CN213093147U

CN213093147U - Relay with movable contact limiting device

Info

Publication number: CN213093147U
Application number: CN202021909636.5U
Authority: CN
Inventors: 唐俊平
Original assignee: Sanyou Corp Ltd
Current assignee: Sanyou Corp Ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-30
Anticipated expiration: 2030-09-03

Abstract

The utility model relates to a take movable contact stop device's relay, including relay housing, the movable contact has in the relay housing, still including being used for preventing that the movable contact from taking place horizontal pivoted gag lever post, the place of just opening to the stationary contact on the movable contact has vertical spacing through-hole, and the gag lever post passes the shell and inserts in the spacing through-hole. The limiting rod penetrates through the accommodating through hole to be inserted into the limiting through hole of the movable contact, the two through holes are vertically formed to keep the direction of the limiting rod vertical, and the limiting through hole and the accommodating through hole define a straight line, so that the movable contact is limited to rotate, and the condition that the switching-on effect of the relay is influenced after the movable contact rotates is avoided.

Description

Relay with movable contact limiting device

Technical Field

The utility model relates to a take movable contact stop device's relay.

Background

The relay includes movable contact and two stationary contacts, and the movable contact carries out the motion of vertical direction along the slide bar to contact or separate with the stationary contact, control switching on and breaking off of relay, the slide bar itself has restricted the horizontal direction displacement of movable contact, but the movable contact still probably takes place the rotation of horizontal direction, and then influences the effect that switches on of relay.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take movable contact stop device's relay prevents that the movable contact of relay from taking place the rotation of horizontal direction.

Therefore, the relay with the movable contact limiting device comprises a relay shell, a movable contact is arranged in the relay shell, the movable contact is further prevented from horizontally rotating a limiting rod, a vertical limiting through hole is formed in the movable contact at a place which is not opposite to a static contact, and the limiting rod penetrates through the shell to be inserted into the limiting through hole.

Furthermore, the position of the shell, which is opposite to the limiting through hole, is provided with an accommodating through hole, and the limiting rod penetrates through the accommodating through hole and is inserted into the limiting through hole.

Furthermore, a containing hole is formed in the position, opposite to the limiting through hole, of the shell, the containing through hole is located in the position, opposite to the limiting through hole, of the containing hole, a part of the limiting rod is fixed in the containing hole in the shell through a clamp spring, and after the limiting rod is fixed through the clamp spring, the top end of the limiting rod does not exceed the containing hole.

Further, the accommodation hole is located in a direction in which the movable contact is away from the coil of the relay.

Further, still include the insulating cap, insulating cap interference filling accommodation hole.

Further, the top end of the insulating cap is flush with the outer surface of the housing.

Furthermore, an extension part is arranged on the inner wall of the shell and surrounds and wraps the limiting rod.

Furthermore, the polishing mesh number of the outer surface of the limiting rod is not less than 200 meshes.

Furthermore, the shell comprises an upper shell and a lower shell, a nut is arranged at one end, facing the lower shell, of the upper shell, and a mounting through hole is formed in a position, facing the nut, of a yoke iron panel of the relay.

Further, the limiting rod is made of stainless steel materials.

Has the advantages that:

the limiting rod penetrates through the accommodating through hole to be inserted into the limiting through hole of the movable contact, the two through holes are vertically formed to keep the direction of the limiting rod vertical, and the limiting through hole and the accommodating through hole define a straight line, so that the movable contact is limited to rotate, and the condition that the switching-on effect of the relay is influenced after the movable contact rotates is avoided.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic cross-sectional view of the relay of the present invention.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

See fig. 1, the utility model discloses a relay includes epitheca 1 and inferior valve 2, inferior valve 2 is installed on epitheca 1 to the epitheca 1 and the inferior valve 2 of relay surround into an accommodation space, two stationary contacts 3 of top distribution in the accommodation space, stationary contact 3 passes the electric wire connection in relay epitheca 1 and the outside, install coil 4 in the inferior valve 2 of relay, when coil 4 circular telegram, the movable contact 5 that drives the relay moves to contacting with two stationary contacts 2 simultaneously, make the relay switch on, and then switch on the outside electric wire.

In order to prevent the movable contact 5 from rotating in the horizontal direction, a vertical limiting through hole 51 is arranged at the position where the movable contact 5 does not face the fixed contact 3, a containing hole 13 is arranged at the position, which faces the limiting through hole 51, on the upper shell 1, a containing through hole is arranged at the position, which faces the limiting through hole 51, at the bottom of the containing hole 13, a containing through hole is arranged, a limiting rod 6 is inserted into the limiting through hole 51 through the upper shell 1 from the upper side, the installation is simpler and more convenient compared with other modes, the limiting rod 6 is inserted into the limiting through hole 51 of the movable contact 5 through the containing through hole, so as to limit the rotation of the movable contact 5 and avoid the influence on the conduction effect of the relay after the movable contact 5 rotates, a groove body is arranged on the side wall of the limiting rod 6, a clamp spring which is larger than the containing through hole is sunk into the groove on the side wall of the limiting rod 6, so that a part of the limiting, after the limiting rod 6 is fixed by the clamp spring, the top end of the limiting rod 6 cannot exceed the containing hole 13, in order to improve the insulation and sealing effects of the limiting rod 6, the containing hole 13 can be filled with an insulating cap (not shown) in interference fit with the containing hole 13, and after the insulating cap fills the containing hole 13, the top end of the insulating cap is flush with the outer surface of the upper shell 1, so that the appearance and the neatness are kept.

The limiting rod 6 is made of stainless steel materials, the surface polishing mesh is more than 200 meshes, so that the surface of the limiting rod 6 is smooth enough, and the vertical movement of the movable contact 5 is prevented from being influenced.

The upper shell 1 is provided with an extension part 11 along the limiting rod 6, and the extension part 11 is wrapped around the limiting rod 6, so that the direction of the limiting rod is better kept, and the limiting effect of the limiting rod 6 on the horizontal rotation of the movable contact 5 is further improved.

In this embodiment, the surface of the upper case 1 facing the lower case 2 is wrapped with the nut 7 in a surrounding manner, the yoke panel 8 of the relay is provided with an assembly through hole at a position facing the nut 7, a screw can be used to penetrate through the assembly through hole of the yoke panel 8 during assembly, and the yoke panel 8 of the relay is assembled on the upper case 1 under the matching of the screw and the nut 7, so that the assembly structure in the upper case 1 is reduced, the relay can be made as compact as possible, and the volume of the relay is reduced.

It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

It should be finally noted that the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced with other equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a take movable contact stop device's relay, includes the relay housing, has movable contact (5) in the relay housing, its characterized in that: the movable contact is characterized by further comprising a limiting rod (6) used for preventing the movable contact from horizontally rotating, a vertical limiting through hole (51) is formed in the position, which is not opposite to the fixed contact (3), on the movable contact (5), and the limiting rod (6) penetrates through the shell to be inserted into the limiting through hole (51).

2. A relay with a moving contact limiting device according to claim 1, wherein: the part of the shell, which is opposite to the limiting through hole (51), is provided with an accommodating through hole, and the limiting rod (6) penetrates through the accommodating through hole and is inserted into the limiting through hole (51).

3. A relay with a moving contact limiting device according to claim 2, characterized in that: the position, which is right opposite to the limiting through hole (51), on the shell is provided with an accommodating hole (13), the accommodating through hole is positioned at the position, which is right opposite to the limiting through hole (51), of the accommodating hole (13), a part of the limiting rod (6) is fixed in the accommodating hole (13) on the shell through a clamp spring, and after the limiting rod (6) is fixed by the clamp spring, the top end of the limiting rod (6) does not exceed the accommodating hole (13).

4. A relay with a moving contact limiting device according to claim 3, wherein: the containing hole (13) is positioned in the direction of the movable contact (5) far away from the coil (4) of the relay.

5. A relay with a moving contact limiting device according to claim 3, wherein: the insulation cap is further included, and the insulation cap is filled in the containing hole (13) in an interference mode.

6. A relay with a moving contact limiting device according to claim 5, characterized in that: the top end of the insulating cap is flush with the outer surface of the shell.

7. A relay with a moving contact limiting device according to claim 1, wherein: the inner wall of the shell is provided with an extension part (11), and the extension part (11) surrounds and wraps the limiting rod (6).

8. A relay with a moving contact limiting device according to claim 1, wherein: the grinding mesh number of the outer surface of the limiting rod (6) is not less than 200 meshes.

9. A relay with a moving contact limiting device according to claim 1, wherein: the shell comprises an upper shell (1) and a lower shell (2), a nut (7) is arranged at one end, facing the lower shell (2), of the upper shell (1), and a mounting through hole is formed in a position, facing the nut (7), on a yoke iron panel (8) of the relay.

10. A relay with a moving contact limiting device according to claim 1, wherein: the limiting rod (6) is made of stainless steel material.