CN213720942U - Chair back adjusting frame, lifting chair tray and lifting chair - Google Patents
Chair back adjusting frame, lifting chair tray and lifting chair Download PDFInfo
- Publication number
- CN213720942U CN213720942U CN202020291849.XU CN202020291849U CN213720942U CN 213720942 U CN213720942 U CN 213720942U CN 202020291849 U CN202020291849 U CN 202020291849U CN 213720942 U CN213720942 U CN 213720942U
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- chair
- chair back
- gear strip
- gear
- adjusting
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Abstract
The utility model relates to a chair back adjusting bracket, which comprises a chair back bracket and a fixed frame, wherein the chair back bracket is connected with the fixed frame in a sliding way, an elastic part is arranged on the chair back bracket, and a limit part is arranged at the movable end of the elastic part; a lifting gear strip is arranged on the fixed frame, a plurality of gear grooves capable of being matched with the limiting pieces are formed in the front surface of the lifting gear strip, and a carry guide surface for guiding the limiting pieces into the gear grooves is arranged below each gear groove; the utility model discloses a gear strip that goes up and down, including mount, gear strip, locating part, gear strip, the gear strip front side of going up and gear strip is provided with the locating part is leading-in the leading-in of the leading to of resetting of locating part. The structure is intuitive to operate, long in service life, simple in structure, easy to install and good in stability.
Description
Technical Field
The utility model relates to a lift chair field especially relates to back of the chair alignment jig, tray and lift chair.
Background
The chair back of the chair is an important part for providing the supporting comfort level of the human body in a sitting posture state, and in order to effectively provide wider adaptability, the chair back is often configured to be adjustable in lifting mode so as to adapt to the height of the upper body of different people in different sitting postures. The existing lifting adjusting mechanism generally adopts a friction fit or salient point fit mode, so that the adjustment of the chair back forms gear adjustment. The above two gear adjusting modes are usually started in the adjusting process through the structure of a button and the like, the structure is not intuitive in operation, short in service life, difficult to maintain the function of long-term repeated adjustment, and poor in stability.
The Chinese utility model with publication number CN 209573966U discloses a rapid reset structure of a lifting chair back, which comprises a lifting chair back and a fixed frame, wherein the lifting chair back is movably connected with the front end of the fixed frame, the lifting chair back comprises a chair back support, the rear surface of the chair back support is provided with a buckle, a connecting plate fixedly connected with the rear surface of the chair back support, a snap spring arranged at the lower end of the connecting plate, a torsional spring movably connected with the lower part of the connecting plate and a slope arranged below the snap spring, the snap spring is provided with an extension strip and a ring-shaped spring at the tail end corner of the extension strip, the buckle is arranged at the side of the connecting plate and movably connected with the rear surface of the chair back support, one end of the torsional spring is contacted with the chair back support, the other end of the torsional spring is elastically compressed by the action force of the buckle, the buckle is provided with a slotted hole and a slope contact, the opening width of the slotted hole is slightly smaller than the diameter of the ring-shaped spring, and the slotted hole is opposite to the ring-shaped spring, the slope contact is opposite to the slope surface of the slope, a lifting gear strip is arranged on the front surface of the fixing frame, the buckling part of the buckle is in contact with the gear of the lifting gear strip, and a protruding block is arranged at the highest position of the lifting gear strip. The structure quick reset structure is visual in operation, long in service life and good in stability, but the structure is complex, the installation cost is high, the installation is difficult, and the anti-interference capability is not strong enough.
Disclosure of Invention
In order to solve the problem, the utility model aims to provide a back of the chair alignment jig simple structure, easily the operation is directly perceived, long service life, stability are good.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a chair back adjusting frame comprises a chair back support and a fixed frame, wherein the chair back support is connected with the fixed frame in a sliding manner, an elastic piece is arranged on the chair back support, and a limiting piece is arranged at the movable end of the elastic piece; a lifting gear strip is arranged on the fixed frame, a plurality of gear grooves capable of being matched with the limiting pieces are formed in the front surface of the lifting gear strip, and a carry guide surface for guiding the limiting pieces into the gear grooves is arranged below each gear groove; the utility model discloses a gear strip that goes up and down, including mount, gear strip, locating part, gear strip, the gear strip front side of going up and gear strip is provided with the locating part is leading-in the leading-in of the leading to of resetting of locating part. When the lifting gear strip is used, the chair back is pulled by hands to drive the chair back support to move upwards, the limiting part enters different gears upwards in sequence along a carry channel on the front side of the lifting gear strip respectively, and the limiting part enters the top end of the lifting gear strip, because the effect of the reset guide surface enables the chair back to be pressed downwards at the moment, the limiting part enters the reset channel through the reset guide surface, and the lowest side of the lifting gear strip is returned.
Furthermore, the elastic piece is an elastic sheet, the lower end of the elastic sheet is connected with the chair back support, and a deformation space is arranged between the upper end of the elastic sheet and the chair back support. The elastic piece is arranged as an elastic piece with one fixed end and one movable end, and the elastic piece is elastically matched with the limiting piece at the movable end of the elastic piece to enter different gears and reset channels.
Further, be provided with first spout on the mount, set up on the back of the chair support in the first spout, first spout front side is provided with the second spout, the gear strip that goes up and down sets up on the wall of second spout both sides, the flexure strip sets up between the gear strip that goes up and down of both sides. Through set up first spout on the mount, make back of the chair support follow first spout slides, the flexure strip sets up between the lift gear strip on second spout both sides wall, be provided with the locating part on the both sides of the expansion end of flexure strip, thereby get into through the locating part of both sides thereby the gear groove pins downwards the flexure strip, and then pins whole back of the chair support.
The utility model provides a lift chair tray, its includes main part frame and foretell back of the chair alignment jig, the main part frame with back of the chair alignment jig is articulated, be equipped with on the main part frame and be used for the first regulation pole of height-adjusting and adjust the second regulation pole of back of the chair slope degree. The specific manner of height adjustment and the manner of backrest recline adjustment are known in the art.
A lifting chair comprises the lifting chair tray.
The above technical scheme is adopted in the utility model, with the elastic component conversion of complicacy among the prior art for taking the flexure strip of locating part, and make the locating part of elastic component tip can follow the leading surface that resets of lift gear strip upper end and get into the passageway that resets from lift gear strip rear to initial position resets, simple structure is ingenious, simple to operate, and convenient to use degree is high.
Drawings
Figure 1 is a prior art illustration of a prior art,
figure 2 is a cross-sectional explanatory view of the present invention,
figure 3 is an explanatory view of the present invention,
figure 4 is an explanatory drawing of the lifting gear strip of the utility model,
figure 5 is an explanatory view of the chair back bracket of the utility model,
in the figure: the chair back comprises a chair back support 1, a fixed frame 2, a lifting gear strip 3, a carry channel 4, a reset channel 5, a reset guide surface 6, an elastic sheet 7, a metal rod, a sliding groove 9, a main body frame 10, a carry guide surface 11, a gear groove 12, a first adjusting rod 13 and a second adjusting rod 14.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1: as shown in fig. 1 to 5, a chair back adjusting bracket comprises a chair back bracket 1 and a fixed frame 2, wherein the chair back bracket is slidably connected with the fixed frame, an elastic member 7 is arranged on the chair back bracket, and a limiting member 8 is arranged at the movable end of the elastic member; a lifting gear strip 3 is arranged on the fixed frame, a plurality of gear grooves 12 capable of being matched with the limiting pieces are formed in the front surface of the lifting gear strip, and a carry guide surface 11 for guiding the limiting pieces into the gear grooves is arranged below each gear groove; the gear strip front side that goes up and down on the mount is provided with carry channel 4, on the mount the gear strip rear side that goes up and down is provided with reset channel 5, the top of going up and down the gear strip be provided with the locating part is leading-in reset channel's the spigot surface that resets.
When the lifting gear strip is used, the chair back is pulled by hands to drive the chair back support to move upwards, the limiting part sequentially enters different gears respectively along a carry channel on the front side of the lifting gear strip, and when the limiting part moves to the upper end part of the lifting gear strip, the chair back is pressed downwards, at this time, the limiting part enters a reset channel through the reset guide surface, so that the lowest side of the lifting gear strip is returned.
The elastic member has various structures including various spring assemblies provided with elastic force by springs, but in order to make the structure of the elastic member relatively simple and have high stability, the elastic piece is provided to provide the required elastic force, and the position of the limiting piece is changed by the deformation of the movable end of the elastic piece. The following are specific embodiments.
As shown in fig. 5, the elastic piece is an elastic piece 7, the lower end of the elastic piece is connected with the chair back support, the upper end of the elastic piece is connected with the chair back support, a deformation space is formed between the upper end of the elastic piece and the chair back support, a limiting piece 8 is arranged at the end of the elastic piece and penetrates through the end of the elastic piece, and the lower end of the elastic piece 7 is fixed at the lower end of the chair back support 1 through a fastening piece.
As shown in fig. 3, a first sliding groove 9 is formed in the fixing frame, the seat back support is arranged in the first sliding groove 9, a second sliding groove is formed in the front side of the second sliding groove, the lifting gear strips are arranged on the two side walls of the second sliding groove, and the elastic pieces are arranged between the lifting gear strips on the two sides.
Example 2: as shown in fig. 3, a lift chair tray includes a main frame 10 and a chair back adjusting frame in embodiment 1, the main frame 10 is hinged to the chair back adjusting frame, a first adjusting rod 13 for adjusting the height and a second adjusting rod 14 for adjusting the inclination of the chair back are provided on the main frame, and the specific height adjusting mode and the chair back inclination adjusting mode are the prior art.
Example 3: a lift chair comprising the lift chair tray of embodiment 2.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (5)
1. The utility model provides a back of chair alignment jig, includes back of chair support and mount, back of chair support and mount sliding connection, its characterized in that: an elastic piece is arranged on the chair back bracket, and a limiting piece is arranged at the movable end of the elastic piece; a lifting gear strip is arranged on the fixed frame, a plurality of gear grooves capable of being matched with the limiting pieces are formed in the front surface of the lifting gear strip, and a carry guide surface for guiding the limiting pieces into the gear grooves is arranged below each gear groove; the gear strip that goes up and down the front side be provided with the carry passageway on the mount, go up and down gear strip rear side be provided with the passageway that resets on the mount, the top of going up and down gear strip is provided with the locating part is leading-in reset channel's the spigot surface that resets.
2. The chair back adjusting bracket of claim 1, wherein: the elastic piece is an elastic sheet, the lower end of the elastic sheet is connected with the chair back support, and a deformation space is arranged between the upper end of the elastic sheet and the chair back support.
3. The chair back adjusting bracket of claim 2, wherein: be provided with first spout on the mount, set up on the back of the chair support in the first spout, first spout front side is provided with the second spout, two the lift gear strip sets up on the wall of second spout both sides, the flexure strip sets up between the gear strip that goes up and down in both sides.
4. A lift chair tray which characterized in that: the chair back adjusting device comprises a main body frame and the chair back adjusting frame as claimed in any one of claims 1 to 3, wherein the main body frame is hinged to the chair back adjusting frame, and a first adjusting rod for adjusting the height of the main body frame and a second adjusting rod for adjusting the inclination degree of the chair back adjusting frame are arranged on the main body frame.
5. A lift chair comprising the lift chair tray of claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020291849.XU CN213720942U (en) | 2020-03-10 | 2020-03-10 | Chair back adjusting frame, lifting chair tray and lifting chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020291849.XU CN213720942U (en) | 2020-03-10 | 2020-03-10 | Chair back adjusting frame, lifting chair tray and lifting chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213720942U true CN213720942U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020291849.XU Active CN213720942U (en) | 2020-03-10 | 2020-03-10 | Chair back adjusting frame, lifting chair tray and lifting chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213720942U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113812793A (en) * | 2021-09-10 | 2021-12-21 | 恒林家居股份有限公司 | Chair with detachable top |
| WO2023207088A1 (en) * | 2022-04-25 | 2023-11-02 | 安吉瑞宝家具有限公司 | Chair back lifting/lowering mechanism |
-
2020
- 2020-03-10 CN CN202020291849.XU patent/CN213720942U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113812793A (en) * | 2021-09-10 | 2021-12-21 | 恒林家居股份有限公司 | Chair with detachable top |
| CN113812793B (en) * | 2021-09-10 | 2023-12-26 | 恒林家居股份有限公司 | Chair |
| WO2023207088A1 (en) * | 2022-04-25 | 2023-11-02 | 安吉瑞宝家具有限公司 | Chair back lifting/lowering mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221205 Address after: 313300 Floor 5, Building 4, No. 239, Changle Road, Dipu Street, Anji County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Jinbiao Furniture Technology Co.,Ltd. Address before: 313300 Diepu Zhen yishita Cun, Anji County, Huzhou City, Zhejiang Province Patentee before: Anji Jinbiao furniture factory |
|
| TR01 | Transfer of patent right |