CN114123619B - Asymmetric permanent magnet motor for new energy automobile - Google Patents
Asymmetric permanent magnet motor for new energy automobile Download PDFInfo
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- CN114123619B CN114123619B CN202111385019.9A CN202111385019A CN114123619B CN 114123619 B CN114123619 B CN 114123619B CN 202111385019 A CN202111385019 A CN 202111385019A CN 114123619 B CN114123619 B CN 114123619B
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- 238000007789 sealing Methods 0.000 claims abstract description 201
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 abstract description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 14
- 235000017491 Bambusa tulda Nutrition 0.000 description 14
- 241001330002 Bambuseae Species 0.000 description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 14
- 239000011425 bamboo Substances 0.000 description 14
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Connection Or Junction Boxes (AREA)
Abstract
The asymmetric permanent magnet motor comprises a shell, wherein a junction box is arranged on the shell, and the junction box comprises a connecting tube for placing a copper bar and a sealing box arranged in a lower opening; the wiring barrel is fixedly arranged on the shell and is communicated with the shell; the sealing box is sleeved on the wiring barrel, and the circumferential outer side wall of the wiring barrel is attached to the circumferential inner side wall of the sealing box; a sealing gasket is arranged in the sealing box, an inner cover box is connected in the sealing box in a sliding manner, and a fixing component used for tightly abutting the sealing gasket between the junction box and the sealing box through the inner cover box is arranged on the sealing box; the sealing box is provided with a connecting component which enables the sealing box to be detachably connected with the wiring barrel. This application has the effect that improves the leakproofness of terminal box.
Description
Technical Field
The application relates to the technical field of motors, in particular to an asymmetric permanent magnet motor for a new energy automobile.
Background
The permanent magnet motor provides excitation by a permanent magnet, so that the structure of the motor is simpler; because excitation current is not needed, excitation loss is avoided, and the efficiency and the power density of the motor are improved. The electric energy generated by the motor is connected to the copper bar of the motor junction box through the internal cable, and the external cable is connected with the wiring copper bar of the junction box to obtain the electric energy. In order to improve the safety of the motor, the junction box must be designed to be waterproof and sealed.
In the related art, a motor comprises a stator, a rotor, a shell and a sealing box, wherein the stator is fixedly arranged in the shell, and the rotor is rotatably connected in the shell; the sealing box is arranged on the shell and comprises a box body and a cover plate; the box body is fixedly arranged on the shell, the bottom end of the box body is communicated with the shell, the top end of the box body is arranged in an opening, the cover plate seals the opening of the box body, and the cover plate is connected with the box body through a bolt; a sealing gasket is arranged between the box body and the cover plate, and the bottom end of the bolt sequentially penetrates through the cover plate and the sealing gasket and is in threaded connection with the box body; the electric energy generated by the motor is connected into the box body through an internal cable.
In view of the above-mentioned related technologies, the inventor believes that there is a defect that the edge of the sealing gasket is exposed to the outside and is easily corroded by the surrounding environment, so that the sealing performance of the junction box is not strong.
Disclosure of Invention
In order to improve the leakproofness of terminal box, the application provides an asymmetric permanent magnet motor for new energy automobile.
The application provides an asymmetric permanent magnet motor for new energy automobile adopts following technical scheme:
an asymmetric permanent magnet motor for a new energy automobile comprises a shell, wherein a junction box is arranged on the shell, and the junction box comprises a connecting cylinder for placing a copper bar and a sealing box arranged in a lower opening; the wiring barrel is fixedly arranged on the shell and is communicated with the shell; the sealing box is sleeved on the wiring barrel, and the circumferential outer side wall of the wiring barrel is attached to the circumferential inner side wall of the sealing box; a sealing gasket is arranged in the sealing box, an inner cover box is connected in the sealing box in a sliding manner, and a fixing component used for tightly abutting the sealing gasket between the junction box and the sealing box through the inner cover box is arranged on the sealing box; the sealing box is provided with a connecting component which enables the sealing box to be detachably connected with the wiring barrel.
By adopting the technical scheme, when the sealing box is installed on the wiring barrel, the outer side wall of the wiring barrel slides along the inner side wall of the sealing box, and the sealing box is fixedly connected with the wiring barrel through the connecting component; the fixing assembly is adjusted, the sealing gasket is simultaneously abutted to the wiring barrel, the sealing box and the inner cover box, the end faces, close to each other, of the inner cover box and the wiring barrel are abutted to each other, the sealing gasket is protected in the sealing box, the possibility of damage of the sealing gasket is reduced, and the sealing performance of the wiring box is further improved.
Optionally, the opening of the sealing box is flared; a sealing groove is formed in the circumferential inner side wall of the sealing box; a sealing plate is fixedly arranged on the circumferential outer side wall of the wiring barrel and is positioned in the sealing groove; the sealing box circumference inside wall is seted up the annular and is supported tight groove, supports to be equipped with in the tight groove and is used for supporting tight subassembly with the terminal barrel outer wall.
Through adopting above-mentioned technical scheme, when the one end that the shell was kept away from to the wire barrel inserted in the seal box, the closing plate inserted to the seal groove in, until the closing plate was located the seal groove completely, the closing plate made to support the outer wall of tight subassembly and wire barrel and supported tightly, improved the leakproofness that wire barrel and seal box are connected.
Optionally, the abutting assembly comprises an annular abutting plate and an elastic abutting ring; the abutting plate and the abutting ring are both positioned in the abutting groove, and one end of the sealing plate, which is far away from the wiring barrel, is positioned in the abutting groove; one end of the abutting plate abuts against the sealing plate tightly, the other end of the abutting plate is fixedly connected with one end of the abutting ring, and one end, far away from the abutting plate, of the abutting ring abuts against the wire barrel tightly.
Through adopting above-mentioned technical scheme, when the closing plate inserted to supporting tight inslot through the seal groove, the closing plate promoted to support tight board and slide in the seal groove, supported tight board and promoted to support tight ring and make to support the direction that tight ring is close to the wire barrel and slide, and then made to support tight ring and wire barrel and support tightly, improved the sealed of seal box and wire barrel connection.
Optionally, the sealing gasket is arranged in a box body, and the sealing gasket is sleeved on the outer side wall of the inner cover box; when the sealing box is not sleeved on the wiring barrel, the opening end of the sealing gasket protrudes out of the opening end of the inner cover box.
Through adopting above-mentioned technical scheme, when making the wire barrel insert in the sealing box, when the sealing box drives sealed the pad and removes to being close to the wire barrel, the sealed pad of wire barrel extrusion makes sealed the pad take place deformation, all supports tightly with the terminal surface of wire barrel until the terminal surface of sealed pad and the terminal surface of inner cup box, makes sealed the leakproofness of filling up butt joint wire barrel opening part stronger under the effect of sealed pad self resilience force.
Optionally, the connecting assembly is provided with a plurality of groups; the connecting assembly comprises a clamping block and a connecting spring; the inner side wall of the sealing box is provided with a sliding chute, the outer side wall of the wiring barrel is provided with a clamping groove, and the sliding chute is communicated with the clamping groove; one end of the connecting spring is fixedly connected with the inner side wall of the sliding groove, the other end of the connecting spring is fixedly connected with the clamping block, the clamping block is connected in the sliding groove in a sliding mode, and when the connecting spring is in a natural state, the clamping block is located in the sliding groove and the clamping groove at the same time; the sealing box is provided with an unlocking assembly which is used for enabling the clamping blocks of the plurality of groups of connecting assemblies to simultaneously move into the corresponding sliding grooves.
Through adopting above-mentioned technical scheme, when connecting seal box and a wiring section of thick bamboo through coupling assembling, earlier make the fixture block slide completely to the spout through the unblock subassembly, insert the sealing box with the wiring section of thick bamboo in again, make the sealing box slide to the direction that is close to the shell, until spout and draw-in groove intercommunication, stop the effect of unblock subassembly to the fixture block, the fixture block has reached the effect that sealing box and wiring section of thick bamboo are connected in inserting the draw-in groove under the effect of connecting spring self resilience force.
Optionally, the unlocking assembly includes an unlocking ring and a plurality of pulling ropes; the unlocking ring is sleeved on the sealing box; one end of the pulling rope is fixedly connected with the unlocking ring, and the other end of the pulling rope penetrates through the outer wall of the sealing box and extends into the sliding groove to be fixedly connected with the clamping block; each clamping block is fixedly connected with at least one traction rope.
Through adopting above-mentioned technical scheme, when pulling down the seal box from a wiring section of thick bamboo, make the unblock ring slide along the outer wall of seal box, the unblock ring moves the tractive line and removes, and the tractive line pulling fixture block slides to the spout is inwards slided until the fixture block is located the draw-in groove completely, makes the seal box slide to the direction of keeping away from the shell again, until seal box and wiring section of thick bamboo separation, has improved the efficiency of pulling down the seal box from a wiring section of thick bamboo.
Optionally, the section of the unlocking ring is circular; the sealing box is fixedly provided with an elastic fixing strip which is positioned on one side of the unlocking ring close to the shell; the fixed strip is provided with a fixed groove, two ends of the fixed groove are provided with openings, the inner wall of the fixed groove is provided with an arc shape, and the unlocking ring is positioned in the fixed groove; the diameter of the section of the unlocking ring is larger than the width of the opening of the fixing groove in the length direction.
Through adopting above-mentioned technical scheme, after the seal box was installed to the wire barrel, press the unlocking ring to the direction that is close to the fixed slot again, make the unlocking ring fixed in the fixed slot, connecting spring was in the natural state of changeing this moment, had reduced the possibility that the fixture block removed in the draw-in groove when making seal box and wire barrel be in connected state, and then made seal box and wire barrel be connected more stable.
Optionally, the fixing component comprises an adjusting nut and a threaded rod; the adjusting nut is rotatably connected with one end of the sealing box, which is far away from the opening of the sealing box; one end of the threaded rod penetrates through the sealing box and is fixedly connected with the inner cover box; the threaded rod is simultaneously in threaded connection with the sealing box and the adjusting nut.
By adopting the technical scheme, after the sealing box is installed on the wiring barrel, the adjusting nut is screwed, the threaded rod is enabled to move towards the direction close to the wiring barrel, the threaded rod drives the inner cover box to move towards the direction close to the wiring barrel until the inner cover box is tightly abutted against the wiring barrel, and the sealing performance between the inner cover box and the wiring barrel is improved.
Optionally, an ejection assembly for moving the sealing box in a direction away from the housing is arranged on the outer wall of the housing; the pop-up assembly comprises a pop-up spring and an acting plate; the outer wall of the shell is provided with an accommodating groove, one end of the pop-up spring is fixedly connected with the inner wall of the accommodating groove, the other end of the pop-up spring is fixedly connected with the acting plate, and the acting plate slides in the accommodating groove; when the sealing box is fixedly connected with the wire connecting cylinder, the end face of the sealing box close to the opening of the sealing box is tightly abutted to the acting plate.
Through adopting above-mentioned technical scheme, when pulling down the seal box from a wiring section of thick bamboo, unblock coupling assembling makes the effect board slide to the direction of being close to the seal box under the effect of spring-out spring resilience after being connected of seal box and a wiring section of thick bamboo, and the effect board promotes the seal box and slides to the direction of keeping away from the shell, has improved the efficiency that the seal box pulled down from a wiring section of thick bamboo.
Optionally, the action plate is an arc-shaped plate, and the concave surface of the action plate faces the inner wall of the accommodating groove far away from the opening of the action plate; when the pop-up spring is in a natural state, the side wall of the action plate is attached to the inner wall of the containing groove, and the convex wall of the action plate extends out of the containing groove.
Through adopting above-mentioned technical scheme, the inside wall that acts on board and holding tank will pop out the spring protection in the holding tank, and is more steady when making to pop out the flexible removal of spring.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the sealing gasket is arranged between the sealing box and the inner cover box, and when the sealing box and the wiring barrel are in a fixed connection state, the sealing box, the inner cover box and the wiring barrel protect the sealing gasket in the sealing box, so that the possibility of damaging the sealing gasket by the external environment is reduced, the sealing performance of the connection of the sealing box and the wiring barrel is further enhanced, and the effect of improving the sealing performance of the sealing box is achieved;
2. by arranging the sealing plate and the abutting and pushing assembly, the sealing performance between the sealing box and the wiring barrel is stronger, and the sealing performance of the sealing box is improved;
3. through setting up coupling assembling, unblock subassembly, improved the dismantlement speed of seal box on the wire connection section of thick bamboo.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a partial cross-sectional view showing the clinch assembly;
fig. 3 is a partial sectional view showing the inner cap case when the sealing cap is not mounted to the wire barrel;
fig. 4 is a partial cross-sectional view showing the pop-up assembly with the seal cap not mounted to the wire barrel.
In the figure, 1, a housing; 11. an auxiliary plate; 111. accommodating grooves; 2. a wire connecting cylinder; 21. a card slot; 3. a sealing box; 31. a sealing groove; 311. a sealing plate; 32. abutting against the groove; 33. a chute; 34. a fixing strip; 341. fixing grooves; 35. a gasket; 36. a limiting component; 361. an adaptor ring; 362. a limiting ring; 37. a clamping hole; 4. an inner cover box; 5. a fixing assembly; 51. adjusting the nut; 52. a threaded rod; 6. a connecting assembly; 61. a clamping block; 62. a connecting spring; 7. a propping component; 71. a propping plate; 72. a tightening ring; 8. an unlocking assembly; 81. unlocking the ring; 82. a pulling rope; 9. a pop-up assembly; 91. ejecting a spring; 92. and (4) an acting plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses asymmetric permanent magnet motor for new energy automobile.
Referring to fig. 1 and 2, an asymmetric permanent magnet motor for a new energy automobile comprises a housing 1, a junction box is arranged on the housing 1, the junction box comprises a connecting cylinder 2 and a sealing box 3, the bottom end of the connecting cylinder 2 is communicated with the housing 1, and the connecting cylinder 2 and the housing 1 are integrally formed; the sealing box 3 is arranged in a lower opening manner, the sealing box 3 is sleeved on the wiring barrel 2, and a gap is reserved between the top wall in the sealing box 3 and the end face of the top end of the wiring barrel 2; the sealing box 3 is provided with a connecting component 6 which is used for detachably connecting the sealing box 3 and the wiring barrel 2; one end of the inner side wall of the sealing box 3, which is far away from the opening of the sealing box, is connected with an inner cover box 4 in a sliding way, and the inner cover box 4 is arranged in a lower opening way; be equipped with the sealed pad 35 of rubber material between 3 inner walls of seal box and 4 outer walls of inner cup box, be equipped with on the seal box 3 and be used for making 4 inner cup boxes to support sealed pad 35 tightly at seal box 3 and the fixed subassembly 5 on wire barrel 2 simultaneously.
Referring to fig. 2, when the sealing box 3 and the wire barrel 2 are in a connected state, the end face of the sealing gasket 35 close to the wire barrel 2 abuts against the end face of the wire barrel 2 far from the housing 1, and the end face of the inner cover box 4 close to the wire barrel 2 abuts against the end face of the wire barrel 2 far from the housing 1; the shell 1 is provided with an ejection assembly 9 for pushing the seal box 3 away from the shell 1.
Referring to fig. 3, the sealing gasket 35 has a box shape with a lower opening; the sealing gasket 35 is sleeved on the outer wall of the inner cover box 4; when the sealing case 3 is not mounted to the junction box 2, the distance from the lower surface of the packing 35 to the lower surface of the sealing case 3 is smaller than the distance from the lower surface of the inner lid case 4 to the lower surface of the sealing case 3.
The copper bar connecting the internal and external cables of the motor is arranged in the wiring barrel 2, when the opening at the top end of the wiring barrel 2 is sealed by the sealing box 3, the sealing box 3 is moved to enable the wiring barrel 2 to be inserted into the sealing box 3, and the inner side wall of the sealing box 3 slides along the outer side wall of the wiring barrel 2; the sealed pad 35 of terminal surface extrusion of a wiring section of thick bamboo 2 makes sealed pad 35 take place to warp, make sealed pad 35 be located between 3 inner walls of seal box and 4 outer walls of inner cup box completely, the terminal surface of sealed pad 35 and the terminal surface parallel and level of inner cup box 4 this moment, rethread coupling assembling 6 links firmly seal box 3 on a wiring section of thick bamboo 2, fix inner cup box 4 through fixed subassembly 5, make inner cup box 4, sealed fixed more stable of pad 35, through seal box 3, inner cup box 4, wiring section of thick bamboo 2 will seal the protection of pad 35 in seal box 3, the possibility of external environment to sealed pad 35 damage has been reduced, and then the leakproofness that seal box 3 and wiring section of thick bamboo 2 are connected has been strengthened, the effect of the 3 leakproofness of improvement seal box has been reached.
Referring to fig. 2, the inner side wall of the sealing box 3 is flared from top to bottom, and the circumferential outer side wall of the wire connecting cylinder 2 is attached to the circumferential inner side wall of the sealing box 3; the inner side walls of the seal boxes 3 along the length direction of the seal boxes are provided with seal grooves 31, and the seal grooves 31 are vertically arranged; a sealing plate 311 is fixedly arranged on the outer side wall of the wire connecting cylinder 2 along the length direction, and the sealing plate 311 is positioned in the sealing groove 31; an annular abutting groove 32 is formed in the inner side wall of the sealing box 3, the abutting groove 32 is communicated with the sealing groove 31, and the abutting groove 32 is located on one side, away from the opening of the sealing box 3, of the sealing groove 31; one end of the sealing plate 311 far away from the wire barrel 2 is positioned in the abutting groove 32; the abutting assembly 7 for abutting against the outer wall of the wire connecting cylinder 2 is arranged in the abutting groove 32.
Referring to fig. 2, the abutting assembly 7 includes an abutting plate 71 and an abutting ring 72 made of rubber, the abutting plate 71 and the abutting ring 72 are both annularly disposed, and the abutting plate 71 and the abutting ring 72 are both located in the abutting groove 32; one end of the abutting plate 71 abuts against the sealing plate 311 tightly, the other end of the abutting plate 71 is fixedly connected with one end of the abutting ring 72, and one end of the abutting ring 72, which is far away from the abutting plate 71, abuts against the outer wall of the wire connecting cylinder 2 tightly.
When making 3 inside walls of seal box slide to being close to shell 1 direction along 2 lateral walls of wire barrel, closing plate 311 inserts seal groove 31, seal box 3 continues to move down, and then make closing plate 311 insert through seal groove 31 and support in tight groove 32, closing plate 311 supports tight board 71 and then promotes to support tight ring 72 and slide to the direction of being close to wire barrel 2 through promoting, until coupling assembling 6 links firmly seal box 3 and wire barrel 2, support tight ring 72 and wire barrel 2 lateral wall and support tightly this moment, and then make the leakproofness of terminal box stronger.
Referring to fig. 2 and 3, the connecting assembly 6 is located on one side of the sealing groove 31 close to the opening of the sealing box 3, six groups of the connecting assembly 6 are provided, two groups of the sealing box 3 are respectively provided on two sides in the length direction, and one group of the sealing box 3 is provided on each side in the width direction; the connecting assembly 6 comprises a clamping block 61 and a connecting spring 62, the inner side wall of the sealing box 3 is provided with a sliding groove 33, and the outer side wall of the connecting cylinder 2 is provided with a clamping groove 21; when the sealing box 3 and the wiring barrel 2 are fixedly connected, the sliding groove 33 is communicated with the clamping groove 21; one end of the connecting spring 62 is fixedly connected with the inner wall of the sliding groove 33 far away from the opening of the connecting spring, the other end of the connecting spring 62 is fixedly connected with the fixture block 61, and one end of the fixture block 61 far away from the connecting spring 62 extends out of the sliding groove 33 and is inserted into the clamping groove 21; the end surface of one end of the block 61 inserted into the slot 21 is inclined towards the opening of the sealing box 3. The seal box 3 is provided with an unlocking assembly 8 for simultaneously sliding each clamping block 61 into the corresponding sliding groove 33.
Referring to fig. 2 and 3, the unlocking assembly 8 includes an unlocking ring 81 and six pulling ropes 82, the section of the unlocking ring 81 is circular; the unlocking ring 81 is sleeved on the outer side wall of the sealing box 3; one end of a pulling rope 82 is fixedly connected with the unlocking ring 81, the other end of the pulling rope 82 penetrates through the outer side wall of the sealing box 3 and extends into the sliding groove 33 to be fixedly connected with the clamping blocks 61, and each clamping block 61 is fixedly connected with one pulling rope 82; two fixing strips 34 for detachably connecting the unlocking ring 81 are arranged on the sealing box 3, and the fixing strips 34 are made of rubber; the two fixing strips 34 are respectively positioned at two sides of the sealing box 3 along the length direction; the upper surface of the fixing strip 34 is provided with a fixing groove 341, two ends of the fixing groove 341 are provided with openings, and the inner wall of the fixing groove 341 is arc-shaped; the diameter of the section of the unlocking ring 81 is larger than the width of the opening of the fixing groove 341 in the length direction; when the sealing box 3 and the wire connecting cylinder 2 are fixedly connected, the unlocking ring 81 is positioned in the fixing groove 341.
Referring to fig. 2 and 4, the pop-up assemblies 9 are provided in two groups, respectively disposed at both sides along the length direction of the wire connecting cylinder 2; the ejecting assembly 9 comprises an ejecting spring 91 and an acting plate 92; an auxiliary plate 11 is arranged on the shell 1, the auxiliary plate 11 and the shell 1 are integrally formed, and the auxiliary plate 11 is arranged close to the wiring barrel 2; the end surface of the seal box 3 close to the opening of the seal box is attached to the auxiliary plate 11; the end face of the auxiliary plate 11 close to the seal box 3 is provided with a containing groove 111; one end of the pop-up spring 91 is fixedly connected with the bottom wall of the accommodating groove 111, the other end of the pop-up spring 91 is fixedly connected with the lower surface of the acting plate 92, and the acting plate 92 is connected in the accommodating groove 111 in a sliding manner; the action plate 92 is an arc-shaped plate, the lower surface of the action plate 92 is concave, and the upper surface of the action plate 92 is convex; when the sealing box 3 and the wire connecting cylinder 2 are in a sealing state, the upper surface of the acting plate 92 is tightly abutted against the sealing box 3; when the seal box 3 and the wire barrel 2 are separated from each other, the upper surface of the acting plate 92 protrudes into the accommodating groove 111, and the circumferential side wall of the acting plate 92 is always slidably engaged in the accommodating groove 111.
When the sealing box 3 is installed on the wire connecting cylinder 2, the inner side wall of the sealing box 3 slides towards the direction close to the shell 1 along the outer side wall of the wire connecting cylinder 2, the end surface of the wire connecting cylinder 2 extrudes the end surface of one end of the clamping block 61 extending out of the sliding groove 33 and enables the clamping block 61 to slide towards the sliding groove 33 until the clamping block 61 is completely positioned in the sliding groove 33; the sealing box 3 continues to move towards the direction close to the shell 1 until the sliding groove 33 is communicated with the clamping groove 21, the clamping block 61 is inserted into the clamping groove 21 under the action of the self resilience force of the connecting spring 62, the unlocking ring 81 is pressed into the fixing groove 341, the fixed connection between the sealing box 3 and the wiring barrel 2 is completed, and the connection speed between the sealing box 3 and the wiring barrel 2 is improved.
When the sealing box 3 is detached from the wiring barrel 2, the unlocking ring 81 is taken out of the fixing groove 341, the unlocking ring 81 is pulled to slide in the direction away from the shell 1, the unlocking ring 81 drives the pulling rope 82 to move, and the pulling rope 82 pulls the fixture block 61 to slide in the sliding groove 33 until the fixture block 61 is completely positioned in the sliding groove 33; at this time, the acting plate 92 slides in a direction approaching the sealing box 3 by the resilient force of the pop-up spring 91, and the acting plate 92 pushes the sealing box 3 to slide in a direction away from the housing 1, thereby increasing the speed of detaching the sealing box 3 from the wire barrel 2.
Referring to fig. 2, the fixing assembly 5 includes an adjusting nut 51 and a threaded rod 52, the adjusting nut 51 is rotatably connected to the upper surface of the sealing box 3, and the lower surface of the adjusting nut 51 is attached to the upper surface of the sealing box 3; one end of the threaded rod 52 penetrates through the sealing box 3 and the sealing gasket 35 in sequence and is fixedly connected with the inner cover box 4; the threaded rod 52 is simultaneously in threaded connection with the sealing box 3 and the sealing gasket 35; the upper surface of seal box 3 is equipped with and is used for rotating spacing subassembly 36 of connection on seal box 3 with adjusting nut 51, and spacing subassembly 36 is including linking ring 361, spacing ring 362, and adjusting nut 51's lower surface and linking ring 361's upper surface link firmly, and linking ring 361's lower surface and spacing ring 362's upper surface link firmly, and adjusting nut 51, linking ring 361 and the axis collineation of spacing ring 362, and linking ring 361, spacing ring 362 all inlay and establish on seal box 3 and all rotate with seal box 3 and be connected.
Accomplish the back that links firmly of seal box 3 and wire barrel 2, revolve wrong adjusting nut 51, adjusting nut 51 makes threaded rod 52 remove to the direction that is close to wire barrel 2, and threaded rod 52 drives interior lid box 4 and slides to the direction of wire barrel 2, makes interior lid box 4 and wire barrel 2 further support tightly, and then makes the leakproofness between seal box 3 and wire barrel 2 stronger, and then makes the leakproofness of terminal box stronger.
Referring to fig. 1, a waterproof plug is fixedly arranged on the side wall of the junction box 2 along the length direction, and a clamping hole 37 for clamping with the waterproof plug is formed in the sealing box 3, so that the sealing box 3 is convenient to mount.
The implementation principle of the asymmetric permanent magnet motor for the new energy automobile is as follows: when installing sealed box 3 to wire connection cylinder 2 on, make the circumference inside wall of sealed box 3 slide to the direction that is close to shell 1 along the lateral wall of wire connection cylinder 2, when sealed box 3 slides down, the terminal surface extrusion fixture block 61 of wire connection cylinder 2 makes fixture block 61 slide to spout 33 is interior, until spout 33 and draw-in groove 21 intercommunication, fixture block 61 inserts draw-in groove 21 under the effect of connecting spring 62 resilience force, has accomplished the linking firmly of sealed box 3 and wire connection cylinder 2. When the sealing box 3 slides downwards, the sealing plate 311 is inserted into the sealing groove 31 until the sealing plate 311 is inserted into the abutting groove 32 through the sealing groove 31 and further pushes the abutting ring 72 to move by pushing the abutting plate 71 until the abutting ring 72 abuts against the wire connecting cylinder 2. When the sealing box 3 drives the sealing gasket 35 and the inner cap box 4 to slide downwards until the sealing gasket 35 contacts the wiring barrel 2, the end face of the wiring barrel 2 begins to extrude the sealing gasket 35 and deform the sealing gasket 35 until the inner cap box 4 abuts against the wiring barrel 2; the adjusting nut 51 is screwed to further enable the inner cover box 4 and the wiring barrel 2 to be tightly abutted, so that the sealing performance between the sealing box 3 and the wiring barrel 2 is stronger, and the sealing performance of the wiring box is stronger.
The embodiments of the present invention are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an asymmetric permanent-magnet machine for new energy automobile, includes shell (1), its characterized in that: the junction box is arranged on the shell (1) and comprises a junction box barrel (2) for placing copper bars and a sealing box (3) arranged in a lower opening; the wiring barrel (2) is fixedly arranged on the shell (1), and the wiring barrel (2) is communicated with the shell (1); the sealing box (3) is sleeved on the wiring barrel (2), and the circumferential outer side wall of the wiring barrel (2) is attached to the circumferential inner side wall of the sealing box (3); a sealing gasket (35) is arranged in the sealing box (3), the sealing box (3) is connected with an inner cover box (4) in a sliding manner, and a fixing component (5) for tightly abutting the sealing gasket (35) between the wiring barrel (2) and the sealing box (3) through the inner cover box (4) is arranged on the sealing box (3); the sealing box (3) is provided with a connecting component (6) which can detachably connect the sealing box (3) and the wire connecting cylinder (2); the opening of the sealing box (3) is flared; a sealing groove (31) is formed in the circumferential inner side wall of the sealing box (3); a sealing plate (311) is fixedly arranged on the circumferential outer side wall of the wiring barrel (2), and the sealing plate (311) is positioned in the sealing groove (31); an annular abutting groove (32) is formed in the circumferential inner side wall of the sealing box (3), and an abutting assembly (7) for abutting against the outer wall of the wire barrel (2) is arranged in the abutting groove (32); the abutting component (7) comprises an annular abutting plate (71) and an elastic abutting ring (72); the abutting plate (71) and the abutting ring (72) are both positioned in the abutting groove (32), and one end, far away from the wiring barrel (2), of the sealing plate (311) is positioned in the abutting groove (32); one end of the abutting plate (71) abuts against the sealing plate (311), the other end of the abutting plate (71) is fixedly connected with one end of the abutting ring (72), and one end, far away from the abutting plate (71), of the abutting ring (72) abuts against the wire connecting cylinder (2).
2. The asymmetric permanent magnet motor for the new energy automobile according to claim 1, characterized in that: the sealing gasket (35) is arranged in a box body, and the sealing gasket (35) is sleeved on the outer side wall of the inner cover box (4); when the sealing box (3) is not sleeved on the wiring barrel (2), the opening end of the sealing gasket (35) protrudes out of the opening end of the inner cover box (4).
3. The asymmetric permanent magnet motor for the new energy automobile according to claim 1, characterized in that: the connecting component (6) is provided with a plurality of groups; the connecting assembly (6) comprises a clamping block (61) and a connecting spring (62); the inner side wall of the sealing box (3) is provided with a sliding groove (33), the outer side wall of the connecting cylinder (2) is provided with a clamping groove (21), and the sliding groove (33) is communicated with the clamping groove (21); one end of the connecting spring (62) is fixedly connected with the inner side wall of the sliding groove (33), the other end of the connecting spring (62) is fixedly connected with the clamping block (61), the clamping block (61) is connected in the sliding groove (33) in a sliding mode, and when the connecting spring (62) is in a natural state, the clamping block (61) is located in the sliding groove (33) and the clamping groove (21) at the same time; the sealing box (3) is provided with an unlocking component (8) which is used for enabling the clamping blocks (61) of the plurality of groups of connecting components (6) to simultaneously move into the corresponding sliding grooves (33).
4. The asymmetric permanent magnet motor for the new energy automobile according to claim 3, characterized in that: the unlocking assembly (8) comprises an unlocking ring (81) and a plurality of pulling ropes (82); the unlocking ring (81) is sleeved on the sealing box (3); one end of the pulling rope (82) is fixedly connected with the unlocking ring (81), and the other end of the pulling rope (82) penetrates through the outer wall of the sealing box (3) and extends into the sliding groove (33) to be fixedly connected with the clamping block (61); each clamping block (61) is fixedly connected with at least one pulling rope (82).
5. The asymmetric permanent magnet motor for the new energy automobile according to claim 4, characterized in that: the section of the unlocking ring (81) is circular; an elastic fixing strip (34) is fixedly arranged on the sealing box (3), and the fixing strip (34) is positioned on one side of the unlocking ring (81) close to the shell (1); a fixing groove (341) is formed in the fixing strip (34), two ends of the fixing groove (341) are provided with openings, the inner wall of the fixing groove (341) is arranged in an arc shape, and the unlocking ring (81) is positioned in the fixing groove (341); the diameter of the section of the unlocking ring (81) is larger than the width of the opening of the fixing groove (341) along the length direction.
6. The asymmetric permanent magnet motor for the new energy automobile according to claim 1, characterized in that: the fixing component (5) comprises an adjusting nut (51) and a threaded rod (52); the adjusting nut (51) is rotatably connected with one end of the sealing box (3) far away from the opening of the sealing box; one end of the threaded rod (52) penetrates through the sealing box (3) and is fixedly connected with the inner cover box (4); the threaded rod (52) is simultaneously in threaded connection with the sealing box (3) and the adjusting nut (51).
7. The asymmetric permanent magnet motor for the new energy automobile according to claim 1, characterized in that: the outer wall of the shell (1) is provided with an ejection assembly (9) which is used for enabling the sealing box (3) to move in the direction away from the shell (1); the ejection assembly (9) comprises an ejection spring (91) and an acting plate (92); an accommodating groove (111) is formed in the outer wall of the shell (1), one end of the ejecting spring (91) is fixedly connected with the inner wall of the accommodating groove (111), the other end of the ejecting spring (91) is fixedly connected with the acting plate (92), and the acting plate (92) slides in the accommodating groove (111); when the sealing box (3) is fixedly connected with the wire connecting cylinder (2), the end face of the sealing box (3) close to the opening of the sealing box is tightly propped against the acting plate (92).
8. The asymmetric permanent magnet motor for the new energy automobile according to claim 7, characterized in that: the action plate (92) is an arc-shaped plate, and the concave surface of the action plate (92) faces the inner wall of the accommodating groove (111) and is far away from the opening of the action plate; when the pop-up spring (91) is in a natural state, the side wall of the acting plate (92) is attached to the inner wall of the accommodating groove (111), and the convex wall of the acting plate (92) extends out of the accommodating groove (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111385019.9A CN114123619B (en) | 2021-11-22 | 2021-11-22 | Asymmetric permanent magnet motor for new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111385019.9A CN114123619B (en) | 2021-11-22 | 2021-11-22 | Asymmetric permanent magnet motor for new energy automobile |
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| CN114123619A CN114123619A (en) | 2022-03-01 |
| CN114123619B true CN114123619B (en) | 2023-03-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208337312U (en) * | 2017-12-28 | 2019-01-04 | 杭州奇虎节能技术有限公司 | A kind of permanent magnet synchronous motor of dustproof and waterproof |
| CN208707442U (en) * | 2018-08-30 | 2019-04-05 | 上海川也电机有限公司 | Cast iron electric machine terminal box with permanent protective property |
| CN209805547U (en) * | 2019-05-14 | 2019-12-17 | 浙江四福机电有限公司 | Motor casing |
| CN213072036U (en) * | 2020-09-22 | 2021-04-27 | 广东筑兴建设工程有限公司 | Cable connection protector for power engineering |
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Effective date of registration: 20231214 Address after: 635000 Quxian Industrial Park, Dazhou City, Sichuan Province Patentee after: Sichuan Hongheng Motor Co.,Ltd. Address before: 518000 workshop c601, No. 4, Yingzhan Electronic Technology (Shenzhen) Co., Ltd. Park, Longtian community, Longtian street, Pingshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN YAJIA MOTOR Co.,Ltd. |
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