CN215186224U - Three-phase line outlet structure of motor - Google Patents
Three-phase line outlet structure of motor Download PDFInfo
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- CN215186224U CN215186224U CN202121367319.XU CN202121367319U CN215186224U CN 215186224 U CN215186224 U CN 215186224U CN 202121367319 U CN202121367319 U CN 202121367319U CN 215186224 U CN215186224 U CN 215186224U
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Abstract
The utility model provides a three-phase line outgoing structure of motor, the terminal box includes first plate body, the second plate body, the third plate body, the fourth plate body, bottom plate and apron, first plate body, the second plate body, third plate body and fourth plate body all set up in bottom plate side end face, first plate body, the second plate body, the third plate body encloses into an inner space with fourth plate body end to end, first plate body or third plate body are towards car chassis or the cover that changes soon, the wire hole has been seted up on the second plate body or the fourth plate body, the wire hole is linked together with the inner space, the apron lid is fitted on first plate body, the second plate body, the third plate body and the fourth plate body and seals the inner space, high-pressure three-phase line inserts the inner space through the wire hole; the lateral transverse wire outlet structure of the junction box is adopted, so that the high-voltage three-phase wires and the winding three-phase wires are arranged vertically, the size of the junction box is not required to be increased, the motor miniaturization is facilitated, and meanwhile, the wire outlet structure cannot be blocked by an automobile chassis and a rotary transformer cover.
Description
Technical Field
The utility model relates to a motor outlet structure technical field especially relates to a three-phase line outlet structure of motor.
Background
At present, a motor for a new energy automobile generally realizes connection of a high-voltage three-phase line and a motor winding three-phase line through a junction box. If the wiring box of the motor is taken as a reference and the wiring box is arranged right above the motor, the high-voltage three-phase line outgoing mode mainly comprises up-down outgoing or front-back outgoing, namely the outgoing direction is parallel to the motor shaft.
However, when going out the line upwards or going out from beginning to end, because the terminal box top is vehicle chassis, it is narrow and small to dismantle the space, and the field of vision is not good, brings certain difficulty for dismouting three-phase line, need dismantle the back again dismouting three-phase line with whole motor even, is unfavorable for production assembly and later maintenance debugging.
When downward outgoing lines are adopted, the motor rotary transformer cover is arranged below the junction box, the middle part of the rotary transformer cover is provided with a front convex step, the downward outgoing lines can be blocked by the rotary transformer cover, and the length of the junction box needs to be increased to ensure that the rotary transformer cover can be avoided when the high-voltage three-phase line is led in. This results in a larger size of the terminal box, which increases the overall length of the motor, and is not conducive to miniaturization of the motor.
Therefore, how to design the wire outlet mechanism of the motor, the high-voltage three-phase wire can not be blocked by the chassis and the rotary transformer cover when being led out, and the problem to be solved by technical staff is urgently needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a three-phase line outgoing structure of motor that can not receive chassis and change the lid soon and block when high-pressure three-phase line is qualified for the next round of competitions.
The technical scheme of the utility model is realized like this: the utility model provides a three-phase line outgoing structure of motor, including setting up in the terminal box that covers and insert the high-pressure three-phase line in the terminal box of changing soon of motor, the terminal box includes the first plate body, the second plate body, the third plate body, the fourth plate body, bottom plate and apron, the bottom plate is connected in changing soon and covers, the first plate body, the second plate body, third plate body and fourth plate body all set up in bottom plate side end face, the first plate body, the second plate body, the third plate body encloses into an inner space with fourth plate body end to end, first plate body or third plate body orientation vehicle chassis or change the lid soon, the wire hole has been seted up on second plate body or the fourth plate body, the wire hole is linked together with the inner space, the apron lid fits first plate body, the second plate body, on third plate body and the fourth plate body and seal the inner space, high-pressure three-phase line inserts the inner space through the wire hole.
On the basis of the technical scheme, preferably, the extending direction of the high-voltage three-phase line is perpendicular to the motor shaft.
On the basis of the technical scheme, preferably, the three-phase winding wire further comprises three winding wires, wherein the three winding wires are inserted into the junction box, one ends of the three winding wires extend into the internal space, the end parts of the three winding wires are electrically connected with the inserted ends of the three high-voltage wires, and the three winding wires are perpendicular to the three high-voltage wires in the extending direction.
On the basis of the technical scheme, preferably, the second plate body is provided with a first half hole, and the first half hole extends towards the cover plate and penetrates through the side surface of the second plate body; the apron includes mainboard and curb plate, and the mainboard is connected with the fourth plate body hinge towards one side of fourth plate body, and the curb plate is connected towards one side of second plate body to the mainboard, and curb plate and second plate body butt set up half hole of second on the curb plate, and half hole of second extends and runs through the curb plate side towards the bottom plate, and half hole of second and first half hole communicate.
Still further preferably, the width of the second plate body is not greater than the distance between the main plate and the bottom plate.
On the basis of the technical scheme, the wire-connecting terminal is preferred and further comprises a limiting component, the limiting component is arranged on one side, away from the inner space, of the second plate body or the fourth plate body, the limiting component is arranged at the position of the wire outlet hole, the high-voltage three-phase wire penetrates through the limiting component, and the limiting component is used for limiting the part, located in the junction box, of the high-voltage three-phase wire to move relative to the junction box.
Still further preferably, the limiting assembly comprises a base, a barrel, a cap body, a ring body and a pin rod; the base is arranged on one side, far away from the inner space, of the second plate body or the fourth plate body, a through hole is formed in the base, and the through hole is communicated with the wire outlet hole; the cylinder is arranged on the base and communicated with the through hole; the cap body can be selectively abutted against one end of the barrel body far away from the junction box and is fixed on the barrel body; the ring body is arranged in the cap body and can rotate relative to the cap body, the high-voltage three-phase line penetrates through the ring body, the inner wall of the ring body is provided with a damping part, and the damping part is tightly attached to the outer surface of the high-voltage three-phase line and limits the high-voltage three-phase line to move relative to the junction box; one end of the pin rod is fixedly connected to one side, facing the barrel, of the ring body, and the other end of the pin rod is inserted into the barrel in a sliding mode along the extending direction of the high-voltage three-phase line.
Further preferably, the outer peripheral wall of the cylinder body is in threaded connection with the inner peripheral wall of the cap body.
The utility model discloses a three-phase line outlet structure of motor has following beneficial effect for prior art:
(1) the utility model discloses a from the horizontal outlet structure in side of terminal box, make high-pressure three-phase line and winding three-phase line set up perpendicularly each other, not only need not to increase the volume of terminal box, help the motor miniaturization, outlet structure can not receive automobile chassis and the blocking that becomes the lid soon simultaneously yet, is convenient for maintain the three-phase line in the terminal box, has improved work efficiency.
(2) The cover plate is hinged with the plate body on one side of the junction box, two half holes are formed in the side plate of the cover plate and the plate body on one side of the corresponding junction box respectively to penetrate through the high-voltage three-phase line, the three-phase line can be more conveniently detached and maintained after the cover plate is opened, and meanwhile, the three-phase line cannot be prevented from being fixed in the junction box.
(3) Set up spacing subassembly and move for the terminal box with the part that the restriction high-voltage three-phase line is located the terminal box to carry out position locking to the high-voltage three-phase line, avoid the high-voltage three-phase line to be able to twitch at will and damage for the terminal box.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a conventional wire outlet structure of a motor according to the present invention, wherein fig. a is a rear wire outlet structure, fig. B is a front wire outlet structure, fig. C is an upper wire outlet structure, and fig. D is a lower wire outlet structure;
fig. 2 is a perspective view of the outlet structure of the present invention;
fig. 3 is a side view of the outlet structure of the present invention;
fig. 4 is a front view of the junction box of the present invention;
fig. 5 is a perspective view of another embodiment of a junction box of the present invention;
fig. 6 is a perspective view of the internal structure of another embodiment of the junction box of the present invention;
fig. 7 is a cross-sectional view of a stop assembly of the present invention;
fig. 8 is an enlarged view of the position S in fig. 7 according to the present invention.
In the figure: 1. a junction box; 101. an interior space; 102. a wire outlet hole; 103. a first half-bore; 104. a second half-hole; 11. a first plate body; 12. a second plate body; 13. a third plate body; 14. a fourth plate body; 15. a base plate; 16. a cover plate; 161. a main board; 162. a side plate; 2. a rotary variable cover; 3. a high voltage three-phase line; 4. a winding three-phase line; 5. a limiting component; 51. a base; 511. a through hole; 52. a barrel; 53. a cap body; 54. a ring body; 541. a damping member; 55. a pin rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1, combine fig. 2 and fig. 3, the utility model discloses a three-phase line outlet structure of motor, including setting up terminal box 1 on the rotatory change lid 2 of motor and inserting the high-pressure three-phase line 3 in the terminal box 1, still include winding three-phase line 4 and spacing subassembly 5.
The junction box 1 includes a first board 11, a second board 12, a third board 13, a fourth board 14, a bottom board 15, and a cover board 16.
The base plate 15 is connected to the rotary transformer cover 2 so as to mount the terminal box 1 on the motor, and the winding three-phase wires 4 are led out of the motor and inserted into the terminal box 1.
The cover plate 16 covers the first plate 11, the second plate 12, the third plate 13, and the fourth plate 14 to close the internal space 101. The cover plate 16 is generally attached to a frame formed by the first plate 11, the second plate 12, the third plate 13, and the fourth plate 14 by bolts.
As shown in fig. 1, with reference to fig. 2 and 4, the winding three-phase line 4 is inserted into the junction box 1, and one end of the winding three-phase line 4 extends into the internal space 101, and the end of the winding three-phase line 4 is electrically connected to the inserted end of the high-voltage three-phase line 3.
It should be noted that the included angle between the high-voltage three-phase line 3 and the winding three-phase line 4 is preferably 90 degrees, that is, the two lines are arranged perpendicularly, however, the included angle between the two lines may also be an acute angle or an obtuse angle, so that the end portion of the high-voltage three-phase line 3 extending outwards extends towards the chassis of the automobile or may extend closely to the edge of the screwing cover 2, and therefore, the second plate body 12 or the fourth plate body 14 may be arranged obliquely, or the junction box 1 may also be polygonal or circular in shape.
In order to more conveniently maintain the outlet structure in the inner space 101, the present invention provides another embodiment.
As shown in fig. 1, with reference to fig. 5 and 6, the second plate 12 is provided with a first half-hole 103, and the first half-hole 103 extends toward the cover plate 16 and penetrates through a side surface of the second plate 12; the cover plate 16 includes a main plate 161 and a side plate 162, the main plate 161 is hinged to the fourth plate 14 toward one side of the fourth plate 14, the main plate 161 is connected to the side plate 162 toward one side of the second plate 12, the side plate 162 is abutted to the second plate 12, a second half hole 104 is formed in the side plate 162, the second half hole 104 extends toward the bottom plate 15 and penetrates through the side surface of the side plate 162, and the second half hole 104 is communicated with the first half hole 103.
By adopting the technical scheme, after the cover plate 16 is opened, the first half hole 103 penetrates through the side surface of the second plate body 12, so that a technician can take out the high-voltage three-phase line 3 for maintenance more conveniently; when the cover plate 16 is closed, the high-voltage three-phase line 3 penetrates through the wire outlet hole 102 surrounded by the first half hole 103 and the second half hole 104, and therefore the position locking of the high-voltage three-phase line 3 is not hindered.
Further, in order to enable the cover plate 16 to abut against the enclosed frame, the width of the second plate 12 is not greater than the distance between the main plate 161 and the bottom plate 15.
The utility model discloses a carry out the position locking to high-pressure three-phase line 3, designed the third kind of embodiment.
As shown in fig. 1, with reference to fig. 7, the limiting component 5 is disposed on one side of the second plate 12 or the fourth plate 14 away from the inner space 101, and the limiting component 5 is disposed at a position of the wire outlet 102, the high-voltage three-phase wire 3 penetrates through the limiting component 5, and the limiting component 5 is used for limiting the portion of the high-voltage three-phase wire 3 located in the terminal box 1 to move relative to the terminal box 1, so as to avoid the problem that the high-voltage three-phase wire 3 is damaged due to random inserting and moving relative to the terminal box 1.
Specifically, the third embodiment of the present invention is realized by the following means.
As shown in fig. 1, in conjunction with fig. 8, the limiting assembly 5 includes a base 51, a cylinder 52, a cap 53, a ring 54, and a pin 55.
The base 51 is disposed on a side of the second plate 12 or the fourth plate 14 away from the inner space 101, and a through hole 511 is formed in the base 51, and the through hole 511 is communicated with the outlet hole 102.
The cylinder 52 is disposed on the susceptor 51 and communicates with the through hole 511.
The cap 53 can selectively abut against an end of the barrel 52 away from the terminal box 1 and is fixed on the barrel 52. Wherein, the outer peripheral wall of the cylinder 52 is in threaded connection with the inner peripheral wall of the cap body 53.
The ring body 54 is arranged in the cap body 53 and can rotate relative to the cap body 53, the high-voltage three-phase line 3 penetrates through the ring body 54, the damping member 541 is arranged on the inner wall of the ring body 54, the damping member 541 is tightly attached to the outer surface of the high-voltage three-phase line 3, and the damping member 541 limits the high-voltage three-phase line 3 to move relative to the junction box 1. The damping member 541 may be a rubber sleeve.
One end of the pin 55 is fixedly connected to one side of the ring 54 facing the cylinder 52, and the other end of the pin 55 is inserted into the cylinder 52 in a sliding manner along the extending direction of the high-voltage three-phase line 3.
When the technical scheme is adopted, the cap body 53 is in threaded connection with the outer end of the barrel body 52, and the ring body 54 can rotate relative to the cap body 53, so that the ring body 54 cannot be driven to rotate and the high-voltage three-phase line 3 penetrating into the ring body 54 cannot be twisted when the cap body 53 is screwed; meanwhile, the ring body 54 finally abuts against the outer end of the cylinder body 52 under the guidance of the pin rod 55, and then the high-voltage three-phase line 3 is pulled outwards, so that the part of the high-voltage three-phase line 3 inserted into the internal space 101 is straightened; under the damping action of the damping member 541, the high-voltage three-phase line 3 is difficult to be drawn outwards or inserted into the junction box 1, so that the purpose of locking the position of the high-voltage three-phase line 3 is achieved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a three-phase line outlet structure of motor, is including setting up terminal box (1) on the rotatory change lid (2) of motor and inserting high-pressure three-phase line (3) in terminal box (1), its characterized in that: junction box (1) includes first plate body (11), second plate body (12), third plate body (13), fourth plate body (14), bottom plate (15) and apron (16), bottom plate (15) are connected in changeing lid (2) soon, first plate body (11), second plate body (12), third plate body (13) and fourth plate body (14) all set up in bottom plate (15) side end face, first plate body (11), second plate body (12), third plate body (13) and fourth plate body (14) end to end enclose into an inner space (101), first plate body (11) or third plate body (13) are towards vehicle chassis or change lid (2) soon, wire hole (102) have been seted up on second plate body (12) or fourth plate body (14), wire hole (102) are linked together with inner space (101), apron (16) are approximately fitted in first plate body (11), The second plate body (12), the third plate body (13) and the fourth plate body (14) are arranged on the base plate body and used for sealing an internal space (101), and the high-voltage three-phase line (3) is inserted into the internal space (101) through the wire outlet hole (102).
2. The three-phase wire outlet structure of the motor according to claim 1, wherein: the extending direction of the high-voltage three-phase line (3) is vertical to the motor shaft.
3. The three-phase wire outlet structure of the motor according to claim 1, wherein: the three-phase winding wire is characterized by further comprising three phase winding wires (4), wherein the three phase winding wires (4) are inserted into the junction box (1), one end of each three phase winding wire extends into the inner space (101), the end parts of the three phase winding wires (4) are electrically connected with the insertion ends of the three high-voltage wires (3), and the three phase winding wires (4) are perpendicular to the extension directions of the three high-voltage wires (3).
4. The three-phase wire outlet structure of the motor according to claim 1, wherein: the second plate body (12) is provided with a first half hole (103), and the first half hole (103) extends towards the cover plate (16) and penetrates through the side face of the second plate body (12); the cover plate (16) comprises a main plate (161) and a side plate (162), wherein the main plate (161) is hinged to the fourth plate body (14) towards one side of the fourth plate body (14), the main plate (161) is connected with the side plate (162) towards one side of the second plate body (12), the side plate (162) is abutted to the second plate body (12), a second half hole (104) is formed in the side plate (162), the second half hole (104) extends towards the bottom plate (15) and penetrates through the side face of the side plate (162), and the second half hole (104) is communicated with the first half hole (103).
5. The three-phase wire outlet structure of the motor according to claim 4, wherein: the width of the second plate body (12) is not larger than the distance between the main plate (161) and the bottom plate (15).
6. The three-phase wire outlet structure of the motor according to claim 1, wherein: still include spacing subassembly (5), spacing subassembly (5) set up in one side that interior space (101) were kept away from to second plate body (12) or fourth plate body (14), just spacing subassembly (5) set up in the position at wire hole (102) place, wear to put high-pressure three-phase line (3) in spacing subassembly (5), spacing subassembly (5) are used for restricting the part that high-pressure three-phase line (3) are located terminal box (1) and move for terminal box (1).
7. The three-phase wire outlet structure of the motor according to claim 6, wherein: the limiting assembly (5) comprises a base (51), a cylinder body (52), a cap body (53), a ring body (54) and a pin rod (55); the base (51) is arranged on one side, away from the inner space (101), of the second plate body (12) or the fourth plate body (14), a through hole (511) is formed in the base (51), and the through hole (511) is communicated with the wire outlet hole (102); the cylinder (52) is arranged on the base (51) and communicated with the through hole (511); the cap body (53) can be selectively abutted against one end of the barrel body (52) far away from the junction box (1) and is fixed on the barrel body (52); the ring body (54) is arranged in the cap body (53) and can rotate relative to the cap body (53), the high-voltage three-phase line (3) penetrates through the ring body (54), the inner wall of the ring body (54) is provided with a damping part (541), and the damping part (541) is tightly attached to the outer surface of the high-voltage three-phase line (3) and limits the high-voltage three-phase line (3) to move relative to the junction box (1); one end of the pin rod (55) is fixedly connected to one side, facing the cylinder body (52), of the ring body (54), and the other end of the pin rod (55) is inserted into the cylinder body (52) in a sliding mode along the extending direction of the high-voltage three-phase line (3).
8. The three-phase wire outlet structure of the motor according to claim 7, wherein: the outer peripheral wall of the cylinder body (52) is in threaded connection with the inner peripheral wall of the cap body (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121367319.XU CN215186224U (en) | 2021-06-19 | 2021-06-19 | Three-phase line outlet structure of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121367319.XU CN215186224U (en) | 2021-06-19 | 2021-06-19 | Three-phase line outlet structure of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215186224U true CN215186224U (en) | 2021-12-14 |
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ID=79384237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121367319.XU Active CN215186224U (en) | 2021-06-19 | 2021-06-19 | Three-phase line outlet structure of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215186224U (en) |
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2021
- 2021-06-19 CN CN202121367319.XU patent/CN215186224U/en active Active
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