Movable reed structure in relay

Abstract

The utility model relates to a movable contact spring structure in a relay, and belongs to the technical field of electromagnetic relay manufacturing. The movable reed structure in the relay comprises a movable reed main leaf, a first supporting sheet, a second supporting sheet, a third supporting sheet, an arc contact, a connection contact, a contact elastic sheet, a first elastic fulcrum and a second elastic fulcrum, and the first supporting sheet, the second supporting sheet and the third supporting sheet are sequentially connected and then matched with the movable reed main leaf to form a stacked structure. The first supporting sheet, the second supporting sheet, the third supporting sheet and the movable spring main sheet are respectively provided with a first through hole and a second through hole which are corresponding to each other. The arc contact and the switch-on contact are respectively matched with the first through hole and the second through hole. The contact elastic sheet is connected with the movable spring main sheet and is provided with an elastic fulcrum 1 and an elastic fulcrum 2. The device is simple and reasonable in structural design, safe and reliable, uniform in pressure of large and small contacts, and capable of meeting use requirements.

Description

Technical Field

[0001] The utility model relates to a movable reed structure, in particular to a movable reed structure in a relay, and belongs to the technical field of electromagnetic relay manufacturing. Background Art

[0002] The structural design of this application is mainly to solve the problem of uneven contact pressure caused by the structural limitations of the pusher when the magnetic mechanism pushes the main plate of the dynamic spring on the previous contact. The thrust fulcrum is near the axis of the large contact. If the elastic fulcrum B is below the small contact, the thrust fulcrum is far away from the elastic fulcrum. In this way, when the pusher applies pressure to the contact elastic plate, the uneven force points will cause the pusher to be subjected to a relatively large component force in the Y-axis direction. This causes the pusher to rotate around the thrust fulcrum by a certain angle, which will affect the pressure of the large and small contacts, causing the pressure of the large contact to increase and the pressure of the small contact to decrease.

[0003] Therefore, it is particularly necessary to provide a movable reed structure in a relay with a reasonable structural design and uniform pressure between large and small contacts. Utility Model Content

[0004] The purpose of the present utility model is to overcome the above-mentioned deficiencies in the prior art and to provide a movable reed structure in a relay which has a simple and reasonable structural design, is safe and reliable, and has uniform pressure between large and small contacts.

[0005] The technical solution adopted by the present invention to solve the above-mentioned problem is as follows: the movable spring structure in the relay includes a movable spring main plate, and is characterized in that it also includes a supporting plate 1, a supporting plate 2, a supporting plate 3, an arc contact, a connection contact, a contact elastic plate, an elastic fulcrum 1 and an elastic fulcrum 2, wherein the supporting plate 1, the supporting plate 2 and the supporting plate 3 are connected in sequence and matched with the movable spring main plate to form a superimposed structure; the supporting plate 1, the supporting plate 2, the supporting plate 3 and the movable spring main plate are respectively provided with corresponding through holes 1 and 2, and the arc contact and the connection contact are matched with the through holes 1 and 2 respectively; the contact elastic plate is connected to the movable spring main plate, and the contact elastic plate is provided with elastic fulcrum 1 and elastic fulcrum 2.

[0006] Preferably, the supporting piece 1, supporting piece 2, supporting piece 3 and the main piece of the dynamic spring of the present invention are all provided with a plurality of mounting holes fixed on the dynamic spring seat.

[0007] Preferably, the supporting piece 1, the supporting piece 2 and the supporting piece 3 of the present invention are all used for shunting, and the main piece of the dynamic spring is used for shunting and generating contact pressure.

[0008] Preferably, the present invention further comprises a pushing piece and a thrust fulcrum, wherein the contact point between the pushing piece and the contact elastic piece on the main piece of the dynamic spring is the thrust fulcrum, and the thrust fulcrum is in contact with the contact elastic piece.

[0009] Preferably, the contact elastic piece of the utility model is connected to the main piece of the dynamic spring as a whole.

[0010] Compared with the existing technology, the utility model has the following advantages and effects: the overall structural design is reasonable, safe and reliable, and by adjusting the position of the elastic fulcrum B, the distance from the thrust fulcrum to the elastic fulcrum is reduced, the force arm is reduced so that the force of the contact spring is uniform, and the rotation angle of the push piece is reduced, so that the pressure of the large and small contacts is uniform, meeting the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the split structure of an embodiment of the utility model.

[0012] Figure 2 It is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0013] Figure 3 It is a schematic top view of the structure of an embodiment of the present utility model.

[0014] Figure 4 It is a schematic diagram of the main structure of an embodiment of the present utility model.

[0015] Figure 5 It is a structural schematic diagram of an embodiment of the utility model provided with a contact elastic sheet.

[0016] Figure 6 It is a schematic diagram of the matching structure of the embodiment of the utility model and the push piece.

[0017] Figure 7 It is a schematic diagram of the main structure of the embodiment of the utility model in cooperation with the push piece.

[0018] Figure 8 It is a schematic top view of the structure of the embodiment of the utility model in cooperation with the push piece.

[0019] Figure 9 It is a side view structural diagram of the embodiment of the utility model in cooperation with the push piece.

[0020] In the figure: supporting piece 1, supporting piece 2, supporting piece 3, main piece of movable spring 4, arc contact 5, connection contact 6, through hole 1 7, through hole 2 8, mounting hole 9, contact elastic piece 10, elastic fulcrum 1 11, elastic fulcrum 2 12, pushing piece 13, thrust fulcrum 14, force rotation direction F. DETAILED DESCRIPTION

[0021] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.

[0022] Example

[0023] See also Figures 1 to 9 The dynamic spring structure in the relay of this embodiment includes a dynamic spring main plate 4, a supporting plate 1, a supporting plate 2, a supporting plate 3, an arcing contact 5, a connection contact 6, a contact spring plate 10, a first elastic fulcrum 11, and a second elastic fulcrum 12. The supporting plate 1, the supporting plate 2, and the supporting plate 3 are sequentially connected and matched with the dynamic spring main plate 4 to form a stacked structure. The supporting plate 1, the supporting plate 2, the supporting plate 3, and the dynamic spring main plate 4 are respectively provided with corresponding first through hole 7 and second through hole 8. The arcing contact 5 and the connection contact 6 match the first through hole 7 and the second through hole 8, respectively.

[0024] The arcing contact 5 and the connection contact 6 in this embodiment correspond to the static contacts of the relay.

[0025] In this embodiment, a plurality of mounting holes 9 fixed to the dynamic spring seat are formed on the supporting piece 1 , the supporting piece 2 2 , the supporting piece 3 3 and the dynamic spring main piece 4 .

[0026] In this embodiment, the supporting piece 1, the supporting piece 2, and the supporting piece 3 are all used for shunting, and the main piece 4 of the movable spring is used for shunting and generating contact pressure.

[0027] In this embodiment, the contact spring piece 10 is integrated with the dynamic spring main piece 4. The contact spring piece 10 is formed at a certain angle through a bending process. The contact spring piece 10 is provided with a first elastic fulcrum 11 and a second elastic fulcrum 12.

[0028] In this embodiment, the contact elastic sheet 10 is provided with an elastic fulcrum 11 and an elastic fulcrum 2 12. After the contact elastic sheet 10 undergoes a bending process, there is a fulcrum on the bending point and the supporting sheet 3 3. When the contact elastic sheet 10 is subjected to pressure, it applies pressure to the supporting sheet 3 3 through the fulcrum, thereby transmitting the pressure to the contact.

[0029] Adjust the upper and lower positions of the elastic fulcrums (in the Y direction) so that the thrust fulcrum 14 is close to the central symmetry line of the elastic fulcrums 11 and 12.

[0030] In this embodiment, the contact point between the push piece 13 and the contact elastic piece 10 on the dynamic spring main piece 4 is the thrust fulcrum 14. The thrust fulcrum 14 is in contact with the contact elastic piece 10. When the push piece 13 moves in the -X direction, the push piece 13 will transmit pressure to the contact elastic piece 10 through the thrust fulcrum 14.

[0031] In the existing use, when the push piece 13 applies pressure to the contact elastic piece 10, the push piece 13 is subjected to a relatively large component force in the Y-axis direction due to the uneven force points; causing the push piece 13 to rotate a certain angle around the thrust fulcrum 14, affecting the pressure of the large and small contacts, causing the large contact to increase and the small contact to reduce the pressure. The force rotation direction F of the push piece 13 is as follows: Figure 7 shown.

[0032] By adjusting the position of the elastic fulcrum 2 12, the present application reduces the distance from the thrust fulcrum to the elastic fulcrum, reduces the force arm to make the force on the contact spring piece uniform, reduces the rotation angle of the push piece 13, and thus makes the pressure of the large and small contacts uniform to meet the use requirements.

[0033] Through the above description, those skilled in the art can already implement it.

[0034] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is merely an example of the structure of the utility model. Any equivalent changes or simple changes made based on the structure, features and principles described in the concept of the utility model patent are included in the scope of protection of the utility model patent. Technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should fall within the scope of protection of the utility model.

Claims

1. A movable spring structure in a relay, comprising a movable spring main plate (4), characterized in that: The invention also includes a support piece 1 (1), a support piece 2 (2), a support piece 3 (3), an arc contact (5), a connection contact (6), a contact elastic piece (10), an elastic fulcrum 1 (11) and an elastic fulcrum 2 (12), wherein the support piece 1 (1), the support piece 2 (2) and the support piece 3 (3) are sequentially connected and matched with the main plate of the movable spring (4) to form a superimposed structure; the support piece 1 (1), the support piece 2 (2), the support piece 3 (3) and the main plate of the movable spring (4) are respectively provided with corresponding through holes 1 (7) and through holes 2 (8), and the arc contact (5) and the connection contact (6) are matched with the through holes 1 (7) and through holes 2 (8), respectively; the contact elastic piece (10) is connected to the main plate of the movable spring (4), and the contact elastic piece (10) is provided with elastic fulcrum 1 (11) and elastic fulcrum 2 (12).

2. The movable reed structure in the relay according to claim 1, characterized in that: The supporting piece 1 (1), the supporting piece 2 (2), the supporting piece 3 (3) and the main movable spring piece (4) are all provided with a plurality of mounting holes (9) fixed on the movable spring seat.

3. The movable reed structure in the relay according to claim 1 or 2, characterized in that: The supporting piece 1 (1), the supporting piece 2 (2), and the supporting piece 3 (3) are all used for shunting, and the main movable spring piece (4) is used for shunting and generating contact pressure.

4. The movable reed structure in the relay according to claim 1, characterized in that: It also includes a push piece (13) and a thrust fulcrum (14), wherein the contact point between the push piece (13) and the contact elastic piece (10) on the main spring piece (4) is the thrust fulcrum (14), and the thrust fulcrum (14) is in contact with the contact elastic piece (10).

5. The movable reed structure in the relay according to claim 1, characterized in that: The contact elastic piece (10) is integrally connected with the dynamic spring main piece (4).

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