CN104158338A - Explosion-suppression-type motor junction box structure - Google Patents
Explosion-suppression-type motor junction box structure Download PDFInfo
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- CN104158338A CN104158338A CN201410407593.3A CN201410407593A CN104158338A CN 104158338 A CN104158338 A CN 104158338A CN 201410407593 A CN201410407593 A CN 201410407593A CN 104158338 A CN104158338 A CN 104158338A
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- junction box
- seat
- explosion
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- suppression
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Abstract
The invention relates to an explosion-suppression-type motor junction box structure comprising a junction box base and a junction box cover arranged on the junction box base. The junction box base is provided with terminal covers. Each terminal cover is provided with a junction bolt. The junction bolt stretches into the inner side of the junction box base. The junction box base is provided with a junction box bucket. The junction box bucket is provided with a pressing plate. The explosion-suppression-type motor junction box structure is characterized in that a first mouth stop surface is formed on the surface where the junction box base is connected with a motor base line-outgoing base; the junction box cover and the junction box base are connected through a second mouth stop surface; the junction bolt and the terminal covers form cylindric explosion-suppression surfaces; the terminal covers and the junction box base are connected through explosion-suppression threads; and washers and lock washers are arranged between the terminal covers and the junction box base respectively. The explosion-suppression-type motor junction box structure is simple in structure and convenient to install; the explosion-suppression requirements totally meet the requirements of explosion-suppression signs ExdIICT1-T4; and thus the motor is allowed to operate safely and reliably.
Description
Technical field
The present invention relates to a kind of flameproof motor junction box structure, especially a kind of junction box structure that is applicable to ExdIICT1～T4 flameproof motor.
Background technology
Along with the fast development of China's oil chemical industry, the environment for use of flameproof motor is more severe in recent years.Flameproof motor develops into today, and motor connecting cartridge structure becomes one of key link, and particularly, in having the environment of hydrogen and acetylene, safe and reliable is very important.Require the explosive gas mixture explosion time of motor interior, flameproof enclosure should not damage or the exert an influence variation of explosion insulation performance; Internal explosion flame does not allow to cause by the flameproof joint of shell the blast of extraneous explosion admixture of gas.The requirement of using traditional Construction of Flame-proof Terminal not reach ExdIICT1～T4 due to flame proof gap and flame proof effective length, can cause the blast of the explosive gas mixture of external environment condition.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of flameproof motor junction box structure is provided, guarantee that flame-proof type motor is reliable in the environment that has hydrogen and acetylene etc. easily to set off an explosion, met the environment for use that has hydrogen and acetylene etc. easily to set off an explosion.
According to technical scheme provided by the invention, a flameproof motor junction box structure, comprises junction box seat and is arranged on the connector cover on junction box seat, and terminal cover is set on junction box seat, in terminal cover, connection bolt is set, connection bolt stretches into junction box seat inside; Terminal box bucket is set on described junction box seat, on terminal box bucket, pressing plate is set; Feature is: on the face being connected with the support wire outlet seat of motor at described junction box seat, form the first seam face; Between described connector cover and junction box seat, by the second seam face, be connected; Between described connection bolt and terminal cover, form cylindric explosion suppresion surface, between terminal cover and junction box seat, by flame proof thread, be connected, and between terminal cover and junction box seat, packing ring and stop washer be set.
Further, described junction box seat is connected by bolt with the support wire outlet seat of motor.
Further, between described connector cover and junction box seat, O-ring seals is set.
Further, between described connector cover and junction box seat, by bolt, connect.
Further, between described terminal box bucket and junction box seat, pass through bolt press seal circle and metal washer.
Further, described sealing ring is concentric with terminal box bucket.
Of the present invention kind of flameproof motor junction box structure, simple in structure, to be convenient to install, flame proof requires to meet completely the requirement of flame proof sign ExdIICT1～T4, makes motor safe and reliable to operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with concrete accompanying drawing, the invention will be further described.
As shown in Figure 1: described flameproof motor junction box structure comprises connector cover 1, O-ring seals 2, connection bolt 3, terminal cover 4, junction box seat 5, sealing ring 6, metal washer 7, terminal box bucket 8, pressing plate 9, packing ring 10, stop washer 11, the first seam face 12, the second seam face 13, cylindric explosion suppresion surface 14 etc.
As shown in Figure 1, the present invention includes junction box seat 5 and be arranged on the connector cover 1 on junction box seat 5, terminal cover 4 is set on junction box seat 5, in terminal cover 4, connection bolt 3 being set, connection bolt 3 stretches into junction box seat 5 inside; On described junction box seat 5, terminal box bucket 8 is set, on terminal box bucket 8, be provided for the fixedly pressing plate 9 of external cable, between terminal box bucket 8 and junction box seat 5, pass through bolt press seal circle 6 and metal washer 7, to form the sealing between terminal box bucket 8 and junction box seat 5, sealing ring 6 is concentric with terminal box bucket 8;
On the face being connected with the support wire outlet seat of motor at described junction box seat 5, form the first seam face 12, as the explosion suppresion surface between the support wire outlet seat of junction box seat 5 and motor, junction box seat 5 is connected by bolt with the support wire outlet seat of motor;
Between described connector cover 1 and junction box seat 5, by the second seam face 13, be connected, the second seam face 13 is as the flameproof joint between connector cover 1 and junction box seat 5; And, the O-ring seals 2 of water proof and dust proof effect has been set between connector cover 1 and junction box seat 5, between connector cover 1 and junction box seat 5, by bolt, connect;
Between described connection bolt 3 and terminal cover 4, form cylindric explosion suppresion surface 14;
Between described terminal cover 4 and junction box seat 5, by flame proof thread, be connected, and terminal overlap 4 and junction box seat 5 between packing ring 10 and stop washer 11 are set, prevent that terminal from overlapping 4 vibrations.
The present invention is applicable to have the atmosphere existing explosive mixtures of imflammable gas that ignition temperature group is T1～T4 group or steam and air formation, and imflammable gas can be the place of hydrogen or acetylene and composition thereof.The design of flameproof motor junction box structure of the present invention and electric clearance and creepage distance, meets GB 3836.1-2010 < < explosive atmosphere part 1: Device-General requires > > and GB 3836.2-2010 < < explosive atmosphere part 2: the regulation of the equipment > > being protected by flameproof enclosure " d ".
Flameproof motor junction box structure of the present invention meets the environment instructions for use of contained hydrogen in explosion-proof sign ExdIICT1～T4 or acetylene.Can guarantee motor reliability service in this environment.Therefore,, in the environment with hydrogen and acetylene using at explosion-proof sign ExdIICT1～T4, this junction box structure application is very extensive.
Claims (6)
1. a flameproof motor junction box structure, comprise junction box seat (5) and be arranged on the connector cover (1) on junction box seat (5), terminal cover (4) is set on junction box seat (5), connection bolt (3) is set in terminal cover (4), and connection bolt (3) stretches into junction box seat (5) inside; Terminal box bucket (8) is set on described junction box seat (5), pressing plate (9) is set on terminal box bucket (8); It is characterized in that: on the face being connected with the support wire outlet seat of motor at described junction box seat (5), form the first seam face (12); Between described connector cover (1) and junction box seat (5), by the second seam face (13), be connected; Between described connection bolt (3) and terminal cover (4), form cylindric explosion suppresion surface (14), between terminal cover (4) and junction box seat (5), by flame proof thread, be connected, and between terminal cover (4) and junction box seat (5), packing ring (10) and stop washer (11) be set.
2. flameproof motor junction box structure as claimed in claim 1, is characterized in that: described junction box seat (5) is connected by bolt with the support wire outlet seat of motor.
3. flameproof motor junction box structure as claimed in claim 1, is characterized in that: between described connector cover (1) and junction box seat (5), O-ring seals (2) is set.
4. flameproof motor junction box structure as claimed in claim 1, is characterized in that: between described connector cover (1) and junction box seat (5), by bolt, connect.
5. flameproof motor junction box structure as claimed in claim 1, is characterized in that: between described terminal box bucket (8) and junction box seat (5), pass through bolt press seal circle (6) and metal washer (7).
6. flameproof motor junction box structure as claimed in claim 5, is characterized in that: described sealing ring (6) is concentric with terminal box bucket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407593.3A CN104158338A (en) | 2014-08-18 | 2014-08-18 | Explosion-suppression-type motor junction box structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407593.3A CN104158338A (en) | 2014-08-18 | 2014-08-18 | Explosion-suppression-type motor junction box structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104158338A true CN104158338A (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410407593.3A Pending CN104158338A (en) | 2014-08-18 | 2014-08-18 | Explosion-suppression-type motor junction box structure |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467260A (en) * | 2014-12-11 | 2015-03-25 | 重庆七色实业有限公司 | Motor and outlet box |
| CN104702040A (en) * | 2015-03-25 | 2015-06-10 | 永济新时速电机电器有限责任公司 | Motor junction box of embedded die-cast structure and manufacturing method of motor junction box |
| CN109936244A (en) * | 2019-04-30 | 2019-06-25 | 中达电机股份有限公司 | A kind of anti-explosion terminal box |
| CN111953119A (en) * | 2020-08-07 | 2020-11-17 | 山东众泰防爆电机股份有限公司 | Special explosion-proof motor for plunger pump and process |
| CN113922570A (en) * | 2021-10-21 | 2022-01-11 | 卧龙电气南阳防爆集团股份有限公司 | Side upper outlet motor junction box with explosion-proof level simultaneously meeting dIIBT4 and dIICT4 |
Citations (5)
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| CN201490820U (en) * | 2009-07-21 | 2010-05-26 | 无锡锡山安达防爆电气设备有限公司 | Flameproof junction box used for high-power motor |
| CN201868998U (en) * | 2010-12-02 | 2011-06-15 | 安徽华瑞塑业有限公司 | Explosion-proof motor junction box |
| WO2011091668A1 (en) * | 2010-02-01 | 2011-08-04 | 中山大洋电机制造有限公司 | Mounting structure for motor terminal box |
| CN203645448U (en) * | 2013-11-29 | 2014-06-11 | 江苏大中电机股份有限公司 | High dustproof and waterproof junction box of efficient explosion-proof motor |
| CN204046327U (en) * | 2014-08-18 | 2014-12-24 | 中达电机股份有限公司 | Flameproof motor junction box structure |
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2014
- 2014-08-18 CN CN201410407593.3A patent/CN104158338A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201490820U (en) * | 2009-07-21 | 2010-05-26 | 无锡锡山安达防爆电气设备有限公司 | Flameproof junction box used for high-power motor |
| WO2011091668A1 (en) * | 2010-02-01 | 2011-08-04 | 中山大洋电机制造有限公司 | Mounting structure for motor terminal box |
| CN201868998U (en) * | 2010-12-02 | 2011-06-15 | 安徽华瑞塑业有限公司 | Explosion-proof motor junction box |
| CN203645448U (en) * | 2013-11-29 | 2014-06-11 | 江苏大中电机股份有限公司 | High dustproof and waterproof junction box of efficient explosion-proof motor |
| CN204046327U (en) * | 2014-08-18 | 2014-12-24 | 中达电机股份有限公司 | Flameproof motor junction box structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467260A (en) * | 2014-12-11 | 2015-03-25 | 重庆七色实业有限公司 | Motor and outlet box |
| CN104702040A (en) * | 2015-03-25 | 2015-06-10 | 永济新时速电机电器有限责任公司 | Motor junction box of embedded die-cast structure and manufacturing method of motor junction box |
| CN109936244A (en) * | 2019-04-30 | 2019-06-25 | 中达电机股份有限公司 | A kind of anti-explosion terminal box |
| CN111953119A (en) * | 2020-08-07 | 2020-11-17 | 山东众泰防爆电机股份有限公司 | Special explosion-proof motor for plunger pump and process |
| CN113922570A (en) * | 2021-10-21 | 2022-01-11 | 卧龙电气南阳防爆集团股份有限公司 | Side upper outlet motor junction box with explosion-proof level simultaneously meeting dIIBT4 and dIICT4 |
| CN113922570B (en) * | 2021-10-21 | 2024-05-28 | 卧龙电气南阳防爆集团股份有限公司 | Lateral outgoing line motor junction box with explosion-proof level simultaneously meeting dIIBT and dIICT4 |
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Application publication date: 20141119 |
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| WD01 | Invention patent application deemed withdrawn after publication |