CN219523862U

CN219523862U - Folding prop up top

Info

Publication number: CN219523862U
Application number: CN202320624251.1U
Authority: CN
Inventors: 曾倩婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-15
Anticipated expiration: 2033-03-27

Abstract

The utility model relates to the technical field of brackets, in particular to a folding support. The utility model comprises an upper pipe, wherein the top of the upper pipe is movably connected with a top plate, the lower end of the upper pipe is internally and slidably connected with a lower pipe, the lower end of the lower pipe extends to the outside of the upper pipe and is rotationally connected with a bottom plate, and an extension screw is arranged at the joint of the lower pipe and the bottom plate; the inside of upper tube is provided with drive assembly, and drive assembly is used for the drive of the up-and-down motion of lower tube. According to the utility model, through the matching design of multiple structures, the device can be turned over in the folding process, so that the occupation of the vertical space of the folded device is effectively reduced, and the phenomenon of damage to the device caused by collision between the vertical length process and the ground protrusions is avoided.

Description

Folding prop up top

Technical Field

The utility model relates to the technical field of brackets, in particular to a folding support.

Background

The semi-trailer is a transport tool which is quite widely applied in the modern transportation industry, the front end of the semi-trailer can be connected with a tractor to be supported and towed by the tractor when the semi-trailer runs, the front end of the semi-trailer can be unhooked from the tractor when the semi-trailer does not run, and in order to support the front end of the semi-trailer after unhooking, the bottom of the semi-trailer near the front end is often provided with semi-trailer legs;

support legs as issued (announced) number CN204664799U and describing: the cylinder can enable the supporting seat to ascend or descend through the expansion and contraction of the piston rod, so that the length of the whole supporting leg can be adjusted, the supporting seat is hinged on the connecting plate, and two auxiliary seats in the supporting seat are obliquely arranged upwards, so that the placing angle of the supporting seat can be adjusted according to the specific supporting ground, and the application range is wider;

however, the following technical problems exist in the prior art: can only stretch out and draw back from top to bottom and can not transversely overturn, and the vertical occupation space is great, and the carrier is easy to collide with ground protrusion in the moving process, so we propose a folding prop.

Disclosure of Invention

The present utility model is directed to a folding support, which solves the problems set forth in the background art: can only stretch out and draw back from top to bottom and can not transversely overturn, and vertical occupation space is great, and the carrier is easy to collide with ground protrusion in the moving process.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the folding support comprises an upper pipe, wherein the top of the upper pipe is movably connected with a top plate, the inside of the lower end of the upper pipe is connected with a lower pipe in a sliding manner, the lower end of the lower pipe extends to the outside of the upper pipe and is rotationally connected with a bottom plate, and an extension screw is arranged at the joint of the lower pipe and the bottom plate; a driving component is arranged in the upper pipe and is used for driving the lower pipe to move up and down;

the side of the upper pipe is provided with an adjusting arm, the upper end of the adjusting arm is rotationally connected with the top plate through a connecting pin, the lower end of the adjusting arm is provided with a movable groove, a limiting pin is arranged in the movable groove, the lower end of the upper pipe is provided with a connecting hole, and one end of the limiting pin penetrates through the movable groove to be connected with the connecting hole; one side of the upper pipe is also provided with a spring, the upper end of the spring is connected with the upper end of the adjusting arm, and the lower end of the spring is connected with the outer side of the upper pipe.

Preferably, the drive assembly comprises a rotating shaft, the top of the upper pipe is transversely provided with the rotating shaft, the upper pipe is rotationally connected with the top plate through the rotating shaft, the inside of the upper pipe is vertically rotationally connected with a transmission shaft, the lower end of the transmission shaft is in threaded connection with the lower pipe, the upper end of the transmission shaft is fixedly provided with a driven bevel gear, the inside of the upper pipe is fixedly provided with the driving bevel gear in the rotating shaft, and the driven bevel gear is in meshed connection with the driving bevel gear.

Preferably, one end of the rotating shaft extends to the outer side of the top plate and is provided with a connecting end.

Preferably, the driven bevel gear is connected with the transmission shaft in a welding way, and the driving bevel gear is connected with the rotating shaft in a welding way.

Preferably, the upper end and the side surface of the top plate are provided with mounting through holes.

Preferably, the bottom end of the adjusting arm is provided with a groove matched with the extension screw.

It can be clearly seen that the technical problems to be solved by the present utility model can be necessarily solved by the above-mentioned technical solutions of the present utility model.

Meanwhile, through the technical scheme, the utility model has at least the following beneficial effects:

through the cooperation design of many structures for the device can overturn at folding up the in-process, effectively reduces the vertical space occupation after the device is folded up, and then avoids vertical length process and ground protrusion collision, causes the phenomenon emergence of device damage.

Drawings

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

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

FIG. 2 is a rear elevational view of the structure of the present utility model;

FIG. 3 is a schematic diagram of a driving assembly according to the present utility model;

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

fig. 5 is a schematic structural view of the folded structure of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

in the figure: 1. an upper pipe; 2. a top plate; 3. a lower pipe; 4. a bottom plate; 5. a rotating shaft; 6. driving a bevel gear; 7. a transmission shaft; 8. a driven bevel gear; 9. an adjusting arm; 10. a connection hole; 11. a movable groove; 12. a limiting pin; 13. a spring; 14. a connecting pin; 15. an extension screw.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-5, a folding support comprises an upper pipe 1, wherein the top of the upper pipe 1 is movably connected with a top plate 2, in order to facilitate installation of the device, the upper end and the side surface of the top plate 2 are provided with installation through holes, the lower end of the upper pipe 1 is internally and slidably connected with a lower pipe 3, the lower end of the lower pipe 3 extends to the upper pipe 1 to go out and is rotatably connected with a bottom plate 4, and an extension screw 15 is arranged at the joint of the lower pipe 3 and the bottom plate 4; a driving component is arranged in the upper pipe 1 and is used for driving the lower pipe 3 to move up and down;

the side of the upper pipe 1 is provided with an adjusting arm 9, the upper end of the adjusting arm 9 is rotationally connected with the top plate 2 through a connecting pin 14, the lower end of the adjusting arm 9 is provided with a movable groove 11, a limiting pin 12 is arranged in the movable groove 11, the lower end of the upper pipe 1 is provided with a connecting hole 10, and one end of the limiting pin 12 penetrates through the movable groove 11 to be connected with the connecting hole 10; a spring 13 is further arranged on one side of the upper tube 1, the upper end of the spring 13 is connected with the upper end of the adjusting arm 9, and the lower end of the spring 13 is connected with the outer side of the upper tube 1.

When the device is folded, the lower tube 3 is driven to move upwards by the driving structure, the adjusting arm 9 is driven to move upwards by the contact of the extending screw 15 and the bottom of the adjusting arm 9, and the upper end of the adjusting arm 9 is connected with the bottom of the adjusting arm 9 in a rotating way, so that after the extending screw 15 contacts with the bottom of the adjusting arm 9, the upper end of the adjusting arm 9 turns over by taking the connecting pin 14 as the axis, and further, in the process of folding the lower tube 3 upwards, the lower tube 3 and the upper tube 1 are driven to turn over by the adjusting arm 9 until the folding is stopped until 90 degrees later; in the folding process, in order to facilitate the extension screw 15 to jack up the adjusting arm 9 upwards, a groove matched with the extension screw 15 is formed at the bottom end of the adjusting arm 9.

Conversely, the lower tube 3 is driven to be unfolded through the driving assembly, the extension screw 15 is separated from the bottom of the adjusting arm 9, the movement of the adjusting arm 9 is not limited, and the adjusting arm 9 drives the upper tube 1 and the lower tube 3 to overturn through continuous unfolding of the lower tube 3 until the upper tube 1 and the lower tube 3 are overturned for 90 degrees and then the overturning is stopped; the spring 13 is stretched during the unfolding of the lower pipe 3, so that the spring 13 accumulates force, and after the turnover is finished, the spring 13 releases the accumulated force to shrink and reset, and further the lower end of the spring 13 pulls the upper pipe 1, so that the upper pipe 1 is prevented from moving accidentally.

Specifically, the driving assembly comprises a rotating shaft 5, the top of an upper pipe 1 is transversely provided with the rotating shaft 5, the upper pipe 1 is rotationally connected with a top plate 2 through the rotating shaft 5, the inside of the upper pipe 1 is vertically rotationally connected with a transmission shaft 7, the lower end of the transmission shaft 7 is in threaded connection with a lower pipe 3, the upper end of the transmission shaft 7 is fixedly provided with a driven bevel gear 8, the rotating shaft 5 is provided with a driving bevel gear 6, the inside of the upper pipe 1 is fixedly provided with the driving bevel gear 6, the driven bevel gear 8 is in meshed connection with the driving bevel gear 6, the driven bevel gear 8 is in welded connection with the transmission shaft 7, and the driving bevel gear 6 is in welded connection with the rotating shaft 5; wherein, in order to facilitate the movement using the handle driving device, one end of the rotation shaft 5 extends to the outside of the top plate 2 and is provided with a connection end.

When the folding device is folded, the handle is connected through the connecting end of the end part of the rotating shaft 5, and then the handle can drive the rotating shaft 5 to rotate, and the handle is connected with the driving bevel gear 6 through the driven bevel gear 8 when the rotating shaft 5 rotates, so that the rotating shaft 5 drives the transmission shaft 7 to rotate when rotating, and then the handle is connected with the threads of the lower pipe 3 through the transmission shaft 7, so that the lower pipe 3 is driven to move up and down when the transmission shaft 7 rotates.

From the above, it can be seen that:

the utility model aims at the technical problems that: can only move up and down in a telescopic way, can not turn transversely, occupies a large vertical space, and is easy to collide with ground protrusions in the moving process of the carrier; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:

the device is moved to a designated area, then the device is electrically connected with an external power supply, and then the device is electrically connected with the external power supply;

through the arrangement, the utility model can solve the technical problems, and simultaneously realize the following technical effects:

The foregoing has shown and described the basic principles, principal features and advantages of the 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 therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The folding support is characterized by comprising an upper pipe (1), wherein the top of the upper pipe (1) is movably connected with a top plate (2), the inside of the lower end of the upper pipe (1) is slidably connected with a lower pipe (3), the lower end of the lower pipe (3) extends to the outside of the upper pipe (1) and is rotationally connected with a bottom plate (4), and an extension screw (15) is arranged at the joint of the lower pipe (3) and the bottom plate (4); a driving component is arranged in the upper pipe (1) and is used for driving the lower pipe (3) to move up and down;

the side of the upper pipe (1) is provided with an adjusting arm (9), the upper end of the adjusting arm (9) is rotationally connected with the top plate (2) through a connecting pin (14), the lower end of the adjusting arm (9) is provided with a movable groove (11), the movable groove (11) is internally provided with a limiting pin (12), the lower end of the upper pipe (1) is provided with a connecting hole (10), and one end of the limiting pin (12) penetrates through the movable groove (11) to be connected with the connecting hole (10); one side of the upper pipe (1) is also provided with a spring (13), the upper end of the spring (13) is connected with the upper end of the adjusting arm (9), and the lower end of the spring (13) is connected with the outer side of the upper pipe (1).

2. The folding support according to claim 1, wherein the driving assembly comprises a rotating shaft (5), the top of the upper tube (1) is transversely provided with the rotating shaft (5), the upper tube (1) is rotationally connected with the top plate (2) through the rotating shaft (5), a transmission shaft (7) is vertically rotationally connected in the upper tube (1), the lower end of the transmission shaft (7) is in threaded connection with the lower tube (3), a driven bevel gear (8) is fixed at the upper end of the transmission shaft (7), a driving bevel gear (6) is fixed on the rotating shaft (5) and located in the upper tube (1), and the driven bevel gear (8) is in meshed connection with the driving bevel gear (6).

3. A folding prop according to claim 2, characterized in that one end of the shaft (5) extends outside the top plate (2) and is provided with a connecting end.

4. A folding prop according to claim 2, characterized in that the driven bevel gear (8) is welded to the drive shaft (7), and the drive bevel gear (6) is welded to the shaft (5).

5. The folding support according to claim 1, wherein the top and side surfaces of the top plate (2) are provided with mounting through holes.

6. A folding prop according to claim 1, characterized in that the bottom end of the adjusting arm (9) is provided with a groove cooperating with an extension screw (15).