CN215240450U

CN215240450U - Back of chair frame waist leans on installation frock

Info

Publication number: CN215240450U
Application number: CN202023183188.8U
Authority: CN
Inventors: 王江林; 张强; 徐露; 鲍家华
Original assignee: Anji Hengyou Technology Co ltd
Current assignee: Anji Hengyou Technology Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-12-21
Anticipated expiration: 2030-12-25

Abstract

The utility model relates to a chair back frame waist rest installation tool, which comprises a positioning plate, wherein the positioning plate is provided with at least a first positioning column, a second positioning column, a third positioning column, a fourth positioning column, a fifth positioning column and a sixth positioning column, the first positioning column is used for positioning the bottom of the chair back frame, the second positioning column and the third positioning column are respectively and symmetrically arranged at two sides of the positioning plate and are close to the first positioning column, the second positioning column and the third positioning column are used for positioning two sides of the bottom of the chair back frame, the fourth positioning column is arranged at the same side of the second positioning column, the fifth positioning column is arranged at the same side of the third positioning column, the fourth positioning column and the fifth positioning column are symmetrically arranged on the positioning plate, the fourth positioning column and the fifth positioning column are used for positioning two sides of the top of the chair back frame, and the sixth positioning column is arranged between the fourth positioning column and the fifth positioning column, the sixth positioning column is used for positioning the top of the chair back frame; the working efficiency is improved.

Description

Back of chair frame waist leans on installation frock

Technical Field

The utility model relates to a house preparation processing field especially relates to a back of chair frame waist leans on installation frock.

Background

As shown in fig. 1, in the production and processing process of the chair back frame, two ends of the waist rest need to be respectively hung on the hook members of the chair back frame, and a worker screws a screw gun to penetrate and abut in the threaded holes from the connecting holes, so that the waist rest cannot be separated from the hook members and is connected in the chair back frame; the general process of the working procedure is that a worker carries a machined chair back frame to a workbench, selects a waist support to hang the left side of the waist support on a hook piece, then holds a screw screwing gun by hand to screw a screw into a threaded hole, and in the process of the working procedure of screwing the screw, the left hand of the general worker holds the chair back frame, and the right hand aligns to screw the screw, so that the process has the big problems that the difficulty of operating the screw screwing gun by one hand is high, the screw is difficult to effectively align, and the screwing path deviation of the screw is caused; in addition, the backrest frame is difficult to hold by a single hand as a support, and the backrest frame is difficult to avoid shaking in the process of screwing the screw.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back of the chair frame waist leans on installation frock, and this installation frock can be effectively with back of the chair frame fixed position for the staff can twist the screw operation more effectively, improves its work efficiency.

To achieve the above object, the main technical solution of the present invention is a backrest frame waist rest installation tool, the installation tool comprises a positioning plate, the positioning plate is provided with at least a first positioning post, a second positioning post, a third positioning post, a fourth positioning post, a fifth positioning post and a sixth positioning post, the first positioning post is used for positioning the bottom of the backrest frame, the second positioning post and the third positioning post are symmetrically arranged on both sides of the positioning plate and close to the first positioning post, the second positioning post and the third positioning post are used for positioning both sides of the bottom of the backrest frame, the fourth positioning post is arranged on the positioning plate symmetrically with respect to the same side as the second positioning post, the fifth positioning post is arranged on the same side as the third positioning post, the fourth positioning post and the fifth positioning post are used for positioning both sides of the top of the backrest frame, the sixth positioning column is located between the fourth positioning column and the fifth positioning column, and the sixth positioning column is used for positioning the top of the chair back frame.

In some examples, the top of the first positioning column is recessed downwards to form a first U-shaped positioning groove, the top of the second positioning column is recessed downwards to form a second U-shaped positioning groove, the top of the third positioning column is recessed downwards to form a third U-shaped positioning groove, the top of the fourth positioning column is recessed downwards to form a fourth U-shaped positioning groove, the top of the fifth positioning column is recessed downwards to form a fifth U-shaped positioning groove, and the notch apertures of the first U-shaped positioning groove, the second U-shaped positioning groove, the third U-shaped positioning groove, the fourth U-shaped positioning groove and the fifth U-shaped positioning groove are all equal to the tube aperture of the seat back frame; the sunken depths of the first U-shaped positioning groove, the second U-shaped positioning groove, the third U-shaped positioning groove, the fourth U-shaped positioning groove and the fifth U-shaped positioning groove are larger than or equal to the caliber of the tube body of the chair back frame.

In some examples, the second, third, fourth, and fifth U-shaped detents have parallel axial directions; the axis of the first U-shaped positioning groove is vertical to the axis of the second U-shaped positioning groove, the third U-shaped positioning groove, the fourth U-shaped positioning groove and the fifth U-shaped positioning groove.

In some examples, the second positioning column and the third positioning column have the same structure and the same vertical height; the fourth positioning column and the fifth positioning column have the same structure and the same vertical height, and the vertical height of the fourth positioning column and the fifth positioning column is higher than that of the second positioning column and the third positioning column; the side walls of the fourth positioning column and the fifth positioning column are respectively connected with a supporting rod, and the other end of the supporting rod is connected to the positioning plate.

In some examples, the top cross-section of the sixth positioning column is L-shaped, the top tube of the seatback frame is placed on a lateral end surface of the L-shaped top, and the top tube wall of the seatback frame abuts against a longitudinal end surface of the L-shaped top.

In some examples, the positioning plate is provided with two first positioning posts, a supporting plate is arranged on the positioning plate between the two first positioning posts, and the top surface of the supporting plate is flush with the bottom surface of the first U-shaped positioning slot.

In some examples, the inner walls of the first U-shaped positioning slot, the second U-shaped positioning slot, the third U-shaped positioning slot, the fourth U-shaped positioning slot, and the fifth U-shaped positioning slot are covered with a flexible layer, and the flexible layer is rubber, solid sponge, or silica gel.

In some examples, four positioning columns are arranged on the surface of the supporting plate, the positions of the positioning columns on the supporting plate are arranged based on mounting hole positions of a chair back frame, the chair back frame is placed on a mounting tool, and the positioning columns penetrate through the mounting hole positions.

The utility model discloses owing to adopted above technical scheme to realize following effect: based on the structure of the chair back frame, positioning columns at different positions are correspondingly arranged to fix the chair back frame; the chair back frame is effectively and relatively fixed in the chair back frame waist support installation tool, so that when workers screw the chair back frame, the chair back frame still keeps a stable state without shaking, the screws are effectively screwed in, the situations of askew screwing and the like are avoided, and the working efficiency is improved.

Drawings

Figure 1 is a schematic view of a back frame construction,

figure 2 is a schematic structural view of an embodiment of the present invention,

figure 3 is a schematic diagram of the embodiment of figure 2 from a top view,

in the figure: first reference column 1, second reference column 2, third reference column 3, layer board 4, locating plate 5, sixth reference column 6, fourth reference column 7, fifth reference column 8, bracing piece 9, first U-shaped constant head tank 10, end support bar 11, left support bar 12, right support bar 13, top support bar 14, hook piece 15, waist rest 16, waist support bar 17, mounting hole 18, backup plate 19, second U-shaped constant head tank 21, third U-shaped constant head tank 31, reference column 41, fourth U-shaped constant head tank 71, fifth U-shaped constant head tank 81.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.

It is to be understood that the terms "a" and "an" are to be interpreted as meaning that a number of one element may be one in one embodiment or multiple in another embodiment, and the terms "a" and "an" are not to be interpreted as limiting the number.

The first embodiment is as follows:

referring to the drawings of the specification of the utility model, as shown in FIGS. 1 to 3, a backrest frame waist rest mounting tool according to a preferred embodiment of the present invention comprises a positioning plate 5, wherein the positioning plate 5 is provided with at least a first positioning post 1, a second positioning post 2, a third positioning post 3, a fourth positioning post 7, a fifth positioning post 8 and a sixth positioning post 6, the first positioning post 1 is used for positioning the bottom of the backrest frame, the second positioning post 2 and the third positioning post 3 are respectively symmetrically arranged at two sides of the positioning plate 5 and close to the first positioning post 1, the second positioning post 2 and the third positioning post 3 are used for positioning the left and right sides of the bottom of the backrest frame, the fourth positioning post 7 and the second positioning post 2, the fifth positioning post 8 and the third positioning post 3 are arranged at the same side, and the fourth positioning post 7 and the fifth positioning post 8 are symmetrically arranged on the positioning plate 5, the fourth positioning column 7 and the fifth positioning column 8 are used for positioning the left side and the right side of the top of the chair back frame, the sixth positioning column 6 is located between the fourth positioning column 7 and the fifth positioning column 8, and the sixth positioning column 6 is used for positioning the top of the chair back frame.

Referring to fig. 1 again, the backrest frame includes a bottom support bar 11, a left support bar 12, a top support bar 14, a right support bar 13, a lumbar support bar 17, and a planar backup plate 19, which are integrally formed and are all arc-shaped, the bottom support bar 11, the left support bar 12, the top support bar 14, and the right support bar 13 enclose into a circle to form a frame framework, the left support bar 12 and the right support bar 13 have the same shape and are respectively located at the left and right sides of the frame framework, the lumbar support bar 17 has the same bending radian with the bottom support bar, two ends of the lumbar support bar 17 are respectively welded to the left support bar 12 and the right support bar 13 and are close to the bottom support bar, the lumbar support bar 17 is located at a position of the backrest frame serving as a lumbar support 16, two ends of the backup plate 19 are respectively welded to the lumbar support bar 17 and the bottom support bar, a lumbar region of the backrest frame protrudes from a back leaning region, namely, the left support strip 12 and the right support strip 13 have certain S-shaped radians; two rows of four mounting holes 18 are formed in the backup plate 19; wherein, the relative wall of left branch stay 12 and right branch stay 13 is equipped with an L shape hook member 15 respectively, hook member 15's free end is equipped with a connecting hole, be equipped with the screw hole on the lateral wall of left branch stay 12 or right branch stay 13 that the connecting hole corresponds, the waist leans on 16 both ends to hang respectively and establishes on hook member 15 of both sides, and the staff passes through the screw rifle, penetrates the screw from the connecting hole and docks in the screw hole for the waist leans on 16 can't break away from hook member 15 and connect in back of the chair frame.

When the installation tool is used for assisting the backrest frame to install the lumbar support 16, the backrest frame is prevented from shaking, specifically, the top of the first positioning column 1 is downwards sunken to form a first U-shaped positioning groove 10, the top of the second positioning column 2 is downwards sunken to form a second U-shaped positioning groove 21, the top of the third positioning column 3 is downwards sunken to form a third U-shaped positioning groove 31, the top of the fourth positioning column 7 is downwards sunken to form a fourth U-shaped positioning groove 71, the top of the fifth positioning column 8 is downwards sunken to form a fifth U-shaped positioning groove 81, and the calibers of the first U-shaped positioning groove 10, the second U-shaped positioning groove 21, the third U-shaped positioning groove 31, the fourth U-shaped positioning groove 71 and the fifth U-shaped positioning groove 81 are all equal to the calibers of the tube body of the backrest frame; the recessed depth of the first U-shaped positioning groove 10, the second U-shaped positioning groove 21, the third U-shaped positioning groove 31, the fourth U-shaped positioning groove 71 and the fifth U-shaped positioning groove 81 is greater than or equal to the caliber of the tube body of the seat back frame, so as to ensure that when the seat back frame is placed and positioned in the tool, the tube bodies are correspondingly placed in the first U-shaped positioning groove 10, the second U-shaped positioning groove 21, the third U-shaped positioning groove 31, the fourth U-shaped positioning groove 71 and the fifth U-shaped positioning groove 81 and are all positioned in the grooves, in other words, the tube bodies correspondingly placed in the positioning grooves are not exposed outside the groove openings, so that the arrangement is such that when a worker uses the screw twisting gun to twist screws on the hanging piece 15 positioned on the left support bar 12, the left pressure and the circumferential rotation force are applied to the left support bar 12, if the depth of the positioning grooves is insufficient, a small part of the area of the tube bodies is placed in the grooves, the back frame is easily separated from the installation tool when the screw is screwed, and similarly, the screw is screwed by the hook member 15 of the rightwards supporting bar 13.

Secondly, based on the structure of the seatback frame, in the present embodiment, the axial directions of the second U-shaped positioning groove 21, the third U-shaped positioning groove 31, the fourth U-shaped positioning groove 71, and the fifth U-shaped positioning groove 81 are parallel; the axis of the first U-shaped positioning slot 10 is perpendicular to the axis of the second U-shaped positioning slot 21, the third U-shaped positioning slot 31, the fourth U-shaped positioning slot 71 and the fifth U-shaped positioning slot 81; the second positioning column 2 and the third positioning column 3 have the same structure and the same vertical height; the fourth positioning column 7 and the fifth positioning column 8 have the same structure and the same vertical height, and the vertical height of the fourth positioning column 7 and the fifth positioning column 8 is higher than that of the second positioning column 2 and the third positioning column 3; the lateral walls of the fourth positioning column 7 and the fifth positioning column 8 are respectively connected with a supporting rod 9, the other end of the supporting rod 9 is connected to the positioning plate 5, and the purpose of the supporting rod 9 is to set up the supporting rod 9, because the heights of the fourth positioning column 7 and the fifth positioning column 8 are relatively high, the stability is poor, and the supporting rod 9 is set up to enhance the stability.

The top section of the sixth positioning column 6 is L-shaped, a top tube body of the chair back frame is placed on the transverse end face of the L-shaped top, and the top tube wall of the chair back frame is abutted against the longitudinal end face of the L-shaped top; the positioning plate 5 is provided with two first positioning posts 1, the positioning plate 5 positioned between the two first positioning posts 1 is provided with a supporting plate 4, the top surface of the supporting plate 4 is flush with the bottom surface of the first U-shaped positioning slot 10, when the bottom supporting strip 11 is placed on the first positioning post 1, the backup plate 19 can be just placed on the supporting plate 4, the surface of the supporting plate 4 is provided with four positioning posts 41, the positions of the positioning posts 41 on the supporting plate 4 are arranged based on 18 positions of mounting holes of a chair back frame, the chair back frame is placed on a mounting tool, and the positioning posts 41 penetrate through the 18 positions of the mounting holes; in this embodiment, two second positioning columns 2 and two third positioning columns 3 are disposed on the positioning plate 5.

Secondly, in order to protect the framework of the seat back frame from being damaged during fixed installation, the inner walls of the first U-shaped positioning groove 10, the second U-shaped positioning groove 21, the third U-shaped positioning groove 31, the fourth U-shaped positioning groove 71 and the fifth U-shaped positioning groove 81 are covered with a flexible layer, and the flexible layer is rubber, solid sponge or silica gel.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention.

The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. The installation tool for the waist of the chair back frame is characterized by comprising a positioning plate (5), wherein at least one first positioning column (1), one second positioning column (2), one third positioning column (3), one fourth positioning column (7), one fifth positioning column (8) and one sixth positioning column (6) are arranged on the positioning plate (5), the first positioning column (1) is used for positioning the bottom of the chair back frame, the second positioning column (2) and the third positioning column (3) are respectively and symmetrically arranged at two sides of the positioning plate (5) and close to the first positioning column (1), the second positioning column (2) and the third positioning column (3) are used for positioning two sides of the bottom of the chair back frame, the fourth positioning column (7) is arranged at the same side as the second positioning column (2), and the fifth positioning column (8) is arranged at the same side as the third positioning column (3), fourth reference column (7) and fifth reference column (8) symmetry set up on locating plate (5), fourth reference column (7) and fifth reference column (8) are used for fixing a position back of the chair frame's top both sides, and sixth reference column (6) are located between fourth reference column (7) and fifth reference column (8), sixth reference column (6) are used for fixing a position back of the chair frame's top.

2. The chair back frame lumbar support installation tool as claimed in claim 1, wherein the top of the first positioning column (1) is downwardly recessed to form a first U-shaped positioning groove (10), the top of the second positioning column (2) is downwardly recessed to form a second U-shaped positioning groove (21), the top of the third positioning column (3) is downwardly recessed to form a third U-shaped positioning groove (31), the top of the fourth positioning column (7) is downwardly recessed to form a fourth U-shaped positioning groove (71), the top of the fifth positioning column (8) is downwardly recessed to form a fifth U-shaped positioning groove (81), and the calibers of the first U-shaped positioning groove (10), the second U-shaped positioning groove (21), the third U-shaped positioning groove (31), the fourth U-shaped positioning groove (71) and the fifth U-shaped positioning groove (81) are all equal to the calibers of the tube body of the chair back frame; the sunken depths of the first U-shaped positioning groove (10), the second U-shaped positioning groove (21), the third U-shaped positioning groove (31), the fourth U-shaped positioning groove (71) and the fifth U-shaped positioning groove (81) are larger than or equal to the caliber of the pipe body of the chair back frame.

3. The seatback frame lumbar support mounting tool according to claim 2, wherein the axial directions of the second U-shaped positioning groove (21), the third U-shaped positioning groove (31), the fourth U-shaped positioning groove (71) and the fifth U-shaped positioning groove (81) are parallel; the axial line of the first U-shaped positioning groove (10) is vertical to the axial line direction of the second U-shaped positioning groove (21), the third U-shaped positioning groove (31), the fourth U-shaped positioning groove (71) and the fifth U-shaped positioning groove (81).

4. The chair back frame lumbar support installation tool as claimed in claim 2, wherein the second positioning column (2) and the third positioning column (3) are identical in structure and vertical height; the fourth positioning column (7) and the fifth positioning column (8) have the same structure and the same vertical height, and the vertical height of the fourth positioning column (7) and the fifth positioning column (8) is higher than that of the second positioning column (2) and the third positioning column (3); the side walls of the fourth positioning column (7) and the fifth positioning column (8) are respectively connected with a supporting rod (9), and the other end of the supporting rod (9) is connected to the positioning plate (5).

5. The chair back frame lumbar support installation tool as claimed in claim 1, wherein the top section of the sixth positioning column (6) is L-shaped, the top tube body of the chair back frame is placed on the transverse end face of the L-shaped top, and the top tube wall of the chair back frame abuts against the longitudinal end face of the L-shaped top.

6. The chair back frame lumbar support installation tool according to claim 2, characterized in that two first positioning columns (1) are arranged on the positioning plate (5), a supporting plate (4) is arranged on the positioning plate (5) between the two first positioning columns (1), and the top surface of the supporting plate (4) is flush with the bottom surface of the first U-shaped positioning groove (10).

7. The chair back frame lumbar support installation tool according to claim 2, characterized in that the inner walls of the first U-shaped positioning groove (10), the second U-shaped positioning groove (21), the third U-shaped positioning groove (31), the fourth U-shaped positioning groove (71) and the fifth U-shaped positioning groove (81) are covered with a flexible layer, and the flexible layer is made of rubber, solid sponge or silica gel.

8. The backrest frame waist support installation tool of claim 6, wherein four positioning columns are arranged on the surface of the supporting plate (4), the positions of the positioning columns on the supporting plate (4) are arranged based on the positions of the installation holes (18) of the backrest frame, the backrest frame is placed on the installation tool, and the positioning columns penetrate through the positions of the installation holes (18).