CN210136801U

CN210136801U - Static contact and micro switch using same

Info

Publication number: CN210136801U
Application number: CN201921448705.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-03-10
Anticipated expiration: 2029-09-03

Abstract

The utility model relates to a static contact and a micro-gap switch using the same, which comprises a main body, a contact and a connecting terminal, wherein one end of the main body is provided with the contact, and the other end of the main body is connected with the connecting terminal; an included angle a is formed between the main body and the wiring terminal. The problems that after wiring of a static contact of a microswitch in the prior art is completed, the static contact is exposed outside, short circuit danger is easily caused with other positions of a product, the insulation grade of the microswitch is reduced, meanwhile, the static contact and the microswitch are inconvenient to mount due to the adoption of a screw fixing mode, and the efficiency of a user is reduced in use are solved.

Description

Static contact and micro switch using same

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a static contact and use micro-gap switch of this static contact.

Background

A microswitch is a common small current master control electric appliance, which utilizes the collision of mechanical moving parts to make the contact of the mechanical moving parts act to realize the connection or disconnection of a control circuit so as to achieve a certain control purpose.

The existing microswitch wiring mode is mostly fixed by screws, a static contact of the microswitch stretches out of the casing of the microswitch, a threaded hole is formed in the static contact, a user fixes a wire on the static contact of the microswitch, and the static contact of the microswitch in the prior art is exposed outside after wiring is completed, so that short circuit danger easily occurs at other positions of a product, the insulation grade of the product is reduced, the installation is inconvenient, and the efficiency of the user in use is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a micro-gap switch of static contact and use this static contact is provided, the micro-gap switch static contact of having solved among the prior art exposes outside after the wiring is accomplished, and the short circuit danger takes place with other positions of product easily, makes its insulation rating reduce, adopts the screw fixation mode to cause static contact and micro-gap switch installation inconvenient simultaneously, the problem of the efficiency reduction of user when using.

The utility model provides a static contact in the first aspect, the static contact includes: the contact is arranged at one end of the main body, and the other end of the main body is connected with the wiring terminal; an included angle a is formed between the main body and the wiring terminal.

According to the utility model discloses an embodiment, the insulating layer is cup jointed to the binding post skin.

According to the utility model discloses an embodiment, the main part with binding post integrated into one piece.

According to the utility model discloses an embodiment, the main part with between binding post the angle scope of contained angle a does: 110 to 180 degrees.

The utility model discloses a second aspect provides a micro-gap switch, micro-gap switch includes: the static contact comprises a shell and the static contact, wherein the static contact is fixedly arranged in the shell.

According to an embodiment of the present invention, the micro switch further comprises: the device comprises a push rod, a moving contact and a return spring, wherein a contact of the moving contact and a contact of the static contact are arranged correspondingly, and when the return spring is in a loose state, the contact of the static contact is in contact with the contact of the moving contact; one end of the reset spring is in contact with the moving contact, and the other end of the reset spring is fixedly arranged with the shell.

The utility model has the advantages that: firstly, the wiring terminal adopts the plug-in mode for wiring, thereby effectively shortening the wiring time and improving the working efficiency.

And secondly, the adopted plugging mode is adopted for wiring, and the terminals plugged with the terminals are provided with insulating layers, so that the plugging terminals are not exposed outside, the insulating grade of the product wiring terminals is effectively improved, and the personal safety is better protected.

Finally, the utility model discloses a binding post can be according to the installation space of difference and require the different installation angle of change, can realize 110 to the adjustment of 180 arbitrary angle, satisfies different engineering requirements under the different industrial scene, and the engineering of being convenient for is implemented, has increased the flexibility that the product used.

Drawings

Fig. 1 is a structural diagram of a static contact disclosed by the present invention;

fig. 2 is a schematic view illustrating an angle adjustment between the main body of the static contact and the connection terminal according to the present invention;

fig. 3 is a side view of the combined device after the static contact is connected with other devices of the micro switch;

fig. 4 is a top view of the structure of the static contact according to the present invention, when the angle between the main body and the connecting terminal is 180 °;

fig. 5 is a side view of the combined device after the main body of the static contact and the connecting terminal are connected with other devices of the micro switch when the angle between the main body and the connecting terminal is 180 degrees;

fig. 6 is a cross-sectional view of the structure of the static contact according to the present invention, when the angle between the main body and the connecting terminal is 180 °;

fig. 7 is a schematic view of the connection between the static contact and the insulating layer and the casing of the present invention.

Reference numerals: 1-main body, 2-contact, 3-connecting terminal, 4-insulating layer and 5-shell.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The utility model aims to solve the technical problem that a micro-gap switch of static contact and use this static contact is provided, the micro-gap switch static contact of having solved among the prior art exposes outside after the wiring is accomplished, and the short circuit danger takes place with other positions of product easily, makes its insulation rating reduce, and it is inconvenient to install simultaneously, the problem of the efficiency reduction of user when using.

The utility model provides a static contact in a first aspect, as shown in fig. 1, comprising a main body, a contact and a connecting terminal, wherein one end of the main body is provided with the contact, and the other end of the main body is connected with the connecting terminal; an included angle a is formed between the main body and the wiring terminal.

According to an embodiment of the present invention, as shown in fig. 7, the outer layer of the connecting terminal is sleeved with the insulating layer. The insulating layer is used for enhancing the insulating strength of the static contact.

According to the utility model discloses an embodiment, as shown in fig. 2, the main part with between binding post the angle scope of contained angle a does: 110 to 180 degrees. Fig. 4 is a schematic structural view showing an angle range of 180 ° between the main body and the connection terminal. Fig. 6 is a cross-sectional view of the structure of the static contact according to the present invention, when the angle between the main body and the connecting terminal is 180 °. Different angle ranges are selected according to engineering requirements. The requirements of different installation spaces in engineering are better met. Greatly improving the engineering practicability.

In a second aspect, the present application discloses a microswitch, as shown in fig. 3 and 5, comprising: the static contact comprises a shell and the static contact, wherein the static contact is fixedly arranged in the shell.

The micro switch further comprises: the push rod, the moving contact and the return spring, wherein a groove for accommodating the push rod is arranged in the shell; the push rod is provided with a hole, the reset spring is arranged in the hole, the moving contact passes through the hole, one end of the reset spring is contacted with the moving contact, and the other end of the reset spring is contacted with a fixed end of a spring arranged in the shell; the static contact corresponds to the moving contact in position, and when the reset spring is in a relaxed state, the contact of the static contact is in contact with the contact of the moving contact.

Static contact, moving contact, push rod, reset spring all set up in the casing, and this casing is as a whole, and at its casing internal device effectively fixed, effectively block electric arc, reduce the emergence of the electric short circuit phenomenon that electric arc ionization caused.

When the push rod is pushed by external force, the contact of the static contact is separated from the contact of the moving contact, so that the connection is disconnected. And when the external force disappears, the contact of the static contact and the contact of the moving contact are contacted again under the action of the reset spring.

And secondly, the adopted plugging mode is adopted for wiring, and the terminals plugged with the terminals are provided with insulating sleeves, so that the plugging terminals are not exposed outside, the insulation grade of the product wiring terminals is effectively improved, and the personal safety is better protected.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "center", "inner", "outer", "top", "bottom", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, 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.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A stationary contact, characterized in that said stationary contact comprises: a main body (1), a contact (2) and a connecting terminal (3), wherein,

the contact (2) is arranged at one end of the main body (1), and the other end of the main body (1) is connected with the wiring terminal (3); an included angle a is formed between the main body (1) and the wiring terminal (3).

2. The static contact according to claim 1, wherein the insulating layer (4) is sleeved on the outer layer of the connecting terminal (3).

3. The static contact according to claim 1, characterized in that the body (1) is integrally formed with the terminal (3).

4. The static contact according to claim 1, wherein the angle range of the included angle a between the body (1) and the connecting terminal (3) is: 110 to 180 degrees.

5. A micro-switch, characterized in that the micro-switch comprises: stationary contact according to one of the claims 1 to 4 and a housing (5),

the fixed contact is fixedly arranged inside the shell (5).

6. The microswitch of claim 5, further comprising: the device comprises a push rod, a moving contact and a return spring, wherein a contact of the moving contact and a contact of the static contact are arranged correspondingly, and when the return spring is in a loose state, the contact of the static contact is in contact with the contact of the moving contact; one end of the reset spring is in contact with the moving contact, and the other end of the reset spring is fixedly arranged with the shell.