CN220714192U - Stair climbing machine for carrying wheelchair - Google Patents

Abstract

The utility model relates to the technical field of stair climbing devices, in particular to a stair climbing machine for carrying a wheelchair, which comprises a movable supporting rod and a stair climbing chassis, wherein the movable supporting rod is arranged on the stair climbing chassis in a swinging way, the movable supporting rod is detachably connected with the stair climbing chassis, a wheelchair armrest clamping seat is arranged on the movable supporting rod and is used for clamping the wheelchair, the clamping width and the clamping height of the wheelchair armrest clamping seat are adjustable, and the stair climbing machine for carrying the wheelchair has the effect of reducing travel burden and has the effect of being easy to be compatible with other wheelchairs.

Description

Stair climbing machine for carrying wheelchair

Technical Field

The utility model relates to the technical field of stair climbing devices, in particular to a stair climbing machine for carrying a wheelchair.

Background

In order to realize the stair climbing function of the wheelchair, at present, some wheelchairs are provided with the stair climbing function.

The utility model discloses a multifunctional stair climbing wheelchair as disclosed in chinese patent document with application number CN201320060557.5, including running gear, actuating mechanism, chassis, support and seat main part, actuating mechanism includes main motor, the reduction gear, first linear push rod, the linear push rod of second, the seat main part includes seat board and back of the chair, the support includes mount and rotating turret, mount fixed connection is on the chassis, form parallelogram rotary mechanism between rotating turret and seat board and the back of the chair, first linear push rod one end articulates on the mount, the other end articulates in seat board lower part, second linear push rod one end articulates on the mount, the other end articulates on the rotating turret, this multifunctional stair climbing wheelchair can realize stair climbing function.

However, the stair climbing mechanism of the stair climbing wheelchair in the prior art is integrated with the wheelchair, which has the following defects: when the wheelchair is separated from a scene of going upstairs and downstairs, the wheelchair still always carries the stair climbing mechanism, so that the travel burden is increased; in addition, it is difficult to be compatible with other wheelchairs.

Disclosure of Invention

In order to achieve the effect of reducing travel burden and the effect of being easy to be compatible with other wheelchairs, the application provides a stair climbing machine for carrying wheelchairs.

The utility model provides a stair climbing machine for carrying a wheelchair, which adopts the following technical scheme:

the utility model provides a carry stair climbing machine of wheelchair, includes movable support pole and climbs the building chassis, movable support pole swing sets up climb on the building chassis, movable support pole with can dismantle between the building chassis and be connected, be provided with wheelchair handrail cassette on the movable support pole, wheelchair handrail cassette is used for pressing from both sides tight wheelchair, the tight width of clamp of wheelchair handrail cassette and the tight height-adjustable of clamp.

Preferably, the stair climbing chassis is hinged with an opposite-inserting female block, the lower end of the movable supporting rod is provided with an opposite-inserting male block, and the opposite-inserting female block is connected with the opposite-inserting male block in an opposite-inserting mode.

Preferably, the wheelchair armrest clamping seat comprises a transverse pipe, wheelchair clamps and positioning bolts, wherein the transverse pipe is transversely connected to the movable supporting rods, the number of the wheelchair clamps is two, the two wheelchair clamps are respectively and movably sleeved at two ends of the transverse pipe, and the positioning bolts are used for penetrating through the wheelchair clamps and fixing the wheelchair clamps.

Preferably, the movable supporting rod is provided with a beam block in a sliding manner along the length direction, the transverse tube is fixedly connected to the beam block, the movable supporting rod is provided with a plurality of clamping grooves along the length direction, a clamping block is arranged in the beam block, the clamping block is connected with a spring, the spring enables the clamping block to be automatically clamped into the clamping groove, the clamping block is connected with a control rod, the control rod extends out of the beam block, and the control rod is used for controlling the clamping block to be separated from the clamping groove.

Preferably, a locking component is arranged between the movable supporting rod and the climbing chassis, the locking component comprises a locking rod and an unlocking pedal, the locking rod is hinged to the climbing chassis, a first tension spring is connected between the climbing chassis and the locking rod, the first tension spring controls the locking rod to automatically fasten the movable supporting rod after the lower hem, the unlocking pedal is connected with the locking rod, and the unlocking pedal is used for unlocking the movable supporting rod.

Preferably, an unlocking switch pedal is hinged to the stair climbing chassis, the unlocking switch pedal is located above the unlocking pedal, a pedal stop is fixedly arranged on the stair climbing chassis, the pedal stop is located below the unlocking switch pedal, a second tension spring is connected between the unlocking switch pedal and the stair climbing chassis, and the unlocking switch pedal is controlled by the second tension spring to automatically cover the unlocking pedal.

Preferably, a rear transverse baffle is arranged on the stair climbing chassis, a rotating block is arranged on the movable supporting rod and follows the movable supporting rod to swing, and the rotating block is abutted with the rear transverse baffle in the swinging process of the movable supporting rod.

Preferably, a positioning card is arranged on the stair climbing chassis, the movable supporting rod is provided with a rotating shaft, the rotating shaft swings along with the movable supporting rod, and the rotating shaft is embedded into the positioning card in the process of swinging down the movable supporting rod.

Preferably, the opposite-inserting female block is connected with an opposite-inserting positioning plate, and the opposite-inserting positioning plate is used for positioning the opposite-inserting male block by contacting the outer wall of the movable supporting rod.

Preferably, a hand lever is further arranged at the front end of the stair climbing chassis, and the hand lever is used for a user to lift the stair climbing chassis.

The beneficial effects of the utility model are as follows:

utilize wheelchair handrail cassette to press from both sides tightly to the wheelchair for detachably connect between stair climbing machine and the wheelchair, after the wheelchair breaks away from going upstairs and downstairs scene, need not to carry stair climbing machine, alleviate the trip burden, in addition, because can dismantle between movable support pole and the stair climbing chassis and be connected, consequently, still have the stair climbing demand from top to bottom after reaching the destination when going on a journey, still can dismantle stair climbing machine easily and deposit in the vapour car trunk, can assemble easily after reaching the destination and use, can alleviate the trip burden equally, finally, because the tight width of clamp of wheelchair handrail cassette is adjustable with the tight height of clamp, consequently, stair climbing machine presss from both sides tightly the handrail of wheelchair of different width and different height, reach the effect of easily compatible other wheelchairs.

Drawings

FIG. 1 is an overall block diagram of a stair climbing machine in an embodiment of the present application;

FIG. 2 is a block diagram of a stair climbing chassis in an embodiment of the present application;

FIG. 3 is a block diagram of a movable support bar in an embodiment of the present application;

FIG. 4 is a block diagram of the connection of the stair climbing chassis and the movable support bar in an embodiment of the present application;

FIG. 5 is a block diagram of a locking assembly in an embodiment of the present application;

reference numerals illustrate: 1. a stair climbing chassis; 11. inserting the mother blocks; 12. inserting a positioning plate; 13. a hand lever; 21. a power switch; 22. an electric quantity display screen; 3. fixing the connecting block; 31. a front transverse baffle; 32. a rear transverse baffle; 33. positioning the card; 4. a movable support rod; 41. a rotating block; 42. a rotation shaft; 43. a strap; 44. a clamping groove; 45. inserting the male block; 46. a protective pillow; 5. a wheelchair limit stop lever; 6. a wheelchair armrest clamping seat; 61. a transverse tube; 62. a wheelchair clamp; 63. positioning bolts; 64. a beam block; 65. a control lever; 71. an operation handle; 72. a direction switching key; 73. a click switch; 74. an emergency stop switch; 81. a locking bar; 82. unlocking the pedal; 83. a first tension spring; 91. unlocking the switch pedal; 92. a pedal block; 93. and a second tension spring.

Detailed Description

The utility model will be further described with reference to figures 1-5 and examples.

The embodiment discloses a stair climbing machine for carrying a wheelchair.

Referring to fig. 1, a stair climbing machine for carrying a wheelchair includes a stair climbing chassis 1 and a movable support bar 4. Wherein, the stair climbing chassis 1 is a crawler type stair climbing structure, and the stair climbing chassis 1 is used for providing stair climbing power for the stair climbing machine. The movable supporting rod 4 can swing up and down and is arranged at one end of the climbing floor 1, a locking component is arranged between the movable supporting rod 4 and the climbing floor 1, and the movable supporting rod 4 is used for supporting a wheelchair. In the stair climbing machine of the present embodiment, the wheelchair can be pushed in from the rear end to the front end of the stair climbing machine with the end provided with the movable support bar 4 as the front end.

Referring to fig. 1, the movable supporting rod 4 is sequentially provided with a wheelchair limit stop lever 5 and a wheelchair armrest clamping seat 6 from bottom to top, when the movable supporting rod 4 swings to be perpendicular to the ground, the wheelchair limit stop lever 5 is used for limiting the rear wheel of the wheelchair, the wheelchair armrest clamping seat 6 is used for clamping the wheelchair armrest, and after the wheelchair is pushed in from the rear end to the front end of the stair climbing machine, the back of the wheelchair is required to face the movable supporting rod 4 so as to ensure the normal use of the wheelchair limit stop lever 5 and the wheelchair armrest clamping seat 6.

Referring to fig. 2 and 3, a power switch 21 and an electricity display screen 22 are provided at the front end of the stair climbing chassis 1, so that a user can conveniently control the power switch 21 and observe the remaining electricity at the front end of the stair climbing machine. The top of movable support pole 4 is provided with operating handle 71, angle display screen and direction switch key 72, wherein, operating handle 71 sets up the front side at movable support pole 4, operating handle 71 is used for supplying the user to control the swing angle of movable support pole 4 to and control climbing machine at climbing the building process, angle display screen sets up the top surface at movable support pole 4, the inclination of movable support pole 4 is known to the person of facilitating the use, direction switch key 72 sets up the left side or the right side at movable support pole 4, the person of facilitating the use switches the upstairs and downstairs direction of climbing machine. Further, the operating handle 71 is further provided with a click switch 73, the click switch 73 is used for controlling the stair climbing driving force of the stair climbing chassis 1, when the click switch 73 is continuously pressed, the stair climbing chassis 1 continuously provides the stair climbing driving force, when the click switch 73 is released, the stair climbing chassis 1 stops providing the stair climbing driving force, and a user can conveniently control the stair climbing driving force of the stair climbing chassis 1. In addition, in order to improve the safety in use, the top of the movable supporting rod 4 is also provided with an emergency stop switch 74, and the stair climbing machine can be stopped rapidly by pressing the emergency stop switch 74 in an emergency.

Referring to fig. 4, fixed connection blocks 3 are arranged on the stair climbing chassis 1 at intervals along the left-right direction, and the lower end of a movable supporting rod 4 is hinged between the two fixed connection blocks 3. In order to limit the angle of the upper swing of the movable supporting rod 4, a rear transverse baffle 32 is connected between the rear ends of the two fixed connecting blocks 3, and rotating blocks 41 are respectively arranged on the left side and the right side of the movable supporting rod 4, when the movable supporting rod 4 swings up to a certain angle, the lower ends of the two rotating blocks 41 can be abutted with the rear transverse baffle 32, and finally, the upper swing angle of the movable supporting rod 4 is limited through the blocking of the rear transverse baffle 32 to the rotating blocks 41, and in the embodiment, the rear transverse baffle 32 limits the movable supporting rod 4 to swing up to be perpendicular to the ground at most. In order to limit the angle of the lower hem of the movable supporting rod 4, two positioning cards 33 are erected on the stair climbing chassis 1, the rotating shafts 42 are arranged on the left side and the right side of the lower end of the movable supporting rod 4, the rotating shafts 42 swing along with the movable supporting rod 4, the two positioning cards 33 are respectively located on the lower hem paths of the two rotating shafts 42, after the movable supporting rod 4 is subjected to a certain angle, the two rotating shafts 42 are respectively embedded into the two positioning cards 33, and finally, the limitation of the lower hem angle of the movable supporting rod 4 is realized through the blocking of the positioning cards 33.

Referring to fig. 5, the locking assembly includes a latch lever 81 and an unlocking pedal 82, the latch lever 81 is an F-shaped latch lever 81, in this embodiment, the latch lever 81 is provided with two latch levers 81, both of which are hinged on the stair climbing chassis 1, the hinge shaft of the latch lever 81 is parallel to the hinge shaft of the movable support rod 4, and after the movable support rod 4 is swung down, the rear end of the latch lever 81 can be fastened to the upper end of the rotating block 41 of the movable support rod 4, thereby locking the movable support rod 4 swung down. Further, a connecting rod is connected between the two latch rods 81 to realize synchronous swing, and an unlocking pedal 82 is arranged on the connecting rod, so that the swing process of the two latch rods 81 can be conveniently controlled in a pedal manner. Further, a front transverse baffle 31 is connected between the front ends of the two fixed connecting blocks 3, and a first tension spring 83 is connected between the front transverse baffle 31 and the two locking bars 81. The unlocking pedal 82 and the first tension spring 83 are respectively located in front of and behind the hinge shaft of the latch lever 81, through the above design, the first tension spring 83 can control the movable support rod 4 after the latch lever 81 automatically fastens the lower hem, and by stepping on the unlocking pedal 82, the movable support rod 4 can be quickly unlocked.

Referring to fig. 5, an unlocking switch pedal 91 is further hinged on the stair climbing chassis 1, the unlocking switch pedal 91 is located above the unlocking pedal 82, a pedal stop 92 is fixedly arranged on the stair climbing chassis 1, the pedal stop 92 is located below the unlocking switch pedal 91, and after the unlocking switch pedal 91 is swung down and is lapped on the pedal stop 92, the unlocking switch pedal 91 can be covered on the unlocking pedal 82 to limit a user to tread the unlocking pedal 82. Further, a second tension spring 93 is connected between the unlocking switch pedal 91 and the climbing floor 1, and the unlocking switch pedal 91 is automatically swung down by the second tension spring 93.

Referring to fig. 1, the wheelchair limit stop lever 5 is disposed at the rear side of the lower end of the movable support rod 4, the left and right ends of the wheelchair limit stop lever 5 are bent forward to form an L shape, the L-shaped portion of the wheelchair limit stop lever 5 is used for being abutted with the rear wheel of the wheelchair, and the left and right ends of the wheelchair limit stop lever 5 are designed to be L-shaped with the purpose that: when the rear wheel of the wheelchair is abutted with the wheelchair limiting stop lever 5, the wheelchair can be pushed in a larger distance from the rear end to the front end of the stair climbing chassis 1, so that the wheelchair is pushed in the whole above the stair climbing chassis 1; in addition, when the wheelchair limit stop lever 5 swings downwards along with the movable support rod 4, the wheelchair limit stop lever 5 can bear the weight of the wheelchair. Further, in order to facilitate connection of the wheelchair limit guard, in connection with fig. 4, a concave-shaped strap 43 is provided at the rear side of the lower end of the movable support bar 4.

Referring to fig. 3, the wheelchair armrest clamping seat 6 includes a transverse tube 61, wheelchair clamps 62 and positioning bolts 63, the transverse tube 61 is transversely connected to the front side of the movable support rod 4, the number of the wheelchair clamps 62 is two, the two wheelchair clamps 62 are respectively movably sleeved at the left and right ends of the transverse tube 61, and the positioning bolts 63 are used for penetrating the wheelchair clamps 62 and fixing the wheelchair clamps 62. Clamping grooves are formed in opposite surfaces of the two wheelchair clamps 62, and armrests used for clamping the wheelchair are arranged between the two clamping grooves, and the two wheelchair clamps 62 can be compatible with armrests with different widths due to the fact that the distance between the two wheelchair clamps 62 is adjustable. Further, the front side of the movable support bar 4 is slidably provided with a cross beam block 64 along the length direction, and the center of the cross tube 61 is embedded in and fixedly connected to the top of the cross beam block 64, so that the cross tube 61 can move along the length direction of the movable support bar 4. Further, the front side of the movable supporting rod 4 is provided with a plurality of clamping grooves 44 along the length direction, a clamping block is arranged in the beam block 64 and is connected with a spring, the spring enables the clamping block to be automatically clamped into the clamping groove 44, and the beam block 64 can be fixed on the movable supporting rod 4 through clamping of the clamping block and the clamping groove 44, so that the wheelchair armrest clamping seat 6 is fixed on the movable supporting rod 4. Further, the clamp block is connected with a control rod 65, the control rod 65 extends out from the bottom of the beam block 64, and the clamp block can be controlled to be separated from the clamping groove 44 by the control rod 65, so that the height of the wheelchair armrest clamping seat 6 can be conveniently adjusted, and therefore, the two wheelchair clamps 62 on the wheelchair armrest clamping seat 6 can be compatible with armrests with different heights.

Referring to fig. 2 and 3, in order to realize the detachable of the movable support bar 4 on the stair climbing chassis 1, an opposite insertion female block 11 is hinged between two fixed connection blocks 3 of the stair climbing chassis 1, an opposite insertion male block 45 is arranged at the lower end of the movable support bar 4, and the movable support bar 4 is hinged between two fixed connection blocks 3 of the stair climbing chassis 1 through the opposite insertion of the opposite insertion female block 11 and the opposite insertion male block 45, when the movable support bar 4 is required to be detached, the movable support bar 4 is swung up to a vertical state and the trample of the unlocking pedal 82 is kept, so that the movable support bar 4 can be pulled out upwards, and the stair climbing machine of the utility model is easy to store. Further, in order to ensure accurate insertion of the insertion female block 11 and the insertion male block 45, in connection with fig. 4, the insertion female block 11 is connected with an insertion positioning plate 12, and the insertion positioning plate 12 is used for contacting the rear side surface of the lower end of the movable supporting rod 4, so that the insertion male block 45 of the lower end of the movable supporting rod 4 is accurately inserted into the insertion female block 11 on the climbing floor 1.

Referring to fig. 1, a protection pillow 46 is further provided at the rear side of the upper end of the movable support bar 4, when the stair climbing machine is equipped with a wheelchair, the wheelchair is equipped with a person, and the protection pillow 46 can protect the neck of the person and improve comfort.

Referring to fig. 2, a handle 13 is further installed at the front end of the stair climbing chassis 1, and after the movable support rod 4 is separated from the stair climbing chassis 1, the handle 13 can facilitate people to lift the stair climbing chassis 1, so that the convenience of storage is further improved.

The embodiment also discloses a use method of the stair climbing machine for carrying the wheelchair, which comprises the following steps:

step 1, loading a wheelchair:

lifting the unlocking switch pedal 91 and pressing the unlocking pedal 82 to unlock the movable support rod 4 on the stair climbing chassis 1;

the movable supporting rod 4 is swung up to a state vertical to the ground, and the wheel is pushed into the upper part of the climbing floor 1;

the wheelchair armrests are clamped by adjusting the positions of the transverse tube 61 and the two wheelchair clamps 62 of the wheelchair armrests clamping seat 6;

the unlocking pedal 82 is depressed again, the movable supporting rod 4 drives the wheelchair to swing down to the right position, and then the unlocking pedal 82 is released, so that the movable supporting rod 4 is locked on the stair climbing chassis 1;

step 2, climbing stairs:

covering an unlocking switch pedal 91 on the unlocking pedal 82, turning on a power switch 21 to electrify the whole machine, checking whether a direction switch for going upstairs or downstairs is correct, and then pressing a click switch 73 to enable the stair climbing machine to carry a wheelchair for climbing stairs;

after climbing the stairs to the appointed position, the wheelchair can be detached from the stair climbing machine;

step 3, accommodating:

lifting the unlocking switch pedal 91, pressing the unlocking pedal 82 to unlock the movable support rod 4 on the climbing floor 1, swinging the movable support rod 4 up to a state vertical to the ground, taking care that the pedal 82 is kept to be stepped on at the moment, and then lifting the movable support rod 4 upwards to separate the opposite male block 45 from the opposite female block 11;

finally, the separated movable support rod 4 and the stair climbing chassis 1 are respectively stored.

The foregoing are preferred embodiments of the present utility model, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. A stair climbing machine for carrying a wheelchair, which is characterized in that: including activity bracing piece (4) and climbing building chassis (1), activity bracing piece (4) swing sets up on climbing building chassis (1), activity bracing piece (4) with can dismantle between climbing building chassis (1) and be connected, be provided with wheelchair handrail cassette (6) on activity bracing piece (4), wheelchair handrail cassette (6) are used for pressing from both sides tight wheelchair, the tight width of clamp of wheelchair handrail cassette (6) and the tight height-adjustable of clamp.

2. A wheelchair-carrying stair climbing machine according to claim 1, wherein: the climbing chassis (1) is hinged with an opposite inserting female block (11), the lower end of the movable supporting rod (4) is provided with an opposite inserting male block (45), and the opposite inserting female block (11) and the opposite inserting male block (45) are connected in an opposite inserting mode.

3. A wheelchair-carrying stair climbing machine according to claim 1, wherein: wheelchair handrail cassette (6) are including violently managing (61), wheelchair clamp (62) and locating bolt (63), violently manage (61) transverse connection be in on movable support pole (4), the quantity of wheelchair clamp (62) is two, two wheelchair clamp (62) are respectively movable the cup joint violently manage the both ends of (61), locating bolt (63) are used for passing wheelchair clamp (62) and will wheelchair clamp (62) are fixed.

4. A wheelchair-carrying stair climbing machine according to claim 3, wherein: the movable support rod (4) is provided with a beam block (64) in a sliding mode along the length direction, the transverse tube (61) is fixedly connected to the beam block (64), the movable support rod (4) is provided with a plurality of clamping grooves (44) along the length direction, a clamping block is arranged in the beam block (64), the clamping block is connected with a spring, the spring enables the clamping block to be automatically clamped into the clamping groove (44), the clamping block is connected with a control rod (65), the control rod (65) extends out of the beam block (64), and the control rod (65) is used for controlling the clamping block to be separated from the clamping groove (44).

5. A wheelchair-carrying stair climbing machine according to claim 1, wherein: the movable supporting rod (4) and the climbing chassis (1) are provided with a locking assembly, the locking assembly comprises a locking rod (81) and an unlocking pedal (82), the locking rod (81) is hinged to the climbing chassis (1), a first tension spring (83) is connected between the climbing chassis (1) and the locking rod (81), the first tension spring (83) controls the locking rod (81) to automatically fasten the movable supporting rod (4) after the lower hem, the unlocking pedal (82) is connected with the locking rod (81), and the unlocking pedal (82) is used for unlocking the movable supporting rod (4).

6. A wheelchair-carrying stair climbing machine according to claim 5, wherein: the novel stair climbing device is characterized in that an unlocking switch pedal (91) is hinged to the stair climbing chassis (1), the unlocking switch pedal (91) is located above the unlocking pedal (82), a pedal stop block (92) is fixedly arranged on the stair climbing chassis (1), the pedal stop block (92) is located below the unlocking switch pedal (91), a second tension spring (93) is connected between the unlocking switch pedal (91) and the stair climbing chassis (1), and the unlocking switch pedal (91) is controlled by the second tension spring (93) to be automatically covered on the unlocking pedal (82).

7. A wheelchair-carrying stair climbing machine according to claim 1, wherein: the climbing chassis (1) is provided with a rear transverse baffle (32), the movable supporting rod (4) is provided with a rotary block (41), the rotary block (41) swings along with the movable supporting rod (4), and the rotary block (41) is abutted with the rear transverse baffle (32) in the swinging process of the movable supporting rod (4).

8. A wheelchair-carrying stair climbing machine according to claim 1, wherein: the stair climbing chassis (1) is erected on the stair climbing chassis and is provided with a positioning card (33), the movable supporting rod (4) is provided with a rotating shaft (42), the rotating shaft (42) swings along with the movable supporting rod (4), and in the process of swinging down the movable supporting rod (4), the rotating shaft (42) is embedded into the positioning card (33).

9. A wheelchair-carrying stair climbing machine according to claim 2, wherein: the opposite-inserting female block (11) is connected with an opposite-inserting positioning plate (12), and the opposite-inserting positioning plate (12) is used for positioning the opposite-inserting male block (45) by contacting the outer wall of the movable supporting rod (4).

10. A wheelchair-carrying stair climbing machine according to claim 1, wherein: the front end of the climbing floor (1) is also provided with a hand-held rod (13), and the hand-held rod (13) is used for a user to lift the climbing floor (1).