2P resettable magnetic latching relay special for over-voltage and under-voltage

Abstract

The utility model discloses a 2P self-recovery over-voltage and under-voltage special-purpose magnetic latching relay comprising a housing, the housing is arranged in an inverted T-shaped structure, the housing comprises an upper housing and a pedestal, the upper housing and the pedestal are detachably and fixedly connected, an accommodating cavity is arranged in the pedestal, a manganin diverter and a circuit board are arranged in the accommodating cavity, the bottom of the pedestal is provided with a clamping groove, and the clamping groove is arranged in the clamping groove. A plurality of limiting clamping plates are arranged on one side of the bottom of the clamping groove, a sliding groove is formed in the position, on the other side of the clamping groove, of the base, a movable plug pin is slidably installed in the sliding groove, an inclined face is arranged on the inner side of the movable plug pin, a buckling position is arranged on the outer side of the movable plug pin, and limiting guide strips are installed on the positions, on the two sides of the bottom of the movable plug pin, of the sliding groove. The two sides of the movable bolt are arranged between the sliding groove and the limiting guide strip in a sliding mode, limiting elastic blocks are installed on the two sides of the movable bolt, and two sets of limiting grooves are formed in the positions, corresponding to the limiting elastic blocks, of the two sides of the sliding groove.

Description

TECHNICAL FIELD

[0001] The utility model belongs to relay technology field, concretely relates to 2P self -restoring type over -voltage and under -voltage special magnetic latching relay. BACKGROUND

[0002] 2P self -restoring type over -voltage and under -voltage special magnetic latching relay is a kind of equipment that combines self -restoring type over -voltage and under -voltage protector and magnetic latching relay function.It not only has the automatic detection and protection function of self -restoring type over -voltage and under -voltage protector, also utilizes the characteristics of magnetic latching relay to realize the automatic connection and disconnection of circuit.

[0003] 2P self -restoring type over -voltage and under -voltage special magnetic latching relay controls relay by gathering the current or voltage information in line, when overvoltage, under -voltage appears in power supply line, 2P self -restoring type over -voltage and under -voltage special magnetic latching relay can safely cut off circuit, avoid the abnormal voltage to send into terminal appliance and cause the occurrence of accident, when voltage restores normal value, relay will automatically connect circuit within the stipulated time, ensure that terminal appliance normally operates under unattended condition.

[0004] But the existing 2P self -restoring type over -voltage and under -voltage special magnetic latching relay mostly adopts bolt fixed connection, and installation and disassembly are more troublesome, the upper and lower parts of relay connecting device are all equipped with multiple springs, lead to the pressure of guide rail is larger, is not favorable for the movement of relay on guide rail to change its installation position. UTILITY MODEL CONTENTS

[0005] In view of the problems presented in the above background art, the purpose of the utility model is to provide 2P self -restoring type over -voltage and under -voltage special magnetic latching relay.

[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0007] 2P self -restoring type over -voltage and under -voltage special magnetic latching relay, including shell, the shell is arranged in convex letter type structure, the shell includes upper shell and base, the upper shell and base are detachably fixed connection, the base is equipped with accommodating cavity, the accommodating cavity is installed with manganese copper shunt and circuit board, the bottom of base is equipped with clamping groove, the bottom one side of clamping groove is equipped with multiple limit clamping plates, the base is equipped with sliding slot on the other side of clamping groove, the sliding slot is slidably installed with movable bolt, the inner side of movable bolt is equipped with inclined surface, the outer side of movable bolt is equipped with buckle position, the sliding slot is installed with limit guide strip on the bottom of movable bolt both sides, the both sides of movable bolt are slidably arranged between sliding slot and limit guide strip, the both sides of movable bolt are installed with limit elastic block, the both sides of sliding slot are equipped with two sets of limit recess at corresponding limit elastic block.

[0008] Further limited, the left and right sides of the base are provided with zero line connection port and fire line connection port, the base is provided with a metal sheet between the zero line connection port and the fire line connection port, the metal sheet is connected with the manganese copper shunt, a plurality of pins are connected on the metal sheet, the other side of the pin is connected with the circuit board, the top of the circuit board is connected with the control panel, a plurality of buttons are installed on the top of the control panel, and the control panel and the button are arranged in the upper shell. Such structure design is convenient for connection and installation.

[0009] Further limited, the right side of the upper shell is also provided with a plurality of heat dissipation openings. Such structure design can discharge the internal temperature through the heat dissipation openings during work, so that the heat dissipation effect is achieved.

[0010] Further limited, the bottom of the upper shell is provided with positioning protrusions on the front and rear sides, the positioning protrusions are arranged in a trapezoidal structure, and the top of the base is provided with positioning grooves matched with the positioning protrusions. Such structure design facilitates the positioning and assembly of the upper shell and the base through the positioning protrusions and the positioning grooves.

[0011] Further limited, the inside of the upper shell is provided with threaded hole seats on the two sides, the base is provided with positioning holes corresponding to the threaded hole seats, and the bottom of the base is provided with openings corresponding to the positioning holes, the positioning holes are provided with bolts, and the upper shell and the base are locked and connected through the bolts. Such structure design facilitates the locking and fixed connection.

[0012] The utility model discloses a fixing effect is improved after installation, can quickly fix the shell on the mounting guide rail, and can loosen the shell by pulling the buckle downwards, the position of shell on the mounting guide rail is adjusted conveniently, thereby improving the mobile adjustment effect. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model can be further illustrated by the non-limiting embodiment shown in the drawings.

[0014] Figure 1 It is the front side structure schematic diagram of the 2P self-recovery overvoltage and under-voltage special magnetic holding relay of the utility model embodiment 2;

[0015] Figure 2 It is the bottom side structure schematic diagram of the 2P self-recovery overvoltage and under-voltage special magnetic holding relay of the utility model embodiment 2;

[0016] Figure 3 It is the transverse section structure schematic diagram of the 2P self-recovery over-voltage and under-voltage special magnetic latching relay of the utility model embodiment 2;

[0017] Figure 4 It is the manganese copper shunt section structure schematic diagram of the 2P self-recovery over-voltage and under-voltage special magnetic latching relay of the utility model embodiment 2;

[0018] The main element symbol is explained as follows:

[0019] Shell 1, upper shell 2, base 3, containing cavity 4, manganese copper shunt 5, circuit board 6, clamping groove 7, limiting clamping plate 8, sliding slot 9, movable bolt 10, inclined surface 11, buckle position 12, limiting guide strip 13, limiting elastic block 14, limiting recess 15, zero line wiring port 16, fire line wiring port 17, metal sheet 18, pin 19, control board 20, button 21, heat dissipation port 22, positioning protrusion 23, positioning groove 24, threaded hole seat 25, positioning hole 26, opening 27. Specific implementation

[0020] In order for those skilled in the art to better understand the utility model, the utility model technical scheme is further explained below in combination with the drawings and embodiments.

[0021] As Figures 1-4 Indicated, the 2P self-recovery over-voltage and under-voltage special magnetic latching relay of the utility model, shell 1 is arranged in convex letter type structure, shell 1 includes upper shell 2 and base 3, and upper shell 2 and base 3 are detachably fixedly connected, and the containing cavity 4 is arranged in base 3, and the manganese copper shunt 5 and circuit board 6 are installed in containing cavity 4, and the clamping groove 7 is arranged in the bottom of base 3, and a plurality of limiting clamping plates 8 are arranged in the bottom side of clamping groove 7, and the sliding slot 9 is arranged in the other side of base 3 in clamping groove 7, and the movable bolt 10 is slidably installed in sliding slot 9, and the inclined surface 11 is arranged in the inner side of movable bolt 10, and the buckle position 12 is arranged in the outer side of movable bolt 10, and the limiting guide strip 13 is installed in the bottom of movable bolt 10 in sliding slot 9, and the movable bolt 10 is slidably arranged between sliding slot 9 and limiting guide strip 13 in two sides, and the limiting elastic block 14 is installed in two sides of movable bolt 10, and the two groups of limiting recesses 15 are arranged in the two sides of sliding slot 9 at corresponding limiting elastic block 14.

[0022] Preferably, the left and right sides of the base 3 are provided with a zero line terminal port 16 and a fire line terminal port 17, and the base 3 is provided with a metal sheet 18 between the zero line terminal port 16 and the fire line terminal port 17, the metal sheet 18 is connected with the manganese copper shunt 5, a plurality of pins 19 are connected on the metal sheet 18, the other side of the pin 19 is connected with the circuit board 6, the top of the circuit board 6 is connected with a control panel 20, a plurality of buttons 21 are installed on the top of the control panel 20, and the control panel 20 and the buttons 21 are arranged in the upper shell 2. Such a structure design is convenient for connection and installation. In fact, other installation connection structure shapes of the manganese copper shunt 5 and the circuit board 6 can also be considered according to specific conditions.

[0023] Preferably, the right side of the upper shell 2 is also provided with a plurality of heat dissipation openings 22. Such a structure design can discharge the internal temperature through the heat dissipation openings 22 during work, achieving the heat dissipation effect. In fact, other heat dissipation structure shapes of the upper shell 2 can also be considered according to specific conditions.

[0024] Preferably, the bottom of the upper shell 2 is provided with positioning protrusions 23 on the front and rear sides, the positioning protrusions 23 are arranged in a trapezoidal structure, and the top of the base 3 is provided with positioning grooves 24 matched with the positioning protrusions 23. Such a structure design facilitates the positioning and assembly of the upper shell 2 and the base 3 through the positioning protrusions 23 and the positioning grooves 24. In fact, other positioning and assembly structure shapes of the upper shell 2 and the base 3 can also be considered according to specific conditions.

[0025] Preferably, the inside of the upper shell 2 is provided with threaded hole seats 25, the base 3 is provided with positioning holes 26 corresponding to the threaded hole seats 25, the bottom of the base 3 is provided with openings 27 corresponding to the positioning holes 26, and bolts are installed in the positioning holes 26. The upper shell 2 and the base 3 are connected through bolt locking. Such a structure design is convenient for locking and fixed connection. In fact, other fixed connection structure shapes of the upper shell 2 and the base 3 can also be considered according to specific conditions.

[0026] In the embodiment, when installed and used, the base 3 is installed on a strip-shaped mounting rail through the clamping groove 7 at the bottom of the base 3, the mounting rail is provided with a hole for inserting the limiting clamping plate 8 and the movable bolt 10, so that when installed, the limiting clamping plate 8 is first installed in the hole on the mounting rail to preliminarily fix, then the buckle 12 is pushed to make the buckle 12 push the movable bolt 10 to move along the limiting guide strip 13, in the moving process of the movable bolt 10, the limiting elastic block 14 slides out of the limiting groove 15 on one side, after the movable bolt 10 pushes the inclined surface 11 to be inserted into the hole on the mounting rail, the limiting elastic block 14 slides into the limiting groove 15 on the other side, the fixing is completed, the movable bolt 10 cannot move freely through the cooperation of the limiting elastic block 14 and the limiting groove 15, and the fixing effect after installation is improved, the shell 1 can be quickly fixed on the mounting rail, and the shell 1 can be loosened by pulling the buckle 12 downward, so that the position of the shell 1 on the mounting rail is conveniently adjusted.

[0027] The above embodiment only exemplarily illustrates the principle and effect of the present application, and is not used to limit the present application. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the present application should be covered by the claims of the present application.

Claims

1. 2P self-restoring over / under-voltage special magnetic latching relay, characterized in that: The utility model relates to a manganese copper shunt, it includes shell (1), the shell (1) is arranged in the convex letter structure, the shell (1) includes upper shell (2) and base (3), upper shell (2) and base (3) are detachably fixed connection, be equipped with containing cavity (4) in base (3), manganese copper shunt (5) and circuit board (6) are installed in containing cavity (4), the bottom of base (3) is equipped with clamping groove (7), one side of the bottom of clamping groove (7) is equipped with a plurality of limit clamping plate (8), base (3) is equipped with sliding slot (9) on the other side of clamping groove (7), slidingly installed movable bolt (10) in sliding slot (9), the inner side of movable bolt (10) is equipped with inclined plane (11), the outer side of movable bolt (10) is equipped with buckle position (12), the both sides of movable bolt (10) are slidably arranged between sliding slot (9) and limit guide strip (13), limit elastic block (14) is installed on the both sides of movable bolt (10), both sides of sliding slot (9) are equipped with two sets of limit recess (15) at corresponding limit elastic block (14).

2. The 2P self-complex over / under-voltage dedicated latching relay according to claim 1, characterized in that: The left and right sides of base (3) are equipped with zero line wiring port (16) and fire line wiring port (17), base (3) is equipped with metal sheet (18) between zero line wiring port (16) and fire line wiring port (17), metal sheet (18) is connected with manganese copper shunt (5), a plurality of pins (19) are connected on metal sheet (18), the other side of pin (19) is connected with circuit board (6), control board (20) is connected on the top of circuit board (6), a plurality of buttons (21) are installed on the top of control board (20), control board (20) and button (21) are arranged in upper shell (2).

3. The 2P self-complexing over / under-voltage dedicated latching relay according to claim 2, characterized in that: The right side of upper shell (2) is also equipped with a plurality of heat dissipation openings (22).

4. The 2P self-complexing over / under-voltage dedicated latching relay according to claim 3, characterized in that: The bottom of upper shell (2) is equipped with positioning convex (23) on the front and rear sides, positioning convex (23) is arranged in trapezoidal structure, the top of base (3) is equipped with positioning groove (24) matched with positioning convex (23).

5. The 2P self-complexing over / under-voltage dedicated latching relay according to claim 4, characterized in that: The both sides of the inside of upper shell (2) are equipped with threaded hole seat (25), base (3) is equipped with positioning hole (26) at corresponding threaded hole seat (25), the bottom of base (3) is equipped with opening (27) at corresponding positioning hole (26), bolt is installed in positioning hole (26), upper shell (2) and base (3) are connected through bolt locking.

Images