TWI429144B - Safety socket (2) - Google Patents

Description

Safety socket (2)

This case relates to a socket, especially a safety socket that can prevent electric shock.

According to the electric power supply used in daily life, most of the electric power supply is AC. Because the AC has the characteristics of transmission, as long as the relevant circuit is available, it can be extended without any distance. Therefore, the daily electrical appliances are mainly AC. .

In order to facilitate power taking, a socket is usually provided at an appropriate position in the indoor and outdoor spaces, and the purpose is to connect the power to the socket. If it is to be used, the plug of the electrical appliance is inserted into the socket. Therefore, for safety and convenience considerations, the socket has strict standards and specifications. The conventional AC socket has two poles, one of which is extremely hot and the other is a neutral line. The three poles are added to the ground of the fire and the neutral line as a pole. However, the circulation of current is still dominated by two.

Usually, under normal use, the socket is ready for power supply, that is, the socket of the socket is not closed and is open. If a child holds a metal foreign object, such as a key inserted into the socket of the socket, an electric shock often occurs and causes Physical injury, so the child is playing with the socket because of curiosity, and the occurrence of electric shock has occurred frequently and is difficult to prevent.

Therefore, in order to prevent children from inserting a foreign object into the socket, it may cause a blackout. Recently, the related art has designed a plug made of an insulating material, such as plastic, which has at least two plugs for inserting into the socket of the socket. To prevent the insertion of conductive foreign matter. This can effectively suppress the effect of the conductive foreign matter being inserted into the socket, but the insulating plug is externally inserted into the socket, so it is also easy to be withdrawn, which is also potentially dangerous.

Based on the defects of the foregoing insulating plug, the related manufacturer adds a sliding cover on the surface of the jack of the plug, and the sliding cover is opposite to the opening of the opening of the socket. When the socket is not intended to be used, the user can push the sliding cover to make the sliding cover The cover hole and the insertion hole are misaligned, and the conductive foreign matter cannot be inserted. This action can effectively curb the effect of conductive foreign matter being inserted into the socket. However, the slider is disposed on the surface of the socket, and is also easy to be moved, so that the cover hole and the socket are aligned with each other, and the potential danger of inserting conductive foreign matter is urgently needed.

The main purpose of the present invention is to provide a safety socket having the possibility of avoiding electric shock caused by improper use of the socket.

The effect of the gain in this case is that when the safety socket is inserted by the two power plugs of the power plug, the front end of the two latch members in the body and the oblique sides of the slider are averaged, so that the rear end of the pair of clips Rotating in the opposite direction and moving the two stoppers outward, and releasing the lock on the slider, so that a pair of insert holders are brought into contact with a pair of fixed tabs during the backward movement of the slider to form powered by. However, if a conductive foreign object is inserted into a power jack, the latch member under the other power jack will not be actuated, and the slider is latched and locked, so that a clip holder and the same One of the adjacent fixed tabs remains in the normally open state of the untouched power supply, ensuring safety during improper use.

In order to achieve the foregoing objectives, the technical means adopted in the present invention is to provide a safety socket, comprising: a body, which is formed by abutting a base and a top cover, and a pair of opposite sides of the base are fixed for communication. A fixing bracket is respectively connected to the power source, and a supporting seat is protruded from the bottom wall of the base between the pair of fixing tabs, and a pair of symmetric latching members are pivotally connected in front of the supporting bracket, and the front end of each latching member has a vertical direction a forearm, and a rearwardly extending stopper extends obliquely rearwardly to a rear arm, and a pair of first elastic members are sleeved between the pair of latching members, and two power holes are formed on the top surface of the top cover; a sliding device having an arrow-shaped slider adjacent to the rear of the pair of latching members, the rear opening of the slider is sleeved on the protruding rail protruding from the rear of the supporting seat, and a second is arranged between the opening and the protruding rail a resilient member, a latching plate is formed in the center of the front end of the slider, and the oblique sides of the front side of the slider are parallel with the pair of forearms, and respectively a guiding inclined surface; wherein the respective clamping members under the pair of power sockets and The base wall of the same side of the slider bottom oblique tipping a conductive clip holder, and each of the insert holders and the adjacent tabs adjacent to the same side are kept in a non-contact state; when the two power jacks are inserted by the two power plugs of the power take-off plug Because the front arm of the pair of latching members and the two oblique sides of the slider are force-averaged, the arms of the pair of latching members are reversely rotated, and the pair of stoppers are moved outward, and the latching plate is released. The upper lock makes the pair of insert holders in contact with the pair of fixed tabs to form a power supply during the backward movement of the slider.

In order to further reveal the specific technical content of the present case, first refer to the drawings, wherein FIG. 1 is an exploded perspective view of the safety socket of the present case, FIG. 2 is a perspective view of another view of the top cover of the present case, and FIG. 3 is a sliding device and a pair of cards of the present case. FIG. 4 is a perspective view of the sliding device of the present invention, which is pivotally connected to the body and has not been combined with the top cover. FIG. 5 is a perspective view of the safety socket after being assembled, and FIG. 6 is a top view of the safety socket after being assembled. Figure 7 is a top plan view of the safety socket inserted into the plug of the present case, and Figure 8 is a top plan view of the safety socket of the present case when improperly used.

As shown in FIG. 1 to FIG. 5, basically, the safety socket of the present invention is composed of a body 1 and a sliding device 2.

The body 1 is formed by abutting a base 11 and a top cover 12 for covering the sliding device 2 described later. The body 1 is a socket body provided on an indoor space wall, or a socket body used for an extension cord. A pair of fixing tabs 13 are fixed on the two sides of the base 11 , for example, the left and the right sides. The pair of fixing tabs 13 are respectively connected to the live line and the neutral line of the AC power source. As shown in FIG. 1, the rear end of each of the fixing tabs 13 extends laterally inwardly by a contact portion 131. A spacer 14 is disposed on the inner side of each of the fixing tabs 13 and is fixed to the spacer 14 by a conventional connecting member, such as a screw through a predetermined hole of the fixing tab 13, so that the electric power source wire can pass through the aforementioned screw. The screw is connected to the fixing tab 13 .

Furthermore, the base 1 further includes a grounding clip 15 which is disposed at the center of the pair of fixing tabs 13 in front of the pair of fixing tabs 13. Wherein, the grounding clamp 15 is composed of A pair of grounding clips 151 are formed by laterally extending a bent grounding tab 152. The grounding tab 152 is also provided with a spacer 14 on the inner side thereof, and is preset by a grounding tab 152 by using a conventional connecting component such as a screw. The holes are locked to the spacers 14, so that the ground wires are connected to the grounding clips 15 via the screwing of the aforementioned screws.

In addition, a support seat 16 is vertically disposed on the bottom wall of the base 11 of the pair of fixed tabs 13. A pair of pivot holes 162 are defined in the left and right sides of the front trapezoidal lower bracket 161 of the support base 16, and the pair of pivot holes 162 are provided. The pivoting member 171 of the latching member 17 is pivotally disposed. The pair of latching members 17 are symmetrically disposed, and the front end of the front arm 172 has a guiding slope 173 disposed at the rear side of the front arm 172, and the rearwardly projecting stopper is disposed at the rear end. 174, a rear arm 175 is obliquely extended rearward, and a first elastic member 176, such as a spring, is sleeved between the two rear arms 175, so that the two stoppers 174 can restrict the movement of the slider 21.

The top surface of the top cover 12 is provided with a power socket 121 corresponding to the position of the two clip holders 22, so that the two power take-off inserts of the conventional plug are inserted, and a grounding socket 122 is defined corresponding to the position of the ground clip 15 In order to insert the grounding tab of the conventional plug. The inner wall of the top cover 12 corresponds to the power clip 221 of the two insert holders 22 and the ground clip 151 of the ground clip 15 respectively extending downwardly from a pressing rod 123 to form a compression positioning effect. In addition, the inner wall of the top cover 12 is disposed at a position corresponding to the lower bracket 161, and is provided with a bracket 124 on the upper side of the pair of pivot holes 125 so as to pivotally pivot the pivotal protrusion of the pair of latching members 17 together with the lower bracket 161. To provide a stable pivoting and positioning effect.

The slide device 2 is composed of a slider 21 and a pair of insert holders 22. The arrow-shaped slider 21 is adjacent to the rear of the two latching members 17, and the rear opening 211 is sleeved on the rectangular protruding rail 163 protruding from the rear of the supporting base 16, and the opening 211 is provided with a second elastic component on the opposite wall surface of the protruding rail 163. 212, such as a spring, allows the slider 21 to elastically slide back and forth along the rail 163. In addition, a latching piece 213 is protruded from the center of the front end of the slider 21, and the latching piece 213 is located in front of the stopper 174 of the pair of latching members 17 to form a locked state. In addition, the two symmetrical oblique sides 214 of the slider 21 are parallel to the two front arms 172 of the pair of latching members 17, and the leading edges of the front sides of the oblique sides 214 are also provided with guiding slopes 215, wherein Increase the wear resistance of each guiding slope 173, 215 Therefore, it can be coated with a metal material, such as a copper sheet, to form wear-resistant sheets 177, 216. In particular, a slot 217 is formed on each side of the opening 211 to drive the positioning of the positioning piece 222 of the rear insert holder 22 so that the positioning piece 222 can move back and forth with the slider 21.

Each of the latching members 17 under each of the power jacks 121 and the bottom wall of the base 11 of the latch beveled edge 214 of the same side of the slider are mounted with a conductive clip holder 22, and each of the clip holders 22 is attached. A pair of power clips 221 are attached to an L-shaped positioning piece 222. The vertical wall of the rear end of the positioning piece 222 is inserted into the slot 217, and a contact point 223 is protruded from the upper direction. Therefore, the contact 223 of each of the insert holders 22 forms a normally open state in which the contact portions 131 of the adjacent fixed tabs 13 on the same side are separated from each other.

As shown in FIG. 3, it is a perspective view of the sliding device 2 of the present invention combined with a pair of latching members 17. As shown in FIG. 4 and FIG. 6, the sliding device 2 is attached to the base 11 so that the contacts 223 of the slider holders 22 at the opposite ends of the slider 21 of the sliding device 2 are fixedly adjacent to the same side. The contact portion 131 of the sheet 13 forms a normally open state of the unconnected power source; and the ground clip holder 15 is fixed to the front center of the two fixing tabs 13. Finally, the top cover 12 is combined with the base 11 to close the top opening of the base 11 and the two power sockets 121 and a grounding socket 122 of the top surface of the top cover 12 are respectively aligned with the slider 21 . The blade holder 22 and the grounding holder 15 between the card holder 17 and the grounding holder 15 form the safety socket of the present invention in a single shape as shown in FIG.

As shown in FIG. 6 and FIG. 7, the top view of the top cover 12 is transparently treated. In use, the user aligns the two-pole or three-pole power plug with one of the top cover 12 to the power jack 121 or with ground. The jack 122 is inserted, so that the front and rear ends of the two power plugs A of the power plug first touch the two guiding slopes 173, 215 of the latching member 17 and the slider 21 and move downward. At this time, the guiding of the two latching members 17 The inclined surface 173 is pushed by the front end of the two power supply inserts A and is supported by the pivot 171, and the rear end of the arm 175 is rotated in the reverse direction, and the first elastic member 176 is stretched, and the two stoppers are made. The 174 is moved outward to unlock the latch 213; at the same time, the guiding slope 215 of the two oblique sides 214 of the slider 21 is pushed by the rear ends of the two power inserts A, so that the slider 21 together with the latch 213 After the movement, and the latching piece 213 passes through the two stoppers 174, the slider 21 compresses the second elastic member 212, and the contacts 223 of the two positioning pieces 222 connected to the rear of the slider 21 respectively touch the fixed connecting pieces 13 The contact portion 131 is formed to form a power supply state.

As shown in FIG. 8, if a child holds a conductive foreign object, for example, after the key is inserted into any of the power supply jacks 121, if the size of the conductive foreign matter is smaller than the distance between the two guiding slopes 173 and 215 of the latching member 17 and the slider 21, it will not cause The operation of the latching member 17 and the slider 21 maintains the contact portion 223 of the tab holder 22 and the contact portion 131 of the adjacent fixed tab 13 on the same side with the unconnected power supply normally open state. When the size of the conductive foreign matter is equal to or larger than the distance between the two guiding slopes 173 and 215 of the latching member 17 and the slider 21, the guiding inclined surface 173 of the single-side latching member 17 is pushed by the conductive foreign matter to be stressed. After the other end, the arm 175 is rotated in the reverse direction, and the first elastic member 176 is stretched, and the force-stop member 174 is moved outward, but the stopper member 174 of the other latch member 17 is still with the latch member 213. The latch is formed and locked, so that the slider 21 cannot be moved backward, and the contact portion 223 of the insert holder 22 and the contact portion 131 of the adjacent fixed tab 13 of the same side maintain the unopened power supply normally open state. There is no risk of electric shock to ensure safety when used improperly.

The disclosure of the present invention is a preferred embodiment. Any change or modification of the present invention originating from the technical idea of the present invention and being easily inferred by those skilled in the art will not deviate from the scope of patent rights of the present invention.

1‧‧‧ Ontology

11‧‧‧Base

12‧‧‧Top cover

121‧‧‧Power Jack

122‧‧‧ Grounding jack

123‧‧‧Press

124‧‧‧Upper bracket

125‧‧‧ pivot hole

13‧‧‧Fixed tabs

131‧‧‧Contacts

14‧‧‧shims

15‧‧‧ Grounding clamp

151‧‧‧ Grounding clip

152‧‧‧ Grounding tab

16‧‧‧ support

161‧‧‧ lower bracket

162‧‧‧ pivot hole

163‧‧‧ convex rail

17‧‧‧ Cards

171‧‧‧ pivot

172‧‧‧Forearm

173‧‧‧ Guided slope

174‧‧‧stops

175‧‧‧ rear arm

176‧‧‧First elastic element

177‧‧‧ wear-resistant piece

2‧‧‧Sliding device

21‧‧‧ Slider

211‧‧‧ openings

212‧‧‧Second elastic element

213‧‧‧latch

214‧‧‧Bevel

215‧‧‧ Guided slope

216‧‧‧ wear-resistant piece

217‧‧‧ slots

22‧‧‧ insert holder

221‧‧‧Power clips

222‧‧‧ Positioning film

223‧‧‧Contacts

Figure 1 is an exploded perspective view of the safety socket of the present case.

Figure 2 is a perspective view of another view of the top cover of the present case.

Figure 3 is a perspective view of the sliding device of the present invention combined with a pair of latching members.

4 is a perspective view of the sliding device of the present invention pivoted in the body and not yet combined with the top cover.

Figure 5 is a perspective view of the safety socket of the present case.

Figure 6 is a top plan view of the safety socket assembly.

Fig. 7 is a top plan view showing the safety socket inserted into the plug of the present invention.

Figure 8 is a top plan view of the safety socket of the present case when it is improperly used.

1‧‧‧ Ontology

11‧‧‧Base

12‧‧‧Top cover

121‧‧‧Power Jack

122‧‧‧ Grounding jack

123‧‧‧Press

13‧‧‧Fixed tabs

131‧‧‧Contacts

14‧‧‧shims

15‧‧‧ Grounding clamp

151‧‧‧ Grounding clip

152‧‧‧ Grounding tab

16‧‧‧ support

161‧‧‧ lower bracket

162‧‧‧ pivot hole

163‧‧‧ convex rail

17‧‧‧ Cards

171‧‧‧ pivot

172‧‧‧Forearm

173‧‧‧ Guided slope

174‧‧‧stops

175‧‧‧ rear arm

176‧‧‧First elastic element

177‧‧‧ wear-resistant piece

2‧‧‧Sliding device

21‧‧‧ Slider

211‧‧‧ openings

212‧‧‧Second elastic element

213‧‧‧latch

214‧‧‧Bevel

215‧‧‧ Guided slope

216‧‧‧ wear-resistant piece

217‧‧‧ slots

22‧‧‧ insert holder

221‧‧‧Power clips

222‧‧‧ Positioning film

223‧‧‧Contacts

Claims (10)

A safety socket includes a body that is butted by a base and a top cover. A pair of fixed tabs for respectively connecting the AC power sources are fixed on opposite sides of the base, and the pair of fixed tabs are fixed. A supporting seat is protruded from the bottom wall of the base, and a pair of symmetrical latching members are pivotally connected in front of the supporting seat, and the front end of each latching member has a forearm vertically, and the rearwardly extending stopper of the rear end is inclined backward. Extending a rear arm, and a pair of first elastic members are sleeved between the pair of rear arms, and two power sockets are formed on the top surface of the top cover; a sliding device having an arrow shape adjacent to the rear of the pair of latch members a slider, the rear opening of the slider is sleeved on the protruding rail protruding from the rear of the support seat, and a second elastic component is disposed between the opening and the convex rail, and a pair of the stopper is protruded from the center of the front end of the slider a latching piece of the latch, and a beveled edge of the front side of the slider is parallel with the pair of forearms, and a guiding inclined surface is respectively disposed at a top edge of the opposite surface; wherein each of the pair of power sockets a conductive insert holder is mounted on the bottom wall of the base of the base of the slider and the same side of the slider And the fixing clips adjacent to the same side of the insert holder and the same side are kept in a non-contact state; when the two power jacks are inserted by the two power plugs of the power plug, the front arm of the pair of latches And the two oblique sides of the slider are force-averaged, such that the pair of latch members rotate the reverse direction of the arm, and move the pair of stoppers outward, and release the lock on the latch, so that the slider is backward During the moving process, the pair of tab holders are brought into contact with the pair of fixing tabs to form a power supply. The safety socket of claim 1, wherein the base further comprises a grounding clamp seat disposed at a front center of the pair of fixed tabs, and the top cover facing the grounding clamp A grounding jack is defined in the seat position, and the grounding clip seat is composed of a pair of grounding clips connected to a grounding tab. The safety socket of claim 1, wherein a rear end of the fixing tab extends laterally in a contact portion, and each of the insert holders is attached to an L-shaped positioning piece by a pair of power clips. And protruding a contact point in the direction of each positioning piece, so that the The contact and the contact portion of the fixed tab remain in an uncontacted state. The safety socket of claim 1, wherein the two sides of the rear opening of the slider further comprise a pair of slots, and each slot is inserted and positioned by an adjacent insert holder. The safety socket of claim 1, wherein a spacer is disposed on the inner side of the fixing piece and is fixed to the spacer by a screw through a predetermined hole of the fixing piece. The safety socket of claim 2, wherein a gasket is disposed on the inner side of the grounding piece, and the screw is passed through the predetermined hole of the grounding piece to be locked to the gasket. The safety socket of claim 1, wherein the inner wall of the top cover corresponds to a pressure bar extending downwardly from the position of the insert holder. The safety socket of claim 2, wherein the inner wall of the top cover protrudes downwardly from the grounding clamp position by a pressing rod. The safety socket of claim 1, wherein the pair of latching members and the guiding bevels of the two oblique sides of the slider are each covered with a wear piece made of a metal material. The safety socket of claim 1, wherein the base of the base has a lower bracket in front of the support, and the inner wall of the top cover protrudes from the lower bracket to form an upper bracket, and the lower and upper brackets are opposite to the left and right sides. A pair of pivot holes for pivoting the pair of latch members are provided.