CN113270739A

CN113270739A - Wiring terminal with automatic disconnection protection function

Info

Publication number: CN113270739A
Application number: CN202110466931.0A
Authority: CN
Inventors: 朱学础
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-08-17

Abstract

The invention discloses a connecting terminal with automatic disconnection protection function, belonging to the technical field of connecting terminals, which can realize that when a circuit is short-circuited, an elastic balloon can be spontaneously expanded due to the heating of air to drive two conductive metal sleeves to separate, thereby disconnecting the connection between leads, further effectively protecting the circuit, reducing the damage of short circuit, and the expansion of the elastic balloon can open an elastic micropore, thereby leading the compressed air in a supporting expansion cylinder to rush into the elastic balloon, accelerating the expansion of the elastic balloon, further improving the response speed of the protection function, and leading an insulating check plate to fall between the conductive metal sleeves after the conductive metal sleeves are separated through the arrangement of an insulating check plate and a bearing exhaust assembly, thereby preventing the conductive metal sleeves from being accidentally contacted, and only needing to pull the insulating check plate upwards after the problem of short circuit is solved, the wire can be reconnected, and the practicability is improved.

Description

Wiring terminal with automatic disconnection protection function

Technical Field

The invention relates to the technical field of wiring terminals, in particular to a wiring terminal with an automatic disconnection protection function.

Background

The terminal is an accessory product for realizing electrical connection, and is industrially classified into a connector category. With higher and higher industrial automation degree and stricter and more accurate industrial control requirements, the use amount of the wiring terminal gradually increases. With the development of the electronic industry, the use range of the connecting terminal is more and more, and the types of the connecting terminal are more and more. The most widely used terminals include hardware terminals, nut terminals, spring terminals, etc., in addition to PCB terminals.

When the short circuit appears in the circuit, can produce a large amount of heats, if not in time break off the wire, can cause serious consequence, and binding post among the prior art does not have short circuit protection function usually, can't be timely, quick disconnection connection between the wire, the security performance is low, and the practicality is poor. Therefore, the connecting terminal has an automatic disconnection protection function.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a connecting terminal with an automatic disconnection protection function, which can realize that when a circuit is short-circuited, an elastic balloon can be spontaneously expanded due to the heating of air to drive two conductive metal sleeves to separate so as to disconnect the connection between wires, thereby effectively protecting the circuit and reducing the damage of short circuit, and the expansion of the elastic balloon can open an elastic micropore so as to enable compressed air in a support expansion cylinder to rush into the elastic balloon and accelerate the expansion of the elastic balloon, thereby improving the response speed of the protection function, and through the arrangement of an insulating check plate and a bearing exhaust assembly, the insulating check plate can fall between the conductive metal sleeves after the conductive metal sleeves are separated so as to prevent the conductive metal sleeves from being accidentally contacted, and after the problem of short circuit is solved, only need to go up to draw insulating check plate, can release the partial air in the elasticity sacculus to make the wire reconnect, improved the practicality, still through the setting of compression tonifying qi subassembly, make be convenient for to support and inflate compressed air again in the bloated section of thick bamboo, thereby make binding post repeatedly usable, improved the practicality.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A wiring terminal with an automatic disconnection protection function comprises an insulation box, wherein insulation connectors are embedded and installed on outer walls of two sides of the insulation box, inserting slots are formed in the insulation connectors, two wire fixing rods penetrate through an outer wall of the top of the insulation box, the two wire fixing rods respectively and movably penetrate through the two insulation connectors and extend into the corresponding inserting slots, conductive metal rods are embedded and installed in the two insulation connectors, one end of each conductive metal rod penetrates through an inner wall of the bottom of each inserting slot and is located right below each wire fixing rod, conductive metal sleeves matched with the conductive metal rods are sleeved at the other ends of the two conductive metal rods, a connecting spring is connected between each conductive metal rod and each conductive metal sleeve, a linkage plate is fixedly connected to the bottom ends of the conductive metal sleeves, heat conducting wires are arranged in the insulation connectors, and a self-disconnection protection ball is arranged in the insulation box, the self-disconnecting protective ball comprises a supporting expansion cylinder fixedly mounted on the inner wall of the bottom of the insulating box, an elastic ball bag is fixedly connected to the top end of the supporting expansion cylinder, elastic micropores in a closed state are formed in the bottom end of the elastic ball bag, a limiting concave net is arranged on the inner wall of the bottom end of the elastic ball bag, an insulating check plate is arranged between the wire fixing rods, a compression air supplementing assembly is arranged on the outer wall of the insulating box, and a bearing exhaust assembly is arranged on the top end of the elastic ball bag.

Further, the gasbag is beaten including connecting the elasticity on the positive one side outer wall of insulating case to compression tonifying qi subassembly, the top fixedly connected with check valve of breathing in of gasbag is beaten to elasticity, the bottom fixedly connected with check valve of breathing in of check valve gives vent to anger, the one end intercommunication of the check valve of giving vent to anger has the connecting gas pipe, the one end that the check valve of keeping away from giving vent to anger of connecting the gas pipe runs through the outer wall of insulating case and extends and be linked together as for the inside of supporting the section of thick bamboo that expands freely, through the setting of compression tonifying qi subassembly for after the short circuit problem of circuit is solved, the accessible extrudes elasticity repeatedly and beats the gasbag, recharges the air in the elasticity sacculus, and compresses the air, thereby makes and recharges compressed air in the elasticity sacculus, and then is favorable to binding post's used repeatedly, has improved the practicality.

Furthermore, the bearing exhaust assembly comprises an exhaust pipe which penetrates through the outer wall of the top of the elastic balloon, a sealing ring is fixedly connected to the inner wall of the exhaust pipe, a blocking ring piston matched with the sealing ring is arranged in the middle of the sealing ring, a linkage rod is fixedly connected to the top end of the blocking ring piston, a bearing net is fixedly connected to the top end of the linkage rod, a guide rod is fixedly connected to the inner wall of the exhaust pipe and located above the sealing ring, the linkage rod penetrates through the guide rod and is in sliding connection with the guide rod, a supporting reset spring is sleeved on the outer wall of the linkage rod, two ends of the supporting reset spring are respectively fixedly connected with the bearing net and the guide rod, the supporting reset spring is located under the insulating check plate, and the air in the elastic balloon is heated to expand and can gradually push the blocking ring piston upwards through the bearing exhaust assembly, however, along with the falling of the insulating check plate, the insulating check plate can fall on the bearing net, under the action of the gravity of the insulating check plate, the upward movement of the blocking piston can be limited, so that the blocking piston cannot be separated from the sealing ring, after the short circuit problem of the circuit is solved, the insulating check plate is pulled upwards, the insulating check plate is made to be away from the bearing net, the blocking piston can be made to move downwards under the jacking of the air in the elastic ball bag, the upward movement is separated from the sealing ring, the exhaust pipe is made to be conducted, so that partial air in the elastic ball bag is released, the conductive metal sleeve is reset, the elastic micropores are reclosed, further, the wires are automatically reconnected, and the practicability is improved.

Further, be provided with the screw thread on the outer wall of solidus pole, the outer wall threaded connection of solidus pole and insulating case, two the one end of conductive metal cover offsets, through the setting of plug wire groove, solidus pole, when the wire is connected, peel off with the partial insulating skin of wire one end earlier to spill partial wire, then insert the depths of two plug wire grooves respectively with two wires, rotate solidus pole and make solidus pole downstream, it is fixed until solidus pole compresses tightly the wire, thereby it is fixed to make wire and conductive metal stick paste tightly, can make two wires pass through conductive metal stick, conductive metal cover connection switch on, easy operation, convenient to use, make binding post be convenient for carry out the connection of wire, the convenience has been improved.

Further, two equal fixedly connected with in bottom of electrically conductive metal covering connects magnet, two the one end of connecting magnet offsets, and two magnetism suction force of connecting between the magnet can strengthen the connection between two electrically conductive metal coverings, prevents that two electrically conductive metal coverings are unexpected to break away from, has improved the practicality.

Furthermore, one end of the heat conducting wire penetrates through the conductive metal rod, the other end of the heat conducting wire penetrates through the outer wall of the elastic ball bag in a sliding mode and extends to the inside of the elastic ball bag, the heat conducting wire penetrates through the linkage plate and is connected with the linkage plate in a sliding mode, air is filled in the elastic ball bag, and through the arrangement of the linkage plate, the heat conducting wire and the elastic ball bag, when a circuit is in short circuit, the wire can generate a large amount of heat, the heat conducting wire can conduct the heat at the wire to the air in the elastic ball bag, so that the air is heated and expanded, the elastic ball bag is driven to expand, the linkage plate can be pushed by the expansion of the elastic ball bag, the two conductive metal sleeves are separated, the connection between the wires is automatically disconnected, the circuit is effectively protected, and safety performance is remarkably improved.

Furthermore, the support expansion cylinder is filled with compressed air, the elastic micropores are in a closed state under normal conditions, but when the elastic saccule expands, the elastic micropores are opened, so that the compressed air in the support expansion cylinder can flow into the elastic saccule through the elastic micropores, the expansion of the elastic saccule is accelerated, the separation between the conductive metal sleeves is accelerated, the circuit is protected more quickly, and the safety performance is further improved, the concave limiting net is set to be in a circular arc shape matched with the elastic saccule, the concave limiting net is fixedly connected with the support expansion cylinder through a fixing pull rope, the compressed air is filled in the support expansion cylinder, so that the air pressure in the support expansion cylinder is larger than the air pressure in the elastic saccule, the bottom end of the elastic saccule has a tendency of inwards sinking under the action of the air pressure, but under the limiting action of the concave limiting net, the bottom end of the elastic saccule cannot inwards sink, thereby preventing the elastic micropore from being communicated by mistake and improving the practicability.

Further, insulating check plate adopts insulating material to make, insulating check plate slides and runs through the top outer wall of insulating case and extends to in the insulating case, and insulating check plate's bottom offsets with two conductive metal covers, and along with the separation of two conductive metal covers, insulating check plate can drop to between two conductive metal covers under the effect of gravity, plays an insulating guard action to have one to prevent before the circuit problem is solved, two conductive metal covers accidental contact, improved the security performance.

3. Advantageous effects

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

(1) according to the scheme, through the arrangement of the self-disconnection protective ball, when a circuit is in short circuit, the elastic balloon can be spontaneously expanded due to the heating of air to drive the two conductive metal sleeves to be separated, so that the connection between the wires is disconnected, the circuit is effectively protected, the short circuit hazard is reduced, and the expansion of the elastic balloon can open the elastic micropores, so that compressed air in the supporting expansion cylinder can be flushed into the elastic balloon, the expansion of the elastic balloon is accelerated, the response speed of the protection function is further improved, the insulating check plate can fall between the conductive metal sleeves after the conductive metal sleeves are separated through the arrangement of the insulating check plate and the bearing exhaust assembly, so that the conductive metal sleeves are prevented from being accidentally contacted, and after the short circuit problem is solved, the insulating check plate only needs to be lifted upwards to release partial air in the elastic balloon, so that the wires are reconnected, the practicality is improved, still through the setting of compression tonifying qi subassembly for be convenient for to supporting and fill compressed air again in the section of thick bamboo that expands smoothly, thereby make binding post repeatedly usable, improved the practicality.

(2) Through the plug wire groove, the setting of solidus pole, when the wire is connected, peel off with the partial insulating skin of wire one end earlier, thereby spill partial wire, then insert the depths of two plug wire grooves respectively with two wires, make solidus pole downstream rotating solidus pole, it is fixed to compress tightly the wire until solidus pole, thereby it is fixed to make the wire paste with the conductive metal stick, can make two wires pass through the conductive metal stick, the conductive metal cover connection switches on, and is simple in operation, high durability and convenient use, make binding post be convenient for carry out the connection of wire, and convenience is improved.

(3) The equal fixedly connected with in bottom of two conductive metal cover connects magnet, and two one ends of connecting magnet offset, and two magnetism suction forces of connecting between the magnet can strengthen the connection between two conductive metal cover, prevent that two conductive metal cover accidents from breaking away from, have improved the practicality.

(4) Through the setting of linkage board, heat conduction silk, elasticity sacculus, when the circuit short circuit, the wire can produce a large amount of heats, and the heat conduction silk can be led the heat of wire department for the air department in the elasticity sacculus to make the air inflation of being heated, and then drive the inflation of elasticity sacculus, the inflation of elasticity sacculus can promote the linkage board, makes two conductive metal cover separation, thereby automatic disconnection wire between the connection, and then plays effective protection to the circuit, is showing and is improving the security performance.

(5) The support expansion cylinder is filled with compressed air, the elastic micropores are in a closed state under normal conditions, but when the elastic saccule expands, the elastic micropores can be opened, so that the compressed air in the support expansion cylinder can flow into the elastic saccule through the elastic micropores, the expansion of the elastic saccule is accelerated, the separation between the conductive metal sleeves is accelerated, and further the circuit is protected more quickly, the safety performance is further improved, the concave limiting net is set to be in a circular arc shape matched with the elastic saccule, the concave limiting net is fixedly connected with the support expansion cylinder through the fixing pull rope, the compressed air is filled in the support expansion cylinder, so that the air pressure in the support expansion cylinder is larger than the air pressure in the elastic saccule, the bottom end of the elastic saccule has a tendency of inwards sinking under the action of the air pressure, but under the limiting action of the concave limiting net, the bottom end of the elastic saccule can not inwards sink, thereby preventing the elastic micropore from being communicated by mistake and improving the practicability.

(6) Insulating check plate adopts insulating material to make, and insulating check plate slides and runs through the top outer wall of insulating case and extend to in the insulating case, and the bottom and two conductive metal covers of insulating check plate offset, along with the separation of two conductive metal covers, insulating check plate can drop to between two conductive metal covers under the effect of gravity, plays an insulation protection effect to it prevents before the circuit problem is solved that one has, two conductive metal cover accidental contact have improved the security performance.

(7) Through the setting of bearing exhaust subassembly, make the thermal expansion of air in the elasticity sacculus, also can upwards push up gradually and move stifled ring piston, nevertheless along with the whereabouts of insulating check board, insulating check board can fall on the bearing net, under the effect of insulating check board gravity, can restrict the rebound of stifled ring piston, make stifled ring piston can't break away from the sealing ring, after the short circuit problem of circuit is solved, upwards pull insulating check board, make insulating check board keep away from the bearing net, can make the top of stifled ring piston air in the elasticity sacculus move down, the rebound breaks away from the sealing ring, make the blast pipe switch on, thereby release the partial air in the elasticity sacculus, make the conductive metal cover reset, elasticity micropore reclose, and then automatically, make the wire reconnect, and the practicality has been improved.

(8) Through the setting of compression tonifying qi subassembly for after the short circuit problem of circuit is solved, the accessible extrudees elasticity repeatedly and beats the gasbag, recharges the air in to the elasticity sacculus, and compresses the air, thereby packs into compressed air again in making the elasticity sacculus, and then is favorable to binding post's used repeatedly, has improved the practicality.

Drawings

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

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is a schematic cross-sectional view of the inside of the insulating box according to the present invention;

FIG. 4 is a schematic cross-sectional view of the elastomeric balloon of the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 4 at B according to the present invention;

figure 6 is a schematic cross-sectional view of a loadbearing exhaust assembly of the present invention.

The reference numbers in the figures illustrate:

101. an insulating case; 102. an insulated joint; 103. a wire inserting groove; 104. a wire fixing rod; 105. a conductive metal rod; 106. a conductive metal sleeve; 107. a linkage plate; 108. heat conducting wires; 109. an insulating check plate; 110. connecting a magnet; 111. a connecting spring; 201. an elastic balloon; 202. elastic micropores; 203. a recess limiting net; 204. fixing a pull rope; 205. supporting the expansion cylinder; 301. elastically inflating the air bag; 302. an air suction check valve; 303. an air outlet one-way valve; 304. connecting an air pipe; 004. a load bearing exhaust assembly; 401. an exhaust pipe; 402. a seal ring; 403. a ring plugging piston; 404. a linkage rod; 405. a load-bearing web; 406. a guide bar; 407. supporting the return spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may 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.

Example 1:

referring to fig. 1 and 3, a connection terminal with automatic disconnection protection function includes an insulation box 101, insulation joints 102 are mounted on outer walls of two sides of the insulation box 101, insertion slots 103 are formed in the insulation joints 102, two wire fixing rods 104 are arranged on an outer wall of a top portion of the insulation box 101 in a penetrating manner, the two wire fixing rods 104 respectively and movably penetrate through the two insulation joints 102 and extend into the corresponding insertion slots 103, conductive metal rods 105 are mounted in the two insulation joints 102 in a penetrating manner, one end of each conductive metal rod 105 penetrates through an inner wall of a bottom portion of the insertion slot 103 and is located right below the corresponding wire fixing rod 104, conductive metal sleeves 106 matched with the two conductive metal rods 105 are sleeved at the other ends of the two conductive metal rods 105, threads are arranged on outer walls of the wire fixing rods 104, the wire fixing rods 104 are in threaded connection with the outer walls of the insulation box 101, one ends of the two conductive metal sleeves 106 are abutted, and the two ends of the two conductive metal sleeves are connected through the insertion slots 103, Solidus pole 104's setting, when the wire is connected, peel off the partial insulating skin of wire one end earlier, thereby spill partial wire, then insert two wires respectively two plug wire grooves 103 the depths, solidus pole 104 makes solidus pole 104 downstream rotating, it is fixed until solidus pole 104 compresses tightly the wire, thereby make the wire with conductive metal stick 105 paste tight fixed, can make two wires pass through conductive metal stick 105, conductive metal cover 106 is connected and is switched on, the operation is simple, high durability and convenient use, make binding post be convenient for carry out the connection of wire, and convenience is improved.

Referring to fig. 3-4, a connecting spring 111 is connected between the conductive metal rod 105 and the conductive metal sleeve 106, the bottom ends of the two conductive metal sleeves 106 are fixedly connected with the connecting magnets 110, one end of each connecting magnet 110 is abutted, the magnetic attraction between the two connecting magnets 110 can strengthen the connection between the two conductive metal sleeves 106, prevent the two conductive metal sleeves 106 from being accidentally separated, and improve the practicability, the bottom end of the conductive metal sleeve 106 is fixedly connected with a linkage plate 107, a heat conducting wire 108 is arranged in the insulating joint 102, a self-breaking protective ball is arranged in the insulating box 101, the self-breaking protective ball comprises a supporting expansion cylinder 205 fixedly arranged on the inner wall of the bottom of the insulating box 101, an elastic balloon 201 is fixedly connected to the top end of the supporting expansion cylinder 205, one end of the heat conducting wire 108 penetrates through the conductive metal rod 105, and the other end of the heat conducting wire 108 slides through the outer wall of the elastic balloon 201 and extends to the inside of the elastic balloon 201, the heat conduction wire 108 runs through linkage plate 107 and with linkage plate 107 sliding connection, elasticity sacculus 201 intussuseption is filled with the air, through linkage plate 107, heat conduction wire 108, the setting of elasticity sacculus 201, when the circuit short circuit, the wire can produce a large amount of heats, heat conduction wire 108 can lead the heat of wire department to the air department in the elasticity sacculus 201, thereby make the air be heated the inflation, and then drive elasticity sacculus 201 inflation, the inflation of elasticity sacculus 201 can promote linkage plate 107, make two electrically conductive metal sleeves 106 separation, thereby the connection between the automatic disconnection wire, and then play effective protection to the circuit, the safety performance has been showing and has been improved.

Referring to fig. 3-5, the bottom end of the elastic balloon 201 is provided with an elastic micropore 202 in a closed state, the inner wall of the bottom end of the elastic balloon 201 is provided with a limiting concave net 203, the supporting expansion cylinder 205 is filled with compressed air, under normal conditions, the elastic micropore 202 is in a closed state, but when the elastic balloon 201 expands, the elastic micropore 202 is opened, so that the compressed air in the supporting expansion cylinder 205 can be flushed into the elastic balloon 201 through the elastic micropore 202, thereby accelerating the expansion of the elastic balloon 201 and the separation between the conductive metal sleeves 106, further quickly providing protection for circuits, further improving safety performance, the limiting concave net 203 is set to be in an arc shape matching with the elastic balloon 201, the limiting concave net 203 is fixedly connected with the supporting expansion cylinder 205 through a fixed pull rope 204, and because the supporting expansion cylinder 205 is filled with compressed air, the air pressure in the supporting expansion cylinder 205 is greater than the air pressure in the elastic balloon 201, under the effect of atmospheric pressure, the bottom of elasticity sacculus 201 has an inside sunken trend, but under the restriction of restricting concave net 203, make the bottom of elasticity sacculus 201 can't inwards cave in, and then prevent elasticity micropore 202 mistake and lead to, the practicality has been improved, be provided with insulating check plate 109 between two solidus poles 104, insulating check plate 109 adopts insulating material to make, insulating check plate 109 slides and runs through in insulating case 101's top outer wall extends to insulating case 101, and insulating check plate 109's bottom offsets with two conductive metal sleeves 106, along with the separation of two conductive metal sleeves 106, insulating check plate 109 can drop under the effect of gravity between two conductive metal sleeves 106, play an insulating guard action, thereby it is before the line problem is solved to have a plurality of prevention, two conductive metal sleeves 106 accidental contact, and the security performance is improved.

Referring to fig. 4 and 6, a bearing exhaust assembly 004 is arranged at the top end of the elastic balloon 201, the bearing exhaust assembly 004 includes an exhaust pipe 401 arranged through the outer wall of the top of the elastic balloon 201, a sealing ring 402 is fixedly connected to the inner wall of the exhaust pipe 401, a ring blocking piston 403 matched with the sealing ring 402 is arranged in the middle of the sealing ring 402, a linkage rod 404 is fixedly connected to the top end of the ring blocking piston 403, a bearing net 405 is fixedly connected to the top end of the linkage rod 404, a guide rod 406 is fixedly connected to the inner wall of the exhaust pipe 401, the guide rod 406 is located above the sealing ring 402, the linkage rod 404 penetrates through the guide rod 406 and is slidably connected to the guide rod 406, a support return spring 407 is sleeved on the outer wall of the linkage rod 404, two ends of the support return spring 407 are respectively fixedly connected to the bearing net 405 and the guide rod 406, the support return spring 407 is located right below the insulating check plate 109, and through the arrangement of the bearing exhaust assembly 004, the air in the elastic balloon 201 is heated to expand, the blocking ring piston 403 can be pushed upwards gradually, but along with the falling of the insulating check plate 109, the insulating check plate 109 can fall on the bearing net 405, the upward movement of the blocking ring piston 403 can be limited under the action of the gravity of the insulating check plate 109, so that the blocking ring piston 403 cannot be separated from the sealing ring 402, after the short circuit problem of the circuit is solved, the insulating check plate 109 is pulled upwards, the insulating check plate 109 is far away from the bearing net 405, the blocking ring piston 403 can be pushed downwards by the air in the elastic balloon 201 and moved upwards to be separated from the sealing ring 402, the exhaust pipe 401 is conducted, and therefore partial air in the elastic balloon 201 is released, the conductive metal sleeve 106 is reset, the elastic micropores 202 are closed again, the conducting wires are automatically reconnected, and the practicability is improved.

Referring to fig. 1-2, a compression air supplement assembly is disposed on the outer wall of the insulating box 101, the compression air supplement assembly includes an elastic inflating bag 301 connected to the outer wall of the front side of the insulating box 101, the top end of the elastic inflating bag 301 is fixedly connected with an air suction check valve 302, the bottom end of the air suction check valve 302 is fixedly connected with an air outlet check valve 303, one end of the air outlet check valve 303 is communicated with a connecting air pipe 304, one end of the connecting air pipe 304 far away from the air outlet check valve 303 penetrates through the outer wall of the insulating box 101 and extends to the inside of the supporting expansion cylinder 205 to be communicated, through the arrangement of the compression air supplement assembly, after the short circuit problem of the circuit is solved, the elastic inflating bag 301 can be repeatedly squeezed to re-fill air into the elastic balloon 201 and compress the air, so that the compressed air is re-filled into the elastic balloon 201, thereby facilitating the reuse of the wiring terminal, the practicability is improved.

According to the invention, through the arrangement of the self-breaking protective ball, when a circuit is short-circuited, the elastic balloon 201 can be spontaneously expanded due to the heating of air to drive the two conductive metal sleeves 106 to separate, so that the connection between the leads is broken, the circuit is effectively protected, the short-circuit hazard is reduced, and the expansion of the elastic balloon 201 can open the elastic micropores 202, so that compressed air in the supporting expansion-facilitating cylinder 205 can be flushed into the elastic balloon 201, the expansion of the elastic balloon 201 is accelerated, the response speed of the protection function is further improved, and through the arrangement of the insulating check plate 109 and the bearing exhaust assembly 004, the insulating check plate 109 can fall between the conductive metal sleeves 106 after the conductive metal sleeves 106 are separated, so that the conductive metal sleeves 106 are prevented from being contacted, and after the short-circuit problem is solved, only the insulating check plate 109 needs to be pulled upwards to release part of air in the elastic balloon 201, thereby make the wire reconnection, improved the practicality, still through the setting of compression tonifying qi subassembly for be convenient for to supporting and fill compressed air again in the li zhang zhu 205, thereby make binding post repeatedly usable, improved the practicality.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a binding post with automatic disconnection protect function, includes insulating case (101), its characterized in that: the insulating joints (102) are embedded and installed on the outer walls of two sides of the insulating box (101), a wire inserting groove (103) is formed in each insulating joint (102), two wire fixing rods (104) penetrate through the outer wall of the top of the insulating box (101), the two wire fixing rods (104) penetrate through the two insulating joints (102) respectively and movably and extend into the corresponding wire inserting grooves (103), conductive metal rods (105) are embedded and installed in the two insulating joints (102), one end of each conductive metal rod (105) penetrates through the inner wall of the bottom of each wire inserting groove (103) and is located under each wire fixing rod (104), conductive metal sleeves (106) matched with the conductive metal rods (105) are sleeved at the other ends of the two conductive metal rods (105), a connecting spring (111) is connected between each conductive metal rod (105) and each conductive metal sleeve (106), and a linkage plate (107) is fixedly connected to the bottom ends of the conductive metal sleeves (106), be provided with heat-conducting wire (108) in insulating joint (102), be provided with the protection ball of connecing certainly in insulating case (101), the protection ball of connecing certainly includes support li bloated section of thick bamboo (205) of fixed mounting on insulating case (101) bottom inner wall, the top fixedly connected with elasticity sacculus (201) of supporting li bloated section of thick bamboo (205), elasticity micropore (202) that are closed state are seted up to the bottom of elasticity sacculus (201), be provided with limited concave net (203) on elasticity sacculus (201) bottom inner wall, two be provided with insulating check plate (109) between solidus pole (104), be provided with compression tonifying qi subassembly on the outer wall of insulating case (101), the top of elasticity sacculus (201) is provided with bearing exhaust subassembly (004).

2. A terminal with automatic disconnection protection function according to claim 1, wherein: the air supply assembly comprises an air inflating bag (301) connected to the outer wall of the front side of the insulating box (101), the top end of the air inflating bag (301) is fixedly connected with an air suction one-way valve (302), the bottom end of the air suction one-way valve (302) is fixedly connected with an air outlet one-way valve (303), and one end of the air outlet one-way valve (303) is communicated with a connecting air pipe (304).

3. A terminal with automatic disconnection protection function according to claim 2, wherein: one end of the connecting air pipe (304), which is far away from the air outlet one-way valve (303), penetrates through the outer wall of the insulating box (101) and extends to the inside of the supporting expansion cylinder (205) to be communicated.

4. A terminal with automatic disconnection protection function according to claim 1, wherein: bearing exhaust subassembly (004) is including running through blast pipe (401) that elasticity sacculus (201) top outer wall set up, fixedly connected with sealing ring (402) on the inner wall of blast pipe (401), the middle part of sealing ring (402) is provided with rather than assorted stifled ring piston (403), the top fixedly connected with gangbar (404) of stifled ring piston (403), the top fixedly connected with bearing net (405) of gangbar (404), fixedly connected with guide bar (406) on the inner wall of blast pipe (401), guide bar (406) are located the top of sealing ring (402), gangbar (404) run through guide bar (406) and with guide bar (406) sliding connection, the cover is equipped with on the outer wall of gangbar (404) and supports reset spring (407).

5. A terminal with automatic disconnection protection function according to claim 4, wherein: two ends of the support return spring (407) are respectively fixedly connected with the bearing net (405) and the guide rod (406), and the support return spring (407) is positioned under the insulating check plate (109).

6. A terminal with automatic disconnection protection function according to claim 1, wherein: the outer wall of the wire fixing rod (104) is provided with threads, the wire fixing rod (104) is in threaded connection with the outer wall of the insulating box (101), and one ends of the two conductive metal sleeves (106) are abutted.

7. The connection terminal with the automatic disconnection protection function according to claim 6, wherein: the bottom ends of the two conductive metal sleeves (106) are fixedly connected with connecting magnets (110), and one ends of the two connecting magnets (110) are abutted.

8. A terminal with automatic disconnection protection function according to claim 1, wherein: one end of the heat conducting wire (108) penetrates through the conductive metal rod (105), the other end of the heat conducting wire (108) penetrates through the outer wall of the elastic balloon (201) in a sliding mode and extends into the elastic balloon (201), the heat conducting wire (108) penetrates through the linkage plate (107) and is connected with the linkage plate (107) in a sliding mode, and air is filled in the elastic balloon (201).

9. A terminal with automatic disconnection protection function according to claim 1, wherein: compressed air is filled in the supporting expansion facilitating cylinder (205), the concave limiting net (203) is arranged to be arc-shaped and matched with the elastic balloon (201), and the concave limiting net (203) is fixedly connected with the supporting expansion facilitating cylinder (205) through a fixing pull rope (204).

10. A terminal with automatic disconnection protection function according to claim 1, wherein: the insulating check plate (109) is made of insulating materials, the insulating check plate (109) penetrates through the outer wall of the top of the insulating box (101) in a sliding mode and extends into the insulating box (101), and the bottom end of the insulating check plate (109) is abutted to the two conductive metal sleeves (106).