KR20120095748A - Wire connector for electric detonator - Google Patents

Abstract

PURPOSE: A wire connector for blasting is provided to improve construction efficiency by connecting wires with a simple procedure for inserting and joining a detonator lead between upper and lower covers. CONSTITUTION: A wire connector for blasting comprises an upper cover(100), a lower cover(200), and a connection bracket. The upper cover has a fixing portion(10) in a leading end, a connection portion(50) in a tail end, and placing grooves(30,31). The placing grooves are formed at the edges of lateral sides and a front side and a detonator lead is placed on the placing grooves. The joining unit(60) is formed in a leading end of the lower cover and is joined with the fixing portion. The tail end of the lower cover is foldably connected to the connection portion. The connection bracket is installed inside the lower cover and is installed correspondingly to the direction of the placing grooves.

Description

Wiring Connector For Electric Detonator

The present invention relates to a blasting connection connector, and more particularly, to a blasting connection connector that can be safely connected so that core wires of each wire or busbar do not directly contact an operator, and can easily switch wires and short circuits of each wire. It is about.

In general, the explosive work of explosives are carried out in the dismantling of buildings or construction work. At this time, the main wire connected to the electric primer or the bus bar connected to the blasting device should peel off the coating of the wire end for the blasting work.

Stripped wires or busbars are used in connection with busbars, wires, and auxiliary busbars of other electric primers. In this case, there is a risk of safety accidents due to explosion because the connection parts such as wires are exposed to ground current or leakage current in places such as tunnels with water or damp.

Such safety accidents are becoming a greater problem especially when the worker who installs the electric primer on the explosive and the tube of the electric primer are in direct contact.

In addition, when the wires are connected, they are usually twisted several times through the hands of the worker, but in this case, the body part of the worker and the stripped parts such as the wires are in contact with the static electricity in places with high water or moisture. The risk of explosion is always present when current flows through the lamp.

In addition, since the wires are thin, it is not easy to find the connection site when the field worker accidentally misses the wire. In addition, when the rain or snow during the operation stops the work occurs, even at this time the exposed stripped line portion was exposed to the outside as it was very dangerous.

As a prior art for compensating the electrical risks in handling, by attaching a male and female connector at the end of each wire of the electric primer, it was possible to shorten the working time and prevent leakage of current to the exposed part.

However, these electrical primer connectors have lower productivity because they have to be connected to the male and female connectors, respectively, and it is impossible to reuse them if the primer is defective during the process.

In addition, since the two connectors attached to one primer are male and female, when connecting with another electric primer or blast bus, the male and female connectors must be separated and connected. There was a problem such as.

In addition, the connection site is very fragile and short-circuited during handling because it needs to be connected to a corresponding male and female connector by peeling the end of the electric primer wire.

The present invention has been made in accordance with the above needs, can be safely connected so that the core wire of each wire or busbar does not directly contact the operator, and provides a blasting connection connector that can easily switch the connection and short circuit of each wire. There is a purpose.

According to one embodiment of the present invention for achieving the above object, as a blasting connection connector for connecting a pair of wires electrically connected to the electrical primer, the fixing portion is formed at the tip and the connecting portion is formed at both ends and both sides and An upper cover formed with seating grooves on which the respective wires are seated at edges of the front surface; A lower cover formed at a distal end of the fastening part for fastening the fixing part, and having a distal end connected to the connection part; And a connection connector for blasting installed inside the lower cover and installed in a direction corresponding to the direction of the seating groove and having a connection groove smaller than the diameter of each wire and including a connection bracket made of a conductive material.

The connection bracket has a 'c' shape and consists of side surfaces bent at both sides of the reference plane and the reference plane, and the connection groove is preferably formed in the vertical direction on the reference plane and the side surface.

The connection groove is preferably made so that the inner surface has a sharp cutting surface.

The lower portion of the connection bracket is preferably formed with a fixing projection for fixing to the inner surface of the lower cover.

It is preferable that an inclined surface is formed on the upper portion of the connection groove for guiding the seat line.

The fixing part of the upper cover is composed of a gripping portion extending to the front end of the upper cover, and a hook portion protruding vertically from the inside of the gripping portion, the fastening portion of the lower cover is a through groove for accommodating the hook portion It is preferable that it is formed.

The inside of the upper cover is preferably formed with a plurality of guide grooves for guiding the arrangement of each line.

It is preferable that packing for airtightness is installed at one edge of the upper cover and the lower cover.

According to the present invention, it is possible to safely connect so that the core wire of each wire or busbar does not directly contact the worker, thereby increasing safety.

In addition, the connection can be made by a simple process of inserting and combining the wires between the upper cover and the lower cover, thereby improving construction efficiency.

In addition, the groundwater can be prevented from penetrating into the connection area, thereby protecting the connection part from the risk of corrosion or malfunction.

1 is a perspective view of a blasting connection connector according to an embodiment of the present invention;
Fig. 2 is a plan view of Fig. 1,
FIG. 3 is a side view of FIG. 1,
Figure 4 is a perspective view showing the connection bracket of the blasting connection connector according to an embodiment of the present invention,
5 is an exemplary view showing a reference plane of the connection bracket of FIG. 4, and
6 is an exemplary view illustrating a side surface of the connection bracket of FIG. 4.
7 is an exemplary view showing a hook portion of a blasting connection connector according to another embodiment of the present invention;
8 is a side view showing a hook portion of a blasting connection connector according to another embodiment of the present invention;
9 is a front view showing a connection bracket of a blasting connection connector according to another embodiment of the present invention;
10 is a side view showing a connection bracket of a blasting connection connector according to another embodiment of the present invention;
11 is a schematic diagram showing the connection state of the blasting connection connector according to the present invention, and
12 is a side view of a blasting connection connector according to another embodiment of the present invention, and
FIG. 13 is a bottom plan view of FIG. 12.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a blasting connector according to an embodiment of the present invention, Figure 2 is a plan view of Figure 1, Figure 3 is a side view of FIG.

1 to 3, the blasting connection connector of the present invention is composed of an upper cover 100 and a lower cover 200.

The upper cover 100 has a fixing portion 10 is formed at the front end and the connecting portion 50 is formed at the end. The fixing part 10 is a gripping part 11 connected to the front end of the upper cover 100 and a hook part having a hook 21 formed at one end and protruding vertically from the inside of the gripping part 11 ( 20).

In addition, seating grooves 30 and 31 are formed at edges of both sides of the upper cover 100, respectively. The seating grooves 30 and 31 are a kind of guide grooves in which the respective wires are placed.

In addition, guide grooves 30 and 31 are formed inside the upper cover 100. Each of the grooves has a function of fixing the arrangement of each line when the upper / lower covers 100 and 200 are coupled to guide the arrangement of each line. Do it.

Specifically, as shown in Figure 2, the upper cover 100 is formed with an edge groove 35 along the edge, a pair of slot blocks 33, 34 are formed in the longitudinal direction, slot blocks 33, 34 In the middle of the guide groove 40 for fixing the line may be formed.

Meanwhile, guide blocks 38 and 39 may be formed adjacent to the slot blocks 33 and 34, respectively. Guide grooves 32 may be formed in the guide blocks 38 and 39, respectively. Accordingly, each line may be arranged to cross in a straight line by the guide grooves (32, 40, 41) and the seating grooves (30, 31).

On the other hand, the lower cover 200 is a fastening portion 60 is formed at the front end, the end of the lower cover 200 is made to be connected to the connecting portion 50 of the upper cover 100. The fastening part 60 is provided with a through groove 62 for forming a fixed state by inserting the hook part 20 of the upper cover 100 inside. In addition, slit grooves 61 are formed at both sides of the through groove 62, and the slit grooves 61 are applied to maintain the longitudinal arrangement of the respective wires.

Seating grooves 24 may be formed on the side edges of the lower cover 200 in the same manner as the upper cover 100, and a plurality of guide grooves 65 may be formed for straight line arrangement.

In addition, an edge protrusion 66 inserted into the edge groove 35 of the upper cover 100 may be formed at the edge of the lower cover 200. Accordingly, when the upper cover 100 and the lower cover 200 are combined, airtightness can be maintained. In addition, it is possible to improve the airtight performance by interposing a packing member (not shown) in the edge groove (35).

On the other hand, the lower cover 200 is formed with mounting grooves (67, 69) for mounting the connection bracket (Fig. 4; 70). The mounting grooves 67 and 69 may be disposed at staggered positions so that a plurality of angle lines may be disposed respectively.

Figure 4 is a perspective view showing the connection bracket of the blasting connection connector according to an embodiment of the present invention, Figure 5 is an exemplary view showing a reference plane of the connection bracket of Figure 4, Figure 6 is a side view of the connection bracket of Figure 4 It is an exemplary figure to show.

4 to 6, the connection bracket 70 is installed in the mounting grooves (67, 69; Fig. 1) of the lower cover 200 (Fig. 1), respectively, specifically, the connection bracket 70 is a conductive material furnace It may be made, it is also preferable to reduce the connection resistance by plating tin on the outer surface.

In addition, the connection bracket 70 is composed of a reference surface 71 and side surfaces 72 and 73 bent at both sides of the reference surface 71 so as to have a 'c' shape. At this time, the connection grooves 81, 82, and 83 are respectively installed in the reference plane 71 and the side surfaces 72 and 73, and the connection grooves 81, 82, and 83 are formed to have a predetermined length in the vertical direction.

In addition, the inner side of the connection groove (81, 82, 83) is formed with a sharp cut surface 75. The cut surface 75 serves to cut the coating of the wire to be seated. At this time, the width of the connection grooves 81, 82, 83 is smaller than the diameter of the wires. When the wires are fitted into the connection grooves 81, 82, 83, the coating of the wires is cut by the cutting surface 75, and the inner metal core is cut. Conduction may be made by contacting the connection bracket 70.

On the other hand, a fixing protrusion 76 is formed in the lower portion of the connection bracket 70 can be prevented from being easily separated in the combined state of the mounting grooves 67 and 69 of the lower cover 200.

In addition, the upper portion of the connection grooves 81, 82, 83 is made to be inclined by the letter 'V' to guide the wires when the respective wires are seated to be drawn into the connection grooves 81, 82, 83.

The blasting connection connector of the present invention having such a configuration is disposed so that two pairs of square lines cross vertically. That is, a pair of each wire is disposed in the mounting grooves 30 and 31 formed on the side of the connection connector. In addition, a pair of square lines are disposed in the slit grooves 61 of the lower cover 200, respectively. At this time, the lines are fixed to the guide grooves 32, 40, and 41 formed inside the upper / lower covers 100 and 200, thereby inducing a straight line arrangement of the respective lines.

On the other hand, the wires are fitted into the connection grooves (81, 82, 83) of the connection bracket 70 installed in the lower cover 200, the upper cover 100 by folding the lower cover 200 to crimp and fix the angle Due to the introduction of the cutting surface 75 of the connection grooves 81, 82, and 83, the coating is cut to allow conduction between the metal cores of each wire and the connection bracket 70.

In this manner, the wires intersected with the connection connector are fitted to the connection bracket 70 of the connection connector, thereby enabling electrical connection. That is, the angle lines seated in the seating grooves 24, 30, and 31 of the upper and lower covers 100 and 200 and the angle lines seated in the slit grooves 61 of the lower cover 200 are electrically connected to each other through the connection bracket 70. Can be connected.

7 is an exemplary view showing a hook portion of a blasting connection connector according to another embodiment of the present invention, Figure 8 is a side view showing a hook portion of the blasting connection connector according to another embodiment of the present invention.

7 and 8, according to another embodiment of the present invention, the hook part 20 may be formed of an upper hook 20a and a lower hook 20b, each of which protrudes up and down and has a catching part 21a. By having a double hook structure as described above, even if one side hook is caught and released from another object, unintended opening can be prevented from being made by keeping the other hook fixed.

At this time, the installation direction of the upper hook (20a) and the lower hook (20b) can of course be arranged in various ways up, down, left, and right.

In addition, by adjusting the height of the upper hook 20a and the lower hook 20b to the height of the lower cover 100, it is possible to prevent the hook portion 20 from being easily unlocked by wires or other objects in the installed state. have.

9 is a front view showing the connection bracket of the blasting connection connector according to another embodiment of the present invention, Figure 10 is a side view showing the connection bracket of the blasting connection connector according to another embodiment of the present invention.

9 and 10, according to another embodiment of the present invention, the connection bracket 70 stabilizes the seating of the wire on the connection grooves 81, 82, and 83 in the configuration of the connection bracket 70 of FIG. 4. The seating guide groove 85 for guiding to the predetermined width is formed.

That is, the connection grooves 81, 82, and 83 are inclined grooves 79 are formed in the upper portion, the seating guide grooves 85 are formed by a predetermined length of the upper end. On the other hand, the remaining connection grooves 81, 82, 83 except the seating guide groove 85 is formed to have a width sufficient to cut the covering of the seated wire.

11 is a schematic diagram showing a connection state of the blasting connection connector according to the present invention.

As shown in FIG. 11, the connection connectors 70a and 70b mounted on the lower cover 200 have a 'c' shape to make double contact points when the wire L1 and the auxiliary bus bar L2 are connected. That is, each point L1 is provided with two points (P1, P2) contact points at the connection connectors 70a and 70b. On the other hand, the auxiliary bus bar (L2) is made a defect in the state that one point (Pa) contact is made in the wiring connectors (70a, 70b).

At this time, the auxiliary bus L2 is also two points by installing the connection plate Lp (electrically connected with the wiring connector) in the area of the lower cover 200 through which the auxiliary bus L2 passes (a position opposite to the front surface of the wiring connector). (Pa, Pb) contact is possible.

Accordingly, the two wires L1 and the auxiliary bus L2 can be two-point contacts through the connection connectors 70a and 70b, thereby improving the connection probability, thereby stably constructing a circuit.

12 is a side view of the blasting connector according to another embodiment of the present invention, Figure 13 is a plan view of the lower cover of FIG.

12 and 13, in the blasting connection connector in the above-described embodiment, the fastening structure of the upper cover 100 and the lower cover 200 may be made through a plurality of hooks. That is, the single hook portion 20 protrudes from the front end of the upper cover 100 so as to be inserted into the fixing groove 62a of the lower cover 200.

In addition, both hook portions 65a and 65b may protrude from both sides of the end of the lower cover 200, respectively. Both hook portions 65a and 65b may be fastened to each other by being inserted into fixing grooves 25a and 25b formed in the upper cover 100.

As such, by fastening through a plurality of hooks, it is possible to prevent the connection connector from being easily released, thereby improving fastening stability. That is, the upper and lower cover 100 and 200 of the connection connector can be opened only when the worker presses the single hook portion 20 and both hook portions 65a and 65b.

In addition, in the above-described embodiment, for example, extension guide parts 91 and 92 may be formed on both sides of the lower cover 200, respectively. The extended guide portion 92 is a member for extending the guide grooves (90a, 90b) is formed to guide the wires stably through the grooves, the role of preventing the short circuit or damage of the wires drawn out from the upper and lower cover (100,200) to the maximum Do it.

While the present invention has been particularly shown and described with reference to the particular embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

100: upper cover 200: lower cover
10: fixed portion 20: hook portion
30: seating portion 40: guide groove
50: connecting portion 60: fastening portion

Claims (10)

As a blasting connection connector for connecting a pair of wires electrically connected to an electric primer,
A top cover having a fixed portion formed at a front end and a connecting portion formed at a distal end thereof, each having a seating groove in which the respective wires are seated at edges of both sides and the front surface;
A lower cover formed at a distal end of the fastening part for fastening the fixing part, and having a distal end connected to the connection part; And
It is installed in the lower cover, and installed in a direction corresponding to the direction of the seating groove, the connection groove is formed smaller than the diameter of each wire is formed, the connection connector for blasting characterized in that it comprises a connection bracket made of a conductive material . The method of claim 1,
The connection bracket has a 'c' shape of the reference surface and the side bent at both sides of the reference surface, respectively,
And the connection groove is formed in the vertical direction on the reference surface and the side surface. The method of claim 2,
The connection groove of the blasting connector, characterized in that the inner surface has a sharp cutting surface. The method according to claim 1 or 2,
The lower portion of the connection bracket is a connection connector for blasting, characterized in that the fixing projection for fixing to the inner surface of the lower cover. The method according to claim 1 or 2,
Blasting connection connector, characterized in that the upper surface of the connection groove is formed with an inclined surface for guiding the seating of each wire. The method of claim 1,
The holding portion of the upper cover and the holding portion extending to the front end of the upper cover,
Consists of a hook portion protruding vertically from the inside of the gripping portion,
The connection part for the blasting connector, characterized in that the fastening portion of the lower cover is formed with a through groove for accommodating the hook portion. The method of claim 1,
A blasting connection connector, characterized in that a plurality of guide grooves for guiding the arrangement of each line is formed inside the upper cover. The method according to any one of claims 1, 6 and 7,
Blasting connection connector, characterized in that the packing for airtightness is installed on the edge of any one of the upper cover and the lower cover. The method of claim 1,
Hook portion protrudes from the tip of the upper cover,
The lower cover is formed with a fixing groove for fixing the hook portion,
A pair of both hook portions are formed at the ends of the lower cover,
The upper cover is a connection connector for blasting, characterized in that a pair of fixing grooves are fixed to each of the hook portion. 10. The method of claim 1 or 9,
And at least one of the upper cover and the lower cover, each of the extension guide parts for guiding the respective wires when connected to each other, is connected to the blasting connector.

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