CN104767061A - Insertion and extraction electric shock preventing device - Google Patents
Insertion and extraction electric shock preventing device Download PDFInfo
- Publication number
- CN104767061A CN104767061A CN201510198266.6A CN201510198266A CN104767061A CN 104767061 A CN104767061 A CN 104767061A CN 201510198266 A CN201510198266 A CN 201510198266A CN 104767061 A CN104767061 A CN 104767061A
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- CN
- China
- Prior art keywords
- plug
- coaming plate
- electric shock
- spring
- lever
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
- H01R13/635—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to the field of sockets, in particular to an insertion and extraction electric shock preventing device. The insertion and extraction electric shock preventing device comprises an electric shock preventing main body and a popup device; the electric shock preventing main body comprises a face plate and an enclosing plate; the face plate is provided with insertion holes used for a plug to be inserted into; the enclosing plate is in a cylinder shape, is arranged on one side of the face plate, and can separate plug pins inserted from the insertion hole from the outside; one end of the popup device is fixedly connected with the enclosing plate, and the electric shock preventing main body can be popped out from the socket by the popup device. According to the insertion and extraction electric shock preventing device, the plug pins are enclosed by the enclosing plate in the insertion and extraction process and do not make any contact with human fingers, therefore, the possibility of human electric shock can be effectively eradicated, the fact that the harm to a human body is generated when electric arcs are formed between the plug pins and a socket circuit, and the safety of the plug insertion and extraction can be improved.
Description
Technical field
The present invention relates to socket field, in particular to the anti-plug electrocution devices of one.
Background technology
In the middle of daily life, between plug and socket, there is safe hidden danger all the time.Hidden danger substantially all occurs on male portion.Such as: grafting is not tight and cause contact pin to expose, and gets an electric shock; Contact pin is bending but still inserted by force in the middle of socket by user, gets an electric shock.When plugging plug, can occur to plug the situation of getting an electric shock because of misoperation, namely finger contact is to the plug insertion pin also not departing from or be not seated completely conduction card completely, causes getting an electric shock.
In the process of pulling out plug, most supply socket needs both hands to operate, and a lot of people can go to pin socket with a hand, and a hand carrys out unplugg; In the process pinned, due to misoperation, may cause and meet the plug that other are in the state of coming off by mistake, or finger to be crossed from pre-unplugg near and touches contact pin, causes electric shock.
Having does not have a kind of method can this kind of operation behavior of specification, and conveniently can plug and ensure the safety of user, becomes present problem demanding prompt solution.
Summary of the invention
The object of the present invention is to provide a kind of anti-plug electrocution devices, to solve the above problems.
Provide a kind of anti-plug electrocution devices in an embodiment of the present invention, comprise protection against electric shock main body and bounce device;
Described protection against electric shock main body comprises panel and coaming plate;
Described panel is provided with the jack that plug can be made to insert;
Described coaming plate is tubular, is arranged on the side of described panel, can be isolated from the outside injecting from described jack the contact pin come;
One end of described bounce device is fixedly connected with described coaming plate, described protection against electric shock main body can be ejected from socket by described bounce device.
Further, described bounce device comprises fixed leg, connecting rod, lever and depression bar;
One end of described connecting rod is fixedly connected with the sidewall of described coaming plate away from one end of described panel;
The other end of described connecting rod and one end of described lever are rotationally connected;
The other end of described lever and one end of described depression bar are rotationally connected;
Middle part and the described fixed leg of described lever are rotationally connected.
Further, described bounce device also comprises the first spring;
Described first spring is connected with described lever, can give described lever one auxiliary power so that described coaming plate moves to the direction near described panel.
Further, described first spring is stage clip;
One end and the described connecting rod of described stage clip offset;
The other end of described stage clip is fixedly installed.
Further, described first spring is extension spring;
One end of described extension spring is connected with the one end described lever being connected described depression bar;
The other end of described extension spring is fixedly installed.
Further, described depression bar is provided with button away from one end of described lever, and the finger for the protection of user is not injured by depression bar.
Further, anti-plug electrocution devices also comprises at least 3 reference columns;
Described reference column is evenly arranged around described coaming plate.
Further, described reference column and described coaming plate are slidably connected.
Further, anti-plug electrocution devices also comprises the second spring;
One end and the described panel of described second spring offset near the side of described coaming plate;
The other end of described second spring is fixedly installed.
Further, the material of described panel and described coaming plate is insulating material.
Anti-plug electrocution devices provided by the invention, comprise the protection against electric shock main body that panel and coaming plate are formed and the bounce device be connected with coaming plate, when inserting plug on socket, the contact pin of plug is inserted on the jack of panel, enter in the space that coaming plate surrounds through jack, depress together with protection against electric shock main body after continuing to press down, contact pin is connected with the circuit in socket; From socket upwards unplugg time, use bounce device coaming plate is communicated with panel upsprings together with plug, the circuit of contact pin and socket disconnected, then plug is extracted in protection against electric shock main body.In whole process, contact pin is surrounded by coaming plate, any contact can not be carried out with the finger of people, and then effectively stopped the possibility of people's electric shock, it also avoid owing to producing harm to human body when forming electric arc between contact pin and socket circuit, improve fail safe during plug plug.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the anti-plug electrocution devices of the present invention;
Fig. 2 is the lever scheme of installation of the anti-plug electrocution devices of the present invention;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the using state reference diagram of the anti-plug electrocution devices of the present invention;
Fig. 5 is the another kind of using state reference diagram of the present invention's anti-plug electrocution devices.
Reference numeral:
1: panel 2: button 3: depression bar
4: lever 5: fixed leg 6: connecting rod
7: coaming plate 8: reference column 9: slide rail
10: stage clip 11: extension spring 12: spring base
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, carry out clear, complete description by technical scheme of the present invention below.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope that the present invention protects.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, also it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
As shown in drawings, the invention provides a kind of anti-plug electrocution devices, comprise protection against electric shock main body and bounce device;
Protection against electric shock main body comprises panel 1 and coaming plate 7;
Panel 1 is provided with the jack that plug can be made to insert;
Coaming plate 7 is tubular, is arranged on the side of panel 1, can be isolated from the outside injecting from jack the contact pin come;
One end of bounce device is fixedly connected with coaming plate 7, protection against electric shock main body can be ejected from socket by bounce device.
The panel 1 of protection against electric shock main body is provided with two-phase jack or three-phase jack, respectively the corresponding plug of two-phase electricity and the plug of three-phase electricity.
The shape of panel 1 and the shape of coaming plate 7 do not limit, and it can be circular, and also can be square, can also be triangle etc. arbitrary shape, as long as can arrange jack on panel 1, contact pin can be made to pass, and contact pin can be isolated from the outside by coaming plate 7.
Be inserted in protection against electric shock main body by the contact pin on plug through the jack on panel 1, now, contact pin is fenced up by coaming plate 7, can not be exposed outside.Continue to press down plug, drive protection against electric shock main body is descending together to be entered in socket, contact pin is connected with the circuit in socket, and then can gives electric power supply.
When plug is extracted by needs from socket, use device for ejecting protection against electric shock main body to be ejected in socket, drive plug to eject in socket, and then contact pin is departed from from the circuit in socket, making contact pin be in off-position, ensure that the fail safe of contact pin when taking out.And while protection against electric shock main body is ejected, contact pin still surround by coaming plate 7, can not with extraneous contact, until plug is extracted from protection against electric shock main body, ensure that the fail safe of whole process.
The Main Function of bounce device is when the finger of people is away from the plug be connected with socket, protection against electric shock main body can be ejected from socket, make plug power-off, to go the safety ensureing user to a greater extent.
The set-up mode of bounce device has a variety of, and following is wherein a kind of mode.
Be preferred embodiment that bounce device comprises fixed leg 5, connecting rod 6, lever 4 and depression bar 3;
One end of connecting rod 6 is fixedly connected with the sidewall of coaming plate 7 away from one end of panel 1;
The other end of connecting rod 6 and one end of lever 4 are rotationally connected;
The other end of lever 4 and one end of depression bar 3 are rotationally connected;
Middle part and the fixed leg 5 of lever 4 are rotationally connected.
Be fixedly connected with by the outer wall of one end of connecting rod 6 with the bottom of coaming plate 7, the axis of connecting rod 6 is vertical with coaming plate 7, like this can when connecting rod 6 moves to coaming plate 7 with maximum power.
The other end of connecting rod 6 is connected with one end of lever 4 by pinned connection or other the mode that is rotationally connected, and the other end and the depression bar 3 of lever 4 are rotationally connected, and central rotational is arranged on fixed leg 5.
Whole bounce device is arranged on socket inside, and the one end only having depression bar 3 not to be connected with lever 4 is exposed outside socket, for pressing lever 4.
When protection against electric shock main body upspring by needs, press the exposed one end of depression bar 3, utilize lever 4 principle, connecting rod 6 is upwards lifted, and then drive coaming plate 7 to rise, coaming plate 7 drives panel 1 to drive further the plug in the jack inserted on panel 1 to rise, and the circuit in contact pin and socket is disconnected, and then being extracted from protection against electric shock main body by plug of safety.
Whole process is simple, safety, convenience, laborsaving.
It is to be noted, bounce device can be arranged on socket inside, but is not only confined to be arranged on socket inside, and it can also be outside, also can be partly be arranged on exterior section to be arranged on inside etc., its concrete set-up mode be arranged according to the concrete structure of bounce device.
Be preferred embodiment that bounce device also comprises the first spring;
First spring is connected with lever 4, can give lever 4 one auxiliary powers so that coaming plate 7 moves to the direction near panel 1.
Due to the circuit in socket be connected with contact pin time, be generally latter linked by the clamping of two panels copper sheet, its bonding strength is relatively large, and then is easily that pulling up of plug is comparatively required great effort, and the thing that both hands unplugg therefore just can be caused easily to get an electric shock occurs.
By the first spring to lever 4 one auxiliary powers, one end that lever 4 is connected with connecting rod 6 is more laborsaving when rising, and then the pulling up of plug of can being more convenient for.
Be preferred embodiment that the first spring is stage clip 10;
One end and the connecting rod 6 of stage clip 10 offset;
The other end of stage clip 10 is fixedly installed.
Stage clip 10 is the helical springs bearing axial compressive force, because can pressure be born, two ends can be open type or enclosed or around flat or polish, its material section used mostly is circular, also useful rectangle and multiply steel are entangled and are rolled, spring has equal pitch and pitches, the shape of Compress Spring has: the variant of cylindrical, conical, camber and middle concave and a small amount of non-circular and even various tail end, all can product needed shaping etc. according to design, certain gap is had between the circle of stage clip 10 and circle, when being subject to external applied load, spring contraction distortion, stores deformation energy.
When first spring is set to stage clip 10, one end of stage clip 10 and connecting rod 6 are offseted, the other end is fixed in socket, when a plug is inserted in the socket, protection against electric shock main body drives connecting rod 6 to be pressed down by stage clip 10, and now stage clip 10 gives connecting rod 6 one power upwards all the time, and changes the clamping force that power is less than the copper sheet in socket, also would not cause bounce-back plug, cause plug repeatedly come off and the situation of plug-in cannot be realized.
When plug is extracted by needs, under the effect of stage clip 10 power upwards, only need press depression bar 3 gently, just by lever 4, connecting rod 6 can be tilted, and then plug is extracted from socket, convenient, laborsaving, quick, safety.
It is pointed out that stage clip 10 can be offset with connecting rod 6, also can be with lever 4 on be provided with connecting rod 6 one end offset, as long as it can give protection against electric shock main body one power upwards, extracting of plug can be convenient to.
Be preferred embodiment that the first spring is extension spring 11;
One end of extension spring 11 is connected with one end lever 4 being connected depression bar 3;
The other end of extension spring 11 is fixedly installed.
Extension spring 11 is the helical springs bearing axial tension, the form of its hook has side hook extension spring 11, long hook extension spring 11, English hook extension spring 11, moral formula hook extension spring 11, semicircular hook extension spring 11, duckbilled hook extension spring 11 etc., " hook " is used to the pulling force source ensureing extension spring, general circular section material spring steel is made, when not bearing load, between the circle of extension spring 11 and circle be all generally and tight very close to each other, utilize resilience force (pulling force) work after stretching, in order to control the motion of parts, storage or saving energy, the size etc. of ergometry, most extension spring is usually under tension force to a certain degree, even when without any load.This initial tension force determines when without any load, the tightness degree of extension spring coiling.
When first spring is set to extension spring 11, one end of extension spring 11 is connected with one end lever 4 being connected depression bar 3, the other end is fixed in socket, when a plug is inserted in the socket, protection against electric shock main body drives connecting rod 6 to move down, and is driven on one end of extension spring 11 rise by the effect of lever 4, the power that now extension spring 11 gives depression bar 3 one downward all the time, and change the clamping force that power is less than the copper sheet in socket, also would not cause bounce-back plug, cause plug repeatedly come off and the situation of plug-in cannot be realized.
When plug is extracted by needs, under the effect of the downward power of extension spring 11, only need press depression bar 3 gently, just by lever 4, connecting rod 6 can be tilted, and then plug is extracted from socket, convenient, laborsaving, quick, safety.
It is pointed out that extension spring 11 can be connected with one end lever 4 being connected depression bar 3, also can be directly be connected with lever 4, as long as it can give protection against electric shock main body one power upwards by lever 4, can be convenient to extracting of plug.
Be preferred embodiment that depression bar 3 is provided with button 2 away from one end of lever 4, the finger for the protection of user is not injured by depression bar 3.
Depression bar 3 is provided with button 2 away from one end of lever 4, and button 2 is greater than the contact area of depression bar 3 end and finger with the contact area of finger, and then more can be conducive to finger to pressing down, and finger also can be protected can not to be scratched by the end of depression bar 3.
The form of button 2 can be multiple, and as being a bulb, also can be a square, can also be the shape of other various decorations, as being set to fish shape etc., as long as it can reduce the pressure of depression bar 3 to finger, makes depression bar 3 more easily stressed.
Be preferred embodiment that anti-plug electrocution devices also comprises at least 3 reference columns 8;
Reference column 8 is evenly arranged around coaming plate 7.
Socket is fixedly installed at least 3 reference columns 8, and reference column 8 and coaming plate 7 are adjacent to, make coaming plate 7 in the process moved up and down, move in the space that can only surround at reference column 8, and then decrease rocking of coaming plate 7, also ensure that the stability of bounce device when upspringing coaming plate 7 simultaneously.
The quantity of reference column 8 is at least the stable of 3 guarantee coaming plates 7, and when reference column 8 is more, during as 4,5, its stability can be better.But when the quantity of reference column 8 is too much, easily cause making not easily, cost increase etc.Therefore, suitable reference column 8 quantity is 3-6.
Be preferred embodiment that reference column 8 and coaming plate 7 are slidably connected.
Being slidably connected arranging between reference column 8 and coaming plate 7, making it be not only be adjacent to or offset, more can ensure the stability of coaming plate 7.
Can be that slide rail 9 is set on coaming plate 7, reference column 8 arranges chute; Also can be that chute is set on coaming plate 7, reference column 8 arranges slide rail 9.The shape of slide rail 9 can be square, also can be wedge shape, and the shape of chute is corresponding with the shape of slide rail 9.
Be preferred embodiment that anti-plug electrocution devices also comprises the second spring;
One end and the panel 1 of the second spring offset near the side of coaming plate 7;
The other end of the second spring is fixedly installed.
When the two ends of lever 4 do not arrange the first spring, can also arrange the second spring in the below of panel 1, now, the second spring is stage clip 10.
As shown in Figure 3, one end of the second spring and the below of panel 1 offset, and the other end is fixed on the spring base 12 on socket.Spring base 12 can be cylindric also can be flat column etc., as long as it can offset with the second spring, can give one, the second spring elastic force upwards.
When a plug is inserted in the socket, protection against electric shock main body drives connecting rod 6 to be pressed down by stage clip 10, and now stage clip 10 gives panel 1 one power upwards all the time, and changes the clamping force that power is less than the copper sheet in socket, also would not cause bounce-back plug, cause plug repeatedly come off and the situation of plug-in cannot be realized.
When plug is extracted by needs, under the effect of stage clip 10 power upwards, only need press depression bar 3 gently, just panel 1 can be tilted, and then plug is extracted from socket, convenient, laborsaving, quick, safety.
Be preferred embodiment that the material of panel 1 and coaming plate 7 is insulating material.
Panel 1 and coaming plate 7 are set to insulating material, be connected cause electric shock when more effectively can avoid the non-separation connector circuit of contact pin with panel 1 or coaming plate 7.
Insulating material has a variety of, can be rubber, can also be plastics, can be even glass, as long as its insulating material.
Anti-plug electrocution devices provided by the invention, comprise the protection against electric shock main body that panel 1 and coaming plate 7 are formed and the bounce device be connected with coaming plate 7, when inserting plug on socket, the contact pin of plug is inserted on the jack of panel 1, enter in the space that coaming plate 7 surrounds through jack, depress together with protection against electric shock main body after continuing to press down, contact pin is connected with the circuit in socket; From socket upwards unplugg time, use bounce device coaming plate 7 is communicated with panel 1 upsprings together with plug, the circuit of contact pin and socket disconnected, then plug is extracted in protection against electric shock main body.In whole process, contact pin is surrounded by coaming plate 7, any contact can not be carried out with the finger of people, and then effectively stopped the possibility of people's electric shock, it also avoid owing to producing harm to human body when forming electric arc between contact pin and socket circuit, improve fail safe during plug plug.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an anti-plug electrocution devices, is characterized in that, comprises protection against electric shock main body and bounce device;
Described protection against electric shock main body comprises panel and coaming plate;
Described panel is provided with the jack that plug can be made to insert;
Described coaming plate is tubular, is arranged on the side of described panel, can be isolated from the outside injecting from described jack the contact pin come;
One end of described bounce device is fixedly connected with described coaming plate, described protection against electric shock main body can be ejected from socket by described bounce device.
2. anti-plug electrocution devices according to claim 1, it is characterized in that, described bounce device comprises fixed leg, connecting rod, lever and depression bar;
One end of described connecting rod is fixedly connected with the sidewall of described coaming plate away from one end of described panel;
The other end of described connecting rod and one end of described lever are rotationally connected;
The other end of described lever and one end of described depression bar are rotationally connected;
Middle part and the described fixed leg of described lever are rotationally connected.
3. anti-plug electrocution devices according to claim 2, it is characterized in that, described bounce device also comprises the first spring;
Described first spring is connected with described lever, can give described lever one auxiliary power so that described coaming plate moves to the direction near described panel.
4. anti-plug electrocution devices according to claim 3, is characterized in that, described first spring is stage clip;
One end and the described connecting rod of described stage clip offset;
The other end of described stage clip is fixedly installed.
5. anti-plug electrocution devices according to claim 3, is characterized in that, described first spring is extension spring;
One end of described extension spring is connected with the one end described lever being connected described depression bar;
The other end of described extension spring is fixedly installed.
6. anti-plug electrocution devices according to claim 2, it is characterized in that, described depression bar is provided with button away from one end of described lever, and the finger for the protection of user is not injured by depression bar.
7. anti-plug electrocution devices according to claim 1, is characterized in that, also comprise at least 3 reference columns;
Described reference column is evenly arranged around described coaming plate.
8. anti-plug electrocution devices according to claim 7, is characterized in that, described reference column and described coaming plate are slidably connected.
9. anti-plug electrocution devices according to claim 1, is characterized in that, also comprise the second spring;
One end and the described panel of described second spring offset near the side of described coaming plate;
The other end of described second spring is fixedly installed.
10. the anti-plug electrocution devices according to any one of claim 1-9, it is characterized in that, the material of described panel and described coaming plate is insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510198266.6A CN104767061A (en) | 2015-04-23 | 2015-04-23 | Insertion and extraction electric shock preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510198266.6A CN104767061A (en) | 2015-04-23 | 2015-04-23 | Insertion and extraction electric shock preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104767061A true CN104767061A (en) | 2015-07-08 |
Family
ID=53648767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510198266.6A Pending CN104767061A (en) | 2015-04-23 | 2015-04-23 | Insertion and extraction electric shock preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104767061A (en) |
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| CN108321608A (en) * | 2017-01-16 | 2018-07-24 | 黄沛霖 | Socket structure |
| CN111585104A (en) * | 2020-05-12 | 2020-08-25 | 滁州学院 | Labor-saving safety plug |
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| CN111585104B (en) * | 2020-05-12 | 2021-05-11 | 滁州学院 | Labor-saving safety plug |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150708 |
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| RJ01 | Rejection of invention patent application after publication |