CN218304116U

CN218304116U - Self-adaptive elastic chair back

Info

Publication number: CN218304116U
Application number: CN202222567951.XU
Authority: CN
Inventors: 赖慧萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-01-17
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a self-adaptive elastic chair back, which comprises a fixed frame and a chair back body; the back of the chair body includes back supporting part and a plurality of elastic connection portion, back supporting part with the mount is fixed connection, back supporting part is equipped with along the crisscross interval arrangement's of vertical direction a plurality of horizontal poles and a plurality of recesses, adjacent two be equipped with the installation department between the horizontal pole, just the installation department is located the both sides of recess, the thickness of installation department is less than the thickness of horizontal pole, the elastic connection portion cladding in the outside of installation department, the elastic connection portion keep away from a side end face of mount with the terminal surface parallel and level of horizontal pole, elastic connection portion's elastic deformation coefficient is greater than back supporting part's elastic deformation coefficient. The utility model discloses can self-adaptation user's developments position of sitting, provide better comfort.

Description

Self-adaptive elastic chair back

Technical Field

The utility model relates to a technical field of the seat back of the chair, in particular to self-adaptation elasticity back of the chair.

Background

The backrest is one of the important parts equipped on many chairs at present, and is used for providing comfort for people to lean against the back. However, the backrest of most of the existing seats is fixed and cannot be adjusted adaptively according to the physiological curvature of the back of each person, so that the comfort is poor, and the user experience is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a self-adaptation elasticity back of the chair, dynamic position of sitting that can the self-adaptation user provides better comfort.

The self-adaptive elastic chair back according to the embodiment of the utility model comprises a fixed frame and a chair back body; the back of the chair body includes back supporting part and a plurality of elastic connection portion, back supporting part with the mount is fixed connection, back supporting part is equipped with along the crisscross interval arrangement's of vertical direction a plurality of horizontal poles and a plurality of recess, adjacent two be equipped with the installation department between the horizontal pole, just the installation department is located the both sides of recess, the thickness of installation department is less than the thickness of horizontal pole, the elastic connection portion cladding in the outside of installation department, elastic connection portion keeps away from a side end face of mount with the terminal surface parallel and level of horizontal pole, elastic connection portion's elastic deformation coefficient is greater than back supporting part's elastic deformation coefficient.

According to the utility model discloses self-adaptation elasticity back of the chair has following beneficial effect at least: when the chair is used, the back of a user contacts the chair back body and applies acting force, the thickness of the mounting part is smaller than that of the cross rod, so that when the waist and back supporting part is elastically bent under stress, the joint of the mounting part and the cross rod can be bent naturally, the deformation of the waist and back supporting part in the vertical direction is more flexible, the waist and back supporting part can be always attached to the waist and the back of the user, and the dynamic sitting posture of the user can be self-adapted; in addition, the outside cladding at the installation department has elastic connection portion, and elastic connection portion can supply the thickness of installation department for the whole holding surface of back supporting part is clean and tidy, level and smooth, and user's back contact back supporting part should not have the sense of colliding with during, provides better comfort.

According to the utility model discloses a some embodiments, follow the length direction of back supporting part, the length of crossbeam is an, the length of installation department is b, satisfies: 0.5a or yarn-woven yarn was constructed as yarn-woven yarn (yarn-woven yarn) was constructed as 0.7a.

According to some embodiments of the utility model, the back supporting part has the radian along vertical direction, just the lower part of back supporting part protrusion forward is formed with a waist portion, top waist portion is used for supporting human lumbar vertebrae.

According to some embodiments of the invention, the lumbar-back support portion has a curvature in a horizontal direction.

According to some embodiments of the utility model, the top both sides of back supporting part are provided with the fixed part, the bottom both sides of back supporting part are provided with down the fixed part, go up the fixed part down the fixed part all through the bolt with mount fixed connection.

According to some embodiments of the utility model, the self-adaptation elasticity back of the chair is still including the headrest subassembly, the headrest subassembly is including mounting panel and headrest body, the mounting panel with mount fixed connection, the mounting panel with be formed with the mounting groove between the mount, the lower part of headrest body is equipped with the mounting bar, the one end cartridge of mounting bar in the mounting groove.

According to some embodiments of the utility model, the mounting bar is equipped with a plurality of draw-in grooves of arranging along vertical direction interval, the mounting panel is provided with the orientation the fixture block of draw-in groove, the pulling the headrest body, the fixture block can block into or break away from the draw-in groove.

According to the utility model discloses a some embodiments, the lower part of mounting bar is provided with the stopper, the mounting panel is equipped with the spacing groove, the stopper with the spacing groove cooperation, so that be used for the spacing of headrest body.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an adaptive elastic chair back according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another view angle;

fig. 3 is a schematic structural view of a waist and back support part in an embodiment of the present invention;

fig. 4 is a schematic structural view of a fixing frame and a headrest assembly in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a headrest assembly according to an embodiment of the present invention.

The reference numbers indicate:

a fixing frame 100;

the chair back comprises a chair back body 200, a waist-back supporting part 210, a cross bar 211, a groove 212, a mounting part 213, a top waist part 214, an upper fixing part 215, a lower fixing part 216 and an elastic connecting part 220;

the headrest comprises a headrest assembly 300, a mounting plate 310, a mounting groove 311, a fixture block 312, a limiting groove 313, a headrest body 320, a mounting bar 321, a clamping groove 322 and a limiting block 323.

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 accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, an embodiment of the present invention provides a self-adaptive elastic chair back, including a fixing frame 100 and a chair back body 200; back of the chair body 200 includes back supporting part 210 and a plurality of elastic connection portion 220, back supporting part 210 is fixed connection with mount 100, back supporting part 210 is equipped with along the crisscross interval arrangement's of vertical direction a plurality of horizontal poles 211 and a plurality of recess 212, be equipped with installation department 213 between two adjacent horizontal poles 211, and installation department 213 is located the both sides of recess 212, the thickness of installation department 213 is less than the thickness of horizontal pole 211, elastic connection portion 220 cladding is in the outside of installation department 213, elastic connection portion 220 keeps away from a side terminal surface of mount 100 and the terminal surface parallel and level of horizontal pole 211, elastic connection portion 220's elastic deformation coefficient is greater than back supporting part 210's elastic deformation coefficient.

It should be noted that, in conjunction with fig. 3, the thickness of the mounting portion 213 is smaller than that of the cross bar 211, so that the position of the mounting portion 213 is more easily elastically deformed when receiving a force. The chair back body 200 has elasticity in the vertical direction, and the larger the elastic deformation coefficient is, the better the bending deformation performance is.

Specifically, in the using process, the back of the user contacts the chair back body 200 and applies an acting force, the thickness of the mounting part 213 is smaller than that of the cross rod 211, so that when the waist and back supporting part 210 is elastically bent under stress, the joint of the mounting part 213 and the cross rod 211 can be naturally bent, and the deformation of the waist and back supporting part 210 in the vertical direction is more flexible, so that the waist and back supporting part can be always attached to the waist and the back of the user to adapt to the dynamic sitting posture of the user; in addition, the outside cladding at installation department 213 has elastic connection portion 220, and elastic connection portion 220 can supply the thickness of installation department 213 for the whole holding surface of back supporting part 210 is clean and tidy, level and smooth, and user's back contact back supporting part 210 time can not have the sense of colliding with, provides better comfort.

It should be noted that, by making the elastic deformation coefficient of the elastic connecting portion 220 larger than that of the lumbar-back supporting portion 210, the influence of the bending deformation of the mounting portion 213 by the elastic connecting portion 220 can be reduced, and the elastic connecting portion 220 can also serve to reinforce the structural strength, thereby more stably supporting the lumbar region and the back of the user.

It can be understood that, referring to fig. 2, along the length direction of the lumbar-back support 210, the length of the cross bar 211 is a, and the length of the mounting portion 213 is b, which satisfies: 0.5a or yarn-woven yarn was constructed as yarn-woven yarn (yarn-woven yarn) was constructed as 0.7a. It should be understood that the length of the mounting portion 213 is properly set to ensure the flexibility of the bending of the lumbar support portion 210 in the vertical direction while ensuring the strength of the overall structure of the chair back body 200.

It can be understood that the lumbar-back support portion 210 has an arc along the vertical direction, and the lower portion of the lumbar-back support portion 210 is formed with a top lumbar portion 214 protruding forward, and the top lumbar portion 214 is used for supporting the lumbar of the human body, so as to effectively support the lumbar of the user and relieve the pressure on the lumbar portion when the user sits for a long time.

It will be appreciated that, with reference to figures 1 and 3, the lumbar-back support 210 has a curvature in the horizontal direction that mimics the physiological curvature of the user's back in the horizontal direction to promote comfort. As will be readily appreciated by those skilled in the art, referring to fig. 1 and 2, the lumbar-back support 210 has a curvature in the vertical direction that mimics the longitudinal physiological curvature of the user's back, which can further promote comfort.

It can be understood that, referring to fig. 1 to 3, the upper fixing portions 215 are disposed on two sides of the top of the lumbar-back supporting portion 210, the lower fixing portions 216 are disposed on two sides of the bottom of the lumbar-back supporting portion 210, and both the upper fixing portions 215 and the lower fixing portions 216 are fixedly connected to the fixing frame 100 through bolts (not shown). It should be understood that the upper fixing portion 215 and the lower fixing portion 216 of the lumbar support portion 210 are mounted on the fixing frame 100 by bolts, which can facilitate the assembly and disassembly.

It can be understood that, referring to fig. 4, the adaptive elastic chair back further includes a headrest assembly 300, the headrest assembly 300 includes a mounting plate 310 and a headrest body 320, the mounting plate 310 is fixedly connected with the fixing frame 100, a mounting groove 311 is formed between the mounting plate 310 and the fixing frame 100, a mounting bar 321 is disposed at a lower portion of the headrest body 320, and one end of the mounting bar 321 is inserted into the mounting groove 311. It should be understood that the headrest body 320 is used for supporting the head of the user, and the headrest body 320 is mounted on the fixing frame 100 through the mounting bar 321, so that the structure is simple and the mounting and dismounting are convenient.

It can be understood that, referring to fig. 5, the mounting bar 321 is provided with a plurality of slots 322 spaced apart in the vertical direction, the mounting plate 310 is provided with a latch 312 facing the slots 322, and the latch 312 can be latched or disengaged from the slots 322 by pulling the headrest body 320. It should be noted that, during the use process, the user can pull the headrest body 320 according to the position of the head, correspondingly adjust the position of the headrest body 320, and the fastening of the fastening block 312 and the fastening groove 322 enables the headrest body 320 to be kept at the position, so as to better support the head of the user.

It can be understood that, referring to fig. 5, the lower portion of the mounting bar 321 is provided with a limiting block 323, the mounting plate 310 is provided with a limiting groove 313, and the limiting block 323 is matched with the limiting groove 313 to limit the position of the headrest body 320. It should be noted that, with reference to fig. 5, when the headrest body 320 is pulled upward, after the mounting bar 321 moves upward for a certain distance, the limiting block 323 abuts against the inner wall of the limiting groove 313, the limiting block 323 is blocked by the mounting plate 310, and the headrest body 320 cannot move upward, so that the mounting bar 321 can be prevented from being separated from the mounting plate 310 and falling to the ground.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art.

Claims

1. An adaptive elastic chair back, comprising:

a fixed mount;

the back of the chair body, including back supporting part and a plurality of elastic connection portion, the back supporting part with the mount is fixed connection, the back supporting part is equipped with along the crisscross interval arrangement's of vertical direction a plurality of horizontal poles and a plurality of recesses, adjacent two be equipped with the installation department between the horizontal pole, just the installation department is located the both sides of recess, the thickness of installation department is less than the thickness of horizontal pole, the elastic connection portion cladding in the outside of installation department, the elastic connection portion keep away from a side end face of mount with the terminal surface parallel and level of horizontal pole, elastic connection portion's elastic deformation coefficient is greater than the elastic deformation coefficient of back supporting part.

2. The adaptive elastic chair back according to claim 1, wherein along the length direction of the waist and back support part, the length of the cross bar is a, the length of the mounting part is b, and the following requirements are met: 0.5a or yarn-woven yarn was constructed as yarn-woven yarn (yarn-woven yarn) was constructed as 0.7a.

3. The adaptive elastic chair back according to claim 1, wherein the lumbar support portion has an arc in a vertical direction, and a lower portion of the lumbar support portion protrudes forward to form a lumbar support portion for supporting a lumbar vertebra of a human body.

4. The adaptive elastic chair back of claim 3, wherein the lumbar support portion has an arc in a horizontal direction.

5. The adaptive elastic chair back according to claim 1, wherein upper fixing portions are disposed on two sides of the top of the lumbar-back supporting portion, lower fixing portions are disposed on two sides of the bottom of the lumbar-back supporting portion, and the upper fixing portions and the lower fixing portions are fixedly connected with the fixing frame through bolts.

6. The adaptive elastic chair back according to claim 1, wherein the adaptive elastic chair back further comprises a headrest assembly, the headrest assembly comprises a mounting plate and a headrest body, the mounting plate is fixedly connected with the fixing frame, a mounting groove is formed between the mounting plate and the fixing frame, a mounting bar is arranged on the lower portion of the headrest body, and one end of the mounting bar is inserted into the mounting groove.

7. The adaptive elastic chair back according to claim 6, wherein the mounting bar is provided with a plurality of clamping grooves which are arranged at intervals along the vertical direction, the mounting plate is provided with clamping blocks which face the clamping grooves, and when the headrest body is pulled, the clamping blocks can be clamped into or separated from the clamping grooves.

8. The adaptive elastic chair back according to claim 7, wherein a limiting block is arranged at the lower part of the mounting strip, a limiting groove is arranged on the mounting plate, and the limiting block is matched with the limiting groove for limiting the headrest body.