CN220025036U - Folding wheelchair - Google Patents

Abstract

The utility model discloses a folding wheelchair, which comprises a folding seat and rollers arranged at the lower part of the folding seat and used for rolling, wherein the rollers are connected with a driving source, the driving source is arranged on the folding seat, the folding seat comprises a stool part and a backrest part, a front frame and a rear frame are correspondingly arranged on the lower surfaces of the front surface and the back surface of the stool part, the lower part of the rear frame is connected with the lower surface of the front surface of the stool part through a linkage frame, the front frame and the rear frame are connected through a pushing rod, and lock catches are arranged on the front frame and the rear frame. The folding and unfolding states are realized through mechanical cooperation, so that the difficulty and cost input of production and manufacture are reduced, the whole weight is reduced, and the carrying by a user is facilitated.

Description

Folding wheelchair

Technical Field

The utility model relates to the technical field of walking aid equipment, in particular to a folding wheelchair.

Background

The folding wheelchair is widely used, such as the old, and is divided into three wheels and four wheels, and has the characteristics of simple driving, light weight, rapidness, congestion avoidance and the like, so that the folding wheelchair is greatly welcomed by the market. However, the existing scooter lacks reasonable folding design and has larger volume, and particularly when the product is idle, the scooter cannot be effectively folded, and part of the product can only be folded by a seat or a scooter body, and the whole folding cannot be realized, so that the scooter is limited in the logistics transportation process. Thus, a foldable scooter for elderly people, such as a scooter for elderly people, which is convenient to fold, is disclosed in the chinese patent with an issued publication number CN212313775U, and the foldable scooter needs to be electrically operated, and although the foldable scooter is electrically folded and unfolded, the foldable scooter is complicated in structure, so that the difficulty of production and manufacture is increased, and the overall weight of the scooter is increased, so that the scooter is inconvenient for people to carry, and thus improvement is necessary for the defect.

Disclosure of Invention

First, the technical problems to be solved

Aiming at the defects in the prior art, the utility model provides a folding wheelchair which is designed to realize two states of folding and unfolding through mechanical cooperation, reduces the difficulty and cost investment of production and manufacture, is beneficial to reducing the overall weight, and is convenient for users to carry.

(II) technical proposal to be adopted

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a folding wheelchair, is in including folding seat and setting folding seat lower part is provided with the gyro wheel that is used for rolling, just the gyro wheel is connected with the drive source, the drive source sets up folding seat is last, folding seat is including sitting bench portion and back portion, the front of sitting bench portion and the lower surface on back correspond be provided with preceding frame and back frame, and back frame lower part with the positive lower surface of sitting bench portion is connected through the linkage frame, connect through the catch between preceding frame and the back frame, all be provided with the hasp on preceding frame and the back frame.

Preferably, the front frame comprises a first front rod and a second front rod which are arranged on the front surface of the stool part, and the first front rod and the second front rod are connected through at least one connecting rod; the back frame is in including setting up back pole one and back pole two at the bench portion back, back pole one is connected through the sill bar with back pole two lower terminal surfaces, just sill bar both ends are provided with the gyro wheel, and be in connect through at least one connecting rod between back pole one and the back pole two, install on connecting rod and the sill bar the actuating source.

Preferably, the device further comprises a cross bar arranged between the rollers, two ends of the cross bar are connected through connecting plates, and the linkage frame penetrates through the connecting plates to be fixed on the cross bar.

Preferably, the lock catch comprises a first front rod, a second front rod, a first rear rod and a second rear rod, wherein the first front rod and the second rear rod are respectively composed of an upper rod and a lower rod, and a lock catch piece is arranged between the upper rod and the lower rod.

Preferably, the bench portion comprises a bench frame and a seating surface disposed on the bench frame; the backrest part comprises a backrest frame arranged on the stool frame, a backrest is arranged on the backrest frame, and a hand pushing rod is arranged at the upper end of the backrest frame.

Preferably, both sides of the stool part are provided with armrest parts, one of the armrest parts is provided with a telescopic part, the telescopic part is provided with a control panel, and the control panel is connected with the driving source.

Preferably, a pedal mechanism for placing feet is arranged on the front frame, the pedal mechanism comprises a pedal frame arranged on the front frame, and a pedal is arranged on the pedal frame.

Preferably, the roller comprises a front wheel arranged at the lower part of the front frame and a rear wheel arranged at the lower part of the rear frame, and an auxiliary wheel arranged close to the rear wheel, wherein the outer diameter of the auxiliary wheel is smaller than that of the rear wheel, the auxiliary wheel is positioned between the two rear wheels, the rear wheels are respectively in driving connection with the driving source, and the driving source is arranged on the rear frame.

(III) technical effects to be achieved

Compared with the prior art, the utility model has the beneficial effects that:

the folding seat comprises a seat body and a roller arranged at the lower part of the seat body and used for rolling, the roller is connected with a driving source, the driving source is arranged on the seat body, the seat body comprises a seat body and a backrest, a front frame and a rear frame are correspondingly arranged on the lower surfaces of the front surface and the back surface of the seat body, the lower surface of the rear frame is connected with the lower surface of the front surface of the seat body through a linkage frame, the front frame and the rear frame are connected through a push rod, and lock catches are arranged on the front frame and the rear frame.

The utility model comprises a folding seat and a roller wheel arranged at the lower part of the folding seat and used for rolling, the roller wheel is connected with a driving source, the driving source is arranged on the folding seat, the folding seat comprises a stool part and a backrest part, a front frame and a rear frame are correspondingly arranged on the front surface of the stool part and the lower surface of the back surface, the lower part of the rear frame is connected with the lower surface of the front surface of the stool part through a linkage frame, the front frame and the rear frame are connected through the push rod, the front frame and the rear frame are respectively provided with a lock catch, the lock catch is only required to be opened in the folding mode, then the front frame and the rear frame are pushed to be folded through the rear frame, the push rod is driven to push the front frame and the rear frame to be folded through the rear frame, and the folding device is simpler in the manual operation process and higher in practicability.

Drawings

FIG. 1 is a schematic side view of the present utility model.

Fig. 2 is a schematic perspective view of the present utility model.

Fig. 3 is a schematic bottom perspective view of the present utility model.

In the figure: 1, folding a seat; 2, a roller; 3, a driving source; 10, a pedal mechanism; 11, a stool part; 12, a backrest part; 13, a front frame; 14, a rear frame; 15, linkage frame; 16, pushing the rod; 17, locking; 18, a handrail part; 19, a telescopic part; 21, front wheels; 22, rear wheels; 23, auxiliary wheels; 101, a pedal frame; 102, a pedal; 111, a bench frame; 112, seating surface; 121, a backrest frame; 122, a backrest; 123, pushing the hand lever; 131, front bar one; 132, a front rod two; 133, connecting rods; 141, rear pole one; 142, rear bar two; 143, a bottom bar; 144, a connecting rod; 145, a cross bar; 146, connecting plates; 171, upper pole; 172, lower rod; 173, locking piece.

Detailed Description

In the description of the present utility model, it should be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected or indirectly connected to the other element.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "length", "width", "thickness", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of description and simplicity of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two original parts. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

Embodiment one: referring to fig. 1, 2 and 3, a folding wheelchair comprises a folding seat 1 and a roller 2 arranged at the lower part of the folding seat 1 and used for rolling, wherein the roller 2 is connected with a driving source 3, the driving source 3 is arranged on the folding seat 1, and the roller 2 is driven to rotate by the driving source 3, so that the walking of the scooter of the utility model is realized. The folding seat 1 comprises a stool part 11 and a backrest part 12, a front frame 13 and a rear frame 14 are correspondingly arranged on the lower surfaces of the front surface and the back surface of the stool part 11, the lower part of the rear frame 14 is connected with the lower surface of the front surface of the stool part 11 through a linkage frame 15, and the front frame 13 and the rear frame 14 are connected through a push rod 16, so that the folding seat not only can push the front frame 13 and the rear frame 14 to fold, but also can unfold and support the back, and lock catches 17 are arranged on the front frame 13 and the rear frame 14, so that the folding and unfolding are purely mechanical, the complicated electromechanical structure is avoided, the difficulty of production and manufacture is reduced, the weight of the folding seat is correspondingly reduced, and the folding seat is convenient to carry manually.

When the folding device is used, the front frame 13 and the rear frame 14 are folded by opening the corresponding catches 17 on the front frame 13 and the rear frame 14 and then driving the push rod 16 through the rear frame 14 to push the front frame 13, and after the front frame 13 and the rear frame 14 are unfolded, the catches 17 on the front frame 13 and the rear frame 14 are respectively locked, so that the unfolding state is realized.

Embodiment two: as shown in fig. 1, 2 and 3, the front frame 13 includes a first front rod 131 and a second front rod 132 disposed on the front surface of the seat 11, and the first front rod 131 and the second front rod 132 are connected by at least one connecting rod 133, and in this embodiment, two connecting rods 133 are used. The rear frame 14 comprises a first rear rod 141 and a second rear rod 142 which are arranged on the back of the seat part 11, the lower end surfaces of the first rear rod 141 and the second rear rod 142 are connected through a bottom rod 143, the two ends of the bottom rod 143 are provided with the idler wheels 2, the first rear rod 141 and the second rear rod 142 are connected through at least one connecting rod 144, in the embodiment, the connecting rods 144 are two, the connecting rods 144 and the bottom rod 143 are provided with the driving source 3, the design is reasonable, the structure is simple, the implementation is convenient, the rear frame also comprises a cross rod 145 arranged between the idler wheels 2, the two ends of the cross rod 145 are connected through connecting plates 146, and the linkage frame 15 passes through the connecting plates 146 to be fixed on the cross rod 145, so that the rear frame 14 can conveniently drive the front frame 13 to move through the linkage frame 15. Whereas in the present embodiment, the cross bars 145 are parallel to each other, the linkage frame 15 has a simple structure and is convenient to assemble.

As shown in fig. 1, 2 and 3, the lock catch 17 includes a first front rod 131 and a second front rod 132, and a first rear rod 141 and a second rear rod 142, which are respectively formed by an upper rod 171 and a lower rod 172, a lock catch 173 is disposed between the upper rod and the lower rod 172, and the upper rod 171 and the lower rod 172 can be moved and unfolded by opening and closing the lock catch 173, so as to realize folding and unfolding of the front frame 13 and the rear frame 14, when in use, each lock catch 173 on the first front rod 131 and the second front rod 132, and the first rear rod 141 and the second rear rod 142 needs to be opened, so that the upper rod 171 and the lower rod 172 can be folded, and then the rear frame 14 drives the push rod 16 to push the front frame 13, so that the upper rod 171 and the lower rod 172 are rotated and folded together; when the front frame 13 and the rear frame 14 need to be unfolded, each locking piece 173 on the front rod 131 and the front rod 132, and the rear rod 141 and the rear rod 142 need to be closed and locked after the front frame 13 and the rear frame 14 are unfolded. The locking member 173 is known to those skilled in the art (such as the type of locking member disclosed in the chinese patent publication No. CN 211055296U), and will not be described in detail herein.

Embodiment III: the first embodiment or the second embodiment can be described as shown in fig. 1, 2 and 3, the bench portion 11 includes a bench frame 111 and a sitting surface 112 disposed on the bench frame 111, and this arrangement is convenient to implement. The backrest 12 includes a backrest frame 121 disposed on the bench frame 111, and a backrest 122 is disposed on the backrest frame 121, which is convenient for implementation, and it is also desirable to say that a hand pushing rod 123 is disposed at the upper end of the backrest frame 121, so that a person more accompanying or guardian can travel while sitting, and the use safety is improved.

Embodiment four: it is to be noted that, as shown in fig. 1, 2 and 3, two sides of the bench 11 are provided with armrest portions 18, one of the armrest portions 18 is provided with a telescopic portion 19, the telescopic portion 19 is provided with a control panel, the control panel is connected with the driving source 3, and the opening and closing and the size of the driving source 3 can be controlled by the control panel, so as to further control the start and stop and the speed of the scooter in the past. In this embodiment, the telescopic portion 19 includes a first fixing rod 191 disposed on the armrest portion, a second fixing rod 193 is connected to the first fixing rod 191 through a movable joint 192, and the control panel is disposed on the second fixing rod 193, so that the telescopic portion 19 is facilitated to be telescopic, and thus the telescopic portion is convenient to be folded and unfolded, wherein the movable joint 192 is implemented by adopting a movable shaft.

Fifth embodiment: the present utility model can be described on the basis of the first embodiment, the second embodiment, the third embodiment, or the fourth embodiment, as shown in fig. 1, 2, and 3, wherein the front frame 13 is provided with a pedal mechanism 10 for placing a foot, the pedal mechanism 10 includes a pedal frame 101 provided on the front frame 13, the pedal frame 101 is provided with a pedal 102, and a user can place the foot on the pedal 102.

Example six: the wheel 2 includes a front wheel 21 disposed at a lower portion of the front frame 13 and a rear wheel 22 disposed at a lower portion of the rear frame 14, as shown in fig. 1, 2 and 3, in order to further improve the safety performance of use, and an auxiliary wheel 23 disposed near the rear wheel 22, an outer diameter of the auxiliary wheel 23 is smaller than an outer diameter of the rear wheel 22, and is disposed between the two rear wheels 22, so that the running stability of the scooter can be improved, after the scooter is folded and stored, a user can hold the pushing rod 123 by hand, roll on the ground through the auxiliary wheel 23, and carry more easily, the rear wheel 22 is respectively connected with the driving source 3 in a driving manner, and the opening and closing and rotation speeds of the rear wheel 22 are controlled through the driving source 3, and the driving source 3 is disposed on the rear frame 14, so that the occupied space is reduced, the design is more reasonable, and the driving source 3 adopts a motor, so that the scooter is convenient to implement.

Standard parts used in the document of the utility model can be purchased from the market, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets and the like in the prior art, the internal parts of the motor and the control panel adopt conventional models in the prior art, the internal structure of the motor and the control panel belongs to the prior art structure, a worker can finish normal operation of the motor and the control panel according to the prior art manual, and the circuit connection adopts the conventional connection modes in the prior art, so that the specific description is not made.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present utility model is not limited thereby. Therefore, based on the innovative concepts of the present utility model, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solutions directly or indirectly to other relevant technical fields, all of which are included in the scope of protection of the present patent.

Claims (9)

1. The utility model provides a folding wheelchair, is in including folding seat (1) and setting folding seat (1) lower part is provided with gyro wheel (2) that are used for rolling, just gyro wheel (2) are connected with actuating source (3), actuating source (3) set up folding seat (1) is last, its characterized in that: the folding seat (1) comprises a stool part (11) and a backrest part (12), a front frame (13) and a rear frame (14) are correspondingly arranged on the front surface and the lower surface of the back of the stool part (11), the lower part of the rear frame (14) is connected with the front lower surface of the stool part (11) through a linkage frame (15), the front frame (13) and the rear frame (14) are connected through a pushing rod (16), and lock catches (17) are respectively arranged on the front frame (13) and the rear frame (14).

2. The folding wheelchair of claim 1 wherein: the front frame (13) comprises a first front rod (131) and a second front rod (132) which are arranged on the front surface of the stool part (11), and the first front rod (131) and the second front rod (132) are connected through at least one connecting rod (133); the back frame (14) is including setting up back pole one (141) and back pole two (142) at stool portion (11) back, back pole one (141) and back pole two (142) lower terminal surface are connected through sill bar (143), just sill bar (143) both ends are provided with gyro wheel (2), and be in be connected through at least one connecting rod (144) between back pole one (141) and back pole two (142), install on connecting rod (144) and sill bar (143) actuating source (3).

3. The folding wheelchair of claim 2 wherein: the device further comprises a cross rod (145) arranged between the rollers (2), two ends of the cross rod (145) are connected through connecting plates (146), and the linkage frame (15) passes through the connecting plates (146) to be fixed on the cross rod (145).

4. A folding wheelchair as claimed in claim 2 or 3, characterised in that: the lock catch (17) comprises a first front rod (131), a second front rod (132), a first rear rod (141) and a second rear rod (142), wherein the first front rod and the second front rod are respectively composed of an upper rod (171) and a lower rod (172), and a lock catch piece (173) is arranged between the upper rod (171) and the lower rod (172).

5. A folding wheelchair as claimed in claim 1 or 2 or 3, characterised in that: the stool part (11) comprises a stool frame (111) and a seating surface (112) arranged on the stool frame (111); the backrest part (12) comprises a backrest frame (121) arranged on the stool frame (111), a backrest (122) is arranged on the backrest frame (121), and a hand pushing rod (123) is arranged at the upper end of the backrest frame (121).

6. A folding wheelchair as claimed in claim 1 or 2 or 3, characterised in that: both sides of the stool part (11) are provided with armrest parts (18), one armrest part (18) is provided with a telescopic part (19), the telescopic part (19) is provided with a control panel, and the control panel is connected with the driving source (3).

7. The folding wheelchair of claim 6 wherein: the telescopic part (19) comprises a first fixed rod (191) arranged on the armrest part (18), a second fixed rod (193) is connected to the first fixed rod (191) through a movable joint (192), and the control panel is arranged on the second fixed rod (193).

8. The folding wheelchair of claim 1 or 2 or 3 or 7, characterized in that: the pedal mechanism (10) for placing feet is arranged on the front frame (13), the pedal mechanism (10) comprises a pedal frame (101) arranged on the front frame (13), and a pedal (102) is arranged on the pedal frame (101).

9. The folding wheelchair of claim 1 or 2 or 3 or 7, characterized in that: the roller (2) comprises a front wheel (21) arranged at the lower part of the front frame (13) and a rear wheel (22) arranged at the lower part of the rear frame (14), and an auxiliary wheel (23) arranged close to the rear wheel (22), wherein the outer diameter of the auxiliary wheel (23) is smaller than that of the rear wheel (22), the auxiliary wheel (23) is positioned between the two rear wheels (22), the rear wheels (22) are respectively connected with the driving source (3) in a driving way, and the driving source (3) is arranged on the rear frame (14).