CN207800975U - Electric shock prevention plug - Google Patents
Electric shock prevention plug Download PDFInfo
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- CN207800975U CN207800975U CN201721871441.4U CN201721871441U CN207800975U CN 207800975 U CN207800975 U CN 207800975U CN 201721871441 U CN201721871441 U CN 201721871441U CN 207800975 U CN207800975 U CN 207800975U
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- pin
- holding tank
- socket
- insulation sleeve
- electric shock
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- 230000002265 prevention Effects 0.000 title abstract 3
- 238000009413 insulation Methods 0.000 claims abstract description 191
- 238000000034 method Methods 0.000 claims description 51
- 210000004907 gland Anatomy 0.000 claims description 44
- 230000008569 process Effects 0.000 claims description 33
- 230000009471 action Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model provides an electric shock prevention plug, include: the insulation fixing head, the pin, the insulation sleeve and the elastic piece; the insulating fixing head is provided with an accommodating groove, the pin is arranged in the accommodating groove in a penetrating manner, the first end of the pin is connected with the insulating fixing head, and the second end of the pin extends out of the insulating fixing head; at least part of the insulating sleeve is sleeved at the second end of the pin; the insulating sleeve can slide along the pin in the accommodating groove; the elastic piece is positioned in the accommodating groove, the first end of the elastic piece is contacted with the first end of the insulating sleeve, and the second end of the elastic piece is contacted with the bottom of the accommodating groove; the first end of the insulating sleeve is one end far away from the second end of the pin, and the bottom of the accommodating groove is one end far away from the second end of the pin. The utility model provides an electric shock prevention plug has guaranteed the security of user when using the plug.
Description
Technical field
The utility model embodiment is related to technical field of electrical equipment, more particularly to a kind of electric shock resistant plug.
Background technology
In daily life and production, nearly all electrical equipment, which is intended to connection power supply, to work, current connection
Mode be by connecting a connection wire on electrical equipment, then in one attaching plug of the end set of connection wire,
Attaching plug is inserted on power supply base and is electrically connected.
But the metal pin on attaching plug in the prior art is naked state, when plugging attaching plug,
User is easy surprisingly to touch metal pin, and generates the fortuitous event to get an electric shock, so existing attaching plug exists in use
Some potential safety problems.
Utility model content
The utility model embodiment provides a kind of electric shock resistant plug, to overcome attaching plug to there is certain peace in use
The technical issues of full hidden danger.
In a first aspect, the application provides a kind of electric shock resistant plug, including：Insulate gland, pin, insulation sleeve and elasticity
Part；
The insulation gland offers holding tank, and the pin is threaded through in the holding tank, and the first of the pin
End is connect with the insulation gland, and the second end of the pin stretches out the insulation gland；
The second end for being at least partly set in the pin of the insulation sleeve；
The elastic component is located in the holding tank, the first termination of the first end of the elastic component and the insulation sleeve
It touches, the second end of elastic component is contacted with the bottom of the holding tank；The bottom of the holding tank is second far from the pin
The one end at end；
It is provided with first seal between the insulation sleeve and the pin；The top of the insulation sleeve and the holding tank
Second seal is provided between notch；
In the socket connection procedure of the pin and socket or in the socket disconnection process of the pin and socket, institute
Stating insulation sleeve can slide in holding tank along the pin.
The inner wall of electric shock resistant plug as described above, the top notch of the holding tank is circumferentially provided with the first locating part,
The outer wall of the first end of the insulation sleeve is circumferentially provided with and matched second locating part of first locating part；
Wherein, when the electric shock resistant plug is not connect with socket, first locating part and second locating part are used
In the inside that the first end of the insulation sleeve is maintained to the holding tank.
Electric shock resistant plug as described above, second locating part are annular projection.
Electric shock resistant plug as described above offers at least one the first sliding groove on the outside of second locating part, described
The inner wall of holding tank is provided with and the matched raised line of the first sliding groove on the axial direction along the holding tank；
In the socket connection procedure of the pin and socket or in the socket disconnection process of the pin and socket, institute
It states the first sliding groove to move along the raised line, to limit the moving direction of the insulation sleeve.
Electric shock resistant plug as described above is provided at least one first protrusion on the outside of second locating part, described
The inner wall of holding tank offered on the axial direction along the holding tank with the matched second sliding slot of first protrusion, it is described
One end of first protrusion stretches in the second sliding slot；
In the socket connection procedure of the pin and socket or in the socket disconnection process of the pin and socket, institute
It states the first protrusion to move in the inside of the second sliding slot, to limit the moving direction of the insulation sleeve.
The outer wall of electric shock resistant plug as described above, the first end of the insulation sleeve has been provided at circumferentially spaced multiple second limits
Position part.
The inner wall of electric shock resistant plug as described above, the holding tank offers on the axial direction along the holding tank
With the matched second sliding slot of the second locating part, one end of second locating part stretches in the second sliding slot；
In the socket connection procedure of the pin and socket or in the socket disconnection process of the pin and socket, institute
It states the second locating part to move in the inside of the second sliding slot, to limit the moving direction of the insulation sleeve.
Electric shock resistant plug as described above, the length that the pin stretches out the part of the insulation gland are exhausted equal to described
Edge set stretches out the length of the part of the insulation gland.
Electric shock resistant plug as described above, the depth of the holding tank are more than the length of the insulation sleeve.
Electric shock resistant plug as described above, the elastic component are spring or shrapnel.
Insulation sleeve is arranged by stretching out the part of insulation gland in pin in the utility model, and inside insulation gland
Be arranged can housing insulation set holding tank, and in holding tank be arranged supports insulative cover elastic component, realize pin with
In the socket connection procedure of socket, as pin is gradually inserted in socket, insulation sleeve can be stretched into gradually in holding tank, pin with
In the socket disconnection process of socket, as pin is gradually with the disengaging of socket, insulation sleeve, which can gradually be stretched out from holding tank, to be wrapped up
Pin reduces or avoids the hand of user and probability that pin contacts, ensure that safety of user when using plug.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram one of electric shock resistant plug provided by the utility model；
Fig. 2 is the structural schematic diagram two of electric shock resistant plug provided by the utility model；
Fig. 3 is one pin of electric shock resistant plug provided by the utility model and the structural schematic diagram after socket outlet grafting；
Fig. 4 is the partial schematic diagram one of electric shock resistant plug provided by the utility model；
Fig. 5 is the structural schematic diagram of the Section A-A of Fig. 4；
Fig. 6 is the partial schematic diagram two of electric shock resistant plug provided by the utility model；
Fig. 7 is the structural schematic diagram of the section B-B of Fig. 6；
Reference sign：
11- insulation glands；12- pins；13- insulation sleeves；
14- elastic components；15- holding tanks；The first locating parts of 151-；
The second locating parts of 131-；132- the first sliding grooves；152- second sliding slots；
153- raised lines；The first protrusions of 133-；21- sockets.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to
The range of the utility model protection.
Fig. 1 is the structural schematic diagram one of electric shock resistant plug provided by the utility model, and Fig. 2 is provided by the utility model anti-
The structural schematic diagram two of electric shock plug, Fig. 3 are one pin of electric shock resistant plug provided by the utility model and socket outlet grafting
Structural schematic diagram afterwards.
Referring to Fig. 1 and Fig. 2, the electric shock resistant plug of the present embodiment may include：Insulate gland 11, pin 12, insulation sleeve
13 and elastic component 14；
Insulation gland 11 offer holding tank 15, pin 12 is threaded through in holding tank 15, the first end of pin 12 with absolutely
Edge gland 11 connects, and the second end of pin 12 stretches out insulation gland 11；
The second end for being at least partly set in pin 12 of insulation sleeve 13；Insulation sleeve 13 can be in holding tank 15 along pin 12
Sliding；
Elastic component 14 is located in holding tank 15, the first end of elastic component 14 and the first end in contact of insulation sleeve 13, elastic component
14 second end is contacted with the bottom of holding tank 15；Wherein, the bottom of holding tank 15 is one end of the second end far from pin 12；
It is provided with first seal between insulation sleeve 13 and pin 12；Between insulation sleeve 13 and the top notch of holding tank 15
It is provided with second seal；
Specifically, electric shock resistant plug provided in this embodiment includes：Insulate gland 11, pin 12, insulation sleeve 13 and bullet
Property part 14.
Insulation gland 11 offers holding tank 15, and the both ends of holding tank 15 all have notch, and pin 12 passes through holding tank
The notch at 15 both ends is threaded through in holding tank 15, and the first end of pin 12 is connect with insulation gland 11, and the second of pin 12
Insulation gland 11 is stretched out at end, and the second end of pin 12 can be described as the extension of pin 12.At least partly set of insulation sleeve 13
It is located at the second end of pin 12；Elastic component 14 is located in holding tank 15, the first end of the first end and insulation sleeve 13 of elastic component 14
Contact, because elastic component 14 is located in holding tank 15, therefore the first end of insulation sleeve 13 is located in holding tank 15, and the of elastic component 14
Two ends are contacted with the bottom of holding tank 15；Wherein, the bottom of holding tank 15 is one end of the second end far from pin 12, that is,
One end far from insulation sleeve 13 or perhaps one end of the extension far from pin.
The second end of elastic component 14 contacted with the bottom of holding tank 15 refer to elastic component 14 second end and holding tank 15
Bottom abuts or is fixedly connected；The first end of elastic component 14 and the first end in contact of insulation sleeve 13 refer to the first of elastic component 14
End abuts or is fixedly connected with the first end of insulation sleeve 13.
Wherein, for the gland 11 that insulate：It can also be integral type that the gland 11 that insulate, which can be split type structure,
Structure, the shape for the gland 11 that insulate can refer to the shape of existing insulation gland；Insulation can be used in insulation gland 11
The good material manufacture of performance, such as plastic material.
For pin 12：The number of pin 12 can be two or three, if the number of pin 12 is three, this implementation
If the electric shock resistant plug of example be 3-phase plug, pin 12 number be two, the electric shock resistant plug of the present embodiment is inserted for two-phase
Head.It is cylindric that the shape of pin 12 can be that sheet can also be, and can be configured according to specifically used requirement, pin 12
Structure can also be configured according to existing 12 structure of common pin；Material used in pin 12 can be conducted electricity very well
Metal material, such as copper alloy, the first end of pin 12 needs to connect with insulation gland 11, and with electric wire company
It connects, the second end of pin 12 stretches out holding tank 15 and stretches out insulation gland 11 in other words, for the socket grafting with socket.
For holding tank 15：Holding tank 15 is mainly used for accommodating elastic component 14, and connects in the socket of pin 12 and socket
In termination process, insulation sleeve 13 is accommodated；The depth of holding tank 15 needs the length more than insulation sleeve 13, the notch at 15 top of holding tank
Shape needs the shape with the first end of insulation sleeve 13 to match.
For insulation sleeve 13：At least partly the second end of pin 12 can be completely covered for insulation sleeve 13, insulation sleeve 13
At least partly the second end section of pin 12 can also be covered.Insulation sleeve 13 at least partly covers the second end of pin 12 completely
It covers more advantageous for the safety for improving electric shock resistant plug.The cross sectional dimensions of insulation sleeve 13 needs the socket ruler more than socket
Very little, when ensureing the socket grafting of electric shock resistant plug and socket, insulation sleeve 13 can be held with the socket of socket, slotting without entering
Mouth is internal.Good insulation preformance, anti abrasive material manufacture, such as plastic material can be selected in the material of insulation sleeve 13.
Wherein, at least partly the second end of pin 12 can be completely covered for insulation sleeve 13, be equivalent to pin 12 and stretch out absolutely
The length of the part of edge gland 11 is equal to or less than the length that insulation sleeve 13 stretches out the part of insulation gland 11.Wherein,
Pin 12 stretches out the part of insulation gland 11 i.e. the second end of pin 12, insulation sleeve 13 stretch out the portion of insulation gland 11
Point namely insulation sleeve 13 is set in the part of the second end of pin 12.If pin 12 stretches out the length of the part of insulation gland 11
Degree is equal to the length that insulation sleeve 13 stretches out the part of insulation gland 11, it is ensured that will not be exhausted when pin 12 is inserted into socket
13 blocking of edge set, while ensure that pin 12 is smoothly inserted into socket, insulation sleeve 13 can be fully wrapped around by pin 12, ensures user
It is safe to use.
For elastic component 14：The main function of elastic component 14 is to provide elastic anchorage force for insulation sleeve 13, makes insulation sleeve 13
Can external pressure act on be pushed down into holding tank 15, in external pressure releases can under the action of elastic component 14, from
It is stretched out in holding tank 15, elastic component 14 can be spring or shrapnel, can also be other springy structures.Work as elastic component
For spring when, pin is threaded through in spring, and the length of spring needs are adapted to the depth of holding tank, the coefficient of elasticity of spring
The size of active force when needing according to patchplug and socket is set；Simultaneously in order to enable spring preferably with insulation
The conflict of 13 first ends is covered, the first end of insulation sleeve 13 is preferably provided a groove, for coordinating with the end of spring；When using bullet
When piece, the size of the active force when coefficient of elasticity of shrapnel is also required to according to patchplug and socket is set.
It will be appreciated by persons skilled in the art that the number of pin 12 is identical as the number of insulation sleeve 13, pin 12
Number is less than or equal to the number of holding tank 15, and optionally, the number of pin 12 is equal to the number of holding tank 15.
Further, water or other conducting liquids are fallen on pin 12 in order to prevent, prevent short circuit event, insulation
It is provided with first seal between set 13 and pin 12；It is close it to be provided with second between insulation sleeve 13 and the top notch of holding tank 15
Sealing.
Specifically, first seal can be rubber ring, such as first seal can be specifically located at 13 second end of insulation sleeve
Between the second end of pin 12,13 second end of insulation sleeve is one end far from insulation gland 11, and the second end of pin 12 is
One end far from insulation gland 11.The setting of first seal needs with pin 12 to occur relatively in guarantee insulation sleeve 13
While movement, ensures that the gap that liquid will not be between insulation sleeve 13 and pin 12 enters electric shock resistant plug, effectively avoid short
The thing of road or corrosion occurs.
Second seal can be rubber ring, such as second seal can be specifically located at 13 first end of insulation sleeve and holding tank
Between 15 top notch, the top notch of holding tank 15 is the notch close to the extension of pin 12.Second seal
Setting needs while ensureing that with pin 12 relative motion can occur for insulation sleeve 13, to ensure that liquid will not be from 13 He of insulation sleeve
Gap between the notch of top enters electric shock resistant plug, and the thing of short circuit or corrosion is effectively avoided to occur.
The operation principle of the electric shock resistant plug of the present embodiment is illustrated below.
Referring to Fig. 3, when 21 grafting of socket of electric shock resistant plug and socket, insulation sleeve 13 is held with socket, insulation sleeve 13
It can be by the extruding force for extending into 21 inside of socket due to pin 12 and generating, when extruding force is transmitted to elastic component 14, elastic component
14 are compressed, and insulation sleeve 13 is driven to progress into holding tank 15, after pin 12 is completely inserted into 21 inside of socket, insulation
Set 13 is completely into in holding tank 15, since during this, insulation sleeve 13 is held and progressed into holding tank 15 by socket.
User will not directly touch pin 12 during this, avoid security risk when user connects plug and socket, protect
The safety of user.
Even if the second end of pin 12 is not completely covered for insulation sleeve 13, due to user hand at a distance from insulation sleeve 13 ratio
Relatively close, the hand of user is distant at a distance from the exposed part of the second end of pin 12, naked relative to the pin 12 in existing
Dew, reduces security risk when user connects plug and socket, protects the safety of user to a certain extent.
When extracting electric shock resistant plug from the socket of socket, extruding force is gradually released, and elastic component 14 gradually restores, absolutely
Edge set 13 is gradually stretched out out of holding tank 15.During this, insulation sleeve 13 is under the action of elastic component 14, gradually from holding tank 15
Middle stretching, if the second end of pin 12 can be completely covered for insulation sleeve 13, in the process, pin 12 is in is wrapped always
State, user will not directly touch pin 12, ensure that safety when electric shock resistant plug uses.
Insulation sleeve is arranged by stretching out the part of insulation gland in pin in the present embodiment, and is set inside insulation gland
Set can housing insulation set holding tank, and in holding tank be arranged supports insulative cover elastic component, realize pin with insert
In the socket connection procedure of seat, as pin is gradually inserted in socket, insulation sleeve can be stretched into gradually in holding tank, in pin and be inserted
In the socket disconnection process of seat, as pin is gradually with the disengaging of socket, it is slotting that insulation sleeve can gradually stretch out package from holding tank
Foot reduces or avoids the hand of user and probability that pin contacts, ensure that safety of user when using plug.
The electric shock resistant plug of the present embodiment includes：Insulate gland, pin, insulation sleeve and elastic component；Insulation gland is opened
Equipped with holding tank, pin is threaded through in holding tank, and the first end of pin is connect with insulation gland, and the second end of pin is stretched out absolutely
Edge gland；The second end for being at least partly set in pin of insulation sleeve；Insulation sleeve can slide in holding tank along pin；Elasticity
Part is located in holding tank, the first end of elastic component and the first end in contact of insulation sleeve, the second end of elastic component and the bottom of holding tank
Portion contacts；The bottom of holding tank is one end of the second end far from pin.The electric shock resistant plug of the present embodiment ensure that user exists
Safety when using plug.
Fig. 4 is the partial schematic diagram one of electric shock resistant plug provided by the utility model, and Fig. 5 is the structure of the Section A-A of Fig. 4
Schematic diagram, Fig. 6 are the partial schematic diagrams two of electric shock resistant plug provided by the utility model, and Fig. 7 is the structure of the section B-B of Fig. 6
Schematic diagram.
Further, in order to which the first end of insulation sleeve 13 to be maintained to the inside of holding tank 15, that is, insulation sleeve 13 is prevented
First end is skidded off from the inside of holding tank 15, and referring to Fig. 4, the inner wall of the top notch of holding tank 15 is circumferentially provided with the first limit
The outer wall of part 151, the first end of insulation sleeve 13 is circumferentially provided with the second locating part 131.
Optionally, the inner wall of the top notch of holding tank 15 is circumferentially disposed there are one the first locating part 151, the first locating part
151 be overall structure, that is, the annular projection in the inner wall of the top notch of holding tank 15, that is, the first locating part 151 is arranged
To extend a circle protrusion of certain distance from the top notch edge of holding tank 15 to notch center.
Optionally, the inner wall of the top notch of holding tank 15 has been provided at circumferentially spaced multiple first locating parts 151, Mei Ge
One locating part 151 is the protrusion extended from notch edge to notch center.
Optionally, multiple first locating parts 151 are evenly distributed on the inner wall of top notch of holding tank 15.
Optionally, the outer wall of the first end of insulation sleeve 13 is circumferentially disposed there are one the second locating part 131, the second locating part
131 be overall structure, that is, the annular projection in the outer wall of the first end of insulation sleeve 13 is arranged.
Optionally, the outer wall of the first end of insulation sleeve 13 has been provided at circumferentially spaced multiple second locating parts 131, and each second
Locating part 131 can be the protrusion of the outer wall of the first end relative to insulation sleeve 13.
Optionally, the outer wall of the first end of insulation sleeve 13 has been provided at circumferentially spaced multiple second locating parts 131, and multiple second
Locating part 131 is evenly distributed on the outer wall of the first end of insulation sleeve 13.
First locating part 151 is matched with the second locating part 131, and the first locating part 151 and the second locating part 131 are common
The first end of insulation sleeve 13 is maintained to the inside of holding tank 15, prevents the first end of insulation sleeve 13 from being slided from the inside of holding tank 15
Go out, i.e. the first locating part 151 has barrier effect to the second locating part 131, will not be from receiving to the first end of insulation sleeve 13
The inside of slot 15 skids off.
It will be appreciated by those skilled in the art that for the simple of preparation process and realizing the first end guarantor of insulation sleeve 13
The effect in the inside of holding tank 15 is held, if the first locating part 151 is annular projection, the second locating part 131 can be a ring
The outer wall of shape protrusion or the first end of insulation sleeve 13 has been provided at circumferentially spaced multiple second locating parts 131.If holding tank 15
The inner wall of top notch has been provided at circumferentially spaced multiple first locating parts 151, then the second locating part 131 can be annular projection.
It further, can be in insulation sleeve in order to enable sliding trace of the insulation sleeve 13 in holding tank 15 is linear motion
13 and holding tank 15 on the guiding piece being mutually matched is set, to guide insulation sleeve 13 to move along a straight line in holding tank 15.
The guiding piece being mutually matched is set on insulation sleeve 13 and holding tank 15, there is following three kinds of achievable embodiment party
Formula.
First, when the second locating part 131 is the annular protrusion in overall structure, that is, 13 first end outer wall of insulation sleeve
When, " guiding piece being mutually matched is arranged on insulation sleeve 13 and holding tank 15 " at least has following two kinds of achievable embodiment party
Formula.
The first achievable mode is：Referring to Fig. 4 and Fig. 5, the outside of the second locating part 131 offers at least one
The inner wall of one sliding slot 132, holding tank 15 is provided with and 132 matched raised line of the first sliding groove on the axial direction along holding tank 15
153；In the socket connection procedure of pin 12 and socket or in the socket disconnection process of pin 12 and socket, the first sliding groove
132 move along raised line 153, to limit the moving direction of insulation sleeve 13.
Specifically, for example, the outside of the second locating part 131 offers multiple the first sliding grooves 132, such as 4, correspondingly,
The number of raised line can be 4 on the inner wall of holding tank 15.
Optionally, the number and the inner wall of holding tank 15 for the first sliding groove 132 that the outside of the second locating part 131 opens up are convex
The number of item 153 is identical.
Optionally, the outside of the second locating part 131 is uniformly provided with multiple the first sliding grooves 132, correspondingly, holding tank 15
Multiple raised lines 153 are evenly arranged on inner wall.
The outside of second locating part 131 is uniformly provided with multiple the first sliding grooves 132, is uniformly arranged on the inner wall of holding tank 15
There are multiple raised lines 153, can to prepare the simple for process of plug, handsome in appearance, insulation sleeve 13 is suffered in sliding process
Directed force is balanced, to which sliding process is more smooth, while ensureing that user is safe to use, further improves the use of user
Experience.
Wherein, the inner wall of holding tank 15 is provided with matched with the first sliding groove 132 on the axial direction along holding tank 15
Raised line 153 refers to：The shape needs of the first sliding groove 132 are adapted with the shape of raised line 153 and raised line 153 is in holding tank 15
Position on wall needs to be adapted with position of the first sliding groove 132 on the second locating part 131.
The shape of the first sliding groove 132 is needed to be adapted with the shape of raised line 153：For example, if raised line 153 is rectangular
Body, then the first sliding groove 132 can be the opening of rectangle, and the size being open is sufficient to accommodate raised line 153, to realize in pin 12 and insert
In the socket connection procedure of seat or in the socket disconnection process of pin 12 and socket, the first sliding groove 132 is moved along raised line 153,
To limit the moving direction of insulation sleeve 13.The first sliding groove 132 and the shape of raised line 153 can also be other shapes, the present embodiment
In repeat no more.
Position of the raised line 153 on 15 inner wall of holding tank is needed with the first sliding groove 132 on the second locating part 131
Position is adapted：When the sliding in holding tank 15 of insulation sleeve 13, raised line 153 can be in and be threaded through in the first sliding groove 132 always
State.
The specific work process of the embodiment is as follows：
When the socket grafting of electric shock resistant plug and socket, the process in holding tank 15 is progressed into insulation sleeve 13
In, the first sliding groove 132 for the second locating part 131 being arranged on insulation sleeve 13 is limited or is guided by raised line 153 so that
The first sliding groove 132 is in always in the space of the restriction of raised line 153, i.e., the first sliding groove 132 is always along raised line 153 to holding tank 15
Bottom direction is slided, and therefore, insulation sleeve 13 to the bottom direction of holding tank 15 when sliding, due to the guiding function of raised line 153,
Insulation sleeve 13 can move along a straight line in holding tank 15.
When extracting the pin 12 of electric shock resistant plug from the socket of socket, in insulation sleeve 13 gradually out of holding tank 15
During stretching, the first sliding groove 132 of the second locating part 131 being arranged on insulation sleeve 13 by raised line 153 carry out limit or
Person guides so that the first sliding groove 132 is in always in the space of the restriction of raised line 153, i.e., the first sliding groove 132 is always along raised line 153
It is slided to the top-direction of holding tank 15, therefore, insulation sleeve 13 to the top-direction of holding tank 15 when sliding, due to raised line
153 guiding function, insulation sleeve 13 can move along a straight line in holding tank 15.
Second of achievable mode be：Referring to Fig. 6 and Fig. 7, the outside of the second locating part 131 is provided at least one
The inner wall of one protrusion 133, holding tank 15 offers and the first protrusion 133 matched second on the axial direction along holding tank 15
One end of sliding slot 152, the first protrusion 133 stretches in second sliding slot 152；In the socket connection procedure of pin 12 and socket or
In the socket disconnection process of pin 12 and socket, the first protrusion 133 is moved in the inside of second sliding slot 152, to limit insulation
The moving direction of set 13.
Specifically, unlike the first realization method, the first protrusion 133 is arranged in the second locating part the realization method
131 outside, second sliding slot 152 are arranged on the inner wall of holding tank 15.
More specifically, for example, the outside of the second locating part 131 is equipped with multiple first protrusions 133, such as 3, accordingly
The number on ground, the second sliding slot 152 opened up on the inner wall of holding tank 15 is at least 3.
Optionally, the number of the first protrusion 133 of the outside setting of the second locating part 131 is opened on the inner wall of holding tank 15
If second sliding slot 152 number it is identical.
Optionally, the outside of the second locating part 131 is evenly arranged with multiple first protrusions 133, correspondingly, holding tank 15
Multiple second sliding slots 152 are uniformly provided on inner wall.
The outside of second locating part 131 is evenly arranged with multiple first protrusions 133, is uniformly opened up on the inner wall of holding tank 15
There are multiple second sliding slots 152, can to prepare the simple for process of plug, handsome in appearance, the institute in sliding process of insulation sleeve 13
The directed force received is balanced, to which sliding process is more smooth, while ensureing that user is safe to use, further improves user's
Usage experience.
Wherein, the inner wall of holding tank 15 offers matched with the first protrusion 133 on the axial direction along holding tank 15
Second sliding slot 152 refers to：The shape needs of second sliding slot 152 are adapted with the shape of the first protrusion 133 and second sliding slot 152
Position on 15 inner wall of holding tank needs to be adapted with position of first protrusion 133 on the second locating part 131.
The shape of second sliding slot 152 is needed to be adapted with the shape of the first protrusion 133：If for example, the first protrusion 133
For the protrusion of rectangular shape, then second sliding slot 152 can be the sliding slot of rectangular shape, and second sliding slot 152 can accommodate first
One end of protrusion 133 stretches to inside it, with realize in the socket connection procedure of pin 12 and socket or pin 12 with insert
In the socket disconnection process of seat, the first protrusion 133 moves inside second sliding slot 152, to limit the moving direction of insulation sleeve 13.
The shape of second sliding slot 152 and the first protrusion 133 can also be other shapes, be repeated no more in the present embodiment.
Position of the second sliding slot 152 on 15 inner wall of holding tank is needed with the first protrusion 133 in the second locating part 131
On position be adapted：When the sliding in holding tank 15 of insulation sleeve 13, one end of the first protrusion 133 can be in second always
In sliding slot 152.
The specific work process of the embodiment is as follows：
When the socket grafting of electric shock resistant plug and socket, the process in holding tank 15 is progressed into insulation sleeve 13
In, since one end of the first protrusion 133 of the second locating part 131 being arranged on insulation sleeve 13 stretches to 15 inner wall of holding tank
In second sliding slot 152, the first protrusion 133 is limited or is guided by second sliding slot 152 so that the first protrusion 133 is in always
In the space that two sliding slots 152 limit, i.e. the first protrusion 133 is always inside second sliding slot 152 to the bottom direction of holding tank 15
Sliding, therefore, insulation sleeve 13 to the bottom direction of holding tank 15 when sliding, due to the guiding function of second sliding slot 152, insulation
Set 13 can move along a straight line in holding tank 15.
When extracting the pin 12 of electric shock resistant plug from the socket of socket, in insulation sleeve 13 gradually out of holding tank 15
During stretching, since one end of the first protrusion 133 of the second locating part 131 being arranged on insulation sleeve 13 stretches to receiving
In the second sliding slot 152 of 15 inner wall of slot, the first protrusion 133 is limited or is guided by second sliding slot 152 so that the first protrusion 133
Always it is in the space of the restriction of second sliding slot 152, i.e. the first protrusion 133 is always inside second sliding slot 152 to holding tank 15
Top-direction sliding, therefore, insulation sleeve 13 to the top-direction of holding tank 15 when sliding, due to drawing for second sliding slot 152
Effect is led, insulation sleeve 13 can move along a straight line in holding tank 15.
Secondly, when the outer wall of the first end of insulation sleeve 13 has been provided at circumferentially spaced multiple second locating parts 131, " exhausted
The guiding piece being mutually matched is set on edge set 13 and holding tank 15 ", at least there is a kind of following achievable embodiment.
The achievable mode is：The inner wall of holding tank 15 offers and the second limit on the axial direction along holding tank 15
Position 131 matched second sliding slot of part, one end of the second locating part 131 stretches in second sliding slot；In inserting for pin 12 and socket
In mouth connection procedure or in the socket disconnection process of pin 12 and socket, the second locating part 131 is moved in the inside of second sliding slot
It is dynamic, to limit the moving direction of insulation sleeve 13.
Specifically, the difference of the embodiment and above two embodiment is：Second locating part 131 is as setting
Set the non-annularity protrusion on 13 outer wall of insulation sleeve, the second sliding slot opened up on the axial direction of holding tank 15 and the second locating part
131 itself match, i.e., the second locating part 131 stretches in second sliding slot.
Wherein, the number of the second locating part 131 can be 4, the number of the second sliding slot opened up on the inner wall of holding tank 15
At least 4.
Optionally, the number of the second locating part 131 is identical as the number of second sliding slot opened up on the inner wall of holding tank 15.
Optionally, if multiple second locating parts 131 are uniformly arranged on the outer wall of 13 first end of insulation sleeve, correspondingly, hold
Receive slot 15 inner wall on be uniformly provided with multiple second sliding slots, can to prepare the simple for process of plug, it is handsome in appearance, insulation
The directed force suffered in sliding process of set 13 is balanced, to which sliding process is more smooth, while ensureing that user is safe to use,
Further improve the usage experience of user.
Wherein, the inner wall of holding tank 15 offers on the axial direction along holding tank 15 matches with the second locating part 131
Second sliding slot refer to：The shape needs of second sliding slot are adapted with the shape of the second locating part 131 and second sliding slot is being held
The needs of the position on 15 inner wall of slot of receiving are adapted with position of second locating part 131 on insulation sleeve 13.
The shape of second sliding slot is needed to be adapted with the shape of the second locating part 131：If for example, the second locating part
131 be the protrusion of rectangular shape, then second sliding slot can be the sliding slot of rectangular shape, and second sliding slot can accommodate the second limit
One end of part 131 stretches to inside it, to realize in the socket connection procedure of pin 12 and socket or in pin 12 and socket
Socket disconnection process in, one end of the second locating part 131 is moved inside second sliding slot, to limit the mobile side of insulation sleeve 13
To.Second sliding slot and the shape of the second locating part 131 can also be other shapes, be repeated no more in the present embodiment.
Position of the second sliding slot on 15 inner wall of holding tank is needed and position of second locating part 131 on insulation sleeve 13
It sets and is adapted：When the sliding in holding tank 15 of insulation sleeve 13, one end of the second locating part 131 can be in second sliding slot always
In.
The specific work process of the embodiment is as follows：
When the socket grafting of electric shock resistant plug and socket, the process in holding tank 15 is progressed into insulation sleeve 13
In, since the one end for the second locating part 131 being arranged on insulation sleeve 13 stretches in the second sliding slot of 15 inner wall of holding tank, the
Two locating parts 131 are limited or are guided by second sliding slot so that the second locating part 131 is in the space of second sliding slot restriction always
In, i.e., one end of the second locating part 131 is slided inside second sliding slot to the bottom direction of holding tank 15 always, therefore, insulation
For set 13 when being slided to the bottom direction of holding tank 15, due to the guiding function of second sliding slot, insulation sleeve 13 can be in holding tank 15
Inside move along a straight line.
When extracting the pin 12 of electric shock resistant plug from the socket of socket, in insulation sleeve 13 gradually out of holding tank 15
During stretching, since the one end for the second locating part 131 being arranged on insulation sleeve 13 stretches to the of 15 inner wall of holding tank
In two sliding slots, the second locating part 131 is limited or is guided by second sliding slot so that the second locating part 131 is in the second cunning always
In the space that slot limits, i.e., one end of the second locating part 131 is slided inside second sliding slot to the top-direction of holding tank 15 always
Dynamic, therefore, insulation sleeve 13 to the top-direction of holding tank 15 when sliding, due to the guiding function of second sliding slot, insulation sleeve 13
It can move along a straight line in holding tank 15.
The first end of insulation sleeve 13 is maintained at the inside of holding tank 15 realizing by the second locating part 131 of the embodiment
While, it can also coordinate with second sliding slot so that insulation sleeve 13 moves along a straight line in holding tank 15, further such that protection against electric shock
The preparation process of plug simplifies.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of electric shock resistant plug, which is characterized in that including：Insulate gland, pin, insulation sleeve and elastic component；
The insulation gland offers holding tank, and the pin is threaded through in the holding tank, the first end of the pin with
The insulation gland connection, the second end of the pin stretch out the insulation gland；
The second end for being at least partly set in the pin of the insulation sleeve；
The elastic component is located in the holding tank, the first end in contact of the first end of the elastic component and the insulation sleeve, institute
The second end for stating elastic component is contacted with the bottom of the holding tank；The bottom of the holding tank is the second end far from the pin
One end；
It is provided with first seal between the insulation sleeve and the pin；The top notch of the insulation sleeve and the holding tank
Between be provided with second seal；
It is described exhausted in the socket connection procedure of the pin and socket or in the socket disconnection process of the pin and socket
Edge set can slide in holding tank along the pin.
2. electric shock resistant plug according to claim 1, which is characterized in that the inner wall of the top notch of the holding tank is circumferential
It is provided with the first locating part, the outer wall of the first end of the insulation sleeve is circumferentially provided with and first locating part matched second
Locating part；
Wherein, when the electric shock resistant plug is not connect with socket, first locating part and second locating part are used to incite somebody to action
The first end of the insulation sleeve is maintained at the inside of the holding tank.
3. electric shock resistant plug according to claim 2, which is characterized in that second locating part is annular projection.
4. electric shock resistant plug according to claim 3, which is characterized in that offered at least on the outside of second locating part
The inner wall of one the first sliding groove, the holding tank is provided with and the first sliding groove on the axial direction along the holding tank
The raised line matched；
In the socket connection procedure of the pin and socket or in the socket disconnection process of the pin and socket, described
One sliding slot is moved along the raised line, to limit the moving direction of the insulation sleeve.
5. electric shock resistant plug according to claim 3, which is characterized in that
At least one first protrusion is provided on the outside of second locating part, the inner wall of the holding tank is along the holding tank
Axial direction on offer and stretch to described the with the matched second sliding slot of first protrusion, one end of first protrusion
In two sliding slots；
In the socket connection procedure of the pin and socket or in the socket disconnection process of the pin and socket, described
One protrusion is moved in the inside of the second sliding slot, to limit the moving direction of the insulation sleeve.
6. electric shock resistant plug according to claim 2, which is characterized in that between the outer wall circumferential direction of the first end of the insulation sleeve
Every being provided with multiple second locating parts.
7. electric shock resistant plug according to claim 6, which is characterized in that the inner wall of the holding tank is along the holding tank
Axial direction on offer with the matched second sliding slot of the second locating part, one end of second locating part stretches to institute
It states in second sliding slot；
In the socket connection procedure of the pin and socket or in the socket disconnection process of the pin and socket, described
Two locating parts are moved in the inside of the second sliding slot, to limit the moving direction of the insulation sleeve.
8. electric shock resistant plug according to claim 1, which is characterized in that the pin stretches out the portion of the insulation gland
The length divided is equal to the length that the insulation sleeve stretches out the part of the insulation gland.
9. according to claim 1~8 any one of them electric shock resistant plug, which is characterized in that the depth of the holding tank is more than
The length of the insulation sleeve.
10. according to claim 1~8 any one of them electric shock resistant plug, which is characterized in that the elastic component is spring or bullet
Piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721871441.4U CN207800975U (en) | 2017-12-28 | 2017-12-28 | Electric shock prevention plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721871441.4U CN207800975U (en) | 2017-12-28 | 2017-12-28 | Electric shock prevention plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800975U true CN207800975U (en) | 2018-08-31 |
Family
ID=63279605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721871441.4U Active CN207800975U (en) | 2017-12-28 | 2017-12-28 | Electric shock prevention plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207800975U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980405A (en) * | 2017-12-28 | 2019-07-05 | 中国石油天然气股份有限公司 | Electric shock prevention plug |
| CN112421290A (en) * | 2020-11-11 | 2021-02-26 | 费莉 | Plug convenient to pull out and insert |
-
2017
- 2017-12-28 CN CN201721871441.4U patent/CN207800975U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980405A (en) * | 2017-12-28 | 2019-07-05 | 中国石油天然气股份有限公司 | Electric shock prevention plug |
| CN112421290A (en) * | 2020-11-11 | 2021-02-26 | 费莉 | Plug convenient to pull out and insert |
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