CN106654725B

CN106654725B - Device for preventing power plug from falling off

Info

Publication number: CN106654725B
Application number: CN201611244740.5A
Authority: CN
Inventors: 杨志强
Original assignee: Qingdao Liangjiamei Intelligent Technology Co ltd
Current assignee: Qingdao Liangjiamei Intelligent Technology Co ltd
Priority date: 2016-12-29
Filing date: 2016-12-29
Publication date: 2022-06-21
Anticipated expiration: 2036-12-29
Also published as: CN106654725A

Abstract

The invention discloses a device for preventing a power supply plug from falling off, which comprises an anti-falling base, a rotary rabbet and a fixed bolt, wherein the anti-falling base is fixed on a socket or a power strip, the fixed bolt is fixed on a plug of an electric appliance, the lower part of the rotary rabbet is clamped on the anti-falling base and can freely rotate in the horizontal direction, a plurality of rabbets are arranged around the rotary rabbet, an inserting block clamped with the rabbet is arranged on the outer wall of the fixed bolt, and the inserting block is inserted in the rabbet and movably connected with the rabbet. The invention is simple and easy to implement, low in price and good in universality, can thoroughly prevent the plug from loosening, and ensures the electricity safety.

Description

Device for preventing power plug from falling off

Technical Field

The invention belongs to the field of electronic devices, and particularly relates to a device for preventing a power plug from falling off.

Background

With the popularization of electronic devices, the number of electronic devices and the frequency of use are higher. In daily life, a plurality of electric devices are often connected to a multi-purpose outlet or a multi-row outlet by using a plug. For example: household appliances, computers and other electric equipment need to be connected with a power supply by using a socket. The plug is inserted into a patch board or a socket and is used for connecting power supplies of electric equipment such as household appliances, computers or mechanical equipment in factories and construction sites.

In actual life, the socket of plug usually appears because the plug causes not hard up for a long time repeatedly to plug, leads to being connected inseparably between plug and the socket, and easy pine takes off, often the plug can be because of unexpected situation atress landing from the socket moreover, influences electronic device's life and user's safety. The prior art reduces the probability of loosening the plug by changing the shape of the plug and increasing the tightness of a socket or friction force, and the problem of preventing the plug from loosening is not fundamentally solved.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides the device which is simple and easy to implement, low in price and good in universality and can prevent the power plug from falling off, so that the looseness of the plug can be thoroughly avoided, and the power utilization safety is ensured.

The invention is realized by the following technical scheme:

a device for preventing a power plug from falling off is characterized in that: comprises an anti-drop base, a rotary tongue-and-groove and a fixed bolt; the anti-falling base is fixed on the power strip or the socket, and the fixed bolt is fixed on a plug of the electric appliance; the lower part of the rotary rabbet is clamped on the anti-drop base and can freely rotate in the horizontal direction, a plurality of rabbets are arranged on the periphery of the rotary rabbet, an inserting block clamped with the rabbet is arranged on the outer wall of the fixed bolt, and the inserting block is inserted into the rabbet and movably connected with the rabbet.

The invention relates to a device for preventing a power plug from falling off, wherein an anti-falling base comprises a base barrel, a limiting disc with the inner diameter smaller than that of the base barrel is arranged at the inner edge of the top of the base barrel, and a fixed disc with the outer diameter larger than that of the base barrel is arranged at the outer edge of the bottom of the base barrel; the rotary rabbet comprises a rotary cylinder, and the outer edge of the bottom of the rotary cylinder is provided with a rotary disk with the outer diameter larger than that of the rotary cylinder; the rotating disc is arranged in the base cylinder below the limiting disc, and the connection between the rotating tongue-and-groove and the anti-falling base is realized.

According to the device for preventing the power plug from falling off, a plurality of inverted T-shaped tongue-and-grooves are formed in the periphery of the rotary cylinder; the fixed bolt comprises a fixed cylinder, and inserting blocks clamped with the tongue-and-groove are arranged on the periphery of the fixed cylinder; the inserting block is downwards inserted into the rabbet from the upper part of the rotary cylinder, and the rotary rabbet 2 is rotated and fixed when the inserting block is inserted to the bottom of the rabbet, so that the operation is convenient.

According to the device for preventing the power plug from falling off, the outer diameter of the fixed cylinder is slightly smaller than the inner diameter of the rotating cylinder, and the size can be set by matching with the size of the universal plug.

The device for preventing the power plug from falling off at least comprises two grooves, wherein the grooves are arranged at equal intervals around the circumference of the rotary groove, and 3-4 grooves are preferably arranged.

The invention has the beneficial effects that:

(1) the invention adopts the inverted T-shaped tongue-and-groove to match with the plug, thus achieving the purpose of absolutely preventing the plug from falling off;

(2) the bolt has various structural forms, can be round or rectangular, and can be locked only by entering the tongue-and-groove;

(3) the invention has simple structure and convenient use.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the anti-drop base of the invention;

FIG. 3 is a top view of the anti-drop base of the present invention;

FIG. 4 is a schematic structural diagram of a rotary tongue-and-groove of the present invention;

FIG. 5 is a top view of the rotary bezel of the present invention;

FIG. 6 is a schematic structural view of the fixing latch of the present invention;

fig. 7 is a top view of the retaining latch of the present invention.

In the figure, an anti-drop base 1, a rotary rabbet 2, a fixed bolt 3, a limiting disc 11, a base barrel 12, a fixed disk 13, a rotary barrel 21, a rotary disk 22, a rabbet 23, a fixed barrel 31 and an inserting block 32 are arranged.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The drawing is an embodiment of the invention. The anti-loosening socket comprises an anti-loosening base 1, a rotary rabbet 2 and a fixing bolt 3, wherein the anti-loosening base 1 can be fixed on a socket or a power strip in a fixing mode of glue and the like, the fixing bolt 3 can be fixed on a plug of an electric appliance in a fixing mode of glue and the like, the rotary rabbet 2 is installed on the anti-loosening base 1 and can freely rotate in the horizontal direction, and the fixing bolt 3 is movably connected with the rotary rabbet 2 and can be fixed so as to fix the plug of the electric appliance on the socket or the power strip to prevent loosening.

The section of the anti-drop base 1 of the embodiment is Z-shaped and is made of plastic materials, the anti-drop base 1 comprises a base barrel 12, a limiting disc 11 with the inner diameter smaller than that of the base barrel 12 is arranged on the inner edge of the top of the base barrel 12, and a fixed disc 13 with the outer diameter larger than that of the base barrel 12 is arranged on the outer edge of the bottom of the base barrel 12; the section of the rotary rabbet 2 is L-shaped and is made of plastic materials, the rotary rabbet 2 comprises a rotary cylinder 21, and the outer edge of the bottom of the rotary cylinder 21 is provided with a rotary disk 22 with the outer diameter larger than that of the rotary cylinder 21; the rotating disc 22 is installed in the base barrel 12 below the limiting disc 11 and limited by the limiting disc 11, so that the connection between the rotating tongue-and-groove 2 and the anti-drop base 1 is realized.

Four inverted-T-shaped tongues and grooves 23 are formed in the periphery of the rotary cylinder 21, the tongues and grooves 23 are arranged around the rotary tongue and groove 2 at equal intervals along the circumference, the upper part of the inverted-T-shaped tongue and groove 23 is directly communicated with the top of the rotary cylinder 21, the lower part of the inverted-T-shaped tongue and groove 23 is directly communicated with the bottom of the rotary cylinder 21, and the height of the tongue and groove 23 is equal to that of the rotary cylinder 21; the fixing bolt 3 of the embodiment is made of a plastic material, the fixing bolt 3 comprises a fixing cylinder 31, and the periphery of the outer wall of the fixing cylinder 31 is provided with an inserting block 32 clamped with the rabbet 23; after the insertion block 32 is inserted downward into the horizontal opening portion of the inverted T-shaped tongue-and-groove 23 from above the rotary cylinder 21, the rotary tongue-and-groove 2 is rotated to fix the fixing latch 3.

The invention has the advantages that the overall structure size can be set by self, the overall height is not too high easily, the plug fixed on the fixed bolt 3 can be ensured to be inserted into the socket or the socket fixed on the anti-drop base 1, the diameter of the excircle of the plug of a common electrical appliance is four centimeters, the inner diameters of the anti-drop base 1, the rotary rabbet 2 and the fixed bolt 3 are slightly larger than four centimeters to ensure that the plug can be inserted into the socket, the inner diameter of the fixed cylinder 31 is slightly larger than four centimeters, the outer diameter of the fixed cylinder 31 is slightly smaller than the inner diameter of the rotary cylinder 21, the outer diameter of the rotary cylinder 21 is slightly smaller than the inner diameter of the limiting disc 11, the outer diameter of the rotary disc 22 is slightly smaller than the inner diameter of the base cylinder 12, the installation is convenient when in use, the rotary rabbet 2 is fixed in the anti-drop base 1, the anti-drop base 1 is fixed on the socket, the fixed bolt 3 fixed with the plug is inserted into the transverse groove of the inverted T-shaped rabbet 23 of the rotary rabbet 2, the fixed bolt 3 with the plug is rotated to ensure that the fixed bolt 3 is locked together with the plug, the falling-off phenomenon can not occur.

Claims

1. The utility model provides a prevent device that power plug drops which characterized in that: comprises an anti-drop base (1), a rotary rabbet (2) and a fixed bolt (3); the anti-falling base (1) is fixed on a power strip or a socket by glue, the section of the anti-falling base (1) is Z-shaped, and the fixing bolt (3) is fixed on a plug of an electrical appliance by glue; the lower part of the rotary rabbet (2) is clamped on the anti-drop base (1) and can freely rotate in the horizontal direction, the section of the rotary rabbet (2) is L-shaped, a plurality of rabbets (23) are arranged on the periphery of the rotary rabbet (2), an inserting block (32) clamped with the rabbet (23) is arranged on the outer wall of the fixed bolt (3), the inserting block (32) is inserted into the rabbet (23) and movably connected with the rabbet (23), and the rabbet (23) is in an inverted T shape;

the anti-falling base (1) comprises a base barrel (12), a limiting disc (11) with the inner diameter smaller than that of the base barrel (12) is arranged on the inner edge of the top of the base barrel (12), and a fixed disc (13) with the outer diameter larger than that of the base barrel (12) is arranged on the outer edge of the bottom of the base barrel (12); the rotary rabbet (2) comprises a rotary cylinder (21), and the outer edge of the bottom of the rotary cylinder (21) is provided with a rotary disk (22) with the outer diameter larger than that of the rotary cylinder (21); the rotating disc (22) is arranged in the base barrel (12) below the limiting disc (11) and limited by the limiting disc (11), so that the connection between the rotating rabbet (2) and the anti-falling base (1) is realized;

a plurality of inverted T-shaped tongue-and-grooves (23) are formed in the periphery of the rotary cylinder (21); the upper part of the inverted T-shaped rabbet (23) is directly communicated with the top of the rotary cylinder (21), the lower part of the inverted T-shaped rabbet (23) is directly communicated with the bottom of the rotary cylinder (21), namely the rabbet (23) is equal to the rotary cylinder (21), the fixed bolt (3) comprises a fixed cylinder (31), and inserting blocks (32) clamped with the rabbet (23) are arranged on the periphery of the fixed cylinder (31); the insertion block (32) is inserted into the tongue-and-groove (23) from above the rotary cylinder (21) downwards.

2. The device for preventing a power plug from falling off according to claim 1, wherein: the number of the grooves and tongues (23) is at least two, and the grooves and tongues (23) are arranged around the rotary groove and tongue (2) at equal intervals along the circumference.