CN215604352U

CN215604352U - Lifting chair

Info

Publication number: CN215604352U
Application number: CN202121727939.XU
Authority: CN
Inventors: 苏尚州
Original assignee: YUCAI HOLDING GROUP CO Ltd
Current assignee: YUCAI HOLDING GROUP CO Ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-01-25
Anticipated expiration: 2031-07-27

Abstract

The utility model relates to a lifting chair which comprises a chair frame and a chair plate arranged on the chair frame, wherein the chair frame comprises a left supporting leg, a left lifting leg, a right supporting leg and a right lifting leg, a first mounting hole is formed in the left supporting leg, a plurality of second mounting holes are formed in the left lifting leg at intervals along the vertical direction of the left lifting leg, a third mounting hole is formed in the right supporting leg, a plurality of fourth mounting holes are formed in the right lifting leg at intervals along the vertical direction of the right lifting leg, the lifting chair further comprises a first sleeve and a second sleeve, the first sleeve is arranged on the inner side of the left lifting leg, the second sleeve is arranged on the inner side of the right lifting leg, a plurality of first threaded holes are formed in the first sleeve at intervals along the vertical direction of the first sleeve, and a plurality of second threaded holes are formed in the second sleeve at intervals along the vertical direction of the second sleeve. By adopting the technical scheme, the utility model provides the lifting chair, the sleeve made of plastic is additionally arranged, and the external thread is arranged on the sleeve, so that the lifting chair is convenient to process.

Description

Lifting chair

Technical Field

The utility model relates to a lifting chair.

Background

The chair is widely applied to daily life and work of people. Some chairs in the prior art have fixed heights, cannot be adjusted in height, and some chairs can be adjusted manually or automatically, for example, school tables and chairs in school are manually adjusted, the chair comprises a chair frame and a chair plate arranged on the chair frame, the chair frame comprises a left supporting leg and a right supporting leg, a left lifting leg is arranged on the left supporting leg, a plurality of first mounting holes are arranged on the left supporting leg at intervals along the vertical direction, a plurality of second mounting holes are arranged on the left lifting leg at intervals along the vertical direction, the second mounting holes are aligned with the first mounting holes and are penetrated by first locking pieces to realize locking between the left lifting leg and the left supporting leg, a right lifting leg is arranged on the right supporting leg, a plurality of third mounting holes are arranged on the right lifting leg at intervals along the vertical direction, a plurality of fourth mounting holes are arranged on the right lifting leg at intervals along the vertical direction, fourth mounting hole and third mounting hole align and wear to be equipped with the second locking piece and realize the locking between right lift leg and the right supporting leg, all are equipped with the external screw thread in second mounting hole and the fourth mounting hole, correspond on two locking pieces to be equipped with external screw thread complex internal thread. When the height of the chair needs to be adjusted, the two locking pieces need to be detached from the corresponding mounting holes, the positions of the two lifting legs are adjusted as required, and the two locking pieces are arranged in the corresponding mounting holes in a penetrating mode to achieve locking. However, in the above structure, the external threads are arranged on the two lifting legs, and the existing chair frame is made of metal materials, so that the processing is inconvenient during the manufacturing.

Disclosure of Invention

The purpose of the utility model is as follows: in order to overcome the defects of the prior art, the utility model provides the lifting chair, wherein a sleeve made of plastic is additionally arranged, and external threads are arranged on the sleeve, so that the lifting chair is convenient to process.

The technical scheme of the utility model is as follows: a lifting chair comprises a chair frame and a chair plate arranged on the chair frame, wherein the chair frame comprises a left supporting leg, a left lifting leg, a right supporting leg and a right lifting leg, the chair plate is directly or indirectly arranged at the upper ends of the two lifting legs, the left lifting leg is connected with the left supporting leg through a first locking piece, the right lifting leg is connected with the right supporting leg through a second locking piece, the left supporting leg is provided with a first mounting hole, the left lifting leg is provided with a plurality of second mounting holes at intervals along the vertical direction, the second mounting holes are aligned with the first mounting holes and are provided with the first locking pieces in a penetrating way, the right supporting leg is provided with a third mounting hole, the right lifting leg is provided with a plurality of fourth mounting holes at intervals along the vertical direction, the fourth mounting holes are aligned with the third mounting holes and are provided with the second locking pieces in a penetrating way, the lifting chair is characterized by further comprising a first sleeve and a second sleeve, first sleeve pipe sets up the inboard at left lift leg, and the second sleeve pipe sets up the inboard at right lift leg, be equipped with a plurality of first screw holes along its vertical direction interval on the first sleeve pipe, first screw hole and second mounting hole one-to-one set up, be equipped with a plurality of second screw holes along its vertical direction interval on the second sleeve pipe, second screw hole and fourth mounting hole one-to-one set up, first locking piece passes first mounting hole and second mounting hole and first screw hole screw-thread fit in proper order realizes the locking of left lift leg and left supporting leg, the second locking piece passes third mounting hole and fourth mounting hole and second screw hole screw-thread fit in proper order realizes the locking of right lift leg and right supporting leg.

Adopt above-mentioned technical scheme, when the height of chair need be adjusted, take off two locking pieces respectively from two mounting holes and the screw hole that correspond, then upwards stimulate the chair board or with the chair board downstream, adjust to suitable high back, make second mounting hole and first mounting hole align, fourth mounting hole and third mounting hole align, pass corresponding mounting hole again with two locking pieces in proper order, realize the locking with the screw hole screw-thread fit that corresponds, set up the screw hole in two cannulas, convenient processing like this.

The utility model further comprises the following steps: the left supporting leg, the left lifting leg, the right supporting leg and the right lifting leg are all arranged in a hollow tubular shape, the left lifting leg is arranged in a hollow portion of the left supporting leg in a sliding mode, the first sleeve is inserted into the hollow portion of the left lifting leg, the right lifting leg is arranged in the hollow portion of the right supporting leg in a sliding mode, and the second sleeve is inserted into the hollow portion of the right lifting leg.

Adopt above-mentioned further setting, stable in structure, simple to operate.

The utility model further provides that: the first sleeve and the second sleeve are both made of plastics.

By adopting the above further arrangement, the processing of the sleeve is convenient, and the sleeve can be integrally formed by injection molding.

Still further arrangements of the utility model are: still including first sliding sleeve and second sliding sleeve, first sliding sleeve cover is established in the periphery of left lift leg, and the up end conflict setting of terminal surface and left supporting leg down, and the periphery at right lift leg is established to second sliding sleeve cover, and the up end conflict setting of terminal surface and right supporting leg down.

By adopting the above further arrangement, the lifting legs can slide conveniently.

Still further arrangements of the utility model are: the chair frame further comprises a cross beam, one end of the cross beam is connected with the left supporting leg, and the other end of the cross beam is connected with the right supporting leg.

Adopt above-mentioned still further setting for the structure of chair frame is more stable, and is more firm, can also place the board at the installation on the crossbeam, stacks some article on placing the board, and the increase is put the thing space.

Still further arrangements of the utility model are: the two ends of the cross beam are connected with corresponding supporting legs through connecting pieces, inserting pieces are arranged on the two sides of the connecting pieces, inserting slots are correspondingly formed in the supporting legs, and the inserting pieces are inserted in the corresponding inserting slots to achieve installation of the connecting pieces.

By adopting the above further arrangement, the beam is convenient to disassemble and assemble and is convenient to transport.

Still further arrangements of the utility model are: a plurality of fifth mounting holes are formed in the connecting piece at intervals in the vertical direction of the connecting piece, sixth mounting holes are correspondingly formed in the two supporting legs, and third locking pieces penetrate through the fifth mounting holes and the sixth mounting holes to lock the connecting piece and the supporting legs.

By adopting the above further arrangement, the structure is simple and the installation is convenient.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of an embodiment of the present invention;

FIG. 3 is a schematic view of a left support leg and a left lifting leg of an embodiment of the present invention;

FIG. 4 is a schematic view of a right support leg and a right lift leg of an embodiment of the present invention;

FIG. 5 is a schematic view of a left lifting leg of an embodiment of the present invention;

FIG. 6 is a schematic view of a first bushing in accordance with an embodiment of the present invention;

FIG. 7 is a schematic view of a left support leg of an embodiment of the present invention;

FIG. 8 is a schematic view of a connecting tab according to an embodiment of the utility model.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

It should be noted that all the directional indications (such as up, down, front, and back … …) in the description of the present invention are only used to explain the relative position relationship between the components, the movement, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a number" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary that a person skilled in the art can realize the technical solutions, and when the technical solutions are contradictory or cannot be realized, such a combination of the technical solutions should be considered to be absent and not within the protection scope of the present invention.

As shown in figures 1-8, a lifting chair comprises a chair frame 1 and a chair plate 2 arranged on the chair frame 1, wherein the chair frame 1 comprises a left supporting leg 3, a left lifting leg 4, a right supporting leg 5 and a right lifting leg 6, the left supporting leg 3 and the right supporting leg 5 have the same structure, the left lifting leg 4 and the right lifting leg 6 have the same structure, the chair plate 2 is directly or indirectly arranged at the upper ends of the two

lifting legs

4 and 6 and is indirectly arranged, cross bars are integrally welded at the upper ends of the two

lifting legs

4 and 6, the chair plate is connected with the two cross bars through screws, the left lifting leg 4 is connected with the left supporting leg 3 through a first locking piece 7, the right lifting leg 6 is connected with the right supporting leg 4 through a second locking piece 8, the locking piece adopts screws, the left supporting leg 3 is provided with a first mounting hole, a plurality of second mounting holes 41 are arranged on the left lifting leg 4 at intervals along the vertical direction, the second mounting hole 41 is aligned with the first mounting hole and is penetrated by the first locking piece 7, the right support leg 5 is provided with a third mounting hole 51, only one or two or more first mounting holes and third mounting holes 51 can be arranged, in the embodiment, two mounting holes are arranged at a certain distance, and two corresponding screws are also arranged, so that the structure is firm, the right lifting leg 6 is provided with a plurality of fourth mounting holes at intervals along the vertical direction, the fourth mounting holes are aligned with the third mounting holes 51 and are penetrated by the second locking piece 8, the right lifting leg further comprises a first sleeve 9 and a second sleeve, the two sleeve are identical in structure and are made of plastics, the processing of the sleeves is convenient, the first sleeve 9 is arranged on the inner side of the left lifting leg 4, the second sleeve is arranged on the inner side of the right lifting leg 6, the first sleeve 9 is provided with a plurality of first threaded holes 91 at intervals along the vertical direction, the first threaded holes 91 and the second mounting holes 41 are arranged in a one-to-one correspondence manner, a plurality of second threaded holes are arranged on the second sleeve at intervals along the vertical direction of the second sleeve, the second threaded holes and the fourth mounting holes are arranged in a one-to-one correspondence manner, the first locking piece 7 sequentially penetrates through the first mounting holes and the second mounting holes 41 to be in threaded fit with the first threaded holes 91 to realize the locking of the left lifting leg 4 and the left supporting leg 3, the second locking piece 8 sequentially penetrates through the third mounting holes 51 and the fourth mounting holes to be in threaded fit with the second threaded holes to realize the locking of the right lifting leg 6 and the right supporting leg 5, when the height of the chair needs to be adjusted, the two

locking pieces

7 and 8 are respectively taken down from the two corresponding mounting holes and the corresponding threaded holes, then the chair plate 2 is pulled upwards or the chair plate 2 is moved downwards, after the height is adjusted to be proper, the second mounting holes 41 are aligned with the first mounting holes, and the fourth mounting holes are aligned with the third mounting holes 51, and then the two

locking pieces

7 and 8 sequentially pass through the corresponding mounting holes to be matched with the corresponding threaded holes 91 in a threaded manner to realize locking, and the threaded holes are arranged in the two cannulas, so that the processing is convenient.

Specifically, left supporting leg 3, left lifting leg 4, right supporting leg 5 and right lifting leg 6 all are the setting of cavity tubulose, and left lifting leg 4 slides and sets up in the well kenozooecium of left supporting leg 3, and first sleeve 9 is inserted and is established in the well kenozooecium of left lifting leg 4, and right lifting leg 6 slides and sets up in the well kenozooecium of right supporting leg 5, and the second sleeve is inserted and is established in the well kenozooecium of right lifting leg 6, stable in structure, simple to operate.

In this embodiment, still including first sliding sleeve 11 and second sliding

sleeve

12, 11 covers of first sliding sleeve are established in the periphery of left lift leg 4, and the up end of lower terminal surface and left supporting leg 3 contradicts the setting, and 12 covers of second sliding sleeve are established in the periphery of right lift leg 6, and the up end of lower terminal surface and right supporting leg 5 contradicts the setting, make things convenient for the slip of lift leg.

In this embodiment, chair frame 1 is still including crossbeam 13, crossbeam 13 one end is connected with left supporting leg 3, and the other end is connected with right supporting leg 5 for chair frame 1's structure is more stable, and is more firm, can also place board 1 in the installation on crossbeam 13, stacks some article on placing board 1, and the increase is put the object space.

Specifically, the both ends of crossbeam 13 are all connected with supporting

leg

3, 5 that correspond through connection piece 14, the both sides of connection piece 14 are equipped with inserted sheet 141, correspond on supporting

leg

3, 5 and are equipped with slot 32, and inserted sheet 141 inserts and establishes the installation of realizing connection piece 14 in the slot 32 that corresponds, be equipped with a plurality of fifth mounting holes 142 along its vertical direction interval on the connection piece 14, correspond on two supporting

legs

3, 5 and be equipped with sixth mounting hole 33, wear to establish third locking piece 15 in fifth mounting hole 142 and the sixth mounting hole 33 and realize the locking of connection piece 14 and supporting

leg

3, 5, the dismouting of crossbeam 13 of being convenient for, convenient transportation, simple structure, simple to operate.

Claims

1. A lifting chair comprises a chair frame and a chair plate arranged on the chair frame, wherein the chair frame comprises a left supporting leg, a left lifting leg, a right supporting leg and a right lifting leg, the chair plate is directly or indirectly arranged at the upper ends of the two lifting legs, the left lifting leg is connected with the left supporting leg through a first locking piece, the right lifting leg is connected with the right supporting leg through a second locking piece, the left supporting leg is provided with a first mounting hole, the left lifting leg is provided with a plurality of second mounting holes at intervals along the vertical direction, the second mounting holes are aligned with the first mounting holes and are provided with the first locking pieces in a penetrating way, the right supporting leg is provided with a third mounting hole, the right lifting leg is provided with a plurality of fourth mounting holes at intervals along the vertical direction, the fourth mounting holes are aligned with the third mounting holes and are provided with the second locking pieces in a penetrating way, the lifting chair is characterized by further comprising a first sleeve and a second sleeve, first sleeve pipe sets up the inboard at left lift leg, and the second sleeve pipe sets up the inboard at right lift leg, be equipped with a plurality of first screw holes along its vertical direction interval on the first sleeve pipe, first screw hole and second mounting hole one-to-one set up, be equipped with a plurality of second screw holes along its vertical direction interval on the second sleeve pipe, second screw hole and fourth mounting hole one-to-one set up, first locking piece passes first mounting hole and second mounting hole and first screw hole screw-thread fit in proper order realizes the locking of left lift leg and left supporting leg, the second locking piece passes third mounting hole and fourth mounting hole and second screw hole screw-thread fit in proper order realizes the locking of right lift leg and right supporting leg.

2. The lift chair as claimed in claim 1, wherein the left, right and left lift legs are hollow tubular, the left lift leg is slidably disposed in the hollow portion of the left support leg, the first sleeve is inserted in the hollow portion of the left lift leg, the right lift leg is slidably disposed in the hollow portion of the right support leg, and the second sleeve is inserted in the hollow portion of the right lift leg.

3. A lift chair according to claim 1 or claim 2, wherein said first and second sleeves are made of plastic.

4. The lifting chair according to claim 3, further comprising a first sliding sleeve and a second sliding sleeve, wherein the first sliding sleeve is sleeved on the periphery of the left lifting leg, the lower end face of the first sliding sleeve abuts against the upper end face of the left supporting leg, the second sliding sleeve is sleeved on the periphery of the right lifting leg, and the lower end face of the second sliding sleeve abuts against the upper end face of the right supporting leg.

5. The lift chair of claim 1, wherein the frame further comprises a cross member, one end of the cross member being connected to the left support leg and the other end of the cross member being connected to the right support leg.

6. The lifting chair according to claim 5, wherein both ends of the cross beam are connected with the corresponding supporting legs through connecting pieces, inserting pieces are arranged on both sides of the connecting pieces, inserting grooves are correspondingly arranged on the supporting legs, and the inserting pieces are inserted into the corresponding inserting grooves to realize the installation of the connecting pieces.

7. The lifting chair as claimed in claim 5, wherein the connecting plate is provided with a plurality of fifth mounting holes at intervals along a vertical direction thereof, the two support legs are correspondingly provided with sixth mounting holes, and third locking members are inserted into the fifth mounting holes and the sixth mounting holes to lock the connecting plate and the support legs.