CN201075448Y

CN201075448Y - Socket protection door structure

Info

Publication number: CN201075448Y
Application number: CNU200720122183XU
Authority: CN
Inventors: 黄子成
Original assignee: SONGGANG YISHENG PRODUCT MANUFACTORY BAO'AN DISTRICT SHENGZHEN
Current assignee: SONGGANG YISHENG PRODUCT MANUFACTORY BAO'AN DISTRICT SHENGZHEN
Priority date: 2007-08-17
Filing date: 2007-08-17
Publication date: 2008-06-18
Anticipated expiration: 2017-08-17

Abstract

The utility model relates to a structure of a socket protective door, which comprises a socket panel (10). A spring and two protective doors (20) are arranged on inner side of the socket panel; and each protective door (20) consists of a rotor shaft (21) united with a stemming block (22). The two stemming blocks (22) correspondingly block off the two jacks of the socket panel (10) and can be pressed off by a plug terminal. A bracket (30) is arranged in the interior (13) of the socket panel (10), and at least either the bracket (30) or the socket panel (10) is provided with a circular-arc groove. The two ends of the rotor shaft (21) of the protective door can be rotationally arranged in the groove. A spring bearing (32) is arranged in the middle of the bracket (30). The spring is a spiral spring (40) which is traversed and arranged on the spring bearing (32). Two feet (41) of the spring are connected with the protective door (20) at the both sides. The utility model adopts the connection between the spring and two protective doors so as to realize the stemming, opening and resetting of the protective door, and has simple structure and low cost.

Description

A kind of socket protective door

Technical field

The utility model relates to a kind of socket protective door, particularly relates to a kind of socket protective door that is provided with spring and shutter in the socket panel inboard.

Background technology

Country's electrical standard regulation, setting height(from bottom) should adopt the safety socket of shutter setting at the socket below 1.8 meters.The general indoor socket lower edge that average family uses is the 300mm position overhead, so all the shutter setting should be arranged.Shutter mainly prevents external metallization or the unexpected electric leakage accident that causes of inserting of other conductor; children often entertain very strong curiosity to nouveaut; to indoor socket within reach; may disclose jack with finger or other hard things; there is shutter can largely reduce dangerous the generation, is even more important so shutter seems to children's protection.However, yet socket major part in the market is not to be with shutter, though this socket is simple, price is also relatively cheap, and the electric shock phenomenon takes place easily, and the people's lives and property, especially children's safety are constituted a threat to.People have invented various shutter structures; comprising the shutter that is provided with the shutoff jack in the socket panel inboard; this shutter and back-moving spring link together; under general state; the shutter shutoff is in the jack inboard; staff can not touch the electric contact in the plate; when plug terminal inserts jack and firmly " squeezes and open " shutter; plug terminal just can touch electric contact and switch on; when plug terminal is extracted, shutter is returned to the state of shutoff jack once more under the restoring force effect of back-moving spring, and many shutters are to utilize two springs could realize the shutoff of two shutters and reset; more complicated on the structure, manufacturing cost are higher relatively.

Summary of the invention

The technical problems to be solved in the utility model provides a kind ofly only utilizes a spring just can realize two shutter shutoff jacks and that reset, simple in structure, lower-cost socket protective door.

For addressing the above problem; the utility model provides a kind of socket protective door; comprise socket panel; the spring of socket panel inboard and shutter; it is characterized in that; described shutter is two; each shutter comprises rotating shaft and the plugging block that connects as one; described two plugging block can be backed down corresponding two jacks that are plugged in socket panel in ground by plug terminal; one inboard that is placed on this socket panel; this support or socket panel one of them is provided with circular groove at least; the two ends of described shutter rotating shaft are rotatable to be placed in this circular groove, and this mid-stent is provided with a spring stack, and described spring is a helical spring; be arranged on the described spring stack, its bipod is connected with the shutter of both sides.

Described two shutter opposite sides are respectively equipped with a connecting portion, and connecting portion is provided with connecting hole, and described rotating spring bipod is arranged in the above-mentioned connecting hole.

Described two shutter opposite sides are respectively equipped with a connection boss, and a described rotating spring wherein pin is stuck in the top of a connection boss, and another pin is stuck in another below that connects boss.

Described support is the framework of a ccontaining described shutter; the frame wall is contained in first groove of socket panel inboard; middle part, support two ends is provided with protuberance; described protuberance is set up in second groove of socket panel inboard; and one of them protuberance is part protrusion in frame also, and described spring stack is provided thereon.

The described circular groove that holds the shutter rotating shaft is arranged at a side relative with socket panel on the described support.

Described two shutter opposite sides are respectively equipped with a joint pin, and described rotating spring bipod is set around described joint pin.

Described support is I-shaped, and its two ends contact on the step of described socket panel inboard and are placed in the 3rd groove, and described two shutters are positioned at this I-shaped body both sides.

The described circular groove that holds the shutter rotating shaft is arranged at the two ends of described step.

Described plugging block is provided with boss with a slope.

Described support and socket panel opposite side are equipped with circular groove, and this two circular groove synthesizes a hole, and the two ends of described shutter rotating shaft are rotatable to be placed in this hole.

Socket protective door of the present utility model owing to adopt a helical spring to be connected with two shutters, feasible by this spring just can realize shutter shutoff, open and reset, simple in structure, cost is low.In further technical scheme, the utility model adopts 3 kinds of different modes to connect spring and shutter, and support also can adopt two kinds of different modes, and is simple in structure, realizes easily; Boss with a slope is set on shutter, makes and push shutter when plug normally inserts easily open.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:

Fig. 1 is the inboard shutter structure chart of embodiment 1 socket panel.

Fig. 2 is the stereogram after the shutter structure of embodiment 1 is removed socket panel.

Fig. 3 is the socket panel isometric front view of embodiment 1.

Fig. 4 is the shutter structure member exploded perspective view of embodiment 1.

Fig. 5 is the stereogram that the socket and plug of the shutter structure of band embodiment 1 plugs together.

Fig. 6 is the inboard shutter structure chart of the socket panel of embodiment 2.

Fig. 7 is the structure chart that the shutter of embodiment 2 is connected with spring.

Fig. 8 is the exploded view of embodiment 2 shutter structures.

Fig. 9 is the inboard shutter structure chart of the socket panel of embodiment 3.

Figure 10 is the stereogram after the shutter structure of embodiment 3 is removed socket panel.

Figure 11 is the socket panel isometric front view of embodiment 3.

Figure 12 is the parts exploded perspective view of embodiment 3.

Embodiment

Embodiment 1

Shown in Fig. 1～5 embodiment 1 of the present utility model.The socket protective door comprises socket panel 10; socket panel is provided with two jacks 12; the outside 11 of this jack break-through socket panel and inboard 13; as shown in Figure 3; the outside 11 is meant the front of inserting for plug under the socket user mode; as Fig. 1, Fig. 4, shown in Figure 5, inboard 13 are meant the installed surface of socket.As shown in Figure 4, described inboard is provided with first groove 14, wherein the middle part on both sides also further is provided with second groove 15, as Fig. 1, Fig. 4, shown in Figure 5, support 30 is ccontaining just and can be stable in the inboard 13 above-mentioned grooves of described socket panel, and promptly this support 30 is the framework of a nearly rectangle, and the frame wall 33 of this framework is contained in first groove 14 of socket panel inboard 13, middle part, support two ends is respectively equipped with protuberance 34, and described protuberance is set up in second groove 15.

As Fig. 1; Fig. 4; shown in Figure 5; be provided with two shutters 20 between socket panel inboard 13 and the support 30; the inboard 13 of the adjacent socket panel of shutter; each shutter 20 is by the rotating shaft 21 that connects as one; plugging block 22 and connecting portion 23 are formed; described connecting portion 23 is located at the opposite side middle part of two shutters 20 respectively; each connecting portion 23 is provided with connecting hole 231; a side relative with socket panel is provided with two pairs of circular grooves 31 on the frame wall 33 of support 30; this circular groove 31 is greater than shutter rotating shaft 21; the two ends of described two shutter rotating shafts 21 are contained in respectively in a pair of this circular groove 31, and can rotate in this groove.Two shutters are corresponding with jack is symmetric arrangement, and described two plugging block 22 are connected rotating shaft 21 middle parts, corresponding being plugged in two jacks 12 of socket panel 10, and this two plugging block 22 respectively is positioned at the frame of support, can not blocked by frame wall 33.

One of them protuberance 34 also partly protrudes in frame on the support 30, a spring stack 32 is set at the position of this protrusion, be with a helical spring 40 on this spring stack 32, this helical spring one pin card snaps in from a connecting hole top, and another pin 41 snaps in from another connecting hole 231 belows.

This shutter structure is to realize like this when installing; see also Fig. 4; at first two shutters 20 are connected with spring 40; then spring 40 is inserted in the spring stack 32 of support; and the rotating shaft 21 of shutter placed circular groove 31; obtain structure as shown in Figure 2, then support is buckled into the

groove

14,15 of socket panel 10 together with shutter and spring.When this shutter structure applications in plate, then the whole protecting door is put into plate.

When plug terminal does not insert socket; plugging block 22 shutoff are in jack 12 inboards; form safeguard protection, when terminal 51 11 insertion jacks 12 outside socket panel of plug 50, as shown in Figure 5; terminal 51 promotes plugging block 22; make this plugging block 22 rotate, leave jack 12 along with the rotation of rotating shaft 21, terminal successfully touches electric contact and switches on, when plug terminal pulls away jack; because the effect of the restoring force of rotating spring 40, with plugging block pop into position shutoff again at jack 12.

Embodiment 2

The shutter structure of present embodiment still is made of socket panel 10, shutter 20, support 30 and helical spring 40; mainly be shutter 20 and the syndeton of spring 40, structure and the support and the socket panel syndeton of support with the difference of embodiment 1, set forth with regard to difference below.

Among this embodiment 2, described two shutter 20 opposite sides middle part is respectively equipped with a joint pin 25, and described rotating spring bipod 41 is on described joint pin 25.

In described socket panel inboard 13 are big grooves, two ends are inwardly stretched out 2 retaining rank 18 respectively from its cell wall therein, the retaining rank are corresponding in twos, form the 3rd groove 16 therebetween, are respectively equipped with a step 17 that exceeds the bottom surface near two ends cell wall part in this groove; Described support 30 is I-shaped; its two ends are shelved on the step 17; entire bracket is placed in above-mentioned the 3rd groove 16; the two ends of described two steps 17 are respectively equipped with circular groove 14; this groove is greater than shutter rotating shaft 21; rotating shaft 21 two ends are contained in this circular groove, and can be in wherein rotating, and such two shutters 20 are between these I-shaped support both sides, support and socket panel.

The difference of this embodiment and embodiment 1 also is to be respectively equipped with on two plugging block 22 boss 221 with a slope, when plug terminal inserts, touches this boss, because the reason of the gradient makes the easier plugging block of pushing open when terminal normally inserts.

Embodiment 3

The shutter structure of present embodiment still is made of socket panel 10, shutter 20, support 30 and helical spring 40; the syndeton of support and socket panel is also with embodiment 1; mainly be the syndeton of shutter 20 and spring 40 with the difference of embodiment 1, set forth with regard to difference below.

Among this embodiment 3; described two shutter 20 opposite sides middle part is respectively equipped with a connection boss 24; described rotating spring 40 a wherein pin is stuck in the top of a connection boss, and another pin is stuck in another below that connects boss, thereby realizes being connected of spring and both sides shutter.

In this embodiment, be respectively equipped with boss 221 with a slope on two plugging block 22, make when terminal normally inserts the easier plugging block of pushing open.

In addition; in the shutter structure of the present utility model; the circular groove that holds shutter rotating shaft 21 can also be arranged on support 30 and socket panel 10 opposite sides simultaneously; (not shown;) like this; this two

circular groove

31,14 lumps together and forms a hole, and the two ends of described shutter rotating shaft 21 are rotatable to be placed in this hole.

Shutter structure of the present utility model not only goes for the two-stage socket, can also be applicable to three grades of sockets, and wherein live wire and zero line two-stage are carried out the shutoff protection.

Claims

1. socket protective door; comprise socket panel (10); the spring of socket panel inboard and shutter (20); it is characterized in that; described shutter is two; each shutter (20) comprises rotating shaft (21) and the plugging block (22) that connects as one; described two plugging block (22) can be backed down two jacks (12) that the ground correspondence is plugged in socket panel (10) by plug terminal; a support (30) places the inboard (13) of this socket panel (10); this support (30) or socket panel (10) one of them is provided with circular groove (31 at least; 14); the two ends of described shutter rotating shaft (21) are rotatable to be placed in this circular groove; this support (30) middle part is provided with a spring stack (32); described spring is a helical spring (40); be arranged on the described spring stack (32), its bipod (41) is connected with the shutter (20) of both sides.

2. socket protective door according to claim 1; it is characterized in that; described two shutters (20) opposite side is respectively equipped with a connecting portion (23), and connecting portion is provided with connecting hole (231), and described rotating spring bipod (41) is arranged in the above-mentioned connecting hole (231).

3. socket protective door according to claim 1; it is characterized in that; described two shutters (20) opposite side is respectively equipped with a connection boss (24); described rotating spring (a 40) wherein pin is stuck in the top of a connection boss, and another pin is stuck in another below that connects boss.

4. according to each described socket protective door of claim 1～3; it is characterized in that; described support (30) is a framework that holds described shutter (20); frame wall (33) is placed in first groove (14) of socket panel inboard (13); middle part, support two ends is provided with protuberance (34); described protuberance is set up in second groove (15) of socket panel inboard, and one of them protuberance also in frame part protrude, described spring stack (32) is provided thereon.

5. socket protective door according to claim 4 is characterized in that, the described circular groove (31) that holds the shutter rotating shaft is arranged at a side relative with socket panel (10) on the described support.

6. socket protective door according to claim 1 is characterized in that, described two shutters (20) opposite side is respectively equipped with a joint pin (25), and described rotating spring bipod is set around described joint pin.

7. according to claim 1 or 6 described socket protective doors; it is characterized in that; described support (30) is I-shaped, and its two ends contact at the step (17) of described socket panel inboard (13) and go up and be placed in the 3rd groove (16), and described two shutters (20) are positioned at this I-shaped body both sides.

8. socket protective door according to claim 7 is characterized in that, the described circular groove (14) that holds the shutter rotating shaft is arranged at the two ends of described step (17).

9. socket protective door according to claim 1 is characterized in that, described plugging block (22) is provided with boss with a slope (221).

10. according to each described socket protective door in the claim 1,2,3,6,9; it is characterized in that; described support (30) and socket panel (10) opposite side are equipped with circular groove (31; 14); this two circular groove synthesizes a hole, and the two ends of described shutter rotating shaft (21) are rotatable to be contained in this hole.