CN214734080U

CN214734080U - Top bracing device

Info

Publication number: CN214734080U
Application number: CN202120367366.8U
Authority: CN
Inventors: 王泰兴; 王元祐
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-11-16
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a top props device, including a casing, a drive structure, two at least transmission structures and two at least top prop structures. The driving structure comprises a first bevel gear which is rotatably arranged on the shell. Each transmission structure is rotatably arranged on the shell and comprises a second bevel gear and a screw rod which are fixedly connected, and each second bevel gear is meshed with the first bevel gear. Each top support structure comprises a threaded sleeve and a top support piece which are fixedly connected, each top support piece is non-rotatably arranged on the shell in a sliding mode, and each threaded sleeve is in threaded connection with one screw rod.

Description

Top bracing device

Technical Field

The utility model relates to a top supporting device.

Background

The shoring device is a device which swings or stretches through a labor-saving structure to prop up an article to be shored, and the shoring device disclosed in taiwan patent No. TW233637 belongs to the category. However, the jacking device in the prior art can only be used for lifting articles, which results in low practicability and has the disadvantage of requiring improvement.

Therefore, there is a need for a new and improved jacking device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a top bracing device, which can be used for supporting more than two directions, so as to improve the usage of the top bracing device.

To achieve the above objective, the present invention provides a top bracing device, which comprises a housing, a driving structure, at least two transmission structures and at least two top bracing structures. The driving structure comprises a first bevel gear which is rotatably arranged on the shell. Each transmission structure is rotatably arranged on the shell and comprises a second bevel gear and a screw rod which are fixedly connected, and each second bevel gear is meshed with the first bevel gear. Each top support structure comprises a threaded sleeve and a top support piece which are fixedly connected, each top support piece is non-rotatably arranged on the shell in a sliding mode, and each threaded sleeve is in threaded connection with one screw rod. When the first bevel gear rotates, the at least two second bevel gears are driven to rotate, and the threaded sleeves and the supporting pieces of the supporting structures slide relative to the shell.

Preferably, the driving structure further includes a driving member, and one end of the driving member is rotatably inserted into the housing and is connected to the first bevel gear in a movable assembly.

Preferably, the driving member is a crank, and one end of the crank is rotatably inserted into the housing and is connected to the first bevel gear in a movable assembly.

Preferably, the driving structure further includes a third bevel gear and a motor assembly, the third bevel gear and the first bevel gear are coaxially pivoted to the housing and engaged with the at least two second bevel gears, and a driving shaft of the motor assembly is coupled to the third bevel gear.

Preferably, the housing includes a coupling portion and at least two extending portions extending from the coupling portion, one end of each of the supporting members is slidably inserted into one of the extending portions, and the other end of each of the supporting members extends out of the extending portion, and the first bevel gear and the at least two second bevel gears are pivotally disposed on the coupling portion.

Preferably, each of the extending portions and each of the top supporting members are non-circular tubes, and one end of each of the extending portions is connected to the inside of the connecting portion.

Preferably, the threaded sleeves of the top supporting structures are fixedly arranged in the top supporting pieces, and each screw rod extends into one of the top supporting pieces.

Preferably, in the above technical solution, an abutting portion is disposed at one end of each of the top supporting members extending out of the extending portion, and a radial dimension of the abutting portion is greater than a radial dimension of the extending portion.

Preferably, a partition plate is disposed between each extending portion and the corresponding connecting portion, the screw of each transmission structure is rotatably inserted through one partition plate, and one side of the partition plate facing the first bevel gear is stopped at the second bevel gear.

Preferably, the power transmission device further includes a third bevel gear and a motor assembly, the third bevel gear and the first bevel gear are coaxially and pivotally disposed on the housing and engaged with the at least two second bevel gears, and a driving shaft of the motor assembly is coupled to the third bevel gear; the shell comprises a combination part and at least two extension parts extending to the combination part, one end of each top support part is slidably inserted into one extension part, the other end of each top support part extends out of the extension part, and the first umbrella-shaped gear and the at least two second umbrella-shaped gears are pivoted to the combination part; each extending part and each top supporting part are non-circular tubes, and one end of each extending part is communicated with the inside of the combining part; the screw sleeve of each top support structure is fixedly arranged in the top support piece, and each screw rod extends into one top support piece; one end of each top supporting piece extending out of the extending part is provided with a butting part, and the radial size of the butting part is larger than that of the extending part; a partition plate is arranged between each extending part and each combining part, the screw rod of each transmission structure can rotatably penetrate through the partition plate, and one side, facing the first bevel gear, of the partition plate is blocked on the second bevel gear; each extension part and each top support part are square pipes, and each extension part can be sleeved on one top support part in a sliding way; each of the thread sleeves and the top support member are inserted by at least one pin member.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required to be used in the description of the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a preferred embodiment of the present invention.

Fig. 2 is an exploded view of a preferred embodiment of the present invention.

Fig. 3 to 4 are cross-sectional views illustrating an operation of a preferred embodiment of the present invention.

Fig. 5 is a perspective view of another preferred embodiment of the present invention.

Wherein, 1,1A is a shell; 11,11A is a bonding portion; 12, an extension part; 13, a clapboard; 2, a driving structure; 21, a first bevel gear; 22, a driving piece; 23, a third bevel gear; 24: a motor assembly; 241 is a driving shaft; 3, a transmission structure; 31, a second bevel gear; 32, a screw rod; 4, a top bracing structure; 41, a screw sleeve; 42, a top support piece; 421, a butting part; 43 pin piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following description is given by way of example only, and not by way of limitation, of the scope of the invention.

Referring to fig. 1 to 5, a preferred embodiment of the present invention is shown, in which the top supporting device of the present invention includes a housing 1, a driving structure 2, at least two transmission structures 3 and at least two top supporting structures 4.

The driving structure 2 includes a first bevel gear 21 rotatably disposed on the housing 1.

Each of the transmission structures 3 is rotatably disposed on the housing 1 and includes a second bevel gear 31 and a screw 32, which are fixedly connected to each other, and each of the second bevel gears 31 is engaged with the first bevel gear 21, which is two of the transmission structures 3 in this embodiment.

Each of the top supporting structures 4 includes a threaded sleeve 41 and a top supporting member 42 that are fixedly connected, each of the top supporting members 42 is non-rotatably slidably disposed on the housing 1, each of the threaded sleeves 41 is screwed to one of the screws 32, and when the screw 32 rotates relative to the housing 1, the threaded sleeve 41 that is engaged with the screw is driven to slide relative to the housing 1, which is two top supporting structures 4 in this embodiment.

The first umbrella gear 21 rotates to drive the second umbrella gear 31 to rotate, the threaded sleeves 41 and the supporting members 42 of the supporting structures 4 slide relative to the housing 1, and the supporting structures 4 can support objects when sliding in a direction away from the housing 1, so that the supporting device can be used for supporting objects needing multi-directional supporting, such as buildings, vehicles, caves and the like, and improves the practicability of the supporting device.

Specifically, the driving structure 2 further includes a driving member 22, and one end of the driving member 22 is rotatably inserted into the housing 1 and is connected to the first bevel gear 21 for driving the first bevel gear 21 to rotate. In this embodiment, the driving member 22 is a crank, one end of the crank is rotatably inserted into the housing 1 and is connected to the first bevel gear 21 for assembly, and the driving member 22 is a crank capable of driving the first bevel gear 21 to rotate with less effort.

Preferably, the driving structure 2 further includes a third bevel gear 23 and a motor assembly 24, the third bevel gear 23 and the first bevel gear 21 are coaxially and pivotally disposed on the housing 1 and engaged with the second bevel gear 31, and a driving shaft 241 of the motor assembly 24 is coupled to the third bevel gear 23, so that the present invention can rotate to drive the second bevel gear 31 by operating the motor assembly 24, thereby saving manpower.

Further, the housing 1 includes a combining portion 11 and at least two extending portions 12 extending from the combining portion 11, in this embodiment, two extending portions 12, one end of each supporting member 42 is slidably inserted into one extending portion 12, and the other end of each supporting member extends out of the extending portion 12 to support on an object, and the first bevel gear 21 and the second bevel gear 31 are pivotally disposed on the combining portion 11.

In the embodiment, each of the extending portions 12 and each of the top supporting members 42 are non-circular tubes, each of the extending portions 12 and each of the top supporting members 42 are square tubes, each of the extending portions 12 is slidably sleeved on one of the top supporting members 42, so that the extending portions 12 and the top supporting members 42 do not rotate relative to each other, one end of each of the extending portions 12 is communicated with the inside of the combining portion 11, and in other embodiments, the combining portion 11A of the housing 1A may be extended with other numbers of extending portions 12 (as shown in fig. 5) according to actual use conditions, so as to achieve multi-directional top supporting, without being limited thereto.

In addition, the threaded sleeves 41 of the top supporting structures 4 are fixedly arranged in the top supporting member 42, each screw rod 32 extends into one top supporting member 42, in the embodiment, each threaded sleeve 41 and one top supporting member 42 are inserted by at least one pin member 43, and in other embodiments, welding or other fixing methods can be adopted. A top-abutting portion 421 is disposed at one end of each top-supporting member 42 extending out of the extending portion 12, the radial dimension of the top-abutting portion 421 is greater than the radial dimension of the extending portion 12, so that not only a larger top-supporting area can be abutted against an object, but also the top-abutting portion 421 can be stopped at one end of the extending portion 12 away from the combining portion 11, thereby preventing the top-supporting member 42 from excessively extending into the extending portion 12.

Preferably, a partition 13 is disposed between each extending portion 12 and the combining portion 11, the screw 32 of each transmission structure 3 rotatably penetrates through one partition 13, the partition 13 is stopped at the second bevel gear 31 towards one side of the first bevel gear 21, and each second bevel gear 31 is limited by the corresponding partition 13 and the first bevel gear 21 and cannot slide relative to the housing 1.

To sum up, the utility model discloses a top supporting device to drive this second umbrella type gear of at least two when rotating by this first umbrella type gear, this swivel nut of each this top supporting structure and this top supporting piece slide this casing relatively promptly, can be by at least two this top supporting structures support the object when the direction of keeping away from this casing slides, in order to improve this top supporting device's practicality.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A jacking device, comprising:

a housing;

a driving structure, including a first bevel gear rotatably arranged on the shell;

at least two transmission structures, each transmission structure is rotatably arranged on the shell and comprises a second bevel gear and a screw rod which are fixedly connected, and each second bevel gear is meshed with the first bevel gear;

each top support structure comprises a threaded sleeve and a top support piece which are fixedly connected, each top support piece is non-rotatably arranged on the shell in a sliding manner, and each threaded sleeve is in threaded connection with one screw rod;

when the first bevel gear rotates, the at least two second bevel gears are driven to rotate, and the threaded sleeves and the supporting pieces of the supporting structures slide relative to the shell.

2. The jacking device as claimed in claim 1, wherein the driving structure further comprises a driving member, one end of the driving member is rotatably inserted into the housing and is operatively connected to the first bevel gear.

3. A jacking device as claimed in claim 2, wherein the driving member is a crank, one end of the crank being rotatably inserted into the housing and being operatively connected to the first bevel gear.

4. The jacking device as claimed in claim 1, wherein the driving structure further comprises a third bevel gear and a motor assembly, the third bevel gear and the first bevel gear are coaxially pivoted to the housing and engaged with the at least two second bevel gears, and a driving shaft of the motor assembly is linked and assembled to the third bevel gear.

5. A jacking device as claimed in any one of claims 1 to 4, wherein the housing includes a coupling portion and at least two extending portions extending from the coupling portion, each of the jacking members has one end slidably inserted into one of the extending portions and the other end extending out of the extending portion, and the first bevel gear and the at least two second bevel gears are pivotally mounted to the coupling portion.

6. The jacking device as claimed in claim 5, wherein each of the extending portions and each of the jacking members is a non-circular tube, and one end of each of the extending portions is communicated with the inside of the coupling portion.

7. The jacking device as claimed in claim 5, wherein the threaded sleeves of the jacking structures are fixedly arranged in the jacking members, and each screw rod extends into one of the jacking members.

8. The jacking device as claimed in claim 5, wherein each of the jacking members has an abutting portion at an end thereof extending beyond the extending portion, the abutting portion having a radial dimension larger than that of the extending portion.

9. The jacking device as claimed in claim 5, wherein a partition is disposed between each of the extending portions and the connecting portion, the screw of each of the transmission structures is rotatably inserted through one of the partitions, and the partition is stopped at the second bevel gear toward one side of the first bevel gear.

10. A jacking device as claimed in claim 3, further comprising a third bevel gear and a motor assembly, wherein the third bevel gear and the first bevel gear are coaxially pivoted to the housing and engaged with the at least two second bevel gears, and a driving shaft of the motor assembly is coupled to the third bevel gear; the shell comprises a combination part and at least two extension parts extending to the combination part, one end of each top support part is slidably inserted into one extension part, the other end of each top support part extends out of the extension part, and the first umbrella-shaped gear and the at least two second umbrella-shaped gears are pivoted to the combination part; each extending part and each top supporting part are non-circular tubes, and one end of each extending part is communicated with the inside of the combining part; the screw sleeve of each top support structure is fixedly arranged in the top support piece, and each screw rod extends into one top support piece; one end of each top supporting piece extending out of the extending part is provided with a butting part, and the radial size of the butting part is larger than that of the extending part; a partition plate is arranged between each extending part and each combining part, the screw rod of each transmission structure can rotatably penetrate through the partition plate, and one side, facing the first bevel gear, of the partition plate is blocked on the second bevel gear; each extension part and each top support part are square pipes, and each extension part can be sleeved on one top support part in a sliding way; each of the thread sleeves and the top support member are inserted by at least one pin member.