CN211557087U - Integrated injection molding type cooling motor - Google Patents
Integrated injection molding type cooling motor Download PDFInfo
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- CN211557087U CN211557087U CN202020660073.4U CN202020660073U CN211557087U CN 211557087 U CN211557087 U CN 211557087U CN 202020660073 U CN202020660073 U CN 202020660073U CN 211557087 U CN211557087 U CN 211557087U
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Abstract
The utility model discloses an integrated injection molding type cooling motor, which comprises a stator component, a rotor component and a cooling pipe, wherein the stator component is an injection molding stator, the integrated injection molding type cooling motor also comprises an injection molding shell and a coiling stator, and one part of the cooling pipe and the coiling stator are injected in the injection molding shell; the cooling pipe is formed by bending a complete guide pipe and is connected with a power pump of an external cooling system. The utility model can send the heat generated by the motor to the outside of the motor for distribution, thereby directly reducing the temperature of the copper wire winding, the stator core and the rotor core of the winding stator, and the cooling effect is more direct and remarkable; the cooling tube adopts the integral type structure, need not the butt joint operation, directly fixes the cooling tube in inside behind the casing of moulding plastics that the shaping is good, need not to adopt extra fixed establishment to fix, and production efficiency is high, sealed effectual, the structure is compacter reliable, is difficult to the pine and takes off, has apparent waterproof, dustproof effect, does not fear the influence of outside adverse circumstances.
Description
Technical Field
The utility model relates to a motor product technical field especially relates to an adopt motor of inside cooling mode.
Background
The motor is widely applied to various industries as a power element. When the motor is used, the performance, the use effect and the service life of the motor are greatly influenced by the power loss caused by heating. The cooling mode of traditional motor generally adopts external cooling, and external cooling is better to motor housing cooling effect, but is poor to the cooling effect of the inside copper wire winding of motor etc. nevertheless, is difficult to realize the true cooling to the motor. Therefore, the motor structure adopting internal cooling has the advantages that the basic principle is that a plurality of cooling pipes pass through the stator coils of the motor, and heat generated by the coils is taken away through the circulating flow of cooling water in the cooling pipes. However, the following problems mainly exist in the current motors: firstly, in order to cool different parts, the cooling pipes are in a split structure, and the split cooling pipes are connected together through a mechanical structure, so that the risk of disconnection, leakage and the like is high, and once cooling leaks in the motor, the problems of electric leakage, damage and the like can be caused; secondly, each part of the motor adopts a split mounting structure, and the waterproof performance is poor, so that the cooling pipe can only adopt an internal circulation mode, the cooling effect is poor, and especially when the motor works for a long time, the whole motor is in a high-temperature environment, and the cooling water of the cooling pipe is difficult to realize effective heat dissipation; thirdly, due to the structural design problem, the cooling pipe and the stator coil cannot be contacted, and the gap between the stator coils is originally small, so that great difficulty is brought to the assembly of the cooling pipe, and the production efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to the defect that prior art exists, provide one kind and realize that simple structure, cooling effect are better, the security is higher, the assembly is more convenient, the better integration formula cooling motor of moulding plastics of sealing waterproof performance.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an integration injection molding formula cooling motor, including stator module, rotor subassembly and cooling tube, stator module is including the spiral stator, and the cooling tube setting is inside the motor and near spiral stator, its characterized in that: the stator assembly is an injection molding stator and further comprises an injection molding shell, the injection molding shell is formed by injection molding of a plastic material with good heat conductivity, and a part of the cooling pipe and the winding stator are injected into the injection molding shell; the cooling pipe is formed by bending a complete guide pipe, a cooling liquid input pipe and a cooling liquid output pipe are respectively formed at two ends of the cooling pipe and used as joints to extend out of the injection molding shell, and the cooling liquid input pipe and the cooling liquid output pipe are both injected into the injection molding shell to form a sealing structure; the cooling liquid input pipe is connected with a power pump of an external cooling system, and the cooling liquid output pipe is connected with a cooling liquid return pipeline to form a cooling heat dissipation structure for circulating cooling liquid to the outside of the motor.
Further, the cooling tube is bent into a structure matched with the stator magnetic pole of the winding stator, the cooling tube is bent to form a plurality of upright sections and connecting sections, each upright section is surrounded to form a circumference, the front ends and the tail ends of the adjacent upright sections are alternately connected through the connecting sections, the connecting sections at the front ends and the tail ends are respectively surrounded to form a circle, the whole cooling tube is made to form a cylindrical cage-shaped structure, the reinforcing cage is similar to a hole pile, the structure is very favorable for assembling a motor, the whole body is arranged in a forming die, and an injection molding shell is formed, so that the injection molding process is more convenient, the position can be kept more accurate, and the implementation of the injection molding process is facilitated.
Preferably, the upright section from which the coolant inlet pipe leads out is a first upright section, and the upright section from which the coolant outlet pipe leads out is a last upright section; the first upright section is connected with the front end of the second upright section through a connecting section, and the tail ends of the first upright section and the second upright section are spaced; the tail ends of the second vertical section and the third vertical section are connected through a connecting section, and the front end of the second vertical section and the front end of the third vertical section are separated; the front ends of the third vertical section and the fourth vertical section are connected through the connecting section, and the tail ends of the third direct section and the fourth vertical section are open, so that repeated alternation can ensure that each stator magnetic pole is provided with one section of cooling pipe only by one cooling pipe; and the head end of the first upright section leads out a cooling liquid input pipe outwards, and the tail end of the last upright section leads out a cooling liquid output pipe outwards.
Furthermore, the tail ends of the upright sections of the cooling pipe and the connecting sections connected between the tail ends are injected into the injection molding shell to form a cooling structure for the injection molding shell, so that the heat of the injection molding shell is taken away in time, and the structure which directly wraps the cooling pipe through injection molding can achieve a better cooling effect than a conventional approach mode; and the front end of each upright section and connect the linkage segment between the front end and walk around from the front end of stator magnetic pole, each upright section then passes in the magnetic pole clearance between the stator magnetic pole, the cooling tube is close to or pastes the stator magnetic pole, need not leave the clearance between stator magnetic pole and the cooling tube, so make the cooling tube need not additionally fix inside the spiral stator, thereby can greatly facilitate the assembly, be favorable to the implementation of the process of moulding plastics, and the production efficiency is improved, the production cost is reduced, in addition, also can not take place to cause the fixed establishment of cooling tube to become flexible or drop and lead to the cooling tube to touch the magnetic pole because of the vibrations of motor work, cause the phenomenon of motor trouble.
Furthermore, an annular fixed base plate is arranged in a clamping groove at the rear end of the winding stator, and the tail end of each upright section of the cooling pipe penetrates through the fixed base plate, so that the connecting section connected between the tail ends is located behind the fixed base plate, and the fixed base plate and the tail end of the upright section are injected into the injection molding shell together, so that a better assembling and fixing effect can be achieved.
Furthermore, a motor lead of the motor is welded on the inner side surface of the fixed substrate and led out outwards, the led-out position is close to the cooling liquid input pipe and the cooling liquid output pipe, and the motor lead, the cooling liquid input pipe and the cooling liquid output pipe are together injected into the injection molding shell and then led out of the motor. Can prevent like this from the position of drawing forth of motor lead wire to intake, further play better sealed effect, and put motor lead wire and coolant liquid input tube and coolant liquid output tube and draw together, can make the structure compacter clean and tidy.
Furthermore, a front end cover and a rear end cover are respectively fixed at the front end and the rear end of the injection molding shell, and sealing rings are arranged between the front end cover and the rear end cover and between the injection molding shell and the injection molding shell to respectively form sealing structures at the front end and the rear end of the motor; the two sealing rings are respectively arranged in the sealing grooves at the front end and the rear end of the injection molding shell.
Further, an oil seal is arranged between the front end cover and the rotor assembly, the oil seal is assembled in a bearing chamber of the front end cover, and the sealing and water-proof effects on the position of the motor output shaft are achieved through the oil seal.
Furthermore, the front end cover, the rear end cover and the injection molding shell are connected and fixed through the plurality of screw rods and tightly press the sealing rings, and the front end cover, the rear end cover and the injection molding shell do not move relatively, so that good sealing on the outside can be realized only through the sealing rings.
The utility model discloses a cooling tube is with outside coolant liquid circulation leading-in motor stator module's inside magnetic pole, and the heat that motor work produced is all taken outside the motor and is given off, consequently can directly reduce the temperature of copper line winding, stator core and the rotor core of spiral stator, and the cooling effect is more direct, showing to can improve the availability factor and the life-span of motor; the cooling tube adopts the integral type structure, need not the butt joint operation for the motor adopts injection moulding to become possible, directly fixes the cooling tube assembly in inside promptly after the casing of moulding plastics that the shaping is good, need not to adopt extra fixed establishment to fix the cooling tube, and production efficiency is high, sealed effectual, the structure is compacter reliable, is difficult to the pine and takes off, has apparent waterproof, dustproof effect, is not afraid of outside adverse circumstances's influence.
Drawings
FIG. 1 is a view of the overall appearance of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a view showing the appearance of the present invention with the end cap and rotor assembly removed;
FIG. 4 is a view showing the structure of the injection-molded case removed from FIG. 3;
FIG. 5 is another perspective view of the components shown in FIG. 4;
fig. 6 is a structural view of a cooling pipe.
In the figure, 1 is a screw, 2 is a front end cover, 3 is an injection molding shell, 4 is a rear end cover, 5 is an oil seal, 6 is a rotor assembly, 7 is a sealing ring, 8 is a cooling liquid input pipe, 9 is a motor lead, 10 is a cooling liquid output pipe, 11 is a sealing groove, 12 is a winding stator, 13 is a fixed substrate, 14 is a cooling pipe, 15 is a stator magnetic pole, 16 is a magnetic pole gap, 17 is an upright section, and 18 is a connecting section.
Detailed Description
The invention will be further explained by means of specific embodiments with reference to the accompanying drawings:
in this embodiment, referring to fig. 1 to 6, the integrated injection molding type cooling motor includes a stator assembly, a rotor assembly 6, and a cooling pipe 14, where the stator assembly includes a winding stator 12, and the cooling pipe 14 is disposed inside the motor and close to the winding stator 12; the stator assembly is an injection molding stator and further comprises an injection molding shell 3, the injection molding shell 3 is formed by injection molding of a plastic material (such as PPS) with good heat conduction performance, and a part of the cooling pipe 14 and the winding stator 12 are injected into the injection molding shell 3; the cooling pipe 14 is formed by bending a complete guide pipe, a cooling liquid input pipe 8 and a cooling liquid output pipe 10 are respectively formed at two ends of the cooling pipe and are used as joints to extend out of the injection molding shell, the cooling liquid input pipe 8 and the cooling liquid output pipe 10 are both injected into the injection molding shell 3 to form a sealing structure, and the cooling liquid input pipe 8 and the cooling liquid output pipe 10 extend out of the injection molding shell 3 after being injected; the cooling liquid input pipe 8 is connected with a power pump of an external cooling system, and the cooling liquid output pipe 10 is connected with a cooling liquid return pipeline to form a cooling heat dissipation structure for circulating cooling liquid to the outside of the motor, so that a better heat dissipation effect is realized.
The cooling tube 14 bends into the structure that matches with the stator magnetic pole 15 of the coiling stator 12, the cooling tube 14 bends and then forms a plurality of upright sections 17 and connecting sections 18, each upright section 17 vertically encloses into a circumference, and connect through connecting sections 18 between the front end of adjacent upright section 17 and between the tail end in turn, the connecting sections 18 that are located the front end and the tail end enclose into a circle respectively, make whole cooling tube 14 form cylindrical cage-shaped structure, the steel reinforcement cage of similar hole stake, this kind of structure is favorable to the assembly of motor very much, whole place in the forming die the inside shaping good injection moulding casing 3 can, make the process of moulding plastics more convenient, the position can keep more accurate, be favorable to the implementation of the process of moulding plastics.
The upright section 17 from which the coolant inlet pipe 8 leads out is the first upright section, and the upright section 17 from which the coolant outlet pipe 10 leads out is the last upright section; the front ends of the first upright section and the second upright section are connected through a connecting section 18, and the tail ends of the first upright section and the second upright section are spaced; the tail ends of the second upright section and the third upright section are connected through a connecting section 18, and the front end of the second upright section is separated from the front end of the third upright section; the front ends of the third vertical section and the fourth vertical section are connected through the connecting section 18, and the tail ends of the third direct section and the fourth vertical section are open, so that repeated alternation can ensure that only one cooling pipe is needed to achieve that each stator pole 16 is provided with one section of cooling pipe; and the head end of the first vertical section leads out a cooling liquid input pipe 8 outwards, and the tail end of the last vertical section leads out a cooling liquid output pipe 10 outwards.
The tail ends of the upright sections 17 of the cooling pipe 14 and the connecting sections 18 connected between the tail ends are injected into the injection molding shell 3 to form a cooling structure for the injection molding shell 3, so that the heat of the injection molding shell 3 is taken away in time, and the structure which directly wraps the cooling pipe 14 through injection can achieve a better cooling effect than a conventional approach mode; the front ends of the upright sections 17 and the connecting sections 18 connected between the front ends bypass the front ends of the stator magnetic poles 15, the upright sections 17 pass through magnetic pole gaps 16 between the stator magnetic poles 15, the cooling pipe 14 is close to or attached to the stator magnetic poles 15, and gaps do not need to be reserved between the stator magnetic poles 15 and the cooling pipe 14, so that the cooling pipe 14 does not need to be additionally fixed inside the winding stator 12, and the winding stator 12 can be greatly and conveniently assembled, is beneficial to implementation of an injection molding process, improves the production efficiency, reduces the production cost, and avoids the phenomenon that the motor fails because the cooling pipe touches the magnetic poles due to loosening or falling of a fixing mechanism of the cooling pipe caused by vibration of the work of the motor.
An annular fixed base plate 13 is arranged in a clamping groove at the rear end of the winding stator 12, the tail end of each upright section 17 of the cooling pipe 14 penetrates through the fixed base plate 13, so that a connecting section 18 connected between the tail ends is positioned behind the fixed base plate 13, and the fixed base plate 13 and the tail end of the upright section 17 are injected into the injection molding shell 3 together, so that a better assembling and fixing effect can be achieved.
The motor lead 9 of the motor is welded on the inner side surface of the fixed substrate 13 and led out outwards, the led-out position is close to the cooling liquid input pipe 8 and the cooling liquid output pipe 10, and the motor lead 9, the cooling liquid input pipe 8 and the cooling liquid output pipe 10 are together injected into the injection molding shell 3 and then led out of the motor. Therefore, water can be prevented from entering from the leading-out position of the motor lead 9, a better sealing effect is further achieved, the motor lead 9, the cooling liquid input pipe 8 and the cooling liquid output pipe 10 are placed together to be led out, and the structure can be more compact and tidy.
A front end cover 2 and a rear end cover 4 are respectively fixed at the front end and the rear end of the injection molding shell 3, and sealing rings 7 are respectively arranged between the front end cover and the rear end cover and between the injection molding shell 3 and the front end cover and the rear end cover to respectively form sealing structures at the front end and the rear end of the motor; the two sealing rings 7 are respectively arranged in the sealing grooves 11 at the front end and the rear end of the injection molding shell 3.
An oil seal 5 is arranged between the front end cover 2 and the rotor assembly 6, the oil seal 5 is assembled in a bearing chamber of the front end cover 2, and the sealing and water-proof effects on the position of the output shaft of the motor are achieved through the oil seal 5.
The front end cover 2, the rear end cover 4 and the injection molding shell 3 are fixedly connected through the plurality of screw rods 1 and tightly press the sealing ring 7, and because the front end cover 2, the rear end cover 4 and the injection molding shell 3 do not move relatively, good sealing on the outside can be realized only through the sealing ring 7.
Firstly, an injection molding stator, a fixed substrate 13 and a cooling pipe 14 are assembled through injection molding, a cooling liquid input pipe 8, a motor lead 9 and a cooling liquid output pipe 10 are led out, then a rotor assembly 6 is installed inside the injection molding stator (namely, an inner cavity of an injection molding shell 3), then a sealing ring 7, an oil seal 5, a front end cover 2 and a rear end cover 4 are sequentially installed, and finally, a screw rod 1 is used for screwing and fixing.
The above detailed description of the present invention is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereto, i.e. all equivalent changes and modifications made in accordance with the scope of the present invention should be covered by the present invention.
Claims (9)
1. The utility model provides an integration injection molding formula cooling motor, including stator module, rotor subassembly and cooling tube, stator module is including the spiral stator, and the cooling tube setting is inside the motor and near spiral stator, its characterized in that: the stator assembly is an injection molding stator and further comprises an injection molding shell, the injection molding shell is formed by injection molding of a plastic material with good heat conductivity, and a part of the cooling pipe and the winding stator are injected into the injection molding shell; the cooling pipe is formed by bending a complete guide pipe, a cooling liquid input pipe and a cooling liquid output pipe are respectively formed at two ends of the cooling pipe and used as joints to extend out of the injection molding shell, and the cooling liquid input pipe and the cooling liquid output pipe are both injected into the injection molding shell to form a sealing structure; the cooling liquid input pipe is connected with a power pump of an external cooling system, and the cooling liquid output pipe is connected with a cooling liquid return pipeline to form a cooling heat dissipation structure for circulating cooling liquid to the outside of the motor.
2. The integrated injection molded cooled electric machine of claim 1, wherein: the cooling pipe is bent into a structure matched with the stator magnetic poles of the winding stator, the cooling pipe is bent to form a plurality of vertical sections and connecting sections, each vertical section surrounds a circumference, the front ends and the tail ends of the adjacent vertical sections are alternately connected through the connecting sections, and the connecting sections at the front ends and the tail ends respectively surround a circle, so that the whole cooling pipe forms a cylindrical cage-shaped structure.
3. The integrated injection molded cooled electric machine of claim 2, wherein: the upright section from which the cooling liquid input pipe is led out is a first upright section, and the upright section from which the cooling liquid output pipe is led out is a last upright section; the first upright section is connected with the front end of the second upright section through a connecting section, and the tail ends of the first upright section and the second upright section are spaced; the tail ends of the second vertical section and the third vertical section are connected through a connecting section, and the front end of the second vertical section and the front end of the third vertical section are separated; the front ends of the third vertical section and the fourth vertical section are connected through the connecting section, the tail ends of the third direct section and the fourth vertical section are opened, the alternation is repeated, the head end of the first vertical section leads out a cooling liquid input pipe outwards, and the tail end of the last vertical section leads out a cooling liquid output pipe outwards.
4. The integrated injection molded cooled electric machine of claim 3, wherein: the tail ends of the upright sections of the cooling pipe and the connecting sections connected between the tail ends are injected into the injection molding shell to form a cooling structure for the injection molding shell; the front ends of the vertical sections and the connecting sections connected between the front ends bypass the front ends of the stator magnetic poles, the vertical sections penetrate through the magnetic pole gaps between the stator magnetic poles, and the cooling pipes are close to or attached to the stator magnetic poles.
5. The integrated injection molded cooled electric machine of claim 4, wherein: an annular fixed base plate is arranged in a clamping groove at the rear end of the winding stator, the tail end of each upright section of the cooling pipe penetrates through the fixed base plate, so that a connecting section connected between the tail ends is positioned behind the fixed base plate, and the fixed base plate and the tail end of the upright section are injected into the injection molding shell together.
6. The integrated injection molded cooled electric machine of claim 5, wherein: and the motor lead of the motor is welded on the inner side surface of the fixed substrate and led out outwards, the led-out position is close to the cooling liquid input pipe and the cooling liquid output pipe, and the motor lead, the cooling liquid input pipe and the cooling liquid output pipe are together injected into the injection molding shell and then led out of the motor.
7. The integrated injection molded cooled electric machine of claim 1, wherein: a front end cover and a rear end cover are respectively fixed at the front end and the rear end of the injection molding shell, and sealing rings are respectively arranged between the front end cover and the rear end cover and between the front end cover and the injection molding shell to respectively form sealing structures at the front end and the rear end of the motor; the two sealing rings are respectively arranged in the sealing grooves at the front end and the rear end of the injection molding shell.
8. The integrated injection molding cooling motor of claim 7, wherein: an oil seal is provided between the front end housing and the rotor assembly, and the oil seal is fitted in a bearing chamber of the front end housing.
9. The integrated injection molding cooling motor of claim 7, wherein: the front end cover and the rear end cover are connected and fixed with the injection molding shell through a plurality of screw rods and tightly press the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020660073.4U CN211557087U (en) | 2020-04-26 | 2020-04-26 | Integrated injection molding type cooling motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020660073.4U CN211557087U (en) | 2020-04-26 | 2020-04-26 | Integrated injection molding type cooling motor |
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| CN211557087U true CN211557087U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020660073.4U Active CN211557087U (en) | 2020-04-26 | 2020-04-26 | Integrated injection molding type cooling motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384821A (en) * | 2020-04-26 | 2020-07-07 | 广州佑田精密电机有限公司 | Integrated injection molding type cooling motor |
| KR102612152B1 (en) * | 2023-08-24 | 2023-12-08 | 전홍섭 | Internal circulation device of magnetizing yoke for electric vehicle |
-
2020
- 2020-04-26 CN CN202020660073.4U patent/CN211557087U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384821A (en) * | 2020-04-26 | 2020-07-07 | 广州佑田精密电机有限公司 | Integrated injection molding type cooling motor |
| KR102612152B1 (en) * | 2023-08-24 | 2023-12-08 | 전홍섭 | Internal circulation device of magnetizing yoke for electric vehicle |
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