CN112932138A

CN112932138A - Chair with detachable seat

Info

Publication number: CN112932138A
Application number: CN202110088665.2A
Authority: CN
Inventors: 蔡圆圆
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-06-11
Anticipated expiration: 2041-01-22
Also published as: CN112932138B

Abstract

The invention belongs to the technical field of furniture, and particularly relates to a seat. Aiming at the defects of the backrest height adjusting structure of the prior seat, the invention adopts the following technical scheme: a seat, the seat comprising: a chair leg; the seat support, the seat support including install in supporting seat on the chair leg, with the pole is tilted to the degree of depth of supporting seat articulated. The chair back comprises a supporting plate arranged on the chair seat and a backrest assembly arranged on the supporting plate in an adjustable manner; the inner end of the rocker is clamped into the height positioning groove, the outer end of the rocker is exposed out of the shell sleeve, and a height elastic part which enables the rocker to be kept at a positioning position is acted on the rocker. The chair has the beneficial effects that: the depth of the chair back can be adjusted by operating the depth handle, namely the front and back positions of the chair back relative to the chair seat, the height of the backrest assembly can be adjusted by pressing the wane, the structure is simple, the operation is easy, and the positioning is reliable.

Description

Chair with detachable seat

Technical Field

The invention belongs to the technical field of furniture, and particularly relates to a seat.

Background

In order to adapt to people with different heights and weights, the height of the seat, the height of the backrest, the depth of the backrest and the like of the chair can be adjusted. However, the adjusting structures of the prior seat have the problems of complex structure, complex adjustment and the like, and particularly, the adjusting structure has an improvement space when the seat cannot be adjusted.

In addition, the ventilation performance of the seat of the existing seat is poor, and the long-term sitting is easy to cause discomfort.

Disclosure of Invention

The invention provides a chair, aiming at the defects of a chair back depth adjusting structure and a backrest height adjusting structure of the prior chair, and provides a chair, which is improved in the backrest height adjusting structure or is different from the prior backrest height adjusting structure.

In order to achieve the purpose, the invention adopts the following technical scheme: a seat, the seat comprising:

a chair leg;

the chair comprises a chair seat and a chair leg, wherein the chair seat is arranged on the chair leg and comprises a supporting seat arranged on the chair leg and a depth raising rod hinged with the supporting seat;

the backrest comprises a backrest body, a backrest body and a backrest seat, wherein the backrest body comprises a supporting plate and a backrest assembly, the supporting plate is arranged on the seat body, the backrest assembly is adjustably arranged on the supporting plate, the backrest assembly comprises a shell sleeve and a warping plate, the shell sleeve is sleeved on the supporting plate, the warping plate is hinged with the shell sleeve, and the supporting plate comprises a horizontal part and an upright part;

the shell is provided with a shell cover, a shell cover is arranged on the shell cover, a horizontal part is arranged on the shell cover, a plurality of depth positioning grooves are formed in the horizontal part, a plurality of height positioning grooves are formed in the vertical part, the inner end of the rocker is clamped in the height positioning grooves, the outer end of the rocker is exposed out of the shell cover, and a height elastic piece is acted on the rocker to enable the rocker to be kept at a positioning position; the depth upwarping rod is characterized in that the inner end of the depth upwarping rod is clamped into the depth positioning groove, a depth handle is arranged at the outer end of the depth upwarping rod, and a depth elastic piece is used for enabling the upwarping rod to be kept at a positioning position.

The seat is provided with the supporting plate with the height positioning groove, the rotatable rocker and the height elastic piece, the rocker rotates by pressing the rocker downwards, the inner end of the rocker is separated from the height positioning groove, the height of the backrest component can be adjusted, when the backrest reaches a proper position, the rocker is loosened, and the rocker is automatically clamped into the height positioning groove under the action of the height elastic piece; the depth adjusting device is provided with a supporting plate with a depth positioning groove, a rotatable warping rod and a depth elastic piece, the warping rod rotates by pressing down the depth handle, the inner end of the warping rod is separated from the depth positioning groove, the depth of the chair back can be adjusted, when the proper position is reached, the depth handle is loosened, and the depth warping rod is automatically clamped into the depth positioning groove under the action of the depth elastic piece; the depth of the chair back can be adjusted by operating the depth handle, namely the front and back positions of the chair back relative to the chair seat, the height of the backrest assembly can be adjusted by pressing the wane downwards, the structure is simple, the operation is easy, and the positioning is reliable.

As an improvement, the shell sleeve is fixedly connected with a hinged seat, and the warping plate is rotatably connected with the hinged seat through a height pivot.

As an improvement, the height elastic piece is a torsion spring which is sleeved on the height pivot.

As an improvement, the upper end of the shell is closed, the lower end of the shell is open, a first hole column 322 is formed on the inner side of the shell, a through hole is formed in the hinged seat, the hinged seat is fixedly connected with the shell through a screw which penetrates through the through hole and is screwed into the first hole column 322, and a through groove for the penetration and movement of the warping plate is formed in the shell.

As an improvement, the backrest assembly further comprises a backrest back plate arranged on the shell, a backrest lining plate arranged on the backrest back plate and backrest foam arranged on the backrest lining plate.

As an improvement, a soft rubber connecting piece is arranged between the shell sleeve and the backrest backboard, and the shell sleeve, the backrest backboard and the soft rubber connecting piece are fixedly connected through screws; the backrest back plate extends to form a clamping column, the backrest lining plate is provided with a clamping groove, and the clamping column is clamped in the clamping groove.

As an improvement, one side of the shell sleeve, which faces the soft rubber connecting piece, protrudes outwards to form a second hole column, a positioning counter bore is formed in the soft rubber connecting piece, and the second hole column is positioned in the positioning counter bore; the back plate is bulged towards the direction of the back lining plate to form a bulged part, the back lining plate is provided with an assembly positioning groove, one side of the bulged part is positioned with the soft rubber connecting piece, and the other side of the bulged part is positioned with the assembly positioning groove.

As an improvement, the clamping column is approximately in a T shape, the center of the clamping column is hollow, the clamping groove is sunken towards one side of the backrest foam to form a sinking groove, and the anti-falling annular part of the clamping groove is broken to form a plurality of sectors.

As an improvement, the chair seat further comprises a bottom cover arranged below the supporting seat, a top plate arranged above the bottom cover and a latex seat cushion arranged above the top plate, wherein a fan is arranged on the bottom cover, and the top plate is provided with a ventilation hole opposite to the fan.

As a modification, a cavity is formed in the bottom cover, and the fan is mounted in the cavity.

The chair has the beneficial effects that: the depth of the chair back, namely the front and back positions of the chair back relative to the chair seat can be adjusted by operating the depth handle, the height of the backrest component can be adjusted by pressing the wane downwards, and the chair back assembly has the advantages of simple structure, easiness in operation and reliability in positioning; the height of the backrest module can be adjusted when sitting.

Drawings

Fig. 1 and 2 are schematic structural views of different angles of a seat according to a first embodiment of the invention.

Fig. 3 is an exploded view of a seat according to a first embodiment of the present invention.

Fig. 4 is a schematic structural view of a support plate of a seat according to a first embodiment of the present invention.

Fig. 5 is a schematic structural view of a seat shell according to a first embodiment of the invention.

Fig. 6 is a schematic structural view of a hinge seat of a seat according to a first embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a rocker of a seat according to a first embodiment of the invention.

Fig. 8 is a schematic structural view of a soft rubber connecting piece of a seat according to a first embodiment of the invention.

Fig. 9 is a schematic structural view of a back plate of a seat according to a first embodiment of the invention.

Fig. 10 is a schematic structural view of a back plate of a seat according to a first embodiment of the present invention.

Fig. 11 is a schematic structural view of a seat back foam of a seat according to a first embodiment of the invention.

Fig. 12 is a schematic structural view of a seat support of a seat according to a first embodiment of the invention.

Fig. 13 is a schematic structural view of a seat under cover according to a first embodiment of the present invention.

Fig. 14 is a schematic structural view of a top plate of a seat according to a first embodiment of the present invention.

Fig. 15 is a schematic structural view of a latex seat cushion of a seat according to a first embodiment of the present invention.

In the figure, 1, chair legs;

2. a chair seat;

21. a supporting seat; 211. a guide groove; 212. an avoidance groove;

22. a bottom cover; 221. a concave cavity;

23. a top plate; 231. a vent hole;

24. a latex cushion;

25. a deep stick-up rod;

26. a depth handle;

27. a high tilting rod;

28. a height handle;

29. a fan;

3. a chair back;

31. a support plate; 311. a depth positioning groove; 32. a height positioning slot;

32. a shell; 321. a through groove; 322. a first bore post; 323. a second bore;

33. a hinged seat;

34. a seesaw;

35. a soft rubber connecting piece; 351. positioning the counter bore;

36. a back plate; 361. clamping the column; 362. a raised portion;

37. a backrest lining plate; 371. a card slot; 372. assembling a positioning groove;

38. the backrest is soaked in cotton.

Detailed Description

The technical solutions of the embodiments of the present invention will be explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and are not all embodiments. Other embodiments obtained by persons skilled in the art without any inventive work based on the embodiments in the embodiment belong to the protection scope of the invention.

Referring to fig. 1 to 15, a seat of the present invention includes:

a chair leg;

the backrest comprises a shell sleeve sleeved on the supporting plate and a warped plate hinged with the shell sleeve, the supporting plate comprises a horizontal part and an upright part, and the warped plate is positioned on one side of the supporting plate, which is far away from the seat;

According to the chair, the depth of the chair back, namely the front and back positions of the chair back relative to the chair seat can be adjusted by operating the depth handle, the height of the backrest assembly can be adjusted by pressing the wane downwards, and the chair is simple in structure, easy to operate and reliable in positioning.

Example one

Referring to fig. 1 to 15, a seat of the present invention includes:

a chair leg 1;

the chair seat 2 is arranged on the chair legs 1, and the chair seat 2 comprises a supporting seat 21 arranged on the chair legs 1 and a depth raising rod 25 hinged with the supporting seat 21;

the chair back 3 comprises a supporting plate 31 arranged on the chair seat 2 and a backrest component which is adjustably arranged on the supporting plate 31, the backrest component comprises a shell 32 sleeved on the supporting plate 31 and a warping plate 34 hinged with the shell 32, and the supporting plate 31 comprises a horizontal part and an upright part;

the horizontal part is provided with a plurality of depth positioning grooves 311 which are horizontally distributed, the vertical part is provided with a plurality of height positioning grooves 32 which are vertically distributed, the inner end of the warped plate 34 is clamped in the height positioning grooves 32, the outer end of the warped plate 34 is exposed out of the shell sleeve 32, and the warped plate 34 is acted with a height elastic piece which can keep the warped plate 34 at a positioning position; the inner end of the depth warping rod 25 is clamped into the depth positioning groove 311, the outer end of the depth warping rod 25 is provided with a depth handle 26, and a depth elastic part which enables the warping rod to be kept at a positioning position is acted on the depth warping rod 25.

In this embodiment, the housing 32 is fixedly connected to a hinge seat 33, and the rocker 34 is rotatably connected to the hinge seat 33 via a height pivot.

In this embodiment, the height elastic member is a torsion spring, and the torsion spring is sleeved on the height pivot. The torsion spring is not shown in the figure.

In this embodiment, the upper end of the casing 32 is closed, the lower end of the casing is open, a first hole column 322 is formed inside the casing 32, a through hole is formed in the hinge seat 33, the hinge seat 33 is fixedly connected with the casing 32 through a screw which penetrates through the through hole and is screwed into the first hole column 322, and a through groove 321 through which the wane 34 penetrates and moves is formed in the casing 32. The upper end of shell 32 is closed, the lower end is open, and dust and impurities cannot enter between shell 32 and support plate 31. There are two first bore studs 322. The lower portion of the outer end of the rocker 34 is arc-shaped, so that the rocker 34 can move smoothly without making the size of the through slot 321 larger, and the gap between the rocker 34 and the through slot 321 is reduced. The upper portion of the inner end of the rocker 34 is arc-shaped, so that the inner end of the rocker 34 can smoothly enter and exit the depth positioning slot 311 without making the depth positioning slot 311 larger in size, thereby reducing the shaking of the backrest assembly.

In this embodiment, the backrest module further includes a backrest back plate 36 mounted on the shell 32, a backrest lining plate 37 mounted on the backrest back plate 36, and backrest foam 38 mounted on the backrest lining plate 37.

In this embodiment, a soft rubber connector 35 is disposed between the shell 32 and the backrest back plate 36, and the shell 32, the backrest back plate 36 and the soft rubber connector 35 are fixedly connected by screws.

In this embodiment, the shell 32 protrudes outward toward the soft rubber connector 35 to form a second hole column 323, a positioning counter bore 351 is formed on the soft rubber connector 35, and the second hole column 323 is positioned in the positioning counter bore 351.

In this embodiment, the backrest back plate 36 is raised toward the backrest lining plate 37 to form a raised portion 362, the backrest lining plate 37 is provided with an assembly positioning groove 372, one side of the raised portion 362 is positioned with the soft rubber connector 35, and the other side of the raised portion is positioned with the assembly positioning groove 372.

In this embodiment, the backrest back plate 36 extends to form a locking column 361, the backrest lining plate 37 is provided with a locking groove 371, and the locking column 361 is locked in the locking groove 371.

In this embodiment, the locking column 361 is substantially T-shaped, the locking column 361 is hollow in the center, the locking groove 371 is recessed towards the backrest foam 38 to form a sinking groove, and the anti-falling annular portion of the locking groove 371 is broken to form a plurality of sectors.

When the chair back 3 is assembled, the hinged seat 33, the seesaw 34, the pivot and the torsion spring are assembled into a whole and then are placed into the shell 32, the shell 32 is fixedly connected with the hinged seat 33 through screws, then the soft rubber connecting piece 35 and the backrest back plate 36 are fixedly connected through screws, and finally the backrest lining plate 37 and the backrest foam 38 which are connected into a whole are clamped with the backrest.

When the height of back subassembly needs to be adjusted, only need dial wane 34 downwards, wane 34 rotates, and 34 inner of wane deviate from in the height positioning groove 32 of backup pad 31, can upgrade the back subassembly, when the back subassembly that goes up and down, do not exert the effort to wane 34, when reacing the suitable position, in height positioning groove 32 is gone into to automatic the card of wane 34 under the effect of torsional spring.

In this embodiment, a guide groove 211 for guiding the support plate 31 is formed in the support base 21 of the seat 2.

In this embodiment, the seat 2 further includes a bottom cover 22 disposed below the supporting seat 21, a top plate 23 disposed above the bottom cover 22, and a latex seat cushion 24 disposed above the top plate 23, wherein the bottom cover 22 is provided with a fan 29, and the top plate 23 is provided with a ventilation hole 231 facing the fan 29. The fan 29 is equipped with a rechargeable battery.

In this embodiment, a cavity 221 is formed in the bottom cover 22, and the fan 29 is installed in the cavity 221.

In this embodiment, the support base 21 and the top plate 23 are fixedly connected by screws, and the bottom cover 22 and the top plate 23 are fixedly connected by screws.

In this embodiment, the seat 2 further includes a height raising rod 27 and a height handle 28, and the height of the seat 2 can be adjusted by operating the height handle 28. The specific height adjustment structure of the seat 2 can be found in the prior art.

The chair provided by the embodiment one of the invention has the beneficial effects that: the depth of the chair back 3, namely the front and back positions of the chair back 3 relative to the chair seat 2 can be adjusted by operating the depth handle 26, the height of the backrest component can be adjusted by pressing the wane 34 downwards, and the chair back assembly has the advantages of simple structure, easy operation and reliable positioning; the fan 29 is arranged to blow air to the latex seat cushion 24, so that the ventilation of the seat 2 is improved.

While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto but is intended to cover various modifications and changes, including but not limited to the details shown in the drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the following claims.

Claims

1. A seat, characterized by: the seat includes:

a chair leg (1);

the chair comprises a chair seat (2), wherein the chair seat (2) is arranged on the chair legs (1), and the chair seat (2) comprises a supporting seat (21) arranged on the chair legs (1) and a depth warping rod (25) hinged with the supporting seat (21);

the chair comprises a chair back (3), wherein the chair back (3) comprises a supporting plate (31) arranged on the chair seat (2) and a backrest assembly adjustably arranged on the supporting plate (31), the backrest assembly comprises a shell sleeve (32) sleeved on the supporting plate (31) and a warping plate (34) hinged with the shell sleeve (32), and the supporting plate (31) comprises a horizontal part and an upright part;

the device comprises a shell, a horizontal part, a vertical part and a rocker (34), wherein the horizontal part is provided with a plurality of depth positioning grooves (311) which are horizontally distributed, the vertical part is provided with a plurality of height positioning grooves (32) which are vertically distributed, the inner end of the rocker (34) is clamped into the height positioning grooves (32), the outer end of the rocker (34) is exposed out of the shell (32), and a height elastic piece which enables the rocker (34) to be kept at a positioning position is acted on the rocker (34); the depth sticks up pole (25) inner card and goes into in depth constant head tank (311), the outer end of depth sticks up pole (25) is equipped with degree of depth handle (26), the degree of depth sticks up and is used for making on pole (25) stick up the pole and keep the degree of depth elastic component at the position of location.

2. A seat as claimed in claim 1, wherein: the shell sleeve (32) is fixedly connected with a hinged seat (33), and the warping plate (34) is rotatably connected with the hinged seat (33) through a height pivot.

3. A seat according to claim 2, wherein: the height elastic piece is a torsion spring which is sleeved on the height pivot.

4. A seat according to claim 2, wherein: the utility model discloses a shell, including shell (32), articulated seat (33), through-hole and screw in, shell (32) upper end is sealed, and lower extreme opening, shell (32) inboard is formed with first hole post (322), set up the through-hole on articulated seat (33), articulated seat (33) are through passing through-hole and screw in the screw of first hole post (322) with shell (32) rigid coupling, set up on shell (32) and supply wane (34) to pass and the through groove (321) of activity.

5. A seat as claimed in claim 1, wherein: the backrest assembly further comprises a backrest back plate (36) installed on the shell (32), a backrest lining plate (37) installed on the backrest back plate (36) and backrest foam (38) installed on the backrest lining plate (37).

6. A seat according to claim 5, wherein: a soft rubber connecting piece (35) is arranged between the shell sleeve (32) and the backrest back plate (36), and the shell sleeve (32), the backrest back plate (36) and the soft rubber connecting piece (35) are fixedly connected through screws; the backrest back plate (36) extends to form a clamping column (361), a clamping groove (371) is formed in the backrest lining plate (37), and the clamping column (361) is clamped in the clamping groove (371).

7. A seat according to claim 6, wherein: the shell (32) protrudes outwards towards one side of the soft rubber connecting piece (35) to form a second hole column (323), a positioning counter bore (351) is formed in the soft rubber connecting piece (35), and the second hole column (323) is positioned in the positioning counter bore (351); back backplate (36) to back welt (37) direction uplift forms uplift portion (362), assembly constant head tank (372) is seted up in back welt (37), uplift portion (362) one side with flexible glue connecting piece (35) location, the opposite side with assembly constant head tank (372) location.

8. The seat according to claim 6, wherein: card post (361) is the T font roughly, card post (361) center is hollow, draw-in groove (371) orientation cotton (38) one side of back is sunken to form heavy groove, the disconnection of the anticreep annular portion of draw-in groove (371) forms a plurality of fan-shaped.

9. A seat as claimed in claim 1, wherein: the seat support (2) is characterized by further comprising a bottom cover (22) arranged below the supporting seat (21), a top plate (23) arranged above the bottom cover (22) and a latex seat cushion (24) arranged above the top plate (23), wherein a fan (29) is arranged on the bottom cover (22), and a ventilation hole (231) of the fan (29) is formed in the top plate (23).

10. A seat according to claim 9, wherein: a cavity (221) is formed on the bottom cover (22), and the fan (29) is installed in the cavity (221).