TWM466582U - Chair with adjustable seat width - Google Patents

Description

Chair with adjustable seat width

This creation is about a chair, especially a chair that adjusts the width of the seat.

The chair is a common and indispensable piece of furniture in daily life. Especially for people who sit on a chair for a long time, whether the overall design of the chair conforms to the user's hip and comfort is one of the main design priorities of the chair.

However, the curves and sizes of the individual buttocks are different. Currently, the chairs on the market cannot fit the hips of different users at the same time, so that when the user rides the chair, the buttocks are not evenly supported by the chair, resulting in long-term use by the user. Poor sitting posture; at the same time, if the user has problems such as wide pelvis or pelvic deformation, the current chair on the market can not provide correction function.

In view of this, the creator has made great efforts to solve the above problems by focusing on the above-mentioned prior art, and has devoted himself to the application of the theory, that is, the goal of the creator's improvement.

The purpose of this creation is to provide a chair that can adjust the width of the seat, which adjusts and defines the width of the seat, allows the chair to fit the user's buttocks, and provides corrective sitting and pelvic functions.

In order to achieve the above objectives, the present invention provides a chair that can adjust the width of the seat, including:

a chair frame

a drive shaft mounted on the frame and rotatable relative to the frame, the drive shaft is externally provided with a left-handed thread and a right-handed thread in a reverse configuration;

a first seat, sleeved on the drive shaft and screwed along the left-hand thread;

A second seat is sleeved on the drive shaft and screwed along the right-hand thread to synchronously drive the first seat and the second seat to approach or away from each other.

This creation also has the following effects:

The first seat, the first seat and the second seat are screwed to the left-hand thread and the right-hand thread of the drive shaft, thereby synchronously driving the first seat and the second seat to be close to or away from each other, so that the seat of the chair can cooperate The size of the user's buttocks is adjusted so that the first seat and the second seat fit the buttocks and define the sitting posture, thereby providing the functions of plastic hip, correcting the pelvis and correcting the sitting posture.

Secondly, the creation chair further comprises an adjustment mechanism, the adjustment mechanism is connected to the transmission shaft and cooperates with the transmission shaft, so that the drive adjustment mechanism can adjust the width between the first seat and the second seat to achieve the creation chair. It has the advantage of easy to adjust the width of the seat.

Third, the first seat body is provided with a first hip-shaped concave curved surface, and the second seat body is provided with a second hip-shaped concave curved surface, and the first butt-shaped concave curved surface and the second hip-shaped concave curved surface are posted Designed to fit the hips of the human body, it allows the user to ride the chair for better ergonomics and improved comfort.

The fourth, first butt-shaped concave curved surface and the second hip-shaped concave curved surface are designed to fit the human buttocks, and can adjust the width between the first seat and the second seat, so that the first seat and the first seat The support force of the second seat to the user is evenly distributed on the circumference, the sides and the lower side of the buttocks, and the function of plastic hip, correcting the pelvis and correcting the sitting posture is further enhanced.

Fifth, the creation chair further comprises two pads, and the second pads are respectively fixed on the first seat body and the second seat body to increase the softness of the first seat body and the second seat body.

The inner surfaces of the sixth and second pads are jointly provided with a hip-shaped recessed area, which is designed to fit the human buttocks, so that the creation chair has comfortable ride, ergonomics, plastic hip, corrected pelvis and Correct the characteristics of sitting posture.

Seventh, the creation chair further comprises a battery, the adjustment mechanism is a motor drive component, and the battery and the motor drive component are electrically connected to prevent the creation chair from being restricted by the power wire, thereby being more conveniently arranged or moved to any place in the room. This makes the creation chair have good convenience and decorative features.

10‧‧‧ Chair

1‧‧‧ Chair frame

2‧‧‧ drive shaft

21‧‧‧left-hand thread

22‧‧‧Right thread

3‧‧‧First seat

31‧‧‧ first body

311‧‧‧First recessed slot

312‧‧‧First seat

313‧‧‧First Abutment

314‧‧‧First hip-shaped concave curved surface

32‧‧‧First Actuator

321‧‧‧First screw hole

322‧‧‧first through hole

4‧‧‧Second seat

41‧‧‧Second body

411‧‧‧Second recessed slot

412‧‧‧Second seat

413‧‧‧Second Abutment

414‧‧‧Second hip-shaped concave curved surface

42‧‧‧Second Actuator

421‧‧‧Second screw hole

422‧‧‧second through hole

5‧‧‧Limited institutions

51‧‧‧ Positioning Guides

52‧‧‧ Fixed seat

521‧‧‧ base

522‧‧‧ Ring wall

6‧‧‧Adjustment agency

61‧‧‧Manual runner

62‧‧‧Motor drive components

71‧‧‧ cushion

711‧‧‧ Hip-shaped depression

72‧‧‧ Lifting mechanism

8‧‧‧Battery

91‧‧‧Back of the chair

92‧‧‧Handrail

The first picture is a three-dimensional combination of the creation chair.

The second picture is a partial enlarged view of the creation chair.

The third picture is an exploded view of the creation chair.

The fourth picture is a schematic diagram of the state of use of the creation chair.

The fifth figure is a schematic diagram of another use state of the creation chair.

The sixth drawing is a schematic view of another embodiment of the present chair.

The seventh figure is a three-dimensional combination diagram of still another embodiment of the creation chair.

The detailed description and technical content of the present invention will be described below in conjunction with the drawings, but the drawings are for illustrative purposes only and are not intended to limit the present invention.

Referring to Figures 1 to 5, the present invention provides a chair that can adjust the width of the seat. The chair 10 mainly includes a seat frame 1, a drive shaft 2, a first seat 3 and a second seat. 4.

The seat frame 1 is a rod body, and the end of the rod body extends with a replica supporting claw, but the outer shape of the seat frame 1 is not limited thereto, and the seat frame 1 can be of any geometric shape.

The transmission shaft 2 is mounted on the seat frame 1 and is rotatable relative to the seat frame 1. The left side of the transmission shaft 2 is provided with a left-handed thread 21 and a right-handed thread 22 which are arranged in reverse.

The first seat 3 is sleeved on the drive shaft 2 and screwed along the left-hand thread 21; as described in detail below, the first seat 3 includes a first seat body 31 and a first fixed to the bottom of the first seat body 31. The first block body 31 is provided with a first recessed slot 311, and the first actuating member 32 is fixed to the bottom of the first recessed slot 311.

In addition, the first seat body 31 has a first seat portion 312, and a first abutting portion 313 extends from a side of the outer periphery of the first seat portion 312. The first seat portion 312 and the first abutting portion 313 The inner side of the first actuating member 32 is provided with a first screw hole 321 and one or a plurality of first through holes 322.

The second seat 4 is sleeved on the drive shaft 2 and screwed along the right-hand thread 22 to synchronously drive the first seat 3 and the second seat 4 to approach or away from each other; further illustrated as follows, the second seat 4 The second base 41 is provided with a second actuating member 42 fixed to the bottom of the second base 41. The second base 41 is provided with a second recessed slot 411, and the second actuator 42 is fixed to the second recess. The bottom of the slot 411.

In addition, the second seat body 41 has a second seat portion 412, and a second abutting portion 413 is formed on one side of the outer peripheral edge of the second seat portion 412, which is symmetrical with the first abutting portion 313. A second butt-shaped concave surface 414 is disposed on the inner side of the seat portion 412 and the second abutting portion 413. The second actuating member 42 is provided with a second screw hole 421 and one or a plurality of second through holes 422. The first hip concave curved surface 314 and the second hip concave curved surface 414 are designed to fit the human buttocks.

In addition, the left-handed thread 21 of the drive shaft 2 is screwed to the first screw hole 321 and the right-hand thread 22 is screwed to the second screw hole 421, so that the first seat 3 and the second seat 4 are screwed relative to the drive shaft 2 . transmission.

The chair 10 for adjusting the width of the seat further includes a limiting mechanism 5 for limiting the range of movement of the first seat 3 and the second seat 4, and the limiting mechanism 5 is connected to the seat frame 1 on.

The positioning mechanism 5 includes one or a plurality of positioning guides 51. The positioning guides 51 are mounted on the frame 1 and disposed on one side of the transmission shaft 2. The positioning guides 51 are disposed and slid over the first through holes. 322 and the second through hole 422, so that the first seat 3 and the second seat 4 are sleeved on the positioning guide 51 and slide along the positioning guide 51.

Furthermore, the limiting mechanism 5 further includes a fixing base 52 fixed to the seat frame 1. The fixing base 52 has a base 521 and a ring wall 522 extending from the periphery of the base 521, the transmission shaft 2 and the positioning guide 51 Between the two sides of the ring wall 522, the drive shaft 2 rotates relative to the fixed seat 52, and the fixed seat 52 is received in the first recessed slot 311 and the second recessed slot 411.

The chair 10 for adjusting the width of the seat further includes an adjusting mechanism 6 connected to the drive shaft 2 and cooperating with the drive shaft 2. The adjusting mechanism 6 is a manual runner 61, a manual runner 61 and a transmission. The shaft 2 is integrally formed, and the manual runner 61 is exposed on one side of one of the first seat 3 and the second seat 4.

The chair 10 for adjusting the width of the seat further includes two pads 71, one pad 71 is fixed on the inner surface of the first sitting portion 312 and the first abutting portion 313, and the other pad 71 is fixed at the first The inner surfaces of the second seating portion 412 and the second abutting portion 413 are provided with a hip-shaped recessed portion 711. Among them, the hip-shaped recessed area 711 is designed to fit the human buttocks.

The chair 10 for adjusting the width of the seat further includes a lifting mechanism 72 coupled to the seat frame 1 and used to adjust the lifting and lowering of the seat frame 1.

The combination of the chair 10 capable of adjusting the width of the seat, as shown in the first to third figures, is mounted on the seat frame 1 by the drive shaft 2 and is rotatable relative to the seat frame 1, and the outer side of the drive shaft 2 is reversed. To the left-handed thread 21 and the right-handed thread 22; the first seat 3 is sleeved on the drive shaft 2 and screwed along the left-hand thread 21; the second seat 4 is sleeved on the drive shaft 2 and along the right-hand thread 22 is screwed to drive the first seat 3 and the second seat 4 to be close to or away from each other. Thereby, the first seat 3 and the second seat 4 are driven close to or away from each other by the transmission shaft 2 to adjust and define the width of the seat, so that the seat of the chair 10 fits the user's buttocks and provides correction. Sitting position and pelvic function.

The present invention can adjust the use state of the chair 10 of the seat width, as shown in the fourth to fifth figures, wherein the outer side of the drive shaft 2 is provided with a reversely arranged left-hand thread 21 and a right-hand thread 22 to rotate the transmission shaft 2 The left-handed thread 21 of the drive shaft 2 is screwed to the first screw hole 321 and the right-hand thread 22 is screwed to the second screw hole 421, so that the first seat 3 and the second seat 4 are screwed to the drive shaft 2 Therefore, the first seat 3 and the second seat 4 are synchronously driven to approach or away from each other, so that the seat of the chair 10 can be adjusted to match the size of the user's buttocks, so that the first seat 3 and the second seat 4 are fitted together. The buttocks define the sitting position, which in turn provides the function of plastic hips, correcting the pelvis and correcting the sitting posture.

In addition, the creation chair 10 further includes a limiting mechanism 5 for limiting the range of movement of the first seat 3 and the second seat 4. The limiting mechanism 5 includes a positioning guide 51, a first seat 3 and a second seat. 4 sets on the positioning guide 51 and sliding along the positioning guide 51, so that the creation chair 10 can pass through the simple component of the positioning guide 51, that is, the first seat 3 and the second seat 4 can be restricted to follow the transmission shaft 2 In turn, the first seat 3 and the second seat 4 and the transmission shaft 2 are stably screwed and transmitted.

Moreover, the first seat 3 includes a first seat body 31, and the second seat 4 includes a second seat body 41. The first seat body 31 is provided with a first recessed slot 311, and the second base 41 is provided with a second recess. The fixing mechanism 5 further includes a fixing base 52. The fixing base 52 is fixed on the seat frame 1. The fixing base 52 has a base body 521 and a ring wall 522 extending from the periphery of the base body 521, and the transmission shaft 2 and the positioning guide rod 51 are positioned. Between the two sides of the ring wall 522, the fixing seat 52 can be concealed in the first recessed slot 311 and the second recessed slot 411, thereby effectively reducing the volume of the present chair 10 while maintaining the present chair 10 The beauty.

Furthermore, the creation chair 10 further includes an adjustment mechanism 6 connected to the transmission shaft 2 and cooperating with the transmission shaft 2. In this embodiment, the adjustment mechanism 6 is a manual rotation wheel 61, and the manual rotation wheel 61 and the transmission shaft 2 are integrated. Forming, the width between the first seat 3 and the second seat 4 can be adjusted by rotating the manual wheel 61 to achieve the advantage that the chair 10 has the advantage of conveniently adjusting the seat width.

In addition, the first seat body 31 is provided with a first butt-shaped concave curved surface 314, and the second base body 41 is provided with a second hip-shaped concave curved surface 414, the first butt-shaped concave curved surface 314 and the second hip concave concave surface The face 414 is designed to fit the buttocks of the human body, allowing the user to ride the chair 10 to better ergonomics and enhance comfort.

At the same time, compared with the conventional, the traditional seat has a horizontal surface, which causes the seat to give the user the support force concentrated under the buttocks; however, due to the creation of the first butt concave concave surface 314 and the second hip concave arc The face 414 is designed to fit the buttocks of the human body, and can adjust the width between the first seat 3 and the second seat 4 so that the first seat 3 and the second seat 4 give the user a uniform supporting force. It is distributed on the circumference, sides and below of the buttocks to strengthen the function of plastic hip, correcting the pelvis and correcting the sitting posture.

Moreover, the creation chair 10 further includes two pads 71, and the second pads 71 are respectively fixed to the first seat body 31 and the second seat body 41 to increase the softness of the first seat body 31 and the second seat body 41; Moreover, the inner surface of the two pads 71 is jointly provided with a hip-shaped recessed area 711, which is designed to fit the human buttocks, so that the present chair 10 has comfortable riding, ergonomics, and plastic hips. Correct the characteristics of the pelvis and correct sitting posture.

Please refer to the sixth embodiment, which is another embodiment of the present chair. The adjustment mechanism 6 is a motor drive assembly 62. The motor drive assembly 62 can drive the drive shaft 2 to rotate, so that the starter motor drive assembly 62 can be adjusted. The width between the first seat 3 and the second seat 4 is such that the present chair 10 has the advantage of facilitating the adjustment of the seat width.

In addition, the creation chair 10 further includes a battery 8, and the battery 8 and the motor drive assembly 62 are electrically connected to prevent the creation chair 10 from being restricted by the power cord, thereby facilitating the placement or moving to any place in the room. The creation chair 10 has good usability and decorative features.

Please refer to the seventh embodiment, which is a further embodiment of the present invention. The chair 10 further includes a seat back 91 and a pair of armrests 92. The seat back 91 is coupled to the chair frame 1 and corresponds to the first seat 3. And one side of the second seat 4 is disposed; the two armrests 92 are connected to the seat frame 1 and are disposed on two sides of the first seat 3 and the second seat 4, thereby enhancing the riding comfort of the present chair 10.

In summary, the chair with adjustable seat width can achieve the intended purpose of use, and solve the lack of knowledge, and has industrial utilization, novelty and progress, and fully meets the requirements of new patent applications. To file an application in accordance with the Patent Law, please check and grant the patent in this case to protect the rights of the creator.

10‧‧‧ Chair

1‧‧‧ Chair frame

2‧‧‧ drive shaft

21‧‧‧left-hand thread

22‧‧‧Right thread

3‧‧‧First seat

31‧‧‧ first body

311‧‧‧First recessed slot

32‧‧‧First Actuator

321‧‧‧First screw hole

4‧‧‧Second seat

41‧‧‧Second body

411‧‧‧Second recessed slot

42‧‧‧Second Actuator

421‧‧‧Second screw hole

52‧‧‧ Fixed seat

521‧‧‧ base

522‧‧‧ Ring wall

6‧‧‧Adjustment agency

61‧‧‧Manual runner

62‧‧‧Motor drive components

71‧‧‧ cushion

711‧‧‧ Hip-shaped depression

72‧‧‧ Lifting mechanism

Claims (17)

A chair that adjusts the width of the seat, including:
a chair frame
a drive shaft mounted on the frame and rotatable relative to the frame, the drive shaft is externally provided with a left-handed thread and a right-handed thread in a reverse configuration;
a first seat is sleeved on the drive shaft and screwed along the left-hand thread; and a second seat is sleeved on the drive shaft and screwed along the right-hand thread to synchronously drive the The first seat and the second seat are close to or away from each other. The chair of the adjustable seat width of claim 1, further comprising a limiting mechanism for limiting the range of movement of the first seat and the second seat, the limiting mechanism being coupled to the seat frame . The chair of the adjustable seat width of claim 2, wherein the limiting mechanism comprises at least one positioning guide rod mounted on the seat frame and disposed on one side of the transmission shaft, the first The seat and the second seat are sleeved on the positioning guide and slide along the positioning guide. The chair of the adjustable seat width of claim 3, wherein the first seat comprises a first seat body and a first actuating member fixed to the bottom of the first seat body, the first actuating member a first screw hole and a second through hole, the second seat body includes a second seat body and a second actuating member fixed to the bottom of the second seat body, the second actuating member is provided with a second actuating member a second screw hole and at least one second through hole, the left-hand thread of the transmission shaft is corresponding to the first screw hole and the right-hand thread is screwed to the second screw hole, and the positioning guide rod is pierced and slid The first through hole and the second through hole. The chair of the adjustable seat width of claim 4, wherein the limiting mechanism further comprises a fixing base fixed to the seat frame, the fixing base has a base body and a ring extending from a periphery of the base body The drive shaft and the positioning guide are positioned between the two sides of the ring wall, and the drive shaft rotates relative to the fixed seat. The chair of the adjustable seat width of claim 5, wherein the first seat body is provided with a first recessed slot, and the second base body is provided with a second recessed slot, the first actuating member is fixed at The bottom of the first recessed slot is fixed to the bottom of the second recessed slot, and the mount is receivable in the first recessed slot and the second recessed slot. The adjustable seat width chair of claim 1 further comprising an adjustment mechanism coupled to the drive shaft and cooperating with the drive shaft. The chair of the adjustable seat width according to claim 7, wherein the adjusting mechanism is a manual rotating wheel, the manual rotating wheel and the driving shaft are integrally formed, and the manual rotating wheel is exposed to the first seat and the first One side of one of the two chairs. The chair of the adjustable seat width of claim 7, wherein the adjustment mechanism is a motor drive assembly that is capable of driving the drive shaft to rotate. The chair of the adjustable seat width of claim 9, further comprising a battery, the battery and the motor drive assembly being electrically connected. The chair of the adjustable seat width of claim 1, wherein the first seat comprises a first seat, the second seat comprises a second seat, the first seat has a first bearing a seat portion, the second seat body has a second seat portion, and a first abutting portion and a second portion are respectively extended on one side of the outer circumference of the first seat portion and the second seat portion Abutment. The chair of the adjustable seat width of claim 11, wherein the first sitting portion and the inner side of the first abutting portion are jointly provided with a first butt-shaped concave curved surface, the second sitting portion and the The inner side of the second abutting portion is jointly provided with a second hip-shaped concave curved surface. The chair of the adjustable seat width of claim 11, further comprising two pads, wherein the pad is fixed on the inner surface of the first seat portion and the first abutting portion, and the other A gasket is fixed to the inner surfaces of the second seating portion and the second abutting portion. The chair of the adjustable seat width as claimed in claim 13, wherein the inner surfaces of the two pads are jointly provided with a hip-shaped recessed area. The chair of the adjustable seat width of claim 1, further comprising a lifting mechanism for adjusting the lifting of the seat frame, the lifting mechanism being coupled to the chair frame. The chair of the adjustable seat width of claim 1, further comprising a seat back coupled to the seat frame and configured on a side of the first seat and the second seat. The chair of the adjustable seat width according to claim 1, further comprising a pair of armrests connected to the chair frame and disposed on two sides of the first seat and the second seat.