CN113142897A

CN113142897A - Multifunctional chair

Info

Publication number: CN113142897A
Application number: CN202110319576.4A
Authority: CN
Inventors: 杨中仁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-07-23
Anticipated expiration: 2041-03-25
Also published as: CN113142897B

Abstract

A multifunctional chair relates to the field of chairs and comprises a chair mechanism, a rocking and rotating mechanism, a lifting mechanism and a driving motor. The seat mechanism comprises a base frame, a backrest support frame, foot rests, a plurality of linkage rods and a first telescopic rod. The shaking and rotating mechanism comprises a rotating chassis and a rotating sheet. The driving motor is electrically connected with the first telescopic rod and the lifting mechanism and is fixed above the rotating chassis. The rotating sheet is parallel to the horizontal plane and connects the rotating shaft of the driving motor with the bottom end of the base frame. The rotating chassis is rotatably connected with the lifting mechanism. One end of the linkage rod is in a barb shape and is clamped and fixed on the foot rest, and the linkage rod is fixedly connected with the backrest support frame. The backrest support frame, the foot rest and the linkage rods are arranged in the base frame. The telescopic end of the telescopic rod I is connected to the foot rest, and the fixed end of the telescopic rod I is connected to the base frame. The invention has diversified functions, small occupied space and low cost.

Description

Multifunctional chair

Technical Field

The invention relates to the field of seats, in particular to a multifunctional chair.

Background

Children need chairs with different functions during the growth process. When the child is younger, the child needs to shake for pacifying, otherwise the parent can hold the child and shake all the time, so that physical burden and inconvenience in movement of the parent are aggravated. When a child can eat supplementary food or a baby meal, a high dining chair is often needed for convenient feeding. When a child sits and sleeps, the child is often required to face a parent to have a relatively safe feeling, so that a chair capable of changing the facing direction is very required. However, the existing chair has a simple structure, cannot meet various requirements, requires parents to purchase various types of chairs, and is high in cost and large in occupied space. At present, some devices combine functions of shaking, soothing, changing directions and the like, but often occupy more space, and are inconvenient to store and use in small space.

For example, the invention of the invention patent application publication No. CN112339838A, publication No. 2021, 2/9, the title of the invention is a two-seat intelligent electric baby carriage, which comprises a first seat, a second seat, a frame mechanism, a chassis mechanism, and an armrest frame, wherein the first seat and the second seat can automatically adjust the pitch angle, so that the two seats can always keep horizontal, the two seats can provide a comfortable sitting and lying space for infants, the backrest angle of the first seat can be adjusted, the seat plate height of the second seat can be adjusted, the frame mechanism and the two seats can be connected by a modular quick-plug structure, the height adjustment and circumferential rotation of the two seats can be realized, and the transverse cradle function of the two seats can also be realized, the frame mechanism and the armrest frame are both fixedly connected with the chassis mechanism, four wheels of the chassis mechanism are all independently suspended, the intelligent control system not only can play the cradle music for the infant, but also enables parents to easily realize the control of the baby carriage through the handrail frame. Although the cradle can enable the infant to sit and lie down and has the function of cradle, the whole cradle occupies a large space, is suitable for all the limitations of the application field, and the cost is greatly improved by an intelligent operating system and the like, so that the cradle is not economical and practical.

Disclosure of Invention

The multifunctional chair overcomes the problems that the existing seat capable of swinging occupies a large space under various functions, is limited in applicable places and high in cost, and provides the multifunctional chair which is diversified in functions, small in occupied space and low in cost.

In order to achieve the above purpose, the invention is realized by the following technical scheme:

a multifunctional chair comprises a chair mechanism, a rocking and rotating mechanism, a lifting mechanism and a driving motor; the seat mechanism comprises a base frame, a backrest support frame, foot rests, a plurality of linkage rods and a first telescopic rod; the shaking rotating mechanism comprises a rotating chassis and a rotating sheet; the driving motor is electrically connected with the first telescopic rod and the lifting mechanism and is fixed above the rotating chassis; the rotating sheet is parallel to the horizontal plane and connects the rotating shaft of the driving motor with the bottom end of the base frame; the rotating sheet is driven by the rotating shaft to drive one end of the base frame to repeatedly rise and fall, and the other end of the base frame relatively repeatedly falls and rises to enable the base frame to integrally shake; the rotating chassis is rotationally connected with the lifting mechanism; one end of the linkage rod is in a barb shape and is clamped and fixed on the foot rest, and the other end of the linkage rod is fixedly connected with the backrest support frame; the backrest support frame, the foot rest and the plurality of linkage rods are arranged in the base frame; the telescopic end of the first telescopic rod is connected to the foot rest, and the fixed end of the first telescopic rod is connected to the base frame; when the angle between the foot rest and the horizontal plane is changed by contracting or extending the telescopic rod, the plurality of linkage rods drive the backrest support frame to change the same angle.

The driving motor can drive the rotating sheet through the rotating shaft, and drive power is provided for the first telescopic rod and the lifting mechanism, so that the design is simpler in structure, and the cost for installing a plurality of motors is saved. The backrest support frame and the foot stool are connected with each other through the linkage rods, so that the angle linkage change of the backrest support frame and the foot stool can be realized only by one telescopic rod, the cost of the telescopic rod is reduced, and the occupied space is also reduced. And back support frame, foot rest, a plurality of gangbar set up in base frame, and when telescopic link compression was minimum, back support frame, foot rest, a plurality of gangbar all were located base frame, and space utilization is high, and whole occupation position is little. This multifunctional chair both can wave and realize that children pacify, can change the angle of chair again and let children sit or crouch, still realizes the change of chair direction through the rotation between rotation chassis and the elevating system, and elevating gear makes the not desk of co-altitude of chair adaptation through going up and down moreover, and the function is diversified and is taken up the space and little and with low costs when.

Preferably, one end of the rotating sheet is arranged on the rotating shaft on one side of the driving motor, and the other end of the rotating sheet is connected to the bottom end of the base frame on one side of the telescopic rod in the telescopic direction.

The chair can swing back and forth under the drive of the motor, so that the effect of pacifying children is achieved.

Preferably, the rotating sheet comprises a connecting sheet and an adjusting sheet which are connected with each other, a motor connecting hole is formed in one end, away from the adjusting sheet, of the connecting sheet, and a frame connecting hole is formed in one end, away from the connecting sheet, of the adjusting sheet; the motor connecting hole is sleeved on a rotating shaft of the driving motor; the bottom inboard of base frame one side is equipped with the loop bar, the frame connecting hole cover is established on the loop bar.

The angle of the adjusting sheet and the connecting sheet can be adjusted to adjust the shaking amplitude of the chair.

Preferably, the rocking and rotating mechanism further comprises two ear plate groups which are respectively rotatably arranged on the rotating chassis, and each ear plate group comprises two ear plates which are oppositely arranged; the two ear plates are respectively connected to two sides of the base frame in the telescopic direction of the telescopic rod.

The chair can be more stably shaken due to the arrangement, and the base frame is not easy to incline during shaking.

Preferably, two ear plates oppositely arranged in the two ear plate groups are connected with each other through ear plate rods.

Therefore, the ear plates which are oppositely arranged can be synchronous, and the stability of the rocking of the chair is ensured.

Preferably, the backrest support frame comprises two support sheets and a support rod, wherein the support sheets are provided with three connecting ends, one connecting end of each support sheet is respectively and rotatably connected to one end of the base frame, which is positioned on two sides of the telescopic rod in the telescopic direction, the second connecting ends of the two support sheets are respectively fixed at two ends of the support rod, and the third connecting ends of the two support sheets are fixed on the backrest; the other ends of the plurality of linkage rods are fixedly connected to the supporting rods.

The backrest support frame is driven by the linkage rod, and the angle change of the back cushion fixed on the connecting ends III of the two support sheets is realized through the rotation between the connecting ends I of the two support sheets and the base frame.

Preferably, the foot rest comprises two fixed plates which are respectively fixed at the other ends of the base frame at the two sides of the telescopic rod in the telescopic direction, two telescopic shears with one ends respectively rotatably connected to the fixed plates, two supporting plates respectively rotatably connected to the other ends of the two telescopic shears, and a connecting rod for connecting the two telescopic shears; the two supporting plates are used for placing the foot rest pads; one ends of the barb-shaped linkage rods are clamped and fixed on the connecting rods; the telescopic end of the first telescopic rod is fixed on the connecting rod; the connecting rod is not at the same height with the fixed end of the first telescopic rod.

Under the action of the telescopic rod, the two telescopic shears extend or retract to change the angle of the foot rest pad.

Preferably, the linkage rods are uniformly connected between the support rod and the connecting rod.

Therefore, the linkage rod drives the backrest support frame to change the angle more stably, and the backrest support frame is not easy to be driven to be inclined.

Preferably, the other end of the first telescopic rod is fixed in the middle of the connecting rod.

This allows the stand to be extended or retracted without skewing.

Preferably, the lifting mechanism comprises an upper frame, a lower frame, a plurality of scissor frames arranged between the upper frame and the lower frame, a second telescopic rod connected between the upper frame and the lower frame in a diagonal manner, and a fixed chassis arranged on the upper frame; the second telescopic rod is electrically connected with the driving motor; the telescopic rod II is driven by the driving motor to stretch and retract, so that the scissor type frame is lifted to drive the upper frame to lift; the fixed chassis is rotationally connected with the rotating chassis.

The arrangement enables the height of the chair to be adjusted, and the chair is convenient to adapt to tables with different heights.

The invention has the advantages that:

(1) this multifunctional chair both can wave and realize that children pacify, can change the angle of chair again and let children sit or crouch, still realizes the change of chair direction through the rotation between rotation chassis and the elevating system, and elevating gear makes the not desk of co-altitude of chair adaptation through going up and down moreover, and the function is diversified.

(2) The driving motor can drive the rotating sheet through the rotating shaft, and drive power is provided for the first telescopic rod and the lifting mechanism, so that the design is simpler in structure, and the cost for installing a plurality of motors is saved.

(3) The backrest support frame and the foot stool are connected with each other through the linkage rods, so that the angle linkage change of the backrest support frame and the foot stool can be realized only by one telescopic rod, the cost of the telescopic rod is reduced, and the occupied space is also reduced.

(4) The backrest support frame, the foot rest and the linkage rods are arranged in the base frame, when the first telescopic rod is compressed to the minimum, the backrest support frame, the foot rest and the linkage rods are all located in the base frame, the space utilization rate is high, and the whole occupied position is small.

(5) The invention can adjust the shaking amplitude of the chair, and the shaking of the chair is more stable through the action of the two ear plate groups, and the base frame is not easy to incline during shaking.

Drawings

Fig. 1 is an overall view illustrating a multifunctional chair according to the present invention.

Fig. 2 is a schematic view of a chair mechanism of a multifunctional chair according to the present invention.

Fig. 3 is a schematic view of a rocking and rotating mechanism of a multifunctional chair according to the present invention.

Fig. 4 is a schematic view of a lifting mechanism of a multifunctional chair according to the present invention.

In the figure: 11-a base frame, 111-a loop bar, 121-a support piece, 122-a support bar, 131-a fixing plate, 132-a telescopic shear, 1321-a first shear plate, 1322-a second shear plate, 1323-a third shear plate, 1324-a fourth shear plate, 133-a support plate, 134-a connecting rod, 14-a linkage rod, 141-a connecting hole, 15-a first telescopic rod, 2-a drive motor, 21-a rotating shaft, 31-a rotating chassis, 311-a shaft center hole, 3121-a fixing groove, 3122-a handle rod, 3123-a rebound spring, 3124-a locking strip, 321-a connecting piece, 3211-a motor connecting hole, 322-an adjusting piece, 3221-a frame connecting hole, 33-an ear plate, 331-a rotating rod, 34-an ear plate rod, 35-a fixing adjusting plate and 351-an adjusting hole, 41-upper frame, 411-locking plate, 4111-locking bar placing hole, 42-lower frame, 421-roller, 43-scissor frame, 431-scissor column, 44-telescopic rod II, 45-fixed chassis, 451-supporting column, 452-hole groove and 453-ball.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, a multifunctional chair includes a seat mechanism, a rocking and rotating mechanism, a lifting mechanism, and a driving motor 2. The seat mechanism comprises a base frame 11, a backrest support frame, foot rests, a plurality of linkage rods 14 and a first telescopic rod 15. The rocking and rotating mechanism comprises a rotating chassis 31 and a rotating sheet. The driving motor 2 is electrically connected with the first telescopic rod 15 and the lifting mechanism and is fixed above the rotating chassis 31. The rotary piece connects the rotary shaft 21 of the driving motor 2 and the bottom end of the base frame 11 to each other in parallel to the horizontal plane. The rotating sheet is driven by the rotating shaft 21 to drive one end of the base frame 11 to repeatedly rise and fall, and the other end of the base frame 11 relatively repeatedly falls and rises, so that the base frame 11 is integrally shaken. The rotating chassis 31 is rotatably connected with the lifting mechanism. One end of the linkage rod 14 is in a barb shape and is clamped and fixed on a foot rest, and the other end of the linkage rod 14 is fixedly connected with the backrest support frame. The backrest support frame, the foot rest and the linkage rods 14 are arranged in the base frame 11. The telescopic end of the first telescopic rod 15 is connected to the foot rest, and the fixed end of the first telescopic rod is connected to the base frame 11. When the first telescopic rod 15 is contracted or extended to change the angle between the foot rest and the horizontal plane, the plurality of linkage rods 14 drive the backrest support frame to change the same angle.

The driving motor 2 can drive the rotating sheet through the rotating shaft 21, and provides driving power for the first telescopic rod 15 and the lifting mechanism, so that the design is simpler in structure, and the cost for installing a plurality of motors is saved. The backrest support frame and the foot stool are connected with each other through the linkage rods 14, so that the angle linkage change of the backrest support frame and the foot stool can be realized only by one telescopic rod 15, the cost of the telescopic rod is reduced, and the occupied space is also reduced. And the backrest support frame, the foot rest and the plurality of linkage rods 14 are arranged in the base frame 11, when the first telescopic rod 15 is compressed to the minimum, the backrest support frame, the foot rest and the plurality of linkage rods 14 are all located in the base frame 11, the space utilization rate is high, and the whole occupied position is small. This multifunctional chair both can wave and realize that children pacify, and the angle that can change the chair again lets children sit or crouch, still realizes the change of chair direction through the rotation between rotation chassis 31 and the elevating system, and elevating gear makes the not desk of co-altitude of chair adaptation through going up and down moreover, and the function is diversified and is taken up the space and little and with low costs when.

The invention discloses a rocking structure of a multifunctional chair. The rocking and rotating mechanism comprises a rotating chassis 31 and a rotating sheet. The rotary piece connects the rotary shaft 21 of the driving motor 2 and the bottom end of the base frame 11 to each other in parallel to the horizontal plane. Specifically, one end of the rotating sheet is arranged on the rotating shaft 21 on one side of the driving motor 2, and the other end of the rotating sheet is connected to the bottom end of the base frame 11 on one side of the first telescopic rod 15 in the telescopic direction. The rotating sheet is driven by the rotating shaft 21 to drive one end of the base frame 11 to repeatedly rise and fall, and the other end of the base frame 11 relatively repeatedly falls and rises, so that the base frame 11 is integrally shaken.

As shown in fig. 3, the rotating piece includes a connecting piece 321 and an adjusting piece 322 connected to each other, a motor connecting hole 3211 is disposed at one end of the connecting piece 321 far away from the adjusting piece 322, and a frame connecting hole 3221 is disposed at one end of the adjusting piece 322 far away from the connecting piece 321. The motor connecting hole 3211 is sleeved on the rotating shaft 21 of the driving motor 2. The inner side of the bottom end of one side of the base frame 11 is provided with a loop bar 111, and the loop bar 111 is sleeved with the frame connecting hole 3221. The connecting piece 321 is driven by the rotating shaft 21 to rotate, and simultaneously drives the adjusting piece 322 to rotate, the adjusting piece 322 drives one end of the base frame 11 to repeatedly rise and fall through the loop bar 111, and the other end of the base frame 11 relatively repeatedly falls and rises, so that the base frame 11 is integrally shaken. The linear distance between the end of the adjusting sheet 322 far from the connecting sheet 321 and the end of the connecting sheet 321 far from the adjusting sheet 322 is the swing amplitude of the base frame 11. The linear distance between the end of the adjusting piece 322 far away from the connecting piece 321 and the end of the connecting piece 321 far away from the adjusting piece 322 can be changed by changing the angle between the adjusting piece 322 and the connecting piece 321, so that the shaking amplitude of the chair can be adjusted.

The rocking and rotating mechanism further includes two ear plate groups respectively rotatably disposed on the rotating chassis 31, and each of the ear plate groups includes two ear plates 33 disposed oppositely. The two ear plates 33 are respectively connected to two sides of the base frame 11 in the first telescopic direction 15 of the telescopic rod. The two fixed adjusting plates 35 are respectively arranged on two sides of the rotating chassis 31 where the ear plates 33 are arranged, and a plurality of adjusting holes 351 are arranged at two ends of each fixed adjusting plate 35. One side is equipped with dwang 331 on otic placode 33, dwang 331 overlaps and is connected with base frame 11 after establishing in adjustment hole 351. When the angle between the adjusting piece 322 and the connecting piece 321 is adjusted, the position of the adjusting hole 351 sleeved on the rotating rod 331 can be synchronously adjusted. Two lugs 33 arranged opposite one another in the two lug groups are connected to one another by a lug rod 34. The ear plate set makes the chair more stable in rocking, and the base frame 11 is not easy to be inclined in rocking.

As shown in fig. 2, the present invention discloses a seat mechanism of a multifunctional chair. The seat mechanism comprises a base frame 11, a backrest support frame, foot rests, two linkage rods 14 and a first telescopic rod 15. The driving motor 2 is electrically connected with the first telescopic rod 15. One end of the linkage rod 14 is in a barb shape and is clamped and fixed on a foot rest, the other end of the linkage rod 14 is provided with a connecting hole 141, and the connecting hole 141 is fixedly connected with the backrest support frame through a bolt. The backrest support frame, the foot rest and the two linkage rods 14 are arranged in the base frame 11. The telescopic end of the first telescopic rod 15 is connected to the foot rest, and the fixed end of the first telescopic rod is connected to the base frame 11. When the first telescopic rod 15 is contracted or extended to change the angle between the foot rest and the horizontal plane, the two linkage rods 14 drive the backrest support frame to change the same angle.

Specifically, the backrest support frame includes two support sheets 121 having three connection ends and a support rod 122, the connection ends of the two support sheets 121 are respectively rotatably connected to one end of the base frame 11 at two sides in the telescopic direction of the first telescopic rod 15, the connection ends of the two support sheets 121 are respectively fixed to two ends of the support rod 122, and the connection ends of the two support sheets 121 are fixed to the backrest. The other ends of the two linkage rods 14 are fixedly connected to the support rod 122. The other end of the linkage rod 14 is provided with a connecting hole 141, the support rod 122 is provided with a bolt hole corresponding to the connecting hole 141, and the connecting hole 141 and the screw hole are fixed after passing through the bolt. Under the driving of the linkage rod 14, the backrest support frame realizes the angle change of the back cushion fixed on the connecting end III of the two support sheets 121 through the rotation between the connecting end I of the two support sheets 121 and the base frame 11.

Specifically, the foot rest includes two fixing plates 131 respectively fixed to the other ends of the two sides of the base frame 11 located in the telescopic direction of the first telescopic rod 15, two telescopic scissors 132 respectively connected to the fixing plates 131 in a rotating manner at one end, two supporting plates 133 respectively connected to the other ends of the two telescopic scissors 132 in a rotating manner, and a connecting rod 134 connecting the two telescopic scissors 132. The two support plates 133 are used for placing the footrest pads. One barbed ends of the plurality of linkage rods 14 are clamped on the connecting rods 134. The telescopic end of the first telescopic rod 15 is fixed on the connecting rod 134. The connecting rod 134 is not at the same height as the fixed end of the first telescopic rod 15. Under the action of the telescopic rod, the two telescopic shears 132 extend or retract to change the angle of the footrest.

The telescopic shears 132 comprise a first shearing plate 1321, a second shearing plate 1322, a third shearing plate 1323 and a fourth shearing plate 1324, the third shearing plate 1323 and the fourth shearing plate 1324 are rotatably connected with each other, the first shearing plate 1321 and the second shearing plate 1322 are rotatably connected with each other, and the second shearing plate 1322 and the third shearing plate 1323 are rotatably connected with each other. The second shearing plate 1322 and the fourth shearing plate 1324 are rotatably connected to the support plate 133, and the second shearing plate 1322 and the third shearing plate 1323 are connected to the fixing plate 131 at intervals. The rotation connecting points of the third plate shearing 1323 and the fourth plate shearing 1324 are positioned on one side of the second plate shearing 1322 and the third plate shearing 1323, which faces the support plate 133, and the rotation connecting points of the first plate shearing 1321 and the second plate shearing 1322 are positioned on one side of the second plate shearing 1322 and the third plate shearing 1323, which faces the fixed plate 131. When the support plate 133 is vertical, the connection point of the second cut plate 1322 and the support plate 133 is higher than the connection point of the fourth cut plate 1324 and the support plate 133. And the first shearing plate 1321 is an obtuse hook plate, and the connecting rod 134 is connected to one edge of the first shearing plate 1321. When the first telescopic rod 15 is extended, the connecting rod 134 drives the first shearing plate 1321 to push forwards, then the first shearing plate 1321 drives the second shearing plate 1322 to rotate and push forwards, the fourth shearing plate 1324 is driven by pushing the supporting plate 133 to rotate and push forwards, and the fourth shearing plate 1324 drives the third shearing plate 1323 to rotate and push forwards. When the first telescopic rod 15 is contracted, the connecting rod 134 drives the first shearing plate 1321 to retract, then the first shearing plate 1321 drives the second shearing plate 1322 to rotate and retract, the fourth shearing plate 1324 is driven to rotate and retract by pulling the supporting plate 133, and the fourth shearing plate 1324 drives the third shearing plate 1323 to rotate and retract.

Preferably, the two linkage rods 14 are uniformly connected between the support rod 122 and the connecting rod 134. Therefore, the angle of the backrest support frame is more stable when the linkage rod 14 drives the backrest support frame to change the angle, and the backrest support frame is not easy to incline. And the other end of the first telescopic rod 15 is fixed in the middle of the connecting rod 134, so that the stand cannot be inclined when being extended or retracted.

As shown in fig. 4, the present invention discloses a lifting mechanism of a multifunctional chair. The lifting mechanism comprises an upper frame 41, a lower frame 42, two scissor frames 43 arranged between the upper frame 41 and the lower frame 42, a second telescopic rod 44 connected between the upper frame 41 and the lower frame 42 in a diagonal manner, and a fixed chassis 45 arranged on the upper frame 41. The second telescopic rod 44 is electrically connected with the driving motor 2. The second telescopic rod 44 is driven by the driving motor 2 to extend and retract, so that the scissor type frame 43 is lifted and driven to drive the upper frame 41 to lift. Each scissor frame 43 is formed by two scissor posts 431 which are rotatably connected in the middle. The lower frame 42 is provided with four rollers 421.

As shown in fig. 3 and 4, the present invention discloses a rotation structure of a multifunctional chair. The rotating structure comprises a rotating chassis 31, a fixed chassis 45 and an upper frame 41. The rotating chassis 31 is provided with a spindle hole 311. An upward supporting column 451 is arranged at the axle center of the fixed chassis 45. Eight hole grooves 452 are formed in the upper surface of the fixed base plate 45, and a ball 453 is placed in each hole groove 452. The rotating chassis 31 is sleeved on the supporting column 451 of the fixed chassis 45 through the axle center hole 311 and is placed above all the balls 453, and the rotating chassis 31 rotates relative to the fixed chassis 45 through the supporting column 451. The fixed chassis 45 is fixed to the upper frame 41. The rotating chassis 31 is provided with a rotating handle. The upper frame 41 is provided with a plurality of locking devices arranged along the moving path of the rotating handle. The rotating handle comprises a fixing groove 3121 arranged on the rotating chassis 31, and a handle bar 3122 which is arranged on the fixing groove 3121 in a penetrating manner and is perpendicular to the fixing groove 3121. The fixing groove 3121 is provided with a locking bar 3124 toward one end of the locker, and the locking bar 3124 and the handle bar 3122 are connected to each other by a rebound spring 3123. The locker is a locking plate 411 provided with a locking bar placing hole 4111. In the rebound spring 3123, the locking bar 3124 is located in one locking bar seating hole 4111 in a natural state to fix the rotating chassis 31.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A multifunctional chair is characterized by comprising a chair mechanism, a rocking and rotating mechanism, a lifting mechanism and a driving motor; the seat mechanism comprises a base frame, a backrest support frame, foot rests, a plurality of linkage rods and a first telescopic rod; the shaking rotating mechanism comprises a rotating chassis and a rotating sheet; the driving motor is electrically connected with the first telescopic rod and the lifting mechanism and is fixed above the rotating chassis; the rotating sheet is parallel to the horizontal plane and connects the rotating shaft of the driving motor with the bottom end of the base frame; the rotating sheet is driven by the rotating shaft to drive one end of the base frame to repeatedly rise and fall, and the other end of the base frame relatively repeatedly falls and rises to enable the base frame to integrally shake; the rotating chassis is rotationally connected with the lifting mechanism; one end of the linkage rod is in a barb shape and is clamped and fixed on the foot rest, and the other end of the linkage rod is fixedly connected with the backrest support frame; the backrest support frame, the foot rest and the plurality of linkage rods are arranged in the base frame; the telescopic end of the first telescopic rod is connected to the foot rest, and the fixed end of the first telescopic rod is connected to the base frame; when the angle between the foot rest and the horizontal plane is changed by contracting or extending the telescopic rod, the plurality of linkage rods drive the backrest support frame to change the same angle.

2. The multifunctional chair as claimed in claim 1, wherein the rotary piece has one end disposed on the rotary shaft at one side of the driving motor and the other end connected to a lower end of the base frame at one side of the telescopic rod in a telescopic direction.

3. The multifunctional chair according to claim 2, wherein the rotating plate comprises a connecting plate and an adjusting plate which are connected with each other, a motor connecting hole is formed at one end of the connecting plate, which is far away from the adjusting plate, and a frame connecting hole is formed at one end of the adjusting plate, which is far away from the connecting plate; the motor connecting hole is sleeved on a rotating shaft of the driving motor; the bottom inboard of base frame one side is equipped with the loop bar, the frame connecting hole cover is established on the loop bar.

4. The multifunctional chair according to claim 3, wherein said rocking and rotating mechanism further comprises two ear plate sets rotatably disposed on the rotating chassis, respectively, each of said ear plate sets comprising two ear plates disposed oppositely; the two ear plates are respectively connected to two sides of the base frame in the telescopic direction of the telescopic rod.

5. A multifunctional chair as claimed in claim 4, wherein two of said ear plates of said two sets of ear plates, which are oppositely disposed, are connected to each other by an ear plate rod.

6. The multifunctional chair according to claim 1, wherein the backrest support frame comprises two support pieces and a support bar, the support pieces having three connecting ends, one of the connecting ends of the two support pieces is rotatably connected to one of the two sides of the base frame in a telescopic direction of the telescopic bar, the second connecting ends of the two support pieces are respectively fixed to the two ends of the support bar, and the third connecting ends of the two support pieces are fixed to the backrest; the other ends of the plurality of linkage rods are fixedly connected to the supporting rods.

7. The multifunctional chair according to claim 6, wherein the foot rest comprises two fixed plates fixed to the other ends of the base frame at both sides of the telescopic rod in a telescopic direction, two telescopic scissors rotatably connected to the fixed plates at one ends, two support plates rotatably connected to the other ends of the two telescopic scissors, and a connecting rod connecting the two telescopic scissors; the two supporting plates are used for placing the foot rest pads; one ends of the barb-shaped linkage rods are clamped and fixed on the connecting rods; the telescopic end of the first telescopic rod is fixed on the connecting rod; the connecting rod is not at the same height with the fixed end of the first telescopic rod.

8. The multifunctional chair as claimed in claim 7, wherein the linkage rods are uniformly connected between the support rods and the connecting rods.

9. The multifunctional chair as claimed in claim 7, wherein the other end of the first telescopic rod is fixed at the middle of the connecting rod.

10. The multifunctional chair as claimed in claim 1, wherein the elevating mechanism comprises an upper frame, a lower frame, a plurality of scissor frames disposed between the upper frame and the lower frame, a second telescopic rod diagonally connected between the upper frame and the lower frame, and a fixed chassis disposed on the upper frame; the second telescopic rod is electrically connected with the driving motor; the telescopic rod II is driven by the driving motor to stretch and retract, so that the scissor type frame is lifted to drive the upper frame to lift; the fixed chassis is rotationally connected with the rotating chassis.