TWI596056B - Stairway landing seat, pedal synchronous linkage device - Google Patents

Description

Stair lift seat, pedal synchronization linkage

The stair lift seat and the pedal synchronous linkage device of the invention are mainly applied to the linkage device which can simultaneously fold and open the seat and the pedal without bending the waist.

According to the lift chair, which is mounted on the side of the stairs and moved by the track, the lift chair can avoid the trouble and trouble of climbing the stairs for the elderly or those who are inconvenient to move.

Traditionally used stair chair lifts mainly include a seat cushion and a foot pedal, the seat cushion is available for riding, the foot pedal can be stepped on, and the seat cushion and the foot pedal must be folded to save space. However, in the traditionally used chair lift, since the seat cushion and the foot pedal are not provided with linkage devices, the occupant must separately fold and level the seat cushion and the foot pedal, especially the position of the foot pedal is low, resulting in receipt When folding the pedals, it is often necessary to bend over to smoothly fold and level the pedals, which increases the trouble and inconvenience of operation, especially for the elderly or those who are inconvenient to move. The burden and troubles are the problems and lacks that have yet to be solved.

The inventor is currently engaged in the manufacture and design of related products, accumulated many years of practical experience and experience, and actively engaged in the spirit of innovation and improvement in response to the existing problems and lacks of traditional conventional stairlift chairs, and completed the stair lift seat, Pedal synchronization linkage.

Inventing the technical means to solve the problem and the work against the prior art The utility model is characterized in that: a seat pad and a foot pedal are pivoted on the upper and lower parts of the seat frame body, and the seat pad and the foot pedal are provided with a seat shaft and a pedal shaft, the seat The rotating shaft is provided with a torsion spring and a spring seat. The pedal shaft is provided with a crank. The spring seat is provided with a steel cable connected to the linkage device, and the linkage device is attached to the side plate and the lower part of the seat frame body. A lever and an idler wheel are pivoted so that the cable can be fixed around the idler wheel at the middle of the lever, the rear end of the lever is pivotally disposed on the side plate, and the front end of the lever is pivoted with a connecting rod The lower end is pivotally disposed on the crank arm of the crank, and the side plate and the lever are provided with two tension springs between the steel cable and the connecting rod. When the seat cushion is folded, the seat rotating shaft rotates counterclockwise, so that the spring seat The cable can be tightened so that the lever swings downward, and then the crank arm of the crank is driven downward by the connecting rod, and the interlocking device makes the seat cushion and the pedal can be folded simultaneously, when the seat cushion When placed down, the seat shaft rotates clockwise, allowing the spring seat to relax the cable The lever is swung upward, and then the crank arm of the crank is driven upward by the connecting rod, and the interlocking device enables the seat pad and the pedal to be simultaneously lowered. For the elderly or the inconvenient person, there is no need to bend With the waist, it is possible to smoothly fold and flatten the seat pad and the foot pedal, which is easier and more convenient to operate, relieves the burden and avoids troubles, and has an improvement in efficiency, reaching its main purpose.

1‧‧‧Steel cable

2‧‧‧Hose

10‧‧‧Seat frame body

11‧‧‧ front board

12‧‧‧ side panels

13‧‧‧ seat turntable

14‧‧‧ 枢 ear

141‧‧‧ pivot hole

142‧‧‧ screw holes

15‧‧‧ seat shaft

151‧‧‧Perforation

152‧‧‧ screw holes

16‧‧‧ seat swivel sleeve

17‧‧‧Seat pad

18‧‧‧ 枢 ear

181‧‧‧ pivot hole

19‧‧‧ pedal shaft

20‧‧ ‧ spring seat

21‧‧‧ arc hole

22‧‧‧ screw holes

23‧‧‧With holes

24‧‧‧ screw holes

25‧‧‧Arc Department

30‧‧‧ pedals

301‧‧‧Combination hole

31‧‧‧ crank

32‧‧‧Combination hole

33‧‧‧Artic arm

40‧‧‧ linkage device

41‧‧‧Hose fixing sleeve

42‧‧‧ Idler

43‧‧‧Leverage

44‧‧‧ Connecting rod

45‧‧‧ hook hole

46‧‧‧ stretching spring

P‧‧‧ screws

Q‧‧‧shims

C‧‧‧ buckle

N‧‧‧ nuts

S‧‧‧torsion spring

S1‧‧‧ pin

S2‧‧‧ feet

First Figure: A schematic diagram of a three-dimensional combination of the present invention.

The second figure is a perspective exploded view of the present invention.

The third figure is a three-dimensional exploded view of the present invention.

The fourth figure is a schematic diagram of the front view plane combination of the present invention.

The fifth picture is an enlarged view of the E part of the fourth figure.

Figure 6: An enlarged view of Part A of the fourth figure.

Figure 7: An enlarged view of the M section of the fourth figure.

Figure 8 is a perspective view showing the state of use of the synchronous folding of the present invention.

Fig. 9 is a schematic cross-sectional view showing the state of use of the synchronous folding of the present invention.

Fig. 10 is a perspective view showing the state of use of the synchronous flattening of the present invention.

Figure 11 is a schematic cross-sectional view showing the state of use of the synchronous flattening of the present invention.

Twelfth Figure: A perspective view of a three-dimensional combination of another embodiment of the present invention.

In order to make it easier for those skilled in the art to understand the art to understand the construction contents of the present invention and the functional benefits that can be achieved, a specific embodiment will be listed and described in detail as follows: a stair lift seat, The pedal synchronization linkage device, please refer to the first figure: a schematic diagram of the three-dimensional combination of the present invention. As shown in the second and third figures, it is a three-dimensional exploded schematic view of the present invention. And the fourth, fifth, sixth, and seventh figures are: an enlarged view of the front view plane combination of the present invention and the E portion, the A portion, and the M portion of the fourth figure. The utility model mainly comprises: a seat frame body 10, a spring seat 20, a foot pedal 30 and a linkage device 40; wherein: a front plate 11 is arranged in front of the seat frame body 10, and one side of the seat frame body 10 A side plate 12 is disposed, and a seat turntable 13 is disposed above the seat frame body 10. Two left ears 14 are disposed on the left and right sides of the seat turntable 13, and the two pivot ears 14 are provided with two pivot holes 141. The two pivot holes 141 can be pivoted through a seat shaft 15 . The two ends of the seat shaft 15 pass through the two pivot holes 141 of the two pivots 14 and are located on the seat. The two ends of the rotating shaft 15 are respectively provided with two screw holes 152 for locking the two seat shaft sleeves 16 , and the two seat shaft sleeves 16 are provided with two shaft holes 161 in the axial direction, thereby being sleeved on The two ends of the seat shaft 15 are respectively provided with two fish eye holes 162 in the radial direction of the two rotating shaft sleeves 16, so that the two screws P can be inserted into the two fish eyes 162 to fix the two screws of the seat shaft 15 In the hole 152, the bottom surface of the two seat sleeves 16 is fixed by a plurality of screws P to fix a seat pad 17 so that the seat pad 17 is lifted up or down with the seat shaft 15 as an axis. The seat shaft 15 is provided with a through hole 151 corresponding to the inner side of the inner side of the pivoting arm 14 . The through hole 151 can be used for inserting a screw P for locking and fixing a spring seat 20 . A screw hole 142 is disposed at an inner side of the ear 14 , and the screw hole 142 is configured to be provided with a screw P for fixing one end leg S1 of the torsion spring S, and the torsion spring S is sleeved on the seat. In the rotating shaft 15, the other end leg S2 of the torsion spring S is hooked on the bottom surface of the seat pad 17, and the seat pad 17 is folded upward by the elastic force of the torsion spring S, and the seat frame body 10 is lowered. There are two pivoting ears 18 on the left and right sides, and the two pivoting holes 18 are provided with two pivot holes 181, and the two pivoting holes 181 can be pivoted through a pedal shaft 19, and the pedal shaft 19 is outside. And the two buckles C are fastened and fixed by a gasket Q, and the pedals 30 are provided as a pivoting device. The side panel 12 of the seat frame body 10 is provided with a linkage device 40, and the linkage device 40 is utilized. The seat pad 17 and the footboard 30 can be picked up or laid flat in synchronization; the rear of the spring seat 20 is provided with a circular arc hole 21 corresponding to the seat shaft 15 to allow the arc hole 21 of the spring seat 20 It can be embedded in the outside of the seat shaft 15 , and the circular arc hole 21 of the spring seat 20 corresponds to the through hole 151 of the seat shaft 15 . There is a screw hole 22 for a screw P to be fixed in the screw hole 22 of the spring seat 20 through the through hole 151 of the seat shaft 15, so that the spring seat 20 can be locked and fixed to the seat shaft 15, the spring The front of the seat 20 is provided with two through holes 23, and the two through holes 23 are provided for a steel cable 1 to be provided. A screw hole 24 is defined in the middle of the spring seat 20 for locking a screw P and a gasket Q. For the purpose of allowing the cable 1 to pass through a through hole 23, it can be wound around the bottom surface of the spacer Q, and then the screw P is locked and fixed to the cable 1, and the end of the cable 1 is then worn from the other through hole 23. The spring seat 20 is provided with a circular arc portion 25 corresponding to the lower portion of the two through holes 23, so that the steel cable 1 can be smoothly penetrated along the circular arc portion 25, and the steel cable 1 is threaded through a hose 2 The hose 2 extends downward from the seat turntable 13 above the seat frame body 10 to below the side plate 12; the foot pedal 30 is provided with a combination of two non-circular shapes corresponding to the pedal shaft 19 The hole 301, the pedal shaft 19 is provided with a crank 31 corresponding to the linkage device 40. The center of the crank 31 is provided with a non-circular coupling hole 32, so as to be coupled and fixed to the pedal shaft 19 At the side, one side of the crank 31 extends upwardly to provide a curved arm 33 for pivoting integrally with the linkage device 40. The linkage device 40 fixes the hose 2 under the side plate 12 by means of a hose fixing sleeve 41. In the rear position, the side plate 12 is provided with an idler pulley 42 corresponding to the lower position of the hose fixing sleeve 41, so that the cable 1 can be wound around the lower edge of the idler pulley 42. Two sides of the idler pulley 42 are provided with two screws. P, in order to prevent the cable 1 from coming off the lower edge of the idler gear 42, the linkage 40 is provided with a lever 43 at a position above the side plate 12 corresponding to the idler pulley 42, the rear end of the lever 43 being screwed with The nut N is pivotally disposed on the side plate 12 The middle portion of the lever 43 is fixed by the screw P, the spacer Q and the nut N to fix the cable 1. The front end of the lever 43 is pivotally connected with the buckle C to provide a connecting rod 44. The lower end of the 44 is pivotally disposed on the upper end of the crank arm 33 by a screw P and a buckle C. The lever 43 is provided with a hook hole 45 between the cable 1 and the connecting rod 44, and the hook hole 45 can be used for hooking. Two tension springs 46, the upper ends of the two tension springs 46 are hooked on the two screws P of the side plate 12, and when the seat pad 17 is folded upward, the elastic shaft of the torsion spring S drives the seat shaft 15 Rotating counterclockwise, the spring seat 20 can tighten the cable 1 so that the lever 43 swings downward, and then the crank arm 33 of the crank 31 is downwardly swung downward by the connecting rod 44, so that the pedal 30 can be counterclockwise The two tension springs 46 are tightened, and when the seat cushion 17 is laid down, the seat shaft 15 is rotated clockwise by the two seat sleeves 16, so that the spring seat 20 can relax the cable 1 Using the upward stretching force of the two tension springs 46, the lever 43 is swung upward, and then the connecting arm 44 drives the crank arm 33 of the crank 31 upward to swing upward. The footrest 30 can be placed in a clockwise downwards in synchronization with the seat cushion 17.

The present invention, which is a combination of the above-mentioned various component structures, provides a stair lift seat and a pedal synchronization linkage device. In practical application, please refer to the eighth and ninth drawings: the synchronous release of the present invention The three-dimensional and sectional schematic diagram of the state of use. Regardless of the elderly or the inconvenient person, when the stairlift chair is used, the seat pad 17 only needs to be laid down flat, that is, the seat shaft 15 can be rotated clockwise by the two seat pivot sleeves 16, Let the spring seat 20 relax the cable 1 and use the upward stretching force of the two tension springs 46 to cause the lever 43 to swing upward and then the connecting rod 44 The crank arm 33 of the crank 31 is upwardly swung upward, so that the foot pedal 30 can be laid down clockwise in synchronism with the seat cushion 17 to facilitate the elderly or the inconvenient person to ride the stair lift chair.

Please refer to the tenth and eleventh drawings: a schematic diagram of the three-dimensional and sectional views of the use state of the present invention. When the elderly or the inconvenient person arrives at the floor of the destination by taking the stair lift chair, the seat pad 17 only needs to be folded upward, that is, the seat shaft 15 can be driven by the elastic force of the torsion spring S. Rotating counterclockwise, the spring seat 20 can tighten the cable 1 so that the lever 43 swings downward, and then the lower end of the crank arm 32 of the crank 31 is swung downward by the connecting rod 44, and the two tension springs 46 are tightened, so that It is very easy and convenient for the elderly or the inconvenient person to bend the pedal 30 and the seat pad 17 in a counterclockwise direction without bending.

Please refer to FIG. 12 for a perspective view of a three-dimensional combination of another embodiment of the present invention. The stair lift seat and the pedal synchronous interlocking device provided by the present invention, wherein the spring seat 20 and the torsion spring S are disposed at positions of the seat shaft 15 to be mutually adjustable.

In view of the foregoing, the present invention provides a stair lift seat and a pedal synchronization linkage device, which have been verified by the inventors of the actual production and repeated operation tests, and it is confirmed that the functional benefits expected by the present invention can be achieved, and at the same time At present, there is no such thing as the first creation in the workshop, and it has the industrial use value. It is true that it has already met the requirements of the practicality and progress of the invention patent, and applied for the invention patent to the bureau in accordance with the provisions of the Patent Law.

1‧‧‧Steel cable

2‧‧‧Hose

10‧‧‧Seat frame body

11‧‧‧ front board

12‧‧‧ side panels

14‧‧‧ 枢 ear

15‧‧‧ seat shaft

16‧‧‧ seat swivel sleeve

17‧‧‧Seat pad

18‧‧‧ 枢 ear

19‧‧‧ pedal shaft

20‧‧ ‧ spring seat

30‧‧‧ pedals

31‧‧‧ crank

33‧‧‧Artic arm

40‧‧‧ linkage device

41‧‧‧Hose fixing sleeve

42‧‧‧ Idler

43‧‧‧Leverage

44‧‧‧ Connecting rod

46‧‧‧ stretching spring

P‧‧‧ screws

S‧‧‧torsion spring

Claims (3)

A stair lift seat and a pedal synchronous linkage device include: a seat frame body, a spring seat, a foot pedal and a linkage device; wherein: the front frame of the seat frame body is provided with a front plate, the seat frame One side of the body is provided with a side plate, and a seat turntable is disposed above the seat frame body, and two left ears are disposed on the left and right sides of the seat turntable, and the two pivot ears are provided with two pivot holes, and the two The pivot hole is disposed through a pivot shaft of the seat shaft, the two ends of the seat shaft are threaded out of the two pivot holes of the two pivot holes, and two locking sleeve sleeves are sleeved on both ends of the seat shaft The bottom surface of the two seat sleeve sleeves is fixed to a seat cushion plate, and the seat cushion plate is folded upward or downward with the seat shaft as an axis, and the seat shaft corresponds to a pivot inner side A through hole is formed in the radial direction of the side, and a screw can be used for locking and fixing a spring seat. The inner side of the other pivoting ear is provided with a screw hole, and the screw hole can be provided with a screw. As a locking knot, one end of a torsion spring is fixed, and the torsion spring is sleeved in the seat shaft, and the torsion spring is another The end legs are hooked on the bottom surface of the seat cushion, and the seat cushion is folded upward by the elastic force of the torsion spring. The left and right sides of the seat frame body are provided with two pivot ears, and the two pivot ears are provided. The utility model has two pivot holes, wherein the two pivot holes are provided for pivoting a pedal shaft therein, and the foot plate is provided as a pivoting device, and the side plate of the seat frame body is provided with a linkage device; the rear of the spring seat Corresponding to the arc of the seat, a circular arc hole is arranged, so that the arc hole of the spring seat can be embedded outside the seat shaft, and the arc hole of the spring seat is provided with a screw hole corresponding to the perforation of the seat shaft. a perforation lock for a screw passing through the seat shaft is fixed in the screw hole of the spring seat, so that the spring seat can be locked and fixed on the seat shaft, and the front of the spring seat is provided with two through holes. The through hole is for a wire rope, and a screw is arranged in the middle of the spring seat The hole is used as a lock for a screw and a gasket, so that the cable can be wound from a through hole and then wound on the bottom surface of the gasket, and then the locking bolt is locked and fixed to the cable, and the cable end is Passing through another through hole, the cable is threaded through a hose extending downward from the seat turntable above the seat frame body to below the side plate; the foot pedal corresponds to the foot The pedal shaft is provided with two non-circular coupling holes, and the pedal shaft has a crank corresponding to the linkage device, and a center of the crank is provided with a non-circular coupling hole, thereby being fixedly coupled to the pedal shaft On the outer side of the crank, a side of the crank extends upwardly and is provided with a curved arm for pivoting integrally with the linkage device; the linkage device fixes the hose at a rear position below the side plate by using a hose fixing sleeve, The side plate is provided with an idler wheel corresponding to the lower position of the hose fixing sleeve, so that the steel cable can be wound around the lower edge of the idler wheel, and two screws are arranged on both sides of the idler wheel to prevent the cable from coming out from the lower edge of the idler wheel. For use, the linkage is located at a position above the side plate corresponding to the idler There is a lever, the rear end of the lever is pivotally disposed on the side plate, and the middle interlocking of the lever fixes the steel cable, and the front end of the lever is pivoted with a connecting rod, and the lower end of the connecting rod is pivotally disposed on the crank arm of the crank At the upper end, the lever is provided with two hook holes between the steel cable and the connecting rod, and the two hook holes are for hooking two tension springs, and the upper ends of the two tension springs are hooked on the side plates, when the seat cushions When the upward folding is achieved, the elastic force of the torsion spring drives the seat shaft to rotate counterclockwise, so that the spring seat can tighten the cable, so that the lever swings downward, and then the crank arm of the crank downward is swung downward by the connecting rod. Let the pedals be folded counterclockwise in the same direction and tighten the two tension springs. When the seat cushion is laid down flat, the seat shaft rotates clockwise by the two seat sleeves, so that the spring The seat can relax the cable and use the upward stretching force of the two tension springs to make the lever swing upwards, and then The connecting arm upwardly swings the crank arm of the crank upwards, so that the pedal can be leveled downwards in synchronization with the seat pad. According to the stair lift seat and the pedal synchronous linkage device according to claim 1, wherein the spring seat is provided with a circular arc portion corresponding to the lower portion of the two through holes, so that the cable can follow the circular arc portion. Smooth wearer. The stair lift seat and the pedal synchronous interlocking device according to claim 1, wherein the spring seat and the torsion spring are disposed at positions of the seat shaft and can be mutually adjusted.