KR20210116991A - Cable connector - Google Patents

Abstract

A cable connector according to the present invention comprises: a connector housing; and connector terminals disposed inside/outside of the connector housing, wherein each of the connector terminals may comprise a main terminal part disposed inside the connector housing, and a connection pin part extending from one side of the main terminal part to the outside of the connector housing and provided with a pointed tip to be able to be sticked into the signal cable. Therefore, the present invention is capable of facilitating re-use in other electrical devices.

Description

cable connector {Cable connector}

The present invention relates to a cable connector, and more particularly, to a cable connector that can be assembled by adjusting the length of a cable as needed, and that can be easily reworked.

Signal cables are widely used for transmitting various types of data to various electrical appliances including TVs, monitors, laptops, smartphones, and battery packs. A connecting mechanism that allows such a signal cable to be easily connected with an electric appliance or other signal cable is a cable connector.

A cable connector may be provided at both ends of the signal cable, and an electrical appliance to which the signal cable is to be connected may be provided with a connector capable of being complementarily fastened to the cable connector.

Referring to FIG. 1 , a cable connector according to the related art may include a connector housing 1 and terminals (not shown) provided inside the connector housing 1 . Although not shown in detail, one side of the terminal may be provided to wrap the core wire of the signal cable in a ring or socket type, for example. In this way, the signal cable and the cable connector can be assembled by connecting the terminal and the signal cable, and inserting and fixing the connection part inside the connector housing.

However, the assembly structure of the signal cable and the cable connector according to the prior art is not easy to disassemble again once assembled. Because of this, it is almost impossible to reuse signal cables and cable connectors once used.

For example, in the case of a battery pack, many signal cables are used for voltage sensing of battery cells. The signal cables have one end connected to each voltage bank of battery cells and the other end connected to a BMS (Battery Management System) circuit board. . However, for each battery pack, the length of the signal cables is determined according to the relative positions of the battery cells and the BMS circuit board for each model, and it is difficult to reassemble with a signal cable and cable connector. and cable connectors cannot be reused and are often discarded.

US Registered Patent Publication US 9610905 B2 (2017.04.04.) HYUDAI MOTOR COMPANY

The technical problem to be solved by the present invention is to enable the signal cable to be easily connected and separated from the cable connector after cutting as needed without determining the length of the signal cable, and to reuse the signal cable or cable connector when necessary.

According to the present invention there is provided a cable connector connected to one or more signal cables capable of transmitting a signal, comprising: a connector housing; and connector terminals partly disposed inside the connector housing and the remaining part disposed outside the connector housing and each of the connector terminals has a main terminal part disposed inside the connector housing; and a pointed tip extending from one side of the main terminal part to the outside of the connector housing, a connection pin provided to insert the signal cable A cable connector comprising a portion may be provided.

The connection pin part may be connected to one end of the main terminal part at a right angle and be provided to protrude below the lower surface of the connector housing.

It may further include a cable mounting guide for pressing the signal cable plugged into the connection pin portion in close contact with the lower surface of the connector housing.

The cable mounting guide may include: a block hanger having one end fixedly coupled to a side surface of the connector housing and extending perpendicularly to a lower surface of the connector housing; and a plate-shaped pressing block that is rotatably connected to the other end of the block hanger to press the signal cables from bottom to top.

The pressing block may be provided with a pin insertion groove provided to be fixed to the pointed tip is inserted.

A capsule encapsulating the adhesive resin may be further interposed in the pin insertion groove.

The cable mounting guide according to another example of the present invention includes a cable cover provided to support and surround the signal cables; and a spacing adjusting unit connecting the connector housing and the cable cover to be movable relative to each other in the vertical direction. can do.

The spacing adjusting unit may be a shoulder bolt.

The cable cover may include a plate-shaped support part on which the signal cables may be seated; and a cover coupling part positioned at both ends of the support part and protruding vertically from the surface of the support part.

The connector housing further includes a bracket part facing the cover coupling part up and down on both side parts, the shoulder bolt is fitted on the upper part of the bracket part, and a screw part formed at the end is formed in the cover coupling part to a predetermined depth. It may be provided to be connected to the bolt fastening hole.

The support part may include a plurality of grooves concavely formed to surround a portion of the signal cable.

The cover coupling part may be formed to protrude below a height of the signal cable when the signal cable is disposed in the groove.

According to one aspect of the present invention, the signal cable can be easily connected to and separated from the cable connector after cutting as needed without determining the length of the signal cable. Accordingly, it may be easy to rework signal cables and cable connectors used for a specific electrical device and reuse them in other electrical devices.

Effects of the present invention are not limited to the above-described effects, and effects not mentioned will be clearly understood by those of ordinary skill in the art to which the present invention belongs from the present specification and accompanying drawings.

The following drawings attached to this specification illustrate preferred embodiments of the present invention, and serve to further understand the technical spirit of the present invention together with the detailed description of the present invention to be described later, so the present invention is described in such drawings should not be construed as being limited only to
1 is a view showing a cable connector according to the prior art.
2 is a perspective view illustrating a cable connector connected to a signal cable according to an embodiment of the present invention.
3 is a perspective view of a cable connector from which a signal cable is separated according to an embodiment of the present invention as viewed from below.
4 is a cross-sectional view of a connection portion between the signal cable and the cable connector of FIG. 2 .
5 to 7 are views for explaining a process of assembling a cable connector and a signal cable according to an embodiment of the present invention.
8 is an exploded view of a cable connector according to another embodiment of the present invention.
9 and 10 are views for explaining an assembly process of a cable connector according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, the terms or words used in the present specification and claims should not be construed as being limited to conventional or dictionary meanings, and the inventor should properly understand the concept of the term in order to best describe his invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept consistent with the technical idea of the present invention. In addition, the configuration shown in the embodiments and drawings described in the present specification is only the most preferred embodiment of the present invention and does not represent all the technical spirit of the present invention, so at the time of the present application, various It should be understood that there may be equivalents and variations.

2 is a perspective view illustrating a cable connector connected to a signal cable according to an embodiment of the present invention, FIG. 3 is a perspective view of a cable connector separated from a signal cable according to an embodiment of the present invention, as viewed from below, and FIG. 4 is 2 is a cross-sectional view of a connection portion between the signal cable and the cable connector.

Referring to these drawings, the cable connector 10 according to an embodiment of the present invention includes a connector housing 100 , a part of which is disposed inside the connector housing 100 , and the remaining part of the connector housing 100 . It includes connector terminals 200 disposed outside, and a cable mounting guide 300 .

As will be described in detail later, the cable connector 10 of the present invention is configured such that a plurality of signal cables 20 can be simply connected or separated from the connector terminals 200 disposed outside the connector housing 100, The length of the signal cable 20 is not set, and it can be easily connected to and separated from the cable connector 10 after cutting as needed. Accordingly, it may be easy to rework the signal cable 20 and the cable connector 10 used for a specific electrical device and reuse it for another electrical device.

The connector housing 100 is a structure that protects the connector terminals 200 from external impact while maintaining a stable connection and fixation with a counterpart. The counterpart may be a connector of another signal cable 20 or a connector on a circuit board in an electric device.

The connector housing 100 according to the present embodiment may be provided in a box shape having an inner space for accommodating the connector terminal 200 and an opening on one side. For reference, in the present embodiment, the connector housing 100 is simply implemented in a substantially rectangular box shape, but the shape of the connector housing 100 may be changed in design.

Specifically, as shown in FIGS. 2 to 3 , the connector housing 100 has an upper surface portion 101 and a lower surface portion 102 , both side portions 103 , a rear portion 104 , and a front portion 105 having an opening. ) may be provided in a substantially rectangular box shape including. This connector housing 100 is inserted into the housing of another connector from the front part 105, and the main terminal part 210 of the connector terminal 200 to be described later is connected to connector pins provided in the housing of the other connector in a receptacle manner. can

For reference, the conventional cable connector (see FIG. 1) forms an insertion slot in the rear part of the connector housing so that signal cables can be partially introduced through the rear part of the connector housing, whereas the cable connector 10 of the present invention is Since the signal cables 20 are fixed to the outside of the connector housing 100 , there is no need for a separate insertion slot in the rear part 104 of the connector housing 100 . Therefore, in the cable connector 10 of the present invention, the inner and outer structures of the connector housing 100 can be implemented more simply than in the prior art.

Hereinafter, the main components of the cable connector 10 that enable electrical connection and mechanical fixation of the signal cables 20 to the outside of the connector housing 100 will be described in detail.

The connector terminals 200 according to the present invention are provided in a number corresponding to the number of signal cables 20 , and each of them may include a main terminal unit 210 and a connection pin unit 220 .

The main terminal part 210 is a part electrically connected to terminals of other connectors and is disposed inside the connector housing 100 . The main terminal unit 210 may be provided to extend in a straight line toward the opening in a plug type, which corresponds to a connector terminal corresponding to a counterpart being provided in a socket type. Of course, the main terminal unit 210 may vary depending on the type of terminal of the counterpart connector. For example, when the terminal of the counterpart connector is a plug type, the main terminal unit 210 may be provided in a socket type.

The connection pin part 220 is a part connected to the signal cable 20, is arranged to extend from one side of the main terminal part 210 to the outside of the connector housing 100 by a predetermined length, and may be provided to have a pointed tip 222. have.

Specifically, as shown in FIG. 5 , the connection pin part 220 is at an end close to the rear part 104 of the connector housing 100 that is blocked among both ends of the main terminal part 210, the main terminal part 210. It is connected at right angles to the connector housing 100 and penetrates the lower surface 102 of the connector housing 100 and may extend downwardly to protrude for a predetermined length. Here, the predetermined length may mean a length that is several millimeters (mm) longer than the diameter or thickness of the signal cable 20 .

The connection pin 220 may penetrate the coating of the signal cable 20 in a direction crossing the wiring direction of the signal cable 20 and contact the core wire therein. Accordingly, the signal cable 20 may be electrically connected by being inserted into the connection pin part 220 and fixed to the lower surface part 102 of the connector housing 100 .

The cable mounting guide 300 is configured to allow the signal cables 20 to be easily and safely inserted into the connection pin unit 220 and also to secure the fixity of the signal cables 20 plugged into the connection pin unit 220 .

The cable mounting guide 300 presses the signal cables 20 plugged into the connection pin 220 from the bottom to the top so that the connection pin 220 is completely in close contact with the lower surface 102 of the connector housing 100 . The signal cable 20 may be configured to pass through.

Specifically, looking at the cable mounting guide 300 according to the present embodiment, the cable mounting guide 300 may be rotated on the block hanger 310 extending vertically from the connector housing 100 and the block hanger 310 . It may include a pressing block 320 that is connected to each other.

As shown in FIG. 3 , the block hangers 310 may be fixedly coupled to both side portions 103 of the connector housing 100 one by one. In addition, the block hanger 310 vertically extends below the lower surface portion 102 of the connector housing 100 at a position spaced apart from the connection pin portion 220 toward the front portion 105 of the connector housing 100 by a predetermined distance. may be, and the pressing block 320 may be rotatably connected to the end thereof.

The pressing block 320 is formed in a plate shape of a size that can sufficiently cover all of the signal cables 20 plugged into the connection pin parts 220, and is formed in the edge of the side forming the thickness of the block hanger 310. The ends may be connected. For example, between the ends of the two block hangers 310 by providing hanger insertion grooves (not shown) on both sides of the pressing block 320 and inserting the bent ends of the block hangers 310 into the insertion grooves. The pressing block 320 is suspended. In this case, the pressing block 320 may rotate about the ends of the two block hangers 310 as an axis.

In addition, the pressing block 320 may further include a pin insertion groove 321 concavely formed on the upper surface (the surface for pressing the signal cable 20 ). The pin insertion groove 321 is a place into which the sharp tip 222 of the connection pin 220 passing through the signal cable 20 can be inserted without damage, and may be made of a soft material. Interposing a soft rubber pad (not shown) in the pin insertion groove 321 may be one expedient.

Meanwhile, although not shown, a small capsule encapsulated in an adhesive resin may be interposed in the pin insertion groove 321 . The capsule is broken by the sharp tip 222 of the connecting pin 220, and at this time, the adhesive resin is permeated into the pin insertion groove 321 and its surroundings, so that the connecting pin 220 and the pressing block 320 and the signal cable (20) can be adhered to each other.

Hereinafter, a method of assembling and disassembling the cable connector 10 and the signal cable 20 according to the present embodiment will be briefly described with reference to FIGS. 5 to 7 .

First, as shown in FIG. 5 , the upper surface of the pressing block 320 is perpendicular to the lower surface 102 of the connector housing 100 by disposing the pressing block 320 in the vertical lower portion of the connecting pin 220 . Allow the signal cable 20 to be laid.

Then, the signal cable 20 is inserted into the tip 222 of the connection pin 220 to a predetermined depth. In this state, the pressing block 320 is rotated to push up the signal cable 20 from the lower part to the upper part so as to be in close contact with the lower surface part 102 of the connector housing 100 .

7, when the signal cable 20 is completely in close contact with the lower surface 102 of the connector housing 100, the connection pin 220 passes through the signal cable 20 in the thickness direction and the tip 222 portion It is inserted into the pin insertion groove 321 of the pressing block 320 and fixed. For reference, as described above, the capsule is broken through the capsule in the pin insertion groove 321 and the adhesive resin flows out so that the connecting pin 220, the signal cable 20, and the pressing block 320 are adhered to each other. It may be possible to make it fixed.

Disassembly of the cable connector 10 and the signal cable 20 may be performed in the reverse order of the assembly procedure. That is, the pressing block 320 is rotated clockwise to secure a space in which the signal cable 20 can be pulled down from the connection pin 220 . Then, by applying force, the signal cable 20 may be pulled under the connection pin part 220 .

As such, in the present invention, the assembly and separation of the signal cable 20 and the cable connector 10 are configured very easily, so that the signal cable 20 and the cable connector 10 used in a specific electrical device are reworked as needed. ) and can be reused again for other electrical devices.

8 is an exploded view of the cable connector 10 according to another embodiment of the present invention, and FIGS. 9 and 10 are views for explaining an assembly process of the cable connector 10 according to another embodiment of the present invention.

Next, another embodiment of the present invention will be described with reference to FIGS. 8 to 10 . The same reference numerals denote the same members, and the overlapping description of the same members will be omitted, and differences from the above-described embodiments will be mainly described.

Another embodiment of the present invention, compared with the above-described embodiment, there is a difference in the cable mounting guide 300, and the rest of the configuration is substantially the same.

As shown in FIG. 8 , the cable mounting guide 300 of this embodiment may include a cable cover 330 and a spacing adjusting unit 340 .

The cable cover 330 supports the signal cables 20 under the signal cables 20 and is coupled to the lower surface 102 of the connector housing 100 to enclose the signal cables 20 integrally. can

Specifically, the cable cover 330 may include a support part 331 and a cover coupling part 333 .

The support part 331 has a plate shape having a width corresponding to the width of the connector housing 100, and grooves 331a concave in an arc shape so that the signal cables 20 can be placed on the plate surface without moving. can be provided

The cover coupling part 333 is a part that can be fixed in contact with the lower surface 102 of the connector housing 100 and is located at both ends of the support part 331 in the width direction and is provided to have a greater thickness than the support part 331 . can be In other words, the cover coupling part 333 is formed to protrude upward from the surface of the support part 331, and the protruding height here is the signal cable 20 and the signal cable 20 when the signal cable 20 is disposed in the groove 331a. It can be the same or slightly less than that.

In addition, the cover coupling part 333 includes a bolt fastening hole 333a recessed in the upper surface thereof. A shoulder bolt 340, which is a spacing adjusting unit of this embodiment, which will be described later, may be fastened to the bolt fastening hole 333a.

The spacing adjusting unit is a means for connecting the connector housing 100 and the cable cover 330 to be movable relative to each other in the vertical direction, and is a signal cable 20 between the connector housing 100 and the cable cover 330 . Any combination may be employed as long as it is a combination of mechanisms that can secure a space for interposing the .

As will be described later, the present embodiment employs the shoulder bolt 340 as the spacing unit, but a coil spring may be employed as an alternative example. Although not shown, a concave groove into which a coil spring can be inserted is provided in the center of the cover coupling part 333 , and the upper end of the coil spring is fixed to the lower surface portion 102 of the connector housing 100 , and the lower end of the coil spring is fixed to the bottom of the concave groove of the cover coupling part 333 and pulling the cable cover 330 will allow a space between the connector housing 100 and the cable cover 330 to be secured. And when the cable cover 330 is released again, the cover coupling part 333 of the cable cover 330 may contact the connector housing 100 by the restoring force of the coil spring.

Hereinafter, an example in which the shoulder bolt 340 according to the present embodiment is employed as a spacing adjusting unit will be described in detail.

As shown in FIG. 8 , the shoulder bolt 340 may include a head portion 341 and a rod portion 342 . It may be desirable to have the head portion 341 having a diameter that can be rotated by gripping by the operator. The rod part 342 has a length that can be connected to the cover coupling part 333 of the cable cover 330 to a predetermined depth through the connector housing 100 , and a screw 343 may be provided at an end thereof.

The connector housing 100 of this embodiment has a bracket part facing up and down with the cover coupling part 333 of the cable cover 330 on both side parts 103 of the connector housing 100 for connection of the shoulder bolt 340 . (103a) is further included, and the rod part 342 of the shoulder bolt 340 is inserted in the direction from the top to the bottom of the bracket part 103a, and the screw 343 part is the bolt fastening hole of the cable cover 330. It can be configured to bind to (333a).

At this time, if the rod portion 342 of the shoulder bolt 340 is not completely inserted into the bolt fastening hole 333a and only the screw 343 is inserted, the connector housing 100 and the cable cover 330 are the shoulder bolts. It is free to move relative to each other in the vertical direction along the rod portion 342 of 340 . Therefore, it is possible to secure a space for interposing the signal cables 20 between the lower surface portion 102 of the connector housing 100 and the support portion 331 of the cable cover 330 .

And when the screw 343 part of the shoulder bolt 340 enters the bottom surface of the bolt fastening hole 333a of the cover coupling part 333, the bracket part 103a of the connector housing 100 and the cable cover 330 ) of the cover coupling portion 333 may be strongly fixed in contact with each other. At this time, the height of the cover coupling portion 333 is provided to be less than or equal to the height of the signal cable 20 disposed in the groove 331a, so that the signal cable 20 is connected to the lower surface portion 102 of the connector housing 100 and the cable cover 330 . It may be fixed in a slightly compressed state between the supports 331 of the .

Hereinafter, a method of assembling and disassembling the cable connector 10 and the signal cable 20 of the present embodiment will be briefly described.

First, as shown in FIG. 9 , the shoulder bolt 340 is loosened by turning the shoulder bolt 340 counterclockwise only to the extent that the screw 343 of the shoulder bolt 340 is not separated from the bolt fastening hole 333a of the cable cover 330 . Next, the signal cables 20 are interposed between the connector housing 100 and the cable cover 330 by widening the upper and lower intervals.

After disposing the signal cables 20 in the grooves 331a of the cable cover 330 , respectively, the connector housing 100 and the cable so that the tip 222 of the connection pin 220 can be inserted into the signal cable 20 . The gap between the covers 330 is narrowed.

Next, as shown in FIG. 10 , the shoulder bolt 340 is turned all the way in the clockwise direction so that the bracket part 103a of the connector housing 100 and the cover coupling part 333 of the cable cover 330 come into complete contact. Accordingly, the signal cables 20 can be completely mechanically fixed between the connector housing 100 and the cable cover 330 , and the connection pin 220 passes the signal cable 20 in the thickness direction to be electrically connected. can

Disassembly of the cable connector 10 and the signal cable 20 may be performed in the reverse order of the assembly procedure. That is, after turning the shoulder bolt 340 counterclockwise again to separate the cable cover 330 , each signal cable 20 may be pulled out from the connection pin parts 220 .

In the above, preferred embodiments of the present invention have been illustrated and described, but the present invention is not limited to the specific preferred embodiments described above, and without departing from the gist of the present invention as claimed in the claims, in the technical field to which the present invention pertains Any person skilled in the art can make various modifications, of course, and such modifications are within the scope of the claims.

On the other hand, in this specification. Although terms indicating directions such as up, down, left, and right have been used, those skilled in the present invention are aware that these terms are only for convenience of description and may be expressed differently depending on the viewing position of the observer or the position of the object. self-evident to

100: connector housing
200: connector terminal
210: main terminal part
220: connection pin part
300: cable mounting guide
310: block hanger
320: pressure block
321: pin insertion groove
330: cable cover
331: support
331a: groove
333: cover coupling part
340: shoulder bolt

Claims (12)

A cable connector connected to one or more signal cables capable of transmitting a signal, comprising: a connector housing; and connector terminals disposed in and out of the connector housing;
Each of the connector terminals,
a main terminal part disposed inside the connector housing; and
and a connection pin portion extending from one side of the main terminal portion to the outside of the connector housing and having a pointed tip to allow the signal cable to be inserted. According to claim 1,
The connection pin part is connected to one end of the main terminal part at a right angle and is provided to protrude below the lower surface of the connector housing. 3. The method of claim 2,
The cable connector further comprising a cable mounting guide for pressing the signal cable plugged into the connection pin portion in close contact with the lower surface of the connector housing. 4. The method of claim 3,
The cable installation guide is
a block hanger having one end fixedly coupled to the side surface of the connector housing and extending perpendicularly to the lower surface of the connector housing; and
and a plate-shaped pressing block rotatably connected to the other end of the block hanger to press the signal cables from bottom to top. 5. The method of claim 4,
The pressing block is a cable connector, characterized in that provided with a pin insertion groove provided to be fixed to the pointed tip is inserted. 6. The method of claim 5,
A cable connector, characterized in that a capsule wrapped with an adhesive resin is further interposed in the pin insertion groove. 4. The method of claim 3,
The cable installation guide is
a cable cover provided to support and surround the signal cables; and
The cable connector further comprising a spacing adjusting unit connecting the connector housing and the cable cover to be movable relative to each other in the vertical direction. 8. The method of claim 7,
The distance adjusting unit is a cable connector, characterized in that the shoulder bolt. 9. The method of claim 8,
The cable cover is
a plate-shaped support part capable of seating the signal cables; and
and a cover coupling part positioned at both ends of the support part and protruding vertically from the surface of the support part. 10. The method of claim 9,
The connector housing further includes a bracket portion facing up and down the cover coupling portion on both side portions,
The shoulder bolt is fitted at an upper portion of the bracket portion and a screw portion formed at an end thereof is connected to a bolt fastening hole formed to a predetermined depth in the cover coupling portion. 10. The method of claim 9,
and the support portion includes a plurality of grooves concavely formed to surround a portion of the signal cable. 12. The method of claim 11,
The cable connector, characterized in that the cover coupling portion is formed to protrude below the height of the signal cable when the signal cable is disposed in the groove.

Images