CN108418027B - Safe type binding post - Google Patents

Abstract

The invention discloses a safe wiring terminal which comprises a terminal base, an upper connecting base, a connecting sleeve, a lower connecting base, a conducting strip, a protecting plate, a lifting cylinder, a connecting rod and the like. It sets up the protection shield through the lower extreme at the terminal seat to and set up the lift cylinder in terminal seat inside, when connecting cable, move down the protection shield through the lift cylinder and drive down the connecting seat and move down, thereby make down the conducting strip on the connecting seat break away from the adapter sleeve on the connecting seat, thereby realize going up the disconnection of connecting seat and lower connecting seat, need not close the connection that the power master just can realize the cable conductor, the security is high. The device has the advantages of simple structure, convenient operation and good practicability.

Description

A safety terminal

Technical field:

The invention belongs to the technical field of electric appliance connectors, and in particular relates to a safety terminal.

Background technique:

Terminal block is an accessory product used to realize electrical connection, which is industrially divided into the category of connectors. As the degree of industrial automation is getting higher and higher and the requirements of industrial control are becoming more and more strict and precise, the amount of terminal blocks is gradually increasing. With the development of the electronics industry, the scope of use of terminal blocks is increasing, and there are more and more types. In addition to PCB board terminals, hardware terminals, nut terminals, spring terminals, etc. are the most widely used at present.

The existing terminal is generally provided with a plurality of connection seats, which can be used for the mutual connection of a plurality of cables. The connection and fixing method of the existing terminal is generally bolt fastening connection. When connecting, the cable is plugged into the directly charged connector on the terminal, which is not safe. Therefore, it is generally necessary to turn off the power to connect. In order to connect It is more troublesome to turn off the power with one cable.

Invention content:

Therefore, the technical problem to be solved by the present invention is that the connection terminal in the prior art is poor in safety when connecting cables, and the connection needs to be powered off, so a safety connection terminal is proposed.

To achieve the above object, the technical scheme of the present invention is as follows:

A safety-type terminal block, including a terminal base, a plurality of "I"-shaped slots are formed in the terminal base, and the upper and lower ends of the slots respectively pass through the upper and lower end surfaces of the terminal base. The upper end of the slot is plugged and fixed with a rectangular upper connecting seat, and a connecting sleeve is formed on the lower end surface of the upper connecting seat, and the connecting sleeve is inserted in the middle of the slot, and the lower end of the slot is plugged into A rectangular lower connecting seat is connected, and a tapered conductive sheet is formed on the upper end surface of the lower connecting seat, and the conductive sheet is inserted into the connecting sleeve and elastically abuts against the inner side wall of the connecting sleeve .

A protective plate is installed on the upper and lower surface of the terminal base, the lower connecting base is plugged and fixed on the protective plate, the upper end surface of the protective plate is against the lower end surface of the terminal base, and the terminal base Both sides of the lower end face are formed with counterbore respectively, the cylinder body of the lifting cylinder is fixedly arranged on the bottom surface of the counterbore, the output shaft socket of the lifting cylinder is fixed with a connecting rod, and the lower end of the connecting rod is fixedly connected to the The upper end surface of the protective plate.

As a preference of the above technical solution, a number of through holes are formed on the front end surface of the terminal base, and a first fastening screw is inserted in the through hole, and the first fastening screw is screwed to the upper connecting seat superior.

As a preference of the above technical solution, a number of through holes penetrating through the bottom surface of the terminal base are formed on the front end surface of the terminal base, the through holes communicate with the slots, and a second tight hole is inserted in the through holes. fastening screw, and the second fastening screw is screwed on the lower connecting seat.

As a preference of the above technical solution, lugs are formed on both sides of the terminal base, and mounting holes are formed on the lugs.

As a preference of the above technical solution, a flange is formed on the lower end of the lower connecting seat, and the flange abuts against the lower end surface of the protective plate.

As a preference of the above technical solution, the telescopic length of the output shaft of the lifting cylinder is greater than the length of the conductive sheet protruding into the connecting sleeve.

As a preference of the above technical solution, the width of the through hole is greater than or equal to the diameter of the second fastening screw.

The beneficial effect of the present invention is that: by setting a protective plate at the lower end of the terminal base and setting a lifting cylinder inside the terminal base, when connecting cables, the protective plate is moved down by the lifting cylinder to drive the lower connecting seat to move down, so that the lower The conductive sheet on the connecting seat is separated from the connecting sleeve on the upper connecting seat, so as to realize the disconnection of the upper connecting seat and the lower connecting seat, and the connection of cables can be realized without turning off the main switch of the power supply, and the safety is high. The device has the advantages of simple structure, convenient operation and good practicability.

Description of drawings:

The following drawings are only intended to illustrate and explain the present invention schematically, and do not limit the scope of the present invention. in:

Fig. 1 is a schematic structural diagram of a safety terminal block according to an embodiment of the present invention;

Fig. 2 is a cross-sectional view of a safety terminal structure according to an embodiment of the present invention;

Fig. 3 is a schematic diagram of the internal structure of a socket according to an embodiment of the present invention.

Explanation of symbols in the figure:

1-terminal seat, 2-upper connecting seat, 3-connecting sleeve, 4-lower connecting seat, 5-conductive sheet, 6-protective plate, 7-lifting cylinder, 8-connecting rod, 9-first fastening screw, 10-second fastening screw, 101-slot, 103-through hole, 102-counterbore, 104-through hole, 105-support lug, 106-installation hole, 401-flange.

Detailed ways:

As shown in Fig. 1, Fig. 2 and Fig. 3, a safety terminal of the present invention includes a terminal base 1, and a plurality of "I"-shaped slots 101 are formed in the terminal base 1. The upper and lower ends of the slot 101 respectively pass through the upper and lower end surfaces of the terminal base 1, and the upper end of the slot 101 is plugged and fixed with a rectangular upper connection seat 2, and a connection is formed on the lower end surface of the upper connection seat 2. sleeve 3, the connecting sleeve 3 is plugged in the middle of the slot 101, the lower end of the slot 101 is plugged with a rectangular lower connecting seat 4, and the upper end surface of the lower connecting seat 4 is formed with a tapered The conductive sheet 5 is plugged into the connecting sleeve 3 and elastically abuts against the inner side wall of the connecting sleeve 3. A number of via holes 103 are formed on the front end surface of the terminal base 1. A first fastening screw 9 is inserted into the through hole 103 , and the first fastening screw 9 is screwed on the upper connecting seat 2 . The front end surface of the terminal base 1 is formed with a plurality of through holes 104 penetrating through the bottom surface of the terminal base 1 , the through holes 104 communicate with the slot 101 , and a second fastener is inserted in the through holes 104 . screw 10 , the second fastening screw 10 is screwed on the lower connecting seat 4 . Ears 105 are formed on both sides of the terminal base 1, and mounting holes 106 are formed on the ears 105. The width of the through hole 104 is greater than or equal to the diameter of the second fastening screw 10 .

A protective plate 6 is installed on the upper bottom surface of the terminal base 1, the lower connecting base 4 is plugged and fixed on the protective plate 6, and the upper end surface of the protective plate 6 is against the lower end surface of the terminal base 1 The two sides of the lower end surface of the terminal base 1 are respectively formed with counterbore holes 102, the cylinder body of the lifting cylinder 7 is fixedly arranged on the bottom surface of the counterbore hole 102, and the output shaft sleeve of the lifting cylinder 7 is fixed with a connecting rod 8. The lower end surface of the connecting rod 8 is fixedly connected to the upper end surface of the protective plate 6 . A flange 401 is formed on the lower end of the lower connecting seat 4 , and the flange 401 abuts against the lower end surface of the protection plate 6 . The telescopic length of the output shaft of the lifting cylinder 7 is greater than the length of the conductive sheet 5 protruding into the connecting sleeve 3 .

working principle:

When the cables are installed, control the lifting cylinder 7 to work, the output shaft on the lifting cylinder 7 drives the connecting rod 8 to move down, the connecting rod 8 moves down to drive the protection plate 6 to move down, and the protection plate 6 moves down to drive the lower connecting seat 4 to move down. Thereby the conductive sheet 5 on the lower connecting seat 4 is separated from the connecting sleeve on the upper connecting seat 2, thereby realizing the disconnection of the upper connecting seat and the lower connecting seat, installing cables on the lower connecting seat 4, and after the installation is completed, the lifting cylinder 7 works , the output shaft of the lifting cylinder 7 is reset, so that the connecting rod 7 and the protective plate 6 move up, so that the conductive sheet 5 on the lower connecting seat 4 is re-inserted in the connecting sleeve 3 of the upper connecting seat 2 and elastically against the connecting On the inner side wall of the sleeve 3, the electrical connection between the upper connection seat and the lower connection seat is realized.

A safety terminal described in this embodiment includes a terminal base, an upper connecting base, a connecting sleeve, a lower connecting base, a conductive sheet, a protective plate, a lifting cylinder, a connecting rod, and the like. It installs a protective plate at the lower end of the terminal base and sets a lifting cylinder inside the terminal base. When connecting cables, the protective plate is moved down by the lifting cylinder to drive the lower connecting base down, so that the conductive sheet on the lower connecting base is detached. The connection sleeve on the upper connection seat realizes the disconnection of the upper connection seat and the lower connection seat, and the connection of cables can be realized without turning off the main switch of the power supply, which has high safety. The device has the advantages of simple structure, convenient operation and good practicability.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the scope of protection of the present invention.

Claims (7)

1. A safety terminal, comprising a terminal base (1), characterized in that: the terminal base (1) is formed with a plurality of "I"-shaped slots (101), and the slots (101 ) through the upper and lower end surfaces of the terminal block (1) respectively, the upper end of the slot (101) is plugged and fixed with a rectangular upper connection seat (2), and the upper connection seat (2) A connecting sleeve (3) is formed on the lower end surface of the socket, and the connecting sleeve (3) is plugged into the middle part of the slot (101), and the lower end of the slot (101) is plugged with a rectangular lower connecting seat ( 4), the upper end surface of the lower connecting seat (4) is formed with a tapered conductive sheet (5), the conductive sheet (5) is plugged into the connecting sleeve (3) and elastically against the On the inner side wall of the connecting sleeve (3); A protective plate (6) is installed on the upper and lower surface of the terminal base (1), the lower connecting seat (4) is plugged and fixed on the protective plate (6), and the upper end surface of the protective plate (6) is against the On the lower end surface of the terminal base (1), counterbore holes (102) are respectively formed on both sides of the lower end surface of the terminal base (1), and the cylinder body of the lifting cylinder (7) is fixedly arranged on the counterbore ( 102) on the bottom surface, the output shaft sleeve of the lifting cylinder (7) is fixed with a connecting rod (8), and the lower end surface of the connecting rod (8) is fixedly connected to the upper end surface of the protective plate (6). 2. A safety terminal according to claim 1, characterized in that: a number of via holes (103) are formed on the front surface of the terminal base (1), and the via holes (103) are inserted into There is a first fastening screw (9), and the first fastening screw (9) is screwed on the upper connecting seat (2). 3. A safety terminal according to claim 1, characterized in that: the front end surface of the terminal base (1) is formed with several through holes (104) penetrating through the bottom surface of the terminal base (1), The through hole (104) communicates with the slot (101), and a second fastening screw (10) is inserted in the through hole (104), and the second fastening screw (10) is screwed on the on the lower connecting seat (4). 4. A safety terminal according to claim 1, characterized in that: lugs (105) are formed on both sides of the terminal base (1), and mounting holes are formed on the lugs (105) (106). 5. A safety type terminal according to claim 1, characterized in that: a flange (401) is formed on the lower end of the lower connecting seat (4), and the flange (401) abuts against the The lower end face of the protective plate (6). 6. A safety terminal according to claim 1, characterized in that: the telescopic length of the output shaft of the lifting cylinder (7) is longer than that of the conductive sheet (5) and extends into the connecting sleeve (3) length. 7. The safety terminal according to claim 3, characterized in that: the width of the through hole (104) is greater than or equal to the diameter of the second fastening screw (10).