of servo motor (9) passes the lateral wall of lift case (6) and terminal and threaded rod (15) pass through gear structure transmission cooperation, gear structure is helical gear (10, 11) of two intermeshing, and the axial of threaded rod (15) is perpendicular with the output shaft of servo motor (9), threaded sleeve (12) are gone up to threaded connection on threaded rod (15), sliding slide (13) of lateral wall relative lift case (6) of threaded sleeve (12) fixedly connected with, fixedly connected with bracing piece (17) on slide (13), bracing piece (17) pass lift case (6) and rather than outside mounting panel (8) fixed connection.

The beneficial effects are that: according to the utility model, the suspension body (1) is arranged on the frame through the mounting plate (8), if a road surface with a higher gradient is met in the running process of the vehicle, the output shaft of the servo motor (9) drives the gear structure to drive, so that the threaded rod (15) is driven to rotate, the threaded rod (15) drives the threaded sleeve (12) to axially move along the threaded rod, the lifting purpose is achieved, and therefore, the chassis is prevented from being scratched when the vehicle passes through certain road sections with higher gradients, the bottom of the vehicle is prevented from being damaged, and the vehicle is convenient for people to use.

Further, the lifting independent suspension further comprises a connecting plate (2), the connecting plate (2) is fixedly connected to the suspension body (1), and a lifting box (6) is fixedly connected to the connecting plate (2).

Further, the lifting independent suspension further comprises a protective cover (3), and the protective cover (3) is arranged outside the servo motor (9) and fixedly connected with the side wall of the lifting box (6) through screws.

Further, the lifting box (6) is located in the middle of the suspension body (1), swing arms (4) are arranged at two ends of the suspension body (1), a hub disc (5) is arranged on the outer side of each swing arm (4), and the hub disc (5) is connected with a fixed shaft on each swing arm (4) through a bearing.

Further, the lifting box (6) is movably connected with the threaded rod (15) through a bearing.

Further, the lifting independent suspension further comprises a plurality of mounting bolts (7), and the ends of the mounting bolts (7) penetrate through the mounting plate (8) to be connected with external equipment in a threaded fit mode.

Further, a sliding groove (18) is formed in the inner wall of the lifting box (6), and the end portion of the sliding plate (13) is clamped in the sliding groove (18).

Further, a through hole (14) is formed in the lifting box (16), and the supporting rod (17) penetrates through the through hole (14) in the lifting box (6) and is fixedly connected with the mounting plate (8) outside the lifting box.

Further, one end part of the threaded rod (15) is fixedly connected with a limiting block (16), the limiting block is located at one end part far away from a movable connection point of the lifting box (6) and the threaded rod (15), and the bevel gears (10, 11) are located on the side of the movable connection point of the lifting box (6) and the threaded rod (15).

Further, the diameter of the limiting block (16) is larger than the inner diameter of the threaded sleeve (12).

The utility model has the advantages that:

(1) According to the utility model, the suspension body (1) is arranged on the frame through the mounting plate (8), if a road surface with a higher gradient is met in the running process of the vehicle, the output shaft of the servo motor (9) drives the gear structure to drive, so that the threaded rod (15) is driven to rotate, the threaded rod (15) drives the threaded sleeve (12) to axially move along the threaded rod, the lifting purpose is achieved, and therefore, the chassis is prevented from being scratched when the vehicle passes through certain road sections with higher gradients, the bottom of the vehicle is prevented from being damaged, and the vehicle is convenient for people to use.

(2) The utility model is provided with the protective cover (3), and the protective cover (3) is covered outside the servo motor (9), so that the pollution of rainwater, dust and the like to the servo motor (9) can be prevented, the water and dust are prevented, and the service life of the servo motor (9) is prolonged.

(3) The utility model is provided with the mounting bolts (7), the end parts of the plurality of mounting bolts (7) penetrate through the mounting plate (8) to be in threaded fit connection with external equipment, and the mounting plate (8) and the mounting bolts (7) are arranged to facilitate the mounting with the frame.

(4) The inner wall of the lifting box (6) is provided with the sliding groove (18), and the end part of the sliding plate (13) is clamped in the sliding groove (18), so that the stability of the sliding plate (13) in the moving process can be improved.

(5) According to the utility model, the through hole (14) is arranged on the lifting box (16), the supporting rod (17) passes through the through hole (14) on the lifting box (6) and is fixedly connected with the mounting plate (8) outside the lifting box, and the supporting rod (17) can be limited by arranging the through hole (14) so as to avoid deviation in the moving process.

(6) According to the utility model, one end part of the threaded rod (15) is fixedly connected with the limiting block (16), so that the threaded sleeve (12) can be limited, and the threaded sleeve is prevented from falling off in the axial movement process.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a lifting independent suspension according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a lift-type independent suspension disclosed in an embodiment of the present utility model;

FIG. 3 is a schematic view of a threaded rod and related components of a lifting independent suspension according to an embodiment of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

in the figure: 1. a suspension body; 2. a connecting plate; 3. a protective cover; 4. swing arms; 5. a hub disc; 6. a lifting box; 7. installing a bolt; 8. a mounting plate; 9. a servo motor; 10. a drive gear; 11. a driven gear; 12. a thread sleeve; 13. a slide plate; 14. a through hole; 15. a threaded rod; 16. a limiting block; 17. a support rod; 18. and a sliding groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, a lifting independent suspension comprises a suspension body 1, fixedly connected with connecting plate 2 on the suspension body 1, fixedly connected with lift case 6 on the connecting plate 2, the outside fixedly connected with servo motor 9 of lift case 6, protection casing 3 cover is established outside servo motor 9 and through the lateral wall fixed connection of screw and lift case 6, and protection casing 3 can prevent the pollution of rainwater, dust etc. to servo motor 9 to waterproof dustproof, thereby extension servo motor 9's life.

Referring to fig. 2 and 3, the lifting box 6 is movably connected with a threaded rod 15 through a bearing, an output shaft of the servo motor 9 passes through a side wall of the lifting box 6 and is in transmission fit with the threaded rod 15 through a gear structure, the gear structure is two bevel gears meshed with each other, in this embodiment, the bevel gears are a driving gear 10 and a driven gear 11 shown in the drawings respectively, the driving gear 10 is fixedly connected with the end of the output shaft of the servo motor 9, the driven gear 11 is sleeved outside the threaded rod 15 and is fixedly connected with the threaded rod 15, and the axial direction of the threaded rod 15 is perpendicular to the output shaft of the servo motor 9.

Referring to fig. 2 and 4, the threaded rod 15 is screwed with a threaded sleeve 12, the threaded sleeve 12 is fixedly connected with sliding plates 13 sliding relative to the side wall of the lifting box 6, in this embodiment, the number of the sliding plates 13 is 2, and in practical application, 1 sliding plate may be provided, or 3 sliding plates or 4 sliding plates may be provided, which is not particularly limited, so long as the supporting rod 17 can play a role in supporting. The inner wall of the lifting box 6 is provided with a chute 18, and the end part of the sliding plate 13 is clamped in the chute 18, so that the stability of the sliding plate 13 in the moving process can be improved. The supporting rods 17 are fixedly connected to the sliding plate 13, and the number of the supporting rods 17 is not particularly limited, and a plurality of side-by-side supporting rods 17 may be arranged on one sliding plate 13, or only one supporting rod 17 may be arranged on one sliding plate. The supporting rod 17 passes through the through hole 14 on the lifting box 6 and is fixedly connected with the mounting plate 8 outside the lifting box, and the supporting rod 17 can be limited by arranging the through hole 14, so that the deviation in the moving process is avoided. The mounting plate 8 is provided with a plurality of mounting bolts 7, and the tip of a plurality of mounting bolts 7 passes mounting plate 8 is connected with external equipment screw thread fit, external equipment refers to the frame in this embodiment, and in this embodiment, mounting bolts 7 set up to 4, its number is not particularly limited in practical application. By arranging the mounting plate 8 and the mounting bolts 7, the bicycle frame can be conveniently mounted with the bicycle frame.

As a further improvement, one end of the threaded rod 15 is fixedly connected with a limiting block 16, the limiting block is located at one end far away from the movable connection point of the lifting box 6 and the threaded rod 15, and the driven gear 11 is located at one end of the side where the movable connection point of the lifting box 6 and the threaded rod 15 is located. The diameter of the limiting block 16 is larger than the inner diameter of the threaded sleeve 12. The limiting block 16 can limit the threaded sleeve 12, so that the threaded sleeve is prevented from falling off in the axial movement process.

Referring to fig. 1, in practical application, the lifting box 6 is located at the middle position of the suspension body 1, swing arms 4 are respectively disposed at two ends of the suspension body 1, a hub disc 5 is disposed at the outer side of the swing arms 4, the hub disc 5 is connected with a fixed shaft on the swing arms 4 through a bearing, and a nut is used to lock the outer side of the hub disc 5, so that the hub disc 5 can rotate freely relative to the fixed shaft on the swing arms 4.

The working principle of the utility model is as follows:

firstly, the suspension body 1 is arranged on a frame through the mounting plate 8 and the mounting bolt 7, if a road surface with higher gradient is met in the running process of a vehicle, the output shaft of the servo motor 9 drives the driving gear 10 to rotate, the driving gear 10 drives the driven gear 11 to rotate through the action of tooth meshing, the driven gear 11 drives the threaded rod 15 to rotate, the threaded rod 15 drives the threaded sleeve 12 to axially move along the threaded rod, the threaded sleeve 12 drives the sliding plate 13 to slide along the sliding groove 18 in the moving process, the supporting rod 17 drives the mounting plate 8 and the frame fixed on the mounting plate 8 to axially move, so that the lifting is stable when the lifting is achieved, the chassis is prevented from being rubbed when the vehicle passes through certain road sections with higher gradients, the bottom of the vehicle is prevented from being damaged, and the use of people is facilitated.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides an over-and-under type independent suspension, includes suspension body (1), its characterized in that, fixedly connected with lift case (6) on suspension body (1), the outside fixedly connected with servo motor (9) of lift case (6), swing joint has threaded rod (15) in lift case (6), the lateral wall and the terminal of passing lift case (6) of the output shaft of servo motor (9) pass through gear structure transmission cooperation with threaded rod (15), gear structure is helical gear (10, 11) of two intermeshing, and the axial of threaded rod (15) is perpendicular with the output shaft of servo motor (9), threaded sleeve (12) are gone up to threaded connection on threaded rod (15), sliding slide (13) of lateral wall relative lift case (6) of threaded sleeve (12) fixedly connected with bracing piece (17) on slide (13), bracing piece (17) pass lift case (6) and its outside mounting panel (8) fixed connection.

2. The lifting independent suspension according to claim 1, further comprising a connecting plate (2), wherein the connecting plate (2) is fixedly connected to the suspension body (1), and a lifting box (6) is fixedly connected to the connecting plate (2).

3. The lifting independent suspension according to claim 1, further comprising a protective cover (3), wherein the protective cover (3) is arranged outside the servo motor (9) and is fixedly connected with the side wall of the lifting box (6) through screws.

4. The lifting independent suspension according to claim 1, wherein the lifting box (6) is located at the middle position of the suspension body (1), swing arms (4) are arranged at two ends of the suspension body (1), a hub disc (5) is arranged on the outer side of each swing arm (4), and the hub disc (5) is connected with a fixed shaft on each swing arm (4) through a bearing.

5. A lifting independent suspension according to claim 1, characterized in that the lifting box (6) is movably connected to the threaded rod (15) by means of bearings.

6. A lifting independent suspension according to claim 1, further comprising a plurality of mounting bolts (7), the ends of the plurality of mounting bolts (7) passing through the mounting plate (8) to be screwed with an external device.

7. A lifting independent suspension according to claim 1, characterized in that a chute (18) is arranged on the inner wall of the lifting box (6), and the end part of the sliding plate (13) is clamped in the chute (18).

8. A lifting independent suspension according to claim 1, characterized in that the lifting box (6) is provided with a through hole (14), and the supporting rod (17) passes through the through hole (14) on the lifting box (6) and is fixedly connected with the mounting plate (8) outside the lifting box.

9. A lifting independent suspension according to claim 1, characterized in that one end of the threaded rod (15) is fixedly connected with a limiting block (16), the limiting block is located at one end far away from the movable connection point of the lifting box (6) and the threaded rod (15), and the bevel gears (10, 11) are located at the side of the movable connection point of the lifting box (6) and the threaded rod (15).

10. A lifting independent suspension according to claim 9, characterized in that the diameter of the stopper (16) is larger than the inner diameter of the threaded sleeve (12).