A kind of press-type safety utilization of electric power socket
Technical field
The present invention relates to electric component field, be specifically related to a kind of press-type safety utilization of electric power socket.
Background technology
Socket is electric component very conventional in daily life, needs will be inserted by the plug of electrical appliance during electricity consumption to insert
The electrical connection power supply of Zuo Zhongyu city.
Owing to mains-supplied uses the high-tension electricity of 220V, the person peace of the security relationship of electricity consumption to electrical equipment user
Entirely.The electrical socket safety of prior art is the most poor, is simply merely connected with electrical appliance by civil power, reaches purpose of powering.
But the line receptacle of socket is still had an opportunity and human contact, produce contact dangerous.Especially for such as baby or child etc.
, there is bigger electric shock hidden danger, during plug insertion socket, also have the risk of electric shock in the people that cannot take care of oneself.
Also have to install additional and switch to improve the socket product of safety, but in view of the consumption habit of common people, will not lead at ordinary times
Dynamic closing switch, the socket of the most this switching regulator and common socket do not have essential distinction, still there is potential safety hazard.
Being not difficult to find out, prior art there is also certain defect.
Summary of the invention
The technical problem to be solved is to provide a kind of press-type safety utilization of electric power socket, can ensure Electrical Safety.
For achieving the above object, the present invention is by the following technical solutions:
A kind of press-type safety utilization of electric power socket, including the protecgulum and the box body that are mutually combined installation;Box body is square box-like, box
The back side of body is provided with string holes;Protecgulum includes cover plate and touch-pressure switch device;Cover plate is square, and it is inside that cover plate is provided with at least one
Depression and the cavity of the most through column, the axially retractable inside being installed on cavity of touch-pressure switch device, and press out
Closing the normally opened setting of device, its front end protrudes from the front surface of protecgulum.
Further, described touch-pressure switch device includes movable housing, active unit, bottom, conducting strip, spring and locking
Wedge;The profile of movable housing matches with the inner wall shape of cavity, and movable housing slides axially and is plugged on the inside of cavity,
The front end face of movable housing is provided with the electric jack matched with two-pin plug or three-pin plug, on the dorsal part outer wall of movable housing
Being laid with outward extending spacing terminal, spacing terminal gear is located at the outer wall back side of cavity for spacing, movable housing interior
Axially extending on wall and be provided with sliding rail, sliding rail is arranged in pairs composition one group, and between two sliding rails, composition is together
Sliding channel, and often uniform setting between group sliding rail, its arranged distribution and spacing terminal mutually stagger setting, every slip
The middle part of passage is provided with the first through hole for accommodating locking wedge;The sidewall of active unit be provided with axially extending and with slip
The chute that track matches, chute is socketed on sliding rail and makes active unit slide axially with movable housing to be connected, chute
End be provided with one can with sliding rail end conflict end face;Bottom fixes the dorsal part being covered on cavity, and its bottom surface is offered
There is the electric sheet connecting hole matched with active unit front end face, the outer wall of bottom offers vertically and matches with spacing terminal
Movable conduit;Conducting strip is independently plugged in electricity sheet connecting hole, and is connected, before conducting strip by screw and bottom are fixing
The logical current piece connecting hole grafting of end enters the inside of bottom;Support between the back side and the surface of drain pan of active unit and be provided with spring;Lid
In the cavity side walls of plate, correspondence is laid with the second through hole matched with the first through hole, and the front end of active unit is provided with and concaves
The groove of unblanking fallen into, the rear end outer wall of unblank groove and active unit seamlessly transits, between each first through hole and the second through hole
Being plugged with a locking wedge, the side walls of locking wedge is plugged in sliding channel, and the inner side of locking wedge is supported and is located at
The surface of active unit, during making active unit slide axially, locks wedge and at the rear end outer wall of active unit and unblanks
Telescopic movable under the effect of groove.
Further, described active unit is provided with the slot matched with two-pin plug or three-pin plug;Each slot
Be smaller in size than two-pin plug or the size of three-pin plug corresponding terminal, and the outside of slot is open arranges, and makes the bottom surface of slot
Can partly contact at the corresponding terminal end face of two-pin plug or three-pin plug, form an axial plane of constraint.
Further, the inside front ends of described slot is provided with the most outward-dipping lead-in chamfered, the tail end of lead-in chamfered
And interference fit between inside each terminal of two-pin plug or three-pin plug.
Further, the inside U-bend in front end of described conducting strip is bent, forms a resilient engagement end;Each conducting strip
Resilient engagement end, corresponding to the outside of each slot of active unit, makes active unit slide axially the bullet of each conducting strip when stretching out
Property abutting end is right against the outside of each slot, electrically connects with the corresponding terminal lateral surface of two-pin plug or three-pin plug.
Further, the aperture of described second through hole is less than the external diameter of locking wedge, and the aperture of described first through hole is equal to
Lock the external diameter of wedge, and the outside of locking wedge is provided with the chamfering or fillet matched with the second through hole.
Further, described cover plate is provided with the first back-off tooth, and described inboard wall of cartridge is provided with and the first back-off tooth phase
The first alveolus joined, the first back-off tooth is fastened on the first alveolus that to make cover plate be connected with box body fixing.
Further, described bottom is provided with the second back-off tooth, and the cavity side walls of described cover plate is provided with and the second back-off tooth
The second alveolus matched, the second back-off tooth is fastened on the second alveolus that to make bottom be connected with cavity dorsal part fixing.
A kind of press-type safety utilization of electric power socket volume provided by the present invention, has the advantage that
The energising of socket uses the daily consumption habit fully meeting commonly used person, it is ensured that will not be in the mistake inserting plug
Get an electric shock in journey or under the state of no-pin plug, without carrying out extra operation;
Simple in construction, easy production and assembly, cost is relatively low, possesses the market competitiveness.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the overall structure schematic diagram of press-type safety utilization of electric power socket of the present invention volume.
Fig. 2 is the structural representation of the touch-pressure switch device in the embodiment of the present invention one.
Fig. 3 is the structural representation of the touch-pressure switch device in the embodiment of the present invention two.
Description of reference numerals:
1, box body 2, protecgulum
3, cover plate 4, cavity
5, the second through hole 6, movable housing
7, the first through hole 8, sliding rail
9, spacing terminal 10, active unit
11, chute 12, groove of unblanking
13, lead-in chamfered 14, bottom
15, electricity sheet connecting hole 16, movable conduit
17, conducting strip 18, resilient engagement end
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
And accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.It should be noted that described reality
Executing example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area is general
The every other embodiment that logical technical staff is obtained under not making creative work premise, broadly falls into present invention protection
Scope.
Embodiment one
Refer to Fig. 1 to Fig. 2, the invention discloses a kind of press-type safety utilization of electric power socket, including being mutually combined installation
Protecgulum 2 and box body 1;Box body 1 is square box-like, and the back side of box body 1 is provided with string holes;Protecgulum 2 includes cover plate 3 and touch-pressure switch dress
Put;Cover plate 3 is square, and cover plate 3 is provided with at least one and caves inward and the cavity 4 of the most through column, touch-pressure switch
The axially retractable inside being installed on cavity 4 of device, and the normally opened setting of touch-pressure switch device, before its front end protrudes from protecgulum 2
Surface.
The present invention is as broad as long with common socket in appearance, is typically also and is installed on construction wall, and protecgulum 2 exposes
Part.
When user needs to make electrical appliance, will corresponding will plug insertion socket be energized, but during this such as
Fruit touches the fire line terminal of plug accidentally, and civil power will be energized with human body, produces Danger Electric shock risk.The lives such as child be there is no
For the people that method is taken care of oneself, this risk is fatal.The present invention mainly completes energising action by touch-pressure switch device.
Referring to Fig. 2, specifically, as preferably, described touch-pressure switch device includes movable housing 6, active unit 10, the end
Lid 14, conducting strip 17, spring and locking wedge;The profile of movable housing 6 matches with the inner wall shape of cavity 4, movable housing 6
Sliding axially and be plugged on the inside of cavity 4, the front end face of movable housing 6 is provided with and matches with two-pin plug or three-pin plug
Electric jack, the dorsal part outer wall of movable housing 6 is laid with outward extending spacing terminal 9, spacing terminal 9 gear is located at cavity
The outer wall back side of 4, for spacing, the inwall of movable housing 6 axially extend and is provided with sliding rail 8, and sliding rail 8 sets in pairs
Put composition one group, form one sliding channel between two sliding rails 8, and often organize uniform setting between sliding rail 8, its row
Column distribution and spacing terminal 9 mutually stagger settings, and the middle part of every sliding channel is provided with first logical for accommodate locking wedge
Hole 7;The sidewall of active unit 10 is provided with chute 11 that is axially extending and that match with sliding rail 8, and chute 11 is socketed in cunning
Making active unit 10 slide axially with movable housing 6 on dynamic track 8 to be connected, the end of chute 11 is provided with one can be with slip rail
The end face that road 8 end is conflicted;The fixing dorsal part being covered on cavity 4 of bottom 14, its bottom surface offers and active unit 10 front end face
The electric sheet connecting hole 15 matched, the outer wall of bottom 14 offers movable conduit 16 vertically that match with spacing terminal 9;
Conducting strip 17 is independently plugged in electricity sheet connecting hole 15, and is connected by screw is fixing with bottom 14, the front end of conducting strip 17
Logical current piece connecting hole 15 grafting enters the inside of bottom 14;Support between the back side and the surface of drain pan of active unit 10 and be provided with bullet
Spring;On cavity 4 sidewall of cover plate 3, correspondence is laid with the second through hole 5 matched with the first through hole 7, before active unit 10
End is provided with the groove 12 of unblanking caved inward, and the rear end outer wall of unblank groove 12 and active unit 10 seamlessly transits, and each first
Being plugged with a locking wedge between through hole 7 and the second through hole 5, the side walls of locking wedge is plugged in sliding channel, and
The surface being located at active unit 10 is supported in the inner side of locking wedge, and during making active unit 10 slide axially, locking wedge exists
Telescopic movable under the effect of the rear end outer wall of active unit 10 and groove 12 of unblanking.
The operation principle of the present invention is: when the plug of electrical appliance is inserted jack, the active unit within movable housing 6
10 are in normal bit under the action of the spring, have the trend of forward slip, and chute 11 end-acted under, to active shell
Body 6 also produces the trend of forward slip, thus under normal conditions, movable housing 6 always protrudes from the surface of cover plate 3.And
Under the effect of locking wedge, movable housing 6 is overall locked, it is impossible to slid inward under the effect of external force.And now can connect
The each conducting strip 17 being only the portions on bottom 14 of logical civil power, conducting strip 17 obviously with extraneous contact, thus cannot not deposited
At Danger Electric shock risk.
When plug is inserted in jack by user, it is divided into following process:
First being the terminal entrance jack of plug, now terminal is still to touch conducting strip 17, it is impossible to enough normal
Energising, even if so now user accidentally touch terminal and be also impossible to get an electric shock.
Continuing into then as plug, terminal will come in contact with active unit 10.As preferably, described activity
Unit 10 is provided with the slot matched with two-pin plug or three-pin plug;Each slot be smaller in size than two-pin plug or three feet
The size of plug corresponding terminal, and the open setting in outside of slot, make the bottom surface of slot can partly contact at two-pin plug or three
The corresponding terminal end face of n pin package n, forms an axial plane of constraint.And as the most preferred, the inner side of described slot
Front end is provided with the most outward-dipping lead-in chamfered 13, the tail end of lead-in chamfered 13 and two-pin plug or each end of three-pin plug
Interference fit between inside son.The terminal of plug enters correctly into slot, and the end face of terminal under the guiding of lead-in chamfered 13
Part is pressed on the bottom surface of slot, and meanwhile, the interference fit of lead-in chamfered 13 tail end creates certain frictional force, helps to improve
Effectively contacting between plug terminal with active unit 10.With the touch-pressure switch designed for two-pin plug in the present embodiment
For device, the half of the slot width of the active unit 10 only about thickness of standard electrical plug terminal, lead-in chamfered 13 tail
The interference fit of end plays well puts forth effort effect.Along with plug continues into, active unit 10 is internal gram of movable housing 6
The elastic force taking spring slides backward, until the end face of plug is fitted on the front end face of movable housing 6 completely, the end of plug
Till covering within the fully-inserted jack of son.
Now, active unit 10 just looks like that cam is the same to locking wedge, finally makes lock due to the effect of groove 12 of unblanking
Determine wedge and produce the trend to contract.In order to coordinate this motion, as preferably, the aperture of described second through hole 5 is less than lock
Determining the external diameter of wedge, the aperture of described first through hole 7 is equal to the external diameter of locking wedge, and the outside of locking wedge is provided with and second
Chamfering that through hole 5 matches or fillet.Locking wedge is freely slidable under the guide effect of sliding channel and the first through hole 7,
The aperture of the second through hole 5 can be avoided locking wedge less than the external diameter of locking wedge and skid off at the second through hole 5.Meanwhile, locking is carved
Chamfering or fillet outside block can be in the case of movable housing 6 produce slid inward trend, it is provided that axial component forces
Locking wedge is to contract.Once locking wedge is shunk, then whole movable housing 6 is equivalent to be " unlocked ", and can enter one
Step slid inward.And this " unlocks " in action, the terminal of plug is equivalent to be " key ".
When whole movable housing 6 slid inward, outside the terminal of plug, energising will be contacted with conducting strip 17.Due to electricity
The terminal of plug is first to cover inside fully-inserted jack, completes energising the most again, and therefore before energising, user is no matter
The terminal that can not touch plug more how, has stopped the danger got an electric shock.
Owing to there being spring to produce reset response power between active unit 10 and bottom 14 all the time, if conducting strip 17 and electric mortiser
Between the terminal of head, frictional force is not enough, is difficult to make plug remain powered on state.Once the terminal of plug automatically exits from,
" unblock " effect of this " key " will be lost efficacy, and all parts all can reset one by one, and the terminal of plug can be final
Dead electricity.In order to increase effectively contacting between conducting strip 17 with plug terminal, as preferably, the front end of described conducting strip 17 to
Interior U-bend is bent, forms a resilient engagement end 18;The resilient engagement end 18 of each conducting strip 17 corresponding to active unit 10 each
The outside of slot, makes the active unit 10 resilient engagement end 18 of each conducting strip 17 when stretching out that slides axially be right against each slot
Outside, electrically connect with the corresponding terminal lateral surface of two-pin plug or three-pin plug.When the terminal of plug inserts, elastic connecting
Close end 18 can be transversely compressed, rely on himself elasticity to guarantee good with contacting of terminal, and can also improve and rub
Wiping effect.
For common socket, the number of components of the present invention or on the high side.In order to reduce assembling difficulty, as
Preferably, described cover plate 3 is provided with the first back-off tooth, and described box body 1 inwall is provided with the first tooth matched with the first back-off tooth
Groove, the first back-off tooth is fastened on the first alveolus that to make cover plate 3 be connected with box body 1 fixing.Described bottom 14 is provided with the second back-off tooth,
Cavity 4 sidewall of described cover plate 3 is provided with the second alveolus matched with the second back-off tooth, and the second back-off tooth is fastened on the second tooth
Bottom 14 is made to be connected with cavity 4 dorsal part on groove fixing.The mounting means utilizing back-off tooth to fasten improves assembling to greatest extent
Efficiency, installs also substantially without by instrument.
Embodiment two
Referring to Fig. 3, the present embodiment is with unique difference of embodiment one, and the present embodiment is to do for three-pin plug
Design, its basic architectural feature and operation principle are identical with embodiment one, simply at the work in shape of parts
Adapt to amendment.
It should be noted that the touch-pressure switch device designed for three-pin plug, many conducting strips 17 connecting ground wire,
The arrangement of slot also has corresponding change.
A kind of press-type safety utilization of electric power socket provided by the present invention, the energising of socket uses and fully meets commonly used person
Daily consumption habit, it is ensured that when inserting during plug or will not get an electric shock, without entering when no-pin plug
The operation that row is extra.And simple in construction, easy production and assembly, cost is relatively low, possesses the market competitiveness.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.