Rear end cover assembly and motor assembly

Abstract

A rear end cover assembly of a motor includes a housing, a first side cover and a second side cover, the housing includes a side wall housing, a first end portion and a second end portion, the side wall housing includes a first through hole, a second through hole, a first side mounting surface and a second side mounting surface, the first through hole penetrates through the first side mounting surface and is used for assembling and configuring a power line, and the second through hole penetrates through the second side mounting surface and is used for assembling and configuring the power line. The second through hole penetrates through the second side mounting surface and is used for assembling and configuring a signal line, and the first side cover and the second side cover are respectively used for covering the first through hole and the second through hole and fastening the first side mounting surface and the second side mounting surface; and the power line and the signal line respectively penetrate through the first through hole and the second through hole and are respectively led out along the first guide groove of the first side cover and the second guide groove of the second side cover, so that the pull resistance of the wire and the air tightness of the motor can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to a motor assembly, in particular to a rear end cover assembly and a motor assembly using the same. BACKGROUND

[0002] With the increasing diversification and efficiency of the application of the motor, the manufacturing technology continues to break through, so that the market suppliers optimize the products to stimulate consumption in order to meet the needs. So far, the user's experience has been systematically data-based statistics, and how these data are used directly affects the distribution weight of the motor competition market.

[0003] The relevance of the conductive wire to the motor is considered to be a key, and the conductive wire generally includes a power line and a signal line. One end of the power line and the signal line is connected to the motor driver, and the other end of the power line is connected to the winding group in the motor housing, and the other end of the signal line is connected to the sensing assembly in the motor housing. At present, the existing technology can be divided into two categories according to whether the conductive wire is arranged on the motor. The first technology is that the conductive wire is arranged on the motor, and the overall shape is easily limited. When installing, the wire end position and volume have to be compromised, and the user often moves the motor joint end of the conductive wire, even falls off, resulting in the failure of waterproof and dustproof measures. The second technology is that the conductive wire is not arranged on the motor, that is, a connector is arranged on the motor housing, and the conductive wire is connected when needed. However, this design makes the connector on the motor housing directly exposed to the outside, so it is more difficult to meet the requirements of waterproof and dustproof levels.

[0004] Therefore, it is necessary to provide a rear end cover assembly and a motor assembly using the same to solve the shortcomings of the prior art. INVENTION CONTENTS

[0005] The purpose of the present application is to provide a rear end cover assembly and a motor assembly using the same. The rear end cover assembly includes a housing, a first side cover, a second side cover, a power line and a signal line. The power line and the signal line passing through the rear end cover assembly are fastened by the design of the outer shape of the housing, the first side cover and the second side cover and the detachable assembly configuration of each other, thereby improving the tensile resistance of the power line and the signal line. In addition, the housing, the first side cover, the second side cover, the power line and the signal line are assembled into a rear end cover assembly, which can perform airtightness test, not only improving the repair efficiency, but also reducing the cost consumption caused by subsequent material investment. The components of the rear end cover assembly of the present application are detachably connected, so that the power line and the signal line can be selected according to the application requirements, thereby improving the product competitiveness.

[0006] Another object of the present application is to provide a rear end cover assembly and a motor assembly using the same, by designing the first side cover and the second side cover to have an outer profile that only allows the diameter of the power line and the signal line to pass through, the volume of the motor assembly is reduced, and the application level of the motor is more diversified.

[0007] To achieve the foregoing objects, the present application provides a rear end cover assembly for assembling with a motor main body. The rear end cover assembly includes a housing, a first side cover, a second side cover, a power line and a signal line. The housing has a first end portion, a second end portion and a side wall housing. The first end portion and the second end portion are arranged at opposite ends of the side wall housing, and the side wall housing connects the first end portion and the second end portion and forms a containing space, wherein the first end portion is fitted to a motor stator of the motor main body, and an encoder is arranged in the containing space. The side wall housing includes a first through hole, a second through hole, a first side mounting surface and a second side mounting surface. The first through hole penetrates the first side mounting surface and is assembled and configured to lead out the power line, and the second through hole penetrates the second side mounting surface and is assembled and configured to lead out the signal line. The first side cover covers the first through hole and is arranged on the first side mounting surface, and the first side cover includes a first guide groove, the first guide groove is in communication with the first through hole of the side wall housing, the power line penetrates the first through hole and is led out along the first guide groove, and one end of the power line is connected to the motor stator. The second side cover covers the second through hole and is arranged on the second side mounting surface, and the second side cover includes a second guide groove, the second guide groove is in communication with the second through hole of the side wall housing, wherein the signal line penetrates the second through hole and is led out along the second guide groove, and one end of the signal line is connected to the encoder.

[0008] In an embodiment, the first side cover includes a first turning portion and a first opening portion, and the first turning portion and the first opening portion are respectively arranged adjacent to both ends of the first guide groove, wherein the second side cover includes a second turning portion and a second opening portion, and the second turning portion and the second opening portion are respectively arranged adjacent to both ends of the second guide groove.

[0009] In an embodiment, the first turning portion of the first side cover and the first through hole of the side wall housing are arranged in communication at a first angle, and the second turning portion of the second side cover and the second through hole of the side wall housing are arranged in communication at a second angle.

[0010] In an embodiment, the first side cover is arranged to extend in a first direction, and a first side cover length is formed between the first turning portion and the first opening portion, wherein the power line has a power line diameter, the power line diameter is measured from a second direction, the first direction is perpendicular to the second direction, and the first side cover length is greater than or equal to the power line diameter, wherein the second side cover is arranged to extend in the first direction, and a second side cover length is formed between the second turning portion and the second opening portion, wherein the signal line has a signal line diameter, the signal line diameter is measured from the second direction, and the second side cover length is greater than or equal to the signal line diameter.

[0011] In one embodiment, the power line includes a first outer covering layer, the first side mounting surface of the sidewall housing and the first guide groove of the first side cover abut a portion of the first outer covering layer, respectively, and the signal line includes a second outer covering layer, the second side mounting surface of the sidewall housing and the second guide groove of the second side cover abut a portion of the second outer covering layer, respectively.

[0012] In one embodiment, the sidewall housing includes at least one first locking hole and at least one second locking hole, and the at least one first locking hole and the at least one second locking hole are disposed adjacent to the first through hole and the second through hole, respectively.

[0013] In one embodiment, the first side cover includes at least one first side cover locking hole, and the at least one first side cover locking hole is assembled with the at least one first locking hole of the sidewall housing, and the second side cover includes at least one second side cover locking hole, and the at least one second side cover locking hole is assembled with the at least one second locking hole of the sidewall housing.

[0014] In one embodiment, the sidewall housing includes a first annular groove and a second annular groove, and the first annular groove and the second annular groove are disposed at one end of the first through hole and one end of the second through hole, respectively, and one end of the first through hole and one end of the second through hole are disposed adjacent to the first side mounting surface and the second side mounting surface, respectively.

[0015] In one embodiment, the housing includes an adapter cover, the sidewall housing includes an adapter cover mounting structure, the adapter cover mounting structure is connected to the sidewall housing, and the adapter cover is assembled with the adapter cover mounting structure and disposed at the second end of the housing.

[0016] In one embodiment, the housing includes an encoder protection cover, and the encoder protection cover is fixedly disposed in the accommodation space.

[0017] In one embodiment, the first end includes a third through hole, and the third through hole is in communication with the first through hole, and one end of the power line is disposed through the third through hole.

[0018] In one embodiment, the first end of the housing includes a ground wire locking hole, and the power line includes a ground wire, and the ground wire is assembled with the ground wire locking hole.

[0019] To achieve the aforementioned purpose, the present application provides a motor assembly, which comprises a rear end cover assembly and a motor body. The rear end cover assembly comprises a shell, a first side cover, a second side cover, a power line and a signal line. The shell has a first end, a second end and a side wall shell. The first end and the second end are arranged at opposite ends of the side wall shell, and the side wall shell connects the first end and the second end and forms a containing space. The side wall shell comprises a first through hole, a second through hole, a first side mounting surface and a second side mounting surface. The first through hole penetrates the first side mounting surface and is assembled and configured to lead out the power line, and the second through hole penetrates the second side mounting surface and is assembled and configured to lead out the signal line. The first side cover covers the first through hole and is arranged on the first side mounting surface, and the first side cover comprises a first guide groove, which is in communication with the first through hole of the side wall shell, and the power line penetrates the first through hole and leads out along the first guide groove. The second side cover covers the second through hole and is arranged on the second side mounting surface, and the second side cover comprises a second guide groove, which is in communication with the second through hole of the side wall shell, and the signal line penetrates the second through hole and leads out along the second guide groove. The motor body is connected with the rear end cover assembly. The motor body comprises a motor stator, a rotor and an encoder, the motor stator is assembled and configured with the first end of the shell of the rear end cover assembly, and one end of the power line of the rear end cover assembly is connected with the motor stator. The rotor is arranged inside the motor stator. The encoder is arranged in the containing space, and one end of the signal line is connected with the encoder. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 Structure diagram of the rear end cover assembly of the present application applied to a motor stator.

[0021] Figure 2 Structure exploded view of the rear end cover assembly of the present application applied to a motor stator.

[0022] Figure 3A Structure exploded view of the rear end cover assembly of the present application.

[0023] Figure 3B Structure exploded view of the rear end cover assembly of the present application from another perspective.

[0024] Figure 4 Structure diagram of the P1 area of the rear end cover assembly of the present application. Figure 3B Structure diagram of the P1 area of the rear end cover assembly of the present application.

[0025] Figure 5 Radial structure section view of the rear end cover assembly of the present application.

[0026] Figure 6A Structure diagram of the first side cover of the rear end cover assembly of the present application.

[0027] Figure 6B Structure diagram of the second side cover of the rear end cover assembly of the present application.

[0028] REFERENCE SIGNS

[0029] 1: rear end cap assembly,

[0030] 10: housing,

[0031] 11: first end portion,

[0032] 11a: third through hole,

[0033] 11b: ground wire attachment hole,

[0034] 12: second end portion,

[0035] 13: side wall housing,

[0036] 131: first side mounting surface,

[0037] 131a: first through hole,

[0038] 131b: first attachment hole,

[0039] 131c: first ring-shaped groove,

[0040] 132: second side mounting surface,

[0041] 132a: second through hole,

[0042] 132b: second attachment hole,

[0043] 132c: second ring-shaped groove,

[0044] 133: adapter cap mounting structure,

[0045] 14: adapter cap,

[0046] 15: encoder protection cap,

[0047] 20: first side cap,

[0048] 20a: bottom surface,

[0049] 21: first guide groove,

[0050] 22: first turn portion,

[0051] 23: first opening portion,

[0052] 24: first side cap attachment hole,

[0053] 30: second side cap,

[0054] 30a: bottom surface,

[0055] 31: second guide groove,

[0056] 32: second turn portion,

[0057] 33: second opening portion,

[0058] 34: second side cover locking hole,

[0059] 40: power line,

[0060] 40a: reserved section,

[0061] 41: first outer covering layer,

[0062] 42: firewire,

[0063] 43: ground wire,

[0064] 50: signal line,

[0065] 50a: reserved section,

[0066] 50b: connector,

[0067] 51: second outer covering layer,

[0068] 9: motor assembly,

[0069] 91: motor body,

[0070] 911: motor stator,

[0071] 911a: terminal block,

[0072] 912: rotor,

[0073] C: encoder,

[0074] D1: first direction,

[0075] D2: second direction,

[0076] L1: first side cover length,

[0077] L2: second side cover length,

[0078] P1: area,

[0079] T1: power line diameter,

[0080] T2: signal line diameter,

[0081] V: accommodation space,

[0082] θ1: first angle,

[0083] θ2: second angle. DETAILED DESCRIPTION

[0084] Some exemplary embodiments embodying features and advantages of the present application are described in detail below. It should be appreciated that the present application can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Like reference numerals indicate like elements in the drawings. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. For example, when a first feature is described as being "on" or "over" a second feature, it can be directly on the second feature or an intervening feature can also be present. In addition, spatially relative terms, such as "beneath", "below", "lower", "above", "upper", "proximal", "distal", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the drawings. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the drawings. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. It should also be understood that, unless specifically set forth herein, the drawings are not to scale. Like numbers refer to like elements throughout.

[0085] See Figure 1 , Figure 2 , Figure 3A , Figure 3B , Figure 4 , Figure 5 , Figure 6A and Figure 6BA rear end cover assembly 1 is used to assemble a motor stator 911, the rear end cover assembly 1 comprises a housing 10, a first side cover 20, a second side cover 30, a power cord 40 and a signal cord 50. The housing 10 has a first end portion 11, a second end portion 12 and a sidewall housing 13, the first end portion 11 and the second end portion 12 are disposed at opposite ends of the sidewall housing 13, the sidewall housing 13 connects the first end portion 11 and the second end portion 12 and forms a receiving space V, the first end portion 11 is assembled to the motor stator 911, an encoder C is disposed in the receiving space V. The sidewall housing 13 comprises a first side mounting surface 131, a second side mounting surface 132, a first through hole 131a and a second through hole 132a. The first through hole 131a penetrates the first side mounting surface 131 and is assembled to be configured to lead out the power cord 40, the second through hole 132a penetrates the second side mounting surface 132 and is assembled to be configured to lead out the signal cord 50. The first side cover 20 is used to cover the first through hole 131a and fasten the first side mounting surface 131, the first side cover 20 comprises a first guide groove 21, the first guide groove 21 is in communication with the first through hole 131a of the sidewall housing 13, the power cord 40 penetrates the first through hole 131a and is led out along the first guide groove 21, one end of the power cord 40 is connected to a motor stator 911. The second side cover 30 is used to cover the second through hole 132a and fasten the second side mounting surface 132, the second side cover 30 comprises a second guide groove 31, the second guide groove 31 is in communication with the second through hole 132a of the sidewall housing 13, wherein the signal cord 50 penetrates the second through hole 132a and is led out along the second guide groove 31, one end of the signal cord 50 is connected to an encoder C.

[0086] Please refer to Figure 5 and Figure 6A and Figure 6B . The first side cover 20 comprises a first turning portion 22 and a first opening portion 23, and the first turning portion 22 and the first opening portion 23 are respectively adjacent to both ends of the first guide groove 21, wherein the second side cover 30 comprises a second turning portion 32 and a second opening portion 33, and the second turning portion 32 and the second opening portion 33 are respectively adjacent to both ends of the second guide groove 31.

[0087] The first side cover 20 is connected to the first through hole 131a of the sidewall shell 13 at a first angle θ1, and the second side cover 30 is connected to the second through hole 132a of the sidewall shell 13 at a second angle θ2. In the embodiment, the first angle θ1 and the second angle θ2 are preferably ninety degrees, but are not limited thereto. After the power cord 40 passes through the first through hole 131a, the reserved section 40a of the power cord 40 is exposed outside the first through hole 131a, and the first side cover 20 has a bottom surface 20a. When the first side cover 20 is covered along the second direction D2 to the first side mounting surface 131, the bottom surface 20a of the first side cover 20 is attached to the first side mounting surface 131. The power cord 40 is bent by the covering force, so that the reserved section 40a of the power cord 40 is partially covered between the first guide groove 21 and the first side mounting surface 131, and the reserved section 40a of the power cord 40 extends along the first guide groove 21 of the first side cover 20. The design of the first turning portion 22 effectively improves the tensile strength of the power cord 40 in the first direction D1. In the embodiment, after the signal cord 50 passes through the second through hole 132a, the reserved section 50a of the signal cord 50 is exposed outside the second through hole 132a, and the second side cover 30 has a bottom surface 30a. When the second side cover 30 is covered along the second direction D2 to the second side mounting surface 132, the bottom surface 30a of the second side cover 30 is attached to the second side mounting surface 132. The signal cord 50 is bent by the covering force, so that the reserved section 50a of the signal cord 50 is partially covered between the second guide groove 31 and the second side mounting surface 132, and the reserved section 50a of the signal cord 50 extends along the second guide groove 31 of the second side cover 30. The design of the second turning portion 32 effectively improves the tensile strength of the signal cord 50 in the first direction D1. In the embodiment, the first side cover 20 and the second side cover 30 are preferably symmetrically arranged, but are not limited thereto.

[0088] Please refer to Figure 5 and Figure 6A and Figure 6BThe first side cover 20 is arranged along the first direction D1 and has a first side cover length L1 defined between the first turning portion 22 and the first opening portion 23. The power cord 40 has a power cord diameter T1 measured along the second direction D2, which is perpendicular to the first direction D1. In this embodiment, the first side cover length L1 is greater than or equal to the power cord diameter T1. In this embodiment, the second side cover 30 is arranged along the first direction D1 and has a second side cover length L2 defined between the second turning portion 32 and the second opening portion 33. The signal cord 50 has a signal cord diameter T2 measured along the second direction D2. In this embodiment, the second side cover length L2 is greater than or equal to the signal cord diameter T2. In this embodiment, when the power cord 40 is bent and deformed by pressure, a spring-back stress is generated. The spring-back stress is resisted by the design that the first side cover length L1 is greater than or equal to the power cord diameter T1. The power cord 40 is securely arranged between the side wall housing 13 and the first side cover 20, and the stress on the first side cover 20 is evenly distributed. When the signal cord 50 is bent and deformed by pressure, a spring-back stress is generated. The spring-back stress is resisted by the design that the second side cover length L2 is greater than or equal to the signal cord diameter T2. The signal cord 50 is securely arranged between the side wall housing 13 and the second side cover 30, and the stress on the second side cover 30 is evenly distributed. The first side mounting surface 131 and the second side mounting surface 132 are respectively matched with the first guide groove 21 and the second guide groove 31, and a passage is formed along the second direction D2 to allow only the power cord diameter T1 of the power cord 40 and the signal cord diameter T2 of the signal cord 50 to be arranged, so that the volume of the motor assembly 9 is reduced. In this embodiment, the power cord 40 and the signal cord 50 are preferably round wires, but are not limited thereto. In other embodiments, flat wires can also achieve the same effect. The thickness of the rear end cover assembly 1 in the second direction D2 can be further reduced.

[0089] Please refer to Figure 5 The power cord 40 includes a first outer covering layer 41, and the first mounting surface 131 and the first guide groove 21 abut against part of the first outer covering layer 41. The signal cord 50 includes a second outer covering layer 51, and the second mounting surface 132 and the second guide groove 31 abut against part of the second outer covering layer 51. In this embodiment, the outer covering layer 41 of the power cord 40 and the outer covering layer 51 of the signal cord 50 are made of a flexible insulating material. When the power cord 40 and the signal cord 50 are covered by the first side cover 20 and the second side cover 30 respectively, the first outer covering layer 41 and the second outer covering layer 51 are compressed, so that the power cord 40 and the signal cord 50 are respectively located in the first guide groove 21 and the second guide groove 31 and are more tightly fixed, thereby improving the tensile strength of the power cord 40 and the signal cord 50.

[0090] Please refer to Figure 3A ,Figure 3B 、 Figure 4 、 Figure 5 、 Figure 6A and Figure 6B . The sidewall housing 13 comprises at least one first locking hole 131b and at least one second locking hole 132b, and the at least one first locking hole 131b and the at least one second locking hole 132b are respectively adjacent to the first through hole 131a and the second through hole 132a. The first side cover 20 comprises at least one first side cover locking hole 24, and the at least one first side cover locking hole 24 is assembled and arranged in correspondence with the at least one first locking hole 131b of the sidewall housing 13. The second side cover 30 comprises at least one second side cover locking hole 34, and the at least one second side cover locking hole 34 is assembled and arranged in correspondence with the at least one second locking hole 132b of the sidewall housing 13. In the embodiment, the first side cover 20 has two first side cover locking holes 24, corresponding to the two first locking holes 131b of the first side mounting surface 131. The second side cover 30 has two second side cover locking holes 34, corresponding to the two second locking holes 132b of the second side mounting surface 132. It should be emphasized that the number of the above-mentioned locking holes is not limited to this, and can be changed according to the actual application requirements. Through the above-mentioned structure design, the power line 40 and the signal line 50 can be more stably arranged in the first guide groove 21 and the second guide groove 31, thereby improving the tensile strength and achieving the effect of detachable assembly.

[0091] Please refer to Figure 5 、 Figure 6A and Figure 6B . The sidewall housing 13 comprises a first ring-shaped groove 131c and a second ring-shaped groove 132c, and the first ring-shaped groove 131c and the second ring-shaped groove 132c are respectively arranged at one end of the first through hole 131a and the second through hole 132a, and the one end is respectively adjacent to the first side mounting surface 131 and the second side mounting surface 132. In the embodiment, the first ring-shaped groove 131c and the second ring-shaped groove 132c can be filled with glue to fill the gap, thereby making the power line 40 and the signal line 50 more firmly arranged in the first guide groove 21 and the second guide groove 31, thereby improving the tensile strength and improving the air tightness.

[0092] Please refer to Figure 3A 、 Figure 3B and Figure 5In this embodiment, the housing 10 includes an adapter cover 14, wherein the sidewall housing 13 includes an adapter cover mounting structure 133 connected with the sidewall housing 13. The adapter cover 14 is assembled with the adapter cover mounting structure 133, and the adapter cover 14 is disposed at the second end 12 of the housing 10. In an embodiment, the housing 10 includes an encoder protection cover 15 fixedly disposed in the accommodation space V for protecting the encoder C. The first end 11 of the housing 10 includes a third through hole 11a in communication with the first through hole 131a, so that one end of the power cord 40 is disposed through the third through hole 11a. The first end 11 of the housing 10 includes a ground wire locking hole 11b, and the power cord 40 includes a ground wire 43, wherein the ground wire 43 is assembled with the ground wire locking hole 11b.

[0093] In particular, the mutual assembly of the housing 10, the first side cover 20, the second side cover 30, the power cord 40, and the signal cord 50 of the rear end cover assembly 1 can be subjected to relevant reliability tests, such as tension tests of the power cord 40 and the signal cord 50, or air tightness tests by sealing the first end 11 and the second end 12 of the housing 10 using a jig. Due to the design of the rear end cover assembly 1 of the present application, the motor assembly 9 does not need to be tested after being completed, which not only improves the repair efficiency, but also reduces the cost consumption caused by subsequent material investment. In addition, the power cord 40 and the signal cord 50 can be subjected to tension tests when the rear end cover assembly 1 of the present application is assembled, which not only improves the cost efficiency, but also allows the selection of wire styles according to application requirements, thereby improving the product competitiveness.

[0094] In this embodiment, the motor stator 911 includes a stator terminal plate 911a connected with the power cord 40. The power cord 40 has, for example but not limited to, three live wires 42 and a ground wire 43, wherein the three live wires 42 are U-phase, V-phase, and W-phase, respectively, and the three live wires 42 are connected with corresponding nodes of the U-phase, the V-phase, and the W-phase of the terminal plate 911a to supply power. In an embodiment, one end of the signal cord 50 has a connector 50b electrically connected with the encoder C in the accommodation space V, so that signals can be transmitted.

[0095] In this embodiment, the motor assembly 9 of the present application includes the rear end cover assembly 1 and a motor body 91. The structures and functions of the components of the rear end cover assembly 1 are as described above, and the same component numbers represent the same components and functions, which are not described again here. The motor body 91 is located at the first end 11 of the rear end cover assembly 1. In an embodiment, the motor body 91 includes a motor stator 911 combined with the rear end cover assembly 1 and a rotor 912 disposed inside the motor stator 911.

[0096] In summary, the present application provides a rear end cover assembly suitable for a motor stator, which comprises a housing, a first side cover and a second side cover, a power supply wire and a signal wire. Through the design of the outer contour of the housing, the first side cover and the second side cover and the detachable mutual assembly configuration, the product repair efficiency is improved. In addition, through the design of the outer contour of the first side cover and the second side cover, the power supply wire and the signal wire passing through the rear end cover assembly can be bent and fastened, thereby improving the tensile strength of the power supply wire and the signal wire. Moreover, when the housing, the first side cover, the second side cover, the power supply wire and the signal wire are assembled into the rear end cover assembly, the air tightness test can be performed, without waiting for the motor assembly to be completed before the related test is performed. In this way, not only the repair efficiency is improved, but also the cost consumption caused by subsequent material investment is reduced. Furthermore, through the design of the outer contour of the first side cover and the second side cover, only the wire diameter of the power supply wire and the signal wire is allowed to pass, not only the volume of the motor assembly is reduced, but also the application level of the motor is more diversified.

[0097] The present application can be modified by those skilled in the art without departing from the scope of the application as defined in the appended claims.

Claims

1. A rear end cover assembly for assembly with a motor body, wherein, The back cover component includes: A housing has a first end, a second end, and a side wall housing. The first end and the second end are disposed at opposite ends of the side wall housing. The side wall housing connects the first end and the second end and forms an accommodating space. The first end is assembled to a motor stator of a motor body, and an encoder is disposed in the accommodating space. The side wall housing includes a first through hole, a second through hole, a first side mounting surface, and a second side mounting surface. The first through hole penetrates the first side mounting surface and is assembled to allow a power line to be led out. The second through hole penetrates the second side mounting surface and is assembled to allow a signal line to be led out. A first side cover covers the first through hole and is disposed on the first side mounting surface, wherein the first side cover includes a first guide groove, the first guide groove communicates with the first through hole of the side wall housing, wherein the power line passes through the first through hole and is led out along the first guide groove, and one end of the power line is connected to the motor stator. as well as A second side cover covers the second through hole and is disposed on the second side mounting surface, wherein the second side cover includes a second guide groove, the second guide groove communicates with the second through hole of the side wall housing, wherein the signal line passes through the second through hole and is led out along the second guide groove, and one end of the signal line is connected to the encoder.

2. The rear cover assembly according to claim 1, wherein, The first side cover includes a first bend and a first opening, and the first bend and the first opening are respectively adjacent to the two ends of the first guide groove. The second side cover includes a second bend and a second opening, and the second bend and the second opening are respectively adjacent to the two ends of the second guide groove.

3. The rear cover assembly according to claim 2, wherein, The first bend of the first side cover is connected to the first through hole of the side wall housing at a first angle, and the second bend of the second side cover is connected to the second through hole of the side wall housing at a second angle.

4. The rear cover assembly according to claim 2, wherein, The first side cover extends along a first direction, and a first side cover length is formed between the first bend and the first opening. The power cord has a power cord diameter, which is measured by a second direction perpendicular to the first direction. The length of the first side cover is greater than or equal to the power cord diameter. The second side cover extends along the first direction, and a second side cover length is formed between the second bend and the second opening. The signal line has a signal line diameter, which is measured by the second direction. The length of the second side cover is greater than or equal to the signal line diameter.

5. The rear cover assembly according to claim 1, wherein, The power cable includes a first outer covering layer, wherein the first side mounting surface of the sidewall housing and the first guide groove of the first side cover respectively abut the portion of the first outer covering layer, and the signal cable includes a second outer covering layer, wherein the second side mounting surface of the sidewall housing and the second guide groove of the second side cover respectively abut the portion of the second outer covering layer.

6. The rear cover assembly according to claim 1, wherein, The sidewall housing includes at least one first locking hole and at least one second locking hole, and the at least one first locking hole and the at least one second locking hole are respectively adjacent to the first through hole and the second through hole.

7. The rear cover assembly according to claim 6, wherein, The first side cover includes at least one first side cover locking hole, and the at least one first side cover locking hole is assembled with the at least one first locking hole of the side wall housing. The second side cover includes at least one second side cover locking hole, and the at least one second side cover locking hole is assembled with the at least one second locking hole of the side wall housing.

8. The rear cover assembly according to claim 1, wherein, The sidewall housing includes a first annular groove and a second annular groove, and the first annular groove and the second annular groove are respectively disposed at one end of the first through hole and one end of the second through hole, and one end of the first through hole and one end of the second through hole are respectively adjacent to the first side mounting surface and the second side mounting surface.

9. The rear cover assembly according to claim 1, wherein, The housing includes an adapter cover, and the sidewall housing includes an adapter cover mounting structure connected to the sidewall housing. The adapter cover and the adapter cover mounting structure are assembled and configured, and the adapter cover is disposed at the second end of the housing.

10. The rear cover assembly according to claim 1, wherein, The housing includes an encoder protection cover, which is fixed within the accommodating space.

11. The rear cover assembly according to claim 1, wherein, The first end includes a third through hole, which communicates with the first through hole, so that one end of the power cord passes through the third through hole.

12. The rear cover assembly according to claim 11, wherein, The first end of the housing includes a grounding wire locking hole, and the power line includes a grounding wire, wherein the grounding wire is assembled with the grounding wire locking hole.

13. A motor assembly, wherein, Include: A backend cover component, including: A housing has a first end, a second end, and a side wall housing. The first end and the second end are disposed at opposite ends of the side wall housing. The side wall housing connects the first end and the second end and forms an accommodating space. The side wall housing includes a first through hole, a second through hole, a first side mounting surface, and a second side mounting surface. The first through hole penetrates the first side mounting surface and is configured to allow a power line to be led out. The second through hole penetrates the second side mounting surface and is configured to allow a signal line to be led out. A first side cover covers the first through hole and is disposed on the first side mounting surface. The first side cover includes a first guide groove, which communicates with the first through hole of the side wall housing. The power line passes through the first through hole and is led out along the first guide groove. as well as A second side cover, covering the second through hole and disposed on the second side mounting surface, the second side cover including a second guide groove communicating with the second through hole of the sidewall housing, wherein the signal line passes through the second through hole and is led out along the second guide groove; and A motor body, assembled with the rear end cover assembly, and comprising: A motor stator is assembled and configured with the first end of the housing of the rear end cover assembly, wherein one end of the power cable of the rear end cover assembly is connected to the motor stator; and A rotor, disposed inside the motor stator; and An encoder is disposed in the accommodating space, wherein one end of the signal line is connected to the encoder.

Images