WO2012068723A1 - 一种插座 - Google Patents

一种插座 Download PDF

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Publication number
WO2012068723A1
WO2012068723A1 PCT/CN2010/079003 CN2010079003W WO2012068723A1 WO 2012068723 A1 WO2012068723 A1 WO 2012068723A1 CN 2010079003 W CN2010079003 W CN 2010079003W WO 2012068723 A1 WO2012068723 A1 WO 2012068723A1
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WO
WIPO (PCT)
Prior art keywords
guide groove
cover plate
disposed
socket
piece
Prior art date
Application number
PCT/CN2010/079003
Other languages
English (en)
French (fr)
Inventor
郑秋翎
Original Assignee
Zheng Qiuling
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 Zheng Qiuling filed Critical Zheng Qiuling
Priority to PCT/CN2010/079003 priority Critical patent/WO2012068723A1/zh
Publication of WO2012068723A1 publication Critical patent/WO2012068723A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/701—Structural association with built-in electrical component with built-in switch the switch being actuated by an accessory, e.g. cover, locking member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall

Definitions

  • the present invention relates to a socket, and more particularly to a socket that is powered off in a non-use state.
  • the socket generally comprises a seat body, the seat body has a certain cavity, the cover body is covered with a cover plate, and a receiving space is formed.
  • the seat body is provided with two or three elastic clamping heads, and each clamping head is respectively connected with the power source.
  • the positive pole, the negative pole and the grounding wire are connected;
  • the cover plate is detachably covered on the seat body, and two or three jacks are opened on the cover plate corresponding to the positions of the clamping heads, and the two-legged or three-legged plugs are inserted
  • the pins of the plug are respectively in contact with the respective clamping heads, thereby turning on the power supply of the appliance.
  • the disadvantage of this type of socket is that the clamping head in the socket continues to have power, which poses a safety hazard to the user. For safety reasons, it is generally necessary to disconnect the power source by turning the plug from the socket.
  • the button switch is additionally set on the socket, but it brings inconvenience in use, the button needs to be pressed before use, and the button needs to be pressed again after use, and the setting of the switch is for children or In special cases such as mentally handicapped people, there are still insecurity factors.
  • the new socket includes a seat body, a cover plate, two clamping heads, a plurality of compression springs, a fixed piece, an activity
  • the two clamping heads are disposed in the seat body, and the fixing piece is disposed in the seat body, and the movable piece is elastically movable on the bottom surface of the cover plate or the corresponding fixing piece on the seat body, and the movable piece is movable.
  • the chip is provided with positive and negative connecting electrodes, each connecting electrode is electrically connected to the power source, the fixing piece is provided with positive and negative connecting electrodes corresponding to the connecting electrodes on the movable piece, and the connecting electrodes on the fixing piece are respectively electrically connected with the clamping head,
  • the cover plate is elastically movably disposed on the base body by the compression springs.
  • the two-position control device is disposed between the bottom surface of the cover plate and the base body for guiding the two pairs of connecting electrodes between the movable piece and the fixed piece. disconnect.
  • the two-position control device comprises a lifting plate and a circlip, wherein the lifting plate and the circlip are respectively disposed on the cover plate and the seat body, wherein the lifting plate is provided with a heart-shaped lifting guide groove, and a lifting guide groove
  • the direction of the lifting guide groove is increasing or decreasing between the adjacent corners, and the depth of each corner portion of the lifting and guiding groove is changed to form a step, and the free end of the circlip is clamped to the lifting guide Inside the slot.
  • the new type of socket utilizes a two-position control device to achieve the conduction and disconnection of the socket and the power source. Although it is convenient to use, the following problems still exist:
  • the heart-shaped guide groove occupies a large space, which adversely affects the internal design and appearance size of the socket.
  • the connecting electrode on the movable piece can be brought into contact with the connecting electrode on the fixed piece, thereby connecting the power supply of the socket, and the safety performance still needs to be improved.
  • the solution of the present invention is:
  • a socket includes a seat body, a cover plate, two clamping heads, an insulating fixing piece, an insulated movable piece and a two-position control device; the two clamping heads are disposed in the seat body, and the cover plate corresponds to The clamping head is provided with a jack; the fixing piece is disposed in the seat body, and the movable piece is elastically movable on the bottom surface of the cover plate or the position of the corresponding fixing piece on the seat body, and the movable piece is provided with positive and negative connecting electrodes, respectively The connecting electrodes are respectively electrically connected to the power source, and the fixing piece is provided with positive and negative connecting electrodes corresponding to the connecting electrodes on the movable piece, and the connecting electrodes on the fixing piece are respectively electrically connected with the clamping head; the cover plate is elastically movable on the connecting plate
  • the two-position control device is disposed between the cover plate and the base body, wherein: the movable piece is provided with an insulated contact rod, and the contact rod is disposed on
  • the outer ring guide groove and the inner ring guide groove form a one-way circulating guide groove, and the opening faces the card Providing that the free end of the circlip is engaged in the half-heart type guide groove; the outer ring guide groove and the inner ring guide groove are respectively provided with the free end of the circlip to be caught on the movable piece
  • the connecting electrode and the connecting electrode on the fixing piece are in a positioning step in an on or off state, and the outer ring guiding groove and the inner ring guiding groove are respectively provided with guiding steps for preventing the circlip from sliding backward.
  • the positioning step is formed by a depth transition of a joint between the outer ring guide groove and the inner ring guide groove; the guide steps are respectively corresponding to the inflection points of the outer ring guide groove and the inner ring guide groove .
  • the guide groove is disposed on two sides of the lifting plate, the lifting plate is fixed on the cover plate or the seat body, and the circlip spring is correspondingly fixed on the seat body or the cover plate, and the free end of the circlip spring Corresponding to the half-heart type guide grooves which are respectively arranged on both sides of the lifting plate.
  • the guiding groove is disposed on the chord section of the lifting column, and the lifting column is fixed on the cover or the seat body, and the sleeve or the cover plate is correspondingly provided with a sleeve and the circlip, the lifting column Slide in the sleeve.
  • the fixing piece and the movable piece are correspondingly provided with one connecting electrode, and the connecting electrodes of each fixed piece are electrically connected to each of the clamping heads, and the connecting electrodes of each movable piece are electrically connected to the power source.
  • An insulating spring is disposed between the movable piece and the fixed piece.
  • the movable piece is an elastic piece, and one end is fixed on the seat body, and the free end is elastically movable corresponding to the fixed piece, and the contact rod and the connecting electrode are disposed.
  • two or more springs and guide posts are provided between the cover plate and the seat body, and the pins of the plug can be disengaged from the clamping head by the action of the circlip and the lifting plate.
  • the springs are disposed on the cover or the seat body, and the guide posts are respectively disposed on the seat body or the cover plate, and the spring sleeves are respectively disposed correspondingly on the guide pillars.
  • the ground body is provided with a ground clamping head.
  • the socket of the present invention has the following beneficial effects:
  • a half-heart type guide groove is arranged on the cover plate, and a circlip is arranged on the seat body, and a spring and a guide post are arranged between the cover plate and the seat body, and whether the clamp heads on the socket are energized or not depends on the activity.
  • the positional relationship of the piece relative to the fixed piece, and the displacement of the movable piece is controlled by the cover plate, so that when the plug is inserted into the socket, the cover plate is moved downward relative to the seat body, and the downward movement process makes the movable piece and the movable piece
  • the two pairs of connecting electrodes on the fixing piece are turned on to make each clamping head conductive, and the pins on the plug are connected to the corresponding clamping heads.
  • the cover can be pressed again to disengage the pin of the plug from the clamping head to de-energize the plug, and the movable piece is disconnected from the electrode on the fixed piece to break the clamping head.
  • the plug is not required to be pulled out, the external pulling force is prevented to loosen the socket from the fixed wall, the socket can be electrically and electrically disconnected, the utility model is convenient to use, and the semi-heart-shaped guide groove has a compact structure, thereby greatly saving the occupied space inside the socket;
  • a contact rod, a connecting electrode disposed on the movable piece and electrically connected to the power source, and a connecting electrode disposed on the fixing piece and electrically connected to the clamping head are provided.
  • the plug presses the cover plate and presses the contact rod
  • the movable piece and the connecting electrode on the fixed piece are brought into contact, and the plug is electrically connected with the external power source; the double safety guarantees that the plug is only powered when the cover and the lever are simultaneously pressed, greatly
  • the safety performance of the socket is improved. For example, if the child accidentally presses the cover or touches the contact bar, the socket is not electrically conductive.
  • the applicable range of the socket is also increased, and the socket can be installed according to the power position, and the socket is not used.
  • the inconvenience of the person is limited, and it is inconvenient for the visually impaired person to be frequently inserted and removed, and is safe and reliable;
  • the outer ring guide groove and the inner ring guide groove are respectively provided with guiding steps and positioning steps, so that the circlip slides smoothly and the positioning is reliable, so that the conductive and power-off performance of the socket is more reliable;
  • the structure of the lifting plate and the circlip is adopted, the circlip is engaged with the half-heart type guide groove from the front and back sides of the lifting plate, or the structure of the lifting column and the sleeve is matched, and the circlip is engaged with the guide from one side The groove, so that during the movement, the circlip is always engaged with the guide groove, and it is not easy to derail.
  • FIG. 1 is a schematic view showing the appearance of a normal state of a socket embodiment 1 of the present invention
  • FIG. 2 is a perspective view showing the normal state of the socket embodiment 1 of the present invention.
  • FIG. 3 is a perspective view showing the state in which the socket of the present invention is pressed
  • FIG. 4 is a perspective view showing the state in which the plug of the socket embodiment 1 of the present invention is inserted;
  • Figure 5 is a perspective view of the lifting plate
  • FIG. 6 is a perspective view showing the normal state of the socket embodiment 2 of the present invention.
  • Figure 7 is a perspective view showing the state in which the socket of the second embodiment of the present invention is pressed
  • Figure 8 is a perspective view showing the state in which the plug of the socket embodiment 2 of the present invention is inserted;
  • FIG. 9 is a perspective view showing the normal state of the socket embodiment 3 of the present invention.
  • Figure 10 is a perspective view showing the socket embodiment 3 of the present invention in a pressed state
  • Figure 11 is a perspective view showing the state in which the plug of the socket embodiment 3 of the present invention is inserted;
  • Figure 12 is a perspective view showing the state in which the plug of the socket embodiment 5 of the present invention is inserted;
  • Figure 13 is a perspective view showing the state in which the socket of the embodiment 6 is pressed
  • Figure 14 is a perspective view showing the state in which the plug of the socket embodiment 6 of the present invention is inserted.
  • Two-position control device 30' two-position control device 30'
  • Static contact 42' is connected to electrode 421
  • the socket of the present invention is mainly composed of a cover 10, a base 20, and the like.
  • the cover 10 is fastened to the base 20 to form a receiving space, and a double-position control device 30 is disposed in the receiving space. Components such as switch 40.
  • the upper surface of the base body 20 is provided with an opening corresponding to the cover plate 10.
  • the cover plate 10 is disposed through the opening and protrudes from the upper surface of the base body 20.
  • the cover plate 10 is provided with three insertion holes 11 for the base body 20.
  • Each of the jacks 11 is internally provided with a clamping head 21, the two clamping heads are electrically connected to form the positive and negative poles of the socket, and the other clamping head is connected to the grounding wire.
  • Two clamping heads 21 are disposed in the base body 20, and two insertion holes 11 are provided on the cover plate 10 corresponding to the clamping heads 21, and a boss is provided toward the base body 20, so that the pins of the plugs play a guiding role.
  • the four corners of the cover 10 are provided with a guide post 12, and the base 20 is provided with a boss.
  • the boss is fixed with a spring 22, and the guide post 12 is disposed therein.
  • the positions of the guide post and the spring can be interchanged, that is, the spring is arranged on the cover plate, and the guide post is arranged on the seat body; the number of the guide post and the spring can also be set to two or more according to the shape and space of the seat body and the cover plate.
  • the two-position control device 30 is composed of a lift plate 31 and a snap spring 32.
  • the lifting plate 31 is fixed on the cover plate 11. As shown in FIG. 4, the lifting plate 31 has a certain thickness, and both sides are provided with a half-heart type guiding groove with an opening facing downward, and the half-heart type guiding groove is formed by the outer ring guiding groove 311.
  • the inner ring guide groove 312 constitutes a one-way circulating guide groove.
  • the outer ring guiding groove 311 is provided with a guiding step 313 between the inflection point of the inner wall and the front of the inflection point of the outer wall, so as to prevent the circlip from sliding backwards so that it can only unidirectionally slide along the outer ring guiding groove; the inner ring guiding groove 312 is at the inflection point of the inner wall, A guide step 313 is also provided between the inflection points of the outer wall.
  • the depth transition at the junction of the outer ring guide groove 311 and the inner ring guide groove 312 forms a positioning step 313 for positioning the circlips at the starting points of the outer ring guide groove and the inner ring guide groove, respectively.
  • the circlip 32 is fixed to the base 20, and the free end of the circlip 32 is circulated in a single direction in the guide groove, that is, the circlip slides from the starting point of the outer ring guide groove along the guide groove and over the guide.
  • the positioning step 314 can be engaged.
  • the positioning step 314 can be engaged.
  • the circlip 32 is clamped in the guide groove of the lifting plate 31 from the front and back sides, so that the circlip slides in the guide groove is more reliable and smooth, and is not easy to derail.
  • the switch 40 is composed of a movable contact 41, a fixed contact 42, and a spring 43, mainly for turning on and off the external power supply.
  • the movable contact 41 is disposed on the cover or the seat body, and the plate-shaped movable piece 412 is provided with two connecting electrodes 411.
  • the movable piece 412 is further provided with a contact rod 413, and the free end of the contact rod 413 is from the cover plate 10.
  • the upper hole 13 passes out and protrudes from a portion of the cover plate, and the hole 13 is disposed adjacent to the insertion hole 11.
  • a stationary contact 42 is provided, which is fixed to the base 20, and two connecting electrodes 421 are also provided on the plate-shaped fixing piece 422 of the stationary contact 42.
  • the two connection electrodes 411 of the movable contact 41 are connected to an external power source, and the two connection electrodes 421 of the stationary contact 42 are electrically connected to the two clamp heads 21, respectively.
  • a spring 43 is disposed between the movable contact 41 and the static contact 42 to make the movable and static contacts in a normally open state, that is, a power-off state.
  • the movable piece 412, the contact rod 413, the spring 43, and the fixed piece 422 are all made of an insulating material.
  • the pin of the plug 50 is inserted into the clamping head 21 from the insertion hole 11, and the end surface of the plug 50 is pressed against the contact rod 413 of the cover 10 to be moved.
  • the contact 41 moves downwardly and makes an electrical connection with the stationary contact 42, such that the switch 40 is closed, the socket conducts an external power source, and is electrically connected to the plug 50.
  • the cover plate 10 is pressed down a little, and the retaining spring 32 returns to the initial position along the inner ring guide groove 312.
  • the cover plate 10 is raised by the four corner springs 22, and the movable contact 41 is under the action of the spring 43. It also moves upward, separates from the stationary contact 42, and the pins of the plug 50 are disengaged from the clamping head 21 to effect a power failure of the plug.
  • the socket of the present invention maintains the cover plate in a lowered position by a two-position control device, and the reliability of the lift plate and the double-sided snap spring is higher than that of other power-off and conduction devices, in particular,
  • the structure in which the circlip slides in the half-heart type guide groove and the spring raises and resets the cover plate is simple, and it is also because of this that the fault is not easy to occur, and the reliability of the socket conduction and power-off is greatly improved.
  • the half-heart type lifting guide groove is also easy to process and implement, and the cost is low; and the half-heart type circulating guide groove is more compact in structure and saves space, which can be based on the complicated and diverse structure of the socket body. Adjust and design the position of the two-position control unit.
  • the socket is normally open under normal conditions. If the socket is not energized, the socket can be turned on and off by pressing the cover plate and pressing the switch once.
  • the power-off and conduction protection structure of the socket firstly, because the pin of the plug has been removed from the clamping head, the user can easily remove the unplugged plug without force, so as to avoid the socket from the wall due to external force.
  • the socket of the present invention has a wide range of installation and use, and is not subject to various restrictions depending on the user. For example, the installation position can be selected according to the use situation, and is used for visually impaired persons. It will not cause discomfort.
  • the cover 10 is provided with a hole 13 adjacent to the insertion hole 11, and a guide cylinder is disposed toward the base body, and the contact rod 413 is bored therein.
  • the end of the contact bar 413 does not expose the cover 10, the cover 10 is lowered, and the contact bar 413 slides in the guide bush and passes through the hole 13.
  • the pin of the plug 50 is inserted into the clamping head 21 from the insertion hole 11, the cover plate 10 is pressed down, and the contact bar 413 abuts against the end surface of the plug 50, so that the movable contact 41 moves downward and forms electricity with the stationary contact 42.
  • the connection is such that the switch 40 is closed and the socket conducts an external power source and is electrically connected to the plug 50.
  • the cover plate 10 is pressed down a little, and the retaining spring 32 returns to the initial position along the inner ring guide groove 312.
  • the cover plate 10 is raised by the four corner springs 22, and the movable contact 41 is under the action of the spring 43. It also moves upward, separates from the stationary contact 42, and the pins of the plug 50 are disengaged from the clamping head 21 to effect a power failure of the plug.
  • FIG. 6-8 it is a second embodiment of the present invention, which is different from the first embodiment in that the two-position control device 30' is assembled in the opposite manner to that in the first embodiment.
  • the clip spring 32 is fixed to the bottom surface of the cover plate 10
  • the lift plate 31 is fixed to the base body 20, and the opening of the half-heart type guide groove faces upward.
  • Embodiment 3 of the present invention differs from Embodiment 1 in that the two-position control device 30' is a manner in which the guide post is engaged with the sleeve.
  • the two-position control device 30' is composed of a lifting column 33, a sleeve 34, and a snap spring 32.
  • the lifting column 33 is fixed on the cover plate 10, and the half-heart type guiding groove is arranged on the chord section 35.
  • the outer ring guiding groove 311 and the inner ring guiding groove 312 are all provided with guiding steps 313 and positioning.
  • the step 314, and the sleeve 34 is fixed to the base 20 corresponding to the guide post 33.
  • the cover plate 10 is depressed, the lifting column 33 moves downward in the sleeve 34, and the retaining spring 32 slides in a single direction in the circulation guide groove. Because the cooperation between the guide post and the sleeve is stable, the movable space of the circlip can be limited, so that it is not easy to be detached from the guide groove, so that the circlip is engaged with the guide groove from one side, and the smooth running and reliable performance can also be achieved. Effect.
  • Embodiment 4 of the present invention is different from Embodiment 3 in that the two-position control device 30'' is assembled in the opposite manner to that of Embodiment 3.
  • the circlip 32 and the sleeve 34 are provided. It is fixed on the bottom surface of the cover plate 10, and the lifting column 33 is fixed on the base body 20, and the opening of the guide groove faces upward.
  • each of the pins has a separate switch, that is, two switches 40' are provided, which are respectively electrically connected to the two clamping heads 21.
  • the movable contact 41 ′ is disposed on the cover or the seat body, and the plate-shaped movable piece 412 is provided with the connection electrode 411 and the contact rod 413 , and the free end of the contact rod 413 is from the cover.
  • the aperture 14 in the panel 10 is threaded out and protrudes from a portion of the cover, the aperture 14 being adjacent to the receptacle 11.
  • a projection 42' is disposed at a projection position of the movable contact 41', and is fixed to the base 20, and a connection electrode 421 is also disposed on the plate-shaped fixing piece 422 of the stationary contact 42'.
  • connection electrodes 411 of the two movable contacts 41' are respectively connected to an external power source, and the connection electrodes 421 of the two stationary contacts 42' are electrically connected to the two clamping heads 21, respectively.
  • a spring 43 is disposed between the movable contact 41' and the fixed contact 42', so that the two movable and static contacts are in a normally open state, that is, a power-off state.
  • the movable piece 412, the contact rod 413, the spring 43, and the fixed piece 422 are all made of an insulating material.
  • the switch is set to two, and each of the two clamping heads is electrically connected to an external power source, and each of the pins has an independent switch structure, which is equivalent to the double safety protection in the first embodiment.
  • a plus protection that is, triple security protection.
  • the protective layer is increased by one layer, the complexity of the structure is not significantly increased, and the convenience of use is also the same as that of the foregoing embodiment.
  • FIG. 13-14 it is a sixth embodiment of the present invention, which is different from the fifth embodiment in that the switch 40' realizes a power-off and conduction function by means of an elastic piece.
  • the movable contact 41' is composed of a zigzag elastic piece 414 and a contact bar 413.
  • One end of the elastic piece 414 is fixed on the base body 20, and the free end thereof is provided with a connecting electrode 411 and a contact rod 413, and the end of the contact rod 413
  • a hole 15 is formed in the cover plate 10, and the hole 15 is adjacent to the insertion hole 11.
  • the projection position of the free end of the elastic piece 414 is provided with a static contact 42', and the static contact 42' is also fixed to the base 20, and the connection electrode 421 is disposed thereon.
  • the elastic piece 414 and the contact rod 413 are made of insulating material. to make.
  • connection electrodes 411 of the two movable contacts 41' are respectively connected to an external power source, and the connection electrodes 421 of the two stationary contacts 42' are electrically connected to the two clamping heads 21, respectively.
  • a distance is provided between the movable contact 41' and the fixed contact 42', and the elastic piece 414 causes the two movable and static contacts to be in a normally open state, that is, a power-off state.
  • the structure of the elastic piece can fix the movable contact and the static contact on the base body, so that the assembly is convenient, the spring component can be reduced, and the manufacturing cost can be reduced.
  • This embodiment is another embodiment in which two switches are provided in Embodiment 5. It can be explained by Embodiments 5 and 6.
  • the switch of the plate type or the elastic piece is simple and easy to implement, and the embodiment and the position setting are both Depending on the internal structure of the socket, it can be placed side by side with the clamping head or offset from the clamping head, and the effects of the foregoing embodiments can be achieved.

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Description

一种插座 技术领域
本发明涉及一种插座，特别是涉及一种在非使用状态下断电的插座。
背景技术
目前，插座一般包括座体，座体具有一定的容腔，其上盖有盖板，并形成容纳空间，座体内设有二个或者三个弹性夹持头，各夹持头分别与电源的正极、负极及地线连接；盖板可拆卸地盖设于该座体上，盖板上对应各夹持头的位置开设有二个或者三个插孔，当两脚或三脚插头经各插孔插入座体内时，插头的各插脚分别与各夹持头接触，从而接通用电器电源。
这种插座的不足之处在于，插座内的夹持头持续有电，对于使用者来说存在安全隐患，为了安全考虑，一般需要把插头从插座上拨下方可断开电源。针对这种情况，在插座上另设置按钮开关，但是又带来了使用上的不便，使用前需先按下按钮，使用后还需再次按动按钮，而且这种开关的设置，对于儿童或智障人员等这类特殊情况，也仍然存在着不安全因素。
基于以上考虑，本申请人申请名称为'一种新型插座'，申请号为200820103100.7的实用新型，该新型插座包括座体、盖板、两个夹持头、复数个压缩弹簧、固定片、活动片及双位控制装置，所述两个夹持头设于座体内，固定片设于座体内，所述活动片可弹性移动地设于盖板底面或座体上对应固定片的位置，活动片设有正负连接电极，各连接电极分别与电源电连接，固定片上设有与活动片上的连接电极相对应的正负连接电极，且固定片上各连接电极分别与夹持头电连接，所述盖板通过各压缩弹簧可弹性移动地设于座体上，所述双位控制装置设于盖板底面与座体之间用于实现活动片与固定片之间两对连接电极导通与断开。其中，所述双位控制装置包括一升降板及卡簧，所述升降板及卡簧分别设于盖板及座体上，所述升降板上设有心型升降导槽，沿升降导槽一个方向延伸，所述升降导槽位于各相邻转角之间的深度呈递增或递减设置，且升降导槽的各转角部分的深度跃变形成台阶，所述卡簧的自由端卡设于升降导槽内。
这种新型插座利用双位控制装置来实现插座与电源的导通、断开，虽然使用便利，但是仍存在如下问题：
1、其中的心型导槽占用空间较大，给插座的内部设计、外观尺寸带来不利的影响。
2、使用时，只要盖板下压就可带动活动片上的连接电极与固定片上的连接电极相接触，从而接通插座电源，安全性能仍有待提高。
发明内容
有鉴于此，本发明的目的在于提供一种节省插座内部空间且安全性能较高的插座。
为了达成上述目的，本发明的解决方案是：
一种插座，包括座体、盖板、两个夹持头、绝缘的固定片、绝缘的活动片及双位控制装置；所述两个夹持头设于座体内，所述盖板上对应夹持头设有插孔；所述固定片设于座体内，所述活动片可弹性移动地设于盖板底面或座体上对应固定片的位置，活动片设有正负连接电极，各连接电极分别与电源电连接，固定片上设有与活动片上的连接电极相对应的正负连接电极，且固定片上各连接电极分别与夹持头电连接；所述盖板可弹性移动地设于座体上，所述双位控制装置设于盖板与座体之间，其中：所述活动片上设有绝缘的触杆，该触杆穿设于所述盖板上邻近所述插孔处开的孔，该触杆端部露出或不露出所述盖板；所述双位控制装置设有半心型导槽，该半心型导槽具有外圈导槽和内圈导槽，所述外圈导槽和内圈导槽形成单向循环导槽，且开口朝向所述卡簧设置；所述卡簧的自由端卡设于该半心型导槽内；所述外圈导槽和内圈导槽上分别设有卡住所述卡簧的自由端而使所述活动片上的连接电极和所述固定片上的连接电极处于接通或断开状态的定位台阶，所述外圈导槽和内圈导槽上分别设有防止卡簧逆向滑行的导向台阶。
所述定位台阶由所述外圈导槽和内圈导槽的连接处的深度跃变而形成；所述导向台阶分别对应设于所述外圈导槽和所述内圈导槽的拐点处。
所述导槽设于升降板的两面，该升降板固设于所述盖板或座体上，所述卡簧对应固设于所述座体或盖板上，所述卡簧的自由端分别对应卡设于升降板两面的所述半心型导槽内。
所述导槽设于升降柱的弦断面上，该升降柱固设于所述盖板或座体上，所述座体或盖板上对应设有套管和所述卡簧，该升降柱滑动于该套管内。
所述固定片和活动片对应设有一个连接电极，每个固定片的连接电极对应电连接每个夹持头，每个活动片的连接电极对应电连接电源。
所述活动片与所述固定片之间设有绝缘弹簧。
所述活动片为弹性片，一端固设于所述座体上，自由端可弹性移动地对应固定片设置、并设有所述触杆和所述连接电极。
所述盖板和座体之间对应设有两个以上的、且能配合所述卡簧和升降板的动作使插头的插脚从所述夹持头中脱离的弹簧和导柱。
所述弹簧设于所述盖板或座体上，所述导柱分别对应设于所述座体或盖板上，所述弹簧分别套对应设于所述导柱上。
所述座体上设有地线夹持头。
采用上述结构后，本发明插座具有以下有益效果：
一、在盖板上设置半心型导槽，在座体上对应设置卡簧，在盖板和座体之间设置相互配合的弹簧和导柱，插座上各夹持头通电与否取决于活动片相对于固定片的位置关系，而活动片的位移受盖板的控制，因此当把插头插入插座的过程中，使盖板相对于座体下移，该下移过程一方面使活动片与固定片上的两对连接电极接通使各夹持头导通，同时使插头上各插脚与对应的夹持头接通。反之可以再按一下盖板使插头的插脚从夹持头上脱离使插头断电，同时活动片与固定片上的电极断开实现夹持头断电。这样无需用力拔出插头，避免外拉力使插座从固定墙上松脱，还可实现插座导电、断电功能，使用便利，而且半心型导槽的结构紧凑，大大节省插座内部的占用空间；
二、同时还设置触杆、设于活动片上与电源电连接的连接电极、设于固定片上与夹持头电连接的连接电极，当插头插入插座时，插头下压盖板并抵压触杆后，使活动片和固定片上的连接电极相接触，插头与外部电源形成电连接；这种双重安全性的保障，只有在同时压下盖板和触杆时插头才会接通电源，极大地提升了插座的安全性能，例如，儿童不慎误按盖板或触动触杆并不会使插座导电，因此，还增加插座的适用范围，可根据用电位置来安装插座，也不会因使用者的不便而受到局限，对于视力不便者免除了频繁插入拔下的不便，且安全可靠；
三、在正常状态下，触杆并未突出于盖板外，只有在下压盖板后才能抵压触杆，这种开关设置极大地提高了安全保障；
四、通过多头触杆来实现插座导通、断电的功能，其安全性提高的同时，结构的复杂性并未额外增加；
五、外圈导槽、内圈导槽分别设有导向台阶、定位台阶，使卡簧滑行顺畅、定位可靠，这样插座的导电、断电性能更加可靠；
六、采用升降板与卡簧配合的结构，卡簧从升降板的正反两面卡合于半心型导槽，或者采用升降柱与套管配合的结构，卡簧从一侧卡合于导槽，这样在运动过程中，卡簧始终卡合于导槽，不易脱轨。
附图说明
图1为本发明插座实施例1正常状态的外观示意图；
图2为本发明插座实施例1正常状态的立体示意图；
图3为本发明插座实施例1下压状态的立体示意图；
图4为本发明插座实施例1插头插入状态的立体示意图；
图5为升降板的立体示意图；
图6为本发明插座实施例2正常状态的立体示意图；
图7为本发明插座实施例2下压状态的立体示意图；
图8为本发明插座实施例2插头插入状态的立体示意图；
图9为本发明插座实施例3正常状态的立体示意图；
图10为本发明插座实施例3下压状态下的立体示意图；
图11为本发明插座实施例3插头插入状态的立体示意图；
图12为本发明插座实施例5插头插入状态的立体示意图；
图13为本发明插座实施例6下压状态的立体示意图；
图14为本发明插座实施例6插头插入状态的立体示意图。
图中：
盖板10插孔11
导柱12孔13
孔14孔15
座体20夹持头21
弹簧22双位控制装置30
双位控制装置30'双位控制装置30'
双位控制装置30''升降板31
外圈导槽311内圈导槽312
导向台阶313定位台阶314
卡簧32升降柱33
套管34弦断面35
开关40开关40'
开关40'动触头41
动触头41'连接电极411
活动片412触杆413
弹性片414静触头42
静触头42'连接电极421
固定片422弹簧43
插头50
具体实施方式
实施例一
如图1-5所示，本发明插座主要由盖板10、座体20等组成，盖板10扣合于座体20上形成容纳空间，在该容纳空间内设有双位控制装置30、开关40等组件。座体20的上表面设有与盖板10相适配的开口，盖板10穿过该开口并突出于座体20的上表面设置，盖板10上设有三个插孔11，座体20内部对应每个插孔11分别设置一个夹持头21，两个夹持头电连接构成插座的正负极，另外一个夹持头则与地线连接。为了进一步解释本发明的技术方案，下面以二头插座为例进行说明，以下具体实施例同样适用于多头插座。
座体20内设置两个夹持头21，在盖板10上对应夹持头21设有两个插孔11，并朝向座体20设有凸台，这样对插头的插脚起着导向的作用；盖板10的四个角部设有导柱12，座体20内设有一个凸台，该凸台上固定有弹簧22，导柱12穿设其中。当然导柱和弹簧的位置可以互换，即盖板上设置弹簧、座体上设置导柱；导柱和弹簧的数量也可根据座体与盖板的形状、空间设定为两个以上。
双位控制装置30由升降板31和卡簧32组成。升降板31固定于盖板11上，如图4所示，升降板31具有一定的厚度，两面均设有开口朝下的半心型导槽，该半心型导槽由外圈导槽311和内圈导槽312构成单向循环导槽。外圈导槽311在内壁拐点处、外壁拐点前之间设有导向台阶313，防止卡簧逆向滑行，使其只能沿外圈导槽单向滑行；内圈导槽312在内壁拐点处、越过外壁拐点之间同样设有导向台阶313。外圈导槽311和内圈导槽312连接处的深度跃变形成定位台阶313，使卡簧分别定位于外圈导槽、内圈导槽的起点。
再看图2，卡簧32固定于座体20上，卡簧32的自由端可在导槽内沿单一方向作循环运动，即卡簧从外圈导槽的起点沿导槽滑行、越过导向台阶313后，可卡合于定位台阶314处，从内圈导槽越过导向台阶313后，可卡合于定位台阶314处。卡簧32从正反两面对应夹持于升降板31的导槽中，这样卡簧在导槽中滑行更加可靠、流畅，而且不易脱轨。
开关40由动触头41、静触头42、弹簧43组成，主要是使夹持头21导通、断开外部电源。动触头41设于盖板或座体上，其板状的活动片412上设有两个连接电极411，活动片412上还设有触杆413，触杆413的自由端从盖板10上的孔13穿出并突出于盖板一部分，孔13邻近插孔11设置。在动触头41的投影位置设有静触头42，其固定于座体20上，静触头42的板状固定片422上也设有两个连接电极421。动触头41的两个连接电极411连接外部电源，静触头42的两个连接电极421分别与两个夹持头21电连接。动触头41与静触头42之间设有弹簧43，使动、静触头处于常开状态，即断电状态。其中，活动片412、触杆413、弹簧43、固定片422均由绝缘材料制成。
如图3所示，只下压盖板10，则弹簧22被压缩，卡簧32从外圈导槽311的起点滑行、并被卡合于定位台阶313处。但此时动、静触头仍未接触，也就是说插座还处于常开状态。
如图4所示，当插入插头50并下压盖板10时，插头50的插脚从插孔11插入夹持头21，插头50的端面抵压突出于盖板10的触杆413，使动触头41向下移动并与静触头42形成电连接，这样开关40闭合，插座导通外部电源，并与插头50形成电连接。不用时，再稍稍下压盖板10，卡簧32沿内圈导槽312返回至初始位置，盖板10在四个角部弹簧22的作用下上升，动触头41在弹簧43的作用下也向上移动、与静触头42分离，插头50的各插脚从夹持头21中脱离，实现插头断电。
本发明插座从功能上来看，通过双位控制装置使盖板保持下降位置，相比于其他的断电、导通装置而言，由升降板与双侧卡簧的可靠性高，特别是这种由卡簧滑行于半心型导槽内、弹簧使盖板上升复位的结构简单，也正因如此，才不易出现故障，极大地提高插座导通、断电的可靠性。
而且这种半心型的升降导槽还易于加工、实施，成本低廉；同时半心型的循环导槽在结构上更加紧凑，节省占用空间，这样可根据插座座体内部复杂、多样的结构来调整、设计双位控制装置的位置。双位控制装置这种易于实施的方式所带来的功能、结构上的优点，对于插座目前趋于人性化设计的发展趋势来说，双位控制装置所达到的效果就更为突出。
从安全性及使用的角度来看，插座在正常状态下是常开状态，不带电的，通过一次下压盖板、抵压开关即能实现插座导通、断电功能。插座的这种断电、导通的保护性结构，首先，因插头的插脚已从夹持头中脱出，使用者不必用力即可将不带电的插头轻松取出，这样避免插座因外力而从墙体上松脱，使用者也就不必频繁更换插头、插座；其次，只须插入插头、下压插座盖板，即可实现导通、断电功能，这种双重安全性的保障仅通过连贯性的动作来完成，对于使用者而言既方便、又安全；再次，插座在正常状态下是与外部电源断开的，幼儿仅仅按压盖板或触动开关，也不会使插座与外部电源导通，正因为这一突出的优势，本发明插座的安装、使用范围也就非常广泛，不会因使用者的不同而受到诸多限制，例如可根据使用情形来选择安装位置，对于视力不良者来说使用起来也不会产生不适感。
特别是，在正常状态下开关触杆的自由端未突出于盖板，这种插座的安全性也就更高一筹，因为开关并未外露，轻易无法启动开关，如果仅按压盖板也不会使插座与外部电源导通。具体而言，再看图3，盖板10上邻近插孔11开设孔13，并朝向座体设置导筒，触杆413穿设其中。插座在正常状态下，触杆413的端部不露出盖板10，盖板10下降，触杆413在导筒中滑动、从孔13中穿出。使用时，插头50的插脚从插孔11插入夹持头21，下压盖板10，触杆413抵接于插头50的端面，使动触头41向下移动并与静触头42形成电连接，这样开关40闭合，插座导通外部电源，并与插头50形成电连接。不用时，再稍稍下压盖板10，卡簧32沿内圈导槽312返回至初始位置，盖板10在四个角部弹簧22的作用下上升，动触头41在弹簧43的作用下也向上移动、与静触头42分离，插头50的各插脚从夹持头21中脱离，实现插头断电。
实施例二
如图6-8所示，是本发明的实施例2，与实施例1相比，不同之处在于，双位控制装置30'的装配方式与实施例1的设置相反，本实施例中是将卡簧32固设于盖板10的底面，而升降板31则固设于座体20上，且半心型导槽的开口朝上。
实施例三
如图9-11所示，是本发明的实施例3，与实施例1相比，不同之处在于双位控制装置30'为导柱与套管配合的方式。
双位控制装置30'由升降柱33、套管34、卡簧32组成。升降柱33固设于盖板10上，其弦断面35上设有呈半心型导槽，如图4所示，外圈导槽311、内圈导槽312均设有导向台阶313、定位台阶314，而套管34对应导柱33固定于座体20上。
下压盖板10，升降柱33在套管34内向下移动，卡簧32在循环导槽内沿单一方向滑行。因为导柱与套管的配合稳定，还可以限定卡簧的活动空间，使其不易于从导槽中脱出，所以卡簧从一侧卡合于导槽，也能同样达到滑行顺畅、性能可靠的效果。
实施例四
本发明的实施例4，与实施例3相比，不同之处在于，双位控制装置30''的装配方式与实施例3的设置相反，本实施例中是将卡簧32、套管34固设于盖板10的底面上，而升降柱33则固设于座体20上，且导槽的开口朝上。
实施例五
如图12所示，是本发明的实施例5，与实施例1相比，不同之处在于开关40'。本实施例中是每个插脚具有一个独立开关，也就是说，设置两个开关40'，分别与两个夹持头21形成电连接。
具体而言，如图14所示，动触头41'设于盖板或座体上，其板状的活动片412上设有连接电极411和触杆413，触杆413的自由端从盖板10上的孔14穿出并突出于盖板一部分，孔14邻近于插孔11。在动触头41'的投影位置设有静触头42'，其固定于座体20上，静触头42'的板状固定片422上也设有连接电极421。两个动触头41'的连接电极411分别连接外部电源，两个静触头42'的连接电极421分别电连接两个夹持头21。动触头41'与静触头42'之间设有弹簧43，使两个动、静触头处于常开状态，即断电状态。其中，活动片412、触杆413、弹簧43、固定片422均为绝缘材料制成。
只下压盖板10，则弹簧22被压缩，卡簧32沿外圈导槽311从初始位置沿一个方向滑行，并被定位于外圈导槽311的定位台阶313。但此时动、静触头仍未接触，也就是说插座还处于常开状态。
当插入插头50并下压盖板10时，插头50的插脚从插孔11插入夹持头21，插头50的端面挤压突出于盖板10的两个触杆413，使动触头41'向下移动、与静触头42'形成电连接，这样开关40'闭合，插座导通外部电源，并与插头50形成电连接。
本实施例是将开关设置为两个，分别控制两头插座的每个夹持头与外部电源的电连接，这种每个插脚具有独立开关的结构，相当于在实施例1的双重安全性保护之外又加一重保护，即三重安全保护。虽然保护性又增加一层，但是其结构的复杂性并未显著增加，其使用的便捷性也与前述实施例效果相同。
实施例六
如图13-14所示，是本发明的实施例6，与实施例5相比，不同之处在于，开关40'是通过弹性片的方式来实现断电、导通功能。
具体而言，动触头41'由Z字型弹性片414和触杆413组成，弹性片414一端固定在座体20上，其自由端设有连接电极411和触杆413，触杆413端部伸出盖板10上的孔15，孔15邻近插孔11。弹性片414自由端的投影位置设有静触头42'，静触头42'也固定于座体20上，其上设有连接电极421；其中，弹性片414、触杆413均为绝缘材料制成。两个动触头41'的连接电极411分别连接外部电源，两个静触头42'的连接电极421分别电连接两个夹持头21。动触头41'与静触头42'之间设有距离，且弹性片414使两个动、静触头处于常开状态，即断电状态。
只下压盖板10，则弹簧22被压缩，卡簧32从初始位置开始沿外圈导槽311滑行，并被定位于外圈导槽311上的定位台阶313。但此时动、静触头仍未接触，也就是说插座还处于常开状态。
当插入插头50并下压盖板10时，插头50的插脚由插孔11插入夹持头21，插头50的端面抵压突出于盖板10的两个触杆413，使动触头41'向下移动并与静触头42'形成电连接，这样，开关40'闭合，插座导通外部电源，并与插头50形成电连接。
本实施例中弹性片的结构可以将动触头、静触头均固设于座体上，这样组装起来方便，还可减少弹簧部件，降低制造成本。
本实施例是实施例5中设置两个开关的另一种实施方式，通过实施例5、6可以说明，不论是板式还是弹性片的开关，其结构简单易行，实施方式和位置设定都可以根据插座的内部结构而定，既可与夹持头并排、也可与夹持头错开放置，均可达到前述实施例的效果。
上述实施例和附图并非限定本发明的产品形态和式样，任何所属技术领域的普通技术人员对其所做的适当变化或修饰，皆应视为不脱离本发明的专利范畴。

Claims (10)

1、一种插座，包括座体、盖板、两个夹持头、绝缘的固定片、绝缘的活动片及双位控制装置；所述两个夹持头设于座体内，所述盖板上对应夹持头设有插孔；所述固定片设于座体内，所述活动片可弹性移动地设于盖板底面或座体上对应固定片的位置，活动片设有正负连接电极，各连接电极分别与电源电连接，固定片上设有与活动片上的连接电极相对应的正负连接电极，且固定片上各连接电极分别与夹持头电连接；所述盖板可弹性移动地设于座体上，所述双位控制装置设于盖板与座体之间，其特征在于：
所述活动片上设有绝缘的触杆，该触杆穿设于所述盖板上邻近所述插孔处开的孔，该触杆端部露出或不露出所述盖板；所述双位控制装置设有半心型导槽，该半心型导槽具有外圈导槽和内圈导槽，所述外圈导槽和内圈导槽形成单向循环导槽，且开口朝向所述卡簧设置；所述卡簧的自由端卡设于该半心型导槽内；所述外圈导槽和内圈导槽上分别设有卡住所述卡簧的自由端而使所述活动片上的连接电极和所述固定片上的连接电极处于接通或断开状态的定位台阶，所述外圈导槽和内圈导槽上分别设有防止卡簧逆向滑行的导向台阶。
2、如权利要求1所述的一种插座，其特征在于：所述定位台阶由所述外圈导槽和内圈导槽的连接处的深度跃变而形成；所述导向台阶分别对应设于所述外圈导槽和所述内圈导槽的拐点处。
3、如权利要求2所述的一种插座，其特征在于：所述导槽设于升降板的两面，该升降板固设于所述盖板或座体上，所述卡簧对应固设于所述座体或盖板上，所述卡簧的自由端分别对应卡设于升降板两面的所述半心型导槽内。
4、如权利要求2所述的一种插座，其特征在于：所述导槽设于升降柱的弦断面上，该升降柱固设于所述盖板或座体上，所述座体或盖板上对应设有套管和所述卡簧，该升降柱滑动于该套管内。
5、如权利要求1所述的一种插座，其特征在于：所述固定片和活动片对应设有一个连接电极，每个固定片的连接电极对应电连接每个夹持头，每个活动片的连接电极对应电连接电源。
6、如权利要求1或5所述的一种插座，其特征在于：所述活动片与所述固定片之间设有绝缘弹簧。
7、如权利要求5所述的一种插座，其特征在于：所述活动片为弹性片，一端固设于所述座体上，自由端可弹性移动地对应固定片设置、并设有所述触杆和所述连接电极。
8、如权利要求3所述的一种插座，其特征在于：所述盖板和座体之间对应设有两个以上的、且能配合所述卡簧和升降板的动作使插头的插脚从所述夹持头中脱离的弹簧和导柱。
9、如权利要求8所述的一种插座，其特征在于：所述弹簧设于所述盖板或座体上，所述导柱分别对应设于所述座体或盖板上，所述弹簧分别套对应设于所述导柱上。
10、如权利要求9所述的一种插座，其特征在于：所述座体上设有地线夹持头。
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