CN112952452A

CN112952452A - Anti-drop charger that factor of safety is high

Info

Publication number: CN112952452A
Application number: CN202110042341.5A
Authority: CN
Inventors: 王同军
Original assignee: Ningbo Chunlu Information Technology Co ltd
Current assignee: Ningbo Chunlu Information Technology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-06-11

Abstract

The invention discloses an anti-falling charger with high safety coefficient, which comprises a hollow shell, wherein the lower surface of the shell is provided with a groove, the inner side wall of the groove is hermetically and slidably sleeved with a sliding plate, a reset spring is fixedly connected between the sliding plate and the inner top wall of the groove, the side wall of the shell is provided with two sliding grooves, the sliding grooves extend into the groove, the sliding grooves are hermetically and slidably sleeved with a pressing block, and the lower surface of the shell is glued with a sucker. Has the advantages that: the charger can be firmly adsorbed on the socket through the negative pressure of the sucking disc, the phenomenon that the charger falls off due to misoperation is avoided, dust can be prevented from entering the charger during normal work and influencing internal electronic components, the air holes can be opened actively to dissipate heat when the charger is overheated, meanwhile, the charger can be ejected out of the socket to be powered off when the charger is overheated seriously or is in short circuit, fire disasters are avoided, and the charger has better safety.

Description

Anti-drop charger that factor of safety is high

Technical Field

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

Background

With the continuous development of science and technology, mobile devices are rapidly developed, the current intelligent mobile devices are one of essential tools in our lives, the intelligent mobile devices are interpenetrated with all aspects of our lives, works, entertainment and the like, more convenience and entertainment are provided for our lives, and the mobile devices generally need to be charged by using a charger and supply power consumption for daily use of the mobile devices.

Among the prior art, when current charger was inserted on the socket, if when operating the mobile device, carelessly having pulled the charging wire, can make the charger extract the socket, need insert the charger on the socket again, the process is comparatively loaded down with trivial details, and current charger is sealed, can't be timely dispel the heat or cut off the power supply when overheated, light then the charger burns out and causes economic loss, then causes the conflagration seriously, and the security is relatively poor, for this reason, we have proposed an anti-drop charger that factor of safety is high.

Disclosure of Invention

The invention aims to solve the problems that a charger is easy to fall off and the heat dissipation effect is poor in the prior art, and provides an anti-falling charger with a high safety coefficient.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an anti-drop charger that factor of safety is high, includes hollow shell, the shell lower surface is seted up flutedly, the sealed slip of recess inside wall has cup jointed the sliding plate, fixedly connected with reset spring between the roof in sliding plate and the recess, two sliding trays have been seted up to the shell lateral wall, the sliding tray extends to in the recess, the sealed slip of sliding tray has cup jointed according to the briquetting, the veneer of shell lower surface has the sucking disc, be provided with dustproof heat abstractor in the shell lateral wall.

In foretell anti-drop charger that factor of safety is high, dustproof heat abstractor includes that two are seted up at the slip chamber and a plurality of bleeder vent of shell side wall, the slip chamber runs through the bleeder vent that corresponds, the slip chamber extends to the sliding tray in, the shrouding has been cup jointed in the sealed slip of slip intracavity, the interior roof of slip chamber has all glued the conducting strip with the shrouding upper surface, and the recess inside wall is provided with two sets of stop device.

In foretell anti-drop charger that factor of safety is high, stop device is including seting up the mounting groove in recess inside wall department, mounting groove inside wall veneer has the connecting rod, the connecting rod rotates through the bearing and is connected with the stopper, the connecting rod is provided with torsion spring with the rotation junction of stopper, be provided with two sets of trigger mechanism in the shell.

In foretell anti-drop charger that factor of safety is high, trigger mechanism is including setting up the electro-magnet in the shell, the electro-magnet passes through the wire and establishes ties with the conducting strip, the dog has been cup jointed through the function groove slip to the recess inside wall, fixedly connected with connecting spring between dog and the function groove inside wall.

In the anti-drop charger that foretell factor of safety is high, seted up a plurality of through-holes in the shrouding, the aperture of through-hole and bleeder vent is unanimous and quantity is unanimous.

In the anti-drop charger with the high safety factor, the sealing plate, the pressing block and the sliding plate are filled with evaporating liquid.

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

1. when the charger is inserted, the pressing block is pressed to press the evaporated liquid into the groove, the sliding plate slides downwards, air in the groove is discharged out of the groove through the downward sliding of the sliding plate, then the charger is inserted into the socket, at the moment, the sliding plate resets and slides upwards under the elastic action of the reset spring from the pressing block, air in the sucker is sucked into the groove, at the moment, negative pressure is generated in the sucker, the charger is firmly fixed on the socket through the sucker, the operation that the intelligent device is operated to pull out the charger by mistake during charging is effectively avoided, and the complicated process that the charger is re-inserted is avoided;

2. by arranging the sealing plate, the sealing plate seals the air holes under a normal state, so that the interior of the charger is kept sealed, and external dust is prevented from entering the interior of the charger and affecting internal electronic components;

3. when the charger is used and the internal temperature is high, the evaporation is carried out, the volume of the charger is increased, the sealing plate is pushed upwards, the through holes in the sealing plate are overlapped with the air holes, the air holes are opened, the interior of the charger is communicated with the outside, the air inside and outside the charger is circulated, and the temperature in the charger is reduced;

4. when charger short circuit or when the temperature continues to rise still behind the ventilation cooling, the shrouding continues to go up slide, make two conducting strip contacts, the pressure in the recess is great this moment, the one-time of conducting strip contact, the electromagnet circular telegram, produce magnetism, and attract the dog, attract into the function inslot with the dog, the contact is to blockking of stopper, the stopper can freely rotate downwards this moment, relieve the spacing to the sliding plate, the sliding plate pops out this moment, strike the socket, the socket outage is released with the charger through the reaction force of impact force, prevent that overheated lead to the charger to burn out and cause the conflagration, the security of charger has improved greatly.

Drawings

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

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view of FIG. 1 at B;

fig. 4 is a schematic structural diagram of the anti-drop charger with a high safety factor in heat dissipation according to the present invention.

In the figure: the device comprises a shell 1, a groove 2, a sliding plate 3, a return spring 4, a sliding groove 5, a pressing block 6, a sliding cavity 7, a sealing plate 8, an air vent 9, a sucking disc 10, a through hole 11, a conducting strip 12, a mounting groove 13, a connecting rod 14, a limiting block 15, a functional groove 16, a stop block 17, a connecting spring 18, an electromagnet 19 and evaporated liquid 20.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-4, an anti-drop charger that factor of safety is high, including hollow shell 1, shell 1 lower surface has seted up recess 2, the sealed slip of recess 2 inside wall has cup jointed sliding plate 3, fixedly connected with reset spring 4 between sliding plate 3 and the recess 2 interior roof, shell 1 lateral wall has seted up two sliding trays 5, sliding tray 5 extends to in the recess 2, sealed slip has cup jointed according to briquetting 6 in the sliding tray 5, shell 1 lower surface veneer has sucking disc 10, inhale recess 2 with the air in the sucking disc 10 through sliding plate 3, make the interior negative pressure that produces of sucking disc 10, inhale the charger on the socket, avoid the maloperation to lead to the charger to drop, be provided with dustproof heat abstractor in the shell 1 lateral wall.

The dustproof heat dissipation device comprises two sliding cavities 7 and a plurality of air holes 9 which are arranged on the side wall of a shell 1, wherein the sliding cavities 7 penetrate through the corresponding air holes 9, the sliding cavities 7 extend into a sliding groove 5, one end of each sliding cavity 7, which is positioned in the sliding groove 5, is closer to a pressing block 6, when the pressing block is pressed, the sliding cavities 7 are sealed between the pressing blocks, evaporated liquid 20 is not pressed into the sliding cavities 7 but directly pressed into a groove 2, so that the sliding plate 3 slides, a sealing plate 8 is sleeved in the sliding cavities 7 in a sealing and sliding manner, certain damping exists in the sliding connection between the sealing plate 8 and the sliding cavities 7, namely, in the vaporization process of the evaporated liquid 20, the sliding plate 3 can slide to be in contact with a limiting block 15 firstly along with the increase of internal pressure, the sealing plate 8 can slide only after the pressure is increased to a certain value, the air holes 9 are sealed through the sealing plate 8, and the entry, the top wall has conducting strip 12 with 8 upper surfaces of shrouding all veneer in sliding

chamber

7, and 2 inside walls of recess are provided with two sets of stop device.

Stop device is including seting up the mounting groove 13 in 2 inside walls of recess department, and 13 inside walls of mounting groove are glued there is connecting rod 14, and connecting rod 14 rotates through the bearing to be connected with stopper 15, and connecting rod 14 is provided with torsion spring with stopper 15's rotation junction, is provided with two sets of trigger mechanism in the shell 1.

The trigger mechanism comprises an electromagnet 19 arranged in the shell 1, the electromagnet 19 is connected with a conducting strip 12 in series through a lead, the conducting strip 12 and the electromagnet 19 are directly connected with a power supply after being connected in series, namely, when the charger is electrified, the conducting strip 12 and the electromagnet 19 are also electrified, when the conducting strip 12 is not contacted, a circuit is not conducted, a stop 17 is sleeved on the inner side wall of the groove 2 in a sliding way through a functional groove 16, a connecting spring 18 is fixedly connected between the stop 17 and the inner side wall of the functional groove 16, under a normal state, the stop block 15 can only rotate upwards, due to the stop of the stop block 17, the stop block 15 can not rotate downwards and limits the sliding plate 3, so that the sliding plate 3 can not move downwards all the time when the evaporation liquid 20 is vaporized, the pressure is stored, the pressure is released when the conducting strip 12 is contacted, the charger is popped up through the, when the electromagnet 19 is energized to suck the stopper 17 into the functional groove 16, the stopper 15 can be rotated downward to release the stopper of the slide plate 3.

A plurality of through holes 11 are formed in the sealing plate 8, the through holes 11 are consistent with the apertures of the air holes 9 in quantity, and the positions correspond to one another one by one, so that when the charger is overheated, the air holes 9 are opened through the through holes 11 right opposite to the air holes 9, air flows between the inside and the outside, and heat dissipation is performed.

The sealing plate 8, the pressing block 6 and the sliding plate 3 are filled with evaporating liquid 20, the evaporating liquid 20 is dichloromethane, the boiling point of the evaporating liquid is about 40 ℃, and when the temperature of the charger is higher than 40 ℃, the evaporating liquid can be boiled and vaporized, so that the internal pressure is increased, and the heat dissipation device is triggered or the charger is directly ejected to be powered off.

In the invention, when a charger is needed, firstly, the pressing block 6 is pressed to enable the pressing block 6 to slide towards the inside of the sliding groove 5, because the pressing block 6 is close to the sliding cavity 7, the evaporating liquid 20 is not pressed into the sliding cavity 7 by the pressing block 6, but the evaporating liquid 20 is pressed into the groove 2, the sliding plate 3 slides downwards to enable the air in the groove 2 to be pressed out of the groove 2, then, the charger is inserted into a socket, the sucker 10 is in contact with the surface of the socket, the pressing block 6 is released, at the moment, the sliding plate 3 resets under the action of the elastic force of the reset spring 4, the evaporating liquid 20 in the groove 2 is pressed back to the sliding groove 5, the pressing block 6 resets, at the moment, the sliding plate 3 sucks the air in the sucker 10 into the groove 2, negative pressure is generated in the sucker 10, the charger is adsorbed on the socket through the sucker, and falling;

in the charging process, when the temperature is normal, the sealing plate 9 seals the air holes 9 to prevent external dust from entering the shell 1 and affecting internal electronic components, if the temperature in the charger is too high, the temperature of the evaporated liquid rises and vaporizes, the volume expands, the sliding plate 3 slides downwards to be in contact with the limiting block 15, the sliding plate 3 cannot move any more, at the moment, the sealing plate 8 slides upwards along with the continuous expansion of the volume of the evaporated liquid 20, the through holes 11 in the sealing plate 8 are overlapped with the air holes 9, the air holes 9 are opened, at the moment, the shell 1 is communicated with the outside to generate air convection, the internal temperature is reduced, after the normal temperature is recovered, the evaporated liquid 20 liquefies, the sealing plate 8 resets, and the air holes 9 are sealed again;

when the charger is short-circuited or after air convection heat dissipation, the internal temperature of the charger is still too high, the internal temperature of the charger is raised instantly due to the short-circuit of the charger, when the internal temperature is too high, the evaporation liquid 20 boils and is vigorously vaporized, so that the internal pressure continues to increase, the limiting block 15 can only rotate upwards, due to the limiting of the stop 17, the limiting block 15 can not rotate downwards, the sliding plate 3 is limited, so that the sliding plate 3 can not move downwards all the time when the evaporation liquid 20 is vaporized, but stores the pressure and can not move, the internal pressure is stored, the pressure is continuously increased along with the continuous vaporization of the internal evaporation liquid 20, so that the closing plate 8 continues to move upwards until the two conducting plates 12 are contacted, the electromagnet 19 is electrified to generate magnetic force, the stop 17 is attracted by the magnetic force, the stop 17 is attracted into the functional groove 16, and the stop card 17 stops, stopper 15 can rotate downwards, relieve the spacing to sliding plate 3, under the effect of pressure, sliding plate 3 dashes out downwards, strike the socket surface, the reaction force brought through the impact force pops out the outage with the charger, pop out the back, sliding plate 3 at first makes stopper 15 after upwards sliding under reset spring 4's elasticity, reset after sliding stopper 15, stopper 15 resets under torque spring elasticity, dog 17 also resets under connecting spring 18's elasticity, make stopper 15 continue to keep spacing to sliding plate 3, prevent to continue overheated leading to the charger to burn out and take place the conflagration.

Although terms such as the housing 1, the groove 2, the sliding plate 3, the return spring 4, the sliding groove 5, the pressing block 6, the sliding chamber 7, the closing plate 8, the ventilation hole 9, the suction cup 10, the through hole 11, the conductive sheet 12, the mounting groove 13, the connecting rod 14, the stopper 15, the functional groove 16, the stopper 17, the connecting spring 18, the electromagnet 19, and the evaporation liquid 20 are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides an anti-drop charger that factor of safety is high, includes hollow shell (1), its characterized in that, recess (2) have been seted up to shell (1) lower surface, sliding plate (3) have been cup jointed in the sealed slip of recess (2) inside wall, fixedly connected with reset spring (4) between sliding plate (3) and recess (2) interior roof, two sliding tray (5) have been seted up to shell (1) lateral wall, sliding tray (5) extend to in recess (2), sliding tray (5) internal seal slip has been cup jointed and has been pressed according to briquetting (6), shell (1) lower surface veneer has sucking disc (10), be provided with dustproof heat abstractor in shell (1) lateral wall.

2. The anti-drop charger that factor of safety is high according to claim 1, characterized in that, dustproof heat abstractor includes two slip chambeies (7) and a plurality of bleeder vent (9) of seting up at shell (1) lateral wall, slip chamber (7) run through corresponding bleeder vent (9), slip chamber (7) extend to in the sliding tray (5), sealed slip cup joints shrouding (8) in slip chamber (7), the roof all has glued conducting strip (12) with shrouding (8) upper surface in slip chamber (7), and recess (2) inside wall is provided with two sets of stop device.

3. The anti-drop charger that factor of safety is high according to claim 2, characterized in that, stop device includes offer mounting groove (13) at recess (2) inside wall department, mounting groove (13) inside wall veneer has connecting rod (14), connecting rod (14) are connected with stopper (15) through the bearing rotation, the rotation junction of connecting rod (14) and stopper (15) is provided with torsion spring, be provided with two sets of trigger mechanism in shell (1).

4. The anti-drop charger that factor of safety is high according to claim 3, characterized in that, trigger mechanism includes electro-magnet (19) of setting in shell (1), electro-magnet (19) are established ties through wire and conducting strip (12), recess (2) inside wall has cup jointed dog (17) through function groove (16) slip, fixedly connected with coupling spring (18) between dog (17) and function groove (16) inside wall.

5. The anti-falling charger with the high safety factor according to claim 2, wherein a plurality of through holes (11) are formed in the sealing plate (8), and the through holes (11) are consistent with the air holes (9) in aperture and quantity.

6. The fall-off prevention charger with the high safety factor according to claim 3, wherein an evaporation liquid (20) is filled between the sealing plate (8), the pressing block (6) and the sliding plate (3).