CN114343358A

CN114343358A - Column chassis linkage mechanism

Info

Publication number: CN114343358A
Application number: CN202111520662.8A
Authority: CN
Inventors: 项乐宏; 孙林涛; 邵同旺; 程军
Original assignee: Loctek Ergonomic Technology Co Ltd
Current assignee: Loctek Ergonomic Technology Co Ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-04-15
Anticipated expiration: 2041-12-13
Also published as: CN114343358B

Abstract

The invention discloses a column chassis linkage mechanism, and relates to a linkage mechanism which comprises a base, columns, support rods, first support legs and a linkage mechanism, wherein the columns are arranged at the upper end of the base and can rotate around the base, the linkage mechanism is arranged inside the base, one end of each column is connected with the linkage mechanism, two support rods are arranged on one side of the base, one end of each support rod extends into the base and is connected with the linkage mechanism, the first support legs are arranged at the other ends of the support rods, and the linkage mechanism can be driven to drive the two support rods to rotate by the rotation of the columns. According to the invention, the upright post is connected with the stay bar on the chassis through the linkage mechanism, and the stay bar on the chassis can be driven to be automatically opened or folded when the upright post rotates, so that frequent complex actions of installation and disassembly can be avoided, the installation is convenient and fast, the use is convenient, and the folded package is small in size and convenient to carry.

Description

Column chassis linkage mechanism

Technical Field

The invention relates to a linkage mechanism, in particular to an upright column chassis linkage mechanism.

Background

The upright post supports in the prior art are generally detachable supports, and the supports and the chassis are detachably connected.

However, for a large-scale support, the chassis needs to be disassembled during carrying at every time, the support legs on the chassis are disassembled, then the support legs and the chassis are assembled, the support legs and the chassis are assembled with the support after the assembly is completed, the use steps are complicated, and the packaging volume is too large if the support is integrally delivered.

Disclosure of Invention

The invention aims to provide an upright column chassis linkage mechanism which is used for solving the technical problem.

The technical scheme adopted by the invention is as follows:

a column chassis linkage mechanism comprises a base, a column, support rods, a first support leg and a linkage mechanism, wherein the column is arranged at the upper end of the base and can rotate around the base, the linkage mechanism is arranged inside the base, one end of the column is connected with the linkage mechanism, two support rods are arranged on one side of the base, one end of each support rod extends into the base and is connected with the linkage mechanism, the first support leg is arranged at the other end of each support rod, and the column can drive the linkage mechanism to drive the two support rods to rotate.

Preferably, the base comprises a lower shell and an upper shell arranged on the lower shell, wherein an avoiding groove is formed in the upper shell, and the avoiding groove is formed in the middle of the upper shell from one side of the upper shell.

Preferably, two mounting holes are formed in two sides of the avoidance groove, two rotating shafts are arranged at one end of the upright post, and each rotating shaft is located in one mounting hole.

Preferably, one side of the lower shell is provided with two notches, and one end of each support rod penetrates through one notch and extends into the base.

Preferably, the linkage mechanism comprises a slide rail assembly, the slide rail assembly comprises a rail and a slide block slidably arranged on the rail, the rail is connected with the lower shell, a first straight rack is arranged at the upper end of the slide block, and two second straight racks are arranged on two sides of the slide block.

Preferably, the outer edge of one end of the upright post is provided with a first arc-shaped tooth, and the first arc-shaped tooth is meshed with the first straight rack.

Preferably, an outer edge of one end of each supporting rod is provided with a second arc-shaped tooth, and each second arc-shaped tooth is meshed with one second straight rack.

As a further preferred option, the track further comprises a limiting block, the track is provided with one limiting block, one end of the sliding block is provided with a limiting groove, and one end of the limiting block can be inserted into the limiting groove.

The technical scheme has the following advantages or beneficial effects:

according to the invention, the upright post is connected with the stay bar on the chassis through the linkage mechanism, and the stay bar on the chassis can be driven to be automatically opened or folded when the upright post rotates, so that frequent complex actions of installation and disassembly can be avoided, the installation is convenient and fast, the use is convenient, and the folded package is small in size and convenient to carry.

Drawings

FIG. 1 is a schematic structural view of a column chassis linkage mechanism according to the present invention;

FIG. 2 is a schematic structural view of the column chassis linkage mechanism of the present invention without the upper housing;

fig. 3 is a schematic structural view of the slider in the present invention.

In the figure: 1. a base; 101. a lower housing; 102. an upper housing; 103. an avoidance groove; 104. a notch; 2. a column; 3. a stay bar; 4. a first leg; 5. a linkage mechanism; 51. a track; 52. a slider; 53. a first straight rack; 54. a second spur rack; 55. a first arcuate tooth; 56. a second arcuate tooth; 6. a rotating shaft; 7. a limiting block; 8. a limiting groove; 9. a second leg.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable 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 in specific cases to those skilled in the art.

FIG. 1 is a schematic structural view of a column chassis linkage mechanism according to the present invention; FIG. 2 is a schematic structural view of the column chassis linkage mechanism of the present invention without the upper housing; fig. 3 is a schematic structural diagram of a slider in the present invention, please refer to fig. 1 to 3, which illustrate a preferred embodiment, which illustrates an upright chassis linkage mechanism, including a base 1, an upright 2, a support rod 3, a first support 4 and a linkage mechanism 5, wherein the upper end of the base 1 is provided with the upright 2, the upright 2 can rotate around the base 1, the interior of the base 1 is provided with the linkage mechanism 5, one end of the upright 2 is connected with the linkage mechanism 5, one side of the base 1 is provided with two support rods 3, one end of each support rod 3 extends into the base 1 and is connected with the linkage mechanism 5, the other end of each support rod 3 is provided with the first support 4, and the upright 2 can rotate to drive the linkage mechanism 5 to drive the two support rods 3 to rotate. In this embodiment, as shown in fig. 1, fig. 1 shows a structure in which the upright 2 and the stay 3 are folded, the linkage mechanism 5 is fixed in the base 1, and the first leg 4 is connected to the stay 3, wherein the stay 3 can be rotated to fold or unfold, and the lower end of the other side of the base 1 is further provided with a second leg 9. Wherein, when stand 2 upwards rotates, stand 2 can drive link gear 5 for two vaulting poles 3 of link gear 5 drive are kept away from each other, realize opening of vaulting pole 3, can avoid the loaded down with trivial details action of frequent installation and dismantlement, and it is convenient to install, convenient to use, and folding back packing is small, the transport of being convenient for. The column chassis linkage mechanism of the invention has wide application range, for example, but not limited to, the column chassis linkage mechanism is applied to structures such as a displacement machine, a folding bracket, or some moving brackets.

Further, as a preferred embodiment, the base 1 includes a lower casing 101 and an upper casing 102 disposed on the lower casing 101, an avoiding groove 103 is formed on the upper casing 102, and the avoiding groove 103 is formed in the middle of the upper casing 102 from one side of the upper casing 102. In this embodiment, the upper housing 102 and the lower housing 101 are detachably connected, the linkage 5 is disposed in the lower housing 101, and the column 2 is fixed to the upper housing 102 and can rotate relative to the upper housing 102. The provision of the escape slot 103 facilitates rotation of the upright 2.

Further, as a preferred embodiment, two mounting holes are disposed on two sides of the avoiding groove 103, and two rotating shafts are disposed at one end of the upright 2, each rotating shaft being disposed in one of the mounting holes. In this embodiment, the column 2 is hinged to the two mounting holes, so that the column 2 can rotate in the avoiding groove 103. Wherein, dodge the inside of groove 103 intercommunication base 1, the one end of stand 2 is located dodges the groove 103 to the part is located base 1.

Further, as a preferred embodiment, two notches 104 are formed on one side of the lower casing 101, and one end of each supporting rod 3 passes through one notch 104 and extends into the base 1. In this embodiment, as shown in fig. 1, the notches 104 are symmetrically disposed at both ends of one side of the lower case 101, and one end of the stay 3 is rotatable in the notch 104.

Further, as a preferred embodiment, the linkage mechanism 5 includes a slide rail assembly, the slide rail assembly includes a rail 51 and a slide block 52 slidably disposed on the rail 51, wherein the rail 51 is connected to the lower housing 101, the upper end of the slide block 52 is provided with a first spur rack 53, and two sides of the slide block 52 are provided with two second spur racks 54. In this embodiment, the two ends of the track 51 are connected to the inner walls of the two sides of the lower housing 101, and the slider 52 can slide on the slide rail, wherein the slide of the slider 52 is driven by the rotation of the upright 2.

Further, as a preferred embodiment, an outer edge of one end of the upright post 2 is provided with a first arc-shaped tooth 55, and the first arc-shaped tooth 55 is engaged with the first straight rack 53.

Further, as a preferred embodiment, the outer edge of one end of each brace rod 3 is respectively provided with a second arc-shaped tooth 56, and each second arc-shaped tooth 56 is respectively meshed with a second straight rack 54. When the stand 2 is rotatory, the stand 2 drives first arc tooth 55 rotatory for first arc tooth 55 drives first spur rack 53 and drives slider 52 and slide on track 51, and when slider 52 slided, slider 52 drives two second spur racks 54 and removes, and second spur rack 54 drives second arc tooth 56 and rotates, makes second arc tooth 56 drive vaulting pole 3 and rotates, makes vaulting pole 3 fold or open, convenient to use, and the transport is convenient.

Further, as a preferred embodiment, the device further comprises a limiting block 7, the rail 51 is provided with the limiting block 7, one end of the sliding block 52 is provided with a limiting groove 8, and one end of the limiting block 7 can be inserted into the limiting groove 8. In this embodiment, as shown in fig. 2 and fig. 3, the other end of the limiting block 7 is hinged to the rail 51, the other end of the limiting block 7 extends into the limiting groove 8 and is used for limiting the moving distance of the sliding block 52, when the upright post 2 rotates downward, the first arc-shaped teeth 55 drive the sliding block 52 to move in the direction close to the limiting block 7, so that the limiting block 7 enters the limiting groove 8, the second arc-shaped teeth 56 on the sliding block 52 drive the stay bar 3 to be folded, when the limiting block 7 enters the limiting groove 8, the upright post 2 is parallel to the stay bar 3, and when the stay bar 3 is opened, the upright post 2 is perpendicular to the stay bar 3.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims

1. The column chassis linkage mechanism is characterized by comprising a base, columns, support rods, a first support leg and a linkage mechanism, wherein the columns are arranged at the upper end of the base and can rotate around the base, the linkage mechanism is arranged in the base, one end of each column is connected with the linkage mechanism, two support rods are arranged on one side of the base, one end of each support rod extends into the base and is connected with the linkage mechanism, the first support leg is arranged at the other end of each support rod, and the column can drive the linkage mechanism to drive the two support rods to rotate.

2. The column chassis linkage mechanism according to claim 1, wherein the base includes a lower housing and an upper housing disposed on the lower housing, and an avoiding groove is formed on the upper housing, and the avoiding groove is formed from one side of the upper housing to a middle portion of the upper housing.

3. The column chassis linkage of claim 2, wherein two mounting holes are provided on either side of the evasion slot, and two pivot shafts are provided at one end of the column, each pivot shaft being located in a respective one of the mounting holes.

4. The column-chassis linkage mechanism according to claim 2, wherein one side of the lower housing is formed with two notches, and one end of each of the stay bars passes through one of the notches and extends into the base.

5. The column chassis linkage mechanism according to claim 1, wherein the linkage mechanism comprises a slide rail assembly, the slide rail assembly comprises a rail and a slide block slidably disposed on the rail, wherein the rail is connected with the lower housing, a first spur rack is disposed at an upper end of the slide block, and two second spur racks are disposed at two sides of the slide block.

6. The column chassis linkage of claim 5, wherein an outer edge of one end of the column is provided with a first arcuate tooth, the first arcuate tooth being engaged with the first linear rack.

7. The upright chassis linkage of claim 5 wherein each of said struts has a second arcuate tooth formed on an outer edge of one end thereof, each of said second arcuate teeth being engaged with one of said second spur racks.

8. The column chassis linkage mechanism according to claim 5, further comprising a limiting block, wherein the rail is provided with the limiting block, one end of the sliding block is provided with a limiting groove, and one end of the limiting block can be inserted into the limiting groove.