CN204720633U - A kind of two pole insertion hole protection door structures - Google Patents

A kind of two pole insertion hole protection door structures Download PDF

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Publication number
CN204720633U
CN204720633U CN201520401845.1U CN201520401845U CN204720633U CN 204720633 U CN204720633 U CN 204720633U CN 201520401845 U CN201520401845 U CN 201520401845U CN 204720633 U CN204720633 U CN 204720633U
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CN
China
Prior art keywords
shutter
pole
sidewall
protection door
door structures
Prior art date
Application number
CN201520401845.1U
Other languages
Chinese (zh)
Inventor
章卫军
Original Assignee
公牛集团有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 公牛集团有限公司 filed Critical 公牛集团有限公司
Priority to CN201520401845.1U priority Critical patent/CN204720633U/en
Application granted granted Critical
Publication of CN204720633U publication Critical patent/CN204720633U/en

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Abstract

The utility model discloses a kind of two pole insertion hole protection door structures, comprise the shutter in the housing being arranged at protection box that slides, the two-end-point position of shutter sliding trace is respectively enable possition and off-position, described shutter is provided with two sloping platforms corresponding with two pole jack positions, sloping platform is provided with driving inclined-plane, and the housing of described protection box comprises base plate and cover plate; It is matched in clearance between described shutter and described cover plate; Towards the angle a being provided with opening upwards between the face, sidewall place and the face, sidewall place of relative described protection box housing of the shutter in off-position direction.The beneficial effects of the utility model are: volume is light and handy, feel is smooth, have the identification protection effect inserted monopole probes concurrently.

Description

A kind of two pole insertion hole protection door structures
Technical field
The utility model relates to a kind of installation structures, especially a kind of shutter structure be applicable on Double-hole socket.
Background technology
Socket is that the daily electricity consumption of people is provided convenience.The hidden danger of conventional socket is outside jack is exposed to, once be mistakenly inserted with metal bars such as iron nails by children, serious security incident can occur.For this reason, generally in socket, shutter structure has been added in industry.Chinese patent literature " CN201663286U " discloses " the two poles of the earth shutter and have the socket box of the two poles of the earth shutter ", the middle part of described main body is provided with and is provided with the sloping platform with the pin adaptation of two pole sockets with the slotted eye of the grounding pin adaptation of three-terminal polarized plus plug, the bilateral symmetry of described slotted eye, and described sloping platform is tilted to described main body by described main body first side; Described main body is provided with chute in the one side contrary with sloping platform in the both sides of described slotted eye are parallel.The defect of such Double-hole socket shutter is, when plug inserts, shutter and socket box produce planar friction, and cause shutter to slide smooth and easy not, the feel of insertion is involved and abstruse.
Summary of the invention
The utility model technical issues that need to address are, existing two pole insertion hole protection doors are smooth and easy not when plug inserts, and feel is involved and abstruse, thus provide a kind of smooth and easy, that feel is smooth two pole insertion hole protection door structures of sliding.
To achieve these goals, the utility model adopts following technical scheme: a kind of two pole insertion hole protection door structures, comprise the shutter in the housing being arranged at protection box that slides, the two-end-point position of shutter sliding trace is respectively enable possition and off-position, described shutter is provided with two sloping platforms corresponding with two pole jack positions, sloping platform is provided with driving inclined-plane, and the housing of described protection box comprises base plate and cover plate; It is matched in clearance between described shutter and described cover plate; Towards the angle a being provided with opening upwards between the face, sidewall place and the face, sidewall place of relative described protection box housing of the shutter in off-position direction.
In this programme, when shutter is when being touched by two-wire plug metal insert, owing to there is angle a, shutter can produce front and to have a down dip the tilting action that rear faces upward.This tilting has double action, and one is allow shutter lower surface become line face with the surface of base plate from plane-plane contact contact, and two is allow shutter chute and the shutter slide rail on cover plate become line face from plane-plane contact to contact or even some face contacts.Under such double action, the frictional resistance of shutter slide displacement reduces greatly, greatly can improve feel when metal insert inserts.Angle a advises the scope of selection 3 ° ~ 5 °, angle too small, is difficult to produce tilt effect, and angle is excessive, be then limited to the height between base plate and cover plate, do not possess practical significance.
Be provided with the chain-wales parallel with shutter glide direction as preferred described sloping platform afterbody, described chain-wales and described sloping platform seamlessly transit.The effect of balance pivot can be played in chain-wales position; when bimetallic inserted sheet touches the driving inclined-plane of shutter; by shutter with chain-wales transition arc place circle center line connecting for axle tilts as the angle of angle a, to improvement insertion feel, there is further effect of optimization.If monopole probes inserts, chain-wales is stressed irregular, does not possess the ability promoting shutter and occur to break away, cannot expose protected door and block electrode in below, thus avoid producing potential safety hazard.
As preferably, described shutter be provided with shutter chute above, the medial surface of described cover plate is provided with shutter slide rail, and both form sliding relation.In this programme, arrange shutter chute at the upper surface of shutter, be on the cover board provided with shutter slide rail, both mate correspondence, make shutter can produce slide displacement by opposing cover plates, optimize slip feel further.
As preferably, also comprise elastic component, abut with elastic component between the sidewall of the described shutter towards direction, enable possition and the sidewall of relative housing.For helping the reset of shutter, this programme is provided with elastic component between the sidewall of the protection box shell of shutter sidewall and subtend, when shutter be subject to two-wire plug metal insert downforce and to side slip time, flexible member is provided with elastic potential energy by compressing; After metal insert is extracted, the release of the elastic potential energy of flexible member, promotes shutter and returns initial position, continues to block the metal electrode under it, ensure that safety utilization of electric power.
As preferably, the middle part projection below described shutter be provided with the oscillating roller being parallel to shutter glide direction; Symmetrically on described base plate be provided with two shutter guide vane end stops, described shutter guide vane end stop is positioned at described shutter is slided to enable possition track front by off-position.Shutter is set to only contact with roller protruding together with base plate by this programme, this way of contact produces a kind of poised state of fragility, shutter is very easily around the inclination of roll shaft generation seesaw type, only two-wire plug two metal insert Simultaneous Stabilizations touch shutter in, shutter could keep balance, stable sideslip, if only there is a probe type objects to touch shutter, the balance of shutter is broken, this side rolls, shutter after inclination collides together with the shutter guide vane end stop be arranged on this side base plate, its sideslip can be stopped, the metal electrode that protected door covers up cannot be exposed, guarantee that one pole inserts identified and protect.
As preferably, the elastic component abutting place of described shutter side caves inward into elastic component groove.The position that shutter is abutted elastic component by this programme is set to indent, can save large quantity space, can not the sideslip distance of shutter have an impact again, and to selecting, the elasticity of suitable dimension is helpful.
As preferably, described elastic component is Compress Spring; The position that described shutter and described base plate abut Compress Spring is equipped with protruding fulcrum of spring.When using Compress Spring as elastic component, two ends are located with the fulcrum of spring of projection, effective and do not take up space.
As preferably, the face, sidewall place of the described shutter towards off-position direction is inclined plane, and the face, sidewall place of described protection box housing is corresponding thereto vertical plane, is provided with the angle a of opening upwards between the two.The method to set up of angle a has three kinds, and one of them is that angle is all located at direction, face, shutter sidewall place.
As preferably, the face, sidewall place of the described shutter towards off-position direction is vertical plane, and the face, sidewall place of described protection box housing is corresponding thereto inclined plane, is provided with the angle a of opening upwards between the two.The method to set up of angle a has three kinds, and wherein two is that angle is all located at protection direction, face, box housing sidewall place.
As preferably, the face, sidewall place of the face, sidewall place of the described shutter towards off-position direction and described protection box housing is corresponding thereto inclined plane, is provided with the angle a of opening upwards between the two.The method to set up of angle a has three kinds, and wherein three is that shutter sidewall and protection box side wall of outer shell are inclined-plane, and the angle between two inclined-planes is a.
In sum, the beneficial effects of the utility model are: volume is light and handy, feel is smooth, have the identification protection effect inserted monopole probes concurrently.
Accompanying drawing explanation
Fig. 1 is the perspective view of shutter in the utility model,
Fig. 2 is the front view of Fig. 1,
Fig. 3 is the upward view of Fig. 2,
Fig. 4 is the end view of Fig. 2,
Fig. 5 is the A-A generalized section of Fig. 2,
Fig. 6 is the schematic diagram that the utility model shutter and base are assembled together,
Fig. 7 is the perspective view of the utility model cover plate,
Fig. 8 is the schematic diagram that the utility model is assembled together completely.
Wherein: 1 base plate, 2 cover plates, 3 shutters, 4 elastic components, 11 shutter guide vane end stops, 21 shutter slide rails, 22 cover plate through holes, 31 sloping platforms, 32 shutter chutes, 33 chain-wales, 34 oscillating rollers, 35 elastic component grooves, 41 fulcrum of spring.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
In embodiment as shown in Fig. 6, Fig. 8, a kind of two pole insertion hole protection door structures, be made up of the shutter 3 be arranged in protection box of protection box and slip, the housing of protection box comprises base plate 1, cover plate 2.Base plate and cover plate are fixed together by syndeton fastened to each other; what this example was selected is fastened by buckle structure; shutter is fastened between base plate and cover plate by activity; the two-end-point position of its sliding trace is respectively enable possition and off-position, the corresponding state exposing and block its lower motor.As shown in Figure 1, Figure 2, Figure 3 shows, shutter is provided with two sloping platforms 31 corresponding with two pole jack positions, and sloping platform is provided with and drives inclined-plane 311, just in time touches these two and drive inclined-plane when two metal inserts of two-wire plug insert.Shutter pass through above be provided with shutter chute 32, accordingly, as shown in Figure 7; what the medial surface of cover plate passed through is provided with shutter slide rail; both form sliding relation, and when shutter is fastened between base plate and cover plate, shutter is able to slide in the space between base plate and cover plate.Cover plate is provided with the cover plate through hole 22 of coupling two pole jack position, be directly " day " font by deck design in this example, only retain middle one horizontal be shutter slide rail.Shutter becomes elastic component groove 35 towards the concave side wall of opening direction; inside establish elastic component 3; what this routine Elastic part was selected is Compress Spring, and the Compress Spring other end is connected to the sidewall of the base plate of opposite face, and abutting place, Compress Spring two ends is equipped with protruding fulcrum of spring 41.Be matched in clearance between shutter and cover plate, different according to the shutter chute degree of depth, gap width also can have difference, does not deviate to be limited with shutter slide rail from shutter chute.As shown in Figure 4, Figure 5, towards the angle a being provided with opening upwards between the face, sidewall place and the face, sidewall place of relative described protection box housing of the shutter in off-position direction, angle a has three kinds of set-up modes: the face, sidewall place towards the shutter in off-position direction is inclined plane, the face, sidewall place of protection box housing is corresponding thereto vertical plane, and angle is a between the two; Face, sidewall place towards the shutter in off-position direction is vertical plane, and the face, sidewall place of protection box housing is corresponding thereto inclined plane, and angle is a between the two; Be inclined plane towards the face, sidewall place of the shutter in off-position direction and the face, sidewall place of protection box housing corresponding thereto, angle is a between the two.This example selects the first to arrange.The value of angle a is between 3 ° and 5 °, and this example selects 4 °.Sloping platform afterbody is provided with the chain-wales 33 parallel with shutter glide direction, and chain-wales and described sloping platform seamlessly transit sloping platform afterbody and seamlessly transit.When shutter is when being subject to the metal insert pressure from the two-wire plug of top, the effect of balance pivot can be played in chain-wales position, by shutter with chain-wales transition arc place circle center line connecting for axle tilts as the angle of angle a; Meanwhile, if monopole probes inserts, chain-wales is stressed irregular, does not possess the ability promoting shutter and occur to break away, cannot expose protected door and block electrode in below, thus avoid producing potential safety hazard.As shown in Figure 6; middle part projection below shutter be provided with the oscillating roller 34 being parallel to shutter glide direction; make shutter very easily around the inclination of roll shaft generation seesaw type; simultaneously; symmetrically on base plate be provided with two shutter guide vane end stops 11, shutter guide vane end stop is positioned at shutter by the front of off-position to enable possition sliding trace, when shutter tilts; the protected door limiting block of inclination place blocks, and cannot produce break away along the direction of shutter chute.
The one two pole insertion hole protection door structure of the present embodiment; in use; when the metal insert of two-wire plug is from top to bottom through cover plate through hole; when touching the sloping platform of shutter; drive inclined-plane downward power to be converted into the power of oblique sideslip, promotion shutter slips off along the direction side direction of shutter chute, exposes the electrode under it; metal insert contacts with motor, the connection of realizing circuit.When shutter breaks away, be connected to that Compress Spring between shutter sidewall and bottom sidewall is stressed to be compressed, be provided with elastic potential energy, when metal insert is pulled out, Compress Spring release elastic potential energy, pushes back initial position by shutter along shutter chute.Simultaneously; when metal insert touches driving inclined-plane; shutter is stressed; with chain-wales transition arc place circle center line connecting for axle tilts angle a; this tilting; on the one hand allow shutter lower surface become line face with the surface of base plate from plane-plane contact contact, one side allows shutter chute and the shutter slide rail on cover plate become line face from plane-plane contact and to contact or even some face contacts.Under such double action, frictional resistance when shutter slides reduces greatly, greatly can improve feel when metal insert inserts.If there is monopole probes accidentally to insert any one jack; then probe contacts with one of them sloping platform of shutter; this skew back platform is stressed; cause the inclination of this gusset around roll shaft generation seesaw type of shutter; this side shutter is arranged on the shutter guide vane end stop restriction on base plate; cannot break away, achieve the identification to monopole probes insertion and protection.

Claims (10)

1. a pole insertion hole protection door structure, comprise the shutter (3) in the housing being arranged at protection box that slides, the two-end-point position of shutter sliding trace is respectively enable possition and off-position, described shutter is provided with two sloping platforms (31) corresponding with two pole jack positions, sloping platform is provided with and drives inclined-plane (311), it is characterized in that, the housing of described protection box comprises base plate (1) and cover plate (2); It is matched in clearance between described shutter and described cover plate; Towards the angle a being provided with opening upwards between the face, sidewall place and the face, sidewall place of relative described protection box housing of the shutter in off-position direction.
2. a kind of two pole insertion hole protection door structures according to claim 1, it is characterized in that, described sloping platform afterbody is provided with the chain-wales (33) parallel with shutter glide direction, and described chain-wales and described sloping platform seamlessly transit.
3. a kind of two pole insertion hole protection door structures according to claim 1 and 2, is characterized in that, be provided with shutter chute (32) above described shutter, the medial surface of described cover plate is provided with shutter slide rail (21), and both form sliding relation.
4. a kind of two pole insertion hole protection door structures according to claim 1 and 2, is characterized in that, also comprise elastic component (4), abut between the sidewall of the described shutter towards direction, enable possition and the sidewall of relative housing with elastic component.
5. a kind of two pole insertion hole protection door structures according to claim 1 and 2, is characterized in that, the middle part projection below described shutter be provided with the oscillating roller (34) being parallel to shutter glide direction; Symmetrically on described base plate be provided with two shutter guide vane end stops (11), described shutter guide vane end stop is positioned at described shutter is slided to enable possition track front by off-position.
6. a kind of two pole insertion hole protection door structures according to claim 4, it is characterized in that, the elastic component abutting place of described shutter side caves inward into elastic component groove (35).
7. a kind of two pole insertion hole protection door structures according to claim 4, it is characterized in that, described elastic component is Compress Spring; The position that described shutter and described base plate abut Compress Spring is equipped with protruding fulcrum of spring (41).
8. a kind of two pole insertion hole protection door structures according to claim 1 and 2; it is characterized in that; the face, sidewall place of the described shutter towards off-position direction is inclined plane, and the face, sidewall place of described protection box housing is corresponding thereto vertical plane, is provided with the angle a of opening upwards between the two.
9. a kind of two pole insertion hole protection door structures according to claim 1 and 2; it is characterized in that; the face, sidewall place of the described shutter towards off-position direction is vertical plane, and the face, sidewall place of described protection box housing is corresponding thereto inclined plane, is provided with the angle a of opening upwards between the two.
10. a kind of two pole insertion hole protection door structures according to claim 1 and 2; it is characterized in that; the face, sidewall place of the face, sidewall place of the described shutter towards off-position direction and described protection box housing is corresponding thereto inclined plane, is provided with the angle a of opening upwards between the two.
CN201520401845.1U 2015-06-11 2015-06-11 A kind of two pole insertion hole protection door structures CN204720633U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520401845.1U CN204720633U (en) 2015-06-11 2015-06-11 A kind of two pole insertion hole protection door structures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520401845.1U CN204720633U (en) 2015-06-11 2015-06-11 A kind of two pole insertion hole protection door structures

Publications (1)

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CN204720633U true CN204720633U (en) 2015-10-21

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Application Number Title Priority Date Filing Date
CN201520401845.1U CN204720633U (en) 2015-06-11 2015-06-11 A kind of two pole insertion hole protection door structures

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106848773A (en) * 2017-01-24 2017-06-13 张伟萍 A kind of plug assembly of safe power supply

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106848773A (en) * 2017-01-24 2017-06-13 张伟萍 A kind of plug assembly of safe power supply

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GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 315314 Zhejiang city of Ningbo province Cixi city Guanhaiwei town East Industrial Park

Patentee after: Bulls group Limited by Share Ltd

Address before: 315314 Zhejiang city of Ningbo province Cixi city Guanhaiwei town East Industrial Park

Patentee before: Gongniu Group Co., Ltd.