CN215516480U - Jack for motor home - Google Patents

Abstract

The utility model discloses a jack for a motor home, which comprises: the barrel is used for supporting the installation of other components; the bearing disc is fixedly arranged at the top end of the cylinder body; the limiting component comprises two sliding rails and two sliding blocks, the two sliding rails are horizontally and relatively fixedly arranged on the upper surface of the bearing disc, and the two sliding blocks are respectively arranged on the two sliding rails in a sliding manner; the adjusting component comprises a turntable, two connecting rods, two supporting rods, a support column and a sleeve, the turntable is fixedly arranged at the top end of the support column, two arc-shaped sliding openings are formed in the upper surface of the turntable, the two connecting rods are respectively and fixedly connected with the two sliding blocks, and the two supporting rods are respectively and vertically and fixedly arranged on the upper surfaces of the two connecting rods; and the driving part is used for driving the turntable to rotate. According to the utility model, the distance between the limiting parts is adjusted, so that the limiting parts are tightly attached to the folded edges of various vehicles, and the practicability of the device is improved.

Description

Jack for motor home

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to a jack for a motor home.

Background

Along with the improvement of people's standard of living, the car as a house has walked into thousands of households, and like many vehicles, the car as a house can put the jack in the toolbox, and the jack is a lifting device, when the vehicle needs to be repaired, can jack up the vehicle, makes things convenient for repair personnel to overhaul vehicle chassis, and the jack volume is less, and it is comparatively convenient to carry.

The top of current jack can be had the recess usually, when carrying out the jacking operation to the vehicle, cooperates the hem of recess and vehicle bottom surface, under the effect of recess, the vehicle can not take place the displacement on the horizontal direction, and the vehicle is different, and its hem specification and size can differ, and most jack recesses are fixed unadjustable at present, can not carry out good the matching with multiple specification and size's hem, cause the damage for the vehicle surface easily, and to a great extent has reduced the practicality of jack.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that in the prior art, the top end of the existing jack is usually provided with a groove, when a vehicle is jacked, the groove is matched with a hem on the bottom surface of the vehicle, the vehicle cannot be displaced in the horizontal direction under the action of the groove, the hem specifications and sizes of different vehicles can be different, the grooves of most of the existing jacks are fixed and cannot be adjusted, the jack cannot be well matched with hems of various specifications and sizes, the surface of the vehicle is easily damaged, and the practicability of the jack is greatly reduced.

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

a jack for a recreational vehicle, comprising:

a barrel for lifting a vehicle and supporting the installation of other components;

the bearing plate is used for bearing the weight of a vehicle and is fixedly arranged at the top end of the cylinder body;

the limiting component is used for limiting the horizontal position of a vehicle and comprises two sliding rails and two sliding blocks, the two sliding rails are horizontally and relatively fixedly arranged on the upper surface of the bearing plate, sliding grooves are horizontally formed in the front side surface and the rear side surface of the bearing plate, and the two sliding blocks are respectively arranged on the two sliding rails in a sliding mode through the sliding grooves;

the adjusting part is used for adjusting the distance between the two sliding blocks and comprises a rotary disc, two connecting rods, two supporting rods, a supporting column and a sleeve, the sleeve is vertically and fixedly arranged in the center of the upper surface of the bearing disc, the supporting column is rotatably sleeved in the sleeve, the rotary disc is fixedly arranged at the top end of the supporting column, two arc-shaped sliding openings are formed in the upper surface of the rotary disc, two ends, far away from each other, of the two connecting rods are fixedly connected with one surfaces, close to the two sliding blocks, of the two sliding blocks respectively, and the two supporting rods are vertically and fixedly arranged on the upper surfaces of the two connecting rods and are arranged in the two sliding openings in a sliding mode respectively;

and the driving part is used for driving the turntable to rotate.

Preferably, the driving part comprises a worm wheel and a worm, the worm wheel is fixedly sleeved on the support column, the upper surface of the bearing disc is fixedly provided with two convex blocks, and the worm is rotatably sleeved in the two convex blocks and is meshed with the worm wheel.

Preferably, the top ends of the two sliding blocks are hinged with limiting blocks through pin shafts.

Preferably, the two support rods are rotatably provided with rollers, and the two rollers are respectively in rolling contact with the two slide port walls.

Preferably, one end of the worm penetrates out of the convex block, the rotating wheel is fixedly sleeved with the worm, and an anti-slip layer is fixedly installed on the outer arc surface of the rotating wheel.

Preferably, the two limiting blocks are fixedly provided with a protective layer on the surface close to each other.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the vehicle is lifted, the two sliding blocks are driven to be away from or close to each other through the driving part, and the limiting part can be better matched with the folded edge by adjusting the folded edge according to the vehicle to be lifted;

2. through the cooperation of two articulated stoppers and hem, can make two stoppers automatically adjust according to the shape of hem, make the area of contact maximize of hem and stopper, further promote stability.

Drawings

Fig. 1 is a schematic front perspective view of a lifting jack for a caravan according to the present invention;

fig. 2 is a schematic top perspective view of a lifting jack for a caravan according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

fig. 4 is a partially enlarged view of B in fig. 2.

In the figure: the device comprises a barrel body 1, a bearing disc 2, a sliding rail 3, a sliding block 4, a sliding groove 5, a rotating disc 6, a connecting rod 7, a supporting rod 8, a supporting column 9, a sleeve 10, a sliding opening 11, a worm wheel 12, a worm 13, a convex block 14, a limiting block 15 and a roller 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The terms "upper", "lower", "left", "right", "middle" and "one" used in the present invention are for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the modifications may be regarded as the scope of the present invention without substantial technical change.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 4, a lifting jack for a recreational vehicle includes:

the device comprises a barrel body 1, wherein the barrel body 1 is used for lifting a vehicle and supporting the installation of other components;

the bearing plate 2 is used for bearing the weight of a vehicle, and the bearing plate 2 is fixedly arranged at the top end of the cylinder body 1;

the limiting component is used for limiting the horizontal position of a vehicle and comprises two sliding rails 3 and two sliding blocks 4, the two sliding rails 3 are horizontally and relatively fixedly arranged on the upper surface of the bearing plate 2, sliding grooves 5 are horizontally formed in the front side surface and the rear side surface of the bearing plate, and the two sliding blocks 4 are respectively arranged on the two sliding rails 3 in a sliding mode through the sliding grooves 5;

the adjusting part is used for adjusting the distance between the two sliding blocks 4 and comprises a rotary table 6, two connecting rods 7, two supporting rods 8, a supporting column 9 and a sleeve 10, the sleeve 10 is vertically and fixedly installed in the center of the upper surface of the bearing disc 2, the supporting column 9 is rotatably sleeved in the sleeve 10, the rotary table 6 is fixedly installed at the top end of the supporting column 9, two arc-shaped sliding openings 11 are formed in the upper surface of the rotary table, two ends, far away from each other, of the two connecting rods 7 are fixedly connected with one surfaces, close to the two sliding blocks 4, of the two sliding blocks respectively, and the two supporting rods 8 are respectively vertically and fixedly installed on the upper surfaces of the two connecting rods 7 and are respectively and slidably installed in the two sliding openings 11;

and the driving component is used for driving the rotating disc 6 to rotate.

In the embodiment applying the technical scheme, an operator can adjust the distance between the two sliding blocks 4 in the limiting part according to the specification and the size of the hem of the vehicle to be lifted, the driving part is rotated, the driving part can drive the supporting column 9 to rotate, the rotating column 9 can drive the rotating disc 6 to rotate, the rotating disc 6 can drive the two supporting rods 8 to be away from or close to each other through the two sliding ports 11 positioned on the rotating disc, when the two supporting rods 8 are close to each other, the two supporting rods 8 respectively drive the two connecting rods 7 to be close to each other, the two connecting rods 7 respectively drive the two sliding blocks 4, the two sliding blocks 4 are mutually and slidably close to each other under the support of the two sliding rails 3, so that the distance between the two sliding blocks 4 is reduced, when the two supporting rods 8 are far away from each other, the two connecting rods 7 are respectively driven by the two supporting rods 8 to be away from each other, the two sliding blocks 4 are respectively driven by the two connecting rods 7, two sliders 4 are under the support of two slide rails 3, and mutual slip is kept away from to make the distance grow between two sliders 4, can make the distance between two sliders 4 adjust according to the hem through this kind of mode, avoid laminating not firm, bring the damage for the vehicle, promoted the practicality of device.

The preferred technical scheme in this embodiment, drive assembly includes worm wheel 12 and worm 13, worm wheel 12 is fixed to be cup jointed on pillar 9, bearing disc 2 upper surface fixed mounting has two lugs 14, worm 13 rotates the cover and establishes in two lugs 14, and be connected with worm wheel 12 meshing, in this design, rotate worm 13, worm 13 orders about worm wheel 12 and rotates, worm wheel 12 drives pillar 9 and rotates, pillar 9 drives carousel 6 and rotates, the auto-lock characteristic of worm wheel 12 and worm 13 can lock carousel 6 simultaneously, can prevent at the lift in-process, two sliders 4 produce the removal, moreover, the steam generator is simple in structure, and is practical and reliable.

In the preferred technical scheme of this embodiment, two 4 tops of slider all articulate through the round pin axle has stopper 15, and this design is in order to make two stopper 15 carry out the rotation according to the shape of hem, makes stopper 15 and the area of contact increase of hem, promotes stability.

In the preferred technical scheme in this embodiment, the rollers 16 are rotatably mounted on the two support rods 8, and the two rollers 16 are respectively in rolling contact with the opening walls of the two sliding openings 11, so that the sliding contact between the two support rods 8 and the opening walls of the two sliding openings 11 is converted into rolling friction between the two rollers 16 and the opening walls of the two sliding openings 11, thereby reducing friction force and abrasion.

In the preferred technical scheme in this embodiment, one end of the worm 13 penetrates through the bump 14, and is fixedly sleeved with the rotating wheel, and the outer arc surface of the rotating wheel is fixedly provided with the anti-slip layer, which is designed to facilitate the rotation of the worm 13 by an operator.

In the preferred technical scheme of this embodiment, the equal fixed mounting in the face that two stopper 15 are close to each other has the inoxidizing coating, and this design is to avoid taking place the scraping between two stopper 15 and the vehicle, and the inoxidizing coating can protect the vehicle, hoisting device's reliability.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. A jack for a motor home, comprising:

the cylinder body (1), the cylinder body (1) is used for lifting vehicles and supporting the installation of other components;

the bearing plate (2), the bearing plate (2) is used for bearing the weight of a vehicle, and the bearing plate (2) is fixedly arranged at the top end of the cylinder body (1);

the limiting component is used for limiting the horizontal position of a vehicle and comprises two sliding rails (3) and two sliding blocks (4), the two sliding rails (3) are horizontally and relatively fixedly mounted on the upper surface of the bearing disc (2), the front side surface and the rear side surface of the bearing disc are provided with sliding grooves (5), and the two sliding blocks (4) are respectively mounted on the two sliding rails (3) in a sliding mode through the sliding grooves (5);

the adjusting part is used for adjusting the distance between the two sliding blocks (4), and comprises a turntable (6), two connecting rods (7), two supporting rods (8), a supporting column (9) and a sleeve (10), wherein the sleeve (10) is vertically and fixedly installed in the center of the upper surface of the bearing disc (2), the supporting column (9) is rotatably sleeved in the sleeve (10), the turntable (6) is fixedly installed at the top end of the supporting column (9), two arc-shaped sliding openings (11) are formed in the upper surface of the supporting column, two ends, far away from each other, of the two connecting rods (7) are fixedly connected with one surfaces, close to the two sliding blocks (4), of the two sliding blocks respectively, and the two supporting rods (8) are vertically and fixedly installed on the upper surfaces of the two connecting rods (7) respectively and are slidably installed in the two sliding openings (11) respectively;

a drive member for driving the turntable (6) to rotate.

2. The lifting jack for the caravan, as claimed in claim 1, wherein the driving member comprises a worm wheel (12) and a worm (13), the worm wheel (12) is fixedly sleeved on the pillar (9), two convex blocks (14) are fixedly mounted on the upper surface of the bearing plate (2), and the worm (13) is rotatably sleeved in the two convex blocks (14) and is meshed with the worm wheel (12).

3. The jack for the motor home as claimed in claim 1, wherein the top ends of the two sliding blocks (4) are hinged with a limiting block (15) through a pin shaft.

4. A jack for caravans, according to claim 1, characterized in that both said struts (8) are rotatably mounted with rollers (16), said rollers (16) being in rolling contact with the respective walls of the two slide openings (11).

5. The jack for motor home as claimed in claim 2, wherein one end of the worm (13) penetrates through the projection (14) and is fixedly connected with a rotating wheel, and an anti-slip layer is fixedly arranged on the outer arc surface of the rotating wheel.

6. The lifting jack for the caravan, according to claim 3, wherein a protective layer is fixedly mounted on the surface of each of the two limiting blocks (15) close to each other.

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