Metal push sheet for relay

Abstract

The utility model relates to the technical field of relays, and discloses a metal push piece for a relay, which comprises a base and further comprises a framework fixedly mounted in the base, and an armature structure is arranged outside the framework; the auxiliary movable reed and the auxiliary static reed are fixedly mounted in the base; the moving plate is fixedly installed in the base, a reed is arranged outside the moving plate, and a three-bow piece is arranged outside the reed; the static sheet is fixedly mounted in the base; the protection assembly is arranged in the base; the top cover is located above the base, and the top cover and the base are connected in a clamped mode. According to the utility model, through the arrangement of the protection assembly, the rigidity of the push piece can be enhanced while the size of the push piece is reduced; meanwhile, heat is reduced, the safety of the relay can be improved, the service life of the relay is prolonged, and the overall practicability of the relay is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to relay technical field, concretely relates to a metal push piece for relay. BACKGROUND

[0002] With the development of global new energy, the relay is more widely applied in the new energy industry, and is not limited to new energy vehicles, charging piles, intelligent electric meters and other scenes. The relay is a kind of "automatic switch" used to control larger current and higher voltage with smaller current and lower voltage in the circuit, so it plays the role of automatic regulation, safety protection and conversion circuit in the circuit. When the relay is used, a metal push piece for relay needs to be proposed.

[0003] The existing relay has large volume, small electrical gap between contacts, small contact pressure and large contact resistance, which leads to serious heating and easy damage of the relay after long working time.

[0004] Therefore, the skilled in the art provides a metal push piece for relay to solve the problems in the above background. UTILITY MODEL CONTENTS

[0005] The utility model discloses a metal push piece for relay, which comprises a base and further comprises:

[0006] A skeleton is fixedly installed in the interior of the base, and an armature structure is arranged on the exterior of the skeleton.

[0007] An auxiliary moving spring piece and an auxiliary static spring piece are both fixedly installed in the interior of the base.

[0008] A moving piece is fixedly installed in the interior of the base, an spring piece is arranged on the exterior of the moving piece, and three arch pieces are arranged on the exterior of the spring piece.

[0009] A static piece is fixedly installed in the interior of the base.

[0010] A protection assembly is arranged in the interior of the base.

[0011] A top cover is located above the base, and the top cover is clamped with the base.

[0012] As a further improvement of the technical solution, the protection assembly comprises an insulating push piece arranged in the interior of the base, and a movable groove for the metal insert is arranged in the interior of the insulating push piece.

[0013] As a further improvement of the technical solution, a clamping groove for clamping the spring piece and the three arch pieces is arranged in the interior of the metal insert.

[0014] As a further improvement of the technical solution, the metal insert is internally provided with two hole positions.

[0015] As a further improvement of the technical solution, the middle section of the insulating push piece is provided with a circular hole groove.

[0016] As a further improvement of the technical solution, the insulating push piece is externally provided with a small boss.

[0017] Compared with the prior art, the utility model has the beneficial effects of:

[0018] In the metal push piece for the relay, the protective assembly is assembled by molding, replacing the traditional plastic ordinary push piece, thereby obtaining greater rigidity, being able to achieve the same pushing and pulling force with smaller volume; while reducing the volume, the total stroke is increased, and correspondingly, greater follow, greater contact gap and greater contact pressure are obtained; and the arc extinguishing capacity is improved, the contact resistance is reduced, the relay heating is reduced, and the service life of the relay is effectively prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is an explosion three-dimensional structure schematic view of the utility model;

[0021] Figure 3 It is a three-dimensional structure schematic view of one perspective of the utility model;

[0022] Figure 4 It is a three-dimensional structure schematic view of the utility model after the insulating push piece and the metal insert are disassembled;

[0023] Figure 5 It is Figure 3 It is an enlarged structure schematic view of the A area;

[0024] Figure 6 It is a three-dimensional structure schematic view of the opening design of the metal insert in the utility model.

[0025] The meanings of the various reference numerals in the drawings are as follows:

[0026] 1, base; 2, top cover; 3, skeleton; 4, armature structure; 5, auxiliary moving spring piece; 6, auxiliary static spring piece; 7, moving piece; 8, static piece; 9, insulating push piece; 10, three-arch piece; 11, small boss; 12, circular hole groove; 13, clamping groove; 14, hole position; 15, metal insert; 16, spring piece. DETAILED DESCRIPTION

[0027] 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 of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Please refer to Figure 1 - Figure 6 As shown in the figure, the embodiment provides a metal push piece for a relay, which comprises a base 1, and further comprises:

[0029] A framework 3 is fixedly installed inside the base 1, and the outside of the framework 3 is provided with an armature structure 4;

[0030] An auxiliary moving spring piece 5 and an auxiliary static spring piece 6 are both fixedly installed inside the base 1;

[0031] A moving piece 7 is fixedly installed inside the base 1, and the outside of the moving piece 7 is provided with a spring piece 16, and the outside of the spring piece 16 is provided with a three-arch piece 10;

[0032] A static piece 8 is fixedly installed inside the base 1;

[0033] A protection assembly is arranged inside the base 1;

[0034] A top cover 2 is located above the base 1, and the top cover 2 is clamped with the base 1.

[0035] The above working principle: through the molding mode, the protection assembly is assembled, the traditional plastic ordinary push piece is replaced, and then greater rigidity is obtained, the same push-pull force can be achieved in smaller volume; while reducing the volume, the total stroke is increased, and correspondingly, greater follow, greater contact gap and greater contact pressure are obtained; and the arc extinguishing capacity is improved, the contact resistance is reduced, the relay heating is reduced, and the service life of the relay is effectively prolonged.

[0036] In order to effectively reduce the heating of the relay, the protection assembly comprises an insulating push piece 9 arranged inside the base 1, and the inside of the insulating push piece 9 is provided with a movable groove for the movement of a metal insert 15. The metal insert 15 and the plastic push piece are combined together through the molding mode, the traditional plastic ordinary push piece is replaced, and then greater rigidity is obtained, the same push-pull force can be achieved in smaller volume; while reducing the volume, the total stroke is increased, and correspondingly, greater follow, greater contact gap and greater contact pressure are obtained; and the arc extinguishing capacity is improved, the contact resistance is reduced, the relay heating is reduced, and the safety of the relay is effectively improved, and the working life of the relay is prolonged.

[0037] Considering that the spring 16 needs to be combined with the three-arched piece 10 before the relay is used, the metal insert 15 is internally provided with a clamping groove 13 for clamping the spring 16 and the three-arched piece 10 (as shown, the upper end of the metal insert 15 can also be designed as an opening), through the clamping groove 13, the spring 16 and the large arch of the three-arched piece 10 can be effectively combined, so that the relay can be normally used. Figure 6

[0038] In order to effectively improve the stability between the metal insert 15 and the insulating push piece 9, two hole positions 14 are provided in the metal insert 15, and the rear end of the metal insert 15 is provided with a hole position 14, which can play a limiting role in the molding process of the insulating push piece 9, thereby effectively improving the stability between the metal insert 15 and the insulating push piece 9.

[0039] In order to effectively install the armature structure 4 and the insulating push piece 9, a circular hole groove 12 is provided in the middle section of the insulating push piece 9, and the middle section of the insulating push piece 9 is provided with a circular hole groove 12, and the push rod inside the armature structure 4 can be installed inside the circular hole groove 12, thereby installing the armature structure 4 and the insulating push piece 9.

[0040] In addition, in order to effectively push the auxiliary moving spring 5, a small boss 11 is provided on the outside of the insulating push piece 9, and through the small boss 11 at the end of the insulating push piece 9, the auxiliary moving spring 5 can be effectively pushed to move, so that the auxiliary moving spring 5 can be in contact with the auxiliary static spring 6.

[0041] The basic principles, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not 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 metal tab for a relay comprising a base (1), characterized in that, Also include: skeleton (3) is fixedly installed in the inside of the base (1), the outside of the skeleton (3) is equipped with armature structure (4); Auxiliary moving reed (5) and auxiliary static reed (6) are fixedly installed in the inside of the base (1); Moving piece (7) is fixedly installed in the inside of the base (1), the outside of the moving piece (7) is equipped with spring (16), the outside of the spring (16) is equipped with three arch piece (10); Static piece (8) is fixedly installed in the inside of the base (1); Protective assembly is arranged in the inside of the base (1); Top cover (2) is located above the base (1), and the top cover (2) is clamped with the base (1).

2. A metal tab for a relay according to claim 1, characterized in that: The protective assembly includes an insulating push piece (9) arranged in the base (1), and the insulating push piece (9) is internally provided with a movable slot for movably accommodating a metal insert (15).

3. A metal tab for a relay according to claim 2, wherein: The metal insert (15) is internally provided with a clamping groove (13) for clamping the spring (16) and the three arch piece (10).

4. The metal tab for a relay according to claim 2, wherein: The metal insert (15) is internally provided with two hole positions (14).

5. The metal tab for a relay according to claim 2, wherein: The middle section of the insulating push piece (9) is provided with a round hole slot (12).

6. A metal tab for a relay according to claim 2, wherein: The outside of the insulating push piece (9) is provided with a small boss (11).

Images