CN216569143U

CN216569143U - Chair back with waist support

Info

Publication number: CN216569143U
Application number: CN202220036859.8U
Authority: CN
Inventors: 周子杨
Original assignee: Zhongshan Tianci Precision Mould Manufacturing Co ltd
Current assignee: Zhongshan Tianci Precision Mould Manufacturing Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-05-24
Anticipated expiration: 2032-01-07

Abstract

The utility model relates to a seat field, especially a take back of the chair of waist rest body, lean on the body and back of the chair body including the waist, still include the elastic component, the elastic component leans on body integrated into one piece with the waist, and the elastic component can be dismantled and connect back of the chair body. The chair back with the lumbar support has the advantages of being simple and convenient to install.

Description

Chair back with waist support

Technical Field

The utility model relates to a seat field, especially a take back of the chair of waist back body.

Background

With the development and the transition of society, people almost need to sit on a chair for a long time to read or work, the spine of a human body is easy to be damaged when people sit for a long time and the spine is seriously injured, and symptoms such as lumbar disc herniation or spondylitis can be generated, so that a chair with high comfort level is necessary.

Therefore, most of the chairs in the market increase the comfort of the chairs by adding the waist rest, thereby reducing the probability that modern people are easy to suffer from diseases after sitting for a long time. However, the existing lumbar support body is connected with the chair back body by too many parts, and the assembly process is complicated.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims to provide a: provides a chair back with a lumbar support body, and the installation of the lumbar support body is simple and convenient.

The utility model discloses a technical scheme that the solution problem adopted is: a chair back with a lumbar support, comprising:

the waist leans on the body and the back of the chair body, still includes the elastic component, the elastic component leans on body integrated into one piece with the waist and forms, and the elastic component can be dismantled and connect the back of the chair body.

As the preferred technical scheme, the chair further comprises a cross beam, the cross beam is fixedly arranged in the middle of the chair back body, the upper part of the elastic piece is detachably connected to the middle of the cross beam, and the lower part of the elastic piece is connected with the waist rest body.

As the preferred technical scheme, the back of the chair body includes the lower frame and is the upper ledge of invering the U-shaped, the top of lower frame with the bottom fixed connection of upper ledge, both ends all with the upper ledge fixed connection about the crossbeam, the crossbeam with upper ledge integrated into one piece, the waist leans on the body to locate the front side of lower frame, the waist leans on the lower part of the body with be formed with rotation space between the lower ledge.

According to the technical scheme, the beam is provided with a mounting groove with a downward opening, the beam is further provided with a mounting hole arranged in the front-back direction, the mounting hole penetrates through the mounting groove, the elastic piece is in a sheet shape and is inserted into the mounting groove from the lower side, the elastic piece is provided with an auxiliary mounting hole, and the auxiliary mounting hole is connected with the mounting hole through bolts.

As the preferred technical scheme, the elastic piece is including being flaky body and being flaky linking arm, the body with linking arm integrated into one piece, be equipped with a plurality of fixed orificess on the body, the fixed orifices is located the waist leans on internally, the quantity of linking arm is more than two, all is equipped with on every linking arm vice mounting hole.

As a preferred technical scheme, the device also comprises a front cover plate, wherein a front connecting hole is arranged on the front cover plate, a threaded hole is arranged on the cross beam, and the front connecting hole and the threaded hole are mutually connected through a screw; an avoiding concave part is arranged on the front cover plate and is arranged on the front side of the mounting hole.

As an optimal technical scheme, the novel mounting hole structure further comprises a rear cover plate, a clamp is arranged on the front side wall of the rear cover plate, a clamping groove is formed in the cross beam, the clamp is connected with the clamping groove in a clamped mode, and the rear cover plate covers the rear side of the mounting hole.

According to the preferable technical scheme, a cover plate groove is formed in the rear side wall of the cross beam and communicated with the mounting hole, and the rear cover plate is embedded in the cover plate groove.

Preferably, the elastic member is a manganese sheet.

The utility model has the advantages that: the elastic piece and the lumbar support body are integrally molded, so that parts and steps for connecting the elastic piece and the lumbar support body during installation are omitted, the assembly of the chair back with the lumbar support body can be completed only by connecting the elastic piece to the chair back body, and the chair back has the advantage of simplicity and convenience in installation.

Drawings

The invention will be further explained with reference to the drawings and the detailed description.

FIG. 1 is a perspective view of a chair back with a lumbar support according to the present invention;

fig. 2 is a second perspective view of the chair back with the lumbar support of the present invention;

FIG. 3 is an exploded view of the chair back with lumbar support of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 3.

In the figure: the chair comprises a waist rest body-1, a chair back body-2, an upper frame-21, a lower frame-22, an elastic piece-3, a body-30, an auxiliary mounting hole-31, a connecting arm-32, a cross beam-4, a mounting groove-41, a mounting hole-42, a threaded hole-43, a clamping groove-44, a cover plate groove-45, a front cover plate-5, a front connecting hole-51, an avoiding concave part-52, a rear cover plate-6 and a clip-61.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, a chair back with a lumbar support includes:

the waist support body 1 and the chair back body 2 further comprise an elastic piece 3, the elastic piece 3 and the waist support body 1 are molded integrally, and the elastic piece 3 is detachably connected with the chair back body 2. The utility model discloses an invention lies in with elastic component 3 and waist support body 1 integrated into one piece, saves the part and the step that link together elastic component 3 and waist support body 1 when installing, only needs to connect elastic component 3 on back of the chair body 2, can accomplish the assembly of the back of the chair of taking the waist support body, has the benefit of simple installation. Further, still include crossbeam 4, crossbeam 4 fixed mounting is in the middle part of back of the chair body 2, and the upper portion of elastic component 3 can be dismantled and connect in the middle part of crossbeam 4, and the lower part of elastic component 3 is connected with waist and leans on body 1. The waist support body 1 is connected to the middle lower part of the chair back body 2 by connecting the elastic pieces 3 to the cross beam 4, and when a person leans on the waist support body 1, the waist support body 1 can support the waist of the person. Furthermore, the chair back body 2 comprises a lower frame 22 and an inverted U-shaped upper frame 21, the top of the lower frame 22 is fixedly connected with the bottom of the upper frame 21, the left end and the right end of the cross beam 4 are fixedly connected with the upper frame 21, the cross beam 4 and the upper frame 21 are integrally formed, the lumbar support body 1 is arranged on the front side of the lower frame 22, and a rotating space is formed between the lower part of the lumbar support body 1 and the lower frame 22. Since the lumbar support 1 is connected to the cross beam 4 and a rotating space is formed between the lower part of the lumbar support 1 and the lower frame 22, when the lumbar support 1 is pressed backward, the lower part of the lumbar support 1 can rotate toward the lower frame 22, and the elastic member 3 can support the lumbar support 1 so that the lumbar support 1 can be rotated forward and reset.

In some embodiments, the beam 4 is provided with a mounting groove 41 with a downward opening, the beam 4 is further provided with a mounting hole 42 arranged along the front-back direction, the mounting hole 42 penetrates through the mounting groove 41, the elastic member 3 is sheet-shaped, the elastic member 3 is inserted into the mounting groove 41 from the lower side, the upper portion of the elastic member 3 can be hidden in the mounting groove 41, the elastic member is provided with a sub-mounting hole 31, and the sub-mounting hole 31 and the mounting hole 42 are connected with each other through a bolt, so that the elastic member 3 can be detachably connected to the beam 4. Further, elastic component 3 is including being flaky body 30 and being flaky linking arm 32, body 30 and linking arm 32 integrated into one piece, be equipped with a plurality of fixed orificess 301 on the body 30, fixed orificess 301 is located the waist and is leaned on in the body 1, set up under the condition of fixed orificess 301, body 30 and waist lean on being connected between the body 1 more firm, the quantity of linking arm 32 is more than two, all be equipped with vice mounting hole 31 on every linking arm 32, increase the quantity of linking arm 32 and vice mounting hole 31 and can strengthen the joint strength of elastic component 3 and crossbeam 4.

In the preferred embodiment, the device further comprises a front cover plate 5, wherein a front connecting hole 51 is formed in the front cover plate 5, a threaded hole 43 is formed in the cross beam 4, and the front connecting hole 51 and the threaded hole 43 are connected with each other through a screw; the front cover plate 5 is provided with an avoiding concave portion 52, the avoiding concave portion 52 is arranged on the front side of the mounting hole 42 and used for avoiding and shielding bolts in the mounting hole 42, so that the bolts in the mounting hole 42 are not easy to fall off, and the chair back with the waist rest body is more attractive.

In an optional embodiment, the backrest further comprises a rear cover plate 6, a clamp 61 is arranged on the front side wall of the rear cover plate 6, a clamping groove 44 is formed in the cross beam 4, the clamp 61 is connected with the clamping groove 44 in a clamping mode, the rear cover plate 6 covers the rear side of the mounting hole 42, and the rear cover plate is used for shielding a bolt in the mounting hole 42, so that the backrest with the waist rest body is more attractive. Furthermore, a cover plate groove 45 is formed in the rear side wall of the cross beam 4, the cover plate groove 45 is communicated with the mounting hole 42, and the rear cover plate 6 is embedded in the cover plate groove 45. After the cover plate groove 45 is arranged, the rear cover plate 6 is embedded in the cover plate groove 45, the rear side wall of the rear cover plate 6 can be basically flush with the rear side wall of the cross beam 4, and the appearance is concise and attractive.

In an alternative embodiment, the elastic member 3 is a manganese sheet. The manganese sheet has the advantage of durability.

The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. The utility model provides a take back of chair of waist support body, includes that the waist supports body (1) and back of chair body (2), its characterized in that: still include elastic component (3), elastic component (3) and waist lean on body (1) integrated into one piece, elastic component (3) can be dismantled and connect back of the chair body (2).

2. The chair back with a lumbar support as set forth in claim 1, wherein: still include crossbeam (4), crossbeam (4) fixed mounting in the middle part of back of the chair body (2), the upper portion of elastic component (3) can be dismantled and be connected the middle part of crossbeam (4), the lower part and the waist of elastic component (3) lean on body (1) to be connected.

3. The chair back with a lumbar support as set forth in claim 2, wherein: back of the chair body (2) include lower frame (22) and be upper ledge (21) of inversion U-shaped, the top of lower frame (22) with the bottom fixed connection of upper ledge (21), crossbeam (4) about both ends all with upper ledge (21) fixed connection, crossbeam (4) with upper ledge (21) integrated into one piece, the waist is located by body (1) the front side of lower frame (22), the waist lean on the lower part of body (1) with be formed with the rotation space between lower frame (22).

4. The chair back with a lumbar support as set forth in claim 2, wherein: be equipped with mounting groove (41) that open side down on crossbeam (4), still be equipped with mounting hole (42) that set up along the fore-and-aft direction on crossbeam (4), mounting hole (42) run through mounting groove (41), elastic component (3) are the slice, elastic component (3) insert from the downside mounting groove (41), be equipped with vice mounting hole (31) on the elastic component, vice mounting hole (31) with mounting hole (42) are through bolt interconnect.

5. The chair back with a lumbar support as set forth in claim 4, wherein: elastic component (3) including being flaky body (30) and being flaky linking arm (32), body (30) with linking arm (32) integrated into one piece, be equipped with a plurality of fixed orificess (301) on body (30), fixed orificess (301) are located the waist leans on in the body (1), the quantity of linking arm (32) is more than two, all is equipped with on every linking arm (32) vice mounting hole (31).

6. The chair back with a lumbar support as set forth in claim 4, wherein: the front cover plate (5) is provided with a front connecting hole (51), the cross beam (4) is provided with a threaded hole (43), and the front connecting hole (51) and the threaded hole (43) are connected with each other through a screw; an avoiding concave part (52) is arranged on the front cover plate (5), and the avoiding concave part (52) is arranged on the front side of the mounting hole (42).

7. The chair back with a lumbar support as set forth in claim 4, wherein: still include back shroud (6), be equipped with checkpost (61) on the preceding lateral wall of back shroud (6), be equipped with draw-in groove (44) on crossbeam (4), checkpost (61) with draw-in groove (44) joint links to each other, back shroud (6) cover in the rear side of mounting hole (42).

8. The chair back with lumbar support of claim 7, wherein: be equipped with apron groove (45) on the back lateral wall of crossbeam (4), apron groove (45) with mounting hole (42) intercommunication, back shroud (6) inlay in apron groove (45).

9. The chair back with a lumbar support as set forth in claim 1, wherein: the elastic piece (3) is a manganese sheet.