阅读说明：本技术 一种安全插头 (Safety plug ) 是由 付小丽 张玲 于 2020-06-17 设计创作，主要内容包括：本发明公开了一种安全插头,包括外壳,所述外壳的底部固定有底座,所述外壳的内底部贯穿开设有插槽,所述外壳的内壁固定有下隔板,所述下隔板的侧壁贯穿插设有两个接电柱,所述外壳的内壁固定有上隔板,所述下隔板的上端设有过热保护机构,所述上隔板的上端设有两组短路保护机构,所述外壳的两内壁固定有两个对称设置的连接弹簧。优点在于：在电流出现故障而短路时,电路中的电流将激增,从而使得收缩弹簧自我收缩,进而使得接电板与收缩板分离,使得整个电路断开,并且在接电板与收缩板分离的瞬间,卡块将插入二者间隙中,从而使得接电板与收缩板彻底隔离,使得整个电路长时间保持断电状态,从而有效的保护了电路安全。(The invention discloses a safety plug which comprises a shell, wherein a base is fixed at the bottom of the shell, a slot is formed in the inner bottom of the shell in a penetrating mode, a lower partition plate is fixed on the inner wall of the shell, two electric connecting posts are inserted into the side wall of the lower partition plate in a penetrating mode, an upper partition plate is fixed on the inner wall of the shell, an overheating protection mechanism is arranged at the upper end of the lower partition plate, two groups of short-circuit protection mechanisms are arranged at the upper end of the upper partition plate, and two symmetrically-arranged connecting springs are fixed on the two inner walls of the shell. Has the advantages that: when the current breaks down and the short circuit, the current in the circuit will surge to make shrink spring self-contraction, and then make and connect electroplax and shrink board separation, make whole circuit disconnection, and in the twinkling of an eye that connects electroplax and shrink board separation, the fixture block will insert in the two clearance, thereby make and connect electroplax and shrink board thoroughly to keep apart, make whole circuit keep the outage state for a long time, thereby effectual protection circuit safety.)

1. The utility model provides a safety plug, includes shell (1), its characterized in that, the bottom of shell (1) is fixed with base (2), the interior bottom of shell (1) runs through and has seted up slot (5), the inner wall of shell (1) is fixed with down baffle (3), the lateral wall of baffle (3) runs through to be inserted and is equipped with two electric connection posts (4) down, the inner wall of shell (1) is fixed with baffle (11), the upper end of baffle (3) is equipped with overheat protection mechanism down, the upper end of going up baffle (11) is equipped with two sets of short-circuit protection mechanisms, two inner walls of shell (1) are fixed with connecting spring (9) that two symmetries set up, two the one end that connecting spring (9) are close to each other all is fixed with suction plate (10).

2. A safety plug according to claim 1, wherein the overheat protection means comprises a divider plate (6), the partition plate (6) is fixedly connected with the upper partition plate (11) and the lower partition plate (3), the partition plate (6) penetrates through the upper partition plate (11) to divide the upper partition plate (11) into two parts, the partition plate (6) divides a closed area formed by the lower partition plate (3), the upper partition plate (11) and the shell (1) into two protection areas, the protection structures are arranged in the two protection areas, the protection structure comprises two pushing springs (7) which are fixed on the inner wall of the shell (1) and symmetrically arranged, wherein one end, close to each other, of each pushing spring (7) is fixedly provided with a push plate (8) connected with the inner wall of the protection area in a sealing and sliding mode, and electrorheological fluid is filled between the push plates (8).

3. The safety plug according to claim 2, wherein the short circuit protection mechanism comprises a contraction spring (14) fixed at the upper end of the upper partition plate (11), a contraction plate (15) is fixed at the upper end of the contraction spring (14), an electric contact plate (16) abutting against the contraction plate (15) is fixed at the inner top of the housing (1), two symmetrically arranged clamping springs (12) are fixed at the side wall of the housing (1), and a clamping block (13) abutting against the contraction plate (15) is fixed at one end, close to each other, of the two clamping springs (12).

Technical Field

The invention relates to the technical field of plugs, in particular to a safety plug.

Background

Generally, a connector of an electronic product is connected with a plug of an electrical appliance, which is called a plug, and the plug is usually combined with a socket to provide a stable power supply for the electrical appliance.

Along with the development of science and technology, power equipment's constantly increase, people are more and more serious to power equipment's dependence, and inevitable during the use of plug, and the security direct influence people's life safety that the plug used, and current plug does not have protect function in actual use, last great time with electrical apparatus power, the great plug position temperature that makes of electric current in the circuit constantly rises, and then make the line damage appear easily in the plug position, lead to catching a fire and electrocute when serious, threat to people's safety causes, consequently, need a safety plug urgently.

Disclosure of Invention

The invention aims to solve the problem that a plug in the prior art is unsafe to use, and provides a safety plug.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a safety plug, includes the shell, the bottom of shell is fixed with the base, the interior bottom of shell runs through and has seted up the slot, the inner wall of shell is fixed with down the baffle, the lateral wall of baffle runs through to be inserted and is equipped with two electrical connection posts down, the inner wall of shell is fixed with the baffle, the upper end of baffle is equipped with overheat protection mechanism down, the upper end of going up the baffle is equipped with two sets of short-circuit protection mechanisms, two inner walls of shell are fixed with the coupling spring that two symmetries set up, two the one end that coupling spring is close to each other all is fixed with the suction plate.

In the safety plug, the overheat protection mechanism comprises a partition plate, the partition plate is fixedly connected with the upper partition plate and the lower partition plate, the partition plate penetrates through the upper partition plate to divide the upper partition plate into two parts, the partition plate divides a closed area formed by the lower partition plate, the upper partition plate and the shell into two protection areas, protection structures are arranged in the two protection areas, each protection structure comprises two push springs which are fixed on the inner wall of the shell and are symmetrically arranged, push plates which are in sealing sliding connection with the inner wall of the protection area are fixed at one ends, close to each other, of the two push springs, and electrorheological fluid is filled between the two push plates.

In the above safety plug, the short-circuit protection mechanism includes a contracting spring fixed on the upper end of the upper partition plate, a contracting plate is fixed on the upper end of the contracting spring, an electric connecting plate abutting against the contracting plate is fixed on the inner top of the housing, two symmetrically arranged clamping springs are fixed on the side wall of the housing, and a clamping block abutting against the contracting plate is fixed on one end of each of the two clamping springs, which is close to each other.

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

1. according to the invention, when the plug is normally electrified, the electrorheological fluid is electrified, cured and expanded, so that the push plate is expanded and moved, the suction plate moves along with the suction plate under the action of magnetic attraction, the space of the communicated part of the shell and the base is enlarged through the movement of the suction plate, and the air in the base enters the shell, so that the air content in the base is reduced, the internal pressure is reduced, the base is tightly attached to the socket under the action of external atmospheric pressure, the connection between the plug and the socket is more stable, the power supply process is more stable, and the base and the shell of the socket are combined in a sealing manner, so that external water stains can not contact with the electric connection column, and the electric shock phenomenon is avoided;

2. in the invention, when the inside of the plug is overheated in the using process of an electric appliance, dichloromethane solution is heated and evaporated, so that the push plates move under the pushing of the push plates by expansion, the solidified electrorheological fluid moves under the pushing of the electrorheological fluid, the electrorheological fluid is dislocated with an electric connection column, the whole circuit is powered off, and the plug is electrically disconnected, thereby effectively avoiding the damage of a circuit caused by overheating of the plug and the fire caused by melting of the circuit after overheating, after the temperature in the plug is reduced, dichloromethane is liquefied, and the two push plates carry the liquid electrorheological fluid to return to the initial position under the elastic force action of the two pushing springs, thereby facilitating the subsequent use;

3. in the invention, when the current is in fault and short circuit occurs, the current in the circuit is increased rapidly, so that the contraction spring contracts automatically, the power connection plate is separated from the contraction plate, the whole circuit is disconnected, and the clamping block is inserted into the gap between the power connection plate and the contraction plate at the moment of separating the power connection plate and the contraction plate, so that the power connection plate and the contraction plate are thoroughly isolated, the whole circuit is kept in a power-off state for a long time, the circuit safety is effectively protected, and the circuit damage caused by short circuit, the electrical equipment damage and the fire caused by short circuit of the circuit are avoided;

4. according to the invention, when power supply needs to be recovered after short circuit, the plug only needs to be shaken forcibly leftwards and rightwards, so that the clamping block compresses the clamping spring and moves out of the position between the contraction plate and the power connection plate, and after the clamping block is reset, the power connection plate is in re-contact with the power connection plate, so that the whole plug is recovered to an initial state, the recovery process is simple and convenient, and the use is convenient.

Drawings

Fig. 1 is a schematic structural diagram of a safety plug according to the present invention;

fig. 2 is a side sectional view of a safety plug according to the present invention;

fig. 3 is a sectional view taken in the direction a of fig. 1.

In the figure: the device comprises a shell 1, a base 2, a lower partition plate 3, an electric connecting post 4, a slot 5, a partition plate 6, a pushing spring 7, a pushing plate 8, a connecting spring 9, a suction plate 10, an upper partition plate 11, a clamping spring 12, a clamping block 13, a contraction spring 14, a contraction plate 15 and an electric connecting plate 16.

Detailed Description

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