CN216994656U - Back connection structure and electric bicycle - Google Patents

Abstract

The application discloses back connection structure and electric bicycle relates to electric motor car technical field. The rear backrest connecting structure comprises a frame, a shell wrapped on the frame and a backrest pipe installed on the frame, wherein the backrest pipe is integrally bent and formed, the backrest pipe penetrates through the shell to be detachably installed on the frame, and a buffering piece is installed on the backrest pipe. It can simplify the back structure, reduce manufacturing cost.

Description

Back connection structure and electric bicycle

Technical Field

The application relates to the technical field of electric vehicles, in particular to a rear backrest connecting structure and an electric bicycle.

Background

The electric bicycle is a mechatronic personal transportation tool which takes a storage battery as auxiliary energy and is provided with a motor, a controller, the storage battery, operating components such as a rotating handle, a brake handle and the like and a display instrument system on the basis of a common bicycle, wherein the storage battery is charged when the storage battery is parked, and the storage battery discharges electricity when the storage battery runs and drives a travelling wheel to rotate through a driving motor and a transmission mechanism so as to realize running.

Electric vehicles are generally provided with a back backrest, and a user can relieve the fatigue of waist muscles on the back backrest during riding. The backrest of the vehicle type on the market is usually complex in structure and high in manufacturing cost.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a back connection structure and electric bicycle, it can simplify back structure, reduces manufacturing cost.

The embodiment of the application is realized as follows:

an aspect of this application embodiment provides a back connection structure, including the frame, the parcel is in casing on the frame, and install back pipe on the frame, back pipe an organic whole bending shaping just the back pipe passes casing demountable installation is in on the frame, install the bolster on the back pipe.

Optionally, the backrest tube comprises an abutting section, and a supporting section and a mounting section which are sequentially connected at two opposite ends of the abutting section respectively, and the abutting section, the supporting section and the mounting section are perpendicular to each other in pairs.

Optionally, the two support sections are arranged in parallel, and the two mounting sections are arranged in parallel.

Optionally, two fixing plates are correspondingly arranged on the frame, and the two mounting sections are detachably connected with the two fixing plates respectively.

Optionally, two of the mounting segments are respectively provided with a mounting bushing, and the fastener passes through the mounting bushing to be fixed on the fixing plate.

Optionally, the buffer is mounted on the abutting section and is adhesively connected with the abutting section.

Optionally, a first through hole and a second through hole are formed in the shell, and the two mounting sections respectively penetrate through the first through hole and the second through hole.

Optionally, the buffer piece is arranged to be a columnar structure, a through hole is formed in the buffer piece, and the backrest tube can penetrate through the through hole, so that the buffer piece is sleeved on the backrest tube.

Optionally, the buffer member comprises a sponge body and a leather sheath wrapping the sponge body.

In another aspect of the embodiments of the present application, there is provided an electric bicycle including the back rest connection structure as set forth in any one of the above.

The beneficial effects of the embodiment of the application include:

the embodiment of the application provides a back connection structure and electric bicycle, including the frame, the casing of parcel on the frame to and install the back pipe on the frame, back pipe integrative bending shaping and back pipe pass casing demountable installation on the frame, in order to save the processing cost of back, install the bolster on the back pipe, simplified the structure of back, improve the comfort level of back simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural view of a rear backrest connection structure provided in an embodiment of the present application;

fig. 2 is a second schematic structural view of a backrest connecting structure according to an embodiment of the present application;

fig. 3 is a third schematic structural view of a rear backrest connection structure according to an embodiment of the present application;

fig. 4 is a schematic structural view of a backrest tube in a rear backrest connection structure provided in an embodiment of the present application.

Icon: 100-a rear backrest connection structure; 110-a frame; 111-a fixed plate; 120-a housing; 121 — a first via; 122-a second via; 130-a back tube; 131-an abutting section; 132-a support section; 133-a mounting section; 1331-mounting a bushing; 140-buffer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1, the present embodiment provides a rear backrest connecting structure 100, which includes a frame 110, a housing 120 wrapped on the frame 110, and a backrest tube 130 installed on the frame 110, wherein the backrest tube 130 is integrally formed by bending, the backrest tube 130 passes through the housing 120 and is detachably installed on the frame 110, and a cushion 140 is installed on the backrest tube 130.

Specifically, frame 110 afterbody can be dismantled with back pipe 130 and be connected, bend into back pipe 130 with whole single tube, when back pipe 130 that will bend is installed, install bolster 140 on back pipe 130 earlier, pass casing 120 with back pipe 130 afterwards, install at frame 110 afterbody, install the back seat on casing 120, the back installation finishes, when the electric motor car manned traveles, back pipe 130 can with the passenger back butt on the back seat, with certain supporting role to the passenger, back pipe 130 integrative bending, high strength, the passenger is after the time of exerting oneself great or leaning on the back for a long time, the back can not warp yet, and simultaneously, bolster 140 on back pipe 130 can improve the comfort level that the passenger took.

The utility model provides a back connection structure 100, including frame 110, the casing 120 of parcel on frame 110 to and install the back pipe 130 on frame 110, back pipe 130 integrative bending shaping and back pipe 130 pass casing 120 demountable installation on frame 110, with the processing cost who saves back, install bolster 140 on the back pipe 130, simplified the structure of back, improve the comfort level of back simultaneously.

In one possible embodiment of the present application, as shown in fig. 1 and 4, the backrest tube 130 includes an abutting section 131, and a supporting section 132 and a mounting section 133 respectively connected in sequence at opposite ends of the abutting section 131, and the abutting section 131, the supporting section 132 and the mounting section 133 are perpendicular to each other two by two.

Specifically, bend out the single tube and connect gradually installation section 133, support section 132 and support and lean on section 131, installation section 133 can dismantle with frame 110 and be connected, support section 132 and connect installation section 133 and support and lean on section 131, support and lean on section 131 to play the supporting role to passenger's back, set up and have guaranteed the main support intensity of back pipe 130 supporting section 132 that supports and lean on section 131 both sides to the messenger supports to passenger's back more stably by leaning on section 131.

Further, can set up to the arc to leaning on section 131, the ergonomic design more can be embodied to arc structural design, the arc leans on section 131 to increase to lean on the area of contact of section 131 with the passenger back, simultaneously, supports section 132 also can with passenger back butt to improve passenger's the comfort level of taking.

In a possible embodiment of the present application, as shown in fig. 1 and 2, the housing 120 is provided with a first through hole 121 and a second through hole 122, and the two mounting sections 133 respectively pass through the first through hole 121 and the second through hole 122.

Specifically, the two mounting sections 133 have the same length, the two support sections 132 have the same length, and when the backrest tube 130 is mounted, the two mounting sections 133 respectively pass through the first through hole 121 and the second through hole 122 to perform a primary positioning function on the backrest tube 130, so that the two mounting sections 133 are respectively inserted into the corresponding through holes.

Further, rubber sleeves are provided on the hole walls of the first through hole 121 and the second through hole 122 to protect the housing 120 and prevent the housing 120 from being damaged when the backrest pipe 130 is installed. In the riding process, the inner side of the rubber sleeve is abutted against the outer sides of the two mounting sections 133, the rubber sleeve can buffer the rigid impact of the backrest pipe 130 on the shell 120, and meanwhile, the water can be prevented from entering the shell 120.

In one possible embodiment of the present application, as shown in fig. 1 and 4, the two supporting sections 132 are disposed in parallel, and the two mounting sections 133 are disposed in parallel.

Specifically, the two supporting sections 132 oppositely disposed on the two sides of the abutting section 131 are arranged in parallel, and the two mounting sections 133 oppositely disposed on the two sides of the abutting section 131 are also arranged in parallel, so that the overall strength of the backrest tube 130 is enhanced, and meanwhile, the two mounting sections 133 can be smoothly inserted into or taken out of the first through hole 121 and the second through hole 122.

In a possible embodiment of the present application, as shown in fig. 3, two fixing plates 111 are correspondingly disposed on the frame 110, and the two mounting sections 133 are detachably connected to the two fixing plates 111, respectively.

Specifically, two fixing plates 111 are welded at the tail part of the frame 110, the two fixing plates 111 are oppositely arranged so that the two mounting sections 133 are correspondingly arranged on the two fixing plates 111, and the two fixing plates 111 are connected with the two mounting sections 133, so that the connection strength between the frame 110 and the backrest pipe 130 is improved, the tail part of the frame 110 is of a tubular structure, compared with the connection between a pipe fitting and a pipe fitting, the fixing plates 111 are arranged on the tail pipe of the frame 110, and the fixing plates 111 are connected with the backrest pipe 130, so that the connection strength of the backrest pipe 130 can be improved, and meanwhile, the installation convenience of the backrest pipe 130 can also be improved.

In one possible embodiment of the present application, as shown in fig. 3, two mounting segments 133 are respectively provided with a mounting bushing 1331, and a fastener is fixed to the fixing plate 111 through the mounting bushing 1331.

Specifically, a plurality of mounting holes are respectively formed in the two mounting sections 133, mounting bushings 1331 are arranged on the mounting holes, the mounting bushings 1331 can enhance the wear resistance of the mounting holes, and fasteners penetrate through the mounting bushings 1331 and the fixing holes in the fixing plate 111, so that the mounting sections 133 are fixed on the fixing plate 111, and the connection strength between the backrest tube 130 and the frame 110 is ensured.

When the backrest pipe 130 is installed, the two installation sections 133 are respectively inserted through the first through hole 121 and the second through hole 122, then the installation bushings 1331 of the two installation sections 133 are in one-to-one correspondence with the fixing holes of the fixing plate 111, and then the fastening members are inserted through the installation bushings 1331 and the fixing holes, so that the backrest pipe 130 is tightly connected with the frame 110.

Further, a plurality of fixing holes are formed in the fixing plate 111, a plurality of mounting holes are formed in the mounting plate, and a plurality of fasteners are inserted into the mounting bush 1331 and the fixing holes, thereby enhancing the coupling strength between the back pipe 130 and the frame 110.

In one possible embodiment of the present application, as shown in fig. 1 and 4, the buffer 140 is mounted on the abutting section 131 and is adhesively connected to the abutting section 131.

Specifically, the buffer member 140 is installed on the abutting section 131, and glue is applied to the inner wall of the buffer member 140, so that the buffer member 140 is adhered to the abutting section 131, thereby avoiding the lateral movement or the dropping, and ensuring the impact buffering effect of the buffer member 140 on the back of the passenger and the abutting section 131.

Further, the buffering member 140 may be disposed on both the supporting section 132 and the abutting section 131 to improve the back comfort of the passenger.

In one possible embodiment of the present application, as shown in fig. 1, the buffer member 140 is provided as a cylindrical structure, a through hole is provided on the buffer member 140, and the backrest tube 130 can pass through the through hole, so that the buffer member 140 is sleeved on the backrest tube 130.

Specifically, after the backrest tube 130 is machined, the cushion member 140 is sleeved on the backrest tube 130, so that the cushion member 140 is detachably mounted on the backrest tube 130. Set up back pipe 130 to the columnar structure, set up the through-hole at the central point of columnar structure and put to guarantee that install the bolster 140 on back pipe 130 and no matter how rotate, the comfort level of back can both be improved to bolster 140.

In one possible embodiment of the present application, as shown in fig. 1, the cushioning member 140 includes a sponge body and a leather sheath wrapping the sponge body.

The cavernous body has certain buffering nature, and bolster 140 mainly cushions human back and supports the rigid contact who leans on section 131 through the cavernous body of inside, and the leather sheath of cover establishing outside the cavernous body can increase bolster 140's wearability, guarantees in long-term use, and bolster 140 can not damage easily.

The embodiment of the present application further discloses an electric bicycle, which includes the backrest connecting structure 100 in the foregoing embodiment. The electric bicycle includes the same structure and advantageous effects as the rear back attachment structure 100 in the foregoing embodiment. The structure and advantages of the rear backrest connecting structure 100 have been described in detail in the foregoing embodiments, and are not described in detail herein.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a back connection structure, its characterized in that, includes the frame, wraps up the casing on the frame, and installs back pipe on the frame, back pipe integrative bending shaping just the back pipe passes casing demountable installation is in on the frame, install the bolster on the back pipe.

2. The back-rest connection structure according to claim 1, wherein the back-rest tube includes an abutting section, and a supporting section and a mounting section which are connected in sequence at opposite ends of the abutting section, respectively, and the abutting section, the supporting section and the mounting section are perpendicular to each other two by two.

3. The back-rest connection structure according to claim 2, wherein the two support sections are disposed in parallel, and the two mounting sections are disposed in parallel.

4. The backrest connecting structure of claim 2, wherein the frame is correspondingly provided with two fixing plates, and the two mounting sections are detachably connected with the two fixing plates respectively.

5. The backrest connecting structure of claim 4, wherein two of the mounting sections are respectively provided with a mounting bushing, and the fastening member is fixed on the fixing plate through the mounting bushing.

6. The reclining connection structure according to claim 2, wherein said buffer member is mounted on said abutting section and is adhesively connected to said abutting section.

7. The back-rest connection structure according to claim 2, wherein the housing is provided with a first through hole and a second through hole, and the two mounting sections respectively pass through the first through hole and the second through hole.

8. The backrest connecting structure of claim 1, wherein the buffer member is provided in a columnar structure, a through hole is provided on the buffer member, and the backrest tube can pass through the through hole, so that the buffer member is sleeved on the backrest tube.

9. The back-rest connection structure according to claim 1, wherein the buffer member includes a sponge body and a leather sheath wrapping the sponge body.

10. An electric bicycle characterized by comprising the back rest connection structure of any one of claims 1 to 9.

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