Miniature high-load relay

Abstract

The utility model relates to the technical field of electric control devices, in particular to a small-sized high-load relay, which comprises a yoke, an armature is arranged on the yoke, a flat sheet movable spring is arranged on the upper surface of the armature, a copper braided wire is arranged between the flat sheet movable spring and the yoke, and a tension spring is arranged and connected between the armature and the yoke. According to the utility model, the defects in the prior art are overcome, the tension of the spring can be adjusted through the tension spring, the requirements of different parameters in relay application are met, the pressure of a relay contact is convenient to adjust, and the anti-vibration performance of the relay can be improved through the half-surrounded U-shaped groove design of the yoke and the armature; and the copper braided wire is spot-welded between the flat sheet movable spring and the yoke, so that the use temperature of the relay can be reduced, and the stable performance can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of electric control devices, in particular to a small high-load relay. Background Art

[0002] A relay is an electrical control device. When the change in input quantity reaches the specified requirement, it will cause a predetermined step change in the controlled quantity in the electrical output circuit. The relay has an interactive relationship between the control system and the controlled system, and is usually used in automated control circuits. In fact, the relay is an "automatic switch" that uses a small current to control the operation of a large current, and plays the role of automatic adjustment, safety protection, and circuit conversion in the circuit.

[0003] Relays are widely used in the automotive field. Customers have relatively high requirements for product stability and heat dissipation. In order to improve the product load performance, the internal structure design of the relay product has been greatly adjusted;

[0004] Therefore, a small high-load relay is proposed. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a small high-load relay, which overcomes the deficiencies of the prior art and solves the problems mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a small high-load relay, including a yoke, an armature is provided on the yoke, a flat leaf moving spring is arranged on the upper surface of the armature, a copper braided wire is arranged between the flat leaf moving spring and the yoke, and a tension spring is arranged and connected between the armature and the yoke.

[0007] The spring tension can be adjusted by setting the tension spring to meet the requirements of different parameters in the relay application and facilitate the adjustment of the relay contact pressure.

[0008] As a preferred technical solution of the utility model, a U-shaped groove is formed on the top of the yoke.

[0009] As a preferred technical solution of the utility model, a buckle block is formed at one end of the armature close to the U-shaped slot, and the structural dimensions of the buckle block and the U-shaped slot are adapted.

[0010] By adopting a semi-enclosed U-shaped groove design for the yoke and the armature, the vibration resistance of the relay can be improved, the vibration resistance of the internal mechanism of the relay can be improved, and the service life of the relay can be increased.

[0011] As a preferred technical solution of the utility model, a connecting arm is formed in the middle of the buckle block, a connecting block is formed at the bottom of the yoke directly below the connecting arm, and a card slot is formed on the side of the connecting arm and the connecting block away from each other.

[0012] As a preferred technical solution of the utility model, the tension spring is installed between the connecting block and the connecting arm.

[0013] As a preferred technical solution of the utility model, a pin is installed on one side of the yoke.

[0014] As a preferred technical solution of the utility model, welding point 1 and welding point 2 are fixedly installed at both ends of the copper braided wire, and welding point 1 and welding point 2 are fixedly connected to the flat leaf dynamic spring and the yoke iron respectively.

[0015] By spot welding the copper braided wire between the flat leaf spring and the yoke iron, the operating temperature of the relay can be reduced and stable performance can be ensured.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The spring tension can be adjusted by setting the tension spring to meet the requirements of different parameters in relay applications and facilitate the adjustment of relay contact pressure. The semi-enclosed U-shaped groove design of the yoke and the armature can improve the vibration resistance of the relay, improve the vibration resistance of the internal mechanism of the relay, and increase the service life of the relay. By spot welding the copper braided wire between the flat leaf dynamic spring and the yoke, the operating temperature of the relay can be reduced to ensure stable performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional schematic diagram of the utility model Figure 1 ;

[0019] Figure 2 A three-dimensional schematic diagram of the utility model Figure 2 ;

[0020] Figure 3 For the utility model Figure 2 Partial schematic diagram at point A in the middle.

[0021] In the figure: 1, yoke; 101, U-shaped slot; 102, connecting block; 2, armature; 201, connecting arm; 202, buckle block; 3, flat leaf spring; 4, copper braided wire; 401, welding point one; 402, welding point two; 5, pin; 6, tension spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 A small high-load relay comprises a yoke 1, an armature 2 is arranged on the yoke 1, a flat leaf spring 3 is arranged and installed on the upper surface of the armature 2, a copper braided wire 4 is arranged between the flat leaf spring 3 and the yoke 1, and a tension spring 6 is arranged and connected between the armature 2 and the yoke 1. The spring tension can be adjusted by setting the tension spring 6 to meet the requirements of different parameters in the relay application, which is convenient for adjusting the relay contact pressure.

[0024] Specifically, a U-shaped slot 101 is formed on the top of the yoke 1, and a snap block 202 is formed at one end of the armature 2 close to the U-shaped slot 101, and the structural dimensions of the snap block 202 and the U-shaped slot 101 are adapted. By adopting a semi-enclosed U-shaped slot design for the yoke 1 and the armature 2, the vibration resistance of the relay can be improved, the vibration resistance of the internal mechanism of the relay can be improved, and the service life of the relay can be improved.

[0025] Specifically, a connecting arm 201 is formed in the middle of the buckle block 202, a connecting block 102 is formed at the bottom of the yoke 1 just below the connecting arm 201, and a clamping groove is formed on the side of the connecting arm 201 and the connecting block 102 away from each other.

[0026] Specifically, the tension spring 6 is installed between the connecting block 102 and the connecting arm 201 , and a pin 5 is installed on one side of the yoke 1 .

[0027] Specifically, welding point 1 401 and welding point 2 402 are fixedly installed at both ends of the copper braided wire 4, and welding point 1 401 and welding point 2 402 are fixedly connected to the flat leaf dynamic spring 3 and the yoke 1 respectively. By spot welding the copper braided wire 4 between the flat leaf dynamic spring 3 and the yoke 1, the operating temperature of the relay can be reduced to ensure stable performance.

[0028] Working principle: The tension spring 6 is set to adjust the spring tension to meet the requirements of different parameters in relay applications and facilitate the adjustment of the relay contact pressure. The semi-enclosed U-shaped groove design of the yoke 1 and the armature 2 can improve the vibration resistance of the relay, improve the vibration resistance of the internal mechanism of the relay, and increase the service life of the relay. By spot welding the copper braided wire 4 between the flat leaf dynamic spring 3 and the yoke 1, the operating temperature of the relay can be reduced to ensure stable performance.

[0029] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0030] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A small high-load relay, comprising a yoke (1), characterized in that: The yoke (1) is provided with an armature (2), the upper surface of the armature (2) is provided with a flat leaf spring (3), a copper braided wire (4) is provided between the flat leaf spring (3) and the yoke (1), and a tension spring (6) is provided between the armature (2) and the yoke (1).

2. A small high-load relay according to claim 1, characterized in that: A U-shaped groove (101) is formed on the top of the yoke (1).

3. A small high-load relay according to claim 1, characterized in that: A buckle block (202) is formed at one end of the armature (2) close to the U-shaped slot (101), and the buckle block (202) and the U-shaped slot (101) have matching structural dimensions.

4. A small high-load relay according to claim 3, characterized in that: A connecting arm (201) is formed in the middle of the buckle block (202), a connecting block (102) is formed at the bottom of the yoke (1) directly below the connecting arm (201), and a clamping groove is provided on the side of the connecting arm (201) and the connecting block (102) away from each other.

5. A small high-load relay according to claim 4, characterized in that: The tension spring (6) is installed between the connecting block (102) and the connecting arm (201).

6. A small high-load relay according to claim 1, characterized in that: A pin (5) is installed on one side of the yoke (1).

7. A small high-load relay according to claim 1, characterized in that: A welding point 1 (401) and a welding point 2 (402) are respectively fixedly installed at both ends of the copper braided wire (4), and the welding point 1 (401) and the welding point 2 (402) are respectively fixedly connected to the flat leaf spring (3) and the yoke iron (1).

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