CN218682877U - Desk and chair with height adjustment - Google Patents

Abstract

The utility model discloses a desk chair with altitude mixture control, including the table, the below fixed mounting of table has a table case, the below fixed mounting of table has the table leg, the below fixed mounting of table leg has the screw rod, and other structures of screw rod cooperation can rise and descend and reach the effect of adjusting the desk height, and the under casing cover is established the bottom of table leg, the bottom and the sole piece of under casing pass through telescopic link fixed connection, the top fixedly connected with iron box of sole piece, the inside cover of iron box is equipped with stool leg bedplate, and the below fixed mounting of bedplate has the fixed block, the below fixedly connected with lifter of fixed block, the below fixedly connected with dead lever of lifter, the articulated depression bar that lifts that is connected with in middle part of dead lever, through pressing or lifting the depression bar, can adjust the height of chair.

Description

Desk and chair with height adjustment

Technical Field

The utility model relates to a teaching equipment technical field specifically is a desk chair with altitude mixture control.

Background

In order to facilitate teaching, all schools are equipped with a set of desk and chair for students, so that the desk and chair is one of essential teaching tools for all schools.

In the prior art, school desks and chairs are basically customized in a unified mode and cannot be adjusted according to heights of different students, the students with the height are easy to hunch back, and the students with the height are easy to be short-sighted, so that physical health of the students is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a desk chair with altitude mixture control solves the problem that the above-mentioned background was mentioned.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a desk chair with altitude mixture control, includes the table, the below fixed mounting of table has a table case, the below fixed mounting of table has the table leg, the below fixed mounting of table leg has the screw rod, the bottom fixed mounting of screw rod has the cushion, the middle part threaded connection of screw rod has first conical gear, first conical gear fixed connection is in the inboard of first bearing, the outside fixed connection of first bearing is on the inner wall of under casing, the under casing cover is established the bottom of table leg, the carousel passes through the inboard and pivot fixed connection of second bearing, the outside fixed connection of second bearing is in on the outer wall of under casing, the other end fixedly connected with second conical gear of pivot, second conical gear meshes with first conical gear and is connected, the bottom of under casing passes through telescopic link fixed connection with the under casing, the inboard interlude of under casing has the straight-bar, the top fixedly connected with the iron flask of under casing, the inside cover of iron flask is equipped with the bench leg, the top fixedly connected with of bench leg, the top fixedly connected with leaning on the pole, one side fixed mounting of leaning on the board, the fixed mounting of bench leg is connected with the dwang pole the fixed mounting the fixed pole and the dead lever, the fixed pole is connected with the pole at the lower part of lifting leg, the dead lever, the fixed mounting is connected with the pole and the dead lever, the dead lever is connected with the fixed pole at the lower part of lifting pole is connected with the fixed pole and the fixed pole hinged under the dead lever.

Preferably, the bottom box and all structures inside the bottom box are two and are symmetrical with each other about a symmetry axis in the vertical direction of the table, and the table tops can rise in parallel and cannot incline through symmetrical arrangement.

Preferably, the friction plate is installed at the bottom of the bottom box, and the bottom box is protected from being abraded and the cushion block is prevented from falling out by the friction plate.

Preferably, the handle is arranged on the rotary table, and the rotary table can be conveniently rotated to adjust the height of the table by arranging the handle.

Preferably, the iron box is provided with a jack, and the lifting device can be fixed by inserting the jack into the insert block.

Preferably, the tail part of the bottom block is inserted with an insertion block, the size of the insertion block is equal to that of the insertion hole in the iron box, and the lifting device can be fixed better.

The utility model provides a desk and chair with height adjustment. This desk chair with altitude mixture control possesses following beneficial effect:

(1) The desk and chair with the height adjustment function drives the rotating shaft to rotate by rotating the rotating disc, so that the second bevel gear drives the first bevel gear to rotate, the threaded rod is lifted and lowered, and the effect of adjusting the height of the desk is achieved;

(2) According to the desk and chair with the height adjusting function, the pressing rod is pressed or lifted, the height of the seat plate of the chair is adjusted, and the seat plate is fixed through the inserting block, so that the height of the chair is adjusted.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

FIG. 3 is an enlarged view of the present invention A;

fig. 4 is an enlarged view of the present invention B.

In the figure: 1. a table plate; 2. a table box; 3. desk legs; 4. a screw; 5. cushion blocks; 6. a first bevel gear; 7. a bottom box; 8. a rotating shaft; 9. a turntable; 10. a second bevel gear; 11. a telescopic rod; 12. a bottom block; 13. a straight rod; 14. an iron box; 15. stool legs; 16. a seat plate; 17. a leaning rod; 18. a backup plate; 19. a fixed block; 20. a lifting rod; 21. fixing the rod; 22. lifting the pressure lever; 23. rotating the rod; 24. and (5) inserting the block.

Detailed Description

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

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-4, the utility model provides the following technical solutions: a desk and chair with height adjustment comprises a desk board 1, a desk box 2 is fixedly arranged below the desk board 1, desk legs 3 are fixedly arranged below the desk board 1, screw rods 4 are fixedly arranged below the desk legs 3, cushion blocks 5 are fixedly arranged at the bottoms of the screw rods 4, first bevel gears 6 are in threaded connection with the middle portions of the screw rods 4, the first bevel gears 6 can push the screw rods 4 to ascend or descend in a rotating mode, the first bevel gears 6 are fixedly connected to the inner sides of first bearings, the outer sides of the first bearings are fixedly connected to the inner walls of a bottom box 7, the bottom box 7 is sleeved at the bottoms of the desk legs 3, friction plates are arranged at the bottom of the bottom box 7 and can protect the bottom box 7, a rotary disk 9 is fixedly connected with a rotary shaft 8 through the inner sides of second bearings, the outer sides of the second bearings are fixedly connected to the outer walls of the bottom box 7, a second bevel gear 10 is fixedly connected with the first bevel gears 6 in a meshing mode, the bottom of the bottom box 7 is fixedly connected with a telescopic rod 12 through a telescopic rod 11, the inner side of the bottom box 12 is inserted with a straight rod 13, a lifting rod 16 is connected to a lifting rod 16, a lifting rod 16 is connected to the upper portion of a lifting rod 15, a lifting rod 16 is connected to a lifting rod 16, a lifting rod which is connected with a lifting rod 16 which is fixedly connected to a lifting rod which is hinged rod 16, an insert 24 is inserted behind the bottom block 12.

This a desk chair with altitude mixture control is when using, the chair can be through the telescopic link 11 propulsion and pull out at the bottom of the table, hold the handle and rotate carousel 9, it rotates to drive second conical gear 10 through pivot 8, drive first conical gear 6 and rotate, promote the ascending or decline of screw rod 4, reach the effect of adjusting the desktop height, hold and lift depression bar 22, press or lift up and lift depression bar 22, make lifter 20 rise or descend, lifter 20 drives bench leg 15 through dead lever 21 and rises or descend, reach in the jack of ideal high back inserting 24 insert the inserted block on iron box 14, fix can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims (6)

1. A desk chair with height adjustment, includes table (1), its characterized in that: the lower part of the table plate (1) is fixedly provided with a table box (2), the lower part of the table plate (1) is fixedly provided with table legs (3), the lower part of the table legs (3) is fixedly provided with a screw rod (4), the bottom of the screw rod (4) is fixedly provided with a cushion block (5), the middle part of the screw rod (4) is in threaded connection with a first bevel gear (6), the first bevel gear (6) is fixedly connected with the inner side of a first bearing, the outer side of the first bearing is fixedly connected with the inner wall of a bottom box (7), the bottom box (7) is sleeved at the bottom of the table legs (3), a turntable (9) is fixedly connected with a rotating shaft (8) through the inner side of a second bearing, the outer side of the second bearing is fixedly connected with the outer wall of the bottom box (7), the other end of the rotating shaft (8) is fixedly connected with a gear (10), the second bevel gear (10) is meshed with the first bevel gear (6), the bottom of the bottom box (7) is fixedly connected with the bottom block (12) through a telescopic rod (11), the inner side of the bottom block (12) is fixedly connected with a straight rod (14), and the upper part of the iron box (14) is sleeved with a straight rod (14), the utility model discloses a stool, including bedplate (16), bench board (15), bench board (17), backup plate (17), one side fixed mounting of backup plate (17) has backup plate (18), the below fixed mounting of bedplate (16) has fixed block (19), the below fixedly connected with lifter (20) of fixed block (19), the below fixedly connected with dead lever (21) of lifter (20), the both ends of dead lever (21) extend to on bench leg (15) and with the inboard fixed connection of bench leg (15), dead lever (21) and the articulated pressure lever (22) that lift that is connected with in middle part, the articulated dwang (23) that is connected with in middle part of pressure lever (22), the bottom fixed connection of dwang (23) is in on straight-bar (13), inserted block (24) have been inserted at the back of bottom block (12).

2. A desk and chair with height adjustment as claimed in claim 1, wherein: the bottom box (7) and all structures in the bottom box are two and are mutually symmetrical about a symmetry axis in the vertical direction of the table.

3. A desk and chair with height adjustment as claimed in claim 1, wherein: and a friction block is arranged at the bottom of the bottom box (7).

4. A desk and chair with height adjustment as claimed in claim 1, wherein: a handle is arranged on the rotary disc (9).

5. A desk and chair with height adjustment as claimed in claim 1, wherein: the iron box (14) is provided with a jack.

6. A desk and chair with height adjustment as claimed in claim 1, wherein: the size of the insert block (24) is equal to that of the jack on the iron box (14).

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