CN110649417A - Timer device capable of press-mounting and accommodating plug pins - Google Patents
Timer device capable of press-mounting and accommodating plug pins Download PDFInfo
- Publication number
- CN110649417A CN110649417A CN201910789436.6A CN201910789436A CN110649417A CN 110649417 A CN110649417 A CN 110649417A CN 201910789436 A CN201910789436 A CN 201910789436A CN 110649417 A CN110649417 A CN 110649417A
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- CN
- China
- Prior art keywords
- pin
- press
- sleeve
- fit
- clamping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F10/00—Apparatus for measuring unknown time intervals by electric means
-
- 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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Predetermined Time Intervals (AREA)
Abstract
The invention discloses a timer device capable of press-mounting and containing pins, which relates to the technical field of socket pins and comprises the following components: go up casing, lower casing and through last casing and casing down fixed power grafting device, power grafting device includes: the upper plug groove is arranged between the upper shell and the lower shell, and the movable plug pin part is fixed at the bottom of the lower shell and is used for connecting a power supply; the movable pin part includes: the pin base, the pin body penetrating through the bottom of the pin base and the pin connecting plate used for connecting and fixing the pin body are arranged, a clamping sleeve is arranged at the upper part of the pin base, a circumferential clamping groove and an axial slot are formed in the inner wall of the clamping sleeve, a lower sleeve corresponding to the clamping sleeve is arranged at the upper part of the pin connecting plate, a spring is arranged between the clamping sleeve and the lower sleeve, and a clamping arm is arranged on the lower sleeve; the bottom of the pin base is also provided with a pin rotating groove and a torsional spring rotating shaft; the invention realizes press mounting and storage of the timer pin, can save storage space and protect the pin body.
Description
Technical Field
The invention relates to the technical field of socket pins, in particular to a timer device capable of press-mounting and containing pins.
Background
The plug pins of the fixed structure occupy large space and are inconvenient to carry, and particularly in the process of transporting and packaging, the plug pins need to occupy larger packaging space and transportation space, so that the cost is higher; in addition, there is a safety risk that foreign matter, liquid, or the like is easily inserted into an ac power supply such as a socket, and an electric shock accident is caused.
The single socket with the retractable combined pins and the combined conversion socket disclosed in chinese utility model CN207896327U, wherein the single socket includes a retractable sliding positioning frame assembly located in the main body shell, the retractable sliding positioning frame assembly is connected with a first polarity pin and a second polarity pin in a sliding manner, and both the first polarity pin and the second polarity pin are connected with a push button assembly sliding along the retractable sliding positioning frame assembly in a driving manner; the first polarity pin and the second polarity pin are electrically connected with the connecting elastic piece component; the combined conversion socket comprises the single socket with the telescopic combined pins and a multi-hole socket electrically connected with the jacks of the single socket; the utility model discloses a socket structure of patent is complicated to do not possess fine commonality.
Also disclosed in chinese patent CN203589268U is a retractable plug, which comprises a housing, a bracket, and three pins; the shell is provided with a sliding groove, and the bracket comprises two pin sleeves and a push button; the bracket is accommodated in the shell and movably connected with the sliding groove, the push button penetrates through the sliding groove and extends out of the shell, and the pin sleeve can extend out of the shell or retract into the shell; the first pin and the second pin are sleeved on the pin sleeve, and the third pin is movably connected with the shell; the utility model discloses a telescopic plug, the reliability is not high to can not be fine be applied to devices such as timer.
Disclosure of Invention
The invention aims at the defects in the prior art, and particularly provides a timer device capable of press-mounting and containing pins, which solves the problems that the pins of the existing timer cannot be well contained and are inconvenient to use, and also solves the problems that a larger packaging space and a larger transportation space are needed in the packaging and transportation processes, and the cost is higher.
In order to solve the above technical problem, the present invention provides a timer device capable of press-fitting a receiving pin, comprising: go up casing, lower casing and through last casing and casing down fixed power grafting device, power grafting device includes: the upper plug groove is arranged between the upper shell and the lower shell, and the movable plug pin part is fixed at the bottom of the lower shell and is used for connecting a power supply;
the movable pin part includes: the pin base, the pin body penetrating through the bottom of the pin base and the pin connecting plate used for connecting and fixing the pin body are arranged, a clamping sleeve is arranged at the upper part of the pin base, a circumferential clamping groove and an axial slot are formed in the inner wall of the clamping sleeve, a lower sleeve corresponding to the clamping sleeve is arranged at the upper part of the pin connecting plate, a spring is arranged between the clamping sleeve and the lower sleeve, a clamping arm is arranged on the lower sleeve, and the clamping arm can be inserted into the axial slot and is in matched clamping connection with the circumferential clamping groove;
the bottom of the pin base is also provided with a pin rotating groove and a torsional spring rotating shaft, the torsional spring rotating shaft is used for sleeving a torsional spring, the pin body can rotate on the pin base through the pin rotating groove, and the bottom of the pin connecting plate is provided with a torsional spring stop dog correspondingly matched with the torsional spring;
the body of participating in through overcoming torsional spring torsion with initial position is rotatory, make joint arm and axial slot position correspond, and make the joint arm insert axial slot and get into the circumference draw-in groove through compression spring, under torsional spring torsion effect, participate in the body and reset and fix with circumference draw-in groove joint through the joint arm in circumference draw-in groove internal rotation, make and participate in the body and accomodate in the pin seat, adopt above-mentioned technical scheme, the pressure equipment has been realized and has been accomodate, under the condition that does not use the timer, can save the storage space, and protect and participate in the body, on the other hand still plays the problem of saving the cost in packing and transportation.
The timer device capable of press-mounting and containing the plug pins further comprises a base; the control panel is used for timing setting of the electronic timer, and the display screen is used for displaying the state of the electronic timer.
Wherein, the pin body is electrically connected with the upper inserting groove through the brush wire.
Wherein, all be equipped with the spring holder in joint sleeve and the lower sleeve, the spring holder is used for the joint of spring to be fixed, and the torsional spring dog adopts above-mentioned technical scheme for setting up two projections participating in the connecting plate bottom, and the effect of playing fixed spring that can be fine guarantees that the installation of torsional spring is firm simultaneously.
The pin rotating groove is two sections of arc-shaped grooves which respectively correspond to the two pins of the pin body, and the radian of each arc-shaped groove is pi/12.
Wherein, accomodate the body of participating in under the state through the rotation for the joint arm corresponds with axial slot position, participates in the body under the spring action of spring and is popped out, and participates in the body and breaks away from the axial slot after the torsion effect of torsional spring resets down, and joint arm makes the electron timer can peg graft with the power with joint sleeve lower terminal surface butt.
The socket is made of PC engineering plastics, has the advantages of strong impact resistance, heat resistance and aging resistance, is not easy to deform even in a high-temperature environment, has outstanding flame retardance, and can withstand the ablation of electric arcs for a long time.
Wherein, joint arm quantity more than or equal to two, joint arm equipartition can guarantee that the atress of two joint arms is even on the sleeve down.
Drawings
FIG. 1 is a perspective view of a movable pin portion of a timer device for press-fitting a receiving pin according to the present invention;
FIG. 2 is a perspective view of a timer device of the present invention with press-fit receiving pins;
FIG. 3 is a perspective view of a timer assembly of the present invention with press-fit receiving pins shown in FIG. 2;
FIG. 4 is a perspective view of a socket of a timer device for receiving a pin according to the present invention;
FIG. 5 is a perspective view of a bayonet sleeve of a timer assembly of the present invention for press fitting receiving a pin;
FIG. 6 is a perspective view of a pin body and a pin connecting plate of a timer device for press-fitting and receiving pins according to the present invention;
in the figure: 1 is an upper shell; 2 is a lower shell; 3 is a power supply plugging device; 4 is a control panel; 5 is a display screen; 6 is an upper inserting groove; 7 is a movable pin part; 8 is a pin seat; 9 is a pin body; 10 is a pin connecting plate; 11 is a clamping sleeve; 12 is a pin rotary groove; 13 is a torsion spring rotating shaft; 14 is a torsional spring stop dog; 15 is a lower sleeve; 16 is a circumferential clamping groove; 17 is an axial slot; 18 is a clamping arm; 19 is a spring; 20 is a clamping block; 21 is a torsion spring; and 22 is a spring seat.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1:
a timer device capable of press-fitting a receiving pin according to an embodiment of the present invention, as shown in fig. 1, 2, 3, 4, 5, and 6, includes: go up casing 1, casing 2 down and through last casing 1 and the fixed power plug device 3 of casing 2 down, power plug device 3 includes: the plug-in connector comprises an upper plug-in slot 6 arranged between the upper shell 1 and the lower shell 2 and a movable plug-in part 7 fixed at the bottom of the lower shell 2 and used for connecting a power supply, in particular, the upper plug-in slot 6 is arranged between the upper shell 1 and the lower shell 2, other electrical appliance plugs can be inserted into the upper plug-in slot 6, and the movable plug-in part 7 is inserted into an alternating current power supply such as a socket;
the movable pin portion 7 includes: the pin base 8, the pin body 9 penetrating the bottom of the pin base 8, and the pin connecting plate 10 for connecting and fixing the pin body 9, the upper portion of the pin base 8 is provided with a clamping sleeve 11, in this embodiment, the pin base 8 is made of PC engineering plastics, the inner wall of the clamping sleeve 11 is provided with a circumferential clamping groove 16 and an axial slot 17, the upper portion of the pin connecting plate 10 is provided with a lower sleeve 15 corresponding to the clamping sleeve 11, a spring 19 is arranged between the clamping sleeve 11 and the lower sleeve 15, the lower sleeve 15 is provided with a clamping arm 18, the clamping arm 18 can be inserted into the axial slot 17 and clamped with the circumferential clamping groove 16 in a matching manner, in this embodiment, the top of the clamping arm 18 is provided with a convex clamping block 20, the depth of the axial slot 17 is the same as that of the circumferential clamping groove 16, and the clamping block 20 on the clamping arm 18 reaches the position of the circumferential clamping groove 16 after being inserted into the bottom end of the axial slot, the position of the staggered axial slot 17, accessible circumference draw-in groove 16 and the cooperation of joint piece 20 this moment, will participate in the connecting plate 10 fixed, and then will participate in the body 9 fixed to realize that the pressure equipment is accomodate, under the condition that does not use the timer, can save the storage space, and the protection participates in the body 9, on the other hand still plays the problem of saving the cost in packing and transportation.
The bottom of the pin base 8 is also provided with a pin rotating groove 12 and a torsion spring rotating shaft 13, the torsion spring rotating shaft 13 is used for sleeving a torsion spring, the pin body 9 can rotate on the pin base 8 through the pin rotating groove 12, and the bottom of the pin connecting plate 10 is provided with a torsion spring stop 14 correspondingly matched with the torsion spring; the pin body 9 at the initial position is rotated against the torsion of the torsion spring, so that the snap arm 18 corresponds to the axial slot 17, and by compressing the spring 19 the snap-in arms 18 are inserted into the axial slots 17 into the circumferential snap-in slots 16, under the action of the torsion spring, the pin body 9 rotates and resets in the circumferential clamping groove 16 and is clamped and fixed with the circumferential clamping groove 16 through the clamping arm 18, so that the pin body 9 is accommodated in the pin seat 8, in this embodiment, the torsion spring is used to restore the rotated pin body 9 and the pin connecting plate 10, and particularly, the pin rotating groove 12 is two sections of arc-shaped grooves which respectively correspond to the two pins of the pin body 9, when the pin body 9 is to be stored, the pin body 9 at the initial position is rotated along the arc-shaped groove by overcoming the torsion of the torsion spring, specifically, the radian of the arc-shaped groove is pi/12, that is, the rotation angle of the pin body 9 rotating along the arc-shaped groove is 15 degrees.
As shown in fig. 1, the timer device for press-fitting the receiving pins further comprises; the electronic timer comprises a control panel 4 and a display screen 5, wherein the control panel 4 is used for setting the timing time of the electronic timer, the control panel adopts a conventional control mode on the market, and the display screen 5 is used for displaying the state of the electronic timer.
The pin body 9 and the upper insertion groove 6 are electrically connected through a brush wire, and the accommodation of the pin body 9 does not cause poor contact and the like in circuit connection.
Through the participate in body 9 under the rotatory state of accomodating, make joint arm 18 correspond with axial slot 17 position, participate in body 9 and popped out under spring 19's elasticity effect, and participate in body 9 and break away from and reset under the torsion effect of torsional spring behind the axial slot 17, joint arm 18 makes the electron timer can peg graft with the power with joint sleeve 11 lower terminal surface butt, in this embodiment, joint arm 18 quantity is two, corresponding axial slot 17 quantity also is two, joint arm 18 sets up relatively on lower sleeve 15, guarantee that two joint arms 18 atress are even.
Example 2:
in this embodiment, the number of the clamping arms 18 is three, the clamping arms 18 are uniformly distributed on the lower sleeve 15, and the number of the corresponding axial slots 17 is also three, so that the whole pin device structure capable of being accommodated in a press-fitting manner is more stable.
Example 3:
in this embodiment, compare in embodiment 1, all be equipped with spring holder 22 in joint sleeve 11 and lower sleeve 15, spring holder 22 is used for spring 19's joint fixed, the effect of fixed spring that plays that can be fine, and torsional spring dog 14 is for setting up two projections participating in the connecting plate 10 bottom, guarantees that the installation of torsional spring is firm.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. A timer device that is press-fit to receive a pin, the timer device comprising: go up casing (1), casing (2) down and through last casing (1) and casing (2) fixed power grafting device (3) down, power grafting device (3) include: an upper plug-in slot (6) arranged between the upper shell (1) and the lower shell (2), and a movable plug-in pin part (7) fixed at the bottom of the lower shell (2) and used for connecting a power supply;
the movable pin part (7) comprises: the pin inserting device comprises a pin inserting seat (8), a pin inserting body (9) penetrating through the bottom of the pin inserting seat (8) and a pin connecting plate (10) used for connecting and fixing the pin inserting body (9), wherein a clamping sleeve (11) is arranged on the upper portion of the pin inserting seat (8), a circumferential clamping groove (16) and an axial inserting groove (17) are formed in the inner wall of the clamping sleeve (11), a lower sleeve (15) corresponding to the clamping sleeve (11) is arranged on the upper portion of the pin connecting plate (10), a spring (19) is arranged between the clamping sleeve (11) and the lower sleeve (15), a clamping arm (18) is arranged on the lower sleeve (15), and the clamping arm (18) can be inserted into the axial inserting groove (17) and is matched and clamped with the circumferential clamping groove (16);
the bottom of the pin base (8) is also provided with a pin rotating groove (12) and a torsion spring rotating shaft (13), the torsion spring rotating shaft (13) is used for being sleeved with a torsion spring (21), the pin body (9) can rotate on the pin base (8) through the pin rotating groove (12), and the bottom of the pin connecting plate (10) is provided with a torsion spring stop block (14) correspondingly matched with the torsion spring (21);
the pin body (9) at the initial position is rotated by overcoming the torsion of a torsion spring (21), so that the clamping arm (18) corresponds to the axial slot (17) in position, the clamping arm (18) is inserted into the axial slot (17) to enter the circumferential slot (16) through a compression spring (19), and under the torsion action of the torsion spring (21), the pin body (9) is rotationally reset in the circumferential slot (16) and is fixedly clamped with the circumferential slot (16) through the clamping arm (18), so that the pin body (9) is accommodated in the pin base (8).
2. A press-fit pin receivable timer device as set forth in claim 1, wherein the press-fit pin receivable timer device further comprises; the electronic timer comprises a control board (4) and a display screen (5), wherein the control board (4) is used for setting the timing of the electronic timer, and the display screen (5) is used for displaying the state of the electronic timer.
3. A press-fit pin receivable timer device as defined in claim 1 in which the pin body (9) is electrically connected to the upper socket (6) by brush wires.
4. A press-fit pin receiving timer device according to claim 1, wherein the snap-fit sleeve (11) and the lower sleeve (15) each have a spring seat (22) therein, the spring seats (22) being adapted for snap-fit retention of the spring (19).
5. A press-fit pin receivable timer device as defined in claim 1, wherein the pin rotation slot (12) is two arcuate slots corresponding to the two pins of the pin body (9).
6. A press-fit pin-receiving timer device according to claim 1, wherein the pin body (9) in the receiving state is rotated to make the engaging arm (18) correspond to the axial slot (17), the pin body (9) is ejected under the elastic force of the spring (19), and the pin body (9) is reset under the torsion force of the torsion spring (21) after being separated from the axial slot (17), and the engaging arm (18) abuts against the lower end surface of the engaging sleeve (11) to make the electronic timer be able to be engaged with the power supply.
7. A press-fit pin receiving timer device according to claim 1, wherein the torsion spring stop (14) is two protruding posts provided at the bottom of the pin connection plate (10).
8. A press-fit receiving pin timer device according to claim 1, wherein the pin base (8) is made of PC engineering plastic.
9. A press-fit receiving pin timer device as set forth in claim 5, wherein said arcuate slot has an arc of π/12.
10. A press-fit pin receiving timer device according to claim 1, wherein said snap arms (18) are equal to or greater than two in number, said snap arms (18) being evenly distributed on said lower sleeve (15).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910789436.6A CN110649417B (en) | 2019-08-26 | 2019-08-26 | Timer device capable of press-mounting and accommodating plug pins |
| CN202010789528.7A CN112086838B (en) | 2019-08-26 | 2019-08-26 | Timer device convenient to store |
| CN202010790641.7A CN112072424B (en) | 2019-08-26 | 2019-08-26 | Timer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910789436.6A CN110649417B (en) | 2019-08-26 | 2019-08-26 | Timer device capable of press-mounting and accommodating plug pins |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010790641.7A Division CN112072424B (en) | 2019-08-26 | 2019-08-26 | Timer device |
| CN202010789528.7A Division CN112086838B (en) | 2019-08-26 | 2019-08-26 | Timer device convenient to store |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110649417A true CN110649417A (en) | 2020-01-03 |
| CN110649417B CN110649417B (en) | 2021-02-09 |
Family
ID=69009756
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910789436.6A Active CN110649417B (en) | 2019-08-26 | 2019-08-26 | Timer device capable of press-mounting and accommodating plug pins |
| CN202010789528.7A Active CN112086838B (en) | 2019-08-26 | 2019-08-26 | Timer device convenient to store |
| CN202010790641.7A Active CN112072424B (en) | 2019-08-26 | 2019-08-26 | Timer device |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010789528.7A Active CN112086838B (en) | 2019-08-26 | 2019-08-26 | Timer device convenient to store |
| CN202010790641.7A Active CN112072424B (en) | 2019-08-26 | 2019-08-26 | Timer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN110649417B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113097010B (en) * | 2021-03-31 | 2022-08-23 | 宁波时佳电子科技有限公司 | Timer with automatic power-off function |
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| GB439841A (en) * | 1934-08-02 | 1935-12-16 | A P Lundberg And Sons Ltd | Improvements in or relating to plug-and-socket connectors for electrical circuits |
| GB594426A (en) * | 1946-05-01 | 1947-11-11 | Aaron Barnett | Improvements in or relating to electrical switch plugs and sockets |
| NL7103990A (en) * | 1970-03-24 | 1971-09-28 | ||
| DE2632344A1 (en) * | 1976-07-17 | 1978-01-26 | Weiss Paul Fa | Carbon brush assembly ror electric motor - has spring biased toothed sector engaging pinion carrying brush for constant contact pressure |
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| CN106654736A (en) * | 2016-10-14 | 2017-05-10 | 中山市拓昊电器有限公司 | Leakage protection plug |
| CN106961055A (en) * | 2017-04-28 | 2017-07-18 | 深圳市良辉科技有限公司 | A kind of leakage protecting plug provided with ground wire on-off system |
| CN109301628A (en) * | 2018-10-16 | 2019-02-01 | Oppo广东移动通信有限公司 | Plug |
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| FR2545284B1 (en) * | 1983-04-26 | 1986-04-11 | Dokouroff Gerard | ELECTRICAL SAFETY SOCKET |
| DE3731588A1 (en) * | 1987-09-19 | 1989-04-06 | Asea Brown Boveri | Plug socket having a covering device |
| DE19629069C1 (en) * | 1996-07-18 | 1997-11-20 | Siemens Ag | Ignition capsule plug connector for vehicle electronics especially for collision protection device |
| CN102347550B (en) * | 2010-07-26 | 2013-11-06 | 胜德国际研发股份有限公司 | Telescopic power supply plug |
| CN202906150U (en) * | 2012-11-05 | 2013-04-24 | 深圳市仁达电子有限公司 | Universal power converter |
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| CN104319548B (en) * | 2014-10-16 | 2016-10-05 | 宁波帝杨电子科技有限公司 | A kind of ejection type plug |
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- 2019-08-26 CN CN201910789436.6A patent/CN110649417B/en active Active
- 2019-08-26 CN CN202010789528.7A patent/CN112086838B/en active Active
- 2019-08-26 CN CN202010790641.7A patent/CN112072424B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB439841A (en) * | 1934-08-02 | 1935-12-16 | A P Lundberg And Sons Ltd | Improvements in or relating to plug-and-socket connectors for electrical circuits |
| GB594426A (en) * | 1946-05-01 | 1947-11-11 | Aaron Barnett | Improvements in or relating to electrical switch plugs and sockets |
| NL7103990A (en) * | 1970-03-24 | 1971-09-28 | ||
| DE2632344A1 (en) * | 1976-07-17 | 1978-01-26 | Weiss Paul Fa | Carbon brush assembly ror electric motor - has spring biased toothed sector engaging pinion carrying brush for constant contact pressure |
| CN202094652U (en) * | 2011-05-24 | 2011-12-28 | 诸葛瑞 | Mini charger with interchangeable pin |
| CN203871618U (en) * | 2014-05-30 | 2014-10-08 | 慈溪宏一电子有限公司 | Power supply converter |
| CN203883233U (en) * | 2014-06-07 | 2014-10-15 | 温州佳居电气有限公司 | Switching socket dustproof mechanism |
| CN104064907A (en) * | 2014-06-25 | 2014-09-24 | 刘宇敦 | Combinable-type power adapter |
| CN106654736A (en) * | 2016-10-14 | 2017-05-10 | 中山市拓昊电器有限公司 | Leakage protection plug |
| CN106961055A (en) * | 2017-04-28 | 2017-07-18 | 深圳市良辉科技有限公司 | A kind of leakage protecting plug provided with ground wire on-off system |
| CN109301628A (en) * | 2018-10-16 | 2019-02-01 | Oppo广东移动通信有限公司 | Plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112072424A (en) | 2020-12-11 |
| CN112086838B (en) | 2021-10-12 |
| CN112072424B (en) | 2021-09-21 |
| CN110649417B (en) | 2021-02-09 |
| CN112086838A (en) | 2020-12-15 |
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