CN108578090B - Intelligent push chair - Google Patents
Intelligent push chair Download PDFInfo
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- CN108578090B CN108578090B CN201810206671.1A CN201810206671A CN108578090B CN 108578090 B CN108578090 B CN 108578090B CN 201810206671 A CN201810206671 A CN 201810206671A CN 108578090 B CN108578090 B CN 108578090B
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- 230000005540 biological transmission Effects 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003867 tiredness Effects 0.000 description 1
- 208000016255 tiredness Diseases 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1005—Wheelchairs having brakes
- A61G5/1008—Wheelchairs having brakes for gradually slowing down the wheelchair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1005—Wheelchairs having brakes
- A61G5/101—Wheelchairs having brakes of the parking brake type, e.g. holding the wheelchair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1005—Wheelchairs having brakes
- A61G5/1035—Wheelchairs having brakes manipulated by wheelchair user
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1056—Arrangements for adjusting the seat
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1056—Arrangements for adjusting the seat
- A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention relates to an intelligent push chair. The hand brake device comprises a base body, wherein the base body comprises supports located on two sides respectively, idler wheels are arranged at the lower ends of the supports, hand brakes used for controlling the rotation speed of the idler wheels are arranged on the supports, control ropes are arranged on the hand brakes, servo motors are arranged on the supports, rotating shafts of the servo motors are connected with the control ropes in a wound mode, the servo motors are connected with a processor, the processor is connected with a speed sensor, the processor controls the rotation number of the servo motors according to signals fed back by the speed sensor, when the movement speed of a push chair exceeds a certain threshold value, the processor controls the servo motors to rotate, the rotating shafts tighten the control ropes, and the hand brakes brake the idler wheels. The technical scheme can realize speed control, does not need to be operated by people, and is convenient and safe.
Description
Technical Field
The invention relates to an intelligent push chair.
Background
The push chair is widely used as a inconvenient use tool for the body, and when the push chair is used, the push chair is generally pushed by other people in an auxiliary way, however, at present, many users want to travel alone, so that a plurality of electric push chairs also appear; however, when the chair falls down, the chair is usually braked by hands, and long-time manual control inevitably leads to tiredness and unsafe.
Disclosure of Invention
The invention aims to solve the problem of fatigue caused by the fact that a push chair only adopts a hand brake in the prior art, and provides an intelligent push chair which can control the speed and avoid the excessive speed.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an intelligence push chair, its includes the pedestal, and the pedestal is equipped with the gyro wheel including the support that is located both sides respectively, the lower extreme of support is equipped with the manual brake that is used for controlling the gyro wheel rotational speed on the support, and the manual brake is equipped with control rope, be equipped with servo motor on the support, servo motor's pivot and control rope wiring, servo motor are connected with the treater, and the treater is connected with speed sensor, and the treater is according to the signal of speed sensor feedback, controls servo motor's rotation number of turns, and when push chair movement speed exceeded certain threshold value, the treater control servo motor is rotatory, and the taut control rope of pivot, the manual brake brakes the gyro wheel.
Further, a front support rod hinged with the bottom of the support is arranged at the front end of the support, a rear support rod fixedly connected with the bottom of the support is arranged at the rear end of the support, a connecting block is hinged at the upper end of the rear support rod, the upper end of the front support rod and the upper end of the connecting block are respectively hinged with two ends of a fixed plate, a seat plate is connected between the fixed plates on two sides, an adjusting part is downwards extended from the lower end of the connecting block on at least one side, and a plurality of clamping holes are formed in the adjusting part; the rear support rod is connected with a movable piece matched with the clamping hole, and the movable piece can move relative to the rear support rod.
Further, the inner side faces of the fixing plates at two sides are connected with leaning rod assemblies, each leaning rod assembly comprises leaning rods, and connecting rods or/and leaning plates are connected between the leaning rods at two sides.
Preferably, the front end of the bracket is also provided with a middle supporting rod hinged with the bottom of the bracket, and the upper end of the middle supporting rod is hinged with the middle part of the connecting block.
Further, be connected with the connecting pipe between the bracing piece behind the both sides, the inside piping channel that is equipped with of connecting pipe, the moving part include with the card hole cooperation and be located the contact pin of connecting pipe tip, the side of connecting pipe be equipped with the removal groove of piping channel intercommunication, the end connection of contact pin has the connection lug, and the removal groove is stretched out to the one end of connection lug.
Further, a rotating body is arranged in the middle of the connecting pipe, a connecting piece is arranged between one end, close to the connecting lug, of the rotating body and the corresponding connecting lug, and the connecting piece is connected with the rotating body and the connecting lug respectively.
Preferably, the connecting piece is a connecting piece, and two ends of the connecting piece are respectively hinged with the rotating body and the connecting convex block.
Preferably, an elastic piece for pushing the contact pin towards the corresponding clamping hole is arranged in the connecting pipe.
Preferably, one end of the rotating body extends downward with an L-shaped foot pedal.
Further, the bottom of the bracket comprises two cross beams which are respectively positioned at two sides, and a plurality of longitudinal beams are arranged between the two cross beams.
Further, the lower end of the leaning rod is connected with a middle connecting piece, the middle connecting piece is hinged with the fixed plate through a hinge shaft, at least one of the middle connecting pieces is connected with an adjusting piece, the adjusting piece is provided with an adjusting block extending towards the direction of the fixed plate, the adjusting block can move relative to the middle connecting piece, and the fixed plate is provided with at least one clamping groove matched with the adjusting block; the leaning rod is connected with a control piece, the control piece is connected with the adjusting piece through a transmission piece and controls the adjusting block to be inserted into or removed from the clamping groove.
Further, the intermediate connecting piece includes the upper end and leans on the fixed casing that the pole is connected, the regulating part includes the rotatory piece that articulates with fixed casing, and rotatory piece is equipped with connecting portion and regulating part, and connecting portion are connected with the driving medium, and regulating part is connected with the regulating part, and fixed casing is connected with the elastic component that is used for rotatory piece to reset.
Further, the driving part is a pull rope, the control part is a control block hinged or sleeved with the leaning rod, the control block is connected with the pull rope, and the rotating block is provided with a fixing hole connected with the pull rope.
Another variation as a movable member:
the middle part of back bracing piece is equipped with the perforation, the perforation of corresponding back bracing piece is passed respectively at the both ends of movable part, preferably, be equipped with the elastic component that is used for pushing the tip of movable part to the card hole in the perforation. Still preferably, the end of the movable member is provided with a catching protrusion for insertion into the catching hole.
Preferably, both ends of the movable piece are respectively connected with a limiting block for limiting the moving range of the movable piece.
The beneficial effect of this technical scheme, this technical scheme can realize speed control, need not the people and operates, convenient safety.
Drawings
Fig. 1 is a schematic diagram of a control hand brake.
Fig. 2 is a schematic view of a structure of a push chair with a side frame with rollers removed.
Fig. 3 is a schematic view of the structure of fig. 2 with one side connector removed.
Fig. 4 is a schematic diagram of another view of fig. 2.
Fig. 5 is a schematic view of another structure of the push chair with the rollers removed from the side frame.
Fig. 6 is a schematic diagram of another view of fig. 5.
FIG. 7 is a schematic view of a construction of the recliner assembly.
Fig. 8 is another view of fig. 7.
Fig. 9 is a schematic view of a structure of the removed face-piece of fig. 8.
Fig. 10 is another view of fig. 8.
Reference numerals: 1-a rear support rod; 2, longitudinal beams; 3-a clamping hole; 4, connecting blocks; 5-front connector; 6-an intermediate support bar; 7-front support bar; 8-a fixed plate; 9, a seat board; 10-leaning rod; 11-backing plate; 12-connecting pipe; 13—a connector; 14-a rotating body; 15-L-shaped foot pedals; 16—connection bumps; 17-pins; 18—a movement slot; 19—perforation; 20-a control member; 21-bottom shell; 22-face shell; 23—a stationary housing; 24-a rotating block; 25-through holes; 26—an adjustment block; 27-fixing holes; 81-a clamping groove; 31-a clip projection; 32—a movable member. 100-roller; 101-hand brake; 102-a servo motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
See fig. 1-10; the utility model provides an intelligence push chair, its includes the pedestal, and the pedestal is including the support that is located both sides respectively, and the lower extreme of support is equipped with gyro wheel 100, is equipped with the manual brake 101 that is used for controlling gyro wheel 100 rotational speed on the support, and manual brake 101 is equipped with control rope, be equipped with servo motor 102 on the support, servo motor 102's pivot and control rope wiring, servo motor 102 are connected with the treater, and the treater is connected with speed sensor, and the treater is according to the signal of speed sensor feedback, controls servo motor 102's rotation number of turns, and when push chair movement speed exceeded certain threshold value, the rotation of treater control servo motor 102, the taut control rope of pivot, manual brake 101 braking gyro wheel 100.
According to the technical scheme, the existing hand brake 101 is adopted, the working state of the hand brake 101 is controlled through a rotating winding control line of a servo motor 102, when the movement speed of the push chair exceeds a certain threshold value, the hand brake 101 is controlled to brake, and the push chair is decelerated; when the movement speed of the push chair is reduced until the movement speed is lower than a threshold value, the servo motor 102 is reversed, the hand brake 101 is relaxed, and the push chair moves forwards; if it is always below the threshold, the servo motor 102 is not operated. When the push chair works, the push chair can be always in a low-speed safety state. The processor and the speed sensor can all adopt the prior art.
See fig. 2, 3; further, a front support rod 7 hinged with the bottom of the support is arranged at the front end of the support, a rear support rod 1 fixedly connected with the bottom of the support is arranged at the rear end of the support, a connecting block 4 is hinged at the upper end of the rear support rod 1, the upper end of the front support rod 7 and the upper end of the connecting block 4 are respectively hinged with two ends of a fixed plate 8, a seat plate 9 is connected between the fixed plates 8 at two sides, an adjusting part is downwards extended from the lower end of the connecting block 4 at least at one side, and a plurality of clamping holes 3 are formed in the adjusting part; the rear support rod is connected with a movable piece matched with the clamping hole 3, and the movable piece can move relative to the rear support rod.
The seat board 9 of the seat body supports the fixed board 8 through the front support bar 7, the rear support bar 1, the connecting block 4 and the middle support bar 6; wherein, two ends of the fixed plate 8 are respectively hinged with the front supporting rod 7 and the connecting block 4, the positions of the front supporting rod 7 and the connecting block 4 determine the position and the angle of the fixed plate 8, and the position and the angle of the seat plate 9; according to the technical scheme, the four-bar linkage mechanism is skillfully applied to the angle adjustment of the seat body, the front supporting rod 7, the fixed plate 8, the connecting block 4 and the hinge point of the front supporting rod 7 and the support, and the hinge point of the connecting block 4 and the rear supporting rod 1 in the technical scheme form a four-bar linkage mechanism (hinge four-bar linkage mechanism), the movement of the connecting block 4 in the four-bar linkage mechanism is controlled by the movable piece, so that the shape of the four-bar linkage mechanism and the position of the fixed plate 8 are also controlled by the movable piece, and in the control process, the angle of the fixed plate 8 can be changed under the control of the movable piece, so that the angle of the seat plate 9 connected with the fixed plate 8 can be adjusted, and the angle adjustable effect of the seat body is achieved.
Further, the inner side surfaces of the fixing plates 8 on two sides are connected with leaning rod assemblies, each leaning rod assembly comprises leaning rods 10, and connecting rods or/and leaning plates 11 are connected between the leaning rods 10 on two sides.
The leaning rod component is arranged, so that the seat body is more comfortable and convenient to use. Next, since the reclining lever assembly is connected to the fixing plate 8, the reclining lever 10 is also accompanied by the angle adjustment when adjusting the angle of the seat plate 9. Therefore, the aim of adjusting the angle of the leaning rod 10 can be achieved by adjusting the angle of the seat plate 9, and the chair is suitable for users walking on the push chair to adjust the angle of the leaning rod 10.
Preferably, the front end of the bracket is also provided with a middle supporting rod 6 hinged with the bottom of the bracket, and the upper end of the middle supporting rod 6 is hinged with the middle part of the connecting block 4.
In the specific implementation, the rear supporting rod 1 is obliquely arranged, and the connecting block 4 is obliquely arranged; because the connection mode of the connecting block 4 and the rear supporting rod 1 is in a lever structure, after the seat plate 9 bears the gravity, the upper end of the connecting block 4 bears the thrust, and the distance L1 from the hinge position of the connecting block 4 and the fixed plate 8 to the hinge position of the connecting block 4 and the rear supporting rod 1 is larger than the distance L2 from the clamping hole 3 of the connecting block 4 to the hinge position of the connecting block 4 and the rear supporting rod 1, namely L1 is larger than L2; the clamping holes 3 of the connecting blocks 4 are easy to cause larger force, and the clamping holes 3 are easy to deform or damage. In this solution, therefore, an intermediate support bar 6 is provided, through which intermediate support bar 6 a part of the weight from the seat plate 9 is taken up. The bottom of the bracket preferably comprises a longitudinal beam 2, the front end of the longitudinal beam 2 is connected with a front connecting piece 5, and the front connecting piece 5 is respectively hinged with a front supporting rod 7 and a middle supporting rod 6; the rear end of the longitudinal beam 2 is connected with the rear supporting rod 1 or indirectly connected with the rear supporting rod 1 through a connecting component.
Further, a connecting pipe 12 is connected between the rear supporting rods 1 on two sides, a pipe groove is formed in the connecting pipe 12, the movable piece comprises a contact pin 17 which is matched with the clamping hole 3 and is positioned at the end part of the connecting pipe 12, a movable groove 18 which is communicated with the pipe groove is formed in the side face of the connecting pipe 12, a connecting lug 16 is connected to the end part of the contact pin 17, and one end of the connecting lug 16 extends out of the movable groove 18.
The connecting lug 16, the connecting pipe 12 and the contact pin 17 form a plug pin mechanism, the contact pin 17 is driven to move through the connecting lug 16, and then the matching state of the contact pin 17 and the clamping hole 3 of the connecting block 4 is controlled, so that the operation is convenient.
Further, a rotating body 14 is arranged in the middle of the connecting pipe 12, a connecting piece 13 is arranged between one end of the rotating body 14, which is close to the connecting convex block 16, and the corresponding connecting convex block 16, and the connecting piece 13 is respectively connected with the rotating body 14 and the connecting convex block 16.
The connecting piece 13 and the connecting convex block 16 are driven to move inwards and outwards by the rotation of the rotating body 14, so that the movement of the contact pin 17 is controlled, and the operation is convenient.
Preferably, the connecting piece 13 is a connecting piece, and two ends of the connecting piece are respectively hinged with the rotating body 14 and the connecting lug 16.
The rotation of the rotating body 14 drives the connecting sheet to move so as to further achieve the movement of the contact pin 17; because both ends of the connecting piece are respectively hinged, the connecting piece can change the position of the connecting lug 16 in the moving groove 18 by changing the moving direction in the moving process.
As another modification, the connecting member 13 may be a flexible member such as a rope, a wire, or the like.
Preferably, elastic members for pushing the pins 17 toward the corresponding card holes 3 are provided in the connection pipe 12.
The elastic piece can be a spring, a shrapnel and the like. So that the contact pin 17 is always in an outward movement state, and the operation is convenient. Of course, a return elastic member, such as a torsion spring, may be attached to the rotating body 14.
Preferably, one end of the rotating body 14 is extended downward with an L-shaped foot pedal 15.
The rotation of the rotating body 14 is promoted by pedaling, and the operation is convenient.
Further, the bottom of the bracket comprises two cross beams respectively positioned at two sides, and a plurality of longitudinal beams 2 are arranged between the two cross beams.
In this technical scheme, for weight reduction, the support bottom is equipped with only two crossbeams and a longeron 2, of course support bottom can also set up connecting plate etc..
Further, the lower end of the leaning rod 10 is connected with a middle connecting piece, the middle connecting piece is hinged with the fixed plate 8 through a hinge shaft, at least one of the middle connecting pieces is connected with an adjusting piece, the adjusting piece is provided with an adjusting block 26 extending towards the direction of the fixed plate 8, the adjusting block 26 can move relative to the middle connecting piece, and the fixed plate 8 is provided with at least one clamping groove 81 matched with the adjusting block 26; the leaning rod 10 is connected with a control piece 20, the control piece 20 is connected with the adjusting piece through a transmission piece and controls the adjusting block 26 to be inserted into or removed from the clamping groove 81.
In the technical scheme, a leaning rod 10 is hinged with a fixed plate 8 through a middle connecting piece, and when the leaning rod 10 and the middle connecting piece rotate together relative to the fixed plate 8 during adjustment, a leaning plate 11 is connected between the two leaning rods 10 during specific implementation; secondly, the middle connecting piece is connected with an adjusting piece, and whether the middle connecting piece rotates or not is controlled by an adjusting block 26 of the adjusting piece; the movement of the adjusting block 26 is controlled by the control member 20 on the rest bar 10; therefore, the rotation of the whole backrest can be controlled by operating the control member 20, when the angle needs to be adjusted, a plurality of arc-shaped clamping grooves 81 can be formed on the fixed plate 8, and different clamping grooves 81 can be inserted through the adjusting block 26, so that the backrest has different angles relative to the fixed plate 8. Of course, only one engagement groove 81 may be provided. The adjusting element may here be provided as a bolt or the like.
Further, the intermediate connecting piece comprises a fixed shell 23 with the upper end connected with the leaning rod 10, the adjusting piece comprises a rotating block 24 hinged with the fixed shell 23, the rotating block 24 is provided with a connecting part and an adjusting part, the connecting part is connected with the transmission piece, the adjusting part is connected with an adjusting block 26, and the fixed shell 23 is connected with an elastic piece for resetting the rotating block 24.
The stationary housing 23 includes a bottom case 21 and a face case 22 fixedly connected. In this embodiment, the upper end of the fixed housing 23 is plugged into the backrest rod 10 via a socket, preferably also via a screw connection. The adjusting piece is designed to be a rotating piece 24, the rotating piece 24 is connected with the control piece 20 through a transmission piece, the transmission piece can be a rope or the like, the control piece 20 drives the rotating piece 24 to rotate, the adjusting piece 26 connected with the rotating piece 24 moves out along with the rotation of the rotating piece 24, and when the control piece 20 is loosened, the adjusting piece 26 is inserted into the clamping groove 81 under the action of the resetting piece; thereby effecting the adjustment. The reset piece can be a torsion spring, a spring piece and the like. In order to facilitate the insertion of the adjusting block 26 into the clamping groove 81, the fixed housing 23 is provided with a through hole 25 matched with the adjusting block 26, or one end of the adjusting piece connected with the adjusting block 26 extends out of the fixed housing 23.
For convenient design, the transmission piece is set to be a pull rope, and the rotation of the rotating block 24 is controlled through the pull rope, so that the device is simple and convenient. Of course, the transmission member may also be a pull rod or the like.
Further, the driving element is a pull rope, the control element 20 is a control block hinged or sleeved with the leaning rod 10, the control block is connected with the pull rope, and the rotating block 24 is provided with a fixing hole 27 connected with the pull rope.
The rotation of the rotating block is controlled by the movement, such as rotation or movement, of the control member 20, which drives the retraction or release of the pull cord.
As another variant of the mobile, see fig. 6, 5:
the middle part of the rear supporting rod 1 is provided with a perforation 19, and two ends of the movable piece 32 respectively pass through the perforation 19 of the corresponding rear supporting rod 1, preferably, an elastic piece for pushing the end part of the movable piece 32 to the clamping hole 3 is arranged in the perforation 19. Still preferably, the end of the movable member 32 is provided with a catching protrusion 31 for insertion into the catching hole.
Preferably, both ends of the movable member 32 are respectively connected with a stopper for limiting the movement range of the movable member 32.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides an intelligence push chair, its includes the pedestal, and the pedestal is equipped with the gyro wheel including the support that is located both sides respectively, the lower extreme of support, is equipped with the manual brake that is used for controlling the gyro wheel rotational speed on the support, and the manual brake is equipped with control rope, its characterized in that: the support is provided with a servo motor, a rotating shaft of the servo motor is in wire-wound connection with the control rope, the servo motor is connected with a processor, the processor is connected with a speed sensor, the processor controls the rotation number of the servo motor according to signals fed back by the speed sensor, and when the movement speed of the push chair exceeds a certain threshold value, the processor controls the servo motor to rotate, the rotating shaft tightens the control rope, and the roller is braked by hand brake;
the device comprises a support, a seat plate, a plurality of clamping holes, a plurality of connecting blocks, a plurality of fixing plates, a front support rod, a rear support rod, a connecting block and a seat plate, wherein the front support rod is hinged with the bottom of the support, the rear support rod is fixedly connected with the bottom of the support, the upper end of the rear support rod is hinged with the connecting block, the upper end of the front support rod and the upper end of the connecting block are respectively hinged with the two ends of the fixing plate, the seat plate is connected between the fixing plates on the two sides, the lower end of the connecting block on at least one side is downwards extended to form an adjusting part, and the adjusting part is provided with the plurality of clamping holes; the rear support rod is connected with a movable piece matched with the clamping hole, and the movable piece can move relative to the rear support rod;
the front end of the support is also provided with a middle support rod hinged with the bottom of the support, and the upper end of the middle support rod is hinged with the middle part of the connecting block.
2. The intelligent push chair of claim 1, wherein: the inner side faces of the fixing plates on two sides are connected with leaning rod assemblies, each leaning rod assembly comprises leaning rods, and connecting rods or/and leaning plates are connected between the leaning rods on two sides.
3. The intelligent push chair of claim 1, wherein: the connecting pipe is connected between the rear supporting rods on two sides, a pipe groove is formed in the connecting pipe, the movable piece comprises a contact pin matched with the clamping hole and located at the end portion of the connecting pipe, a moving groove communicated with the pipe groove is formed in the side face of the connecting pipe, a connecting lug is connected to the end portion of the contact pin, and one end of the connecting lug extends out of the moving groove.
4. An intelligent push chair according to claim 3, wherein: the middle part of the connecting pipe is provided with a rotating body, a connecting piece is arranged between one end of the rotating body, which is close to the connecting lug, and the corresponding connecting lug, and the connecting piece is respectively connected with the rotating body and the connecting lug.
5. The intelligent push chair of claim 1, wherein: the middle part of back bracing piece is equipped with the perforation, the perforation of corresponding back bracing piece is passed respectively at the both ends of movable part, be equipped with the elastic component that is used for pushing the tip of movable part to the card hole in the perforation.
6. An intelligent push chair according to claim 2, wherein: the lower end of the leaning rod is connected with a middle connecting piece, the middle connecting piece is hinged with the fixed plate through a hinge shaft, at least one of the middle connecting pieces is connected with an adjusting piece, the adjusting piece is provided with an adjusting block extending towards the direction of the fixed plate, the adjusting block can move relative to the middle connecting piece, and the fixed plate is provided with at least one clamping groove matched with the adjusting block; the leaning rod is connected with a control piece, the control piece is connected with the adjusting piece through a transmission piece and controls the adjusting block to be inserted into or removed from the clamping groove.
7. The intelligent push chair of claim 6, wherein: the middle connecting piece comprises a fixed shell, the upper end of the fixed shell is connected with the leaning rod, the adjusting piece comprises a rotating block hinged with the fixed shell, the rotating block is provided with a connecting part and an adjusting part, the connecting part is connected with the transmission piece, the adjusting part is connected with the adjusting block, and the fixed shell is connected with an elastic piece for resetting the rotating block.
8. The intelligent push chair of claim 6, wherein: the transmission piece is a pull rope, the control piece is a control block hinged or sleeved with the leaning rod, the control block is connected with the pull rope, and the rotating block is provided with a fixing hole connected with the pull rope.
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CN108514477A (en) * | 2018-03-29 | 2018-09-11 | 襄阳浩宇科技咨询有限公司 | A kind of intelligence pushchair |
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