CN110444942A - A kind of pole the E plug bush structure and socket of three pole sockets - Google Patents
A kind of pole the E plug bush structure and socket of three pole sockets Download PDFInfo
- Publication number
- CN110444942A CN110444942A CN201910648836.5A CN201910648836A CN110444942A CN 110444942 A CN110444942 A CN 110444942A CN 201910648836 A CN201910648836 A CN 201910648836A CN 110444942 A CN110444942 A CN 110444942A
- Authority
- CN
- China
- Prior art keywords
- pole
- plug bush
- mounting hole
- sleeve
- bush structure
- 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
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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
- H01R13/02—Contact members
-
- 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
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
-
- 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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth pin, blade or socket
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/36—Conductive members located under tip of screw
- H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention is suitable for jack technology field, provide the pole the E plug bush structure and socket of a kind of three pole sockets, include: connecting terminal, the mounting hole for accessing conducting wire is provided on the connecting terminal, threaded hole that is vertical with the mounting hole and being connected to is additionally provided on the connecting terminal.Screw, the screw are matched with the threaded hole.Sleeve, the sleeve includes: and the matched wire connecting portion of the mounting hole, the fixed part connecting with described wire connecting portion one end, the resilient support arms that the fixed part both ends are arranged in, and the clamping part being connect with the resilient support arms, the clamping part is by the elastic force that the resilient support arms generate to clamp the pole E bolt.It is more reliable that the present invention can be such that the pole E sleeve and the pole the E bolt on plug in socket contacts, and can preferably lock the conducting wire in access connecting terminal.
Description
Technical field
The invention belongs to jack technology fields, more particularly to a kind of pole the E plug bush structure and socket of three pole sockets.
Background technique
Socket is one of essential electrical equipment in people's daily life, is mainly used for providing electricity for electrical equipment
Power can normally be run using electric equipment.
Although socket facilitates people's electricity consumption, it is outstanding in use that the Electrical Safety of socket but becomes people
The problem of to pay close attention to.Wherein, three pole sockets belong to a kind of higher socket of security performance, are arrived by connecting a ground bundle of lines conductance
Big ground, to prevent security risk occur in electricity consumption.
Currently, the pole the E plug bush structure design of many three pole sockets in the market is not scientific, make the pole E of the pole E sleeve and plug
Bolt contact is unreliable, and when leaking electricity the case where, the pole E of socket can not play the role of ground protection, be easy to appear peace
Full hidden danger.Secondly, conducting wire is passed through connecting terminal and is then locked conducting wire using screw in the sleeve wiring of the pole E.This locking wire
Mode, it is easy to damage copper wire, the contact so as to cause the pole E sleeve with conducting wire is unreliable, in addition, this locking wire mode is connecting
It is difficult to lock flexible circuit conductor when flexible circuit conductor, is also easy to cause contact of the pole the E sleeve with flexible circuit conductor unreliable.
Summary of the invention
The embodiment of the present invention provides a kind of pole the E plug bush structure of three pole sockets, it is intended to solve E in existing three pole socket and extremely insert
Set contacts insecure problem with the pole the E bolt of plug.
The embodiments of the present invention are implemented as follows, a kind of pole E plug bush structure of three pole sockets, comprising:
Connecting terminal is provided with the mounting hole for accessing conducting wire on the connecting terminal, also sets on the connecting terminal
It is equipped with threaded hole that is vertical with the mounting hole and being connected to.
Screw, the screw are matched with the threaded hole.
Sleeve, the sleeve include: and the matched wire connecting portion of the mounting hole, the fixation connecting with described wire connecting portion one end
Portion, the resilient support arms that the fixed part both ends are set, and the clamping part being connect with the resilient support arms, the clamping
Portion is by the elastic force that the resilient support arms generate to clamp the pole E bolt.
Further, the resilient support arms include: that the extension connecting with the fixed part and the extension connect
The curved portion connect, the curved portion are arcuate structure.
Further, reinforcing rib is provided in the resilient support arms.
Further, the wire connecting portion includes: to connect with the matched line pressing portion of the mounting hole and with the line pressing portion
The guide part connect, the guiding position are arcuate structure.
Further, the insertion end of the clamping part is arcuate structure.
Further, the gap between described two clamping parts is less than the thickness of the pole E bolt.
Further, the sleeve expands into y-type structure.
Further, the fixed part is vertical with the wire connecting portion.
Further, non-slip groove is provided in the mounting hole.
A kind of socket, comprising: shell and at least one sleeve component being arranged in the shell, wherein described to insert
Covering includes the above-mentioned pole E plug bush structure in component.
The beneficial effects obtained by the present invention are as follows due to being arranged the resilient support arms at the fixed part both ends, and by institute
Clamping part is stated to be connected in the resilient support arms.It is described in this way after the pole the E bolt on plug is inserted between the clamping part
Clamping part can clamp the pole E bolt by the elastic force of the resilient support arms, to make the pole E plug bush structure and the pole E bolt
Contact it is more reliable, to avoid the occurrence of security risk.
The present invention be also provided with the matched wire connecting portion of the mounting hole, in this way in the pole the E plug bush structure wiring
When, the wire connecting portion can be compressed by tightening the screw being inserted into the connecting terminal, be locked by the wire connecting portion
Penetrate the conducting wire in the mounting hole.Since the area of the wire connecting portion is big, locking conducting wire by the wire connecting portion, this is
It will not be damaged to conducting wire, to keep contact of the pole the E plug bush structure with conducting wire more reliable.It is just flexible circuit conductor also due to described
Wire connecting portion and the contact area of flexible circuit conductor are big, to keep contact of the pole the E plug bush structure with flexible circuit conductor more reliable.
Detailed description of the invention
Fig. 1 is overall structure diagram provided in an embodiment of the present invention；
Fig. 2 is bolt structure schematic diagram provided in an embodiment of the present invention；
Fig. 3 is connection terminal structure schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of plug bush structure schematic diagram provided in an embodiment of the present invention；
Fig. 5 is another plug bush structure schematic diagram provided in an embodiment of the present invention；
Fig. 6 is simulation mounting structure schematic diagram provided in an embodiment of the present invention；
Fig. 7 is the arrangement schematic diagram after plug bush structure expansion provided in an embodiment of the present invention.
Wherein, 1, screw；11, head；12, anti-delinking part；13, threaded portion；14, tail portion；2, connecting terminal；21, threaded hole；
22, mounting hole；23, non-slip groove；3, sleeve；31, line pressing portion；311, guide part；32, fixed part；33, extension；34, arc
Portion；341, reinforcing rib；35, clamping part；4, the pole E bolt；5, conducting wire.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The pole E sleeve is not only contacted with the pole the E bolt of plug unreliable in existing three pole socket, also with insertion connecting terminal
In conductive contact it is also unreliable.The present invention is added to the elastic branch gripping arm connecting with clamping part, passes through resilient support arms
Elastic force that the pole E sleeve can be made to contact with the pole E bolt is more reliable.Also added one with mounting hole in connecting terminal is matched connects
Line portion locks conducting wire by wire connecting portion to keep the pole E sleeve and conductive contact more reliable.
Embodiment one
A kind of pole E plug bush structure of three pole sockets, in conjunction with shown in attached drawing 1 to attached drawing 7, comprising:
Connecting terminal 2 is provided with the mounting hole 22 for accessing conducting wire 5 on connecting terminal 2, also sets up on connecting terminal 2
There is threaded hole 21 that is vertical with mounting hole 22 and being connected to.
Screw 1, screw 1 are matched with threaded hole 21.
Sleeve 3, sleeve 3 include: with the matched wire connecting portion of mounting hole 22, the fixed part 32 being connect with wire connecting portion one end, set
The resilient support arms at 32 both ends of fixed part are set, and the clamping part 35 connecting with resilient support arms, clamping part 35 pass through elasticity
The elastic force that support arm generates is to clamp bolt.
In the present embodiment, as shown in Fig. 2, screw 1 includes tail portion 14, the threaded portion 13 connecting with tail portion 14 and spiral shell
The head 11 that line portion 13 connects, head 11 is provided with annular protrusion to form anti-delinking part 12.Tail portion 14 to far from screw thread direction
It is provided with an inclined-plane, so that the diameter of tail portion 14 be made to be less than threaded portion 13.Setting can enable tail portion 14 better in this way
Wire connecting portion is compressed, so that wire connecting portion be made also preferably to lock conducting wire 5.
In the present embodiment, as shown in Fig. 6, wire connecting portion is matched with mounting hole 22, and the length for being equivalent to wire connecting portion is equal to
The length of mounting hole 22, and can be inserted into mounting hole 22.Setting can tighten screw 1 and compress in 3 wiring of sleeve in this way
The wire connecting portion being inserted into mounting hole 22 locks the conducting wire 5 in insertion mounting hole 22 by wire connecting portion, avoids conducting wire 5 from damaging with this,
Play better locking wire effect.
Certainly, the length of wire connecting portion can also be disposed greater than 22 socket of mounting hole according to actual needs and go out to threaded hole 21
In the straight length range of mouth bottom end.It is in this way also the effect that can be played protection conducting wire 5 and lock conducting wire 5.But relative to connecing
The length in line portion is equal to or more than for the length of mounting hole 22, and the effect of protection guiding and locking conducting wire 5 is more weaker.
In the present embodiment, as shown in Fig. 4, resilient support arms include: the extension 33 being connect with fixed part 32, with prolong
The curved portion 34 that extending portion 33 connects, curved portion 34 are arcuate structure, and clamping part 35 is connect with curved portion 34.Wherein, extension 33
It is vertically arranged with fixed part 32, forms U-shaped structure between two extensions 33 and fixed part 32, curved portion 34 is arranged in extension
One end in 33 both ends.
By the way that curved portion 34 is arranged, elastic force can be applied to clamping part 35 to keep the clamping part 35 being oppositely arranged better
The pole the E bolt 4 on plug is clamped, keeps its contact more reliable.And extension 33, which is arranged, then can make curved portion 34 overhanging, thus more
The position of good setting clamping part 35, facilitates insertion into the pole E bolt 4 in sleeve 3.
In the present embodiment, as shown in Fig. 4, curved portion 34 is horizontally set on extension 33.Because horizontal direction
Arc elastic structure is more powerful relative to the flexible deformation function of the arc elastic structure of vertical direction, thereby may be ensured that E
Pole bolt 4 and sleeve 3 are more efficient, reliably contact, and then guarantee that the ground protection function of sleeve 3 is safer and more reliable.
In the present embodiment, as shown in attached drawing 4 or attached drawing 6, reinforcing rib 341 is provided in curved portion 34.By in arc
Reinforcing rib 341 is set in portion 34, the elasticity of curved portion 34 can be increased, also, curved portion can be avoided with strengthening arc-shaped portion 34
34 damages.
In the present embodiment, as shown in Fig. 4, wire connecting portion include: with the matched line pressing portion 31 of mounting hole 22 and with pressure
The guide part 311 that line portion 31 connects, guide part 311 are arcuate structure.Wherein, the length of line pressing portion 31 is equal to mounting hole 22
Length, the end of line pressing portion 31 is arranged in guide part 311, and is arranged to the direction far from mounting hole 22.
By the way that the line pressing portion 31 with 22 equal length of mounting hole is arranged, line pressing portion 31 can be made to compress completely in wiring
The conducting wire 5 being inserted into mounting hole 22, avoids the damage wires 5 in locking wire, and keep locking wire effect more preferable.And at the end of line pressing portion 31
Guide part 311 is arranged in portion, and guide part 311 is arcuate structure, and guide part 311 is arranged to the direction far from mounting hole 22, in this way
When being inserted into conducting wire 5 in mounting hole 22, a guiding role can be played, is convenient for quick insertion conducting wire 5.
As another alternative embodiment of the present embodiment, as shown in Fig. 4, guide part 311 by line pressing portion 31 bottom end
Bending is formed.By the way that into a single integrated structure, manufacture easy to produce, save the cost are arranged with line pressing portion 31 for guide part 311.
In the present embodiment, as shown in Fig. 4, the insertion end of clamping part 35 is arcuate structure.Two such clamping part 35
Insertion end formed socket be then V-structure, when the pole E bolt 4 be inserted into when, arcuate structure can play a guiding role,
Consequently facilitating the insertion of the pole E bolt 4.
In the present embodiment, when original state, the gap between two clamping parts 35 is less than the thickness of bolt.Work as E in this way
When pole bolt 4 is inserted between two clamping parts 35, since two clamping parts 35 of stress are opened, the pole E bolt 4 is inserted into, at this point, two
Clamping part 35 drives the curved portion 34 being attached thereto that flexible deformation occurs respectively, makes to produce between two clamping parts 35 and the pole E bolt 4
Raw normal pressure keeps its contact more reliable to preferably clamp the pole E bolt 4.
In the present embodiment, as shown in Fig. 7, sleeve 3 is y-type structure after being fully deployed.It is inserted in this way in arrangement setting
When covering 3, it can be ensured that the high usage of material reduces cost, saves social resources.
In the present embodiment, as shown in Fig. 4, fixed part 32 is vertical with wire connecting portion.It can guarantee in this way in insertion conducting wire 5
When, the effect of a blocking conducting wire 5 is played, the depth for guaranteeing that conducting wire 5 is inserted into mounting hole 22 is suitable, so that insertion be avoided to install
Conducting wire 5 in hole 22 is too long.
In the present embodiment, as shown in Fig. 3, non-slip groove 23 is provided in mounting hole 22.It, can by the way that non-slip groove 23 is arranged
To prevent conducting wire 5 from sliding, loosening in connecting groove, to keep wiring more stable, reliable.
As shown in Fig. 6, wire connecting portion is first inserted into mounting hole 22 by the present invention in conducting wire 5.Then, it will access
Insulating layer is removed in one end of conducting wire 5, is inserted into mounting hole 22 by 5 guiding roles of conducting wire, until being fixed the resistance of portion 32
Until gear can not be inserted into, finally, screw 1 is inserted into threaded hole 21, and screw 1 is twisted by tool, until 1 tail portion 14 of screw
Touch line pressing portion 31 and until screw 1 can not twist rotation.At this point, conducting wire 5 is sandwiched in the interior of line pressing portion 31 and mounting hole 22
Between wall, to complete the installation of conducting wire 5.
In the present embodiment, as shown in figures 4 and 5, wire connecting portion is specifically located in the opposite both ends of fixed plate
Wherein one end, being specifically located at that end can set according to actual needs, and can play identical effect.
In the present invention, the pole E plug bush structure is also used as the pole L sleeve and the pole N sleeve in socket, certainly, the present invention
The pole E plug bush structure can also be on two pole sockets, being equivalent to using the pole E plug bush structure as the pole the L sleeve on two pole sockets
With the pole N sleeve.
Embodiment two
A kind of socket, comprising: at least one sleeve component of shell and setting inside the shell, wherein such as the institute of Fig. 1 to 7
Show, the pole the E plug bush structure in institute's sleeve component includes:
Connecting terminal 2 is provided with the mounting hole 22 for accessing conducting wire 5 on connecting terminal 2, also sets up on connecting terminal 2
There is threaded hole 21 that is vertical with mounting hole 22 and being connected to；
Screw 1, screw 1 are matched with threaded hole 21；
Sleeve 3, sleeve 3 include: with the matched wire connecting portion of mounting hole 22, the fixed part 32 being connect with wire connecting portion one end, set
The resilient support arms at 32 both ends of fixed part are set, and the clamping part 35 connecting with resilient support arms；Clamping part 35 passes through elasticity
The elastic force that support arm generates is to clamp the pole E bolt 4.
By using the pole the E plug bush structure, the pole E sleeve and the pole E bolt 4 in socket can be made to contact more reliable, and energy
Preferably the conducting wire 5 in locking access connecting terminal 2 avoids the occurrence of security risk to improve Electrical Safety.
Wherein, sleeve component includes: firewire (pole L) sleeve, zero curve (pole N) sleeve and ground wire (pole E) sleeve 3.
Certainly, in the present embodiment, the knot of the above-mentioned pole E sleeve also can be used in the pole L sleeve and the pole N sleeve
Structure.
To sum up, the present invention makes the pole the E sleeve and E of socket by one resilient support arms connecting with clamping part 35 of addition
The contact of pole bolt 4 is more reliable, to ensure that the ground protection function of the pole E sleeve.It also added one and mounting hole 22
Matched wire connecting portion keeps the connection of conducting wire 5 and terminal 2 also more reliable.Also, sleeve 3 is fully deployed rear or y-type structure,
When carrying out arrangement setting, the utilization of material is also improved, reduces cost, saves social resources.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of pole E plug bush structure of three pole sockets characterized by comprising
Connecting terminal is provided with the mounting hole for accessing conducting wire on the connecting terminal, is additionally provided on the connecting terminal
Threaded hole that is vertical with the mounting hole and being connected to；
Screw, the screw are matched with the threaded hole；
Sleeve, the sleeve include: with the matched wire connecting portion of the mounting hole, the fixed part being connect with described wire connecting portion one end,
The resilient support arms at the fixed part both ends, and the clamping part connecting with the resilient support arms, the clamping part are set
By elastic force that the resilient support arms generate to clamp the pole E bolt.
2. the pole the E plug bush structure of three pole sockets of one kind as described in claim 1, which is characterized in that the resilient support arms packet
Include: the extension connecting with the fixed part, the curved portion connecting with the extension, the curved portion are arcuate structure.
3. the pole the E plug bush structure of three pole sockets of one kind as described in claim 1, which is characterized in that the resilient support arms
On be provided with reinforcing rib.
4. the pole the E plug bush structure of three pole sockets of one kind as described in claim 1, which is characterized in that the wire connecting portion include: with
The guide part mounting hole matched line pressing portion and connect with the line pressing portion, the guiding position are arcuate structure.
5. the pole the E plug bush structure of three pole sockets of one kind as described in claim 1, which is characterized in that described two clamping parts it
Between gap be less than the pole E bolt thickness.
6. the pole the E plug bush structure of three pole sockets of one kind as described in claim 1, which is characterized in that the insertion of the clamping part
End is arcuate structure.
7. the pole the E plug bush structure of three pole sockets of one kind as described in claim 1, which is characterized in that the sleeve expands into Y type
Structure.
8. the pole the E plug bush structure of three pole sockets of one kind as described in claim 1, which is characterized in that the fixed part with it is described
Wire connecting portion is vertical.
9. the pole the E plug bush structure of three pole sockets of one kind as described in claim 1, which is characterized in that setting in the mounting hole
There is non-slip groove.
10. a kind of socket characterized by comprising shell and at least one sleeve component being arranged in the shell,
It wherein, include the pole E as described in any one of claim 1 to 9 plug bush structure in the sleeve component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648836.5A CN110444942A (en) | 2019-07-18 | 2019-07-18 | A kind of pole the E plug bush structure and socket of three pole sockets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648836.5A CN110444942A (en) | 2019-07-18 | 2019-07-18 | A kind of pole the E plug bush structure and socket of three pole sockets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110444942A true CN110444942A (en) | 2019-11-12 |
Family
ID=68430806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910648836.5A Pending CN110444942A (en) | 2019-07-18 | 2019-07-18 | A kind of pole the E plug bush structure and socket of three pole sockets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110444942A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201163675Y (en) * | 2008-02-29 | 2008-12-10 | 西门子公司 | Insertion sleeve of power socket |
| CN201408865Y (en) * | 2009-04-28 | 2010-02-17 | 霍尼韦尔朗能电器系统技术（广东）有限公司 | Socket |
| CN203423288U (en) * | 2013-08-20 | 2014-02-05 | 广东锦力电器有限公司 | Socket insertion sleeve structure |
| CN203734024U (en) * | 2014-01-21 | 2014-07-23 | 公牛集团有限公司 | Removable socket |
| CN204011856U (en) * | 2014-07-03 | 2014-12-10 | 公牛集团有限公司 | Socket plug-in cover structure |
| CN205406789U (en) * | 2016-02-29 | 2016-07-27 | 佛山市顺德区美至美电器制造有限公司 | Concealed type switch socket |
| CN207338711U (en) * | 2017-10-19 | 2018-05-08 | 胡文章 | A kind of sleeve component and socket |
-
2019
- 2019-07-18 CN CN201910648836.5A patent/CN110444942A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201163675Y (en) * | 2008-02-29 | 2008-12-10 | 西门子公司 | Insertion sleeve of power socket |
| CN201408865Y (en) * | 2009-04-28 | 2010-02-17 | 霍尼韦尔朗能电器系统技术（广东）有限公司 | Socket |
| CN203423288U (en) * | 2013-08-20 | 2014-02-05 | 广东锦力电器有限公司 | Socket insertion sleeve structure |
| CN203734024U (en) * | 2014-01-21 | 2014-07-23 | 公牛集团有限公司 | Removable socket |
| CN204011856U (en) * | 2014-07-03 | 2014-12-10 | 公牛集团有限公司 | Socket plug-in cover structure |
| CN205406789U (en) * | 2016-02-29 | 2016-07-27 | 佛山市顺德区美至美电器制造有限公司 | Concealed type switch socket |
| CN207338711U (en) * | 2017-10-19 | 2018-05-08 | 胡文章 | A kind of sleeve component and socket |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |