Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a safety socket convenient to insert, it includes socket shell, shift knob, socket inner shell, emergency exit, first conducting strip, spacing arch, Y shape head, second conducting strip, one side that the emergency exit is close to the ground wire socket is Y shape head, spacing protruding cooperation on Y shape head and the socket inner shell, its characterized in that: the limiting bulges are provided with gaps allowing the convex ends of the limiting bulges to diverge towards two sides, the limiting bulges at two sides of each gap are respectively and fixedly provided with a connecting rod, and the connecting rods are fixedly connected with the corresponding first conducting strips.
The socket is characterized in that a push plate is slidably mounted on the inner shell of the socket, and the push plate is inserted into the inner sides of the U-shaped first conducting strips in the zero line and the live line sockets; the push plate is in transmission connection with the switch button, and the switch button slides inwards relative to the socket shell to drive the push plate to slide towards the insertion end of the first conducting strip to push the plug to move outwards.
The bottom end of the safety door inclined plane on the safety door is provided with an adjusting slide block in a sliding mode along the direction vertical to the safety door inclined plane, and the front end of the adjusting slide block is provided with a straight surface with the same direction as the insertion direction of the lead inserting sheet; and a fifth spring is installed between the adjusting slide block and the safety door, and the fifth spring is a compression spring and has pre-pressure.
And a memory metal is arranged between one end of the first conducting strip inserting hole at the inner sides of the live wire inserting hole and the zero wire inserting hole and the socket inner shell, and an insulating plate is fixedly arranged on the inner side surface of the other end.
The plug pins for fire fighting are provided with pin bulges, the positions of the live wire socket and the zero line socket are provided with insertion notches, and the insertion notches are matched with the pin bulges; a limiting plate is slidably mounted on the inner wall surface of the insertion gap, the limiting plate is in transmission connection with the switch button, and the switch button is controlled to slide relative to the socket shell to control whether the limiting plate extends out of the insertion gap or not; the length of the bolt bulge can ensure that after the memory metal deforms at high temperature, the bolt bulge on the bolt bulge can be kept in a contact state with the first conducting strip after the plug bolt used for fire fighting is inserted.
As a preferred scheme, a third sliding groove for the switch button to slide inside and outside is formed in the socket inner shell, a first sliding groove for the push plate to slide is formed in the socket inner shell, a second sliding groove is formed between the first sliding groove and the third sliding groove, the pressing plate is installed on the socket inner shell in a swinging mode, one end of the pressing plate is located on the lower side of the switch button, and the other end of the pressing plate penetrates through the second sliding groove and is fixedly connected with the push plate; a third spring is arranged between one end of the pressure plate, which is positioned on the lower side of the switch button, and the socket inner shell; the third spring is a compression spring and has a pre-pressure.
Preferably, a telescopic guide rod is installed between one end of the pressing plate, which is located on the lower side of the switch button, and the socket inner shell, and the telescopic guide rod is nested inside the third spring.
Preferably, the safety door is provided with a trapezoidal guide sliding groove, one end of the adjusting sliding block is fixedly provided with a guide sliding block, and the trapezoidal sliding block is arranged on the safety door through the sliding fit of the guide sliding block and the guide sliding groove.
As a preferred scheme, one end of the limiting plate, extending out of the insertion notch, is provided with a limiting plane, one side of the limiting plane is provided with a 45-degree inclined plane, and a first spring is installed between the limiting plate and the socket inner shell and is a compression spring; the ejector rod is L-shaped, is arranged in the socket inner shell in a vertically sliding manner, and the upper end of the ejector rod is matched with the inclined plane on the limiting plate; a second spring is arranged between the lower end of the ejector rod and the socket inner shell; the second spring is a compression spring and has pre-pressure; the lower end of the ejector rod is fixedly connected with the push plate.
Preferably, the socket inner shell is provided with mounting grooves for mounting the limiting plate, the ejector rod, the first spring and the second spring.
Preferably, the upper end of the latch projection is a straight surface.
Preferably, the upper end of the latch protrusion has an extrusion slope.
Compared with the prior art, the invention has the advantages that:
1. when the plug is normally inserted, before the insertion rod corresponding to the ground wire contacts the second conducting strip, the plug corresponding to the live wire and the zero line enables one end of the Y-shaped head of the safety door to pass through the convex end of the limiting bulge and penetrate through two sides of the limiting bulge, and in this state, the limiting bulge cannot limit the safety door, namely the safety door can be completely opened by extrusion, and the normal insertion of the plug corresponding to the live wire and the zero line cannot be influenced, namely the plug can be inserted in a normal state through the socket designed by the invention.
2. In the using process, if a child inserts the plug into the ground wire socket by holding a platy structure with the size similar to that of the plug pin, the limiting bulges are extruded to be separated towards two sides in the inserting process, and one end of the Y-shaped head of the safety door is limited; in this state, if a child continues to hold conductive objects with the sizes similar to those of the zero-line and live-line pins and inserts the conductive objects into the live-line and zero-line jacks, the safety door is limited by the limiting bulges to be relatively static, and the safety door can limit the inserted conductive objects, so that the conductive objects cannot be inserted continuously; the electric shock situation can be prevented when children hold a platy structure with the size similar to that of the plug pin and insert the platy structure into the ground wire socket and continue to insert the plug pin into the live wire and the zero wire; compared with the patent application number of CN201821247525.5, the structure designed by the invention improves the use safety.
3. According to the invention, the switch button can slide inwards relative to the socket outer shell by pressing the switch button inwards, the switch button extrudes the pressing plate to swing, the pressing plate swings to drive the pushing plate to move upwards along the first sliding groove, and the pushing plate is driven to move outwards relative to the socket inner shell to play a role in pushing the plug inserted in the first conductive sheet outwards, so that the plug is pulled out in an auxiliary manner, and the plug is ensured to be pulled out smoothly.
4. When the plug pins corresponding to the live wire and the zero line on the plug are inserted into the corresponding sockets, the plug can be extruded to enable the adjusting slide block to slide relative to the safety door and finally slide to the lower side of the safety door, and after the plug pins are inserted, the straight surface area at the front end of the adjusting slide block is tightly pressed on the plug inserting rod under the action of the fifth spring, so that the plug pins are subjected to friction limiting effect on the pulling-out of the plug, and the plugging reliability is improved.
5. When a fire disaster occurs, the memory metal is bent and deformed due to the high temperature; the memory metal deforms and pulls the upper end of the first conducting strip fixedly connected with the memory metal to enable the first conducting strip to swing to one side far away from the inserted plug, and the connection between the first conducting strip and the plug is disconnected; because the insulating plate is arranged between the other end of the first conducting strip and the plug inserted bar and is in a disconnected state, the power is cut off between the plug and the socket at the moment; the socket can prevent the plastic in the socket from burning out to cause short circuit and influence the use of the special socket.
6. For the special socket used in fire fighting, the plug pin bulge is arranged on the plug pin of the plug matched with the special socket, and the socket shell of the special socket is provided with an insertion notch for the plug pin bulge to insert; the insertion gap can not influence the insertion of the normal plug; when inserting special plug, need at first press shift knob, make the push pedal shift up, the push pedal shifts up and drives the ejector pin and shifts up, the ejector pin shifts up and extrudes the limiting plate through the inclined plane on the limiting plate and moves inwards, after the limiting plate removed the socket shell inboard completely, last the inserting breach of socket shell gave way out completely, just can insert special plug this moment, after inserting, loosen shift knob, under the effect of first spring and second spring, the limiting plate resets and moves outward, it is spacing to the plug with the protruding cooperation of the bolt on the plug inserted bar, the reliability of pegging graft when having improved the fire control operation.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must be of a particular length, orientation, configuration and operation in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Patent application No. CN201821247525.5 discloses a novel protective door socket, which comprises a panel and a rear cover, wherein a switch, a power socket 3, a power plug pin and a USB socket 3 are arranged on the outer side of the panel, and a protective door fixing structure and a protective door structure are arranged on the inner side of the panel; the rear cover is provided with a gold workpiece, a switch mounting table and a second protection door fixing structure. The first protective door fixing structure is divided into a protective door first sliding groove, a protective door first spring stop block and a protective door stop block, and the second protective door fixing structure is divided into a protective door second sliding groove and a protective stop block; the shutter structure comprises a shutter bracket, a shutter chuck, a shutter slider, a shutter spring and a spring stopper are arranged on the shutter bracket, and the shutter, the shutter chuck, the shutter slider, the spring stopper and the shutter bracket are integrally formed. The panel is provided with a switch clamping groove and a fixing hole, and the switch clamping groove is a double-switch clamping groove; the switch mounting table is a dual switch mounting table. The protective door spring is arranged on a spring limiting block on the protective door bracket; the protective door sliding block is arranged on the front and the back of the protective door bracket. The maximum opening length of the protective door clamping head is larger than the maximum length of the protective door clamping block.
The socket designed by the invention, wherein the socket outer shell 1, the switch button 2, the socket 3, the socket inner shell 4, the safety door 5, the first conducting strip 10, the Y-shaped head 17, the limiting protrusion 19, the second conducting strip 26 and the plug 33 related to the socket are completely the same as the corresponding structure in the patent with the patent application number of CN201821247525.5 in shape, installation position, matching relationship and functions, and belong to the structure of the existing product.
As shown in fig. 1, 2 and 10, the safety device comprises a socket outer shell 1, a switch button 2, a socket 3, a socket inner shell 4, a safety door 5, a first conductive sheet 10, a limiting protrusion 19, a Y-shaped head 17 and a second conductive sheet 26, as shown in fig. 9 and 10, the Y-shaped head 17 is arranged on one side of the safety door 5 close to the ground wire socket 3, the Y-shaped head 17 is matched with the limiting protrusion 19 on the socket inner shell 4, the limiting protrusion 19 is provided with a notch allowing the protruding end of the limiting protrusion 19 to be diverged to two sides, as shown in fig. 9 and 15, the limiting protrusions 19 on two sides of the notch are respectively and fixedly provided with a connecting rod 25, and the connecting rods 25 are fixedly connected with the corresponding first conductive sheets.
As shown in fig. 4, 5 and 14, a push plate 12 is slidably mounted on the socket inner housing 4, and the push plate 12 is inserted into the U-shaped first conductive plate 10 inside the neutral wire and live wire insertion opening 3; the push plate 12 is connected with the switch button 2 in a transmission way, and the switch button 2 slides inwards relative to the socket shell 1 to drive the push plate 12 to slide towards the insertion end of the first conducting strip 10 to push the plug 33 to move outwards.
As shown in fig. 11, 12 and 16, an adjusting slider 28 is slidably mounted on the bottom end of the inclined plane of the safety door 5 along a direction perpendicular to the inclined plane of the safety door, and the front end of the adjusting slider 28 has a straight surface with the same direction as the insertion direction of the plug pin; a fifth spring 36 is installed between the adjusting slide block 28 and the safety door 5, and the fifth spring 36 is a compression spring and has pre-pressure.
As shown in fig. 11 and 12, a memory metal 9 is mounted between one end of the insertion hole of the first conductive plate 10 inside the live wire insertion hole 3 and the neutral wire insertion hole 3 and the socket inner shell 4, and an insulating plate 27 is fixedly mounted on the inner side surface of the other end.
As shown in fig. 3 and 4, a plug protrusion 34 is installed on a plug pin of the plug 33 for fire fighting, insertion notches 23 are formed in the live wire socket 3 and the neutral wire socket 3, and the insertion notches 23 are matched with the plug protrusion 34; a limiting plate 6 is slidably mounted on the inner wall surface of the insertion gap 23, the limiting plate 6 is in transmission connection with the switch button 2, and whether the limiting plate 6 extends out of the insertion gap 23 or not can be controlled by controlling the switch button 2 to slide relative to the socket shell 1; the length of the bolt bulge 34 can ensure that after the memory metal 9 deforms at high temperature and the plug inserted bar of the plug 33 for fire fighting is inserted, the bolt bulge 34 on the plug can be kept in a contact state with the first conducting strip 10; when short circuit occurs, the temperature becomes high, the memory metal 9 deforms, one end of the first conducting plate 10, which is matched with the plug inserted link, is driven by the memory metal 9 to be away from the center of the socket, and the length of the bolt bulge 34 is set in the invention, so that the bolt bulge 34 on the plug 33 for fire fighting can be kept in a contact state with the first conducting plate 10 after the plug bolt of the plug 33 for fire fighting is inserted after the memory metal 9 deforms at high temperature, and the setting can ensure that the plug for fire fighting can be normally used even if the memory metal 9 drives the first conducting plate 10 to be away from the center of the socket. The state of the stopper plate 6 shown in fig. 3 is a state in which the plug pins on the plug are not inserted.
As shown in fig. 7 and 8, a third sliding groove 22 for sliding the switch button 2 inside and outside is formed on the inner socket shell 4, a first sliding groove 20 for sliding the push plate 12 is formed on the inner socket shell 4, a second sliding groove 21 is installed between the first sliding groove 20 and the third sliding groove 22, as shown in fig. 5 and 6, the press plate 13 is installed on the inner socket shell 4 in a swinging manner, one end of the press plate 13 is located at the lower side of the switch button 2, and the other end of the press plate 13 passes through the second sliding groove 21 and is fixedly connected with the push plate 12; a third spring 14 is arranged between one end of the pressure plate 13 positioned at the lower side of the switch button 2 and the socket inner shell 4; the third spring 14 is a compression spring and has a pre-stress. The third spring 14 acts to return the pressure plate 13.
As shown in fig. 5, a telescopic guide rod 15 is installed between one end of the pressing plate 13 located at the lower side of the switch knob 2 and the socket inner housing 4, and the telescopic guide rod 15 is nested inside the third spring 14.
As shown in fig. 12 and 16, the safety door is provided with a trapezoidal guide chute 31, one end of the adjusting slider 28 is fixedly provided with a guide slider 32, and the trapezoidal slider is mounted on the safety door through the sliding fit of the guide slider 32 and the guide chute 31.
As shown in fig. 12, one end of the limiting plate 6, which extends out of the insertion notch 23, is provided with a limiting plane 29, one side of the limiting plane 29 is provided with a 45-degree inclined plane 30, a first spring 7 is installed between the limiting plate 6 and the socket inner shell 4, and the first spring 7 is a compression spring; the ejector rod 8 is L-shaped, the ejector rod 8 is installed in the socket inner shell 4 in a vertically sliding mode, and the upper end of the ejector rod 8 is matched with the inclined plane 30 on the limiting plate 6; a second spring 11 is arranged between the lower end of the ejector rod 8 and the socket inner shell 4; the second spring 11 is a compression spring and has a pre-pressure; the lower end of the mandril 8 is fixedly connected with the push plate 12.
As shown in fig. 7 and 8, the socket inner housing 4 is provided with a mounting groove 24 for mounting the limiting plate 6, the ejector 8, the first spring 7 and the second spring 11.
As shown in a and c of fig. 13, the upper end of the latch projection 34 is a straight surface.
When the special plug 33 is pulled out, the switch button 2 needs to be pressed first to move the limit plate 6 inwards to limit the plug 33 in a contact manner.
As shown in b and c of fig. 13, the latch protrusion 34 has a pressing slope 35 at its upper end.
When the special plug 33 is pulled out, the plug 33 can be directly pulled out, the conductive protrusion on the plug 33 can extrude the limiting plate 6 under the action of the extrusion inclined plane 35, so that the limiting plate 6 moves inwards, and the limitation on the plug 33 is removed; the switch button 2 can be pressed first to move the limit plate 6 inwards to contact the limit of the plug 33, and then the plug 33 is pulled out.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
The implementation mode is as follows: when the socket designed by the invention is used, when the plug 33 is normally inserted, the pins corresponding to the live wire, the zero wire and the ground wire on the plug 33 are respectively inserted into the corresponding sockets 3; when the corresponding inserted pins of the live wire and the zero wire are inserted into the inserting holes 3 and are contacted with the inclined plane 37 of the safety door on the safety door 5, the limiting bulges 19 are not forked to two sides; then, the insertion is continued, the inserted rods corresponding to the live wire and the zero wire begin to extrude the inclined plane of the safety door 5, so that the safety door 5 slides towards one side of the limiting bulge 19, and one end of the Y-shaped head 17 of the safety door 5 is diverged towards two sides under the extrusion action of the cambered surface at the convex end of the limiting bulge 19; when the insertion rod corresponding to the ground wire contacts the second conducting strip 26, the safety door 5 crosses the convex end of the limiting protrusion 19 and is inserted at two sides of the limiting protrusion 19, in this state, the limiting protrusion 19 cannot limit the safety door 5, that is, the safety door 5 can be completely opened by being squeezed, the normal insertion of the insertion pieces corresponding to the live wire and the zero wire and the contact of the insertion pieces with the corresponding conducting strips cannot be influenced, that is, the socket designed by the invention can meet the insertion of the plug 33 in the normal state.
In the using process, if a child inserts the plate-shaped structure with the size similar to that of the plug pin into the ground wire jack 3, in the inserting process, after the plate-shaped structure is contacted with the first conducting plate 10, the plate-shaped structure is continuously inserted, so that the limiting bulge 19 is extruded under the transmission action of the connecting rod 25 and is spread to two sides, and one end of the Y-shaped head 17 of the safety door 5 is limited; in this state, if a child continues to hold a conductive object with the size similar to that of the plug pin and inserts the conductive object into the live wire and zero wire jacks 3, the safety door 5 is limited and cannot slide, so that the conductive plate is limited and cannot continue to insert after touching the safety door 5; that is, the conductive object held by the child does not contact the corresponding charged first conductive strips 10 in the live and neutral wire jacks 3; the electric shock situation can be prevented when children hold a platy structure with the size similar to that of a plug pin and insert the platy structure into the ground wire jack 3 and continue to insert the conducting strips into the live wire and the zero line; compared with the patent application number of CN201821247525.5, the structure designed by the invention improves the use safety.
According to the invention, the switch button 2 can slide inwards relative to the socket shell 1 by pressing the switch button 2 downwards, in the sliding process, after the switch button 2 is contacted with the pressing plate 13, the switch button 2 is continuously pressed inwards, the pressing plate 13 is extruded by the switch button 2, so that the pressing plate 13 swings around the swinging shaft, the pressing plate 13 swings to drive the pushing plate 12 to move upwards along the first sliding groove 20, the plug 33 inserted into the first conducting strip 10 can be pushed outwards by driving the pushing plate 12 to move outwards relative to the socket shell 4, the plug 33 is pulled out in an auxiliary manner, and the plug 33 is ensured to be pulled out smoothly.
When the plug inserted bars corresponding to the live wire and the zero wire on the plug 33 are inserted into the corresponding sockets 3, the plug inserted bars can firstly contact with the inclined surface of the safety door 5 on the safety door 5, and the safety door 5 is extruded by the inclined surface of the safety door, so that the safety door 5 slides towards one side of the limiting bulge 19; during the insertion process, after the plug inserted rod contacts the adjusting slide block 28, the plug inserted rod is inserted downwards continuously, so that the adjusting slide block 28 slides relative to the safety door 5 and finally slides to the lower side of the safety door 5, and the fifth spring 36 is compressed in the process; after the plug is inserted, under the action of the fifth spring 36, the straight area at the front end of the adjusting slider 28 is tightly pressed on the plug rod, so that the plug 33 is frictionally limited, and the plug reliability is improved.
When a fire disaster occurs, the memory metal 9 is bent and deformed due to the high temperature; the memory metal 9 deforms and pulls the upper end of the first conducting strip 10 fixedly connected with the memory metal to enable the memory metal to swing to one side far away from the inserted plug 33, and the connection between the memory metal and the plug 33 is disconnected; since the insulating plate 27 is installed between the other end of the first conductive plate 10 and the plug pin, and is in a disconnected state, the power is cut off between the plug 33 and the socket at this time; the socket can prevent the plastic in the common socket from burning out to cause short circuit and influence the use of the special socket. And for the fire-fighting plug, the fire-fighting plug can be normally used because the fire-fighting plug is provided with the bolt bulge.
For the special socket used in fire fighting, a plug pin bulge 34 is arranged on a plug pin of a plug 33 matched with the special socket, and a socket shell 1 of the special socket is provided with an insertion notch 23 for the plug pin bulge 34 to insert; the insertion notch 23 does not interfere with the insertion of the normal plug 33; when inserting special plug 33, need at first press shift knob 2, make push pedal 12 shift up, push pedal 12 shifts up and drives ejector pin 8 and shift up, ejector pin 8 shifts up and extrudes limiting plate 6 and move inwards through inclined plane 30 on the limiting plate 6, after limiting plate 6 moves to socket shell 1 inboard completely, insertion breach 23 on the socket shell 1 gives out completely, just can insert special plug 33 this moment, after inserting, loosen shift knob 2, under the effect of first spring 7 and second spring 11, limiting plate 6 resets and moves outward, it is spacing to plug 33 with the protruding 34 cooperation of the bolt on the plug inserted bar, the reliability of pegging graft has been improved.