CN220416649U

CN220416649U - Adjustable jack

Info

Publication number: CN220416649U
Application number: CN202320944197.9U
Authority: CN
Inventors: 钟雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2024-01-30
Anticipated expiration: 2033-04-24

Abstract

The utility model discloses an adjustable jack which has the function of adjusting the height according to different floors, and comprises a lower frame plate, wherein the outer part of the lower frame plate is fixedly connected with a main frame plate, the lower part of the lower frame plate is provided with a mounting hole, a shoe sleeve is arranged in the mounting hole, the upper part of the shoe sleeve is fixedly connected with a fixing plate, the upper part of the fixing plate is fixedly connected with a guide sleeve, the inner part of the guide sleeve is sheathed with a guide column, an elastic element is arranged between the lower frame plate and the fixing plate, the two sides of the main frame plate are provided with fixing holes, the inner part of the fixing holes is sheathed with pin screws, the outer part of the pin screws is rotationally connected with pedals, the inner part of the shoe sleeve is connected with a shoe through threads, the outer part of the shoe is connected with a fixing nut through threads, and one end of the shoe is fixedly connected with a supporting leg. The utility model is applied to the technical field of supporting feet.

Description

Adjustable jack

Technical Field

The utility model relates to the technical field of supporting legs, in particular to an adjustable jack.

Background

The supporting legs are used for lifting the height of the supported object so as to adapt to the working environment, and can be arranged on various mobile equipment such as a cart, a scaffold, a movable sickbed and the like and a jacking brake device when a station device needs to be stopped stably.

Chinese patent application No.: CN211054857U discloses a jack, including base, supporting seat, telescopic tube, jack, connecting piece and restoring element, the telescopic tube includes sleeve and lower sleeve, on the sleeve was located down to the sleeve cover, the fixed setting of sleeve is on the base down, the fixed setting of supporting seat is on the sleeve, the middle part of jack is articulated through first bolt and lower sleeve, the one end of connecting piece is articulated through the one end of second bolt and jack, the other end of connecting piece and the one end of restoring element are articulated through third bolt and supporting seat, are in the retracted state when the jack, and the middle part of restoring element supports and leans on first bolt, is in on the same straight line when the jack, and the middle part of restoring element supports and leans on the second bolt, and first bolt, second bolt and third bolt, and it has mainly solved the structure complicacy of jack among the prior art, the big problem of the production degree of difficulty, and this mechanism has following shortcoming: the supporting height of the jacking device cannot be adjusted, and when the ground is uneven, the supporting feet can not be supported to the ground, so that the braking is not realized; or the supporting feet can touch the ground when moving, so that the frame is inflexible to move.

The existing supporting feet do not have the function of adjusting the height according to different floors.

Disclosure of Invention

The utility model mainly aims to provide an adjustable jack with the function of adjusting the height according to different floors, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an adjustable jack, includes down the frame board, the outside fixedly connected with main frame board of frame board down, the mounting hole has been seted up to the lower part of frame board down, the internally mounted of mounting hole has the shoe cover, the upper portion fixedly connected with fixed plate of shoe cover, the upper portion fixedly connected with uide bushing of fixed plate, the inside of uide bushing has cup jointed the guide post, down the frame board with be provided with elastic element between the fixed plate, the fixed orifices has been seted up to the both sides of main frame board, peg graft in the inside of fixed orifices has the round pin axle screw, the outside rotation of round pin axle screw is connected with the footboard, the inside of shoe cover has the shoe through threaded connection, the outside of shoe has fixation nut through threaded connection, the one end fixedly connected with supporting legs of shoe.

Optimally, the pedal comprises a main body, a waist pressing part, a hinge hole, a pressing surface, a lifting surface and an extension pedal, wherein one end of the main body is fixedly connected with the waist pressing part which is two symmetrical, the hinge hole is formed in one side of the waist pressing part, the pressing surface and the lifting surface which are obtuse angles with each other are formed in the lower end of the waist pressing part, and the extension pedal is fixedly connected with one end of the main body, so that the pedal can control the lifting and the lowering of the hooves.

Optimally, first fixed orifices have been seted up to the both sides of main frame board, the second fixed orifices has been seted up to the both sides of lower frame board, first fixed orifices with the second fixed orifices is corresponding, first fixed orifices with the inside grafting of second fixed orifices has the screw, the outside of screw has cup jointed the unblock footboard, screw one end has the nut through threaded connection, through with the screw passes first fixed orifices with the second fixed orifices makes main frame board with lower frame board links together, and makes the unblock footboard is fixed on the screw.

Optimally, the unlocking pedal comprises a lifting part, a supporting rod and a stepping part, wherein one end of the supporting rod is fixedly connected with the stepping part, the other end of the supporting rod is fixedly connected with the lifting part, and the lifting part is arranged at the lower part of the pressing surface, so that the unlocking pedal lifts the pedal.

Optimally, the guide posts are fixed inside the main frame plate so that the guide posts play a role in positioning.

Optimally, the outer part of the pin shaft screw is sleeved with an adjusting pad and a pin shaft nut, and the pedal is firmly fixed on the main frame plate through the arrangement of the adjusting pad and the pin shaft nut.

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

according to the utility model, the pedal is fixed on the pin shaft screw by stepping on the extension pedal at one end of the pedal, so that the main body of the pedal moves downwards, the pressing surface is attached to the fixing plate, the fixing plate is pressed downwards through the pressing surface, the foot is moved downwards, the frame is fixed firmly on the ground, the unlocking pedal is stepped on, the pedal is lifted, and the fixing plate is jacked up through the spring, so that the foot is lifted.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a part of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the pin nut of the present utility model;

fig. 3 is a schematic view of the structure of the lower frame plate of the present utility model;

FIG. 4 is a schematic view of the structure of the pedal of the present utility model;

FIG. 5 is a schematic view of the structure of the unlocking pedal of the present utility model;

fig. 6 is a schematic structural view of a main frame plate of the present utility model.

In the figure: 1. a main frame plate; 2. a guide post; 3. a pedal; 4. hoof and foot sleeves; 5. an adjustment pad; 6. a pin shaft screw; 7. a pin nut; 8. an elastic element; 9. a fixing nut; 10. hoof feet; 11. a nut; 12. a screw; 13. a lower frame plate; 14. unlocking the pedal; 15. a mounting hole; 16. a fixing plate; 17. a guide sleeve; 18. a fixing hole; 19. supporting feet; 20. a hinge hole; 21. a pressing surface; 22. raising the surface; 23. a first fixing hole; 24. a second fixing hole; 25. a lifting part; 26. a support rod; 27. a tread portion; 28. an extension pedal; 29. pressing the waist; 30. a main body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-6, an adjustable jack comprises a lower frame plate 13, an elastic element 8 is fixedly connected to the outer portion of the lower frame plate 13, a mounting hole 15 is formed in the lower portion of the lower frame plate 13, a pin sleeve 4 is mounted in the inner portion of the mounting hole 15, a fixing plate 16 is fixedly connected to the upper portion of the pin sleeve 4, a guide sleeve 17 is fixedly connected to the upper portion of the fixing plate 16, a guide post 2 is sleeved in the guide sleeve 17, the guide post 2 can be installed in the guide sleeve 17, an elastic element 8 is arranged between the lower frame plate 13 and the fixing plate 16, the guide sleeve 17 can be restored to the original position, fixing holes 18 are formed in the two sides of the main frame plate 1, pin screws 6 are inserted in the inner portions of the fixing holes 18, pedals 3 are connected in a rotating mode, supporting pins 19 are controlled to descend through the pedals 3, the inner portions of the pin sleeves 4 are connected with the pins 10 through threads, the device can be connected with the pins 10 through threads, and one ends of the pins 10 can be firmly connected with the fixing pins 19 through the threads, and the fixing device is fixedly connected with the pins 10 through the threads, and the fixing device is connected with one ends of the pins 10.

The pedal 3 comprises a main body 30, a waist pressing part 29, a hinge hole 20, a pressing surface 21, a lifting surface 22 and an extension pedal 28, wherein one end of the main body 30 is fixedly connected with the waist pressing part 29 which is two symmetrical, one side of the waist pressing part 29 is provided with the hinge hole 20, the lower end of the waist pressing part 29 is provided with the pressing surface 21 and the lifting surface 22 which are obtuse angles with each other, one end of the main body 30 is fixedly connected with the extension pedal 28, when the pedal is used, the main body 30 of the pedal 3 moves downwards by stepping on the extension pedal 28, the pressing surface 21 contacts with the fixed plate 16, and the pressing surface 21 presses the fixed plate 16 downwards, so that the foot 10 moves downwards.

First fixed orifices 23 have been seted up to the both sides of main frame board 1, second fixed orifices 24 have been seted up to the both sides of lower frame board 13, first fixed orifices 23 with second fixed orifices 24 are corresponding, first fixed orifices 23 with the inside of second fixed orifices 24 has pegged graft and has been had screw 12, the outside of screw 12 has cup jointed unblock footboard 14, screw 12 one end has nut 11 through threaded connection, when the installation, will screw 12 passes in proper order first fixed orifices 23 second fixed orifices 24 unblock footboard 14, make main frame board 1 with lower frame board 13 links together, makes unblock footboard 14 is in screw 12 is last rotatory.

The unlocking pedal 14 comprises a lifting part 25, a supporting rod 26 and a stepping part 27, one end of the supporting rod 26 is fixedly connected with the stepping part 27, the other end of the supporting rod 26 is fixedly connected with the lifting part 25, the lifting part 25 is arranged at the lower part of the pressing surface 21, and when the unlocking pedal is used, the pressing surface 21 of the pedal 3 is lifted by the lifting part 25 through the supporting rod 26 by pressing the stepping part 27, and the fixing plate 16 is jacked up through the elastic element 8, so that the hoof foot 10 moves upwards.

The guide post 2 is fixed inside the main frame plate 1, the guide post 2 is welded at the lower part of the main frame plate 1, and the guide sleeve 17 is mounted outside the guide sleeve 17 from the lower end of the guide post 2, so that the guide sleeve 17 moves on the surface of the guide post 2, and the guide post 2 has a positioning function.

The adjusting pad 5 and the pin nut 7 are sleeved outside the pin screw 6, the pin screw 6 is fixed on one side of the main frame plate 1 through the arrangement of the pin nut 7, the pedal 3 is firmly fixed on the pin screw 6 through the arrangement of the adjusting pad 5, and the pedal 3 is rotated on the pin screw 6.

When the frame is not required to be moved, the pedal extension 28 at one end of the pedal 3 is stepped on, the main body 30 of the pedal 3 is moved downwards by fixing the pedal 3 on the pin shaft screw 6, the pressing surface 21 is attached to the fixing plate 16, the fixing plate 16 is pressed downwards by the pressing surface 21, the hoof foot 10 is moved downwards, the frame is fixed firmly on the ground, when the frame is required to be moved, the pedal extension 27 at one end of the unlocking pedal 14 is stepped on, the lifting part 25 is driven to move upwards by the pedal extension 26, the pressing surface 21 of the pedal 3 is lifted by the lifting part 25, the lifting surface 22 is contacted with the fixing plate 16, the fixing plate 16 is lifted by the elastic element 8, and the hoof foot sleeve 4 is moved upwards by the elastic element 8, so that the hoof foot 10 is driven to move upwards.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An adjustable roof lifter comprising a lower frame plate (13), characterized in that: the utility model discloses a foot pedal structure, including main frame board (1), mounting hole (15) have been seted up to the outside fixedly connected with main frame board (1) of lower frame board (13), mounting hole (15) internally mounted has shoe cover (4), shoe cover (4) upper portion fixedly connected with fixed plate (16), fixed plate (16) upper portion fixedly connected with uide bushing (17), guide post (2) have been cup jointed to the inside of uide bushing (17), lower frame board (13) with be provided with elastic element (8) between fixed plate (16), fixed orifices (18) have been seted up to the both sides of main frame board (1), peg graft in the inside of fixed orifices (18) has round pin axle screw (6), the outside rotation of round pin axle screw (6) is connected with footboard (3), the inside of shoe cover (4) has shoe (10) through threaded connection, the outside of shoe (10) has fixation nut (9) through threaded connection, the one end fixedly connected with support (19) of shoe (10).

2. An adjustable jack as claimed in claim 1 wherein: the pedal (3) comprises a main body (30), a waist pressing portion (29), a hinge hole (20), a pressing surface (21), a lifting surface (22) and an extension pedal (28), wherein the waist pressing portion (29) is fixedly connected to one end of the main body (30), the hinge hole (20) is formed in one side of the waist pressing portion (29), the pressing surface (21) and the lifting surface (22) which form obtuse angles with each other are formed in the lower end of the waist pressing portion (29), and the extension pedal (28) is fixedly connected to one end of the main body (30).

3. An adjustable jack as claimed in claim 2 wherein: first fixed orifices (23) have been seted up to the both sides of main frame board (1), second fixed orifices (24) have been seted up to the both sides of lower frame board (13), first fixed orifices (23) with second fixed orifices (24) are corresponding.

4. An adjustable jack according to claim 3 wherein: the first fixing hole (23) and the second fixing hole (24) are internally inserted with a screw (12), an unlocking pedal (14) is sleeved outside the screw (12), and one end of the screw (12) is connected with a nut (11) through threads.

5. An adjustable jack as defined in claim 4, wherein: the unlocking pedal (14) comprises a lifting part (25), a supporting rod (26) and a treading part (27), wherein one end of the supporting rod (26) is fixedly connected with the treading part (27), the other end of the supporting rod (26) is fixedly connected with the lifting part (25), and the lifting part (25) is arranged at the lower part of the pressing surface (21).

6. An adjustable jack as claimed in claim 1 wherein: the guide post (2) is fixed inside the main frame plate (1).

7. An adjustable jack as claimed in claim 1 wherein: the outer part of the pin shaft screw (6) is sleeved with an adjusting pad (5) and a pin shaft nut (7).