CN214689897U - Portable electric vehicle-mounted folding rest backrest - Google Patents

Abstract

The utility model belongs to the technical field of on-vehicle apparatus, a portable electric motor car is on-vehicle folding rest back is related to. The utility model discloses a structural feature utilizes 180 degrees hinge connection headrest frame and first backplate frame, first backplate frame and second backplate frame, utilizes hinged joint second backplate frame and waist pillow frame, makes whole frame divide into four sections collapsible frames, through the folding state of accomodating for little volume, conveniently carrying of the back that will expand of sectional type. Experiments show that the mechanical structure of the folding backrest can bear the strength of leaning of adults on the premise of allowable material strength.

Description

Portable electric vehicle-mounted folding rest backrest

Technical Field

The utility model belongs to the technical field of on-vehicle apparatus, a portable electric motor car is on-vehicle folding rest back is related to.

Background

The existing outdoor folding tool, particularly a backrest for rest, is generally placed on outdoor flat ground, is formed by combining some wooden or metal pipes and fabrics, and is connected through structures such as buckles, common rotating shafts and hinges with larger volume, and the like, and is maintained in an unfolded state by a self-locking structure or traction force of the fabrics under a load state. Its back is generally in the integrated state with the headrest, leads to the whole back volume of accomodating of product great, and back to headrest generally be simple integration planar design.

For example: folding deck chair on the existing market does not have the product that supports the waist alone in the function temporarily, can't use the scene adaptation with the electric motor car on, need place subaerial alone, and folding back is big, shared accommodation space is big, and the aesthetic property is not enough. Vehicle-mounted lumbar support back cushions on the market are mainly soft woven and are not suitable for outdoor electric vehicles.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to utilize the back seat space of electric motor car, provide one kind and can place the collapsible mechanical structure on the electric motor car, provide interim on-vehicle rest condition. Besides the folding-unfolding function, the design of integrally fitting the human body curve can provide better support for the waist and the neck of the human body, so that a user feels more comfortable when leaning. In addition, the utility model has simple structure, easy operation, small volume after folding, light weight and easy carrying.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

a portable electric vehicle-mounted folding rest backrest comprises a folding structure, an outer cloth cover and a containing lace; the folding structure comprises a frame a, a frame b, a frame c, a frame d, a folding hinge a, a folding hinge b and a ratchet wheel hinge; the outer wrapping cloth cover comprises a cloth cover a, a cloth cover b, a cloth cover c and a cloth cover d; the storage lace comprises an elastic band a, a buckle and an elastic band b.

The frame a and the frame b are connected by a folding hinge a, the frame b and the frame c are connected by a folding hinge b, and the frame c and the frame d are connected by a ratchet wheel hinge. The foldable hinge a for connecting the frame a and the frame b is arranged on the front side of the frame, and the foldable hinge b for connecting the frame b and the frame c is arranged on the back side of the frame;

the foldable hinge a comprises a frame a connected with the hinge, a frame b connected with the hinge, a bearing structure a, a bearing structure b, a bearing rotor, a bearing stator a, a bearing stator b, a screw a and a screw b. The bearing structure a is fixed on the frame a through a screw a and serves as a fixed end of the bearing stator a. Folding hinge a is in the utility model discloses folding in-process, frame a and frame b's fifty percent discount in-process promptly plays the effect of connecting: when the frame a and the frame b are folded in half, the bearing structure a, the bearing stator a and the screw a are fixed with the frame a and move synchronously, the bearing structure b, the bearing stator b and the screw b are fixed with the frame b and move synchronously, and two ends of the bearing rotor are respectively nested with the bearing stator a and the bearing stator b to play a role in connection in the rotating process.

The ratchet wheel hinges between the frame c and the frame d are connected with the two frames in an inserting mode, the two ratchet wheel hinges are connected by the connecting belt b, and the ratchet wheel hinges are used as a handle of the utility model after being folded; the surfaces of the frame a, the frame b, the frame c and the frame d are covered by micro-elastic cloth.

The connecting band a is a strip-shaped cloth bag and is connected with the ratchet wheel hinges at two ends, and the connecting band is mainly used for decorating and shielding the blank between the structures, so that the external appearance is more attractive. Connecting band b is the strip elastic webbing, and the centre cover has the ring of holding of weaving the preparation, and the effect makes things convenient for the gripping to carry the folding mechanical structure of the utility model description. The elastic band a is connected with the buckle and the frame d, the elastic band b is connected with the insert buckle and the frame d, and the buckle and the insert buckle can be mutually jointed.

During folding operation, the frame a is folded forwards by taking the folding hinge a as a center until the frame a is attached to the frame b; then, the frame a and the frame b are turned backwards by taking the folding hinge b as a center until the frame a and the frame b are attached to the frame c; then, the frame a, the frame b and the frame c are turned backwards by taking the ratchet wheel hinge as a center; and finally, mutually jointing the buckle and the socket, fixing the folded shape of the folding structure, and finishing the folding and the storage of the whole frame.

The utility model discloses a focus is on solving back frame's folding problem, and its structural feature is: utilize 180 degrees hinge connection headrest frame and first backplate frame, first backplate frame and second backplate frame, utilize hinged joint second backplate frame and waist pillow frame, make whole frame divide into the collapsible frame of four sections, through the sectional type folding with the back folding little volume of expansion, the state of accomodating that conveniently carries. Experiments show that the mechanical structure of the folding backrest can bear the strength of leaning of adults on the premise of allowable material strength.

The utility model has the advantages that:

1 is more suitable for being used on electric vehicles than the common outdoor rest folding tool structure. The in-process of riding the electric motor car trip can be with the help of this utility model short duration rest on the electric motor car.

2 besides the folding-unfolding function, the side surface curve of the frame is designed to fit the spine curve of the human body, so that the human body can be guided to have a more healthy rest posture.

3 the utility model discloses according to different motorcycle types, do not change foundation structure, adjust the size of a dimension, can match electric motor car, the motorcycle of different motorcycle types, join in marriage the moderate degree height.

Drawings

FIG. 1 is a front view of the overall structure of a vehicle-mounted folding backrest;

FIG. 2 is a left side view of the overall structure of the vehicle-mounted folding backrest;

FIG. 3 is a front view of the overall folding structure of the vehicle-mounted folding backrest;

FIG. 4 is a left side view of the overall folding structure of the vehicle folding backrest;

FIG. 5 is a folding hinge portion;

FIG. 6(a) is a front view of the folding hinge;

FIG. 6(b) is a side view of the folding hinge;

FIG. 6(c) is a perspective view of a folding hinge;

fig. 6(d) is a schematic perspective view of hinge turns.

In the figure: 1 a frame a; 2, cloth cover a; 3, a frame b; 4, cloth cover b; 5 a frame c; 6, cloth surface c; 7 connecting the belt a; 8, a frame d; 9 cloth cover d; 10 elastic band a; 11, buckling; 12, inserting and buckling; 13 elastic band b; 14 folding the hinge a; 15 folding the hinge b; 16 ratchet wheel hinges; 17, a holding ring; 18 connecting the belt b; 19 a frame a connected with the hinge; 20 a frame b linked with the hinge; 21 receiving structure a; 22 receiving structure b; 23 bearing rotor; 24 bearing stator a; 25 bearing stator b; 26, a screw a; 27 screw b.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, a vehicle-mounted foldable mechanical structure suitable for being used on an electric vehicle can be folded into a pattern shown in fig. 3. Wherein the folding structure comprises a frame a1, a frame b3, a frame c5, a frame d8, a folding hinge a14, a folding hinge b15 and a ratchet hinge 16; the outer wrapping cloth cover comprises a cloth cover a2, a cloth cover b4, a cloth cover c6 and a cloth cover d 9; the containing lace comprises an elastic band a10, a buckle 11, a buckle 12 and an elastic band 13.

The connecting belt a7 is a strip-shaped cloth bag and is connected with the ratchet wheel hinges 16 at two ends, and the connecting belt is mainly used for decorating and shielding the blank between the structures, so that the external appearance is more attractive. Connecting band b18 is strip elastic webbing, and the centre cover has the ring 17 of holding of weaving the preparation, and the effect is convenient for the gripping to carry the folding mechanical structure of the utility model description. The elastic band 10 connects the buckle 11 with the frame 8, the elastic band 13 connects the insert buckle 12 with the frame 8, and the buckle 11 and the insert buckle 12 can be jointed with each other.

During the folding operation, the frame a1 is firstly folded forwards by taking the folding hinge a14 as the center until the frame a1 is attached to the frame b 3; then, the frame a1 and the frame b3 are folded backwards by taking the folding hinge b15 as a center until the frames are attached to the frame c 5; then the frame a1, the frame b3 and the frame c5 are turned backwards by taking the ratchet hinge 16 as a center; finally, the buckle 11 and the socket 12 are mutually jointed, and the folded structure is fixed, so that the folding and the storage of the whole frame are completed.

The above-mentioned embodiments only represent the embodiments of the present invention, but can not be understood as the limitation of the scope of the present invention, it should be pointed out that, for those skilled in the art, without departing from the concept of the present invention, several variations and improvements can be made, and all of them belong to the protection scope of the present invention.

Claims (3)

1. A portable electric vehicle-mounted folding rest backrest is characterized by comprising a folding structure, an outer cloth cover and a containing lace; the folding structure comprises a frame a (1), a frame b (3), a frame c (5), a frame d (8), a folding hinge a (14), a folding hinge b (15) and a ratchet wheel hinge (16); the outer wrapping cloth cover comprises a cloth cover a (2), a cloth cover b (4), a cloth cover c (6) and a cloth cover d (9); the containing lace comprises an elastic band a (10), a buckle (11), a buckle (12) and an elastic band b (13);

the frame a (1) is connected with the frame b (3) by a folding hinge a (14), the frame b (3) is connected with the frame c (5) by a folding hinge b (15), and the frame c (5) is connected with the frame d (8) by a ratchet wheel hinge (16); the folding hinge a (14) for connecting the frame a (1) and the frame b (3) is arranged on the front surface of the frame, and the folding hinge b (15) for connecting the frame b (3) and the frame c (5) is arranged on the back surface of the frame;

the folding hinge a (14) comprises a frame a (19) connected with the hinge, a frame b (20) connected with the hinge, a receiving structure a (21), a receiving structure b (22), a bearing rotor (23), a bearing stator a (24), a bearing stator b (25), a screw a (26) and a screw b (27); the bearing structure a (21) is fixed on a frame a (19) connected with the hinge through a screw a (26) and is used as a fixed end of a bearing stator a (24); the folding hinge a (14) plays a role in connection during the folding process, namely, the folding process of the frame a (19) connected with the hinge and the frame b (20) connected with the hinge: when a frame a (19) connected with the hinge and a frame b (20) connected with the hinge are folded in half, a bearing structure a (21), a bearing stator a (24), a screw a (26) and the frame a (19) connected with the hinge are fixed and move synchronously, and similarly, a bearing structure b (22), a bearing stator b (25), a screw b (27) and the frame b (20) connected with the hinge are fixed and move synchronously, and two ends of a bearing rotor (23) are respectively nested with the bearing stator a (24) and the bearing stator b (25) to play a connecting role in the rotating process.

2. The portable electric vehicle-mounted folding rest backrest as claimed in claim 1, wherein the ratchet hinges (16) between the frames c (5) and d (8) are connected with the two frames in a plugging manner, the two ratchet hinges (16) are connected with the connecting band b (18), and the portable electric vehicle-mounted folding rest backrest is used as a handle after being folded; the surfaces of the frame a (1), the frame b (3), the frame c (5) and the frame d (8) are covered with micro-elastic cloth.

3. The portable electric vehicle-mounted folding rest backrest as claimed in claim 1 or 2, wherein the connection belt a (7) is a cloth strip, and ratchet hinges (16) are connected to both ends; the connecting belt b (18) is a strip-shaped elastic belt, and a holding ring (17) made of woven fabric is sleeved in the middle of the connecting belt b; the elastic band a (10) connects the buckle (11) and the frame d (8), the elastic band b (13) connects the insert buckle (12) and the frame d (8), and the buckle (11) and the insert buckle (12) can be mutually jointed.

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