CN111009787A

CN111009787A - Convenient-to-use power-on power strip with higher safety performance

Info

Publication number: CN111009787A
Application number: CN201911361078.5A
Authority: CN
Inventors: 丁柳朋
Original assignee: Hangzhou Xinhua Information Technology Co Ltd
Current assignee: Hangzhou Xinhua Information Technology Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-04-14
Anticipated expiration: 2039-12-26
Also published as: CN111009787B

Abstract

The invention discloses a convenient-to-use electrified socket with higher safety performance, belonging to the field of electrified sockets, and the convenient-to-use electrified socket with higher safety performance comprises a plate body, wherein a plurality of socket groups, inner cavities and electrified grooves are sequentially arranged on the plate body from top to bottom, each socket group comprises three jacks and double jacks positioned at two sides of the three jacks, each electrified groove comprises three grooves and double grooves positioned at two sides of the three grooves, the lower ends of the double jacks and the three jacks are respectively connected with a sealing plate, so that the plugging and unplugging actions of a plug can be realized, the power-on and power-off control of a socket power supply can be effectively realized, the power is electrified after the plugging action is finished by utilizing the time delay action, the spark problem caused by the plugging of the plug in the electrified state is effectively avoided, and the plug is automatically powered off after being unplugged by utilizing the elasticity, so that the whole power-on and power-off process is safe and simple, and the ash blocking plate can be reset to carry out ash, greatly improving the dust blocking effect.

Description

Convenient-to-use power-on power strip with higher safety performance

Technical Field

The invention relates to the field of power-on power strip, in particular to a power-on power strip which is convenient to use and high in safety performance.

Background

The socket is a multi-position socket with wires, commonly called a patch board and a socket strip, a scholar electric wire lengthening assembly or an extension line socket, and the socket strip is a multi-position socket which is provided with an electric wire and a plug and can move, can be connected with more than one power plug, and saves space and circuits.

Traditional row of inserting plug and play, also be in the on-state when not using, because the reason that the jack exposes, there is very big unsafe factor, afterwards, in order to overcome this type of problem, press the press switch on row of inserting, press the circular telegram during the use, press the outage when not using, but increased the operation, it is loaded down with trivial details to lead to the power consumption process, and simultaneously, in order to avoid the dust to fall into the jack, present row of inserting jack below is provided with elasticity ash blocking plate, but it only has the ash blocking effect, and the long back of time use, ash blocking plate elasticity reduces, the ash blocking effect will greatly reduced.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide a power-on socket which is convenient to use and higher in safety performance, can effectively realize power-on and power-off control on a socket power supply by using plug insertion and extraction actions, and can electrify after the insertion action is finished by using a time delay action, thereby effectively avoiding the spark problem caused by insertion of the plug in a power-on state, and simultaneously, automatically powering off after the plug is extracted by using elastic force, so that the whole power-on and power-off process is safe and simple, and a dust baffle can return to the position for dust blocking operation even when the elastic force is reduced, thereby greatly improving the dust blocking effect.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A power-on socket convenient to use and high in safety performance comprises a board body, wherein a plurality of socket groups, an inner cavity and power-on grooves are sequentially arranged on the board body from top to bottom, each socket group comprises three jacks and double jacks positioned on two sides of the three jacks, each power-on groove comprises three grooves and double grooves positioned on two sides of the three grooves, the lower ends of the double jacks and the three jacks are respectively connected with a sealing plate, the inner side of the inner cavity is slidably connected with a pair of movable plates, a plurality of extrusion strips corresponding to the sealing plates are fixedly connected between the pair of movable plates, a contact switch is arranged on the inner wall of the inner cavity, one end, close to the contact switch, of each movable plate is fixedly connected with a contact plate, a plurality of compression springs are fixedly connected between the contact plate and the side wall of the inner cavity, and are annularly distributed around the contact switch, so that the insertion and extraction actions of a plug can be realized, the power-on and power-off control of the power supply of the power strip is effectively realized, the power is turned on again after the insertion action is finished by utilizing the time delay effect, the spark problem caused by the insertion of the plug in the power-on state is effectively avoided, and the plug is automatically powered off after being pulled out by utilizing the elasticity, so that the whole power-on and power-off process is safe and simple, the ash blocking plate can be reset to carry out ash blocking operation even when the elasticity is reduced, and the ash blocking effect is greatly improved.

Further, the shrouding is rotated to one side that is close to contact switch and is opened, the extrusion strip is located position between shrouding and the contact switch, the one end that the extrusion strip is close to the shrouding is equipped with the inclined plane, the thickness of extrusion strip is less than the distance between duplex hole and the three jack, and the effort that conveniently utilizes to make the shrouding rotate to open promotes the extrusion strip and removes to be convenient for realize the break-make of power, when the setting on inclined plane is opened in order to reduce the shrouding, the extrusion strip is to the ascending resistance of vertical side that its produced, thereby makes things convenient for the rotation of shrouding to open, makes the extrusion strip be difficult for the excessive thickness to remove to adjacent jack.

Further, the bottom of movable plate is connected with a plurality of frictioning pearls that fall of evenly distributed, the lower extreme that falls the frictioning pearl contacts with the inner bottom end of inner chamber, be equipped with between contact switch and a plurality of compression spring and separate cloth, the both ends that separate cloth respectively with touch panel and plate body fixed connection, reduce the friction between movable plate bottom and the inner chamber for the movable plate slides more nimble, thereby indirectly reduces the resistance that the plug inserted and received, separates compression spring and contact switch with cloth, makes the flexible in-process of compression spring be difficult for touching the contact switch surface, and the outer end of protection contact switch is difficult for producing the mar.

Furthermore, be connected with the cushion between the lateral wall of contact switch and inner chamber, the length and the width of cushion all are greater than contact switch's length and width, make touch panel and contact switch's contact effect better, have slight limiting action to the compression spring of both sides simultaneously, make compression spring be difficult for contacting with contact switch.

Furthermore, a pair of one end fixedly connected with connecting plate that contact switch was kept away from to the activity piece, the jack has been dug on the plate body outer wall of keeping away from contact switch one side, the jack interpolation is equipped with the movable rod, the one end and the connecting plate of movable rod contact, the other end fixedly connected with manual torsion bar of movable rod, and manual torsion bar is located the outside of plate body, fixedly connected with gag lever post on the plate body is close to the outer wall of manual torsion bar one side, and the break-make to the power is realized to the manual torsion bar of push-and-pull, gives the user's reserve selection, effectively guarantees the use of plate body, makes the life of plate.

Furthermore, the connecting plate is provided with a movable hole, the movable hole is located in the middle of the connecting plate, one end of the movable rod, which is far away from the manual torsion bar, penetrates through the movable hole and extends, two sides of the connecting plate are respectively provided with a touch ring and a drop-proof ring, the touch ring is fixedly connected to the outer end of the movable rod, the drop-proof ring is fixedly connected with the movable rod, the touch ring is used for pushing the connecting plate towards the direction close to the contact switch, the drop-proof ring enables the manual torsion bar, the movable rod and the like to be difficult to separate from the plate body, and the risk that the manual torsion bar and the movable rod are lost is.

Furthermore, the manual torsion bar and the limiting rod are both set to be L-shaped structures, the jack is located in the center of one edge of the manual torsion bar, the distance between the jack and the limiting rod is smaller than the length of the other edge of the manual torsion bar, the manual torsion bar is matched with the limiting rod, the manual torsion bar can be blocked by the limiting rod, the touch panel is made to be in contact with the contact switch, and the power supply is turned on.

Furthermore, the contact switch is a contact type delay switch, the delay time of the contact type delay switch is 2-3S, when the plug is inserted, the extrusion strip is pushed to trigger the contact switch to be electrified, then the contact type delay switch is contacted with the double-groove or the triple-groove to use a power supply, the electrified state is completed before the plug is used, sparks are possibly generated in the plug inserting process, the use is dangerous, the electrified state is enabled to be effectively reduced after the plug is inserted into the double-groove or the triple-groove by adopting the delayer, and the safety is better.

Furthermore, the limiting rod is fixedly connected with elastic balls at one end close to the plate body and on the plate body, the distance between the pair of elastic balls is smaller than the thickness of the manual torsion bar, a clamping groove matched with the elastic balls is formed in the manual torsion bar, the manual torsion bar is clamped between the pair of elastic balls, and the elastic force of the elastic balls is utilized to position the manual torsion bar, so that the manual torsion bar is not easy to rotate randomly to cause the disconnection of a power supply.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme can realize utilizing the plug to insert and extract the action, effectively realizes the on-off control to the row's of inserting power, and utilizes the time delay effect, makes the rethread electricity after inserting the action and accomplishing, effectively avoids inserting the spark problem that arouses under the plug on-state, utilizes elasticity to make the plug extract the back auto-power-off simultaneously to make whole on-off electricity process not only safe but also simple and convenient, and make the ash blocking board also can playback when elasticity reduces and keep off grey operation, improved the ash blocking effect greatly.

(2) The shrouding is rotated to one side that is close to contact switch and is opened, the extrusion strip is located position between shrouding and the contact switch, the one end that the extrusion strip is close to the shrouding is equipped with the inclined plane, the thickness of extrusion strip is less than the distance between two jacks and the three jack, make things convenient for the utilization to make the shrouding rotate the effort that opens and promote the extrusion strip and remove, thereby be convenient for realize the break-make of power, the setting on inclined plane is when opening in order to reduce the shrouding, the extrusion strip is to the ascending resistance of vertical side that it produced, thereby make things convenient for the rotation of shrouding to open, make the extrusion strip be.

(3) The bottom of movable plate is connected with a plurality of frictioning pearls of evenly distributed, the lower extreme that rubs the pearl contacts with the inner bottom end of inner chamber mutually, be equipped with between contact switch and a plurality of compression spring and separate cloth, the both ends that separate cloth respectively with touch panel and plate body fixed connection, reduce the friction between movable plate bottom and the inner chamber, make the movable plate slide more nimble, thereby indirectly reduce the resistance that the plug inserted and received, it separates compression spring and contact switch to separate cloth, make the flexible in-process of compression spring be difficult for touching the contact switch surface, the difficult production mar of protection contact switch's outer end.

(4) Be connected with the cushion between the lateral wall of contact switch and inner chamber, the length and the width of cushion all are greater than contact switch's length and width, make touch panel better with contact switch's contact effect, have slight limiting displacement to the compression spring of both sides simultaneously, make compression spring be difficult for contacting with contact switch.

(5) The one end fixedly connected with connecting plate that contact switch was kept away from to a pair of movable plate, the jack has been dug on the plate body keeps away from the outer wall of contact switch one side, the jack interpolation is equipped with the movable rod, the one end and the connecting plate of movable rod contact, the other end fixedly connected with manual torsion bar of movable rod, and manual torsion bar is located the outside of plate body, fixedly connected with gag lever post on the plate body is close to the outer wall of manual torsion bar one side, the break-make to the power is realized to the manual torsion bar of push-and-pull, give the user reserve selection, effectively guarantee the use of plate body.

(6) The connecting plate is provided with a movable hole, the movable hole is positioned in the middle of the connecting plate, one end of the movable rod far away from the manual torsion bar penetrates through the movable hole and extends, the two sides of the connecting plate are respectively provided with a touch ring and an anti-slip ring, the touch ring is fixedly connected to the outer end of the movable rod, the anti-slip ring is fixedly connected with the movable rod, the touch ring is used for pushing the connecting plate to the direction close to the contact switch, the anti-slip ring enables the manual torsion bar, the movable rod and the like to be difficult to separate from the plate body, and the risk that the manual torsion bar and the movable.

(7) The manual torsion bar and the limiting rod are both set to be L-shaped structures, the jack is located in the center of one edge of the manual torsion bar, the distance between the jack and the limiting rod is smaller than the length of the other edge of the manual torsion bar, the manual torsion bar is matched with the limiting rod, the manual torsion bar can be blocked by the limiting rod, the touch panel is made to contact with the contact switch, and the power supply is turned on.

(8) The contact switch adopts a contact type delay switch, the delay time of the contact type delay switch is 2-3S, the extrusion strip is pushed to trigger the contact switch to be electrified when the plug is inserted, then the contact type delay switch is in contact with the double-groove or the triple-groove to use a power supply, the electrification state is completed before the use, sparks are possibly generated in the plug insertion process, the use is dangerous, the electrification state is enabled to be effectively reduced after the plug is inserted into the double-groove or the triple-groove by adopting a delayer, and the safety is better.

(9) The limiting rod is close to one end of the plate body, the elastic balls are fixedly connected with the plate body, the distance between the pair of elastic balls is smaller than the thickness of the manual torsion bar, clamping grooves matched with the elastic balls are formed in the manual torsion bar in a chiseled mode, the manual torsion bar is clamped between the pair of elastic balls, the elastic force of the elastic balls can be used for positioning the manual torsion bar, and the manual torsion bar cannot rotate randomly to cause the power supply to be disconnected.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a top partial structural cross-sectional view of the present invention;

FIG. 6 is a schematic side view of the present invention;

FIG. 7 is a schematic side view of the manual torsion bar of the present invention after being limited;

fig. 8 is a front view of the manual torsion bar of the present invention after being limited.

The reference numbers in the figures illustrate:

the device comprises a plate body 1, a double-jack 21, a double-slot 211, a triple-jack 22, a triple-slot 221, an inner cavity 3, a movable plate 4, a connecting plate 41, a touch plate 42, an extrusion strip 5, a sealing plate 6, a limiting rod 7, a contact switch 8, a compression spring 9, a friction-reducing bead 10, a manual torsion bar 11, a movable rod 12, a contact ring 121, a drop-proof ring 122 and a bounce ball 13.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically 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.

Example 1:

please refer to fig. 1, a power strip with convenient use and higher safety performance comprises a plate body 1, wherein a plurality of jack groups, an inner cavity 3 and power slots are sequentially arranged on the plate body 1 from top to bottom, each jack group comprises three jacks 22 and two jacks 21 positioned at two sides of the three jacks 22, each power slot comprises a three slot 221 and two slots 211 positioned at two sides of the three slot 221, the lower ends of the two jacks 21 and the three jacks 22 are both connected with a sealing plate 6, the inner side of the inner cavity 3 is slidably connected with a pair of movable plates 4, and a plurality of extrusion strips 5 corresponding to the sealing plates 6 are fixedly connected between the pair of movable plates 4.

Shrouding 6 rotates to one side that is close to contact switch 8 and opens, extrusion strip 5 is located position between shrouding 6 and contact switch 8, the one end that extrusion strip 5 is close to shrouding 6 is equipped with the inclined plane, the thickness of extrusion strip 5 is less than the distance between duplex receptacle 21 and the three jack 22, the effort that conveniently utilizes and makes shrouding 6 rotate to open promotes extrusion strip 5 and removes, thereby be convenient for realize the break-make of power, the setting on inclined plane is when opening in order to reduce shrouding 6, extrusion strip 5 is to the ascending resistance of vertical side that its produced, thereby make things convenient for the rotation of shrouding 6 to open, make extrusion strip 5 be difficult for the excessive thickness to remove to adjacent jack below, influence the use of other.

Referring to fig. 2, a contact switch 8 is installed on the inner wall of the inner cavity 3, a touch panel 42 is fixedly connected to one end of the pair of movable plates 4 close to the contact switch 8, a plurality of compression springs 9 are fixedly connected between the touch panel 42 and the side wall of the inner cavity 3, and the plurality of compression springs 9 are annularly distributed around the contact switch 8.

The bottom end of the movable plate 4 is connected with a plurality of friction reducing beads 10 which are evenly distributed, the lower ends of the friction reducing beads 10 are contacted with the inner bottom end of the inner cavity 3, a separation cloth is arranged between the contact switch 8 and the plurality of compression springs 9, the two ends of the separation cloth are respectively fixedly connected with the touch plate 42 and the plate body 1, the friction between the bottom end of the movable plate 4 and the inner cavity 3 is reduced, the movable plate 4 slides more flexibly, so that the resistance to plug insertion is indirectly reduced, the compression springs 9 and the contact switch 8 are separated by the separation cloth, the outer surface of the contact switch 8 is not easily touched in the expansion process of the compression springs 9, the outer end of the contact switch 8 is not easily scratched, an elastic cushion is connected between the side walls of the contact switch 8 and the inner cavity 3, the length and the width of the elastic cushion are both greater than the length and the width of the contact switch 8, the contact effect of the touch plate 42 and the contact switch 8 is better, the compression spring 9 is made less likely to come into contact with the contact switch 8.

Referring to fig. 3-8, a connecting plate 41 is fixedly connected to one end of the pair of movable plates 4 away from the contact switch 8, an insertion hole is cut in an outer wall of the plate body 1 on the side away from the contact switch 8, a movable rod 12 is inserted into the insertion hole, one end of the movable rod 12 contacts with the connecting plate 41, a manual torsion bar 11 is fixedly connected to the other end of the movable rod 12, the manual torsion bar 11 is located outside the plate body 1, a limit rod 7 is fixedly connected to an outer wall of the plate body 1 on the side close to the manual torsion bar 11, and the manual torsion bar 11 is pushed and pulled to realize on-off of a power supply, so that a user can select a spare power supply, use of the plate body.

A movable hole is drilled on the connecting plate 41, the movable hole is positioned in the middle of the connecting plate 41, one end of the movable rod 12 far away from the manual torsion bar 11 passes through the movable hole and extends, two sides of the connecting plate 41 are respectively provided with a contact ring 121 and an anti-slip ring 122, the contact ring 121 is fixedly connected with the outer end of the movable rod 12, the anti-slip ring 122 is fixedly connected with the movable rod 12, the contact ring 121 is used for pushing the connecting plate 41 towards the direction close to the contact switch 8, the anti-slip ring 122 enables the manual torsion bar 11 and the movable rod 12 and the like not to be easily separated from the plate body 1, the risk of losing the manual torsion bar 11 and the movable rod 12 is reduced, the manual torsion bar 11 and the limiting rod 7 are both arranged in an L-shaped structure, the jack is positioned in the center of one side of the manual torsion bar 11, the distance between the jack and the limiting rod 7 is smaller than the length of the other side of the manual torsion bar 11, the manual torsion, the contact plate 42 is brought into contact with the contact switch 8, and the power supply is turned on.

The contact switch 8 adopts a contact type delay switch, the delay time of the contact type delay switch is 2-3S, because the extrusion strip 5 is pushed to trigger the contact switch 8 to be electrified when the plug is inserted, and then the plug is contacted with the double-groove 211 or the three-groove 221 to use a power supply, the completion of the power-on state before use may result in sparking during plug insertion, which is dangerous, and the use of a delay timer to enable the power-on state after the plug is inserted into the double 211 or triple 221 slots, the spark problem is effectively reduced, the safety is improved, the elastic balls 13 are fixedly connected with one end of the limiting rod 7 close to the plate body 1 and the plate body 1, the distance between the pair of elastic balls 13 is smaller than the thickness of the manual torsion bar 11, the manual torsion bar 11 is provided with clamping grooves matched with the elastic balls 13, the manual torsion bar 11 is clamped between the pair of elastic balls 13, the elastic force of the elastic ball 13 can be used for positioning, so that the manual torsion bar 11 is not easy to rotate randomly to cause the disconnection of the power supply.

When the plug is used, the plug is inserted into the double-jack 21 or the triple-jack 22, the plug can push the sealing plate 6 to open towards the direction close to the contact switch 8, the indirect pushing extrusion strip 5 moves towards the direction close to the contact switch 8 to drive the movable plate 4 to move along with the sealing plate to enable the contact plate 42 to be contacted with the contact switch 8, so that the communication of a power supply is realized, the whole process does not need to additionally electrify a press switch, and is convenient, a delayer is adopted to delay the electrifying process of the contact switch 8, so that the power supply is switched on after the plug is inserted into the double-slot 211 or the triple-slot 221, the generation of sparks during the plug insertion is effectively avoided, the personal safety of a user is improved, in addition, after the plug is pulled out, the elastic force of the compression spring 9 is utilized to return the movable plate 4, the contact plate 42 is not contacted with the contact switch 8 any more, the electrification is finished, and effectively solve the problem that the switch forgot to close in the current life, the circular telegram lasts, the in-process of 4 playback of movable plate simultaneously, extrusion strip 5 also can have the playback effect to shrouding 6, even 6 elasticity of shrouding reduce also still to have the effect of keeping off the ash.

The plug can be inserted and pulled out to realize utilizing, the on-off control to the power of the power strip is effectively realized, and the time delay effect is utilized, the rethread electricity after the action of making to insert is accomplished, effectively avoid inserting the spark problem that arouses under the plug on-state, utilize elasticity to make the plug extract the back auto-power-off simultaneously to make whole on-off electricity process not only safe but also simple and convenient, and make shrouding 6 also can playback when elasticity reduces and keep off grey operation, improved the ash blocking effect greatly.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a row is inserted in circular telegram that facilitates use and security performance is higher, includes plate body (1), its characterized in that: the utility model discloses a board body, including plate body (1), plate body (1) go up from last to opening the chisel in proper order down and have a plurality of jack groups, inner chamber (3) and circular telegram groove, the jack group includes three jack (22) and is located double jack (21) of three jack (22) both sides, circular telegram groove includes three groove (221) and is located double slot (211) of three groove (221) both sides, the lower extreme of double jack (21) and three jack (22) all is connected with shrouding (6), the inboard sliding connection of inner chamber (3) has a pair of movable plate (4), and is a pair of fixedly connected with a plurality of extrusion strip (5) corresponding with shrouding (6) between movable plate (4), install contact switch (8) on the inner wall of inner chamber (3), and be a pair of one end fixedly connected with touch panel (42) that movable plate (4) are close to contact switch (8), a plurality of compression spring (9) of fixedly connected with between the lateral wall of touch panel (42) and inner, and a plurality of compression springs (9) are annularly distributed around the contact switch (8).

2. A power strip according to claim 1 which is easy to use and has increased safety, wherein: the closing plate (6) is opened by rotating towards one side close to the contact switch (8), and the extrusion strip (5) is positioned between the closing plate (6) and the contact switch (8).

3. A power strip according to claim 1 which is easy to use and has increased safety, wherein: the extrusion strip (5) is provided with an inclined plane at one end close to the sealing plate (6), and the thickness of the extrusion strip (5) is smaller than the distance between the double insertion holes (21) and the three insertion holes (22).

4. A power strip according to claim 1 which is easy to use and has increased safety, wherein: the bottom of activity piece (4) is connected with a plurality of friction reduction pearl (10) of evenly distributed, the lower extreme of friction reduction pearl (10) contacts with the inner bottom end of inner chamber (3), be equipped with between contact switch (8) and a plurality of compression spring (9) and separate the cloth, the both ends that separate the cloth respectively with touch panel (42) and plate body (1) fixed connection.

5. A power strip according to claim 1 which is easy to use and has increased safety, wherein: an elastic pad is connected between the contact switch (8) and the side wall of the inner cavity (3), and the length and the width of the elastic pad are both greater than those of the contact switch (8).

6. A power strip according to claim 1 which is easy to use and has increased safety, wherein: one end fixedly connected with connecting plate (41) of contact switch (8) is kept away from to a pair of activity piece (4), the jack has been dug on the outer wall of contact switch (8) one side is kept away from in plate body (1), the jack interpolation is equipped with movable rod (12), the one end and the connecting plate (41) of movable rod (12) contact, the manual torsion bar (11) of other end fixedly connected with of movable rod (12), and manual torsion bar (11) are located the outside of plate body (1), fixedly connected with gag lever post (7) on the outer wall of plate body (1) one side is close to manual torsion bar (11).

7. A power strip according to claim 6, wherein said power strip is more easily accessible and safer than conventional power strips: the anti-dropping device is characterized in that a movable hole is drilled in the connecting plate (41) and is located in the middle of the connecting plate (41), one end, far away from the manual torsion bar (11), of the movable rod (12) penetrates through the movable hole and extends, two sides of the connecting plate (41) are respectively provided with a contact ring (121) and an anti-dropping ring (122), the contact ring (121) is fixedly connected to the outer end of the movable rod (12), and the anti-dropping ring (122) is fixedly connected with the movable rod (12).

8. A power strip according to claim 1 which is easy to use and has increased safety, wherein: the manual torsion bar (11) and the limiting rod (7) are both arranged to be L-shaped structures, the jack is located in the center of one side of the manual torsion bar (11), and the distance between the jack and the limiting rod (7) is smaller than the length of the other side of the manual torsion bar (11).

9. A power strip according to claim 1 which is easy to use and has increased safety, wherein: the contact switch (8) adopts a contact delay switch, and the delay time of the contact delay switch is 2-3S.

10. A power strip according to claim 1 which is easy to use and has increased safety, wherein: the limiting rod is characterized in that one end, close to the plate body (1), of the limiting rod (7) and the plate body (1) are fixedly connected with elastic balls (13), the distance between the elastic balls (13) is smaller than the thickness of a manual torsion bar (11), and clamping grooves matched with the elastic balls (13) are formed in the manual torsion bar (11).