CN221102505U - Connection structure of D-SUB connector - Google Patents
Connection structure of D-SUB connector Download PDFInfo
- Publication number
- CN221102505U CN221102505U CN202322893398.3U CN202322893398U CN221102505U CN 221102505 U CN221102505 U CN 221102505U CN 202322893398 U CN202322893398 U CN 202322893398U CN 221102505 U CN221102505 U CN 221102505U
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- insulating
- sub connector
- conductive
- connection structure
- connector
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- 238000003466 welding Methods 0.000 claims abstract description 51
- 238000000926 separation method Methods 0.000 claims abstract description 45
- 238000005192 partition Methods 0.000 claims description 32
- 238000009413 insulation Methods 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 230000001012 protector Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 238000005476 soldering Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses a connection structure of a D-SUB connector, which comprises a D-SUB connector and a cable, wherein the cable is provided with a plurality of core wires; the D-SUB connector comprises an insulating body, an insulating connector and a plurality of conductive pins, wherein the insulating body is provided with a separation part, the separation part is provided with a plurality of separation grooves, each conductive pin is fixedly arranged in the insulating body, the welding ends of each conductive pin are respectively accommodated in each separation groove of the separation part and are respectively welded with each core wire of the cable, the insulating connector is connected with the insulating body, the insulating connector and each separation groove are respectively surrounded to form a plurality of insulating wrapping holes, and the welding positions of each conductive pin and each core wire are respectively wrapped by each insulating wrapping hole. The utility model can avoid the problem of short circuit of adjacent conductive pins when the conductive pins are welded with the core wires, and can also avoid electric arcs generated between different welding positions and avoid foreign matters from contacting the welding positions.
Description
Technical Field
The present utility model relates to the field of D-SUB connectors, and more particularly, to a connection structure of a D-SUB connector.
Background
The existing D-SUB connector generally includes an insulative housing, which may be fitted with a metal shell, and a plurality of conductive pins secured to the insulative housing. Many of the existing D-SUB connectors are connected to the cable by welding, and specifically, each conductive pin of the D-SUB connector is connected to each core wire of the cable by welding.
The existing D-SUB connectors have the following problems with cable solder connections:
1. Because the spacing (generally 1.2 mm) between the conductive pins of the D-SUB connector is relatively small, short circuit between two adjacent conductive pins is easy to occur during welding, thereby causing equipment failure connected with the D-SUB connector;
2. The welding parts of the conductive pins and the core wires of the existing D-SUB connector have no protective measures, so that if the conductive foreign matters contact the two welding parts, the short circuit is caused between the conductive pins, thereby causing the equipment connected with the D-SUB connector to be failed;
3. If the voltage difference between two welding points exists in the welding points of the D-SUB connector and the cable, electric arcs are easy to generate between the two welding points, and equipment connected with the D-SUB connector is easy to damage.
In view of the above, it is necessary to study a connection structure of a D-SUB connector to solve the above problems.
Disclosure of utility model
The utility model aims to provide a connection structure of a D-SUB connector, which solves the problems in the background technology.
In order to achieve the above object, the solution of the present utility model is:
A connection structure of a D-SUB connector includes a D-SUB connector and a cable having a plurality of core wires; the D-SUB connector comprises an insulating body, an insulating connector and a plurality of conductive pins, wherein the insulating body is provided with a separation part, the separation part is provided with a plurality of separation grooves, two ends of the conductive pins are divided into welding ends and connecting ends, each conductive pin is fixedly arranged on the insulating body, the welding ends of each conductive pin are respectively contained in each separation groove of the separation part, the welding ends of each conductive pin are respectively welded with each core wire of a cable, the insulating connector is connected with the insulating body, the insulating connector and each separation groove are respectively surrounded to form a plurality of insulating wrapping holes, and the welding positions of each conductive pin and each core wire are respectively wrapped by each insulating wrapping hole.
The welding end of the conductive contact pin forms an insertion port for inserting the end part of the core wire; the side wall of the welding end of the conductive contact pin forms a notch communicated with the insertion port.
The connection ends of the conductive pins form a male plug.
The connecting end of the conductive contact pin is provided with a hollow female contact.
The D-SUB connector also comprises an insulation protector connected with the insulation body, wherein the insulation protector is sleeved with the female plug of each conductive pin.
The insulating body of the D-SUB connector is encapsulated and combined with each conductive pin.
Each conductive pin of the D-SUB connector is arranged in two rows; a row of separation grooves are respectively arranged on two opposite sides of the separation part of the insulating body of the D-SUB connector.
The insulating connector comprises two insulating connecting covers which are respectively matched with the two sides of the separation part and cover the separation grooves on the two sides of the separation part respectively.
The insulating connecting cover is connected with the partition part in an interference insertion fit, a buckle connection, a welding connection or a screw locking mode.
The insulating connecting cover is provided with a connecting groove which is used for being in butt joint with the separation groove to form an insulating wrapping hole.
After adopting the scheme, when the D-SUB connector and the cable are connected, firstly, each conductive pin is fixedly arranged on the insulation body, and the welding ends of the conductive pins are respectively accommodated in each separation groove of the separation part; then, each core wire of the cable is respectively welded and connected with each conductive contact pin; finally, the insulating connector is connected with the insulating body, so that a plurality of insulating wrapping holes are formed by surrounding the insulating connector and each separation groove respectively, and the welding positions of each conductive contact pin and each core wire are wrapped by each insulating wrapping hole respectively.
As can be seen from the above, when each core wire of the cable is respectively welded with each conductive pin, the welding ends of each conductive pin are respectively accommodated in each separation groove of the separation part of the insulating body, so that the separation part separates each conductive pin, and the problem of short circuit of adjacent conductive pins can be effectively avoided during welding; after the insulating connector is connected with the insulating body, the insulating connector and each separation groove of the separation part are respectively surrounded to form a plurality of insulating wrapping holes, and the welding positions of each conductive pin and each core wire are respectively wrapped by each insulating wrapping hole, so that the insulating connector and the separation part can completely separate the welding positions of each conductive pin and each core wire, arc is prevented from being generated between the welding positions of different conductive pins and core wires, and foreign matters can be prevented from contacting the welding positions of the conductive pins and the core wires.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a first embodiment of the present utility model.
Fig. 3 is an exploded view of a first embodiment of the present utility model.
Fig. 4 is a cross-sectional view of a first embodiment of the present utility model.
Fig. 5 is a second cross-sectional view of the first embodiment of the present utility model.
Fig. 6 is a schematic structural diagram of a conductive pin according to a first embodiment of the present utility model.
Fig. 7 is a schematic structural diagram of a second embodiment of the present utility model.
Fig. 8 is a schematic diagram of a second embodiment of the present utility model.
Fig. 9 is a structural exploded view of a second embodiment of the present utility model.
Fig. 10 is a cross-sectional view of a second embodiment of the present utility model.
Fig. 11 is a schematic structural diagram of a conductive pin according to a second embodiment of the present utility model.
Description of the reference numerals:
The D-SUB connector a is provided with a connector,
The insulating body 1, the partition 11, the partition groove 111, the plug hole 112,
The insulating connector 2, the insulating connector cover 21, the connecting groove 211, the plug 212,
Conductive pin 3, soldering terminal 31, insertion opening 311, notch 312, connection terminal 32, male connector 321, female connector 322,
The insulating housing 4, the perforations 41, the sleeve holes 42,
An insulating protective body 5 is provided which,
The length of the cable B, core wire B1,
The insulating wrap-around hole C is provided,
Detailed Description
In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.
Embodiment one:
Referring to fig. 1 to 6, in an embodiment of the present utility model, a connection structure of a D-SUB connector of the present utility model includes a D-SUB connector a and a cable B; the cable B has a plurality of core wires B1; the D-SUB connector a comprises an insulating body 1, an insulating connector 2 and a plurality of conductive pins 3, wherein the insulating body 1 is provided with a partition 11, the partition 11 is provided with a plurality of partition grooves 111, two ends of the conductive pins 3 are divided into a welding end 31 and a connecting end 32, each conductive pin 3 is fixedly arranged in the insulating body 1, the welding end 31 of each conductive pin 3 is respectively contained in each partition groove 111 of the partition 11, the welding end 31 of each conductive pin 3 is respectively welded with each core wire B1 of a cable B, the insulating connector 2 is connected with the insulating body 1, the insulating connector 2 and each partition groove 1111 are respectively surrounded to form a plurality of insulating wrapping holes C, and each insulating wrapping hole C is respectively wrapped at the welding position of each conductive pin 3 and each core wire B1.
When the utility model connects the D-SUB connector A and the cable B, firstly, each conductive pin 3 is fixedly arranged on the insulation body 1, and the welding ends 31 of each conductive pin 3 are respectively accommodated in each separation groove 111 of the separation part 11; then, each core wire B1 of the cable B is respectively welded and connected with each conductive pin 3; finally, the insulating connector 2 is connected with the insulating body 1, so that the insulating connector 2 and each partition groove 1111 are respectively surrounded to form a plurality of insulating wrapping holes C, and each insulating wrapping hole C respectively wraps the welding position of each conductive pin 3 and each core wire B1. When each core wire B1 of the cable B is respectively welded with each conductive pin 3, the welding ends 31 of each conductive pin 3 are respectively accommodated in each separation groove 111 of the separation part 11 of the insulation body 1, so that the separation part 11 separates each conductive pin 3, and the problem of short circuit of adjacent conductive pins 3 can be effectively avoided during welding; in addition, after the insulating connector 2 is connected with the insulating body 1, the insulating connector 2 and each partition groove 1111 of the partition part 11 are respectively surrounded to form a plurality of insulating wrapping holes C, and each insulating wrapping hole C is respectively wrapped at the welding position of each conductive pin 3 and each core wire B1, so that the insulating connector 2 and the partition part 11 can completely separate the welding position of each conductive pin 3 and each core wire B1 to avoid arc generated between the welding positions of different conductive pins 3 and the core wires B1, and simultaneously can avoid foreign matters from contacting the welding position of the conductive pins 3 and the core wires B1.
In the first embodiment of the present utility model, the insulating body 1 of the D-SUB connector a is made of plastic, and the insulating body 1 and each conductive pin 3 can be encapsulated and combined, so that the present utility model can realize the combination of the insulating body 1 and the conductive pins 3 when the insulating body 1 is injection molded, which is helpful for simplifying the structure and the installation process.
In the first embodiment of the present utility model, the welding end 31 of the conductive pin 3 of the D-SUB connector a forms the insertion opening 311 into which the end of the core wire B1 is inserted, and the end of the core wire B1 can play a role of temporarily fixing the core wire B1 after being inserted into the insertion opening 311 of the welding end 31 of the conductive pin 3, so that the core wire B1 and the welding end 31 of the conductive pin 3 can be welded conveniently. Further, a notch 312 is formed on the side wall of the soldering terminal 31 of the conductive pin 3 and is communicated with the insertion port 311, and the notch 312 is arranged to facilitate the insertion of the end of the core wire B1 into the insertion port 311 of the soldering terminal 31 of the conductive pin 3.
In the first embodiment of the present utility model, the connection end 32 of the conductive pin 3 of the D-SUB connector a forms a male plug 321, so that the D-SUB connector a is configured to be a male connector.
In the first embodiment of the present utility model, the conductive pins 3 of the D-SUB connector a are arranged in two rows, so that the conductive pins 3 and the core wire B1 can be conveniently welded by using a machine; correspondingly, a row of separation grooves 111 are respectively arranged on two opposite sides of the separation part 11 of the insulation body 1 of the D-SUB connector a.
In the first embodiment of the present utility model, the insulating connector 2 of the D-SUB connector a includes two insulating connecting covers 21, the two insulating connecting covers 21 are respectively matched with two sides of the partition 11, and the two insulating connecting covers 21 respectively cover the partition grooves 111 on two sides of the partition 11, so that the insulating connecting covers 21 and the partition grooves 111 of the partition 11 form an insulating wrapping hole C, and the insulating connecting covers 21 may be made of plastic materials.
In the first embodiment of the present utility model, the insulating connecting cover 21 may be provided with a connecting groove 211 for abutting against the partition groove 111 to form the insulating wrapping hole C, and after the insulating connecting cover 21 is fitted to the partition 11, the connecting groove 211 of the insulating connecting cover 21 abuts against the partition groove 111 of the partition 11 to form the insulating wrapping hole C. It should be noted that the insulating connecting cover 21 does not necessarily need to be provided with the connecting groove 211, and the insulating connecting cover 21 does not need to be provided with the connecting groove 211 when the partition groove 111 of the partition portion 11 is sufficient to fully accommodate the soldered portion of the conductive pin 3 and the core wire B1.
In the first embodiment of the present utility model, the insulating connecting cover 21 may be provided with a plug 212, and the partition 11 of the insulating body 1 is correspondingly provided with a plug hole 112. When the insulating connecting cover 21 is connected with the partition part 11 of the insulating body 1, the plug connector 212 of the insulating connecting cover 21 is inserted into the plug hole 112 of the partition part 11 and the plug connector 212 is in interference fit with the plug hole 112, so that the insulating connecting cover 21 is connected with the partition part 11 in an interference plug fit manner, and the connection between the insulating connecting cover 21 and the partition part 11 is quite simple. It should be noted that, the insulating connecting cover 21 and the partition 11 may be connected by other connection methods, and the insulating connecting cover 21 and the partition 11 may be connected by interference fastening connection, welding connection or screw locking.
In the first embodiment of the present utility model, the D-SUB connector a further includes a metal housing 4 connected to the insulating body 1, the metal housing 4 covers the insulating body 1, the insulating housing 4 can play a role of shielding to facilitate stable signal transmission, the insulating housing 4 may be provided with a through hole 41 to stably fix the D-SUB connector a to a device to be connected by a screw, and the insulating housing 4 may form a socket 42 for sleeving the male connector 321 of each conductive pin 3.
Embodiment two:
Referring to fig. 7 to 11, the second embodiment of the present utility model is different from the first embodiment in that: the D-SUB connector A of the second embodiment of the present utility model belongs to a female connector; specifically, in the second embodiment of the present utility model, the connection end 31 of the conductive pin 3 is provided with a hollow female connector 322, so that the D-SUB connector a belongs to a female connector; the layout of the conductive pins 3 and the insulating connector 2 of the second embodiment of the present utility model are the same as those of the first embodiment.
In the second embodiment of the present utility model, the D-SUB connector a may further include an insulation protection body 5 connected to the insulation body 1, the insulation protection body 5 may be made of plastic, the insulation protection body 5 may be integrally formed with the insulation body 1 or two-shot injection molding or welding connection, and the insulation protection body 4 is sleeved on the female plug connector 322 of each conductive pin 3 so that the female plug connector 322 is fixed in a plugging manner.
In the second embodiment of the present utility model, the D-SUB connector a further includes a metal housing 4 connected to the insulating body 1 and the insulating protector 5, the metal housing 4 covers the insulating body 1 and the insulating protector 5, the insulating housing 4 can play a role of shielding to facilitate stable signal transmission, and the insulating housing 4 can be provided with a through hole 41 to stably fix the D-SUB connector a to a device to be connected by a screw.
The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.
Claims (10)
1. A connection structure of a D-SUB connector includes a D-SUB connector and a cable having a plurality of core wires; the method is characterized in that:
The D-SUB connector comprises an insulating body, an insulating connector and a plurality of conductive pins,
The insulating body is provided with a separation part which is provided with a plurality of separation grooves,
The two ends of the conductive pins are divided into a welding end and a connecting end, each conductive pin is fixedly arranged on the insulating body, the welding ends of each conductive pin are respectively accommodated in each separation groove of the separation part, the welding ends of each conductive pin are respectively welded and connected with each core wire of the cable,
The insulating connector is connected with the insulating body, and the insulating connector and each separation groove are respectively surrounded to form a plurality of insulating wrapping holes, and each insulating wrapping hole is respectively wrapped at the welding position of each conductive contact pin and each core wire.
2. The connection structure of a D-SUB connector according to claim 1, wherein: the welding end of the conductive contact pin forms an insertion port for inserting the end part of the core wire; the side wall of the welding end of the conductive contact pin forms a notch communicated with the insertion port.
3. The connection structure of a D-SUB connector according to claim 1, wherein: the connection ends of the conductive pins form a male plug.
4. The connection structure of a D-SUB connector according to claim 1, wherein: the connecting end of the conductive contact pin is provided with a hollow female contact.
5. The connection structure of a D-SUB connector according to claim 1, wherein: the D-SUB connector also comprises an insulation protector connected with the insulation body, wherein the insulation protector is sleeved with the female plug of each conductive pin.
6. The connection structure of a D-SUB connector according to claim 1, wherein: the insulating body of the D-SUB connector is encapsulated and combined with each conductive pin.
7. The connection structure of a D-SUB connector according to claim 1, wherein: each conductive pin of the D-SUB connector is arranged in two rows; a row of separation grooves are respectively arranged on two opposite sides of the separation part of the insulating body of the D-SUB connector.
8. The connection structure of a D-SUB connector according to claim 7, wherein: the insulating connector comprises two insulating connecting covers which are respectively matched with the two sides of the separation part and cover the separation grooves on the two sides of the separation part respectively.
9. The connection structure of a D-SUB connector according to claim 8, wherein: the insulating connecting cover is connected with the partition part in an interference insertion fit, a buckle connection, a welding connection or a screw locking mode.
10. The connection structure of a D-SUB connector according to claim 8, wherein: the insulating connecting cover is provided with a connecting groove which is used for being in butt joint with the separation groove to form an insulating wrapping hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322893398.3U CN221102505U (en) | 2023-10-27 | 2023-10-27 | Connection structure of D-SUB connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322893398.3U CN221102505U (en) | 2023-10-27 | 2023-10-27 | Connection structure of D-SUB connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221102505U true CN221102505U (en) | 2024-06-07 |
Family
ID=91313810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322893398.3U Active CN221102505U (en) | 2023-10-27 | 2023-10-27 | Connection structure of D-SUB connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221102505U (en) |
-
2023
- 2023-10-27 CN CN202322893398.3U patent/CN221102505U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |