CN109380908B - Chair back frame with waist support bracket - Google Patents
Chair back frame with waist support bracket Download PDFInfo
- Publication number
- CN109380908B CN109380908B CN201811404084.XA CN201811404084A CN109380908B CN 109380908 B CN109380908 B CN 109380908B CN 201811404084 A CN201811404084 A CN 201811404084A CN 109380908 B CN109380908 B CN 109380908B
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- CN
- China
- Prior art keywords
- waist support
- back frame
- main body
- waist
- groove
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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.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
Abstract
A chair back frame with a waist support bracket comprises a back frame main body, a waist support bracket and a waist support decoration piece; the back frame main body comprises a pair of side back frame supports and an upper back frame support connected with the upper ends of the side back frame supports; the waist support bracket comprises a waist support main body, wherein the waist support main body is positioned between the pair of side back frame brackets, the lower outer side parts of the waist support main body are respectively connected with the lower inner side parts of the pair of side back frame brackets, and the upper end of the waist support main body is a free end; the waist holds in palm the decoration and includes the decoration main part, and the lower extreme and the side back of the body frame leg joint of decoration main part have seted up the mounting groove at the back of decoration main part, be provided with in the mounting groove with the waist hold in the palm a plurality of last connecting screw of upper end back connection of main part, the notch of mounting groove is provided with detachable seal decorative board. The application has better comfort and longer service life on the premise of ensuring the structural strength and the aesthetic property.
Description
Technical Field
The application relates to a chair back frame with a waist support bracket.
Background
The chair is used as a common office product, has high use degree in one day, and is generally provided with a waist support for protecting the waist of a human body. At present, the waist support on the market, the middle part position at its both sides position generally all can fixed mounting be in the both sides position of chair back basket, the purpose is that the joint strength that makes the waist support is good, structural performance is good, be difficult for harm, can effectively support human waist, but this kind of fixed waist support of high strength can't carry out effective adjustment to the waist, the travelling comfort is poor, even set up flexible inside lining at the waist support inner wall, also can't reach better travelling comfort, and the waist support is basically through connecting screw or welded mode when connecting, connecting screw generally exposes in human sight scope, the aesthetic property is relatively poor.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides the chair back frame with the waist support bracket, which has better comfort and longer service life on the premise of ensuring the structural strength and the aesthetic property.
The specific technical scheme of the application is as follows: a chair back frame with a waist support bracket comprises a back frame main body, a waist support bracket and a waist support decoration piece; the back frame is characterized in that the back frame main body comprises a pair of side back frame supports and a pair of upper back frame supports connected with the upper ends of the side back frame supports; the waist support bracket comprises a waist support main body, wherein the waist support main body is positioned between the pair of side back frame brackets, the lower outer side parts of the waist support main body are respectively connected with the lower inner side parts of the pair of side back frame brackets, and the upper end of the waist support main body is a free end; the waist support decorating piece comprises a decorating piece main body, the lower end of the decorating piece main body is connected with the side back frame support, the back of the decorating piece main body is provided with a mounting groove, a plurality of upper connecting screws connected with the back of the upper end of the waist support main body are arranged in the mounting groove, and the notch of the mounting groove is provided with a detachable sealing decorating plate; the bottom of side back of body frame support is provided with grafting portion, decoration main part lower extreme side be provided with grafting portion looks adaptation's grafting groove, offer on the side that grafting portion deviates from the grafting groove be used for with grafting groove tank bottom fixed connection's connecting hole one.
Preferably, the bottom of the mounting groove is provided with screw mounting seats distributed in a quadrilateral manner, and the upper connecting screw penetrates through the screw mounting seats and is connected with the waist support main body.
Preferably, the first connecting hole extends obliquely upward as it approaches the garnish body.
Preferably, the back of the upper end of the waist support main body is provided with a connecting groove, and a connecting column which is arranged corresponding to the screw mounting seat and is provided with a screw connecting hole is arranged in the connecting groove.
Preferably, the sealing decorative plate is detachably connected with the mounting groove through a connecting structure; the connecting structure comprises a plurality of plug posts arranged at the bottom of the mounting groove and plug holes arranged on the inner side surface of the sealing decorative plate and matched with the plug posts.
Preferably, the inner side surface of the decoration main body is further provided with a reinforcing groove recessed toward the back surface of the decoration main body.
Preferably, the front of the waist support main body is also connected with an auxiliary waist support, and the vertical position of the auxiliary waist support is adjustable.
Preferably, a plurality of adjusting grooves which are distributed from top to bottom and used for limiting the vertical position of the auxiliary waist support are arranged in the connecting groove, and mounting ports penetrating through the front face and the back face of the waist support main body are formed in two sides of the auxiliary adjusting groove; the auxiliary waist support comprises an auxiliary waist support portion, a first waist support installation rod, a second waist support installation rod, a limiting portion, a connecting piece and a connecting piece, wherein the first waist support installation rod and the second waist support installation rod are connected with the auxiliary waist support portion, the limiting portion is arranged on the second waist support installation rod and matched with the adjusting groove, the connecting piece is connected with the first waist support installation rod and the second waist support installation rod, and the connecting piece penetrates through the installation opening.
In summary, the application has the following beneficial effects:
on the premise of ensuring the structural strength and the aesthetic property, the novel shoe pad has better comfort and longer service life.
Drawings
FIG. 1 is a schematic and schematic illustration of the back frame of the chair of the present application;
FIG. 2 is an exploded view of a back frame of a chair
Fig. 3 is a schematic and schematic view of the structure of the lumbar support decoration;
fig. 4 is a schematic illustration of the installation of the auxiliary lumbar support;
fig. 5 is a schematic and schematic view of the structure of the auxiliary lumbar support.
Detailed Description
The application will be further illustrated by the following examples in conjunction with the accompanying drawings.
As shown in fig. 1 to 3, a chair back frame with a waist support bracket comprises a back frame main body 1, a waist support bracket 2 and a waist support decoration 3; the back frame main body 1 comprises a pair of side back frame brackets 11 and a pair of upper back frame brackets 12 connected with the upper ends of the side back frame brackets 11; the waist support bracket 2 comprises a waist support main body 21, wherein the waist support main body 21 is positioned between the pair of side back frame brackets 11, the lower outer side parts of the waist support main body 21 are respectively connected with the lower inner side parts of the pair of side back frame brackets 11, and the upper end of the waist support main body 21 is a free end; the waist support decorating part 3 comprises a decorating part main body 31, the lower end of the decorating part main body 31 is connected with the side back frame bracket 11, a mounting groove 32 is formed in the back of the decorating part main body 31, a plurality of upper connecting screws 33 connected with the back of the upper end of the waist support main body 21 are arranged in the mounting groove 32, a detachable sealing decorating plate 34 is arranged at the notch of the mounting groove 32, the sealing decorating plate 34 can cover the connecting screws 33 after being connected with the connecting screws 33, and the sealing decorating plate 34 can be detachably connected with the mounting groove 32 in an embedded mode or in other modes; the bottom of side back of body frame support 11 is provided with grafting portion 13, decoration main part 31 lower extreme side be provided with grafting portion 13 looks adaptation's grafting groove 37, offer on the side that grafting portion 13 deviates from grafting groove 37 be used for with grafting groove 37 tank bottom fixed connection's connecting hole one 14, during the connection, put into connecting screw or screw in connecting hole one 14, connecting screw or screw pass connecting hole one 14 and be connected with grafting groove 37 tank bottom, connecting screw or screw are in the position that human sight is difficult for observing and is obtained, and grafting groove 37 and grafting portion 13's cooperation has also further improved decoration main part 31 and side back of body frame support 11's joint strength, the reinforcing effect to waist support 2 is indirectly increaseed. According to the application, the upper end of the waist support main body 21 is a free end, the lower end is fixed, the waist support main body can be deformed to a greater extent under the compression of the waist of a human body, so that the waist is more comfortable, meanwhile, the waist support decorating piece 3 plays a role in decorating and strengthening the waist support bracket 2, the waist support bracket 2 is prevented from being broken due to the fact that the waist is hard, the connecting screw 33 and the like are invisible after being installed, and the overall attractive appearance of the chair back frame is better.
The bottom of the mounting groove 32 is provided with screw mounting seats 35 distributed in a quadrilateral manner, and the upper connecting screws 33 penetrate through the screw mounting seats 35 and are connected with the waist support main body 21. This setting has further guaranteed the joint strength that waist held in the palm support 2 and waist held in the palm decoration 3, guarantees the life of chair back of body frame, has indirectly improved the travelling comfort of waist.
Generally, the lumbar support bracket 2 is deformed backward when the lumbar is applied, and preferably, the first connecting hole 14 extends obliquely upward as approaching the garnish body 31. This arrangement further ensures the deformation resistance of the lumbar support bracket 2, can withstand large lumbar forces, and ensures the service life.
The back of the upper end of the waist support main body 21 is provided with a connecting groove 22, and a connecting column 23 which is arranged corresponding to the screw mounting seat 35 and is provided with a screw connecting hole is arranged in the connecting groove 22. This setting can also guarantee the joint strength of waist support main part 21 and decoration main part 31 under the prerequisite of guaranteeing waist support main part 21 anti-deformation ability, improves the life of chair back of body frame.
In this embodiment, the seal decorative plate 34 is detachably connected to the mounting groove 32 through a connection structure; the connecting structure comprises a plurality of plug posts 36 arranged at the bottom of the mounting groove 32 and plug holes arranged on the inner side surface of the seal decorative plate 34 and matched with the plug posts 36. This arrangement makes the seal trim panel 34 more convenient to disassemble and assemble.
The inner side surface of the main body 31 is also provided with a reinforcing groove 38 recessed toward the back surface of the main body 31. The number and positions of the reinforcing grooves 38 are determined according to the actual situation, and the arrangement further enhances the structural strength of the main body 31 of the decoration piece, enhances the supporting strength, and improves the service life of the back frame of the chair.
As shown in fig. 2, 4 and 5, preferably, an auxiliary lumbar support 24 is further connected to the front surface of the lumbar support main body 21, and the vertical position of the auxiliary lumbar support 24 is adjustable. Specifically, the connecting slot 22 is provided with a plurality of adjusting slots 25 distributed from top to bottom for defining the vertical position of the auxiliary waist support 24, and two sides of the auxiliary adjusting slots 25 are provided with mounting openings 26 penetrating through the front and back surfaces of the waist support main body 21; the auxiliary waist support 24 comprises an auxiliary waist support portion 241, a first waist support mounting rod 242 connected with the auxiliary waist support portion 241, a second waist support mounting rod 243, a limiting portion 244 arranged on the second waist support mounting rod 243 and adapted to the adjusting groove 25, and a connecting piece 245 connecting the first waist support mounting rod 242 and the second waist support mounting rod 243, wherein the connecting piece 245 penetrates through the mounting opening 26, and the connecting piece 245 can be a bolt fastener. In this embodiment, when the auxiliary lumbar support 24 is installed, the second lumbar support mounting rod 243 is placed in the connecting slot 22, and the appropriate adjusting slot 25 matching with the limiting portion 244 is selected, and the first lumbar support mounting rod 242 and the second lumbar support mounting rod 243 are connected by the connecting piece 245, so that the position of the auxiliary lumbar support 24 is determined. In this embodiment, the auxiliary waist support 24 is provided, and the vertical position of the auxiliary waist support 24 is adjustable, so that the comfort of the waist of the human body can be further ensured.
The above examples are only illustrative of the preferred embodiments of the present application and do not limit the spirit and scope of the present application. Various modifications and improvements of the technical scheme of the present application will fall within the protection scope of the present application without departing from the design concept of the present application, and the technical content of the present application is fully described in the claims.
Claims (6)
1. A chair back frame with a waist support bracket comprises a back frame main body (1), a waist support bracket (2) and a waist support decoration (3); the back frame is characterized in that the back frame main body (1) comprises a pair of side back frame supports (11) and a pair of upper back frame supports (12) connected with the upper ends of the side back frame supports (11); the waist support bracket (2) comprises a waist support main body (21), wherein the waist support main body (21) is positioned between a pair of side back frame brackets (11), the lower outer side parts of the waist support main body (21) are respectively connected with the lower inner side parts of the pair of side back frame brackets (11), and the upper end of the waist support main body (21) is a free end; the waist support decorating part (3) comprises a decorating part main body (31), the lower end of the decorating part main body (31) is connected with the side back frame support (11), a mounting groove (32) is formed in the back of the decorating part main body (31), a plurality of upper connecting screws (33) connected with the back of the upper end of the waist support main body (21) are arranged in the mounting groove (32), and a detachable sealing decorating plate (34) is arranged at a notch of the mounting groove (32); the bottom of the side back frame support (11) is provided with a plug-in portion (13), the side face of the lower end of the decorating part main body (31) is provided with a plug-in groove (37) matched with the plug-in portion (13), and the side face, deviating from the plug-in groove (37), of the plug-in portion (13) is provided with a first connecting hole (14) fixedly connected with the bottom of the plug-in groove (37).
2. The chair back frame with the waist support bracket according to claim 1, wherein screw mounting seats (35) distributed in a quadrilateral shape are arranged at the bottom of the mounting groove (32), and the upper connecting screws (33) penetrate through the screw mounting seats (35) and are connected with the waist support main body (21).
3. A chair back frame with lumbar support according to claim 1, characterized in that said first connecting hole (14) extends obliquely upwards as approaching said ornamental body (31).
4. The chair back frame with the waist support bracket according to claim 2, wherein a connecting groove (22) is formed in the back surface of the upper end of the waist support main body (21), and a connecting column (23) which is arranged corresponding to the screw mounting seat (35) and is provided with a screw connecting hole is arranged in the connecting groove (22).
5. The chair back frame with lumbar support bracket according to claim 1, characterized in that the seal trim panel (34) is detachably connected with the mounting groove (32) through a connecting structure; the connecting structure comprises a plurality of plug posts (36) arranged at the bottom of the mounting groove (32) and plug holes arranged on the inner side surface of the seal decorative plate (34) and matched with the plug posts (36).
6. The back frame of the chair with the lumbar support bracket according to claim 1, wherein the inner side surface of the decoration main body (31) is further provided with a reinforcing groove (38) recessed toward the back surface of the decoration main body (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811404084.XA CN109380908B (en) | 2018-11-23 | 2018-11-23 | Chair back frame with waist support bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811404084.XA CN109380908B (en) | 2018-11-23 | 2018-11-23 | Chair back frame with waist support bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109380908A CN109380908A (en) | 2019-02-26 |
| CN109380908B true CN109380908B (en) | 2023-09-22 |
Family
ID=65429421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811404084.XA Active CN109380908B (en) | 2018-11-23 | 2018-11-23 | Chair back frame with waist support bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109380908B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011037431A2 (en) * | 2009-09-25 | 2011-03-31 | 듀오백코리아 주식회사 | Chair back support device having a lumbar rest |
| CN202043892U (en) * | 2011-03-25 | 2011-11-23 | 洪玉卿 | Seat with waist-rest and armrests |
| KR101541160B1 (en) * | 2015-01-30 | 2015-08-03 | 주식회사 다원체어스 | Back of chair |
| CN205214747U (en) * | 2015-11-27 | 2016-05-11 | 平湖市新丽家具厂 | Office chair |
| JP2017192519A (en) * | 2016-04-19 | 2017-10-26 | 株式会社岡村製作所 | Backrest of chair |
| CN206994950U (en) * | 2017-01-22 | 2018-02-13 | 强龙家具股份有限公司 | Backrest based on adjustable waist rest |
| CN207613489U (en) * | 2017-04-26 | 2018-07-17 | 蔡斌林 | A kind of back structure and office chair |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209595223U (en) * | 2018-11-23 | 2019-11-08 | 浙江润大柯泓家具有限公司 | A kind of chair back frame with waist support bracket |
-
2018
- 2018-11-23 CN CN201811404084.XA patent/CN109380908B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011037431A2 (en) * | 2009-09-25 | 2011-03-31 | 듀오백코리아 주식회사 | Chair back support device having a lumbar rest |
| CN202043892U (en) * | 2011-03-25 | 2011-11-23 | 洪玉卿 | Seat with waist-rest and armrests |
| KR101541160B1 (en) * | 2015-01-30 | 2015-08-03 | 주식회사 다원체어스 | Back of chair |
| CN205214747U (en) * | 2015-11-27 | 2016-05-11 | 平湖市新丽家具厂 | Office chair |
| JP2017192519A (en) * | 2016-04-19 | 2017-10-26 | 株式会社岡村製作所 | Backrest of chair |
| CN206994950U (en) * | 2017-01-22 | 2018-02-13 | 强龙家具股份有限公司 | Backrest based on adjustable waist rest |
| CN207613489U (en) * | 2017-04-26 | 2018-07-17 | 蔡斌林 | A kind of back structure and office chair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109380908A (en) | 2019-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 313000 Fantan Industrial Park, Lingfeng Street, Anji County, Huzhou City, Zhejiang Province (in Anji Zhongxing Hardware Manufacturing Co., Ltd.) Applicant after: Zhejiang Runda Kehong Furniture Co.,Ltd. Address before: 313000 Fantan Industrial Park, Lingfeng Street, Anji County, Huzhou City, Zhejiang Province (in Anji Zhongxing Hardware Manufacturing Co., Ltd.) Applicant before: ANJI KEHONG FURNITURE FACTORY |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |