CN107492470B - Relay - Google Patents

Abstract

The invention relates to the technical field of relays, in particular to a relay, which comprises a bottom shell, and a first terminal and a second terminal which are inserted into the bottom shell, wherein the first terminal sequentially comprises an insertion part, a first clamping part, an installation part, a second clamping part and a first contact part, the two ends of the second terminal are respectively provided with a third clamping part and a second contact part which are arranged in a crossed manner, the bottom shell is provided with a first working slot and a second working slot, and the first terminal and the second terminal are respectively arranged in the first working slot and the second working slot. The invention relates to a relay, which is provided with a first terminal and a second terminal with clamping structures, wherein a bottom shell is provided with a first working slot for installing the first terminal and a second working slot for installing the second terminal, so that the first terminal and the second terminal are firmly installed in the first working slot and the second working slot, the integral structure is stable, the looseness is not easy to occur, and the service life is long.

Description

a relay

technical field

The invention relates to the technical field of relays, in particular to a relay.

Background technique

A relay is an electrical control device, which is an electrical appliance that makes a predetermined step change in the controlled quantity in the electrical output circuit when the change of the input quantity (excitation quantity) reaches the specified requirements. It has an interactive relationship between the control system (also known as the input loop) and the controlled system (also known as the output loop). Usually used in automated control circuits, it is actually an "automatic switch" that uses a small current to control the operation of a large current. Therefore, it plays the role of automatic adjustment, safety protection, and conversion circuit in the circuit.

At present, the relays on the market have an interactive relationship between the control circuit and the working circuit. Opening and closing the circuit for many times will easily loosen the connecting parts of the working circuit, resulting in the failure of the working circuit to be connected.

SUMMARY OF THE INVENTION

The purpose of the present invention is to address the above deficiencies in the prior art, to provide a relay, which is provided with a first terminal and a second terminal with a clamping structure, and the bottom case is provided with a first working slot for installing the first terminal. and a second working slot for installing the second terminal, so that the first terminal and the second terminal are firmly installed in the first working slot and the second working slot, so that the overall structure is stable, not easy to loosen, and has a long service life. long.

The object of the present invention is achieved through the following technical solutions:

A relay, comprising a bottom case, a first terminal and a second terminal inserted in the bottom case, the first terminal comprising an insertion part, a first clamping part, an installation part, a second clamping part and The first contact part, the first clamping part is perpendicular to the installation part, the second clamping part is perpendicular to the installation part, the first clamping part and the second clamping part are perpendicular to each other, and the two ends of the second terminal are respectively provided with The third clamping part and the second contact part are arranged crosswise, the bottom case is provided with a first working slot and a second working slot, and the first working slot is provided with a first clamping area and an installation area that are connected in sequence and the second clamping area, the first clamping part is installed in the first clamping area, the installation part is installed in the installation area, the second clamping part is installed in the second clamping area, and the second working plug is installed in the second clamping area. The slot is provided with a third clamping area and a fourth clamping area, the third clamping part is installed in the third clamping area, and the second contact part is installed in the fourth clamping area.

Wherein, the relay further includes two power terminals inserted in the bottom case.

The relay further includes an electromagnetic device, the two power terminals are used to supply power to the electromagnetic device, the electromagnetic device is provided with a clamping slot for accommodating the power terminal, the power terminal is provided with a bent portion, and the bent portion passes through the card Slot.

Wherein, the protective relay also includes a connecting device, the connecting device includes a yoke, an armature and a moving reed, the yoke is clamped with the bottom case, one end of the moving reed is mounted on the yoke, and the other end of the moving reed is connected to the armature connect.

Wherein, the electromagnetic device is provided with a fixed connection end for connecting the yoke and a working end for attracting the armature.

Wherein, the movable reed is provided with a first movable contact end and a second movable contact end, and the first movable contact end is connected with the second movable contact end.

Wherein, the first contact portion is provided with a first static contact end used in cooperation with the movable contact end, and the second contact portion is provided with a second static contact end used in cooperation with the second movable contact end.

Wherein, the bottom case is further provided with a side plate for protecting the first movable contact end, and the first movable contact end is located between the first static contact end and the side plate.

Wherein, the relay also includes a casing covered on the outer side of the bottom casing, and the casing is provided with a mounting hole for installation.

Beneficial effects of the present invention: a relay of the present invention is provided with a first terminal and a second terminal with a clamping structure, and the bottom case is provided with a first working slot for installing the first terminal and a second terminal for installing the first terminal. The second working slot of the two terminals enables the first terminal and the second terminal to be firmly installed in the first working slot and the second working slot, so that the overall structure is stable, not easy to loosen, and has a long service life.

Description of drawings

The invention will be further described by using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention. For those of ordinary skill in the art, under the premise of no creative work, other Attached.

FIG. 1 is a schematic diagram of an exploded structure of a bottom case, a first terminal and a second terminal of the present invention.

FIG. 2 is a schematic diagram of the exploded structure of the electromagnetic device, the power terminal and the connecting device of the present invention.

FIG. 3 is a schematic view of the assembly of the electromagnetic device, the power terminal and the connecting device of the present invention.

FIG. 4 is a schematic diagram of the overall structure of the present invention.

Reference numerals include:

1—the bottom case; 11—the first working slot; 111—the first clamping area; 112—the installation area; 113—the second clamping area; 12—the second working slot; 121— - the third card setting area; 122 - the fourth card setting area; 13 - side panel;

2—first terminal; 21—insertion part; 22—first clamping part; 23—installation part; 24—second clamping part; 25—first contact part; 251—first a static contact;

3 - the second terminal; 31 - the third clamping part; 32 - the second contact part; 321 - the second static contact;

4——Power terminal; 41——Bending part;

5—Electromagnetic device; 51—Clamping slot; 52—Fixed connection part; 53—Working end;

6—connection device; 61—yoke; 62—armature; 63—moving reed; 631—first moving contact; 632—second moving contact;

7—shell; 71—installation hole.

Detailed ways

The present invention will be further described with reference to the following embodiments and accompanying drawings.

As shown in FIG. 1, a relay includes a bottom case 1, a first terminal 2 and a second terminal 3 inserted in the bottom case 1, and the first terminal 2 includes an insertion portion 21 and a first card connected in sequence. The setting part 22, the mounting part 23, the second clamping part 24 and the first contact part 25, the first clamping part 22 is perpendicular to the installation part 23, the second clamping part 24 is perpendicular to the installation part 23, and the first clamping part 22 is perpendicular to the installation part 23. The setting part 22 and the second clamping part 24 are perpendicular to each other, the two ends of the second terminal 3 are respectively provided with a third clamping part 31 and a second contact part 32 arranged in a cross, and the bottom case 1 is provided with a first working plug. The slot 11 and the second working slot 12, the first working slot 11 is provided with a first clamping area 111, an installation area 112 and a second clamping area 113 which are connected in sequence, and the first clamping part 22 is installed in the first In the clamping area 111 , the installation portion 23 is installed in the installation area 112 , the second clamping portion 24 is installed in the second clamping area 113 , and the second working slot 12 is provided with a third clamping area 121 and a second clamping area 121 . Four clamping areas 122 , the third clamping portion 31 is installed in the third clamping area 121 , and the second contact portion 32 is installed in the fourth clamping area 122 . A relay of the present invention is provided with a first terminal 2 and a second terminal 3 with a clamping structure, and the bottom case 1 is provided with a first working slot 11 for installing the first terminal 2 and a second working slot 11 for installing the second terminal. The second working slot 12 of the terminal 3 enables the first terminal 2 and the second terminal 3 to be firmly installed in the first working slot 11 and the second working slot 12, so that the overall structure is stable, not easy to loosen, and has a long service life .

As shown in FIG. 1 and FIG. 2 , the relay of the present invention further includes an electromagnetic device 5 and two power terminals 4 inserted into the bottom case 1 . There are two power terminals 4 , and when inserted into the control circuit, the control circuit is connected to make the electromagnetic device 5 work. The two power terminals 4 are used for supplying power to the electromagnetic device 5. The electromagnetic device 5 is provided with a snap groove 51 for accommodating the power terminal 4. The power terminal 4 is provided with a bent portion 41, and the bent portion 41 passes through the snap slot. 51. Specifically, the bent portion 41 is arranged horizontally, and the bent portion 41 is penetrated through the clamping slot 51 so that the power terminal 4 and the electromagnetic device 5 are firmly connected.

As shown in FIG. 3 , the protective relay of the present invention further includes a connecting device 6 . The connecting device 6 includes a yoke 61 , an armature 62 and a moving reed 63 . The yoke 61 is clamped to the bottom case 1 , and one end of the moving reed 63 is installed Set on the yoke 61 , the other end of the movable spring 63 is connected to the armature 62 . The electromagnetic device 5 is provided with a fixed connection end 52 for connecting the yoke 61 and a working end 53 for attracting the armature 62 . The yoke 61 is L-shaped, the fixed connection end 52 of the electromagnetic device 5 is connected to one end of the yoke 61 , and the working end 53 of the electromagnetic device 5 is opposite to the armature 62 . The working end 53 approaches, and drives the moving reed 63 to approach the working end 53 of the electromagnetic device 5, so that the relay forms a closed loop, which makes the magnetic properties of the relay better. The movable reed 63 of the present invention is provided with a first movable contact end 631 and a second movable contact end 632 , and the first movable contact end 631 is connected with the second movable contact end 632 .

The first contact portion 25 is provided with a first stationary contact end 251 for cooperating with the movable contact end, and the second contact portion 32 is provided with a second stationary contact end 321 for cooperating with the second movable contact end 632 . The movable reed 63 is attracted by the electromagnetic device 5, the first movable contact end 631 is connected with the first stationary contact end 251, the second movable contact end 632 is connected with the second stationary contact end 321, and the movable reed 63 is made of metal material. The first movable contact end 631 is connected with the second movable contact end 632, so that the first static contact end 251 and the second static contact end 321 are electrically connected, and the working circuit is connected.

As shown in FIG. 1 , FIG. 3 and FIG. 4 , the bottom case 1 of the present invention is further provided with a side plate 13 for protecting the first movable contact end 631 , and the first movable contact end 631 is located between the first static contact end 251 and the side plate between 13. When the electromagnetic device 5 is working, the moving shrapnel approaches the electromagnetic device 5 under the magnetic force. When the electromagnetic device 5 is not working, the moving shrapnel returns to its natural state and rebounds away from the electromagnetic device 5. During the rebounding process, the moving elastic end easily rebounds. Excessive collision with the housing 7 will damage the moving shrapnel. The side plate 13 can play a buffering role. The material of the side plate 13 is relatively soft and can protect the first moving end. At the same time, the relay also includes a casing 7 which is covered on the outside of the bottom case 1, and the casing 7 is provided with a mounting hole for installation. 71, which is convenient for the installation of the relay. Preferably, the installation hole 71 is provided directly above the housing 7, which is convenient for the hoisting and installation of the relay.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, not to limit the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that , the technical solutions of the present invention may be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention.

Claims (4)

1. A relay, characterized in that: it comprises a bottom case (1), a first terminal (2) and a second terminal (3) inserted in the bottom case (1), and the first terminal (2) comprises sequentially The connected insertion part (21), the first clamping part (22), the mounting part (23), the second clamping part (24) and the first contact part (25), the first clamping part (22) and the The mounting portion (23) is arranged vertically, the second clamping portion (24) is vertically arranged with the mounting portion (23), the first clamping portion (22) and the second clamping portion (24) are perpendicular to each other, and the second terminal (3) ) are respectively provided with a third clamping part (31) and a second contact part (32) arranged in a cross manner, and the bottom case (1) is provided with a first working slot (11) and a second working slot (12), the first working slot (11) is provided with a first clamping area (111), an installation area (112) and a second clamping area (113) that are connected in sequence, and the first clamping part (22) is installed are arranged in the first clamping area (111), the installation part (23) is installed in the installation area (112), the second clamping part (24) is installed in the second clamping area (113), and the second clamping part (24) is installed in the second clamping area (113). The working slot (12) is provided with a third clamping area (121) and a fourth clamping area (122). The third clamping part (31) is installed in the third clamping area (121), and the second contact The part (32) is installed in the fourth clamping area (122); Wherein, the relay further comprises two power terminals (4) inserted in the bottom case (1); Wherein, the relay further comprises an electromagnetic device (5), two power terminals (4) are used to supply power to the electromagnetic device (5), and the electromagnetic device (5) is provided with a clamping slot ( 51), the power terminal (4) is provided with a bending part (41), and the bending part (41) is penetrated in the clamping groove (51); Wherein, the relay further includes a connecting device (6), the connecting device (6) includes a yoke (61), an armature (62) and a moving reed (63), and the yoke (61) is clamped to the bottom case (1) , one end of the movable reed (63) is installed on the yoke (61), and the other end of the movable reed (63) is connected with the armature (62); Wherein, the movable reed (63) is provided with a first movable contact end (631) and a second movable contact end (632), and the first movable contact end (631) is connected with the second movable contact end (632); Wherein, the electromagnetic device (5) is provided with a fixed connection end (52) for connecting the yoke (61) and a working end (53) for attracting the armature (62). 2 . The relay according to claim 1 , wherein the first contact portion ( 25 ) is provided with a first static contact terminal ( 251 ) used in cooperation with the movable contact terminal ( 631 ). The second contact portion (32) is provided with a second static contact end (321) used in cooperation with the second movable contact end (632). 3. A relay according to claim 1, characterized in that: the bottom case (1) is further provided with a side plate (13) for protecting the first movable contact (631), the first movable contact (631). 631) is located between the first static contact end (241) and the side plate (13). 4. A relay according to claim 1, characterized in that: the relay further comprises a casing (7) covered on the outer side of the bottom casing (1), and the casing (7) is provided with an installation for installation hole (71).

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