CN217114908U

CN217114908U - Safety power socket

Info

Publication number: CN217114908U
Application number: CN202220307106.6U
Authority: CN
Inventors: 谢奉孟; 姜华
Original assignee: Taizhou Baoluda Electrical Technology Co ltd
Current assignee: Taizhou Baoluda Electrical Technology Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-08-02
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses a safety power socket, which comprises a shell seat and a socket module; the socket module comprises a module shell fixed on the shell seat, and an L-pole conductive structure and an N-pole conductive structure which are arranged in the module shell, wherein the L-pole conductive structure and the N-pole conductive structure both comprise conductive plug bushes and wiring terminals, conductive slots are arranged on the conductive plug bushes, and through holes for inserting pins on the external plug are formed in the positions, opposite to the conductive slots, on the module shell; the conductive plug bush is of an integrally formed structure, one side of the conductive slot is provided with an elastic clamping arm, a movable contact is arranged on the elastic clamping arm, a fixed contact is arranged on the connecting terminal corresponding to the movable contact, the fixed contact and the movable contact keep a distance in a normal state, and when the plug pin is inserted into the conductive slot through the through hole, the elastic clamping arm is pushed to deform and the fixed contact and the movable contact are in corresponding contact to form electric connection. The utility model provides a supply socket's structure process optimal design combines rationally, and the safety in use is high, has fine practicality.

Description

Safety power socket

Technical Field

The utility model relates to a safe type supply socket belongs to supply socket structural design technical field.

Background

The power socket is power supply equipment for providing a power interface for electric equipment, is provided with jacks, and inserts pins of a power connection plug on the electric equipment into the jacks to connect a power supply. However, the existing power socket has certain potential safety hazard in practical use, especially young children are easy to hold the conductive object down to insert into the jack in curiosity so as to cause electric shock accidents, and therefore the existing power socket structure has room for improvement.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing a safe type supply socket.

Realize the utility model discloses the technical scheme of purpose is:

a safety power socket comprises a shell seat and a socket module arranged on the shell seat; the socket module comprises a module shell fixed on the shell seat, and an L-pole conductive structure and an N-pole conductive structure which are arranged in the module shell, wherein the L-pole conductive structure and the N-pole conductive structure both comprise conductive plug bushes and wiring terminals, conductive slots are arranged on the conductive plug bushes, and through holes for inserting pins on an external plug are formed in the positions, opposite to the conductive slots, on the module shell;

the conductive plug bush is of an integrally formed structure, an elastic clamping arm is arranged on one side of the conductive slot, a movable contact is arranged on the elastic clamping arm, a fixed contact is arranged on the connecting terminal corresponding to the movable contact, the fixed contact and the movable contact keep a distance in a normal state, and when the plug pin is inserted into the conductive slot through the through hole, the elastic clamping arm is pushed to deform and the fixed contact and the movable contact are in corresponding contact to form electric connection.

In the above technical solution, the elastic clip arm is stamped with a protruding portion protruding into the conductive slot.

In the above technical scheme, the protruding portion is a strip-shaped protrusion, and the length direction of the strip-shaped protrusion is perpendicular to the inserting direction of the plug pin into the conductive slot.

In the above technical solution, one side of the elastic clamp arm is connected with the conductive plug bush as a whole through a connecting portion, the other side is provided with an extending portion, the moving contact is arranged on the extending portion, and the connecting portion is of an arc-shaped sheet structure.

In the technical scheme, the wiring terminal comprises a conductive sheet positioned on the module shell, a wiring frame connected with the conductive sheet and a wire pressing screw arranged at one end of the wiring frame, and the static contact is fixed on the conductive sheet.

In the above technical scheme, be equipped with the location slot in the module casing, be equipped with location inserted sheet portion on the conducting strip, location inserted sheet portion with the cooperation of pegging graft of location slot.

In the technical scheme, the rear part of the module shell is also fixedly provided with a limiting rear cover, the limiting rear cover is provided with a crimping boss which tightly supports the conductive plug bush and the conductive sheet on the module shell, and the limiting rear cover is provided with a wire inlet hole at a position corresponding to the wire frame.

In the above technical scheme, the conductive plug bush is provided with a positioning hole, the module shell is internally provided with a positioning column matched with the positioning hole, and the positioning column is in inserting fit with the positioning hole to form a positioning structure.

In the technical scheme, the rear part of the limiting rear cover is provided with the transparent cover shell, and a gap for a lead to pass through is arranged between the transparent cover shell and the limiting rear cover.

The utility model discloses has positive effect: the utility model provides a supply socket is when the installation is used, thereby it makes the circuit be in the state of opening circuit to keep the interval with the movable contact at normal state (participating in when not inserting the perforation of external plug promptly), can not take place the electric shock accident by the perforation when inserting with the contact of electrically conductive plug bush with electrically conductive object this moment, the safety in utilization has been improved, only when participating in fully inserting the perforation of external plug, it takes place elastic deformation to promote the elastic arm lock at participating in the insertion process, make the movable contact take place to remove and the electric shock connection to the stationary contact, the circuit is switched on under this state and realizes normal power supply, supply socket structure in this embodiment is optimized rationally, can improve safety in utilization, has very strong practicality, be suitable for extensive popularization.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. In the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of a power socket of the present invention;

fig. 2 is a schematic structural diagram of the socket module of the present invention;

fig. 3 is a cross-sectional view of a jack module according to the present invention;

fig. 4 is an exploded view of a jack module according to the present invention;

fig. 5 is a schematic structural view of the middle limit rear cover of the present invention;

fig. 6 is a schematic structural view of the conductive plug bush of the present invention;

FIG. 7 is a front view of the conductive insert of FIG. 6;

FIG. 8 is a cross-sectional view taken along line A-A of FIG. 7;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 7;

fig. 10 is a schematic structural diagram of the middle connection terminal of the present invention.

The reference symbols shown in the figures are: 1-a shell base; 2-a socket module; 21-a module housing; 210-a locating post; 211-perforation; a 22-L pole conductive structure; 23-an N-pole conductive structure; 24-a conductive insert; 240-positioning holes; 241-a conductive slot; 25-elastic clamping arms; 250-a guide sheet; 251-a movable contact; 252-a boss; 253-a connecting part; 254-an extension; 26-stationary contact; 27-a conductive sheet; 28-a wiring frame; 281-line pressing screws; 3-limiting a rear cover; 31-crimping bosses; 32-wire inlet holes; 4-a transparent enclosure; 5-gap.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

A safety power socket, as shown in fig. 1 to 10, includes a housing 1 and a socket module 2 disposed on the housing 1; the socket module 2 comprises a module shell 21 fixed on the shell base 1, and an L-pole conductive structure 22 and an N-pole conductive structure 23 arranged in the module shell 21, wherein the L-pole conductive structure 22 and the N-pole conductive structure 23 both comprise a conductive plug bush 24 and a wiring terminal, the conductive plug bush 24 is provided with a conductive slot 241, and a through hole 211 for inserting a pin on an external plug is formed in the position, opposite to the conductive slot 241, of the module shell 21; the conductive plug 24 is an integrally formed structure, an elastic clip arm 25 is arranged on one side of the conductive slot 241, a moving contact 251 is arranged on the elastic clip arm 25, a fixed contact 26 is arranged on the terminal corresponding to the moving contact 251, the fixed contact 26 and the moving contact 251 keep a distance in a normal state, and when the pin is inserted into the conductive slot 241 through the through hole 211, the elastic clip arm 25 is pushed to deform and the fixed contact 26 and the moving contact 251 correspondingly contact to form an electrical connection. When the power socket in this embodiment is installed and used, the distance between the fixed contact 26 and the movable contact 251 is kept in a normal state (i.e. when the pin of the external plug is not inserted into the through hole 211), so that the circuit is in an open circuit state, at this time, an electric shock accident does not occur when the conductive object is inserted into the conductive plug bush 24 from the through hole 211, so that the safety in use is improved, only when the pin of the external plug is fully inserted into the through hole 211, the elastic clamping arm 25 is pushed to elastically deform in the process of inserting the pin, so that the movable contact 251 is moved to the fixed contact 26 and is contacted to realize electric connection, and the circuit is switched on to realize normal power supply in this state.

In this embodiment, the elastic clip arm 25 is bent at the insertion opening of the conductive slot 241 to form an outward-inclined guide tab 250, and the guide tab 250 can play a guiding role, so that the insertion of the pin of the external plug into the conductive slot 241 is facilitated.

In this embodiment, the elastic clip arm 25 is formed with a protruding portion 252 protruding into the conductive slot 241 by stamping, and by providing the protruding portion 252, when the pin is inserted into the conductive slot 241, the pin can interfere with the protruding portion 252 to generate a pushing force on the elastic clip arm 25, so as to urge the movable contact 251 and the stationary contact 26 to contact.

Further, in this embodiment, the protruding portion 252 is a strip-shaped protrusion, the length direction of the strip-shaped protrusion is perpendicular to the insertion direction of the pin into the conductive slot 241, and the protruding portion 252 is a strip-shaped protrusion to facilitate the pin to interfere with the protruding portion 252.

Furthermore, in this embodiment, one side of the elastic arm 25 is connected to the conductive plug 24 via a connecting portion 253, and the other side is provided with an extending portion 254, the movable contact 251 is disposed on the extending portion 254, and the connecting portion 253 is configured to be an arc-shaped piece structure, so that the elastic arm 25 can maintain good elasticity.

In this embodiment, the connection terminal includes a conductive sheet 27 positioned on the module housing 21, a connection frame 28 connected to the conductive sheet 27, and a pressing screw 281 disposed at one end of the connection frame 28, the stationary contact 26 is fixed on the conductive sheet 27, when connecting the wires, the end of the wire is inserted into the connection frame 28, and then the pressing screw 281 is tightened to move the connection frame 28 relative to the conductive sheet 27 so as to press the end of the wire against the conductive sheet 27, thereby achieving electrical connection.

As a preferable scheme of this embodiment, in order to reliably mount the connection terminal and avoid displacement after mounting, in this embodiment, a positioning slot is provided in the module case 21, and a positioning tab portion is provided on the conductive tab 27, and the positioning tab portion is in insertion fit with the positioning slot, so as to position the conductive tab 27; the wire frame 28 in this embodiment may be movably sleeved on the conductive sheet 27, or may be fixedly connected to the conductive sheet 27 by riveting.

In this embodiment, a limiting rear cover 3 is further fixed to the rear portion of the module housing 21, a crimping boss 31 for tightly abutting the conductive plug bush 24 and the conductive sheet 27 on the module housing 21 is disposed on the limiting rear cover 3, and a wire inlet hole 32 is disposed in a position, corresponding to the wire frame 28, on the limiting rear cover 3.

In this embodiment, the conductive plug bush 24 is provided with a positioning hole 240, the module housing 21 is provided with a positioning column 210 matching with the positioning hole 240, the positioning column 210 and the positioning hole 240 are inserted and matched to form a positioning structure, and the positioning effect on the conductive plug bush 24 is enhanced by matching the positioning column 210 and the positioning hole 240.

As another implementation manner of the above embodiment, a transparent cover 4 is installed at the rear portion of the limiting rear cover 3, a gap 5 for a wire to pass through is formed between the transparent cover 4 and the limiting rear cover 3, a certain shielding protection effect can be achieved by arranging the transparent cover 4, and the transparent cover is arranged to be transparent so that the wiring condition of the wiring terminal can be conveniently checked from the outside.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims

1. A safety power socket comprises a shell seat (1) and a socket module (2) arranged on the shell seat (1); the socket module (2) comprises a module shell (21) fixed on the shell seat (1), and an L-pole conductive structure (22) and an N-pole conductive structure (23) arranged in the module shell (21), wherein the L-pole conductive structure (22) and the N-pole conductive structure (23) both comprise a conductive plug bush (24) and a wiring terminal, a conductive slot (241) is arranged on the conductive plug bush (24), and a through hole (211) for inserting a pin on an external plug is formed in the position, opposite to the conductive slot (241), of the module shell (21);

the conductive plug bush is characterized in that the conductive plug bush (24) is of an integrally formed structure, an elastic clamping arm (25) is arranged on one side of the conductive slot (241), a movable contact (251) is arranged on the elastic clamping arm (25), a fixed contact (26) is arranged on the terminal at a position corresponding to the movable contact (251), the fixed contact (26) and the movable contact (251) keep a distance in a normal state, and when the pins are inserted into the conductive slot (241) through the through holes (211), the elastic clamping arm (25) is pushed to deform, and the fixed contact (26) and the movable contact (251) are correspondingly contacted to form electric connection.

2. The safety power socket according to claim 1, wherein the resilient clip arms (25) are stamped with protrusions (252) protruding into the conductive slots (241).

3. The safety power socket according to claim 2, wherein the protrusion (252) is a strip-shaped protrusion, and the length direction of the strip-shaped protrusion is perpendicular to the insertion direction of the pins into the conductive slots (241).

4. The safety type power socket according to claim 1, wherein one side portion of the elastic clamping arm (25) is connected with the conductive plug bush (24) into a whole through a connecting portion (253), the other side portion is provided with an extending portion (254), the movable contact (251) is arranged on the extending portion (254), and the connecting portion (253) is of an arc-shaped sheet structure.

5. The safety power socket according to claim 1, wherein the terminal comprises a conductive plate (27) positioned on the module housing (21), a terminal frame (28) connected with the conductive plate (27), and a pressing screw (281) arranged at one end of the terminal frame (28), and the stationary contact (26) is fixed on the conductive plate (27).

6. The safety power socket according to claim 5, wherein a positioning slot is formed in the module housing (21), and a positioning tab portion is formed on the conductive tab (27), and the positioning tab portion is inserted into the positioning slot.

7. The safety power socket according to claim 5, wherein a limiting rear cover (3) is further fixed to the rear portion of the module housing (21), a crimping boss (31) for tightly abutting the conductive plug bush (24) and the conductive sheet (27) on the module housing (21) is arranged on the limiting rear cover (3), and a wire inlet hole (32) is formed in the limiting rear cover (3) and corresponds to the wire connection frame (28).

8. The safety power socket according to claim 7, wherein a positioning hole (240) is formed in the conductive plug bush (24), a positioning column (210) matched with the positioning hole (240) is formed in the module housing (21), and the positioning column (210) is inserted into and matched with the positioning hole (240) to form a positioning structure.

9. The safety power socket according to claim 7, wherein a transparent cover (4) is mounted at the rear part of the limiting rear cover (3), and a gap (5) for a lead to pass through is arranged between the transparent cover (4) and the limiting rear cover (3).