CN108741857B - Fully-adjustable backrest chair - Google Patents
Fully-adjustable backrest chair Download PDFInfo
- Publication number
- CN108741857B CN108741857B CN201810706986.2A CN201810706986A CN108741857B CN 108741857 B CN108741857 B CN 108741857B CN 201810706986 A CN201810706986 A CN 201810706986A CN 108741857 B CN108741857 B CN 108741857B
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- CN
- China
- Prior art keywords
- chair
- sliding
- gear
- chair back
- fixing plates
- 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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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
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/34—Chairs or stools with vertically-adjustable seats with pins coacting with holes or bolt-and-nut adjustment
-
- 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
Abstract
The application discloses a furniture device, in particular to a fully-adjustable backrest chair, which comprises chair legs vertically arranged, a chair surface connected with the upper ends of the chair legs, and a chair back connected with the chair surface, wherein the chair back is arranged front and back, the chair back is connected with the rear part of the chair surface, the chair back comprises a plurality of chair back bodies arranged left and right, two fixing plates arranged up and down, the plurality of chair back bodies are arranged at intervals up and down, the lower ends of the two fixing plates are connected with the rear part of the chair surface, the two fixing plates are respectively arranged at the left end and the right end of the plurality of chair back bodies, and the two fixing plates are respectively provided with an adjusting mechanism capable of independently adjusting the front and back distance of each chair back body. The novel fully-adjustable backrest chair can enable the waist, the back, the neck and the head of a person to cling to the chair back, and all parts reach the most comfortable state, so that the problem that the waist, the back, the neck or the head is uncomfortable when the chair back person sits on the existing chair is solved.
Description
Technical Field
The application relates to the field of furniture, in particular to a fully-adjustable backrest chair.
Background
The backrest of the existing chairs on the market is not adjustable and the backrest of the existing chairs is adjustable, and the adjusting function of the backrest-adjustable chairs is mainly only that the inclination of a headrest and the inclination of the whole chair back are adjustable, so that the waist, the back, the neck, the head and other parts of a person cannot be completely clung to the chair back, the waist, the back, the neck and the head of the person are uncomfortable due to long-time sitting, and lumbar vertebra and cervical spondylosis can be caused over time.
Disclosure of Invention
The application aims to solve the technical problems that: in combination with the prior art, the novel fully-adjustable backrest chair is provided, and the waist, the back, the neck and the head of a user can be clung to the chair back, and all parts can reach the most comfortable state, so that the problem that the waist, the back, the neck or the head of the user sitting on the chair back of the existing chair is uncomfortable is solved.
The application solves the technical problems as follows: the utility model provides a full adjustable back chair, its is including being the chair foot of vertical setting, the seat of being connected with the upper end of chair foot, the back of the chair of being connected with the seat, the seat personally submit the back of the chair and set up from top to bottom, the back of the chair be connected with the rear portion of seat, the back of the chair include the back of the chair body that sets up about a plurality of, two fixed plate, a plurality of back of the chair body about the interval arrangement set up, two the lower extreme of fixed plate is connected with the rear portion of seat, two the fixed plate set up respectively in the left and right sides both ends of a plurality of back of the chair body, two the fixed plate all be equipped with the adjustment mechanism of the front and back distance of every back of the chair body of individual adjustment, two the fixed plate respectively through adjustment mechanism and the tip swing joint of a plurality of back of the chair body.
As a further improvement of the above technical solution, the adjusting mechanism;
including two vertical setting's draw runner, a plurality of locking piece, a plurality of and the bracing piece that the back of the chair body one-to-one is connected, a plurality of spring that sets up around, a plurality of locking piece, spring and bracing piece one-to-one are connected, two the draw runner be relative parallel arrangement, two draw runner and fixed plate upper and lower swing joint, a plurality of locking piece be about interval arrangement setting between two draw runners, bracing piece and back of the chair body fixed connection, the front end of spring be connected with the bracing piece, the rear end and the fixed plate of spring be connected for the spring provide a forward thrust for the bracing piece, the locking piece be equipped with the constant head tank that a plurality of front and back interval arrangement set up, bracing piece and constant head tank releasable connection to realize the location of back of the chair body on the front and back of the body, one of them draw runner be equipped with the rack that sets up from top to bottom, with the gear engagement transmission's handle, with gear connection, gear and fixed plate pass through the connection, the handle controllable gear's of handle gear drive on the rack and the pivot that makes the drive down of gear on the draw runner, the realization clutch groove.
As a further improvement of the technical scheme, the two sliding strips are provided with a plurality of strip-shaped sliding grooves which are arranged at intervals up and down, the sliding grooves are provided with guide posts which are in sliding connection with the sliding grooves, and the guide posts are fixedly connected with the fixing plates.
As a further improvement of the technical scheme, a plurality of sliding grooves are connected with the supporting rods in a one-to-one correspondence manner, a connecting rod is connected between the two corresponding guide posts on the sliding strips, the connecting rod is arranged front and back, the spring is sleeved on the connecting rod, the rear end of the spring is abutted with the guide posts, and the front end of the spring is abutted with the supporting rods.
As a further improvement of the technical scheme, two sliding strips are respectively provided with a rack and a gear, the racks on the two sliding strips are oppositely arranged on the inner wall surface of the sliding strip, the racks are arranged at the lower part of the sliding strip, the gears on each rack are respectively arranged between the two sliding strips, the gears on the two sliding strips are meshed with each other, and the handle is provided with one gear which is connected with the handle.
As a further improvement of the technical scheme, the chair legs are provided with height adjusters, and the height adjusters can adjust the height of the chair surface.
As a further improvement of the technical scheme, the left side and the right side of the seat are provided with armrests which are arranged front and back, the front ends of the armrests are fixedly connected with the side wall of the seat, and the rear ends of the armrests are fixedly connected with the fixing plate.
As a further improvement of the technical scheme, the lower end of the chair leg is connected with the pulley yoke, the pulley yoke is provided with a plurality of pulley rods which are radially arranged, the inner ends of the pulley rods are connected with the pulley yoke, and the outer ends of the pulley rods are connected with pulleys.
The beneficial effects of the application are as follows: the chair back comprises a plurality of chair back bodies which are arranged left and right, and two fixing plates which are arranged up and down, wherein the two fixing plates are respectively arranged at the left end and the right end of the plurality of chair back bodies, each chair back body is independently adjustable, the fixing plates control the plurality of chair back bodies through the adjusting mechanism, the adjusting mechanism can independently adjust the front and back distance of each chair back body, the waist, the back, the neck and the head of a person cling to the chair back, and all parts are in the most comfortable state, so that the problem that the waist, the back, the neck or the head of the person sitting on the chair back of the existing chair is uncomfortable is solved.
The application is used for: furniture such as seats and sofas.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the application, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic diagram of an embodiment of the present application;
fig. 2 is a schematic structural view of an adjusting mechanism according to an embodiment of the present application.
Detailed Description
The conception, specific structure, and technical effects produced by the present application will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present application. It is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present application based on the embodiments of the present application. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation. The technical features in the application can be interactively combined on the premise of no contradiction and conflict.
Referring to fig. 1 to 2, the embodiment of the present application: the utility model provides a full adjustable back chair, its is including being the chair foot 1 of vertical setting, the seat 2 of being connected with the upper end of chair foot 1, the back of the chair 3 of being connected with seat 2, seat 2 be back and forth setting, back of the chair 3 be connected with the rear portion of seat 2, back of the chair 3 include the back of the chair body 31 that sets up about a plurality of, two fixed plate 32 that set up from top to bottom, a plurality of back of the chair body 31 upper and lower interval arrangement set up, two the lower extreme of fixed plate 32 is connected with the rear portion of seat 2, two fixed plate 32 set up respectively in the left and right sides both ends of a plurality of back of the chair body 31, two fixed plate 32 all be equipped with the adjustment mechanism 33 of the front and back distance of every back of the chair body 31 of individual adjustment, two fixed plate 32 respectively through adjustment mechanism 33 and the tip swing joint of a plurality of back of the chair body 31. The chair back 3 comprises a plurality of chair back bodies 31 which are arranged left and right, two fixing plates 32 which are arranged up and down, wherein the two fixing plates 32 are respectively arranged at the left end and the right end of the plurality of chair back bodies 31, each chair back body 31 is independently adjustable, the fixing plates 32 control the plurality of chair back bodies 31 through an adjusting mechanism 33, and the adjusting mechanism 33 can independently adjust the front-back distance of each chair back body 31, so that the waist, the back, the neck and the head of a person cling to the chair back, and all parts reach the most comfortable state, thereby solving the problem that the waist, the back, the neck or the head of the person sitting on the chair back of the current chair is uncomfortable.
Further as a preferred embodiment, said adjusting mechanism 33;
the utility model provides a handle, including two vertical setting's draw runner 331, a plurality of locking piece 332 that are connected with two draw runner 331, a plurality of bracing piece 333 that are connected with back of the chair body 31 one-to-one, a plurality of spring 334 that set up around the spring 334, a plurality of locking piece 332, spring 334 and bracing piece 333 one-to-one be connected, two draw runner 331 be relative parallel arrangement, two draw runner 331 and fixed plate 32 upper and lower swing joint, a plurality of locking piece 332 are the interval arrangement setting up between two draw runner 331 from top to bottom, bracing piece 333 and back of the chair body 31 fixed connection, the front end of spring 334 be connected with bracing piece 333, the rear end of spring 334 be connected with fixed plate 32 for spring 334 provide a forward thrust give bracing piece 333, locking piece 332 be equipped with a plurality of front and back of the interval arrangement setting's constant head tank 335, bracing piece 333 and constant head tank 335 detachable connection to realize the location of back of the chair body 31 in the front and back of the direction, one of the draw runner 331 is equipped with rack 336 that sets up from top to bottom, with the rack 337, with the gear 337 of rack 337 and gear 337 make the handle be connected with the gear wheel 337 by the drive the rotatable shaft of the handle, the handle is connected with the gear wheel 337. Firstly, the handle 3311 rotates the gear 337, the gear 337 drives the slide bar 331 to move downwards, the slide bar 331 drives the locking block 332 to move downwards, the locating groove 335 is separated from the supporting rod 333, the supporting rod 333 pushes the chair back bodies 31 to the forefront end through the spring 334, at this time, the people cling to the chair back bodies 31 through the backs and exert force, the chair back bodies 31 move backwards to different degrees, the chair back bodies 31 cling to the waist, the backs, the necks and the heads of the people until the comfort is achieved, the gear 337 is reversely rotated through the handle 3311, the slide bar 331 is driven to move upwards through the gear 337, and the slide bar 331 drives the locking block 332 to move upwards, so that the locating groove 335 is meshed with the supporting rod 333, and the chair back bodies 31 are locked.
Further as a preferred embodiment, both the sliding strips 331 are provided with a plurality of strip-shaped sliding grooves 338, the sliding grooves 338 are arranged at intervals up and down, the sliding grooves 338 are provided with guide posts 339, the guide posts 339 are slidably connected with the sliding grooves 338, and the guide posts 339 are fixedly connected with the fixing plate 32. The sliding groove 338 and the guide column 339 guide the sliding bar 331 to move up and down more accurately, so that the sliding bar 331 is prevented from deviating from a limited moving direction, the supporting bar 333 cannot be engaged with the positioning groove 335, and the reliability of the adjusting mechanism 33 is improved.
Further as a preferred embodiment, a plurality of sliding grooves 338 are connected with the supporting rods 333 in a one-to-one correspondence manner, a connecting rod 3310 is connected between two corresponding guide posts 339 on the two sliding strips 331, the connecting rod 3310 is arranged front and back, the spring 334 is sleeved on the connecting rod 3310, the rear end of the spring 334 is abutted with the guide posts 339, and the front end of the spring 334 is abutted with the supporting rods 333. The spring 334 is sleeved on the connecting rod 3310 arranged front and back, so that the acting force of the spring 334 on the chair back body 31 is always kept in the front and back direction, the moving stability of each chair back body 31 is improved, the connecting mechanism is prevented from being damaged due to uneven stress of the chair back body 31, and the reliability of the adjusting mechanism 33 is further improved.
Further, as a preferred embodiment, the two sliding strips 331 are respectively provided with a rack 336 and a gear 337, the racks 336 on the two sliding strips 331 are oppositely arranged on the inner wall surface of the sliding strip 331, the racks 336 are arranged at the lower part of the sliding strip 331, the gears 337 on each rack 336 are respectively arranged between the two sliding strips 331, the gears 337 on the two racks 336 are meshed with each other, the handle 3311 is provided with one gear, and the handle 3311 is connected with one gear 337. Through the mutual engagement between the gears 337 and the rack 336, only one handle 3311 is needed to adjust one of the gears 337, which is convenient for the operation of the user, and also improves the stability of the adjustment mechanism 33.
Further as a preferred embodiment, the chair leg 1 is provided with a height adjuster 11, and the height adjuster 11 can adjust the height of the chair surface 2. The height of the chair surface 2 is adjusted through the height adjuster 11, so that the use of people with different heights can be met, and the comfort level of users is improved.
Further as a preferred embodiment, the left and right sides of the seat 2 are provided with armrests 21 disposed front and back, the front ends of the armrests 21 are fixedly connected with the side walls of the seat 2, and the rear ends of the armrests 21 are fixedly connected with the fixing plates 32. Armrests 21 are arranged on the left side and the right side of the chair surface 2, and a user can place handles on the armrests 21, so that the comfort level of the user is further improved.
Further as a preferred embodiment, the lower end of the chair leg 1 is connected with a pulley frame 12, the pulley frame 12 is provided with a plurality of pulley rods 13 which are radially arranged, the inner ends of the pulley rods 13 are connected with the pulley frame 12, and the outer ends of the pulley rods 13 are connected with pulleys 14. The stability of the chair is improved through the pulley rods 13 which are radially arranged, the outer ends of the pulley rods 13 are connected with pulleys 14, and when the chair is moved, the chair is only pushed, the chair does not need to be lifted, and the chair is convenient to transport.
While the preferred embodiment of the present application has been described in detail, the application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the application, and these modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (2)
1. The utility model provides a full adjustable back chair, its is including being chair foot (1) of vertical setting, seat (2) be connected with the upper end of chair foot (1), the back of the chair (3) be connected with seat (2), seat (2) be the front and back setting, back of the chair (3) be connected with the rear portion of seat (2), its characterized in that: the chair back (3) comprises a plurality of chair back bodies (31) which are arranged left and right, two fixing plates (32) which are arranged up and down, a plurality of the chair back bodies (31) are arranged up and down at intervals, the lower ends of the two fixing plates (32) are connected with the rear part of the chair surface (2), the two fixing plates (32) are respectively arranged at the left end and the right end of the plurality of chair back bodies (31), the two fixing plates (32) are respectively provided with an adjusting mechanism (33) which can independently adjust the front and back distance of each chair back body (31), and the two fixing plates (32) are respectively movably connected with the end parts of the plurality of chair back bodies (31) through the adjusting mechanism (33); the adjusting mechanism (33) comprises two vertically arranged sliding strips (331), a plurality of locking blocks (332) connected with the two sliding strips (331), a plurality of supporting rods (333) connected with the chair back body (31) in one-to-one correspondence, a plurality of springs (334) arranged front and back, a plurality of locking blocks (332), springs (334) connected with the supporting rods (333) in one-to-one correspondence, two sliding strips (331) which are relatively arranged in parallel, two sliding strips (331) which are movably connected with the fixed plate (32) up and down, a plurality of locking blocks (332) which are arranged between the two sliding strips (331) in an up-down interval arrangement, the utility model provides a chair back body (31) fixed connection, bracing piece (333), the front end and bracing piece (333) of spring (334) be connected, the rear end and fixed plate (32) of spring (334) be connected, make spring (334) provide a forward thrust for bracing piece (333), locking piece (332) be equipped with constant head tank (335) that a plurality of front and back interval arrangement set up, bracing piece (333) and constant head tank (335) detachable connection to realize the location of chair back body (31) in the fore-and-aft direction, one of them draw runner (331) be equipped with rack (336) that set up from top to bottom, with rack (336) meshing transmission gear (337), the handle (3311) is connected with the gear (337), the gear (337) is connected with the fixed plate (32) through a rotating shaft, the handle (3311) can control the rotation of the gear (337) to enable the gear (337) to drive the slide bar (331) to move up and down, and the supporting rod (333) is enabled to realize the clutch on the positioning groove (335);
the two sliding strips (331) are provided with a plurality of strip-shaped sliding grooves (338), the sliding grooves (338) are arranged in an up-down interval manner, the sliding grooves (338) are provided with guide posts (339), the guide posts (339) are in sliding connection with the sliding grooves (338), and the guide posts (339) are fixedly connected with the fixed plate (32);
the sliding grooves (338) are connected with the supporting rods (333) in a one-to-one correspondence manner, a connecting rod (3310) is connected between two guide posts (339) corresponding to the sliding strips (331) in a front-to-back manner, the connecting rod (3310) is arranged in a front-to-back manner, the spring (334) is sleeved on the connecting rod (3310), the rear end of the spring (334) is abutted with the guide posts (339), and the front end of the spring (334) is abutted with the supporting rods (333);
the two sliding strips (331) are respectively provided with a rack (336) and a gear (337), the racks (336) on the two sliding strips (331) are oppositely arranged on the inner wall surface of the sliding strip (331), the racks (336) are arranged at the lower part of the sliding strip (331), the gear (337) on each rack (336) is arranged between the two sliding strips (331), the gears (337) on the two racks (336) are meshed with each other, the handle (3311) is provided with one, and the handle (3311) is connected with one of the gears (337);
the chair legs (1) are provided with height adjusters (11), and the height adjusters (11) can adjust the height of the chair surface (2);
the left side and the right side of the chair surface (2) are provided with armrests (21) which are arranged front and back, the front ends of the armrests (21) are fixedly connected with the side walls of the chair surface (2), and the rear ends of the armrests (21) are fixedly connected with a fixing plate (32).
2. A fully adjustable back chair according to claim 1 wherein: the lower extreme of chair foot (1) connect pulley yoke (12), pulley yoke (12) be equipped with a plurality of pulley lever (13) that are radial setting, the inner and pulley yoke (12) of pulley lever (13) be connected, the outer end of pulley lever (13) be connected with pulley (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810706986.2A CN108741857B (en) | 2018-07-02 | 2018-07-02 | Fully-adjustable backrest chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810706986.2A CN108741857B (en) | 2018-07-02 | 2018-07-02 | Fully-adjustable backrest chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108741857A CN108741857A (en) | 2018-11-06 |
| CN108741857B true CN108741857B (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810706986.2A Active CN108741857B (en) | 2018-07-02 | 2018-07-02 | Fully-adjustable backrest chair |
Country Status (1)
| Country | Link |
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| CN (1) | CN108741857B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448083A (en) * | 2019-07-03 | 2019-11-15 | 佛山市石井旅游制品有限公司 | A kind of height-adjustable folding seat |
| CN111568098A (en) * | 2020-05-25 | 2020-08-25 | 韦振勇 | Seat backrest with good supporting effect |
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| CN108741857A (en) | 2018-11-06 |
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