TWM585001U - Inner frame structure of 90-degree angle two-pin plug - Google Patents

Abstract

This creation discloses an inner frame structure of a 90-degree angle two-pin plug, which includes a first shell and a second shell that are fastened to each other, a cavity is formed between the first shell and the second shell, and the first shell The body is provided with a live wire terminal and a neutral wire terminal. The live wire terminal and the neutral wire terminal are respectively connected with a first terminal and a second terminal. The cavity is provided with an overload protection component and an overload protection component between the hot wire terminal and the first terminal. Including overload protection shrapnel, isolation sheet and reset button, the two ends of the overload protection shrapnel are respectively set as the movable end that is normally in contact with the contact end of the live wire terminal, and the fixed end fixedly connected to the first connection terminal. The reset button is provided perpendicular to the isolation sheet. The connected connecting block is provided with a spring along the direction of the vertical spacer on the connecting block, and two ends of the spring respectively abut against the connecting block and the inner wall of the cavity. The creative structure is reasonable, the use is safe and reliable, the safety of electricity is improved, the volume of the plug is reduced, and the convenience is improved.

Description

Inner frame structure of 90-degree angle two-pin plug

The present invention relates to the technical field of two-pin plugs, and particularly relates to an inner frame structure of a 90-degree angle two-pin plug.

With the continuous development of society and the continuous improvement of people's quality of life, a variety of household appliances have emerged and become indispensable items. The circuits of family houses have been shaped during the decoration, and the increasing number of household appliances will continue to increase the house circuits. With the continuous increase of the service life of electrical appliances, the aging of electrical appliances and circuits, or improper use of electrical appliances, it is prone to safety accidents such as circuit overload or short circuit. If an overload protector is installed between the electrical appliance and the socket of the house circuit, Effectively reduce the chance of safety accidents; while the traditional overload protector is bulky, if the traditional overload protector is installed on the plug of the appliance, the plug of the appliance will be too large and bulky, which is not conducive to inserting the plug into the socket. At the same time, it takes up a lot of space on the socket and occupies the location of other plugs, so it needs to be improved.

The technical problem solved by this creation is to address the defects in the prior art mentioned above, and provide an inner frame structure of a 90-degree angle two-pin plug to solve the problems raised in the above background technology.

In order to solve the above technical problems, the technical solution adopted in this creation is as follows: An inner frame structure of a 90-degree angle two-pin plug includes a first shell and a second shell that are fastened to each other, and the first shell and the second shell A cavity is formed between the shells, and the first shell is provided with a live wire terminal and a neutral wire terminal. The live wire terminal and the neutral wire terminal are respectively connected with a first terminal and a second terminal. An overload protection component is provided between the live wire terminal and the first connection terminal. The overload protection component includes an overload protection shrapnel, an isolation piece, and a reset button. The two ends of the overload protection shrapnel are respectively set to be in normal conduction with the contact end of the live wire terminal. The movable end is a fixed end fixedly connected to the first connection terminal. The reset button is provided with a connection block vertically connected to the spacer. The connection block is provided with a spring in the direction of the vertical spacer. The two ends of the spring They abut against the connecting block and the inner wall of the cavity, respectively; wherein, when the circuit is normally loaded, the spacer is located outside the movable end; when the circuit is overloaded, the spacer is deformed by heat to generate a pull Movable end moves away from the hot terminal contact end tilt direction stresses the spring to push the spacer between the movable end of the contact end and the live terminal.

As a further explanation of the above technical solution:

In the above technical solution, the side wall between the first casing and the second casing is provided with a guide groove leading to the cavity, and the reset button is provided in the guide groove.

In the above technical solution, the first connection terminal is composed of a fixed part connected to the overload protection shrapnel and a connection part for connecting a live wire. The fixed part is provided with a mounting hole. The fixed end of the overload protection shrapnel is provided with A first rivet post fixedly connected to a fixing portion of a first terminal, the first rivet post passing through an installation hole, and the overload protection spring sheet and the first connection terminal being riveted and fixed to the first housing through the first rivet post on.

In the above technical solution, the live wire terminal is provided with a second rivet post, one end of the second rivet post is riveted to the first housing, and the other end of the second rivet post is fixed to the hot wire terminal and formed. The contact end of the live wire terminal, the live wire terminal is riveted and fixed on the first housing through a second rivet post.

In the above technical solution, the neutral wire terminal is provided with a fixing hole, the outer wall of the second housing is provided with a fixing post, and the neutral wire terminal is embedded in the fixing hole and fixedly connected to the second housing through the fixing post. The second connection terminal and the neutral terminal are fixedly connected to form an integrated structure.

In the above technical solution, the second housing is provided with an insert block and two positioning posts toward the first housing, and the first housing is correspondingly provided with a socket and a positioning hole, and the insert block and the The two positioning posts are respectively inserted in the insertion hole and the positioning hole to form a fixed structure of the first casing and the second casing.

In the above technical solution, the cross section of the insert block is rectangular.

Compared with the prior art, the beneficial effects of this creation are: the structure of the creation is reasonable, the operation is convenient, the use is safe and reliable, the service life of the appliance is improved, and the safety of electricity consumption is improved. A two-pin plug can be formed by covering the body outside the body. The overload protection component controls the on-off between the live wire terminal and the first terminal to achieve overload protection; after checking and eliminating the cause of the circuit overload, press the reset button to restore the live wire. Conduction between the terminal and the first connection terminal; the overload protection component is set in the cavity, and the neutral terminal and the second connection terminal are disposed on the outer wall of the second housing to ensure the insulation between the live and neutral wires of the plug. At the same time, the volume of the plug is reduced, which is beneficial for inserting the plug into the socket and improving convenience.

The following further describes the creation in detail with reference to FIGS. 1 to 4.

The embodiments described by referring to the drawings are exemplary and are intended to explain the present application, and should not be construed as limiting the present application. In the description of this application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise, etc. The relationship is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore It should not be construed as a limitation on this application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present application, the meanings of "several" and "multiple" are two or more, unless specifically defined otherwise. In this application, the terms "installation," "connected," "connected," and "fixed" should be broadly understood unless otherwise specified and limited. For example, they can be fixed connections or removable connections. , Or integrally connected; it can be mechanical or electrical; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations. In this application, unless explicitly stated and limited otherwise, the "first" or "under" of the second feature may include the first and second features in direct contact, and may also include the first and second features. Not directly, but through another characteristic contact between them. Moreover, the first feature is "above", "above", and "above" the second feature, including that the first feature is directly above and obliquely above the second feature, or merely indicates that the first feature is higher in level than the second feature. The first feature is “below”, “below”, and “below” of the second feature, including the fact that the first feature is directly below and obliquely below the second feature, or merely indicates that the first feature is less horizontal than the second feature.

As shown in Figure 1-4, a 90 degree angle two-pin plug includes a first housing 1 and a second housing 2 which are fastened to each other, and between the first housing 1 and the second housing 2 A cavity is formed. The first housing 1 is provided with a live wire terminal 31 and a neutral wire terminal 32. The live wire terminal 31 and the neutral wire terminal 32 are respectively connected with a first terminal 33 and a second terminal 34. The cavity is at the hot wire terminal 31. An overload protection component is provided between the first connection terminal 33 and the overload protection component. The overload protection component includes an overload protection shrapnel 4, a spacer 53 and a reset button 5. The two ends of the overload protection shrapnel 4 are respectively set to be in normal contact with the contact end of the live wire terminal 31. The movable end 42 and the fixed end 41 fixedly connected to the first connection terminal 33. The reset button 5 is provided with a connection block 51 vertically connected to the isolation sheet 53. A spring 52 is provided on the connection block 51 along the direction of the vertical isolation sheet 53. The two ends of 52 abut against the connecting block 51 and the inner wall of the cavity. Among them, when the circuit is normally loaded, the spacer 53 is located outside the movable end 42. When the circuit is overloaded, the spacer 53 is deformed by heat to cause the movable end 42 to move away. Stress in the direction of the contact end of the live wire terminal 31 The spring 52 pushes the isolation sheet 53 between the movable end 42 and the contact end of the live wire terminal 31.

The side wall between the first casing 1 and the second casing 2 is provided with a guide groove 6 leading to the cavity, and the reset button 5 is provided in the guide groove 6.

The first connection terminal 33 is composed of a fixing portion connected to the overload protection spring piece 4 and a connection portion connecting the live wire. The fixing portion is provided with a mounting hole 331. The fixing end 41 of the overload protection spring piece 4 is provided with a fixing portion with the first connection terminal 33. The first rivet post 43 is fastened, the first rivet post 43 is penetrated in the mounting hole 331, and the overload protection spring piece 4 and the first connection terminal 33 are riveted and fixed on the first housing 1 through the first rivet post 43.

The hot-wire terminal 31 is provided with a second rivet post 44. One end of the second rivet post 44 is riveted and connected to the first housing 1. The other end of the second rivet post 44 is fixed to the hot-wire terminal 31 and forms a contact end of the hot-wire terminal 31. The hot wire terminal 31 is riveted and fixed on the first housing 1 through the second rivet post 44, and the end of the hot wire terminal 31 passes through the second housing 2 and is arranged in parallel with the zero wire terminal 32.

The neutral terminal 32 is provided with a fixing hole, and the outer wall of the second housing 2 is provided with a fixing post 23. The neutral terminal 32 is embedded in the fixing hole and fixedly connected to the second housing 2 through the fixing post 23; the second connection terminal 34 It is fixedly connected with the neutral terminal 32 to form an integrated structure.

The second housing 2 is provided with an insert block 21 and two positioning posts 22 toward the first housing 1. The first housing 1 is correspondingly provided with a socket 11 and a positioning hole 12, the insert block 21 and two positioning posts. 22 is respectively inserted into the insertion hole 11 and the positioning hole 12 to form a fixing structure of the first casing 1 and the second casing 2.

The cross section of the insert block 21 is rectangular.

The creative structure is reasonable, easy to operate, safe and reliable to use, improve the service life of electrical appliances, and improve the safety of electricity consumption. The two-pin plug can be formed by covering the outer shell of the first shell 1 and the second shell 2 of this creation. The overload protection component controls the on-off between the live wire terminal 31 and the first connection terminal 33 to achieve overload protection. During the normal load of the circuit, the movable end 42 of the overload protection shrapnel 4 and the contact end of the hot wire terminal 31 are conducted, and the isolation plate 53 Located on the outer side of the movable end 42, the spring 52 is in a compressed state; when the circuit is overloaded, the current flowing through the load protection shrapnel 4 is too large, and the overload protection shrapnel 4 heats and deforms, so that the movable end 42 is lifted away from the contact end of the hot wire terminal 31, so that The hot wire terminal 31 is disconnected from the first terminal. At the same time, the separator 53 is moved between the movable terminal 42 and the contact terminal of the hot wire terminal 31 under the push of the spring 52, so that the movable terminal 42 and the hot wire terminal 31 remain isolated. After checking to eliminate the cause of the circuit overload, press the reset button 5 so that the isolation sheet 53 is separated from the movable end 42 and the live wire terminal 31 so that the two are conductive.

The overload protection component is arranged in the cavity, and the neutral wire terminal 32 and the second connection terminal 34 are arranged on the outer wall of the second housing 2 to ensure the insulation between the live wire and the neutral wire of the plug, while reducing the volume of the plug, which is beneficial It is convenient to insert the plug into the socket.

The above does not limit the technical scope of this creation, and any modifications, equivalent changes, and modifications made to the above embodiments based on the essence of this creation technology are still within the scope of the technical solution of this creation.

1‧‧‧first case
11‧‧‧ jack
12‧‧‧ positioning hole
2‧‧‧Second shell
21‧‧‧ Insert block
22‧‧‧Positioning post
23‧‧‧Fixed post
31‧‧‧FireWire Terminal
32‧‧‧ Neutral terminal
33‧‧‧The first terminal
331‧‧‧Mounting hole
34‧‧‧Second terminal block
4‧‧‧ Overload protection shrapnel
41‧‧‧Fixed end
42‧‧‧Activity
43‧‧‧First Rivet Post
44‧‧‧Second rivet post
5‧‧‧ reset button
51‧‧‧connection block
52‧‧‧Spring
53‧‧‧Isolator
6‧‧‧Guide slot

[Figure 1] is a schematic diagram of the three-dimensional structure of this creation.
[Figure 2] is one of the internal structure diagrams of this creation.
[Figure 3] is the second schematic diagram of the internal structure of this creation.
[Figure 4] is a schematic diagram of the decomposition structure of this creation.

Claims (7)

An inner frame structure of a 90-degree angle two-pin plug is characterized in that it includes a first shell and a second shell that are fastened to each other, and a cavity is formed between the first shell and the second shell. The first housing is provided with a live wire terminal and a neutral wire terminal, the live wire terminal and the neutral wire terminal are respectively connected with a first terminal and a second terminal, and the cavity is provided between the hot wire terminal and the first terminal There is an overload protection component. The overload protection component includes an overload protection shrapnel, a spacer, and a reset button. The two ends of the overload protection shrapnel are respectively set as movable ends that are normally in contact with the contact end of the live wire terminal, and are fixedly connected to the first connection terminal. The reset button is provided with a connection block that is vertically connected to the spacer. The connection block is provided with a spring in the direction of the vertical spacer. The two ends of the spring abut against the connection block and the inner wall of the cavity. Wherein, when the circuit is normally loaded, the isolator is located outside the movable end; when the circuit is overloaded, the isolator is deformed by heat to cause the movable end to be pulled away from the contact end of the live wire terminal Stress the spring to push the spacer between the movable end of the contact end and the live terminal. The inner frame structure of a 90-degree angle two-pin plug according to item 1 of the scope of the patent application, wherein the side wall between the first shell and the second shell is provided with a guide groove leading to the cavity, so The reset button is set in the guide slot. The inner frame structure of a 90-degree angle two-pin plug according to item 1 of the scope of the patent application, wherein the first connection terminal is composed of a fixed part connected to the overload protection spring sheet and a connection part connected to a live wire, and the fixed A mounting hole is formed in the part, and a fixed end of the overload protection elastic piece is provided with a first rivet post fixedly connected to the fixing portion of the first terminal. The first rivet post penetrates the installation hole, and the overload protection elastic piece The first connection terminal is riveted and fixed on the first housing through a first rivet post. The inner frame structure of a 90-degree angle two-pin plug according to item 1 of the scope of patent application, wherein the live wire terminal is provided with a second rivet post, and one end of the second rivet post is riveted with the first housing. For connection, the other end of the second rivet post is fixed on the live wire terminal to form a contact end of the live wire terminal, and the live wire terminal is riveted and fixed on the first housing through the second rivet post. The inner frame structure of a 90-degree angle two-pin plug according to item 1 of the scope of patent application, wherein the zero line terminal is provided with a fixing hole, the outer wall of the second housing is provided with a fixing post, and the zero The line terminal is embedded in the fixing hole and fixedly connected to the second housing through the fixing post; the second connection terminal is fixedly connected to the zero line terminal to form an integrated structure. The inner frame structure of a 90-degree angle two-pin plug according to item 1 of the scope of patent application, wherein the second housing is provided with an insert block and two positioning posts toward the first housing, and the first The shell is correspondingly provided with a socket and a positioning hole, and the insert block and the two positioning posts are respectively inserted in the socket and the positioning hole to form a fixed structure of the first shell and the second shell. The inner frame structure of a 90-degree angle two-pin plug according to item 6 of the scope of patent application, wherein the cross section of the insert block is rectangular.