CN214631125U

CN214631125U - Chair capable of effectively supporting legs

Info

Publication number: CN214631125U
Application number: CN202120079231.1U
Authority: CN
Inventors: 汪军; 程军
Original assignee: UE Furniture Co Ltd
Current assignee: UE Furniture Co Ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-11-09
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses a chair for effectively supporting legs, which comprises a seat component, wherein the seat component comprises a seat supporting piece and a leg supporting piece, and the seat supporting piece and the leg supporting piece are arranged in an up-and-down stacked manner; the seat support is configured to support a person in a sitting position, i.e. a conventional chair seat, and the leg support is movably arranged on the seat support, and the leg support is an accessory added to the chair seat, and is configured to support legs of the person so that thighs of the person can rest on the leg support comfortably; the leg support slides forward relative to the support, extending the body length of the seat assembly; the leg support member slides backwards relative to the seat support member, shortening the overall length of the seat assembly; compare prior art, the whole length of seat subassembly can be prolonged or shorten in the sliding of shank support piece front end to make seat support piece and shank support piece can effectively and bear human shank more extensively, promoted the travelling comfort, also adapted to the crowd of different heights simultaneously.

Description

Chair capable of effectively supporting legs

Technical Field

The utility model relates to the field of furniture, in particular to effective bearing shank's seat.

Background

The seat of most of the existing chairs in the market is fixed, the applicability of the chairs is poor for people with different heights, the seat depth of the chair is fixed due to the seat which cannot be adjusted in length, people with a certain height range can only feel comfortable due to the seat depth, the short people feel that the front end of the seat can not support legs or the waist and the back well, the legs of the tall people can not be effectively supported, and the people can feel tired easily when sitting; when a user lies backwards on the chair for rest, the too short seat plate can not support thighs, so that the comfort is reduced; the fixed seat thus has certain drawbacks in terms of comfort.

CN 203860821U's chinese utility model patent provides an adjustment mechanism of seat cushion leading edge position, including the flexible support adjusting part, this support adjusting part's one end is the stiff end, and this stiff end is fixed on the chassis of seat, and the other end is the expansion end, and this expansion end extends forward and crooked back after backward extension is connected with the chassis, is connected through front and back slide mechanism between this expansion end and the chassis. The adjusting mechanism of the utility model has relatively complex structure and more spare and accessory parts, so the assembly is not easy and the consumed time is long; the bendable supporting and adjusting assembly has poor supporting force.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a chair for effectively supporting legs.

The technical scheme of the utility model is realized like this:

a chair for actively supporting a leg, comprising:

the seat component comprises a seat support part and a leg support part, and the seat support part and the leg support part are vertically stacked;

a seat support configured to support a human body to sit;

a leg support movably disposed on the seat support, the leg support configured to support a human leg;

the leg support member slides forward relative to the seat support member, extending the overall length of the seat assembly; the leg support slides rearward relative to the seat support, shortening the overall length of the seat assembly.

When the front end of the seat support exceeds the front end of the leg support, the whole length of the seat component is the length of the seat support; when the front end of the leg support exceeds the front end of the seat support, the overall length of the seat assembly is the length from the rear end of the seat support to the front end of the leg support; the sliding of the front end of the leg support piece can prolong or shorten the whole length of the seat component, so that the seat support piece and the leg support piece can effectively support the legs of the human body in a wider range, and the chair is suitable for people with different heights.

Preferably, said leg support is disposed above the front of the seat support; when the leg supporting part slides forwards relative to the seat supporting part, the leg supporting part is always staggered with the seat supporting part. Namely, the leg supporting part can not leave the seat supporting part due to the overlong forward movement, and the leg supporting part is always staggered with the seat supporting part, so that the supporting force of the leg supporting part is stronger.

Preferably, said leg support is disposed below the front of the seat support.

Preferably, when the leg support slides forwards relative to the seat support until the overall length of the seat assembly is the longest, the front end of the leg support protrudes out of the front end of the seat support; when the leg support member slides backwards relative to the seat support member until the overall length of the seat assembly is shortest, the front end of the leg support member is aligned with the front end of the seat support member or the front end of the leg support member retracts relative to the front end of the seat support member.

Preferably, when the leg support member slides backwards relative to the seat support member until the overall length of the seat assembly is shortest, the front end of the leg support member exceeds the front end of the seat support member; when the leg support is slid forward relative to the seat support to the maximum length of the seat assembly, the portion of the leg support beyond the front end of the seat support is lengthened.

Preferably, the leg support member and the seat support member are each a rigid plate. The hard plate-shaped body has strong supporting force and long service life, does not need a complex structure for supporting, simplifies the whole structure, reduces the cost and simultaneously improves the production and assembly efficiency.

Preferably, the sliding device further comprises a sliding component arranged between the leg support and the seat support, and the sliding component is configured to enable the leg support and the seat support to slide relatively.

Preferably, the sliding assembly comprises a guide part and a stabilizing part; one of the leg support piece and the seat support piece is provided with a guide groove for accommodating a guide piece, and the guide piece is in front-back sliding fit with the guide groove; the guide member is fixedly disposed on the other of the leg support member and the seat support member; the stabilizer is configured to prevent the guide from being disengaged from the guide groove. The sliding assembly is simple in structure, easy to assemble, easy to operate and low in cost.

Preferably, the guide groove has a stopper portion in front and rear thereof.

Preferably, the stabilizer is a plate-shaped body, and the surfaces of the limiting parts at the front and the rear of the guide groove are recessed to form mounting grooves for mounting the stabilizer.

Preferably, the left side and the right side of the guide piece are provided with protruding parts, and the protruding parts are attached to the inner wall of the guide groove and in sliding fit with the inner wall of the guide groove. The raised portion enables the leg support member to slide more smoothly and smoothly, while also reducing wear between the guide member and the leg support member.

Preferably, the guide member has bilaterally symmetrical support seats and a link plate connecting the two support seats, the link plate is disposed in the guide groove, and the support seats are fixedly connected to one of the seat support member and the leg support member.

Preferably, the connecting plate is provided with a convex block protruding out of the upper surface of the connecting plate, the convex block is attached to the inner wall of the guide groove, and the convex block and the guide groove are in sliding fit. The sliding of the leg supporting piece is smoother and smoother, and meanwhile, the abrasion between the guide piece and the leg supporting piece is reduced.

Preferably, the connecting plate around the lug is provided with a through groove which penetrates through the connecting plate in the vertical direction, an elastic connecting column is arranged between the lug and the connecting plate, and the elastic connecting column is configured to respond to the external force applied to the leg supporting piece to generate elastic deformation so that the leg supporting piece has elasticity. When a user rests the thighs on the leg supports, the resilient leg supports will produce a certain amount of swing to accommodate the thighs, improving comfort.

Preferably, the guide member is provided with a plurality of grooves. So as to save materials and reduce cost, and accord with the principle of sustainable development.

Preferably, the guide groove is arranged on the lower surface of the leg support part, the guide part is fixedly arranged on the seat support part, and the stabilizing part is fixedly connected to the lower surface of the leg support part and enables the guide part to be slidably remained in the guide groove; when the leg support slides forward relative to the seat support and the guide, the guide enters the rear half of the guide groove from the front half of the guide groove.

Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:

the utility model has the advantages that:

1. the sliding of the front end of the leg support piece can prolong or shorten the whole length of the seat component, so that the seat support piece and the leg support piece can effectively support the legs of the human body in a wider range, and the chair is suitable for people with different heights.

2. The positional relationship of the leg support and the seat support is not critical, which allows the seat assembly to be used in a variety of differently contoured seats.

3. Leg support piece is the hard board body with seat support piece, and its holding power is strong and longe-lived, need not complicated structure and supports leg support piece, has simplified overall structure, has promoted the efficiency of production assembly when reduce cost.

4. The sliding assembly has simple structure, few parts and low cost, and the leg support piece is easy and convenient to pull and pull; the assembly with the seat supporting piece and the leg supporting piece is quicker, and the production and assembly efficiency is improved.

5. The limiting groove and the mounting groove can reduce the overall thickness, so that the seat supporting piece and the leg supporting piece are better in integration and more attractive.

Drawings

Fig. 1 is a schematic perspective view of the leg support member of the seat according to the embodiment of the present invention;

FIG. 2 is a schematic perspective view of the front end of the seat support member and the front end of the leg support member in the embodiment of the present invention;

FIG. 3 is a schematic perspective view of the seat with the leg support member pulled out in the embodiment of the present invention;

FIG. 4 is a schematic perspective view of the leg support member of the embodiment of the present invention after the leg support member is pulled out from the seat support member;

FIG. 5 is a cross-sectional view of the front end of the seat support member being flush with the front end of the leg support member in an embodiment of the present invention;

FIG. 6 is a cross-sectional view of the leg support member being pulled away from the seat support member in an embodiment of the present invention;

fig. 7 is a schematic perspective view of a leg support according to an embodiment of the present invention;

fig. 8 is a bottom view of a leg support in an embodiment of the invention;

fig. 9 is a schematic perspective view of a guide member according to an embodiment of the present invention;

fig. 10 is a front view of a guide member according to an embodiment of the present invention;

fig. 11 is an exploded view of the seat support, leg support and glide assembly in accordance with an embodiment of the present invention;

the figures are numbered: a seat support 1; a leg support 2; a guide 3; a support base 31; a connecting plate 32; a recess 33; the boss 34; a bump 35; a through groove 36; an elastic connection post 37; a stabilizer 4; a guide groove 5; a stopper portion 6; a mounting groove 7; a chair back 8; a handrail 9; a headrest 10; five star leg 11.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific implementation manner of the utility model is as follows:

as shown in fig. 1, 3, 5 and 6, the present invention provides a chair for effectively supporting legs, which comprises a seat assembly, wherein the seat assembly comprises a seat support 1 and a leg support 2, and the seat support 1 and the leg support 2 are stacked up and down; the seat support 1 is configured to support a person sitting thereon, i.e. a conventional chair seat, the leg support 2 is movably arranged on the seat support 1, the leg support 2 can be said to be an additional part of the chair seat, and is configured to support the legs of the person, so that the thighs of the person can rest comfortably on the leg support 2; the leg support slides forward relative to the support, extending the body length of the seat assembly; the leg support slides rearward relative to the seat support, shortening the overall length of the seat assembly.

The overall length of the seat unit, which is the length the seat unit has in the front-rear direction, is related to the positional relationship between the seat support 1 and the leg support 2; when the front end of the seat support member 1 exceeds the front end of the leg support member 2, the overall length of the seat assembly is the length of the seat support member 1; when the front end of the leg support 2 exceeds the front end of the seat support 1, the overall length of the seat assembly is the length from the rear end of the seat support 1 to the front end of the leg support 2; when the length from the rear end of the seat support 1 to the front end of the leg support 2 is the entire length of the seat assembly, the entire length of the seat assembly changes following the movement of the leg support 2.

The seat further comprises a glide assembly disposed between the leg support 2 and the seat support 1, the glide assembly being configured to allow the leg support 2 and the seat support 1 to slide relative to each other.

The leg supporting piece 2 slides forwards until the front end of the leg supporting piece 2 protrudes out of the front end of the seat supporting piece 1 or the front end of the leg supporting piece 2 protrudes out of the front end of the seat supporting piece 1 more, and more parts of the legs of the human body are placed on the leg supporting piece 2; when the initial state of the leg support 2 is that the front end of the leg support 2 is flush with the front end of the seat support 1 or is located behind the front end of the seat support 1, the leg support 2 slides forwards through a sliding component arranged between the leg support 2 and the seat support 1 so that the front end of the leg support 2 exceeds the front end of the seat support 1; when the front end of the leg support 2 exceeds the front end of the seat support 1 in the initial state, the leg support 2 slides forwards through the sliding component so that the front end of the leg support 2 protrudes more than the front end of the seat support 1; therefore, the seat supporting part 1 and the leg supporting part 2 can support the legs of the user in a larger range, so that the chair is suitable for people with different heights; in this embodiment, we use the first case; the leg supporting member 2 and the seat supporting member 1 are both hard plates, and have strong supporting force and long service life, and do not need a complex structure for supporting.

As shown in fig. 1, the seat further includes a seat back 8, armrests 9, a headrest 10, support rods (not shown), five-pointed star legs 11 and the like, wherein the seat back 8 is connected with the seat support 1, the armrests 9 are arranged at the left side and the right side of the seat support 1, the headrest is arranged at the upper end of the seat back, the upper ends of the support rods are connected with the seat support, and the lower ends of the support rods are connected with the five-pointed star legs 11; the seat support 1 and the leg support 2 form the seat of the chair, and the outside of the seat can be covered with sponge to improve comfort.

As shown in fig. 5 and 6, the sliding assembly comprises a guide member 3 and a stabilizing member 4; one of the leg support member 2 and the seat support member 1 is further provided with a guide groove 5 for accommodating the guide member 3, and the guide member 3 is in front-rear sliding fit with the guide groove 5; the guide 3 is fixedly provided on the other of the leg support 2 and the seat support 1; the stabilizer 4 is configured to prevent the guide 3 from being disengaged from the guide groove 5; the leg support part 2 and the seat support part 1 are both plate-shaped bodies, and the leg support part 2 can be arranged above the seat support part 1 or below the seat support part 1; in the present embodiment, the leg support 2 is disposed above the seat support 1, and the front end of the leg support 2 is flush with the front end of the seat support 1; the leg support 2 is provided with a guide groove 5, the guide member 3 is fixedly provided on the seat support 1, and the stabilizer member 4 is fixedly attached to the lower surface of the leg support 2 such that the guide member 3 is slidably retained in the guide groove 5.

Specifically, as shown in fig. 5 to 8, the guide groove 5 is not a groove penetrating the leg support 2 in the front-rear direction, but the width of the guide groove 5 is matched with the width of the guide 3, and in order to allow the leg support 2 to always slide within a fixed range, the guide groove 5 has a stopper portion 6 in both the front and rear directions, and when the guide 3 hits the stopper portion 6 in a certain direction, the sliding movement of the leg support 2 in that direction is restricted, and only the sliding movement in the opposite direction is possible; as shown in fig. 7, 8 and 11, the stabilizing member 4 is a plate-shaped body, and the surface of the front and rear limiting parts 6 of the guide groove 5 is recessed upwards to form a mounting groove 7 for mounting the stabilizing member 4; the guide 3 has a bilaterally symmetrical support seat 31 and a connecting plate 32 connecting the two support seats 31, the connecting plate 32 is arranged in the guide groove 5, and the support seat 31 is fixedly connected to the seat support 1 through a bolt; the installation process is as follows: firstly, the connecting plate 32 of the guide member 3 is installed in the guide groove 5, and at the moment, the connecting plate 32 is sunk in the guide groove 5 but the two supporting seats 31 are positioned at the left side and the right side of the connecting plate 32 and protrude out of the lower surface of the leg support member 2; then the stabilizer 4 is placed in the mounting groove 7 and fixedly connected with the leg support 2 by bolts, at this time, the stabilizer 4 is positioned between the two supporting seats 31, and the connecting plate 32 is positioned in the guide groove 5 and between the stabilizer 4 and the leg support 2; finally, the support seat 31 is fixed to the seat support 1 by bolts, and the leg support 2 is pulled to slide relative to the seat support 1 by pulling the leg support 2.

Further, as shown in fig. 9 and 10, the guide member 3 is provided with a plurality of grooves 33 to save materials and reduce cost, and meet the principle of sustainable development; the left side and the right side of the guide piece 3 are provided with four convex parts 34, two convex parts 34 are arranged on each side, and the outline of each convex part 34 is arc-shaped; the convex part 34 is attached to the inner wall of the guide groove 5 and is in sliding fit with the inner wall, and the arc-shaped convex part 34 can enable the leg support piece 2 to slide smoothly; the connecting plate 32 is provided with a convex block 35 which protrudes out of the upper surface of the connecting plate 32, the convex block 35 is attached to the upper wall of the guide groove 5 and is in sliding fit with the upper wall of the guide groove, so that the leg supporting piece 2 slides smoothly, and the abrasion is reduced; the connecting plate 32 around the bump 35 is provided with a through groove 36 which penetrates through the connecting plate 32 in the vertical direction, an elastic connecting column 37 is arranged between the bump 35 and the connecting plate 32, the elastic connecting column 37 is configured to respond to the external force applied to the leg support 2 to generate elastic deformation so that the leg support 2 has elasticity, when a user puts the thigh on the leg support 2, the leg support 2 with elasticity can generate a certain amount of swing to adapt to the thigh, and the comfort is improved.

The overall motion is as follows: as shown in fig. 1 to 6, in the initial state, the front end of the leg support member 2 is aligned with the front end of the seat support member 1, and the front surface of the guide member 3 abuts against the stopper portion 6 in front of the guide groove 5; the leg support 2 is pulled forwards, so that the leg support 2 slides forwards relative to the seat support 1 and the guide 3, the guide 3 enters the rear half part of the guide groove 5 from the front half part of the guide groove 5, namely the rear surface of the guide 3 is close to the limiting part 6 behind the guide groove 5 until the guide 3 stops when the rear surface of the guide 3 is attached to the limiting part 6 behind the guide groove 5, and at the moment, the front end of the leg support 2 protrudes out of the front end of the seat support 1, so that the leg of a human body can be supported effectively and in a larger range; the leg support member 2 is pushed backwards, so that the leg support member 2 slides backwards relative to the seat support member 1 and the guide member 3, the guide member 3 enters the front half part of the guide groove 5 from the rear half part of the guide groove 5, namely, the front surface of the guide member 3 is close to the limiting part 6 in front of the guide groove 5 until the front surface of the guide member 3 is stopped when being attached to the limiting part 6 in front of the guide groove 5, at the moment, the front end of the leg support member 2 is aligned with the front end of the seat support member 1, and the leg support member 2 returns to the initial state.

Claims

1. A chair for supporting a leg of a person, comprising:

a seat support configured to support a human body to sit;

2. The chair of claim 1, further comprising: the leg support is disposed above the front of the seat support; when the leg supporting part slides forwards relative to the seat supporting part, the leg supporting part is always staggered with the seat supporting part.

3. The chair of claim 1, further comprising: the leg support is disposed below the front of the seat support.

4. The chair of claim 1, further comprising: when the leg supporting piece slides forwards relative to the seat supporting piece until the whole length of the seat component is the longest, the front end of the leg supporting piece protrudes out of the front end of the seat supporting piece; when the leg support member slides backwards relative to the seat support member until the overall length of the seat assembly is shortest, the front end of the leg support member is aligned with the front end of the seat support member or the front end of the leg support member retracts relative to the front end of the seat support member.

5. The chair of claim 1, further comprising: when the leg support piece slides backwards relative to the seat support piece until the overall length of the seat component is shortest, the front end of the leg support piece exceeds the front end of the seat support piece; when the leg support is slid forward relative to the seat support to the maximum length of the seat assembly, the portion of the leg support beyond the front end of the seat support is lengthened.

6. The chair of claim 1, further comprising: the leg supporting part and the seat supporting part are both hard plate-shaped bodies.

7. The chair of claim 1, further comprising: the sliding assembly is arranged between the leg support and the seat support and is configured to enable the leg support and the seat support to slide relatively.

8. The chair of claim 7 wherein: the sliding assembly comprises a guide part and a stabilizing part; one of the leg support piece and the seat support piece is provided with a guide groove for accommodating a guide piece, and the guide piece is in front-back sliding fit with the guide groove; the guide member is fixedly disposed on the other of the leg support member and the seat support member; the stabilizer is configured to prevent the guide from being disengaged from the guide groove.

9. The chair of claim 8 wherein: the front and the rear of the guide groove are both provided with a limiting part.

10. The chair of claim 9 wherein: the stabilizing piece is a plate-shaped body, and the surfaces of the limiting parts at the front and the rear of the guide groove are sunken to form a mounting groove for mounting the stabilizing piece.

11. The chair of claim 8 wherein: the left side and the right side of the guide piece are provided with protruding parts, the protruding parts are attached to the inner wall of the guide groove and are in sliding fit with the inner wall of the guide groove.

12. The chair of claim 8 wherein: the guide part is provided with bilaterally symmetrical supporting seats and a connecting plate for connecting the two supporting seats, the connecting plate is arranged in the guide groove, and the supporting seats are fixedly connected to one of the seat supporting part and the leg supporting part.

13. The chair of claim 12, further comprising: the connecting plate is provided with a convex block which protrudes out of the upper surface of the connecting plate, the convex block is attached to the inner wall of the guide groove and is in sliding fit with the inner wall of the guide groove.

14. The chair of claim 13, further comprising: the connecting plate around the lug is provided with a through groove which penetrates through the connecting plate in the vertical direction, an elastic connecting column is arranged between the lug and the connecting plate, and the elastic connecting column is configured to respond to the external force applied to the leg supporting piece and generate elastic deformation to enable the leg supporting piece to have elasticity.

15. The chair of claim 8 wherein: the guide piece is provided with a plurality of grooves.

16. The chair of claim 8 wherein: the guide groove is formed in the lower surface of the leg support part, the guide part is fixedly arranged on the seat support part, and the stabilizing part is fixedly connected to the lower surface of the leg support part and enables the guide part to be slidably left in the guide groove; when the leg support slides forward relative to the seat support and the guide, the guide enters the rear half of the guide groove from the front half of the guide groove.