KR102604563B1 - Cable gland assembly for easy cable installation - Google Patents

Abstract

The present invention relates to a cable gland assembly that is easy to construct. In detail, it is about a cable gland assembly that is necessary for installing cables in a distribution board. It eliminates the inconvenience of work with easy construction and has excellent waterproofing performance due to high watertightness. It is about an easy-to-install cable gland assembly. In a cable gland assembly that is easy to install and maintains watertightness, it is formed as a whole into a cylindrical shape that penetrates up and down, a threaded portion is formed at the upper end, a protrusion that protrudes steeply in the radial direction is formed at the middle portion, and the outer peripheral surface of the lower end is uneven. It is provided with a body unit formed by a portion, a nut unit fastened to the screw portion to secure the body unit to the distribution board, and a disk-shaped cover coupled to a step formed on the inner peripheral surface of the upper end of the body unit, and a first central portion through which a cable passes. It is provided with a cover unit and a disc-shaped cover coupled to a step formed on the inner peripheral surface of the lower end of the body unit, a second cover unit in the center through which a cable passes, and a second cover unit that is inserted into a groove formed along the circumferential direction of the inner peripheral surface of the middle portion of the body unit. A packing unit is provided in a cylindrical shape, with a cable passing through it from bottom to top in the center, and an upper slip limiter and a lower slip limiter provided at the upper and lower parts to elastically limit the cable from slipping downward, and the lower part of the body unit. It consists of a sealing unit that increases watertightness by elastically wrapping the outer circumference of the cable entering the body unit.

Description

Cable gland assembly for easy cable installation}

The present invention relates to a cable gland assembly that is easy to construct. Specifically, it is a cable gland assembly required for installing cables in a distribution board. It eliminates the inconvenience of work through easy construction, and is easy to construct with excellent waterproofing performance due to high watertightness. It is about a cable gland assembly.

The smooth supply of electricity is important in various industrial fields, including ships, and various electricity demands are responded to by using switchgear from a management or space utilization perspective. In general, a switchboard consists of a square enclosure and has a structure that allows cables to be inserted through the bottom of the enclosure.

Cable glands are used to connect cables to the distribution board. Conventionally, to connect cables to a distribution board, a cable gland was used in which all connections were made by screwing, but it took a lot of force for the worker to completely tighten the screws, and when the work space was small, installation was required in an uncomfortable position for a long time. There were difficulties to be had.

Meanwhile, since electricity is in opposition to water, in order to supply electricity stably, preparations must be made for moisture inflow regardless of the installation location. Components used in electrical systems generally have a required waterproof rating depending on the environment in which they are used, and the poorer the environment in which they are used, the higher the waterproof rating is required.

In particular, high watertightness is required for switchboards that are always used in humid places such as ships, and in salty marine environments, airtightness is even more important due to concerns about corrosion.

Conventional Technology In Republic of Korea Patent Publication No. 10-2016-0116173, a cable gland is disclosed. The cable gland according to this prior document includes a coupler nut having one end coupled to a signal processing unit that receives or outputs a cable signal and having a first passage through which the cable passes; and a cable holder on one side of which is inserted into the coupler nut and has a second passage through which the cable passes. The cable holder includes a body portion and a plurality of chuck portions formed along the circumference of the body portion. The coupler nut has a first threaded portion on the inner diameter portion of the distal side, and the plurality of chuck portions has a second threaded portion on the outer diameter portion for coupling with the first threaded portion. However, when a plurality of cable glands are provided adjacently, there is a problem in that workability is not good and waterproof characteristics are insufficient.

Republic of Korea Patent Publication No. 10-2016-0116173 (2016.10.07.)

The present invention is intended to solve the problems described above, and its purpose is to provide a cable gland assembly that allows easy cable construction even in environments where nut work is difficult.

Another object of the present invention is to provide a cable gland assembly with enhanced watertightness for cable construction.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems to be solved by the present invention that are not mentioned herein can be understood by those skilled in the art from the description below. can be clearly understood.

The easy-to-construct cable gland assembly according to the present invention to solve the above problems is an easy-to-construct cable gland assembly that fixes the cable connected to the distribution board and maintains watertightness, and is formed as a whole in a cylindrical shape penetrating up and down. , a body unit in which a threaded portion is formed at the upper end, a protrusion that protrudes stepwise in the radial direction is formed at the middle portion, and a concavo-convex portion is formed on the outer peripheral surface of the lower end, a nut unit fastened to the threaded portion to secure the body unit to the distribution board, and It is provided with a disc-shaped cover coupled to a step formed on the inner peripheral surface of the upper end of the body unit, a first cover unit through which a cable passes through the center, and a disk-shaped cover connected to a step formed on the inner peripheral surface of the lower end of the body unit, and the central portion is provided. There is a second cover unit through which the cable passes, and a cylindrical shape that is inserted into a groove formed along the circumferential direction of the inner peripheral surface of the middle part of the body unit. The cable passes through the center from downward to upward, and the upper and lower portions have cables downward. It is composed of a packing unit provided with an upper slip limiter and a lower slip limiter that elastically limits slippage, and a sealing unit that improves watertightness by elastically wrapping the outer peripheral surface of the lower part of the body unit and the outer peripheral surface of the cable entering the body unit. .

Preferably, the upper slip limiter and the lower slip limiter may elastically form an upward slope when the cable is inserted and limit downward departure of the cable.

Preferably, the diameter of the through hole of the first cover unit and the second cover unit is selected according to the thickness of the cable, and is characterized in that it is formed with a larger diameter than the upper slip limiting part and the lower slip limiting part of the packing unit. You can.

Preferably, the sealing unit further includes a sealing band formed of an elastic band with an inner diameter smaller than the outer diameter of the cable, and a sealing installation frame having an inner diameter larger than the outer diameter of the lower end of the body unit as a structure for elastically expanding the sealing band. Including, when the structure of the sealing installation frame is collapsed and removed, the sealing band is contracted and installed in close contact with the outer peripheral surface of the lower part of the body unit and the outer peripheral surface of the cable entering the body unit.

Preferably, the sealed installation frame may be provided as a spiral sealed installation frame, and the spiral sealed installation frame may be characterized in that a string-shaped structure is stacked spirally like a spring to form a cylinder with the top and bottom open as a whole. there is.

Preferably, the sealed installation frame may be provided as a board-shaped sealed installation frame, and the board-shaped sealed installation frame is formed by connecting a plurality of board members continuously along the circumferential direction to form a cylinder with the top and bottom open as a whole. It can be characterized.

Preferably, the plank member is formed with fastening protrusions that protrude inward from both sides in a '┏' shape, and within the cylinder formed by the plurality of plank members arranged, the fastening protrusions of adjacent plank members are formed. It may be characterized in that a board fastening means that is fastened at the same time is further provided.

The easy-to-construct cable gland assembly according to the present invention can be installed simply by pushing the cable through the body unit and packing unit, which has the effect of allowing easy cable construction even in environments where work is difficult. .

The easy-to-construct cable gland assembly according to the present invention has the effect of providing a cable gland assembly with enhanced watertightness through a first cover unit, a second cover unit, a packing unit, and a sealing unit.

Figure 1 shows a perspective view of an assembly of an easy-to-construct cable gland assembly according to an embodiment of the present invention.
Figure 2 shows a cross-sectional view of a body unit according to an embodiment of the easy-to-construct cable gland assembly according to the present invention.
Figure 3 is a cross-sectional view showing an embodiment in which a packing unit, a first cover unit, and a second cover unit are combined with a body unit in the easy-to-construct cable gland assembly according to the present invention.
Figure 4 shows a nut unit fastened to a body unit and a sealing unit according to an embodiment of the easy-to-construct cable gland assembly according to the present invention.
Figure 5 is an installation example showing a state in which the cable is inserted into the body unit and a sealing band is installed at the connection part, eliminating any gaps, in the easy-to-install cable gland assembly according to the present invention.
Figure 6 shows an embodiment in which, in the easy-to-construct cable gland assembly according to the present invention, a plurality of plank members of the plank-shaped sealed installation frame are arranged in a cylindrical shape, and the fastening protrusions of neighboring plank members are positioned in contact with each other. am.
Figure 7 is an embodiment showing the form of the plank fastening means of the plank-shaped sealed installation frame in the easy-to-construct cable gland assembly according to the present invention.
Figure 8 is an embodiment showing a connection form in which the board fastening means fixes the board member to maintain the cylinder in the easy-to-construct cable gland assembly according to the present invention.
Figure 9 is an embodiment showing that, in the easy-to-construct cable gland assembly according to the present invention, the plank fastening means of the plank-shaped sealed installation frame includes a stepped fastening part.
Figure 10 shows another embodiment of a body unit in which the protrusions are hexagonal in the easy-to-construct cable gland assembly according to the present invention.

The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and will be implemented in various different forms, but the present embodiments only serve to ensure that the disclosure of the present invention is complete, and those skilled in the art It is provided to fully inform the user of the scope of the invention. And the terms used in this specification are for describing embodiments and are not intended to limit the present invention. In this specification, singular forms also include plural forms unless specifically stated in the phrase.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. Meanwhile, illustrations and detailed descriptions of the configuration and its operations and effects that can be easily seen by those with ordinary knowledge in the relevant technical field will be simplified or omitted and will be explained in detail focusing on parts related to the present invention.

In the cable gland assembly that is easy to construct according to the present invention, the description of the drawing is as follows.

First, Figure 1 shows an assembly perspective view according to one embodiment of an easy-to-construct cable gland assembly according to the present invention.

And, Figure 2 shows a cross-sectional view of a body unit according to an embodiment of the easy-to-construct cable gland assembly according to the present invention.

In addition, Figure 3 is a cross-sectional view showing an embodiment in which a packing unit, a first cover unit, and a second cover unit are combined with a body unit in the easy-to-construct cable gland assembly according to the present invention.

In addition, Figure 4 shows that a nut unit fastened to a body unit and a sealing unit are provided according to an embodiment of the easy-to-construct cable gland assembly according to the present invention.

And, Figure 5 is an installation example showing a state in which, in the easy-to-install cable gland assembly according to the present invention, the cable is inserted into the body unit and a sealing band is installed at the connection part, leaving no gap.

In addition, Figure 6 shows that, in the easy-to-construct cable gland assembly according to the present invention, a plurality of plank members of the plank-shaped sealed installation frame are arranged in a cylindrical shape, and the fastening protrusions of neighboring plank members are positioned in contact with each other. This is an example.

In addition, Figure 7 is an embodiment showing the form of the board fastening means of the board-shaped sealed installation frame in the easy-to-construct cable gland assembly according to the present invention.

In addition, Figure 8 is an embodiment showing a connection form in which the board fastening means fixes the board member to maintain the cylinder in the easy-to-construct cable gland assembly according to the present invention.

In addition, Figure 9 is an embodiment showing that, in the easy-to-construct cable gland assembly according to the present invention, the plank fastening means of the plank-shaped sealed installation frame includes a stepped fastening part.

Lastly, Figure 10 shows another embodiment of a body unit in which the protrusions are hexagonal in the easy-to-construct cable gland assembly according to the present invention.

As shown in FIGS. 1 to 9, the easy-to-construct cable gland assembly according to the present invention is an easy-to-construct cable gland assembly that secures the cable connected to the distribution board and maintains watertightness, and has a cable gland assembly that penetrates up and down as a whole. A body unit (1) formed in a cylindrical shape, with a threaded portion (11) formed at the upper end, a protrusion (12) protruding stepwise in the radial direction at the middle portion, and an uneven portion (13) formed on the outer peripheral surface of the lower portion; It is provided with a nut unit (2) fastened to the threaded portion (11) to secure the body unit (1) to the distribution board, and a disk-shaped cover coupled to a step formed on the inner peripheral surface of the upper end of the body unit (1), and a cable in the center. A first cover unit (3) penetrating through the body unit (1), a second cover unit (4) provided with a disc-shaped cover coupled to a step formed on the inner peripheral surface of the lower end of the body unit (1), and a cable penetrating at the center; The body unit (1) is provided in a cylindrical shape that fits into a groove formed along the circumferential direction on the inner surface of the middle portion, and has a cable penetrating from bottom to top in the center, and the upper and lower parts elastically limit downward slippage of the cable. It includes a packing unit (5) provided with a slip limiting part and a bottom slip limiting part, and a sealing unit (6) that improves watertightness by elastically wrapping the outer peripheral surface of the lower part of the body unit (1) and the outer peripheral surface of the cable entering the body unit (1). It can be configured as follows.

The easy-to-construct cable gland assembly according to the present invention is provided to easily fix the cable connected to the distribution board. Due to the nature of switchboards, which are vulnerable to external environments, especially moisture, watertightness is required, so it is very important to install them without sloppy installation. However, in the past, there were many difficulties in installation due to problems such as narrow work space. Existing cable glands were mainly attempted to secure watertightness by inserting a seal and tightening a nut, but it was not easy to secure the seal strongly due to problems such as narrow work space, and there was a problem of water infiltrating the distribution board due to incomplete tightening. there was. Therefore, the present invention was devised to overcome this problem. Not only is it easy to construct because it is fixed by simply inserting the cable, but it also deviates from the method of securing watertightness by adding a seal and removes gaps with a rubber band, thereby achieving higher watertightness. It can be secured.

First, as shown in FIGS. 1 to 3, the body unit 1 is formed as a whole into a cylindrical shape penetrating up and down, a threaded portion 11 is formed at the upper end, and the middle portion has a protrusion ( 12) is formed, and an uneven portion 13 is formed on the outer peripheral surface of the lower end.

Next, as shown in FIG. 4, the nut unit 2 is fastened to the threaded portion 11 and may serve to secure the body unit 1 to the distribution board.

Specifically, the upper end of the body unit 1 is inserted into a through hole formed on one side of the switchboard. Also, the body unit 1 is blocked from being inserted from the outside to the inside by the protrusion 12 of the body unit 1. At this time, in order to prevent the body unit 1 from being removed from the distribution board, the nut unit 2 is fastened to the threaded portion 11 inside the distribution board, and the body unit 1 is fixed to the distribution board.

In one embodiment, as shown in FIG. 10, the protrusion 12 may protrude in a hexagonal shape. This is a configuration provided to more easily and firmly fasten the nut portion 2 by holding the protrusion 12 with a spanner or the like when fixing the body unit 1 to the distribution board.

Next, as shown in FIG. 3, the first cover unit 3 is provided as a disc-shaped cover coupled to a step formed on the inner peripheral surface of the upper end of the body unit 1, and a cable passes through the center.

Next, as shown in FIG. 3, the second cover unit 4 is provided as a disc-shaped cover coupled to a step formed on the inner peripheral surface of the lower end of the body unit 1, and a cable is provided in the center to pass through. .

Next, as shown in FIG. 3, the packing unit 5 is provided in a cylindrical shape to be inserted into a groove formed along the circumferential direction of the inner peripheral surface of the middle portion of the body unit 1, and a cable is installed in the center from downward to upward. It penetrates, and an upper slip limiter and a lower slip limiter are provided at the upper and lower parts to elastically limit downward slip of the cable.

More specifically, the upper slip limiter and the lower slip limiter can elastically form an upward slope when the cable is inserted and limit downward deviation.

The interior of the body unit 1 begins with a first inner diameter portion 14 from the upper end, followed by a second inner diameter portion 15 whose inner diameter is smaller than the first inner diameter portion 14. A third inner diameter portion (16) having a larger inner diameter than (15) follows, and a step to which the second cover unit (4) is coupled is formed at the lower inner periphery of the third inner diameter portion (16).

That is, the protrusion 12 of the body unit 1 is provided in a form that protrudes toward the central axis even inside, and the packing unit 5 is accommodated in the groove formed by the third inner diameter portion 16, and the inner Upward movement is restricted by the second inner diameter portion 15 that protrudes. And the second cover unit 4 coupled to the lower end of the body unit 1 limits the downward movement of the packing unit 5.

In more detail, as shown in FIG. 3, the packing unit 5 is made of an elastic material, is interpolated into the body unit 1, is located in the third inner diameter portion 16, and has an upper end portion. An upper slip limiting portion 51 is formed in the form of a lower beam to prevent downward slip of the cable, and is connected to the upper slip limiting portion 51 and has an outer diameter corresponding to the inner diameter size of the third inner diameter portion 16. A packing body portion 53 is formed, and a lower slip limit portion 52 is formed on the inner periphery of the lower end of the packing body portion 53, which protrudes upward and downward in a gradient toward the center of the circle. That is, the bottom slip limiter 52 elastically forms an upward slope when the cable is inserted and can prevent the cable from moving backward.

Garting as shown in FIG. 3, the packing unit 5 is located inside the body unit 1, and serves to fix the cable entering from the bottom to the top so that it does not escape downward. At this time, since the second inner diameter portion 15 and the third inner diameter portion 16 of the body unit 1 have different outer diameters, a step is formed, so that the packing body portion 53 corresponding to the size of the lower outer peripheral surface is used. The unit 5 can be fixed to the upper part of the body unit 1 without being separated. In addition, the packing unit 5 is prevented from being separated downward from the body unit 1 by the second cover unit 4 coupled to the lower end of the body unit 1.

In addition, the upper slip limiter 51 is in the form of an upper and lower beam, and adheres more strongly to the inserted cable as it moves upward, thereby improving friction and preventing the cable from escaping downward.

In addition, the lower slip limiting portion 52 is in the form of an upper and lower beam, and adheres more strongly to the cable being inserted upward, thereby improving friction and preventing the cable from escaping downward.

In addition, the upper slip limiting part 51 and the lower slip limiting part 52 not only prevent the cable from moving downward when the cable is inserted, but also prevent moisture from penetrating because they adhere strongly to the outer peripheral surface of the cable.

In addition, the diameter of the through hole of the first cover unit (3) and the second cover unit (4) is selected according to the thickness of the cable, but has a diameter larger than the upper and lower slip limiting parts of the packing unit (5). It is preferable to be formed as

The first cover unit (3) and the second cover unit (4) are selected according to the thickness of the cable, and if only the first cover unit (3) and the second cover unit (4) are replaced, the body unit (1) and packing unit 5 can be used as is to ensure versatility. At this time, the packing unit 5 must prevent the cable from escaping downward, so its diameter must be smaller than the cable thickness, and it is desirable to have elastic force and form an upward slope when the cable is inserted.

In addition, the first cover unit 3 and the second cover unit 4 serve to prevent foreign substances from penetrating into the body unit 1 and damaging the cable, and are made of an elastic material. However, it is preferable that it is made of a material that does not tear easily and is coupled to the body unit (1).

Next, as shown in FIG. 5, the sealing unit 6 can increase watertightness by elastically wrapping the outer peripheral surface of the lower end of the body unit 1 and the outer peripheral surface of the cable entering the body unit 1.

In addition, as shown in FIG. 4, the sealing unit 6 includes a sealing band 61 formed of an elastic band with an inner diameter smaller than the outer diameter of the cable, and a structure that elastically expands the sealing band 61, and is connected to the body. It further includes a sealed installation frame 62 having an inner diameter larger than the outer diameter of the lower end of the unit 1, and when the structure of the sealed installation frame 62 is collapsed and removed, the sealing band 61 is contracted to form the body unit ( 1) It can be installed in close contact with the outer peripheral surface of the lower part and the outer peripheral surface of the cable entering the body unit (1).

As shown in FIG. 5, the sealing band 61 may be made of high-elasticity rubber, and can maintain high watertightness by closing the gap between the lower end of the body unit 1 and the cable.

More specifically, the sealing band 61 is formed as a highly elastic band with an inner diameter smaller than the outer diameter of the cable. In addition, the sealing installation frame 62 is provided as a structure that elastically expands the diameter of the sealing band 61. Also, by collapsing and removing the structure of the sealing installation frame 62, the sealing band 61 can be contracted and installed in close contact with the outer peripheral surface of the lower end of the body unit 1 and the outer peripheral surface of the cable. That is, the sealing band 61 is stretched to surround the outer peripheral surface of the sealing installation frame 62, and when the sealing installation frame 62 collapses, it is restored to its original size by elastic force and wraps around the body unit 1 and the cable. .

In addition, as shown in FIG. 4, the inner diameter of the sealed installation frame 62 is preferably larger than the outer diameter of the lower end of the body unit 1.

In addition, a catch is formed between the concavo-convex portion 13 formed on the outer peripheral surface of the lower end of the body unit 1 and the sealing band 61 that is in strong contact with the sealing band 61, thereby further preventing downward separation of the sealing band 61.

In addition, the sealing installation frame 62 may have various embodiments, and the sealing band 61 is maintained in an expanded state, and then the structure is collapsed at the position where the sealing band 61 is installed, and the sealing band 61 is removed. ) can be installed in any form.

In addition, the sealed installation frame 62 is provided in a collapsible structure, and is a disposable sealed installation frame 62 whose structure cannot be restored once collapsed, and a multi-use sealed installation frame 62 that can be reassembled and used multiple times. It can be divided into:

In one embodiment, as shown in FIG. 4, the sealed installation frame 62 may be provided as a spiral sealed installation frame 62, and the spiral sealed installation frame 62 has a string-shaped structure like a spring. It can be stacked in a spiral shape to form a cylinder with the top and bottom open as a whole.

In another embodiment, the sealed installation frame 62 may be provided as a plank-shaped sealed installation frame 62, and the plank-shaped sealed installation frame 62 has a plurality of board members 621 along the circumferential direction. It can be connected continuously to form a cylinder with the top and bottom open as a whole.

In addition, the plank member 621 is formed with fastening protrusions 6211 (12) that protrude inward in a '┏' shape on both sides, and is formed inside the cylinder formed by the plurality of plank members 621 arranged. Board fastening means 622 that are simultaneously fastened to the fastening protrusions 6211 and 12 of neighboring board members 621 may be further provided.

Hereinafter, various embodiments of the structure of the sealed installation frame 62 will be described to aid understanding.

<Example 1>

As shown in FIG. 4, the sealed installation frame 62 may be provided as a spiral sealed installation frame 62.

The spiral sealed installation frame 62 is classified into a disposable sealed installation frame 62, in which string-shaped structures are stacked in a spiral shape like a spring to form a cylinder with the top and bottom open as a whole.

Preferably, the string-shaped structure may be made of a plastic material. The plastic string may be spirally adhered or fused to form a cylindrical shape, and the sealing band 61 may be extended on its outer circumferential surface.

<Example 2>

The sealed installation frame 62 may be provided as a plank-shaped sealed installation frame 62.

The plank-shaped sealed installation frame 62 according to Example 2 is divided into a disposable sealed installation frame 62, and a plurality of plank members 621 forming a curve are connected continuously along the circumference to form a seam, A cylinder with open top and bottom can be formed.

At this time, each board member 621 may be made of a plastic material and the joint portions are glued or fused, so when it is dismantled and removed, the cylindrical sealed installation frame 62 structure collapses and the sealed band 61 is attached to the body. It can be installed in close contact with the unit (1) and cable.

<Example 3>

As shown in FIGS. 6 to 8, the sealed installation frame 62 may be provided as a plank-shaped sealed installation frame 62.

The board-shaped sealed installation frame 62 according to Example 3 is divided into a reusable sealed installation frame 62, and both sides of each board member 621 have fastening protrusions 6211 that protrude inward in the shape of '┏'. )(12) may be further included.

In addition, it is provided with a structure including fastening fixing parts 6221 that are simultaneously fastened to the fastening protrusions 6211 and 12 of neighboring plank members 621, and the plank members 621 are arranged to maintain a cylindrical shape. It may further include a supporting cylindrical plank fastening means 622.

<Example 4>

As shown in FIGS. 6 and 9, the sealed installation frame 62 may be provided as a plank-shaped sealed installation frame 62.

The board-shaped sealed installation frame 62 according to Example 4 is divided into a reusable sealed installation frame 62, and both sides of each board member 621 have fastening protrusions 6211 that protrude inward in the shape of '┏'. )(12) may be further included.

In addition, it is provided with a structure including fastening fixing parts 6221 that are simultaneously fastened to the fastening protrusions 6211 and 12 of neighboring plank members 621, and the plank members 621 are arranged to maintain a cylindrical shape. It further includes a supporting cylindrical board fastening means 622, and the fastening fixing part 6221 is formed with a stepped step, so that the board fastening means 622, which fixes the board member 621, is rotated in one direction. It can be removed by moving it downward.

<Example 5>

The sealed installation frame 62 may be provided as a plank-shaped sealed installation frame 62.

The board-shaped sealed installation frame 62 according to Example 5 is divided into a reusable sealed installation frame 62, and each board member 621 may be formed with a fastening penetration portion on the inside. The fastening penetrating portion includes a pair of penetrating holes formed in a structure protruding unevenly inside the plank member 621.

In addition, a board fastening means 622 is further provided for simultaneously fastening one side of the through hole of each fastening penetration part of the neighboring board member 621, and the board fastening means 622 has an overall cylindrical shape and has a through hole at the lower end. A plurality of passing fixing pins may be formed.

<Example 6>

The sealed installation frame 62 may be provided as a plank-shaped sealed installation frame 62.

The plank-shaped sealed installation frame 62 according to Example 6 is divided into a reusable sealed installation frame 62, and each board member 621 is formed to be foldable by partially overlapping the neighboring board member 621. . A sliding groove formed along the longitudinal direction is formed on the starting point of the plank member 621 and the end of the plank member 621 that forms a circle, and a plank fastening means 622 that slides and fastens to each sliding groove at the same time is further provided. It can be.

<Example 7>

The sealed installation frame 62 may be provided as a plank-shaped sealed installation frame 62.

The board-shaped sealed installation frame 62 according to Example 7 is divided into a reusable sealed installation frame 62, and a sliding groove is formed on one side of each board member 621 and a sliding portion is formed on the other side. The sliding portion of the adjacent plank member 621 is inserted into the sliding groove of one plank member 621 to form an overall cylindrical shape, and the sealing band 61 is extended and positioned on the outer peripheral surface of the sealing installation frame 62. By sliding and removing the boards one by one, the cylindrical structure can be collapsed and the sealing band 61 can be installed.

As described above, application examples and effects of the easily constructed cable gland assembly according to the present invention are as follows.

The packing unit 5 is inserted and fixed into the body unit 1. And the upper end of the body unit (1) is inserted into the distribution board through hole, and the nut unit (2) is fastened to the threaded part (11) inside the distribution board to fix the body unit (1).

Then, a cable is introduced from the bottom to the top of the body unit (1), and the cable passes through the second cover unit (4) and the packing unit (5) located inside the body unit (1). At this time, it is preferable that the sealing unit 6 is first hung on the cable. After the cable is sufficiently inserted, the sealed installation frame 62 of the sealed unit 6 is dismantled and removed around the lower part of the body unit 1. By removing the sealed installation frame (62), the sealing band (61) wraps in close contact with the lower part of the body unit (1) and the cable, and the gap between the lower part of the body unit (1) and the cable disappears, thereby enhancing watertightness.

As such, the cable gland assembly, which is easy to construct according to the present invention, includes the upper slip limiter 51 and the lower slip limiter 52 of the packing unit 5, the first cover unit 3, and the second cover unit ( 4), the sealing band 61 can prevent the cable from escaping downward, and can achieve watertightness by preventing moisture from penetrating into the cable gland connection gap.

In addition, when installing the cable, a separate seal is provided for watertightness and fixation, and there is no need for screw fastening, so work can be easily done even in a narrow space. The cable is fixed only by pushing it in, and the sealed installation frame (62) is removed. It is possible to secure high watertightness by easily installing the sealing band (61).

The foregoing has described, rather broadly, the features and technical advantages of the present invention to enable a better understanding of the claims described below. Those skilled in the art to which the present invention pertains will understand that the present invention can be implemented in other specific forms without changing its technical idea or essential features. Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive. The scope of the present invention is indicated by the claims described below rather than the detailed description above, and all changes or modified forms derived from the claims and their equivalent concepts should be construed as being included in the scope of the present invention.

A: Cable
1: Body unit
11: threaded part
12: protrusion
13: uneven part
14: 1st internal cervix
15: 2nd inner cervix
16: Third internal cervical region
2: Nut unit
3: First cover unit
4: Second cover unit
5: Packing unit
51: Top slip limiter
52: Bottom slip limiter
53: Packing body part
6: Sealed unit
61: Sealed band
62: Sealed installation frame
621: Board member
6211: fastening protrusion
622: Board fastening means
6221: Fastening fixing unit

Claims (7)

delete In an easy-to-construct cable gland assembly that secures the cable connected to the distribution board and maintains watertightness,
A body unit that is formed as a whole into a cylindrical shape that penetrates up and down, with a threaded portion formed at the upper end, a protrusion that protrudes stepwise in the radial direction at the middle portion, and an uneven portion formed on the outer peripheral surface of the lower portion;
a nut unit fastened to the screw portion to secure the body unit to the distribution board;
a first cover unit provided as a disc-shaped cover coupled to a step formed on the inner peripheral surface of the upper end of the body unit, and through which a cable passes through the center;
a second cover unit provided as a disc-shaped cover coupled to a step formed on the inner peripheral surface of the lower end of the body unit, and through which a cable passes through the center portion;
It is provided in a cylindrical shape to fit into a groove formed along the circumferential direction of the inner peripheral surface of the middle portion of the body unit, and a cable passes through from downward to upward in the center, and an upper slip limiter elastically restricts the cable from slipping downward at the upper and lower portions. A packing unit provided with a lower slip limit portion and a lower slip limit portion; and
It includes a sealing unit that improves watertightness by elastically wrapping the outer peripheral surface of the lower part of the body unit and the outer peripheral surface of the cable entering the body unit,
An easy-to-construct cable gland assembly, wherein the upper slip limiter and the lower slip limiter elastically form an upward slope when the cable is inserted and limit downward departure of the cable. According to paragraph 2,
The diameter of the through hole of the first cover unit and the second cover unit is selected according to the thickness of the cable, and is formed with a larger diameter than the upper slip limiting part and the lower slip limiting part of the packing unit. Cable gland assembly. In an easy-to-construct cable gland assembly that secures the cable connected to the distribution board and maintains watertightness,
A body unit that is formed as a whole into a cylindrical shape that penetrates up and down, with a threaded portion formed at the upper end, a protrusion that protrudes stepwise in the radial direction at the middle portion, and an uneven portion formed on the outer peripheral surface of the lower portion;
a nut unit fastened to the screw portion to secure the body unit to the distribution board;
a first cover unit provided as a disc-shaped cover coupled to a step formed on the inner peripheral surface of the upper end of the body unit, and through which a cable passes through the center;
a second cover unit provided as a disc-shaped cover coupled to a step formed on the inner peripheral surface of the lower end of the body unit, and through which a cable passes through the center portion;
It is provided in a cylindrical shape to fit into a groove formed along the circumferential direction of the inner peripheral surface of the middle portion of the body unit, and a cable passes through from downward to upward in the center, and an upper slip limiter elastically restricts the cable from slipping downward at the upper and lower portions. A packing unit provided with a lower slip limit portion and a lower slip limit portion; and
It includes a sealing unit that improves watertightness by elastically wrapping the outer peripheral surface of the lower part of the body unit and the outer peripheral surface of the cable entering the body unit,
The sealing unit further includes a sealing band formed of an elastic band with an inner diameter smaller than the outer diameter of the cable, and a sealing installation frame that is a structure that elastically expands the sealing band and has an inner diameter larger than the outer diameter of the lower end of the body unit,
A cable gland assembly that is easy to construct, characterized in that when the structure of the sealing installation frame is collapsed and removed, the sealing band is contracted and installed in close contact with the outer peripheral surface of the lower part of the body unit and the outer peripheral surface of the cable entering the body unit. According to paragraph 4,
The sealed installation frame may be provided as a spiral sealed installation frame, and the spiral sealed installation frame is a cable that is easy to construct, characterized in that a string-shaped structure is piled up in a spiral like a spring to form a cylinder with the top and bottom open as a whole. Grand Assembly. According to paragraph 4,
The sealed installation frame may be provided as a plank-shaped sealed installation frame, and the plank-shaped sealed installation frame is a construction characterized in that a plurality of board members are connected continuously along the circumferential direction to form a cylinder with the top and bottom open as a whole. This easy cable gland assembly. According to clause 6,
The plank member is formed with fastening protrusions that protrude inward from both sides in a '┏' shape,
An easy-to-construct cable gland assembly, characterized in that, within the cylinder formed by arranging the plurality of plank members, plank fastening means are further provided to simultaneously fasten to the fastening protrusions of adjacent plank members.