CN113797031B - Portable electric wheelchair with storage function - Google Patents
Portable electric wheelchair with storage function Download PDFInfo
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- CN113797031B CN113797031B CN202111054890.0A CN202111054890A CN113797031B CN 113797031 B CN113797031 B CN 113797031B CN 202111054890 A CN202111054890 A CN 202111054890A CN 113797031 B CN113797031 B CN 113797031B
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- 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
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- 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
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- 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
- A61G5/1094—Tables, working plates or trays
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Abstract
The portable electric wheelchair with the storage function comprises a seat board frame, wherein a first connecting plate is arranged in the middle of the bottom surface of the seat board frame, a folding limit frame is arranged at the tail of the bottom surface of the seat board frame, the bottom of the seat board frame is rotatably connected with a bottom frame, the side wall of the front part of the seat board frame is provided with a pedal assembly, the top of the rear part of the seat board frame is connected with a backrest frame, and a locking mechanism between the backrest frame and the seat board frame is positioned; the middle parts of two sides of the backrest frame are rotationally connected with handrail plates, the handrail plates are oppositely arranged at the top of the seat plate frame, and the side parts of the backrest frame are provided with a storage mechanism; the invention is designed with a storage mechanism which can be folded and rotated back and forth, can be converted among three states of being unfolded at the back part of the backrest, being unfolded at the front part of the backrest and being folded at the back part of the backrest, has flexible structure and meets various use requirements of users.
Description
Technical Field
The invention belongs to the technical field of electric wheelchair processing, and particularly relates to a portable electric wheelchair with a storage function.
Background
The electric wheelchair mainly refers to a wheelchair driven by electric power, is a transportation tool and an auxiliary tool for the purpose of riding instead of walking, can be folded without disassembling a battery, and is convenient to carry and store; nowadays, the electric wheelchair becomes an indispensable riding-replacing tool for the elderly and disabled with inconvenient movement, and has very wide application objects;
at present, an electric wheelchair lacks a storage area, a user often hangs a bag on the back of a backrest frame, so that the stability is not enough, articles easily fall off in the running process of the wheelchair, and meanwhile, the articles are more troublesome to take.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a portable electric wheelchair with a storage function, which has the following specific technical scheme:
the portable electric wheelchair with the storage function comprises a seat plate frame, wherein a first connecting plate is arranged in the middle of the bottom surface of the seat plate frame, a folding limit frame is arranged at the tail of the bottom surface, the bottom of the seat plate frame is rotationally connected with a bottom frame, an electric push rod is rotationally arranged in the middle of the bottom frame, a rear wheel assembly is arranged at the bottom of the rear part of a side guard plate, a front wheel assembly is arranged on the outer wall of the front part of the side guard plate, a pedal assembly is arranged on the side wall of the front part of the seat plate frame, the top of the rear part of the seat plate frame is connected with a backrest frame, and a locking mechanism between the backrest frame and the seat plate frame is positioned; when the locking mechanism is unlocked, the electric push rod is used for driving the seat plate frame and the bottom frame to synchronously fold, fold or unfold for forming;
the middle parts of the two sides of the backrest frame are rotationally connected with the armrest plates which are oppositely arranged at the top of the seat plate frame,
the storage mechanism is installed to the lateral part of back frame, storage mechanism has three state:
first state: the storage mechanism is unfolded and placed on the back of the backrest frame;
second state: the storage mechanism is rotatably arranged at the side part of the handrail plate;
third state: the storage mechanism is folded and folded on the back of the backrest frame.
Further, the storage mechanism comprises an upper positioning frame, a lower storage box, a storage bag body, a first supporting component and a second supporting component; the utility model discloses a back frame, including back frame, first supporting component, second supporting component, the top of handrail board rotation point, bottom are arranged in respectively to first supporting component, first supporting component's outer end is equipped with positioning frame, second supporting component's outer end is equipped with down the receiver, the internally mounted of receiver has the storage bag body down, the top joint of the storage bag body is in positioning frame's inner wall.
Further, the storage tank has been seted up to the inside of lower receiver, the inside bottom of storage tank is equipped with the spring that rectangular array distributes, the storage bag body includes bag body, bottom plate body and cardboard, the bottom plate body slides and imbeds in the storage tank, the top fixed connection of spring is in the bottom surface of bottom plate body, the top outward flange department of the bag body is equipped with the cardboard that a plurality of annular arrays distribute, the inner wall of going up positioning frame is equipped with the link, the block is connected between cardboard and the link.
Further, the first support assembly and the second support assembly have the same structure, the transverse rotation axis of the first support assembly and the transverse rotation axis of the second support assembly are positioned at the same vertical central line, and the first support assembly comprises a transverse rotation shaft, a first support rod, a vertical rotation shaft and a second support rod; the side wall of the transverse rotating shaft is vertically provided with a first supporting rod, the outer end of the first supporting rod is provided with a vertical rotating shaft, the outer wall of the vertical rotating shaft is vertically provided with a second supporting rod, and the outer end of the second supporting rod is provided with an upper positioning frame.
Further, the first supporting rod of the first supporting component and the first supporting rod of the second supporting component are vertically fixed through a reinforcing rod.
Further, the bottom frame comprises a front rod body, a tripod, a rear rod body and a middle rod body, the middle rod body is penetrated between the two first connecting plates in a rotating way, the two tripods are vertically arranged on the inner wall of the rear rod body and are provided with an upper extending end and a lower extending end, the upper extending end is slidably arranged on the side wall of the folding limiting frame, and an electric push rod is rotatably arranged between the lower extending end and the front rod body; the two ends of the front rod body are fixedly connected to the front part of the inner wall of the side guard plate, the two ends of the rear rod body are rotatably mounted at the rear part of the inner wall of the side guard plate and the rotating connection part is a point A, and the two ends of the middle rod body are rotatably mounted at the middle part of the inner wall of the side guard plate and the rotating connection part is a point B; when the locking mechanism is unlocked, the electric push rod can drive the tripod to rotate around the point A and further drive the seat board frame to rotate around the point B when being extended or contracted.
Further, the folding limiting frame comprises limiting plates and movable rods, the two limiting plates are vertically arranged on the bottom surface of the tail of the seat plate frame, each limiting plate is internally provided with a sliding groove which is transversely distributed, the movable rods penetrate through the sliding grooves of the two limiting plates in a sliding mode, and the two ends of each movable rod are rotatably connected with the upper extending ends of the two triangular frames.
Further, the inner wall of the front rod body is vertically and symmetrically provided with second connecting plates, the front end of the electric push rod is rotatably arranged between the two second connecting plates, and the rear end of the electric push rod is rotatably arranged between the two lower overhanging ends.
Furthermore, the two sides of the bottom of the backrest frame are provided with backrest positioning plates, the two backrest positioning plates are both rotatably connected to the inner wall of the tail part of the seat board frame, and the backrest positioning plates and the seat board frame are positioned through a locking mechanism.
The beneficial effects of the invention are as follows:
1. the folding and folding storage mechanism capable of rotating back and forth is designed, can be converted among three states of being unfolded at the back part of the backrest, being unfolded at the front part of the backrest and being folded at the back part of the backrest, has flexible structure and meets various use requirements of users;
2. the electric push rod can drive the tripod to rotate around the point A and then drive the seat board frame to rotate around the point B when being extended or contracted, so that the backrest frame and the seat board frame synchronously rotate to change the supporting inclination angle, and a user can adjust the angle according to the comfort type of the user.
Drawings
FIG. 1 is a schematic view showing the structure of a portable electric wheelchair with a storage function of the present invention;
FIG. 2 is a schematic diagram showing the overall side cross-sectional structure of the electric wheelchair of the present invention;
FIG. 3 is a schematic view of the storage mechanism of the present invention in an expanded configuration;
FIG. 4 is a schematic drawing showing the folding structure of the storage mechanism of the present invention;
FIG. 5 shows a schematic view of the upper positioning frame structure of the present invention;
FIG. 6 shows a schematic view of the lower case of the present invention;
FIG. 7 shows a schematic view of the structure of the bottom frame of the present invention;
FIG. 8 is a schematic view showing an initial tilt angle state structure of the electric wheelchair of the present invention;
FIG. 9 is a schematic view showing an inclined state of the electric wheelchair according to the present invention;
FIG. 10 shows a schematic view of the partial enlarged structure of FIG. 7;
FIG. 11 shows a schematic view of the head support assembly of the present invention;
FIG. 12 is a schematic view showing a structure of a storage mechanism in a front state of the present invention;
the figure shows: 1. a seat plate frame; 11. a first connection plate; 2. a side guard plate; 3. an electric push rod; 4. a bottom frame; 41. a front rod body; 411. a second connecting plate; 42. a tripod; 43. a rear rod body; 44. a middle rod body; 5. a backrest frame; 51. a backrest positioning plate; 6. a head support assembly; 61. a chassis body; 62. a fixed rod; 63. a first adjusting arc plate; 64. a second adjusting arc plate; 65. a headrest fixing plate; 66. a headrest; 7. folding a limit frame; 71. a limiting plate; 711. a chute; 72. a movable rod; 8. a locking mechanism; 81. an operation lever; 82. a clamping hook; 83. a limit rod; 9. a storage mechanism; 91. an upper positioning frame; 911. hanging rings; 92. a lower storage box; 921. a storage tank; 922. a spring; 93. a storage bag body; 931. a bag body; 932. a base plate body; 933. a clamping plate; 94. a first support assembly; 941. a transverse rotating shaft; 942. a first strut; 943. a vertical rotating shaft; 944. a second strut; 95. a reinforcing rod; 96. a second support assembly; 10. armrest plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. 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.
Examples
As shown in fig. 1-4, the portable electric wheelchair with the storage function comprises a seat board frame 1, wherein a first connecting plate 11 is arranged in the middle of the bottom surface of the seat board frame 1, a folding limit frame 7 is arranged at the tail of the bottom surface, and a bottom frame 4 is rotatably connected to the bottom of the seat board frame 1;
the electric push rod 3 is rotatably arranged in the middle of the interior of the bottom frame 4, the rear wheel component is arranged at the bottom of the rear part of the side guard plate 2, the front wheel component is arranged on the outer wall of the front part of the side guard plate 2, the pedal component is arranged on the side wall of the front part of the seat plate frame 1, the top of the rear part of the seat plate frame 1 is connected with the backrest frame 5, and the locking mechanism 8 between the backrest frame 5 and the seat plate frame 1 is positioned; when the locking mechanism 8 is unlocked, the electric push rod 3 is used for driving the seat board frame 1 and the bottom frame 4 to synchronously fold, fold or unfold for forming; the electric push rod can drive the seat board frame and the bottom frame to rotate, so that the overall inclination angle of the seat board frame is changed, and a user can adjust the angle according to the comfort type requirement of the user;
the middle parts of two sides of the backrest frame 5 are rotatably connected with handrail plates 10, and the handrail plates 10 are oppositely arranged at the top of the seat plate frame 1;
a storage mechanism 9 is mounted on the side of the backrest frame 5, and the storage mechanism 9 has three states:
first state: the storage mechanism 9 is unfolded and placed on the back of the backrest frame 5; the storage mechanism is arranged at the rear part in a daily state, so that a user can conveniently carry goods for transferring, and the functions of the electric wheelchair are more various;
second state: the storage mechanism 9 is rotatably arranged at the side part of the armrest plate 10; the hand rest plate is arranged at the side part of the hand rest plate, so that the hand rest plate can be conveniently used for taking and placing articles, and the operation is more convenient;
third state: the storage mechanism 9 is folded and folded on the back of the backrest frame 5; the folding and furling design can be folded when articles are not required to be carried, so that the overall size of the wheelchair is reduced; when the wheelchair is wholly folded, the storage mechanism can be folded, so that the normal folding of the wheelchair is not disturbed.
As shown in fig. 3, the storage mechanism 9 includes an upper positioning frame 91, a lower storage box 92, a storage bag 93, a first support assembly 94, and a second support assembly 96; the first support assembly 94 and the second support assembly 96 are arranged on the same side of the backrest frame 5, the first support assembly 94 and the second support assembly 96 are respectively arranged at the top and the bottom of the rotation point of the armrest plate 10, an upper positioning frame 91 is arranged at the outer end of the first support assembly 94, a lower storage box 92 is arranged at the outer end of the second support assembly 96, a storage bag 93 is arranged in the lower storage box 92, and the top of the storage bag 93 is clamped on the inner wall of the upper positioning frame 91;
as shown in fig. 2, in the first state: the upper positioning frame and the lower storage box are horizontally arranged at the back of the backrest frame, the bottom of the storage bag body is arranged in the lower storage box, the top end of the storage bag body is clamped in the upper positioning frame, and the opening of the upper positioning frame is a discharging hole;
as shown in fig. 12, in the second state: the upper positioning frame and the lower storage box are respectively and horizontally arranged at the top and the bottom of the armrest plate, the flexible storage bag body is arranged at the side part of the armrest plate, the top end of the storage bag body is clamped in the upper positioning frame, and the opening of the upper positioning frame is a discharge hole;
as shown in fig. 4, in the third state: the upper positioning frame and the lower storage box are both arranged at the back of the backrest frame, the upper positioning frame rotates downwards to a vertical state, the storage bag body is stored in the lower storage box, the lower storage box rotates upwards to a vertical state, the upper positioning frame is attached to the inner side of the lower storage box in parallel, and the upper positioning frame is used for carrying out abutting positioning on the stored storage bag body;
the upper positioning frame can be used as a discharging hole and can also be used for positioning the top end of the storage bag body, so that the assembly and the use are convenient; the flexible storage bag body is convenient to retract and install, and is convenient to collide with the handrail plate to deform, so that the whole storage mechanism can rotate to the side part of the handrail plate; the lower storage box is a bottom supporting area of the storage bag body and a storage area of the storage bag body;
by adopting the three-part assembly structure, the structure of the storage mechanism is more flexible and changeable so as to adapt to the adjustment requirements of three states.
As shown in fig. 3, a storage tank 921 is formed in the lower storage box 92, springs 922 distributed in a rectangular array are disposed at the bottom of the storage tank 921, the storage bag 93 includes a bag body 931, a bottom plate body 932 and a clamping plate 933, the bottom plate body 932 is slidably embedded in the storage tank 921, the top end of the springs 922 is fixedly connected to the bottom surface of the bottom plate body 932, a plurality of clamping plates 933 distributed in a circular array are disposed at the outer edge of the top end of the bag body 931, a hanging ring 911 is disposed on the inner wall of the upper positioning frame 91, and the clamping plates 933 are connected with the hanging ring 911 in a clamping manner; the length of the bag body is smaller than the distance between the upper positioning frame and the lower storage box, so that when the clamping plate is clamped with the hanging ring, the bottom plate body can be pulled upwards, the spring is further lengthened, the bottom plate body can be pulled downwards reversely by the spring, the whole flexible bag body is enabled to be subjected to downward force, the whole bag body can be guaranteed to be in an elongated and tight state, the containing space is larger, the clamping plate is firmly attached to the hanging plate, and the bag body cannot be loosened.
As shown in fig. 3, the first support assembly 94 and the second support assembly 96 have the same structure, the lateral rotation axis of the first support assembly 94 and the lateral rotation axis of the second support assembly 96 are located at the same vertical center line, and the first support assembly 94 includes a lateral rotation axis 941, a first support rod 942, a vertical rotation axis 943, and a second support rod 944; the lateral rotating shaft 941 is fixed on the side of the backrest frame 5, a first supporting rod 942 is vertically arranged on the side wall of the lateral rotating shaft 941, a vertical rotating shaft 943 is arranged at the outer end of the first supporting rod 942, a second supporting rod 944 is vertically arranged on the outer wall of the vertical rotating shaft 943, and an upper positioning frame 91 is arranged at the outer end of the second supporting rod 944; the design of horizontal pivot is convenient for go up positioning frame, the horizontal rotation of lower supporting seat, can be at back frame's front and back portion conversion, and the design of vertical pivot can vertical rotation, realizes rotating to expand and draw in.
The first supporting rod of the first supporting component 94 and the first supporting rod of the second supporting component 96 are vertically fixed through a reinforcing rod 95; the reinforcing rod can improve structural strength, simultaneously, can realize synchronous rotation.
As shown in fig. 7-9, the bottom frame 4 includes a front rod 41, a tripod 42, a rear rod 43 and a middle rod 44, the middle rod 44 is rotatably penetrated between the two first connecting plates 11, the inner wall of the rear rod 43 is vertically provided with two tripods 42, the tripod 42 has an upper overhanging end and a lower overhanging end, the upper overhanging end is slidably mounted on the side wall of the folding limit frame 7, and an electric push rod 3 is rotatably mounted between the lower overhanging end and the front rod 41; the two ends of the front rod body 41 are fixedly connected to the front part of the inner wall of the side guard plate 2, the two ends of the rear rod body 43 are rotatably mounted at the rear part of the inner wall of the side guard plate 2 and the rotation connection part is a point A, and the two ends of the middle rod body 44 are rotatably mounted at the middle part of the inner wall of the side guard plate 2 and the rotation connection part is a point B;
when the electric push rod 3 is extended or contracted, the tripod 42 can be driven to rotate around the point A so as to drive the seat board frame 1 to rotate around the point B, and the backrest frame 5 and the seat board frame 1 synchronously rotate to change the supporting inclination angle.
The pedal assembly is adjusted up and down and front and back, and the front and back distance of the pedal is adjusted according to the height of a user, and the up and down distance is adjusted; different requirements of different users are met.
As shown in fig. 7-9, the folding limit frame 7 includes limit plates 71 and movable rods 72, the two limit plates 71 are vertically disposed on the bottom surface of the tail of the seat plate frame 1, each limit plate 71 is internally provided with a laterally distributed chute 711, the movable rods 72 slidably penetrate through the chutes 711 of the two limit plates 71, and two ends of the movable rods 72 are rotatably connected with the upper overhanging ends of the two triangular brackets 42; when the upper overhanging end of the tripod rotates, the upper overhanging end moves along the chute, so that the seat board frame makes lever motion around the point B to change the inclination angle, and a user can adjust the angle according to the comfort requirement of the user.
As shown in fig. 7-9, the inner wall of the front rod 41 is vertically and symmetrically provided with a second connecting plate 411, the front end of the electric push rod 3 is rotatably installed between the two second connecting plates 411, and the rear end of the electric push rod 3 is rotatably installed between the two lower overhanging ends; the design of two first connecting plates, lower overhanging end can flexible linkage, guarantees each junction and stably rotates simultaneously.
As shown in fig. 7-9, two sides of the bottom of the backrest frame 5 are provided with backrest positioning plates 51, the two backrest positioning plates 51 are both rotatably connected to the inner wall of the tail of the seat board frame 1, and the backrest positioning plates 51 and the seat board frame 1 are positioned by a locking mechanism 8; when the backrest frame rotates, the backrest positioning plate is driven to rotate around the seat plate frame, so that the backrest frame can be rotated, folded and unfolded.
As shown in fig. 10, the locking mechanism 8 includes an operation rod 81, a hook 82 and a limit rod 83, the tail of the seat board frame 1 is connected with the limit rod 83, the operation rod 81 and the limit rod 83 are arranged in parallel at intervals, two ends of the limit rod 83 are respectively provided with the hook 82, a hook groove of the hook 82 faces away from the seat board frame 1, the hook 82 is rotatably mounted on the inner wall of the backrest positioning plate 51 through a torsion spring, and the hook 82 is rotatably engaged with the operation rod 81; when the unlocking is needed, the operating rod is rotated, and then the clamping hook is driven to rotate to be separated from the limiting rod, so that the separation of the backrest frame and the seat board frame can be realized, and when the unlocking is locked, the limiting rod is connected with the clamping hook in a clamping way.
As shown in fig. 11, the head support assembly 6 is mounted on top of the back frame 5, and the head support assembly 6 has a plurality of degrees of freedom; the head support assembly 6 includes a chassis body 61, a fixing rod 62, a first adjustment arc plate 63, a second adjustment arc plate 64, a headrest fixing plate 65, and a headrest 66; the middle part perpendicular to the chassis body is fixed with the dead lever, and the top of dead lever rotates and connects first regulation arc board, and the tip of first regulation arc board rotates and connects the second regulation arc board, and the top of second regulation arc board rotates and connects the headrest fixed plate, and the outer wall of headrest fixed plate is equipped with the headrest, and the rotation junction of first regulation arc board, second regulation arc board is fixed a position through locking knob, and the rotation angle of adjustable first regulation arc board, second regulation arc board to change the angle of headrest, can adjust the headrest height according to user's height, have supporting role to the head during the use.
The invention is implemented by:
when the wheelchair is unfolded and used, the backrest frame 5 and the seat plate frame 1 are vertically distributed, the clamping hooks 82 and the limiting rods 83 are clamped into a whole, the electric push rod 3 is in a completely contracted state in an initial state, all rod bodies of the bottom frame 4 are in an initial state, and the seat plate frame 1 is in a horizontal state;
when the supporting inclination angle needs to be changed, the electric push rod 3 stretches, the joint of the front rod body 41 and the side guard plate 2 is a point C, the fixed point C can reversely push the point D of the lower overhanging end of the tripod 42, the tripod 42 rotates anticlockwise, the point E of the upper overhanging end of the tripod 42 drives the movable rod 72 to move inwards along the sliding groove 711, and meanwhile, the seat plate frame 1 is pressed downwards from the rear end, so that the seat plate frame 1 rotates clockwise around the point B, and the seat plate frame 1 and the backrest frame 5 can be integrally and backwards dumped, and the supporting inclination angle is changed and adjusted;
the user can also change the supporting angle of the headrest and the pedal according to the self requirement;
when the folding wheelchair is required to be folded, the operating lever 81 is pulled upwards, the operating lever 81 drives the clamping hook 82 to rotate around the backrest positioning plate 51, and the limiting lever 83 is separated from the clamping hook 82, so that the backrest frame 5 can be folded and overlapped with the seat plate frame 1.
It is noted that relational terms such as first and second, and the like, if any, are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. Portable electronic wheelchair with storing function, its characterized in that: the seat plate comprises a seat plate frame, wherein a first connecting plate is arranged in the middle of the bottom surface of the seat plate frame, a folding limit frame is arranged at the tail of the bottom surface of the seat plate frame, the bottom of the seat plate frame is rotatably connected with a bottom frame, an electric push rod is rotatably arranged in the middle of the bottom frame, and side guard plates are arranged on two sides of the bottom frame;
the rear wheel assembly is arranged at the bottom of the rear part of the side guard plate, the front wheel assembly is arranged on the outer wall of the front part of the side guard plate, the pedal assembly is arranged on the side wall of the front part of the seat plate frame, the top of the rear part of the seat plate frame is connected with the backrest frame, and the locking mechanism between the backrest frame and the seat plate frame is positioned; when the locking mechanism is unlocked, the electric push rod is used for driving the seat plate frame and the bottom frame to synchronously fold, fold or unfold for forming;
the middle parts of two sides of the backrest frame are rotationally connected with handrail plates, the handrail plates are oppositely arranged at the top of the seat plate frame, the side parts of the backrest frame are provided with storage mechanisms, and the storage mechanisms are in three states:
first state: the storage mechanism is unfolded and placed on the back of the backrest frame;
second state: the storage mechanism is rotatably arranged at the side part of the handrail plate;
third state: the storage mechanism is folded and folded on the back of the backrest frame;
the storage mechanism comprises an upper positioning frame, a lower storage box, a storage bag body, a first supporting component and a second supporting component; the utility model discloses a back frame, including back frame, first supporting component, second supporting component, the top of handrail board rotation point, bottom are arranged in respectively to first supporting component, first supporting component's outer end is equipped with positioning frame, second supporting component's outer end is equipped with down the receiver, the internally mounted of receiver has the storage bag body down, the top joint of the storage bag body is in positioning frame's inner wall.
2. The portable electric wheelchair with a storage function according to claim 1, characterized in that: the storage bag comprises a storage box body, wherein a storage groove is formed in the storage box body, springs distributed in a rectangular array are arranged at the bottom of the storage groove, the storage bag body comprises a bag body, a bottom plate body and clamping plates, the bottom plate body is embedded in the storage groove in a sliding mode, the top end of the springs are fixedly connected to the bottom face of the bottom plate body, the clamping plates distributed in a plurality of annular arrays are arranged at the outer edge of the top end of the bag body, hanging rings are arranged on the inner wall of the upper positioning frame, and the clamping plates are connected with the hanging rings in a clamping mode.
3. The portable electric wheelchair with a storage function according to claim 2, characterized in that: the first support assembly and the second support assembly are identical in structure, the transverse rotation axis of the first support assembly and the transverse rotation axis of the second support assembly are located at the same vertical central line, and the first support assembly comprises a transverse rotating shaft, a first supporting rod, a vertical rotating shaft and a second supporting rod; the side wall of the transverse rotating shaft is vertically provided with a first supporting rod, the outer end of the first supporting rod is provided with a vertical rotating shaft, the outer wall of the vertical rotating shaft is vertically provided with a second supporting rod, and the outer end of the second supporting rod is provided with an upper positioning frame.
4. A portable electric wheelchair with storage function according to claim 3, characterized in that: the first support rod of the first support assembly is vertically fixed with the first support rod of the second support assembly through a reinforcing rod.
5. The portable electric wheelchair with a storage function according to claim 1, characterized in that: the bottom frame comprises a front rod body, a tripod, a rear rod body and a middle rod body, wherein the middle rod body is penetrated through the two first connecting plates in a rotating way, the two tripods are vertically arranged on the inner wall of the rear rod body and are provided with an upper extending end and a lower extending end, the upper extending end is slidably arranged on the side wall of the folding limiting frame, and an electric push rod is rotatably arranged between the lower extending end and the front rod body; the two ends of the front rod body are fixedly connected to the front part of the inner wall of the side guard plate, the two ends of the rear rod body are rotatably mounted at the rear part of the inner wall of the side guard plate and the rotating connection part is a point A, and the two ends of the middle rod body are rotatably mounted at the middle part of the inner wall of the side guard plate and the rotating connection part is a point B; when the locking mechanism is unlocked, the electric push rod can drive the tripod to rotate around the point A and further drive the seat board frame to rotate around the point B when being extended or contracted.
6. The portable electric wheelchair with a storage function according to claim 5, characterized in that: the folding limiting frame comprises limiting plates and movable rods, wherein the two limiting plates are vertically arranged on the bottom surface of the tail of the seat plate frame, each limiting plate is internally provided with a sliding groove which is transversely distributed, the movable rods penetrate through the sliding grooves of the two limiting plates in a sliding mode, and the two ends of each movable rod are connected with the upper extending ends of the two triangular frames in a rotating mode.
7. The portable electric wheelchair with a storage function according to claim 6, wherein: the inner wall vertical symmetry of the front rod body is equipped with the second connecting plate, electric putter's front end rotates and installs between two second connecting plates, electric putter's rear end rotates and installs between two lower overhanging ends.
8. The portable electric wheelchair with a storage function according to claim 7, characterized in that: the two sides of the bottom of the backrest frame are provided with backrest positioning plates, the two backrest positioning plates are both rotationally connected to the inner wall of the tail part of the seat board frame, and the backrest positioning plates and the seat board frame are positioned through a locking mechanism.
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| CN202111054890.0A CN113797031B (en) | 2021-09-09 | 2021-09-09 | Portable electric wheelchair with storage function |
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| CN202111054890.0A CN113797031B (en) | 2021-09-09 | 2021-09-09 | Portable electric wheelchair with storage function |
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| CN113797031B true CN113797031B (en) | 2023-05-26 |
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|---|---|
| CN113797031A (en) | 2021-12-17 |
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