CN111166587A

CN111166587A - Power-assisted vehicle

Info

Publication number: CN111166587A
Application number: CN202010101699.6A
Authority: CN
Inventors: 黄伟城
Original assignee: Foshan City Shunde District An'ai Industry Co ltd
Current assignee: Foshan City Shunde District An'ai Industry Co ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-05-19

Abstract

A power-assisted vehicle comprises a main frame and a cushion part; the main frame comprises a suspension part, a supporting part and a base, wherein one end of the suspension part is connected with the upper end of the supporting part, and the other end of the suspension part extends horizontally inwards; the lower end of the supporting part is connected with the base, so that a space for the edge of a bedding or a seat to insert is reserved between the supporting part and the suspended part; the cushion part can be arranged above the suspension part in a bearing manner and is hinged with the suspension part, so that the cushion part can rotate away from the position right above the suspension part. The cushion position of vehicle using motor is located the top of suspension portion, and when the disease was settled in cushion portion, cushion portion received decurrent pressure, when the extrusion suspension portion, suspension portion provides ascending holding power for it, stable in structure to improve the comfort level of disease.

Description

Power-assisted vehicle

Technical Field

The invention relates to the technical field of medical care equipment, in particular to a moped.

Background

The nursing care apparatus is characterized in that the nursing care apparatus is used for nursing a patient who is inconvenient to move and is not suitable for changing the body position by large movements, the work of nursing care personnel is very tired, if the patient needs to go to a toilet, the patient is relatively large in transferring and shifting, if the patient is manually lifted and transported, the patient is very uncomfortable, a large amount of time and energy are consumed by the nursing care apparatus, the existing nursing care apparatus is extremely inconvenient, the existing nursing care apparatus is expensive in manufacturing cost, or the existing nursing care apparatus cannot be well connected with a seat or a bedding, the nursing care apparatus cannot take into consideration that the patient cannot be moved by large movements and the nursing care personnel cannot work hard as much as possible, meanwhile, the stability and the comfort of the patient after being arranged on a booster vehicle are also considered, namely, the existing nursing care apparatus cannot simultaneously meet the requirements.

Disclosure of Invention

Therefore, there is a need for a power-assisted vehicle which can smoothly connect with a seat or a bedding and can ensure the stability of the power-assisted vehicle.

A power-assisted vehicle comprises a main frame and a cushion part;

the main frame comprises a suspension part, a supporting part and a base, wherein one end of the suspension part is connected with the upper end of the supporting part, and the other end of the suspension part extends horizontally inwards; the lower end of the supporting part is connected with the base, so that a space for the edge of a bedding or a seat to insert is reserved between the supporting part and the suspended part;

the cushion part can be arranged above the suspension part in a bearing manner and is hinged with the suspension part, so that the cushion part can rotate away from the position right above the suspension part.

Furthermore, one side of the cushion part is hinged with one side of the suspension part, and the other side of the cushion part is detachably connected with the other side of the suspension part through a locking part.

Further, the cushion part consists of a left part and a right part, and the left part and the right part are respectively hinged with two sides of the suspension part;

the left part with the right part passes through retaining member detachably and connects fixedly, or respectively through the retaining member with the portion of suspending detachably connects fixedly.

Furthermore, the device also comprises a secondary locking piece, wherein one end of the secondary locking piece is fixed on the cushion part or the suspension part, and the other end of the secondary locking piece is detachably connected and fixed on the suspension part or the cushion part; the secondary locking piece and the locking piece are arranged on the same side of the suspended part;

preferably, the secondary locking piece comprises a fixing ring, a connecting piece, a fixing bolt and a bolt hole, two ends of the connecting piece are respectively fixedly connected with the fixing ring and the fixing bolt, the fixing ring is sleeved on the cushion part or the suspension part, correspondingly, the bolt hole is formed in the suspension part or the cushion part, and when the fixing bolt is inserted into the bolt hole, the positions of the cushion part and the suspension part are in a locking state.

Furthermore, the cushion part extends vertically upwards to form a backrest part.

Further, the cushion part is a foldable cushion;

preferably, a handle for assisting the opening and closing of the cushion part is fixedly connected with the cushion part.

Furthermore, the middle part of the cushion part is provided with a hollow hole which is suitable for the sanitary ware to be mounted or placed.

Further, the cushion part comprises a transverse support rod, a longitudinal support rod, a cushion and upper and lower hinged pieces;

the transverse supporting rods are horizontally arranged along one side of the seat cushion, the two longitudinal supporting rods are arranged at two ends of the transverse supporting rods in parallel, one longitudinal supporting rod is hinged with one side of the suspended part, and the other longitudinal supporting rod is detachably connected with the other side of the suspended part through the locking piece;

the cushion is hinged with the transverse supporting rod in a way of being capable of being turned up and down through the upper hinge piece and the lower hinge piece.

The upper and lower hinged parts further comprise an upper hinged part, a hinged shaft and a lower hinged part;

the upper hinge part is provided with an inner concave curved surface which is matched with the outer contour of the transverse supporting rod, the inner concave curved surface is attached to the transverse supporting rod, and the inner concave curved surface and the transverse supporting rod are fixed through bolts;

the upper hinge part and the lower hinge part are connected in a relatively rotatable manner through the hinge shaft;

the lower hinge part is fixedly connected with the cushion.

Furthermore, the supporting part is of a rod body structure with adjustable height;

preferably, handrails are respectively arranged on two sides of the backrest part;

preferably, the bottom of the base is provided with wheels for facilitating the movement of the base;

furthermore, 4 wheels are uniformly distributed at the bottom of the base, and 2 wheels in the advancing direction are larger than 2 wheels at the rear end.

When the power-assisted bicycle is used, the cushion part is pushed away from the position right above the suspension part, the power-assisted bicycle is moved to the side of a bedding or a seat for patients to lie and sit, the base is pushed into the bottom of the bedding or the seat in a proper manner, the supporting part is positioned above the bedding or the seat, namely the edge of the bedding or the seat is accommodated in the space between the supporting part and the suspension part, and the power-assisted bicycle is pushed towards the inner side of the bedding or the seat, so that the inner side of the supporting part is propped against the outer side edge of the bedding or the seat, and the stability of the power-assisted bicycle is better. After the moped is initially stabilized, the cushion part is pulled back to the position which can bear the weight above the suspension part, the patient is slightly moved and then placed on the cushion part, and then the moped is moved out of the edge of the bedding or the seat to transfer the patient to a destination place.

The moped provided by the invention is provided with a space for accommodating the edge of the bedding or the seat, and the cushion part for accommodating the patient can be directly moved to the upper part of the bedding or the seat when in use, so that the patient lying and sitting on the bedding or the seat can be arranged on the booster vehicle only by slightly moving the booster vehicle, and the booster vehicle is particularly more practical for the patient who is not suitable for or cannot move greatly in the rehabilitation process.

For the structure of the moped, the cushion part is positioned above the suspension part, when a patient is arranged on the cushion part, the cushion part is pressed downwards, the suspension part is extruded, and meanwhile, the suspension part provides upward supporting force for the suspension part, so that the structure is stable, and the comfort level of the patient is improved; in the process of moving the patient, the moped is pushed towards the inner side of the bedding or the seat, so that the inner side of the supporting part is propped against the outer side edge of the bedding or the seat, the stability of the moped is better, and the use is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view (right side) of the overall structure of the power-assisted vehicle in an embodiment;

FIG. 2 is a schematic view (left side) of the overall structure of the moped according to an embodiment;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic view of one embodiment of a retaining member in an open position;

FIG. 5 is an exploded view of one embodiment of the retaining member;

FIG. 6 is a schematic structural view of one embodiment of a front armrest;

FIG. 7 is a schematic structural view of one embodiment of the main frame.

The device comprises a main frame 1, a hanging part 11, a supporting part 12, an outer sleeve 121, an inner sleeve 122, a height adjusting locking part 123 and a base 13; the cushion comprises a cushion part 2, a backrest part 21, a hollow hole 22, a handle 23, a transverse support rod 201, a longitudinal support rod 202, a cushion 203, an upper hinge part 204, a lower hinge part 2041, an upper hinge shaft 2042 and a lower hinge part 2043;

the locking member 3, the main lock body 31, the locking piece 311, the accommodating through groove 3111, the spring part 312, the pressing piece 313, the right-angle hook 3131, the hook part 3132, the first hinge shaft 314, the locking tongue 32, the upper locking tongue block 321, the lower locking tongue block 322, and the second hinge shaft 323;

the secondary locking piece 4, the fixing ring 41, the connecting piece 42 and the fixing bolt 43;

side arm rests 5, wheels 6;

a front armrest 7, a vertical portion 71, a first horizontally extending portion 72, a second horizontally extending portion 73;

a foot rest portion 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1, 2 and 3, a power-assisted vehicle includes a main frame 1 and a seat cushion portion 2;

the main frame 1 comprises a suspended part 11, a supporting part 12 and a base 13, wherein one end of the suspended part 11 is connected with the upper end of the supporting part 12, and the other end extends horizontally inwards; the lower end of the supporting part 12 is connected with the base 13, so that a space for inserting the edge of a bedding or a sitting tool is reserved between the supporting part 12 and the suspended part 11;

the cushion part 2 is arranged above the suspension part 11 in a bearing manner and is hinged with the suspension part 11, so that the cushion part 2 can rotate away from the position right above the suspension part 11.

When the power-assisted vehicle is used, the cushion part 2 is firstly pushed away from the position right above the suspension part 11, then the power-assisted vehicle is moved to the side of a piece of bedding or a piece of seating furniture for patients to lie and sit, the base 13 is pushed into the bottom of the bedding or the piece of seating furniture in a proper way, the supporting part 12 is positioned above the bedding or the piece of seating furniture, namely the edge of the bedding or the piece of seating furniture is accommodated in a space between the supporting part 12 and the suspension part 11, and the power-assisted vehicle is pushed towards the inner side of the bedding or the piece of seating furniture, so that the inner side of the supporting part 12 is propped against the outer edge of the. After the moped is initially stabilized, the cushion part 2 is pulled back to the position which can bear the weight above the suspension part 11, the patient is slightly moved and then placed on the cushion part 2, and then the moped is moved out of the edge of the bedding or the seat, and the patient is transferred to a target place.

The moped provided by the invention is provided with a space for accommodating the edge of the bedding or the seat, and the cushion part 2 for accommodating the patient can be directly moved to the upper part of the bedding or the seat when in use, so that the patient lying and sitting on the bedding or the seat can be arranged on the booster vehicle only by slightly moving the booster vehicle, and the moped is more practical especially for the patient who is not suitable for or can not move greatly in the rehabilitation process.

For the structure of the moped, the cushion part 2 is positioned above the suspension part 11, when a patient is placed on the cushion part 2, the cushion part 2 is pressed downwards, the suspension part 11 is squeezed, and meanwhile, the suspension part 11 provides an upward supporting force for the suspension part, so that the structure is stable, and the comfort level of the patient is improved; in the process of moving the patient, the moped is pushed towards the inner side of the bedding or the seat, so that the inner side of the supporting part 12 is propped against the outer side edge of the bedding or the seat, the stability of the moped is better, and the use is convenient.

The first embodiment of the specific hinge structure between the cushion part 2 and the suspension part 11 is that one side of the cushion part 2 is hinged to one side of the suspension part 11, and the other side is detachably connected to the other side of the suspension part 11 through the locking part 3.

In this embodiment, the cushion portion 2 is connected to one side of the suspended portion 11 by a single-opening door, and when the seat cushion is used, the locking member 3 is first adjusted to be in an open state, and then the cushion portion 2 is pushed to rotate around the hinge shaft so as to leave the position right above the suspended portion 11; when needing to return to the original position, the cushion part 2 is pulled back to the position right above the suspension part 11 and is locked by the locking part 3, and the operation is convenient.

The preferred embodiments of retaining member 3 mentioned in the above examples are: as shown in fig. 4 and 5, the lock includes a main lock body 31 and a lock tongue 32, wherein the main lock body 31 is disposed at the suspended portion 11 or the cushion portion 2, and the lock tongue 32 is disposed at a position corresponding to the cushion portion 2 or the suspended portion 11;

the main lock body 31 includes a lock piece 311, a spring part 312, a pressing piece 313 and a first hinge shaft 314, and the front end of the lock piece 311 is provided with an accommodating through groove 3111 with an opening at the front end; the front end of the pressing piece 313 is provided with a right-angle hook 3131, and the free end of the right-angle hook 3131 is provided with a backward inclined hook 3132; the spring part 312 is arranged in the locking block 311 and is abutted against the rear end of the pressing piece 313; the pressing member 313 is hinged to the locking piece 311 through the first hinge shaft 314, so that the right-angle hook 3131 is arranged side by side with the accommodating through groove 3111, and when the rear end of the pressing member 313 is not pressed, the right-angle hook 3131 just seals the front end opening of the accommodating through groove 3111, and the tail end of the hook 3132 abuts against the inner side wall of the accommodating through groove 3111 (locking state); when the rear end of the pressing member 313 is pressed, the right-angle hook 3131 rotates outward around the first hinge shaft 314 to open the front end opening of the accommodating through groove 3111 (unlocked state);

the latch 32 includes an upper latch block 321, a lower latch block 322, and a second hinge shaft 323, the upper latch block 321 and the lower latch block 322 are disposed in parallel, and the second hinge shaft 323 is vertically disposed between the upper latch block 321 and the lower latch block 322; in a locking state, the second hinge shaft 323 is accommodated in the accommodating through groove 3111, the accommodating through groove 3111 and the right-angle hook 3131 are accommodated between the upper latch block 321 and the lower latch block 322 at the same time, and when unlocking is required, the rear end of the pressing member 313 is pressed, the front end opening of the accommodating through groove 3111 is opened, and then the second hinge shaft 323 is pushed out of the accommodating through groove 3111, so that the operation is convenient.

The second embodiment of the specific hinge structure between the cushion part 2 and the suspension part 11 is that the cushion part 2 is composed of a left part and a right part, and the left part and the right part are respectively hinged with two sides of the suspension part 11;

the left part with the right part is through retaining member 3 detachably connected fixed, or respectively through retaining member 3 with the portion of suspending 11 detachably connected fixed.

In this embodiment, cushion portion 2 adopt two open-door formulas respectively with the both sides of suspension portion 11 are connected, and when cushion portion 2 was pulled back to 11 tops of suspension portion and need bear weight, be connected the left part and the right part of cushion portion 2 through retaining member 3 to cushion portion 2 and suspension portion 11 relatively stable after the guarantee equipment:

one of the installation modes can be that the number of the main lock bodies of the locking piece 3 is 1, and the locking piece is arranged in the suspended part 11; the number of the lock tongues is 2, and the lock tongues are respectively arranged at the left part and the right part;

another installation mode can be that the locking member 3's main lock body is 2, installs respectively in the both sides of suspended portion 11, and the spring bolt is 2, sets up respectively in left part and right part to correspond with 2 main lock bodies one by one.

Further, the seat cushion device also comprises a secondary locking piece 4, wherein one end of the secondary locking piece is fixed on the cushion part 2 or the suspension part 11, and the other end of the secondary locking piece is detachably connected and fixed on the suspension part 11 or the cushion part 2; the secondary locking member 4 and the locking member 3 are disposed on the same side of the suspended portion 11.

In order to further ensure the stability of the connection between the cushion part 2 and the suspended part 11 when the patient uses the power assisting vehicle, the secondary locking part 4 is added in the embodiment, and in order to be used as a supplementary locking measure of the locking part 3 more pertinently, the secondary locking part 4 is arranged at the same side with the locking part 3.

A preferred embodiment of the secondary locking member 4, as shown in fig. 3, includes a fixing ring 41, a connecting member 42, a fixing bolt 43 and a bolt hole, two ends of the connecting member 42 are respectively and fixedly connected to the fixing ring 41 and the fixing bolt 43, the fixing ring 41 is sleeved on the cushion portion 2 or the suspended portion 11, correspondingly, the bolt hole is disposed on the suspended portion 11 or the cushion portion 2, and when the fixing bolt 43 is inserted into the bolt hole, the positions of the cushion portion 2 and the suspended portion 11 are in a locking state.

In this embodiment, the fixing bolt is transversely inserted into the suspended portion 11 (or inserted into the suspended portion 11, which is described in this embodiment by taking the example of being inserted into the suspended portion 11), and the limited length of the connecting member 42 defines the relative movement between the seat cushion portion 2 and the suspended portion 11, so as to ensure the stability therebetween. The fixing bolt 43 is taken out of the bolt hole, so that the secondary locking of the cushion part 2 and the suspended part 11 can be released, and the use is convenient.

Furthermore, the cushion part 2 is provided with a backrest part 21 extending vertically upwards, and when the cushion part 2 moves relative to the suspended part 11, the backrest part 21 is accompanied with the cushion part 21. The backrest part 21 provides a support for a patient when the patient is placed on the seat part 2, and improves the practicability of the moped.

Furthermore, the cushion part 2 is a foldable cushion, so that the folding and the storage are convenient, and the occupied space is small, so that the moped can be further suitable for seats and beddings without structural forms;

preferably, the handle 23 for assisting the opening and closing of the cushion part 2 is fixedly connected with the cushion part 2, so that the use is convenient.

Furthermore, the middle part of the cushion part 2 is provided with a hollow hole 22 suitable for the sanitary ware to be mounted or placed, so that a patient can be directly conveyed to the toilet through the moped, and the hollow hole 22 is directly erected right above the toilet, so that the patient is prevented from moving for the second time when the patient is convenient; the toilet can also be directly fixed below the hollow hole 22 for patients to use.

Further, as shown in fig. 3, the cushion part 2 includes a transverse support bar 201, a longitudinal support bar 202, a cushion 203, and upper and lower hinges 204;

the transverse supporting rod 201 is horizontally arranged along one side of the seat cushion 203, the two longitudinal supporting rods 202 are arranged at two ends of the transverse supporting rod 201 in parallel, one longitudinal supporting rod 202 is hinged with one side of the suspended part 11, and the other longitudinal supporting rod 202 is detachably connected with the other side of the suspended part 11 through the locking piece 3;

the seat cushion 203 is hinged to the transverse support bar 201 via the upper and lower hinges 204 in a vertically foldable manner.

The embodiment discloses a concrete arrangement structure of the seat cushion part 2, and the seat cushion 203 is erected through the transverse support rod 201, the longitudinal support rod 202 and the upper and lower hinge pieces 204, so that the structure is simple, and the installation is convenient.

Further, the upper and lower hinge members 204 include an upper hinge portion 2041, an upper and lower hinge shaft 2042, and a lower hinge portion 2043;

the upper hinge part 2041 is provided with an inner concave curved surface which is adapted to the outer contour of the transverse supporting rod 201, the inner concave curved surface is attached to the transverse supporting rod 201, and the inner concave curved surface and the transverse supporting rod 201 are fixed through bolts;

the upper hinge 2041 and the lower hinge 2043 are connected to each other by the upper hinge shaft 2042;

the lower hinge portion 2043 is fixedly connected with the seat cushion 203.

In this embodiment, the upper hinge portion 2041 is provided with an inner concave curved surface adapted to the outer contour of the transverse support rod 201, the inner concave curved surface is attached to the transverse support rod 201 and the transverse support rod 201 are fixed by bolts, and the inner concave curved surface is connected with the transverse support rod 201, so that on one hand, the connection stability is improved (the curved surface increases the contact area between the two and also provides more limiting angles), and on the other hand, when the lower hinge portion 2043 is connected with the cushion 203, the distance between the cushion 203 and the suspended portion 11 in the vertical direction can be reduced as much as possible, so that the suspended portion 11 can better provide supporting force for the cushion portion 2.

Further, the supporting portion 12 is a height-adjustable rod structure; can be adapted to the patients with different body types, and the practicability is improved.

Preferably, as shown in fig. 7, the rod structure includes an outer sleeve 121, an inner sleeve 122 and a height adjustment locking member 123, the inner sleeve 122 is inserted into the outer sleeve 121 in a manner of being capable of telescopic movement along the vertical direction, and the two can be fixed in relative positions by the height adjustment locking member 123.

In this embodiment, the height adjusting locking member 123 is adjusted to a non-locking state, the inner sleeve 122 is pulled upwards or downwards to change the height thereof, and after the height is adjusted to a height suitable for the patient, the height adjusting locking member 123 is adjusted to a locking state.

The height adjusting locking member 123 mentioned in this embodiment may be an adjusting bolt, the adjusting bolt is inserted through the sidewall of the outer sleeve 121, and the end of the adjusting bolt is rotated inwards to abut against the outer sidewall of the inner sleeve 122, i.e. the adjusting bolt is in a locking state, otherwise, the adjusting bolt is in a non-locking state, so that the structure is simple, and the installation and the adjustment are convenient; it can also be a protrusion with a spring and a through hole distributed at intervals in the longitudinal direction (similar to the height adjusting and locking structure of a multi-section umbrella), etc., and the height adjustment and locking can be solved and fall into the protection scope of the patent.

Preferably, side armrests 5 are respectively arranged on two sides of the backrest part 21;

preferably, the bottom of the base 13 is provided with wheels 6 for facilitating the movement thereof, thereby facilitating the use.

Furthermore, 4 wheels 6 are evenly distributed at the bottom of the

base

13, and 2 wheels 6 in the advancing direction are larger than 2 wheels 6 at the rear end, so that the practicability is improved.

Further, as shown in fig. 6, a front armrest 7 with adjustable height is arranged at the front part of the supporting part 12;

preferably, the front handle 7 includes a vertical portion 71, a first horizontally extending portion 72, and a second horizontally extending portion 73, the second horizontally extending portion 73 being disposed in parallel to the length direction of the suspended portion 1;

the first horizontal extension parts 72 are arranged perpendicular to the length direction of the suspended part 1, and the two first horizontal extension parts 72 are respectively and vertically connected to two ends of the second horizontal extension part 73;

the vertical portions 71 extend in the front of the support portion 12 along the vertical direction, the height of the two vertical portions is adjustable in the vertical direction, and the two vertical portions 71 are respectively vertically connected and arranged at the inner ends of the two first horizontal extending portions 72.

In this embodiment, the front armrest 7 is disposed at the front end of the support portion 12, so that a patient conveniently placed on the power-assisted vehicle can hold the front armrest smoothly to ensure self balance, and the power-assisted vehicle is convenient to use.

The height adjustment of the front armrest 7 is achieved by adjusting the height of the vertical portion 71, which facilitates the use.

Furthermore, a pedal part 8 is arranged below the front part of the support part 12, one end of the pedal part 8 is connected with the support part 12, and the other end extends outwards horizontally, so that the use is convenient.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A moped is characterized in that: comprises a main frame and a cushion part;

2. The moped according to claim 1, characterized in that: one side of the cushion part is hinged with one side of the suspension part, and the other side of the cushion part is detachably connected with the other side of the suspension part through a locking part.

3. The moped according to claim 1, characterized in that: the cushion part consists of a left part and a right part, and the left part and the right part are respectively hinged with two sides of the suspension part;

4. The moped according to claim 2 or 3, characterized in that: the seat cushion further comprises a secondary locking piece, one end of the secondary locking piece is fixed on the seat cushion part or the suspension part, and the other end of the secondary locking piece is detachably connected and fixed on the suspension part or the seat cushion part; the secondary locking piece and the locking piece are arranged on the same side of the suspended part;

5. The moped according to claim 1, characterized in that: the cushion part is vertically and upwards extended and provided with a backrest part.

6. The moped according to claim 1, characterized in that: the cushion part is a foldable cushion;

7. The moped according to claim 1 or 6, characterized in that: the middle part of the cushion part is provided with a hollow hole which is suitable for the sanitary ware to be mounted or placed.

8. The moped according to claim 7, characterized in that: the cushion part comprises a transverse support rod, a longitudinal support rod, a cushion and an upper hinge part and a lower hinge part;

9. The moped according to claim 8, characterized in that: the upper and lower hinge parts comprise an upper hinge part, a hinge shaft and a lower hinge part;

the lower hinge part is fixedly connected with the cushion.

10. The power-assisted vehicle according to claim 1, characterized in that: the supporting part is of a rod body structure with adjustable height;