CN109994878A - Closed plug connector - Google Patents
Closed plug connector Download PDFInfo
- Publication number
- CN109994878A CN109994878A CN201711498372.1A CN201711498372A CN109994878A CN 109994878 A CN109994878 A CN 109994878A CN 201711498372 A CN201711498372 A CN 201711498372A CN 109994878 A CN109994878 A CN 109994878A
- Authority
- CN
- China
- Prior art keywords
- protection cap
- female
- trigger device
- horizontal
- jack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000009471 action Effects 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 13
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000003032 molecular docking Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- 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
- H01R13/64—Means for preventing incorrect coupling
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention relates to closed plug connectors; it include the female of jack, protection cap, the trigger device for being used to block jack in female; and the linkage mechanism between trigger device and protection cap, when pushing trigger device, protection cap horizontal opening under the action of linkage mechanism；When losing external force, protection cap restores closed state in the effect of reset spring；The location hole for installing trigger device is provided in female, location hole is opening up, and trigger device is mounted in location hole；There is the guide pile for taking electric metal piece and be adapted to location hole being adapted to jack in male connector.The present invention is provided with the protection cap for blocking jack in female, prevents liquid entry into the jack of female, makes liquid cleaning get up to be more convenient to be easy, while can avoid that accident occurs, can more prevent damage equipment；When being inserted into male connector, protection cap can be automatically opened, facilitates docking for male connector and female；When pulling away male connector, protection cap can be automatically closed, it is easy to operate, securely and reliably.
Description
Technical field
The present invention relates to pluggable connecting device technical field more particularly to closed plug connectors.
Background technique
Pluggable connecting device generally includes the female with the male connector for taking electric metal piece and with jack, due to female band
There is jack, easy to clean is not allowed when there is liquid to enter in jack, is also easy to damage equipment.
Summary of the invention
The present invention is intended to provide closed plug connector, the protection cap for blocking jack is provided in female, is avoided
Liquid enters in the jack of female, makes liquid cleaning get up to be more convenient to be easy, while can avoid that accident occurs, can more prevent from damaging
Equipment.
In order to achieve the above objectives, The technical solution adopted by the invention is as follows:
Closed plug connector, including female, the female are equipped with opening up jack, and closed plug connector is also
Including the connection being arranged between protection cap, trigger device and trigger device and the protection cap for blocking jack in female
Motivation structure, when pushing trigger device, protection cap horizontal opening under the action of linkage mechanism；When losing external force, protection cap is multiple
The effect of position spring restores closed state.
Further, the location hole for installing trigger device is provided in the female, location hole is opening up, described
Trigger device is mounted in location hole.
Wherein, the trigger device includes spring and movable part, and movable part is located above spring, the side wall of location hole
There is the straight guide groove being vertically arranged；The female is equipped with the horizontal concrete chute being adapted to protection cap, and described protection cap one end is set to
It can slide in horizontal concrete chute and along horizontal concrete chute level；
The linkage mechanism includes straight-arm, fixed pulley, traction rope and gear and rack teeth mechanism, and the gear and rack teeth mechanism includes
Gear and the vertical tooth rack being vertically arranged, described straight-arm one end passes through straight guide groove and movable part is affixed, the straight-arm other end and
One end of traction rope is affixed, and the other end of traction rope connect around fixed pulley with vertical tooth rack, and fixed pulley is located above straight-arm；When
When pressing movable part, vertical tooth rack moves up under the action of traction rope, and protection cap is horizontal under the action of vertical tooth rack
It opens.
Wherein, the bottom surface of the protection cap and gear mesh.
Alternatively, closed plug connector further includes horizontal rack, and the bottom surface of the horizontal rack and gear mesh, protection cap
It is affixed with horizontal rack.
Further, described reset spring one end and female are affixed, and the reset spring other end is connect with horizontal rack.
Further, protection cap is matched there are two trigger device, and protection cap is located between two trigger devices, each triggering dress
It sets equipped with a linkage mechanism.
It is further preferred that the protection cap and trigger device it is equal there are two, each trigger device is matched there are two gear
Structure, two linkage mechanisms being connected with the same trigger device are connect with one of protection cap respectively；When pressing movable part
When, the direction of motion of two protection caps is opposite.
Alternatively, the trigger device includes movable part, the linkage mechanism includes horizontal pushing block, and the side wall of location hole has
The horizontal guide hole being adapted to horizontal pushing block；
There is the through-hole being adapted to jack in the protection cap, one end of horizontal pushing block and one end of protection cap connect, protection
The other end of lid is connect with reset spring, and through-hole under the action of reset spring in protection cap is staggered completely with jack, at this time
The horizontal pushing block other end passes through horizontal guide hole and puts in location hole；
The movable part is wedge shape, and when pressing movable part, movable part moves horizontally horizontal pushing block and protection cap
To make the through-hole and jack face in protection cap；When losing external force, protection cap returns to initial bit under the action of reset spring
It sets.
Further, closed plug connector further includes male connector, has what is be adapted to jack to take electric metal piece in the male connector
Movable part is pushed extremely when guide pile is put in location hole when docking male connector and female with the guide pile being adapted to location hole
When protection cap fully opens, electric metal piece is taken just to contact with jack.
Compared with prior art, the invention has the following advantages:
1. the present invention is provided with the protection cap for blocking jack in female, prevent liquid entry into the jack of female,
Make liquid cleaning get up to be more convenient to be easy, while can avoid that accident occurs, can more prevent damage equipment；
2. the male connector being adapted to therewith is equipped with the guide pile being adapted to female trigger device can be automatic when being inserted into male connector
Protection cap is opened, docking for male connector and female is facilitated；When pulling away male connector, protection cap can be automatically closed, it is easy to operate, safely may be used
It leans on.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of female when protection cap is closed in embodiment 1；
Fig. 2 is the structural schematic diagram of female when protection cap fully opens in embodiment 1；
Fig. 3 is the structural schematic diagram of linkage mechanism in embodiment 1；
Fig. 4 is the structural schematic diagram of male connector in embodiment 1；
Fig. 5 is the structural schematic diagram of female when protection cap is closed in embodiment 2；
Fig. 6 is the structural schematic diagram of female when protection cap partially opens in embodiment 2；
Fig. 7 is the structural schematic diagram of female when protection cap fully opens in embodiment 2；
Fig. 8 is the structural schematic diagram of linkage mechanism in embodiment 2；
Fig. 9 is the top view of female when protection cap being not shown in embodiment 3；
Figure 10 is the structural schematic diagram of protection cap in embodiment 3；
Figure 11 is the top view of female when protection cap is closed in embodiment 3；
Figure 12 is the main view partial sectional view of female when protection cap is closed in embodiment 3；
Figure 13 is the top view of female when protection cap is opened in embodiment 3；
Figure 14 is the main view partial sectional view of female when movable part moves to minimum point in embodiment 3；
Figure 15 is the structural schematic diagram of male connector in embodiment 3；
In figure: 1- female, 2- protection cap, 3- location hole, 4- jack, 5- spring, 6- movable part, 7- straight-arm, 8- are slided surely
Wheel, 9- traction rope, 10- vertical tooth rack, 11- gear, 12- horizontal rack, 13- reset spring, the horizontal pushing block of 14-, 15- level are led
Xiang Kong, 16- male connector, 17- take electric metal piece, 18- guide pile, 21- horizontal concrete chute, 22- through-hole.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing, to the present invention into
Row is further described.
Embodiment 1
As shown in Figure 1, 2, closed plug connector disclosed in the present embodiment, including female 1, the female 1 are equipped with and open
The jack 4 of mouth upward, closed plug connector further include the protection cap 2 for blocking jack 4 being arranged in female 1, triggering
Linkage mechanism between device and trigger device and protection cap 2, when pushing trigger device, work of the protection cap 2 in linkage mechanism
With lower horizontal opening；When losing external force, protection cap 2 restores closed state in the effect of reset spring 13.
As shown in figure 3, trigger device includes spring 5 and movable part 6, it is provided in female 1 for installing trigger device
Location hole 3, location hole 3 is opening up, and trigger device is mounted in location hole 3, and movable part 6 is located at the top of spring 5, positioning
The side wall in hole 3 has the straight guide groove 31 being vertically arranged；Female 1 is equipped with the horizontal concrete chute 21 being adapted to protection cap 2, protection cap 21
One end is set in horizontal concrete chute 21 and can be along the horizontal sliding of horizontal concrete chute 21；
There is the cavity for installing linkage mechanism in female 1, linkage mechanism includes straight-arm 7, fixed pulley 8,9 and of traction rope
Gear and rack teeth mechanism, gear and rack teeth mechanism include gear 11 and the vertical tooth rack 10 that is vertically arranged, and 7 one end of straight-arm passes through straight guiding
Slot 31 and movable part 6 are affixed, and 7 other end of straight-arm and one end of traction rope 9 are affixed, and the other end of traction rope 9 bypasses fixed pulley 8
It is connect with vertical tooth rack 10, fixed pulley 8 is located at 7 top of straight-arm；When pressing movable part 6, vertical tooth rack 10 is in traction rope 9
It is moved up under effect, horizontal opening under the action of vertical tooth rack 10 of protection cap 2.Wherein, the bottom surface of protection cap 2 and gear 11
It is ratcheting.Alternatively, closed plug connector further includes horizontal rack 12, the bottom surface of horizontal rack 12 and gear 11 are ratcheting, protection cap 2
It is affixed with horizontal rack 12.13 one end of reset spring and female 1 are affixed, and 13 other end of reset spring is connect with horizontal rack 12.
The installation of vertical tooth rack 10, horizontal rack 12, fixed pulley 8 and gear 11 is routine techniques, herein without repeating.
As shown in figure 3, protection cap 2 is matched there are two trigger device, protection cap 2 is located between two trigger devices, each touching
Transmitting apparatus is furnished with a linkage mechanism.
As shown in figure 4, closed plug connector further includes male connector 16, has in male connector 16 and take electric metal with what jack 4 was adapted to
Piece 17 and the guide pile 18 being adapted to location hole 3, there are two guide piles 18, take electric metal piece 17 be located at two guide piles 18 it
Between.Guide pile 18, which is higher than, in the present embodiment takes electric metal piece 17, and when docking male connector 16 and female 1, guide pile 18 first puts in fixed
Position pushes movable part 6 in hole 3, and the one end for connecting traction rope 9 with straight-arm 7 moves down, and traction rope 9 and vertical tooth rack 10 connect
The one end connect moves up, and the band moving gear 11 that moves up of vertical tooth rack 10 rotates, and horizontal rack 12 translates outward and compresses bullet
Spring 13, protection cap 2 are translated outward and then are gradually opened with horizontal rack 12, since traction rope 9 is tensioned state, so that hanging down
Spur rack 10, gear 11 and horizontal rack 12 are locking state to each other.
After fully opening to protection cap 2,17 ability of electric metal piece is taken to contact with jack 4, as male connector 16 continues to move down,
Guide pile 18 continue push movable part 6, take electric metal piece 17 be gradually inserted in jack 4 until grafting in place.If at this moment
There is liquid to be sprinkled upon in female 1, can first take out male connector 16, with moving up for male connector 16, effect of the movable part 6 in spring 5
Under move up, traction rope 9 becomes slack at this time, reduces to the active force of vertical tooth rack 10, so that vertical tooth rack 10,11 and of gear
Horizontal rack 12 is to each other non-locking state, thus horizontal rack 12 translates inwardly under the elastic force of compressed spring 13, makes
Protection cap 2 is inwardly translated and then is progressively closed off with horizontal rack 12, and the inside translation carry moving gear 11 of horizontal rack 12 is anti-
To rotation, vertical tooth rack 10 is moved down.In the moment that male connector 16 pulls away, protection cap 2 is instantaneously closed, and is prevented liquid entry into jack 4,
Make liquid cleaning get up to be more convenient to be easy, while can avoid that accident occurs, can more prevent damage equipment.
Embodiment 2
The present embodiment the difference from embodiment 1 is that: as shown in Fig. 5,6,7,8, protection cap 2 and trigger device have two
A, each trigger device is matched there are two linkage mechanism, and two linkage mechanisms being connected with the same trigger device are respectively and wherein
One protection cap 2 connects；When pressing movable part 6, the direction of motion of two protection caps 2 is opposite.
A movable part 6 is connect with two linkage mechanisms simultaneously in the present embodiment, while controlling beating for two protection caps 2
It opens or is closed.When female model is identical, jack 4 is collectively covered using two protection caps 2 in the present embodiment, relative to implementation
For the single protection cap of example 1, the movement travel of protection cap 2 can reduce half, be conducive to the volume for reducing female.
Embodiment 3
The present embodiment the difference from embodiment 1 is that: as shown in Fig. 9,12,13, trigger device includes movable part 6, female
Location hole 3 is provided on first 1, location hole 3 is opening up, and movable part 6 is mounted in location hole 3, and linkage mechanism includes level
Pushing block 14, the side wall of location hole 3 have the horizontal guide hole 15 being adapted to horizontal pushing block 14.
As shown in Figure 10,11,12,13,14, there is the through-hole 22 being adapted to jack 4 in protection cap 2, the one of horizontal pushing block 14
End is connect with one end of protection cap 2, and the other end of protection cap 2 is connect with reset spring 13, is protected under the action of reset spring 13
Through-hole 22 on protecting cover 2 is staggered completely with jack 4, and horizontal 14 other end of pushing block passes through horizontal guide hole 15 and puts in location hole at this time
In 3.
Movable part 6 is wedge shape, and when pressing movable part 6, movable part 6 makes horizontal pushing block 14 and the horizontal shifting of protection cap 2
Move to make the through-hole 22 and 4 face of jack in protection cap 2；When losing external force, protection cap 2 is returned under the action of reset spring 13
To initial position.
As shown in figure 15, only one guide pile 18 in male connector 16 in the present embodiment, guide pile 18, which is located at, takes electric metal piece
17 sides.
When docking male connector 16 and female 1, guide pile 18 first puts in pushing movable part 6 in location hole 3, due to movable part
Part 6 is wedge shape, when movable part 6 moves down, can gradually flat-pushing piece 14 of water of compaction, make horizontal pushing block 14 along horizontal guide hole
15 levels are moved to the left, and 2 level of protection cap is then made to be moved to the left simultaneously compression reseting spring 13, as the level of protection cap 2 is left
It moves, the through-hole 22 in protection cap 2 is gradually close to the jack 4 being adapted to therewith.
After the through-hole 22 in protection cap 2 is with 4 face of jack, 17 ability of electric metal piece is taken to contact with jack 4, with male connector 16
Continue to move down, guide pile 18 continues to push movable part 6, takes electric metal piece 17 to be gradually inserted in jack 4 until being plugged into
Position, as shown in figure 14, guide pile 18 is moved to minimum point at this time.If there is liquid to be sprinkled upon in female 1 at this moment, public affairs can be first taken out
First 16, with moving up for male connector 16, the extruding force of 6 pairs of movable part horizontal pushing blocks 14 reduces, and protection cap 2 is in reset spring
Gradually level moves right under the action of 13, and in the moment that male connector 16 pulls away, protection cap 2 instantaneously returns to closing, prevents liquid entry into
In jack 4.
Make liquid cleaning get up to be more convenient to be easy, while can avoid that accident occurs, can more prevent damage equipment
Certainly, the present invention can also have other numerous embodiments, without deviating from the spirit and substance of the present invention,
Those skilled in the art can make various corresponding changes and modifications, but these corresponding changes and change according to the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (10)
1. closed plug connector, including female (1), the female (1) is equipped with opening up jack (4), and feature exists
In: further include be arranged on female (1) for block protection cap (2), trigger device and the trigger device of jack (4) with
Linkage mechanism between protection cap (2), when pushing trigger device, protection cap (2) horizontal opening under the action of linkage mechanism；When
External force is lost, protection cap (2) restores closed state in the effect of reset spring (13).
2. closed plug connector according to claim 1, it is characterised in that: be provided on the female (1) for pacifying
The location hole (3) of trigger device is filled, location hole (3) is opening up, and the trigger device is mounted in location hole (3).
3. closed plug connector according to claim 2, it is characterised in that: the trigger device include spring (5) and
Movable part (6), movable part (6) are located above spring (5), and the side wall of location hole (3) has the straight guide groove being vertically arranged
(31)；The female (1) is equipped with the horizontal concrete chute (21) being adapted to protection cap (2), and described protection cap (21) one end is set to water
And it can be along the horizontal sliding of horizontal concrete chute (21) in smooth slot (21)；
The linkage mechanism includes straight-arm (7), fixed pulley (8), traction rope (9) and gear and rack teeth mechanism, the rack-and-pinion machine
Structure includes gear (11) and the vertical tooth rack (10) being vertically arranged, and described straight-arm (7) one end passes through straight guide groove (31) and activity
Component (6) is affixed, and straight-arm (7) other end and one end of traction rope (9) are affixed, and the other end of traction rope (9) bypasses fixed pulley (8)
It is connect with vertical tooth rack (10), fixed pulley (8) is located above straight-arm (7)；When pressing movable part (6), vertical tooth rack (10)
It is moved up under the action of traction rope (9), protection cap (2) horizontal opening under the action of vertical tooth rack (10).
4. closed plug connector according to claim 3, it is characterised in that: the bottom surface of the protection cap (2) and gear
(11) ratcheting.
5. closed plug connector according to claim 3, it is characterised in that: further include horizontal rack (12), the water
The bottom surface of flat tooth item (12) and gear (11) are ratcheting, and protection cap (2) and horizontal rack (12) are affixed.
6. closed plug connector according to claim 5, it is characterised in that: described reset spring (13) one end and female
(1) affixed, reset spring (13) other end is connect with horizontal rack (12).
7. the closed plug connector according to claim 3,4,5 or 6, it is characterised in that: protection cap (2) is with there are two touchings
Transmitting apparatus, protection cap (2) are located between two trigger devices, and each trigger device is furnished with a linkage mechanism.
8. closed plug connector according to claim 7, it is characterised in that: the protection cap (2) and trigger device are equal
There are two, each trigger device is matched there are two linkage mechanism, two linkage mechanisms being connected with the same trigger device respectively with
One of protection cap (2) connection；When pressing movable part (6), the direction of motion of two protection caps (2) is opposite.
9. closed plug connector according to claim 2, it is characterised in that: the trigger device includes movable part
(6), the linkage mechanism includes horizontal pushing block (14), and the side wall of location hole (3) has the level being adapted to horizontal pushing block (14) to lead
To hole (15)；
There are the through-hole (22) being adapted to jack (4), one end and protection cap (2) of horizontal pushing block (14) on the protection cap (2)
One end connection, the other end of protection cap (2) are connect with reset spring (13), the protection cap (2) under the action of reset spring (13)
On through-hole (22) be staggered completely with jack (4), at this time horizontal pushing block (14) other end pass through horizontal guide hole (15) put in it is fixed
In position hole (3)；
The movable part (6) is wedge shape, and when pressing movable part (6), movable part (6) makes horizontal pushing block (14) and protection cap
(2) move horizontally to make the through-hole (22) and jack (4) face on protection cap (2)；When losing external force, protection cap (2) is multiple
Initial position is returned under the action of position spring (13).
10. the closed plug connector according to claim 2,3 or 9, it is characterised in that: it further include male connector (16), it is described
There is the guide pile (18) for taking electric metal piece (17) and be adapted to location hole (3) being adapted to jack (4) in male connector (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711498372.1A CN109994878A (en) | 2017-12-29 | 2017-12-29 | Closed plug connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711498372.1A CN109994878A (en) | 2017-12-29 | 2017-12-29 | Closed plug connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109994878A true CN109994878A (en) | 2019-07-09 |
Family
ID=67111147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711498372.1A Pending CN109994878A (en) | 2017-12-29 | 2017-12-29 | Closed plug connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109994878A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797696A (en) * | 2019-11-19 | 2020-02-14 | 嵊州市慧洁日用品有限公司 | Socket capable of changing angle of jack |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233998Y (en) * | 2008-07-31 | 2009-05-06 | 南车资阳机车有限公司 | Head cart type tight coupler having flip cover mechanism |
| CN203466352U (en) * | 2013-09-11 | 2014-03-05 | 宁波公牛电器有限公司 | Self-reset type USB jack protection structure and power supply socket provided with structure |
| CN106785657A (en) * | 2017-02-24 | 2017-05-31 | 武汉浩宏科技有限公司 | A kind of charging pile with socket protection cover |
| CN107240792A (en) * | 2017-05-27 | 2017-10-10 | 西安精雕软件科技有限公司 | A kind of water proof and dust proof quick plug and method of work |
| CN207753237U (en) * | 2017-12-29 | 2018-08-21 | 四川大学华西第二医院 | Closed plug connector |
-
2017
- 2017-12-29 CN CN201711498372.1A patent/CN109994878A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233998Y (en) * | 2008-07-31 | 2009-05-06 | 南车资阳机车有限公司 | Head cart type tight coupler having flip cover mechanism |
| CN203466352U (en) * | 2013-09-11 | 2014-03-05 | 宁波公牛电器有限公司 | Self-reset type USB jack protection structure and power supply socket provided with structure |
| CN106785657A (en) * | 2017-02-24 | 2017-05-31 | 武汉浩宏科技有限公司 | A kind of charging pile with socket protection cover |
| CN107240792A (en) * | 2017-05-27 | 2017-10-10 | 西安精雕软件科技有限公司 | A kind of water proof and dust proof quick plug and method of work |
| CN207753237U (en) * | 2017-12-29 | 2018-08-21 | 四川大学华西第二医院 | Closed plug connector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797696A (en) * | 2019-11-19 | 2020-02-14 | 嵊州市慧洁日用品有限公司 | Socket capable of changing angle of jack |
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