CN216875691U

CN216875691U - Chair back and chair adopting same

Info

Publication number: CN216875691U
Application number: CN202220146270.3U
Authority: CN
Inventors: 朱正根; 陈卡
Original assignee: Foshan Sitzone Furniture Co ltd
Current assignee: Guangdong Jingyi Furniture Co.,Ltd.
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-07-05
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a chair back and a chair adopting the same, and relates to the technical field of seats. Wherein, the back of the chair includes: a rear cover; the backrest is fixedly connected with the rear cover, and a cavity is formed between the backrest and the rear cover; the waist pillow is arranged in the cavity, and at least part of the waist pillow is in butt fit with the backrest so as to enable the backrest to be elastically deformed. The backrest has elasticity, and the backrest can be extruded towards the direction close to the rear cover after the back of a user is contacted with the backrest, so that the backrest can be well attached to the back of the user under elastic deformation; the waist pillow sets up the cavity that forms between back cover and the back, and waist pillow and back butt cooperation make waist pillow can be inseparabler with user's waist laminating, play the bearing effect to the waist, can improve user's comfort level, alleviate fatigue.

Description

Chair back and chair adopting same

Technical Field

The utility model relates to the field of chairs, in particular to a chair back and a chair adopting the chair back.

Background

The chair is used as a common tool for people in work and life, and brings great convenience to daily life of people. The daily live time of chair is longer, and ordinary chair seat back waist can feel tired after a long time, along with the user to healthy more and more high, to the comfort level requirement of chair more and more high. In the prior art, some chair backrests are made of cloth and have certain elasticity so as to be attached to the back of a human body and improve the comfort level. However, the backrest of the chair cannot be well attached to the back of a human body, and the comfort level is not sufficient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the chair back and the chair adopting the chair back can be well attached to the back of a human body, and the user experience is improved.

A chair back according to an embodiment of the first aspect of the utility model, comprising:

a rear cover;

the backrest is fixedly connected with the rear cover, and a cavity is formed between the backrest and the rear cover;

the waist pillow, set up in the cavity, at least part the waist pillow with the cooperation of back butt, so that the back can elastic deformation.

The chair back provided by the embodiment of the utility model at least has the following beneficial effects:

the backrest has elasticity, and the backrest can be extruded towards the direction close to the rear cover after the back of a user is contacted with the backrest, so that the backrest can better fit the back of the user under the elastic deformation; the waist pillow sets up the cavity that forms between back cover and the back, and waist pillow and back butt cooperation make waist pillow can be inseparabler with user's waist laminating, play the bearing effect to the waist, can improve user's comfort level, alleviate fatigue.

According to some embodiments of the utility model, the chair back further comprises a connecting mechanism, and the lumbar pillow is slidably connected with the back cover through the connecting mechanism so as to adjust the position of the lumbar pillow.

According to some embodiments of the present invention, the connecting mechanism includes a connecting member, a limiting member and an adjusting member, two ends of the limiting member are respectively connected to the connecting member and the adjusting member, the connecting member is disposed in the cavity and connected to the lumbar pillow, the adjusting member is located on a side of the rear cover away from the backrest, the rear cover is provided with a limiting groove, the limiting member is disposed through the limiting groove, and the adjusting member is used for adjusting a position of the lumbar pillow.

According to some embodiments of the utility model, the back cover comprises a guide member, the guide member comprises a plurality of positioning portions, the positioning portions are arranged at intervals along the vertical direction, the connecting member is provided with an abutting portion matched with the positioning portions, and the abutting portion is sequentially matched with the positioning portions to adjust the position of the waist pillow.

According to some embodiments of the utility model, the number of the guide members is two, the two guide members are respectively arranged at the left side and the right side of the limiting groove, and the abutting portion is two and is respectively correspondingly matched with the two guide members.

According to some embodiments of the utility model, the waist pillow is made of an elastic soft rubber material.

According to some embodiments of the utility model, the lumbar pillow is tubular or U-shaped.

According to some embodiments of the utility model, the peripheral wall of the lumbar pillow is recessed inwards to form a plurality of grooves which are arranged at intervals.

According to some embodiments of the utility model, the backrest comprises a mesh part and a mounting part, the mounting part is arranged around the outer periphery of the mesh part, and the mounting part is fixedly connected with the rear cover.

A seat according to an embodiment of the second aspect of the present invention includes the seat back of any one of the first aspects.

The seat provided by the embodiment of the utility model has at least the following beneficial effects:

the backrest has elasticity, and the backrest can be extruded towards the direction close to the rear cover after the back of a user is contacted with the backrest, so that the backrest can be well attached to the back of the user under elastic deformation; the waist pillow sets up the cavity that forms between back cover and the back, and waist pillow and back butt cooperation make waist pillow can be inseparabler with user's waist laminating, play the bearing effect to the waist, can improve user's comfort level, alleviate fatigue.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The utility model is further described with reference to the following figures and examples, in which:

FIG. 1 is a schematic view of a chair back according to one embodiment of the present invention;

FIG. 2 is a schematic view of another perspective of a chair back according to one embodiment of the present invention;

FIG. 3 is an exploded view of a chair back according to one embodiment of the present invention;

FIG. 4 is an exploded view of another perspective of the chair back in accordance with one embodiment of the present invention;

FIG. 5 is a schematic view of a back cover of a chair back according to one embodiment of the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 5;

FIG. 7 is a schematic illustration of a lumbar pillow according to an embodiment of the present invention;

FIG. 8 is a schematic view of a connecting member and an adjusting member according to one embodiment of the present invention.

Reference numerals:

a chair back 1000;

the rear cover 100, the bracket 110, the cover plate 120, the limiting groove 121, the wave-shaped teeth 130, the positioning part 131 and the transition part 132;

a backrest 200, a mesh portion 210, and a mounting portion 220;

the waist pillow comprises a waist pillow 300, a mounting hole 301, a groove 302, a connecting piece 310, an abutting part 311, a first limiting piece 312, an adjusting piece 320 and a second limiting piece 321.

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 or similar 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 illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings only for the convenience of description of the present invention and simplification of the 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, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, a chair back 1000 according to an embodiment of the present invention is shown. It will be appreciated that the chair back 1000 may be used in a chair to give the user back support. The backrest 200 of the chair back 1000 of the embodiment has elasticity, and can adapt to the back curve of a user under elastic deformation, so that the back has wrapping feeling and comfort, and the use experience of the user can be improved.

Referring to fig. 1, 2 and 3, the chair back 1000 includes a back cover 100, a backrest 200 and a lumbar pillow 300. In some embodiments, the rear cover 100 is recessed to one side to form a curved structure. The backrest 200 is made of an elastic material, the backrest 200 is connected with one side departing from the concave direction of the rear cover 100, and a cavity can be formed between the backrest 200 and the rear cover 100, so that the backrest 200 can move towards the direction close to the rear cover 100 when a user applies an acting force, and when the acting force disappears, the backrest 200 can reset under the action of the elastic force. The back cover 100 mainly plays a role of supporting and connecting the backrest 200, and the backrest 200 plays a role of supporting the back of the user, so that the back curve of the user can be adapted to the elastic deformation, and the use experience of the user is improved. It should be noted that the rear cover 100 may be recessed to one side to form a square structure, such as a rectangular parallelepiped, and the present invention is not limited in particular.

Referring to fig. 3, in some embodiments, the lumbar pillow 300 is disposed inside the chair back 1000 in the cavity formed between the back cover 100 and the chair back 1000. The lumbar pillow 300 may be connected to the backrest 200 and also to the rear cover 100 to limit the position of the lumbar pillow 300 in the cavity. Wherein, the waist pillow 300 is matched with the backrest 200 in an abutting way, so that the backrest 200 can be elastically deformed to form a curved surface adapted to the back of the user. The waist pillow 300 is used for supporting the waist of a user, and the waist pillow 300 is matched with the backrest 200 so that the backrest 200 can better fit with the back curve of the user, the fatigue of the user can be relieved, and the spine of the user can be protected.

In some embodiments, the lumbar pillow 300 is slidably connected to the rear cover 100 through a connection mechanism, and the position of the lumbar pillow 300 is adjusted to meet the needs of different users, thereby improving the versatility of the chair back 1000. The connecting mechanism can comprise a roller, and the roller is matched with the sliding groove; or the connecting mechanism comprises a gear, and the gear is matched with the rack; the attachment mechanism may also include other structures, as will be illustrated.

Referring to fig. 3 and 4, the connection mechanism includes a stopper, an adjusting member 320, and a connecting member 310. The connecting member 310 is disposed between the cavity formed by the backrest 200 and the rear cover 100, and one end of the connecting member 310 is connected with the lumbar pillow 300; the adjusting part 320 is arranged on one side of the rear cover 100 departing from the cavity, the rear cover 100 is provided with a limiting groove 121, the limiting part penetrates through the limiting groove 121, and two ends of the limiting part are respectively connected with the adjusting part 320 and the connecting part 310. It can be understood that the connecting member 310 functions as a connecting member for the lumbar pillow 300, and the limiting groove 121 is used for limiting the displacement of the limiting member, so that the lumbar pillow 300 can move within the length range of the limiting groove 121; the user can adjust the position of waist pillow 300 to suitable own position through the position of manual regulation regulating part 320, with waist pillow 300, improves and uses experience. In some embodiments, referring to the waist pillow shown in fig. 7, a side of the waist pillow away from the connecting piece is provided with a mounting hole 301, and the mounting hole 301 is used for facilitating the connection of the connecting piece with the waist pillow. In other embodiments, the waist pillow may be further configured into a U shape, which may also facilitate connection of the waist pillow with the connecting member.

It should be noted that, referring to fig. 8, the limiting element may be a first limiting element 312 integrally formed with the connecting element 310, and the connecting element 310 is connected to the adjusting element 320 through the first limiting element 312; or may be a second limiting member 321 integrally formed with the adjusting member 320, and the adjusting member 320 is connected to the connecting member 310 through the second limiting member 321; or, both the first limiting member 312 and the second limiting member 321 may be provided, and the first limiting member 312 is connected to the second limiting member 321; the limiting member may also be a separate part. The present invention is not particularly limited herein, and a suitable scheme is selected according to the actual situation.

Referring to fig. 5 and 6, in some embodiments, the rear cover 100 is provided with a guide in a vertical direction, the guide including a plurality of positioning parts 131, the plurality of positioning parts 131 being provided at intervals. The connecting member 310 is provided with an abutting portion 311, and the shape of the abutting portion 311 matches the shape of the positioning portion 131 and can abut against the positioning portion 131 to regulate the position of the lumbar pillow 300. When the position of the lumbar pillow 300 needs to be adjusted, the abutting portion 311 can be sequentially engaged with the plurality of positioning portions 131 to adjust the position of the lumbar pillow 300.

In some embodiments, the guiding member is a wave-shaped tooth 130, the wave-shaped tooth 130 includes a plurality of positioning portions 131 and transition portions 132, the plurality of positioning portions 131 are disposed at intervals, and the plurality of transition portions 132 are disposed between adjacent transition portions 132, respectively. In some embodiments, the positioning portion 131 is recessed inward and the transition portion 132 is raised outward to make the surface variation of the wave-shaped teeth 130 wavy. In other embodiments, the positioning portion 131 protrudes outward and the transition portion 132 is recessed inward. The connecting member 310 is provided with an elastically deformable abutting portion 311, and the shape of the abutting portion 311 matches the shape of the positioning portion 131 and can abut against the positioning portion 131 to regulate the position of the lumbar pillow 300. When the position of the waist pillow 300 needs to be adjusted, the abutting portion 311 is elastically deformed when passing through the transition portion 132, so that the abutting portion 311 can slide from one positioning portion 131 to the next positioning portion 131. The abutting portion 311 can return to abut against the wall surface of the positioning portion 131 by elastic deformation after reaching the next positioning portion 131. It should be noted that the "elastically deformable abutting portion 311" may be an abutting portion 311 made of an elastic material so as to be elastically deformable; the abutting portion 311 may be elastically deformed with respect to the connector 310 by the connecting structure of the abutting portion 311 and the connector 310; a spring may be provided between the abutting portion 311 and the connection member 310 so that the abutting portion 311 can be elastically connected to the connection member 310.

Referring to fig. 6, in some embodiments, there are two rows of guides, one on each side of the retaining groove 121; the abutment portions 311 are also provided in two and correspond to the positions of the two rows of guides. It is understood that the two rows of the guides can make the position adjustment of the lumbar pillow 300 more stable. It should be noted that the positioning portion 131 and the transition portion 132 of the guide may also be in the form of a trapezoidal transformation, for example, the surface of the guide is in the form of a trapezoidal transformation.

In some implementations, the lumbar pillow 300 is made of an elastic soft gel material. It can be appreciated that the elastic soft rubber material has good thermoplasticity and can be conveniently made into a desired shape. The elastic soft rubber material can be TPU (thermoplastic polyurethane elastomer rubber), TPR (thermoplastic rubber material), TPE (thermoplastic elastomer) and the like. Taking TPU as an example, TPU has the characteristics of excellent high tension, high tensile force, toughness and aging resistance, and is a mature environment-friendly material. At present, TPU is widely used in medical care and health, electronic and electric appliances, industry, sports and the like, has the incomparable characteristics of high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and the like of other plastic materials, and simultaneously has a plurality of excellent functions of high waterproofness, moisture permeability, wind resistance, cold resistance, bacteria resistance, mildew resistance, warm keeping, ultraviolet resistance, energy release and the like. Consequently, waist pillow 300 adopts elasticity flexible glue material can improve the compliance of waist pillow 300, improves its elasticity to make waist pillow 300 can be better adapt to user's waist, play the bearing effect to the waist, improve user experience. It should be noted that the backrest 200 may also be made of the above-mentioned materials.

Referring to fig. 7, in some implementations, the lumbar pillow 300 is tubular or U-shaped. It can be understood that, when the waist pillow 300 is elastically deformed under the back of the user, the waist pillow 300 is tubular or U-shaped, so that the waist pillow 300 has enough space to elastically deform, and can better adapt to the waist of the user, thereby supporting the waist of the user.

With continued reference to fig. 7, in some embodiments, the peripheral wall of the lumbar pillow 300 is recessed inwardly to form a plurality of grooves 302, and the grooves 302 are spaced apart from each other. It can be understood that the groove 302 is used to increase the amount of elastic deformation of the lumbar pillow 300, which can improve the user experience. In other embodiments, when the lumbar pillow 300 has a tubular shape, the groove 302 is provided at the outer peripheral wall of the lumbar pillow 300.

Referring to fig. 1, in some embodiments, the backrest 200 includes a mesh portion 210 and a mounting portion 220, the mounting portion 220 is disposed around the mesh portion 210 and connected to the mesh portion 210, and the mounting portion 220 is further connected to the rear cover 100. It will be appreciated that the mesh portion 210 facilitates ventilation and heat dissipation, reducing perspiration for the user; the mounting portion 220 can facilitate the connection of the backrest 200 with the rear cover 100, and the mounting portion 220 is disposed around the outer circumferential edge of the mesh portion 210 to improve the stability of the connection.

Referring to fig. 2 and 4, in some implementations, the rear cover 100 includes a cover plate 120 and a bracket 110, and the bracket 110 is fixedly connected to the cover plate 120 to improve the overall strength of the rear cover 100 and reduce deformation of the rear cover 100. In other embodiments, the cover plate 120 is recessed toward a side near the backrest 200 to form a mounting groove, and the shape of the mounting groove matches with the novel shape of the bracket 110, so that the bracket 110 can be disposed in the mounting groove and fixedly connected to the bottom of the mounting groove. The overall strength of the rear cover 100 can be further improved, the deformation of the rear cover 100 can be reduced, and the rear cover 100 can be more aesthetically pleasing.

The utility model further provides a seat with the chair back 1000 mentioned in any one of the above embodiments, so that the seat at least has the beneficial effects mentioned in the corresponding embodiments, and further description is omitted.

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 within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A chair back, comprising:

a rear cover;

the waist pillow is arranged in the cavity, and at least part of the waist pillow is matched with the backrest in an abutting mode, so that the backrest can be elastically deformed.

2. The chair back of claim 1, wherein the chair back further comprises a connection mechanism, and the lumbar pillow is slidably connected with the back cover through the connection mechanism to adjust the position of the lumbar pillow.

3. The chair back of claim 2, wherein the connecting mechanism comprises a connecting member, a limiting member and an adjusting member, two ends of the limiting member are respectively connected with the connecting member and the adjusting member, the connecting member is disposed in the cavity and connected with the waist pillow, the adjusting member is disposed on one side of the back cover departing from the chair back, the back cover is provided with a limiting groove, the limiting member is disposed in the limiting groove in a penetrating manner, and the adjusting member is used for adjusting the position of the waist pillow.

4. The chair back of claim 3, wherein the back cover comprises a guide member, the guide member comprises a plurality of positioning portions, the positioning portions are arranged at intervals in the vertical direction, the connecting member is provided with an abutting portion matched with the positioning portions, and the abutting portion is sequentially matched with the positioning portions to adjust the position of the lumbar pillow.

5. The chair back of claim 4, wherein the number of the guide members is two, the two guide members are respectively disposed at the left and right sides of the limiting groove, and the number of the abutting portions is two and is respectively matched with the two guide members.

6. The chair back of claim 1, wherein the waist pillow is made of an elastic soft rubber material.

7. The chair back of claim 6, wherein the lumbar pillow is tubular or U-shaped.

8. The chair back of claim 6 or 7, wherein the outer peripheral wall of the lumbar pillow is recessed inwards to form a plurality of grooves which are arranged at intervals.

9. The chair back of claim 1, wherein the chair back comprises a mesh portion and an installation portion, the installation portion is arranged around the outer periphery of the mesh portion, and the installation portion is fixedly connected with the rear cover.

10. A chair comprising a chair back as claimed in any one of claims 1 to 9.