CN210707185U

CN210707185U - Lifting mechanism of vehicle-mounted equipment and vehicle

Info

Publication number: CN210707185U
Application number: CN201921149101.XU
Authority: CN
Inventors: 吴伟才; 张凯
Original assignee: Baoneng Guangzhou Automobile Research Institute Co Ltd
Current assignee: Baoneng Guangzhou Automobile Research Institute Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-06-09
Anticipated expiration: 2029-07-19

Abstract

The application discloses mobile unit's elevating system and vehicle, elevating system includes: a housing assembly having one end open; the lifting bearing piece is slidably mounted on the shell assembly and provided with a mounting position for mounting the vehicle-mounted equipment; the driving mechanism is fixedly connected with the shell assembly and is in power coupling connection with the lifting bearing piece so as to drive the lifting bearing piece and the shell assembly to slide relatively; one end of the pre-tightening mechanism is pivotally connected with the shell assembly, and the pre-tightening mechanism is provided with an elastic piece which elastically abuts against the shell assembly so that the other end of the pre-tightening mechanism presses the lifting bearing piece. The application discloses mobile unit's elevating system can realize mobile unit's stable lift, and does not influence the interior trim of whole car when mobile unit withdraws, does not occupy extra space, convenient to use.

Description

Lifting mechanism of vehicle-mounted equipment and vehicle

Technical Field

The application relates to the technical field of vehicle manufacturing, in particular to a lifting mechanism of vehicle-mounted equipment and a vehicle with the lifting mechanism.

Background

With the continuous and high-speed development of modern automobiles towards intellectualization and networking, people have more and more requirements on the design of automotive interiors, most of the existing vehicle-mounted equipment can only be fixedly installed on the upper surface of an instrument board, and certain ceremonies and intellectualization are lacked. In the related art, the mechanism for realizing height adjustment of the vehicle-mounted equipment has high requirement on space, and has poor stability in the height adjustment process, so that improved space exists.

Disclosure of Invention

The present application is directed to solving at least one of the problems in the prior art. Therefore, an object of the present application is to provide a lifting mechanism of a vehicle-mounted device, which can realize height adjustment of the vehicle-mounted device, and the adjustment process is stable and reliable.

According to this application embodiment's jacking mechanism of mobile unit, include: a housing assembly having one end open; the lifting bearing piece is slidably mounted on the shell assembly and provided with a mounting position for mounting the vehicle-mounted equipment; the driving mechanism is fixedly connected with the shell assembly and is in power coupling connection with the lifting bearing piece so as to drive the lifting bearing piece and the shell assembly to slide relatively; one end of the pre-tightening mechanism is pivotally connected with the shell assembly, and the pre-tightening mechanism is provided with an elastic piece which elastically abuts against the shell assembly so that the other end of the pre-tightening mechanism presses the lifting bearing piece.

According to the lifting mechanism of the vehicle-mounted equipment, the driving mechanism can drive the lifting bearing piece to slide relative to the shell assembly, so that the lifting bearing piece drives the vehicle-mounted equipment to ascend or descend, and the use requirement of a user on the height of the vehicle-mounted equipment is met. Wherein actuating mechanism and housing assembly fixed connection, lift and hold carrier and housing assembly sliding fit, and the outside that the lift held the carrier is supported and is pressed there is pretension mechanism, guarantees that drive power transmits steadily and holds the carrier for the lift, and the lift holds the carrier and can slide for housing assembly steadily, realizes mobile unit's stable lift, and mobile unit does not influence the interior trim of whole car when withdrawing, does not occupy extra space, and the user of being convenient for uses.

The present application further provides a vehicle.

According to the vehicle of the embodiment of the present application, the lifting mechanism of the in-vehicle apparatus described in the above embodiment is provided.

The vehicle and the lifting mechanism have the same advantages compared with the prior art, and are not described in detail herein.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a housing of a lift mechanism according to an embodiment of the present application;

fig. 2 is a schematic structural view of a driving mechanism of a lifting mechanism according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a lift carrier of a lift mechanism according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a pretensioning mechanism of a lifting mechanism according to an embodiment of the present application;

FIG. 5 is a schematic structural view of a fixed bracket of a lifting mechanism according to an embodiment of the present application;

FIG. 6 is a schematic structural view (without a housing) of the lifting mechanism with the vehicle-mounted device installed according to the embodiment of the present application;

FIG. 7 is a schematic diagram of a base of a lift mechanism according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of the lifting mechanism with the onboard apparatus mounted thereon according to the embodiment of the present application.

Reference numerals:

the lifting mechanism (100) is provided with a lifting mechanism,

the shell assembly 1, the shell 11, the connecting lug 111, the supporting platform 112, the mounting column 113, the base 12, the first supporting frame 121, the second supporting frame 122, the fixing column 123, the wiring hole 124,

a lifting carrier 2, a mounting position 21, a pre-tightening rack 22, a plug hole 23,

a driving mechanism 3, a power source 31, a motor gear 311, a transmission mechanism 32, a first transmission shaft 321, a transmission worm 3211, a first input gear 3212, a second transmission shaft 322, a second input gear 3221, an output gear 3222,

a pre-tightening mechanism 4, an elastic piece 41, a pre-tightening gear 42, a side plate 43, a pivot shaft 431, a middle plate 44, a connecting rod 45,

the length of the guide rail 51, the guide groove 52,

a fixed bracket 6, a thread mounting hole 61, an avoidance hole 62,

an in-vehicle apparatus 101, and a mount 102.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

Unless otherwise specified, the front-rear direction in the present application is the longitudinal direction of the vehicle, i.e., the X direction; the left and right directions are the transverse direction of the vehicle, namely the Y direction; the up-down direction is the vertical direction of the vehicle, i.e., the Z direction.

The following describes, with reference to fig. 1 to 8, a lifting mechanism 100 of an on-board device 101 according to an embodiment of the present application, where the on-board device 101 is mounted on the lifting mechanism 100, and the lifting mechanism 100 can raise or lower the on-board device 101 to meet a user demand for a height of the on-board device 101, and the lifting mechanism 100 can ensure that a driving force is stably transmitted to a driven member during lifting, so that stability is good. The lifting mechanism 100 can be installed on an instrument desk of a vehicle, the vehicle-mounted equipment 101 can be a display screen or operating equipment for controlling functions of the whole vehicle, the lifting mechanism 100 can enable the vehicle-mounted equipment 101 to extend out of the instrument desk for use by a user and can also be retracted into the instrument desk for storage, interior decoration of the whole vehicle is not affected, extra space is not occupied, and the use by the user is facilitated.

As shown in fig. 1 to 8, a lifting mechanism 100 of an in-vehicle apparatus 101 according to an embodiment of the present application includes: the device comprises a shell assembly 1, a lifting bearing piece 2, a driving mechanism 3 and a pre-tightening mechanism 4.

The housing assembly 1 is mounted on the instrument desk, and if the housing assembly 1 is fixedly mounted in the instrument desk, the upper end of the housing assembly 1 does not protrude out of the instrument desk, so that the surface of the instrument desk is kept flat when the vehicle-mounted device 101 is accommodated in the housing assembly 1. In which one end of the housing assembly 1 is open, as shown in fig. 1 and 8, and the upper end of the housing assembly 1 is open, so that the in-vehicle apparatus 101 can be extended or retracted from the open end of the housing assembly 1, so that the in-vehicle apparatus 101 can be switched to a different height.

The lifting bearing part 2 is slidably mounted on the housing assembly 1, that is, the lifting bearing part 2 can slide relative to the housing assembly 1, if the lifting bearing part 2 can slide upward or downward relative to the housing assembly 1, so that the lifting bearing part 2 is lifted or lowered, and as shown in fig. 3, the lifting bearing part 2 has a mounting position 21, the mounting position 21 is used for mounting the vehicle-mounted device 101, as shown in fig. 3, the mounting position 21 is arranged at the upper end of the lifting bearing part 2, and the mounting position 21 is a threaded hole, the vehicle-mounted device 101 has a mounting seat 102, the mounting seat 102 is provided with a connecting hole matched with the threaded hole, so that the mounting seat 102 can be fixedly connected with the lifting bearing part 2 through a threaded fastener penetrating through the connecting hole and the threaded hole, and the vehicle-mounted device 101.

The specific structure of the installation position 21 of the lifting carrier 2 can be selectively set according to actual needs, so that the lifting carrier 2 can be used for installing different types of vehicle-mounted equipment 101, for example, the vehicle-mounted equipment 101 is a vehicle-mounted robot, or the vehicle-mounted equipment 101 is a vehicle-mounted display terminal.

Therefore, in the process that the lifting carrier 2 is lifted relative to the shell assembly 1, the vehicle-mounted equipment 101 stretches out or retracts, so that the height of the vehicle-mounted equipment 101 is adjusted, a user can selectively use the vehicle-mounted equipment 101 conveniently, and ceremonial effect and interestingness are enhanced.

Actuating mechanism 3 links to each other with casing subassembly 1, and actuating mechanism 3 holds 2 power coupling with the lift and is connected, actuating mechanism 3 is used for driving the lift to hold carrier 2 and slide for casing subassembly 1, wherein, actuating mechanism 3 is fixed connection with casing subassembly 1, at the in-process of actuating mechanism 3 operation promptly, its relative position with casing subassembly 1 is fixed, so that actuating mechanism 3 can carry out stability, effectual power take off, avoid actuating mechanism 3 to take place to rock for casing subassembly 1 and cause the transmission inaccurate, improve elevating system 100's stability and reliability.

The driving mechanism 3 may include a driving motor, and the driving motor may be controlled to rotate forward or backward, so that the output driving force drives the lifting carrier 2 to ascend or descend. When the vehicle-mounted equipment 101 needs to be lifted, the power supply connected to the driving motor is selected to enable the driving motor to automatically drive the vehicle-mounted equipment 101 to lift, the structure is simple, and the control is convenient. And the driving mechanism 3 is fixedly connected with the shell assembly 1, so that the torque requirement of the motor can be reduced, the motor with smaller volume can be selected, the miniaturization of the whole mechanism is realized, and the space requirement in the instrument panel is reduced.

One end of the pre-tightening mechanism 4 is pivotally connected with the housing assembly 1, the pre-tightening mechanism 4 is provided with an elastic part 41 which elastically abuts against the housing assembly 1, and after the lifting mechanism 100 is assembled, the elastic part 41 is in a compressed state, so that the other end of the pre-tightening mechanism 4 compresses the lifting bearing part 2, the lifting bearing part 2 is further stably in power coupling with the driving mechanism 3, the driving force output by the driving mechanism 3 can effectively drive the lifting bearing part 2 and the vehicle-mounted equipment 101 to lift, and the stability of the lifting mechanism 100 is improved.

The driving mechanism 3, the lifting bearing part 2 and the pre-tightening mechanism 4 are all installed in the shell assembly 1, as shown in fig. 6, the pre-tightening mechanisms 4 comprise two groups, and the two groups of pre-tightening mechanisms 4 are respectively arranged on two sides of the lifting bearing part 2, so that the two groups of pre-tightening mechanisms 4 are respectively pressed between the lifting bearing part 2 and the shell assembly 1, the lifting bearing part 2 is clamped towards the middle part, and the lifting bearing part 2 is prevented from transversely or longitudinally shaking in the lifting process.

According to the lifting mechanism 100 of the vehicle-mounted device 101 of the embodiment of the application, the driving mechanism 3 can drive the lifting carrier 2 to slide relative to the housing assembly 1, so that the lifting carrier 2 drives the vehicle-mounted device 101 to ascend or descend, and the use requirement of a user on the height of the vehicle-mounted device 101 is met. Wherein actuating mechanism 3 and housing assembly 1 fixed connection, lift and hold carrier 2 and housing assembly 1 sliding fit, and the lift holds the outside of carrier 2 and supports to press has pretension mechanism 4, guarantee that drive power transmits steadily and holds carrier 2 for the lift, and lift and hold carrier 2 and can slide for housing assembly 1 steadily, realize the stable lift of mobile unit 101, and mobile unit 101 does not influence the interior trim of whole car when withdrawing, does not occupy extra space, the user of being convenient for uses.

In some embodiments, as shown in fig. 1, 5 and 7, the housing assembly 1 includes a housing 11, a base 12 and a fixed bracket 6.

The base 12 is fixedly installed at the bottom of the housing 11, wherein the housing 11 has an open end, as shown in fig. 1, the upper end of the housing 11 is open, the base 12 can be connected with the bottom of the housing 11 by screw connection or welding, and the base 12 and the housing 11 can also be integrally formed.

The drive mechanism 3 is supported by the base 12 so that the drive mechanism 3 can stably output a drive force. Wherein, actuating mechanism 3 and base 12 all are located shell 11, and lift carrier 2 is box-like, and lift carrier 2 locates in shell 11, and lift carrier 2 covers and locates outside actuating mechanism 3 and base 12, and lift carrier 2 and base 12 sliding fit, the internal face and the base 12 sliding fit that lift carrier 2 promptly.

As shown in fig. 3 and 7, the preloading mechanism 4 is located between the housing 11 and the lifting carrier 2, as shown in fig. 1, two connecting lugs 111 protruding inwards are arranged on the inner wall of the housing 11, the two connecting lugs 111 are arranged opposite to each other, as shown in fig. 1, a support table 112 is arranged below the connecting lugs 111, two pivot shafts 431 are arranged at one end of the preloading mechanism 4, the two pivot shafts 431 are respectively rotatably connected with the two connecting lugs 111, so that the preloading mechanism 4 can rotate relative to the housing 11, a first end of the elastic member 41 is connected to the middle of the preloading mechanism 4, and a second end of the elastic member 41 is pressed against the support table 112, so that the preloading mechanism 4 has a tendency of rotating around one end thereof.

Like this, after lift carrier 2 installs in shell 11, elastic component 41 is in compression state, and elastic component 41 utilizes self elastic force to make other end elasticity of preloading mechanism 4 support and press in the outer wall surface of lift carrier 2, and then makes lift carrier 2 and base 12 steady contact, realizes along vertical relative slip, prevents that lift carrier 2 from rocking along horizontal or vertically, guarantees that mobile unit 101 can follow vertical motion smoothly, improves the stability and the reliability of elevating system 100 work.

The lifting carrier 2 is provided with the insertion hole 23 which is vertically communicated, the base 12 is provided with the wiring hole 124, when the vehicle-mounted device 101 is an electronic product, an electric wire of the vehicle-mounted device 101 can be connected to a power supply in the vehicle through the insertion hole 23 and the wiring hole 124, a wiring pipeline does not need to be separately arranged, the cost is saved, and the space occupied by the lifting mechanism 100 is reduced.

Fixed bolster 6 and shell 11 fixed connection, and fixed bolster 6 cover is located and is born outside 2 in the lift, and fixed bolster 6 has dodge the hole 62, and the lift bears the thing 2 and runs through dodge the hole 62 to bear the effect that 2 played the support in the lift, bear the gliding stability of thing 2 for base 12 in the lift with the improvement.

As shown in fig. 1, the bottom of the housing 11 is provided with four mounting posts 113, as shown in fig. 5, the corners of the fixing bracket 6 are provided with four threaded mounting holes 61, the threaded mounting holes 61 are four, the threaded fasteners can penetrate through the threaded mounting holes 61 to connect with the mounting posts 113, and the fixing bracket 6 and the mounting posts 113 can be fixedly connected through the four threaded fasteners, so that the fixing bracket 6 can stably support the lifting bearing member 2.

As shown in fig. 2, the driving mechanism 3 includes a power source 31 and a transmission mechanism 32, both the power source 31 and the transmission mechanism 32 are installed on the base 12, wherein the power source 31 is fixedly connected to the base 12, for example, the power source 31 may be fixedly connected to the upper end of the base 12 through a plurality of threaded fasteners, so as to ensure that the power source 31 has a stable output environment. As shown in fig. 7, four fixing posts 123 are provided at the upper end of the base 12, and the fixing posts 123 are provided with internal threaded holes, so that the power source 31 can be fixedly mounted on the base 12 by four threaded fasteners.

As shown in fig. 2, the output end of the power source 31 is connected to the transmission mechanism 32, wherein the transmission mechanism 32 can be a first-stage speed reduction mechanism, a second-stage speed reduction mechanism, or a third-stage speed reduction mechanism, and can be flexibly selected according to actual requirements, so that the driving force output by the power source 31 can be transmitted in different directions, and has the effects of speed reduction and torque increase, and the lifting bearing member 2 can be lifted smoothly and accurately.

As shown in fig. 2, the transmission mechanism 32 has an output gear 3222, the output gear 3222 extends in the horizontal direction, the inner wall surface of the lifting carrier 2 has a transmission rack, the transmission rack extends in the up-down direction, and the output gear 3222 is engaged with the transmission rack, so that after the driving force output by the power source 31 is transmitted to the output gear 3222, the output gear 3222 rotates and drives the output rack to move in the up-down direction, so that the output rack drives the lifting carrier 2 to move in the up-down direction integrally, thereby achieving the lifting of the vehicle-mounted device 101.

Wherein, power supply 31 is driving motor, and driving motor's motor shaft is equipped with motor gear 311, and motor gear 311 can be integrated as an organic whole with the motor shaft to make the two have great joint strength, guarantee the effective transmission of power.

As shown in fig. 2, the transmission mechanism 32 includes a first transmission shaft 321 and a second transmission shaft 322.

The first transmission shaft 321 is rotatably supported on the base 12, the first support frame 121 is disposed on the upper end surface of the base 12, for example, two ends of the first transmission shaft 321 are respectively supported on the first support frame 121 through two bearings, so that the first transmission shaft 321 and components thereon can rotate relative to the base 12, as shown in fig. 2, the first transmission shaft 321 is provided with a transmission worm 3211 and a first input gear 3212, and the first input gear 3212 is engaged with the motor gear 311, so that the driving force output by the driving motor is transmitted to the first input gear 3212 through the motor gear 311 and then transmitted to the transmission worm 3211.

The second transmission shaft 322 is rotatably supported on the base 12, the upper end surface of the base 12 is provided with a second supporting frame 122, for example, two ends of the second transmission shaft 322 are respectively supported on the second supporting frame 122 through two bearings, so that the second transmission shaft 322 and components thereon can rotate relative to the base 12, as shown in fig. 2, the second transmission shaft 322 and the first transmission shaft 321 are vertically arranged, the second transmission shaft 322 is provided with an output gear 3222 and a second input gear 3221, and the second input gear 3221 is in power coupling with the transmission worm 3211. In this way, the driving force output by the driving motor sequentially passes through the motor shaft, the motor gear 311, the first input gear 3212, the transmission worm 3211, the second input gear 3221, and the output gear 3222, and is finally output to the transmission rack through the output gear 3222, so that the transmission rack drives the lifting carrier 2 to move in the up-and-down direction, thereby achieving the lifting of the vehicle-mounted device 101. And when the vehicle-mounted equipment 101 rises to the top, the lifting bearing piece 2 and the vehicle-mounted equipment 101 cannot automatically fall down even if the power is off due to the self-locking property of the worm gear and the worm.

In a specific implementation, gears and worms with different sizes can be selectively replaced according to actual needs, so that the driving mechanism 3 can output driving forces with different speed ratios, and the lifting speeds of the lifting carrier 2 and the vehicle-mounted equipment 101 are adjusted, which is convenient for practical application.

Wherein, the periphery wall of base 12 and the internal perisporium that holds carrier 2 goes up and down pass through guiding mechanism sliding fit, and guiding mechanism is the multiunit, and multiunit guiding mechanism separates the setting, and guiding mechanism extends along upper and lower direction to make lift hold carrier 2 and base 12 along upper and lower direction sliding fit steadily.

In some embodiments, each set of two guide mechanisms is arranged oppositely along the longitudinal direction or the transverse direction. Wherein the guide mechanism comprises a guide rail 51 and a guide groove 52, the guide rail 51 can be provided on one of the elevating carrier 2 and the base 12, and the guide groove 52 is provided on the other of the elevating carrier 2 and the base 12. If the guide rail 51 is provided on the elevating carrier 2 and the guide groove 52 is provided on the base 12, or if the guide rail 51 is provided on the base 12 and the guide groove 52 is provided on the elevating carrier 2.

As shown in fig. 7, two outer sidewalls of the base 12 along the first direction are both provided with guide rails 51 protruding outward, and two inner sidewalls of the lifting carrier 2 along the first direction are provided with guide grooves 52 recessed outward as shown in fig. 3, so that the base 12 and the lifting carrier 2 are in sliding fit through two guide mechanisms spaced apart along the first direction, and the two guide mechanisms are arranged right opposite to each other along the first direction, thereby the sliding fit force between two sides of the lifting carrier 2 and the base 12 is uniform, and the lifting process of the lifting carrier 2 is more stable.

As shown in fig. 7, two outer sidewalls of the base 12 along the second direction are provided with inwardly recessed guide grooves 52, one outer sidewall of the two outer sidewalls is provided with one guide groove 52, the other outer sidewall is provided with two guide grooves 52 spaced apart along the first direction, as shown in fig. 3, two inner sidewalls of the lifting carrier 2 along the second direction are provided with inwardly protruding guide rails 51, one inner sidewall of the two inner sidewalls is provided with one guide rail 51, the other inner sidewall is provided with two guide rails 51 spaced apart along the first direction, and the guide grooves 52 of the base 12 correspond to the guide rails 51 of the lifting carrier 2 one to one.

From this, the base 12 and the lift carrier 2 are through five spaced apart guiding mechanism sliding fit to make base 12 and lift carrier 2 all support through the guiding mechanism slip in a plurality of positions, strengthen the ride comfort and the stability that lift carrier 2 goes up and down, guarantee that on-vehicle equipment 101 stretches out smoothly or receives and put. The first direction may be a transverse direction and the second direction may be a longitudinal direction, or the first direction may be a longitudinal direction and the second direction may be a transverse direction.

In some embodiments, as shown in fig. 6, the pretensioning mechanisms 4 comprise two sets of pretensioning mechanisms 4, the two sets of pretensioning mechanisms 4 are respectively disposed on two sides of the lifting carrier 2, and the two sets of pretensioning mechanisms 4 are disposed opposite to each other.

As shown in fig. 4, the pre-tightening mechanism 4 includes two side plates 43 and a middle plate 44, the two side plates 43 are disposed opposite to each other, two ends of the middle plate 44 are respectively connected to the middle portions of the two side plates 43, one end of the elastic member 41 is connected to the middle portion of the middle plate 44, the sides of the first ends of the two side plates 43 that face away from each other are provided with pivot shafts 431, and the second ends of the two side plates 43 are connected to each other through a connecting rod 45. As shown in fig. 1, two connecting lugs 111 are provided on the inner wall of the housing 11, the two connecting lugs 111 are disposed opposite to each other, and as shown in fig. 1, a support platform 112 is provided below the two connecting lugs 111.

During specific assembly, the two pivot shafts 431 are respectively rotatably connected with the two connecting lugs 111, the side plate 43 and the middle plate 44 can rotate relative to the housing 11, the first end of the elastic element 41 is connected to the middle part of the middle plate 44, the second end of the elastic element 41 is pressed against the support platform 112, so that the pre-tightening mechanism 4 tends to rotate around one end of the pre-tightening mechanism, the connecting rod 45 is pressed against the inside of the housing 11 of the lifting carrier 2, the outer part of the lifting carrier 2 is stressed, the inner wall surface of the lifting carrier 2 is in sliding fit with the outer peripheral wall of the base 12 more tightly, and the contact with the output gear 3222 of the driving mechanism 3 is more stable, so that the lifting mechanism 100 can be ensured to lift smoothly, and the vehicle-mounted device 101 can.

In some embodiments, as shown in fig. 3, the outer circumferential wall of the lifting carrier 2 is provided with a pre-tightening rack 22, the pre-tightening rack 22 extends in the vertical direction, as shown in fig. 4, the other end of the pre-tightening mechanism 4 is provided with a pre-tightening gear 42, for example, the connecting rod 45 is provided with a pre-tightening gear 42, the pre-tightening gear 42 rotates relative to the side plate 43, and the pre-tightening gear 42 is engaged with the pre-tightening rack 22, so that the pre-tightening gear 42 is always tightly pressed against the pre-tightening rack 22 during the lifting of the lifting carrier 2, and the stability of the operation of.

In other embodiments, the outer circumferential wall of the lifting bearing part 2 is provided with a sliding groove extending in the up-down direction, and the other end of the pre-tightening mechanism 4 is provided with a roller, such as the connecting rod 45, which is suitable for rolling in the sliding groove and always and effectively pressing against the inner wall of the sliding groove, thereby improving the operation stability of the lifting bearing part 2.

The present application further provides a vehicle.

According to the vehicle of the embodiment of the application, the lifting mechanism 100 of the vehicle-mounted device 101 of the embodiment is arranged, the lifting mechanism 100 can realize stable lifting of the vehicle-mounted device 101, when the vehicle-mounted device 101 is retracted, the interior of the whole vehicle is not affected, extra space is not occupied, and the use by a user is facilitated.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A lifting mechanism of a vehicle-mounted device is characterized by comprising:

a housing assembly having one end open;

the lifting bearing piece is slidably mounted on the shell assembly and provided with a mounting position for mounting the vehicle-mounted equipment;

the driving mechanism is fixedly connected with the shell assembly and is in power coupling connection with the lifting bearing piece so as to drive the lifting bearing piece and the shell assembly to slide relatively;

one end of the pre-tightening mechanism is pivotally connected with the shell assembly, and the pre-tightening mechanism is provided with an elastic piece which elastically abuts against the shell assembly so that the other end of the pre-tightening mechanism presses the lifting bearing piece.

2. The lifting mechanism of vehicle-mounted equipment according to claim 1, wherein the housing assembly comprises a housing and a base, the base is fixedly mounted at the bottom of the housing, the driving mechanism is supported on the base, the lifting carrier is box-shaped, the lifting carrier is disposed in the housing and covers the driving mechanism and the base, the lifting carrier is slidably engaged with the base, and the pre-tightening mechanism is disposed between the housing and the lifting carrier.

3. The lifting mechanism of vehicle-mounted equipment according to claim 2, wherein the driving mechanism includes a power source and a transmission mechanism, the power source and the transmission mechanism are both mounted on the base, an output end of the power source is connected to the transmission mechanism, the transmission mechanism has an output gear, an inner wall surface of the lifting carrier has a transmission rack extending in an up-down direction, and the output gear is engaged with the transmission rack.

4. The lifting mechanism of the in-vehicle apparatus according to claim 3, wherein the power source is a driving motor, and a motor shaft of the driving motor is provided with a motor gear, and the transmission mechanism includes:

the first transmission shaft is rotatably supported on the base and is provided with a transmission worm and a first input gear meshed with the motor gear;

the second transmission shaft is rotatably supported on the base, and the second transmission shaft is provided with the output gear and a second input gear which is in power coupling with the transmission worm.

5. The lifting mechanism of the in-vehicle apparatus according to claim 2, wherein an outer peripheral wall of the base and an inner peripheral wall of the lift carrier are slidably fitted by a plurality of sets of spaced-apart guide mechanisms extending in an up-down direction.

6. The lifting mechanism of the vehicle-mounted device according to claim 5, wherein each set of the guide mechanisms comprises two guide mechanisms, and the two guide mechanisms are arranged opposite to each other in the longitudinal direction or the transverse direction.

7. The lifting mechanism of the vehicle-mounted device according to any one of claims 1 to 6, wherein the pre-tightening mechanisms comprise two groups, the two groups of pre-tightening mechanisms are respectively arranged on two sides of the lifting bearing member, and the two groups of pre-tightening mechanisms are arranged oppositely.

8. The lifting mechanism for vehicle-mounted equipment according to claim 7, wherein the outer peripheral wall of the lifting carrier is provided with a pre-tightening rack extending in the up-down direction, and the other end of the pre-tightening mechanism is rotatably provided with a pre-tightening gear engaged with the pre-tightening rack.

9. The lifting mechanism for vehicle-mounted equipment according to claim 7, wherein the outer peripheral wall of the lifting carrier is provided with a slide groove extending in the up-down direction, and the other end of the pretensioner mechanism is rotatably provided with a roller adapted to roll in the slide groove.

10. A vehicle characterized by being provided with the lifting mechanism of the in-vehicle apparatus according to any one of claims 1 to 9.