Internal power connection structure of quick-connection electric plug

Abstract

The utility model provides an internal power connection structure of a quick-connection electric plug, which comprises a copper pipe, a copper column, a first wire and a second wire, the first wire is connected with the outer side wall of the copper pipe, the second wire penetrates through the copper pipe and then is connected with the copper column, a first insulation isolation sleeve is arranged between the copper pipe and the copper column, and a second insulation isolation sleeve is arranged between the copper pipe and the copper column. And the electric wire II passes through the insulating isolation sleeve I. A copper pipe and a copper column are arranged in the connector to be connected with a red wire and a black wire respectively, and an insulating isolation sleeve is arranged between the copper pipe and the copper column to avoid the conditions of electric contact and creepage between the copper pipe and the copper column.

Description

Technical Field

[0001] The utility model relates to the technical field of electric plug connection, in particular to an internal electric connection structure of a quick electric plug connection. Background Art

[0002] An existing quick-connect electrical plug includes a centrally located electrical post and a tubular electrical ring, wherein the electrical post is located inside the electrical ring and is spaced apart from each other. The electrical post and the electrical ring are connected to red and black wires respectively. When assembling the electrical post and the electrical ring, electrical contact should be avoided to prevent creepage between the electrical post and the electrical ring.

[0003] Therefore, how to design the connection between the power pole and the power ring and the wire is an issue that needs to be considered. Summary of the invention

[0004] In view of the problems pointed out in the background technology, the utility model proposes an internal power connection structure of a quick-connect electrical plug to solve the above technical problems.

[0005] The technical solution of the utility model is achieved in this way:

[0006] The invention discloses an internal power connection structure of a quick-connect electric plug, comprising a copper tube and a copper column, and also comprising a first wire and a second wire. The first wire is connected to the outer wall of the copper tube, and the second wire passes through the copper tube and then is connected to the copper column. An insulating isolation sleeve is arranged between the copper tube and the copper column, and the second wire passes through the first insulating isolation sleeve.

[0007] The utility model is further configured that the insulating isolation sleeve 1 is in a circular ring shape, and the diameter of one end of the copper column close to the insulating isolation sleeve 1 is larger than the inner diameter of the insulating isolation sleeve 1.

[0008] The utility model is further configured such that the outer diameter of one end of the copper tube close to the insulating isolation sleeve 1 is equal to the inner diameter of the insulating isolation sleeve 1.

[0009] The utility model is further configured such that the diameter of the copper column is smaller than the outer diameter of the copper tube.

[0010] The utility model is further configured that a second insulating isolation sleeve is sleeved on the copper column.

[0011] The utility model is further configured such that the outer diameter of the second insulating isolation sleeve is equal to the outer diameter of the first insulating isolation sleeve.

[0012] The utility model is further configured that the second insulating isolation sleeve is butted against the first insulating isolation sleeve, and the first insulating isolation sleeve is butted against the copper tube.

[0013] The utility model is further configured that a tubular power connection ring is sleeved on the copper tube, and the first insulating isolation sleeve, the second insulating isolation sleeve and the copper column are all located on the inner side of the power connection ring.

[0014] The utility model is further configured that the diameter of the copper column is larger at one end and smaller at the other end, and the end of the copper column close to the copper tube is the end with the larger diameter.

[0015] The utility model is further configured that the diameter of the copper tube is larger at one end and smaller at the other end, and the end of the copper tube close to the copper column is the end with the smaller diameter.

[0016] By adopting the above technical solution, the beneficial effects of the utility model are as follows:

[0017] The internal power connection structure of the quick-connect electric plug provided by the utility model is provided with a copper tube and a copper column in the joint to be connected with red and black electric wires respectively, and an insulating isolation sleeve is provided between the copper tube and the copper column to avoid electrical contact and creepage between the copper tube and the copper column. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is an exploded schematic diagram of the utility model.

[0021] Explanation of the reference numerals in the accompanying drawings: copper tube 1, copper column 2, wire one 3, wire two 4, insulating isolation sleeve one 5, insulating isolation sleeve two 6, connecting ring 7. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] For reference Figure 1-2 The utility model is described as follows:

[0024] Embodiment 1: An internal power connection structure of a quick-connect electrical plug includes a copper tube 1 and a copper column 2, wherein the copper column 2 is arranged at the front side of the copper tube 1. The copper column 2 and the copper tube 1 are arranged at intervals in front and back, and the diameter of the copper column 2 is larger at the rear end and smaller at the front end. The diameter of the copper tube 1 is larger at the rear end and smaller at the front end, and the copper tube 1 is provided with through holes penetrating the front and rear ends thereof.

[0025] It also includes wire 1 3 and wire 2 4. Wire 1 3 is welded to the outer wall of the rear end of the copper tube 1 to achieve electrical connection. Wire 2 4 passes through the rear end of the copper tube 1 and comes out from the front end of the copper tube 1. Wire 2 4 passes through the front end of the copper tube 1 and is then welded to the rear end of the copper column 2 to achieve electrical connection.

[0026] An insulating sleeve 5 is provided between the copper tube 1 and the copper column 2, and the wire 4 passes through the insulating sleeve 5. The insulating sleeve 5 is made of plastic and plays an insulating and electric isolation role between the copper tube 1 and the copper column 2. The insulating sleeve 5 is in a circular shape, and the diameter of the rear end of the copper column 2 is larger than the inner diameter of the insulating sleeve 5. With this technical solution, the copper column 2 cannot pass through the insulating sleeve 5 and contact the copper tube 1. The outer diameter of the end of the copper tube 1 close to the insulating sleeve 5 is equal to the inner diameter of the insulating sleeve 5.

[0027] The diameter of the copper column 2 is smaller than the outer diameter of the copper tube 1. A tubular connecting ring 7 is sleeved on the copper tube 1. The connecting ring 7 is connected to the front end of the copper tube 1. The insulating isolation sleeve 1 5, the insulating isolation sleeve 2 6, and the copper column 2 are all located on the inner side of the connecting ring 7. The connecting ring 7 is made of conductive metal material. The rear end of the connecting ring 7 is welded to the front end of the copper tube 1 to achieve electrical connection.

[0028] The copper column 2 is sleeved with an insulating sleeve 2 6, which is made of plastic. The outer diameter of the insulating sleeve 2 6 is equal to the outer diameter of the insulating sleeve 1 5. The insulating sleeve 2 6 is butted against the insulating sleeve 1 5, and the insulating sleeve 1 5 is butted against the copper tube 1. The outer diameters of the insulating sleeve 1 5 and the insulating sleeve 2 6 are equal to the inner diameter of the electric ring 7.

[0029] The copper tube 1, the copper column 2, the insulating isolation sleeve 1 5, and the insulating isolation sleeve 2 6 are coaxially arranged. After the welding of each component is completed, the outer mold is then injected to form a joint.

[0030] A tube-shaped external electric post can also be sleeved on the copper post 2. The external electric post is open at one end and closed at the other end. The external electric post is made of conductive material.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An internal power connection structure of a quick-connect electrical plug, characterized in that: The invention comprises a copper tube (1) and a copper column (2), and also comprises a first wire (3) and a second wire (4), wherein the first wire (3) is connected to the outer wall of the copper tube (1), and the second wire (4) passes through the copper tube (1) and is then connected to the copper column (2), and an insulating isolation sleeve (5) is provided between the copper tube (1) and the copper column (2), and the second wire (4) passes through the first insulating isolation sleeve (5).

2. The internal power connection structure of a quick-connect electrical plug according to claim 1, characterized in that: The insulating isolation sleeve 1 (5) is in the shape of a circular ring, and the diameter of one end of the copper column (2) close to the insulating isolation sleeve 1 (5) is larger than the inner diameter of the insulating isolation sleeve 1 (5).

3. The internal power connection structure of a quick-connect electrical plug according to claim 1, characterized in that: The outer diameter of the end of the copper tube (1) close to the insulating isolation sleeve (5) is equal to the inner diameter of the insulating isolation sleeve (5).

4. The internal power connection structure of a quick-connect electrical plug according to claim 1, characterized in that: The diameter of the copper column (2) is smaller than the outer diameter of the copper tube (1).

5. The internal power connection structure of a quick-connect electrical plug according to claim 1, characterized in that: The copper column (2) is sleeved with an insulating isolation sleeve 2 (6).

6. The internal power connection structure of a quick-connect electrical plug according to claim 5, characterized in that: The outer diameter of the insulating isolation sleeve 2 (6) is equal to the outer diameter of the insulating isolation sleeve 1 (5).

7. The internal power connection structure of a quick-connect electrical plug according to claim 5, characterized in that: The insulating isolation sleeve 2 (6) is butted against the insulating isolation sleeve 1 (5), and the insulating isolation sleeve 1 (5) is butted against the copper tube (1).

8. The internal power connection structure of a quick-connect electrical plug according to claim 7, characterized in that: The copper tube (1) is sleeved with a tubular power connection ring (7), and the insulating isolation sleeve 1 (5), the insulating isolation sleeve 2 (6) and the copper column (2) are all located on the inner side of the power connection ring (7).

9. The internal power connection structure of a quick-connect electrical plug according to claim 1, characterized in that: The diameter of the copper column (2) is larger at one end and smaller at the other end, and the end of the copper column (2) close to the copper tube (1) is the end with the larger diameter.

10. The internal power connection structure of a quick-connect electrical plug according to claim 1, characterized in that: The diameter of the copper tube (1) is larger at one end and smaller at the other end, and the end of the copper tube (1) close to the copper column (2) is the end with the smaller diameter.

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