Range extender assembly and automobile

Abstract

The embodiment of the utility model provides a range extender assembly and an automobile, and relates to the field of automobile parts. The range extender assembly comprises an integrated cylinder body, an integrated crankshaft, an oil pan and a generator assembly, wherein the integrated crankshaft is contained in the integrated cylinder body, at least part of the generator assembly is contained in the integrated cylinder body, the integrated crankshaft is matched with the generator assembly, and the oil pan is connected to the integrated cylinder body. According to the range extender assembly, the integrated crankshaft and the engine assembly can be connected at the same time through the integrated cylinder body, an engine shell and a generator shell do not need to be produced and assembled separately, the transmission effect is ensured through cooperation of the integrated crankshaft and the generator assembly, and compared with the prior art, the range extender assembly simplifies the assembly process and reduces the production cost. And the range extender assembly is lighter and more compact, so that the cruising ability of an automobile can be improved. The automobile comprises the range extender assembly and has all functions of the range extender assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts, and particularly relates to a range extender assembly and automobile. BACKGROUND

[0002] The range extender generally refers to an electric automobile part capable of providing additional electric energy, so that the electric automobile can increase the driving mileage, and is generally understood as the combination of an engine and a generator.

[0003] The existing engine and generator are usually produced separately and then assembled together, and the connecting part of the engine shell and the generator shell needs to be reinforced to ensure the stability of the connection during assembly, so that the overall range extender assembly has the problems of complicated assembly process, heavy weight, and large size. SUMMARY

[0004] The utility model provides a range extender assembly and automobile, it can simplify the assembly process of range extender assembly, and make range extender assembly more lightweight and compact, which helps to improve the endurance of the automobile.

[0005] The embodiment of the utility model can be implemented as follows:

[0006] The embodiment of the utility model provides a range extender assembly, which comprises:

[0007] The integrated cylinder body, the integrated crankshaft, the oil pan and the generator assembly are integrated.

[0008] The integrated crankshaft is accommodated in the integrated cylinder body, at least part of the generator assembly is accommodated in the integrated cylinder body, the integrated crankshaft cooperates with the generator assembly, and the oil pan is connected to the integrated cylinder body.

[0009] Optionally, the generator assembly comprises a generator stator, a generator rotor and a rear end cover, the generator stator is sleeved on the generator rotor, the generator stator and the generator rotor are both accommodated in the integrated cylinder body, the generator rotor cooperates with the integrated crankshaft, and the rear end cover is connected to the integrated cylinder body.

[0010] Optionally, the integrated crankshaft comprises an integrally formed crankshaft body and a rotor shaft, and the generator rotor cooperates with the rotor shaft.

[0011] Optionally, the generator assembly further comprises a sealing element, and the sealing element is arranged between the integrated cylinder body and the rear end cover.

[0012] Optionally, the generator assembly further comprises an electronic control, and the electronic control is connected to the side of the rear end cover away from the integrated cylinder body.

[0013] Optionally, the integrated cylinder body comprises an integrally formed engine chamber and generator chamber, the integrated crankshaft is accommodated in the engine chamber and the generator chamber simultaneously, at least part of the motor assembly is accommodated in the generator chamber, and the oil pan is connected to the engine chamber and the generator chamber simultaneously.

[0014] Optionally, a bottom of the generator chamber is arranged protruding from a bottom of the engine chamber.

[0015] Optionally, the integrated cylinder body further comprises a reinforcing rib arranged on an outer wall at a connection between the engine chamber and the generator chamber.

[0016] Optionally, the range extender assembly further comprises a cylinder head arranged on the integrated cylinder body.

[0017] The embodiment of the utility model further provides a car comprising the range extender assembly.

[0018] The range extender assembly and the car of the embodiment of the utility model have the advantages of, for example:

[0019] The range extender assembly comprises an integrated cylinder body, an integrated crankshaft, an oil pan and a generator assembly; wherein the integrated crankshaft is accommodated in the integrated cylinder body, at least part of the generator assembly is accommodated in the integrated cylinder body, the integrated crankshaft cooperates with the generator assembly, and the oil pan is connected to the integrated cylinder body. The range extender assembly can connect the integrated crankshaft and the engine assembly simultaneously through the integrated cylinder body, and does not need to separately produce and assemble an engine shell and a generator shell, and ensures transmission effect through cooperation of the integrated crankshaft and the generator assembly, so that the range extender assembly is simplified in assembly process, is more lightweight and compact, and is helpful to improve the endurance of the car.

[0020] The car comprises the range extender assembly, and has all the functions of the range extender assembly. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as limiting the scope, and for those skilled in the art, other related drawings can be obtained without creative labor on the basis of the drawings.

[0022] Figure 1 It is a structural schematic view of the range extender assembly provided in the embodiment of the utility model.

[0023] Icon: 100 - range extender assembly; 110 - integrated cylinder block; 111 - engine chamber; 112 - generator chamber; 113 - stiffener; 120 - integrated crankshaft; 121 - crankshaft body; 122 - rotor shaft; 130 - oil pan; 140 - cylinder head; 150 - generator assembly; 151 - generator stator; 152 - generator rotor; 153 - rear end cover; 154 - seal; 155 - electronic control. DETAILED DESCRIPTION

[0024] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0026] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0027] In the description of the present application, it should be noted that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] In addition, if the terms "first", "second" and the like appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] The terms "comprise", "contain", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the element defined by the phrase "comprises a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0030] Unless otherwise explicitly specified and limited, the terms "provide", "connect" and the like should be understood broadly, for example, "connect" can be fixed connection, or detachable connection, or integral connection; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] It should be noted that the features in the embodiments of the utility model can be combined with each other without conflict.

[0032] As mentioned in the background, the range extender generally refers to an electric vehicle part that can provide additional electric energy, so that the electric vehicle can increase the driving range, and is generally understood as the combination of an engine and a generator. The existing engine and generator are usually produced separately and then assembled together. During assembly, the connecting parts of the engine housing and the generator housing need to be reinforced to ensure the stability of the connection, so that the overall range extender assembly has the problems of complicated assembly process, heavy weight and large size.

[0033] Please refer to Figure 1 The range extender assembly 100 and the automobile provided in the embodiments of the utility model can solve the above problems, which will be described in detail as follows.

[0034] In a first aspect, the embodiments of the utility model provide a range extender assembly 100 for an automobile, which comprises:

[0035] The integrated cylinder body 110, the integrated crankshaft 120, the oil pan 130 and the generator assembly 150;

[0036] The integrated crankshaft 120 is accommodated in the integrated cylinder body 110, at least part of the generator assembly 150 is accommodated in the integrated cylinder body 110, the integrated crankshaft 120 cooperates with the generator assembly 150, and the oil pan 130 is connected to the integrated cylinder body 110.

[0037] The range extender assembly 100 can be connected with the integrated crankshaft 120 and the engine assembly through the integrated cylinder body 110, and the engine housing and the generator housing do not need to be produced and assembled separately, and the transmission effect is ensured through the cooperation of the integrated crankshaft 120 and the generator assembly 150. Compared with the prior art, the range extender assembly 100 simplifies the assembly process, and makes the range extender assembly 100 more lightweight and compact, which helps to improve the endurance of the automobile.

[0038] It is worth noting that the integrated cylinder body 110 can simplify the assembly process of the two housings through the integrated structure compared with the existing split type engine housing and generator housing structure, and ensure the strength through the integrated structure, reduce the reinforcing structure of the two housings when connected and assembled, and thus the overall weight can be reduced and the extension length can be shortened, thereby meeting the standards of lightweight and compactness.

[0039] Please refer to Figure 1 The generator assembly 150 includes a generator stator 151, a generator rotor 152 and a rear end cover 153. The generator stator 151 is sleeved on the generator rotor 152, and the generator stator 151 and the generator rotor 152 are accommodated in the integrated cylinder body 110. The generator rotor 152 cooperates with the integrated crankshaft 120, and the rear end cover 153 is connected to the integrated cylinder body 110.

[0040] In the assembled state, the integrated crankshaft 120 can drive the engine rotor to rotate, and the engine stator remains fixed to realize relative motion with the engine rotor. The integrated cylinder body 110 can support the engine stator and the engine rotor, and the rear end cover 153 is used to connect and seal the open end of the integrated cylinder body 110, so as to avoid the engine stator and the engine rotor from easily separating from the integrated cylinder body 110.

[0041] It should be noted that the integrated crankshaft 120 includes an integrally formed crankshaft body 121 and a rotor shaft 122, which can ensure the coaxiality of the two and ensure the transmission effect, reduce vibration and noise, and make the cooperation between the generator rotor 152 and the rotor shaft 122 more precise.

[0042] In addition, in order to further reduce the axial size extension length, different pump body structures or oil paths or water paths can also be inherited on the rear end cover 153, thereby more in line with the design standards of lightweight and compactness.

[0043] Please refer to Figure 1 In order to ensure the connection and sealing, and avoid dust and impurities from interfering with the normal work of the generator stator 151 and the generator rotor 152, the generator assembly 150 can further include a sealing member 154, which is arranged between the integrated cylinder body 110 and the rear end cover 153.

[0044] In the embodiment, the sealing member 154 is a special-shaped sealing ring, and the number of the sealing ring is one; of course, in other embodiments of the utility model, the number of the sealing ring can also be two, three, four, etc., and multiple sealing rings can be arranged at intervals in the radial direction, thereby forming a multi-layer sealing effect, and the specific number of the sealing ring is not limited.

[0045] In addition, the generator assembly 150 further comprises an electric control 155 connected to the side of the rear end cover 153 away from the integrated cylinder body 110, and the electric control 155 is used for communicating with other components, thereby enabling the work of the overall range extender assembly 100 to be more intelligent.

[0046] Please refer to Figure 1 , in order to facilitate the separate accommodation of different components, the integrated cylinder body 110 can comprise an integrally formed engine chamber 111 and a generator chamber 112, the integrated crankshaft 120 is accommodated in the engine chamber 111 and the generator chamber 112, at least part of the motor assembly is accommodated in the generator chamber 112, and the oil pan 130 is connected to the engine chamber 111 and the generator chamber 112.

[0047] Specifically, the crankshaft body 121 of the integrated crankshaft 120 is accommodated in the engine chamber 111, the rotor shaft 122 of the integrated crankshaft 120, the generator stator 151 and the generator rotor 152 are all accommodated in the generator chamber 112, and the oil pan 130 is located on the underside of the engine chamber 111 and on the side of the generator chamber 112 away from the rear end cover 153. Moreover, the bottom of the generator chamber 112 protrudes from the bottom of the engine chamber 111.

[0048] Please refer to Figure 1 , in order to ensure that the engine chamber 111 and the generator chamber 112 have sufficient strength when integrally formed, and to avoid easy breakage of the two, the integrated cylinder body 110 can further comprise a reinforcing rib 113 arranged on the outer wall at the connection between the engine chamber 111 and the generator chamber 112.

[0049] In the embodiment, the extension direction of the reinforcing rib 113 is consistent with the axial direction of the generator stator 151; of course, in other embodiments of the utility model, the reinforcing rib 113 can also be arranged in extension in other directions, and the specific extension direction of the reinforcing rib 113 is not limited.

[0050] In addition, because the outer wall of the generator chamber 112 protrudes from the engine chamber 111, the reinforcing rib 113 arranged on the outer wall at the connection between the two also has a certain extension length in the radial direction.

[0051] Please refer to Figure 1, in order to facilitate the top of the integrated cylinder body 110 cover seal, can make the range extending device assembly 100 also includes cylinder cover 140, cylinder cover 140 cover integrated cylinder body 110. Specifically, the cylinder cover 140 cover the upper side of the engine chamber 111. And, the top of the engine chamber 111 protruding from the generator chamber 112 is provided.

[0052] In a second aspect, the embodiments of the utility model also provide a car, including above-mentioned range extending device assembly 100, still include power battery system, power drive system, whole car control system and car body, each system and range extending device are installed at different positions of car body and cooperate to realize the walking drive of car body. The car includes range extending device assembly 100, and it has all functions of range extending device assembly 100.

[0053] In summary, the range extending device assembly and the car provided by the embodiments of the utility model have at least the following advantages:

[0054] (1), the range extending device assembly 100 and the car can connect the integrated crankshaft 120 and the engine assembly through the integrated cylinder body 110, without separately producing and assembling the engine shell and the generator shell, and ensure the transmission effect through the cooperation of the integrated crankshaft 120 and the generator assembly 150, the range extending device assembly 100 simplifies the assembly process compared with the prior art, and makes the range extending device assembly 100 more lightweight and compact, which helps to improve the endurance of the car.

[0055] (2), the range extending device assembly 100 and the car can improve the transmission effect and reduce vibration and noise under the premise of ensuring coaxiality by setting the integrated crankshaft 120 integrally formed by the crankshaft body 121 and the rotor shaft 122, and the cooperation between the generator rotor 152 and the rotor shaft 122 is more precise.

[0056] (3), the range extending device assembly 100 and the car can accommodate different parts respectively by setting the integrated cylinder body integrally formed by the engine chamber 111 and the generator chamber 112, thereby reducing the axial extension size; and the reinforcing ribs 113 are formed on the outer wall at the connection between the engine chamber 111 and the generator chamber 112, for ensuring the strength of the connection between the engine chamber 111 and the generator chamber 112, avoiding easy breakage during use, and thereby fully ensuring the service life of the integrated cylinder body 110.

[0057] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered within the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. An augmenter assembly, comprising: The range extender assembly comprises: an integrated cylinder block (110), an integrated crankshaft (120), an oil pan (130) and a generator assembly (150); wherein the integrated crankshaft (120) is housed in the integrated cylinder block (110), at least part of the generator assembly (150) is housed in the integrated cylinder block (110), the integrated crankshaft (120) cooperates with the generator assembly (150), and the oil pan (130) is connected to the integrated cylinder block (110).

2. The range extender assembly of claim 1, wherein, The generator assembly (150) comprises a generator stator (151), a generator rotor (152) and a rear end cover (153), the generator stator (151) is sleeved on the generator rotor (152), the generator stator (151) and the generator rotor (152) are both housed in the integrated cylinder block (110), the generator rotor (152) cooperates with the integrated crankshaft (120), and the rear end cover (153) is connected to the integrated cylinder block (110).

3. The range extender assembly of claim 2, wherein, The integrated crankshaft (120) comprises an integrally formed crankshaft body (121) and a rotor shaft (122), and the generator rotor (152) cooperates with the rotor shaft (122).

4. The range extender assembly of claim 2, wherein, The generator assembly (150) further comprises a sealing member (154) arranged between the integrated cylinder block (110) and the rear end cover (153).

5. The range extender assembly of claim 2, wherein, The generator assembly (150) further comprises an electronic control (155) connected to a side of the rear end cover (153) away from the integrated cylinder block (110).

6. The range extender assembly of any one of claims 1-5, wherein, The integrated cylinder block (110) comprises an integrally formed engine chamber (111) and a generator chamber (112), the integrated crankshaft (120) is housed in both the engine chamber (111) and the generator chamber (112), at least part of the generator assembly is housed in the generator chamber (112), and the oil pan (130) is connected to both the engine chamber (111) and the generator chamber (112).

7. The range extender assembly of claim 6, wherein, The bottom of the generator chamber (112) is arranged protruding from the bottom of the engine chamber (111).

8. The range extender assembly of claim 6, wherein, The integrated cylinder block (110) further comprises a reinforcing rib (113) arranged on the outer wall at the joint of the engine chamber (111) and the generator chamber (112).

9. The range extender assembly of any one of claims 1-5, wherein, The range extender assembly further comprises a cylinder head (140) covering the integrated cylinder block (110).

10. An automobile characterized by comprising: The range extender assembly comprises any one of claims 1-9. The range extender assembly comprises any one of claims 1-9.

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