KR101098421B1 - Sleeve terminal block - Google Patents

Abstract

PURPOSE: A sleeve terminal block is provided to control the size of an inner hole for inserting a lead-in line by removing a space adjustment member. CONSTITUTION: An upper case(110) includes a downward small groove for inserting a lead-in wire and a downward large groove(113) for inserting a distribution line. A lower case(120) includes an upward small groove(122) corresponding to the downward small groove and an upward large groove(123) corresponding to the downward large groove. A first space adjustment member(124) is protruded to the inner surface of the downward small groove or the inner surface of the upward small groove. The space size of the hole is controlled according to the diameter of the inserted lead-in wire by removing the first gap adjustment member.

Description

Sleeve terminal block {SLEEVE TERMINAL BLOCK}

The present invention relates to a sleeve terminal block, and more particularly, to a sleeve terminal block that can be used interchangeably even if the diameter of the lead wire is changed, and can quickly and easily perform the assembly of the upper case and the lower case.

In general, a meter, a terminal block, and a breaker are installed in a power meter box electrically connected to a lead line supplied with commercial power and a distribution line drawn from a home.

Lead wires and power distribution lines may be installed in separate terminal blocks and may be electrically connected, or may be electrically connected using sleeves. In the case of fixing the core wires of the lead wires and distribution lines using the sleeves, the current is externally transmitted through the sleeves. The sleeve terminal block is configured separately because can be shorted.

As an example of such a sleeve terminal block, a terminal block configured as shown in FIG. 1 is disclosed as Korean Utility Model Registration No. 0341318.

The above-described terminal block is a well-known terminal block (T) in which a wire storage compartment is divided by a partition in a body composed of upper and lower cases (1) and (2), respectively, and a sliding protrusion (11) protrudes outward. The lower coupling sphere 12 is formed on one side end surface of the lower case 1, and the upper coupling sphere 14 having the guide groove 13 extending vertically is formed on one side end surface of the terminal block 2 from above. It is configured by coupling the sliding protrusion 11 to the guide groove (13).

The terminal block (T) has a rigidity projecting outward when an external force is applied so that the upper coupler 12 and the lower coupler 14 are connected to each other in order to assemble the upper case 1 and the lower case 2. Vulnerable upper coupler 12 or lower coupler 14 has the disadvantage that is easily broken.

And, when assembling the upper case (1) and the lower case (2) must be matched with the four fastening holes 23 in communication with each other, such a matching operation is difficult and takes a lot of assembly time to fasten the four screws, There is a disadvantage in that the assembly is difficult, such as the alignment of the fastening hole is disturbed again during the fastening of the screw.

The sleeve terminal block disclosed in Korean Utility Model Publication No. 20-2009-0008231 has been proposed as a way to make up for the shortcomings of the Utility Model No. 0341318.

The sleeve terminal block allows the upper case 20 to be temporarily fixed by the hook hook 30 and the hook groove 15 when the upper case 20 and the lower case 3 are assembled as shown in FIG. 2. It can be easily assembled to the case (3), the screw hole 13 of the lower case 3 and the through hole 27 of the upper case 20 in this temporarily fixed state, so as to communicate with each other accurately This has the advantage of being improved.

However, the sleeve terminal block shown in the above-mentioned Utility Model No. 20-2009-0008231 still has a limitation that the assembly of the upper case 20 and the lower case 3 by fastening a plurality of screws one by one, which takes a long time for assembly. This has a disadvantage in that the hook hook 30, which is prone to stiffness and protrudes outside in the process of press-fitting the upper case 20 into the lower case 3 during assembly, is easily damaged.

In particular, the above-mentioned conventional sleeve terminal block is provided with a small diameter wire groove 7 'into which a lead wire for supplying external power is inserted and a large diameter wire groove 7 into which a distribution wire is inserted, but with a small diameter wire into which the lead wire is inserted. Since the groove 7 'is fixed to the outside diameter of a specific lead wire and cannot be used when the diameter of the cable is changed according to the power supply capacity, there is a serious problem that the hole must be enlarged or discarded by using a tool such as a drill. have.

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above, and an object thereof is to provide a sleeve terminal block which can be used interchangeably even if the diameter of the lead wire is changed.

It is another object of the present invention to provide a sleeve terminal block which enables the assembly of the upper case and the lower case to be carried out quickly and simply.

In order to achieve the above object, the sleeve terminal block according to the present invention in the sleeve terminal block, the lower small diameter groove for the insertion of the lead wire on one side toward the bottom side of the upper body and the lower large diameter groove for the insertion of the distribution line on the other side is indented in communication Upper case; And a lower case having an upward small diameter groove corresponding to the downward small diameter groove on one side of the lower body formed to be coupled to the bottom of the upper body, and an upper large diameter groove corresponding to the downward large diameter groove on the other side; And a first gap adjusting member protruding on at least one of an inner surface of the groove and an inner surface of the upward small diameter groove, and having a removable structure to adjust the size of the space inside the hole according to the diameter of the lead wire to be inserted. It features.

In addition, the lower side of the lower case for the insertion of the lead wire in the lower side of the lower case and the other side of the downward large diameter groove for the insertion of the distribution line may be concave, formed.

The downward and upward small diameter grooves are formed in a hemispherical shape to form a circular shape in the connected state, and the first spacing adjusting member may be configured as a thin diaphragm formed to face each other to have a spaced space on the inner circumferential surface of the downward and upward small diameter grooves. Can be.

In addition, a protruding portion of at least one of the inner surface of the downward large diameter groove and the inner surface of the upward large diameter groove, and formed of a removable structure to adjust the size of the space inside the hole according to the diameter or the number of strands of the distribution line is inserted 2 may be provided with a gap adjusting member.

On the other hand, the upper case is provided with at least one upper connection protrusion protruding downward in the upper body and the first pin insertion hole and at least one upper connection groove recessed upwardly in contact with the upper connection protrusion, The lower case has a lower connection groove which is recessed to insert the upper connection protrusion into the lower body, and a lower connection including a second pin insertion hole protruding to be inserted into the upper connection groove and communicating with the first pin insertion hole. And a fixing pin inserted into the first and second pin insertion holes while the upper and lower cases are connected.

And, interposed between the upper and lower cases, an upper small diameter groove and an upper large diameter groove corresponding to the downward small diameter groove and the downward large diameter groove of the upper case is formed on the upper side, the upper small diameter of the lower case on the lower side It may further include at least one central case formed with a groove, a downward small diameter groove and a downward large diameter groove corresponding to the upward large diameter groove.

In addition, the central case has a lower connection groove and a lower connection protrusion corresponding to the upper connection protrusion and the upper connection groove of the upper case on the upper side, the lower connection protrusion and the lower connection groove of the lower case on the lower side. An upper connection groove portion and an upper connection protrusion corresponding to may be formed.

Since the sleeve terminal block of the present invention can easily adjust the size of the inner hole into which the lead wire is inserted by simply removing the gap adjusting member, even if the diameter of the lead wire is changed, a dangerous and difficult task of increasing the size of the hole using a power tool such as a drill is performed. In addition, there is an effect that can be used conveniently and interchangeably without having to prepare a plurality of sleeve terminal blocks having different diameters of the inlet hole.

And, the sleeve terminal block of the present invention can be assembled without additional adjustment work simply by inserting the upper case into the lower case, the assembly position is set and maintained accurately by the upper and lower connection protrusions and the upper and lower connection grooves. Since the assembly is completed by inserting a simple fixing pin without fastening a plurality of screws one by one as in the related art, the assembly work can be performed quickly, easily and easily.

1 is a perspective view showing an example of a conventional sleeve terminal block,
2 is a perspective view showing an example of a conventional sleeve terminal block;
3 is an exploded perspective view illustrating a sleeve terminal block according to an embodiment of the present invention;
4 is a perspective view showing an assembled state of a sleeve terminal block according to an embodiment of the present invention;
5A is a front view showing a sleeve terminal block according to an embodiment of the present invention;
Figure 5b is a rear view showing a sleeve terminal block according to an embodiment of the present invention,
6 is an exploded perspective view illustrating a sleeve terminal block according to another embodiment of the present invention;
7 is a perspective view showing an assembled state of a sleeve terminal block according to another embodiment of the present invention;
8A is a front view showing a sleeve terminal block according to an embodiment of the present invention;
8B is a rear view illustrating a sleeve terminal block according to an embodiment of the present invention.

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

Figure 3 is an exploded perspective view showing a sleeve terminal block according to an embodiment of the present invention, Figure 4 is a perspective view showing an assembled state of the sleeve terminal block according to an embodiment of the present invention, Figure 5a according to an embodiment of the present invention 5B is a rear view showing the sleeve terminal block according to the embodiment of the present invention.

3 to 5B, the sleeve terminal block 100 according to the exemplary embodiment of the present invention has a downward small diameter groove 112 for inserting a lead wire (not shown) on one side of the upper body 111 opened to the bottom surface side. ) And the lower case diameter groove on the one side of the upper case 110 and the lower body 121 formed to be coupled to the bottom of the upper body 111 and the lower case large diameter groove 113 is inserted into communication with the other side. 112 is formed of a small upper groove 122 corresponding to the lower case 120 formed on the other side and a large large diameter groove 123 corresponding to the downward large diameter groove 113.

Particularly, the sleeve terminal block 100 according to the present invention has holes in the downward small diameter grooves 112 and the upward small diameter grooves 122 formed in the upper case 110 and the lower case 120 according to the diameter of the lead wire (not shown). The first spacing adjusting members 114 and 124 are configured to adjust the size of the internal space, so that the wires of various diameters can be inserted.

The first spacing adjusting members 114 and 124 protrude integrally on the inner circumferential surfaces of the downward small diameter grooves 112 and the upward small diameter grooves 122, and when the diameter of the lead wire is increased, the first gap adjusting members 114 and 124 are easily removed. As long as the structure can increase the size of the inner space can be formed in various forms without limitation.

For example, in the present embodiment, the first gap adjusting members 114 and 124 are formed as thin diaphragms formed to face each other so as to have a spaced space on the inner circumferential surfaces of the downward and upward small diameter grooves 112 and 122. At this time, the thin horizontal bar is formed so as to cross the inner circumferential surface of the downward and upward small diameter grooves 112 and 122 so that an arc-shaped hole is formed at the bottom, it can be easily removed.

On the other hand, the sleeve terminal block 100 according to the present invention is characterized in that the upper case 110 and the lower case 120 at the time of assembly in accordance with the configuration or to simply or simply assembled without fastening a plurality of screws It has, and it demonstrates concretely.

The upper case 110 is recessed to the bottom surface of the upper body 111 having a rectangular plate shape, and the pair of downward small diameter grooves 112 and the downward large diameter grooves 113 are recessed to form the same axis, and the downward small diameter grooves are formed. An upper connection protrusion 116 and an upper connection groove 117 are formed at an edge portion of the upper body 111 in contact with the 112 and the downward large diameter groove 113 for assembly with the lower case 120.

In addition, the downward small-diameter groove 112 and the downward large-diameter groove 113 are formed in a hemispherical shape so as to form a circle in a state connected with the upward small-diameter groove 122 and the upward large-diameter groove 123, the downward small-diameter groove 112 And a wire receiving groove (not shown, formed in a shape corresponding to the wire receiving groove 125 of the lower case, which will be described later) in which a sleeve (not shown) is positioned between the and downward large diameter grooves 113. It is.

If the upper connecting protrusion 116 and the upper connecting groove 117 is formed in a corresponding shape to be engaged with each other in the lower connecting groove 126 and the lower connecting protrusion 127 of the lower case 120 to be described later the number or shape Although there is no limitation, in this embodiment, the upper connecting groove 117 is formed in a substantially rectangular groove shape at the center of both side edges of the upper body 111, and the upper connecting groove 117 is formed in an approximately rectangular protrusion in the front and rear direction. The upper connection protrusion 116 of the structure is formed.

The lower case 120 is recessed on the upper surface of the lower body 121 having a rectangular plate shape, and the pair of upward small diameter grooves 122 and the upward large diameter grooves 123 are recessed to form the same axis. The lower connection groove 126 and the lower connection protrusion 127 for assembly with the upper case 110 are formed at the edge portion of the lower body 121 in contact with the 122 and the upward large diameter groove 123. In the space between the groove 122 and the upward large diameter groove 123, a wire receiving groove 125 of a rectangular groove shape in which a sleeve (not shown) is located is recessed and formed.

In addition, a first pin insertion hole 116a is drilled in the front-rear direction in the upper connecting protrusion 116 of the upper case 110, and a second pin insertion hole in the front-rear direction in the lower connecting protrusion 127 of the lower case 120. 127a is perforated, and a plurality of fixing pins 140 are inserted into the first and second pin insertion holes 116a and 127a to fix the upper and lower cases 110 and 120 through a simple insertion operation. It is.

In addition, the lower case 120, as shown in Figures 5a and 5b to the other side and the downward small diameter groove 128 having a first spacing adjusting member 124 'for insertion of the lead wire on one side of the bottom surface side; A downward large diameter groove 129 for insertion of the distribution line is recessed and formed in communication with each other, and a fastening hole (not shown) for fastening the fastening member for fixing the power meter box is formed.

Meanwhile, although not illustrated in the drawings, the sleeve terminal block 100 according to the present invention may adjust the size of the accommodation space according to the diameter or quantity of the distribution line (not shown) in the downward large diameter groove 113 and the upward large diameter groove 123. A second gap adjusting member (not shown) may be provided.

Like the above-described first spacing adjusting members 114 and 124, the second spacing adjusting member protrudes on the inner surfaces of the downward large diameter grooves 113 and the upward large diameter grooves 123, and is formed according to the diameter or the number of strands of the distribution line to be inserted. It may be formed of a removable structure to adjust the size of the interior space.

Hereinafter, the operation of the sleeve terminal block according to an embodiment of the present invention will be briefly described.

In the state in which the lower case 120 is fixed to the power meter box (not shown), a core line of the lead wire and the power distribution line is fixed using a sleeve (not shown), and the lead wire is positioned in the upward small diameter groove 122 of the lower case 120. And the distribution line is located in the upward large diameter groove 123 of the lower case 120.

When the upper case 110 is coupled to the lower case 120 such that the downward small diameter groove 112 is positioned toward the upward small diameter groove 122 and the downward large diameter groove 113 is positioned to correspond to the upward large diameter groove 123. The upper connection protrusion 116 of the upper case 110 is inserted into the lower connection groove 126 of the lower case 120, and the lower connection protrusion 127 of the lower case 120 is the upper connection groove of the upper case 110. Since it is inserted into the (117), even if you do not adjust or adjust the coupling position of the upper and lower cases (110, 120) separately, preliminary assembly is completed.

Subsequently, when the fixing pin 140 is inserted through the first pin insertion hole 116a of the one upper connection protrusion 116, the other upper connection is connected via the second pin insertion hole 127a of the lower connection protrusion 127. The assembly of the upper and lower cases 110 and 120 is completed while being inserted into the first insertion hole 116a of the protrusion 116.

As described above, the sleeve terminal block 100 according to the present invention simply inserts the upper case 110 into the lower case 120, and the pre-assembly of the upper and upper cases 110 and 120 is completed without any adjustment. As it is made through a simple insertion operation of the fixing pin 140 without fastening a plurality of screws one by one, assembling work can be performed quickly and easily, and a separate assembly tool such as a driver also has an unnecessary advantage.

On the other hand, the sleeve terminal block 100 according to an embodiment of the present invention is convenient and compatible even when the diameter of the lead wire is increased due to design changes, site conditions, etc. in the process of installing the electrical cable in the field Can be used. That is, when the diameter of the lead wire is increased, the first spacing adjusting members 114 and 124 of the thin diaphragm structure formed in the downward small diameter groove 112 and the upward small diameter groove 122 may be cut by a tool (such as a cutter) or the like. In order to increase the size of the space between the upward and downward small-diameter grooves 112 and 122 by simply removing it with a tong tool (a tool such as a long-rose pliers), if the diameter of the lead wire is increased, the power tool such as a drill is used. By using this method, there is an advantage that it is convenient to perform a dangerous and difficult operation of increasing the size of the hole or to prepare a plurality of sleeve terminal blocks having different diameters of the inlet holes.

Figure 6 is an exploded perspective view showing a sleeve terminal block according to another embodiment of the present invention, Figure 7 is a perspective view showing an assembled state of the sleeve terminal block according to another embodiment of the present invention, Figure 8a according to an embodiment of the present invention 8B is a rear view illustrating a sleeve terminal block according to an exemplary embodiment of the present invention. FIG. 8B is the same as the above-described exemplary embodiment, and similar components will be omitted with the same reference numerals and will be described with the same reference numerals. .

6 to 8B, the sleeve terminal block 100 according to another embodiment of the present invention includes a downward small diameter groove 112 having a first spacing adjusting member 114 on one side and a downward large diameter groove on the other side ( 113 is in communication with the upper case 110 and the small downward groove 112 on one side and the upward small diameter groove 122 having a first spacing adjusting member 124 and the downward large diameter groove 113 on the other side ) And a lower case 120 having a corresponding upward large diameter groove 123, and a central case 130 interposed between the upper and lower cases 110 and 120.

The central case 130 may be formed in a laminated structure depending on the number of connections and the connection type of the lead wire and the distribution line, but in FIG. 6, the upper case 110 is suitable for a power meter having four lead wires and a distribution line connected thereto. It consists of a structure in which only one central case 130 is interposed between the lower case 120.

In addition, the center case 130 is an upward small diameter groove 132 and an upward large diameter groove 133 corresponding to the downward small diameter groove 112 and the downward large diameter groove 113 of the upper case 110 on the upper side of the central body 131. ) Is formed, and the downward small diameter groove 138 and the downward large diameter groove 139 corresponding to the upward small diameter groove 122 and the upward large diameter groove 123 of the lower case 120 are formed. In addition, a first spacing adjusting member 134 is formed in the upward small diameter groove 132 and the downward small diameter groove 138 to adjust the size of the inner hole according to the diameter of the lead wire.

In addition, the center case 130 is in the process of assembling the upper case 110 and the lower case 120, or the center case 130 up and down according to the assembly position to match each other or without fastening a plurality of screws. It is designed to be simple and simple to assemble. That is, the center case 130 has a lower connection groove 136 and a lower connection protrusion 137 corresponding to the upper connection protrusion 116 and the upper connection groove 117 of the upper case 110 is formed on the upper side, the lower side The upper connecting groove 137 ′ and the upper connecting protrusion 136 ′ corresponding to the lower connecting protrusion 127 and the lower connecting groove 126 of the lower case 120 are formed.

On the other hand, the operation and use method of the sleeve terminal block 100 according to another embodiment of the present invention is only different in that the center case 130 is further provided can be configured by arranging a larger number of lead wires and distribution lines Since the operation and use method of the above-described embodiment are similar, a detailed description thereof will be omitted.

What has been described above is only one embodiment for implementing the sleeve terminal block according to the present invention, the present invention is not limited to the above-described embodiment, and do not depart from the gist of the present invention as claimed in the following claims. Any person with ordinary skill in the art to which the present invention pertains will be within the scope of the technical idea of the present invention to the extent that various modifications can be made.

100: sleeve terminal block 110: upper case
111: Upper body 112, 138: Small downward groove
113,139: Large downward groove 114, 124, 124 ', 134: First gap adjusting member
116,136 ': Upper connection protrusion 117,137': Upper connection groove
120: lower case 121: lower body
122,132: Upward small diameter groove 123,133: Upward large diameter groove
126,136: bottom connection groove 127, 137: bottom connection protrusion
130: center case 131: central body
140: fixing pin

Claims (7)

In the sleeve terminal block,
An upper case recessed to communicate with a downward small diameter groove for insertion of a lead wire at one side and a downward large diameter groove for insertion of a distribution line at the other side toward the bottom of the upper body; And
On one side of the lower body formed to be coupled to the bottom of the upper body is provided with an upper small diameter groove corresponding to the downward small diameter groove, and a lower case formed with an upward large diameter groove corresponding to the downward large diameter groove on the other side,
A first gap adjusting member protruding on at least one of an inner surface of the downward small diameter groove and an inner surface of the upward small diameter groove, the first gap adjusting member being formed to be removable to adjust the size of the space inside the hole according to the diameter of the lead wire to be inserted; Sleeve terminal block, characterized in that provided.
The method of claim 1,
Sleeve terminal block characterized in that the recess is formed in communication with the downward small diameter groove for the insertion of the lead wire to the lower side of the lower case and the downward large diameter groove for insertion of the distribution line to the other side.
The method of claim 1,
The downward and upward small diameter grooves are formed in a hemispherical shape to form a circle in the connected state, the first spacing adjusting member is formed of a thin diaphragm formed to face each other to have a spaced space on the inner peripheral surface of the downward and upward small diameter grooves. A sleeve terminal block characterized by the above-mentioned.
The method of claim 1,
A second gap protruding on at least one of an inner surface of the downward large diameter groove and an inner surface of the upward large diameter groove, the second gap being formed to be removable to adjust the size of the space inside the hole according to the diameter or the number of strands of the distribution line to be inserted; A sleeve terminal block comprising an adjustment member.
5. The method according to any one of claims 1 to 4,
The upper case includes at least one upper connection protrusion protruding downwardly from the upper body and having a first pin insertion hole, and at least one upper connection groove recessed upwardly in contact with the upper connection protrusion,
The lower case has a lower connection groove which is recessed to insert the upper connection protrusion into the lower body, and a lower connection including a second pin insertion hole protruding to be inserted into the upper connection groove and communicating with the first pin insertion hole. With protrusions,
And a fixing pin inserted into the first and second pin insertion holes while the upper and lower cases are connected to each other.
The method of claim 5,
It is interposed between the upper and lower cases, an upper small diameter groove and an upper large diameter groove corresponding to the downward small diameter groove and the downward large diameter groove of the upper case is formed on the upper side, the upper small diameter groove of the lower case and The sleeve terminal block further comprises at least one central case formed with a downward small diameter groove and a downward large diameter groove corresponding to the upward large diameter groove.
The method of claim 6,
The center case has an upper connection protrusion and a lower connection protrusion corresponding to the upper connection protrusion and the upper connection groove of the upper case at an upper side, and correspond to the lower connection protrusion and the lower connection groove of the lower case at a lower side. Sleeve terminal block characterized in that the upper connecting groove and the upper connecting projection is formed.

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