CN213344800U

CN213344800U - A kind of desk and chair mechanical height adjustment mechanism

Info

Publication number: CN213344800U
Application number: CN202021694869.8U
Authority: CN
Inventors: 胡新权
Original assignee: Zhejiang New Chair Co Ltd
Current assignee: Zhejiang New Chair Co Ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-06-04
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a mechanical height adjustment mechanism for desks and chairs, which comprises two bottom plates, two ends of one side surface of the bottom plate are fixedly connected with a support rod, and the other end of the support rod is fixedly connected with a horizontal plate, A support threaded rod is threadedly installed at the center of the side surface of the horizontal plate, one end of the support threaded rod is fixedly installed with a driven bevel gear, and the other end of the driven bevel gear is fixedly connected with a rotating block. A table bucket is rotatably installed on the surface, and a support frame is fixedly connected to both ends of the side surface of the table bucket. The side surface of the gear meshes with the side surface of the driven bevel gear. The mechanical height adjustment mechanism for desks and chairs of the utility model has the advantages of labor-saving operation, convenient adjustment of the position and height, and good overall structural stability.

Description

Mechanical height adjusting mechanism for desk and chair

Technical Field

The utility model relates to a desk field, more specifically say, relate to a desk chair mechanical type height control mechanism.

Background

In daily teaching life, the desk can be used for placing study articles, and in order to facilitate the use of different people, some desks can be provided with height adjusting mechanisms to facilitate height adjustment.

However, the existing height adjusting mechanism mostly adopts a structural form of a sleeve and a fixing pin, only a plurality of fixed height positions can be located during adjustment, the adaptability is poor, the positions of four supporting legs need to be respectively located and adjusted, the integral driving cannot be realized, and the height adjusting mechanism is troublesome and needs to be improved.

Disclosure of Invention

To the problem that exists among the prior art, the utility model aims to provide a desk chair mechanical type height adjusting mechanism supports through bracing piece connection diaphragm, and then combines threaded connection's support threaded rod and bevel gear to install the table fill, can screw thread height-adjusting, and the initiative bevel gear drive through the pivot installation simultaneously can the synchronous drive both sides structure, guarantees balanced stable, avoids the dislocation to interfere, improves the convenience of using.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a desk chair mechanical type height control mechanism, includes two bottom plates, the equal fixedly connected with bracing piece in a side surface both ends of bottom plate, the other end fixedly connected with diaphragm of bracing piece, the side center department screw thread of diaphragm installs the support threaded rod, the one end fixed mounting who supports the threaded rod has driven bevel gear, driven bevel gear's other end fixedly connected with turning block, the surface rotation of turning block installs the table and fights, the side both ends fixedly connected with support frame that the table was fought, the side of support frame is rotated and is installed the axis of rotation, the one end fixed mounting of axis of rotation has initiative bevel gear, the side of initiative bevel gear meshes in a side surface of driven bevel gear.

Further, the other end fixedly connected with square pole of axis of rotation, square pole rotates to be connected in the opposite side surface of support frame, through the square pole of axis of rotation connection, can rotate simultaneously and adjust convenient high-efficient.

Further, there is the operation piece square hole slidable mounting in the surface of square pole, the side of operation piece is located the one end side of table fill, through slidable mounting operation piece on square pole, can slide to different positions and adjust, avoids interfering with the health.

Further, the side of operation piece is equipped with mounting groove, the articulated circular block that installs in mounting groove's side, the side fixedly connected with handle of circular block through at operation piece side installation handle, can increase the arm of force length, does benefit to the rotation, and is more laborsaving.

Furthermore, the number of the mounting grooves and the number of the handles are at least three, and the mounting grooves and the handles are uniformly connected to the side face of the operation block at equal angles.

Further, the one end of circular block is equipped with the location dop, the side of location dop passes through positioning channel section elastic clamping in mounting groove's a side surface, through positioning channel section joint positioning channel section, can stabilize the shrink handle, avoids interfering, does benefit to and deposits the location.

Furthermore, one end side fixed mounting of bracing piece has the stiffener, the stiffener is located the one end side of bottom plate, through connecting the stiffener in the bracing piece side, guarantees overall structure stability, does benefit to the safety support and adjusts the use.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is supported through bracing piece connection diaphragm, and then combines threaded connection's support threaded rod and bevel gear to install the table fill, can the screw thread height-adjusting, and the initiative bevel gear drive through the rotating shaft installation simultaneously can synchronous drive both sides structure, guarantees balanced stable, avoids the dislocation to interfere.

(2) Through the square pole of rotation axis connection, can rotate simultaneously and adjust convenient high-efficient.

(3) Through slidable mounting operation piece on square pole, can slide to different positions and adjust, avoid interfering with the health, do benefit to the use.

(4) The handle is arranged on the side surface of the operation block, so that the length of the force arm can be increased, the rotation is facilitated, and the labor is saved.

(5) Through location dop joint positioning groove, can stabilize the shrink handle, avoid interfering, do benefit to and deposit the location.

(6) Through connecting the stiffener in the bracing piece side, guarantee overall structure stability, do benefit to safe support and adjust and use.

Drawings

FIG. 1 is a schematic view of the overall structure of a mechanical height adjusting mechanism of a desk and chair of the present invention;

FIG. 2 is an enlarged view of the connection of the bucket of FIG. 1 at location A;

fig. 3 is a schematic partial cross-sectional view of the operation block connection of the mechanical height adjustment mechanism of the desk and chair of the present invention.

The scores in the figures are as follows: 1, a bottom plate, 11 support rods, 12 transverse plates, 13 support threaded rods, 14 driven bevel gears, 15 rotating blocks, 16 table hoppers, 17 support frames, 18 rotating shafts, 19 driving bevel gears, 2 square rods, 21 square holes, 22 operating blocks, 23 mounting grooves, 24 round blocks, 25 handles, 26 positioning clamping heads, 27 positioning clamping grooves and 28 reinforcing rods.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

A mechanical height adjusting mechanism for a desk and chair comprises two bottom plates 1, please refer to fig. 1 and 2, wherein two ends of one side surface of each bottom plate 1 are fixedly connected with supporting rods 11, the other ends of the supporting rods 11 are fixedly connected with transverse plates 12 which can form a U-shaped frame for supporting, the height adjusting mechanism is convenient and stable, supporting threaded rods 13 are arranged at the centers of the side surfaces of the transverse plates 12 in a threaded manner, driven bevel gears 14 are fixedly arranged at one ends of the supporting threaded rods 13 and can rotate in a threaded manner for adjusting the height, rotating blocks 15 are fixedly connected with the other ends of the driven bevel gears 14, desk hoppers 16 are rotatably arranged on the surfaces of the rotating blocks 15, supporting frames 17 are fixedly connected with two ends of the side surfaces of the desk hoppers 16, rotating shafts 18 are rotatably arranged on the side surfaces of the supporting frames 17, driving bevel gears 19 are fixedly arranged at one ends, the balance of the two sides is guaranteed, dislocation interference is avoided, the height of the table hopper 16 can be adjusted up and down conveniently, the side face of the driving bevel gear 19 is meshed with the surface of one side of the driven bevel gear 14, the reinforcing rod 28 is fixedly mounted on the side face of one end of the supporting rod 11, the structural strength of the bottom is enhanced, stable placement and supporting use are facilitated, and the reinforcing rod 28 is located on the side face of one end of the bottom plate 1.

Referring to fig. 1 and 3, the other end of the rotating shaft 18 is fixedly connected with a square rod 2, the square rod 2 is rotatably connected to the other side surface of the supporting frame 17, an operation block 22 is slidably installed on the surface of the square rod 2 through a square hole 21, the square rod 2 can be driven to rotate, and the square rod 2 can also be slid to adjust the position to facilitate positioning to different positions, so as to avoid interference with other positions, the adaptability is high, the use is facilitated, the side surface of the operation block 22 is located on the side surface of one end of the table hopper 16, the side surface of the operation block 22 is provided with a mounting groove 23, the side surface of the mounting groove 23 is hinged with a round block 24, the side surface of the round block 24 is fixedly connected with a handle 25, one end of the round block 24 is provided with a positioning chuck 26, the positioning chuck can be clamped and positioned, the stability of placing the handle 25 in a contracting manner is, do benefit to laborsaving square pole of rotating, guarantee the stability of adjusting, the side of location dop 26 passes through positioning groove 27 elastic clamping in the side surface of mounting groove 23.

During the use, can support the location through bottom plate 1, do benefit to and place installation table fill 16 and use, and when needing height-adjusting, can promote operation piece 22 sliding position, then with handle 25 from the ninety degrees of horizontal state upset, the square pole of angle perpendicular to 2 of handle 25 can overturn like this, can increase arm of force length like this, do benefit to laborsaving rotation square pole, guarantee the stability of adjusting, and take the initiative bevel gear 19 synchronous rotation at both ends through square pole 2, just also can mesh driven bevel gear 14 and take the synchronous rotation of support threaded rod 13 at both ends, and then the screw thread regulation support height, and is convenient high-efficient, do benefit to the operation and use.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a desk chair mechanical type height control mechanism, includes two bottom plates (1), its characterized in that: the utility model discloses a table bucket, including bottom plate (1), the equal fixedly connected with bracing piece in a side surface both ends of bottom plate (1), the other end fixedly connected with diaphragm (12) of bracing piece (11), supporting threaded rod (13) are installed to the side center department screw thread of diaphragm (12), the one end fixed mounting of supporting threaded rod (13) has driven bevel gear (14), the other end fixedly connected with turning block (15) of driven bevel gear (14), the surface rotation of turning block (15) installs table fill (16), the side both ends fixedly connected with support frame (17) of table fill (16), the side of support frame (17) is rotated and is installed axis of rotation (18), the one end fixed mounting of axis of rotation (18) has initiative bevel gear (19), the side meshing of initiative bevel gear (19) is in a side surface of driven bevel gear (14).

2. The mechanical height adjusting mechanism of desk and chair as claimed in claim 1, wherein: the other end fixedly connected with square pole (2) of axis of rotation (18), square pole (2) rotate to be connected in the opposite side surface of support frame (17).

3. A mechanical height adjustment mechanism for a desk and chair as claimed in claim 2, wherein: the surface of the square rod (2) is provided with an operation block (22) through a square hole (21) in a sliding mode, and the side face of the operation block (22) is located on the side face of one end of the table hopper (16).

4. A mechanical height adjustment mechanism for a desk and chair as claimed in claim 3, wherein: the side of operation piece (22) is equipped with mounting groove (23), the side articulated circular block (24) of installing groove (23), the side fixedly connected with handle (25) of circular block (24).

5. A mechanical height adjustment mechanism for desk and chair as claimed in claim 4, wherein: the number of the mounting grooves (23) and the number of the handles (25) are at least three, and the mounting grooves and the handles are uniformly connected to the side face of the operation block (22) at equal angles.

6. A mechanical height adjustment mechanism for desk and chair as claimed in claim 4, wherein: one end of the round block (24) is provided with a positioning clamping head (26), and the side surface of the positioning clamping head (26) is elastically clamped on one side surface of the mounting groove (23) through a positioning clamping groove (27).

7. The mechanical height adjusting mechanism of desk and chair as claimed in claim 1, wherein: and a reinforcing rod (28) is fixedly arranged on one end side face of the supporting rod (11), and the reinforcing rod (28) is positioned on one end side face of the bottom plate (1).