CN214255746U

CN214255746U - Small-size and high-stability charger

Info

Publication number: CN214255746U
Application number: CN202022725487.3U
Authority: CN
Inventors: 林双龙
Original assignee: Hunan Kaiming Electronic Technology Co ltd
Current assignee: Hunan Kaiming Electronic Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-09-21
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a small and high charger of stability, including charger housing, install the magnetic core board in charger housing and install two charging plugs, two in charger chassis bottom the top of charging plug all is equipped with the rubber sleeve. The utility model discloses a setting of inflatable rubber sleeve on the charging plug, after charging plug inserts the socket, the rubber sleeve is inflated and is swelled and be T shape tubular structure, when making the connecting wire accident of electrical apparatus pull, the rubber sleeve receives the extrusion, play the cushioning effect, guarantee the stability of charging plug and socket circular telegram installation, also inject the position of charger simultaneously, greatly reduced charger abnormal breaks away from the possibility of socket, this small size charger charged state's stability has been improved, greatly reduced socket or charger damage's possibility, the usability of charger has been improved.

Description

Small-size and high-stability charger

Technical Field

The utility model relates to a small and high charger of stability.

Background

In the prior art, the output power of a common charger for charging a mobile phone is mostly 10W (5V/2A), while a common 12.5W charger has a larger volume and is inconvenient to carry due to the fact that a magnetic core adopted by a transformer in an internal circuit of the charger is EE19 and the Ae value is 23mm2, and the prior publication number is as follows: CN205283219U (traveling charger with small volume and large power) adopts EE16 to widen the magnetic core in the transformer used by the power control circuit, thereby reducing the volume of the charger and realizing the charger with small volume.

However, in the charger in-service use, the plug and the socket of charger peg graft the back, the charger circular telegram, when the charger was connected the charging wire and is used, can have the charging wire accident to drag, the condition that leads to charger and socket abnormal extraction takes place, this kind of condition causes socket inside to change the socket and damages or connect the terminal of line end and charge multiple bad results such as unstability very probably, the stability that the subassembly (socket, charger and charging wire) that charges used is very influenced, therefore, provide a small and the charger that stability is high on the basis of the above-mentioned contrast patent now, through improving the charger structure, solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a charger that small and stability are high has solved the problem of the small charger poor stability in the use among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a charger that small and stability is high, includes charger casing, installs the magnetic core board in charger casing and installs two charging plugs in charger casing bottom, two charging plug's top all overlaps and is equipped with the rubber sleeve, first screw hole and second screw hole have been seted up to charger casing's outer wall, install a locking screw that can respectively with first screw hole and second screw hole threaded connection on charger casing's the outer wall, the second threaded hole is downthehole to be installed with the propelling movement gasbag of two rubber sleeve intercommunications, the rubber sleeve is regular drum structure under the non-inflation state, the rubber sleeve is T shape drum structure under the inflation state to inject charging plug and extract from the socket.

Preferably, two the fixed cover in top outer wall of charging plug is equipped with the radiation shield sleeve, two the rubber sleeve corresponds the cover and establishes outside the radiation shield sleeve, and the maximum external diameter on charging plug top is less than the aperture of jack on the corresponding socket.

Preferably, the propelling movement gasbag is the bulging state under the normal condition, and the propelling movement gasbag extrusion is in order to drive two rubber sleeves to bulge to T shape drum structure, and the biggest external diameter of rubber sleeve is greater than the aperture of jack on the corresponding socket this moment.

Preferably, the outer wall of the pushing air bag is provided with a catching nail for pulling the pushing air bag to reset.

Preferably, a switch is installed at the bottom end of the charger shell, a buzzer is installed inside the charger shell, and the switch, the buzzer and the magnetic core plate are electrically connected.

Preferably, the switch is installed between two charging plugs, after the charging plugs are plugged and electrified with corresponding socket jacks, the socket is squeezed at the bottom of the charger shell, the switch is in a squeezing state, and the buzzer is in a power-off state.

Preferably, after the charging plug is plugged into the corresponding socket jack and powered on, the bottom of the charger shell is not attached to the socket, the switch is in a non-extrusion state, and the buzzer is in a powered-on state.

The utility model discloses possess following beneficial effect at least:

1. through the setting of the inflatable rubber sleeve on the charging plug, after the charging plug inserts the socket, the rubber sleeve is inflated and is expanded and be T shape tubular structure, when making the connecting wire accident of electrical apparatus pull, the rubber sleeve receives the extrusion, play the cushioning effect, guarantee the stability of charging plug and socket circular telegram installation, also inject the position of charger simultaneously, greatly reduced charger abnormal possibility that breaks away from the socket, the stability of this little volume charger state of charging has been improved, greatly reduced the possibility that socket or charger damaged, the usability of charger has been improved.

2. When the charger is accidentally pulled open, the charger is still in a power-on state, but when the charger shell and the upper end face of the socket are not in a squeezing state, a circuit consisting of the switch, the buzzer and the magnetic core plate is powered on, and the buzzer rings to prompt a user that the charger is abnormally plugged, so that the intelligent charger capable of prompting abnormal charging is realized, and the usability of the charger is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic front view of a charger;

FIG. 2 is a schematic diagram of a charger for correct plug-in charging;

FIG. 3 is an enlarged view of the structure at A;

fig. 4 is a schematic diagram of the working flow of the switch and the buzzer.

In the figure: 1. a charger housing; 2. locking the screw; 3. a charging plug; 4. a rubber sleeve; 5. a heat insulating sleeve; 6. a first threaded hole; 7. a second threaded hole; 8. pushing the air bag; 9. catching nails; 10. a magnetic core plate; 11. a switch; 12. a buzzer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example one

Referring to fig. 1-4, a charger with small volume and high stability comprises a charger housing 1, a magnetic core plate 10 installed in the charger housing 1 and two charging plugs 3 installed at the bottom of the charger housing 1, wherein rubber sleeves 4 are sleeved on the top ends of the two charging plugs 3, a first threaded hole 6 and a second threaded hole 7 are formed in the outer wall of the charger housing 1, a locking screw 2 capable of being in threaded connection with the first threaded hole 6 and the second threaded hole 7 respectively is installed on the outer wall of the charger housing 1, a pushing air bag 8 communicated with the two rubber sleeves 4 is installed in the second threaded hole 7, the rubber sleeves 4 are regular cylinder structures in an uninflated state, the rubber sleeves 4 are T-shaped cylinder structures in an inflated state to limit the charging plugs 3 to be pulled out of a socket, heat insulation sleeves 5 are fixedly sleeved on the outer walls at the top ends of the two charging plugs 3, the two rubber sleeves 4 are correspondingly sleeved outside the heat insulation sleeves 5, the maximum outer diameter of the top end of the charging plug 3 is smaller than the aperture of the jack on the corresponding socket, the pushing air bag 8 is in a bulging state in a normal state, the pushing air bag 8 extrudes to drive the two rubber sleeves 4 to bulge to form a T-shaped cylindrical structure, the maximum outer diameter of the rubber sleeves 4 is larger than the aperture of the jack on the corresponding socket at the moment, and the capturing nail 9 is installed on the outer wall of the pushing air bag 8 and used for pulling the pushing air bag 8 to reset;

in the embodiment, when the charger is used, the charging plug 3 of the charger is inserted into the jack of the corresponding socket in a non-bulging state of the rubber sleeve 4, then the pushing air bag 8 in the second threaded hole 7 is pressed inwards, the gas in the pushing air bag 8 is respectively transmitted to the two rubber sleeves 4 through the air pipe, so that the two rubber sleeves 4 are bulged to be in a T-shaped cylindrical structure, the horizontal end of the T-shaped structure is positioned in the jack, so that the charging plug 3 is limited to be pulled out of the socket, at the moment, the locking screw 2 in the first threaded hole 6 is screwed off, then the locking screw 2 is screwed in the second threaded hole 7, the locking screw 2 is arranged to prevent the rubber sleeves 4 from resetting, the state is shown in fig. 2, if a connecting wire of the charger is dragged, the rubber sleeves 4 are accidentally pressed to play a buffering role, the stability of the electrified installation of the charging plug 3 and the socket is ensured, and the position of the charger is also limited, the probability that the charger is abnormally separated from the socket is greatly reduced, the stability of the charging state of the small-size charger is improved, the probability that the socket or the charger is damaged is greatly reduced, and the usability of the charger is improved.

Different from the first embodiment

Example two

As shown in fig. 2 and 4, a switch 11 is installed at the bottom end of the charger housing 1, a buzzer 12 is installed inside the charger housing 1, the switch 11, the buzzer 12 and the magnetic core plate 10 are electrically connected, the switch 11 is installed between two charging plugs 3, after the charging plugs 3 are plugged and electrified with corresponding socket jacks, the socket is squeezed at the bottom of the charger housing 1, the switch 11 is in a squeezing state, the buzzer 12 is in a power-off state, after the charging plugs 3 are plugged and electrified with corresponding socket jacks, the bottom of the charger housing 1 is not attached to the socket, the switch 11 is in a non-squeezing state, and the buzzer 12 is in an electrifying state;

when the charger is used, after the charging plug 3 is inserted into the corresponding socket, the bottom of the charger shell 1 is extruded with the upper end face of the socket, the charger is electrified, the switch 11, the buzzer 12 and the magnetic core plate 10 are electrified, but the switch 11 is extruded when the charger shell 1 is extruded with the upper end face of the socket, so that a circuit formed by the switch 11, the buzzer 12 and the magnetic core plate 10 is powered off, and the buzzer 12 is not called; however, when the charger is accidentally pulled open, the charger is still in a power-on state, but the upper end face of the charger shell 1 and the upper end face of the socket are not extruded, at the moment, a circuit consisting of the switch 11, the buzzer 12 and the magnetic core plate 10 is powered on, and the buzzer 12 buzzes to prompt a user that the charger is abnormally plugged, so that the intelligent charger capable of prompting abnormal charging is realized, and the usability of the charger is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The charger is small in size and high in stability, and comprises a charger shell (1), a magnetic core plate (10) arranged in the charger shell (1) and two charging plugs (3) arranged at the bottom of the charger shell (1), and is characterized in that rubber sleeves (4) are sleeved at the top ends of the two charging plugs (3), a first threaded hole (6) and a second threaded hole (7) are formed in the outer wall of the charger shell (1), a locking screw (2) which is respectively in threaded connection with the first threaded hole (6) and the second threaded hole (7) is arranged on the outer wall of the charger shell (1), a pushing air bag (8) communicated with the two rubber sleeves (4) is arranged in the second threaded hole (7), the rubber sleeves (4) are of regular cylindrical structures in an uninflated state, and the rubber sleeves (4) are of T-shaped cylindrical structures in an inflated state, so as to limit the unplugging of the charging plug (3) from the socket.

2. The charger of claim 1, wherein the outer wall of the top end of each of the two charging plugs (3) is fixedly sleeved with a heat insulation sleeve (5), the two rubber sleeves (4) are correspondingly sleeved outside the heat insulation sleeve (5), and the maximum outer diameter of the top end of each of the two charging plugs (3) is smaller than the diameter of the corresponding jack on the socket.

3. The charger of claim 1, wherein the pushing airbag (8) is in a bulging state in a normal state, and the pushing airbag (8) is squeezed to drive the two rubber sleeves (4) to bulge to form a T-shaped cylindrical structure, and the maximum outer diameter of the rubber sleeves (4) is larger than the hole diameter of the corresponding jack on the socket.

4. A small-sized and high-stability charger according to claim 1, wherein the outer wall of the push airbag (8) is provided with a catching nail (9) for pulling the push airbag (8) to reset.

5. The charger of claim 1, wherein a switch (11) is installed at the bottom end of the charger housing (1), a buzzer (12) is installed inside the charger housing (1), and the switch (11), the buzzer (12) and the magnetic core plate (10) are electrically connected.

6. The charger of claim 1, wherein the switch (11) is installed between two charging plugs (3), and after the charging plugs (3) are plugged into corresponding socket jacks and powered on, the socket is pressed at the bottom of the charger shell (1), the switch (11) is in a pressed state, and the buzzer (12) is in a power-off state.

7. The charger of claim 1, wherein after the charging plug (3) is plugged into the corresponding socket jack and powered on, the bottom of the charger case (1) is not attached to the socket, the switch (11) is in a non-extrusion state, and the buzzer (12) is in a powered state.