CN109510372A - A kind of explosion-proof electric machine terminal box - Google Patents
A kind of explosion-proof electric machine terminal box Download PDFInfo
- Publication number
- CN109510372A CN109510372A CN201811437716.2A CN201811437716A CN109510372A CN 109510372 A CN109510372 A CN 109510372A CN 201811437716 A CN201811437716 A CN 201811437716A CN 109510372 A CN109510372 A CN 109510372A
- Authority
- CN
- China
- Prior art keywords
- terminal box
- silica gel
- gel sheath
- explosion
- electric machine
- 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
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Abstract
The invention discloses a kind of explosion-proof electric machine terminal boxes, its structure includes outer housing, aluminium heat sink strip and footing, the invention has the following beneficial effects: by being provided with Junction box assembly, it will be mutually inserted on the inside of terminal box body and terminal box base when in use, then it is fixed using one side with the protective baffle plate of silicagel pad, when can encounter vibration when in use, the shock-absorbing spring of inside bottom can reduce the vibration of Junction box assembly, realize the protection to motor and terminal box wiring, solves the wiring that junction box is often influenced whether when motor is shaken, the problem of leading to electrical fault, provided with sealed wiring column, rise hollow electric pushrod when use, there is the silica gel sheath of protecting film to be mutually inserted with triple layer belt, motor and terminal box can be connected with each other by electric wire by hollow push rod, and it will not reveal, it solves The problem of binding post insulating properties in the terminal box of fire-proof motor reduces, binding post surface carbonation.
Description
Technical field
The present invention relates to fire-proof motor ancillary technique field, in particular to a kind of explosion-proof electric machine terminal box.
Background technique
Fire-proof motor is that one kind can not generate electric spark in a kind of motor used in inflammable and explosive factory, operation, is adopted
With flameproof enclosure there may be the explosive gas mixture of the electric part of spark, electric arc and dangerous temperature and surrounding every
It opens, still, this shell is not sealing, and the explosive gas mixture of surrounding can be engaged by each section of shell
Face, gap enter inside motor, due in the terminal box of fire-proof motor the reduction of binding post insulating properties, binding post surface carbonation,
The reasons such as conductive dust is excessive in terminal box, will lead to wiring intercolumniation and generate spark, electric arc etc., and electric arc or electrical fire Huadu are strong
Incendiary source encounters volatile dust or gas, it is possible to it to explode, and existing binding post is all directly to weld,
The wiring that junction box is often influenced whether when motor is shaken, leads to electrical fault.
Summary of the invention
The main purpose of the present invention is to provide a kind of explosion-proof electric machine terminal boxes, to solve the terminal box of fire-proof motor
In binding post insulating properties reduce, binding post surface carbonation, and when motor is shaken, often influences whether junction box
Wiring, the problem of leading to electrical fault.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of explosion-proof electric machine terminal box, including outer housing, aluminium heat sink strip, footing, Junction box assembly and sealed wiring column, institute
It states outer housing right side to be welded with aluminium heat sink strip, the outer housing bottom face is welded with footing, the outer housing top
End face front is welded with Junction box assembly, and outer housing top end face front is mutually inserted with sealed wiring column, and close
Sealing-in terminal is located at Junction box assembly bottom, and the Junction box assembly includes terminal box base, terminal box body, top cover, protection
Baffle, shock-absorbing spring and bottom plate, the terminal box base middle inside are mutually inserted with terminal box body, the terminal box base
Inside front ends are bolted by nut and protective baffle plate, are mutually socketed at the top of the terminal box body with top cover, described
Terminal box body bottom is welded with shock-absorbing spring, and the shock-absorbing spring bottom is welded with bottom plate, the terminal box bottom
Seat is connected with outer housing, and the sealed wiring column includes the first silica gel sheath, the second silica gel sheath, third silica gel sheath and miniature electric
Push rod, the first silica gel sheath inside bottom are mutually bonded with the second silica gel sheath, the second silica gel sheath inside bottom and third
Silica gel sheath is mutually bonded, and the third silica gel sheath middle inside is mutually inserted with miniature electromotive handspike, the miniature electromotive handspike
It is connected with outer housing, the miniature electromotive handspike is electrically connected to a power source.
Preferably, the bottom of the terminal box body is in hollow out state, and there are the slot of recess, and bottom in lower section in inside
The shock-absorbing spring width in portion is 2cm.
Preferably, there is the inserted block that protrusion length is 2cm in top in the terminal box base inside.
Preferably, first silica gel sheath, the second silica gel sheath, third silica gel sheath and miniature electromotive handspike are provided with two
It is a, and each first silica gel sheath, the second silica gel sheath, third silica gel sheath and miniature electromotive handspike form a sealed wiring column.
It preferably, is hollow state inside the miniature electromotive handspike.
Preferably, one is provided with inside first silica gel sheath, the second silica gel sheath and third silica gel sheath wrap up in mantle, and
And first silica gel sheath protrude into bottom 5mm on the inside of terminal box body.
Preferably, the protective baffle plate and terminal box base connecting end surface are bonded with one layer of silicagel pad.
Preferably, the surrounding of the top cover is greater than terminal box body 1cm, and tilts down 45 degree.
Compared with prior art, the invention has the following beneficial effects: by being provided with Junction box assembly, when in use will
It is mutually inserted on the inside of terminal box body and terminal box base, is then fixed using one side with the protective baffle plate of silicagel pad,
When can encounter vibration when in use, the shock-absorbing spring of inside bottom can reduce the vibration of Junction box assembly, realize to motor
With the protection of terminal box wiring, solves the wiring for often influencing whether junction box when motor is shaken, lead to motor
The problem of failure, is provided with sealed wiring column, and when use rises hollow electric pushrod, there is the silica gel sheath phase of protecting film with triple layer belt
Mutual grafting, motor and terminal box can be connected with each other by electric wire by hollow push rod, and will not be revealed, and solve fire-proof motor
Terminal box in binding post insulating properties reduce, binding post surface carbonation the problem of.
Detailed description of the invention
Fig. 1 is front view of the invention；
Fig. 2 is right view of the invention；
Fig. 3 is Junction box assembly structural schematic diagram of the invention；
Fig. 4 is sealed wiring rod structure schematic diagram of the invention；
Fig. 5 is terminal box body top view of the invention；
In figure: outer housing -1, aluminium heat sink strip -2, footing -3, Junction box assembly -4, sealed wiring column -5, terminal box base -401,
Terminal box body -402, top cover -403, protective baffle plate -404, shock-absorbing spring -405, bottom plate -406, the first silica gel sheath -501,
Second silica gel set -502, third silica gel sheath -503, miniature electromotive handspike -504.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in Figs. 1-5, a kind of explosion-proof electric machine terminal box, including outer housing 1, aluminium heat sink strip 2, footing 3, terminal box
Device 4 and sealed wiring column 5,1 right side of outer housing are welded with aluminium heat sink strip 2, and 1 bottom face of outer housing and footing 3 carry out
Welding, 1 top end face front of outer housing are welded with Junction box assembly 4,1 top end face front of outer housing and 5 phase of sealed wiring column
Mutual grafting, and sealed wiring column 5 is located at 4 bottom of Junction box assembly, and Junction box assembly 4 includes terminal box base 401, terminal box
Box body 402, top cover 403, protective baffle plate 404, shock-absorbing spring 405 and bottom plate 406,401 middle inside of terminal box base and wiring
Box box body 402 is mutually inserted, and 401 inside front ends of terminal box base are bolted by nut with protective baffle plate 404, wiring
402 top of box box body is mutually socketed with top cover 403, and 402 bottom of terminal box body is welded with shock-absorbing spring 405, vibration damping bullet
405 bottom of spring is welded with bottom plate 406, and terminal box base 401 is connected with outer housing 1, and sealed wiring column 5 includes the first silicon
Gum cover 501, the second silica gel sheath 502, third silica gel sheath 503 and miniature electromotive handspike 504,501 inside bottom of the first silica gel sheath with
Second silica gel sheath 502 is mutually bonded, and 502 inside bottom of the second silica gel sheath is mutually bonded with third silica gel sheath 503, third silica gel sheath
503 middle insides are mutually inserted with miniature electromotive handspike 504, and miniature electromotive handspike 504 is connected with outer housing 1, miniature electric
Push rod 504 is electrically connected to a power source.
Wherein, the bottom of the terminal box body 402 is in hollow out state, and there is the slot of recess in lower section in inside,
And 405 width of shock-absorbing spring of bottom is 2cm, and bottom is free while terminal box body 402 is connect with terminal box base 401
Between can be connected with sealed wiring column 5, and shock-absorbing spring 405 can play cushioning effect.
Wherein, there is the inserted block that protrusion length is 2cm in top in 401 inside of terminal box base, can be with terminal box box
Body 402 is mutually inserted.
Wherein, first silica gel sheath 501, the second silica gel sheath 502, third silica gel sheath 503 and miniature electromotive handspike 504 are equal
There are two settings, and each first silica gel sheath 501, the second silica gel sheath 502, third silica gel sheath 503 and miniature electromotive handspike 504
A sealed wiring column 5 is formed, a termination can be formed.
Wherein, it is hollow state inside the miniature electromotive handspike 504, electric wire can be accessed.
Wherein, one is provided with inside first silica gel sheath 501, the second silica gel sheath 502 and third silica gel sheath 503 to wrap up in
Mantle, and the first silica gel sheath 501 protrudes into bottom 5mm in the inside of terminal box body 402, can pre- dust protection, etc. flammable gas
Body etc. enters.
Wherein, the protective baffle plate 404 is bonded with one layer of silicagel pad with 401 connecting end surface of terminal box base, can fix
Terminal box base 401 and play buffer function.
Wherein, the surrounding of the top cover 403 is greater than terminal box body 4021cm, and tilts down 45 degree.
Shock-absorbing spring 405 described in this patent is common elastic original part, is extensively applied to various vibratory equipments, has and stablize
The advantages that good, low noise of property, vibration isolating effect good long service life, shock-absorbing spring has compressed spring, rubber spring, complex spring,
Air bag spring etc., miniature electromotive handspike 504 also known as linear actuator, mainly by mechanisms such as motor push rod and control devices
A kind of novel linear executing agency of composition, it is believed that be a kind of extension of the rotating electric machine in configuration aspects.
Working principle: will will be mutually inserted on the inside of terminal box body 402 and terminal box base 401 when in use when use,
Because there is the inserted block that protrusion length is 2cm in top in 401 inside of terminal box base, and the bottom of terminal box body 402 is in engrave
Dummy status, and there is the slot of recess in lower section in inside, and 405 width of shock-absorbing spring of bottom is 2cm, terminal box body
402 bottoms while be mutually inserted with terminal box base 401 have space that can be connected with sealed wiring column 5, and vibration damping bullet
Spring 405 can play cushioning effect, then one side can have in the protective baffle plate 404 and terminal box base 401 of silicagel pad
Side is mutually inserted then use and is fixed, and when can encounter vibration when in use, the shock-absorbing spring 405 of inside bottom can subtract
The vibration of few Junction box assembly, realizes the protection to motor and terminal box wiring, not only motor is prevented to be shaken Shi Huiying
The problem of wiring of sound to junction box leads to electrical fault, safety when use is also ensured, power supply is then accessed, used
Shi Shangsheng miniature electromotive handspike 504 is mutually inserted with the first silica gel sheath 501, the second silica gel sheath 502 and third silica gel sheath 503, and
And one is provided with inside first silica gel sheath 501, the second silica gel sheath 502 and third silica gel sheath 503 and wraps up in mantle, and the first silicon
Gum cover 501 protrudes into bottom 5mm in the inside of terminal box body 402, can pre- dust protection, etc. imflammable gas etc. enter, Er Qiewei
It is hollow state inside type electric pushrod 504, can be used to access electric wire, electric wire can will be electric by miniature electromotive handspike 504
Machine and terminal box are connected with each other, and will not be revealed, and solving the binding post insulating properties in the terminal box of fire-proof motor reduces, connects
The problem of terminal surface carbonation, safety when substantially prolonging the service life of motor and ensuring use.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of explosion-proof electric machine terminal box, including outer housing (1), aluminium heat sink strip (2) and footing (3), it is characterised in that: also
Including Junction box assembly (4) and sealed wiring column (5), outer housing (1) right side is welded with aluminium heat sink strip (2), institute
It states outer housing (1) bottom face to be welded with footing (3), outer housing (1) the top end face front and Junction box assembly (4) carry out
Welding, outer housing (1) the top end face front is mutually inserted with sealed wiring column (5), and sealed wiring column (5) is located at wiring
Box device (4) bottom, the Junction box assembly (4) include terminal box base (401), terminal box body (402), top cover (403),
Protective baffle plate (404), shock-absorbing spring (405) and bottom plate (406), terminal box base (401) middle inside and terminal box box
Body (402) is mutually inserted, and terminal box base (401) inside front ends carry out bolt company by nut and protective baffle plate (404)
It connects, is mutually socketed at the top of the terminal box body (402) with top cover (403), terminal box body (402) bottom and vibration damping bullet
Spring (405) is welded, and shock-absorbing spring (405) bottom is welded with bottom plate (406), the terminal box base (401)
It is connected with outer housing (1), the sealed wiring column (5) includes the first silica gel sheath (501), the second silica gel sheath (502), third silicon
Gum cover (503) and miniature electromotive handspike (504), the first silica gel sheath (501) inside bottom and the second silica gel sheath (502) are mutual
Bonding, the second silica gel sheath (502) inside bottom are mutually bonded with third silica gel sheath (503), the third silica gel sheath (503)
Middle inside is mutually inserted with miniature electromotive handspike (504), and the miniature electromotive handspike (504) is connected with outer housing (1), institute
Miniature electromotive handspike (504) is stated to be electrically connected to a power source.
2. a kind of explosion-proof electric machine terminal box according to claim 1, it is characterised in that: the terminal box body
(402) bottom is in hollow out state, and there is the slot of recess in lower section in inside, and the shock-absorbing spring (405) of bottom is wide
Degree is 2cm.
3. a kind of explosion-proof electric machine terminal box according to claim 1, it is characterised in that: the terminal box base
(401) there is the inserted block that protrusion length is 2cm in top in inside.
4. a kind of explosion-proof electric machine terminal box according to claim 1, it is characterised in that: first silica gel sheath
(501), there are two the second silica gel sheath (502), third silica gel sheath (503) and miniature electromotive handspike (504) are respectively provided with, and it is each
First silica gel sheath (501), the second silica gel sheath (502), third silica gel sheath (503) and miniature electromotive handspike (504) composition one are close
Sealing-in terminal (5).
5. a kind of explosion-proof electric machine terminal box according to claim 1, it is characterised in that: the miniature electromotive handspike
(504) internal is hollow state.
6. a kind of explosion-proof electric machine terminal box according to claim 1, it is characterised in that: first silica gel sheath
(501), the second silica gel sheath (502) and third silica gel sheath (503) inside are provided with one and wrap up in mantle, and the first silica gel sheath
(501) bottom 5mm on the inside of terminal box body (402) is protruded into.
7. a kind of explosion-proof electric machine terminal box according to claim 1, it is characterised in that: the protective baffle plate (404)
One layer of silicagel pad is bonded with terminal box base (401) connecting end surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811437716.2A CN109510372A (en) | 2018-11-29 | 2018-11-29 | A kind of explosion-proof electric machine terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811437716.2A CN109510372A (en) | 2018-11-29 | 2018-11-29 | A kind of explosion-proof electric machine terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109510372A true CN109510372A (en) | 2019-03-22 |
Family
ID=65751097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811437716.2A Pending CN109510372A (en) | 2018-11-29 | 2018-11-29 | A kind of explosion-proof electric machine terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109510372A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266169A (en) * | 2019-06-28 | 2019-09-20 | 常逸坤 | A kind of acoustic control DC brushless motor |
-
2018
- 2018-11-29 CN CN201811437716.2A patent/CN109510372A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266169A (en) * | 2019-06-28 | 2019-09-20 | 常逸坤 | A kind of acoustic control DC brushless motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190322 |
|
| WD01 | Invention patent application deemed withdrawn after publication |