CN106877068A - It is a kind of to insert the grafting hydrant arrangements of electric connection and its plug for hanging up electricity - Google Patents
It is a kind of to insert the grafting hydrant arrangements of electric connection and its plug for hanging up electricity Download PDFInfo
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- CN106877068A CN106877068A CN201710239141.2A CN201710239141A CN106877068A CN 106877068 A CN106877068 A CN 106877068A CN 201710239141 A CN201710239141 A CN 201710239141A CN 106877068 A CN106877068 A CN 106877068A
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- China
- Prior art keywords
- plug
- socket
- guide ledges
- closing piece
- electric connection
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- 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
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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
- 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
-
- 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
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- 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
- H01R13/627—Snap or like fastening
Abstract
The invention discloses a kind of grafting hydrant arrangements of electric connection and its plug inserted and hang up electricity, belong to conductive connecting device field.Arrangements of electric connection of the invention, including grafting hydrant plug and grafting hydrant socket, the plug-bolt side wall of plug is provided with guide ledges, the socket inwall of socket is provided with the closing piece being engaged with guide ledges, and the bottom of guide ledges is provided with the top of closing piece can make plug be readily inserted into the easy inserting structure being powered in socket；The top of guide ledges is provided with the bottom of closing piece can stop the plug backing stop structure that inertia is extracted from socket；The top of guide ledges is additionally provided with the bottom of closing piece can make plug that the unhook structure extracted is forced from socket.Resistance very little during plug insertion socket of the invention, there is larger resistance in power process is extracted, plug is set to pause and be suspended in socket when power-off is extracted, while plug can be forced extraction from socket again, truly realize plug exempts from extraction power-off.
Description
Technical field
The present invention relates to a kind of arrangements of electric connection and its plug, more specifically to a kind of grafting inserted and hang up electricity
Hydrant arrangements of electric connection and its plug.
Background technology
The power supply connecting device being made up of plug and socket is widely used in routine work and life, is used to realize electric energy
Transmission.General plug and socket needs to realize power-off by way of pulling away that this mode has following defect：
First, after plug extracts socket, the jack on socket is exposed, there is certain potential safety hazard.Long-term exposure
Receptacle sockets easily because dust stratification, water inlet etc. trigger socket burn even initiation fire situations such as；In addition, out of curiosity, children
Youngster can be susceptible to electric shock and other safety accidents by the jack of finger or foreign matter insertion socket.
2nd, the position of the typically no fixation of plug extracted is placed, and is generally hung on wall or puts on the ground, not only shadow
Sound is attractive in appearance, is also easily destroyed by external environment condition, cannot get due protection.Plug is for example accidentally caused to trample and damage
It is bad, cause plug contacts to be corroded because of plug contamination liquid etc., have a strong impact on the service life of plug.
Based on above mentioned problem, in the market occurs in that many sockets with switch, can be in the case where not pulling the plug out of the socket
It is very easy to use by switching the break-make of control power supply.But, the socket of this belt switch, because switch needs to take socket
Inner space, so that the miscellaneous part space in socket is compressed, causes socket structure complicated, and cost of manufacture is high；And
For example in many style jacks of grafting hydrant, the installing space for leaving switch inside it for is very limited.In addition, installing switch
Afterwards, the back panel wiring of socket can also increase, and increased the probability of wiring heating aged deterioration, and switch in itself because its work is former
The property of reason determines the limited service life of switch, the situation of switching damage easily occurs, causes the use longevity of this socket
Life is not long.And, in the market also without the switch that can match high-power socket.
In order to solve the above problems, China Patent No. ZL201620457499.3, authorized announcement date is October 5 in 2016
Day, invention and created name is：The grafting hydrant arrangements of electric connection and its plug and socket that can be cut off self-lock during insertion, this application case
The grafting hydrant arrangements of electric connection and its plug and socket that can be cut off self-lock when being related to a kind of insertion, set on the plug-bolt of plug
There is plug holding section, the socket holding section being engaged with the plug holding section is provided with the jack of socket；Plug-bolt from insert
A segment distance is extracted in hole and after making the power-off of plug-in power pack electrode and socket power electrode separation, plug holding section engages with socket
Portion fastens and plug-bolt is not exclusively left jack.This application case can realize to a certain extent plug and socket exempt from pull out
Go out power-off, the effect of socket switch is realized by mechanical structure, but practice finds, and the slotting hanging hang structure of this bayonet type is still deposited
In certain defect：In plug insertion socket, hook can easily push lock open, and when plug is extracted, also only need very little
Power plug can be extracted, that is to say, that when plug is into and out socket, latch it is of substantially equal to the resistance of plug, by
There is larger coupling mechanism force when plug insertion socket is powered, when plug is extracted and powered off, under effect of inertia, plug is easy to
Could realize inserting extension effect in directly coming out of the socket, it is necessary to plug portion is inserted into socket again, therefore use more fiber crops
It is tired, and socket is to the coupling mechanism force very little of plug, it is easy to cause plug from falling；And if increasing the coupling mechanism force of lock, although
Sealed slotting extension problem of the lock to plug is can solve the problem that, but larger resistance can be subject to again when plug is inserted, cause plug to insert
Enter difficulty.And this contradiction also cannot well be solved the problems, such as using existing technological means all the time.
The content of the invention
1. the invention technical problem to be solved
It is an object of the invention to overcome existing grafting hydrant arrangements of electric connection above shortcomings, there is provided one kind can be inserted
The grafting hydrant arrangements of electric connection and its plug of electricity are hung up, using technical scheme, resistance during plug insertion socket
Very little, insertion be powered it is easy and convenient, extract power process in have larger resistance, enable plug extract power-off when very
Pause and be suspended in socket well, while plug can be forced extraction, real meaning from socket using larger strength again
Plug is realized in justice exempts from extraction power-off；Also, the arrangements of electric connection also has good water proof and dust proof performance, can answer extensively
For electric equipments such as water heaters.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the present invention is provided is：
It is of the invention it is a kind of insert hang up electricity grafting hydrant arrangements of electric connection, including grafting hydrant plug and with the plug
The grafting hydrant socket being adapted, the guide ledges for facilitating insertion into are provided with the plug-bolt side wall of described plug, described
The socket inwall of socket is provided with the closing piece for being engaged with above-mentioned guide ledges and being capable of elastic telescopic displacement, described guiding
The bottom of boss is provided with the top of closing piece can make plug be readily inserted into the easy inserting structure being powered in socket；Described guiding is convex
The top of platform is provided with the bottom of closing piece can stop the plug backing stop structure that inertia is extracted from socket, and in guide ledges
When top engages with the lower contacts of closing piece, plug and socket is in de-energized；The top of described guide ledges and closing piece
Bottom be additionally provided with can make plug forced from socket extract unhook structure, and plug is forced from socket extraction needed for
Power is more than power required in plug insertion socket.
Further, described easy inserting structure is included located at the slide guide face of guide ledges bottom and located at closing piece top
Inclined-plane, described slide guide face and inclined-plane are High angle ramp structure.
Further, described backing stop structure is included located at the retaining face on guide ledges top and located at closing piece bottom
Plane, the described retaining face on guide ledges top can engage to form big pull-out resistance with the plane of closing piece bottom.
Further, described unhook structure includes being engaged with lower flat located at closing piece upper inclined surface the arc at place
Face, has small angle, on described closing piece between the described retaining face on guide ledges top and the plane of closing piece bottom
Cambered surface is engaged with retaining face, so that guide ledges can overcome pull-out resistance and are separated with closing piece.
Further, an elastic packing cover is additionally provided with described plug, the seal closure can either be inserted in plug and hung up
Light deformation sealing is pressed on the socket periphery of socket when electric, large deformation can seal the socket for being pressed on socket when plug is powered again
Periphery；The back-up ring that a circle can be engaged with seal closure is additionally provided with the panel of described socket, the back-up ring is located at seal closure
Shirt rim inner side, effectively prevents seal closure from being acted on by outside forces and be deformed.
Further, auxiliary guide ledges are additionally provided with the side wall of described plug-bolt, the auxiliary guide ledges with lead
It is oppositely arranged to boss；Described auxiliary guide ledges are engaged with the outlet ground electrode in socket, and described auxiliary is oriented to
The auxiliary slide guide face that boss bottom is set is formed with the inclined-plane of outlet ground electrode upper can be such that plug is readily inserted into socket
The easy inserting structure being powered；Auxiliary retaining face and the plane of outlet ground electrode base that described auxiliary guide ledges top is set
Formation can stop the plug backing stop structure that inertia is extracted from socket, and be put down with outlet ground electrode base in auxiliary retaining face
During the contact engaging of face, plug and socket is in de-energized；Described outlet ground electrode upper inclined-plane is engaged with base plane
Place is provided with has small angle, outlet ground electrode between fillet, and auxiliary retaining face and the plane of outlet ground electrode base
On fillet be engaged to be formed with auxiliary retaining face and can make plug that the unhook structure extracted is forced from socket.
Further, the pushing block directly over guide ledges is additionally provided with the side wall of described plug-bolt, it is described
Form back stop slot between pushing block and guide ledges, and pushing block protrusion height of the protrusion height less than guide ledges, described pushes away
The top of block is additionally provided with the inclined thrust surface that can be engaged with closing piece.
It is of the invention it is a kind of insert hang up electricity grafting hydrant plug, be provided with the plug-bolt side wall of the plug with
The guide ledges that the elastic telescopic closing piece set on the socket inwall of socket is engaged, the bottom of described guide ledges is provided with energy
Plug is enough set to be readily inserted into the slide guide face being powered in socket, the top of described guide ledges is provided with and can stop plug from socket
The retaining face that interior inertia is extracted, the gradient in described slide guide face is more than the gradient in retaining face.
Further, the pushing block directly over guide ledges is additionally provided with the side wall of described plug-bolt, it is described
Form back stop slot between pushing block and guide ledges, and pushing block protrusion height of the protrusion height less than guide ledges, described pushes away
The top of block is additionally provided with the inclined thrust surface that can be engaged with closing piece.
Further, the auxiliary guiding being oppositely arranged with guide ledges is additionally provided with the side wall of described plug-bolt convex
Platform, the bottom of the auxiliary guide ledges is provided with making plug be readily inserted into the auxiliary slide guide face being powered in socket, the auxiliary
The top of guide ledges is provided with stopping the plug auxiliary retaining face that inertia is extracted from socket.
3. beneficial effect
The technical scheme provided using the present invention, compared with existing known technology, with following remarkable result：
(1) a kind of inserting of the invention hangs up electric grafting hydrant arrangements of electric connection and its plug, and it is utilized on plug
Closing piece in guide ledges and socket cooperates, and the bottom of guide ledges is provided with the top of closing piece can be such that plug inserts easily
Enter the easy inserting structure being powered in socket；The top of guide ledges is provided with the bottom of closing piece can stop plug inertia from socket
The backing stop structure of extraction, and when the top of guide ledges engages with the lower contacts of closing piece, plug and socket is in power down bit
Put；The top of guide ledges is additionally provided with the bottom of closing piece can make plug that the unhook structure extracted is forced from socket, and insert
Power needed for head forces extraction from socket is more than power required in plug insertion socket；Therefore, resistance during plug insertion socket
Power very little, insertion be powered it is easy and convenient, extract power process in have larger resistance, enable plug extract power-off when
Pause well and be suspended in socket, while plug can be forced extraction from socket using larger strength again, really
Plug is realized in meaning exempts from extraction power-off；
(2) a kind of inserting of the invention hangs up electric grafting hydrant arrangements of electric connection, and its easy inserting structure is included located at guiding
The slide guide face and the inclined-plane located at closing piece top of boss bottom, slide guide face and inclined-plane are High angle ramp structure；Backing stop structure
Including the retaining face located at guide ledges top and the plane located at closing piece bottom, under the retaining face on guide ledges top and closing piece
The plane in portion can engage to form big pull-out resistance；Unhook structure includes connecting with lower flat located at closing piece upper inclined surface
Cambered surface at conjunction, has small angle, the cambered surface on closing piece between the retaining face on guide ledges top and the plane of closing piece bottom
It is engaged with retaining face, so that guide ledges can overcome pull-out resistance and are separated with closing piece；The arrangements of electric connection is to original
Grafting hydrant arrangements of electric connection structural change is few, and simple structure is easy to use；Using guide ledges and the phase of closing piece surface configuration
Mutual cooperation realizes the function that plug insertion is smooth, extraction powers off stagnation, pressure is extracted, and solves patent
In ZL201620457499.3 plug resistance it is of substantially equal and cause cannot stablize realize plug insert hang function problem, use body
Test more preferably；
(3) a kind of inserting of the invention hangs up electric grafting hydrant arrangements of electric connection, is additionally provided with the side wall of its plug-bolt
Pushing block directly over guide ledges, forms back stop slot between pushing block and guide ledges, and pushing block protrusion height less than leading
To the protrusion height of boss, the top of pushing block is additionally provided with the inclined thrust surface that can be engaged with closing piece；Using the effect of pushing block, inserting
Head is inserted in extension state procedure by "on" position to power-off, and closing piece is promoted by pushing block shrink first, after pushing block crosses closing piece, closing piece
Protruding, before closing piece and guide ledges fasten, closing piece has had outwardly directed speed, so effectively prevent
Guide ledges fast ram closing piece and cause closing piece shrink and depart from problem, improve the slotting extension stability of arrangements of electric connection；
(4) a kind of inserting of the invention hangs up electric grafting hydrant arrangements of electric connection, is additionally provided with the side wall of its plug-bolt
Auxiliary guide ledges, the auxiliary guide ledges are oppositely arranged with guide ledges, make plug-bolt both sides equal using guide ledges are aided in
Can have to insert and hang locking action, plug-bolt stress is more balanced, effectively prevent because plug makes plug socket is tilted
The problem being separated with socket, further increases the slotting extension stability of arrangements of electric connection；
(5) a kind of inserting of the invention hangs up electric grafting hydrant arrangements of electric connection, in its auxiliary guide ledges and socket
Outlet ground electrode be engaged, the slotting extension locking action of auxiliary guide ledges, structure are directly realized using outlet ground electrode
Design is ingenious, makes simpler convenience；
(6) a kind of inserting of the invention hangs up electric grafting hydrant arrangements of electric connection, an elasticity is additionally provided with its plug close
Sealing cover, the seal closure can either seal the socket periphery for being pressed on socket by Light deformation when plug is inserted and hangs up electricity, again can be in plug
Large deformation sealing is pressed on the socket periphery of socket during energization, and realize arrangements of electric connection using the seal closure hangs up electric shape slotting
The water proof and dust proof of state and "on" position, further increases the safety in utilization of arrangements of electric connection, it is particularly possible to prevent water from splashing, can
It is widely used on the electric equipments such as water heater；
(7) a kind of inserting of the invention hangs up electric grafting hydrant arrangements of electric connection, and one is additionally provided with the panel of its socket
The back-up ring that circle can be engaged with seal closure, the back-up ring is located at the shirt rim inner side of seal closure, and being coordinated with seal closure using back-up ring is made
With having not only acted as more preferable dash waterproof action, and can effectively prevent seal closure edge in plug swapping process from becoming
Shape and the problems such as cause poorly sealed, and effectively prevent seal closure from being acted on by outside forces and be deformed.
Brief description of the drawings
Fig. 1 is that a kind of structure for inserting plug insertion socket in the grafting hydrant arrangements of electric connection for hanging up electricity of the invention is shown
It is intended to；
Fig. 2 be it is of the invention it is a kind of insert hang up electricity grafting hydrant arrangements of electric connection in insert hanging hang structure in plug and socket
In setting schematic diagram (plug and socket insert extension state)；
Fig. 3 is that a kind of structure for inserting plug extraction socket in the grafting hydrant arrangements of electric connection for hanging up electricity of the invention is shown
It is intended to；
Fig. 4 be it is of the invention it is a kind of insert hang up electricity grafting hydrant arrangements of electric connection in insert hanging hang structure in plug and socket
In setting schematic diagram (plug and socket released state)；
Fig. 5 is a kind of structural representation for inserting the plug in the grafting hydrant arrangements of electric connection for hanging up electricity of the invention；
Fig. 6 is a kind of structural representation for inserting the plug in the grafting hydrant arrangements of electric connection for hanging up electricity of the invention
(there are pushing block and auxiliary guide ledges)；
Fig. 7 is a kind of grafting hydrant arrangements of electric connection for hanging up electricity of inserting of the invention in the slotting section view for hanging up electricity condition
Structural representation；
Fig. 8 is the partial enlargement structural representation at K in Fig. 7；
Fig. 9 is the partial enlargement structural representation at M in Fig. 7.
Label declaration in schematic diagram：
1st, plug；1-1, plug-bolt；1-2, plug-in power pack electrode；1-3, plug earthed electrode；1-4, guide ledges；1-4-
1st, slide guide face；1-4-2, retaining face；1-5, back stop slot；1-6, pushing block；1-6-1, inclined thrust surface；1-7, auxiliary guide ledges；1-7-
1st, auxiliary slide guide face；1-7-2, auxiliary retaining face；1-8, slot；1-9, seal closure；2nd, socket；2-1, pedestal；2-2, panel；
2-3, socket；2-4, back-up ring；2-5, socket power electrode；2-6, outlet ground electrode；2-6-1, fillet；2-8, spring；2-9、
Closing piece；2-9-1, inclined-plane；2-9-2, cambered surface.
Specific embodiment
To further appreciate that present disclosure, with reference to accompanying drawing, the present invention is described in detail.
The slotting of the arrangements of electric connection being made up of plug and socket hangs up electric scheme, for existing arrangements of electric connection, tool
The realistic meaning of electrical safety is improved, is a kind of effective technology means of the socket for replacing existing belt switch.With reference to Fig. 1 extremely
Shown in Fig. 7, it is of the invention it is a kind of insert hang up electricity grafting hydrant arrangements of electric connection, including grafting hydrant plug 1 and with this insert
The first 1 grafting hydrant socket 2 being adapted, the guide ledges 1-4 for facilitating insertion into is provided with the plug-bolt 1-1 sides wall of plug 1, is inserted
The socket 2-3 inwalls of seat 2 are provided with the closing piece 2-9 that elastic telescopic displacement is engaged and be capable of with above-mentioned guide ledges 1-4, lead
Being provided with to the bottom of boss 1-4 and the top of closing piece 2-9 can make plug 1 be readily inserted into the easy inserting structure being powered in socket 2；Lead
The backing stop structure that can stop that plug 1 is extracted from inertia in socket 2 is provided with to the top of boss 1-4 and the bottom of closing piece 2-9, and
When the top of guide ledges 1-4 engages with the lower contacts of closing piece 2-9, plug 1 and socket 2 are in de-energized；It is oriented to convex
The top of platform 1-4 is additionally provided with the bottom of closing piece 2-9 can make plug 1 that the unhook structure extracted, and plug are forced from socket 2
1 forces the power needed for extracting from socket 2 more than power required in the insertion socket 2 of plug 1.By guide ledges 1-4 and closing piece
Easy inserting structure, backing stop structure and unhook structure on 2-9, the resistance very little during insertion socket 2 of plug 1, insertion is powered easily square
Just, there is larger resistance in power process is extracted, plug 1 is paused well and is suspended on slotting when power-off is extracted
In seat 2, while can force plug 1 in the socket 2 using larger strength to extract again, realize that plug insertion is smooth, pull out
Go out power-off to stagnate, force the function extracted, to solve that plug in patent ZL201620457499.3 resistance of substantially equal and cause
Cannot stablize and realize that plug inserts the problem for hanging function, truly realize plug exempts from extraction power-off.
With reference to shown in Fig. 8 and Fig. 9, in the present invention, easy inserting structure includes the slide guide face 1- located at guide ledges 1-4 bottoms
The 4-1 and inclined-plane 2-9-1 located at closing piece 2-9 tops, slide guide face 1-4-1 and inclined-plane 2-9-1 is High angle ramp structure, above-mentioned
Gradient refers to the angle between the angle between slide guide face 1-4-1 and the end face of plug 1, or inclined-plane 2-9-1 and the panel 2-2 of socket 2,
When slide guide face 1-4-1 and inclined-plane 2-9-1 is cambered surface, gradient is then the folder between the tangent plane and the end face of plug 1 of slide guide face 1-4-1
Angle between angle, or the tangent plane and the panel 2-2 of socket 2 of inclined-plane 2-9-1.Backing stop structure includes being located at guide ledges 1-4 tops
Retaining face 1-4-2 and the plane located at closing piece 2-9 bottoms, under the retaining face 1-4-2 and closing piece 2-9 on guide ledges 1-4 tops
The plane in portion can engage to form big pull-out resistance.Unhook structure includes being located at closing piece 2-9 upper inclined surfaces 2-9-1 and bottom
Have between the plane of retaining face 1-4-2 and closing piece the 2-9 bottom on the cambered surface 2-9-2 at flat face conjunction, guide ledges 1-4 top
There is small angle, the cambered surface 2-9-2 on closing piece 2-9 is engaged with retaining face 1-4-2, so as to guide ledges 1-4 can overcome pull out
Go out resistance and be separated with closing piece 2-9；Due to the presence of closing piece 2-9 fit-up gaps, in the retaining face 1- on guide ledges 1-4 tops
During the plane mating reaction of 4-2 and closing piece 2-9 bottoms, closing piece 2-9 there may be inclined situation, therefore, on guide ledges 1-4
Angle very little between the plane of retaining face 1-4-2 and closing piece the 2-9 bottom in portion, it is ensured that form larger pull-out resistance,
Plug is set completely not extracted easily because of inertia.
With reference to embodiment, the invention will be further described.
Embodiment
As shown in Figures 1 to 4, a kind of of the present embodiment inserts the grafting hydrant arrangements of electric connection for hanging up electricity, including grafting
Hydrant plug 1 and the grafting hydrant socket 2 being adapted with the plug 1, the plug 1 have a plug-bolt 1-1, and the socket 2 has
The one socket 2-3 being adapted with above-mentioned plug-bolt 1-1, on plug-bolt 1-1 at least provided with two with socket 2 in set socket
The plug-in power pack electrode 1-2 and the outlet ground electrode 2-6 that sets interior with socket 2 that power electrode 2-5 is engaged are engaged
Plug earthed electrode 1-3, socket 2 have pedestal 2-1 and panel 2-2, pedestal 2-1 and panel 2-2 composition socket inside unit
Part installing space, socket 2-3 is opened on panel 2-2.The a kind of of the present embodiment inserts the grafting hydrant electrical connection dress for hanging up electricity
Put, be that the function of inserting and hang up electricity is increased on the basis of original grafting hydrant arrangements of electric connection, on the electrical connection of grafting hydrant
Guiding in the self-locking structure of the other structures of device and its plug and socket, such as plug 1 and socket 2, the socket 2-3 of socket 2
The structure such as locating dowel and float support lid, refer to 22 days Mays in 2015 of applicant filed in China Patent No. be
ZL201510268391.X, invention and created name is：A kind of direct insertion self-locking explosionproof electric connecting device and its plug and socket
Patent application case, just no longer describes in detail herein.
In the present embodiment, as shown in Figures 5 to 9, leading of facilitating insertion into is provided with the plug-bolt 1-1 sides wall of plug 1
To boss 1-4, the socket 2-3 inwalls of socket 2 are provided with and be engaged with above-mentioned guide ledges 1-4 and being capable of elastic telescopic displacement
Closing piece 2-9, flexible on socket 2-3 inwalls of closing piece 2-9 can be realized using the spring 2-8 located at closing piece 2-9 rear portions, lock
Block 2-9 and spring 2-8 are installed on pedestal 2-1 using pressing plate.The bottom of above-mentioned guide ledges 1-4 and the top of closing piece 2-9
Being provided with can make plug 1 be readily inserted into the easy inserting structure being powered in socket 2, it is preferable that the easy inserting structure includes convex located at being oriented to
The slide guide face 1-4-1 of the platform 1-4 bottoms and inclined-plane 2-9-1 (as shown in Figure 8) located at closing piece 2-9 tops, slide guide face 1-4-1 and tiltedly
Face 2-9-1 is High angle ramp structure, and above-mentioned gradient refers to the angle between slide guide face 1-4-1 and the end face of plug 1, or inclined-plane
Angle between 2-9-1 and the panel 2-2 of socket 2, in the present embodiment, slide guide face 1-4-1 and inclined-plane 2-9-1 uses tapered plane
Structure, and the gradient of the gradient slightly larger than inclined-plane 2-9-1 of slide guide face 1-4-1 is preferable, because the gradient of inclined-plane 2-9-1 is larger, because
This is when plug 1 is inserted, and slide guide face 1-4-1 is bigger to the horizontal component of inclined-plane 2-9-1 active forces, so as to be easy to promote closing piece
2-9 shrinks, and plug 1 is easily swimmingly inserted in socket 2.Under the top of above-mentioned guide ledges 1-4 and closing piece 2-9
Portion is provided with the backing stop structure that can stop that plug 1 is extracted from inertia in socket 2, and in the top of guide ledges 1-4 and closing piece 2-9
Lower contacts when engaging, plug 1 and socket 2 are in de-energized, it is preferable that the backing stop structure includes being located at guide ledges 1-
The retaining face 1-4-2 on 4 tops and the plane (as shown in Figure 8) located at closing piece 2-9 bottoms, the retaining face on guide ledges 1-4 tops
1-4-2 can be engaged to form big pull-out resistance with the plane of closing piece 2-9 bottoms, outwards extracted from on-position in plug 1
When, closing piece 2-9 can stop that guide ledges 1-4 is directly extracted, due to the plane phase of retaining face 1-4-2 and closing piece 2-9 bottoms
Interaction, retaining face 1-4-2 will not shrink easily to the horizontal component very little of closing piece 2-9, therefore closing piece 2-9, so as to realize inserting
First 1 pauses and realizes inserting the function of hanging up electricity when extracting；Due to being provided with by spring supporting in the socket 2-3 of grafting hydrant socket 2
Float support lid, therefore plug 1 insert extension state when be constantly in guide ledges 1-4 engage with closing piece 2-9 power off state,
It is safe and reliable.The top of guide ledges 1-4 is additionally provided with the bottom of closing piece 2-9 can make plug 1 force to pull out from socket 2
The unhook structure for going out, and plug 1 forces the power needed for extracting from socket 2 more than power required in the insertion socket 2 of plug 1, it is excellent
Selection of land, the unhook structure includes being engaged with lower flat located at closing piece 2-9 upper inclined surfaces 2-9-1 the cambered surface 2-9-2 at place, is oriented to
There is small angle (as shown in Figure 8), closing piece 2- between the plane of retaining face 1-4-2 and closing piece the 2-9 bottom on boss 1-4 tops
Cambered surface 2-9-2 on 9 is engaged with retaining face 1-4-2 so that guide ledges 1-4 can overcome pull-out resistance and with closing piece 2-9
It is separated；Due to having small angle, and closing piece 2-9 bottoms and retaining between the plane of retaining face 1-4-2 and closing piece 2-9 bottoms
Face 1-4-2 contact positions have cambered surface 2-9-2, so as to when larger withdrawal force effect is applied, when retaining face 1-4-2 is to closing piece 2-
9 horizontal direction component is reached when to a certain degree, and closing piece 2-9 will be shunk by promoting, so that guide ledges 1-4 and closing piece 2-
9 mutually disengage, and reach the purpose for forcing to pull the plug out of the socket.The a kind of of the present embodiment inserts the grafting hydrant electrical connection dress for hanging up electricity
Put, using the mutual cooperation of guide ledges 1-4 and closing piece 2-9 surface configurations realize plug insertion it is smooth, extract power-off stagnate,
The function of extracting is forced, the resistance very little during insertion socket 2 of plug 1, insertion is powered easy and convenient, has in power process is extracted
There is larger resistance, plug 1 is paused well and is suspended in socket 2 when power-off is extracted, while can utilize again
Larger strength by plug 1, extract by the pressure from socket 2, realizes smooth plug insertion, extraction power-off stagnation, forces what is extracted
Function, to solve that plug in patent ZL201620457499.3 resistance of substantially equal and cause to stablize and realize that plug is inserted and hang work(
The problem of energy, truly realize plug exempts from extraction power-off.It is appreciated that by optimizing guide ledges 1-4 and closing piece
The matched shape of 2-9, you can the plug active force of plug and socket is optimized into optimum efficiency, improves the experience of user.
It is noted that when plug 1 is using the perpendicular structure in direction of insertion and wiring direction, guide ledges 1-4
Setting direction it is preferably perpendicular (as shown in Figure 5) with the wiring direction of plug 1, accordingly even when have external force through the wiring of plug 1 pass
To plug-bolt 1-1, rock plug-bolt 1-1, nor affect on guide ledges 1-4 and closing piece 2-9 it is slotting hang up it is electrically mated, and only
Need one group of guide ledges 1-4 to ensure that slotting electricity of hanging up is reliable and stable by being engaged with closing piece 2-9, make the structure of plug 1 relatively more
Simply.
In addition, shown in hookup 6, Fig. 7 and Fig. 8, in the present embodiment, being additionally provided with to be located on the side wall of plug-bolt 1-1 and leading
To the pushing block 1-6 directly over boss 1-4, back stop slot 1-5 is formed between pushing block 1-6 and guide ledges 1-4, and pushing block 1-6's is convex
Go out protrusion height of the height less than guide ledges 1-4, the top of pushing block 1-6 is additionally provided with the cant that can be engaged with closing piece 2-9
Face 1-6-1.Using the effect of pushing block 1-6, in plug 1 is inserted by "on" position to power-off and hangs state procedure, closing piece 2-9 first by
Pushing block 1-6 is promoted and shunk, and after pushing block 1-6 crosses closing piece 2-9, closing piece 2-9 is protruding in the presence of spring 2-8, and
Before closing piece 2-9 and guide ledges 1-4 fastens, closing piece 2-9 has had outwardly directed speed, can so be prevented effectively from
Guide ledges 1-4 fast ram closing piece 2-9 and cause closing piece 2-9 shrink and depart from problem, improve arrangements of electric connection insert
Stability is hung, reasonable in design is ingenious.
In order to further improve the slotting extension stability of arrangements of electric connection, in the present embodiment, on the side wall of plug-bolt 1-1 also
Auxiliary guide ledges 1-7 is provided with, the auxiliary guide ledges 1-7 and guide ledges 1-4 is oppositely arranged, using aiding in guide ledges 1-
7 make plug-bolt 1-1 both sides to have inserts extension locking action, plug-bolt 1-1 stress is more balanced, and effectively prevent because of plug
1 is tilted in socket 2-3 and the problem that makes plug 1 and socket 2 be separated, even if plug 1 guide ledges 1-4 occurs and led with auxiliary
Also be not in the problem that releases to rocking for boss 1-7, so as to further increase the slotting extension stability of arrangements of electric connection.Such as
Shown in Fig. 7 and Fig. 9, in grafting hydrant socket, two socket power electrode 2-5 are oppositely arranged, and two socket powers
The vertical side of electrode 2-5 lines is provided with outlet ground electrode 2-6, in order to rationally using grafting hydrant socket inner space cloth
Office, the closing piece 2-9 in the present embodiment is located at the opposite side of outlet ground electrode 2-6；And in order to the further grafting hydrant that simplifies is inserted
The internal structure of seat, reduces manufacture difficulty, and in the present embodiment preferably, auxiliary guide ledges 1-7 connects with the socket in socket 2
Ground electrode 2-6 is engaged, and specifically, the principles and structure with guide ledges 1-4 and closing piece 2-9 is similar, and auxiliary is oriented to convex
The auxiliary slide guide face 1-7-1 that platform 1-7 bottoms are set is formed with the inclined-plane on outlet ground electrode 2-6 tops can make plug 1 easily
The easy inserting structure being powered in insertion socket 2；Auxiliary retaining face 1-7-2 and outlet ground that auxiliary guide ledges 1-7 tops are set
The plane of electrode 2-6 bottoms forms the backing stop structure that can stop that plug 1 is extracted from inertia in socket 2, and in auxiliary retaining face
When 1-7-2 contacts engaging with outlet ground electrode 2-6 base planes, plug 1 and socket 2 are in de-energized；Outlet ground electricity
Pole 2-6 upper inclined surfaces are provided with fillet 2-6-1, and auxiliary retaining face 1-7-2 and outlet ground electrode 2-6 with base plane joint
There is small angle, the fillet 2-6-1 on outlet ground electrode 2-6 matches with auxiliary retaining face 1-7-2 between the plane of bottom
Closing to be formed can make plug 1 that the unhook structure extracted is forced from socket 2.Connect with socket in above-mentioned auxiliary guide ledges 1-7
In the fit structure of ground electrode 2-6, the slotting padlock cooperation of auxiliary guide ledges 1-7 is directly realized using outlet ground electrode 2-6
With smart structural design makes simpler convenience.
Additionally, as shown in Fig. 1, Fig. 3 and Fig. 7, a kind of of the present embodiment inserts the grafting hydrant arrangements of electric connection for hanging up electricity,
An elastic packing cover 1-9 is additionally provided with its plug 1, seal closure 1-9 can either be pressed in Light deformation sealing when plug 1 is inserted and hangs up electricity
It is tight large deformation to seal the socket 2-3 peripheries for being pressed on socket 2 when plug 1 is powered again in the socket 2-3 peripheries of socket 2, it is sharp
Arrangements of electric connection is realized with seal closure 1-9 to be acted in the slotting water proof and dust proof for hanging up electricity condition and "on" position, further carry
The safety in utilization of arrangements of electric connection high, it is particularly possible to prevent water from splashing, can be widely applied on the electric equipments such as water heater.
In the present embodiment, seal closure 1-9 is optimal using bowl structure, with larger elastic deformation amount, can so better ensure that
Arrangements of electric connection insert hang up electricity condition and "on" position when, seal closure 1-9 can be fitted tightly over the panel 2-2 of socket 2
Come up seal insert 2-3.For the ease of the installation of seal closure 1-9, plug 1 is additionally provided with slot with the junction of seal closure 1-9
1-8 (as shown in Fig. 2, Fig. 4 and Fig. 5, Fig. 6), seal closure 1-9 is fastened in slot 1-8, is fixed by slot 1-8 close
Sealing cover 1-9, is not only connected firmly, and assembles simpler convenience.Additionally, referring to shown in Fig. 3 and Fig. 7, in the panel of socket 2
The back-up ring 2-4 that a circle can be engaged with seal closure 1-9 is additionally provided with 2-2, back-up ring 2-4 is located in the shirt rim of seal closure 1-9
Side, is used cooperatively using back-up ring 2-4 with seal closure 1-9, has not only acted as more preferable dash waterproof action, and can effectively prevent
Only seal closure 1-9 in plug swapping process edge deformation and the problems such as cause poorly sealed, and effectively prevent seal closure 1-9
Acted on by outside forces and be deformed.
Below pair can insert and hang up the grafting hydrant arrangements of electric connection of electricity and be described in detail, with reference to Fig. 5 to Fig. 9
The plug that pair can be inserted in the grafting hydrant arrangements of electric connection for hanging up electricity is conducted further description.
The a kind of of the present embodiment inserts the grafting hydrant plug for hanging up electricity, and the plug 1 has a plug-bolt 1-1, plug-bolt
1-1 is upper at least provided with two plug-in power pack the electrode 1-2, Yi Jiyi being engaged with the socket power electrode 2-5 set in socket 2
The individual plug earthed electrode 1-3 being engaged with outlet ground electrode 2-6 that is being set in socket 2.The plug-bolt 1-1 sides of the plug 1
The guide ledges 1- that can be engaged with the elastic telescopic closing piece 2-9 set on the socket 2-3 inwalls of socket 2 is additionally provided with wall
4 (as shown in Figure 5), the bottom of guide ledges 1-4 is provided with can make plug 1 be readily inserted into the slide guide face 1-4- being powered in socket 2
The top of 1, guide ledges 1-4 is provided with the retaining face 1-4-2, slide guide face 1-4- that can stop that plug 1 is extracted from inertia in socket 2
Gradient of 1 gradient more than retaining face 1-4-2, makes plug 1 insert the power in socket 2 less than the power that plug 1 is extracted, so as to realize
When power-off is extracted, effectively the effect hung is inserted in pause to plug 1.Guide ledges 1-4 is located at the side relative with plug earthed electrode 1-3
On wall preferably.As shown in fig. 6, the pushing block 1-6 being additionally provided with the side wall of plug-bolt 1-1 directly over guide ledges 1-4, pushing block
Back stop slot 1-5 is formed between 1-6 and guide ledges 1-4, and the protrusion of the protrusion height less than guide ledges 1-4 of pushing block 1-6 is high
Degree, the top of pushing block 1-6 is additionally provided with the inclined thrust surface 1-6-1 that can be engaged with closing piece 2-9, improves the slotting extension of arrangements of electric connection
Stability.In addition, being additionally provided with the auxiliary guide ledges 1-7 being oppositely arranged with guide ledges 1-4 on the side wall of plug-bolt 1-1 (such as
Shown in Fig. 6), the auxiliary that the bottom of auxiliary guide ledges 1-7 is provided with making plug 1 be readily inserted into energization in socket 2 is led
The top of sliding surface 1-7-1, auxiliary guide ledges 1-7 is provided with stopping that the auxiliary that plug 1 is extracted from inertia in socket 2 is stopped
Face 1-7-2 is moved back, the slotting extension stability of arrangements of electric connection is further increased.
A kind of inserting of the invention hangs up electric grafting hydrant arrangements of electric connection and its plug, resistance during plug insertion socket
Power very little, insertion be powered it is easy and convenient, extract power process in have larger resistance, enable plug extract power-off when
Pause well and be suspended in socket, while plug can be forced extraction from socket using larger strength again, solve
Resistance is plugged in patent ZL201620457499.3 of substantially equal and cause to stablize and realize that plug inserts the problem for hanging function,
Truly realize plug exempts from extraction power-off；Also, the arrangements of electric connection also has good water proof and dust proof performance, can
It is widely used on the electric equipments such as water heater, it is safe and reliable.
Below schematically the present invention and embodiments thereof are described, the description does not have restricted, institute in accompanying drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel enlightened by it, in the case where the invention objective is not departed from, without creatively designing and the technical scheme
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (10)
1. it is a kind of to insert the grafting hydrant arrangements of electric connection for hanging up electricity, including grafting hydrant plug (1) and mutually fitted with the plug (1)
Grafting hydrant socket (2) matched somebody with somebody, the guide ledges for facilitating insertion into are provided with plug-bolt (1-1) side wall of described plug (1)
(1-4), socket (2-3) inwall of described socket (2) be provided be engaged with above-mentioned guide ledges (1-4) and can elasticity
The closing piece (2-9) of telescopic displacement, it is characterised in that：The bottom of described guide ledges (1-4) is provided with the top of closing piece (2-9)
Plug (1) can be made to be readily inserted into the easy inserting structure being powered in socket (2)；The top of described guide ledges (1-4) and closing piece
The bottom of (2-9) is provided with the backing stop structure that can stop that plug (1) is extracted from the interior inertia of socket (2), and at guide ledges (1-4)
Top when engaging with the lower contacts of closing piece (2-9), plug (1) and socket (2) are in de-energized；Described guide ledges
The top of (1-4) is additionally provided with the bottom of closing piece (2-9) can make plug (1) that the unhook structure extracted is forced from socket (2),
And plug (1) forces the power needed for extracting to insert power required in socket (2) more than plug (1) from socket (2).
2. a kind of inserting according to claim 1 hangs up electric grafting hydrant arrangements of electric connection, it is characterised in that：Described
Easy inserting structure includes the slide guide face (1-4-1) located at guide ledges (1-4) bottom and the inclined-plane (2- located at closing piece (2-9) top
9-1), described slide guide face (1-4-1) and inclined-plane (2-9-1) is High angle ramp structure.
3. a kind of inserting according to claim 1 hangs up electric grafting hydrant arrangements of electric connection, it is characterised in that：Described
Backing stop structure includes the retaining face (1-4-2) located at guide ledges (1-4) top and the plane located at closing piece (2-9) bottom, institute
The retaining face (1-4-2) on guide ledges (1-4) top stated can engage to form big pulling out with the plane of closing piece (2-9) bottom
Go out resistance.
4. a kind of inserting according to claim 1 hangs up electric grafting hydrant arrangements of electric connection, it is characterised in that：Described
Unhook structure includes being engaged with lower flat located at closing piece (2-9) upper inclined surface (2-9-1) cambered surface (2-9-2) at place, described
The retaining face (1-4-2) on guide ledges (1-4) top and the plane of closing piece (2-9) bottom between have small angle, it is described
Closing piece (2-9) on cambered surface (2-9-2) be engaged with retaining face (1-4-2) so that guide ledges (1-4) can overcome extraction
Resistance and be separated with closing piece (2-9).
5. a kind of the inserting according to Claims 1-4 any one hangs up electric grafting hydrant arrangements of electric connection, its feature
It is：An elastic packing cover (1-9) is additionally provided with described plug (1), the seal closure (1-9) can either be inserted in plug (1) and hung
Light deformation sealing is pressed on socket (2-3) periphery of socket (2) during power-off, large deformation sealing can be pressed when plug (1) is powered again
Tight socket (2-3) periphery in socket (2)；Being additionally provided with a circle on the panel (2-2) of described socket (2) can be with seal closure
The back-up ring (2-4) that (1-9) is engaged, the back-up ring (2-4) is located at the shirt rim inner side of seal closure (1-9), effectively prevents seal closure (1-
9) acted on by outside forces and be deformed.
6. a kind of the inserting according to Claims 1-4 any one hangs up electric grafting hydrant arrangements of electric connection, its feature
It is：Be additionally provided with the side wall of described plug-bolt (1-1) auxiliary guide ledges (1-7), the auxiliary guide ledges (1-7) with lead
It is oppositely arranged to boss (1-4)；Described auxiliary guide ledges (1-7) match with the outlet ground electrode (2-6) in socket (2)
Close, auxiliary slide guide face (1-7-1) and outlet ground electrode (2-6) top that described auxiliary guide ledges (1-7) bottom is set
Inclined-plane formed plug (1) can be made to be readily inserted into the easy inserting structure being powered in socket (2)；Described auxiliary guide ledges (1-
7) the auxiliary retaining face (1-7-2) that top is set is formed with the plane of outlet ground electrode (2-6) bottom can stop plug (1)
From the backing stop structure that the interior inertia of socket (2) is extracted, and put down with outlet ground electrode (2-6) bottom in auxiliary retaining face (1-7-2)
During the contact engaging of face, plug (1) and socket (2) are in de-energized；Described outlet ground electrode (2-6) upper inclined surface and bottom
Facial planes joint is provided with fillet (2-6-1), and aids in the plane of retaining face (1-7-2) and outlet ground electrode (2-6) bottom
Between there is small angle, fillet (2-6-1) on outlet ground electrode (2-6) is engaged shape with retaining face (1-7-2) is aided in
The unhook structure extracted is forced from socket (2) into plug (1) can be made.
7. a kind of inserting according to claim 6 hangs up electric grafting hydrant arrangements of electric connection, it is characterised in that：Described
Be additionally provided with the pushing block (1-6) directly over guide ledges (1-4) on the side wall of plug-bolt (1-1), described pushing block (1-6) with
Between guide ledges (1-4) formed back stop slot (1-5), and pushing block (1-6) protrusion height less than guide ledges (1-4) protrusion
Highly, the top of described pushing block (1-6) is additionally provided with the inclined thrust surface (1-6-1) that can be engaged with closing piece (2-9).
8. it is a kind of to insert the grafting hydrant plug for hanging up electricity, it is provided with and inserts on plug-bolt (1-1) side wall of the plug (1)
The guide ledges (1-4) that the elastic telescopic closing piece (2-9) set on socket (2-3) inwall of seat (2) is engaged, its feature exists
In：The bottom of described guide ledges (1-4) is provided with can make plug (1) be readily inserted into the slide guide face (1- being powered in socket (2)
4-1), the top of described guide ledges (1-4) is provided with the retaining face that can stop that plug (1) is extracted from the interior inertia of socket (2)
(1-4-2), the gradient in described slide guide face (1-4-1) is more than the gradient of retaining face (1-4-2).
9. a kind of inserting according to claim 8 hangs up electric grafting hydrant arrangements of electric connection, it is characterised in that：Described
Be additionally provided with the pushing block (1-6) directly over guide ledges (1-4) on the side wall of plug-bolt (1-1), described pushing block (1-6) with
Between guide ledges (1-4) formed back stop slot (1-5), and pushing block (1-6) protrusion height less than guide ledges (1-4) protrusion
Highly, the top of described pushing block (1-6) is additionally provided with the inclined thrust surface (1-6-1) that can be engaged with closing piece (2-9).
10. a kind of inserting according to claim 8 or claim 9 hangs up electric grafting hydrant arrangements of electric connection, it is characterised in that：Institute
The auxiliary guide ledges (1-7) being oppositely arranged with guide ledges (1-4) are additionally provided with the side wall of the plug-bolt (1-1) stated, this is auxiliary
The bottom of guide ledges (1-7) is helped to be provided with making plug (1) be readily inserted into the auxiliary slide guide face (1- being powered in socket (2)
7-1), the top of the auxiliary guide ledges (1-7) is provided with stopping the auxiliary that plug (1) is extracted from the interior inertia of socket (2)
Retaining face (1-7-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710239141.2A CN106877068B (en) | 2017-04-13 | 2017-04-13 | Plug-in bolt type electric connection device capable of being plugged and hung to be powered off and plug thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710239141.2A CN106877068B (en) | 2017-04-13 | 2017-04-13 | Plug-in bolt type electric connection device capable of being plugged and hung to be powered off and plug thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106877068A true CN106877068A (en) | 2017-06-20 |
| CN106877068B CN106877068B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710239141.2A Active CN106877068B (en) | 2017-04-13 | 2017-04-13 | Plug-in bolt type electric connection device capable of being plugged and hung to be powered off and plug thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106877068B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594764A (en) * | 2021-09-28 | 2021-11-02 | 南京天齐航空有限公司 | Small-size group battery with interface protect function |
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| CN1202751A (en) * | 1997-06-03 | 1998-12-23 | 沃尔特·霍尔泽 | Method and device for locking in electrical plug-in connections for lamps |
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|---|---|---|---|---|
| CN1202751A (en) * | 1997-06-03 | 1998-12-23 | 沃尔特·霍尔泽 | Method and device for locking in electrical plug-in connections for lamps |
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| CN201838827U (en) * | 2010-09-30 | 2011-05-18 | 三辉电线电缆(深圳)有限公司 | Anti-slip plug |
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| CN113594764A (en) * | 2021-09-28 | 2021-11-02 | 南京天齐航空有限公司 | Small-size group battery with interface protect function |
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|---|---|
| CN106877068B (en) | 2023-09-19 |
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