CN203645448U - High dustproof and waterproof junction box of efficient explosion-proof motor - Google Patents
High dustproof and waterproof junction box of efficient explosion-proof motor Download PDFInfo
- Publication number
- CN203645448U CN203645448U CN201320772774.7U CN201320772774U CN203645448U CN 203645448 U CN203645448 U CN 203645448U CN 201320772774 U CN201320772774 U CN 201320772774U CN 203645448 U CN203645448 U CN 203645448U
- Authority
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- China
- Prior art keywords
- junction box
- seat
- terminal box
- high dustproof
- ring seals
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000013011 mating Effects 0.000 claims description 12
- 239000000428 dust Substances 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000007921 spray Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229960000074 biopharmaceutical Drugs 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 108700041286 delta Proteins 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to a high dustproof and waterproof junction box of an efficient explosion-proof motor. The high dustproof and waterproof junction box of the efficient explosion-proof motor comprises a junction box base, a junction box cover and an engine base outgoing line base. The junction box cover possesses a transverse extending part and a first longitudinal extending part. The undersurface of the transverse extending part of the junction box cover is equipped with a first groove in which a first O-shaped sealing ring is arranged, and the undersurface of the transverse extending part of the junction box cover and the top surface of the junction box base are sealed by the first O-shaped sealing ring. The undersurface of the junction box base is equipped with a second groove in which a second O-shaped sealing ring is arranged, and the undersurface of the junction box base and the top surface of the engine base outgoing line base are sealed by the second O-shaped sealing ring. The high dustproof and waterproof junction box of the efficient explosion-proof motor of the utility model is suitable for the pressure water-proof, sea beaten resistant and dust tightness environments of which the protection levels reach IP66. The sealing of the junction box structure can prevent the dust from entering completely and can bear the violent sea beaten or water spray, so that the quantity of water intake of the motor is not harmful.
Description
Technical field
The utility model relates to the terminal box technical field of fire-proof motor, the high dustproof and waterproof terminal box of especially a kind of efficient explosionproof motor.
Background technology
Efficient explosionproof threephase asynchronous (except mining), being applicable to petrochemical industry, natural gas, bio-pharmaceuticals etc. has the higher all kinds of mechanical devices of security requirement and supports the use, original junction box structure, set sealing ring is less, although enter dust quantity and be not enough to affect the normal operation of motor, but can not prevent that dust from entering completely, because the requirement of present fire-proof motor is more and more higher, require to prevent completely dust from entering and also in the time bearing fierce sea beat or strongly spray water the inflow of motor should not reach harmful degree.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of efficient explosionproof motor high dustproof and waterproof terminal box, the better effects if of its water proof and dust proof.
The utility model solves the technical scheme that its technical problem adopts: the high dustproof and waterproof terminal box of a kind of efficient explosionproof motor, there is junction box seat, connector cover, support wire outlet seat, described connector cover has horizontal expansion portion, the first longitudinal extension part, the horizontal expansion portion bottom surface of described connector cover has the first groove, in described the first groove, the first O-ring seals is installed, the horizontal expansion portion bottom surface of described connector cover and the end face of junction box seat are by the first O-ring seals sealing, the bottom surface of described junction box seat has the second groove, in described the second groove, the second O-ring seals is installed, the end face of the bottom surface of described junction box seat and support wire outlet seat is by the second O-ring seals sealing.
Further, the lateral surface of the first longitudinal extension part of described connector cover and the medial surface of junction box seat form the first flameproof joint.
Further, the length of the first described flameproof joint is 1.2 times of full-length of the corresponding position flameproof joint of same specification terminal box.
Further, the bottom surface of described junction box seat is provided with the second longitudinal extension part, and the lateral surface of the second longitudinal extension part of described junction box seat and the medial surface of support wire outlet seat form the second flameproof joint.
Further, the length of the second described flameproof joint is 1.2 times of full-length of the corresponding position flameproof joint of same specification terminal box.
Further, the standard size in the mating surface gap, corresponding position of the first mating surface Gap-Ratios same specification terminal box between the bottom surface of horizontal expansion portion of described connector cover and the end face of junction box seat reduces 0.1mm.
Further, the standard size in the mating surface gap, corresponding position of the second mating surface Gap-Ratios same specification terminal box between the bottom surface of described junction box seat and the end face of support wire outlet seat reduces 0.05mm.
The beneficial effects of the utility model are: the first O-ring seals packs into after the first groove, the second O-ring seals packs into after the second groove, and the cross section of the first O-ring seals, the second O-ring seals is born contact compression stress face and produced strain.Contact-making surface is produced to certain initial contact, and even without pressure medium or overstock and very little, the first O-ring seals, the second O-ring seals also can be realized sealing by the resilient force of self; When being filled with in cavity volume after the medium of pressure, as after wave impacts fiercely, under pressure medium effect, the first O-ring seals, the second O-ring seals are subjected to displacement, shift to low-pressure side, its strain further strengthens simultaneously, fills and closing gap, now, the contact that acts on sealing pair coupled face rises, thereby greatly increase sealing effectiveness, realized leak free positive confinement, the better effects if of water proof and dust proof of the present utility model.
Accompanying drawing explanation
Engaging accompanying drawing below further illustrates the utility model.
Fig. 1 is structural representation of the present utility model;
Wherein: 1, connector cover, 11, horizontal expansion portion, 12, the first longitudinal extension part, 2, the first O-ring seals, 3, junction box seat, 31, the second longitudinal extension part, 4, the second O-ring seals, 5, support wire outlet seat.
Embodiment
Engaging now accompanying drawing is further described the utility model.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, embodiment mono-: the high dustproof and waterproof terminal box of a kind of efficient explosionproof motor, there is junction box seat 3, connector cover 1, support wire outlet seat 5, connector cover 1 has horizontal expansion portion 11, the first longitudinal extension part 12, horizontal expansion portion 11 bottom surfaces of connector cover 1 have the first groove, the first O-ring seals 2 is installed in the first groove, horizontal expansion portion 11 bottom surfaces of connector cover 1 and the end face of junction box seat 3 seal by the first O-ring seals 2, the bottom surface of junction box seat 3 has the second groove, the second O-ring seals 4 is installed in the second groove, the end face of the bottom surface of junction box seat 3 and support wire outlet seat 5 seals by the second O-ring seals 4.
The lateral surface of the longitudinal extension part 12 of connector cover 1 and the medial surface of junction box seat 3 form the first flameproof joint.The length L 1 of the first flameproof joint is 1.2 times of full-length of the corresponding position flameproof joint of same specification terminal box.
The bottom surface of junction box seat 3 is provided with the second longitudinal extension part 31, and the lateral surface of the second longitudinal extension part 31 of junction box seat 3 and the medial surface of support wire outlet seat 5 form the second flameproof joint.The length L 2 of the second flameproof joint is 1.2 times of full-length of the corresponding position flameproof joint of same specification terminal box.
The first mating surface gap delta 1 between the bottom surface of the horizontal expansion portion 11 of connector cover 1 and the end face of junction box seat 3 reduces 0.1mm than the standard size in the mating surface gap, corresponding position of same specification terminal box.The second mating surface gap delta 2 between the end face of the bottom surface of junction box seat 3 and support wire outlet seat 5 reduces 0.05mm than the standard size in the mating surface gap, corresponding position of same specification terminal box.
The first O-ring seals 2 packs into after the first groove, the second O-ring seals 4 packs into after the second groove, and the cross section of the first O-ring seals 2, the second O-ring seals 4 is born contact compression stress and produced strain.Contact-making surface is produced to certain initial contact, and even without pressure medium or overstock and very little, the first O-ring seals 2, the second O-ring seals 4 also can be realized sealing by the resilient force of self; When being filled with in cavity volume after the medium of pressure, as after wave impacts fiercely, under pressure medium effect, the first O-ring seals 2, the second O-ring seals 4 are subjected to displacement, and shift to low-pressure side, its strain further strengthens simultaneously, fill and closing gap, now, the contact that acts on sealing pair coupled face rises, thereby greatly increase sealing effectiveness, realized leak free positive confinement.
In the terminal box specification of embodiment mono-and prior art, the contrast of the standard size of same specification terminal box is as follows:
| ? | L1（mm） | L2（mm） | δ1（mm） | δ2（mm） |
| Prior art | 15 | 26 | 0.2 | 0.15 |
| Embodiment mono- | 18 | 31 | 0.1 | 0.1 |
Subjects: the motor that the terminal box of embodiment mono-is installed.Can be 75m by width between silk screen, silk screen diameter be the pressure that talcum part of 50m metal square hole screen applies 2kPa, sprays to motor, and through the test of two hours, motor entered without talcum powder on inspection.In the place from motor 3m, use the nozzle that internal diameter is 12.5mm, the pressure of about 100kPa, discharge is that 95～105L/min sprays 3min to motor, motor, without water inlet, meets IP66 requirement on inspection.
The utility model is applicable to oil, chemical industry, natural gas, bio-pharmaceuticals etc. except mining to be had the processing that inflammable and explosive mixed gases is used in land, particulate metal peculiar to vessel and inflammable and explosive easy conductive prevents dust occasion and uses in mechanized equipment, be applicable to anti-press water and anti-sea beat and the close property of dirt environment that degree of protection reaches IP66, when the sealing of junction box structure prevents that dust from entering completely and can bear fierce sea beat or strongly spray water, the inflow of motor does not reach harmful degree.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (7)
1. the high dustproof and waterproof terminal box of efficient explosionproof motor, there is junction box seat (3), connector cover (1), support wire outlet seat (5), it is characterized in that: described connector cover (1) has horizontal expansion portion (11), the first longitudinal extension part (12), horizontal expansion portion (11) bottom surface of described connector cover (1) has the first groove, the first O-ring seals (2) is installed in described the first groove, horizontal expansion portion (11) bottom surface of described connector cover (1) and the end face of junction box seat (3) are by the first O-ring seals (2) sealing, the bottom surface of described junction box seat (3) has the second groove, the second O-ring seals (4) is installed in described the second groove, the end face of the bottom surface of described junction box seat (3) and support wire outlet seat (5) is by the second O-ring seals (4) sealing.
2. the high dustproof and waterproof terminal box of a kind of efficient explosionproof motor according to claim 1, is characterized in that: the lateral surface of first longitudinal extension part (12) of described connector cover (1) and the medial surface of junction box seat (3) form the first flameproof joint.
3. the high dustproof and waterproof terminal box of a kind of efficient explosionproof motor according to claim 2, is characterized in that: the length of the first described flameproof joint is 1.2 times of full-length of the corresponding position flameproof joint of same specification terminal box.
4. the high dustproof and waterproof terminal box of a kind of efficient explosionproof motor according to claim 1, it is characterized in that: the bottom surface of described junction box seat (3) is provided with the second longitudinal extension part (31), the lateral surface of second longitudinal extension part (31) of described junction box seat (3) and the medial surface of support wire outlet seat (5) form the second flameproof joint.
5. the high dustproof and waterproof terminal box of a kind of efficient explosionproof motor according to claim 4, is characterized in that: the length of the second described flameproof joint is 1.2 times of full-length of the corresponding position flameproof joint of same specification terminal box.
6. the high dustproof and waterproof terminal box of a kind of efficient explosionproof motor according to claim 1, is characterized in that: the standard size in the mating surface gap, corresponding position of the first mating surface Gap-Ratios same specification terminal box between the bottom surface of the horizontal expansion portion (11) of described connector cover (1) and the end face of junction box seat (3) reduces 0.1mm.
7. the high dustproof and waterproof terminal box of a kind of efficient explosionproof motor according to claim 1, is characterized in that: the standard size in the mating surface gap, corresponding position of the second mating surface Gap-Ratios same specification terminal box between the bottom surface of described junction box seat (3) and the end face of support wire outlet seat (5) reduces 0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772774.7U CN203645448U (en) | 2013-11-29 | 2013-11-29 | High dustproof and waterproof junction box of efficient explosion-proof motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772774.7U CN203645448U (en) | 2013-11-29 | 2013-11-29 | High dustproof and waterproof junction box of efficient explosion-proof motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203645448U true CN203645448U (en) | 2014-06-11 |
Family
ID=50876668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320772774.7U Expired - Lifetime CN203645448U (en) | 2013-11-29 | 2013-11-29 | High dustproof and waterproof junction box of efficient explosion-proof motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203645448U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158338A (en) * | 2014-08-18 | 2014-11-19 | 中达电机股份有限公司 | Explosion-suppression-type motor junction box structure |
| CN104300731A (en) * | 2014-09-28 | 2015-01-21 | 荣成市先锋电机厂 | Electromotor combined with pressure vessel |
| CN105429346A (en) * | 2015-12-14 | 2016-03-23 | 重庆市科诚电机制造有限公司 | Explosion-proof and dustproof motor |
| CN108054857A (en) * | 2017-12-19 | 2018-05-18 | 卧龙电气集团股份有限公司 | A kind of explosion-proof motor structure suitable for different explosive-proof gradves |
| CN109768650A (en) * | 2017-11-09 | 2019-05-17 | 西门子公司 | Motor case and motor with the motor case |
| CN111835129A (en) * | 2020-06-23 | 2020-10-27 | 哈尔滨电气动力装备有限公司 | Small-sized pressure-resistant outlet box for nuclear power shielding motor |
-
2013
- 2013-11-29 CN CN201320772774.7U patent/CN203645448U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158338A (en) * | 2014-08-18 | 2014-11-19 | 中达电机股份有限公司 | Explosion-suppression-type motor junction box structure |
| CN104300731A (en) * | 2014-09-28 | 2015-01-21 | 荣成市先锋电机厂 | Electromotor combined with pressure vessel |
| CN105429346A (en) * | 2015-12-14 | 2016-03-23 | 重庆市科诚电机制造有限公司 | Explosion-proof and dustproof motor |
| CN109768650A (en) * | 2017-11-09 | 2019-05-17 | 西门子公司 | Motor case and motor with the motor case |
| CN109768650B (en) * | 2017-11-09 | 2021-04-20 | 西门子公司 | Motor casing and motor with same |
| CN108054857A (en) * | 2017-12-19 | 2018-05-18 | 卧龙电气集团股份有限公司 | A kind of explosion-proof motor structure suitable for different explosive-proof gradves |
| CN108054857B (en) * | 2017-12-19 | 2023-07-28 | 卧龙电气驱动集团股份有限公司 | Flameproof motor structure suitable for different explosion-proof grades |
| CN111835129A (en) * | 2020-06-23 | 2020-10-27 | 哈尔滨电气动力装备有限公司 | Small-sized pressure-resistant outlet box for nuclear power shielding motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |