CN212967536U

CN212967536U - Direct current solid state relay

Info

Publication number: CN212967536U
Application number: CN202022166755.2U
Authority: CN
Inventors: 张玉强
Original assignee: Shenzhen Qitai Automation Equipment Co ltd
Current assignee: Shenzhen Qitai Automation Equipment Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-04-13
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a direct current solid state relay, including the solid state relay casing, the last fixed surface of solid state relay casing installs the data plate, the upper surface of solid state relay casing is close to one end position fixed mounting and has first lug, one side fixed mounting that the upper surface of solid state relay casing is located first lug has the second lug, the opposite side fixed mounting that the upper surface of solid state relay casing is located first lug has the third lug, one side fixed mounting that the upper surface of solid state relay casing is located the second lug has the fourth lug. A direct current solid state relay, belong to the relay field, can adjust the position of fixed screw and solid state relay casing to adapt to different applied scenes, and antiskid can prevent to screw up in-process solid state relay casing and real installation board production skew, improved the stability of last screw process.

Description

Direct current solid state relay

Technical Field

The utility model relates to a relay field, in particular to direct current solid state relay.

Background

The solid-state relay is a non-contact switch composed of a microelectronic circuit, a discrete electronic device and a power electronic power device, the isolation device is used for isolating a control end from a load end, and the input end of the solid-state relay directly drives a heavy-current load by using a tiny control signal; at present, the student needs to fix solid state relay and real installation board of instructing in-process, however, real installation board of instructing has a lot of holes through repetitious usage rear surface for current solid state relay is very inconvenient when the installation, and solid state relay bottom easily slides on real installation board and produces the problem of skew when sending into the screw.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a dc solid-state relay, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a direct current solid state relay comprises a solid state relay shell, wherein a nameplate is fixedly installed on the upper surface of the solid state relay shell, a first lug plate is fixedly installed at a position, close to one end, of the upper surface of the solid state relay shell, a second lug plate is fixedly installed on one side, located at the first lug plate, of the upper surface of the solid state relay shell, a third lug plate is fixedly installed on the other side, located at the first lug plate, of the upper surface of the solid state relay shell, a fourth lug plate is fixedly installed on one side, located at the second lug plate, of the upper surface of the solid state relay shell, surfaces of the first lug plate, the second lug plate, the third lug plate and the fourth lug plate are all in threaded connection with a connecting screw, an anti-skidding device is fixedly installed on the lower surface of the solid state relay shell and comprises an anti-skidding bottom plate, an installation circular groove, an anti-skidding plate and, the surface movable mounting of antiskid has mounting structure, mounting structure includes fixed plate, fixed screw, flexible interior pole, telescopic tube and elasticity and glues the piece.

Preferably, the upper surface of the solid-state relay shell is located between the first lug plate and the second lug plate and is provided with a shifting-out notch, and the upper surface of the solid-state relay shell is located at the nameplate and is provided with an indicator lamp.

Preferably, the lower surface of the anti-skid bottom plate is provided with a mounting circular groove, the inner top wall of the mounting circular groove is fixedly provided with an anti-skid sheet, the inner part of the anti-skid bottom plate is provided with a cavity, and the surface of the anti-skid sheet is provided with anti-skid grains.

Preferably, the fixed screw has been seted up on the surface of fixed plate, one side fixed surface of fixed plate installs flexible interior pole, the one end surface cover of flexible interior pole is equipped with telescopic tube, telescopic tube's inside one end fixed mounting that is located flexible interior pole has the elastic rubber piece.

Preferably, the anti-skidding bottom plate is fixedly connected with the lower surface of the solid-state relay shell, and the height of the anti-skidding piece is flush with the height of the installation circular groove.

Preferably, the lower surface of the fixed plate is flush with the height of the anti-slip sheet, the telescopic inner rod penetrates into the telescopic pipe after penetrating through the inner wall of the anti-slip bottom plate, the fixed plate is movably connected with the telescopic pipe through the telescopic inner rod, the elastic rubber blocks are attached to the inner wall of the telescopic pipe, two elastic rubber blocks are symmetrically arranged on the side face of the fixed plate, which is located on the anti-slip bottom plate, and one end of each elastic rubber block, which is located on the two telescopic inner rods, is arranged.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the mounting structure who sets up, can adjust the position of fixed screw and solid state relay casing to adapt to different application scenes, through the antiskid who sets up, antiskid can prevent to screw up in-process solid state relay casing and real standard mounting panel and produce the skew, has improved the stability of last screw process.

Drawings

Fig. 1 is a top view of a dc solid-state relay according to the present invention;

fig. 2 is a bottom view of a dc solid state relay according to the present invention;

fig. 3 is a cross-sectional view of an anti-skid bottom plate of a dc solid-state relay according to the present invention;

fig. 4 is a cross-sectional view of a telescopic sleeve of a dc solid-state relay according to the present invention.

In the figure: 1. a solid state relay housing; 101. removing the gap; 102. an indicator light; 2. a nameplate; 3. a wiring screw; 4. a first lug plate; 5. a second lug plate; 6. a third lug plate; 7. a fourth tab; 8. an anti-skid device; 801. an anti-skid bottom plate; 802. installing a circular groove; 803. anti-slip sheets; 804. a cavity; 9. a mounting structure; 901. a fixing plate; 902. fixing screw holes; 903. a telescopic inner rod; 904. a telescopic sleeve; 905. and an elastic rubber block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, a direct current solid state relay includes a solid state relay housing 1, a nameplate 2 is fixedly installed on an upper surface of the solid state relay housing 1, a first lug 4 is fixedly installed on an upper surface of the solid state relay housing 1 near one end, a second lug 5 is fixedly installed on one side of the first lug 4 on the upper surface of the solid state relay housing 1, a third lug 6 is fixedly installed on the other side of the first lug 4 on the upper surface of the solid state relay housing 1, a fourth lug 7 is fixedly installed on one side of the second lug 5 on the upper surface of the solid state relay housing 1, lug screws 3 are connected to surfaces of the first lug 4, the second lug 5, the third lug 6 and the fourth lug 7 through threads, an anti-slip device 8 is fixedly installed on a lower surface of the solid state relay housing 1, the anti-slip device 8 includes an anti-slip bottom plate 801, Installation circular slot 802, antiskid sheets 803 and cavity 804, antiskid 8's surface movable mounting has mounting structure 9, and mounting structure 9 includes fixed plate 901, fixed screw 902, flexible interior pole 903, telescopic pipe 904 and elasticity are glued piece 905.

The upper surface of the solid-state relay housing 1 is provided with a moving-out notch 101 between the first lug 4 and the second lug 5, and the upper surface of the solid-state relay housing 1 is provided with an indicator light 102 at the nameplate 2.

The lower surface of the antiskid bottom plate 801 is provided with a mounting circular groove 802, an antiskid sheet 803 is fixedly mounted on the inner top wall of the mounting circular groove 802, a cavity 804 is formed in the antiskid bottom plate 801, and antiskid lines are arranged on the surface of the antiskid sheet 803.

Fixed screw 902 has been seted up on the surface of fixed plate 901, and one side fixed surface of fixed plate 901 installs flexible interior pole 903, and the terminal surface cover of flexible interior pole 903 is equipped with telescopic tube 904, and the inside one end fixed mounting that is located flexible interior pole 903 of telescopic tube 904 has elastic rubber piece 905.

The anti-slip bottom plate 801 is fixedly connected with the lower surface of the solid-state relay housing 1, and the height of the anti-slip sheet 803 is flush with that of the mounting circular groove 802.

The lower surface of fixed plate 901 highly flushes with antiskid piece 803, and telescopic inner rod 903 penetrates telescopic sleeve 904's inside behind the inner wall of antiskid bottom plate 801, and fixed plate 901 is through telescopic inner rod 903 and telescopic sleeve 904 swing joint, and the piece 905 is glued to elasticity and the laminating of telescopic sleeve 904's inner wall, and the side symmetry that fixed plate 901 is located antiskid bottom plate 801 is provided with two, and the one end setting that the piece 905 is located two telescopic inner rods 903 is glued to elasticity.

It should be noted that, before the direct current solid state relay is used, the fixing plate 901 can be pulled to drive the telescopic inner rod 903 to slide in the telescopic sleeve 904, so that the fixing plate 901 is moved out of the moving-out notch 101, and thus the positions of the fixing screw hole 902 and the solid state relay housing 1 can be adjusted, thereby adapting to different application scenes, when in use, the solid state relay housing 1 is placed on the practical training mounting plate, the position of the fixing plate 901 is adjusted according to requirements, a screw penetrates into the fixing screw hole 902, the fixing plate 901 and the mounting plate are fixed by the solid state relay housing 1 through the screw, during the process of screwing, the lower surface of the anti-skid bottom plate 801 is attached to the surface of the practical training mounting plate, the anti-skid sheet 803 in the middle of the surface is also attached to the practical training mounting plate, and the solid state relay housing 1 and the practical training mounting plate, the stability of the screwing process is improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A direct current solid state relay characterized in that: the wiring box comprises a solid-state relay shell (1), a nameplate (2) is fixedly mounted on the upper surface of the solid-state relay shell (1), a first wiring piece (4) is fixedly mounted on the upper surface of the solid-state relay shell (1) close to one end position, a second wiring piece (5) is fixedly mounted on one side, located on the first wiring piece (4), of the upper surface of the solid-state relay shell (1), a third wiring piece (6) is fixedly mounted on the other side, located on the first wiring piece (4), of the upper surface of the solid-state relay shell (1), a fourth wiring piece (7) is fixedly mounted on one side, located on the second wiring piece (5), of the upper surface of the solid-state relay shell (1), a wiring screw (3) is connected to the surfaces of the first wiring piece (4), the second wiring piece (5), the third wiring piece (6) and the fourth wiring piece (7) in a threaded connection mode, the anti-skidding device comprises a solid-state relay shell (1), and is characterized in that the anti-skidding device (8) is fixedly mounted on the lower surface of the solid-state relay shell (1), the anti-skidding device (8) comprises an anti-skidding bottom plate (801), an installation circular groove (802), an anti-skidding piece (803) and a cavity (804), the surface of the anti-skidding device (8) is movably mounted with a mounting structure (9), and the mounting structure (9) comprises a fixing plate (901), a fixing screw hole (902), an inner telescopic rod (903), a telescopic sleeve (904) and an elastic rubber block (905.

2. A direct current solid state relay according to claim 1, wherein: the upper surface of the solid-state relay shell (1) is located between the first lug plate (4) and the second lug plate (5) and is provided with a shifting-out notch (101), and the upper surface of the solid-state relay shell (1) is located on the nameplate (2) and is provided with an indicator lamp (102).

3. A direct current solid state relay according to claim 2, wherein: the anti-skidding floor structure is characterized in that an installation circular groove (802) is formed in the lower surface of the anti-skidding floor plate (801), an anti-skidding piece (803) is fixedly installed on the inner top wall of the installation circular groove (802), a cavity (804) is formed in the anti-skidding floor plate (801), and anti-skidding lines are arranged on the surface of the anti-skidding piece (803).

4. A direct current solid state relay according to claim 3, wherein: fixed screw hole (902) have been seted up on the surface of fixed plate (901), one side fixed surface of fixed plate (901) installs flexible interior pole (903), the one end surface cover of flexible interior pole (903) is equipped with telescopic tube (904), the inside one end fixed mounting that is located flexible interior pole (903) of telescopic tube (904) has elastic rubber block (905).

5. A direct current solid state relay according to claim 4, wherein: the anti-skidding bottom plate (801) is fixedly connected with the lower surface of the solid-state relay shell (1), and the height of the anti-skidding piece (803) is flush with that of the mounting circular groove (802).

6. A direct current solid state relay according to claim 5, wherein: the lower surface of fixed plate (901) highly flushes with antiskid piece (803), penetrate the inside of telescopic tube (904) behind the inner wall that telescopic inner pole (903) passed anti-skidding bottom plate (801), fixed plate (901) are through telescopic inner pole (903) and telescopic tube (904) swing joint, the laminating of the inner wall of elastic glue piece (905) and telescopic tube (904), the side symmetry that fixed plate (901) are located anti-skidding bottom plate (801) is provided with two, the one end setting that elastic glue piece (905) are located two telescopic inner poles (903).