CN116495655A - Chassis height-adjustable horizontal jack - Google Patents

Abstract

The utility model relates to a chassis height-adjustable horizontal jack relates to jack technical field, and it includes the base, sets up in the tray of base, the base both sides all are provided with the elevating socket, every the elevating socket slides and is connected with a plurality of movable blocks, the two liang of group of movable blocks set up and all incline and are provided with first propelling movement face, and the first propelling movement face of two movable blocks of group sets up relatively, the base lateral wall is provided with the butt piece, every the butt piece is located between two movable blocks of group, the butt piece slope is provided with two second propelling movement faces, two sides the second propelling movement face sets up on the back of the body mutually, second propelling movement face butt is in correspondence to first propelling movement face, the elevating socket is provided with the drive assembly that the drive movable block removed, and two movable blocks of group are close to each other or keep away from the removal through drive assembly, two be fixed with the connecting plate between the elevating socket. This application has the effect that promotes the commonality of jack.

Description

Chassis height-adjustable horizontal jack

Technical Field

The application relates to the technical field of jacks, in particular to a horizontal jack with an adjustable chassis height.

Background

The jack plays a role in lifting and supporting when the vehicle is repaired, and is one of important tools for repairing the vehicle.

The horizontal jack is one of the common jacks in vehicle maintenance, and when in use, the jack is pushed into a designated area below a vehicle, and then the jack tray is lifted to prop up the vehicle. However, the chassis heights of different vehicle types are different, for example, the chassis heights of a sports car and an SUV are greatly different, so that jacks with different strokes are generally required to be adopted or the trays of the jacks are lifted to reach a designated height by a plurality of times, thereby reducing the universality of single jacks.

Disclosure of Invention

In order to improve the universality of the jack, the application provides a horizontal jack with an adjustable chassis height.

The application provides a chassis height adjustable horizontal jack adopts following technical scheme:

the utility model provides a chassis height-adjustable horizontal jack, includes the base, sets up in the tray of base, the base both sides all are provided with the lifting seat, every the lifting seat slides and is connected with a plurality of movable blocks, two liang of group of movable blocks set up and all incline and are provided with first propelling movement face, the first propelling movement face of two movable blocks of group sets up relatively, the base lateral wall is provided with the butt piece, every the butt piece is located between two movable blocks of group, the butt piece slope is provided with two second propelling movement faces, two the second propelling movement face sets up in opposite directions, second propelling movement face butt is in corresponding first propelling movement face, the lifting seat is provided with the drive assembly that the drive movable block removed, two movable blocks of group are close to each other or keep away from the removal through drive assembly, two be fixed with the connecting plate between the lifting seat.

Through adopting above-mentioned technical scheme, drive assembly drive movable block removes, and when the movable block of group is close to each other, upwards pushes the butt piece through the direction of first propelling movement face and second propelling movement face to drive base and tray and carry out the lifting, otherwise, when the movable block of group is kept away from each other, drive base and tray and descend, thereby realize the adjustment of interval between tray and the vehicle chassis, promote the commonality of jack, applicable vehicle that the chassis is high different.

Optionally, the drive assembly is including rotating the threaded rod that is connected in the connecting plate, being fixed in the connecting plate and deviating from the driving motor of tray one end, coaxial first bevel gear that is fixed in driving motor output shaft, coaxial second bevel gear that is fixed in the threaded rod and is close to driving motor one end, rotate the dwang that is connected in the connecting plate and coaxial third bevel gear that is fixed in dwang both ends, first bevel gear and third bevel gear meshing, second bevel gear and the other third bevel gear meshing of same dwang, the screw thread of threaded rod divide into a plurality of sections and adjacent two sections screw thread opposite direction, the threaded rod screw thread wears to locate the movable block, every the movable block corresponds one section screw thread setting.

Through adopting above-mentioned technical scheme, driving motor rotates, drives the dwang through the conduction of first bevel gear and third bevel gear and rotates, and the dwang rotates and drives the threaded rod through the conduction of third bevel gear and second bevel gear and rotate, and each section screw thread direction of threaded rod is different for the movable block of group can be close to each other or keep away from the removal.

Optionally, the guide groove is set on the first pushing surface of the moving block, the guide block is fixed on the second pushing surface of the abutting block, and the guide block is slidingly connected in the guide groove.

Through adopting above-mentioned technical scheme, the guide block cooperates with the guide way, prescribes a limit to the direction of removal between first propelling movement face and the second propelling movement face, and makes the promotion of movable block to the butt piece more stable.

Optionally, the base is located the one end that is close to the tray and is provided with U type frame, the base both sides rotate and are connected with the dwang, the spout has been seted up to the dwang, the both ends of U type frame slide respectively and connect in the spout of both sides dwang, the direction is provided with the guide bar along the spout seting up in the spout, the guide bar wears to locate U type frame tip, the guide bar cover is equipped with first spring, the one end of first spring is fixed in U type frame tip, and the other end is fixed in the spout lateral wall, the one end that U type frame was kept away from to the spout is provided with contact switch, the base lateral wall is provided with the controller, contact switch is connected with the controller electricity, the controller is connected with the driving motor electricity, U type frame tip is provided with the contact bar that triggers contact switch and use.

Through adopting above-mentioned technical scheme, the base rises for U type frame butt in vehicle chassis, then the base continuously rises, and the position of U type frame remains unchanged, makes contact lever and contact switch slowly be close to, and finally the contact lever butt is in contact switch and trigger contact switch, and control driving motor stops rotating after the controller received the signal, makes the base no longer rise, thereby adjusts the interval between tray and the vehicle chassis.

Optionally, the base is located one side of turning block and is provided with the fixed block, the push rod is worn to be equipped with by the fixed block level, the push rod slides and connects in the fixed block, the one end that the push rod is close to the turning block is provided with the ejector pad, the one end that the turning block was kept away from to the push rod is provided with the stopper, the ejector pad cover is equipped with the second spring, the ejector pad is fixed in to one end of second spring, and the fixed block lateral wall is fixed in to the other end, the ejector pad butt is in the turning rod lateral wall, one side that the U type frame is close to the push rod is fixed with the sliding block, the base lateral wall is fixed with the fixing base, the sliding tray has been seted up to the fixing base, the sliding block slides and connects in the sliding tray, the sliding block all is the dovetailed rotating setting with the cross section of sliding tray, the inclined plane has all been seted up with the lower extreme of fixing base to the upper end of sliding block, two inclined planes are parallel arrangement each other.

Through adopting above-mentioned technical scheme, the sliding block slides in the sliding tray, when the contact lever triggered contact switch, the sliding block was slipped off the sliding tray, and the push rod passes through the elasticity promotion dwang rotation of second spring with the ejector pad, and the dwang rotates and drives U type rotation to make U type frame leave the tray top, prevent that U type frame from influencing the tray and hold up vehicle chassis.

Optionally, the upper end of the U-shaped frame is provided with a supporting rod, and one end of the supporting rod, which is away from the U-shaped frame, is connected with a steel ball in a rolling way.

By adopting the technical scheme, the steel balls reduce the friction force between the abutting rod and the chassis of the vehicle, so that the U-shaped frame can conveniently rotate along with the rotating block when the pushing block pushes the rotating block.

Optionally, the sliding groove has been seted up to the movable block lateral wall, the lifting seat is fixed with the strip that slides towards one side of movable block, the strip that slides cooperates with the sliding groove that slides.

Through adopting above-mentioned technical scheme, the slip strip slides the cooperation with the groove that slides, and the movable block can slide along slip strip length direction, has limited the slip direction of movable block and has promoted the stability when the movable block removes.

Optionally, one side of lifting seat deviating from the base rotates and is connected with a plurality of gyro wheels.

By adopting the technical scheme, the installation roller is convenient for the movement of the jack.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving assembly drives the moving blocks to move, when the groups of moving blocks are close to each other, the abutting blocks are pushed upwards through the guidance of the first pushing surface and the second pushing surface, so that the base and the tray are driven to lift, otherwise, when the groups of moving blocks are far away from each other, the base and the tray are driven to descend, so that the adjustment of the distance between the tray and the chassis of the vehicle is realized, and the universality of the jack is improved;

2. the group of moving blocks can be driven to move close to or away from each other by one driving motor, so that energy sources are saved;

3. the base rises to make U type frame butt in vehicle chassis, and then the base keeps rising, and the position of U type frame keeps unchanged for the contact lever is close to slowly with contact switch, and finally the contact lever butt in contact switch and trigger contact switch, and control driving motor stops rotating after the controller received the signal, makes the base no longer rise, thereby adjusts the interval between tray and the vehicle chassis.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a moving block and an abutting block in an embodiment of the present application.

Fig. 3 is a schematic structural view of a driving assembly according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of the moving block and the abutting block according to another embodiment of the present application.

Fig. 5 is a schematic structural view of a U-shaped frame according to an embodiment of the present application.

Reference numerals illustrate:

1. a base; 2. a tray; 3. a lifting seat; 4. a moving block; 5. a first pushing surface; 6. an abutment block; 7. a second pushing surface; 8. a drive assembly; 81. a threaded rod; 82. a driving motor; 83. a first bevel gear; 84. a second bevel gear; 85. a rotating lever; 86. a third bevel gear; 9. a connecting plate; 10. a roller; 11. a guide groove; 12. a guide block; 13. a slip groove; 14. a slip bar; 15. a U-shaped frame; 16. a rotating block; 17. a chute; 18. a guide rod; 19. a first spring; 20. a contact switch; 21. a contact lever; 22. a fixed block; 23. a push rod; 24. a pushing block; 25. a limiting block; 26. a second spring; 27. a sliding block; 28. a fixing seat; 29. a sliding groove; 30. an inclined plane; 31. a butt joint rod; 32. and (5) steel balls.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses chassis height-adjustable horizontal jack, refer to fig. 1 and 2, including base 1, set up in the tray 2 of base 1, the both sides of base 1 all are provided with lift seat 3, every lift seat 3 slides and is connected with four movable blocks 4, two liang of group formation two sets of four movable blocks 4, and two sets of movable blocks 4 are located respectively and are close to the both ends setting of lift seat 3, the upper end of movable block 4 has all been the slope and has been seted up first propelling movement face 5, first propelling movement face 5 is the slope setting, the first propelling movement face 5 of two movable blocks 4 of group sets up relatively. Two abutting blocks 6 are welded on one side wall of the base 1 facing the lifting seat 3, the two abutting blocks 6 are respectively positioned between the two moving blocks 4 in groups, two second pushing surfaces 7 are obliquely arranged on the abutting blocks 6, the two second pushing surfaces 7 positioned on the same abutting block 6 are oppositely arranged, and each second pushing surface 7 abuts against the corresponding first pushing surface 5. The lifting seat 3 is provided with a driving component 8 for driving the moving blocks 4 to move, and the two moving blocks 4 in groups move close to or away from each other through the driving component 8. When the two moving blocks 4 are close to each other, relative displacement is generated between the first pushing surface 5 and the second pushing surface 7, so that the abutting block 6 is pushed upwards, and the height of the jack tray 2 is raised; when two movable blocks 4 keep away from each other, because gravity base 1 descends with butt piece 6 is synchronous to reduce the height of jack tray 2, thereby make the interval between tray 2 and the vehicle chassis adjustable, promote the commonality of jack. A connecting plate 9 is welded between the two lifting seats 3, so that the two lifting seats 3 are more stable. One side of the lifting seat 3, which is away from the base 1, is rotatably connected with a plurality of rollers 10, so that the jack can move conveniently.

Referring to fig. 2 and 3, the driving assembly 8 includes a threaded rod 81 rotatably connected to the connection plate 9 through a bearing, a driving motor 82 fixed to one end of the connection plate 9 facing away from the tray 2 through a screw, a first bevel gear 83 coaxially fixed to an output shaft of the driving motor 82 through a screw, a second bevel gear 84 coaxially fixed to one end of the threaded rod 81 near the driving motor 82 through a screw, a rotating rod 85 rotatably connected to the connection plate 9 through a bearing, and a third bevel gear 86 coaxially fixed to both ends of the rotating rod 85 through a screw, wherein the third bevel gears 86 at both ends of the rotating rod 85 are respectively engaged with the first bevel gear 83 and the second bevel gear 84, the driving motor 82 rotates to drive the rotating rod 85 to rotate through the conduction of the first bevel gear 83 and the third bevel gear 86, and the rotating rod 85 rotates to drive the threaded rod 81 to rotate through the conduction of the third bevel gear 86 and the second bevel gear 84. The thread of the threaded rod 81 is divided into four sections, the thread directions of two adjacent sections are opposite, the threaded rod 81 sequentially penetrates through the four moving blocks 4 in a threaded manner, and each moving block 4 corresponds to one section of thread. When the threaded rod 81 rotates, the two moving blocks 4 in the group move away from or toward each other due to the opposite directions of the threads of the adjacent two segments.

Referring to fig. 4, the moving block 4 is located on the first pushing surface 5 and provided with a guide groove 11, the length direction of the guide groove 11 is set along the inclined direction of the first pushing surface 5, the abutting block 6 is located on the second pushing surface 7 and welded with a guide block 12, the length direction of the guide block 12 is set along the inclined direction of the second pushing surface 7, and the guide block 12 is slidingly connected in the guide groove 11, so that the stability of the moving block 4 when pushing the abutting block 6 is improved, the position of the abutting block 6 is limited, and the base 1 is prevented from shifting in the lifting process.

Referring to fig. 2 and 4, a sliding groove 13 is formed in the side wall of the moving block 4, the cross section of the sliding groove 13 is in a dovetail shape, a sliding strip 14 is welded on one side of the lifting seat 3, which faces the moving block 4, the cross section of the sliding strip 14 is in a dovetail shape, the sliding strip 14 is in sliding fit with the sliding groove 13, the sliding direction of the moving block 4 is limited, and the stability of the moving block 4 during moving is improved.

Referring to fig. 1 and 5, a U-shaped frame 15 is provided at one end of the base 1 near the tray 2, two sides of the base 1 are hinged with rotating blocks 16, the rotating blocks 16 are provided with sliding grooves 17 with T-shaped cross sections, two ends of the U-shaped frame 15 are respectively connected in the sliding grooves 17 of the rotating blocks 16 at two sides of the base 1 in a sliding manner, two guide rods 18 are welded in the sliding grooves 17 along the opening direction of the sliding grooves 17, and the two guide rods 18 are respectively located at two sides of the sliding grooves 17. The guide rod 18 passes through the end of the U-shaped frame 15, the guide rod 18 is sleeved with a first spring 19, one end of the first spring 19 is welded at the end of the U-shaped frame 15, and the other end is welded at the side wall of the chute 17. The one end that spout 17 kept away from U type frame 15 is provided with contact switch 20, and U type frame 15 tip welding has the contact rod 21 that triggers contact switch 20 usefulness, and base 1 lateral wall is fixed with the controller through the screw, and contact switch 20 is connected with the controller electricity, and the controller is connected with driving motor 82 electricity. When the base 1 rises, the U-shaped frame 15 is firstly contacted with the chassis of the vehicle, then the base 1 continues to rise, the contact rod 21 slowly approaches the contact switch 20 and finally triggers the contact switch 20, and the controller receives a signal to control the driving motor 82 to stop rotating, so that the tray 2 is adjusted to a proper position. The first spring 19 prevents the U-shaped frame 15 from falling by gravity to directly trigger the contact switch 20.

Referring to fig. 1 and 5, a fixed block 22 is fixed on one side of a rotating block 16, which is close to a driving motor 82, by a screw, a push rod 23 is horizontally penetrated through the fixed block 22, the push rod 23 is slidably connected to the fixed block 22, a push block 24 is welded at one end of the push rod 23, which is close to the rotating block 16, a limiting block 25 is welded at one end of the push rod 23, which is far away from the rotating block 16, a second spring 26 is sleeved on the push rod 23, one end of the second spring 26 is welded to the push block 24, the other end is welded to the side wall of the fixed block 22, and the push block 24 is abutted to the side wall of the rotating block 16 by means of elasticity of the second spring 26. The sliding block 27 is welded on one side of the U-shaped frame 15, which faces the push rod 23, a fixed seat 28 is fixed on the side wall of the base 1 through screws, a sliding groove 29 is formed on one side of the fixed seat 28, which faces the rotating rod 85, the sliding block 27 is connected in the sliding groove 29 in a sliding manner, and the sections of the sliding block 27 and the sliding groove 29 are all in a dovetail shape. The upper end of the sliding block 27 and the lower end of the fixed seat 28 are both provided with inclined planes 30, the inclined planes 30 at the upper end of the sliding block 27 are arranged towards the fixed block 22, and the two inclined planes 30 are mutually parallel. When the base 1 continuously rises, the U-shaped frame 15 is abutted to the vehicle chassis and pushed by the vehicle chassis, the sliding block 27 slides along the sliding groove 29, when the contact rod 21 is in contact with the contact switch 20, the sliding block 27 is separated from the sliding groove 29, the push rod 23 pushes the rotating block 16 through the push block 24 by means of the elastic force of the second spring 26, so that the U-shaped frame 15 leaves above the tray 2, and the U-shaped frame 15 is prevented from interfering with the normal use of the jack. The inclined surface 30 prevents the sliding block 27 from being blocked with the fixed block 22 when the rotating block 16 rotates, so that the U-shaped frame 15 cannot rotate along with the rotating block 16. The middle part of the upper end of the U-shaped frame 15 is vertically provided with a supporting rod 31, one end of the supporting rod 31, which is away from the U-shaped frame 15, is connected with a steel ball 32 in a rolling way, and the steel ball 32 reduces the friction force between the supporting rod 31 and a vehicle chassis, so that the U-shaped frame 15 can smoothly leave the upper part of the tray 2 along with the rotation of the rotating block 16. If the height of the bottom plate of the vehicle is lower, the height of the base 1 does not need to be adjusted, the U-shaped frame 15 is manually laid down before the jack is pushed into the bottom of the vehicle, and the U-shaped frame 15 is prevented from blocking so that the jack cannot be pushed into the lower part of the vehicle. When the U-shaped frame 15 needs to be reset, the U-shaped frame 15 can be pushed to a vertical state manually, and the sliding block 27 enters the sliding groove 29 from the lower end of the sliding groove 29, so that the reset of the U-shaped frame 15 is completed.

The implementation principle of the embodiment of the application is as follows: the driving motor 82 rotates, the threaded rod 81 is driven to rotate through the conduction of the first bevel gear 83, the second bevel gear 84, the rotating rod 85 and the third bevel gear 86, so that the moving blocks 4 move along the length direction of the sliding bar 14, the moving blocks 4 of each group are mutually matched to enable the abutting blocks 6 to ascend or descend, the base 1 and the tray 2 are driven to ascend or descend, the distance between the tray 2 and the vehicle chassis is adjustable, and the universality of the jack is improved; when the base 1 rises to a certain height, the steel balls 32 on the abutting rod 31 are abutted to the chassis of the vehicle, along with the rising of the base 1, the U-shaped frame 15 is pushed to enable the contact rod 21 to move towards the contact switch 20, finally the contact switch 20 is triggered, the driving motor 82 stops rotating, the contact switch 20 is triggered, the sliding block 27 leaves the sliding groove 29, the push rod 23 pushes the rotating block 16 through the push block 24 by means of the elastic force of the second spring 26, and the rotating block 16 drives the U-shaped frame 15 to rotate and leave the upper side of the tray 2, so that the subsequent tray 2 is convenient to rise to prop against the chassis of the vehicle.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a chassis height-adjustable horizontal jack, includes base (1), sets up in tray (2) of base (1), its characterized in that: the lifting device comprises a base (1), wherein lifting seats (3) are arranged on two sides of the base (1), each lifting seat (3) is connected with a plurality of moving blocks (4) in a sliding mode, each moving block (4) is provided with a first pushing surface (5) in a group mode in a tilting mode, the first pushing surfaces (5) of the two moving blocks (4) in the group are arranged oppositely, abutting blocks (6) are arranged on the side wall of the base (1), each abutting block (6) is located between the two moving blocks (4) in the group, the abutting blocks (6) are provided with two second pushing surfaces (7) in a tilting mode, the two second pushing surfaces (7) are arranged in a back mode, the second pushing surfaces (7) are abutted to the corresponding first pushing surfaces (5), the lifting seats (3) are provided with driving assemblies (8) which drive the moving blocks (4) to move, and the two moving blocks (4) in the group are close to each other or far away from each other through the driving assemblies (8), and connecting plates (9) are fixed between the lifting seats (3).

2. The adjustable chassis height horizontal jack of claim 1, wherein: the drive assembly (8) comprises a threaded rod (81) connected to the connecting plate (9) in a rotating mode, a drive motor (82) fixed to one end of the connecting plate (9) and deviating from the tray (2), a first bevel gear (83) coaxially fixed to an output shaft of the drive motor (82), a second bevel gear (84) coaxially fixed to one end of the threaded rod (81) and close to the drive motor (82), a rotating rod (85) connected to the connecting plate (9) in a rotating mode and third bevel gears (86) coaxially fixed to two ends of the rotating rod (85), the first bevel gear (83) is meshed with the third bevel gears (86), the second bevel gears (84) are meshed with another third bevel gear (86) of the same rotating rod (85), threads of the threaded rod (81) are divided into a plurality of sections and threads of two adjacent sections are opposite in directions, threads of the threaded rod (81) penetrate through the moving block (4), and each moving block (4) corresponds to one section of threads.

3. A pan height adjustable horizontal jack as claimed in claim 2 wherein: the movable block (4) is positioned on the first pushing surface (5) and provided with a guide groove (11), the abutting block (6) is positioned on the second pushing surface (7) and fixedly provided with a guide block (12), and the guide block (12) is glidingly connected in the guide groove (11).

4. A pan height adjustable horizontal jack as claimed in claim 3 wherein: the utility model discloses a touch screen, including base (1), spout (20) are provided with U type frame (15), base (1) are located the one end that is close to tray (2), base (1) both sides are rotated and are connected with rotating block (16), spout (17) have been seted up to rotating block (16) are offered to rotating block (16) both ends, slide respectively in spout (17) of rotating block (16) in U type frame (15), set up direction along spout (17) in spout (17) and be provided with guide bar (18), U type frame (15) tip is worn to locate by guide bar (18), guide bar (18) cover is equipped with first spring (19), the one end of first spring (19) is fixed in U type frame (15) tip, and the other end is fixed in spout (17) lateral wall, the one end that U type frame (15) was kept away from to spout (17) is provided with contact switch (20), base (1) lateral wall is provided with the controller, contact switch (20) are connected with the controller electricity, the controller is connected with driving motor (82), U type frame (15) tip is provided with contact switch (21).

5. The adjustable chassis height horizontal jack of claim 4, wherein: the base (1) is located one side of turning block (16) and is provided with fixed block (22), push rod (23) are worn to be equipped with by fixed block (22) level, push rod (23) slide and are connected in fixed block (22), one end that push rod (23) is close to turning block (16) is provided with push block (24), one end that turning block (16) was kept away from to push rod (23) is provided with stopper (25), push rod (23) cover is equipped with second spring (26), one end of second spring (26) is fixed in push block (24), and the other end is fixed in fixed block (22) lateral wall, push block (24) butt is fixed in dwang (85) lateral wall, one side that U type frame (15) are close to push rod (23) is fixed with slider (27), base (1) lateral wall is fixed with fixing base (28), sliding groove (29) have been seted up to fixing base (28), slider (27) slide and are connected in sliding groove (29), the cross-section of slider (27) and sliding groove (29) are the setting up, two inclined planes (30) are all parallel to each other on sliding block (27).

6. The adjustable chassis height horizontal jack of claim 5, wherein: the upper end of the U-shaped frame (15) is provided with a supporting rod (31), and one end of the supporting rod (31) deviating from the U-shaped frame (15) is connected with a steel ball (32) in a rolling way.

7. A pan height adjustable horizontal jack as claimed in claim 2 wherein: the side wall of the moving block (4) is provided with a sliding groove (13), one side of the lifting seat (3) facing the moving block (4) is fixed with a sliding strip (14), and the sliding strip (14) is in sliding fit with the sliding groove (13).

8. The adjustable chassis height horizontal jack of claim 1, wherein: one side of the lifting seat (3) deviating from the base (1) is rotationally connected with a plurality of rollers (10).