KR20230086415A - Cable connecting device - Google Patents

Abstract

The present invention relates to a cable connection device that can be miniaturized and can improve construction quality, and has a hollow portion so that a first cable is inserted into one side and a second cable is inserted into the other side, and penetrates in a direction perpendicular to the hollow portion to form a female screw. A cable connection member having a screw groove formed with a ridge, a fastening member that is screwed into the screw groove of the cable connection member to fasten and fix the first cable and the second cable to the cable connection member, and the fastening so as to be fastened to the screw groove. Includes a fastening tool for rotating the member. With this configuration, it is possible to obtain the effect of improving the construction quality because it can be miniaturized and no construction debris is generated.

Description

Cable connecting device {CABLE CONNECTING DEVICE}

The present invention relates to a cable connection device, and more particularly, to a cable connection device capable of miniaturization and improving construction quality.

In general, underground distribution lines constituting a distribution line cannot produce, pack, or transport 　 wires that can constitute the entire line, so generally order a 　 wire length required for connection and connect the wires to the required length 　 to configure a distribution line, ,　Wire connection connects two cut wires using a straight connecting material.

1 is a diagram schematically showing a configuration for connecting conventional electric wires.

Referring to FIG. 1, conventionally, after inserting wires (C) requiring connection to both ends of a straight connecting member (10), bolts (20) are fastened to the straight connecting member (10) to form a The ends are physically and electrically connected.

As such, in the case of connecting the wires in the conventional method, the head 21 of the bolt 20 of the straight connecting member 10 is rotated using a wrench 30 to connect the wire C to the straight connecting member 10. In the process of rotating the head 21 of the bolt 20 using the wrench 30, the head 21 of the bolt 20 is worn, and metal powders fall, resulting in construction debris. There is a problem with this occurring.

In addition, since the head 21 of the bolt 20 must be rotated while being inserted into the wrench 30, the space between the bolts 20 can secure a space for driving the wrench 30. There is a problem in that it takes up a lot of space because it must be formed at a certain interval.

In addition, there is also a problem in that the head 21 of the bolt 20 protrudes outward from the straight connecting member 10 and takes up a lot of space.

Accordingly, in order to downsize, a bolt 20 in which only the head 21 is removed when the head 21 of the bolt 20 is rotated over a certain torque has also been developed. That is, when the wire (C) is fastened to the straight connector 10 by rotating the bolt 20 and further rotated, only the head 21 is removed to prevent the portion occupying space.

However, in this case, as the head 21 is removed, more metal powders fall, resulting in a lot of construction debris.

The present invention has been devised to solve the above problems, and an object of the present invention is to provide a cable connection device that can be miniaturized and does not generate construction debris, thereby improving construction quality.

In order to achieve the above object, a cable connection device according to a preferred embodiment of the present invention has a hollow portion into which a first cable is inserted into one side and a second cable is inserted into the other side, and penetrates in a direction perpendicular to the hollow portion. a cable connecting member provided with a screw groove formed with a female thread; a fastening member screwed into the screw groove of the cable connection member to fasten and fix the first cable and the second cable to the cable connection member; and a fastening tool for rotating the fastening member to be fastened to the screw groove.

For example, the cable connection material may include a linear connection material body; A first hollow portion formed by being inserted inward from one end of the connecting material body; a second hollow part formed by being inserted inward from the other end of the connecting material body; a blocking wall blocking between the first hollow part and the second hollow part; At least one first screw groove formed to pass through the first hollow part on the outer circumferential surface of the connecting member body and having a female thread formed on the inner circumferential surface; and at least one second screw groove formed to pass through the second hollow part on the outer circumferential surface of the connecting member body and having a female thread formed on the inner circumferential surface.

In addition, when the fastening member is rotated by the fastening tool, the entire body may be positioned inside the cable connecting member.

To this end, the fastening member, the fastening member body formed in a cylindrical shape; a male screw thread formed on an outer circumferential surface of one side of the fastening member body and screwed into a screw thread formed in the screw groove; and a fastening groove formed in the shape of a polygonal groove toward the inside from the other end surface of the fastening member body and receiving rotational force through which the fastening tool is fastened.

The fastening tool includes a wrench unit fastened to the fastening member; and a rotation unit to which the wrench unit is fastened and which rotates the wrench unit.

And, the fastening tool, the sensor unit for measuring the rotational torque of the wrench unit by the rotating unit; and a display unit displaying the torque measured by the sensor unit.

In addition, the fastening tool may include a manipulation unit provided in the display unit and capable of setting a target torque value; and a notification unit notifying the user to recognize when the rotation unit rotates the wrench unit to reach the target torque value.

Alternatively, the fastening tool may include a torque transfer unit provided between the wrench unit and the rotating unit, transmitting rotational force up to a set maximum torque value, and not transmitting rotational force when the set maximum torque value is exceeded. .

For example, the torque transfer unit may include a first rotation unit that is fastened to the wrench unit and rotates together; and a second rotation unit coupled to the rotation unit and rotated together, disposed around the first rotation unit and in contact with the first rotation unit to have a predetermined frictional force.

For example, the torque transfer unit may set a maximum static friction force between the first rotation unit and the second rotation unit to a value corresponding to a set maximum torque value.

According to the cable connection device according to the present invention, it is possible to obtain an effect of improving construction quality because it can be miniaturized and does not generate construction debris.

1 is a view schematically showing a configuration for connecting conventional wires
2 schematically shows a cable connection device according to an embodiment of the present invention;
3 is a perspective view schematically showing a fastening tool extracted from a cable connection device according to an embodiment of the present invention;
4 is a diagram schematically showing a state in which cables are connected using a cable connection device according to an embodiment of the present invention;
5 is a cross-sectional view schematically showing another embodiment of a fastening tool in a cable connection device according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail in the detailed description. This is not intended to limit the present invention to specific embodiments, and should be construed as including all changes, equivalents, or substitutes included in the spirit and technical scope of the present invention.

Terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions may include plural expressions unless the context clearly dictates otherwise.

Unless defined otherwise, all terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by a person of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries may be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, interpreted in an ideal or excessively formal meaning. It may not be.

Hereinafter, specific embodiments of the present invention will be described with reference to the accompanying drawings.

Figure 2 is a schematic view of a cable connection device according to an embodiment of the present invention, Figure 3 is a perspective view schematically showing a fastening tool extracted from the cable connection device, Figure 4 is the cable connection device It is a view schematically showing a state in which cables are connected using , and FIG. 5 is a cross-sectional view schematically showing another embodiment of the fastening tool.

2 to 5, the cable connection device 100 according to an embodiment of the present invention includes a cable connection member 110 into which a cable is inserted, and a fastening member for fastening and fixing the cable to the cable connection member 110 ( 120), and a fastening tool 130 for fastening the fastening member 120 to the cable connecting member 110.

The cable connection member 110 has hollow parts 112 and 113 so that the first cable C1 is inserted on one side and the second cable C2 is inserted on the other side, and is perpendicular to the hollow parts 112 and 113. Screw grooves 115 and 116 are provided that penetrate in one direction and form female threads.

More specifically, the cable connecting member 110 includes a linear connecting member body 111, a first hollow part 112 inserted inwardly from one end of the connecting member body 111, and the connecting member body 111. A second hollow part 113 inserted inwardly from the other end of the, a blocking wall 114 blocking between the first hollow part 112 and the second hollow part 113, and at least one formed, A first screw groove 115 formed to penetrate the first hollow part 112 on the outer circumferential surface of the connecting material body 111 and having a female thread formed on the inner circumferential surface, and at least one or more formed on the outer circumferential surface of the connecting material body 111. It may include a second screw groove 116 formed to pass through the second hollow part 113 and formed with a female thread on an inner circumferential surface.

With this configuration, after inserting the first cable (C1) of a pair of cables to be connected to the first hollow part 112, and then fastening the fastening member 120 to the first screw hole 115, The fastening member 120 may tightly fix the first cable C1 to the connection material body 111 and fasten it.

After inserting a second cable (C2) of a pair of cables to be connected to the second hollow part (113) and fastening the fastening member (120) to the second screw hole (116), the fastening member (120) may tightly fix the second cable (C2) to the connection material body (111) and fasten it.

Through this, the first cable C1 and the second cable C2 can be electrically and mechanically connected.

In addition, the blocking wall 114 is formed between the first hollow part 112 and the second hollow part 113 so as to block them without communicating with each other.

Through this, the first cable C1 inserted through the first hollow part 112 is inserted to the inner end of the first hollow part 112 so that the end of the first cable C1 is the blocking wall ( 114), it can be determined that it does not move any more.

In addition, the second cable C2 inserted through the second hollow part 113 is also inserted to the inner end of the second hollow part 113 so that the end of the second cable C2 is the blocking wall 114 ), it can be understood that it does not move any further.

In addition, each of the first screw groove 115 and the second screw groove 116 may be formed along the longitudinal direction of the connection material body 111, and at least one or more may be formed.

That is, in order to improve the fastening force of the first cable C1 and the second cable C2 inserted into the first hollow part 112 and the second hollow part, respectively, it may be formed in plurality.

In the drawings, the first screw groove 115 and the second screw groove 116 are shown to be formed by two, but the present invention is not limited thereto, and the first screw is not limited thereto, depending on the installation location and the thickness and material of the cable to be installed. It may be manufactured to form one groove 115 and the second screw groove 116, respectively, or two or more.

The fastening member 120 is screwed into the screw grooves 115 and 116 of the cable connection member 110 to fix the first cable C1 and the second cable C2 to the cable connection member 110. It is a composition that

Since the fastening member 120 is formed in a cylindrical shape having the same diameter, when rotated by the fastening tool 130, the entire body is inside the cable connection member 110, as shown in FIG. It can be formed to position.

That is, the fastening member 120 is located inside the cable connection member 110 in a state in which the cable is fastened to the cable connection member 110, and is formed so as not to protrude outward from the cable connection member 110. It is structured to occupy a minimum of space.

To this end, the fastening member 120 is formed on the outer circumferential surface of one side of the fastening member body 121 formed in a cylindrical shape having the same diameter and the fastening member body 121 and formed on the screw grooves 115 and 116 A male screw thread 122 screwed into the screw thread, and a fastening groove 123 formed in the shape of a polygonal groove toward the inside from the other end surface of the fastening member body 121 and receiving rotational force through which the fastening tool 130 is fastened. ) can be made including.

That is, conventionally, as shown in FIG. 1, the head 21 of the bolt 20 is formed with a large diameter, so that the head of the bolt 20 is connected even when the wire C is fastened to the straight connector 10. The portion (21) protrudes to the outside of the straight connecting member 10, and thus occupies a lot of space.

Therefore, in the present invention, unlike the prior art, even when the cable is fastened to the cable connection member 110 by providing the fastening member 120, there is no part protruding outward of the cable connection member 110, so that it occupies a minimum space. configured to do so.

The fastening tool 130 rotates the fastening member to be fastened to the screw groove.

To this end, the fastening tool 130 includes a wrench part 131 fastened to the fastening member 120 and a rotation part 132 to which the wrench part 131 is fastened and which rotates the wrench part 131. It is done by

The wrench part 131 is formed in a shape to be inserted into the fastening groove 123 of the fastening member 120, and rotates the fastening member 120 in a state of being inserted into the fastening groove 123 to fasten the fastening. The member 120 may be inserted and fastened to the cable connection member 110 .

For example, the fastening groove 123 and the wrench part 131 may be formed in a hexagonal shape.

Further, the fastening tool 130 may be configured to rotate the fastening member 120 so that the fastening member 120 presses the cable to provide only torque for fastening to the cable connecting member 110 .

To this end, the fastening tool 130 includes a sensor unit 133 that measures the rotational torque of the wrench unit 131 by the rotating unit 132, and the user's current torque measured by the sensor unit 133. It may be configured to include a display unit 134 that displays the torque so that the value can be checked.

With this configuration, when the fastening member 120 is rotated by the fastening tool 130 and the fastening member 120 presses the cable, the torque value applied to the rotating part 132 increases. When the user checks the torque value through the display unit 134, the fastening member 120 can fasten and fix the cable at an optimal torque value for fastening the cable to the cable connecting member 110.

That is, if the fastening member 120 is fastened with a torque smaller than the torque required to stably fasten the cable to the cable connection member 110, the cable may be easily separated from the cable connection member 110.

In addition, when the fastening member 120 is fastened with a torque value higher than the torque value for stably fastening the cable to the cable connecting member 110, the cable is disconnected or unnecessary metal is generated due to high frictional force between the cable and the fastening member 120. Powders may cause problems.

Therefore, the fastening tool 130 according to the embodiment of the present invention can check the torque value at which the fastening member 120 is fastened through the sensor unit 133 and the display unit 134, and thus the cable with the optimal torque. may be fastened to the cable connection member 110.

In addition, as shown in FIG. 4, the first cable C1 inserted into the first hollow part 112 of the cable connection member 110 and the second cable C2 inserted into the second hollow part 113 If the diameters are different from each other, the torque value to be applied to each of the first cable C1 and the second cable C2 also becomes different, so it is possible to fasten at an optimal torque value considering the diameter of these cables.

In addition, even when the first cable C1 and the second cable C2 are made of different materials such as copper or aluminum, torque values to be applied to the first cable C1 and the second cable C2, respectively. In addition, since it is different, it is possible to fasten at an optimal torque value by considering the material of the cable.

Therefore, the cable can be optimally fastened and fixed with an optimal torque value in consideration of the size and material of the cable. Here, the optimal torque value can be applied after a separate database is established by conducting a test in advance according to the diameter and material of the cable.

In addition, the fastening tool 130 may further include a configuration for visually or audibly notifying the user when the target torque value is reached so that the user can easily grasp the torque value.

To this end, the fastening tool 130 includes a control unit 135 provided on the display unit 134 and capable of setting a target torque value, and the rotation unit 132 rotates the wrench unit 131 to achieve the target torque. When the value is reached, a notification unit 136 notifying the user to recognize it may be included.

Here, the notification unit 136 may be provided as a lamp that can be visually recognized by the user or as a speaker that can be recognized by the user aurally. Of course, the notification unit 136 may be provided with both a lamp and a speaker so that the user can recognize both visually and audibly.

Alternatively, the fastening tool 130 may be configured to transmit rotational force only up to a desired torque without having a separate electronic device such as a sensor unit and a display unit.

To this end, the fastening tool 130 is provided between the wrench part 131 and the rotating part 132, transmits rotational force up to a set maximum torque value, and does not transmit rotational force when the set maximum torque value is exceeded. It may be configured to include the delivery unit 140.

That is, the torque transfer unit 140 is connected so that the wrench unit 131 and the rotation unit 132 rotate together until the set maximum torque, and when the set maximum torque is exceeded, the wrench unit 131 and the rotation unit 132 ) may be separated to relatively rotate and configured not to transmit rotational force.

For example, referring to FIG. 5 , the torque transfer unit 140 is coupled to the wrench unit 131 and rotates together with the first rotation unit 141 and the rotation unit 132 to rotate together. It may include a second rotation unit 142 disposed around the first rotation unit 141 and in contact with the first rotation unit 141 to have a predetermined frictional force.

Here, the torque transfer unit 140 may be configured such that the maximum static frictional force between the first rotation unit 141 and the second rotation unit 142 is set to a value corresponding to the set maximum torque value.

With this configuration, when the user rotates the rotation unit 132 below the set maximum torque value, the second rotation unit 142 and the first rotation unit 141 rotate together by frictional force to rotate the wrench unit 131. can make it

In addition, when the user continues to rotate the rotating part 132 and exceeds the set maximum torque value, the maximum static friction force between the second rotating part 142 and the first rotating part 141 is exceeded, and the second rotating part ( 142) and the first rotating part 141 rotate relative to each other, so that the wrench part 131 cannot be rotated anymore.

In this way, the fastening tool 130 can be fastened with an optimal torque value for fastening the cable to the cable connecting member 110, thereby solving problems of cable separation or cable breakage.

Although the present invention has been described in detail through specific examples, this is for explaining the present invention in detail, the present invention is not limited thereto, and the present invention is within the technical spirit of the present invention. It is clear that modification or improvement is possible by the person.

All simple modifications or changes of the present invention fall within the scope of the present invention, and the specific protection scope of the present invention will be clarified by the appended claims.

C1: first cable C2: second cable
100: cable connection device 110: cable connection material
111: connection material body 112: first hollow part
113: second hollow part 114: barrier wall
115: first screw hole 116: second screw hole
120: fastening member 121: fastening member body
122: male thread 123: fastening groove
130: fastening tool 131: wrench part
132: rotating part 133: sensor part
134: display unit 135: control unit
136: notification unit 140: torque transmission unit
141: first rotation unit 142: second rotation unit

Claims (10)

a cable connecting member having a hollow portion into which a first cable is inserted at one side and a second cable is inserted at the other side, and having a threaded groove through which a female thread is formed through the hollow portion in a direction perpendicular to the hollow portion;
a fastening member screwed into the screw groove of the cable connection member to fasten and fix the first cable and the second cable to the cable connection member; and
a fastening tool for rotating the fastening member to be fastened to the screw groove;
A cable connector comprising a.
According to claim 1,
The cable connection material,
A connecting material body in the form of a straight line;
A first hollow part formed by being inserted inward from one end of the connecting member body;
a second hollow part formed by being inserted inward from the other end of the connecting member body;
a blocking wall blocking between the first hollow part and the second hollow part;
At least one first screw groove formed to pass through the first hollow part on the outer circumferential surface of the connecting member body and having a female thread formed on the inner circumferential surface; and
At least one second screw groove formed to pass through the second hollow part on the outer circumferential surface of the connecting material body and having a female thread formed on the inner circumferential surface;
Cable connector comprising a.
According to claim 1,
The fastening member,
When rotated by the fastening tool, the cable connection device characterized in that the entire body is located inside the cable connection member.
According to claim 1,
The fastening member,
A fastening member body formed in a cylindrical shape;
a male screw thread formed on an outer circumferential surface of one side of the fastening member body and screwed into a screw thread formed in the screw groove; and
a fastening groove formed in the shape of a polygonal groove toward the inside from the other end surface of the fastening member body, and receiving rotational force through which the fastening tool is fastened;
Cable connector comprising a.
According to claim 1,
The fastening tool,
Wrench part fastened to the fastening member; and
a rotation unit to which the wrench unit is fastened and which rotates the wrench unit;
Cable connector comprising a.
According to claim 5,
The fastening tool,
A sensor unit for measuring torque of rotation of the wrench unit by the rotating unit; and
a display unit displaying the torque measured by the sensor unit;
Cable connector comprising a.
According to claim 6,
The fastening tool,
a manipulation unit provided in the display unit and capable of setting a target torque value; and
a notification unit notifying a user to recognize when the rotation unit rotates the wrench unit to reach the target torque value;
Cable connector comprising a.
According to claim 5,
The fastening tool,
a torque transfer unit provided between the wrench unit and the rotating unit, transmitting rotational force up to a set maximum torque value, and not transmitting rotational force when the set maximum torque value is exceeded;
Cable connector comprising a.
According to claim 8,
The torque transfer unit,
A first rotation unit that is fastened to the wrench unit and rotates together; and
a second rotation unit coupled to the rotation unit and rotated together, disposed around the first rotation unit and in contact with the first rotation unit to have a predetermined frictional force;
Cable connector comprising a.
According to claim 9,
The torque transfer unit,
The cable connection device, characterized in that the maximum static friction force between the first rotation unit and the second rotation unit is set to a value corresponding to the set maximum torque value.

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