CN217013248U

CN217013248U - Adjustable fixing support for connecting desk and chair

Info

Publication number: CN217013248U
Application number: CN202220310901.0U
Authority: CN
Inventors: 王金宝
Original assignee: Xuancheng Baoguan Metal Products Co ltd
Current assignee: Xuancheng Baoguan Metal Products Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-07-22
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses an adjustable fixed support for connecting desks and chairs, which comprises an installation bin, wherein fixed installation blocks are symmetrically installed on two sides of the installation bin, a rotary pin shaft is arranged in the middle position inside the installation bin, one end of the rotary pin shaft extends to the outside of the installation bin, the rotary pin shaft is driven by a driving assembly, a gear is fixedly installed on the outer side wall of the rotary pin shaft, sliding grooves are formed in two ends of the installation bin, and sliding cross rods in sliding connection with the sliding grooves are arranged on the inner sides of the sliding grooves. The utility model is provided with the rotary pin shaft, the gear, the chute, the sliding cross rod and the connecting rod, the structure is driven by the driving motor, the automatic extension and contraction adjustment is realized, the adjustment can be carried out according to factors such as use scenes and the heights of students, the manual operation is not needed, and the applicability and the convenience of the device are improved.

Description

Adjustable fixing support for connecting desk and chair

Technical Field

The utility model relates to the technical field of fixed supports, in particular to an adjustable fixed support for connecting desks and chairs.

Background

The desk and chair is a desk and chair for students to attend class, is one of the desks and chairs, and is also called a student desk and chair, a school desk and chair, the desk and chair can be divided according to age, materials and functions, and the position of the desk and chair can be often fixed in order to avoid the disorder and the falling of the chair.

The traditional fixing mode is to fix the bottoms of tables and chairs through a fixed metal frame, the mode cannot be convenient for adaptively adjusting the distance between the tables and chairs, and the use limitation is large, so that the adjustable fixing support for connecting the tables and chairs is designed to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable fixing support for connecting desks and chairs, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: an adjustable fixed bracket for connecting desk and chair comprises an installation bin, wherein fixed installation blocks are symmetrically arranged on two sides of the installation bin, and a rotating pin shaft is arranged at the middle position inside the mounting bin, one end of the rotating pin shaft extends to the outside of the mounting bin, the rotating pin shaft is driven by the driving component, the outer side wall of the rotating pin shaft is fixedly provided with a gear, the two ends of the mounting bin are both provided with chutes, and the inner sides of the sliding chutes are all provided with sliding cross bars which are connected with the sliding chutes in a sliding way, one ends of the sliding cross bars in the mounting bin are all fixedly provided with connecting rods, and one side of the connecting rod is uniformly provided with tooth grooves, the connecting rod is meshed and connected with the gear through the tooth grooves, a locking assembly is installed on one side of the installation bin, a v-shaped connecting frame is installed on one end, far away from the gear, of the sliding cross rod, and a v-shaped mounting frame, 21274, is fixedly installed on the top of the v-shaped connecting frame.

Preferably, the driving assembly comprises a driving motor, one end of the driving motor is connected with the rotating pin shaft, and the outer side of the driving motor is fixed on the mounting bin through a motor bin.

Preferably, locking Assembly includes internal thread pipe, locking bolt and chucking groove, locking bolt sets up in the inboard of internal thread pipe, and internal thread pipe and locking bolt pass through threaded connection, the chucking groove is seted up in one side of slip horizontal pole, and the chucking is accomplished through this chucking groove and slip horizontal pole to locking bolt's one end.

Preferably, the fixed mounting blocks are assembled and mounted with the mounting bin through fixing screws.

Preferably, the locking bolt is installed at the outside one end in installation storehouse and is held the piece between the fingers, and holds the outside of piece between the fingers and evenly be provided with anti-skidding line.

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

1. according to the utility model, through the arrangement of the rotary pin shaft, the gear, the sliding chute, the sliding cross rod and the connecting rod, the structure is driven by the driving motor, and the automatic extension and contraction adjustment is realized, so that the adjustment can be carried out according to factors such as a use scene, the height of a student and the like, and manual operation is not needed, and the applicability and convenience of the device are improved;

2. the device is convenient to fix and lock after adjustment is finished by arranging the internal thread pipe, the locking bolt and the clamping groove, the table and the chair are prevented from being dislocated or toppled, the table and the chair are fixed by the aid of the v-21274and the shape mounting frame, confusion is avoided, the v-21274and the shape mounting frame are convenient to replace as required, and applicability of the device is further improved.

Drawings

FIG. 1 is a schematic front cross-sectional view of the present invention;

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.

In the figure: 1. installing a bin; 2. fixing the mounting block; 3. rotating the pin shaft; 4. a gear; 5. a chute; 6. a sliding rail; 7. a connecting rod; 8. a tooth socket; 9. an internally threaded tube; 10. locking the bolt; 11. a clamping groove; 12. a v-shaped connecting frame; 13. prob 21274h-shaped mounting frame.

Detailed Description

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

Referring to fig. 1-2, an embodiment of the present invention is shown: an adjustable fixed support for connecting a desk and a chair comprises an installation bin 1, wherein fixed installation blocks 2 are symmetrically installed on two sides of the installation bin 1, a rotary pin shaft 3 is arranged at the middle position inside the installation bin 1, one end of the rotary pin shaft 3 extends to the outside of the installation bin 1, the rotary pin shaft 3 is driven by a driving assembly, a gear 4 is fixedly installed on the outer side wall of the rotary pin shaft 3, sliding grooves 5 are formed in two ends of the installation bin 1, sliding cross rods 6 in sliding connection with the sliding grooves 5 are arranged on the inner sides of the sliding grooves 5, connecting rods 7 are fixedly installed at one ends of the sliding cross rods 6 inside the installation bin 1, tooth grooves 8 are uniformly formed in one sides of the connecting rods 7, the connecting rods 7 are in meshed connection with the gear 4 through the tooth grooves 8, automatic adjustment is achieved through the transmission mode, operation difficulty is reduced, a locking assembly is installed on one side of the installation bin 1, a connecting frame 12 is installed at one end, far away from the gear 4, of the sliding cross rods 6, and the top of the v-shaped connecting frame 12 is fixedly provided with a v-shaped mounting frame 13.

In this implementation: the driving component comprises a driving motor, one end of the driving motor is connected with a rotating pin shaft 3, the outer side of the driving motor is fixed on the installation bin 1 through a motor bin to realize automatic contraction and extension adjustment, the locking component comprises an internal thread pipe 9, a locking bolt 10 and a clamping groove 11, the locking bolt 10 is arranged on the inner side of the internal thread pipe 9, the internal thread pipe 9 is in threaded connection with the locking bolt 10, the clamping groove 11 is formed in one side of a sliding cross rod 6, one end of the locking bolt 10 is clamped with the sliding cross rod 6 through the clamping groove 11 to facilitate locking after position adjustment is completed, looseness or translocation is avoided, the fixed installation block 2 is spliced with the installation bin 1 through a fixing screw to facilitate disassembly, assembly and maintenance, a pinching block is installed at one end of the locking bolt 10 outside the installation bin 1, and anti-slip threads are uniformly arranged on the outer side of the pinching block, the friction force is improved, the pinching and holding operation is facilitated, and the comfort and the convenience of the operation are improved.

The working principle is as follows: the device is powered on (electrical components of the device are all powered by an external power supply), the device is installed at a specified position through a fixed installation block 2 and fixed screws, a driving motor is adjusted to operate through a remote control panel according to the interval between tables and chairs, two groups of sliding cross rods 6 are driven to transversely move through a rotating pin shaft 3, a gear 4 and a tooth groove 8, the distance is adjusted, after the adjustment is completed, the driving motor is turned off, a locking bolt 10 is rotated to be screwed in the locking motor, clamping is completed through a clamping groove 11 and the sliding cross rods 6, and the cross rods at the bottom of the tables and chairs are fixed on corresponding \\ 21274; shape installation frames 13.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims

1. The utility model provides a fixed bolster with adjustable be used for connecting desk chair, includes installation storehouse (1), its characterized in that: the mounting bin is characterized in that fixed mounting blocks (2) are symmetrically mounted on two sides of the mounting bin (1), a rotary pin shaft (3) is arranged in the middle of the interior of the mounting bin (1), one end of the rotary pin shaft (3) extends to the exterior of the mounting bin (1), the rotary pin shaft (3) is driven by a driving assembly, a gear (4) is fixedly mounted on the outer side wall of the rotary pin shaft (3), sliding grooves (5) are formed in two ends of the mounting bin (1), sliding cross rods (6) in sliding connection with the sliding grooves are arranged on the inner sides of the sliding grooves (5), connecting rods (7) are fixedly mounted at one ends of the interior of the mounting bin (1) of the sliding cross rods (6), tooth grooves (8) are uniformly formed in one sides of the connecting rods (7), the connecting rods (7) are meshed with the gear (4) through the tooth grooves (8), and a locking assembly is mounted on one side of the mounting bin (1), one end of the sliding cross rod (6) far away from the gear (4) is provided with a v-shaped connecting frame (12), and the top of the v-shaped connecting frame (12) is fixedly provided with a v-shaped 21274and a v-shaped mounting frame (13).

2. An adjustable fixed bolster for connecting desk chair of claim 1 characterized in that: the driving assembly comprises a driving motor, one end of the driving motor is connected with the rotating pin shaft (3), and the outer side of the driving motor is fixed on the mounting bin (1) through a motor bin.

3. The adjustable fixed bracket used for connecting a desk and chair as claimed in claim 1, characterized in that: locking Assembly includes internal thread pipe (9), locking bolt (10) and chucking groove (11), the inboard of internal thread pipe (9) is set up in locking bolt (10), and internal thread pipe (9) and locking bolt (10) pass through threaded connection, one side at slip horizontal pole (6) is seted up in chucking groove (11), and the chucking is accomplished through this chucking groove (11) and slip horizontal pole (6) to the one end of locking bolt (10).

4. The adjustable fixed bracket used for connecting a desk and chair as claimed in claim 1, characterized in that: the fixed mounting blocks (2) are installed with the mounting bin (1) in a splicing mode through fixing screws.

5. An adjustable fixed bolster for connecting desk chair as claimed in claim 3 characterized in that: the locking bolt (10) is installed at the outside one end in installation storehouse (1) and is held between the fingers the piece, and holds between the fingers the outside of piece and evenly be provided with anti-skidding line.