CN217013359U

CN217013359U - Supporting leg fixing structure of chair

Info

Publication number: CN217013359U
Application number: CN202121362734.6U
Authority: CN
Inventors: 李阔
Original assignee: Zhejiang Xier Technology Co Ltd
Current assignee: Zhejiang Xier Technology Co Ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-07-22
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a supporting leg fixing structure of a chair, which comprises a chair side support and a bottom supporting rod, wherein the upper end of the chair side support is used for being connected with a sitting part of the chair, and the lower end of the chair side support is connected with the bottom supporting rod; the preceding tip of bottom sprag pole, back tip are equipped with detachable stabilizer blade connecting piece respectively, the stabilizer blade can be dismantled with the stabilizer blade connecting piece and be connected, and whole structural design is ingenious, uses safe and reliable, and the dismouting replacement is also convenient and fast.

Description

Supporting leg fixing structure of chair

Technical Field

The utility model belongs to the technical field of children products, and particularly relates to a supporting leg fixing structure of a chair.

Background

In daily life, various chairs, especially dining chairs for children, are mainly composed of a chair seat and two supporting parts at two sides of the chair seat, the supporting parts are mainly support frames in various shapes, the bottom of each support frame is in contact with the ground, and the chair seat is arranged at a certain height through the support frames, so that people can sit and lean conveniently. However, the bottom of the traditional support frame is mostly of a tubular structure, so that the stability is relatively poor; in addition, the chair is continuously carried or moved in the using process, the front end and the rear end of the tubular structure easily collide with other objects to cause abrasion, and the stability and the safety of the chair support can be influenced after the chair is used for a period of time.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a supporting leg fixing structure of a chair.

In order to achieve the purpose, the utility model adopts the following technical scheme: a supporting leg fixing structure of a chair comprises a chair side support and a bottom supporting rod, wherein the upper end of the chair side support is used for being connected with a sitting part of the chair, and the lower end of the chair side support is connected with the bottom supporting rod; the front end part and the rear end part of the bottom supporting rod are respectively provided with a detachable supporting leg connecting piece, and the bottom surface is a plane supporting leg and is detachably connected with the supporting leg connecting piece.

Furthermore, the bottom surface of the support leg connecting piece is provided with a protrusion, the upper surface of the support leg is provided with a groove, and the protrusion is matched with the groove.

Further, the protrusion is a flange extending from the bottom surface of the leg link to both left and right sides.

Furthermore, the middle part of the groove is provided with a mounting block, the front side surface of the support leg connecting piece is provided with a cavity, and the mounting block is embedded into the cavity in a sliding manner when the bulge and the groove are assembled.

Furthermore, the bottom surfaces of the support legs and the support leg connecting pieces and the bottom supporting rod are respectively provided with a first through hole, a second through hole and a third through hole, and fastening screws sequentially penetrate through the first through hole, the second through hole and the third through hole to fix the bottom surfaces of the support legs and the support leg connecting pieces and the bottom supporting rod.

Furthermore, the supporting leg connecting piece is internally provided with a nut matched with the fastening screw.

By adopting the technical scheme of the utility model, the utility model has the beneficial effects that: the detachable support legs are arranged at the bottom of the chair, so that the stability of the whole chair during placement and use is ensured by utilizing a plane structure, and the end part is protected; meanwhile, the detachable design is convenient for quickly replacing the support legs or the support leg connecting pieces after being worn; adopt this structrual installation to use the sound construction, use steadily reliably.

Drawings

FIG. 1 is a schematic view of a leg fixing structure of a chair;

FIG. 2 is a schematic view of the structure of a state of FIG. 1;

FIG. 3 is a schematic illustration of the disassembled state of FIG. 1;

FIG. 4 is a side schematic view of a partial structure;

FIG. 5 is a cross-sectional view of FIG. 5;

fig. 6 is a disassembled state view of the legs and the leg connecting member.

In the figure: 1. the chair comprises a chair side support, 2 parts of a bottom support rod, 21 parts of a third through hole, 3 parts of a support leg connecting piece, 31 parts of a flange, 311 parts of an outer side face, 32 parts of a cavity, 33 parts of a second through hole, 34 parts of an opening, 4 parts of a support leg, 41 parts of a groove, 42 parts of a mounting block, 43 parts of a first through hole, 44 parts of a front side face, 5 parts of a nut and 6 parts of a fastening screw.

Detailed Description

The technical scheme of the utility model is further described and illustrated by specific embodiments below, so that the utility model is clearer and more obvious. Other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict.

As shown in fig. 1 to 4, the present embodiment relates to a leg fixing structure of a chair, which includes a chair side support 1, a bottom support rod 2, a leg connecting member 3, and a leg 4, wherein an upper end of the chair side support 1 is used for connecting with a sitting portion of the chair, and a lower end of the chair side support 1 is connected with the bottom support rod 2;

the front end part and the rear end part of the bottom supporting rod 2 are respectively provided with a detachable supporting leg connecting piece 3, and the supporting legs 4 are detachably connected with the supporting leg connecting pieces 3. The bottom surface of the foot 4 is preferably planar.

In a preferred embodiment, the bottom surface of the leg connector 3 is provided with a protrusion 3, the protrusion is a flange 31 extending from the bottom surface of the leg connector to the left and right, the upper surface of the leg is provided with a groove 41 (concave contact surface), and the protrusion 31 and the groove 41 are adapted to realize the detachable connection of the leg connector 3 and the leg 4.

In a preferred embodiment, as shown in fig. 6, a mounting block 42 is provided in the middle of the groove 41, a cavity 32 is formed in the front side of the leg link 3, and the mounting block 42 is inserted into the cavity 32 when the protrusion 31 is assembled with the groove 42.

In order to enhance the firmness of the assembly of the groove and the protrusion, the outer side surface 311 of the protrusion 31 is of a V-shaped structure which is bent towards the side far from the center, and the side wall of the groove 41 is matched with the V-shaped structure and is also of a V-shape which is bent towards the side far from the center.

In this embodiment, as shown in fig. 2 and 5, the bottom surfaces of the supporting leg 3 and the supporting leg connector 4 and the bottom supporting rod 2 are respectively provided with a first through hole 43, a second through hole 33 and a third through hole 21, and the fastening screw 6 sequentially passes through the first through hole 43, the second through hole 33 and the third through hole 21 to mount and fix the supporting leg 3, the bottom surface of the supporting leg connector 4 and the bottom supporting rod 2.

In order to increase the assembly stability and to prevent it from falling off, nuts 5 adapted to the fastening screws 6 are provided in the leg links 3.

In a preferred embodiment, the front side 44 of the foot 4 is of a circular arc shape. The upper surface of the support leg 4 is a cambered surface, and the middle part of the support leg is higher than the left side and the right side.

In a preferred embodiment, the leg connecting member 3 is a hollow structure with a side opening 34, and the leg connecting member 3 is sleeved on the front end or the rear end of the bottom support rod 2 through the opening 34.

The chair side support 1, the bottom sprag pole 2, the stabilizer blade connecting piece 3, the stabilizer blade 4 of this embodiment have constituted an integral side frame of chair, and the stabilizer blade connecting piece can gliding front end or the rear end that inserts the bottom sprag pole, and the stabilizer blade is equipped with arch, the recess that can sliding assembly respectively with the stabilizer blade connecting piece, and the three still passes through fastening screw to be fixed, whole structural design is ingenious, structure safe and reliable, dismouting replacement also convenient and fast.

It should be noted that the drawings provided in the above embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated. The utility model is capable of other and equivalent embodiments, and its several details are capable of modifications, equivalents, improvements, and equivalents within the spirit and scope of the present disclosure.

Claims

1. The supporting leg fixing structure of the chair is characterized by comprising a chair side support and a bottom supporting rod, wherein the upper end of the chair side support is used for being connected with a sitting part of the chair, and the lower end of the chair side support is connected with the bottom supporting rod;

the front end part and the rear end part of the bottom supporting rod are respectively provided with a detachable supporting leg connecting piece, and the supporting legs are detachably connected with the supporting leg connecting pieces.

2. The stand bar fixing structure of a chair as claimed in claim 1, wherein the stand bar connecting member has a protrusion on a bottom surface thereof, and the stand bar has a recess on an upper surface thereof, the protrusion being adapted to the recess.

3. The leg fixing structure of a chair as claimed in claim 2, wherein the protrusions are flanges extending from the bottom surface of the leg connecting member to the left and right sides.

4. The leg fixing structure of a chair as claimed in claim 2, wherein a mounting block is provided in the middle of the groove, a cavity is formed in the front side of the leg link, and the mounting block is slidably fitted into the cavity when the protrusion is assembled with the groove.

5. The supporting leg fixing structure of a chair as claimed in any one of claims 2 to 4, wherein the supporting leg, the bottom surface of the supporting leg connecting member and the bottom supporting rod are respectively provided with a first through hole, a second through hole and a third through hole, and the fastening screw passes through the first through hole, the second through hole and the third through hole in sequence to fix the supporting leg, the bottom surface of the supporting leg connecting member and the bottom supporting rod.

6. A leg fixing structure of a chair as claimed in claim 5, wherein a nut adapted to a fastening screw is built in said leg connecting member.