Spliced combined motor shell

Abstract

The utility model discloses a spliced combined motor shell belongs to motor shell technical field, including inner shell, its outside installation has the splicing type shell of joint connection, the splicing type shell is constituted by several split shells, and the adjacent split shell is inserted and is connected each other between, a plurality of baffle is fixedly arranged in the split shell, and it divides the split shell internal space and divides into a plurality of water guide cavities, wherein, the both ends of adjacent split shell are fixedly connected through the splicing mechanism of setting in the outer wall. Its technical key points are: through setting the baffle in the split shell and dividing its interior into a plurality of water guide cavities's mode, makes in every split shell interior formation has the water flow channel of bending, makes the cooling liquid and presents S shape flow in the interior, increases the area of cooling liquid flow coverage, ensures that it can provide good heat dissipation effect, in addition, the splicing mechanism that sets up can be used to fix the connection of adjacent split shell end portion, and then ensures the stability of the junction.

Description

Technical Field

[0001] This utility model relates to the field of motor housing technology, specifically a splicing and assembly type motor housing. Background Technology

[0002] The motor housing is an indispensable and crucial component of an electric motor, providing a robust support and protective structure for its internal components. On one hand, the housing securely houses core components such as the stator and rotor, maintaining the overall structural stability of the motor and ensuring precise coordination between components during operation. On the other hand, it acts as a "protective shield," preventing external dust, moisture, and debris from entering the motor and damaging its precision components. Simultaneously, the motor housing also plays a role in heat dissipation; some housings are designed with cooling fins or channels to accelerate heat dissipation, ensuring stable operation of the motor at suitable temperatures and extending its lifespan.

[0003] Utility model patent CN209948833U discloses a modular motor housing. The housing includes four identical shell blocks. A splicing block is integrally formed on the end wall of each shell block facing adjacent shell blocks. The length of the splicing block is along the length of the shell block. A splicing groove, which matches the splicing block, is provided at the end of each shell block away from the splicing block. The motor housing is assembled by inserting the splicing blocks from the shell blocks into the splicing grooves on adjacent shell blocks, and then welding the gap between adjacent shell blocks using friction welding. This eliminates the need to manufacture a large motor housing; only smaller shell blocks are required, significantly reducing the manufacturing cost of the motor housing.

[0004] While the aforementioned device can reduce manufacturing costs by producing smaller housing blocks through disassembly of the motor housing, its modular structure makes it difficult to form stable and continuous cooling water channels for cooling water circulation, thus hindering the motor housing's heat dissipation. Furthermore, the assembled motor housings require welding to ensure overall stability, but as a fixed unit, damage to a single part cannot be repaired by replacing individual housing blocks, potentially requiring the entire housing to be discarded, leading to material waste. Therefore, to address these issues, a modular motor housing design is proposed. Utility Model Content

[0005] To address the technical problems in comparative technologies, such as the difficulty in forming a stable and continuous cooling water channel for cooling water circulation through splicing of motor housings, resulting in poor heat dissipation, and the inability to complete repairs and maintenance by replacing partial housing blocks due to splicing and welding, which easily leads to material waste, this utility model provides a splicing and modular motor housing.

[0006] The technical solution adopted by the embodiments of this application to solve its technical problem is:

[0007] A modular motor housing includes an inner shell and an outer shell that is snap-fitted together. The outer shell is composed of several separate shells arranged in a circumferential array, with adjacent shells interlocked. Each shell has several partitions fixedly installed inside, dividing the internal space into several water-guiding chambers for the flow of cooling liquid. Both ends of each shell are provided with sealed end plates. The ends of adjacent shells are fixedly connected by a splicing mechanism installed on the outer wall.

[0008] In one possible implementation, a plurality of plug-in blocks are fixedly connected to one end of the split shell, and a plurality of receiving holes corresponding one-to-one with the plug-in blocks are opened at the other end of the split shell, wherein a rubber sealing ring is sleeved on the surface of the plug-in block.

[0009] In one possible implementation, each partition has a water passage at one end, and the water passages of adjacent partitions in the same split shell are far apart from each other.

[0010] In one possible implementation, several adjacent plug blocks on one side are provided with through output holes, and the output holes are far away from the adjacent water passage holes on both sides.

[0011] In one possible implementation, one of the split shells is provided with a sealed water outlet pipe, and the adjacent split shell is provided with a sealed water inlet pipe. The water outlet pipe and the water inlet pipe are both located away from the water passage holes on their respective adjacent partitions.

[0012] In one possible implementation, a sealing plug is provided in the output hole of the plug block on the split shell with the water outlet pipe, which is used to block the cooling water from passing through.

[0013] In one possible implementation, the outer wall of the inner shell is fixedly provided with a plurality of snap-fit ​​strips arranged in a circumferential array, and the inner walls at both ends of the split shell are provided with snap-fit ​​grooves that match the size of the snap-fit ​​strips.

[0014] In one possible implementation, the splicing mechanism includes splicing strips fixedly disposed on the outer walls of both ends of the split shell, and interlocking channel steels snapped onto the splicing strips, with a plurality of threaded locking bolts passing through the interlocking channel steels.

[0015] In summary, this utility model has the following beneficial technical effects:

[0016] By setting baffles in the split shell to divide its interior into several water guiding chambers, a tortuous water flow channel is formed inside each split shell, causing the coolant to flow in an S-shape inside, increasing the area covered by the coolant flow. When adjacent split shells are plugged into each other, the water flow in the previous split shell can flow out through the output hole on the plug block and flow into the corresponding water guiding chamber, thereby realizing the series connection of the water guiding chambers in all split shells. This allows the coolant to circulate completely in the spliced ​​shell formed by the split shells, ensuring that it can provide good heat dissipation.

[0017] Because the two shells are connected by plug-in blocks and receiving holes, they are detachable. In order to ensure the stability of the connection, a splicing mechanism is also provided to fix the ends of adjacent shells. In particular, the inner shell can be engaged with the snap-fit ​​groove on the shell to reinforce the inner side of the connection. In summary, while achieving detachable connection between the shells, the stability of the connection is ensured, so that the spliced ​​shell has good structural stability and is easy to use. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the split shell structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the assembly mechanism of this utility model.

[0023] In the diagram: 1. Inner shell; 11. Connecting strip; 2. Spliced ​​outer shell; 21. Split shell; 22. Partition plate; 221. Water passage hole; 23. Water guide cavity; 24. Insertion block; 241. Output hole; 25. Receiving hole; 26. Connecting groove; 27. Closed end plate; 3. Assembly mechanism; 31. Assembly strip; 32. Interlocking channel steel; 33. Locking bolt; 41. Water outlet pipe; 42. Water inlet pipe. Detailed Implementation

[0024] The technical solution in this application embodiment is to solve the problems mentioned in the background art, and the overall idea is as follows:

[0025] like Figure 1 - Figure 2 As shown, this embodiment provides a modular motor housing, including an inner shell 1, on the outside of which a snap-fit ​​outer shell 2 is installed. The modular outer shell 2 is composed of several split shells 21 arranged in a circumferential array. Adjacent split shells 21 are plugged into each other. Several partitions 22 are fixedly provided in the split shells 21, which divide the internal space of the split shells 21 into several water guiding chambers 23 for the flow of cooling liquid. Both ends of the split shells 21 are provided with sealed end plates 27.

[0026] Based on the above technical solution, several parallel water flow channels can be formed inside each split shell 21, allowing the coolant to flow inside and carry away the heat transferred from the inner shell 1 by water cooling, so that the motor as a whole will not be damaged due to heat accumulation during long-term operation.

[0027] Among them, such as Figure 2 - Figure 3 As shown, one end of the split shell 21 is fixedly connected with several plug-in blocks 24, and the other end of the split shell 21 is provided with several receiving holes 25 corresponding to the plug-in blocks 24. The surface of the plug-in blocks 24 is fitted with a rubber sealing ring. The above structure can realize the plug-in connection between adjacent split shells 21 through the cooperation of the plug-in blocks 24 and the receiving holes 25, providing the necessary structural foundation for splicing several split shells 21 to form a spliced ​​shell 2. At the same time, the rubber sealing ring can ensure the sealing of the connection between the plug-in blocks 24 and the receiving holes 25, and it is not easy for water to leak.

[0028] In order to enable several parallel water flow channels to be interconnected, and for two adjacent water flow channels in adjacent split shells 21 to be connected to each other, such as Figure 3 As shown, each partition 22 has a water passage hole 221 at one end, and several adjacent plug-in blocks 24 on one side have through output holes 241. Based on the above technical solution, all water guiding chambers 23 can be connected together through the water passage hole 221 and the output hole 241, so that the water can circulate in them, thereby completing the cooling work of the entire motor housing.

[0029] Based on the above scheme, in order to ensure that the water flow fills all the water guide chambers 23 during the circulation process, increase the area covered by the coolant flow, and ensure good heat dissipation, the liquid flow needs to proceed in an S-shape during the flow process. Therefore, the following conditions must be met: the water passage holes 221 of adjacent partitions 22 in the same split shell 21 are far apart from each other; at the same time, the outlet hole 241 is far apart from the water passage holes 221 on both sides. Figure 3As shown, based on the above structural scheme, when the coolant flows into one of the water guide chambers 23, it can only flow into the next water guide chamber 23 when it flows to the end away from its current water guide chamber 23. Therefore, all water guide chambers 23 can be filled with coolant, ensuring that the cooling of the entire motor housing can be completed.

[0030] To achieve the connection between the motor housing and the external cooling pump, and to complete the circulation and delivery of the coolant flow, such as... Figure 2 - Figure 3 As shown, one of the split shells 21 is provided with a sealed water outlet pipe 41, and the adjacent split shell 21 is provided with a sealed water inlet pipe 42. The water outlet pipe 41 and the water inlet pipe 42 are both located far away from the water passage holes 221 on their respective adjacent partitions 22. Through the above technical solution, the coolant flow can be delivered and discharged. At the same time, this staggered structure can also ensure that the coolant flow always fills the initial water guide cavity 23 and the final water guide cavity 23 during the flow process.

[0031] Meanwhile, in order to achieve the circulation of coolant flow, a sealing plug is provided in the output hole 241 of the plug block 24 on the split shell 21 with the water outlet pipe 41 to block the coolant from passing through. The above structure can prevent the liquid flow in the final water guide cavity 23 from flowing directly into the initial water guide cavity 23 and being unable to be recycled.

[0032] Based on the above solution, since the split shells 21 are connected by inserting blocks 24 and receiving holes 25, they are detachable. However, this connection method may lead to insufficient stability at the connection point. Therefore, a number of snap-fit ​​strips 11 arranged in a circumferential array are fixedly provided on the outer wall of the inner shell 1, and snap-fit ​​grooves 26 with dimensions matching the snap-fit ​​strips 11 are opened on the inner walls of both ends of the split shell 21. Figure 2 - Figure 3 As shown, the inner side of the connection can be reinforced by engaging the snap-fit ​​strip 11 on the inner shell 1 with the snap-fit ​​groove 26 on the split shell 21.

[0033] In addition, to further enhance the structural stability of the connection, such as Figure 4As shown, the two ends of adjacent split shells 21 are fixedly connected by a splicing mechanism 3 set on the outer wall. The splicing mechanism 3 includes splicing strips 31 fixedly set on the outer walls of both ends of the split shells 21, and interlocking channel steel 32 snapped onto the splicing strips 31. Several threaded locking bolts 33 are passed through the interlocking channel steel 32. After the adjacent split shells 21 are spliced, the interlocking channel steel 32 is snapped on to clamp the spliced ​​splicing strips 31, thereby completing the fixed connection of the split shells 21. At the same time, after tightening the locking bolts 33, a large clamping force can be provided to ensure the clamping effect of the interlocking channel steel 32 on the splicing strips 31, so as to ensure the stability of the connection.

[0034] The working principle and usage process of this utility model:

[0035] The partition 22 is set to divide the interior into several water guiding chambers 23, so that a tortuous water flow channel is formed inside each split shell 21, so that the coolant flows in an S-shape inside, increasing the area covered by the coolant flow.

[0036] When adjacent split shells 21 are plugged into each other, the water in the previous split shell 21 can flow out through the output hole 241 on the plug block 24 and flow into the corresponding water guiding cavity 23, thereby connecting all the water guiding cavities 23 in the split shells 21 in series, so that the coolant can circulate completely in the spliced ​​shell 2 formed by splicing the split shells 21, ensuring that it can provide a good heat dissipation effect.

[0037] Since the split shells 21 are connected by inserting blocks 24 and receiving holes 25, in order to ensure the stability of the connection, after the adjacent split shells 21 are spliced, the interlocking channel steel 32 is clamped to clamp the spliced ​​splicing strip 31, thus completing the fixed connection of the split shells 21 in sequence. At the same time, after tightening the locking bolts 33, a large clamping force can be provided to ensure the clamping effect of the interlocking channel steel 32 on the splicing strip 31, so as to ensure the stability of the connection.

[0038] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A modular motor housing, characterized in that, include: The inner shell (1) is fitted with a snap-fit ​​spliced ​​outer shell (2) on its outside; The spliced ​​shell (2) is composed of several split shells (21) arranged in a circular array. Adjacent split shells (21) are connected to each other by insertion. Several partitions (22) are fixedly installed in the split shells (21), which divide the internal space of the split shells (21) into several water guiding chambers (23) for the flow of cooling liquid. Both ends of the split shells (21) are provided with sealed end plates (27). The two ends of the adjacent split shells (21) are fixedly connected by a splicing mechanism (3) set on the outer wall.

2. The modular motor housing according to claim 1, characterized in that: One end of the split shell (21) is fixedly connected to several plug-in blocks (24), and the other end of the split shell (21) is provided with several receiving holes (25) corresponding to the plug-in blocks (24). The surface of the plug-in blocks (24) is fitted with rubber sealing rings.

3. The modular motor housing according to claim 2, characterized in that: Each partition (22) has a water passage hole (221) at one end, and the water passage holes (221) of adjacent partitions (22) in the same split shell (21) are far apart from each other.

4. The modular motor housing according to claim 3, characterized in that: Several adjacent plug blocks (24) located on one side are provided with through output holes (241), and the output holes (241) are far away from the adjacent water passage holes (221) on both sides.

5. A modular motor housing according to claim 4, characterized in that: One of the split shells (21) is provided with a sealed water outlet pipe (41), and the adjacent split shell (21) is provided with a sealed water inlet pipe (42). The water outlet pipe (41) and the water inlet pipe (42) are located far away from the water passage hole (221) on their respective adjacent partitions (22).

6. The modular motor housing according to claim 5, characterized in that: For the plug block (24) on the split shell (21) with the water outlet pipe (41), a sealing plug is provided in the output hole (241) to block the cooling water from passing through.

7. The modular motor housing according to claim 1, characterized in that: The outer wall of the inner shell (1) is fixedly provided with a plurality of snap-fit ​​strips (11) arranged in a circular array, and the inner walls at both ends of the split shell (21) are provided with snap-fit ​​grooves (26) that match the size of the snap-fit ​​strips (11).

8. A modular motor housing according to claim 1, characterized in that: The splicing mechanism (3) includes splicing strips (31) fixedly installed on the outer walls of both ends of the split shell (21), and interlocking channel steel (32) snapped onto the splicing strips (31), with a number of threaded locking bolts (33) passing through the interlocking channel steel (32).

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