CN112688128A

CN112688128A - DC plug and lamp with same

Info

Publication number: CN112688128A
Application number: CN202011572043.9A
Authority: CN
Inventors: 杨君; 徐凯
Original assignee: Ningbo Self Electronics Co Ltd
Current assignee: Ningbo Self Electronics Co Ltd
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2021-04-20

Abstract

The invention discloses a DC plug, which comprises an insulating seat and a plug body arranged on the insulating seat, wherein an insulating safety support is arranged on the insulating seat, and the safety support comprises: the fixed seat is connected with the insulating seat; the outer blocking parts are distributed around the plug body, the root parts of the outer blocking parts are connected with the fixed seat, and the front ends of the outer blocking parts extend along the direction parallel to the extending direction of the plug body and are flush with the plug body or are longer than the plug body; the invention also discloses a lamp with the DC plug; according to the DC plug and the lamp with the same, the safety support is arranged on the DC plug, so that the DC plug can be prevented from being inserted into a high-voltage socket hole by mistake, safety problems are avoided, the structure is simple, the replacement is convenient, and the universality is ensured.

Description

DC plug and lamp with same

Technical Field

The invention relates to the technical field of plug connectors for power transmission, in particular to a DC plug and a lamp with the same.

Background

The DC plug is called DC head for short, the DC head has many kinds, such as common tuning fork DC male head and direct-insert DC male head, and micro USB head, mini USB head, USB head and cigarette lighter head which are widely used for communication and IT products.

Among the above DC heads, which are most commonly referred to as a "DC head", are a tuning fork DC head and a direct-insertion DC head, which have the same outer diameter and no difference, and the difference is only in the inner wall portion. Two corresponding metal elastic pieces are arranged on the inner wall of the tuning fork DC head, and two spring pieces are arranged on the inner wall of the DC head and are used for being in contact connection with the DC base metal inner pin. The inner wall of the direct-insert DC head is not provided with a spring plate, and the whole inner wall is a smooth metal cylinder which is in contact connection with the inner pin of the DC seat matched with the smooth metal cylinder. When the two DC heads are actually used, the two DC heads are easily inserted into the socket holes of the commercial power by mistake due to the undersize, and potential safety hazards exist.

Disclosure of Invention

In view of the above, the present invention provides a DC plug and a lamp with the DC plug to solve the above technical problems.

The utility model provides a DC plug, includes the insulator seat and sets up the plug body on the insulator seat, be equipped with insulating emergency support on the insulator seat, emergency support includes:

the fixed seat is connected with the insulating seat;

the outer blocking portions are distributed around the plug body, at least two outer blocking portions are distributed around the plug body, the root portions are connected with the fixing seat, and the front end extends along the direction parallel to the extending direction of the plug body and is flush with the plug body or longer than the plug body.

Preferably, the two outer blocking parts are respectively positioned at two opposite sides of the plug body.

Preferably, at least one of the outer catches is hooked.

Preferably, the outer stopper with the hook has elasticity and swings with the root as a fulcrum.

Preferably, the outer blocking part with the hook part is sheet-shaped, and the hook part is arranged on the outer side of the outer blocking part.

Preferably, the outer barrier with the hook portion is provided with a raised pressing portion on the outer side near the root portion.

Preferably, the fixed seat and the insulating seat are detachably connected.

Preferably, the fixing seat is of a sleeve structure matched with the outer wall of the insulating seat, the sleeve is provided with a fixing hole, and the outer wall of the insulating seat is provided with a bulge matched with the fixing hole.

Preferably, the fixed orifices are provided with two groups which are distributed on two sides of the fixed seat, and two groups are arranged at intervals along the direction parallel to the extending direction of the plug body.

A lamp comprises a lamp body and the DC plug, wherein the lamp body is provided with an end cover assembly and a power socket, and the end cover assembly is provided with a power jack opposite to the power socket and a connecting hole for inserting the outer blocking part.

The invention has the technical effects that:

according to the DC plug and the lamp with the same, the safety support is arranged on the DC plug, so that the DC plug can be prevented from being inserted into a high-voltage socket hole by mistake, safety problems are avoided, the structure is simple, the replacement is convenient, and the universality is ensured.

Drawings

Embodiments of the invention are described below with reference to the accompanying drawings, in which:

fig. 1 is a schematic perspective view of a DC plug of this embodiment.

Fig. 2 is a schematic structural diagram of the DC plug of the present embodiment.

Fig. 3 is an exploded view of the DC plug of the present embodiment.

Fig. 4 is a schematic structural diagram of the lamp of the present embodiment.

Fig. 5 is a schematic cross-sectional view of the lamp of the present embodiment.

Fig. 6 is a schematic structural diagram of the lamp body of the present embodiment.

Detailed Description

Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

As shown in fig. 1 to 3, the DC plug 1000 of the present embodiment includes an insulating base 100 and a plug body 200 disposed on the insulating base 100, wherein an insulating safety bracket 300 is disposed on the insulating base 100. In the present invention, the DC plug 1000 refers to a tuning fork DC plug and a direct-plug DC plug or plugs similar to them in size and structure, and they are all provided with a plug body 200 made of a protruding metal material, and in order to prevent erroneous insertion and eliminate potential safety hazards, in this embodiment, the radial size of the plug body 200 is enlarged by providing an insulating safety bracket 300, so that the plug body 200 is prevented from being erroneously inserted into a high-voltage socket hole.

The safety bracket 300 can be made of various insulating materials such as PC, nylon, ceramic and the like, wherein the PC and the nylon have low manufacturing cost and can be selected as the preferred materials.

The safety bracket 300 comprises a fixed seat 301 and an outer baffle part 302, wherein the fixed seat 301 is connected with the insulating seat 100; the connection here may be an integral molding, or may be a connection by a fastener, or may be a detachable connection, and in order to improve the general purpose, in this embodiment, the fixing base 301 and the insulating base 100 are detachably connected.

In this embodiment, in order to reduce parts, the fixing base 301 is a sleeve structure that is matched with the outer wall of the insulating base 100, the sleeve may be closed or opened, the sleeve is provided with a fixing hole 3011, and the outer wall of the insulating base 100 is provided with a protrusion 101 that is matched with the fixing hole 3011. In addition, the inner wall of the sleeve is provided with a guide structure, such as a guide groove 3012, to improve the assembly efficiency.

In order to improve the versatility, the fixing holes 3011 of this embodiment are provided with two groups, which are distributed on two sides of the fixing base 301, and two groups are provided at intervals along a direction parallel to the extending direction of the plug body 200. The matching relationship between the fixing hole 3011 and the protrusion 101 can be adjusted according to the required extension length.

The outer blocking portions 302 are distributed around the plug body 200 in at least two numbers, in this embodiment, the outer blocking portions 302 are two and are respectively located on two opposite sides of the plug body 200.

The root 305 of the outer retaining part 302 is connected with the fixed seat 301, and the front end 306 extends along the direction parallel to the extending direction of the plug body 200 and is flush with the plug body 200 or is longer than the plug body 200, so that the misplugging can be effectively prevented.

In order to provide the mounting bracket 300 with the anti-slip function, at least one of the outer stopper portions 302 is provided with a hook portion 303. In this embodiment, only one of the two outer stops 302 has a hook 303.

For the convenience of mounting and dismounting, the outer blocking part 302 with the hook part 303 has elasticity and swings with the root part 305 as a fulcrum.

The outer shield 302 with the hook 303 is a tab, and the hook 303 is disposed outside the outer shield 302.

The outer stopper 302 with the hook 303 has a raised pressing portion 304 on the outer side near the root 305. The outer surface of the pressing portion 304 is provided with anti-slip lines.

As shown in fig. 4 to 6, the lamp of the present embodiment includes a lamp body 2000 and a DC plug 1000, the lamp body 2000 has an end cap assembly 2001 and a power socket 2002, and the end cap assembly 2001 is provided with a power jack 2003 opposite to the power socket 2002 and a connection hole 2004 for inserting the external blocking portion 302. The widths of the two outer blocking portions 302 are different, and correspondingly, the widths of the two connecting holes 2004 are also different, so that reverse insertion can be prevented.

The end cover assembly 2001 may be only an end cover itself, and sometimes there are other components, for example, in this embodiment, the end cover assembly 2001 is further provided with two fixing plates 2006 outside the end cover 2005, the two connecting holes 2004 are distributed on two sides of the power jack 2003, and the hook 303 is engaged with the back surface of the end cover 2005, so that the plug can be prevented from falling off.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.

Claims

1. A DC plug (1000), comprising an insulating seat (100) and a plug body (200) arranged on the insulating seat (100), wherein the insulating seat (100) is provided with an insulating safety support (300), the safety bracket (300) includes:

a fixing seat (301), connected with the insulating seat (100);

At least two outer blocking parts (302) are distributed around the plug body (200), the root part (305) is connected with the fixing seat (301), and the front end (306) is along the connection with the plug body (200). A direction parallel to the protruding direction extends and is flush with the plug body (200) or longer than the plug body (200).

2 . The DC plug ( 1000 ) according to claim 1 , wherein there are two outer blocking portions ( 302 ), which are respectively located on opposite sides of the plug body ( 200 ). 3 .

3. The DC plug (1000) according to claim 1, characterized in that, at least one outer blocking portion (302) is provided with a hook portion (303).

4 . The DC plug ( 1000 ) according to claim 1 , wherein the outer blocking portion ( 302 ) with the hook portion ( 303 ) has elasticity and swings with the root portion ( 305 ) as a fulcrum. 5 .

5. The DC plug (1000) according to claim 4, characterized in that the outer block (302) with hooks (303) is sheet-shaped, and the hooks (303) are arranged on the outer block part (302).

6 . The DC plug ( 1000 ) according to claim 5 , wherein the outer blocking portion ( 302 ) with the hook portion ( 303 ) is provided with an arched pressing portion ( 304 ) on the outer side near the root portion ( 305 ). 7 . ).

7. The DC plug (1000) according to any one of claims 1 to 6, wherein the fixing seat (301) and the insulating seat (100) are detachably connected.

8 . The DC plug ( 1000 ) according to claim 7 , wherein the fixing seat ( 301 ) is a sleeve structure matched with the outer wall of the insulating seat ( 100 ), and the sleeve is provided with A fixing hole (3011), the outer wall of the insulating seat (100) is provided with a protrusion (101) corresponding to the fixing hole (3011).

9. The DC plug (1000) according to claim 8, characterized in that, the fixing holes (3011) are provided with two groups, which are distributed on both sides of the fixing seat (301), and each group is along the Two of the plug bodies (200) are arranged at intervals in the direction parallel to the extension direction.

10. A lamp, characterized by comprising a lamp body (2000) and the DC plug (1000) according to any one of claims 1 to 9, the lamp body (2000) having an end cap assembly (2001) ) and a power socket (2002), the end cover assembly (2001) is provided with a power socket (2003) opposite to the power socket (2002) and a connection hole ( 2004).