Seat

Abstract

The utility model relates to a seat, which comprises chair legs, a chair stool and a chair back, the chair stool is arranged on the chair legs, the chair back is connected with the chair stool or the chair legs and is positioned on the rear side of the chair stool, and the seat is characterized by further comprising a back cushion, and the back cushion is arranged on the front side surface of the chair back and is detachably connected with the chair back. By adopting the technical scheme, the utility model provides the chair, the back cushion can be assembled on the chair back as required, so that the sitting depth is adjusted, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of daily necessities, in particular to a chair. Background Art

[0002] Chairs are daily necessities. In daily office situations, a comfortable chair can not only reduce fatigue caused by long-term sitting, but also adapt to people of different heights and weights. Generally, it includes chair legs, a stool and a backrest. The stool is set on the chair legs, and the backrest is connected to the stool or the chair legs. The chair legs can be raised and lowered.

[0003] However, the backrest of the existing chair is fixed and cannot be adjusted forward and backward, resulting in some people being unable to lean on the backrest when using it. If they lean on the backrest, the sitting posture is not comfortable enough, resulting in poor comfort, which can easily cause back pain after long-term use. Summary of the invention

[0004] Purpose of the utility model: In order to overcome the defects of the prior art, the utility model provides a seat, on which a cushion can be assembled on the backrest as needed, so as to adjust the seat depth, and the utility model is highly practical.

[0005] The technical solution of the utility model is as follows: a chair comprises chair legs, a chair stool and a chair back, wherein the chair stool is arranged on the chair legs, the chair back is connected to the chair stool or the chair legs and is located at the rear side of the chair stool, and also comprises a cushion, which is arranged on the front side of the chair back and is detachably connected to the chair back.

[0006] By adopting the above technical solution, a cushion is added, and the cushion is detachably connected to the chair back. Whether to install the cushion can be selected according to the user group. The seat depth can be adjusted by installing the cushion, which makes it more comfortable to use and provides support for the human back. It is highly practical and can meet the needs of different user groups.

[0007] The utility model is further configured as follows: a support seat and a connecting seat are provided on the rear side of the cushion, a connecting piece is provided on the chair back, and the connecting seat is connected to the connecting piece via a fastener to realize the connection between the cushion and the chair back. After the cushion is connected to the chair back, the rear side surface of the support seat conflicts with the front side surface of the chair back.

[0008] With the above further arrangement, the connecting seat is connected to the connecting piece on the chair back, the structure is firm, the connection method of the fastener is convenient for disassembly, and the supporting seat is located below the connecting seat. The supporting seat plays a supporting role, so that the cushion structure is stable and more comfortable when used, and the cushion will not move when a person leans against it.

[0009] The utility model is further configured as follows: a sleeve is provided on the connecting seat, the sleeve is sleeved on the outer periphery of the connecting piece, a mounting column is provided in the sleeve, the rear side of the connecting piece is open, the fastener passes through the rear side of the connecting piece, and the end portion cooperates with the mounting column thread to realize the connection between the connecting seat and the connecting piece.

[0010] By further adopting the above-mentioned arrangement, the structure is simple and the assembly and disassembly are convenient. The sleeve is sleeved on the outer periphery of the connecting piece, the fastener is extended from the open position on the rear side of the connecting piece, the end is inserted into the mounting column, and the connection is achieved by cooperating with the mounting column thread. The mounting column can be extended to the rear side of the connecting piece, or a mounting hole can be set on the connecting piece for the fastener to pass through.

[0011] The utility model is further configured as follows: two support seats are provided, each of which includes a plurality of first columns fixedly provided on the rear side of the cushion and a support sheet, a plurality of second columns are provided on the front side of the support sheet, and the first columns are plugged into and matched with the second columns.

[0012] With the above-mentioned further arrangement, the structure is more stable, the two support seats correspond to the two sides of the back of the human body respectively, and the support is better. The first column and the second column can also be connected by glue, and the structure is more solid.

[0013] The utility model is further configured as follows: the connecting member includes a connecting column and a flange located at the rear side of the connecting column, the connecting column is hollow inside and the rear side of the connecting column is open, the front side of the connecting column is provided with a mounting hole which is connected to the hollow part of the connecting column, the chair back is provided with a through hole for mounting the connecting member and a boss located at the periphery of the through hole, the boss is located at the rear side surface of the chair back, the flange on the connecting member is located at the periphery of the boss, the connecting column extends to the front side of the chair back, and the sleeve extends into the through hole.

[0014] By adopting the above-mentioned further arrangement, the cooperation between the flange and the boss makes the connecting piece structure firm and will not fall off the chair back when in use. The fastener is inserted from the rear opening of the connecting column, extends through the mounting hole to the mounting column, and is easy to disassemble and assemble.

[0015] The utility model is further configured as follows: the connecting seat comprises a first seat body and a second seat body which are separately configured, the second seat body is configured at the rear side of the first seat body, and the two seat bodies are connected by screws, and the sleeve is configured on the second seat body.

[0016] The above further configuration is adopted to facilitate installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of a specific embodiment of the utility model;

[0018] Figure 2It is a schematic diagram of a cushion according to a specific embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of a connecting seat of a specific embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the first seat body of a specific embodiment of the utility model;

[0021] Figure 5 It is a schematic diagram of a support sheet of a specific embodiment of the utility model;

[0022] Figure 6 This is a schematic diagram of the front side of a chair back in a specific embodiment of the utility model;

[0023] Figure 7 It is a schematic diagram of the rear side of a chair back of a specific embodiment of the utility model;

[0024] Figure 8 It is a schematic diagram of a through hole and a boss in a specific embodiment of the utility model;

[0025] Fig. 9 It is a schematic diagram of a connecting piece according to a specific embodiment of the utility model. DETAILED DESCRIPTION

[0026] The technical scheme in this embodiment will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] It should be noted that in the description of the present invention, all directional indications (such as up, down, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0028] In addition, the descriptions of "first", "second", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. In the description of the present invention, the meaning of "several" is at least two, such as two, three, etc., unless otherwise clearly and specifically limited.

[0029] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that technical personnel in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0030] like Figure 1-9 As shown, a chair includes a chair leg 1, a chair stool 2 and a chair back 3. The chair stool 2 is arranged on the chair leg 1, and the chair back 3 is connected to the chair stool 2 or the chair leg 1 and is located at the rear side of the chair stool 2. The connection relationship between the chair stool, the chair back and the chair leg belongs to the prior art, so it is not described in detail. It also includes a cushion 4, which is arranged on the front side of the chair back 3 and is detachably connected to the chair back 3. The cushion 4 is added, and the cushion 4 is detachably connected to the chair back 3. Whether to install the cushion 4 can be selected according to the user group. The sitting depth can be adjusted by installing the cushion 4, which makes it more comfortable to use and supports the human back. It is highly practical and meets the needs of different user groups.

[0031] A support seat 41 and a connecting seat 42 are provided on the rear side of the cushion 4, and a connecting piece 31 is provided on the chair back 3. The connecting seat 42 is connected to the connecting piece 31 through a fastener to realize the connection between the cushion 4 and the chair back 3. After the cushion 4 is connected to the chair back 3, the rear side surface of the support seat 41 conflicts with the front side surface of the chair back 3, and the connecting seat 42 is connected to the connecting piece 31 on the chair back 3. The structure is firm and the connection method of the fastener is convenient for disassembly. The support seat 41 is located below the connecting seat 42. The support seat 41 plays a supporting role, so that the cushion 4 has a stable structure and is more comfortable when used, and the cushion will not move when a person leans against it. There are two support seats 41, and both support seats include a plurality of first columns 411 and a support plate 412 fixedly arranged on the rear side of the cushion 4. The front side of the support plate 412 is provided with a plurality of second columns 4121. The first column 411 and the second column 4121 are plugged together. The first column 411 is provided with a receiving cavity, and the second column is inserted in the receiving cavity. A tensioning strip is provided on the outer periphery of the second column, so that the structure is more solid when the two columns are plugged together. The two support seats 41 respectively correspond to the two sides of the back of the human body, and the support is better. The first column 411 and the second column 4121 can also be connected by glue, and the structure is more solid.

[0032] The connecting seat 42 is provided with a sleeve 421, and the sleeve 421 is sleeved on the outer periphery of the connecting member 31. A mounting post 4211 is provided in the sleeve 421. The rear side of the connecting member 31 is open, and the fastener passes through the rear side of the connecting member 31, and the end part cooperates with the mounting post thread to realize the connection between the connecting seat 42 and the connecting member 31. The structure is simple and easy to disassemble and assemble. The sleeve 421 is sleeved on the outer periphery of the connecting member 31, and the fastener extends from the open position on the rear side of the connecting member 31. The end part is inserted into the mounting post and cooperates with the mounting post thread to realize the connection. The mounting post can be extended to the rear side of the connecting member, or a mounting hole can be set on the connecting member for the fastener to pass through. After the cushion is removed, the connecting member can also be removed. The connecting member 31 includes a connecting column 311 and a flange 312 located at the rear side of the connecting column 311. The connecting column 311 is hollow inside and the rear side of the connecting column 311 is open. The front side of the connecting column 311 is provided with a mounting hole 313 that is connected to the hollow part of the connecting column 311. The chair back 3 is provided with a through hole 32 for mounting the connecting member 31 and a boss 33 located at the periphery of the through hole 32. The boss 33 is located at the rear side of the chair back 3. The flange 312 on the connecting member 31 is located at the periphery of the boss 33. The connecting column 311 extends to the front side of the chair back 3, and the sleeve 421 extends into the through hole 32. The cooperation between the flange 312 and the boss 33 makes the connecting member 31 structurally firm and will not fall off the chair back 3 when in use. The fastener is inserted from the open side of the rear 311 of the connecting column, passes through the mounting hole 313 and extends to the mounting column, which is easy to disassemble and assemble.

[0033] The connecting seat 42 includes a first seat body 422 and a second seat body 423 which are separately arranged. The second seat body 423 is arranged at the rear side of the first seat body 422 and the two seat bodies are connected by screws. The sleeve 421 is arranged on the second seat body 423 for easy installation.

Claims

1. A chair, comprising a chair leg (1), a chair stool (2) and a chair back (3), wherein the chair stool (2) is arranged on the chair leg (1), and the chair back (3) is connected to the chair stool (2) or the chair leg (1) and is located at the rear side of the chair stool (2). It is characterized in that The invention also comprises a back cushion (4), wherein the back cushion (4) is arranged on the front side of the chair back (3) and is detachably connected to the chair back (3); a support seat (41) and a connecting seat (42) are arranged on the rear side of the back cushion (4); a connecting piece (31) is arranged on the chair back (3); the connecting seat (42) is connected to the connecting piece (31) via a fastener to realize the connection between the back cushion (4) and the chair back (3); after the back cushion (4) and the chair back (3) are connected, the rear side of the support seat (41) abuts against the front side of the chair back (3).

2. The seat according to claim 1, It is characterized in that The connecting seat (42) is provided with a sleeve (421), the sleeve (421) is sleeved on the outer circumference of the connecting piece (31), a mounting post (4211) is provided in the sleeve (421), the connecting piece (31) is provided with an open rear side, a fastener passes through the rear side of the connecting piece (31), and an end portion thereof is threadedly engaged with the mounting post (4211) to achieve connection between the connecting seat (42) and the connecting piece (31).

3. The seat according to claim 1 or 2, It is characterized in that Two support seats (41) are provided, each of which comprises a plurality of first columns (411) fixedly arranged on the rear side of the cushion (4) and a support sheet (412); a plurality of second columns (4121) are provided on the front side of the support sheet (412); the first columns (411) and the second columns (4121) are plug-fitted.

4. The seat according to claim 3, It is characterized in that The connecting member (31) comprises a connecting column (311) and a flange (312) located at the rear side of the connecting column (311); the connecting column (311) is hollow inside and the rear side of the connecting column (311) is open; the front side of the connecting column (311) is provided with a mounting hole (313) which is in communication with the hollow portion of the connecting column (311); the chair back (3) is provided with a through hole (32) for mounting the connecting member (31) and a boss (33) located at the periphery of the through hole (32); the boss (33) is located at the rear side of the chair back (3); the flange (312) on the connecting member (31) is located at the periphery of the boss (33); the connecting column (311) extends to the front side of the chair back (3); and the sleeve (421) extends into the through hole (32).

5. The seat according to claim 2, It is characterized in that The connecting seat (42) comprises a first seat body (422) and a second seat body (423) which are separately arranged, the second seat body (423) being arranged at the rear side of the first seat body (422), and the two seat bodies being connected by screws, and the sleeve (421) being arranged on the second seat body (423).

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