CN112994319A - Motor lead waterproof construction - Google Patents
Motor lead waterproof construction Download PDFInfo
- Publication number
- CN112994319A CN112994319A CN202110218571.2A CN202110218571A CN112994319A CN 112994319 A CN112994319 A CN 112994319A CN 202110218571 A CN202110218571 A CN 202110218571A CN 112994319 A CN112994319 A CN 112994319A
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- motor
- deformation
- lead wire
- groove
- extrusion
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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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- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The application discloses motor lead waterproof construction relates to motor technical field, including motor body, motor body is connected with the lead wire pencil of wearing out from the inboard, and motor body's one end is provided with the lead wire waterproof jacket of cup jointing on the lead wire pencil, and the lead wire waterproof jacket can be dismantled with motor body and be connected, and the lead wire waterproof jacket inserts this internal one end of motor and is provided with the extrusion morphism, and the extrusion morphism is sealed with the periphery lateral wall butt of motor body and lead wire pencil. This application is through deformation of elastic deformation shape to deformation butt inslot deformation to make the periphery lateral wall of elastic deformation shape and the inside wall butt in deformation butt groove, realize stable connection structure, and under the effect of the elastic recovery power of elastic deformation shape, make threaded connection post and threaded connection groove remain stable connected state, extrusion deformation body keeps in extrusion deformation shape inslot with motor body and lead wire pencil periphery lateral wall's stable butt encapsulated state, reach effectual sealed water-proof effects.
Description
Technical Field
The application relates to the technical field of motors, in particular to a motor lead waterproof structure.
Background
The motor is high in consumption and competitive in the market, process changes are carried out on all parts of the motor by manufacturers on the premise that the performance and the noise of the motor are not affected, hidden troubles of product quality are reduced, the competitiveness of the product on the market is enhanced, and if the motor cannot reach the IP44 protection level due to structural problems, the use range is small.
Chinese patent with publication number CN212183257U discloses a motor waterproofing mechanism, which comprises a connecting piece located at one end of a motor, wherein the connecting piece and the motor are arranged into an integrated structure, one side of the motor, away from the connecting piece, is provided with a first jaw, the first jaw and the connecting piece are arranged into an integrated structure, one side of the motor, away from the connecting piece, is provided with a second jaw, the second jaw and the connecting piece are arranged into an integrated structure, one side of the motor, away from the connecting piece, is provided with a mounting plate, the mounting plate is connected with the connecting piece through a connecting screw, the first jaw and the second jaw are embedded into the mounting plate, a sealing rubber pad is arranged between the connecting piece and the mounting plate, and one side of the connecting piece, close to the motor, is provided.
But this motor waterproofing mechanism only increases the compactness of being connected between motor and the mounting panel through first jack catch of installation and second jack catch, prevents that the rainwater from permeating the inside short circuit that causes of motor in its joint gap, and holistic structural seal level is relatively weak, is difficult to reach the water-proof effects of high protection level, and then influences the application scope of motor, remains to be improved.
Disclosure of Invention
In view of this, an object of the present application is to provide a waterproof structure for a motor lead, so as to achieve the purpose of significantly improving waterproof sealing performance. The specific scheme is as follows:
the utility model provides a motor lead wire waterproof construction, includes motor body, motor body is connected with the lead wire pencil of wearing out from the inboard, motor body's one end is provided with and cup joints the waterproof cover of lead wire on the lead wire pencil, the waterproof cover of lead wire with motor body can dismantle the connection, just the waterproof cover of lead wire inserts this internal one end of motor is provided with the extrusion morphism, the extrusion morphism with motor body with the periphery lateral wall butt of lead wire pencil is sealed.
Preferably: the lead waterproof sleeve comprises a threaded connecting column, the motor body is provided with a threaded connecting groove matched with the threaded connecting column and an extrusion deformation groove matched with the extrusion deformation body, and the length of the extrusion deformation groove is smaller than that of the extrusion deformation body.
Preferably: the bottom of the extrusion deformation groove is provided with a limiting ring body, and the end part of the extrusion deformation body is provided with a limiting ring groove which is matched with the limiting ring body and used for inserting the limiting ring body.
Preferably: the thread connecting column with be provided with elastic deformation portion between the extrusion deformation body, the external diameter of elastic deformation portion with the thread connecting column with the external diameter of extrusion deformation body is the same, just the internal diameter of elastic deformation portion is greater than the thread connecting column with the internal diameter of extrusion deformation body, and the inboard of elastic deformation portion is formed with the shape chamber that becomes.
Preferably: the motor body is provided with and is located the thread connection groove with the deformation butt joint groove between the extrusion deformation groove, the diameter in deformation butt joint groove is greater than the thread connection groove with the diameter in extrusion deformation groove, and be used for supplying the crooked deformation of elastic deformation portion to the lateral wall with the cell wall butt in deformation butt joint groove.
Preferably: the end of the extrusion deformation body is provided with at least one extrusion trapezoidal ring groove.
Preferably: the inner side wall of the extrusion-shaped body is provided with a plurality of abutting arc-shaped grooves which are distributed along the radial direction at equal intervals.
Preferably: one end of the motor body is provided with a motor side cover, and the lead waterproof sleeve is inserted into the corresponding end of the motor side cover and the motor body.
Preferably: the waterproof cover of lead wire is kept away from the one end of motor body is provided with outer hexagon, outer hexagon inboard be used for with the lateral surface butt of motor side cap.
Preferably: the motor side cover is provided with a sealing ring groove, and a sealing ring used for being abutted to the inner side wall of the outer hexagon body is arranged in the sealing ring groove.
According to the above technical scheme, the application provides a motor lead waterproof construction, and this motor lead waterproof construction has following beneficial effect:
1. the lead wire waterproof sleeve is sleeved outside the lead wire harness, so that the lead wire waterproof sleeve is abutted against the peripheral side wall of the lead wire harness and the motor body, an effective and stable sealing effect is realized, and the motor lead wire waterproof structure has the effect of remarkably improving the waterproof sealing performance;
2. the motor lead waterproof structure is stably connected with the threaded connecting groove of the motor body through the threaded connecting column, so that the connection between the lead waterproof sleeve and the motor body is realized, and the motor lead waterproof structure has the effects of stable connection and long service life;
3. the elastic deformation part deforms and then deforms in the deformation abutting groove, so that the peripheral side wall of the elastic deformation part abuts against the inner side wall of the deformation abutting groove, a stable connecting structure is realized, the threaded connecting column and the threaded connecting groove are kept in a stable connecting state under the action of elastic restoring force of the elastic deformation part, the purpose of effectively preventing loosening is achieved, the extrusion deformation body is kept in a stable abutting sealing state with the peripheral side wall of the motor body and the lead wire harness in the extrusion deformation groove, and an effective sealing and waterproof effect is achieved;
4. through the arrangement of the extrusion trapezoidal ring groove and the abutting arc-shaped groove, the extrusion deformation body forms a stable and effective contact sealing state with the outer peripheral wall of the motor body and the lead wire harness after being subjected to extrusion deformation;
5. the installation difficulty of the lead waterproof sleeve is reduced through the outer hexagon, and when the outer hexagon is abutted against the side cover of the motor, the structure damage caused by excessive deformation of the extrusion-shaped variant is effectively prevented, and the service life of the motor lead waterproof structure is obviously prolonged;
6. through set up the sealing ring groove on the motor side cover and with the sealing washer of outer hexagon butt, further promote the waterproof sealing performance between hexagon and the motor body.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a waterproof structure of a motor lead disclosed in the present application;
fig. 2 is a partial sectional structural schematic view of a motor lead waterproofing structure disclosed in the present application;
FIG. 3 is a schematic structural view of a lead waterproof jacket as disclosed herein;
fig. 4 is an enlarged schematic view of a portion a in fig. 2.
Description of reference numerals: 1. a motor body; 11. connecting grooves by screw threads; 12. extruding a deformation groove; 121. a limiting ring body; 13. a deformation abutting groove; 2. a motor side cover; 21. sealing the ring groove; 22. a seal ring; 3. a wire harness; 4. a waterproof sleeve for the lead; 41. a threaded connection post; 42. an elastic deformation portion; 421. a deformation chamber; 43. an extruded shape-changing body; 431. extruding the trapezoidal ring groove; 432. abutting against the arc-shaped groove; 433. a limiting ring groove; 44. an outer hexagon.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, a waterproof structure for a motor lead comprises a motor body 1. The motor body 1 is connected with a lead wire harness 3 which penetrates out from the inner side, and a motor side cover 2 is arranged at one end of the motor body 1. Wherein, the lead waterproof sleeve 4 is inserted in the corresponding end of the motor side cover 2 and the motor body 1. In order to achieve an effective waterproof sealing effect, a lead waterproof sleeve 4 is sleeved on the lead wire harness 3. The lead waterproof sleeve 4 is detachably connected with the motor body 1 so as to achieve the purposes of convenient installation, disassembly, maintenance and maintenance.
As shown in fig. 2 and 3, a crush portion 43 is provided at one end of the lead waterproof cover 4 inserted into the motor body 1. The crush zone 43 is for abutting sealing with the motor body 1 and the outer peripheral side wall of the lead wire harness 3. Meanwhile, the lead waterproof case 4 includes a screw connection post 41 and an elastic deformation portion 42 for connecting the compression deformation body 43 of the screw connection post 41. Accordingly, the motor body 1 is provided with a screw coupling groove 11 matching the screw coupling post 41, a deformation abutting groove 13 matching the elastic deformation portion 42, and a compression deformation groove 12 matching the compression deformation body 43. Wherein, the length of the extrusion deformation groove 12 is smaller than the length of the extrusion deformation body 43, so that the extrusion deformation body 43 deforms after the extrusion of the inner diameter of the extrusion deformation groove 12, and forms a compact abutting sealing state with the outer peripheral side wall of the motor body 1 and the lead wire harness 3. In addition, the diameter of the deformation abutting groove 13 is larger than the diameters of the thread connecting groove 11 and the extrusion deformation groove 12, and the elastic deformation portion 42 is used for bending and deforming until the outer side wall abuts against the groove wall of the deformation abutting groove 13. And the external diameter of the elastic deformation part 42 is the same as the external diameters of the threaded connection column 41 and the extrusion deformation body 43, the internal diameter of the elastic deformation part 42 is larger than the internal diameters of the threaded connection column 41 and the extrusion deformation body 43, and a deformation cavity 421 is formed on the inner side of the elastic deformation part 42, so that the elastic deformation part 42 generates elastic restoring force after deformation in the deformation abutting groove 13.
It should be noted that, as shown in fig. 2 and 4, a limiting ring body 121 is provided at the bottom of the crush deformation groove 12. And the end part of the extrusion deformation body 43 is provided with a limit ring groove 433 which is matched with the limit ring body 121 and is used for inserting the limit ring body 121, so that the extrusion deformation body 43 keeps a stable deformation state when the inner diameter of the extrusion deformation groove 12 is extruded to generate deformation, and the aim of improving the waterproof sealing performance of the whole structure is fulfilled.
As shown in fig. 2 and 3, in order to form a stable and effective contact sealing state between the extrusion 43 and the outer peripheral walls of the motor body 1 and the lead wire harness 3, at least one extrusion trapezoidal ring groove 431 is provided at an end portion of the extrusion 43, and a plurality of abutting arc-shaped grooves 432 are provided at equal intervals in the radial direction on an inner side wall of the extrusion 43. In this embodiment, the two extrusion trapezoidal ring grooves 431 are respectively located at the inner side and the outer side of the limiting ring groove 433, so as to achieve the effective waterproof sealing effect.
Meanwhile, an outer hexagon 44 is provided at an end of the lead waterproof cover 4 away from the motor body 1. The inner side of the outer hexagon 44 is used to abut against the outer side surface of the motor side cover 2. Therefore, the installation difficulty of the lead waterproof sleeve 4 is reduced through the outer hexagon 44, and when the outer hexagon 44 abuts against the motor side cover 2, the structural damage caused by excessive deformation of the extrusion deformation body 43 is effectively prevented, and the service life of the motor lead waterproof structure is obviously prolonged. A seal ring groove 21 is provided in the motor side cover 2. The sealing ring 22 used for abutting against the inner side wall of the outer hexagon 44 is arranged in the sealing ring groove 21, so that the waterproof sealing performance between the hexagon and the motor body 1 is further improved by arranging the sealing ring groove 21 on the motor side cover 2 and the sealing ring 22 abutting against the outer hexagon 44.
In conclusion, the waterproof lead sleeve 4 is sleeved outside the lead wire harness 3, so that the waterproof lead sleeve 4 is abutted against the peripheral side wall of the lead wire harness 3 and the motor body 1, an effective and stable sealing effect is realized, and the waterproof motor lead structure has the effect of remarkably improving the waterproof sealing performance; meanwhile, the threaded connecting column 41 is stably connected with the threaded connecting groove 11 of the motor body 1, so that the lead waterproof sleeve 4 is connected with the motor body 1, and the motor lead waterproof structure has the effects of stable connection and long service life; and through deformation behind the elastic deformation portion 42 deformation in deformation butt joint groove 13, so that the periphery lateral wall of elastic deformation portion 42 and the inside wall butt of deformation butt joint groove 13, realize stable connection structure, and under the effect of the elastic restoring force of elastic deformation portion 42, make threaded connection post 41 and threaded connection groove 11 remain stable connected state, reach effectual not hard up purpose that prevents, and make extrusion deformation body 43 keep in extrusion deformation groove 12 with motor body 1 and the stable butt seal state of lead wire pencil 3 periphery lateral wall, reach effectual sealed water-proof effects.
References in this application to "first," "second," "third," "fourth," etc., if any, are intended to distinguish between similar elements and not necessarily to describe a particular order or sequence. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, or apparatus.
It should be noted that the descriptions in this application referring to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
The principle and the implementation of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. The utility model provides a motor lead waterproof construction, includes motor body (1), motor body (1) is connected with lead wire pencil (3) of following the inboard wearing out, its characterized in that: one end of the motor body (1) is provided with a lead waterproof sleeve (4) sleeved on the lead wire harness (3), the lead waterproof sleeve (4) is detachably connected with the motor body (1), the lead waterproof sleeve (4) is inserted into one end in the motor body (1) and is provided with an extrusion deformation body (43), and the extrusion deformation body (43) is abutted and sealed with the motor body (1) and the peripheral side wall of the lead wire harness (3).
2. The motor lead wire waterproof structure according to claim 1, characterized in that: the lead waterproof jacket (4) comprises a threaded connection column (41), the motor body (1) is provided with a threaded connection groove (11) matched with the threaded connection column (41) and an extrusion deformation groove (12) matched with the extrusion deformation body (43), and the length of the extrusion deformation groove (12) is smaller than that of the extrusion deformation body (43).
3. The motor lead wire waterproof structure according to claim 2, characterized in that: the groove bottom of the extrusion deformation groove (12) is provided with a limiting ring body (121), and the end part of the extrusion deformation body (43) is provided with a limiting ring groove (433) which is matched with the limiting ring body (121) and used for inserting the limiting ring body (121).
4. The motor lead wire waterproof structure according to claim 2, characterized in that: the utility model discloses a thread connection post, including screw thread spliced pole (41) and extrusion deformation body (43), be provided with elastic deformation portion (42) between screw thread spliced pole (41) and the extrusion deformation body (43), the external diameter of elastic deformation portion (42) with screw thread spliced pole (41) with the external diameter of extrusion deformation body (43) is the same, just the internal diameter of elastic deformation portion (42) is greater than screw thread spliced pole (41) with the internal diameter of extrusion deformation body (43), and the inboard of elastic deformation portion (42) forms tangible chamber of variation (421).
5. The waterproof structure of the motor lead wire according to claim 4, characterized in that: motor body (1) is provided with and is located thread connection groove (11) with deformation butt joint groove (13) between extrusion deformation groove (12), the diameter in deformation butt joint groove (13) is greater than thread connection groove (11) with the diameter in extrusion deformation groove (12), and be used for the confession elastic deformation portion (42) bending deformation to lateral wall with the cell wall butt in deformation butt joint groove (13).
6. The motor lead wire waterproof structure according to any one of claims 1 to 5, characterized in that: the end of the extrusion deformation body (43) is provided with at least one extrusion trapezoidal ring groove (431).
7. The motor lead wire waterproof structure according to any one of claims 1 to 5, characterized in that: the inner side wall of the extrusion-shaped body (43) is provided with a plurality of abutting arc-shaped grooves (432) which are distributed at equal intervals along the radial direction.
8. The motor lead wire waterproof structure according to claim 1, characterized in that: one end of the motor body (1) is provided with a motor side cover (2), and the lead waterproof sleeve (4) is inserted into the corresponding end of the motor side cover (2) and the motor body (1).
9. The waterproof structure of the motor lead wire according to claim 8, wherein: one end of the lead waterproof sleeve (4) far away from the motor body (1) is provided with an outer hexagon (44), and the inner side of the outer hexagon (44) is used for being abutted against the outer side face of the motor side cover (2).
10. The waterproof structure of the motor lead wire according to claim 9, characterized in that: the motor side cover (2) is provided with a sealing ring groove (21), the sealing ring groove (21) is internally provided with a sealing ring (22) which is used for being abutted to the inner side wall of the outer hexagon body (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110218571.2A CN112994319B (en) | 2021-02-26 | 2021-02-26 | Motor lead waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110218571.2A CN112994319B (en) | 2021-02-26 | 2021-02-26 | Motor lead waterproof construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112994319A true CN112994319A (en) | 2021-06-18 |
| CN112994319B CN112994319B (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110218571.2A Active CN112994319B (en) | 2021-02-26 | 2021-02-26 | Motor lead waterproof construction |
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| Country | Link |
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| CN (1) | CN112994319B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204511A (en) * | 2021-12-14 | 2022-03-18 | 鹰搏(江苏)线缆科技有限公司 | Wheel hub motor lead-out wire with waterproof and protect function |
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| CN205047833U (en) * | 2015-10-21 | 2016-02-24 | 湖南威铭能源科技有限公司 | Waterproof seal structure |
| CN209896829U (en) * | 2019-05-24 | 2020-01-03 | 中山大洋电机股份有限公司 | Motor outlet sealing structure |
| CN110829105A (en) * | 2019-10-30 | 2020-02-21 | 广东林一新能源科技有限公司 | Interlocking terminal waterproof construction |
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2021
- 2021-02-26 CN CN202110218571.2A patent/CN112994319B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201568650U (en) * | 2009-12-16 | 2010-09-01 | 深圳市南士科技股份有限公司 | Novel waterproof structure |
| CN203827658U (en) * | 2014-03-07 | 2014-09-10 | 深圳三星通信技术研究有限公司 | Single-hole waterproof structure used for communication equipment interface |
| CN204271574U (en) * | 2014-12-30 | 2015-04-15 | 纳恩博（天津）科技有限公司 | A kind of cable-through hole waterproof construction |
| CN205047833U (en) * | 2015-10-21 | 2016-02-24 | 湖南威铭能源科技有限公司 | Waterproof seal structure |
| CN209896829U (en) * | 2019-05-24 | 2020-01-03 | 中山大洋电机股份有限公司 | Motor outlet sealing structure |
| CN110829105A (en) * | 2019-10-30 | 2020-02-21 | 广东林一新能源科技有限公司 | Interlocking terminal waterproof construction |
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| CN114204511A (en) * | 2021-12-14 | 2022-03-18 | 鹰搏(江苏)线缆科技有限公司 | Wheel hub motor lead-out wire with waterproof and protect function |
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| Publication number | Publication date |
|---|---|
| CN112994319B (en) | 2021-09-17 |
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