CN106956744B

CN106956744B - Vehicle frame

Info

Publication number: CN106956744B
Application number: CN201710314649.4A
Authority: CN
Inventors: 蔡英长; 叶晶晶; 尹海洋; 温伟华
Original assignee: Zhejiang Goccia Electric Technology Co ltd
Current assignee: Zhejiang Goccia Electric Technology Co ltd
Priority date: 2017-05-06
Filing date: 2017-05-06
Publication date: 2022-07-12
Anticipated expiration: 2037-05-06
Also published as: CN106956744A

Abstract

The invention provides a frame, and belongs to the technical field of electric bicycles. It has solved the trouble problem of current electric bicycle power dismouting. This frame includes solid fixed ring, gu the fixed ring down, a supporting plate, left side mounting panel and right mounting panel, the both ends of backup pad link firmly with gu the fixed ring mutually respectively, gu the fixed ring both sides all link firmly mutually through the connecting plate with gu the fixed ring down, the one end and the supporting plate of left side mounting panel link firmly mutually, the other end and the solid fixed ring of left side mounting panel link firmly mutually, a supporting plate, the connecting plate encloses into a left installation cavity with left mounting panel, left direction locating plate has been linked firmly in the left installation cavity, the one end and the supporting plate of right side mounting panel link firmly mutually, the other end and the solid fixed ring down of right side mounting panel link firmly, a backup pad, the right installation cavity is enclosed into a right installation cavity to connecting plate and right mounting panel, right direction locating plate has been linked firmly in the right installation cavity, left installation cavity and right installation cavity are located the both sides in the back clothes hanger respectively. The power supply arranged on the frame has the advantage of convenient disassembly and assembly.

Description

Vehicle frame

Technical Field

The invention belongs to the technical field of electric bicycles, and relates to a bicycle frame.

Background

An electric bicycle is a vehicle which is added with a storage battery as an auxiliary energy source on the basis of a common bicycle. The storage batteries carried by the electric bicycles are generally rechargeable detachable batteries, which requires the storage batteries to be as large as possible, small in size and light in weight.

In order to facilitate carrying and dismounting of the storage battery on the electric bicycle, manufacturers have designed various storage batteries suitable for being mounted on the electric bicycle in combination with different structural models of the electric bicycle, for example, chinese patent literature discloses a dual power supply method and a power supply mounting structure of the electric bicycle [ application number: 200410072160.3, respectively; publication No.: CN1754716A ], the dual power supply method for electric bicycle adopts two power supplies with the same specification as the main power supply and the backup power supply respectively, each time the main power supply is used first, when the main power supply starts to run short after running for several times, the backup power supply starts to be used again to complement the run, the main power supply run decreases gradually with the increase of the running times until the main power supply is used up, after the main power supply is scrapped, the newly purchased power supply is used as the backup power supply, the original backup power supply is changed into the main power supply, the newly composed dual power supply is still used according to the above method.

According to the double-power-supply mounting structure, two power supplies are respectively mounted on the left side and the right side of the rear clothes rack of the electric bicycle; however, in the double-power-supply mounting structure with the structure, the two power supplies are mounted in the closed box, and then the box is fixed on two sides of the rear clothes rack of the electric bicycle.

Disclosure of Invention

The invention aims to provide a frame aiming at the problems in the prior art, and solves the technical problem of how to conveniently disassemble and assemble a power supply arranged on the frame of an electric bicycle.

The purpose of the invention can be realized by the following technical scheme: a frame comprises a rear clothes rack and is characterized in that the rear clothes rack comprises an upper fixing ring, a lower fixing ring, a plurality of supporting plates, a plurality of right-angle left mounting plates and a plurality of right-angle right mounting plates, the supporting plates are positioned in the upper fixing ring, two ends of the supporting plates are fixedly connected with the upper fixing ring respectively, two sides of the upper fixing ring and two sides of the lower fixing ring are fixedly connected through a plurality of connecting plates, one end of each left mounting plate is fixedly connected with the corresponding supporting plate, the other end of each left mounting plate is fixedly connected with the corresponding lower fixing ring, a rectangular left mounting cavity for mounting a power supply is defined by the corresponding supporting plate, the corresponding connecting plates and the corresponding left mounting plates, a left guide positioning plate arranged in the horizontal direction is fixedly connected in the left mounting cavity, one end of each right mounting plate is fixedly connected with the corresponding supporting plate, the other end of each right mounting plate is fixedly connected with the corresponding lower fixing ring, backup pad, connecting plate and right mounting panel enclose into one and are the right installation cavity of cuboid form that is used for installing the power, right side direction locating plate that sets up along the horizontal direction has been linked firmly in the installation cavity of the right side, left side installation cavity and right installation cavity are located the both sides in the back clothes hanger respectively, the cavity has between left side installation cavity and the right installation cavity.

The power is rectangular form, the lateral part of power has the spout corresponding with left direction locating plate and right direction locating plate, during the installation, with the power towards left installation cavity, insert from the rear end of back clothes hanger, left side direction locating plate partial embedding is in the spout of power lateral part, then push power makes the power slide along left direction locating plate, until the power wholly is located left installation cavity, the power installation targets in place, during the dismantlement, only need stimulate the power and slide along left direction locating plate, extract the power can, the installation of power is dismantled conveniently, right installation cavity is installed to the power is the same with the mode of installing left installation cavity. The backup pad plays the effect of support, the setting up of backup pad makes back clothes hanger can take the passenger, and the backup pad is used for fixed left mounting panel and right mounting panel, left side mounting panel and right mounting panel all are the right angle form, left side mounting panel, right side mounting panel, left installation cavity and right installation cavity that backup pad and connecting plate phase cooperation enclose into all to be the cuboid form, the shape of left installation cavity and right installation cavity and the shape looks adaptation of power, and it can not take place the touching with back clothes hanger at gliding in-process to be the cuboid form messenger power, and is convenient for installation, left side direction locating plate and right direction locating plate set up along the horizontal direction, the operator promotes the slip dismouting that power can realize the power, power easy dismounting. The left mounting cavity and the right mounting cavity are located on two sides of the rear clothes rack, a cavity is formed between the left mounting cavity and the right mounting cavity, and the cavity is used for embedding a rear wheel of the electric bicycle and reasonably utilizing space.

In the above vehicle frame, the left guide positioning plate and the right guide positioning plate are both in the shape of long plates, and the upper and lower sides of the left guide positioning plate and the right guide positioning plate are both provided with guide rails in the shape of angle irons. The guide rail plays a role in guiding and positioning, and the power supply can be installed in place only by sliding along the guide rail, so that the installation and the disassembly are convenient; and the upper and lower both sides of left direction locating plate and right direction locating plate all have the guide rail, and the guide rail is that the upper and lower both sides of left direction locating plate and right direction locating plate are through bending type formation, and the guide rail imbeds in the spout of power, and left direction locating plate and right direction locating plate play the effect of supporting the power, improve the stability of power installation.

In the frame, the outer side wall of the connecting plate is fixedly connected with a protection plate, and the front end and the rear end of the protection plate are both arc-shaped and bent towards the inner side of the rear clothes hanger. The protection plate has a protection function, and the protection plate separates the power supply from the outside, reduces the contact between the power supply and the outside and reduces the possibility that the power supply is touched by an external object; the front end and the rear end of the protection plate are arc-shaped and bent towards the inner side of the rear clothes rack, the two sides are bent to form surrounding, a better separation effect is achieved, the possibility that the power supply is touched by an external object is reduced, and the power supply is not easy to damage.

In the frame, the middle parts of the rear ends of the upper fixing ring and the lower fixing ring are fixedly connected through the connecting column. The spliced pole plays the effect of support, improves back clothes hanger's intensity, and the spliced pole is located upper fixed ring and lower fixed ring's rear end department in the middle of moreover, can not hinder the dismouting of power, power easy dismounting.

In the above frame, the upper fixing ring, the lower fixing ring, the support plate, the left mounting plate, the right mounting plate and the connecting column are fixedly connected through welding. The welding is connected firmly, and firm degree is high.

In the above vehicle frame, the vehicle frame further includes a seat tube, a down tube and a head tube, the bottom of the seat tube is fixedly connected to the rear end of the down tube, and the front end of the down tube is fixedly connected to the middle of the head tube. The seat tube, the lower tube and the head tube are approximately triangular in fixed connection mode, so that the strength of the frame main body is high.

In the frame, the front ends of the upper fixing ring and the lower fixing ring are fixedly connected with the middle part of the seat tube, and the front end of the upper fixing ring bends downwards and inwards. This kind of structure, with electric bicycle's seatpad looks adaptation, the rational utilization space, and the height of clothes hanger behind improvement that this kind of structure can be appropriate, improve the distance between power and the ground promptly, can reduce the possibility that the stone that the power was splashed touched, improve the life of power.

In foretell a frame, the frame still includes the reinforced pipe, the reinforced pipe includes pipe one, pipe two and pipe three, pipe one links to each other with pipe three through pipe two, the contained angle has between pipe one and the pipe two, the contained angle has between pipe two and the pipe three, the rear end of pipe one links firmly with the well lower part of seat pipe mutually, the laminating of pipe two links firmly the top at the low tube, the front end of pipe three links firmly with the top of head pipe mutually, form an installation space that is used for installing the motor between seat pipe, low tube and the pipe one, head pipe, low tube and pipe three enclose into a triangle chamber. The arrangement of the reinforcing pipe increases the overall strength of the frame, and the reinforcing pipe can be used as an installation pipe for the lead to penetrate through, so that the lead is not exposed outside; an installation space for installing a motor is formed among the seat tube, the lower tube and the first tube, and the motor is positioned at the bottom of the frame, so that the balance and the stability of the electric bicycle can be improved; the head pipe, the lower pipe and the pipe form a triangular cavity in a surrounding mode, the triangular cavity supports the head pipe, the lower pipe and the pipe, stability is good, and strength of the frame is improved.

In the above vehicle frame, the front end of the down tube is fixedly connected with a support ring for supporting a basket, and the support ring is located at the front end of the head tube. The setting of support ring plays the effect of support, improves the intensity of bicycle basket, makes the bicycle basket can hold heavier article, and makes the bicycle basket not fragile.

In the frame, a rear axle fork is fixedly connected to the joint of the seat tube and the lower tube, and a shock absorber is arranged between the rear end of the rear axle fork and the lower fixed ring. The shock absorber plays the effect of damping, reduces the vibration that the power received, improves the installation stability of power, improves life.

Compared with the prior art, the frame provided by the invention has the following advantages:

1. both sides in this clothes hanger behind frame have left installation cavity and the right installation cavity that is used for installing the power, have the cavity between left installation cavity and the right installation cavity, and the cavity is used for supplying electric bicycle's rear wheel embedding, and the original structure of electric bicycle can not destroyed in the setting of left installation cavity and right installation cavity, reasonable in design, rational utilization space.

2. This clothes hanger behind frame's left mounting panel, right mounting panel, backup pad and connecting plate cooperate to enclose into left installation cavity and the right installation cavity that all is the cuboid form, the shape of left installation cavity and right installation cavity and the shape looks adaptation of power, and be the cuboid form and make the power can not take place to touch with back clothes hanger at gliding in-process, easy dismounting, left direction locating plate and right direction locating plate set up along the horizontal direction, promote the power and can realize the dismouting of sliding, power easy dismounting.

3. The upper and lower both sides of this clothes hanger behind frame's left side direction locating plate and right side direction locating plate all form the guide rail that is the angle bar form through buckling, and in the spout of power lateral part was embedded into to the guide rail, left side direction locating plate and right side direction locating plate played the effect that supports the power, improved the stability of power installation.

Drawings

Fig. 1 is a schematic structural view of the electric bicycle.

Fig. 2 is a schematic structural diagram of the clothes rack on the rear of the frame after being provided with a power supply.

Fig. 3 is a schematic structural diagram of the rear clothes rack of the bicycle without a power supply.

Fig. 4 is a rear view of the rear hanger of the present cart frame.

Fig. 5 is a structural schematic diagram of the left guide positioning plate of the vehicle frame.

In the figure, 1, an upper fixing ring; 2. a lower fixing ring; 3. a support plate; 4. a left mounting plate; 5. a right mounting plate; 6. a connecting plate; 7. a left mounting cavity; 8. a left guide positioning plate; 9. a right mounting cavity; 10. a right guide positioning plate; 11. a guide rail; 12. a protection plate; 13. connecting columns; 14. a seat tube; 15. a lower pipe; 16. a head pipe; 17. a reinforcement tube; 171. a first pipe; 172. a second tube; 173. a third pipe; 18. an installation space; 19. a triangular cavity; 20. a support ring; 21. a rear axle fork; 22. a shock absorber; 23. a power source.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, the present rack includes a rear hanger, a seat tube 14, a down tube 15, a head tube 16, a reinforcing tube 17, a support ring 20, a rear fork 21, and a damper 22.

As shown in fig. 2, fig. 3 and fig. 4, the rear clothes rack comprises an upper fixing ring 1, a lower fixing ring 2, a support plate 3, a left mounting plate 4 in a right-angle shape and a right mounting plate 5 in a right-angle shape, in the embodiment, the number of the support plates 3 is two, the number of the left mounting plate 4 and the number of the right mounting plate 5 are also two, the support plates 3 and the left mounting plate 4 are arranged in a one-to-one correspondence manner, the support plates 3 and the right mounting plate 5 are also arranged in a one-to-one correspondence manner, in actual production, the number of the support plates 3 is three or four, and the number of the left mounting plate 4 and the right mounting plate 5 can also be three or four.

Backup pad 3 is arranged in last fixed ring 1 and the both ends of backup pad 3 link firmly through the welding with last fixed ring 1 respectively mutually, the one end of left side mounting panel 4 links firmly through the welding with backup pad 3 mutually, the other end of left side mounting panel 4 links firmly through the welding with the inboard of lower fixed ring 2 mutually, backup pad 3, connecting plate 6 and left mounting panel 4 enclose into one and be used for installing power 23 and be the left installation cavity 7 of cuboid form, it sets up along the horizontal direction left direction locating plate 8 to link firmly in the left installation cavity 7, as shown in fig. 5, left direction locating plate 8 is rectangular platelike, the upper and lower both sides of left direction locating plate 8 all form the guide rail 11 that is the angle bar form through buckling. The one end of right mounting panel 5 links firmly through the welding mutually with backup pad 3, the other end of right mounting panel 5 links firmly through the welding mutually with lower fixed ring 2, backup pad 3, connecting plate 6 and right mounting panel 5 enclose into one and be the right installation cavity 9 of cuboid form that is used for installing power 23, link firmly right direction locating plate 10 along the horizontal direction setting in the right installation cavity 9, right direction locating plate 10 is rectangular platelike, the upper and lower both sides of right direction locating plate 10 all are the guide rail 11 that the angle bar form through bending type. The left mounting cavity 7 and the right mounting cavity 9 are positioned on two sides in the rear clothes rack, and a cavity is formed between the left mounting cavity 7 and the right mounting cavity 9 and used for embedding a part of rear wheels.

In this embodiment, the both sides of upper fixed ring 1 and lower fixed ring 2 all link firmly through three connecting plate 6 mutually, and in actual production, the both sides of upper fixed ring 1 and lower fixed ring 2 can all link firmly through two or four connecting plates 6 mutually, have linked firmly guard plate 12 on the lateral wall of connecting plate 6, and both ends all are the arc bending towards the inboard of back clothes hanger around guard plate 12. The middle parts of the rear ends of the upper fixing ring 1 and the lower fixing ring 2 are fixedly connected through a connecting column 13 in a welding mode.

The bottom of the seat tube 14 is fixedly connected with the rear end of the lower tube 15, the front end of the lower tube 15 is fixedly connected with the middle of the head tube 16, the front ends of the upper fixing ring 1 and the lower fixing ring 2 are fixedly connected with the middle of the seat tube 14, and the front end of the upper fixing ring 1 bends downwards and inwards. A support ring 20 for supporting a basket is fixedly attached to the front end of the lower tube 15, and the support ring 20 is located at the front end of the head pipe 16. A rear axle fork 21 is fixedly connected to the joint of the seat tube 14 and the lower tube 15, and a shock absorber 22 is arranged between the rear end part of the rear axle fork 21 and the lower fixed ring.

The reinforcing pipe 17 comprises a first pipe 171, a second pipe 172 and a third pipe 173, the first pipe 171 is connected with the third pipe 173 through the second pipe 172, an included angle is formed between the first pipe 171 and the second pipe 172, an included angle is formed between the second pipe 172 and the third pipe 173, the rear end of the first pipe 171 is fixedly connected with the middle lower part of the seat pipe 14, the second pipe 172 is fixedly connected above the lower pipe 15 in an attaching mode, the front end of the third pipe 173 is fixedly connected with the top of the head pipe 16, an installation space 18 for installing a motor is formed among the seat pipe 14, the lower pipe 15 and the first pipe 171, and the head pipe 16, the lower pipe 15 and the third pipe 173 enclose a triangular cavity 19.

During installation, the power supply 23 faces the left installation cavity 7, the rear end of the rear clothes rack is inserted into the left installation cavity 7, the sliding grooves in the side portion of the power supply 23 correspond to the guide rails 11 on the upper side and the lower side of the left guide positioning plate 8, the guide rails 11 are embedded into the corresponding sliding grooves, the power supply 23 is pushed to enable the power supply 23 to slide along the left guide positioning plate 8 until the power supply 23 is integrally positioned in the left installation cavity 7 and installed in place, in the embodiment, the power supply 23 is fixed in the rear clothes rack in a clamping mode, and in actual production, the power supply 23 can also be detachably fixed in the rear clothes rack through a fastening piece. The installation mode of the power supply 23 in the right installation cavity 9 is the same as that of the power supply 23 in the left installation cavity 7, and the description is omitted.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms of the upper fixing ring 1, the lower fixing ring 2, the support plate 3, the left mounting plate 4, the right mounting plate 5, the connecting plate 6, the left mounting cavity 7, the left guide positioning plate 8, the right mounting cavity 9, the right guide positioning plate 10, the guide rail 11, the fender plate 12, the connecting column 13, the seat tube 14, the lower tube 15, the head tube 16, the reinforcing tube 17, the tube one 171, the tube two 172, the tube three 173, the mounting space 18, the triangular cavity 19, the support ring 20, the rear fork 21, the damper 22, etc., are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A frame comprises a rear clothes rack and is characterized in that the rear clothes rack comprises an upper fixing ring (1), a lower fixing ring (2), a plurality of supporting plates (3), a plurality of left mounting plates (4) and a plurality of right mounting plates (5), the left mounting plates are right-angle-shaped, the supporting plates (3) are positioned in the upper fixing ring (1), the two ends of the supporting plates (3) are fixedly connected with the upper fixing ring (1) respectively, the two sides of the upper fixing ring (1) and the lower fixing ring (2) are fixedly connected through a plurality of connecting plates (6), one end of each left mounting plate (4) is fixedly connected with the corresponding supporting plate (3), the other end of each left mounting plate (4) is fixedly connected with the corresponding lower fixing ring (2), and the supporting plates (3), the connecting plates (6) and the left mounting plates (4) enclose a left mounting cavity (7) which is used for mounting a power supply (23) and is cuboid-shaped, the utility model discloses a clothes hanger, including left side installation cavity (7), left side installation cavity (7) and right side installation cavity (9), the left side direction locating plate (8) that sets up along the horizontal direction has been linked firmly in (7), the one end and the backup pad (3) of right side installation board (5) link firmly mutually, the other end and the lower fixed ring (2) of right side installation board (5) link firmly mutually, backup pad (3), connecting plate (6) and right installation board (5) enclose into one and are used for installing power (23) and be right installation cavity (9) of cuboid form, right side direction locating plate (10) that set up along the horizontal direction have been linked firmly in right side installation cavity (9), left side installation cavity (7) and right installation cavity (9) are located the both sides in back clothes hanger respectively, the cavity has between left side installation cavity (7) and right installation cavity (9).

2. A vehicle frame according to claim 1, characterized in that the left guide positioning plate (8) and the right guide positioning plate (10) are each in the form of an elongated plate, and the left guide positioning plate (8) and the right guide positioning plate (10) are provided with angle-iron-like guide rails (11) on both upper and lower sides thereof.

3. A frame as claimed in claim 1, characterized in that the outer side wall of the connecting plate (6) is fixedly connected with a protection plate (12), and the front end and the rear end of the protection plate (12) are both curved towards the inner side of the rear clothes rack.

4. A frame according to claim 1, 2 or 3, characterized in that the rear ends of the upper and lower fixing rings (1, 2) are fixedly connected by a connecting column (13).

5. A frame according to claim 4, characterized in that the upper fixing ring (1), the lower fixing ring (2), the support plate (3), the left mounting plate (4), the right mounting plate (5) and the connecting column (13) are fixedly connected by welding.

6. A vehicle frame according to claim 1, 2 or 3, further comprising a seat tube (14), a down tube (15) and a head tube (16), wherein the seat tube (14) is fixedly connected at its bottom to the rear end of the down tube (15), and the down tube (15) is fixedly connected at its front end to the middle of the head tube (16).

7. A frame according to claim 6, characterized in that the front ends of the upper fixing ring (1) and the lower fixing ring (2) are fixedly connected with the middle part of the seat tube (14), and the front end of the upper fixing ring (1) is bent downwards and inwards.

8. A frame according to claim 6, characterized in that the frame further comprises a reinforcement tube (17), the reinforcing pipe (17) comprises a first pipe (171), a second pipe (172) and a third pipe (173), the first pipe (171) is connected with the third pipe (173) through the second pipe (172), an included angle is formed between the first pipe (171) and the second pipe (172), an included angle is formed between the second pipe (172) and the third pipe (173), the rear end of the first pipe (171) is fixedly connected with the middle lower part of the seat pipe (14), the second pipe (172) is fixedly connected above the lower pipe (15), the front end of the third pipe (173) is fixedly connected with the top of the head pipe (16), a mounting space (18) for mounting the motor is formed among the seat tube (14), the lower tube (15) and the first tube (171), the head pipe (16), the lower pipe (15) and the third pipe (173) enclose a triangular cavity (19).

9. A frame according to claim 6, characterised in that the forward end of the down tube (15) is fixedly connected with a support ring (20) for supporting a basket, the support ring (20) being located at the forward end of the head tube (16).

10. A vehicle frame according to claim 6, characterized in that the junction of the seat tube (14) and the down tube (15) is attached to a rear axle fork (21), and a shock absorber (22) is arranged between the rear end of the rear axle fork (21) and the lower attachment ring.