CN207613489U - A kind of back structure and office chair - Google Patents

A kind of back structure and office chair Download PDF

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Publication number
CN207613489U
CN207613489U CN201720446089.3U CN201720446089U CN207613489U CN 207613489 U CN207613489 U CN 207613489U CN 201720446089 U CN201720446089 U CN 201720446089U CN 207613489 U CN207613489 U CN 207613489U
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CN
China
Prior art keywords
main body
chair
connect
chair back
connecting portion
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720446089.3U
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Chinese (zh)
Inventor
蔡斌林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Shunde District Zhixing Furniture Co ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN201720446089.3U priority Critical patent/CN207613489U/en
Application granted granted Critical
Publication of CN207613489U publication Critical patent/CN207613489U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is related to field of furniture, disclose a kind of back structure, including chair back main body and the back cushion that connect and be located on front side of the chair back main body with chair back main body, the back cushion includes the support portion that the first connecting portion being connect with the top of chair back main body, the second connecting portion being connect with chair back lower body part, connection first connecting portion and second connecting portion are used to support human body back, flexible waist pillow is additionally provided between the chair back main body and back cushion, the waist pillow is located at the middle and lower part on rear side of support portion.Waist pillow include bustle portion, bearing connect with chair back main body and connects bearing and bustle portion elastic portion, this back structure is convenient for the height that adjusting back cushion and waist are rested the head on vertebra and the lumbar vertebrae pressure of releiving.The utility model additionally provides a kind of office chair with above-mentioned back structure, and the back cushion on the chair back and waist pillow cooperation, can releive user's lumbar vertebrae and spin pressure, protects the lumbar vertebrae and vertebra health of user.

Description

A kind of back structure and office chair
Technical field
The utility model is related to furniture, more particularly to a kind of back structure and office chair.
Background technology
Furniture also follows the step in epoch to continue to develop innovation, is the important foundation for establishing Working Life space.
Very early, comfortably experience to provide one kind to people, the functionality of chair and structural variation the origin of chair It is more and more abundant, but in the prior art, bustle is rarely employed in chair, and the person of often requiring to use provides bustle for oneself, this allows for waist The adjustment of pad is extremely inconvenient.Also the chair having be equipped with bustle, but structure often through be articulated on back realize to waist The support in portion can not voluntarily be adjusted according to user's situation, can not play the role of pressure of releiving to vertebra and lumbar vertebrae.
Utility model content
The purpose of this utility model is to provide a kind of back structure, to play the work of releive user's lumbar vertebrae and spinal compression With.This practicality additionally provides a kind of office chair.
To achieve the goals above, the utility model provides a kind of back structure, including chair back main body and with chair back main body The back cushion for connecting and being located on front side of the chair back main body, the back cushion include the first connection being connect with the top of chair back main body Portion, the second connecting portion being connect with chair back lower body part, connection first connecting portion and second connecting portion are used to support human body back Support portion, between the chair back main body and back cushion on be additionally provided with waist pillow, waist pillow is located at the middle and lower part on rear side of support portion.
Preferably, the waist pillow is flexible.
Preferably, the waist pillow includes bustle portion, the bearing being connect with chair back main body and connects bearing and bustle The elastic portion in portion.
Preferably, the elastic portion is opening up V-type elastic piece.
Preferably, the bearing include the pedestal being connect with chair back main body, the guide post that is connect with elastic portion, it is described For guide post movable set in pedestal, the pedestal includes the holder being connect with chair back main body and the outer barrel that is connect with holder, described Outer barrel bottom is equipped with the opening portion with support assorted, and the outer barrel opening is installed on holder.
Preferably, the guide post is equipped with axially disposed guiding convex edge, and the base inner wall is equipped with and leads The guide groove coordinated to convex edge.
Preferably, the first connecting portion and chair back main body are articulated and connected, and the second connecting portion includes and chair It carries on the back the column of main body connection, connect the lower support base of column and support portion, the column movable set is in lower support base.
Preferably, it is equipped with the first spring between the lower support base and column, is set between the pedestal and guide post There is second spring.
Preferably, several pin holes are equipped in the axial direction of the pedestal successively, the guide post is equipped with and bolt It is fitted with fastening screw in the location hole of hole cooperation, the pin hole and location hole.
The utility model additionally provides a kind of office chair, including seat cushion, support base and back pad, and back pad includes above-mentioned any one Back structure described in.
The utility model provides a kind of back structure, is connected with the back cushion for being used to support human body back in chair back main body, leans on Pulvilliform shape is fitted with human body back, while having good elasticity, and supporting role is played to human vertebra;In the rear side of back cushion It is rested the head on equipped with waist, waist pillow is located at the middle and lower part on rear side of back cushion, and the support construction of waist pillow has elasticity well, can be to human body waist Play the role of good supplementary support, the pressure that the lumbar vertebrae and vertebra of human body are born is played with back cushion cooperation and is releived well Effect.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of back structure in the utility model embodiment;
Fig. 2 is partial structural diagram at the A of Fig. 1;
Fig. 3 is the side structure schematic view of back structure in the utility model embodiment;
Fig. 4 is partial structural diagram at the B of Fig. 3;
Fig. 5 is the schematic cross-sectional view of waist pillow structure in the utility model embodiment;
In figure, 10, chair back main body;20, back cushion;21, first connecting portion;22, second connecting portion;221, column;222, under Support base;23, support portion;30, waist is rested the head on;31, bearing;311, pedestal;312, guide post;313, it is oriented to convex edge;314, guide groove;315、 Holder;316, outer barrel;317, opening portion;32, elastic portion;33, bustle portion;40, cushion;50, support base.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As illustrated in fig. 1 and 2, a kind of back structure of the preferred embodiment in the utility model, including chair back main body 10 and and chair The back cushion 20 that main body 10 connects and is located at 10 front side of chair back main body is carried on the back, chair back main body 10 is the structural member supported to back cushion 20, By supporting back cushion 20 to be supported to human body back pressure.
Preferably, chair back main body 10 is made of aluminium alloy, to realize lightweight.
Specifically, back cushion 20 includes under the first connecting portion 21 being connect with the top of chair back main body 10 and chair back main body 10 The support portion 23 of the frame shape of second connecting portion 22, connection first connecting portion 21 and second connecting portion 22 that portion connects, support portion 23 On be coated with seat cloth cover, seat cloth cover is the elastic woven material that cladding on the support frame carries out human body support, is had fine Elasticity and gas permeability, seat cloth cover tightened by the support of support portion 23, and then to human body back support.Support portion 23 passes through The first connecting portion 21 of back cushion 20, second connecting portion 22 are to be mounted in chair back main body 10.
Waist pillow 30 is also associated in chair back main body 10, waist pillow 30 is set on rear side of the seat cloth cover of support portion 23, in seat Play the role of the supplementary support to human body waist after cloth cover.
Preferably, waist pillow 30 has elasticity, comfort level when improving using waist pillow 30.
Preferably, in order to which close to human body waist physical location, waist pillow 30 is set in the middle and lower part of 23 rear side of support portion, more The nearly human body waist of adjunction, lumbar vertebrae pressure of releiving.
Further, waist pillow 30 include bustle portion 33, the bearing 31 that is connect with chair back main body 10 and connects bearing 31 and The elastic portion 32 in bustle portion 33, bustle portion 33 are the bearings with human contact, and bearing 31 is bolted or buckles Part is connect with bustle portion 33, and elastic portion 32 supports bustle portion 33 when bustle portion 33 is under pressure, and improves relaxing for waist pillow 30 Appropriateness.
Preferably, elastic portion 32 is opening up V-type elastic piece, the both ends of the elastic portion 32 of V-type respectively with bearing 31, Bustle portion 33 connects, and when by human body back pressure, elastic portion 32 has the trend rotated up while compression, fits The trend that human body back leans on backward is answered, the comfort level of waist pillow 30 is improved.
Preferably, bearing 31 is connect with chair back main body 10, in order to improve the intensity of bearing 31 and 10 junction of chair back main body, Bearing 31 includes the pedestal 311 being connect with chair back main body 10, the guide post 312 being connect with elastic portion 32,312 movable set of guide post in In pedestal 311, the tube-in-tube structure of pedestal 311 can consolidate guide post 312, and then firm waist pillow 30.
Preferably, pedestal 311 includes the holder 315 being connect with chair back main body 10 and the outer barrel 316 being connect with holder 315, Holder 315 is connect by bolt with chair back main body 10, and is supported to outer barrel 31.It is equipped with and holder 315 in 316 bottom of outer barrel The opening portion 317 of cooperation, 316 opening 317 of outer barrel are installed on holder 315.The bayonet arrangement of opening 317, Outer barrel 316 is positioned, the stability of the installation of pedestal 311 is improved.
Preferably, axially disposed guiding convex edge 313 is equipped on guide post 312,311 inner wall of pedestal is equipped with convex with guiding Along the guide groove 314 of 313 cooperations, when waist pillow 30 receives pressure, guide post 312 is driven to be moved along pedestal 311, guide groove 314 and guiding The fit structure of convex edge 313, avoids the rotation of guide post 312, and then avoids 30 rotation of waist pillow so that waist pillow 30 and human lumbar Portion is bonded.
Preferably, holder 315 is in cross, and opening portion 317 is also the cross coordinated with holder 315 so that outer barrel 316 Horizontal, vertically positioned, the stability of the installation of outer barrel 316 is improved.
Preferably, first connecting portion 21 is articulated and connected with chair back main body 10, and second connecting portion 22 includes and chair back main body 10 The column 221 of connection, the lower support base 222 for connecting column 221 and support portion 23,221 movable set of column is in lower support base 222 In.First connecting portion 21 passes through the articulated connection with chair back main body 10 so that back cushion 20 can be rotated relative to chair back main body 10.
Preferably, the first spring is equipped between lower support base 222 and column 221, which is the reset of back cushion 20 Spring, while the elasticity supported to human body back can be improved.
Preferably, second spring is equipped between pedestal 311 and guide post 312, which is the reset bullet of waist pillow 30 Spring, while the comfort level supported to human body waist can be improved.
As an alternative, several pin holes can be also equipped on pedestal 311, guide post 312 is equipped with matches with pin hole It is fitted with fastening screw in the location hole of conjunction, pin hole and location hole, to be positioned to guide post 312, adapts to different users Demand to 30 position of bustle.Meanwhile bustle 30 provides certain deformation quantity by elastic portion 32, and then adapt to lumbar pressure shape State.
A kind of back structure is described above, a kind of office chair is also disclosed in the utility model, and the office chair includes seat Pad 40, support base 50 and back pad, back pad include above-mentioned back structure.
Support base 50 is supported seat cushion 40, and support base 50 is taken a seat for user, and back pad is back-supported structure, back pad Chair back main body 10 to human body back pressure support, be coated with seat cloth cover on back cushion 20, bustle 30.
To sum up, the utility model embodiment provides a kind of back structure and the office chair with above-mentioned back structure, the chair back Back cushion and waist pillow are supported, to the lumbar vertebrae and vertebra support of human body, the elastic construction of the chair back, which improves, to be made for waist pillow, back pad The comfort level of user's back-resting, waist pillow are set to middle and lower part on rear side of back cushion, back cushion by human body back compressional deformation it Afterwards, the waist pillow of the middle and lower part on rear side of frame shape back cushion can be effectively to human body waist support, the pressure for waist of having releived.It leans on simultaneously The elastic construction that pad, waist are rested the head on makes back cushion, waist pillow that can further increase the comfort level of user, releive human body lumbar vertebrae and vertebra Pressure.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change The scope of protection of the utility model is also should be regarded as into replacement.

Claims (10)

1. a kind of back structure, including chair back main body (10) and it is connect with chair back main body (10) and is located at the chair back main body (10) The back cushion (20) of front side, which is characterized in that the back cushion (20) includes the first connection being connect with the top of chair back main body (10) Portion (21), the second connecting portion (22) being connect with chair back main body (10) lower part, connection first connecting portion (21) and second connecting portion (22) be used to support the support portion (23) of human body back, between the chair back main body (10) and back cushion (20) on be additionally provided with waist pillow (30), the waist pillow (30) is located at the middle and lower part on rear side of support portion (23).
2. back structure as described in claim 1, which is characterized in that the waist pillow (30) has elasticity.
3. back structure as claimed in claim 2, which is characterized in that the waist pillow (30) includes bustle portion (33) and the chair back The elastic portion (32) of the bearing (31) and connects bearing (31) and bustle portion (33) of main body (10) connection.
4. back structure as claimed in claim 3, which is characterized in that the elastic portion (32) is that opening up V-type is elastic Piece.
5. back structure as claimed in claim 4, which is characterized in that the bearing (31) includes being connect with chair back main body (10) Pedestal (311), the guide post (312) that is connect with elastic portion (32), guide post (312) movable set is in pedestal (311), institute It includes the holder (315) being connect with chair back main body (10) and the outer barrel (316) being connect with holder (315) to state pedestal (311), described Outer barrel (316) bottom is equipped with the opening portion (317) coordinated with holder (315), outer barrel (316) opening (317) card Loaded on holder (315).
6. back structure as claimed in claim 5, which is characterized in that the guide post (312) is equipped with axially disposed lead To convex edge (313), pedestal (311) inner wall is equipped with the guide groove (314) with guiding convex edge (313) cooperation.
7. back structure as claimed in claim 6, which is characterized in that the first connecting portion (21) is cut with scissors with chair back main body (10) It connects in succession, the second connecting portion (22) includes the column (221) being connect with chair back main body (10), connection column (221) and branch The lower support base (222) of support part (23), column (221) movable set is in lower support base (222).
8. back structure as claimed in claim 7, which is characterized in that set between the lower support base (222) and column (221) There is the first spring, second spring is equipped between the pedestal (311) and guide post (312).
9. back structure as claimed in claim 8, which is characterized in that be equipped with successively in the axial direction of the pedestal (311) several Pin hole, the guide post (312) are equipped with the location hole coordinated with pin hole, positioning are fitted in the pin hole and location hole Bolt.
10. a kind of office chair, including seat cushion (40), support base (50) and back pad, which is characterized in that the back pad have it is described such as Back structure described in any one of claim 1-9.
CN201720446089.3U 2017-04-26 2017-04-26 A kind of back structure and office chair Expired - Fee Related CN207613489U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720446089.3U CN207613489U (en) 2017-04-26 2017-04-26 A kind of back structure and office chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720446089.3U CN207613489U (en) 2017-04-26 2017-04-26 A kind of back structure and office chair

Publications (1)

Publication Number Publication Date
CN207613489U true CN207613489U (en) 2018-07-17

Family

ID=62817287

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720446089.3U Expired - Fee Related CN207613489U (en) 2017-04-26 2017-04-26 A kind of back structure and office chair

Country Status (1)

Country Link
CN (1) CN207613489U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109380908A (en) * 2018-11-23 2019-02-26 安吉润大柯泓家具有限公司 A kind of chair back frame with waist support bracket
CN109645737A (en) * 2019-02-02 2019-04-19 浙江欧益贝智慧家具有限公司 A kind of connector sleeve and a kind of waist bracket chair suitable for waist bracket chair
CN109820363A (en) * 2019-03-28 2019-05-31 浙江恒林椅业股份有限公司 A kind of chair
CN112754209A (en) * 2020-12-31 2021-05-07 恒林家居股份有限公司 Waist leans on regulation chair

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109380908A (en) * 2018-11-23 2019-02-26 安吉润大柯泓家具有限公司 A kind of chair back frame with waist support bracket
CN109380908B (en) * 2018-11-23 2023-09-22 浙江润大柯泓家具有限公司 Chair back frame with waist support bracket
CN109645737A (en) * 2019-02-02 2019-04-19 浙江欧益贝智慧家具有限公司 A kind of connector sleeve and a kind of waist bracket chair suitable for waist bracket chair
CN109645737B (en) * 2019-02-02 2024-05-07 安吉县盛信办公家具有限公司 Connecting sleeve suitable for waist support seat and waist support seat
CN109820363A (en) * 2019-03-28 2019-05-31 浙江恒林椅业股份有限公司 A kind of chair
CN109820363B (en) * 2019-03-28 2023-12-12 恒林家居股份有限公司 Chair
CN112754209A (en) * 2020-12-31 2021-05-07 恒林家居股份有限公司 Waist leans on regulation chair

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20181026

Address after: 528300 No. 7, two West Road, Po Chung Industrial Avenue, Longjiang Town, Shunde District, Foshan, Guangdong.

Patentee after: FOSHAN SHUNDE DISTRICT ZHIXING FURNITURE CO.,LTD.

Address before: 528300 Foshan, Shunde, Guangdong province Longjiang Town, Sha Sha Chau Avenue, No. 2

Patentee before: Cai Binlin

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180717