Rectifier bridge with connecting terminals

Abstract

The utility model relates to a rectifier bridge with a connecting terminal, which comprises a rectifier bridge, the rectifier bridge comprises a rectifier bridge body, a first pin and a second pin which are arranged in the middle, and the rectifier bridge also comprises a protective cover which wraps the rectifier bridge; the protective cover comprises a main shell, a top cover and a plurality of screws for connecting the main shell and the top cover; wherein the main shell is provided with accommodating cavities corresponding to the second pins, each accommodating cavity is internally provided with a wiring pin, and the wiring pins are positioned right above the second pins; a vertically-arranged sliding groove is formed between the two containing cavities, the push rod body is located in the sliding groove and slides up and down, the left side and the right side of the rear end of the push rod body are connected with the two wiring pins respectively, and the push rod body is lifted to drive the wiring pins to move together; a pre-tightening pressing rod is further arranged at the top of the wiring pin, the pre-tightening pressing rod is spirally connected with the top cover, the pre-tightening pressing rod is rotated so that the pre-tightening pressing rod can move downwards and abut against the top of the wiring pin to press the wire, and the scheme can effectively protect the rectifier bridge and can be rapidly connected with the external wire.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rectifier bridge with connecting terminals in the technical field of semiconductor. BACKGROUND

[0002] The rectifier is a rectifying device, which is a device for converting alternating current (AC) to direct current (DC) in simple terms. It has two main functions: first, it converts alternating current (AC) to direct current (DC) and supplies it to the load after filtering, or to the inverter; second, it provides a charging voltage for the battery. Therefore, it also plays the role of a charger.

[0003] In a rectifier bridge with connecting terminals disclosed in Chinese invention patent application publication CN113707635A, although it has the advantages of simple structure, low manufacturing cost, and improved patch efficiency, it lacks protection for the rectifier bridge during use. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a rectifier bridge with connecting terminals to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A rectifier bridge with connecting terminals, comprising a rectifier bridge, the rectifier bridge comprising a rectifier bridge body in the middle, a pair of first pins for connecting to a circuit board at one end, and a pair of second pins for connecting external wires at the other end;

[0007] It also includes a protective cover that covers the rectifier bridge;

[0008] The protective cover includes a main housing, a top cover, and a plurality of screws connecting the two;

[0009] Among them, the main housing has a receiving cavity corresponding to the second pin, and each receiving cavity is provided with a terminal pin, which is located directly above the second pin;

[0010] A vertically arranged chute is provided between the two receiving cavities, and a push rod body is located in the chute and slides up and down, the left and right sides of the rear end of the push rod body are connected with the two terminal pins respectively, and lifting the push rod body drives the terminal pins to move together;

[0011] A pre-tightening compression rod is also provided on the top of the terminal pin, and the pre-tightening compression rod is screw-connected with the top cover, and rotating the pre-tightening compression rod realizes the downward movement of the pre-tightening compression rod and the compression of the wire on the top of the terminal pin.

[0012] Further, the terminal lug comprises a terminal lug body, a lower surface of the terminal lug body is provided with a clamping hole for clamping the wire;

[0013] An upper surface of the terminal lug body is provided with a circular ring body, the circular ring body has a blind hole with a top opening, and the pre-tightening pressing rod is inserted into the blind hole when moving downward.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The scheme can effectively protect the rectifier bridge and can realize fast connection of external wires. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the overall structure of the utility model;

[0017] Figure 2 It is a side view of the utility model;

[0018] Figure 3 It is a first sectional view of the utility model;

[0019] Figure 4 It is a second sectional view of the utility model.

[0020] In the drawings:

[0021] 1-protective cover; 2-terminal lug; 3-pre-tightening pressing rod; 4-push rod body; 5-rectifier bridge;

[0022] 11-main shell, 12-screw, 13-top cover;

[0023] 11a-containing cavity, 11b-sliding groove;

[0024] 21-terminal lug body, 22-circular ring body;

[0025] 51-rectifier bridge body, 52-first pin, 53-second pin. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1 to 4 The utility model provides a technical scheme:

[0028] A rectifier bridge with connecting terminals, comprising a rectifier bridge 5, the rectifier bridge 5 comprising a rectifier bridge body 51 in the middle, a pair of first pins 52 at one end for connecting to a circuit board and a pair of second pins 53 at the other end for connecting external wires, and further comprising a protective cover 1 covering the rectifier bridge 5;

[0029] The protective cover 1 comprises a main housing 11, a top cover 13 and a plurality of screws 12 connecting the two;

[0030] The main housing 11 has a receiving cavity 11a corresponding to the second pin 53, and a terminal pin 2 is arranged in each receiving cavity 11a, which is located directly above the second pin 53;

[0031] A vertically arranged sliding groove 11b is arranged between the two receiving cavities 11a, and a push rod body 4 is arranged in the sliding groove 11b and slides up and down, the left and right sides of the rear end of the push rod body 4 are connected with the two terminal pins 2 respectively, and lifting the push rod body 4 drives the terminal pin 2 to move together;

[0032] A pre-tightening pressure rod 3 is further arranged on the top of the terminal pin 2, the pre-tightening pressure rod 3 is screw-connected with the top cover 13, and rotating the pre-tightening pressure rod 3 realizes the downward movement of the pre-tightening pressure rod 3 and the pressing of the wires on the top of the terminal pin 2, which can effectively protect the rectifier bridge 5 and realize the quick connection of external wires.

[0033] The front and rear ends of the main housing 11 are of open structure, which is helpful for heat dissipation, and further improving the heat dissipation efficiency can be achieved by adding heat dissipation holes on the outer surface of the main housing 11.

[0034] Please refer to Figures 2 to 4 The terminal pin 2 comprises a terminal pin body 21, and the lower surface of the terminal pin body 21 is provided with a card hole for clamping the wires;

[0035] The upper surface of the terminal pin body 21 is provided with a circular ring body 22, the circular ring body 22 has a blind hole with an open top, and the pre-tightening pressure rod 3 is inserted into the blind hole when it moves downward.

[0036] The circular ring body 22 can better butt joint the pre-tightening pressure rod 3.

[0037] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A rectifier bridge with connection terminals, comprising a rectifier bridge including a rectifier bridge body in the middle, a pair of first pins at one end for connection to a circuit board and a pair of second pins at the other end for connection to external wires, characterized in that, The protection cover comprises a main shell, a top cover and a plurality of screws connecting the main shell and the top cover; The main shell has accommodating cavities corresponding to the second pins, and each accommodating cavity is provided with a pin, which is located directly above the second pin; A vertical chute is arranged between the two accommodating cavities, and a push rod body is arranged in the chute and slides up and down, the left and right sides of the rear end of the push rod body are connected with the two pins, and lifting the push rod body drives the pins to move together; A pre-tightening pressure rod is arranged on the top of the pin, the pre-tightening pressure rod is screw-connected with the top cover, and rotating the pre-tightening pressure rod realizes the downward movement of the pre-tightening pressure rod and the pressing of the wire on the top of the pin. The pin comprises a pin body, and the lower surface of the pin body is provided with a card hole for clamping the wire; 2. The rectifier bridge with connecting terminals according to claim 1, characterized in that: The upper surface of the pin body is provided with a circular ring body having a blind hole with an open top, and the pre-tightening pressure rod is inserted into the blind hole when it moves downward. ​

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