Motor shell and motor

Abstract

The utility model discloses a motor housing and a motor, the motor housing comprises a cylindrical housing and a square housing, the cylindrical housing is internally provided with a separation block, so that the inner cavity of the cylindrical housing is divided into a first inner cavity and a second inner cavity, the first inner cavity is used for placing a motor stator and a motor rotor, the second inner cavity is used for placing a speed change device, and the speed change device is used for placing a motor rotor. A first through hole for a transmission shaft of the motor to penetrate through is formed in the separation block; the square shell is formed on the outer side peripheral wall, corresponding to the first inner cavity, of the cylindrical shell, a third inner cavity used for containing a motor controller and a motor wiring terminal is formed in the square shell, a second through hole is formed in the outer side peripheral wall, corresponding to the first inner cavity, of the cylindrical shell, and the first inner cavity and the third inner cavity are communicated through the second through hole; and the cylindrical shell and the square shell are integrally formed. The system has the advantages of high integration level, reasonable structural design, convenience in motor transmission and motor wiring and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field especially relates to a motor shell and motor. BACKGROUND

[0002] At present, in the electric motorcycle using motor as driving device, the motor needs to be connected with transmission device and connected with control device. However, the space on the electric motorcycle is not very large, so the integration of the motor is constantly improved, how to reasonably optimize the motor structure, realize the high integration of motor, transmission device and control device, and at the same time can consider the transmission connection of motor and transmission device and the electrical connection of motor and control device, become the difficult problem to be solved. SUMMARY

[0003] The utility model discloses a motor shell and motor, which has high integration, reasonable structure design, easy implementation of motor transmission and motor wiring, and other advantages.

[0004] In a first aspect, the utility model provides a motor shell, which comprises a cylindrical shell and a square shell.

[0005] The cylindrical shell is internally provided with a partition block, so that the inner cavity of the cylindrical shell is divided into a first inner cavity and a second inner cavity, the first inner cavity is used for placing a motor stator and a motor rotor, and the second inner cavity is used for placing a transmission device, the partition block is provided with a first through hole through which a transmission shaft of the motor passes.

[0006] The square shell is formed on the outer side circumferential wall of the cylindrical shell corresponding to the first inner cavity, a third inner cavity for placing a motor controller and a motor terminal is formed in the square shell, the outer side circumferential wall of the cylindrical shell corresponding to the first inner cavity is provided with a second through hole, and the second through hole communicates the first inner cavity and the third inner cavity.

[0007] The cylindrical shell and the square shell are integrally formed.

[0008] The motor shell has the advantages that the motor, the speed changing device and the controller are integrated, the structure is reasonable, the motor transmission and the motor wiring are facilitated, and the like.

[0009] The motor shell has the advantages that the motor, the speed changing device and the controller are integrated, the structure is reasonable, the motor transmission and the motor wiring are facilitated, and the like.

[0010] The motor shell has the advantages that the motor, the speed changing device and the controller are integrated, the structure is reasonable, the motor transmission and the motor wiring are facilitated, and the like.

[0011] The motor shell has the advantages that the motor, the speed changing device and the controller are integrated, the structure is reasonable, the motor transmission and the motor wiring are facilitated, and the like.

[0012] The motor shell has the advantages that the motor, the speed changing device and the controller are integrated, the structure is reasonable, the motor transmission and the motor wiring are facilitated, and the like.

[0013] The motor shell has the advantages that the motor, the speed changing device and the controller are integrated, the structure is reasonable, the motor transmission and the motor wiring are facilitated, and the like.

[0014] The motor shell has the advantages that the motor, the speed changing device and the controller are integrated, the structure is reasonable, the motor transmission and the motor wiring are facilitated, and the like.

[0015] The motor shell provided by some embodiments of the utility model has first fixed fins and second fixed fins which are parallel to the heat dissipation fins and are arranged on the outer side circumferential wall of the cylindrical shell.

[0016] The motor shell provided by some embodiments of the utility model has first fixed fins and second fixed fins which are parallel to the heat dissipation fins and are arranged on the outer side circumferential wall of the cylindrical shell.

[0017] In the second aspect, the utility model provides a motor which comprises the motor shell as described in the first aspect.

[0018] The motor provided by the utility model has the following beneficial effects: the cylindrical shell and the square shell are integrally formed to form the motor shell, and the first inner cavity for placing the motor stator and the motor rotor, the second inner cavity for placing the speed changing device and the third inner cavity for placing the motor controller and the motor terminal are formed, so that the motor has higher integration, and the motor, the speed changing device and the controller are integrated; the transmission shaft of the motor rotor arranged in the first inner cavity passes through the first through hole of the partition block between the first inner cavity and the second inner cavity, so as to extend to the second inner cavity and realize the transmission connection with the speed changing device in the second inner cavity; the square shell is formed on the outer side circumferential wall corresponding to the first inner cavity of the cylindrical shell, and the second through hole for connecting the first inner cavity and the third inner cavity is arranged on the outer side circumferential wall corresponding to the first inner cavity of the cylindrical shell, so that the wires of the motor winding in the first inner cavity can extend to the third inner cavity from the second through hole, thereby realizing the connection between the motor winding and the motor terminal; the motor has the advantages of high integration, reasonable structure design, convenient realization of motor transmission and motor wiring and the like.

[0019] Other features and advantages of the utility model will be set forth in the subsequent description, and some of them will become apparent from the description, or will be understood from the practice of the utility model. The objects and other advantages of the utility model can be realized and obtained through the structures specifically pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings are used to provide a further understanding of the technical scheme of the utility model, and constitute a part of the description, and are used together with the embodiments of the utility model to explain the technical scheme of the utility model, and do not constitute a limitation on the technical scheme of the utility model.

[0021] The utility model will be further explained in combination with the drawings and embodiments;

[0022] Figure 1is a whole structure schematic view of one angle of the motor shell provided by the embodiment of the utility model;

[0023] Figure 2 is a whole structure schematic view of another angle of the motor shell provided by the embodiment of the utility model;

[0024] Figure 3 is a whole structure schematic view of still another angle of the motor shell provided by the embodiment of the utility model;

[0025] Figure 4 is a structure schematic view of one end surface of the motor shell provided by the embodiment of the utility model;

[0026] Figure 5 is a structure schematic view of another end surface of the motor shell provided by the embodiment of the utility model. DETAILED DESCRIPTION

[0027] This part will describe the specific embodiment of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0028] In the description of the embodiment of the utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, within, etc. are understood as including the number, "at least one" means one or more, "at least one of the following" and similar expressions mean any combination of these items, including single or multiple items. If there is a description of "first", "second", etc. is only used to distinguish technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0029] It should be noted that the words such as setting, installation and connection in the embodiment of the utility model should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the embodiment of the utility model according to the specific content of the technical scheme. For example, the term "connection" can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium.

[0030] It should be noted that the technical features involved in each embodiment of the utility model described below can be combined with each other as long as there is no conflict between them.

[0031] Currently, in electric motorcycles that use motors as their drive unit, the motor needs to be connected to both the transmission and the control unit. However, space on electric motorcycles is often limited, thus increasing the requirements for motor integration. How to rationally optimize the motor structure to achieve a high degree of integration between the motor, transmission, and control unit, while simultaneously facilitating both the transmission connection between the motor and the transmission and the electrical connection between the motor and the control unit, has become a pressing problem to be solved.

[0032] Based on this, the present invention provides a motor housing and a motor, which have the advantages of high integration, reasonable structural design, and easy implementation of motor transmission and motor wiring.

[0033] The embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0034] Reference Figures 1 to 5 The first aspect of this utility model provides a motor housing, including a cylindrical housing 100 and a square housing 200, wherein:

[0035] The cylindrical housing 100 is provided with a partition block 110 to divide the inner cavity of the cylindrical housing 100 into a first inner cavity 101 and a second inner cavity 102. The first inner cavity 101 is used to place the motor stator and the motor rotor, and the second inner cavity 102 is used to place the speed change device. The partition block 110 is provided with a first through hole 111 through which the drive shaft of the motor passes.

[0036] A square housing 200 is formed on the outer peripheral wall of the cylindrical housing 100 corresponding to the first inner cavity 101. A third inner cavity 201 for placing the motor controller and motor terminals is formed inside the square housing 200. A second through hole 103 is provided on the outer peripheral wall of the cylindrical housing 100 corresponding to the first inner cavity 101. The second through hole 103 connects the first inner cavity 101 and the third inner cavity 201.

[0037] The cylindrical shell 100 and the square shell 200 are integrally formed.

[0038] According to the motor shell, the cylindrical shell 100 and the square shell 200 are integrally formed, and the first inner cavity 101 for placing a motor stator and a motor rotor, the second inner cavity 102 for placing a speed changing device and the third inner cavity 201 for placing a motor controller and a motor terminal are formed, so that the integration of the motor is higher, and the motor, the speed changing device and the controller are integrated; the partition block 110 between the first inner cavity 101 and the second inner cavity 102 is provided with the first through hole 111, the transmission shaft of the motor rotor arranged in the first inner cavity 101 passes through the first through hole 111 and extends to the second inner cavity 102, so that the transmission connection with the speed changing device in the second inner cavity 102 is realized; and the square shell 200 is formed on the outer side circumferential wall of the cylindrical shell 100 corresponding to the first inner cavity 101, and the second through hole 103 for connecting the first inner cavity 101 and the third inner cavity 201 is arranged on the outer side circumferential wall of the cylindrical shell 100 corresponding to the first inner cavity 101, so that the wiring of the motor winding in the first inner cavity 101 can extend to the third inner cavity 201 from the second through hole 103, and the connection of the motor winding and the motor terminal is realized; the motor shell has the advantages of high integration, reasonable structure design, convenient realization of motor transmission and motor wiring and the like.

[0039] With reference to Figure 2 And Figure 3 In the motor shell provided in some embodiments of the utility model, a plurality of protrusions 120 are arranged on the inner side circumferential wall of the second inner cavity 102, and the first fixing hole 121 for fixing the speed changing device is arranged on the protrusion 120.

[0040] In the embodiment, the positioning of the speed changing device is realized through the protrusions 120 arranged on the inner side circumferential wall of the second inner cavity 102, then the first fixing hole 121 is arranged on the protrusion 120, the fixing of the speed changing device is realized, and the positioning and fixing of the speed changing device can be conveniently realized.

[0041] With reference to Figure 2 And Figure 3 In the motor shell provided in some embodiments of the utility model, the plurality of protrusions 120 are uniformly arranged, and the positioning groove 104 is formed between the adjacent two protrusions 120.

[0042] In the embodiment, the plurality of protrusions 120 are uniformly arranged, the positioning groove 104 is formed between the adjacent two protrusions 120, and the positioning of the speed changing device can be conveniently realized.

[0043] With reference to Figure 2 And Figure 3 In the motor shell provided in some embodiments of the utility model, the cylindrical shell 100 is further provided with the third through hole 105 for connecting the second inner cavity 102 and the external space, and the third through hole 105 is used for injecting lubricating oil into the second inner cavity 102.

[0044] In the embodiment, the third through hole 105 is arranged on the cylindrical shell 100, and the lubricating oil can be injected into the second inner cavity 102 through the third through hole 105, so that the components of the transmission device in the second inner cavity 102 are lubricated.

[0045] With reference to Figure 2 and Figure 3 In the motor shell provided in some embodiments of the utility model, the third through hole 105 corresponds to the position between the two adjacent protrusions 120.

[0046] In the embodiment, the third through hole 105 corresponds to the position between the two adjacent protrusions 120, that is, the third through hole 105 is staggered with the protrusions 120, the third through hole 105 corresponds to the position of the positioning groove 104, and the opening depth of the third through hole 105 is relatively shallow, and the opening can be realized without passing through the protrusions 120.

[0047] With reference to Figure 3 and Figure 4 In the motor shell provided in some embodiments of the utility model, the protrusion 120 is located at the connection between the inner side circumferential wall of the second inner cavity 102 and the partition block 110 and extends in the axial direction of the second inner cavity 102; the length of the protrusion 120 is less than the depth of the second inner cavity 102.

[0048] In the embodiment, the protrusion 120 is located at the connection between the inner side circumferential wall of the second inner cavity 102 and the partition block 110, that is, the protrusion 120 is located at the inner side of the second inner cavity 102, for example, the bottom of the angle shown in Figure 3 The outer side of the second inner cavity 102 can reserve a larger mounting space.

[0049] With reference to Figures 1 to 3 In the motor shell provided in some embodiments of the utility model, the outer side circumferential wall of the cylindrical shell 100 is further provided with a plurality of parallel heat dissipation fins 130.

[0050] In the embodiment, the heat generated by the motor stator and the motor rotor inside the first inner cavity 101 and the heat generated by the transmission device inside the second inner cavity 102 can be transmitted to the heat dissipation fins 130 on the outer side circumferential wall through the cylindrical shell 100 and further exchanged with the air outside to achieve heat dissipation.

[0051] With reference to Figure 2 and Figure 3In the motor shell provided by some embodiments of the utility model, the outer side circumferential wall of the cylindrical shell body 100 is further provided with a first fixed fin 140 and a second fixed fin 150 parallel to the radiating fins 130, the first fixed fin 140 corresponds to the outside of the first inner cavity 101 and is connected with the square shell body 200, and the second fixed fin 150 corresponds to the outside of the second inner cavity 102.

[0052] In the embodiment, the first fixed fin 140 can fix the motor stator and the motor rotor in the first inner cavity 101, and the second fixed fin 150 can fix the speed changing device in the second inner cavity 102, so that the motor shell does not vibrate greatly during the operation of the motor.

[0053] Referring to Figure 2 and Figure 3 In the motor shell provided by some embodiments of the utility model, the thicknesses of the first fixed fin 140 and the second fixed fin 150 are greater than the thickness of the radiating fin 130.

[0054] In the embodiment, the first fixed fin 140 and the second fixed fin 150 simultaneously play the roles of fixing and radiating heat, and the thicknesses of the first fixed fin 140 and the second fixed fin 150 are greater, so that the stability of the fixing can be improved.

[0055] In addition, the second aspect embodiment of the utility model provides a motor comprising the motor shell of the first aspect embodiment.

[0056] According to the motor provided by the utility model embodiment, the cylindrical shell body 100 and the square shell body 200 are integrally formed to constitute the motor shell, and the first inner cavity 101 for placing the motor stator and the motor rotor, the second inner cavity 102 for placing the speed changing device, and the third inner cavity 201 for placing the motor controller and the motor terminal are formed, so that the motor has higher integration, and the motor, the speed changing device and the controller are integrated; the partition block 110 between the first inner cavity 101 and the second inner cavity 102 is provided with the first through hole 111, the transmission shaft of the motor rotor placed in the first inner cavity 101 passes through the first through hole 111 and extends to the second inner cavity 102, so that the transmission connection with the speed changing device in the second inner cavity 102 is realized; and the square shell body 200 is formed on the outer side circumferential wall of the cylindrical shell body 100 corresponding to the first inner cavity 101, and the second through hole 103 for communicating the first inner cavity 101 and the third inner cavity 201 is arranged on the outer side circumferential wall of the cylindrical shell body 100 corresponding to the first inner cavity 101, so that the motor winding in the first inner cavity 101 can extend to the third inner cavity 201 from the second through hole 103, and the connection between the motor winding and the motor terminal is realized; the motor has the advantages of high integration, reasonable structure design, convenient realization of motor transmission and motor wiring and the like.

[0057] The utility model embodiment has been explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, still can make various changes in the knowledge range of ordinary skill in the art who has possessed under the premise of not departing from the utility model tenet.

Claims

1. An electrical machine housing, characterized in that, The motor housing comprises: a cylindrical shell, which is internally provided with a partition block to divide the inner cavity of the cylindrical shell into a first inner cavity and a second inner cavity, the first inner cavity being used for placing a motor stator and a motor rotor, and the second inner cavity being used for placing a speed changing device, the partition block being provided with a first through hole for the transmission shaft of the motor to pass through; a square shell, which is formed on the outer side circumferential wall of the cylindrical shell corresponding to the first inner cavity, and internally forms a third inner cavity for placing a motor controller and a motor terminal, the outer side circumferential wall of the cylindrical shell corresponding to the first inner cavity being provided with a second through hole, which communicates the first inner cavity and the third inner cavity; wherein the cylindrical shell and the square shell are integrally formed.

2. The motor housing of claim 1, wherein, The inner side circumferential wall of the second inner cavity is provided with a plurality of protrusions, and the protrusions are provided with first fixing holes for fixing the speed changing device.

3. The motor housing of claim 2, wherein, The plurality of protrusions are uniformly arranged, and a positioning groove is formed between two adjacent protrusions.

4. The motor housing of claim 2, wherein, The cylindrical shell is further provided with a third through hole, which communicates the second inner cavity and an external space, and is used for injecting lubricating oil into the second inner cavity.

5. The motor housing of claim 4, wherein, The third through hole corresponds to the position between two adjacent protrusions.

6. The motor housing of claim 2, wherein, The protrusions are located at the connection between the inner side circumferential wall of the second inner cavity and the partition block, and extend in the axial direction of the second inner cavity; the length of the protrusions is less than the depth of the second inner cavity.

7. The motor housing of claim 1, wherein The outer side circumferential wall of the cylindrical shell is further provided with a plurality of parallel heat dissipation fins.

8. The motor housing of claim 7, wherein, The outer side circumferential wall of the cylindrical shell is further provided with a first fixing fin and a second fixing fin parallel to the heat dissipation fins, the first fixing fin corresponding to the outside of the first inner cavity and being connected with the square shell, and the second fixing fin corresponding to the outside of the second inner cavity.

9. The motor housing of claim 8, wherein, The thickness of the first fixing fin and the second fixing fin is greater than the thickness of the heat dissipation fins.

10. An electric machine characterized by The motor housing comprises any one of claims 1 to 9.

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