Utility model content
The main purpose of the utility model is to provide a kind of electric bicycle fame and electric bicycle, it is desirable to provide a kind of
The cycle frame of the engine of electric bicycle can be protected.
To achieve the above object, the utility model proposes electric bicycle fame include front fork tube, the connection front fork
The vehicle frame push pipe of pipe, the seat pipe being connect with the vehicle frame push pipe and the rear chain stay group being connect with the seat pipe;Chain stay after described
Group is located at the position below the seat pipe and has clipping room away from the clipping room is away from for installing driving dress between the seat pipe
It sets;The electric bicycle fame further includes for providing support to the electric bicycle fame and protecting the driving device
Down tube, the down tube be connected to it is described after chain stay group be located at the not-go-end below the seat pipe between the vehicle frame push pipe.
Preferably, one end of the down tube is connected to the not-go-end that the rear chain stay group is located at below the seat pipe, under described
The other end of pipe is connected on the vehicle frame push pipe.
Preferably, the quantity of the rear chain stay group is two groups, and rear chain stay group described in two groups is connected to described in predetermined angle
Vehicle seat push pipe end, the electric bicycle fame further include the first support tube, and the quantity of first support tube is two, and two
One end of a first support tube is connected in the down tube, and the other end of two first support tubes is connected to two
After group is described in chain stay group.
Preferably, foldable assembly is installed, the down tube is connected to the position on the vehicle frame push pipe on the vehicle frame push pipe
Setting between the foldable assembly and the seat pipe.
Preferably, the first tube-carrier is connected between the seat pipe and the down tube.
Preferably, the vehicle frame push pipe is arc.
Preferably, one end of the down tube is connected to the not-go-end that the rear chain stay group is located at below the seat pipe, under described
The other end of pipe is connected on the front fork tube, and the electric vehicle and bicycle vehicle frame further includes the second support tube, and described second
One end of stay tube is connect with the vehicle frame push pipe, and the one end of second support tube far from the vehicle frame push pipe and the down tube are handed over
It is connected to the driving device installation place.
Preferably, one end of the down tube is connected to the not-go-end that the rear chain stay group is located at below the seat pipe, under described
The other end of pipe is connected on the front fork tube, and the electric bicycle fame further includes third support tube, the third support
One end of pipe is connected in the seat pipe, and the other end of the third support tube and the down tube join in driving device peace
At dress.
Preferably, one end of the down tube is connected to the not-go-end that the rear chain stay group is located at below the seat pipe, under described
The other end of pipe is connected in the seat pipe, is provided with the second tube-carrier between the down tube and the vehicle frame push pipe.
In addition, in order to achieve the above objectives, the utility model also provides a kind of electric bicycle, the electric bicycle includes
Electric bicycle fame as described above.
In technical solutions of the utility model, the electric bicycle fame includes the vehicle of front fork tube, the connection front fork tube
Frame push pipe, the seat pipe being connect with vehicle frame push pipe and the rear chain stay group being connect with the seat pipe;Chain stay group is located at described after described
Have clipping room away from the clipping room is away from for installing driving device between position and the seat pipe below seat pipe;The electricity
Dynamic cycle frame further include be connected to it is described after chain stay group be located at the not-go-end below the seat pipe and the vehicle frame push pipe it
Between down tube, the down tube be used for the electric bicycle fame provide support and protect the driving device.Using this reality
It can prevent the driving device below electric bicycle from being hit with novel electric bicycle fame and be damaged, improve electronic
The usability and safety of bicycle.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that in the utility model embodiment institute it is directional instruction (such as upper and lower, left and right, it is preceding,
It is only used for the relative positional relationship explained under a certain particular pose (as shown in the picture) between each component, movement afterwards ...)
Situation etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral;It can be mechanical connection, it can also
To be electrical connection;It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of electric bicycle fames 100, it is desirable to provide one kind can protect electric bicycle
The cycle frame of engine.
Please refer to Fig. 1 to Fig. 5, in an embodiment of the utility model, electric bicycle fame 100 include front fork tube 10,
The vehicle frame push pipe 20 for connecting the front fork tube 10, the seat pipe 30 welded with vehicle frame push pipe 20 and rear chain stay group 50;It is flat after described
Fork group 50 extends to 30 lower section of seat pipe, and has clipping room away from described between the seat pipe 30 and the rear chain stay group 50
Clipping room is away from for installing driving device;The electric bicycle fame 100 further includes being connected to the rear chain stay group 50 and institute
The down tube 40 between vehicle frame push pipe 20 is stated, the down tube 40 is used to provide to the electric bicycle fame 100 and supports and protect
The driving device.Using the electric bicycle fame 100 of the present embodiment can prevent the driving device below electric bicycle by
It is damaged to shock, improves the usability and safety of electric bicycle.
In the present embodiment, the electric bicycle fame 100 includes front fork tube 10 and is connected on the front fork tube 10
Vehicle frame push pipe 20, the vehicle frame push pipe 20 selects various sizes of tubing according to the connection type of front fork tube 10.As shown in figure 1
The connection type is connected as arc between vehicle frame push pipe 20 and front fork tube 10, and vehicle frame push pipe 20 selects outer diameter biggish
Tubing enhances the support force of vehicle frame.Connection type as shown in Figure 3 is connected as straight between vehicle frame push pipe 20 and front fork tube 10
Line style, and the slightly smaller tubing of outer diameter may be selected in vehicle frame push pipe 20.Specifically, the tubing of the vehicle frame push pipe 20 is selected and preceding
The connection of breeches pipe 10 is not limited, and can be specifically adjusted as needed.
The electric bicycle fame 100 further includes the seat pipe 30 and rear chain stay group 50 connecting with vehicle frame push pipe 20.Specifically
Connection type be using welding by the way of connect, such as seat pipe 30 is welded between vehicle frame push pipe 20 and rear chain stay group 50.
Wherein, described rear 50 some structure of chain stay group is located at 30 lower section of seat pipe, and referring to Fig.1, the rear chain stay group 50 is located at
There is clipping room to shorten seat pipe 30 away from can pass through away from, the clipping room between the part and the seat pipe 30 of 30 lower section of the seat pipe
Length make seat pipe 30 will not be directly connected to it is described after mode in chain stay group 50 obtain.Be arranged the clipping room away from purpose be
In order to install here driving device, and then solves and be easy to cause using the mounting means of existing driving device to driving
The problem of collision of device
And the installation realized in manner just described to driving device is adopted, problem to be solved is that the stability of vehicle frame is asked
Topic, therefore down tube 40 is arranged in chain stay group 50 at the not-go-end below the seat pipe 30 between the push pipe after described, improves
The stability of the vehicle frame entirety.
Solves existing electric bicycle using the electric bicycle fame 100 of the utility model embodiment because will drive
Dynamic device is mounted on the bottom of vehicle frame and driving device is caused to be easy impaired problem, improves the service life of electric bicycle
With safety.
It should be noted that driving device described in the present embodiment is built-in motor 70.
In a preferred embodiment, one end of the down tube 40 is connected to the rear chain stay group 50 and is located under the seat pipe 30
The not-go-end of side, the other end of the down tube 40 are connected on the vehicle frame push pipe 20.Referring to Fig.1, in the present embodiment, under described
One end of pipe 40 is connected to the not-go-end that the rear chain stay group 50 is located at 30 lower section of seat pipe, and the other end is connected to the vehicle frame top
On pipe 20.Under this mode, the tubing that the vehicle frame push pipe 20 selects outer diameter more coarse, one end of vehicle frame push pipe 20 is connected to
It is whole arc-shaped on front fork tube 10.
In addition to this, it is also equipped with foldable assembly 60 on the vehicle frame push pipe 20 of the electric bicycle fame 100, needed
Illustrate, installation site and link position of the down tube 40 at the vehicle frame push pipe 20 of the foldable assembly 60 are staggered.Reference
Fig. 2, position of the down tube 40 at the vehicle frame push pipe 20 are located at the rear of 60 installation site of foldable assembly.
Further, in another preferred embodiment, referring to Fig. 6, the quantity of the rear chain stay group 50 is two groups, two groups of institutes
It states rear chain stay group 50 and is connected to 20 end of vehicle seat push pipe in predetermined angle, the electric bicycle fame 100 further includes the
One support tube 44, the quantity of first support tube 44 are two, and one end of two first support tubes 44 is connected to described
In down tube 40, the other end of two first support tubes 44 be connected to two groups described in after in chain stay group 50.The present embodiment
The stability of cycle frame is further increased using dual-gripper pipe.In the present embodiment, the quantity of rear chain stay group 50 is two groups,
And the angled end for being connected to vehicle frame push pipe 20 of chain stay group 50 after two groups.It is all connected in each rear chain stay group 50
One the first support tube 44, the other end of the first support tube 44 are both connected in seat pipe 30.
Further, in another preferred embodiment, it is additional that first is connected between the seat pipe 30 and the down tube 40
Pipe 41.First is connected between the seat pipe 30 and the down tube 40 referring to Fig. 4 in order to further increase the stability of vehicle frame
Tube-carrier 41, first tube-carrier 41 are welded on the seat pipe 30 in the down tube 40, divide to seat pipe 30 and the down tube 40
Born pressure is carried on a shoulder pole, the stability of vehicle frame is improved.
Further, referring to Fig. 3, one end of the down tube 40 is connected to the rear chain stay group 50 and is located under the seat pipe 30
The not-go-end of side, the other end of the down tube 40 are connected on the front fork tube 10, and the electric vehicle and bicycle vehicle frame 100 further includes
Second support tube 43, one end of second support tube 43 are connect with the vehicle frame push pipe 20, and second support tube 43 is separate
One end of the vehicle frame push pipe 20 and the down tube 40 join in the driving device installation place.Second support tube 43 connects
On the vehicle frame push pipe 20, under this form, linearly, the vehicle frame push pipe 20 is equally in straight for second support tube 43
Line.Because the setting of the second support tube 43, the stability of entire vehicle frame greatly improve, therefore outer diameter can be selected in the vehicle frame push pipe 20
The tubing small compared with aforesaid way.
In another embodiment, referring to Fig. 5, one end of the down tube 40 is connected to the rear chain stay group 50 and is located at the seat
The not-go-end of 30 lower section of pipe, the other end of the down tube 40 are connected on the front fork tube 10, and the electric bicycle fame 100 is also
Including third support tube 42,42 one end of the third support tube are connected in the seat pipe 30, the third support tube 42
The other end and the down tube 40 join in the driving device installation place.This mode is to connect down tube 40 in a manner of bending
It is located at the not-go-end below the seat pipe 30 in rear chain stay group 50, the other end is connected directly between in the seat pipe 30, forms a circular arc
Shape.In order to further increase the stability of entire vehicle frame on this basis, connect between the down tube 40 and the front fork tube 10
Connect third support tube 42.Under this form, the vehicle frame push pipe 20 is of a straight line type.
In another embodiment, one end of the down tube 40 is connected to the rear chain stay group 50 and is located at below the seat pipe 30
Not-go-end, the other end of the down tube 40 is connected in the seat pipe 30, sets between the down tube 40 and the vehicle frame push pipe 20
It is equipped with the second tube-carrier.
The utility model also proposes a kind of electric bicycle, including electric bicycle fame as described above 100.According to this
Other compositions of the electric bicycle of utility model embodiment and operation are all for those of ordinary skills
Know, is not detailed herein.Specifically since this electric bicycle uses whole technical sides of above-mentioned all embodiments
Case, therefore at least all beneficial effects brought by the technical solution with above-described embodiment, this is no longer going to repeat them.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or
Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.