CN108683287A - A kind of junction box structure of electrical machine - Google Patents
A kind of junction box structure of electrical machine Download PDFInfo
- Publication number
- CN108683287A CN108683287A CN201810869827.4A CN201810869827A CN108683287A CN 108683287 A CN108683287 A CN 108683287A CN 201810869827 A CN201810869827 A CN 201810869827A CN 108683287 A CN108683287 A CN 108683287A
- Authority
- CN
- China
- Prior art keywords
- lower section
- binding post
- cylinder
- nut
- junction box
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
Abstract
The present invention discloses a kind of junction box structure of electrical machine, including junction box seat, junction block, binding post, and wiring seat material is that unsaturated polyester plastic high voltage insulating materials are suppressed；The binding post that setting height does not wait on junction block；Wiring column material is H62 brass and electroplate, and binding post uses binding post gland nut form, cable to be directly connected on gland nut, connect with binding post by gland nut, realizes conducting function.Advantages of the present invention：The volume of terminal box is reduced, the mode of connection saves attacker, directly uses housing screw, facilitates terminal block, improve the runnability of motor.
Description
Technical field
The present invention relates to motor field, specifically a kind of realization power is big, the small general terminal box of terminal box
Structure.
Background technology
Underground mine use Flame-Proof Three-Phase Induction Motors are more and more tighter with the requirement of space structure, it is desirable that power is big,
Small motor is more and more, and the volume requirement of terminal box occupied space is also increasingly stringenter.General terminal box uses wiring
Cassette holder, terminal plate, binding post form, terminal plate are steel-casting, and binding post is that attacker's form connects leader cable.To ensure electric equipment compartment
Gap and creepage distance, terminal box spatial volume is big, and structure is cumbersome.And different voltages, the terminal box of different electric currents can use big
The terminal plate and binding post for measuring different size make terminal box processing cost increase.It needs to design a kind of novel terminal box knot thus
Structure.
Invention content
The object of the present invention is to provide a kind of new junction box structure, specific technical solution is as follows：
A kind of junction box structure of electrical machine, including junction box seat, junction block, binding post, wiring seat material are unsaturated polyester (UP)
Plastic high voltage insulating materials is suppressed；The binding post that setting height does not wait on junction block；Wiring column material be H62 brass and
Electroplate, binding post use binding post gland nut form, and cable is directly connected on gland nut, by gland nut with
Binding post connects, and realizes conducting function.Ensure main terminal electric clearance and creepage distance using step and cylindrical form.
Binding post uses two-piece unit form, including the cylinder of lower section and the gland nut of top, the gland nut
Blind hole is arranged in lower section, and the top of cylinder is inserted into the blind hole of gland nut, and wire guide, conducting wire is arranged in the top of the gland nut
Fixing threaded hole is arranged in the upper vertical direction in hole, and screw screws in the fixing threaded hole and conducting wire is pressed in wire guide；It is fixed
Spring card slot is arranged in the outer upper of swivel nut, and the shape of spring card slot is that straightway is combined with arc section, the spring card slot
The depth of straightway is more than the wall thickness of blind hole, is arranged clamp spring in the spring card slot, the shape of the clamp spring be also straightway with
Arc section combines, and the straightway of clamp spring is abutted with the annular groove on the cylinder top stretched into blind hole；Under the outside of the blind hole
Portion is taper surface, and Fixing shrink ring is located at the outside of blind hole,
The lower section setting lower section wiring hole of the cylinder, the conducting wire of lower section are inserted into the lower section wiring hole, lower section wiring
Fixing threaded hole is arranged in the side wall in hole, and screw screws in fixed blind hole and conducting wire is fixed in the wiring hole of lower section, set on the outside of cylinder
It sets in junction block；It is threaded on the outside of the centre position of cylinder, nut is screwed on the screw thread, the top of nut and fixation
The lower section of ring abuts.
The lower section setting spring washer and plain cushion of nut.
Sealing ring is set between the outside and junction block of cylinder.
According to the terminal base structure of design, it can extend and be divided into univoltage (3300V and following), twin voltage (660/
1140V) and double speed univoltage (1140V and following) and double speed twin voltage (660/1140V) structure.
Advantages of the present invention：1. reducing the volume of terminal box in design, the mode of connection saves attacker, directly using compression
Screw facilitates terminal block.2. under a kind of voltage, complement wiring column can adapt to a variety of electric currents, it is various to reduce product parts, multiple
Miscellaneous situation.3. simple in structure, simple processing, suitable for mass production after putting into production.4. having saved production cost, and processing
Time, and adapt to coal mine unit instantly and the form of fire-proof motor space structure anxiety, terminal box volume are greatly reduced, improved
The runnability of motor.
Description of the drawings
Fig. 1 is the overall structure diagram of junction block；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the structural schematic diagram of binding post；
Fig. 4 is the directions the A-A schematic cross-section of Fig. 3.
Specific implementation mode
The present invention is illustrated below in conjunction with the accompanying drawings, as shown, the present invention includes junction box seat 1, junction block 3, wiring
Column 2,3 material of junction block are that unsaturated polyester plastic high voltage insulating materials (DMC) are suppressed；Setting height differs on junction block
Binding post；Wiring column material is the brass that the trade mark is H62 and electroplate, and binding post uses binding post gland nut shape
Formula, cable are directly connected on gland nut, are connect with binding post by gland nut, realize conducting function.
Ensure main terminal electric clearance and creepage distance using step and cylindrical form.
Binding post uses two-piece unit form, including the cylinder 4 of lower section and the gland nut 5 of top, the gland nut 5
Lower section blind hole 51 is set, the top of cylinder 4 is inserted into the blind hole 51 of gland nut, and the top setting of the gland nut 5 is led
Fixing threaded hole 53 is arranged in the upper vertical direction of string holes 52, wire guide 52, and screw 13 screws in conducting wire in the fixing threaded hole 53
14 are pressed in wire guide 52；Spring card slot 6 is arranged in the outer upper of fixed swivel nut 5, and the shape of spring card slot 6 is straightway 61
It is combined with arc section 62, the depth of the straightway 61 of the spring card slot is more than the wall thickness of blind hole 51 to ensure clamp spring 16 and cylinder
The contact of 4 tops, the spring card slot is interior to be arranged clamp spring 16, and the shape of the clamp spring is also straightway 63 and 64 knot of arc section
It closes, the straightway 63 of clamp spring 16 is abutted with the annular groove on 4 top of cylinder stretched into blind hole；The outer lower portion of the blind hole is
Taper surface 9, Fixing shrink ring 7 are located at the outside of blind hole,
The lower section setting lower section wiring hole of the cylinder 4, the conducting wire of lower section are inserted into the lower section wiring hole, lower section wiring
Fixing threaded hole is arranged in the side wall in hole, and screw 13 screws in fixed blind hole and conducting wire is fixed in the wiring hole of lower section, the outside of cylinder
It is arranged in junction block 3；It is threaded on the outside of the centre position of cylinder, nut 8 is screwed on the screw thread, the top of nut 8
It is abutted with the lower section of fixed ring 7；Fixed ring is driven to move up by the rotation of nut, and moving up for fixed ring makes taper surface 9
Inside is tightened, and will be clamped above cylinder, the gap of the side wall setting upper and lower directions of taper surface.
The lower section setting spring washer 10 and plain cushion 11 of nut.
Sealing ring 12 is set between the outside and junction block of cylinder.
The side contacted with junction block below cylinder is explosion-proof face.
Claims (5)
1. a kind of junction box structure of electrical machine, including junction box seat, junction block, binding post, it is characterised in that：Wiring seat material is not
Saturated polyester plastic high voltage insulating materials is suppressed；The binding post that setting height does not wait on junction block；Wiring column material is H62
Brass and electroplate, binding post use binding post gland nut form, cable to be directly connected on gland nut, pass through pressure
Tight swivel nut is connect with binding post, realizes conducting function.
2. junction box structure of electrical machine according to claim 1, it is characterised in that：Ensure that master connects using step and cylindrical form
Terminal electric clearance and creepage distance.
3. junction box structure of electrical machine according to claim 1, it is characterised in that：Binding post uses two-piece unit form, packet
The cylinder of lower section and the gland nut of top are included, blind hole is arranged in the lower section of the gland nut, and the top of cylinder, which is inserted into, compresses spiral shell
In the blind hole of set, wire guide is arranged in the top of the gland nut, and fixing threaded hole, screw is arranged in the upper vertical direction of wire guide
It screws in the fixing threaded hole and conducting wire is pressed in wire guide；Spring card slot, Spring Card is arranged in the outer upper of fixed swivel nut
The shape of slot is that straightway is combined with arc section, and the depth of the straightway of the spring card slot is more than the wall thickness of blind hole, the bullet
Clamp spring is set in spring card slot, the shape of the clamp spring is also that straightway is combined with arc section, the straightway of clamp spring with stretch into blind hole
Annular groove on above interior cylinder abuts；The outer lower portion of the blind hole is taper surface, and Fixing shrink ring is located at the outside of blind hole,
The lower section setting lower section wiring hole of the cylinder, the conducting wire of lower section are inserted into the lower section wiring hole, lower section wiring hole
Fixing threaded hole is arranged in side wall, and screw screws in fixed blind hole and conducting wire is fixed in the wiring hole of lower section, and the outside setting of cylinder exists
In junction block；It is threaded on the outside of the centre position of cylinder, nut is screwed on the screw thread, the top of nut and fixed ring
Lower section abuts.
4. junction box structure of electrical machine according to claim 1, it is characterised in that：Spring washer is arranged in the lower section of nut.
5. junction box structure of electrical machine according to claim 1, it is characterised in that：It is arranged between the outside and junction block of cylinder close
Seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869827.4A CN108683287A (en) | 2018-08-02 | 2018-08-02 | A kind of junction box structure of electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869827.4A CN108683287A (en) | 2018-08-02 | 2018-08-02 | A kind of junction box structure of electrical machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108683287A true CN108683287A (en) | 2018-10-19 |
Family
ID=63815235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810869827.4A Pending CN108683287A (en) | 2018-08-02 | 2018-08-02 | A kind of junction box structure of electrical machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108683287A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088505A (en) * | 2018-11-07 | 2018-12-25 | 珠海格力电器股份有限公司 | A kind of motor wire-connecting board and its mode of connection of detachable and interchangeable binding post |
| 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 |
| CN113193682A (en) * | 2021-05-21 | 2021-07-30 | 上海盘毂动力科技股份有限公司 | Insulation sealing structure of motor stator lead-out wire |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201327880Y (en) * | 2009-04-22 | 2009-10-14 | 华创天元实业发展有限责任公司 | Self-locking welding wiring terminal |
| CN201466859U (en) * | 2009-07-07 | 2010-05-12 | 南阳防爆集团股份有限公司 | Low-voltage high-capacity flameproof motor terminal box |
| CN201774366U (en) * | 2010-09-01 | 2011-03-23 | 南阳防爆集团股份有限公司 | Terminal box for mine flameproof high-voltage motor |
| CN201813247U (en) * | 2010-08-23 | 2011-04-27 | 南阳防爆集团股份有限公司 | Cable lead connection structure of junction box of explosion-proof blower motor |
| CN105449381A (en) * | 2015-12-30 | 2016-03-30 | 深圳市泰昂能源科技股份有限公司 | Cable connection module and electric control equipment |
| CN105958719A (en) * | 2016-06-21 | 2016-09-21 | 中达电机股份有限公司 | Large-space four-stage explosion-suppression junction box |
| CN207250772U (en) * | 2017-09-28 | 2018-04-17 | 赵海浩 | A kind of wiring crimping shrapnel |
| CN208522582U (en) * | 2018-08-02 | 2019-02-19 | 抚顺煤矿电机制造有限责任公司 | A kind of junction box structure of electrical machine |
-
2018
- 2018-08-02 CN CN201810869827.4A patent/CN108683287A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201327880Y (en) * | 2009-04-22 | 2009-10-14 | 华创天元实业发展有限责任公司 | Self-locking welding wiring terminal |
| CN201466859U (en) * | 2009-07-07 | 2010-05-12 | 南阳防爆集团股份有限公司 | Low-voltage high-capacity flameproof motor terminal box |
| CN201813247U (en) * | 2010-08-23 | 2011-04-27 | 南阳防爆集团股份有限公司 | Cable lead connection structure of junction box of explosion-proof blower motor |
| CN201774366U (en) * | 2010-09-01 | 2011-03-23 | 南阳防爆集团股份有限公司 | Terminal box for mine flameproof high-voltage motor |
| CN105449381A (en) * | 2015-12-30 | 2016-03-30 | 深圳市泰昂能源科技股份有限公司 | Cable connection module and electric control equipment |
| CN105958719A (en) * | 2016-06-21 | 2016-09-21 | 中达电机股份有限公司 | Large-space four-stage explosion-suppression junction box |
| CN207250772U (en) * | 2017-09-28 | 2018-04-17 | 赵海浩 | A kind of wiring crimping shrapnel |
| CN208522582U (en) * | 2018-08-02 | 2019-02-19 | 抚顺煤矿电机制造有限责任公司 | A kind of junction box structure of electrical machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088505A (en) * | 2018-11-07 | 2018-12-25 | 珠海格力电器股份有限公司 | A kind of motor wire-connecting board and its mode of connection of detachable and interchangeable binding post |
| 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 |
| CN111835129B (en) * | 2020-06-23 | 2023-05-23 | 哈尔滨电气动力装备有限公司 | Small-sized pressure-resistant outlet box for nuclear power shielding motor |
| CN113193682A (en) * | 2021-05-21 | 2021-07-30 | 上海盘毂动力科技股份有限公司 | Insulation sealing structure of motor stator lead-out wire |
| CN113193682B (en) * | 2021-05-21 | 2023-06-30 | 上海盘毂动力科技股份有限公司 | Insulation sealing structure of motor stator outgoing line |
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