CN212185860U

CN212185860U - Self-adaptive backrest and seat

Info

Publication number: CN212185860U
Application number: CN202020472889.4U
Authority: CN
Inventors: 朱正根
Original assignee: Foshan Sitzone Furniture Co ltd
Current assignee: Foshan Sitzone Furniture Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-22
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a self-adaptation back, include: the back frame is used for realizing integral support; the supporting component is used for leaning on the waist and comprises a support, a limiting part, a connector and an elastic cushion, wherein the support is connected to the middle of the back frame, the elastic cushion is provided with a avoiding hole, one end of the limiting part is fixedly connected to the support, the other end of the limiting part penetrates through the avoiding hole of the elastic cushion and the connector, and the elastic cushion is rotatably connected to the connector. In addition, the application also discloses a seat comprising the adaptive backrest. An object of the utility model is to provide an improve the flexibility ratio and promote self-adaptation back and seat of user's comfort level.

Description

Self-adaptive backrest and seat

Technical Field

The utility model relates to an office furniture field, in particular to self-adaptation back and seat.

Background

The flexibility ratio of seat back is not high on the market, still mainly realize through the back of the chair that fills the sponge to the support at user's back, constantly rely on or relax the back along with the user in daily work or life, the elasticity of sponge is inefficacy easily, thereby be difficult to all provide the support when long-term back angle for the difference to the user's position of sitting, use current back or be equipped with the seat of this back, be difficult to satisfy the demand of the different positions of sitting of user, the comfort level reduces and breeds the vertebra problem easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide an improve the flexibility ratio and promote self-adaptation back and seat of user's comfort level.

The utility model discloses a realize through following technical scheme:

according to an embodiment of the first aspect of the present invention, an adaptive backrest comprises: the back frame is used for realizing integral support; the supporting component is used for leaning on the waist and comprises a support, a limiting part, a connector and an elastic cushion, wherein the support is connected to the middle of the back frame, the elastic cushion is provided with a avoiding hole, one end of the limiting part is fixedly connected to the support, the other end of the limiting part penetrates through the avoiding hole of the elastic cushion and the connector, and the elastic cushion is rotatably connected to the connector.

According to some embodiments of the utility model, the connector is the quadrant, the surface of revolution orientation of quadrant the support, just the axis level of quadrant, the cushion is opened and is equipped with and cup joints fan-shaped swivelling chute outside the quadrant, keep away the hole and set up the bottom of fan-shaped swivelling chute.

According to some embodiments of the utility model, the locating part is the bolt, threaded hole is seted up to the support, the locating part by the connector gets into dodge the hole and connect soon in threaded hole.

According to some embodiments of the utility model, back of the body frame includes the slide, the slide with the support is provided with guide rail and the spout that is used for sliding connection from top to bottom each other respectively, just the slide is in the orientation a plurality of vertical concave positions of arranging are seted up to one side of support, the support epirelief be equipped with be used for with the elastomer of concave position block.

According to some embodiments of the utility model, still include the back rest frame, back rest frame upside and downside all with back frame fixed connection, the middle part of back rest frame with the holding is left at the middle part of back frame the space of supporting component activity.

According to the utility model discloses a last embodiment, it is further, the middle part of backrest frame is provided with the elasticity bending strip, a plurality of recesses of vertical arrangement on the elasticity bending strip, adjacent two the recess moves towards respectively the cushion sets up and dorsad the cushion sets up.

According to some embodiments of the invention, the avoidance hole is a long circular hole or an elliptical hole.

According to the utility model discloses a some embodiments, the quantity of cushion is two, the support dorsad one side of back of the body frame has set gradually first mount pad, elasticity bending section and second mount pad from a left side to the right side, first mount pad with the second mount pad is used for assembling two the cushion, the elasticity bending section includes a plurality of horizontally arranged's slot.

According to the utility model relates to an embodiment of self-adaptation back has following beneficial effect at least: back frame provides the support to user's back, and along with the user uses different position of sitting, user's waist also shows for different radians, and the cushion can be according to the relative connector rotatory corresponding angle of radian of waist by oneself to use laminating user's waist curve, thereby the back can self-adaptation user's different position of sitting and provide the outrigger to user's back, has the advantage that improves back flexibility and promotion user comfort level.

According to an embodiment of the second aspect of the present invention, a seat, characterized in that: the self-adaptive chair comprises a chair seat, armrests, support legs and the self-adaptive backrest, wherein the support legs and the armrests are respectively arranged at the bottom and the left side and the right side of the chair seat.

According to the above embodiment of the present invention, further, the adaptive backrest is L-shaped as a whole.

According to the utility model relates to a seat's embodiment has following beneficial effect at least: the seat can adapt to different back curves of a user in different sitting postures, continuously provides stable support in different sitting postures of the user, and has the advantages of improving the flexibility of the backrest and improving the comfort of the user.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is an overall schematic view of an embodiment of an adaptive backrest of the present invention;

FIG. 2 is an exploded view of the overall structure of FIG. 1 in the direction of the dashed line;

FIG. 3 is an exploded view of the support assembly and carriage assembly of an embodiment of the adaptive backrest of the present invention;

fig. 4 is a schematic cross-sectional view of a support assembly in an embodiment of the adaptive backrest of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, within, 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. The orientation description described in the specification is that when a user sits on the seat described in the present invention, the left and right sides are referred to, that is, the left side when the user sits down, the description "upper side" and "lower side" referred to in the backrest are respectively level with the height of the neck and buttocks when the user sits down, and the "middle part" referred to is close to the position of the waist when the user sits down.

According to an embodiment of the present invention, an adaptive backrest, as shown in fig. 1 to 4, includes at least: a back frame 100 for overall support, generally made of a material having a small elasticity; the support assembly is used for leaning against the waist, and comprises a support 210, a limiting member 220, a connector 230 and an elastic cushion 240, wherein the support 210 is connected to the middle part of the back frame 100, the elastic cushion 240 is made of an elastic material, and the elastic cushion 240 is made into a shape fitting the waist of a user in shape, namely preferably, the position of the elastic cushion 240 close to the spine of the user is more convex towards one side of the back frame 100 than the position of the elastic cushion 240 close to the kidney parts on two sides of the user, the elastic cushion 240 is provided with an avoiding hole 241, one end of the limiting member 220 is fixedly connected to the support 210, the other end of the limiting member 220 penetrates through the avoiding hole 241 of the elastic cushion 240 and is fixedly connected with the connector 230, the elastic cushion 240 is rotatably connected to the connector 230, and the elastic cushion 240 and the connector 230 can be connected in.

The application the utility model discloses the self-adaptation back that technical scheme made, back of the body frame 100 provides the support to user's back, along with the user uses different position of sitting, user's vertebra and waist also show the radian of difference, the muscle of user's waist that accompanies also carries out the application of force of equidirectional not to the supporting component, because the relative connector 230 swivelling joint of cushion 240, and connector 230 is fixed to be set up, thereby cushion 240 can rotate according to user's application of force and automatic relative connector 230, thereby laminating user's waist curve, consequently, the back can self-adaptation user's different position of sitting and provide the stable support to user's back, have the advantage that improves back flexibility and promotion user comfort, compare the single elasticity realization that relies on the filler of prior art, add mechanical mechanism, the durability of life and back has been prolonged.

In some embodiments of the present invention, the connector 230 is a sector, the sector is a rectangular surface and rotates along a side as an axis to any angle to obtain a shape, the side opposite to the axis is a rotating surface through the rotation of the side, and the sector is substantially the shape obtained by cutting the cylinder along two half diameters. As shown in fig. 3 and 4, the rotation surface of the sector faces the support 210, the axis of the sector is horizontal, the elastic pad 240 is provided with a sector-shaped rotation groove 242 sleeved outside the sector, and the avoidance hole 241 is provided at the bottom of the sector-shaped rotation groove 242, so that the elastic pad 240 can rotate up and down relative to the connector 230, the angle of the rotation surface of the sector directly affects the angle at which the elastic pad 240 can rotate up and down relative to the connector 230, as shown in fig. 3 and 4, the connector 230 is a sector obtained by rotating a rectangle 180 degrees relative to the axis, which is also called a semi-cylinder, and the sector-shaped rotation groove 242 is also a groove body with a semi-cylinder cavity.

In some embodiments of the present invention, as shown in fig. 1 and fig. 4, the limiting member 220 is a bolt, the support 210 is provided with a threaded hole, the limiting member 220 is inserted into the avoiding hole 241 by the connector 230 and screwed into the threaded hole, so as to be used for disassembling the connection between the connector 230 and the support 210, and simultaneously, the elastic pad 240 is also conveniently replaced to prolong the service life. Of course, in other embodiments of the present invention, the two ends of the limiting member 220 may also be bonded or welded to the support 210 and the connecting member 230.

In some embodiments of the utility model, as shown in fig. 2 and 3, back frame 100 includes slide 110, slide 110 and support 210 are provided with respectively and are used for sliding connection's guide rail 111 and spout 211 from top to bottom each other, and slide 110 sets up a plurality of vertical concave positions 112 of arranging in one side towards support 210, support 210 epirelief is equipped with the elastomer 212 that is used for with concave position 112 block, thereby the user that can adapt to different heights that leans against that this embodiment obtained, adjust the lumbar support position that obtains suitable according to user's demand by oneself, the flexibility is bigger, also can accord with the requirement of the user of different position of sitting custom.

In some embodiments of the utility model, still including leaning on frame 300, as shown in fig. 1 and 2, leaning on frame 300 upside and downside all with back of the body frame 100 fixed connection, the space that holding supporting component activity was left with the middle part of frame 100 back of the body in the middle part of frame 300, compare technical scheme and directly contact and provide the holding power through frame 100 back of the body with the user, for promoting user's use impression in this embodiment, increased leaning on frame 300. It is further preferable that the backrest frame 300 is covered with an elastic mesh fabric toward the user side, so that the back of the user does not directly contact with the elastic pad 240, and the user presses the elastic mesh fabric and then drives the elastic pad 240 to rotate when changing the sitting posture.

The utility model discloses a under the future of last embodiment, it is further, as shown in fig. 1 and 2, the middle part that leans against frame 300 is provided with elasticity bending strip 310, a plurality of recesses 311 of vertical arrangement on the elasticity bending strip 310, two adjacent recesses 311 set up and set up with resilient pad 240 dorsad towards resilient pad 240 respectively, elasticity bending strip 310 corresponds with user's vertebra position, when the user sits down and changes the position of sitting, elasticity bending strip 310 can take place corresponding crooked phase transition laminating user's vertebra curve, provide stabilizing support to the user.

In some embodiments of the present invention, the avoiding hole 241 is a long circular hole or an elliptical hole, so that the elastic pad 240 can rotate relative to the connector 230, and if the width of the avoiding hole 241 is consistent with the radial dimension of the position limiting part 220, the avoiding hole 241 also has an effect of guiding the elastic pad 240 to rotate relative to the connector 230.

In some embodiments of the present invention, the number of the elastic cushions 240 is two, as shown in fig. 1 to 3, which are the left elastic cushion 240 and the right elastic cushion 240, the first mounting seat, the elastic bending section 213 and the second mounting seat are sequentially arranged from left to right on one side of the back frame 100 of the support 210, the first mounting seat and the second mounting seat are used for assembling the left elastic cushion 240 and the right elastic cushion 240 respectively, the elastic bending section 213 includes a plurality of horizontally arranged grooves, the left elastic cushion 240 and the right elastic cushion 240 are used for supporting the two side waists or the two side kidneys of the user, the plurality of grooves are used for supporting the back area between the two side waists of the user when the user is different, and the left elastic cushion 240, the right elastic cushion 240 and the elastic bending section 213 are all adaptable to the waist curve of the user in different sitting postures.

The embodiment of the second aspect of the utility model provides a seat, including seat support, handrail, stabilizer blade and the utility model discloses the self-adaptation back of first aspect embodiment description, stabilizer blade and handrail set up respectively in the bottom and the left and right sides of seat support, the utility model discloses the stabilizer blade and the handrail of seat adopt the part on the prior art market, no longer show in the description drawing, and the technical staff in the field can choose for use as required according to self.

According to the utility model discloses a seat, it is further, the whole L type that is of self-adaptation back, self-adaptation back lower part are used for being connected with the seat support downside to avoid the connection structure of back and seat support to expose, be difficult to lead to the connection structure of the back of the chair and the self-adaptation back of the chair to become invalid.

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 of those skilled in the art.

Claims

1. An adaptive backrest, comprising:

a back frame; and

the supporting component is used for leaning on the waist and comprises a support, a limiting part, a connector and an elastic cushion, wherein the support is connected to the middle of the back frame, an avoiding hole is formed in the elastic cushion, one end of the limiting part is fixedly connected to the support, the other end of the limiting part penetrates through the elastic cushion, the avoiding hole is formed in the elastic cushion, the connector is fixedly connected to the elastic cushion, and the elastic cushion is rotatably connected to the connector.

2. The adaptive backrest according to claim 1, wherein: the connector is the quadrant, the rotatory face orientation of quadrant the support, just the axis level of quadrant, the cushion is opened and is equipped with and cup joints fan-shaped swivelling chute outside the quadrant, it sets up to dodge the hole the bottom of fan-shaped swivelling chute.

3. The adaptive backrest according to claim 1, wherein: the locating part is a bolt, the support is provided with a threaded hole, and the locating part enters the avoidance hole from the connector and is screwed in the threaded hole.

4. The adaptive backrest according to claim 1, wherein: the back frame comprises a sliding seat, the sliding seat and the support are respectively provided with a guide rail and a sliding groove which are connected in a sliding mode from top to bottom, the sliding seat faces towards one side of the support and is provided with a plurality of vertically arranged concave positions, and the support is convexly provided with an elastic body which is used for being clamped with the concave positions.

5. The adaptive backrest according to claim 1, wherein: still including the frame of leaning on back, the upside and the downside of frame of leaning on back all with back of the body frame fixed connection, the middle part of frame of leaning on back with the holding is left at the middle part of back of the body frame the space of supporting component activity.

6. The adaptive backrest according to claim 5, wherein: the middle part of the backrest frame is provided with an elastic bending strip, a plurality of grooves are vertically arranged on the elastic bending strip, and the adjacent two grooves respectively face the elastic cushion and are back to the elastic cushion.

7. The adaptive backrest according to claim 1, wherein: the avoidance hole is a long round hole or an elliptical hole.

8. The adaptive backrest according to claim 1, wherein: the quantity of cushion is two, the support dorsad one side of back of the body frame has set gradually first mount pad, elasticity bending section and second mount pad from a left side to the right side, first mount pad with the second mount pad is used for assembling two the cushion, the elasticity bending section includes a plurality of horizontally arranged's slot.

9. A seat, characterized by: comprising a seat, armrests, support legs and the adaptive backrest of any one of claims 1-8, wherein the support legs and the armrests are respectively arranged at the bottom and the left and right sides of the seat.

10. The seat according to claim 9, wherein: the whole self-adaptive backrest is L-shaped.