CN208256988U - A kind of Three phase plug - Google Patents
A kind of Three phase plug Download PDFInfo
- Publication number
- CN208256988U CN208256988U CN201820870937.8U CN201820870937U CN208256988U CN 208256988 U CN208256988 U CN 208256988U CN 201820870937 U CN201820870937 U CN 201820870937U CN 208256988 U CN208256988 U CN 208256988U
- Authority
- CN
- China
- Prior art keywords
- power supply
- plug body
- protection shell
- cutting
- safeguard protection
- 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.)
- Expired - Fee Related
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Abstract
A kind of Three phase plug; including plug body; the front end of the plug body is equipped with power supply cutting; external power cord is installed on rear side of the plug body; the power supply cutting is electrically connected with the external power cord, and the front end of the plug body is equipped with safeguard protection shell, and the safeguard protection shell is slidably connected with the plug body; reset spring is equipped in the plug body, the safeguard protection shell is in contact with the reset spring.The beneficial effect is that: in plug electrification, realizes and the real-time of cutting is hidden, guarantee using safe.
Description
Technical field
The utility model relates to socket accessories field, especially a kind of Three phase plug.
Background technique
The cutting of power supply front end has certain length, in swapping process, it may appear that socket is extracted in part cutting, but whole
The case where body plug still charges is very easy to cause danger in this case.Existing power supply accessory manufacturing enterprise to this
Solution is that security component is arranged inside socket, and cutting, which needs to first pass through security component, to connect with socket, main
Principle is to provide certain resistance by security component in insertion, and cutting can be inserted into socket after overcoming resistance moment, " will divide and insert
Item extracts socket, but whole plug still charges " time be reduced to it is extremely short.But such structure design still then many situations
Take into account less than.First is that the plug of electrical appliance is unique, but socket is not fixation, does not ensure that all sockets are all
Safety socket, the safety for being only improved electrical appliance plug, which just can ensure that, to be perfectly safe；Second is that when pulling the plug out of the socket, the peace of socket
Whole assembly can not play a role, however it remains dangerous.
Summary of the invention
Purpose of the utility model is to solve the above problems, devise a kind of safe 3-phase plug.Specific design side
Case are as follows:
A kind of Three phase plug, including plug body, the front end of the plug body is equipped with power supply cutting, described to insert
External power cord is installed on rear side of head shell, the power supply cutting is electrically connected with the external power cord, the plug body
Front end safeguard protection shell is installed, the safeguard protection shell is slidably connected with the plug body, sets in the plug body
There is reset spring, the safeguard protection shell is in contact with the reset spring, and the quantity of the power supply cutting is three, including two
A power supply cutting and a protection power source cutting, in the rear end of the power supply cutting, side and the plug body
Wall is fixedly connected, and the front of the protection power source cutting is embedded in the plug body, and institute is run through in the front end of the power supply cutting
State safeguard protection shell.
The safeguard protection shell is in box-like structure, and the rear end of the safeguard protection shell is embedded in the plug body, described
Safeguard protection shell can slide along the longitudinal direction.
The reset spring is pressure spring, and the reset spring is axially distributed along the front and back, the rear end of the reset spring
It is fixedly connected with inside the plug body, the reset spring front end is fixedly connected with the safeguard protection shell.
The safeguard protection shell is insulation protection shell, includes power source cavity, reseting cavity, the outside inside the plug body
Power supply line, power supply cutting are located in the power source cavity, and the reset spring is located in the reseting cavity, the power source cavity, reset
Chamber is insulation and obturation cavity.
The quantity of the external power cord is three, including two power external power supply lines and a grounded outer power supply
The rear end of line, three external power cords is closed up, the whole knot in Y-shape of front end fork of described two power external power supply lines
The rear end of the plug body is run through in structure, the rear end of the external power cord, and two power external power supply lines are respectively with two
A power supply cutting electrical connection, the grounded outer power supply line are electrically connected with the protection power source cutting.
A kind of Three phase plug obtained by the above-mentioned technical proposal of the utility model, the beneficial effect is that:
In plug electrification, realizes and the real-time of cutting is hidden, guarantee using safe.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Three phase plug described in the utility model；
Fig. 2 is the structural schematic diagram after a kind of Three phase plug insertion socket described in the utility model；
In figure, 1, plug body；2, power supply cutting；2a, power supply cutting；2b, protection power source cutting 3, external power supply
Line；3a, power external power supply line；3b, grounded outer power supply line；4, safeguard protection shell；5, reset spring；6, power source cavity；7, multiple
Position chamber；8, socket.
Specific embodiment
The utility model is specifically described with reference to the accompanying drawing.
Fig. 1 is a kind of structural schematic diagram of Three phase plug described in the utility model, as shown in Figure 1, one kind novel three
Phase plug, including plug body 1, the front end of the plug body 1 are equipped with power supply cutting 2, the rear side peace of the plug body 1
Equipped with external power cord 3, the power supply cutting 2 is electrically connected with the external power cord 3, the front end installation of the plug body 1
There is safeguard protection shell 4, the safeguard protection shell is slidably connected with the plug body 1, is equipped in the plug body 1 and resets bullet
Spring 5, the safeguard protection shell 4 are in contact with the reset spring 5, and the quantity of the power supply cutting 2 is three, including two confessions
The rear end of power supply cutting 2a and protection power source cutting a 2b, the power supply cutting 2a, side and the plug body 1
Inner wall is fixedly connected, and the front of the protection power source cutting 2b is embedded in the plug body 1, the front end of the power supply cutting 2
Through the safeguard protection shell 4.
The safeguard protection shell 4 is in box-like structure, and the rear end of the safeguard protection shell 4 is embedded in the plug body 1, institute
Stating safeguard protection shell 4 can slide along the longitudinal direction.
The reset spring 5 is pressure spring, and the reset spring 5 is axial to be distributed along the front and back, after the reset spring 5
It holds and is fixedly connected inside the plug body 1,5 front end of reset spring is fixedly connected with the safeguard protection shell 4.
The safeguard protection shell 4 is insulation protection shell, includes power source cavity 6, reseting cavity 7 inside the plug body 1, described
External power cord 3, power supply cutting 2 are located in the power source cavity 6, and the reset spring 5 is located in the reseting cavity 7, the electricity
Source chamber 6, reseting cavity 7 are insulation and obturation cavity.
The quantity of the external power cord 3 is three, including two power external power supply line 3a and a grounded outer electricity
The rear end of source line 3b, three external power cords 3 are closed up, and the front end fork of described two power external power supply line 3a is whole to be in
The rear end of the plug body 1, two power external power supply lines are run through in Y-shaped structure, the rear end of the external power cord 3
3a is electrically connected with two power supply cutting 2a respectively, the grounded outer power supply line 3b and the protection power source cutting 2b
Electrical connection.
Fig. 2 is the structural schematic diagram after a kind of Three phase plug insertion socket described in the utility model, as shown in Fig. 2,
When needing to connect electricity, the safeguard protection shell 4 is first resisted into socket 8, makes to pass through between 8 inside of socket and 1 inside of plug body
One closed safeguard protection shell 4 is connected to, and then presses down on plug body 1, and the reset spring 5 gradually reduces, the peace
All risk insurance protective case 4 is gradually embedded in plug body 1, and the power supply cutting 2 is slowly through the front end of the safeguard protection shell 4 and insertion
In socket 8.
When extraction, under the action of reset spring 5, the safeguard protection shell 4 slowly spring plug shell 1, and it is described
The front end of safeguard protection shell 4 keeps gradually submerging institute during extraction with the contact of the socket 8, power supply cutting 2 in real time
It states in safeguard protection shell 4.
When production, the reset spring 5 that spring ratio and length and power supply cutting 2 need to be selected to be adapted, to guarantee that power supply is inserted
Active force between item 2 and socket 8 can be fixed, will not because of reset spring 5 elastic force it is excessive and be pulled out.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art
Personnel embody the principles of the present invention to some variations that some of them part may be made, and belong to the utility model
Protection scope within.
Claims (5)
1. the front end of a kind of Three phase plug, including plug body (1), the plug body (1) is equipped with power supply cutting
(2), it is equipped with external power cord (3) on rear side of the plug body (1), the power supply cutting (2) and the external power cord
(3) it is electrically connected, which is characterized in that the front end of the plug body (1) is equipped with safeguard protection shell (4), the safeguard protection shell
It is slidably connected with the plug body (1), is equipped with reset spring (5) in the plug body (1), the safeguard protection shell (4)
It is in contact with the reset spring (5), the quantity of the power supply cutting (2) is three, including two power supply cuttings (2a)
With a protection power source cutting (2b), the rear end of the power supply cutting (2a), side and the plug body (1) inner wall are solid
The front of fixed connection, the protection power source cutting (2b) is embedded in the plug body (1), the front end of the power supply cutting (2)
Through the safeguard protection shell (4).
2. a kind of Three phase plug according to claim 1, which is characterized in that the safeguard protection shell (4) is in box
The rear end of assembling structure, the safeguard protection shell (4) is embedded in the plug body (1), and the safeguard protection shell (4) can be along preceding
Rear direction sliding.
3. a kind of Three phase plug according to claim 1, which is characterized in that the reset spring (5) is pressure spring,
The reset spring (5) is axially distributed along the front and back, and the rear end and the plug body (1) of the reset spring (5) are internal
It is fixedly connected, reset spring (5) front end is fixedly connected with the safeguard protection shell (4).
4. a kind of Three phase plug according to claim 1, which is characterized in that the safeguard protection shell (4) is exhausted
Edge protective shell, the internal plug body (1) includes power source cavity (6), reseting cavity (7), and the external power cord (3), power supply are inserted
Item (2) is located in the power source cavity (6), and the reset spring (5) is located in the reseting cavity (7), and the power source cavity (6) is answered
Position chamber (7) is insulation and obturation cavity.
5. a kind of Three phase plug according to claim 1, which is characterized in that the number of the external power cord (3)
Amount is three, including two power external power supply lines (3a) and a grounded outer power supply line (3b), three external power supplies
The rear end of line (3) is closed up, the whole structure in Y-shape of front end fork of described two power external power supply lines (3a), the outside
The rear end of power supply line (3) run through the plug body (1) rear end, two power external power supply lines (3a) respectively with two
Power supply cutting (2a) electrical connection, the grounded outer power supply line (3b) are electrically connected with the protection power source cutting (2b)
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820870937.8U CN208256988U (en) | 2018-06-06 | 2018-06-06 | A kind of Three phase plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820870937.8U CN208256988U (en) | 2018-06-06 | 2018-06-06 | A kind of Three phase plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256988U true CN208256988U (en) | 2018-12-18 |
Family
ID=64653707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820870937.8U Expired - Fee Related CN208256988U (en) | 2018-06-06 | 2018-06-06 | A kind of Three phase plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208256988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048737A (en) * | 2021-04-24 | 2021-06-29 | 上海钧志物流设备有限公司 | Heating equipment in operation box |
-
2018
- 2018-06-06 CN CN201820870937.8U patent/CN208256988U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048737A (en) * | 2021-04-24 | 2021-06-29 | 上海钧志物流设备有限公司 | Heating equipment in operation box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20190606 |