CN213641648U - Electric wheelchair - Google Patents

Abstract

The utility model relates to the technical field of wheelchairs, in particular to an electric wheelchair, which comprises a wheelchair bracket, wherein the top of the wheelchair bracket is fixedly connected with an armrest bracket, the top of the wheelchair bracket is fixedly connected with a cushion, one end of the cushion is fixedly connected with a backrest, the other end of the cushion is fixedly connected with a backrest leg, the bottom of the wheelchair bracket is rotatably connected with a wheel bridge through a bearing, a backrest adjuster is fixedly installed at the joint of the cushion and the backrest, the top of the wheelchair bracket is fixedly connected with a safety belt, two universal wheels are fixedly installed at the bottom of the wheelchair bracket, the inclination degree of the backrest can be adjusted by adjusting the backrest adjuster, a user can conveniently adjust the angle to like comfort, the stiff feeling of back muscles and the sour feeling of waist muscles can be relieved by a massager arranged in the backrest, and the user can be protected from the bumping of the wheelchair by tying a safety belt, comfortable and safe.

Description

Electric wheelchair

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to an electric wheelchair.

Background

The wheelchair is a chair provided with wheels and capable of helping to replace walking, is an important moving tool for home rehabilitation, turnover transportation, diagnosis and outgoing activities of wounded persons, patients and disabled persons, not only meets the requirements of physical disabilities and mobility-handicapped persons for riding instead of walking, but also is more important to facilitate the family members to move and care for the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair.

The wheelchair on the existing market is mainly suitable for old people with inconvenient movement and injuries, but pregnant women who need to use the wheelchair are very inconvenient, because the pregnant women are pregnant on the body, the backrest of the common wheelchair can not meet the leaning posture and angle of the pregnant women, and the pregnant women sit on the wheelchair for a long time, the common wheelchair easily causes the sitting posture of the pregnant women to be tired, the waist and the back of the body are damaged, the pregnant women are inconvenient to handle the emergency situation, and the wheelchair is very unsafe when going downhill or bumping on a cement road. In view of this, we propose an electric wheelchair.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric wheelchair, this electric wheelchair, solved and can't satisfy pregnant woman's position of sitting, sit for a long time and lead to waist back strain, go up the downhill path and when jolting unsafe problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a grain processing lifting machine that facilitates use, includes the wheelchair support, the top fixedly connected with handrail support of wheelchair support, handrail support's top fixed mounting has the handrail, the top fixedly connected with cushion of wheelchair support, the one end fixedly connected with back of cushion, the other end fixedly connected with back leg of cushion, the bottom of wheelchair support rotates through the bearing and is connected with the wheel bridge, the junction fixed mounting of cushion and back has the back regulator, the inside of back regulator is provided with hand power ware, the top fixedly connected with safety belt of wheelchair support, the top slidable mounting on back surface has the back pillow, the bottom fixed mounting of back leg has the base plate, the both ends fixed mounting of wheel bridge has two tires, the bottom fixed mounting of wheelchair support has two universal wheels.

Preferably, the surface of the wheel axle is rotatably connected with an engine housing through a bearing, the top of the engine housing is fixedly connected with the bottom of the wheelchair support, the inside of the engine housing is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first bevel gear, the surface of the first bevel gear is engaged with a second bevel gear, and the axis of the second bevel gear is fixedly connected with the surface of the wheel axle.

Preferably, the fixed surface of hand puller installs the plectane, the fixed surface of plectane is connected with three first gag lever post, the surperficial joint of first gag lever post has the driving plate.

Preferably, the notch has been seted up on the surface of driving plate, the inner wall fixed mounting of back regulator has tooth, the internal surface meshing of tooth has three gear, the inside sliding connection of back regulator has first stopper, the fixed surface of first stopper is connected with the second gag lever post, the surface joint of second gag lever post is at the inner wall of notch.

Preferably, the inner wall fixedly connected with axis of rotation of back bottom, the one end of axis of rotation is connected with the fixed surface of back regulator, the fixed surface of axis of rotation installs the base, the surface of axis of rotation passes through dead lever fixedly connected with motor housing, the right side fixed mounting of motor housing inner wall has the second motor, an output fixedly connected with rolling disc of second motor, the fixed surface of rolling disc installs the second stopper.

Preferably, the other end fixedly connected with transfer line of second motor, the middle part of transfer line is connected with the second rolling disc through a sprocket and two gear drive, the second rolling disc is through the surface of two dead lever fixed connection at the axis of rotation, the first belt pulley of one end fixedly connected with of transfer line, the right-hand member of first belt pulley passes through the inner wall of dead lever fixed connection at the back, first belt pulley is connected with the second belt pulley through belt drive, the fixed surface of second belt pulley is connected with the dwang, the fixed surface of dwang installs the massager, the left end sliding connection of dwang has spacing, the left end swing joint of dwang has the recess transfer line, the recess of recess transfer line and the surface joint of second stopper.

By the technical proposal, the utility model provides an electric wheelchair. The method at least has the following beneficial effects:

(1) the utility model discloses an adjust the inclination that the back regulator can adjust the back, the person of facilitating the use adjusts for oneself likes comfortable angle, can massage when the back waist leads to the stiffness because inactive for a long time through the massager that sets up in the back, alleviates the stiff sense and the sour sense of muscle to can protect the user not receive the influence that the wheelchair was jolted through tying the safety belt, comfortable safety again.

(2) The utility model discloses a design the back for two concave recesses of the suitable S type of human body and cushion, the human body of laminating more, the user has more strong comfort to can mobilize the back, use the massager, the health can relax when the user uses, obtains strong comfort.

(3) The utility model discloses a safety belt position that sets up is in thigh root below the lower abdomen, has considered the influence to the foetus, and the mode of this kind of system can guarantee the safety of health, can guarantee again not to cause the influence to the foetus.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a wheel set according to the present invention;

FIG. 3 is a schematic view of the overall structure of the middle hand puller of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the middle hand puller of the present invention;

fig. 5 is a schematic sectional view of the backrest of the present invention;

FIG. 6 is a schematic structural view of a middle backrest pushing device of the present invention;

FIG. 7 is a schematic view of a rotary device of the massage device of the present invention;

fig. 8 is a top view of the middle cushion of the present invention.

In the figure: 1. a wheelchair frame; 2. a handrail support; 3. a handrail; 4. a cushion; 5. a backrest; 6. a leg rest; 7. a wheel axle; 8. a backrest adjuster; 9. a hand puller; 10. a safety belt; 11. a back cushion; 12. a foot rest plate; 13. a tire; 14. a universal wheel; 15. an engine housing; 16. a first bevel gear; 17. a second bevel gear; 18. a first motor; 19. a rotating shaft; 20. a circular plate; 21. a first limit rod; 22. a drive plate; 23. a notch; 24. a gear; 25. a first stopper; 26. a second limiting rod; 27. teeth; 28. rotating the rod; 29. a massager; 30. a second pulley; 31. a limiting strip; 32. rotating the disc; 33. a second limiting block; 34. a groove transmission rod; 35. a base; 36. a second motor; 37. a motor housing; 38. a transmission rod; 39. a second rotating disk; 40. a first pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

An electric wheelchair comprises a wheelchair support 1, an armrest support 2 is fixedly connected to the top of the wheelchair support 1, an armrest 3 is fixedly mounted to the top of the armrest support 2, a cushion 4 is fixedly connected to the top of the wheelchair support 1, a backrest 5 is fixedly connected to one end of the cushion 4, a backrest leg 6 is fixedly connected to the other end of the cushion 4, a wheel bridge 7 is rotatably connected to the bottom of the wheelchair support 1 through a bearing, a backrest adjuster 8 is fixedly mounted at the joint of the cushion 4 and the backrest 5, a hand puller 9 is arranged inside the backrest adjuster 8, a safety belt 10 is fixedly connected to the top of the wheelchair support 1, a headrest 11 is slidably mounted to the top of the surface of the backrest 5, foot pads 12 are fixedly mounted to the bottoms of the backrest legs 6, two tires 13 are fixedly mounted to two ends of the wheel bridge 7, and two universal wheels 14 are fixedly mounted to the bottom of the wheelchair support 1, the adjustment of the backrest 5 can be achieved by mutual cooperation of the devices, and the leg of the pregnant woman can be fixed by arranging the safety belt 10 at the position, thereby avoiding influence on the fetus.

In this embodiment, the surface of wheel axle 7 is connected with engine housing 15 through the bearing rotation, the top of engine housing 15 and the bottom fixed connection of wheelchair support 1, the first motor 18 of inside fixedly connected with of engine housing 15, the first bevel gear 16 of output fixedly connected with of first motor 18, the surface meshing of first bevel gear 16 has second bevel gear 17, the axle center department of second bevel gear 17 and the fixed surface connection of wheel axle 7, mutually support through first motor 18 and first bevel gear 16 and second bevel gear 17 and realize electric drive, can directly go on level land and road, need not the manual rolling tire 13 of user, unusual convenient, user's both hands both feet have been liberated, can make the more comfortable wheelchair that uses of user.

Further, the fixed surface of hand puller 9 installs plectane 20, the fixed surface of plectane 20 is connected with three first gag lever post 21, the surperficial joint of first gag lever post 21 has driving plate 22, can adjust the angle of back 5 through rotating hand puller 9 through the built-in device of hand puller 9, adjust the angle of back 5 to oneself comfortable angle through the user, thereby make the user reach the comfort that needs, can not sit very uncomfortable on the wheelchair, avoid producing the influence to the foetus.

Further, notch 23 has been seted up on the surface of driving plate 22, inner wall fixed mounting of back regulator 8 has tooth 27, the internal surface meshing of tooth 27 has three gear 24, the inside sliding connection of back regulator 8 has first stopper 25, the fixed surface of first stopper 25 is connected with second gag lever post 26, the surface joint of second gag lever post 26 is at the inner wall of notch 23, can adjust angle after back 5 and fix back 5 through above device mutually supporting, back 5 blocks motionlessly, keep quiescent condition, avoid back 5 automatic incline to lead to the user of service personnel to fall down backward and take place danger.

Example 2

As shown in fig. 5-7, a rotating shaft 19 is fixedly connected to an inner wall of the bottom of the backrest 5, one end of the rotating shaft 19 is fixedly connected to a surface of the backrest adjuster 8, a base 35 is fixedly mounted on the surface of the rotating shaft 19, a motor housing 37 is fixedly connected to the surface of the rotating shaft 19 through a fixing rod, a second motor 36 is fixedly mounted on the right side of the inner wall of the motor housing 37, a rotating disc 32 is fixedly connected to an output end of the second motor 36, and a second limiting block 33 is fixedly mounted on the surface of the rotating disc 32, so that all devices in the backrest 5 can be fixed, and the massager 29 and other devices still maintain corresponding positions, even if a user presses the backrest 5 when using the device, the angle of the backrest 5 is adjusted, wherein the device is still stable, and the change of the device position due to the adjustment of.

In this embodiment, the other end of the second motor 36 is fixedly connected with a transmission rod 38, the middle of the transmission rod 38 is connected with a second rotating disc 39 through a chain wheel and two gears, the second rotating disc 39 is fixedly connected on the surface of the rotating shaft 19 through two fixing rods, one end of the transmission rod 38 is fixedly connected with a first belt pulley 40, the right end of the first belt pulley 40 is fixedly connected on the inner wall of the backrest 5 through a fixing rod, the first belt pulley 40 is connected with a second belt pulley 30 through a belt, the surface of the second belt pulley 30 is fixedly connected with a rotating rod 28, the surface of the rotating rod 28 is fixedly provided with a massager 29, the left end of the rotating rod 28 is slidably connected with a limiting strip 31, the left end of the rotating rod 28 is movably connected with a groove transmission rod 34, the groove of the groove transmission rod 34 is clamped with the surface of the second, and move it repeatedly, bring the comfort for the user, make user's blood circulate more, avoided the stiff waist of back aching pain scheduling problem.

When the electric wheelchair of the utility model is used, a user sits on the cushion 4, ties the safety belt 10, uses the hand-operated hand-pulling device 9, the transmission plate 22 which is clamped on the surface of the first limiting rod 21 is rotated by the rotation of the hand-operated device 9, the transmission plate 22 is rotated to a certain degree to drive the first limiting block 25 to be separated from the teeth 27, so that the backrest 5 can change the angle in an inclined way, the second motor 36 is opened after the user adjusts the angle, one end of the second motor 36 drives the rotary disc 32 to rotate, the rotary disc 32 rotates to drive the groove transmission rod 34 to move through the second limiting block 33, the groove transmission rod 34 moves to drive the circular plate 20 to move through the rolling block, because the outer surface of the circular plate 20 is clamped with the limiting strips 31, the circular plate 20 moves back and forth along the track of the limiting strips 31, meanwhile, the other end of the second motor 36 drives the transmission rod 38 to rotate, the transmission rod 38 drives the, the first belt pulley 40 drives the second belt pulley 30 to rotate through a belt, the second belt pulley 30 drives the rotating rod 28 to rotate again, the rotating rod 28 drives the massager 29 to rotate again, the second motor 36 drives the second rotating disc 39 to rotate through a gear and a chain wheel simultaneously, the limiting rod on the surface of the second rotating disc 39 can enable the belt on the surfaces of the first belt pulley 40 and the second belt pulley 30 to continuously work, the first motor 18 is opened after the user adjusts, the first motor 18 drives the first bevel gear 16 to rotate, the first bevel gear 16 drives the second bevel gear 17 to rotate, the second bevel gear 17 drives the wheel bridge 7 to rotate, the wheel bridge 7 drives the tire 13 to rotate again, and the wheelchair is enabled to move.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An electric wheelchair comprising a wheelchair frame (1), characterized in that: the wheelchair comprises a wheelchair support (1), a handrail support (2) is fixedly connected to the top of the wheelchair support (1), a handrail (3) is fixedly mounted to the top of the handrail support (2), a cushion (4) is fixedly connected to the top of the wheelchair support (1), a backrest (5) is fixedly connected to one end of the cushion (4), a backrest leg (6) is fixedly connected to the other end of the cushion (4), a wheel bridge (7) is rotatably connected to the bottom of the wheelchair support (1) through a bearing, a backrest adjuster (8) is fixedly mounted to the joint of the cushion (4) and the backrest (5), a hand puller (9) is arranged inside the backrest adjuster (8), a safety belt (10) is fixedly connected to the top of the wheelchair support (1), a headrest (11) is slidably mounted to the top of the surface of the backrest (5), and a foot padding plate (12) is fixedly mounted to the bottom of the backrest leg (6), two tires (13) are fixedly mounted at two ends of the wheel bridge (7), and two universal wheels (14) are fixedly mounted at the bottom of the wheelchair support (1).

2. An electrically powered wheelchair in accordance with claim 1, wherein: the surface of the wheel bridge (7) is rotatably connected with an engine shell (15) through a bearing, the top of the engine shell (15) is fixedly connected with the bottom of the wheelchair support (1), the inside of the engine shell (15) is fixedly connected with a first motor (18), the output end of the first motor (18) is fixedly connected with a first bevel gear (16), the surface of the first bevel gear (16) is meshed with a second bevel gear (17), and the axis of the second bevel gear (17) is fixedly connected with the surface of the wheel bridge (7).

3. An electrically powered wheelchair in accordance with claim 1, wherein: the surface fixed mounting of hand power ware (9) has plectane (20), the fixed surface of plectane (20) is connected with three first gag lever post (21), the surface joint of first gag lever post (21) has driving plate (22).

4. An electrically powered wheelchair in accordance with claim 3, wherein: notch (23) have been seted up on the surface of driving plate (22), the inner wall fixed mounting of back regulator (8) has tooth (27), the internal surface meshing of tooth (27) has three gear (24), the inside sliding connection of back regulator (8) has first stopper (25), the fixed surface of first stopper (25) is connected with second gag lever post (26), the surface joint of second gag lever post (26) is at the inner wall of notch (23).

5. An electrically powered wheelchair in accordance with claim 1, wherein: inner wall fixedly connected with axis of rotation (19) of back (5) bottom, the one end of axis of rotation (19) is connected with the fixed surface of back regulator (8), the fixed surface of axis of rotation (19) installs base (35), dead lever fixedly connected with motor housing (37) is passed through on the surface of axis of rotation (19), the right side fixed mounting of motor housing (37) inner wall has second motor (36), an output end fixedly connected with rolling disc (32) of second motor (36), the fixed surface of rolling disc (32) installs second stopper (33).

6. An electrically powered wheelchair in accordance with claim 5, wherein: the other end fixedly connected with transfer line (38) of second motor (36), the middle part of transfer line (38) is connected with second rolling disc (39) through a sprocket and two gear drive, second rolling disc (39) are through two dead lever fixed connection on the surface of axis of rotation (19), the first belt pulley (40) of one end fixedly connected with of transfer line (38), the right-hand member of first belt pulley (40) passes through the inner wall of dead lever fixed connection at back (5), first belt pulley (40) are connected with second belt pulley (30) through belt drive, the fixed surface of second belt pulley (30) is connected with dwang (28), the fixed surface of dwang (28) installs massager (29), the left end sliding connection of dwang (28) has spacing strip (31), the left end swing joint of dwang (28) has recess transfer line (34), the groove of the groove transmission rod (34) is clamped with the surface of the second limiting block (33).

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