CN111883964A

CN111883964A - Anti-drop charger

Info

Publication number: CN111883964A
Application number: CN202010792034.4A
Authority: CN
Inventors: 邹新亮; 陈柯柯
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2020-11-03

Abstract

The invention discloses an anti-falling charger which comprises a charger body, wherein two mounting blocks are embedded in the front side of the charger body, a mounting groove is formed in the front side of each mounting block, two plugs of the charger body penetrate through the mounting groove, an annular air bag used for limiting is fixed at the notch of the mounting groove, the inner side of the annular air bag is bonded with the outer wall of each plug, a curdlan is filled in the annular air bag, a device cavity is formed in each mounting block, a sliding plate is connected in the device cavity in a sliding mode, the side wall of each sliding plate is rotatably connected with a shape memory alloy, the tail end of each shape memory alloy is fixed to the inner wall of the device cavity, the contact end of each shape memory alloy and the device cavity is connected with a heat conducting sheet, the tail end of each heat conducting sheet extends into the annular air bag, and a. The plug is reasonable in structure, the plug can be abutted against the inner wall of the jack in the charging process, and meanwhile, the plug is limited to avoid the falling-off condition.

Description

Anti-drop charger

Technical Field

The invention relates to the technical field of chargers, in particular to an anti-falling charger.

Background

A charger is a device that charges other electrical appliances. The equipment adopts a high-frequency power supply technology, applies an intelligent dynamic adjustment charging technology, utilizes a power electronic semiconductor device to convert alternating current with fixed voltage and fixed frequency into direct current, generally comprises a flexible circuit board, an electronic component and the like, can be divided into a power frequency machine and a high-frequency machine according to the working frequency of a designed circuit, is widely applied to various fields, particularly in the living field, and is widely applied to common electric appliances such as mobile phones, cameras and the like.

However, after the existing charger is inserted into the socket, the charger is easy to fall off from the socket due to frequent movement in the process of using equipment, and the charger needs to be inserted back again, which is troublesome.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides an anti-falling charger which can enable a plug to be abutted against the inner wall of a jack in the charging process and limit the plug to avoid falling.

In order to achieve the purpose, the invention adopts the following technical scheme:

an anti-drop charger comprises a charger body, two mounting blocks are embedded at the front side of the charger body, the front side of the mounting block is provided with a mounting groove, two plugs of the charger body penetrate through the mounting groove, an annular air bag for limiting is fixed at the notch of the mounting groove, the inner side of the annular air bag is bonded with the outer wall of the plug, the annular air bag is filled with curdlan, the mounting block is internally provided with a device cavity, the device cavity is connected with a sliding plate in a sliding way, the side wall of the sliding plate is rotationally connected with shape memory alloy, the tail end of the shape memory alloy is fixed with the inner wall of the device cavity, the contact end of the shape memory alloy and the device cavity is connected with a heat conducting fin, the tail end of the heat conducting fin extends into the annular air bag, the side wall of the sliding plate is fixed with a supporting rod, and the tail end of the supporting rod extends into the mounting groove and is abutted against the side wall of the plug through a fixed supporting plate.

Preferably, a cylindrical cavity is arranged in the plug, a piston is arranged in the cylindrical cavity, evaporation liquid is injected into the cylindrical cavity, the side wall of the piston is elastically connected with the inner wall of the cylindrical cavity through a spring, the inner wall of the front end of the cylindrical cavity is connected with an air pipe, a round cavity is arranged at the tail end of the plug, a folding air bag is arranged in the round cavity, the tail end of the air pipe is communicated with the folding air bag, and limiting columns penetrating through the round cavity are fixed at two ends of the folding air bag.

Preferably, the middle part of folding gasbag is fixed through solid fixed ring and round cavity middle part inner wall, spacing post is at initial position and plug outer wall parallel and level.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up the annular gasbag, fill in the annular gasbag and have must rightly glue, can utilize the higher temperature heating of plug to must rightly glue at the charging process, make can rightly glue from the liquid solid state that shifts, make the plug more stable, shape memory alloy produces distortion after obtaining abnormal temperature simultaneously, drives and supports the pole and support the board and support the post plug, makes plug and jack offset, avoids droing.

2. Through setting up the evaporating liquid, can make the evaporating liquid follow liquid phase transformation to the gaseous state as the temperature rise, promote the piston and remove, aerify for folding gasbag to support out spacing post, the card is in the socket, and the maximize is avoided droing.

Drawings

Fig. 1 is a schematic structural diagram of an anti-drop charger according to the present invention;

fig. 2 is an enlarged schematic view of a structure at a position a of the anti-falling charger according to the present invention;

fig. 3 is a schematic view of an anti-falling charger according to an embodiment 2 of the present invention;

fig. 4 is an enlarged schematic view of a structure at a position B of the anti-falling charger according to the present invention;

fig. 5 is a schematic view of a charging state of the anti-drop charger according to the invention.

In the figure: the charger comprises a charger body 1, a mounting block 2, a mounting groove 3, a supporting plate 4, a supporting rod 5, a shape memory alloy 6, a device cavity 7, an evaporation liquid 8, a piston 9, a spring 10, an air pipe 11, a plug 12, an annular air bag 13, a limiting column 14, a heat conducting sheet 15, a folding air bag 16 and curdlan 17.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Example 1

Referring to fig. 1-2, an anti-drop charger comprises a charger body 1, two mounting blocks 2 are embedded in the front side of the charger body 1, mounting grooves 3 are formed in the front sides of the mounting blocks 2, two plugs 12 of the charger body 1 penetrate through the mounting grooves 3, annular air bags 13 used for limiting are fixed at the notches of the mounting grooves 3, the inner sides of the annular air bags 13 are bonded with the outer walls of the plugs 12, the annular air bags 13 are filled with natural rubber 17, the temperature of the plugs 12 rises to be not more than 65 ℃, the natural rubber 17 is converted from dispersion liquid to solid state at the moment, the annular air bags 13 are filled with the natural rubber, and the plugs 12 can be well limited.

The installation block 2 is internally provided with an installation cavity 7, the installation cavity 7 is internally and slidably connected with a sliding plate, the side wall of the sliding plate is rotatably connected with a shape memory alloy 6, the tail end of the shape memory alloy 6 is fixed with the inner wall of the installation cavity 7, the contact end of the shape memory alloy 6 and the installation cavity 7 is connected with a heat conducting strip 15, the tail end of the heat conducting strip 15 extends into an annular air bag 13, the side wall of the sliding plate is fixedly provided with a support rod 5, the tail end of the support rod 5 extends into the installation groove 3 and is supported against the side wall of a plug 12 through a fixed support plate, after the abnormal temperature of the shape memory alloy 6 is reached, the shape memory alloy 6 generates spiral deformation, the length between the two ends is reduced after the shape memory alloy 6 is changed into a spiral shape, so that the support rod 5 is driven.

In the invention, a charger 1 is connected with a device to be charged and then inserted into a socket, the Koran glue 17 is liquid at normal temperature, the annular air bag 13 is soft, so that the tail end of the plug 12 is convenient to incline under the condition that the plug 12 lacks a limiting function, and can be quickly inserted into the socket, when the plug 12 is in a charging state, the temperature of the plug 12 rises to be not more than 65 ℃, at the moment, the Koran glue 17 is converted into a solid state from a dispersion liquid, the annular air bag 13 is filled, the plug 12 can be well limited, simultaneously, the heat in the Koran glue 17 is transferred to the shape memory alloy 6 through the heat conducting strip 15, after the 'metamorphosis temperature' of the shape memory alloy 6 is reached, the shape memory alloy 6 generates spiral deformation, and after the shape memory alloy 6 is changed into a spiral shape, the length between two ends is reduced, so that the abutting rod 5 is driven to, the plug 12 is abutted through the abutting plate 4, so that the outer wall of the plug 12 abuts against the inner wall of the socket jack, the damping is increased, the anti-falling effect is achieved to a certain extent, the temperature of the plug 12 is recovered to normal temperature after charging is finished, the curdlan 17 and the shape memory alloy 6 are both reset at the moment, and the charger 1 can be pulled out.

Example 2

Referring to fig. 3-5, the difference between this embodiment and embodiment 1 is that a cylindrical cavity is provided in a plug 12, a piston 9 is provided in the cylindrical cavity, an evaporation liquid 8 is injected into the cylindrical cavity, a side wall of the piston 9 is elastically connected to an inner wall of the cylindrical cavity through a spring 10, an air tube 11 is connected to an inner wall of a front end of the cylindrical cavity, a circular cavity is provided at a terminal of the plug 12, a folding air bag 16 is provided in the circular cavity, a terminal of the air tube 11 is communicated with the folding air bag 16, both ends of the folding air bag 16 are fixed with a limit post 14 penetrating through the circular cavity, a middle portion of the folding air bag 16 is fixed to an inner wall of the middle portion of the circular cavity through a.

When the temperature of the plug 12 rises, the critical temperature of the evaporated liquid 8 is reached, at the moment, part of the evaporated liquid 8 is changed from a liquid state to a gas state, the occupied space is increased, and therefore the piston 9 is pushed to move, gas in the cylindrical cavity is squeezed into the folding air bag 16 through the air pipe 11, the folding air bag 16 is inflated and expanded to two sides, the two limiting columns 14 are driven to move out of the circular cavity and are limited in the socket, and the possibility of falling off is further avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an anti-drop charger, includes charger body (1), its characterized in that, the front side of charger body (1) inlays and is equipped with two installation pieces (2), the front side of installation piece (2) is equipped with mounting groove (3), two plugs (12) of charger body (1) run through mounting groove (3), the notch department of mounting groove (3) is fixed with and is used for spacing annular gasbag (13), the inboard and the plug (12) outer wall bonding of annular gasbag (13), annular gasbag (13) are built-in to be filled with must so glue (17), be equipped with device chamber (7) in the installation piece (2), sliding connection has the slide in device chamber (7), the lateral wall rotation of slide is connected with shape memory alloy (6), the end and the device chamber (7) inner wall of shape memory alloy (6) are fixed, shape memory alloy (6) and the contact jaw of device chamber (7) are connected with heat conduction piece (15), the tail end of the heat conducting fin (15) extends into the annular air bag (13), a supporting rod (5) is fixed on the side wall of the sliding plate, and the tail end of the supporting rod (5) extends into the mounting groove (3) and is abutted against the side wall of the plug (12) through a fixed supporting plate.

2. The anti-drop charger according to claim 1, characterized in that a cylindrical cavity is arranged in the plug (12), a piston (9) is arranged in the cylindrical cavity, an evaporation liquid (8) is injected into the cylindrical cavity, the side wall of the piston (9) is elastically connected with the inner wall of the cylindrical cavity through a spring (10), an air pipe (11) is connected with the inner wall of the front end of the cylindrical cavity, a circular cavity is arranged at the tail end of the plug (12), a folding air bag (16) is arranged in the circular cavity, the tail end of the air pipe (11) is communicated with the folding air bag (16), and limiting posts (14) penetrating through the circular cavity are fixed at both ends of the folding air bag (16).

3. An anti-drop charger according to claim 2, characterized in that the middle part of the folded air bag (16) is fixed with the inner wall of the middle part of the round cavity through a fixing ring, and the limiting post (14) is flush with the outer wall of the plug (12) in the initial position.