CN202313999U - Electric wheelchair control device - Google Patents
Electric wheelchair control device Download PDFInfo
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- CN202313999U CN202313999U CN2011204357838U CN201120435783U CN202313999U CN 202313999 U CN202313999 U CN 202313999U CN 2011204357838 U CN2011204357838 U CN 2011204357838U CN 201120435783 U CN201120435783 U CN 201120435783U CN 202313999 U CN202313999 U CN 202313999U
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- slide block
- handle
- guide shaft
- control device
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Abstract
The utility model discloses an electric wheelchair control device, wherein the top end of the electric wheelchair control device is provided with a handle shaft of a handle, the left and the right sides of the electric wheelchair control device are provided with left and right upper guide shafts and left and right lower guide shafts which are arranged on a base guide rack, and the left and the right lower guide shafts respectively pass through a left and a right differential sliders and a return spring. Two guide rails of a base are embedded in guide slots which are arranged on the bottom surfaces of the differential sliders, and the bottom surfaces of the differential sliders are embedded with two inductors. The base is embedded with a sensor which is connected with a control mechanism, and differential racks arranged on the inner sides of the two differential sliders are engaged with differential gears arranged on the handle shaft. Handle sliding racks which are arranged on the handle shaft are respectively hinged with sliding sleeves of the two upper guide shafts. A bottom guide shaft which is fixed on a lower guide rack of the base passes through a brake sliding rack and a brake pressure spring which are arranged on the bottom portion of the handle shaft, and a brake sensor arranged between the brake sliding rack and the brake pressure spring is connected with the control mechanism. The two differential sliders move when the handle moves forwardly or rotates, signals of the sensor are sent to the control mechanism, rotating speed of two wheels is adjusted, and the handle backwardly moves to brake when a wheelchair goes straight at accelerated or decelerated speed or changes direction. The electric wheelchair control device can conveniently, rapidly, steadily and flexibly operate and control an electric wheelchair.
Description
(1) technical field
This utility model relates to the electric wheelchair technical field, is specially a kind of electric wheelchair control device.
(2) background technology
All need use wheelchair as walking-replacing tool for the people that walking disorder is arranged.The whole world has 6.5 hundred million disableds approximately at present, and they need the whole society to give more concern.The old people also needs wheelchair to certain age legs and feet inconvenience.The present old people of China has accounted for whole world old man's 22%, 14% of full Asia.The end of last year, the aging population statistical number of China's over-65s reached 1.67 hundred million, and according to the prediction of World Health Organization (WHO), the year two thousand twenty whole world aging population will reach 6.9 hundred million.The market space of wheelchair is very big.
Electric wheelchair is because of motor being arranged as power, and is laborsaving, easy to operate, fast and steady, is widely used.The electric wheelchair control device is its core component, and present control device has through electric impulse signal control, have through the raster pattern signal controlling, also has various sensor signals controls.Its control crank major part is that the bottom is the rocking bar of a ball; Near the diverse location of ball has pick off; Make the ball swing with the very limited amplitude of oscillation when controlling; Make each pick off obtain unlike signal, control centre obtains direction and the speed that the user needs reach according to the variation of each sensor signal.Because the orientation of ball swing is limited, add the uneven vibration effect in ground, the signal of each pick off is indeterminate also unstable, thereby causes that direction location and speed controlling are comparatively fuzzy, handling is relatively poor.The main colony that uses of electric wheelchair is disabled, old people and patient, and their respond is so sensitive, the handling of electric wheelchair is just had requirements at the higher level, and this also is the important key of safe handling electric wheelchair.Therefore it is a kind of simple for structure to press for development, and it is clear and definite clear to control track, the transducing signal equal interval quantizing, and safe and reliable electric wheelchair control device is to satisfy the demand in market.
At present the core control part major part of the electric wheelchair on the China market costs an arm and a leg from external import on the other hand, and the specific consumer group of vast wheelchair is caused certain economic pressure.Reducing cost also is one of main target of electric wheelchair control device new departure.
(3) utility model content
The purpose of this utility model is a kind of electric wheelchair control device of design, has left and right sides slide and pick off, can make things convenient for the control that realizes speed and direction exactly.
The electric wheelchair control device of this utility model design; Electric wheelchair comprises wheelchair, left and right sides motor and controlling organization; Left and right sides motor drives the left and right wheels of wheelchair respectively, and left and right sides motor is connected with controlling organization, and controlling organization has the current of electric adjustment module of regulating motor supply current, control motor speed and rotation direction; Controlling organization connects power supply, is the mechanism of control motor speed and rotation direction.This control device connects controlling organization.This control device has pedestal, handle, and pedestal is installed on the wheelchair armrest front end, is convenient to operation.Respectively have saddle, Handle axis to be in the middle part before and after the pedestal left-right symmetric of this control device, pedestal, the top is a handle, and the left and right side of Handle axis has vertical with it upper left guide shaft, upper right guide shaft and left lower leading axle, bottom right guide shaft.Upper left guide shaft, upper right guide shaft and left lower leading axle, bottom right guide shaft are fixedly mounted on the front and back saddle of pedestal.Left side lower leading axle, bottom right guide shaft pass the pilot hole of left differential slide block and right differential slide block respectively, also respectively are installed with back-moving spring on the left and right lower leading axle, and back-moving spring is between saddle and differential slide block.The 2 piece guide rails parallel with left and right lower leading axle are arranged on the pedestal, the guide groove that left and right differential slide block bottom surface one side has axially, matches with guide rail, 2 guide rails on the pedestal are embedded in respectively in the guide groove of left and right differential slide block, and left and right differential slide block slides along guide rail.The opposite side two ends of left and right differential slide block bottom surface respectively are embedded with an inductor, and 2 inductor lines of same differential slide block are parallel with lower leading axle.Base bottom surface respectively is embedded with pick off on the sliding trace of left and right differential slide block inductor, the holding wire of pick off is connected with controlling organization.Left and right differential slide block opposed inside is respectively for left differential tooth bar and right differential tooth bar, be in the left and right sides of differential gearing and mesh with differential gearing respectively.Differential gearing is fixedly installed on the Handle axis; The handle balladeur train is rotatably installed on the Handle axis, between handle and differential gearing; Respectively be hinged with left and right sliding sleeve about the handle balladeur train; Left and right sliding sleeve is enclosed within respectively on upper left guide shaft and the upper right guide shaft, and differential gearing is positioned at handle balladeur train below, is fixed in Handle axis.When handle is in zero-bit; Back-moving spring does not stress; The left sliding sleeve of handle balladeur train, right sliding sleeve are stopped at upper left guide shaft, upper right guide shaft middle part, left differential slide block, right differential slide block and are stopped at left lower leading axle, bottom right guide shaft middle part, and left differential tooth bar on left differential slide block, the right differential slide block and right differential tooth bar mesh with differential gearing.
This control device also has arrestment mechanism.Following saddle is respectively arranged before and after base bottom; Following saddle is fixed with a foundation guide shaft; End guide shaft is parallel to left and right lower leading axle, and the braking balladeur train is arranged at the Handle axis bottom, on the braking balladeur train braking guide hole is arranged; End guide shaft passes the braking guide hole, and is being with at back saddle ` on the end guide shaft and is braking between the balladeur train and brake stage clip.One end of braking stage clip is equipped with braking sensor, its holding wire Access Control mechanism.
The controlling organization that this control device connects is connected to master control interface, and on and off switch is installed on it, the button of moveing backward in addition, and the reversing button is connected with controlling organization.Press down the reversing button, controlling organization makes left and right motor backward rotation, and handle reach and rotation are still the left and right rotating speed of motor size of control.
This control device can be arranged on the front end of a wheelchair left side or right handrail.This wheelchair control device shell is provided with T type hoodle holddown groove, and the truss that cooperates with T type hoodle holddown groove is arranged on the left and/or right handrail front end, when the T of this control device type hoodle holddown groove snaps in the truss of handrail, can be fixed on the handrail.
The handle of this electric wheelchair control device is in zero-bit, and back-moving spring does not stress, and the handle balladeur train is stopped at left and right upper leading axle middle part, left and right differential slide block is stopped at left and right lower leading axle middle part; When the handle reach; Differential gearing drives left and right differential slide block reach; The inductor at left and right differential slider bottom two ends and the relative distance of the left and right pick off on the pedestal change; Left and right sensor signal is delivered to controlling organization, and controlling organization is according to the left and right wheel of the left and right driven by motor of signal enabling.The power of the left and right sensor signal of distance decision of left and right differential tooth bar reach, controlling organization is according to the left and right rotating speed of motor of the signal controlling of left and right pick off.When handle moves forward and rotates to the left or to the right; Different according to the handle rotational angle; Differential gearing drives that the distance that left and right differential tooth bar moves is just different, and promptly left and right pick off sends the signal magnitude difference, and controlling organization makes left and right rotating speed of motor different; The different rotating speeds event of left and right wheel is left and right takes turns the operating range difference, thereby the wheelchair travel direction changes.
When this device is equipped with arrestment mechanism,, brakes stage clip and do not stress when handle is in zero-bit.When after moving compression handles axle drive braking balladeur train behind the handle, moving the compression brake stage clip; The signal of braking sensor is delivered to controlling organization; Controlling organization is according to this signal enabling electromagnetic brake device, and the distance of moving behind the handle is different, and the degree of tripping spring compression is different; The signal magnitude that braking sensor is seen off is different, the size of decision electromagnetic brake device brake force.
The advantage of this utility model electric wheelchair control device is: 1, start, quicken, stop, braking is convenient steadily, and do not receive the jolt influence of vibration of ground injustice, go back the maskable electromagnetic interference; 2, control flexibly, turn to sensitivity, can the widely different commentaries on classics in 180 degree original places; 3, control signal generation, sensing all are integrated in this control device, and be easy for installation; 4, induction apparatus, pick off and controlling organization all can adopt commercial elements, have reduced manufacturing cost significantly.
(4) description of drawings
Fig. 1 is the overall structure sketch map of this electric wheelchair control device embodiment;
Fig. 2 is the structural representation after this electric wheelchair control device embodiment takes off handle, handle balladeur train and sliding sleeve;
Fig. 3 is after this electric wheelchair control device embodiment takes off handle, handle balladeur train, sliding sleeve, Handle axis and left and right sides upper leading axle, the structural representation that differential Slipper is cut open;
Fig. 4 is the structural representation after this electric wheelchair control device embodiment takes off differential slide block and left and right sides lower leading axle;
Fig. 5 is the installation situation sketch map of this electric wheelchair control device embodiment on wheelchair armrest.
The figure internal label is: 1, handle, 2, Handle axis, 3, the handle balladeur train, 4, right sliding sleeve, 5, back-moving spring, 6, pedestal; 61, pick off, 7, the bottom right guide shaft, 8, end guide shaft, 9, the braking balladeur train, 10, the braking stage clip, 11, braking sensor; 12, following saddle, 13, right differential slide block, 131, right differential tooth bar, 132, inductor, 14, differential gearing, 15, upper right guide shaft; 16, saddle, 01, shell, 02, master control interface, 03, handrail, 04, wheelchair frame.
(5) specific embodiment
The electric wheelchair of this electric wheelchair control device embodiment comprises wheelchair, left and right sides motor, controlling organization and control device; Left and right sides motor drives the left and right wheels of wheelchair respectively; Left and right sides motor is connected with controlling organization, controlling organization connects power supply; Controlling organization has the current of electric adjustment module of regulating motor supply current, control motor speed and rotation direction, is the mechanism of control motor speed and rotation direction.This control device connects controlling organization.To shown in Figure 4, this control device has pedestal 6, handle 1 like Fig. 1, and pedestal 6 is installed on wheelchair armrest 03, is convenient to operation.Pedestal 6 left-right symmetric of this control device only mark right side members among Fig. 1.Respectively there is saddle 16 pedestal 6 front and back, and Handle axis 2 is in the middle part, and the top is a handle 1, and the left and right side of Handle axis 2 has vertical with it upper left guide shaft, upper right guide shaft 15 and left lower leading axle, bottom right guide shaft 7.Upper left guide shaft, upper right guide shaft 15 and left lower leading axle, bottom right guide shaft 7 are fixedly mounted on the front and back saddle 16 of pedestal 6.
Differential slide block in a left side and right differential slide block 13 all have axial pilot hole; Left side lower leading axle, bottom right guide shaft 7 pass the pilot hole of left differential slide block and right differential slide block 13 respectively; Also respectively be installed with back-moving spring 5 on left side lower leading axle, the bottom right guide shaft 7, back-moving spring 5 is between saddle 16 and differential slide block.The 2 piece guide rails parallel with left lower leading axle, bottom right guide shaft 7 are arranged on the pedestal 6; The guide groove that the differential slide block in a left side, right differential slide block 13 bottom surfaces one side have axially, match with guide rail; 2 guide rails on the pedestal 6 are embedded in respectively in the guide groove of left differential slide block, right differential slide block 13, and left differential slide block, right differential slide block 13 slide along guide rail.The opposite side two ends of the differential slide block in a left side, right differential slide block 13 bottom surfaces respectively are embedded with an inductor 132,2 inductor 132 lines of same differential slide block and parallel axes.Pedestal 6 bottom surfaces respectively are embedded with pick off 61 on the sliding trace of the differential slide block in a left side, right differential slide block 13 inductors 132, the holding wire of pick off 61 is connected with controlling organization.A left side differential slide block, right differential slide block 13 opposed inside be left differential tooth bar and right differential tooth bar 131, respectively be in differential gearing 14 left and right sides and with differential gearing 14 engagements.Differential gearing 14 is positioned at handle balladeur train 3 belows, is fixedly installed on the Handle axis 2.Handle balladeur train 3 through bearing be rotatably installed on the Handle axis 2, between handle 1 and differential gearing 14, handle balladeur train about 3 respectively is hinged with left sliding sleeve, right sliding sleeve 4, left sliding sleeve, right sliding sleeve 4 are enclosed within respectively on upper left guide shaft and the upper right guide shaft 15.When handle 1 is in zero-bit; Back-moving spring 5 does not stress; The left sliding sleeve of handle balladeur train 3, right sliding sleeve 4 are stopped at upper left guide shaft, upper right guide shaft 15 middle parts, left differential slide block, right differential slide block 13 and are stopped at left lower leading axle, bottom right guide shaft 7 middle parts, left differential tooth bar on left differential slide block, the right differential slide block 13 and right differential tooth bar 131 and differential gearing 14 engagements.
Following saddle 12 is respectively arranged before and after these routine pedestal 6 bottoms.Following saddle 12 is fixed with a foundation guide shaft 8; End guide shaft 8 is parallel to left lower leading axle, bottom right guide shaft 7; Braking balladeur train 9 is rotatably installed on Handle axis 2 bottoms through bearing; Braking has the braking guide hole on the balladeur train 9, and end guide shaft 8 passes the braking guide hole, brakes stage clip 10 being with on the end guide shaft 8 between the following saddle 12 at rear and the braking balladeur train 9.One end of braking stage clip 10 is equipped with braking sensor 11, its holding wire Access Control mechanism.In the spring hole of braking stage clip 10 a spacing stay cord is arranged, following saddle 12, the other end that spacing stay cord one end is fixed in the pedestal rear end is fixed in the end of braking stage clip 10 near braking balladeur train 9, and the maximum of braking stage clip 10 is extended the length decision of range by spacing stay cord.Handle 1 is in zero-bit, braking balladeur train 9 near but do not touch braking stage clip 10, braking sensor 11 is under the off working state, the brakeless signal takes place.
Said braking sensor 11 is magnetic induction type Hall element or capacitor grid transducer or grating sensor or piezoresistive pressure sensor.
The controlling organization of this control device is connected to master control interface 02, and on and off switch is installed on it, the button of moveing backward in addition, and the reversing button is connected with controlling organization.Press down the reversing button, controlling organization makes left and right motor backward rotation, and left and right rotating speed of motor size is still controlled in handle 1 reach and rotation.
As shown in Figure 5, this control device is fixedly installed in the shell 01, is arranged on a wheelchair left side or the right handrail 03, and handrail 03 is installed on the vehicle frame 04 of wheelchair.Shell 01 bottom is provided with T type hoodle holddown groove, and the truss that cooperates with T type hoodle holddown groove is arranged on the left and/or right handrail 03, and when the T type hoodle holddown groove of the shell 01 of this control device snaps in the truss of handrail 03, this control device can be fixed on the handrail 03.Easy accessibility, installation are firmly.
The foregoing description is merely concrete example of purpose, technical scheme and beneficial effect further explain to this utility model, and this utility model is not to be defined in this.All any modifications of within the scope of disclosure of this utility model, being made, be equal to replacement, improvement etc., all be included within the protection domain of this utility model.
Claims (6)
1. electric wheelchair control device; Electric wheelchair comprises wheelchair, left and right sides motor and controlling organization; Left and right sides motor drives the left and right wheels of wheelchair respectively; Left and right sides motor is connected with controlling organization, and controlling organization has the current of electric adjustment module of regulating motor supply current, control motor speed and rotation direction, and the controlling organization of control motor speed and rotation direction is connected power supply; Control device connects controlling organization; It is characterized in that:
Said control device has pedestal (6), handle (1); Pedestal (6) is installed on wheelchair armrest (02); Pedestal (6) left-right symmetric, pedestal (6) is forward and backward respectively to have saddle (16), Handle axis (2) to be in the middle part; The top is handle (1), and the left and right side of Handle axis (2) has vertical with it upper left guide shaft, upper right guide shaft (15) and left lower leading axle, bottom right guide shaft (7); Upper left guide shaft, upper right guide shaft (15) and left lower leading axle, bottom right guide shaft (7) are fixedly mounted on the forward and backward saddle (16) of pedestal (6);
Differential slide block in a left side and right differential slide block (13) all have axial pilot hole; Left side lower leading axle, bottom right guide shaft (7) pass the pilot hole of left differential slide block and right differential slide block (13) respectively; Also respectively be installed with back-moving spring (5) on left side lower leading axle, the bottom right guide shaft (7), back-moving spring (5) is positioned between saddle (16) and the differential slide block; Have on the pedestal (6) and left lower leading axle, 2 parallel guide rails of bottom right guide shaft (7); The guide groove that the differential slide block in a left side, right differential slide block (13) bottom surface one side have axially, match with guide rail; 2 guide rails on the pedestal (6) are embedded in respectively in the guide groove of left differential slide block, right differential slide block (13), and left differential slide block, right differential slide block (13) slide along guide rail; The opposite side two ends of the differential slide block in a left side, right differential slide block (13) bottom surface respectively are embedded with an inductor (132), and same 2 inductors of differential slide block (132) line is parallel with lower leading axle; Pedestal (6) bottom surface respectively is embedded with pick off (61) on the sliding trace of the differential slide block in a left side, right differential slide block (13) inductor, the holding wire of pick off (61) is connected with controlling organization; A left side differential slide block, right differential slide block (13) opposed inside are left differential tooth bar and right differential tooth bar (131), are in the left and right sides of differential gearing (14) and mesh with differential gearing (14) respectively; Differential gearing (14) is positioned at handle balladeur train (3) below, is fixedly installed on the Handle axis (2); The Handle axis (2) that is rotatably installed on handle balladeur train (3) goes up, is positioned between handle (1) and the differential gearing (14), and ((4, (4 are enclosed within upper left guide shaft and upper right guide shaft respectively (on 15 to the handle balladeur train for left sliding sleeve, right sliding sleeve respectively to be hinged with left sliding sleeve, right sliding sleeve about 3; (1 is in zero-bit when handle; (5 do not stress back-moving spring; The left sliding sleeve of handle balladeur train (3), right sliding sleeve (4) are stopped at upper left guide shaft, upper right guide shaft (15) middle part, left differential slide block, right differential slide block (13) and are stopped at left lower leading axle, bottom right guide shaft (7) middle part, left differential tooth bar on left differential slide block, the right differential slide block (13) and right differential tooth bar (131) and differential gearing (14) engagement.
2. electric wheelchair control device according to claim 1 is characterized in that:
Said pedestal (6) respectively has following saddle (12) before and after the bottom; Following saddle (12) is fixed with a foundation guide shaft (8); End guide shaft (8) is parallel to left lower leading axle, bottom right guide shaft (7); Braking balladeur train (9) is rotatably installed on Handle axis (2) bottom, on the braking balladeur train (9) the braking guide hole is arranged, and end guide shaft (8) passes the braking guide hole; On end guide shaft (8), be with braking stage clip (10), braking stage clip (10) is positioned between the following saddle (12) and braking balladeur train (9) at rear; One end of braking stage clip (10) is equipped with braking sensor (11), its holding wire Access Control mechanism; Handle (1) is in zero-bit, the braking balladeur train (9) near but do not touch the braking stage clip (10).
3. electric wheelchair control device according to claim 2 is characterized in that:
One spacing stay cord is arranged in the spring hole of said braking stage clip (10), and following saddle (12), the other end that spacing stay cord one end is fixed in pedestal (6) rear end are fixed in the end of braking stage clip (10) near braking balladeur train (9).
4. electric wheelchair control device according to claim 2 is characterized in that:
Said braking sensor (11) is magnetic induction type Hall element or capacitor grid transducer or grating sensor or piezoresistive pressure sensor.
5. electric wheelchair control device according to claim 1 is characterized in that:
Said controlling organization is connected to master control interface (02), and on and off switch is installed on it, the button of moveing backward in addition, and the reversing button is connected with controlling organization.
6. according to each described electric wheelchair control device in the claim 1 to 5, it is characterized in that:
Said control device is installed in the front end of a wheelchair left side or right handrail (03); The shell of said control device (01) is provided with T type hoodle holddown groove; The truss that cooperates with T type hoodle holddown groove is arranged on the left and/or right handrail (03), and the T type hoodle holddown groove of shell (01) snaps in the truss of handrail (03), said control device is fixed on the handrail (03).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204357838U CN202313999U (en) | 2011-11-05 | 2011-11-05 | Electric wheelchair control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204357838U CN202313999U (en) | 2011-11-05 | 2011-11-05 | Electric wheelchair control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202313999U true CN202313999U (en) | 2012-07-11 |
Family
ID=46426007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204357838U Expired - Fee Related CN202313999U (en) | 2011-11-05 | 2011-11-05 | Electric wheelchair control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202313999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019062029A1 (en) * | 2017-09-30 | 2019-04-04 | 常熟市平方轮椅有限公司 | Adjustable and controllable worm transmission mechanism for wheelchair |
-
2011
- 2011-11-05 CN CN2011204357838U patent/CN202313999U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019062029A1 (en) * | 2017-09-30 | 2019-04-04 | 常熟市平方轮椅有限公司 | Adjustable and controllable worm transmission mechanism for wheelchair |
| CN110381904A (en) * | 2017-09-30 | 2019-10-25 | 常熟市平方轮椅有限公司 | A kind of controllable worm gearing for wheelchair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20151105 |
|
| EXPY | Termination of patent right or utility model |