CN221511377U - Chair with adjustable mechanism for sitting and standing - Google Patents

Abstract

The utility model provides a seat with a seat adjustable mechanism, which comprises a seat cushion, a seat backrest, a seat adjusting mechanism, a seat chassis and a seat foot plate, wherein the seat backrest is vertically arranged at the rear position of the seat cushion, the seat adjusting mechanism for adjusting the height and the inclination angle of the seat cushion is arranged at the bottom of the seat cushion, the seat cushion is connected with the seat chassis through the seat adjusting mechanism, and the bottom of the seat chassis is rotationally connected with the seat foot plate. The utility model can realize the adjustment and switching of two use states of sitting posture and standing posture, is healthier, avoids long-time sitting fatigue, can comfortably support the standing posture, and can adjust the height and angle of the seat cushion when in the standing posture according to the use requirement.

Description

Chair with adjustable mechanism for sitting and standing

Technical Field

The utility model relates to the field of lifting chairs, in particular to a chair with a sitting-standing adjustable mechanism.

Background

In modern life, the seat plays an important role both in a company and in a home, but for most office chairs or study chairs, only has a sitting function; from a physiological perspective, a person standing for a long time is overloaded in legs and is tired, and a person sitting for a long time is also tired or tired. With the improvement of life quality of people, a simple sitting function gradually cannot meet the pursuit of comfort of sitting by modern people, but in the crowd sitting for a long time, it seems that the white collar of an office and students in school sit for the longest time, and almost all the time of sitting for work or learning all the day by all the hour, so that the adjustment of the posture is difficult, and not only is the fatigue easily generated by people, but also the body is easily affected. The solution to this problem is preferably to allow alternating "sitting" and "standing" of the person.

Most existing seats have only sitting functions, people feel uncomfortable or tired after sitting for a long time, and various diseases such as hypomnesis, headache, dizziness, lumbar vertebra, cervical vertebra and the like can be caused by insufficient cerebral blood supply, weight of the whole body pressing on the bottom end of the vertebra and the like, so that the existing seats are unfavorable to the body.

The existing seat has the following defects:

(1) The existing seats are not high enough to provide standing seating.

(2) Some chairs can realize standing postures, but do not have the function of a normal seat, and the seat cushion cannot be inclined, so that the standing postures are uncomfortable.

There is a need for a seat with a seat adjustable mechanism that solves the above-mentioned problems.

Disclosure of utility model

The utility model provides a seat with a sitting position adjustable mechanism, which solves the problem that the existing seat has single function by performing technical transformation on the existing seat.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a seat with sit station adjustable mechanism, includes seat cushion, seat back, seat station adjustment mechanism, seat chassis and seat foot dish, and the seat back is vertical to be set up in seat cushion rear position, and the seat cushion bottom installation is provided with the seat station adjustment mechanism that is used for adjusting the height and the inclination of seat cushion, seat cushion passes through seat station adjustment mechanism and links to each other with the seat chassis, the seat chassis bottom rotates with the seat foot dish to be connected.

Preferably, a seat lifting cylinder is arranged between the seat chassis and the seat foot plate, and a bottom cylinder line control switch for controlling the seat lifting cylinder is further arranged at the bottom of the seat chassis.

Preferably, the seat station adjustment mechanism comprises a seat cushion mounting plate, an upper support rod, a lower support rod, a telescopic assembly, a chassis support and a seat station adjustment wire control switch, wherein the upper surface of the seat cushion mounting plate is fixedly connected with the seat cushion, a support rod mounting seat is arranged on the bottom surface of the seat cushion mounting plate, the chassis support is horizontally mounted on the seat chassis, a first mounting position and a second mounting position are arranged on the chassis support, the first mounting position is positioned at the upper left position of the second mounting position, a third mounting position and a fourth mounting position are arranged on the support rod mounting seat, the third mounting position is positioned at the upper left position of the fourth mounting position, the upper support rod is hinged between the first mounting position and the third mounting position, the lower support rod is hinged between the second mounting position and the fourth mounting position, the upper end of the telescopic assembly is hinged on the support rod mounting seat, the lower end of the telescopic assembly is hinged on the chassis support, and the bottom of the chassis support is provided with the adjustment wire control switch for controlling the telescopic assembly to stretch.

Preferably, the telescopic component is any one of a gas spring, a telescopic hydraulic cylinder or an electric push rod.

Preferably, the bottom of the seat cushion is fixedly provided with a fixed seat, an inner hole in the horizontal direction is formed in the fixed seat, a telescopic pipe which moves linearly along the inner hole of the fixed seat is movably arranged in the fixed seat, the tail end of the telescopic pipe is rotatably provided with a foot support, and the seat backrest is rotatably arranged on the seat chassis.

Preferably, the connecting line of the first installation position and the third installation position and the connecting line of the second installation position and the fourth installation position are arranged in parallel, and the steering tilting mechanism for controlling the tilting angle of the seat cushion is arranged on the seat cushion mounting plate, and the seat cushion mounting plate is connected with the seat cushion through the steering tilting mechanism.

Preferably, the steering tilting mechanism comprises a tilting gas spring, a seat cushion plate shaft, a tilting upper shaft, a supporting block, a tilting control switch and a tilting lower shaft, wherein the seat cushion plate is hinged to one end of a seat cushion mounting plate through the seat cushion plate shaft, the seat cushion plate is connected with the seat cushion, the tilting gas spring is arranged between the seat cushion plate and the seat cushion mounting plate, the upper end of the tilting gas spring is hinged to the other end of the seat cushion plate, which is away from the seat cushion shaft, of the bottom surface of the seat cushion plate through the tilting upper shaft, the lower end of the tilting gas spring is hinged to the middle position of the upper surface of the seat cushion mounting plate through the tilting lower shaft, the tilting control switch for controlling the tilting gas spring to stretch and retract is arranged on the seat cushion mounting plate, and the supporting block for supporting the seat cushion plate is also arranged on the upper surface of the seat cushion mounting plate.

Preferably, the steering tilting mechanism comprises a spring, a seat cushion plate, a wire rope, a clamp spring, a movable shaft, a pin, a connecting shaft, an upper seat and a tilting control switch, wherein the upper seat is installed on a seat cushion mounting plate, the right end of the upper seat is provided with a latch, the bottom surface of the seat cushion plate is provided with a locking tooth seat, the left side surface of the locking tooth seat is provided with teeth meshed with the latch of the upper seat, the connecting shaft is horizontally installed in an inner cavity of the upper seat, the connecting shaft passes through the setting of the locking tooth seat, the movable shaft is movably installed in an inner hole of the locking tooth seat, the left end of the movable shaft passes through the inner cavity of the connecting shaft, the left side of the spring is abutted against the right side surface of the inner hole of the locking tooth seat, the right side of the spring is arranged at the right end of the connecting shaft in a meshing manner through the clamp spring, the locking tooth seat is provided with a pin hole, the connecting shaft is provided with an elliptical hole, the pin hole is formed in the moving shaft, the pin sequentially passes through the pin hole, the elliptical hole and the mounting hole, the right end of the wire rope is connected to the right end of the moving shaft, and the other end of the wire rope is connected with the tilting control switch arranged on the seat cushion.

Preferably, the middle position of the front end of the seat cushion is provided with a protruding part, the left side and the right side of the front end of the seat cushion are provided with downward inclination angles, when the seat cushion is lifted and inclined, the thigh and the back angle of a human body are 120-135 degrees, and the edge of the seat cushion is higher than the inside of the seat cushion.

Preferably, the seat back is also fixedly provided with a seat waist pad, and the seat waist pad is movably connected with the seat back through a flexible shaft so that the seat waist pad can rotate up and down relative to the seat back.

The utility model has the beneficial effects that:

The seat adjusting mechanism is arranged between the seat cushion and the seat chassis, and can adjust the height and the inclination angle of the seat cushion, and the seat adjusting mechanism adjusts the telescopic component through the seat adjusting wire control switch to drive the seat cushion to lift and incline, so that the adjustment and the switching of two use states of sitting posture and standing posture are realized.

When in a standing state, the seat cushion is in an inclined state, so that the thighs and the upper trunk of a human body form 120-135 degrees, the standing state accords with ergonomics, is healthier, avoids sedentary fatigue, can comfortably support the standing state, and can adjust the height and the angle of the seat cushion when in the standing state according to use requirements.

When sitting postures and standing postures are alternated, the cushion is lifted and inclined in a linkage relation, and only one operation is needed, so that the operation is simple and convenient.

Drawings

FIG. 1 is a schematic view of a simple seat according to embodiment 1 of the present utility model;

FIG. 2 is a schematic view showing a sitting posture and sectional structure of a simple seat according to embodiment 1 of the present utility model;

Fig. 3 is a schematic view showing a sectional structure of a simple seat structure in a standing posture state according to embodiment 1 of the present utility model;

FIG. 4 is a view showing a sitting posture using state of the embodiment 2 of the present utility model;

FIG. 5 is a schematic view showing a standing posture using state according to embodiment 2 of the present utility model;

FIG. 6 is a schematic view of a station adjustment mechanism of the present utility model;

FIG. 7 is a schematic cross-sectional view of a station adjustment mechanism of the present utility model;

FIG. 8 is a diagram showing a structure of a lying state of a lift chair with a lying function according to embodiment 3 of the present utility model;

FIG. 9 is a schematic view of a steering tilting mechanism according to embodiment 4 of the present utility model;

FIG. 10 is a schematic view showing the structure of the steering tilting mechanism according to embodiment 4 of the present utility model when it is lifted;

FIGS. 11 and 12 are schematic views showing the steering tilting mechanism of embodiment 5 of the present utility model when it is lowered and raised;

FIG. 13 is a schematic view showing a steering tilting mechanism according to embodiment 5 of the present utility model;

FIG. 14 is a schematic view of the structure of a seat cushion of the present utility model;

FIG. 15 is a schematic view of the lumbar pad structure of the present utility model;

FIG. 16 is a schematic cross-sectional view of a station adjustment mechanism according to another embodiment 6 of the present utility model;

Reference numerals illustrate: the seat cushion 1, the seat armrest 11, the seat armrest support frame 12, the fixed seat 13, the telescopic tube 14, the foot rest 15, the protruding part 16, the seat lumbar pad 17, the flexible shaft 18, the seat back 2, the seat cushion adjusting mechanism 3, the seat cushion mounting plate 301, the upper support rod 302, the lower support rod 303, the telescopic component 304, the chassis bracket 305, the seat cushion adjusting wire control switch 306, the first mounting position 307, the second mounting position 308, the third mounting position 309, the fourth mounting position 310, the sitting posture support post 311, the limit groove 312, the seat chassis 4, the seat foot rest 5, the seat lifting cylinder 6, the bottom cylinder wire control switch 7, the steering tilting mechanism 8, the tilting gas spring 801, the seat cushion plate 802, the seat cushion plate shaft 803, the tilting upper shaft 804, the support block 805, the tilting control switch 806, the tilting lower shaft 807, the upper seat 808, the spring 809, the wire rope 810, the clamp spring 811, the moving shaft 812, the pin 813, the connecting shaft 814, the pin hole 815, the elliptical hole 816, and the mounting hole 817.

Detailed Description

The details of the present utility model are described below in conjunction with the accompanying drawings and examples.

Referring to fig. 1-3, embodiment 1 provides a seat with a seat adjustable mechanism, and a seat with a seat adjustable mechanism, comprising a seat cushion 1, a seat back 2, a seat adjustable mechanism 3, a seat chassis 4 and a seat foot plate 5, wherein the seat back 2 is vertically arranged at the rear position of the seat cushion 1, the seat adjustable mechanism 3 for adjusting the height and the inclination angle of the seat cushion 1 is arranged at the bottom of the seat cushion 1, the seat cushion 1 is connected with the seat chassis 4 through the seat adjustable mechanism 3, and the bottom of the seat chassis 4 is rotationally connected with the seat foot plate 5.

The bottom of the seat chassis 4 is rotationally connected with the seat foot plate 5 through installation modes such as a rotary cylinder, a bearing, a ball or clearance fit and the like.

Further, as shown in fig. 4 to 5, in another embodiment 2, in order to obtain the seat lifting function, a seat lifting cylinder 6 is provided between the seat bottom chassis 4 and the seat foot pan 5, and a bottom cylinder drive-by-wire switch 7 for controlling the seat lifting cylinder is further provided at the bottom of the seat bottom chassis 4. The height of the seat chassis 4 is adjusted through the bottom cylinder line control switch 7, so that the seat sitting posture state using height is adjusted, and users with different heights can use the seat conveniently.

The seat pan is primarily intended to allow the back to be reclined, typically around 20, and locked in several positions, such as 100, 105, 110, three positions.

Further, the seat cushion 1 is further provided with a seat armrest 11 and a seat armrest support frame 12, the seat armrest support frame 12 is fixedly installed at a position below the seat cushion 1, and the seat armrest 11 is fixedly installed on the seat armrest support frame 12. The armrest 11 and the armrest support frame 12 combine to form an armrest structure.

The armrest support frame 12 is fixedly installed below the seat cushion 1 and is lifted along with the seat cushion 1, in another embodiment, the armrest support frame 12 can be installed on the backrest and is not lifted along with the seat cushion 1, and the armrest support frame is selected according to the use requirement.

Further, as shown in fig. 6-7, in order to realize that the seat adjusting mechanism 3 can adjust and switch between the sitting posture and the standing posture, the seat adjusting mechanism 3 includes a seat cushion mounting plate 301, an upper support rod 302, a lower support rod 303, a telescopic component 304, a chassis support frame 305 and a seat adjusting wire control switch 306, the upper surface of the seat cushion mounting plate 301 is fixedly connected with the seat cushion 1, a support rod mounting seat is arranged on the bottom surface of the seat cushion mounting plate 301, the chassis support frame 305 is horizontally mounted on the seat chassis 4, a first mounting position 307 and a second mounting position 308 are arranged on the chassis support frame 305, the first mounting position 307 is positioned at the upper left position of the second mounting position 308, a third mounting position 309 and a fourth mounting position 310 are arranged on the support rod mounting seat, the third mounting position 309 is positioned at the upper left position of the fourth mounting position 310, the upper support rod 302 is hinged between the first mounting position 307 and the third mounting position 309, the lower support rod is hinged between the second mounting position 308 and the fourth mounting position 310, the upper end of the telescopic component 304 is hinged at the third mounting position 309, the telescopic component 304 is hinged at the upper end of the second mounting position 308, and the telescopic component is hinged at the bottom of the telescopic component 304 is hinged at the bottom of the telescopic component mounting seat support frame 308 for adjusting. In another embodiment 6, as shown in fig. 16, the upper end of the telescopic assembly 304 is hinged at the third mounting position 309, the lower end of the telescopic assembly 304 is hinged on the lower support rod 303, or the upper end and the lower end of the telescopic assembly 304 are hinged at other positions of the upper support rod 302 and the lower support rod 303, respectively, or the upper end of the telescopic assembly 304 is hinged on the upper support rod 302, and the lower end is hinged at the second mounting position 308.

Further, the telescopic component 304 is any one of a gas spring 809, a telescopic hydraulic cylinder or an electric push rod.

The adjustment drive-by-wire switch controls the telescopic assembly 304 to stretch out and draw back to provide lifting power, the both ends of the telescopic assembly 304 are respectively hinged between the second mounting position 308 and the third mounting position 309, the upper supporting rod 302 is hinged between the first mounting position 307 and the third mounting position 309, the lower supporting rod 303 is hinged between the second mounting position 308 and the fourth mounting position 310, the connecting line between the upper supporting rod 302 and the mounting position of the telescopic assembly 304 and the connecting line between the lower supporting rod 303 and the mounting position of the telescopic assembly 304 are formed into two triangular structures, when the triangular structures change in side length, the triangular shapes and angles change, namely, when the telescopic assembly 304 stretches out, the third mounting position 309 rises under the action of the telescopic assembly 304, the upper supporting rod 302 axially rotates around the first mounting position 307, the seat cushion mounting plate 301 rises along with the rising, one end of the lower supporting rod 303 is connected to the second mounting position 308, the other end of the fourth mounting position 310 is connected to the seat cushion mounting plate 301, the seat cushion 301 is inclined in the rising process, and the seat cushion mounting plate 301 is inclined in the rising process, and the rising angle and the seat cushion mounting plate 301 is inclined more greatly. When the seat cushion mounting plate 301 is lifted, the telescopic assembly 304 drives the seat cushion mounting plate 301 to lift under the action of internal compressed air pressure or electric thrust by a selective hydraulic cylinder and through the control of the adjustment drive-by-wire switch, the adjustment drive-by-wire switch can be released at any time in the lifting process when the cylinder reaches the longest limiting length, the telescopic assembly 304 is locked and can not stretch out and draw back any more, a stable triangle structure is formed among the upper support rod 302, the lower support rod 303 and the telescopic assembly 304, and supporting force is provided for the standing state. When the seat cushion descends, the wire control switch is turned on, a certain pressure is applied to the seat cushion, or the telescopic assembly 304 is compressed back to a sitting posture state under the action of the gravity of a human body.

Further, in order to obtain a better supporting effect, the upper surface of the chassis support 305 is provided with a sitting posture support column 311, a limiting groove 312 is provided at the bottom of the lower support 303 opposite to the position of the sitting posture support column 311, and when the lower support 303 is kept horizontal, the sitting posture support column 311 is clamped with the limiting groove 312. The sitting position support column 311 will provide support for the seat adjustment mechanism 3 in the sitting position.

Further, in order to obtain the function of use in the lying position, as shown in fig. 8, in another embodiment 3, a fixed seat 13 is fixedly mounted at the bottom of the seat cushion 1, an inner hole in the horizontal direction is formed in the fixed seat 13, a telescopic tube 14 that moves linearly along the inner hole of the fixed seat 13 is movably mounted in the fixed seat 13, a foot rest 15 is rotatably mounted at the end of the telescopic tube 14, and the seat back 2 is rotatably mounted on the seat chassis 4. The angle of the back recline, and thus the locking function, can be adjusted by adjusting the seat pan 4. The embodiment can enable the backrest to be inclined to 160 degrees backwards through adjusting the seat chassis, so that the reclining chair is convenient to lie flat. The foot rest 15 is partially stored at the bottom of the seat cushion 1 in a normal use state, the use of the sitting posture and the standing posture is not influenced, when the lying posture is needed, the telescopic pipe 14 which can do linear motion in the inner hole of the fixed seat 13 is pulled out, the foot rest 15 is arranged at the tail end of the telescopic pipe 14 through a rotating shaft, and then the foot rest 15 is rotated and adjusted, so that the foot rest 15 is in an upward state for use.

Further, as shown in fig. 9 to 10, in another embodiment 4, the line connecting the first mounting position 307 and the third mounting position 309 and the line connecting the second mounting position 308 and the fourth mounting position 310 are arranged in parallel with each other, and the seat cushion mounting plate 301 is provided with a steering tilting mechanism 8 for controlling the tilting angle of the seat cushion 1, and the seat cushion mounting plate 301 is connected to the seat cushion 1 through the steering tilting mechanism 8.

Because the connection lines of the first mounting position 307 and the third mounting position 309 and the connection lines of the second mounting position 308 and the fourth mounting position 310 are parallel to each other, when the telescopic assembly 304 is controlled to be telescopic and drive the seat cushion 1 to lift by adjusting the wire control switch, the seat cushion mounting plate 301 always keeps a horizontal state to lift, and then the inclination angle of the seat cushion 1 is adjusted by the steering and inclination mechanism 8.

Further, in order to realize that the inclination angle of the seat cushion 1 can be adjusted, the steering and tilting mechanism 8 comprises a tilting gas spring 801, a seat cushion plate 802, a seat cushion plate shaft 803, a tilting gas spring 801, a tilting upper shaft 804, a supporting block 805, a tilting control switch 806 and a tilting lower shaft 807, wherein the seat cushion plate 802 is hinged to one end of the seat cushion mounting plate 301 through the seat cushion plate shaft 803, the seat cushion plate 802 is connected with the seat cushion 1, the tilting gas spring 801 is mounted between the seat cushion plate 802 and the seat cushion mounting plate 301, the upper end of the tilting gas spring 801 is hinged to the other end of the bottom surface of the seat cushion plate 802 away from the seat cushion shaft 803 through the tilting upper shaft 804, the lower end of the tilting gas spring 801 is hinged to the middle position of the upper surface of the seat cushion mounting plate 301 through the tilting lower shaft 807, the tilting control switch 806 for controlling the telescoping function of the tilting gas spring 801 is mounted on the seat cushion mounting plate 301, and the supporting block 805 for supporting the seat cushion 802 is mounted on the upper surface of the seat cushion mounting plate 301.

The two ends of the inclined air spring 801 are respectively connected with the seat cushion plate 802 and the seat cushion mounting plate 301 through an inclined upper shaft 804 and an inclined lower shaft 807, and when the inclined air spring 801 is controlled to extend by the inclined control switch 806, the seat cushion plate 802 rotates upward around the seat cushion shaft 803 to form an inclined angle with the seat cushion mounting plate 301.

When the tilt control switch 806 controls the tilt gas spring 801 to shorten, the seat cushion plate 802 rotates downward about the seat cushion shaft 803, the seat cushion plate 802 is kept horizontal, and the bottom of the seat cushion plate 802 is disposed in abutment with the support block 805, so that the seat cushion 1 is kept in a sitting posture.

Further, as shown in fig. 11-13, in another embodiment 5, the steering tilting mechanism 8 includes a spring 809, a seat cushion plate 802, a steel wire 810, a clamp spring 811, a moving shaft 812, a pin 813, a connecting shaft 814, an upper seat 808, and a tilt control switch 806, where the seat cushion mounting plate 301 is mounted with the upper seat 808, the right end of the upper seat 808 is provided with a latch, the bottom surface of the seat cushion 802 is provided with a locking tooth seat, the left side surface of the locking tooth seat is provided with teeth meshed with the latch of the upper seat 808, the inner cavity of the upper seat 808 is horizontally mounted with the connecting shaft 814, the connecting shaft 814 passes through the locking tooth seat, the moving shaft 812 is movably mounted in the inner hole of the locking tooth seat, the left end of the moving shaft 812 passes through the inner cavity of the connecting shaft 814, the left side of the spring 809 is in contact with the right side surface of the inner hole of the locking tooth seat, the spring 809 is arranged on the right end of the connecting shaft 814 in a snap-fit manner so that the locking tooth seat 808 is in a meshed manner, the locking tooth seat 808 is provided with a pin hole 815, the connecting shaft 814 is provided with an elliptical hole 816, the moving shaft 814 is provided with a mounting hole 817, the mounting hole 817 is sequentially connected with the steel wire cable 810 from the inside the inner hole of the locking tooth seat 808, and the other end of the wire is connected with the right end of the tilt control switch 810.

The steel wire rope 810 is pulled by the tilt control switch 806, so that the upper seat 808 drives the movable shaft 812 to move rightwards against the force of the spring 809, the seat cushion plate 802 and the movable shaft 812 are connected through the pin 813, when the seat cushion plate 802 moves, the seat cushion plate 802 and the upper seat 808 are separated, the seat cushion plate 802 is rotated by hand at the moment to incline, the pin 813 moves in an elliptical hole of the connecting shaft 814, the length of the elliptical hole is the moving distance of the seat cushion plate 802, and when the tilt control switch 806 is loosened, the seat cushion plate 802 and the upper seat 808 are meshed under the action of the force of the spring 809, so that the tilt angle of the seat cushion plate 802 is completely locked.

As shown in fig. 14, the middle position of the front end of the seat cushion 1 is provided with a bulge 16, when the seat cushion is lifted and inclined, the human body is prevented from sliding downwards, the left side and the right side of the front end of the seat cushion 1 are provided with downward inclination angles, and when the seat cushion 1 is lifted and inclined, the thigh and back angles of the human body are 120 degrees to 135 degrees, so that the seat is more comfortable. The edge is higher than the inner part, so that the sliding is prevented, and the sitting is more comfortable.

The seat back 2 is also provided with a waist cushion 17, the waist cushion 17 is movably connected with the seat back 2 through a flexible shaft 18 as shown in fig. 15, the seat back can rotate up and down, the seat and the station are more comfortable, the seat back and the legs are 90 degrees, the station is 120 degrees, and the contact point of the seat back is changed, so that the seat back needs to rotate up and down. When the seat waist pad 17 is inclined and lifted, the seat waist pad 17 can rotate up and down around the flexible shaft 18 according to the actual position of a human body, so that the seat waist pad 17 can be better contacted with the human body.

The seat station adjusting mechanism 3 can be arranged on one side of the seat lifting cylinder 6 according to design requirements, the chassis is arranged on the other side of the seat chassis 4, and the seat station adjusting mechanism 3 and the seat chassis 4 are arranged at the lower position of the seat cushion 1.

The seat adjusting mechanism is arranged between the seat cushion and the seat chassis, the seat adjusting mechanism can adjust the height and the inclination angle of the seat cushion, and the seat cushion is driven to lift and incline by adjusting the telescopic component through the seat adjusting wire control switch, so that the adjustment and the switching of two use states of sitting posture and standing posture are realized.

When in a standing state, the seat cushion is in an inclined state, so that the thighs and the upper trunk of a human body form 120-135 degrees, the standing state accords with ergonomics, is healthier, avoids sedentary fatigue, can comfortably support the standing state, and can adjust the height and the angle of the seat cushion when in the standing state according to use requirements.

When sitting postures and standing postures are alternated, the cushion is lifted and inclined in a linkage relation, only one operation is needed, and the operation is simple and convenient.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or can be connected through an intermediate medium, and can be communication between two elements or interaction relationship between two elements. The specific meaning of the above terms in the present utility model will be understood by those skilled in the art in specific cases.

Claims (9)

1. The seat with the seat adjustable mechanism is characterized by comprising a seat cushion, a seat backrest, a seat adjusting mechanism, a seat chassis and a seat foot plate, wherein the seat backrest is vertically arranged at the rear position of the seat cushion;

The seat station adjustment mechanism comprises a seat cushion mounting plate, an upper supporting rod, a lower supporting rod, a telescopic component, a chassis support and a seat station adjustment wire control switch, wherein the upper surface of the seat cushion mounting plate is fixedly connected with the seat cushion, a supporting rod mounting seat is arranged on the bottom surface of the seat cushion mounting plate, the chassis support is horizontally mounted on the seat chassis, a first mounting position and a second mounting position are arranged on the chassis support, the first mounting position is positioned at the left upper position of the second mounting position, a third mounting position and a fourth mounting position are arranged on the supporting rod mounting seat, the third mounting position is positioned at the left upper position of the fourth mounting position, the upper supporting rod is hinged between the first mounting position and the third mounting position, the lower supporting rod is hinged between the second mounting position and the fourth mounting position, the upper end of the telescopic component is hinged on the supporting rod mounting seat, the lower end of the telescopic component is hinged on the chassis support, and the bottom of the chassis support is provided with the adjustment wire control switch for controlling the telescopic component to stretch out and draw back.

2. A seat with a seat station adjustable mechanism according to claim 1, wherein a seat lift cylinder is provided between the seat pan and the seat foot pan, and a bottom cylinder drive-by-wire switch for controlling the seat lift cylinder is also provided on the seat pan bottom.

3. The seat with the adjustable seating mechanism of claim 1, wherein the telescoping assembly is any one of a gas spring, a telescoping cylinder, or an electric push rod.

4. The seat with the adjustable mechanism for the sitting position of claim 1, wherein the bottom of the seat cushion is fixedly provided with a fixed seat, an inner hole in the horizontal direction is formed in the fixed seat, a telescopic tube which moves linearly along the inner hole of the fixed seat is movably arranged in the fixed seat, the tail end of the telescopic tube is rotatably provided with a foot rest, and the seat back is rotatably arranged on the seat chassis.

5. A seat with adjustable mechanism for sitting position according to claim 1, wherein the connecting lines of the first mounting position and the third mounting position and the connecting lines of the second mounting position and the fourth mounting position are parallel to each other, and the seat cushion mounting plate is provided with a steering tilting mechanism for controlling the tilting angle of the seat cushion, and the seat cushion mounting plate is connected to the seat cushion by the steering tilting mechanism.

6. The seat with the seat station adjustable mechanism according to claim 5, wherein the steering and tilting mechanism comprises a tilting gas spring, a seat cushion plate shaft, a tilting upper shaft, a supporting block, a tilting control switch and a tilting lower shaft, the seat cushion plate is hinged to one end of a seat cushion mounting plate through the seat cushion plate shaft, the seat cushion plate is connected with the seat cushion, the tilting gas spring is mounted between the seat cushion plate and the seat cushion mounting plate, the upper end of the tilting gas spring is hinged to the other end of the bottom surface of the seat cushion plate away from the seat cushion plate shaft through the tilting upper shaft, the lower end of the tilting gas spring is hinged to the middle position of the upper surface of the seat cushion mounting plate through the tilting lower shaft, the tilting control switch for controlling the tilting gas spring to stretch and retract is mounted on the seat cushion mounting plate, and the supporting block for supporting the seat cushion plate is also mounted on the upper surface of the seat cushion mounting plate.

7. The seat with the adjustable mechanism for the sitting station according to claim 5, wherein the steering tilting mechanism comprises a spring, a seat cushion plate, a steel wire rope, a clamp spring, a moving shaft, a pin, a connecting shaft, an upper seat and a tilting control switch, the upper seat is installed on the seat cushion mounting plate, the right end of the upper seat is provided with a clamping tooth, the bottom surface of the seat cushion plate is provided with a locking tooth seat, the left side surface of the locking tooth seat is provided with teeth meshed with the clamping tooth of the upper seat, the connecting shaft is horizontally installed in an inner cavity of the upper seat, the connecting shaft penetrates through the locking tooth seat, the moving shaft is movably installed in an inner hole of the locking tooth seat, the left end of the moving shaft penetrates through the inner cavity of the connecting shaft and is in contact with the right side surface of the inner hole of the locking tooth seat, the right side of the spring is arranged at the right end of the connecting shaft in a clamping mode through the clamp spring in a clamping mode, the locking tooth seat is meshed with the upper seat, a pin hole is formed in the connecting shaft, the pin is sequentially penetrated through the pin hole, the elliptical hole and the mounting hole from outside to inside, the right end of the moving shaft is fixedly connected with the other end of the moving shaft, and the steel wire rope is connected with the steel wire rope and the tilting control switch is installed on the steel wire rope.

8. The seat with the adjustable mechanism for the sitting position of claim 1, wherein the middle position of the front end of the seat cushion is provided with a convex part, the left side and the right side of the front end of the seat cushion are provided with downward inclination angles, the thigh and the back angle of a human body are 120 degrees to 135 degrees when the seat cushion is lifted and inclined, and the edge of the seat cushion is higher than the inside of the seat cushion.

9. The seat with the adjustable mechanism of the sitting position according to claim 1, wherein a seat waist cushion is fixedly arranged on the seat backrest, and the seat waist cushion is movably connected with the seat backrest through a flexible shaft.