CN215451839U

CN215451839U - DC connects and DC connecting wire

Info

Publication number: CN215451839U
Application number: CN202121041184.8U
Authority: CN
Inventors: 张放
Original assignee: Beijing Hengtong Weida Technology Co ltd
Current assignee: Beijing Hengtong Weida Technology Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2022-01-07
Anticipated expiration: 2031-05-14

Abstract

The utility model relates to the field of wiring equipment, in particular to a DC connector and a DC connecting wire, wherein the DC connector comprises: the connecting part comprises an anode terminal, a cathode terminal, a round tube and a power line, wherein the round tube is an insulator, the anode terminal is arranged on the inner side of the round tube, and the cathode terminal is sleeved on the outer side of the round tube; the anode wire of the power supply wire is connected with the anode terminal, and the cathode wire of the power supply wire is connected with the cathode terminal; the shell is tubular and sleeved at the connecting end of the power line and the anode terminal and the cathode terminal, the shape of the inner surface of the shell is the same as that of the anode terminal, the cathode terminal and the power line, and the shell is suitable for being tightly attached to the anode terminal, the cathode terminal and the power line. The structure avoids the clearance between the wire and other structures, and the structure is more stable and reliable.

Description

DC connects and DC connecting wire

Technical Field

The utility model relates to the field of wiring equipment, in particular to a DC connector and a DC connecting wire.

Background

The DC connector is a common switching device in daily life and mainly plays roles in stabilizing voltage and current, controlling power and protecting a direct current circuit. However, most of the conventional DC connectors are of a twist-on-turn structure, and during the production process, the anode terminals, the cathode terminals and the power lines in bulk are welded one by one, and are manually glued at the welding points, and then are assembled with other structures by twist-on-turn, such as chinese patent 208385691U. However, the above structure has the following problems:

1. the assembly procedure is multiple and tedious in the production process, so that the production efficiency is low;

2. when the connector is screwed with the shell in a rotating manner during assembly, the artificial glue at the welding point is easy to damage, so that the copper wire of the welding point is twisted off, and the yield is low;

3. there is the clearance between shell and connector and the wire rod, and cable or shell sway in the use and lead to the wire rod easily to be pulled out and lead to the heart yearn to expose, and then make equipment be in and use unsafe state, damage or equipment can't use easily at the final equipment.

Therefore, in view of the above disadvantages, the present invention is urgently needed to provide a DC connector and a DC link.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a DC connector and a DC connection line, so as to solve the above-mentioned technical problems caused by the DC connector structure in the prior art.

The utility model provides a DC connector, comprising: the connecting part comprises an anode terminal, a cathode terminal, a round tube and a power line, wherein the round tube is an insulator, the anode terminal is arranged on the inner side of the round tube, and the cathode terminal is sleeved on the outer side of the round tube; the anode wire of the power supply wire is connected with the anode terminal, and the cathode wire of the power supply wire is connected with the cathode terminal; the shell is tubular and sleeved at the joint of the power line and the anode terminal and the cathode terminal, the shape of the inner surface of the shell is the same as that of the anode terminal, the cathode terminal and the power line, and the shell is suitable for being tightly attached to the anode terminal, the cathode terminal and the power line.

In the DC connector described above, it is preferable that the housing has an integrally molded structure, and the circular tube, the cathode terminal, and the anode terminal are molded on an outer side of the connection portion as an inner mold.

In the DC connector, it is preferable that the anode terminal has a tuning fork shape at one end located inside the circular tube and a plate shape at one end located outside the circular tube, and a first circular hole connected to the power line male wire is provided.

In the DC connector as described above, it is further preferable that the two prongs at the end of the anode terminal are folded inward.

In the DC connector as described above, it is further preferable that the cathode terminal has a tubular shape, and the first end is provided with a second circular hole adapted to be connected to the female wire of the power supply line.

In the DC connector as described above, it is further preferable that the second end of the cathode terminal is a ring-shaped projection.

In the DC terminal described above, it is further preferable that the length of the power supply line covered in the housing is 5mm or more.

In the above DC link, it is further preferable that a plurality of annular reinforcing ribs are provided on an outer side of a tail portion of the housing.

In the above DC link, it is preferable that the head portion of the housing is formed with a plurality of lines parallel to a center line of the housing.

The utility model also discloses a DC connecting line, which comprises the DC connector.

Compared with the prior art, the utility model has the following advantages:

the DC connector comprises a connecting part and a shell, wherein the connecting part comprises an anode terminal, a cathode terminal, a round pipe and a power line, the round pipe is an insulator, the anode terminal is arranged on the inner side of the round pipe, and the cathode terminal is sleeved on the outer side of the round pipe; the anode wire of the power supply wire is connected with the anode terminal, and the cathode wire of the power supply wire is connected with the cathode terminal; the shell is tubular and is sleeved at the connecting end of the power line and the anode terminal and the cathode terminal, and the inner surface of the shell is in the same shape with the anode terminal, the cathode terminal and the power line and is suitable for being tightly attached to the anode terminal, the cathode terminal and the power line. In the structure, the inner surface of the shell is the same as the anode terminal, the cathode terminal and the power line in shape, and is suitable for being tightly attached to the anode terminal, the cathode terminal and the power line, so that gaps between the shell and wires and other structures are avoided, and the structure is more stable and reliable.

Furthermore, the shell is directly formed on the outer side of the connecting portion in a plastic forming mode, so that the inner surface of the shell is attached to the outline of the connecting portion, and the shell is convenient to process and high in production efficiency.

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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic diagram of a DC link according to the present invention;

FIG. 2 is a partial structural view of the connecting portion of FIG. 1;

fig. 3 is a schematic structural diagram of the DC link.

Description of reference numerals:

the structure comprises a round tube 1, a cathode terminal 2, a shell 3, a power line 4, an anti-skid pattern 5, a reinforcing rib 6, an anode terminal 7, a fork arm 8, a first round hole 9, a bulge 10, a connector 11 and a buckle 12.

Detailed Description

The DC connector disclosed in this embodiment, as shown in fig. 1 to 2, includes a connection portion and a housing 3.

Specifically, the connecting part comprises an anode terminal 7, a cathode terminal 2, a round tube 1 and a power line 4, the round tube 1 is an insulator, the anode terminal 7 is arranged on the inner side of the round tube, and the cathode terminal 2 is sleeved on the outer side of the round tube; the anode of the power supply line 4 is connected to the anode terminal 7, and the cathode is connected to the cathode terminal 2; the shell 3 is tubular and sleeved at the connecting end of the power line 4, the anode terminal 7 and the cathode terminal 2, the inner surface of the shell 3 is the same as the anode terminal 7, the cathode terminal 2 and the power line 4 in shape, and the shell is suitable for being tightly attached to the anode terminal 7, the cathode terminal 2 and the power line 4.

Further, in order to connect the housing 3 and the connecting portion, the housing 3 is an integrally formed structure, and the circular tube 1, the cathode terminal 2, and the anode terminal 7 are formed outside the connecting portion as internal molds.

Further, the anode terminal 7 is located the inside one end of pipe 1 is the tuning fork form, is located 1 outside one end of pipe is platelike, be equipped with on the platelike structure with the first round hole 9 of power cord 4 positive line connection. In this embodiment, the anode terminal 7 located inside the housing 3 is a plug-in connection end adapted to be connected to a structure plugged into the anode terminal 7 to form a passage. The first circular hole 9 is then convenient for connection with the male wire of the power cord 4. Further, in this embodiment, the two fork arms 8 at the end of the anode terminal 7 are folded inward, and then the insertion structure is clamped by the two fork arms 8, so that on one hand, the anode terminal 7 is stably connected with the insertion structure, and on the other hand, the anode terminal 7 is in contact with the insertion structure to form a stable passage.

Further, the cathode terminal 2 is tubular, and a first end of the cathode terminal is provided with a second round hole suitable for being connected with the cathode line of the power line 4, and a second end of the cathode terminal 2 is provided with an annular protrusion 10. The second circular hole is adapted to be connected to the female wire of the power cord 4, and the annular protrusion 10 is also used to reinforce the connection to the insertion structure.

Further, the length of the power line 4 covered in the shell 3 is more than or equal to 5 mm. The power line 4 is reserved in the shell 3 and used for protecting the connecting positions of the power line 4, the anode terminal 7 and the cathode terminal 2.

Further, a plurality of annular reinforcing ribs 6 are arranged on the outer side of the tail part of the shell 3. The specific dactylotheca of afterbody of shell 3 is adorned in the tip of power cord 4, and is concrete, can further avoid shell 3's afterbody to bend through set up strengthening rib 6 at the afterbody, and then increases the resistant shake performance of wire rod, increases life.

Furthermore, the head outer side anti-slip lines 5 of the shell 3 are a plurality of lines parallel to the center line of the shell 3. Set up anti-skidding line 5 and be suitable for increasing the contact frictional force of hand and shell 3, and then plug when convenient to use.

Further, this embodiment also discloses a DC link, as shown in fig. 3, the link includes the above DC connector. In addition, the other end of power cord 4 still is connected with 4.22 PIN connector 11 in the DC connecting wire, be equipped with buckle 12 on the gluey shell of connector 11 for the reinforced connection.

Further, the embodiment also discloses a use method of the DC link line:

firstly, the DC connector is processed according to the structure, and then the DC connector is processed to obtain the DC connecting wire. When the grid needs to be used, the housing 3 of the DC connector is held by hand, and the circular tube 1 is inserted into the corresponding insertion holes, so that the structures in the insertion holes are respectively connected with the anode terminal 7 and the cathode terminal 2 to form a passage. The connector 11 at the other end of the DC link is then connected to a power supply to form a path. If disconnection is required, the hand held housing 3 pulls the DC connector out of the jack.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A DC link, comprising:

the connecting part comprises an anode terminal, a cathode terminal, a round tube and a power line, wherein the round tube is an insulator, the anode terminal is arranged on the inner side of the round tube, and the cathode terminal is sleeved on the outer side of the round tube; the anode wire of the power supply wire is connected with the anode terminal, and the cathode wire of the power supply wire is connected with the cathode terminal;

the shell is tubular and sleeved at the connecting end of the power line and the anode terminal and the cathode terminal, the shape of the inner surface of the shell is the same as that of the anode terminal, the cathode terminal and the power line, and the shell is suitable for being tightly attached to the anode terminal, the cathode terminal and the power line.

2. The DC link of claim 1, wherein the housing is a one-piece structure and is molded around the outer side of the connecting portion with the circular tube, the cathode terminal, and the anode terminal as an inner mold.

3. The DC connector of claim 2, wherein the anode terminal is tuning fork-shaped at an end inside the circular tube and plate-shaped at an end outside the circular tube, and the plate-shaped structure is provided with a first circular hole for connecting with the power line male wire.

4. The DC link of claim 3, wherein the two prongs of the anode terminal end are inwardly collapsed.

5. The DC connector of claim 4, wherein the cathode terminal is tubular and the first end is provided with a second circular aperture adapted to be connected to the female power line.

6. The DC link of claim 5, wherein the second end of the cathode terminal is annularly convex.

7. The DC link of claim 6, wherein the length of the power cord encased within the housing is greater than or equal to 5 mm.

8. The DC link of claim 7, wherein the outer shell has a plurality of annular ribs on an outer side of the tail portion.

9. The DC link of claim 8, wherein the head portion of the housing is formed with a plurality of lines parallel to a centerline of the housing.

10. A DC link comprising a DC connector according to any one of claims 1 to 9.