CN212499925U

CN212499925U - Electric automobile increases journey ware assembly

Info

Publication number: CN212499925U
Application number: CN202020819755.5U
Authority: CN
Inventors: 段战锋; 徐来; 刘波; 赖发东; 舒涌
Original assignee: Hangzhou Heri New Energy Technology Co ltd
Current assignee: Hangzhou Heri New Energy Technology Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-02-09
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses an electric automobile increases journey ware assembly, including the generator, the engine of being connected with generator detachably, the generator includes generator stator, generator rotor, and the engine tip is equipped with the engine flywheel, and generator stator detachably establishes on engine housing, and generator rotor detachably establishes on the engine flywheel, is equipped with on the generator stator shell and overhauls the structure, overhauls the structure including establishing terminal surface on the generator shell, the slotted hole on the terminal surface is established to a plurality of, the back housing of being connected with terminal surface detachably. The utility model discloses reduced the whole structure size who increases the journey ware, alleviateed and increased journey ware overall quality, just the utility model discloses an electric automobile increases journey ware assembly convenient to detach installation, maintenance.

Description

Electric automobile increases journey ware assembly

Technical Field

The utility model relates to an electric automobile increases journey ware technical field, in particular to electric automobile increases journey ware assembly.

Background

At present, the energy crisis and the environmental problem caused by the rapid increase of the automobile holding capacity are increasingly severe, and the electric automobile can adopt various electric energy converted by energy conversion as power and has obvious advantages in the aspects of energy conservation and environmental protection. However, the current electric automobile is limited by the development of battery technology, so that the endurance mileage of the whole automobile is short, the requirement of users on traveling cannot be met, and meanwhile, the popularization of the electric automobile depends on the construction and the perfection of charging and other infrastructure. Compared with a pure electric vehicle, the range-extended electric vehicle is the same as the pure electric vehicle in driving mode, the range extender is added, the function of online charging is realized, the characteristic of insufficient endurance mileage of the pure electric vehicle is eliminated, the determination of excessive dependence of the pure electric vehicle on an infrastructure charging facility is solved, and the market demand can be adapted.

At present, most of new energy range-extending electric automobiles are additionally provided with range extenders on the basis of original electric automobiles, and conventional range extenders are formed by additionally arranging a transmission system on the basis of engines for common automobiles to be in transmission fit with generators, the engines are started through original starting motors of the engines to drive the generators to generate electric energy for driving motors or storing the electric energy in storage battery packs to charge the storage battery packs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve prior art not enough, provide an electric automobile increases journey ware assembly.

The utility model provides a technical scheme that above-mentioned technical problem adopted is:

the utility model provides an electric automobile increases journey ware assembly, including the generator, the engine of being connected with generator detachably, the generator includes generator stator, the generator rotor, the engine tip is equipped with the engine flywheel, generator stator detachably establishes on engine housing, generator rotor detachably establishes on the engine flywheel, be equipped with on the generator stator housing and overhaul the structure, it establishes the slotted hole on the terminal surface, the back housing of being connected with terminal surface detachably to overhaul the structure including establishing the terminal surface on generator housing, a plurality of. Among the above-mentioned technical scheme, the generator adopts split type motor, right the utility model discloses an when the electric motor car increases the journey ware and installs, at first with generator rotor fixed mounting on engine flywheel, then with generator stator fixed mounting on engine housing to accomplish the detachable of generator and engine and be connected, thereby made things convenient for the utility model discloses an increase the dismouting of journey ware and maintain the maintenance to the generator and the integral assemblage of engine and the inconvenient technical problem of overhauing in the journey ware that increases of prior art have been solved. The rotation condition of the inner rotor of the generator can be conveniently checked through the plurality of slots on the end face, and the gap between the fixed rotors in the generator can be conveniently measured, so that the overhaul work of the generator is facilitated, and the defects that the gap between the fixed rotors cannot be conveniently measured and the overhaul is inconvenient in the prior art are overcome. The rear cover is arranged on the end face and seals the slotted hole, so that the probability that external dust and the like pollute the inside of the generator is reduced, and the normal work of the generator is guaranteed. When the rotation condition of the rotor in the generator or the gap between the stator and the rotor in the generator is measured, the rear cover is detached conveniently. The utility model discloses a generator in the electric automobile increases journey ware assembly is except normally using as the generator, also can use as the motor in the short time, can start during the use the utility model provides an engine, the utility model provides a thereby engine start successfully after, convert into engine drive generator and rotate and produce the electric energy. When the range extender is started, the generator in the range extender assembly has the function of serving as a starting motor of the engine, the structure that a gear ring needs to be installed on a flywheel of the engine and the engine is driven by an external motor in the traditional engine is simplified, the structural size of the whole range extender is reduced, the cost is saved, and the weight of the range extender is reduced.

Preferably, the end face comprises a first face and a second face annularly arranged on the periphery of the first face, the slot hole is formed in the first face, and the rear cover is detachably mounted on the second face. Among the above technical scheme, the back housing is installed on the second face and covers first face to ensure the sealed of slotted hole, reduced the probability that external dust etc. pollutes and get into generator inside, ensured the normal work of generator.

Furthermore, the number of the slotted holes is four, the four slotted holes are sequentially and uniformly arranged on the upper side, the lower side, the left side and the right side of the first surface, and the four slotted holes are all arc-shaped in shape. The four slotted holes are uniformly and sequentially arranged on the upper side, the lower side, the left side and the right side of the first surface, so that the rotor can be conveniently checked in an all-dimensional manner. The arc slotted hole widens viewing angle, enlarges measuring space, and is convenient for viewing rotor and measuring the gap between stator and rotor. Too many slotted holes can cause generator internal seal not enough and cause the shortcoming that the generator accelerates to damage, and the slotted hole exists too little and can't look over generator inside rotor or can't measure the not enough of stator-rotor clearance well. On one hand, the four slotted holes can effectively check the rotation condition of the rotor and effectively measure the clearance between the stator and the rotor, and on the other hand, the problem that the inside of the generator is damaged in an accelerated manner due to insufficient sealing is solved.

Preferably, a mounting groove is further formed between the first surface and the second surface, and a sealing ring is arranged in the mounting groove. Among the above technical scheme, the sealing washer is established in the mounting groove, and the sealing washer has further ensured the inside sealed of generator, has reduced the probability that pollutes such as external dust get into generator inside, has ensured the normal work of generator. The sealing ring can be an O-shaped ring.

As the preferred, all be equipped with the first bolt hole of a plurality of on back housing and the second face, the back housing passes through bolt detachably and installs on the second face. Among the above technical scheme, the first bolt hole one-to-one on the first bolt hole of back housing and the second face is through using the bolt installation to first bolt hole to back housing detachably fixed mounting is on the second face.

Preferably, the engine end is further provided with an annular mounting surface, the engine flywheel is arranged on the inner side of the annular mounting surface, and the generator stator is detachably arranged on a shell of the engine through the annular mounting surface. In the technical scheme, the generator stator is sleeved outside the generator rotor, and the engine flywheel is arranged in the annular mounting surface, so that the engine flywheel and the annular mounting surface respectively correspond to the generator rotor and the generator stator, and the generator and the engine are conveniently disassembled.

Preferably, a plurality of second bolt holes are formed in the annular mounting surface and the generator stator shell, and the generator stator shell is detachably connected with the annular mounting surface through bolts. Among the above technical scheme, the second bolt hole on the annular installation face and the second bolt hole one-to-one on the generator stator shell are through using the bolt installation to go into the second bolt hole to generator stator shell detachably installs on the annular installation face.

Preferably, the outer side of the generator rotor is provided with a connecting disc, and the connecting disc is detachably connected with the engine flywheel. Among the above technical scheme, the connection pad can welded connection in the generator rotor outside, through connection pad and engine flywheel detachably connected to make generator rotor and engine flywheel detachably connected. Through the connection design of the connecting disc and the engine flywheel, the structural size of the whole range extender is reduced, and the total mass of the range extender is reduced.

Preferably, the connecting disc and the engine flywheel are respectively provided with a plurality of third bolt holes, and the connecting disc and the engine flywheel are detachably connected through bolts; the engine flywheel is also provided with a positioning pin, and the connecting disc is provided with a pin hole corresponding to the positioning pin. Among the above technical scheme, the third bolt hole on the connection pad and the third bolt hole on the engine flywheel one-to-one correspond, install into the third bolt hole through using the bolt to the connection pad is connected with engine flywheel detachably. The positioning pin facilitates the installation and positioning between the engine flywheel and the connecting disc.

The utility model has the advantages that:

through the connection design of the connecting disc and the engine flywheel, the structural size of the whole range extender is reduced, and the total mass of the range extender is reduced; the rotation condition of the inner rotor of the generator can be conveniently checked through the plurality of slot holes on the end surface, and the gap between the fixed rotors in the generator can be conveniently measured, so that the overhaul work of the generator is facilitated, and the defects that the gap between the fixed rotors cannot be conveniently measured and the overhaul is inconvenient in the prior art are overcome; the utility model discloses an electric automobile increases journey ware assembly convenient to detach installation, maintenance.

Drawings

Fig. 1 is an exploded schematic view of an electric vehicle range extender assembly of the present invention;

fig. 2 is a schematic sectional structure view of the range extender assembly of the electric vehicle of the present invention.

In the figure: 1. the engine comprises an engine, 2, a generator, 21, a generator stator, 22, a generator rotor, 31, an end face, 311, a first face, 312, a second face, 32, a slotted hole, 33, a rear cover, 34, a mounting groove, 35, a first bolt hole, 4, an engine flywheel, 5, an annular mounting surface, 6, a second bolt hole, 7, a connecting disc, 8, a third bolt hole, 9 and a positioning pin.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

As shown in fig. 1-2, the range extender assembly of the electric vehicle of the present embodiment includes a generator 2 and an engine 1 detachably connected to the generator 2, the generator 2 includes a generator stator 21 and a generator rotor 22, an engine flywheel 4 is disposed at an end of the engine 1, the generator stator 21 is detachably disposed on an engine housing, the generator rotor 22 is detachably disposed on the engine flywheel 4, an overhaul structure is disposed on a housing of the generator stator 21, and the overhaul structure includes an end face 31 disposed on the housing of the generator 2, a plurality of slot holes 32 disposed on the end face 31, and a rear cover 33 detachably connected to the end face 31.

In this embodiment, the end surface 31 includes a first surface 311 and a second surface 312 surrounding the first surface 311, the slot 32 is disposed on the first surface 311, and the rear cover 33 is detachably mounted on the second surface 312.

In this embodiment, an installation groove 34 is disposed between the first surface 311 and the second surface 312, and a sealing ring is disposed in the installation groove 34.

In this embodiment, the rear cover 33 and the second surface 312 are respectively provided with a plurality of first bolt holes 35, and the rear cover 33 is detachably mounted on the second surface 312 through fastening bolts.

In the embodiment, the engine end is further provided with an annular mounting surface 5, the engine flywheel 4 is arranged on the inner side of the annular mounting surface 5, and the generator stator 21 is detachably arranged on the shell of the engine 1 through the annular mounting surface 5.

In this embodiment, the annular mounting surface 5 and the housing of the generator stator 21 are both provided with a plurality of second bolt holes 6, and the housing of the generator stator 21 and the annular mounting surface 5 are detachably connected through bolts.

In the embodiment, the outer side of the generator rotor 22 is provided with a connecting disc 7, and the connecting disc 7 is detachably connected with the engine flywheel 4; the engine flywheel 4 is also provided with a positioning pin 9, and the connecting disc 7 is provided with a pin hole corresponding to the positioning pin 9.

In this embodiment, the connecting disc 7 and the engine flywheel 4 are both provided with a plurality of third bolt holes 8, and the connecting disc 7 and the engine flywheel 4 are detachably connected through bolts.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled in the art.

The same creation is considered to be simply replaced without changing the creation content of the present invention. The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an electric automobile increases journey ware assembly which characterized in that: including generator (2), engine (1) of being connected with generator (2) detachably, generator (2) are including generator stator (21), generator rotor (22), engine (1) tip is equipped with engine flywheel (4), generator stator (21) detachably establishes on engine (1) casing, generator rotor (22) detachably establishes on engine flywheel (4), be equipped with on generator stator (21) shell and overhaul the structure, it is including establishing terminal surface (31) on generator (2) shell to overhaul the structure, slotted hole (32) on terminal surface (31) are established to a plurality of, back shroud (33) of being connected with terminal surface (31) detachably.

2. The electric vehicle range extender assembly of claim 1, wherein: the end face (31) comprises a first face (311) and a second face (312) annularly arranged on the periphery of the first face (311), the slotted hole (32) is formed in the first face (311), and the rear cover (33) is detachably mounted on the second face (312).

3. The electric vehicle range extender assembly of claim 2, wherein: a mounting groove (34) is arranged between the first surface (311) and the second surface (312), and a sealing ring is arranged in the mounting groove (34).

4. The electric vehicle range extender assembly of claim 2 or 3, wherein: rear cover (33) and second face (312) all are equipped with a plurality of first bolt hole (35), and rear cover (33) passes through the bolt detachably and installs on second face (312).

5. The electric vehicle range extender assembly of claim 4, wherein: the end part of the engine is also provided with an annular mounting surface (5), the engine flywheel (4) is arranged on the inner side of the annular mounting surface (5), and the generator stator (21) is detachably arranged on the shell of the engine (1) through the annular mounting surface (5).

6. The electric vehicle range extender assembly of claim 5, wherein: a plurality of second bolt holes (6) are formed in the annular mounting surface (5) and the shell of the generator stator (21), and the shell of the generator stator (21) is detachably connected with the annular mounting surface (5) through bolts.

7. The electric vehicle range extender assembly of claim 1 or 2 or 3 or 5 or 6 wherein: the outer side of the generator rotor (22) is provided with a connecting disc (7), and the connecting disc (7) is detachably connected with the engine flywheel (4).

8. The electric vehicle range extender assembly of claim 7, wherein: the connecting disc (7) and the engine flywheel (4) are respectively provided with a plurality of third bolt holes (8), and the connecting disc (7) and the engine flywheel (4) are detachably connected through bolts; the engine flywheel (4) is also provided with a positioning pin (9), and the connecting disc (7) is provided with a pin hole corresponding to the positioning pin (9).