CN210744258U

CN210744258U - Plug-in type power plug inner shell

Info

Publication number: CN210744258U
Application number: CN201921867094.7U
Authority: CN
Inventors: 李炳; 李剑峰; 张新安; 陈俊坤
Original assignee: Yimo Steel Mold Hardware Shenzhen Co Ltd
Current assignee: Yimo Steel Mold Hardware Shenzhen Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-12
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to a plug-in type power plug inner shell, which comprises a box body with an opening at one side, a box cover which is integrally formed at one side of the opening side of the box body and can rotate relative to the box body, and two clapboards arranged in the box cover, wherein the clapboard divides the box body into three independent installation cavities, one end of the installation cavity on the box body is provided with a through hole for a metal contact sheet to pass through, and the other end of the installation cavity on the box body is provided with a notch for a lead to pass through; the free end of the box cover is matched with the box body in a clamping mode. The advantages are that: the exposed parts of the metal wires connected with different metal contact wires can be isolated, and the short circuit and leakage accidents caused by the contact of the metal wires in different wires in the inner shell of the plug are avoided.

Description

Plug-in type power plug inner shell

Technical Field

The utility model relates to a plug especially relates to a plug-in type power plug inner shell.

Background

The plug mainly comprises a plug inner shell, a metal contact piece connected to the plug inner shell, a conducting wire connected to the metal contact piece and an insulating rubber wrapping the plug inner shell. At present, two connection modes of a common metal contact piece and a falling inner part are mainly adopted, one mode is that a metal pipe is formed on the metal contact piece, the end part of a lead is inserted into the metal pipe, and the part of the lead inserted into the metal pipe is not wrapped by an insulating outer skin; the connection mode is mainly characterized in that the metal contact piece and the lead are connected together by inserting the lead into the metal tube and then pressing the metal tube flat. Another common connection method between the metal contact and the wire is to screw a screw on the metal contact, the end of the wire is clamped between the screw and the metal contact, and the wire is wrapped by the part clamped between the screw and the metal contact without an insulating sheath. When connecting a wire to a metal contact, a small amount of wire in the wire is sometimes not fixed into a metal tube or between a screw and the metal contact; when the insulating rubber coating is injected at high temperature, sometimes the metal wire on the wire can be separated from the space between the screw and the metal contact piece; therefore, in the use process, the metal wires in different leads sometimes touch together to cause short circuit and leakage accidents, and the life and property of users are lost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plug inner shell, its advantage is: the exposed parts of the metal wires connected with different metal contact wires can be isolated, and the short circuit and leakage accidents caused by the contact of the metal wires in different wires in the inner shell of the plug are avoided.

The above object of the present invention can be achieved by the following technical solutions: an inner shell of a plug-in type power plug comprises a box body with an opening at one side, a box cover which is integrally formed at one side of the opening side of the box body and can rotate relative to the box body, and two clapboards arranged in the box cover, wherein the clapboards divide the box body into three independent mounting cavities; the free end of the box cover is matched with the box body in a clamping mode.

Through the technical scheme, when the metal contact that will be connected with the wire is packed into the plug inner shell, can put into each corresponding installation cavity respectively with the metal contact of difference, the installation cavity is also put into to the naked part of wire tip simultaneously, then with the lid lock to the box body on to make the baffle separate the wire of difference, thereby avoid because the short circuit that the wire in the different wires contacted in the plug inner shell and caused, the emergence of electric leakage accident, great improvement the security.

The utility model discloses further set up to: the box body is provided with one side of the opening, one side of the box body far away from the opening is connected with a limiting plate, a partition plate is arranged between every two adjacent openings, the partition plate is connected to the side, far away from the through hole, of the box body, and the side, facing the opening, of the limiting plate is connected to the side, far away from the through hole, of the box body.

Through above-mentioned technical scheme, when insulating rubber foreskin injection moulding, because the wire is heated, the condition that has the wire to take out from the installation cavity has very little possibility to appear, and the setting of limiting plate and division board then can separate different wires, avoids the wire that takes out from the installation cavity on the adjacent wire to contact each other to the security has been improved.

The utility model discloses further set up to: a first reinforcing rib is fixed between one side of the limiting plate, which is opposite to the opening, and the box body.

Through above-mentioned technical scheme, strengthen being connected between limiting plate and the box body to greatly reduced limiting plate is pressed the possibility of breaking when the insulating rubber foreskin is moulded plastics.

The utility model discloses further set up to: the inboard rigid coupling of lid has first joint piece, the lid is closed when on the box body, first joint piece orientation the one side of lid hinged end is tightly butt in one side of some baffle lid hinged end dorsad.

Through the technical scheme, when the lid rotated around its hinged end and was close to the box body opening gradually, first joint piece at first can contact the upside that corresponds the baffle and keep away from the edge of lid hinged end, along with the further rotation of lid, baffle and lid can take place slight deformation to make the lid can be smooth lock to the box body on, first joint piece orientation this moment the one side of lid hinged end tightly butt in the one side of a certain baffle lid hinged end dorsad, make the lid can not open under the condition of no human intervention.

The utility model discloses further set up to: the one side of first joint piece towards the lid hinged end with the one side transition department processing of first joint piece dorsad lid has the chamfer.

Through above-mentioned technical scheme for the lid is closed more easily to the box body.

The utility model discloses further set up to: the inboard rigid coupling of lid has the second joint piece, the lid is closed when on the box body, the second joint piece dorsad the one side of lid hinged end is tightly supported in one side of certain baffle towards the lid hinged end.

Through the technical scheme, when the lid rotates around its hinged end and is close to the box body opening gradually, the one side of second joint piece dorsad lid hinged end and the one side transition department of second joint piece dorsad lid can at first contact and correspond baffle towards lid hinged end one side, along with the further rotation of lid, baffle and lid can take place slight deformation to make the lock that the lid can be smooth to the box body on, the second joint piece dorsad this moment the one side of lid hinged end tightly butt in one side of certain baffle towards the lid hinged end, make the lid can not open under the condition of no artificial intervention.

The utility model discloses further set up to: one side of the box cover close to the opening is provided with a pressing bulge, and when the box cover is buckled on the box body, the pressing bulge is matched with the side wall of the box body to clamp the lead.

Through the technical scheme, the difficulty of the metal wire taken out from the installation cavity during injection molding of the insulating rubber wrapping can be greatly improved, so that the probability of the metal wire taken out from the installation cavity is reduced, and the safety of the power plug is improved.

The utility model discloses further set up to: and a second reinforcing rib is formed between the partition plate and the bottom of the box body.

Through above-mentioned technical scheme, improve the connection structure intensity between baffle and the box body, effectively prevent when insulating rubber sheath injection moulding, the condition that the box body bottom is inwards sunken appears.

To sum up, the utility model discloses a beneficial technological effect does:

1. the exposed parts of the metal wires connected with different metal contact wires can be isolated, so that short circuit and electric leakage accidents caused by the contact of the metal wires in different wires in the inner shell of the plug are avoided;

2. when the insulating rubber sheath is subjected to injection molding, the wires are heated, so that the situation that the wires are drawn out of the installation cavity is very low, the limiting plates and the partition plates can separate different wires, the wires drawn out of the installation cavity on adjacent wires are prevented from contacting with each other, and the safety is improved;

3. when the box cover is buckled on the box body, the abutting bulge can be matched with the side wall of the box body to clamp the wires, the probability that the metal wires are drawn out from the installation cavity is reduced, and the safety of the power plug is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the present invention for embodying the first reinforcing bead.

In the figure, 1, a box body; 11. a partition plate; 12. a mounting cavity; 13. a through hole; 14. opening the gap; 15. a second reinforcing rib; 2. a box cover; 21. a first clamping block; 22. a second clamping block; 23. pressing the protrusion; 3. a limiting plate; 31. a first reinforcing rib; 4. a partition plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, in order to disclose the inner shell of the plug-in type power plug of the present invention, the inner shell comprises a box body 1 with an opening on one side, a box cover 2 integrally formed on one side of the opening side of the box body 1 and capable of rotating relative to the box body 1, and two parallel partition plates 11 arranged in the box cover 2, wherein the two partition plates 11 separate the box body 1 into three independent installation cavities 12; one end of the box body 1 is provided with three through holes 13 which are respectively communicated with the three mounting cavities 12, and the through holes 13 are used for metal contact pieces to pass through; and three gaps 14 which are respectively communicated with the three mounting cavities 12 are formed at the other end of the box body 1 close to the opening side of the box body 1, and the gaps 14 are used for leading a lead to pass through.

Referring to fig. 1, for convenience of description, the side of the box cover 2 connected to the box body 1 is defined as the hinge end of the box cover 2, and the side of the box cover 2 away from the hinge end is defined as the free end of the box cover 2. Be close to 2 free end departments integrated into one piece of lid in 2 inboards of lid and have first joint piece 21, first joint piece 21 is provided with a plurality ofly along 11 length direction intervals of baffle, and the one side of the hinged end of lid 2 orientation in first joint piece 21 and the one side transition department processing of first joint piece 21 dorsad lid 2 have the chamfer. When lid 2 rotated around its hinged end and was close to 1 opening of box body gradually, first joint piece 21 was equipped with that the chamfer can at first contact the top edge of keeping away from 2 hinged ends of lid 11, and along with the further rotation of lid 2, baffle 11 and lid 2 can take place slight deformation to make lid 2 lock that can be smooth to the box body 1 on, first joint piece 21 orientation this moment the one side of 2 hinged ends of lid tightly butt in the one side of the 2 hinged ends of a certain baffle 11 dorsad lid, make lid 2 can not open under the condition of no human intervention.

Referring to fig. 1, a plurality of second clamping blocks 22 are integrally formed at the inner side of the box cover 2 near the hinge end of the box cover 2, and the second clamping blocks 22 are arranged at intervals along the length direction of the partition plate 11; when lid 2 rotates around its hinged end and is close to 1 opening of box body gradually, the one side of the one side transition department of the one side of the two sides of.

Referring to fig. 1, one side of the box cover 2 close to the opening 14 is provided with three pressing protrusions 23, the three pressing protrusions 23 correspond to the three openings 14 on the box body 1 respectively, when the box cover 2 is buckled on the box body 1, the pressing protrusions 23 can be matched with the side wall of the box body 1 to clamp wires in the corresponding openings 14, so that difficulty in drawing the metal wire out of the mounting cavity 12 during injection molding of the insulating rubber wrapping is improved, probability of drawing the metal wire out of the mounting cavity 12 is reduced, and safety of the power plug is improved.

In addition, referring to fig. 1, in order to prevent the bottom of the box body 1 from sinking inwards during the injection molding of the insulating rubber sheath, a plurality of second reinforcing ribs 15 are integrally formed between the partition plate 11 and the bottom of the box body 1. When lid 2 is closed on box body 1, first joint piece 21 and second joint piece 22 can with the second strengthening rib 15 butt that corresponds in the box body 1 to avoid lid 2 to be crushed when insulating rubber foreskin injection moulding.

Referring to fig. 1, since the wire is heated during the injection molding of the insulating rubber sheath, there is little possibility that the wire is drawn out of the installation cavity 12; therefore, the limiting plate 3 is integrally formed on the outer side of one end of the box body 1, which is provided with the notch 14, the limiting plate 3 is positioned on one side of the end part of the box body 1, which is far away from the notch 14, and the limiting plate 3 is parallel to the bottom of the box body 1; two division plates 4 are integrally formed on the outer side of one end, provided with the notch 14, of the box body 1, the two division plates 4 are respectively positioned between the two adjacent notches 14, and the division plates 4 and one side, facing the notch 14, of the limiting plate 3 are also integrally formed. The limiting plate 3 and the partition plate 4 are arranged to separate different wires, so that the wires drawn out from the mounting cavity 12 on the adjacent wires are prevented from contacting with each other, and the safety is improved.

In addition, referring to fig. 2, in order to strengthen the connection between the limit plate 3 and the box body 1, a first reinforcing rib 31 is fixed between the side of the limit plate 3 opposite to the notch 14 and the box body 1.

The principle of the embodiment is as follows: when the metal contact that will be connected with the wire is packed into the plug inner shell, can put into each corresponding installation cavity 12 respectively with the metal contact of difference, the installation cavity 12 is also put into to the naked part of wire tip simultaneously, then with lid 2 lock to box body 1 on to make baffle 11 separate the wire of difference, thereby avoid because the short circuit that the wire in the different wires contacted in the plug inner shell and caused, the emergence of electric leakage accident, great improvement the security.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a plug-in type power plug inner shell which characterized by: the box comprises a box body (1) with an opening at one side, a box cover (2) which is integrally formed on one side of the opening side of the box body (1) and can rotate relative to the box body (1), and two partition plates (11) arranged in the box cover (2), wherein the box body (1) is divided into three independent mounting cavities (12) by the partition plates (11), through holes (13) for metal contact sheets to pass through are formed in one ends of the mounting cavities (12) on the box body (1), and openings (14) for leads to pass through are formed in the other ends of the mounting cavities (12) on the box body (1); the free end of the box cover (2) is matched with the box body (1) in a clamping mode.

2. The inner housing of a plug-in power plug of claim 1, wherein: one side that box body (1) was equipped with opening (14), keep away from opening (14) one side be connected with limiting plate (3), be provided with division board (4) between two adjacent openings (14), division board (4) are connected and are kept away from through-hole (13) one side and limiting plate (3) on one side of opening (14) on box body (1).

3. The inner housing of a plug-in power plug of claim 2, wherein: a first reinforcing rib (31) is fixed between one side of the limiting plate (3) facing away from the notch (14) and the box body (1).

4. The inner housing of a plug-in power plug of claim 1, wherein: lid (2) inboard rigid coupling has first joint piece (21), lid (2) are closed when on box body (1), first joint piece (21) orientation the one side of lid (2) hinged end is tightly supported in one side of certain baffle (11) lid (2) hinged end dorsad.

5. The inner housing of a plug-in power plug of claim 4, wherein: first joint piece (21) towards the one side of lid (2) hinged end with the one side transition department processing of first joint piece (21) lid (2) dorsad has the chamfer.

6. The inner housing of a plug-in power plug of claim 1, wherein: lid (2) inboard rigid coupling has second joint piece (22), lid (2) are closed when on box body (1), second joint piece (22) dorsad the one side of lid (2) hinged end is in one side of certain baffle (11) orientation lid (2) hinged end tightly butt.

7. The inner housing of a plug-in power plug of claim 1, wherein: one side of the box cover (2) close to the opening (14) is provided with a pressing bulge (23), and when the box cover (2) is buckled on the box body (1), the pressing bulge (23) is matched with the side wall of the box body (1) to clamp the wires.

8. The inner housing of a plug-in power plug of claim 1, wherein: and a second reinforcing rib (15) is formed between the partition plate (11) and the bottom of the box body (1).