CN106419238B - Backrest heightening device of backrest chair - Google Patents
Backrest heightening device of backrest chair Download PDFInfo
- Publication number
- CN106419238B CN106419238B CN201610986513.3A CN201610986513A CN106419238B CN 106419238 B CN106419238 B CN 106419238B CN 201610986513 A CN201610986513 A CN 201610986513A CN 106419238 B CN106419238 B CN 106419238B
- Authority
- CN
- China
- Prior art keywords
- plate
- supporting plate
- rest
- backrest
- chair
- Prior art date
- 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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Links
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003867 tiredness Effects 0.000 description 1
- 208000016255 tiredness Diseases 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- A47C7/38—Support for the head or the back for the head
-
- 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
- A47C7/38—Support for the head or the back for the head
- A47C7/383—Detachable or loose head- or neck-supports, e.g. horse-shoe shaped
-
- 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
- A47C7/62—Accessories for chairs
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention relates to a backrest heightening device of a backrest chair, which comprises a supporting plate, wherein an elastic clamping plate bent in a 7 shape is connected to the rear end surface of the supporting plate, and a clamping groove for accommodating the top of the backrest chair is formed between the supporting plate and the elastic clamping plate; the device is characterized by further comprising a plurality of pressing plates connected in series through ropes at the bottom end of the supporting plate, wherein the top of the pressing plate close to the supporting plate is lapped on the front end face of the supporting plate, and each pressing plate is lapped on the front end face of the upstream pressing plate adjacent to the pressing plate in sequence along the direction away from the supporting plate. This back chair back increases device, the overhead at back chair back through the clamp slot clamp between back board and the elastic clamp plate when needs, alright be realized the increase of back height by the back board, through the arrangement of establishing ties in proper order and each clamp plate of overlap joint mutually in addition, also can guarantee through the back to the back pressure of clamp plate that the back board does not take place to lean backward to can provide the support to the head when having a rest, and be favorable to improving the rest effect.
Description
Technical Field
The invention belongs to the technical field of life, and particularly relates to a backrest heightening device of a backrest chair.
Background
For financial management personnel, most of work needs to be performed on a table, after long-time tiredness or in noon break time, many people like to rest on the back of the back rest chair, but due to the existence of objective reasons, the back rest of the back rest chair of most people is lower, and when the people lean on the back rest, the head of the people is not supported, so that the rest effect is greatly influenced.
Disclosure of Invention
In view of the above description, an object of the present invention is to provide a backrest heightening device capable of increasing the height of a backrest chair when necessary.
The technical scheme of the invention is realized by the following steps:
a backrest heightening device of a backrest chair comprises a supporting plate, wherein an elastic clamping plate bent in a 7 shape is connected to the rear end face of the supporting plate, and a clamping groove for accommodating the top of the backrest chair is formed between the supporting plate and the elastic clamping plate; the device is characterized by further comprising a plurality of pressing plates connected in series through ropes at the bottom end of the supporting plate, wherein the top of the pressing plate close to the supporting plate is lapped on the front end face of the supporting plate, and each pressing plate is lapped on the front end face of the upstream pressing plate adjacent to the pressing plate in sequence along the direction away from the supporting plate.
As a limitation to the above manner, the elastic clamping plate is connected to the supporting plate in a height-adjustable manner through a connecting mechanism arranged between the elastic clamping plate and the supporting plate.
As a limitation to the above manner, the connecting mechanism comprises a plurality of blind holes arranged on the supporting plate at intervals along the height direction thereof, internal threads are arranged in the blind holes, a connecting through hole arranged on the elastic clamping plate, and a fastening bolt penetrating the connecting through hole and screwed on the blind holes when the connecting through hole is aligned with one blind hole.
As a limitation to the above manner, the ropes are two groups arranged side by side in the width direction of the support plate, and each group of ropes is arranged close to the edge of the support plate in the width direction.
As a limitation to the above, a groove is formed in the middle of the front end surface of the support plate.
As a limitation to the above embodiment, a soft pad is provided on the front end surface of the support plate.
As a limitation to the above, rubber plates are adhered to inner walls of both sides of the clip groove.
As a limitation to the above manner, the thickness of both ends of the rubber sheet is greater than the thickness of the middle portion thereof.
According to the backrest heightening device of the backrest chair, the backrest is clamped at the top of the backrest chair through the clamping groove between the supporting plate and the elastic clamping plate when needed, the backrest height can be increased by the supporting plate, and through the arrangement of the pressing plates which are sequentially connected in series and are overlapped, the supporting plate can be prevented from tilting backwards through the pressing of the back to the pressing plates, so that the head can be supported during rest, and the rest effect can be improved.
Drawings
FIG. 1 is a schematic view of a backrest raising means of a backrest chair in accordance with an embodiment of the invention;
FIG. 2 is a schematic view of another construction of a back-rest chair back-rest heightening device according to an embodiment of the present invention;
FIG. 3 is a schematic view showing the structure of the support plate and the elastic clamping plate according to the embodiment of the invention;
FIG. 4 is a schematic view showing another structure of the support plate and the elastic clamping plate according to the embodiment of the present invention;
FIG. 5 is a schematic view of a platen according to an embodiment of the present invention;
wherein: the novel clamping device comprises a 1-supporting plate, a 2-pressing plate, a 3-elastic clamping plate, a 4-clamping groove, a 5-fastening bolt, a 6-blind hole, a 7-rope, an 8-notch, a 21-upper plate body, a 22-lower plate body and a 23-through hole.
Detailed Description
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "back", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The invention will be described in detail below with reference to the drawings in connection with embodiments.
This embodiment relates to a backrest heightening device of a backrest chair, as shown in fig. 1 and 2, which comprises a support plate 1, an elastic clamping plate 3 bent in a shape of a 7 is connected on the rear end face of the support plate 1, a clamping groove 4 capable of accommodating the top of the backrest chair is formed between the support plate 1 and the elastic clamping plate 3, a plurality of pressing plates 2 sequentially connected in series through ropes are further included at the bottom end of the support 1, the top of the pressing plate 2 close to the support plate 1 is lapped on the front end face of the support plate 1, and each pressing plate 2 is also lapped on the front end face of an upstream pressing plate 2 adjacent to the pressing plate 2 sequentially along the direction far away from the support plate 1.
In this embodiment, the supporting plate 1 and the pressing plate 2 may be made of wood, while the elastic clamping plate 3 may be made of stainless steel or plastic with better plasticity, and the bending shape of the elastic clamping plate 3 may be formed by stamping or injection molding. In order to improve the adaptability to persons of different heights or back chairs of different heights, the elastic clamping plate 3 is also connected to the supporting plate 1 in a height-adjustable manner through a connecting mechanism arranged between the elastic clamping plate and the supporting plate 1. For a chair with a higher backrest, the elastic clamping plate 3 can be connected to the supporting plate 1 near the top of the supporting plate 1, and for a chair with a lower backrest, the elastic clamping plate 3 is connected near the bottom of the supporting plate 1.
Structurally, the connecting mechanism of the present embodiment includes a plurality of blind holes 6 disposed on the support plate 1 and spaced apart along the height direction thereof, internal threads are also disposed in each blind hole 6, and the connecting mechanism further includes a connecting through hole, not shown in the drawing, disposed on the elastic clamping plate 3, and a fastening bolt 5 penetrating the connecting through hole and screwed onto the corresponding blind hole 6 when the connecting through hole is aligned with one of the blind holes 6. In order to ensure the connection reliability of the elastic clamping plates 3 on the supporting plate 1, the blind holes 6 are two rows arranged on the rear end surface of the supporting plate 1 side by side, and the number of the corresponding connecting through holes on the elastic clamping plates 3 and the number of the used fastening bolts 5 are two.
In this embodiment, as shown in fig. 3 and 4, the ropes 7 connected to the bottom end of the support plate 1 are two groups of ropes arranged side by side along the width direction of the support plate 1, and each group of ropes 7 is arranged close to the edge of the support plate 1 in the width direction, and the ropes 7 can specifically adopt the existing structures such as nylon ropes or hemp ropes. As shown in fig. 5, the structure of the pressing plate 2 is composed of an upper plate body 21 and a lower plate body 22 which are connected and in a step shape, through holes 23 which are penetrated are respectively arranged on the upper plate body 21 and the lower plate body 22 near the two ends of the upper plate body 21 and the lower plate body 22, and ropes 7 penetrate through the through holes 23 to realize the serial connection between the pressing plates 2. In order to realize the lap joint of the pressing plate 2 close to the supporting plate 1 on the supporting plate 1, a concave notch 8 is formed on the front end face of the bottom end of the supporting plate 1, the upper plate body 21 in the pressing plate 2 close to the supporting plate 1 is lapped in the notch 8, and the flatness of the whole using end face of the heightening device can be ensured through the arrangement of the notch 8.
In order to improve comfort of head support, a groove may be further provided in the middle of the front end surface of the support plate 1 in this embodiment, and the shape of the groove may be designed into an inverted cone shape with a wider upper portion and a narrower lower portion with reference to the shape of the head of a person. In order to avoid discomfort caused by hard contact, a soft pad plate may be coated on the front end surface of the support plate 1, and a rubber pad or a cotton pad may be used specifically, although a soft pad plate may be provided on the front end surface of the support plate 1, and a soft pad plate may be coated on the front end surface of each press plate 2 to ensure comfort of the back. In addition, in order to improve the adaptability to the back rest of the back rest chair with different specifications, the back rest chair is better clamped at the top of the back rest, and in the embodiment, rubber plates can be adhered and arranged on the inner walls of the two sides of the clamping groove 4. The rubber plate can be designed into a structure with thick two ends and thin middle, the rubber plates stuck on the supporting plate 1 and the elastic clamping plate 3 are respectively abutted on the front end face and the rear end face of the backrest chair when being clamped, and the middle of the two ends of the rubber plate is thick and thin, so that the backrest with a certain radian can be adapted.
The backrest chair backrest heightening device of the embodiment is arranged through the supporting plate 1 and the elastic clamping plate 3, and when needed, the backrest is clamped at the top of the backrest chair backrest through the clamping groove 4 between the supporting plate 1 and the elastic clamping plate 3, so that the backrest height can be increased by the supporting plate 1, and the backrest chair backrest heightening device can ensure that the supporting plate 1 does not incline backwards through the backrest of the backrest opposite to the pressing plate 2 through the arrangement of the pressing plates 2 which are sequentially connected in series and overlapped with each other, so that the backrest chair backrest is capable of supporting the head when resting, and is beneficial to improving the resting effect. In addition, the adoption of the pressing plates 2 which are sequentially connected in series and overlapped can avoid the reduction of comfort when the back is in dependence caused by adopting a whole plate type structure through the deformability of the pressing plates.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should substitute or change the technical solution according to the technical concept of the present invention, to cover the scope of the present invention.
Claims (8)
1. A backrest lifting device of a backrest chair, which is characterized in that: comprises a supporting plate (1), an elastic clamping plate (3) bent in a 7 shape is connected on the rear end surface of the supporting plate (1), and a clamping groove (4) for accommodating the top of a backrest of the backrest chair is formed between the supporting plate (1) and the elastic clamping plate (3); the device also comprises a plurality of pressing plates (2) connected in series at the bottom end of the supporting plate (1) through ropes (7), wherein the tops of the pressing plates (2) close to the supporting plate (1) are lapped on the front end surface of the supporting plate (1), and each pressing plate (2) is lapped on the front end surface of the adjacent upstream pressing plate (2) in sequence along the direction away from the supporting plate (1);
the pressing plate (2) is composed of an upper plate body (21) and a lower plate body (22) which are connected and in a step shape, through holes (23) which are penetrated are respectively arranged on the upper plate body (21) and the lower plate body (22) near two ends, and the ropes (7) are penetrated in the through holes (23);
a concave notch (8) is formed on the front end surface of the bottom end of the supporting plate (1), and an upper plate body (21) in the pressing plate (2) close to the supporting plate (1) is lapped in the notch (8).
2. The back-rest chair back-rest heightening device according to claim 1, wherein: the elastic clamping plate (3) is connected to the supporting plate (1) through a connecting mechanism arranged between the elastic clamping plate and the supporting plate (1) in a height-adjustable mode.
3. The back-rest chair back-rest heightening device according to claim 2, characterized in that: the connecting mechanism comprises a plurality of blind holes (6) which are arranged on the supporting plate (1) at intervals along the height direction, wherein internal threads are arranged in the blind holes (6), the connecting mechanism further comprises connecting through holes which are arranged on the elastic clamping plate (3), and fastening bolts (5) which penetrate through the connecting through holes and are screwed on the blind holes (6) when the connecting through holes are aligned with one blind hole (6).
4. The back-rest chair back-rest heightening device according to claim 1, wherein: the ropes (7) are two groups which are arranged side by side along the width direction of the supporting plate (1), and each group of ropes (7) is arranged close to the edge of the supporting plate (1) in the width direction.
5. The back-rest chair back-rest heightening device according to claim 1, wherein: a groove is formed in the middle of the front end surface of the supporting plate (1).
6. The back-rest chair back-rest heightening device according to claim 5, wherein: a soft backing plate is covered on the front end surface of the supporting plate (1).
7. The back-rest chair back-rest heightening device according to any one of claims 1 to 6, characterized in that: rubber plates are adhered to the inner walls of the two sides of the clamping groove (4).
8. The back-rest chair back-rest heightening device according to claim 7, wherein: the thickness of the two ends of the rubber plate is larger than that of the middle part of the rubber plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610986513.3A CN106419238B (en) | 2016-11-10 | 2016-11-10 | Backrest heightening device of backrest chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610986513.3A CN106419238B (en) | 2016-11-10 | 2016-11-10 | Backrest heightening device of backrest chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106419238A CN106419238A (en) | 2017-02-22 |
| CN106419238B true CN106419238B (en) | 2023-11-03 |
Family
ID=58208223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610986513.3A Active CN106419238B (en) | 2016-11-10 | 2016-11-10 | Backrest heightening device of backrest chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106419238B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108741853A (en) * | 2018-09-03 | 2018-11-06 | 华倩倩 | A kind of seat backrest |
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|---|---|---|---|---|
| CN101068490A (en) * | 2004-11-30 | 2007-11-07 | L&P瑞士持有公司 | Support structure for a seat |
| CN200973532Y (en) * | 2006-11-28 | 2007-11-14 | 王佳骏 | New type chair |
| KR20090002655U (en) * | 2007-09-12 | 2009-03-17 | 주식회사 선일 | A Back panel for chair |
| CN201274902Y (en) * | 2007-09-18 | 2009-07-22 | 卢顺接 | Chair and chair back support |
| KR20110026278A (en) * | 2009-09-07 | 2011-03-15 | 김선환 | The back of a chair |
| JP2012010934A (en) * | 2010-06-30 | 2012-01-19 | Kokuyo Co Ltd | Chair |
| CN203088228U (en) * | 2012-12-10 | 2013-07-31 | 宁波市梦莹家具制造有限公司 | Multi-segmented column-shaped backrest dining chair |
| CN204181259U (en) * | 2014-10-10 | 2015-03-04 | 哈尔滨金融学院 | Chair is dredged in ideological and political education |
| CN204318088U (en) * | 2014-12-30 | 2015-05-13 | 方策 | A kind of Multifunction chair |
| CN104783539A (en) * | 2014-01-20 | 2015-07-22 | 李培训 | Customized health-care high backrest |
| CN205674925U (en) * | 2016-06-28 | 2016-11-09 | 游图明 | The auxiliary device of chair used on a kind of vehicles |
-
2016
- 2016-11-10 CN CN201610986513.3A patent/CN106419238B/en active Active
Patent Citations (11)
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|---|---|---|---|---|
| CN101068490A (en) * | 2004-11-30 | 2007-11-07 | L&P瑞士持有公司 | Support structure for a seat |
| CN200973532Y (en) * | 2006-11-28 | 2007-11-14 | 王佳骏 | New type chair |
| KR20090002655U (en) * | 2007-09-12 | 2009-03-17 | 주식회사 선일 | A Back panel for chair |
| CN201274902Y (en) * | 2007-09-18 | 2009-07-22 | 卢顺接 | Chair and chair back support |
| KR20110026278A (en) * | 2009-09-07 | 2011-03-15 | 김선환 | The back of a chair |
| JP2012010934A (en) * | 2010-06-30 | 2012-01-19 | Kokuyo Co Ltd | Chair |
| CN203088228U (en) * | 2012-12-10 | 2013-07-31 | 宁波市梦莹家具制造有限公司 | Multi-segmented column-shaped backrest dining chair |
| CN104783539A (en) * | 2014-01-20 | 2015-07-22 | 李培训 | Customized health-care high backrest |
| CN204181259U (en) * | 2014-10-10 | 2015-03-04 | 哈尔滨金融学院 | Chair is dredged in ideological and political education |
| CN204318088U (en) * | 2014-12-30 | 2015-05-13 | 方策 | A kind of Multifunction chair |
| CN205674925U (en) * | 2016-06-28 | 2016-11-09 | 游图明 | The auxiliary device of chair used on a kind of vehicles |
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| Title |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106419238A (en) | 2017-02-22 |
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Effective date of registration: 20231009 Address after: Room 1701, 17th Floor, Building 5, No. 18 Jialing Jiangdong Street, Jianye District, Nanjing City, Jiangsu Province, 210019 Applicant after: Nanjing Xingyunlu Network Technology Co.,Ltd. Address before: 063017 No. 701, gate 4, 306 / F, Huimin garden, zhengtaili, West circuit, Lunan District, Tangshan City, Hebei Province Applicant before: Zhu Lin |
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