CN218616139U

CN218616139U - Automobile chassis lifting device

Info

Publication number: CN218616139U
Application number: CN202222941826.0U
Authority: CN
Inventors: 李国纯; 程瑞颖; 程中发
Original assignee: Guangzhou Lesheng Information Technology Co ltd
Current assignee: Guangzhou Lesheng Information Technology Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-14
Anticipated expiration: 2032-11-04

Abstract

The utility model belongs to the vehicle chassis field, especially, vehicle chassis elevating gear to current problem, now proposes following scheme, and it includes chassis, two back shaft one, four wheels and four extension boards one, and two back shaft one rotate to be installed on the chassis, and the equal radial fixed mounting of four extension boards is at the both ends that correspond back shaft one, and four wheels rotate respectively and install on the extension board one that corresponds, be provided with adjustment mechanism on the chassis, slidable mounting has two movable plates on the chassis, all is provided with drive assembly on two movable plates, and two drive assembly are connected with the back shaft one that corresponds respectively. The utility model has the advantages of reasonable design, easy operation can carry out lift adjustment to the chassis as required, can also carry out respectively lift adjustment to the both ends on chassis as required simultaneously to can improve the device's suitability, and it is comparatively convenient to use.

Description

Automobile chassis lifting device

Technical Field

The utility model relates to an automobile chassis technical field especially relates to an automobile chassis elevating gear.

Background

The automobile chassis consists of four parts, namely a transmission system, a running system, a steering system and a braking system. The chassis is used for supporting and mounting the automobile engine and all parts and assemblies thereof to form the integral shape of the automobile, and receives the power of the engine to enable the automobile to move and ensure the normal running.

Ordinary car domestic vehicle chassis generally does not all possess the function of lift, when passing through rugged road, the condition such as bump between the support bottom and vehicle chassis and the road surface arch appears easily, can be then the damage of chassis and other spare parts of installation on the chassis, generally can set up vehicle chassis elevating gear on some cross country cars and high-end cars, the trafficability characteristic and the travelling comfort of the car that possesses chassis elevating gear are better, certainly there have been a large amount of chassis lifting technology to study at present, for example adjust vehicle chassis elevating gear through the bolt, but this kind of adjust chassis height at every turn all need lift up the vehicle with lifting equipment and adjust the lift that realizes the chassis with specialized tool to the bolt, need professional to operate the realization lift, only can the one-wheel adjust, and it is inconvenient, so ordinary navigating mate can't adjust vehicle body chassis height according to the road conditions of difference, driving safety and travelling comfort are improved. And the working environment of the automobile chassis is severe, the bolts are exposed for a long time for adjustment, and the height of the chassis is difficult to adjust after a long time. In another chassis lifting technology, a pneumatic chassis adjusting system is adopted, the pneumatic chassis adjusting system realizes the damping of a spring by compressed air, and once a pipe is burst and gas leaks, a vehicle cannot be normally used. Since the air is greatly affected by temperature changes, different ambient temperatures can affect the pneumatic chassis adjustment system. When meetting the road surface of jolting, because air compression makes the shock attenuation stroke increase by a wide margin with the shock attenuation of vehicle itself, cause the shake about to jolt, air compression, similar to air spring, but air spring is non-linear, poor stability, the sensation of jolting has aggravated, air compression ratio is big, pressure is big, in case reveal, just released in the twinkling of an eye, cause the chassis directly to fall down, approximate car blowing out effect, cause vehicle damage even vehicle accident and bodily injury easily, the problem to two kinds of above vehicle chassis elevating gear existence, the utility model provides a vehicle chassis elevating gear, it is reasonable to have a structural design, easy operation can carry out lift adjustment to the chassis as required, can also carry out lift adjustment respectively to the both ends on chassis as required simultaneously to can improve the device's suitability, and it is comparatively convenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an automobile chassis lifting device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automobile chassis lifting device comprises a chassis, two support shafts I, four wheels and four support plates I;

one support shaft is rotatably arranged on the chassis, four support plates I are radially and fixedly arranged at two ends of the corresponding support shaft I, and four wheels are respectively rotatably arranged on the corresponding support plates I;

the chassis is provided with an adjusting mechanism, the chassis is provided with two moving plates in a sliding mode, the two moving plates are provided with transmission assemblies, and the two transmission assemblies are connected with the corresponding first supporting shafts respectively.

It is specific, adjustment mechanism includes the U-shaped board, adjusting motor, the drive shaft, the sleeve, wide gear, two lead screws, two driven gear and adjusting part, the equal fixed mounting in top side both ends on chassis has the blend stop, all rotate on two blend stops and install the lead screw, two lead screws respectively with the movable plate threaded connection that corresponds, the top side fixed mounting on chassis has the U-shaped board, one side fixed mounting of U-shaped board has adjusting motor, fixed mounting has the drive shaft on adjusting motor's the output shaft, axial slidable mounting has the sleeve on the drive shaft, fixed cover is equipped with wide gear on the sleeve, two lead screws are close to each other the one end all extend in the U-shaped board and fixed cover respectively and are equipped with driven gear, two drive gear all mesh with wide gear mutually, be provided with adjusting part in the U-shaped board, adjusting part is connected with the sleeve.

Specifically, the adjusting part includes electric jar, slider and horizontal pole, and one side fixed mounting that adjusting motor was kept away from to the U-shaped board has the electric jar, and the expansion end of electric jar extends to in the U-shaped board and fixed mounting has the slider, and the sleeve rotates and installs on the slider, and fixed mounting has same horizontal pole on the both sides inner wall of U-shaped board, slider and horizontal pole sliding connection.

Specifically, fixed mounting has two stoppers on the telescopic inner wall, has seted up two spacing grooves on the drive shaft, and two stoppers are slidable mounting respectively in the spacing inslot that corresponds.

Specifically, one side fixed mounting that two blend stops are close to each other has a plurality of guide bars, and a plurality of guide bars are parallel arrangement, two movable plates all with a plurality of guide bar sliding connection.

Specifically, the transmission assembly comprises two support plates II, two support shafts II, two support pins, two support plates III and four transmission gears, the support pins are fixedly mounted on the front side and the rear side of the movable plate, the support plates III are radially and rotatably mounted on the two support pins, the support plates II are hinged to the two support plates III, the two support shafts II are rotatably mounted on the chassis, the two support plates II are radially and fixedly mounted on the same support shaft II, the two transmission gears are fixedly sleeved on the support shaft I and the support shaft II, and the two transmission gears located on the same side of the chassis are meshed with each other.

Specifically, two guide grooves are formed in the front side and the rear side of the chassis, and the four supporting pins are slidably mounted in the corresponding guide grooves respectively.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) The utility model discloses an automobile chassis elevating gear, the extension board that can control both sides under the cooperation through adjustment mechanism and drive assembly is upwards or deflect downwards as the fulcrum based on the back shaft that corresponds respectively to can carry out lift adjustment to the chassis.

(2) The utility model discloses an automobile chassis elevating gear through the endwise slip of adjusting part control sleeve along the drive shaft to can control wide gear only with one of them driven gear meshing, thereby can carry out the lift adjustment operation respectively to the both sides on chassis, and then can improve the device's whole suitability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be understood that the drawings in the following description are illustrative only, and that the structures, proportions, sizes, and other elements shown in the drawings are incorporated herein by reference in their entirety for all purposes in the present disclosure, which are not intended to limit the scope of the invention, but rather are to be construed as being within the spirit and scope of the invention.

Fig. 1 is a schematic perspective view of an automobile chassis lifting device provided by the present invention;

fig. 2 is a schematic structural view of an adjusting mechanism portion of an automobile chassis lifting device provided by the present invention;

fig. 3 is a schematic structural view of a portion a of the lifting device for an automobile chassis according to the present invention;

fig. 4 is a schematic structural view of a U-shaped plate, an adjusting motor, a driving shaft, a sleeve, a slider, an electric cylinder, a cross bar and a wide gear part in the lifting device for the chassis of the vehicle according to the present invention;

fig. 5 is the utility model provides a telescopic vertical section structure sketch map in vehicle chassis elevating gear.

In the figure: 1. a chassis; 2. a first support shaft; 21. a first support plate; 22. a wheel; 3. a second support shaft; 31. a support plate II; 32. a support plate III; 33. a support pin; 34. a transmission gear; 4. blocking strips; 41. a lead screw; 42. moving the plate; 43. a guide bar; 44. a driven gear; 5. a U-shaped plate; 51. adjusting the motor; 52. a drive shaft; 53. a sleeve; 54. a wide gear; 55. a slider; 56. a cross bar; 57. and (4) an electric cylinder.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defined as "first", "second" may explicitly or implicitly include one or more such features, in the description of the invention "plurality" means two or more unless explicitly and specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-5, an automobile chassis lifting device comprises a chassis 1, two support shafts one 2, four wheels 22 and four support plates one 21, wherein the two support shafts one 2 are rotatably mounted on the chassis 1, the four support plates one 21 are radially and fixedly mounted at two ends of the corresponding support shafts one 2, the four wheels 22 are respectively rotatably mounted on the corresponding support plates one 21, two moving plates 42 are slidably mounted on the automobile chassis 1, barrier strips 4 are fixedly mounted at two ends of a top side of the chassis 1, lead screws 41 are respectively rotatably mounted on the two barrier strips 4, the two lead screws 41 are respectively in threaded connection with the corresponding moving plates 42, an adjusting motor 51 is fixedly mounted at one side of the chassis 1 where a U-shaped plate 5,U-shaped plate 5 is fixedly mounted on the top side, a drive shaft 52 is fixedly mounted on an output shaft of the adjusting motor 51, a sleeve 53 is axially and slidably mounted on the drive shaft 52, a wide gear 54 is fixedly sleeved on the sleeve 53, one end of the two lead screws 41 close to each other extends into the U-shaped plate 5 and is respectively fixedly sleeved with a driven gear 44, two transmission gears 34 are respectively engaged with the wide gear 54, a fixed on the two support shafts, two support shafts 5 are fixedly mounted on the same support shafts, two support shafts 57, two support plates 31 are fixedly mounted on the two support plates 3, two support shafts, two sliding blocks 32 are respectively hinged to the two sliding blocks 32 are mounted on the two support shafts, two support plates 3, two sliding blocks are rotatably mounted on the support shafts, two sliding blocks 32 are respectively hinged to the supporting shafts, two sliding blocks 32 are mounted on the two support plates 3, two support shafts, two sliding blocks 32 are respectively hinged to the supporting shafts, two sliding blocks 32 are mounted on the supporting shafts, two sliding blocks 32, the two transmission gears 34 positioned on the same side of the chassis 1 are meshed, so that the control support plate can deflect based on the support shaft I2 as the center when the moving plate 42 slides along the top side of the chassis 1, and the chassis 1 can be controlled to carry out lifting operation.

In this embodiment, fixed mounting has two stoppers on the inner wall of vehicle chassis sleeve 53, has seted up two spacing grooves on the drive shaft 52, and two stoppers slidable mounting are respectively at the spacing inslot that corresponds, can make sleeve 53 keep stable slip along the axial of drive shaft 52.

In this embodiment, two one sides fixed mounting that blend stop 4 is close to each other have a plurality of guide bars 43, and a plurality of guide bars 43 are parallel arrangement, and two movable plates 42 all with a plurality of guide bars 43 sliding connection, can make movable plate 42 along the top side steady slip of chassis 1, two guide ways have all been seted up to the front and back both sides of vehicle chassis 1, and four supporting pins 33 are slidable mounting respectively in the guide way that corresponds to stability when can improve movable plate 42 and move.

In this embodiment, the threads on the two lead screws 41 are symmetrically arranged based on the U-shaped plate 5, so that the two moving plates 42 are controlled to move in opposite directions when the two lead screws 41 rotate synchronously.

The utility model discloses the technological progress that prior art obtained relatively is: firstly, a power supply is switched on, the adjusting motor 51 is started, the adjusting motor 51 controls the sleeve 53 to drive the wide gear 54 to rotate through the driving shaft 52, so that the two screw rods 41 can be controlled to rotate synchronously under the coordination of the two driven gears 44, the two moving plates 42 can be controlled to move towards the directions away from each other, the support plate 21 can be controlled to deflect upwards based on the support shaft one 2 under the coordination of the support plate three 32, the support plate two 31 and the transmission gear 34, so that the chassis 1 can be controlled to descend, when the chassis 1 needs to be controlled to move upwards, the adjusting motor 51 can be controlled to rotate reversely, when the chassis 1 on one side needs to be lifted, the electric cylinder 57 controls the sliding block 55 to drive the sleeve 53 to slide along the axial direction of the driving shaft 52, so that the wide gear 54 can be controlled to be meshed with one driven gear 44, and then the independent lifting adjustment can be carried out on one side of the chassis 1, and the whole applicability of the device is effectively improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A lifting device for an automobile chassis is characterized by comprising a chassis (1), two support shafts I (2), four wheels (22) and four support plates I (21);

the two support shafts I (2) are rotatably arranged on the chassis (1), the four support plates I (21) are radially and fixedly arranged at two ends of the corresponding support shafts I (2), and the four wheels (22) are respectively rotatably arranged on the corresponding support plates I (21);

the adjustable support shaft mechanism is characterized in that an adjusting mechanism is arranged on the chassis (1), two moving plates (42) are arranged on the chassis (1) in a sliding mode, transmission assemblies are arranged on the two moving plates (42), and the two transmission assemblies are connected with the corresponding support shafts I (2) respectively.

2. The automobile chassis lifting device according to claim 1, wherein the adjusting mechanism comprises a U-shaped plate (5), an adjusting motor (51), a driving shaft (52), a sleeve (53), a wide gear (54), two lead screws (41), two driven gears (44) and an adjusting assembly, barrier strips (4) are fixedly mounted at two ends of the top side of the chassis (1), the lead screws (41) are rotatably mounted on the two barrier strips (4), the two lead screws (41) are respectively in threaded connection with the corresponding moving plates (42), the U-shaped plate (5) is fixedly mounted at the top side of the chassis (1), the adjusting motor (51) is fixedly mounted at one side of the U-shaped plate (5), the driving shaft (52) is fixedly mounted on an output shaft of the adjusting motor (51), the sleeve (53) is axially slidably mounted on the driving shaft (52), the wide gear (54) is arranged on the sleeve (53), one ends, close to each other, of the two lead screws (41) extend into the U-shaped plate (5) and are respectively fixedly sleeved with the driven gears (44), the two transmission gears (34) are respectively engaged with the wide gear (54), the adjusting assembly is arranged in the U-shaped plate (5), and the adjusting assembly is connected with the sleeve (53).

3. The automobile chassis lifting device according to claim 2, wherein the adjusting assembly comprises an electric cylinder (57), a sliding block (55) and a cross rod (56), the electric cylinder (57) is fixedly installed on one side, away from the adjusting motor (51), of the U-shaped plate (5), the movable end of the electric cylinder (57) extends into the U-shaped plate and is fixedly installed with the sliding block (55), the sleeve (53) is rotatably installed on the sliding block (55), the same cross rod (56) is fixedly installed on the inner walls of two sides of the U-shaped plate (5), and the sliding block (55) is slidably connected with the cross rod (56).

4. The automobile chassis lifting device according to claim 2, wherein two limiting blocks are fixedly mounted on the inner wall of the sleeve (53), two limiting grooves are formed in the driving shaft (52), and the two limiting blocks are respectively slidably mounted in the corresponding limiting grooves.

5. The vehicle chassis lifting device according to claim 1, wherein a plurality of guide rods (43) are fixedly mounted on the side of the two bars (4) close to each other, the guide rods (43) are arranged in parallel, and the two moving plates (42) are slidably connected with the guide rods (43).

6. The automobile chassis lifting device according to claim 1, wherein the transmission assembly comprises two support plates two (31), two support shafts two (3), two support pins (33), two support plates three (32) and four transmission gears (34), the support pins (33) are fixedly mounted on the front side and the rear side of the moving plate (42), the support plates three (32) are radially and rotatably mounted on the two support pins (33), the support plates two (31) are hinged to the two support plates three (32), the two support shafts two (3) are rotatably mounted on the chassis (1), the two support plates two (31) are radially and fixedly mounted on the same support shaft two (3), the two transmission gears (34) are fixedly sleeved on the support shaft one (2) and the support shaft two (3), and the two transmission gears (34) on the same side of the chassis (1) are meshed with each other.

7. The lifting device for the automobile chassis is characterized in that two guide grooves are formed in the front side and the rear side of the chassis (1), and four support pins (33) are slidably mounted in the corresponding guide grooves respectively.