CN211150394U

CN211150394U - Automatic change accuse electric knife switch for control

Info

Publication number: CN211150394U
Application number: CN201921616891.8U
Authority: CN
Inventors: 武杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-07-31
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to an automatic change circuit control technical field, and disclose an automatic change electric knife switch for control, which comprises a base, the plug wire groove has all been seted up to the left and right sides of base, the bottom of base has been seted up quantity and has been run through respectively and extend to two the locking wire groove at plug wire groove top, the bottom fixed mounting of base has quantity to be two and is located two respectively the spring holder of locking wire groove below, the bottom fixed mounting of base have quantity to be two and be located two respectively the first spring of the inside of spring holder. This automatic change control is with accuse electric knife switch through setting up the third spring, and when the power supply was ended to the automation control equipment, the third spring kick-backed makes and movable contact sword and two stationary contact sword break away from to make the wire disconnection in two plug-in wire grooves, unable because of the friction produces wearing and tearing between whole process movable contact sword and two stationary contact sword, thereby possessed longer life, possessed long service life's advantage.

Description

Automatic change accuse electric knife switch for control

Technical Field

The utility model relates to an automatic change circuit control technical field specifically is an automatic change accuse electric knife switch for control.

Background

The switch is the simplest one of low-voltage manually-operated switching devices, and is often used in an electrical circuit which is not frequently operated, and in order to automatically cut off the electrical circuit in the event of a short circuit or an overload, the switch is usually used in combination with a fuse in series, and the switch and the fuse are sometimes combined into one element to form a low-voltage load switch.

The traditional electric switch has the advantages of simple structure, firmness and reliability, but a screw driver is needed to be manually used to install a wire on a wiring terminal during wiring, and the service life is short due to the fact that the movable contact knife is abraded when being in contact with the static contact knife, so that the problem is solved by the electric control switch knife for automatic control.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an automatic change accuse electric switch blade for control possesses wiring convenience and long service life's advantage, needs manual use screwdriver to install the wire on the terminal when having solved the wiring, and can produce the problem that wearing and tearing lead to life weak point when movable contact sword and stationary contact sword contact.

(II) technical scheme

For the purpose of realizing above-mentioned wiring convenience and long service life, the utility model provides a following technical scheme: an electric control switch blade for automatic control comprises a base, wherein the left side and the right side of the base are respectively provided with a wire inserting groove, the bottom of the base is provided with two wire locking grooves which are respectively penetrated through and extend to the tops of the two wire inserting grooves, the bottom of the base is fixedly provided with two spring seats which are respectively positioned below the two wire locking grooves, the bottom of the base is fixedly provided with two first springs which are respectively positioned in the two spring seats, the bottoms of the two spring seats are respectively and slidably connected with a lock rod, one end of each lock rod is sequentially penetrated through the spring seats, the first springs and the base and extends to the two wire locking grooves, the outer sides of the two lock rods are respectively and fixedly provided with a first limiting block, the first springs are positioned on the outer sides of the lock rods, one end of each first spring, which is far away from the base, is fixedly connected with the limiting blocks, the inner part of the base is provided with two spring cavities which are, the spring cavities are positioned below the wire inserting grooves, the two opposite sides in the spring cavity grooves are fixedly provided with second springs, the left side and the right side of the base are respectively connected with T-shaped bolts, one ends of the T-shaped bolts sequentially penetrate through the base and the second springs and extend to the inside of the wire locking grooves in a sliding manner, the outer sides of the two T-shaped bolts are respectively fixedly provided with second limiting blocks, the opposite sides of the two second limiting blocks are respectively and fixedly connected with the two second springs, the opposite sides of the two wire locking grooves are respectively and fixedly provided with conductive blocks, one ends of the conductive blocks penetrate through and extend to the opposite sides of the wire locking grooves, the tops of the two conductive blocks are respectively and fixedly provided with static contact knives, one ends of the static contact knives extend to the upper side of the base, the tops of the base are respectively and fixedly provided with two third springs which are respectively positioned at the opposite sides of the two static contact, the inside fixed mounting of base has one end to extend to the base top and be located two the electro-magnet between the stationary contact sword, the inside fixedly connected with one end of electro-magnet runs through and extends to the signal line of base below, the insulating lid of top fixedly connected with of base.

Preferably, the static contact knife is made of iron and is square.

Preferably, the conductive block is made of iron, a wire hole located inside the wire locking groove is formed in the top of the conductive block, and the wire hole is located above the wire locking rod.

Preferably, the base is made of plastic, and the outer wall of the base is subjected to insulation treatment.

Preferably, two equal fixedly connected with locking piece in the opposite one side of T type bolt, the locking piece is right trapezoid.

Preferably, the bottom of the lock rod is subjected to insulation treatment, and the outer side of the lock rod is fixedly connected with a clamping table.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic change accuse electric switch blade for control possesses following beneficial effect:

1. this automatic change accuse electric knife switch for control, through setting up T type bolt, when needing connecting wire, the wire at both ends will be controlled inserts the plug-in wire groove respectively, two locking levers of rebound, make first stopper rebound and compress first spring, two locking levers promote two T type bolts and remove to the direction that carries on the back mutually, the locking lever promotes the wire and inserts the downthehole, the locking lever removes behind corresponding position simultaneously, break away from with T type bolt fixed connection's locking piece and locking lever, under the effect of second spring, two T type bolts remove to relative direction and pin the locking lever through the locking piece, make the wire by firm lock in the downthehole and with stationary contact sword intercommunication, thereby the connection of wire has been realized, the convenient purpose of working a telephone switchboard has been reached.

2. This automatic change control is with accuse electric knife switch, through setting up the third spring, when needing switch circuit, automatic control equipment passing signal line provides electromagnet operating voltage, the electro-magnet circular telegram produces magnetism and leads to the movable contact sword to move down and compress the third spring, and movable contact sword and two stationary contact sword contacts, make the wire circular telegram of two plug wire inslots, when automatic control equipment finishes the power supply, the third spring kick-backs, make and movable contact sword and two stationary contact sword break away from, thereby make the wire disconnection of two plug wire inslots, unable because of the friction produces wearing and tearing between whole process movable contact sword and two stationary contact sword, thereby possessed longer life, long service life's advantage has been possessed.

Drawings

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

fig. 2 is a perspective sectional view of the present invention.

In the figure: the device comprises a base 1, a slot 2, a slot 3, a slot 4, a spring seat 5, a first spring 6, a lock rod 7, a first limit block 7, a spring cavity 8, a second spring 9, a T-shaped bolt 10, a second limit block 11, a conductive block 12, a static contact knife 13, a third spring 14, a movable contact knife 15, an electromagnet 16, a signal wire 17 and an insulating cover 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an automatic control electric knife switch includes a base 1, the base 1 is made of plastic, and the outer wall of the base 1 is processed by insulation, which is characterized in that: the plug wire grooves 2 are respectively arranged at the left side and the right side of the base 1, two locking wire grooves 3 which are respectively penetrated through and extend to the tops of the two plug wire grooves 2 are arranged at the bottom of the base 1, two spring seats 4 which are respectively positioned below the two locking wire grooves 3 are fixedly arranged at the bottom of the base 1, two first springs 5 which are respectively positioned inside the two spring seats 4 are fixedly arranged at the bottom of the base 1, one ends of the bottoms of the two spring seats 4 are respectively and slidably connected with locking rods 6 which are sequentially penetrated through the spring seats 4, the first springs 5 and the base 1 and extend to the insides of the two locking wire grooves 3, the bottom of each locking rod 6 is subjected to insulation treatment, clamping platforms are fixedly connected to the outer sides of the locking rods 6, first limiting blocks 7 are respectively and fixedly arranged at the outer sides of the two locking rods 6, the first springs 5 are positioned at the outer sides of the locking rods, the inner part of the base 1 is provided with two spring cavities 8 which are respectively positioned at one side of the two lock wire grooves 3 which are opposite to each other, the spring cavities 8 are positioned below the insert wire grooves 2, the two spring cavities 8 are fixedly provided with a second spring 9 at the opposite side of the two spring cavities 8 which are opposite to each other, the left side and the right side of the base 1 are respectively connected with a T-shaped bolt 10 of which one end sequentially penetrates through the base 1 and the second spring 9 and extends to the inner part of the lock wire grooves 3 in a sliding way, when wires need to be connected, the wires at the left end and the right end are respectively inserted into the insert wire grooves 2 by arranging the T-shaped bolts 10, two lock rods 6 are moved upwards, a first limiting block 7 is moved upwards and compresses a first spring 5, the two lock rods 6 push the two T-shaped bolts 10 to move towards the opposite directions, meanwhile, the lock rods 6 push the wires to be inserted into the wire holes, under the action of the second spring 9, the two T-shaped bolts 10 move towards opposite directions and lock the lock rod 6 through the lock block, so that the wire is firmly locked in the wire hole and is communicated with the static contact knife 13, thereby realizing the connection of the wire and achieving the purpose of convenient wiring, one sides, opposite to the two T-shaped bolts 10, of the two T-shaped bolts are fixedly connected with the lock block, the lock block is in a right trapezoid shape, the outer sides of the two T-shaped bolts 10 are fixedly provided with the second limit blocks 11, the opposite sides of the two second limit blocks 11 are respectively and fixedly connected with the two second springs 9, one sides, opposite to the two lock wire grooves 3, of the two lock wire grooves 3 are fixedly provided with the conductive block 12, one end of the conductive block 12 penetrates through and extends to one side, the conductive block 12 is iron, the top of the conductive block 12 is provided with a wire hole inside the lock wire groove 3, the wire hole is positioned above the lock rod 6, the top of the two conductive blocks, the static contact knife 13 is made of iron, the static contact knife 13 is square, the top of the base 1 is fixedly provided with two third springs 14 which are respectively positioned on one side of the two static contact knives 13, which are opposite to each other, the tops of the two third springs 14 are both fixedly connected with the movable contact knife 15, the inside of the base 1 is fixedly provided with an electromagnet 16, one end of the electromagnet 16 extends to the upper side of the base 1 and is positioned between the two static contact knives 13, the inside of the electromagnet 16 is fixedly connected with a signal wire 17, one end of the signal wire 17 is penetrated through and extends to the lower side of the base 1, the top of the base 1 is fixedly connected with an insulating cover 18, one end of the signal wire 17, which is far away from the electromagnet 16, is connected with the automatic control equipment, the rated voltage of the electromagnet 16 is equal to the voltage provided by the automatic control equipment, when the circuit is required to be switched, the automatic control equipment provides the working voltage of the electromagnet 16 through the signal wire 17, and the movable contact sword 15 contacts with two stationary contact knives 13, make the wire circular telegram in two plug wire grooves 2, when the automation control equipment finishes supplying power, third spring 14 kick-backs, make and movable contact sword 15 break away from with two stationary contact knives 13, thereby make the wire disconnection in two plug wire grooves 2, unable because of the friction produces wearing and tearing between whole process movable contact sword 15 and two stationary contact knives 13, thereby possess longer life, possessed long service life's advantage.

In summary, according to the current-control switch blade for automatic control, by providing the T-shaped latch 10, when a wire needs to be connected, the wires at the left and right ends are respectively inserted into the slot 2, the two lock levers 6 are moved upward, the first stopper 7 is moved upward and compresses the first spring 5, the two lock levers 6 push the two T-shaped latches 10 to move in opposite directions, and at the same time, the lock levers 6 push the wires to be inserted into the slots, after the lock levers 6 move to corresponding positions, the lock blocks fixedly connected with the T-shaped latch 10 are separated from the lock levers 6, under the action of the second spring 9, the two T-shaped latches 10 move in opposite directions and lock the lock levers 6 through the lock blocks, so that the wires are firmly locked in the slots and communicated with the stationary contact blades, thereby achieving the connection of the wires and achieving the purpose of convenient connection, by providing the third spring 14, when the circuit needs to be switched, the automatic control device provides the electromagnet 16 through the signal line 17, the electromagnet 16 is electrified to generate magnetism, so that the movable contact knife 15 moves downwards and compresses the third spring 14, the movable contact knife 15 is in contact with the two static contact knives 13, the wires in the two inserting wire grooves 2 are electrified, when the automatic control equipment finishes power supply, the third spring 14 rebounds, the movable contact knife 15 is separated from the two static contact knives 13, so that the wires in the two inserting wire grooves 2 are disconnected, abrasion cannot be generated between the movable contact knife 15 and the two static contact knives 13 due to friction in the whole process, the service life is longer, the advantage of long service life is achieved, the problem that a screwdriver needs to be manually used to install the wires on the wiring terminals during wiring is solved, and the problem that the service life is short due to abrasion generated when the movable contact knife 15 is in contact with the static contact knives 13 is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides an automatic change control with accuse electric knife switch, includes base (1), its characterized in that: plug-in wire groove (2) have all been seted up to the left and right sides of base (1), the bottom of base (1) is seted up quantity and is two and run through respectively and extend to two the locking wire groove (3) at plug-in wire groove (2) top, the bottom fixed mounting of base (1) has quantity to be two and is located two respectively spring holder (4) of locking wire groove (3) below, the bottom fixed mounting of base (1) has quantity to be two and is located two respectively the first spring (5) of the inside of spring holder (4), two the equal sliding connection in bottom of spring holder (4) has one end to run through spring holder (4), first spring (5) and base (1) in proper order and extend to two locking bar (6) inside of locking wire groove (3), two the equal fixed mounting in the outside of locking bar (6) has first stopper (7), and first spring (5) are located the outside of locking bar (6) and first spring (5) keep away from a of base (1) The end is fixedly connected with a limiting block (7), two spring cavities (8) which are respectively positioned at one side of the two lock wire grooves (3) at the back are arranged in the base (1), the spring cavities (8) are positioned below the wire inserting grooves (2), second springs (9) are respectively and fixedly arranged at one sides of the two spring cavities (8) at the back, the left side and the right side of the base (1) are respectively and slidably connected with T-shaped bolts (10) with one ends sequentially penetrating through the base (1) and the second springs (9) and extending to the inside of the lock wire grooves (3), second limiting blocks (11) are respectively and fixedly arranged at the outer sides of the two T-shaped bolts (10), one side of the two second limiting blocks (11) at the back is respectively and fixedly connected with the two second springs (9), conductive blocks (12) with one ends penetrating through and extending to the opposite side of the lock wire grooves (3) are respectively and fixedly arranged at one side of the two lock wire grooves (3) at the back are, two the equal fixed mounting in top of conducting block (12) has static contact sword (13) that one end extends to base (1) top, and the top fixed mounting of base (1) has quantity to be two and is located two third spring (14) of one side that static contact sword (13) carried on the back mutually, two the top of third spring (14) all with movable contact sword (15) fixed connection, the inside fixed mounting of base (1) has one end to extend to base (1) top and be located two electro-magnet (16) between static contact sword (13), the inside fixedly connected with one end of electro-magnet (16) runs through and extends to signal line (17) of base (1) below, the top fixedly connected with insulating cover (18) of base (1).

2. The electric control blade for automatic control according to claim 1, wherein: the static contact knife (13) is made of iron, and the static contact knife (13) is square.

3. The electric control blade for automatic control according to claim 1, wherein: the conductive block (12) is made of iron, a wire hole in the wire locking groove (3) is formed in the top of the conductive block (12), and the wire hole is located above the locking rod (6).

4. The electric control blade for automatic control according to claim 1, wherein: the base (1) is made of plastic, and the outer wall of the base (1) is subjected to insulation treatment.

5. The electric control blade for automatic control according to claim 1, wherein: two equal fixedly connected with locking piece in the relative one side of T type bolt (10), the locking piece is right trapezoid.

6. The electric control blade for automatic control according to claim 1, wherein: the bottom of the lock rod (6) is subjected to insulation treatment, and the outer side of the lock rod (6) is fixedly connected with a clamping table.