CN114221179A

CN114221179A - micro-USB connector

Info

Publication number: CN114221179A
Application number: CN202111353034.5A
Authority: CN
Inventors: 李士成; 刘光辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-03-22

Abstract

The invention relates to the technical field of connectors, in particular to a micro-USB connector which comprises a connector and a socket body, wherein one end of the connector is fixedly provided with a plug body matched with the socket body, one end of the connector is also provided with a U-shaped groove, a silica gel pad is fixedly arranged inside the U-shaped groove, two circular cavities are symmetrically arranged inside the connector, and an air injection mechanism matched with the silica gel pad and used for cleaning dust accumulated inside the socket body is arranged inside each of the two circular cavities. The invention blows away the dust in the socket body through the air bag, thereby avoiding the dust from blocking in the socket body to influence the normal use of the connector, after the short-circuit fault occurs at the joint of the plug body and the socket body, the bimetallic strip deforms, then the two first contacts and the two second contacts are not electrically connected, and further the plug body and the socket body are broken, thereby improving the safety of the connector in use.

Description

micro-USB connector

Technical Field

The invention relates to the technical field of connectors, in particular to a micro-USB connector.

Background

With the rapid development of the electronic industry, a great number of portable electronic devices, such as cameras, PDAs, mobile phones, etc., have been used in daily life, and various electrical connectors, such as micro-USB connectors, which are associated with the portable electronic devices, have become an indispensable part of various communication devices, the micro-USB is a portable version of the USB2.0 standard, and is smaller than a mini-USB interface used by some mobile phones, the micro-USB is a next-generation specification of the mini-USB, and is established by the USB standardization organization U.S. USB in 2007 at 1 month and 4 days.

In the prior patent (publication number: CN109802272A), a micro-USB connector comprises a USB connector, a first power line, a second power line, a first data line, a second data line, a micro-USB connector, a hose, a sleeve, a potentiometer, an adjusting knob, a mark, a polyethylene layer, a rubber layer, a metal wire and scales, and the invention can change the resistance of the potentiometer by adjusting the potentiometer, thereby controlling the current inside the first power line and the second power line under a certain voltage condition, and avoiding damaging electrical equipment due to over-large or over-small current; the polyethylene layer and the wire that set up can effectual increase the mechanical strength of hose, avoid being similar to traditional hose and relapse the plug operation after and the hose damaged condition that leads to many times, the device simple structure, convenient to use is fit for using widely.

In the using process of the invention, the resistance value of the potentiometer needs to be changed by actively adjusting the potentiometer, so that the damage to electrical equipment caused by overlarge or undersize current is avoided, but if the short circuit exists at the connection part of the connector, the equipment cannot be timely broken, and further, the potential safety hazard exists in the connection of the circuit.

For this purpose, a micro-USB connector is proposed.

Disclosure of Invention

The invention aims to provide a micro-USB connector, which blows off dust deposited inside a socket body through an air bag, so that the problem that the normal use of the connector is influenced due to the fact that the dust is blocked inside the socket body is avoided, a bimetallic strip deforms after a short-circuit fault occurs at the joint of the plug body and the socket body, then two first contacts and two second contacts are not electrically connected, and the plug body and the socket body are further broken, so that the safety of the connector in use is improved, and the problem in the background technology is solved.

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

a micro-USB connector comprises a connector and a socket body, wherein one end of the connector is fixedly provided with a plug body matched with the socket body, one end of the connector is also provided with a U-shaped groove, a silica gel pad is fixedly arranged inside the U-shaped groove, two round cavities are symmetrically arranged inside the connector, air injection mechanisms matched with the silica gel pads and used for cleaning dust deposited inside the socket body are arranged inside the two round cavities, compression mechanisms matched with the air injection mechanisms and used for improving air impact force are further arranged inside the two round cavities, the device chamber has been seted up to the inside of connector, the heat-conducting plate has been inlayed to the one end of connector, the inside in device chamber is equipped with and is used for in time carrying out the high temperature resistant mechanism that opens circuit to the plug body with the heat-conducting plate complex, two the inside in device groove all is equipped with and is used for carrying out the block mechanism of being connected to plug body and socket body with the socket body complex.

Preferably, the air injection mechanism includes equidistant fixed mounting in a plurality of gasbags of silica gel pad inside, and is a plurality of the gasbag all is linked together with the inside in two circle chambeies, two the connecting pipe is all installed to the lateral wall in circle chamber, two shower nozzles are installed to the one end symmetry of connector, two the connecting pipe is linked together with two shower nozzles respectively, every the one end of gasbag all is equipped with and only allows gaseous from outside entering gasbag inside check valve.

When connecting plug body and socket ontology, plug body and socket ontology are close to each other, then crowd the inside in U-shaped groove with the silica gel pad, silica gel pad inside a plurality of gasbags can be compressed simultaneously, then gas will be impressed the inside in two round chambeies, the inside of shower nozzle is sent into to the rethread connecting pipe, and then spout socket ontology's inside, blow off the inside deposition of socket ontology, avoid the deposition to block up in socket ontology's inside and influence the normal use of connector.

Preferably, the compressing mechanism comprises sealing blocks which are respectively installed inside the two circular cavities in a sealing and sliding mode, one side of each sealing block is respectively connected with the side walls of the two circular cavities through two first springs in an elastic mode, two sliding rods are installed inside the circular cavities in a sliding mode respectively, one ends of the sliding rods respectively penetrate through the side walls of the two circular cavities and extend to the inside of the silica gel pad, and the other ends of the sliding rods are fixedly connected with the inner wall of the silica gel pad.

In the in-process that the silica gel pad was compressed, the slide bar can remove to the inside in circle chamber, because the inside in circle chamber still elastic connection has sealed piece, the elasticity of first spring makes the gas that gets into the inside in circle chamber after the compression can not press the removal of moving sealed piece, also can not get into the shower nozzle through the connecting pipe, but after the silica gel pad is impressed the inside in U-shaped groove completely, the slide bar also can move to the interior bottom in circle chamber and press the interior bottom that moves sealed piece to the circle chamber, the connecting pipe switches on with the shower nozzle afterwards, the inside of socket ontology can be spouted in the short time to the gas of compression, and then blow away the deposition of the inside of socket ontology, because the shape of silica gel pad also is the U-shaped, the silica gel pad does not seal socket ontology's bottom, the deposition after blowing can be followed socket ontology's interior bottom and discharged.

Preferably, prevent that high temperature mechanism includes the slide of slidable mounting in device intracavity portion, a lateral wall symmetry fixed mounting in device chamber has two first contacts, two first contact all with the internal circuit electric connection of plug body, a lateral wall symmetry fixed mounting of slide has two mutual electric connection second contacts, the opposite side of slide still passes through second spring and another lateral wall elastic connection in device chamber, a lateral wall fixed mounting in device chamber has the heat conduction piece, the one end of heat conduction piece is inlayed and is equipped with the bimetallic strip.

One side of the bimetallic strip close to the sliding plate is an active layer, one side of the bimetallic strip close to the heat conducting block is a passive layer, the active layer is mainly made of manganese-nickel-copper alloy, nickel-manganese-iron alloy, nickel and the like, the passive layer is mainly made of nickel-iron alloy, the content of nickel is about 40 percent, therefore, the expansion coefficient of the active layer is higher, the expansion coefficient of the passive layer is lower, after the short-circuit fault occurs at the joint of the plug body and the socket body, the temperature of the joint will rise rapidly, the heat is transferred to the heat conducting block through the heat conducting plate, and the bimetallic strip is heated, because the expansion coefficients of the two layers are not uniform, the bimetallic strip is driven to deform and then bend towards the sliding plate, and pushes the slide plate to move, then the two first contacts and the two second contacts are not electrically connected, further, the plug body and the socket body are broken to improve the safety of the connector in use.

Preferably, the inner wall of the device cavity is further provided with two sliding grooves, two ends of each sliding plate are respectively embedded with sliding blocks, and the two sliding blocks are inserted into the sliding grooves and are in sliding connection with the inner walls of the sliding grooves.

The slider slides in the inside of spout, stability when can improving the slide and remove.

Preferably, the clamping mechanism comprises clamping blocks which are respectively and slidably mounted in the two device grooves, one side of each clamping block is elastically connected with one side wall of each device groove through a third spring, a pressing plate is fixedly mounted on the other side of each clamping block, one end of each pressing plate penetrates through the other side wall of each device groove and extends to the outside of the connector, two clamping grooves are symmetrically formed in one end of the socket body, and a wedge-shaped block matched with the clamping grooves is fixedly mounted at one end of each clamping block.

When the plug body is connected with the socket body, the wedge block at one end of the clamping block can be inserted into the clamping groove in the socket body, so that the plug body and the socket body are fixed, when the plug body and the socket body are required to be disassembled, the pressing plate is directly pressed, and the clamping block is pressed to slide towards the inside of the device groove, so that the disassembly can be completed.

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

1. when connecting plug body and socket ontology, can blow off the inside deposition of socket ontology, avoid the deposition to block up in socket ontology's inside and influence the normal use of connector.

2. At the in-process that the silica gel pad was compressed, the slide bar can remove to the inside in circle chamber, and after the slide bar moved to the interior bottom in circle chamber, the connecting pipe switched on with the shower nozzle, and the inside of socket ontology can be spouted into in the short time to the gas of compression, and then blows off the deposition of the inside of socket ontology.

3. After the short-circuit fault occurs at the joint of the plug body and the socket body, the bimetallic strip deforms, then the two first contacts and the two second contacts are not electrically connected, and the plug body and the socket body are further disconnected, so that the safety of the connector in use is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the connector according to the present invention;

FIG. 3 is a top view of the internal structure of the present invention;

FIG. 4 is a schematic view of the plug body and the socket body of the present invention after they are mounted;

FIG. 5 is an enlarged view of the structure at A of the present invention;

FIG. 6 is an enlarged view of the structure at B of the present invention;

FIG. 7 is a schematic view of the internal structure of the connecting head according to the present invention;

FIG. 8 is an enlarged view of the structure at C of the present invention;

FIG. 9 is a schematic diagram of the device of the present invention with the internal circuitry turned on.

In the figure: the device comprises a connector 1, a plug body 2, a silica gel pad 3, a socket body 4, an air bag 5, a sliding rod 6, a circular cavity 7, a sealing block 8, a first spring 9, a connecting pipe 10, a spray head 11, a device cavity 12, a sliding plate 13, a second spring 14, a heat conducting plate 15, a first contact 16, a second contact 17, a heat conducting block 18, a bimetallic strip 19, a device groove 20, a third spring 21, a clamping block 22, a pressing plate 23 and a clamping groove 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 9, the invention provides a micro-USB connector, which has the following technical scheme:

a micro-USB connector comprises a connector 1 and a socket body 4, wherein one end of the connector 1 is fixedly provided with a plug body 2 matched with the socket body 4, one end of the connector 1 is also provided with a U-shaped groove, a silica gel pad 3 is fixedly arranged inside the U-shaped groove, two round cavities 7 are symmetrically arranged inside the connector 1, air injection mechanisms matched with the silica gel pad 3 and used for cleaning accumulated dust inside the socket body 4 are arranged inside the two round cavities 7, compression mechanisms matched with the air injection mechanisms and used for improving air impact force are also arranged inside the two round cavities 7, a device cavity 12 is arranged inside the connector 1, a heat conduction plate 15 is embedded at one end of the connector 1, a high-temperature prevention mechanism matched with the heat conduction plate 15 and used for timely breaking the plug body 2 is arranged inside the device cavity 12, and two sides of the connector 1 are both provided with device grooves 20, the two device slots 20 are each provided with an engaging mechanism for connecting the plug body 2 and the socket body 4, which engages with the socket body 4.

2-5, the air injection mechanism comprises a plurality of air bags 5 fixedly installed inside the silica gel pad 3 at equal intervals, the air bags 5 are communicated with the insides of the two circular cavities 7, the side walls of the two circular cavities 7 are respectively provided with a connecting pipe 10, one end of the connecting head 1 is symmetrically provided with two nozzles 11, the two connecting pipes 10 are respectively communicated with the two nozzles 11, and one end of each air bag 5 is provided with a one-way valve which only allows air to enter the air bag 5 from the outside.

When connecting plug body 2 and socket ontology 4, plug body 2 and socket ontology 4 are close to each other, then crowd into the inside in U-shaped groove with silica gel pad 3, silica gel pad 3 inside a plurality of gasbags 5 can be compressed simultaneously, gas will be impressed the inside in two round chambeies 7 afterwards, the inside of shower nozzle 11 is sent into to rethread connecting pipe 10, and then spout into socket ontology 4's inside, blow away the inside deposition of socket ontology 4, avoid the deposition to block up in socket ontology 4's inside and influence the normal use of connector.

2-5, the compression mechanism comprises sealing blocks 8 which are respectively and hermetically and slidably mounted inside two circular cavities 7, one side of each sealing block 8 is respectively and elastically connected with the side walls of the two circular cavities 7 through two first springs 9, sliding rods 6 are respectively and slidably mounted inside the two circular cavities 7, one ends of the two sliding rods 6 respectively penetrate through the side walls of the two circular cavities 7 and extend into the silica gel pad 3, and one ends of the two sliding rods 6 are both fixedly connected with the inner wall of the silica gel pad 3.

In the process that the silica gel pad 3 is compressed, the slide rod 6 can move towards the inside of the round cavity 7, the sealing block 8 is also elastically connected inside the round cavity 7, the elastic force of the first spring 9 ensures that the gas entering the round cavity 7 after being compressed can not press the sealing block 8 to move and can not enter the spray head 11 through the connecting pipe 10, however, when the silicone pad 3 is completely pressed into the U-shaped groove, the sliding rod 6 will also move to the inner bottom of the circular cavity 7 and press the sealing block 8 to move to the inner bottom of the circular cavity 7, then the connecting pipe 10 is connected with the nozzle 11, the compressed gas can be sprayed into the socket body 4 in a short time, and then the dust in the socket body 4 is blown away, because the shape of the silica gel pad 3 is also U-shaped, the bottom of the socket body 4 is not sealed by the silica gel pad 3, and the dust after blowing can be discharged from the inner bottom of the socket body 4.

7-9, the high temperature prevention mechanism includes a sliding plate 13 slidably mounted inside the device cavity 12, two first contacts 16 are symmetrically and fixedly mounted on one side wall of the device cavity 12, both the first contacts 16 are electrically connected with the internal circuit of the plug body 2, two second contacts 17 electrically connected with each other are symmetrically and fixedly mounted on one side of the sliding plate 13, the other side of the sliding plate 13 is also elastically connected with the other side wall of the device cavity 12 through a second spring 14, a heat conduction block 18 is fixedly mounted on one side wall of the device cavity 12, and a bimetallic strip 19 is embedded in one end of the heat conduction block 18.

One side of the bimetallic strip 19 close to the sliding plate 13 is an active layer, one side of the bimetallic strip 19 close to the heat conducting block 18 is a passive layer, the active layer is mainly made of manganese-nickel-copper alloy, nickel-manganese-iron alloy, nickel and the like, the passive layer is mainly made of nickel-iron alloy, the content of nickel is about 40%, the expansion coefficient of the active layer is higher, the expansion coefficient of the passive layer is lower, after a short-circuit fault occurs at the joint of the plug body 2 and the socket body 4, the temperature of the joint can be rapidly increased, heat is transferred to the heat conducting block 18 through the heat conducting plate 15, the bimetallic strip 19 is further heated, the bimetallic strip 19 is driven to deform due to the non-uniform expansion coefficient between the two layers, then the bimetallic strip is bent towards the sliding plate 13 and pushes the sliding plate 13 to move, and then the two first contacts 16 are not electrically connected with the two second contacts 17, so as to break the plug body 2 and the socket body 4, to improve the safety of the connector in use.

As an embodiment of the present invention, referring to fig. 8 to 9, the inner wall of the device cavity 12 is further provided with two sliding grooves, two ends of the sliding plate 13 are respectively embedded with sliding blocks, and both the sliding blocks are inserted into the sliding grooves and slidably connected with the inner wall of the sliding grooves.

The slider slides inside the slide groove, and the stability of the slide plate 13 during movement can be improved.

As an embodiment of the present invention, referring to fig. 4 and 6, the fastening mechanism includes two fastening blocks 22 respectively slidably mounted inside the two installation grooves 20, one side of each fastening block 22 is elastically connected to one side wall of the installation groove 20 through a third spring 21, the other side of each fastening block 22 is fixedly mounted with a pressing plate 23, one end of each pressing plate 23 penetrates through the other side wall of the installation groove 20 and extends to the outside of the connector 1, one end of the socket body 4 is symmetrically provided with two fastening grooves 24, and one end of each fastening block 22 is fixedly mounted with a wedge-shaped block matched with the fastening grooves 24.

When the plug body 2 is connected with the socket body 4, the wedge-shaped block at one end of the fixture block 22 can be inserted into the clamping groove 24 inside the socket body 4, so that the plug body 2 and the socket body 4 are fixed, when the plug body is required to be detached, the pressing plate 23 is directly pressed, and the fixture block 22 is pressed to slide towards the inside of the device groove 20, so that the detachment can be completed.

The working principle is as follows: when the plug body 2 and the socket body 4 are connected, the plug body 2 and the socket body 4 are close to each other, then the silica gel pad 3 is extruded into the inside of the U-shaped groove, meanwhile, a plurality of air bags 5 inside the silica gel pad 3 can be compressed, then, air can be pressed into the inside of two circular cavities 7, then, the air is sent into the inside of the spray head 11 through the connecting pipe 10 and further sprayed into the inside of the socket body 4, dust deposition inside the socket body 4 is blown away, the phenomenon that the dust deposition is blocked in the inside of the socket body 4 to influence the normal use of the connector is avoided, in the process of compressing the silica gel pad 3, the sliding rod 6 can move towards the inside of the circular cavity 7, because the inside of the circular cavity 7 is also elastically connected with the sealing block 8, the elastic force of the first spring 9 enables the air entering the inside of the circular cavity 7 after compression not to press the sealing block 8 to move, and also can not enter the spray head 11 through the connecting pipe 10, however, when the silicone pad 3 is completely pressed into the U-shaped groove, the sliding rod 6 will also move to the inner bottom of the circular cavity 7 and press the sealing block 8 to move to the inner bottom of the circular cavity 7, then the connecting pipe 10 is connected with the nozzle 11, the compressed gas can be sprayed into the socket body 4 in a short time, and then the soot in the socket body 4 is blown away, because the silicone pad 3 is also U-shaped, the silicone pad 3 does not seal the bottom of the socket body 4, the blown soot can be discharged from the inner bottom of the socket body 4, the side of the bimetallic strip 19 close to the sliding plate 13 is an active layer, the side of the bimetallic strip 19 close to the heat conducting block 18 is a passive layer, the active layer is mainly made of manganese-nickel-copper alloy, nickel-manganese-iron alloy, nickel and the like, the passive layer is mainly made of nickel alloy, the content of nickel is about 40%, and the expansion coefficient of the active layer is high, the expansion coefficient of the passive layer is low, after the short-circuit fault occurs at the joint of the plug body 2 and the socket body 4, the temperature at the joint can rise rapidly, heat is transferred to the heat-conducting block 18 through the heat-conducting plate 15 to further heat the bimetallic strip 19, the bimetallic strip 19 is driven to deform due to the non-uniform expansion coefficient between the two layers, then the bimetallic strip is bent towards the sliding plate 13 and pushed to move the sliding plate 13, then the two first contacts 16 and the two second contacts 17 are not electrically connected, and further the plug body 2 and the socket body 4 are broken, so that the safety of the connector in use is improved, when the plug body 2 is connected with the socket body 4, the wedge-shaped block at one end of the clamping block 22 can be inserted into the clamping groove 24 inside the socket body 4, so as to fix the plug body 2 and the socket body 4, when the plug body 2 and the socket body 4 need to be detached, the pressing plate 23 is directly pressed, and the pressing fixture block 22 slides towards the inner part of the device groove 20 to finish the disassembly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a micro-USB connector, includes connector (1) and socket ontology (4), its characterized in that: the plug comprises a socket body (4), a plug body (2) matched with the socket body (4) is fixedly installed at one end of a connector (1), a U-shaped groove is further formed in one end of the connector (1), a silica gel pad (3) is fixedly installed inside the U-shaped groove, two round cavities (7) are symmetrically formed in the connector (1), an air injection mechanism matched with the silica gel pad (3) and used for cleaning accumulated dust inside the socket body (4) is arranged inside each of the two round cavities (7), a compression mechanism matched with the air injection mechanism and used for improving gas impact force is further arranged inside each of the two round cavities (7), a device cavity (12) is formed inside the connector (1), a heat conduction plate (15) is embedded into one end of the connector (1), a high-temperature prevention mechanism matched with the heat conduction plate (15) and used for timely breaking the plug body (2) is arranged inside the device cavity (12), device groove (20), two have all been seted up to the both sides of connector (1) the inside in device groove (20) all is equipped with and socket ontology (4) complex be used for carrying out the block mechanism connected plug body (2) and socket ontology (4).

2. A micro-USB connector according to claim 1, characterized in that: air injection mechanism is including equidistant fixed mounting in a plurality of gasbags (5) of silica gel pad (3) inside, and is a plurality of gasbag (5) all are linked together, two with the inside of two circle chambeies (7) connecting pipe (10) are all installed to the lateral wall of circle chamber (7), two shower nozzles (11) are installed to the one end symmetry of connector (1), two connecting pipe (10) are linked together with two shower nozzles (11) respectively, every the one end of gasbag (5) all is equipped with and only allows gas to get into the inside check valve of gasbag (5) from the outside.

3. A micro-USB connector according to claim 1, characterized in that: compressing mechanism is including sealing respectively sealed slidable mounting at inside sealed piece (8) of two circle chambeies (7), two one side of sealed piece (8) is respectively through the lateral wall elastic connection of two first springs (9) and two circle chambeies (7), two the inside of circle chamber (7) is slidable mounting respectively has slide bar (6), two the one end of slide bar (6) runs through the lateral wall of two circle chambeies (7) respectively and extends to the inside of silica gel pad (3), two the one end of slide bar (6) all with the inner wall fixed connection of silica gel pad (3).

4. A micro-USB connector according to claim 1, characterized in that: prevent high temperature mechanism including slidable mounting at inside slide (13) of device chamber (12), a lateral wall symmetry fixed mounting of device chamber (12) has two first contacts (16), two first contact (16) all with the internal circuit electric connection of plug body (2), a lateral wall symmetry fixed mounting of slide (13) has two mutual electric connection second contact (17), the opposite side of slide (13) still through second spring (14) and another lateral wall elastic connection of device chamber (12), a lateral wall fixed mounting of device chamber (12) has heat conduction piece (18), the one end of heat conduction piece (18) is inlayed and is equipped with bimetallic strip (19).

5. A micro-USB connector according to claim 4, wherein: two sliding grooves are further formed in the inner wall of the device cavity (12), sliding blocks are embedded in two ends of the sliding plate (13) respectively, and the two sliding blocks are inserted into the sliding grooves and are connected with the inner wall of the sliding grooves in a sliding mode.

6. A micro-USB connector according to claim 1, characterized in that: clamping mechanism is including fixture block (22) of difference slidable mounting in two device groove (20) insides, one side of fixture block (22) is through a lateral wall elastic connection of third spring (21) and device groove (20), the opposite side fixed mounting of fixture block (22) has clamp plate (23), the one end of clamp plate (23) runs through another lateral wall of device groove (20) and extends to the outside of connector (1), two draw-in grooves (24) have been seted up to the one end symmetry of socket ontology (4), the one end fixed mounting of fixture block (22) have with draw-in groove (24) complex wedge.