CN1259753C - Socket - Google Patents
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- CN1259753C CN1259753C CN 200410063424 CN200410063424A CN1259753C CN 1259753 C CN1259753 C CN 1259753C CN 200410063424 CN200410063424 CN 200410063424 CN 200410063424 A CN200410063424 A CN 200410063424A CN 1259753 C CN1259753 C CN 1259753C
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- pair
- voltage pole
- terminal
- earth electrode
- jack
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- 238000003780 insertion Methods 0.000 abstract description 6
- 230000037431 insertion Effects 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 210000003205 muscle Anatomy 0.000 description 31
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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Abstract
The wall socket is constituted of a body 1, a cover 2, a terminal receptacle part 31 of ground pole side, a terminal part 32 of ground pole side, a pair of terminal receptacles 41 of voltage pole side, a pair of terminal parts 42 of voltage pole side, a middle frame 5, a door 6 having closed parts 61, 62 and 62 integrally for closing terminal insertion holes 20a, 20b and 20b, respectively, and formed in a frame shape, a coiled spring 7, and a plurality of assembling frames 8. The closed parts 62, 62 are set to a size larger than the terminal insertion holes 20b, 20b to be closed, when the terminal insertion hole 20b is closed, a recess part 620 is provided, on a surface facing the terminal insertion hole 20b, and the recess part 620 is set to the same size as the terminal insertion hole 20b. To provide a wall socket which protects the interior with a door, without reinforcing the force for energizing the door in a closing direction, even if it is intended to wrench the door open with a test pin.
Description
Technical field
The present invention relates to embed the socket that uses in the wall.
Background technology
In the past, a variety of these type of sockets were occurring on the market or were proposing corresponding scheme.For example, in the patent documentation 1, a kind of following socket is disclosed, have: by the main body of the roughly box-shaped that forms by the size that can in normalized built-in box, install, with to form than the bigger size of this main body, and the body that constitutes of the lid that combines with main body from opening surface one side, be arranged on the front of lid, the socket mouth that constitutes by two terminal jacks (contact socket) of the different multiple plug terminal (contact) of inserted-shape, be arranged on the front of lid, the triple-pole type socket mouth that constitutes by three connector receptacle inserting three plug terminals comprising earth electrode respectively, be encased in internal body, and the portion of terminal that is connected with the electric wire that disposes on the built-in box, be inserted into internal body, contact conducting with the plug terminal that inserts from the terminal jacks of each socket mouth, and the terminal carrier that is electrically connected with portion of terminal (contact carrier).
And, this socket and then door with each terminal jacks of the inaccessible freely socket mouth of switching, thereby, by when not using, using the jack of inaccessible each terminal of door, do not expose each joint carrier.
Figure 11 is the outside drawing that has with other sockets of above same door.Wherein, (a) and (b) being expression closes the figure, (c) of the state of each connector receptacle and (d) is to represent each terminal jacks with door, open the figure of the state of door, and Figure 12 is front view (a), rearview (b), left side view (c), the underside view (d) that is used in the door of this socket, and cutaway view (e) (for example, patent documentation 2 etc.).
Shown in Figure 11,12, in these other sockets, has following structure.Promptly, in the back side of lid 2 side, one is being set is constituting the occlusive part 61 of an earth electrode side and the occlusive part 62 of a pair of voltage pole side, the door 6 of 62 frame shape, wherein occlusive part 61 and occlusive part 62,62 are used for inaccessible respectively be arranged on the terminal jacks 20a of an earth electrode side on the lid 2 and the terminal jacks 20b of a pair of voltage pole side, 20b.
The socket of Gou Chenging like this, by the inclined-plane 61a on the occlusive part 61 of the plug terminal of the earth electrode side of plug being pushed to door 6, with upwards side slip of door 6, thereby, be connected with the terminal carrier of earth electrode side and the terminal carrier of a pair of voltage pole side respectively the plug terminal of the earth electrode side of plug and the plug terminal of a pair of voltage pole side.
Patent documentation 1: the spy opens flat 11-185905 communique
Patent documentation 2: the spy opens flat 8-17509 communique
In addition, in IEC and the GB standard, have the test pin with diameter 1mm, on three directions arbitrarily, opposite house applies the load of 1N, with be the test pin of 1 * 3mm with the cross section, on three directions arbitrarily, opposite house applies the performance test of door of the load of 20N, still, if enlarge the tolerance band of the part dimension deviation of socket, then having generation can't be by the possibility of above-mentioned performance test.
Shown in Figure 13 (a), if not door 6 state of inaccessible terminal jacks 20b normally, but, for example because the plug of plug and being clipped between the muscle 204 of door 6 and lid 2 from the foreign matters such as metal powder that plug terminal and terminal carrier 31 fall down, then shown in Figure 13 (b), test pin TP is easy to enter from terminal carrier 31 sides that formed by above-mentioned foreign matter.
In addition, shown in Figure 13 (c), press off door 6 with test pin TP, make test pin TP be inclined to the angle shown in the dotted line, or as shown in figure 14, test pin TP20 is pushed toward door 6 directions, when making it that the direction of arrow moves in figure, the capital forms the slit as shown in figure 15, thereby makes test pin TP protrude into terminal carrier 31 sides easily.Though this problem can by improve to the direction of closing door 6 apply spring force helical spring spring pressure solve, this also can bring problems such as the difficult insertion of plug.
Summary of the invention
The present invention proposes in view of the above fact, even its objective is that providing a kind of will pry open door with test pin, does not also strengthen to the spring force that applies of direction of closing door and with the socket of door protection inside.
Socket of the present invention is characterized in that, has
Form the box-shaped that has opening in the front,, have the main body of a pair of voltage pole side cable jack of earth electrode side cable jack of the lead that inserts an earth electrode side and at least one group of lead that inserts a pair of voltage pole side respectively in the back side of conduct bottom portion,
Form the shape of the opening of inaccessible this main body, and has a lid of a pair of voltage pole side terminal jack of earth electrode side terminal jack of the plug terminal that inserts an earth electrode side and at least one group of plug terminal that inserts a pair of voltage pole side respectively in face portion
Be arranged at the rear side of the above-mentioned earth electrode side terminal jack in the aforementioned body, and the earth electrode side terminal carrier that is electrically connected with earth electrode side plug terminal in being inserted into this earth electrode side terminal jack;
Be arranged at the face side of the above-mentioned earth electrode side cable jack in the aforementioned body, and be electrically connected with the lead of earth electrode side in being inserted into this earth electrode side cable jack, simultaneously, the earth electrode side terminal portion that is electrically connected with above-mentioned earth electrode side terminal carrier,
Be arranged at the rear side of the above-mentioned a pair of voltage pole side terminal jack in the aforementioned body respectively, and a pair of voltage pole side terminal carrier that is electrically connected respectively with a pair of voltage pole side plug terminal in being inserted into this a pair of voltage pole side terminal jack,
Be arranged at the face side of the above-mentioned a pair of voltage pole side cable jack in the aforementioned body respectively, and be electrically connected respectively with a pair of voltage pole side lead in being inserted into this a pair of voltage pole side cable jack, simultaneously, the a pair of voltage pole side terminal portion that also is electrically connected with above-mentioned a pair of voltage pole side terminal carrier respectively
Door, an earth electrode side occlusive part and a pair of voltage pole side occlusive part of inaccessible above-mentioned earth electrode side terminal jack of the difference of door and above-mentioned a pair of voltage pole side terminal jack, shape as one forms, and between above-mentioned lid and above-mentioned earth electrode side terminal carrier, and be provided with between the above-mentioned a pair of voltage pole side terminal carrier, and
Along the inner face of the face portion of above-mentioned lid sliding freely and apply the elastic body of spring force to the direction opposite house of obturation above-mentioned earth electrode side terminal jack and above-mentioned a pair of voltage pole side terminal jack;
Wherein above-mentioned voltage pole side occlusive part is set to than answering the inaccessible bigger size of above-mentioned voltage pole side terminal jack, when this voltage pole side terminal jack of obturation, on the face relative, has the recess that is set at least with the same size of this voltage pole side terminal jack with this voltage pole side terminal jack.
According to the present invention, under the state that presses off door with test pin,, also can pass through recess even test pin is tilted, test pin is induced to the bottom side of recess.In other words, because when making test pin put in voltage pole side terminal carrier side, owing to want so that test pin is crossed the mode of the difference in height of recess periphery that this test pin is operated, therefore compare with the flat door in the past that need not cross this difference in height, can make test pin be difficult to enter into voltage pole side terminal carrier side.Thereby,, do not strengthen yet and utilize elastic body to the spring force that applies of direction of closing door and with the socket of door protection inside even will pry open door with test pin.
Description of drawings
Fig. 1 is the exploded perspective view of the socket of an embodiment of the invention.
Fig. 2 is the figure of example that expression can be used for the plug of this socket.
Fig. 3 is front view (a), right side view (b) and the underside view (c) of this socket.
Fig. 4 is A-A line cutaway view (a) and the B-B line cutaway view (b) among Fig. 3 (a).
Fig. 5 is the rearview of the lid of this socket.
Fig. 6 is that the state of door and middle boxes is being taken at the back side that is illustrated in lid.
Fig. 7 is front view (a), rearview (b), left side view (c) underside view (d), C-C line cutaway view (e) and the D-D line cutaway view (f) of door.
Fig. 8 is the figure that the state of door is being taken at the back side that is illustrated in lid.
Fig. 9 is the cutaway view of the part of lid, middle boxes and door, wherein the normal closing state of (a) expression door; (b) expression has entered small foreign matter, and can't normally close the state of door; (c) expression presses off the state of door with test pin.
Figure 10 is illustrated in the partial sectional view that the state of plug is installed on this socket.
Figure 11 is the outside drawing of former socket, and wherein, (a) and (b) being expression closes the figure, (c) of the state of each terminal jacks and (d) be to represent each terminal jacks with door, the figure of a state of opening.
Figure 12 is to use in front view (a), rearview (b), left side view (c), the underside view (d) of the door of this socket, and cutaway view (e)
Figure 13 is the key diagram of the problem of socket in the past, wherein, (a) represents the door state of inaccessible terminal jacks normally; (b) the expression foreign matter hinders the state of the inaccessible terminal jacks of door; (c) state of door is pried open in expression by test pin.
Figure 14 (a)～(c) is the figure of the action of expression when prying open with test pin.
Figure 15 (a) and (b) are figure of the state pried open of the tested trial sale of expression door.
Embodiment
Fig. 1 is the exploded perspective view of the socket of an embodiment of the invention.Fig. 2 is the figure of example that expression can be used for the plug of this socket.Fig. 3 is front view (a), right side view (b) and the underside view (c) of this socket.Fig. 4 is A-A line cutaway view (a) and the B-B line cutaway view (b) among Fig. 3 (a).Fig. 5 is the rearview of the lid of this socket.
The socket of present embodiment can directly or by installing frame be installed in the built-in box that is embedded in wall indirectly.As shown in Figure 1, the socket of present embodiment is by main body 1, lid 2, earth electrode side terminal carrier 31, earth electrode side terminal portion 32, a pair of voltage pole side terminal carrier 41,41, a pair of voltage pole side terminal portion 42,42, middle boxes 5, door 6, helical spring 7 and a plurality of assembled frame 8 constitute.
Shown in Fig. 1,3,4, main body 1 forms the box-shaped that has the long rectangular aperture of above-below direction in the front by synthetic resin.And, between the left side wall 11 and right side wall 12 of main body 1, from the inner face side of the back side portion 10 of conduct bottom to face side, extend and next door 101 to be set and between this next door 101 and the upper side wall portion 13, one counter septum 102,102 isolate mutually, and extend setting from the inner face side of back side portion 10 to face side.On the other hand, between next door 101 and the A lower side wall portion 14, extend from the inner face side of back side portion 10 to face side next door 103 is being set.By these next doors, constitute receiving room 10a in the middle of the top in the main body 1, its left and right sides constitutes a pair of receiving room 10b, 10b and the bottom constitutes a pair of receiving room 10c, 10c.
In addition, in the back side portion 10 of main body 1, wearing an earth electrode side cable jack of 2 groups of leads that insert an earth electrode side and inserting a pair of voltage pole side cable jack 10b of the lead of a pair of voltage pole side respectively.More particularly, the back side portion 10 in the receiving room 10a, the left and right sides on top penetrates respectively 2 voltage pole side cable jacks is being set.Back side portion 10 in the receiving room 10b of left side wall portion 11 sides about these left side wall portion 11 sides, penetrates respectively 2 voltage pole side cable jacks is being set.In the back side portion 10 in the receiving room 10b of right side wall portions 12 sides, about these right side wall portions 12 sides, penetrate respectively 2 voltage pole side cable jacks are being set.In addition, near the downside of two earth electrode side cable jacks of the back side of receiving room 10a portion 10, penetrate the rectangular-shaped tool insert hole that front end of being convenient to insert straight screwdriver etc. is being set.In addition, between the voltage pole side cable jack in each receiving room 10b, penetrate identical therewith tool insert hole is being set.
In addition, as shown in Figure 5, inner face in the face portion 20 of lid 2, with same outstanding size form around about the terminal jacks 20a and the muscle 201 of the ユ font of bottom, respectively around pair of terminal jack 20b, the a pair of rectangular-shaped muscle 202,202 of 20b, a pair of muscle 203 that between these these muscle 202,202 and muscle 201, connect to be provided with respectively, 203, thus make the function of each end face performance of these muscle as the sliding surface of door 6.
In addition, at the inner face of the face portion 20 of lid 2,, form a pair of muscle 204,204 that exceeds the thickness that is equivalent to door 6 compared with these muscle more respectively in the outside of a pair of muscle 203,203.In addition, at the upside of terminal jacks 20a, form a pair of muscle 205,205 that has with these muscle 204,204 identical outstanding sizes.Form also will grow the thickness that is equivalent to middle boxes 5 than this a pair of muscle 205,205, and give prominence to a pair of muscle 206,206 of same size, connect setting with a pair of muscle 205,205 respectively, but also be connected with the two ends of muscle 201 at the side wall portion up and down of lid 2.
As shown in Figure 1, terminal carrier 31 is to carry out the so-called inserted sheet that the pair of conductive plate 311,311 of Elastic Contact constitutes from both sides by the flat plug terminal P1 with plug P to accept spring.Terminal carrier 31 is accommodated in the downside of the receiving room 10a of main body 1, be arranged on simultaneously terminal jacks 20a rear side (under), and be electrically connected with the plug terminal P1 that is inserted into this terminal jacks 20a.
Portion of terminal 32 by, the conductive plate of the H word shape that will extend toward left and right directions carries out crooked the time to rear side, with about a pair of foot 321a of each side, crooked and the terminal board 321 that constitutes in ground, the mutual opposite of 321a, respectively between every couple of foot 321a, the releasing button 323 that a pair of lock shape spring 322,322 that is provided with between the 321a and insulating resin are made constitutes.And, portion of terminal 32 is accommodated in the upside of the receiving room 10a of main body 1, and be arranged on the face side of two earth electrode side cable jacks, and with insert these earth electrode side cable jacks in any one jack in earth electrode side lead when being electrically connected, be electrically connected with terminal carrier 31.In the present embodiment, terminal board 321 and terminal carrier 31 by with portion of terminal 32 form as one with same conductive plate, and it is electrically connected suitably.In addition, remove the face side that button 323 is disposed at the tool insert hole in the receiving room 10a, in the tool insert hole in receiving room 10a, insert the front end of straight screwdriver etc., remove locking by terminal board 321 and 322 pairs of leads of lock shape spring.
Terminal carrier 41 is by the pair of conductive plate 411 from the flat plug terminal P2 of two-side elastic contact plug P, 411 inserted sheets that constitute are accepted spring, be accommodated among the receiving room 10c of main body 1, and be arranged on the rear side of terminal jacks 20b, be electrically connected with the plug terminal P2 that is inserted into this terminal jacks 20b.
Portion of terminal 42 by, the conductive plate of the H word shape that will extend toward left and right directions to rear side carry out crooked terminal board 421, between relative each of terminal board 421 to foot 421a, the a pair of lock shape spring 422,422 that is provided with between the 421a, the releasing button that insulating resin is made 424 constitute.And, portion of terminal 42 is accommodated among the receiving room 10b of main body 1, and be arranged on the face side of two voltage pole side cable jacks simultaneously, be electrically connected with any one the voltage pole side lead that inserts into from these voltage pole side cable jacks, simultaneously, be electrically connected with terminal carrier 41 in the adjacent incorporating section 10c.In the present embodiment, terminal board 421 and terminal carrier 41 by with portion of terminal 42 form as one with same conductive plate, and it is electrically connected suitably.In addition, remove the face side that button 423 is disposed at the tool insert hole in the receiving room 10b, in the tool insert hole in receiving room 10a, insert the front end of straight screwdriver etc., remove the locking of terminal board 421 and 422 pairs of leads of lock shape spring.
And, terminal carrier 31 and pair of terminal carrier 41 in present embodiment, in 41, pair of terminal carrier 41,41 from the edge of opening portion of main body 1 outstanding (than the little distance of the thickness of middle boxes 5) slightly, and the outstanding distance of terminal carrier 31 is longer and shorter than the thickness of middle boxes 5 and door 6 than the thickness of middle boxes 5.
The middle boxes made from synthetic resin 5, to comprise terminal carrier 31 and pair of terminal carrier 41, the shape that the face side zone of 41 main body 1 forms the plate of sliding surface forms, have around the fenestra 5a of the face side leading section of terminal carrier 31, and have and expose pair of terminal carrier 41 respectively, the a pair of fenestra 5b of 41 leading section, 5b.In addition, in the front of middle boxes 5, the lower edge portion at fenestra 5a has formed projection 51, and 5 lower end central authorities have formed guiding tendon 52 from projection 51 to middle boxes.
Fig. 6 is illustrated in the back side of lid 2, is taking in the state of door 6 and middle boxes 5.As shown in Figure 6, middle boxes 5 is by under the state of inserting in the left and right sides A lower side wall portion of lid 2 and muscle 206,206, in fenestra 5a, insert the face side leading section of terminal carrier 31, can be with fenestra 5a, 5b, 5b are suitable respectively is disposed at terminal carrier 31,41,41 face side simultaneously, can suitably be disposed at terminal jacks 20a respectively, 20b, the rear side of 20b.
Fig. 7 is front view (a), rearview (b), left side view (c) underside view (d), C-C line cutaway view (e) and the D-D line cutaway view (f) of door 6.Fig. 8 is the figure that the state of door 6 is being taken at the back side that is illustrated in lid 2.Fig. 9 is the partial sectional view of lid 2, middle boxes 5 and door 6, below, with reference to Fig. 7～Fig. 9, opposite house 6 is elaborated.
As shown in Figure 7, door 6 is made by synthetic resin, forms inaccessible terminal jacks 20a and pair of terminal jack 20b respectively, an earth electrode side occlusive part 61 and a pair of voltage pole side occlusive part 62,62 of 20b with the shaped as frame of one.Occlusive part 61 is provided with in the face side projection of occlusive part 62,62, and in the front of occlusive part 61, has formed towards the inclined-plane 61a of the rectangular opening 6a step-down of the central authorities of door 6.In addition,, formed projection 63, two muscle 64,64 have been set and between projection 63 and rectangular opening 6a, isolate in lower end central authorities in the front of door 6.On the other hand, between the rectangular opening 6a and door 6 lower ends at the back side of door 6, formed slit 6b, simultaneously, between rectangular opening 6a and door 6 upper ends, isolated that two slit 6c, 6c being set.
On the other hand, rear side at door 6, enter into by the projection 51 that makes middle boxes 5 in the rectangular opening 6a of door 6, and insert the guiding rib 52 in the front of middle boxes 5 among the slit 6b at door 6 back sides,, insert each front end of terminal carrier 31 among the 6c simultaneously at the slit 6c at door 6 back sides, thereby the glide direction of door 6 is limited in above-below direction, thereby make door 6 under this state, on the face (front) of middle boxes 5, move freely.
In addition, first feature as present embodiment, shown in Fig. 1,7,9, each occlusive part 62 of door 6, with the part of the crossover amount minimum of the peripheral edge portion side of each terminal jacks 20b, crossover amount OL is increased, the size of this increase is such as the crossover amount in the past shown in Figure 13 (a), also want for example to be equivalent to greatly the size of above-mentioned foreign matter, occlusive part 62 is had than the bigger size of size of answering inaccessible terminal jacks 20b.And, as second feature of present embodiment, each occlusive part 62 has, when inaccessible terminal jacks 20b, on the face that terminal jacks 20b is relative therewith, has the recess 620 that is set at least with the same size of terminal jacks 20b (being bigger planar dimension in the present embodiment).In a word, recess 620 is set at, during with relative configuration of terminal jacks 20b that should be inaccessible, comprises the size of this terminal jacks 20b at least.Thus, can will extend into the test pin of terminal jacks 20b, be induced within the recess 620.
Get back to Fig. 1, helical spring 7 wherein is free to slide the inaccessible terminal jacks 20a in ground to the inner face along the face portion 20 of lid 2,20b, and the direction of 20b, opposite house 6 applies spring force.In the present embodiment, helical spring 7 is accommodated between the muscle 203,203 of lid 2, and with the face muscle 201 of lid 2, between the muscle 203,203 as fulcrum, to the A lower side wall portion of lid 2, the projection 63 of opposite house 6 applies spring force.
Assembled frame 8 is having at above-below direction pair of holes 8a arranged side by side, and the frame shape of 8a forms, and has and possess at two ends up and down a pair of tab 81,81 of the outstanding inside claw that is provided with respectively.In addition, the upper and lower side of the face side of assembled frame 8 has formed a pair of snap projection 82,82 respectively.Each assembled frame 8, by in one group one-sided each a pair of projection of the left and right sides side wall portion of each the edge of opening portion side that is formed at main body 1 and lid 2 (with reference to 4 projections 121,121 of total of Fig. 1,122,122) and each a pair of groove (by amounting to 4 grooves 123,123,124,124 2 holes of total that form) in, in conjunction with the hole 8a of a pair of assembled frame 8,8a and tab 81,81, thereby, fix main body 1 and lid 2.
One group of assembled frame 8 plays a part the Wiring equipment of a so-called module size is installed in the installing frame about present embodiment, and for the body that is closed 2 module size that lid 2 constitutes by main body 1, has then used two groups of 4 assembled frames.
Below, will the example of the assembling procedure of socket with said structure be described.
At first, the position of the regulation of the face side of the tool insert hole in the receiving room 10a of main body 1, take in and remove button 323, and in the position of the regulation of the face side of each earth electrode side cable jack, take in when respectively locking shape spring 322, the position of the face side of the tool insert hole in each receiving room 10b of main body 1 regulation is taken in and is removed button 423, and, take in and respectively lock shape spring 422 in the position that the face side of voltage earth polar side cable jack is stipulated.
Then, with a body component of terminal carrier 31 and terminal board 321, upper and lower respectively being received among the receiving room 10a, simultaneously, with a body component of two terminal carriers 41 and terminal board 421, be received into respectively among the receiving room 10c and receiving room 10b that adjoins each other.
Then, with terminal carrier 31,41,41 respectively with the fenestra 5a of middle boxes 5,5b, when 5b aimed at, the leading section with the face side of terminal carrier 31 extend within the fenestra 5a, thereby middle boxes 5 was positioned over the face side of main body 1.
Then, in the muscle 201 of lid 2, insert in the occlusive part 61 of door 6, between the muscle 203,203 of lid 2, insert the projection 63 of door 6, thereby door 6 is positioned over 201,202,202,203 of lid 2, on 203 the end face.Afterwards, the rectangular opening 6a of helical spring 7 from door 6 is received between the muscle 203,203 of lid 2.
Then, each edge of opening portion of main body 1 and lid 2 is aligned with each other, and utilize 4 groups of assembled frames 8, main body 1 and lid 2 are fixed.Thereby, finish the assembling procedure of socket.And the socket that assembling is finished is with the same in the past, bury underground after the wall, as shown in figure 10, by plug terminal P1 that will be longer, push against on the inclined-plane 61a of door 6 occlusive part 61 than plug terminal P2, the P2 of plug P, just can make upwards side slip of door 6, make plug terminal P1, P2, P2 and terminal carrier 31,41,41 connect respectively.
First feature according to present embodiment, even between the muscle 204 of door 6 and lid 2, clip fine foreign matters, shown in Fig. 9 (b), also can only be the clearance distance that reduces between the muscle 202 of door 6 and lid 2, thereby prevent test pin TP stretching into toward terminal carrier 41 directions.
In addition, according to second feature of present embodiment, shown in Fig. 9 (c), even under the state that door 6 is pressed off with test pin TP, inclining test pin TP also can pass through recess 620, and TP is induced to the bottom side with test pin.In other words, when stretching into test pin TP toward terminal carrier 41 sides, owing to must operate this test pin TP so that test pin TP crosses the mode of the difference in height of recess 620, therefore compare with the structure in the past that need not cross this difference in height shown in Figure 13 (c), the present invention makes test pin TP be difficult to enter into terminal carrier 41 sides.Thereby, even want to pry open door 6 with test pin TP, also can not strengthen utilize spring 7 to closing spring force that door 6 direction applies with door 6 protection inside.In addition,, then pass through the door 6 of helical spring 7 backups if test pin TP is pulled out, the inaccessible terminal jacks 20b of energy, thus can prevent that test pin TP from extending into terminal carrier 41 sides.
Claims (1)
1. a socket is characterized in that having
Form the box-shaped that has opening in the front,, have the main body of a pair of voltage pole side cable jack of earth electrode side cable jack of the lead that inserts an earth electrode side and at least one group of lead that inserts a pair of voltage pole side respectively in the back side of conduct bottom portion,
Form the shape of the opening of inaccessible this main body, and has a lid of a pair of voltage pole side terminal jack of earth electrode side terminal jack of the plug terminal that inserts an earth electrode side and at least one group of plug terminal that inserts a pair of voltage pole side respectively in face portion
Be arranged at the rear side of the above-mentioned earth electrode side terminal jack in the aforementioned body, and the earth electrode side terminal carrier that is electrically connected with earth electrode side plug terminal in being inserted into this earth electrode side terminal jack;
Be arranged at the face side of the above-mentioned earth electrode side cable jack in the aforementioned body, and be electrically connected with the lead of earth electrode side in being inserted into this earth electrode side cable jack, simultaneously, the earth electrode side terminal portion that is electrically connected with above-mentioned earth electrode side terminal carrier,
Be arranged at the rear side of the above-mentioned a pair of voltage pole side terminal jack in the aforementioned body respectively, and a pair of voltage pole side terminal carrier that is electrically connected respectively with a pair of voltage pole side plug terminal in being inserted into this a pair of voltage pole side terminal jack,
Be arranged at the face side of the above-mentioned a pair of voltage pole side cable jack in the aforementioned body respectively, and be electrically connected respectively with a pair of voltage pole side lead in being inserted into this a pair of voltage pole side cable jack, simultaneously, the a pair of voltage pole side terminal portion that also is electrically connected with above-mentioned a pair of voltage pole side terminal carrier respectively
Door, an earth electrode side occlusive part and a pair of voltage pole side occlusive part of inaccessible above-mentioned earth electrode side terminal jack of the difference of door and above-mentioned a pair of voltage pole side terminal jack, shape as one forms, and between above-mentioned lid and above-mentioned earth electrode side terminal carrier, and be provided with between the above-mentioned a pair of voltage pole side terminal carrier, and
Along the inner face of the face portion of above-mentioned lid sliding freely and apply the elastic body of spring force to the direction opposite house of obturation above-mentioned earth electrode side terminal jack and above-mentioned a pair of voltage pole side terminal jack;
Wherein above-mentioned voltage pole side occlusive part is set to than answering the inaccessible bigger size of above-mentioned voltage pole side terminal jack, when this voltage pole side terminal jack of obturation, on the face relative, has the recess that is set at least with the same size of this voltage pole side terminal jack with this voltage pole side terminal jack.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003271553A JP4168858B2 (en) | 2003-07-07 | 2003-07-07 | Outlet |
| JP2003271553 | 2003-07-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1578002A CN1578002A (en) | 2005-02-09 |
| CN1259753C true CN1259753C (en) | 2006-06-14 |
Family
ID=34209388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410063424 Expired - Lifetime CN1259753C (en) | 2003-07-07 | 2004-07-01 | Socket |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4168858B2 (en) |
| CN (1) | CN1259753C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010129179A (en) * | 2008-11-25 | 2010-06-10 | Panasonic Electric Works Co Ltd | Outlet device with door |
| CN102244330A (en) * | 2010-05-11 | 2011-11-16 | 飞雕电器集团有限公司 | Structure with double protection doors for five-hole socket |
| JP5584572B2 (en) * | 2010-09-27 | 2014-09-03 | パナソニック株式会社 | Outlet |
| CN104825499B (en) * | 2014-10-28 | 2020-04-03 | 云南大学 | Application of maitake mushroom extract in preparation of anti-depression drug |
-
2003
- 2003-07-07 JP JP2003271553A patent/JP4168858B2/en not_active Expired - Fee Related
-
2004
- 2004-07-01 CN CN 200410063424 patent/CN1259753C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP4168858B2 (en) | 2008-10-22 |
| JP2005032596A (en) | 2005-02-03 |
| CN1578002A (en) | 2005-02-09 |
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