CN213370557U

CN213370557U - Lifting device suitable for table and chair, lifting table and lifting chair

Info

Publication number: CN213370557U
Application number: CN202021903928.8U
Authority: CN
Inventors: 尹守光
Original assignee: Taicang Yipin Furniture Co ltd
Current assignee: Taicang Yipin Furniture Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-06-08
Anticipated expiration: 2030-09-03

Abstract

The utility model provides a include: the upper sleeve is sleeved on the upper sleeve, the lower sleeve is sleeved on the lower sleeve, the bolt piece is detachably connected in the bolt hole and supported on the lower sleeve, and the bolt piece can be inserted into the bolt hole at a specified height for positioning; the upper sleeve piece is coaxially and movably arranged in the lower sleeve piece; the upper sleeve and the lower sleeve can be detachably connected. The utility model discloses an utilize bolt spare to fix a position the lift height of table chair in upper portion external member, lower part external member to the solution only needs alone bare-handed lift height that just can accomplish simple and easy installation regulation table chair.

Description

Lifting device suitable for table and chair, lifting table and lifting chair

Technical Field

The utility model relates to a teaching office accommodation technical field especially relates to a elevating gear, lift table and lift chair suitable for table chair.

Background

In modern society, people pursue comfortable study, work and living environment, and the customization is the most suitable self condition certainly, but involves the customization, and no matter time cost or economic cost all can increase, especially to desk, the chair that daily study or official working used, people's height differs, just is different to the demand of desk and chair height, has just appeared the table chair that can go up and down on the market so. But the lift mode of current table chair mostly adopts screw fastening and two people above the operation just can accomplish lift adjustment, and this kind of mode is wasted time and energy and need professional instrument and many people just can accomplish the operation, and the cost is higher.

Through search, patent document CN202603998U discloses a table and chair lifting device, which is composed of a lifting member and a mounting member that are installed in a matching manner, wherein the lifting member is hollow inside, and the lower part of the lifting member is provided with a hole; the upper part of the mounting part is sleeved in the lifting part; still include a fixed button, the one end of this fixed button is located downthehole to the installed part in the swing joint lifter. Although the problem of time and labor consuming operation of lifting the table and chair by fixing the screw rod and the nut is solved, the prior art still has limitation in height adjustment, the mounting hole is not easy to use due to lifting abrasion, and the screwing and unscrewing mode of the lifting piece is more labor-consuming. Therefore, it is necessary to design a lifting device that is time-saving, labor-saving, convenient and fast.

SUMMERY OF THE UTILITY MODEL

To the defects in the prior art, the utility model aims at providing a elevating gear, lift table and lift chair suitable for table chair.

According to the utility model provides a pair of elevating gear suitable for table chair, include: an upper sleeve, a bolt piece, a lower sleeve, an upper sleeve piece, a lower sleeve piece and a bolt hole,

the upper sleeve piece is sleeved on the upper sleeve piece, the lower sleeve piece is sleeved on the lower sleeve piece, the bolt piece is detachably connected in the bolt hole and supported on the lower sleeve piece, and the bolt piece can be inserted into the bolt hole at a specified height for positioning; the upper sleeve piece is coaxially and movably arranged in the lower sleeve piece; the upper sleeve and the lower sleeve can be detachably connected.

Preferably, the upper sleeve is provided with an internal thread and the lower sleeve is provided with an external thread.

Preferably, the bolt piece is semi-circular arc, and the geometric centre of circular arc is provided with the arch, and the arch can use with bolt hole cooperation.

Preferably, the outer sides of the upper sleeve and the lower sleeve are provided with anti-slip threads.

Preferably, the diameter of the upper sleeve member is smaller than that of the lower sleeve member, and the upper sleeve member is inserted into the lower sleeve member with a gap, so that the upper sleeve member can be freely inserted or withdrawn.

Preferably, the latch hole is provided on the upper bushing member.

Preferably, the radius of the latch member is smaller than the radius of the lower sleeve.

Preferably, the outer surface of the projection of the latch member is provided with a non-slip sleeve.

According to the utility model provides a lifting table, which comprises the lifting device applicable to the table and the chair.

According to the utility model provides a pair of lifting chair, including foretell elevating gear who is applicable to table chair.

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

1. the utility model discloses an install bolt spare on last casing pipe spare, can freely adjust the height of table chair.

2. The utility model discloses an utilize bolt spare to fix a position the lift height of table chair in upper portion external member, lower part external member to the solution only needs alone bare-handed lift height that just can accomplish simple and easy installation regulation table chair.

3. The utility model discloses a surface at upper portion external member and lower part external member sets up anti-skidding line, can solve the user and put forth effort better in screwing and the operation of back-out, and more laborsaving.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is an exploded view of the present invention;

fig. 2 is a schematic structural view of the upper sleeve of the present invention;

fig. 3 is a schematic structural view of the plug member of the present invention;

FIG. 4 is a schematic view of the structure of the lower sleeve of the present invention;

fig. 5 is a schematic view of the assembly of the plug member and the upper sleeve member of the present invention;

fig. 6 is a schematic view of the assembly of the lower sleeve member and the lower sleeve member according to the present invention;

fig. 7 is a schematic view of the overall assembly of the upper and lower kits of the present invention;

FIG. 8 is a schematic view of the assembly of the lifting table of the present invention;

fig. 9 is an assembly view of the middle lift chair of the present invention.

In the figure:

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

As shown in fig. 1-7, the utility model provides a lifting device suitable for table chair, include: an upper sleeve 1, a bolt piece 2, a lower sleeve 3, an upper sleeve piece 4, a lower sleeve piece 5 and a bolt hole 7,

wherein, the upper sleeve member 1 is sleeved on the upper sleeve member 4, and the upper sleeve member 1 can freely rotate on the upper sleeve member 4; the lower sleeve member 3 is sleeved on the lower sleeve member 5; a latch hole 7 is provided on the upper sleeve member 4.

Further, the diameter of the lower sleeve member 5 is larger than the diameter of the upper sleeve member 4; the geometrical center of the bolt piece 2 is provided with a bulge which can be inserted into a bolt hole 7 at a designated position, thereby adjusting the height of the table and chair.

Still further, after inserting the bolt piece 2 to the bolt hole 7 of assigned position, can sink into lower part external member 3 and fix a position, upper portion external member 1 is screwed the combination with lower part external member 3 and is connected, and the elevating gear that is applicable to the table chair promptly combines promptly and finishes.

Furthermore, the upper sleeve 1 is provided with an internal thread and the lower sleeve 3 is provided with an external thread, and the upper sleeve 1 and the lower sleeve 3 can be screwed together.

The utility model discloses aPreferred embodiment(s) of the inventionFor further explanation.

Based on above-mentioned basic embodiment, upper portion external member 1 and lower part external member 3 adopt PVC material or PB material, environmental protection and durable.

The utility model discloses aVariation exampleFor further explanation.

Based on the above basic embodiment, the pin holes may be arranged on the upper sleeve member 4 at equal intervals, or may be arranged on the upper sleeve member 4 at equal intervals.

Based on the basic embodiment described above, the pin holes can also be provided in the lower sleeve part 5.

Based on the basic embodiment described above, the upper set 1 and the lower set 3 can be replaced by a snap connection instead of a threaded connection.

The assembling method comprises the following steps:

fixing the lower sleeve 3 and the lower sleeve 5, and sleeving the upper sleeve 1 into the upper sleeve 4; inserting the bolt piece 2 into a bolt hole 7 with a proper height for positioning; then the upper casing piece 4 is inserted into the lower casing piece 5 until the bolt piece 2 sinks into the lower external member 3 for positioning; and finally, combining, screwing and fixing the upper external member 1 and the lower external member 3, namely completing the installation.

As shown in fig. 8, the present invention provides a lifting table, which comprises a table top 6 and a lifting device, and is assembled according to the illustration to obtain a lifting table.

As shown in fig. 9, the utility model provides a lifting chair, which comprises a chair body 8 and a lifting device, and the lifting chair can be obtained by assembling according to the figure.

The utility model discloses a neither need professional instrument and many people operation, only need alone bare-handed just can simply install the regulation and accomplish. The operation can be completed quickly and simply, and the cost is greatly saved.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A lifting device suitable for a table and chair, comprising: an upper sleeve (1), a bolt piece (2), a lower sleeve (3), an upper sleeve piece (4), a lower sleeve piece (5) and a bolt hole (7), wherein the upper sleeve piece (1) is sleeved on the upper sleeve piece (4),

the lower sleeve piece (3) is sleeved on the lower sleeve piece (5),

the bolt piece (2) is detachably connected in a bolt hole (7) and supported on the lower sleeve piece (3), and the bolt piece (2) can be inserted into the bolt hole (7) at a specified height for positioning;

the upper sleeve piece (4) is coaxially and movably arranged in the lower sleeve piece (5);

the upper sleeve (1) and the lower sleeve (3) can be detachably connected.

2. Lifting device for tables and chairs according to claim 1, characterised in that said upper sleeve (1) is provided with an internal thread and said lower sleeve (3) is provided with an external thread.

3. Lifting device suitable for tables and chairs according to claim 1, characterised by the fact that said latch member (2) is semi-circular arc shaped, with a projection at the geometric centre of the arc, said projection being able to cooperate with said latch hole (7).

4. Lifting device suitable for tables and chairs according to claim 1, characterised in that the outer sides of said upper and lower external members (1, 3) are provided with anti-slip threads.

5. The lifting device for tables and chairs according to claim 1, characterized in that the diameter of the upper sleeve member (4) is smaller than the diameter of the lower sleeve member (5), and the upper sleeve member (4) is inserted into the lower sleeve member (5) with clearance and can be freely inserted or extracted.

6. Lifting device for tables and chairs according to claim 1, characterised in that said latch hole (7) is provided on said upper sleeve element (4).

7. Lifting device for tables and chairs according to claim 1, characterised in that the radius of the latch member (2) is smaller than the radius of the lower sleeve (3).

8. A lifting device adapted for tables and chairs as claimed in claim 3, characterised in that the projecting outer surface of the latch member (2) is provided with an anti-slip sleeve.

9. A lifting table, characterized in that it comprises a lifting device suitable for tables and chairs according to any one of claims 1 to 8.

10. A lifting chair comprising a lifting device for tables and chairs according to any one of claims 1 to 8.