CN110840142A

CN110840142A - Adjustable lumbar support device for office chair

Info

Publication number: CN110840142A
Application number: CN201911222168.6A
Authority: CN
Inventors: 姚国良; 曹贵明; 李先有
Original assignee: JIANGXI SHIJIXING SCHOOL FURNITURE INDUSTRIAL Co Ltd
Current assignee: JIANGXI SHIJIXING SCHOOL FURNITURE INDUSTRIAL Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-02-28

Abstract

The invention discloses an adjustable lumbar support device for an office chair, which comprises support legs, wherein a chair seat is arranged on the upper sides of the support legs, a backrest is welded at one side of the chair seat, a supporting box body is arranged at one side of the lower part of the backrest, a telescopic cavity is arranged in the supporting box body, a telescopic rod is arranged in the telescopic cavity, one end of the telescopic rod is inserted in one end of the support rod in a sliding way, one end of the support rod is provided with massage balls, the support rod and the massage balls are both provided with three rows, and a plurality of support rods and massage balls are arranged in the three rows, the adjustable waist support device for the office chair can massage the waist by arranging the massage balls at one end of the support rods, and the telescopic link outside cover is equipped with the spring for the bracing piece has the elasticity contractility of removal, and massage ball passes through the bracing piece homoenergetic when satisfying different positions of sitting and supports in waist one side, has improved the travelling comfort of taking the use.

Description

Adjustable lumbar support device for office chair

Technical Field

The invention relates to the technical field of office chairs, in particular to an adjustable lumbar support device for an office chair.

Background

The office chair refers to various chairs which are equipped for working conveniently in daily work and social activities. Office chairs are classified into a narrow office chair and a generalized office chair by office partners, the narrow office chair refers to a backrest chair on which a person sits when working on a table top in a sitting posture, and the generalized office chair is all chairs used in offices and comprises a large office chair, a middle office chair, a passenger chair, a clerk chair, a conference chair, a visitor chair, a training chair and the like. From the viewpoint of material composition, it can be divided into: genuine leather office chair, PU leather office chair, cloth cover office chair, screen cloth office chair, plastics office chair etc.. From the point of view of the type of use, it can be divided into: executive chairs, work chairs, office chairs, executive chairs, meeting chairs, guest-meeting chairs, ergonomic chairs, etc. From the use occasion, the office, the open-type office of staff, the conference room, the reading room, the book and data room, the training classroom, the laboratory, the dormitory of the staff, the dining room of the staff and the like are mainly provided.

The existing office chair is low in functionality and cannot well support the sitting waist, so that the sitting comfort is poor, the existing waist supporting device is fixedly arranged on the chair, the sitting posture of a user cannot be adjusted and supported, and the comfort of waist support is reduced.

Disclosure of Invention

The invention aims to provide an adjustable lumbar support device for an office chair, which aims to solve the problems that the existing office chair has low functionality and cannot support the sitting waist well, so that the sitting comfort is poor, and the existing lumbar support device is fixedly arranged on a seat, so that the support cannot be adjusted according to the sitting posture of a user, and the comfort of lumbar support is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an office chair is with adjustable lumbar support device, includes the stabilizer blade, the seat support is installed to the stabilizer blade upside, seat support one side welding has the back, back lower part side-mounting supporting box, flexible chamber has been seted up to supporting box inside, flexible intracavity portion installs the telescopic link, and telescopic link one end slides and inserts and establish inside bracing piece one end, the massage ball is installed to bracing piece one end, three rows are all installed to bracing piece and massage ball, and three rows all are provided with a plurality of bracing pieces and massage ball.

Preferably, the telescopic link outside cover is equipped with the spring, spring one end and supporting box fixed connection, the spring other end passes through connecting piece and bracing piece one end fixed connection.

Preferably, the inside of the support rod is provided with a hollow structure, and the diameter of the telescopic rod is smaller than that of the support rod.

Preferably, a mounting seat is installed on one side of the supporting box body, and a plurality of bolt mounting holes are formed in two sides of the mounting seat.

Preferably, a guide seat is installed at one end of the installation seat, and the support rod is inserted into the guide seat in a sliding manner.

Preferably, a protective sleeve is arranged on the outer side of the massage ball and is made of a PVC material.

Preferably, a cushion is arranged on the upper side of the seat, and a back cushion is arranged on one side of the backrest.

Compared with the prior art, the invention has the beneficial effects that:

1. the massage device has the advantages that the massage ball is arranged at one end of the supporting rod, the waist can be massaged, and the spring is sleeved outside the telescopic rod, so that the supporting rod has the moving elastic contraction capacity, the massage ball can be supported on one side of the waist through the supporting rod when different sitting postures are met, and the riding comfort is improved.

2. According to the invention, the supporting rods and the massage balls are respectively provided with three rows, and the three rows are respectively provided with the plurality of supporting rods and the massage balls, so that the waist area of a rider can be uniformly supported, and the use comfort is improved.

3. According to the invention, the protective sleeve is arranged on the outer side of the massage ball and adopts a PVC material structure, so that the massage ball has good flexibility and is convenient for massaging the waist.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the structure of the supporting box and the supporting rod of the present invention;

FIG. 3 is a schematic view of the internal structure of the support box of the present invention;

FIG. 4 is a schematic diagram of the forward tilted version of the present invention;

fig. 5 is a schematic view of the present invention in a reclined position.

In the figure: 1. a support leg; 2. a chair seat; 3. a backrest; 4. a back pad; 5. a cushion; 6. Supporting the box body; 7. a spring; 8. a support bar; 9. a massage ball; 10. a guide seat; 11. A mounting seat; 12. a bolt mounting hole; 13. a telescoping chamber; 14. a telescopic rod; 15. a protective sleeve; 16. a connecting member.

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, 3, 4 and 5, in an embodiment of the present invention, an adjustable lumbar support device for an office chair includes support legs 1, a chair seat 2 is installed on the upper sides of the support legs 1, the chair seat 2 is a square seat, a backrest 3 is welded on one side of the chair seat 2, used for supporting the back of a user, a supporting box body 6 is arranged on one side of the lower part of the backrest 3, a telescopic cavity 13 is arranged inside the supporting box body 6, used for installing a telescopic rod 14, the telescopic rod 14 is arranged in the telescopic cavity 13, one end of the telescopic rod 14 is inserted in one end of the support rod 8 in a sliding way, make bracing piece 8 have certain elastic shrinkage ability, improved the travelling comfort of taking the use, massage ball 9 is installed to 8 one ends of bracing piece, can massage the waist and handle, and three rows are all installed to bracing piece 8 and massage ball 9, and three rows all are provided with a plurality of bracing pieces 8 and massage ball 9.

Preferably, the telescopic link 14 outside cover is equipped with spring 7, and spring 7 one end and supporting box 6 fixed connection, the spring 7 other end pass through connecting

piece

16 and 8 one end fixed connection of bracing piece for bracing piece 8 has certain elastic shrinkage ability, and massage ball 9 passes through the bracing piece 8 homoenergetic and supports in waist one side when satisfying different positions of sitting, has improved the travelling comfort of taking the use.

Preferably, the inside of the supporting rod 8 is a hollow structure, and the diameter of the telescopic rod 14 is smaller than that of the supporting rod 8, so that one end of the telescopic rod 14 can move in the supporting rod 8 in a reciprocating and contracting manner.

Preferably, the mounting seat 11 is installed on one side of the supporting box body 6, and a plurality of bolt mounting holes 12 are formed in two sides of the mounting seat 11, so that the supporting box body 6 can be conveniently installed on one side of the backrest 3.

Preferably, the guide holder 10 is installed to 11 one ends of mount pad, and the bracing piece 8 slides with the guide holder 10 and inserts and establish, is convenient for lead the setting to bracing piece 8, improves reciprocating motion's stability.

Preferably, the outer side of the massage ball 9 is provided with a protective sleeve 15, and the protective sleeve 15 is made of a PVC material, so that the massage ball 9 has good flexibility and is convenient for massaging the waist.

Preferably, a cushion 5 is installed on the upper side of the seat 2, and a back cushion 4 is installed on one side of the backrest 3 for improving the riding comfort.

The working principle and the using process of the invention are as follows: install supporting box 6 in the back outside through mount pad 11 and bolt, install massage ball 9 through 8 one ends of bracing piece, can carry out massage treatment to the waist, and spring 7 that is equipped with through 8 outside covers of telescopic link, make bracing piece 8 have certain elastic contraction ability, massage ball 9 passes through 8 homoenergetic supports of bracing piece in waist one side when satisfying different position of sitting, the travelling comfort of taking the use has been improved, and install lag 15 through the massage ball 9 outside, and lag 15 adopts the PVC material structure, make massage ball 9 have good pliability, be convenient for carry out massage treatment to the waist.

Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable lumbar support device for office chairs, comprising a support leg (1), characterized in that: seat support (2) are installed to stabilizer blade (1) upside, seat support (2) one side welding has back (3), back (3) lower part side-mounting support box (6), flexible chamber (13) have been seted up to support box (6) inside, flexible chamber (13) internally mounted has telescopic link (14), and telescopic link (14) one end slide insert establish inside bracing piece (8) one end, massage ball (9) are installed to bracing piece (8) one end, three rows are all installed to bracing piece (8) and massage ball (9), and three rows all are provided with a plurality of bracing pieces (8) and massage ball (9).

2. An adjustable lumbar support device for an office chair as set forth in claim 1, wherein: the telescopic rod (14) is sleeved with a spring (7), one end of the spring (7) is fixedly connected with the supporting box body (6), and the other end of the spring (7) is fixedly connected with one end of the supporting rod (8) through a connecting piece (16).

3. An adjustable lumbar support device for an office chair as set forth in claim 1, wherein: the inside of the supporting rod (8) is arranged to be a hollow structure, and the diameter of the telescopic rod (14) is smaller than that of the supporting rod (8).

4. An adjustable lumbar support device for an office chair as set forth in claim 1, wherein: a mounting seat (11) is installed on one side of the supporting box body (6), and a plurality of bolt mounting holes (12) are formed in two sides of the mounting seat (11).

5. An adjustable lumbar support device for an office chair as set forth in claim 4, wherein: a guide seat (10) is installed at one end of the installation seat (11), and the support rod (8) is inserted into the guide seat (10) in a sliding mode.

6. An adjustable lumbar support device for an office chair as set forth in claim 1, wherein: the outer side of the massage ball (9) is provided with a protective sleeve (15), and the protective sleeve (15) is made of PVC materials.

7. An adjustable lumbar support device for an office chair as set forth in claim 1, wherein: a cushion (5) is installed on the upper side of the chair seat (2), and a back cushion (4) is installed on one side of the backrest (3).