Electronic detonator jointing clamp

Abstract

The electronic detonator jointing clamp comprises a bottom shell, a cover body, a wiring terminal and a wrapping post, the interior of the bottom shell is hollow, an opening is formed in the upper portion of the bottom shell, and the cover body covers the upper portion of the bottom shell; an inner cavity of the bottom shell is divided into a wiring cavity and a fixing cavity through a partition plate, and the two wiring terminals are installed at the bottom of the wiring cavity. Bus ports are formed in the two sides of the side face of the wiring cavity, two buses penetrate through the wiring cavity from the bus ports, and the buses are clamped on the wiring terminals respectively; the number of the wrapping posts is three, the three wrapping posts are vertically installed in the fixing cavity at intervals, a detonator leg wire opening is formed in one side of the fixing cavity, and a detonator leg wire extends into the fixing cavity from the detonator leg wire opening. According to the utility model, the wrapping post is arranged in the fixing cavity, so that the detonator leg wire is bent in the fixing cavity, and when the detonator leg wire is pulled by external force, the detonator leg wire can be fixed in the fixing cavity through friction force, so that the detonator leg wire is not easy to be pulled down from the jointing clamp, and the connection reliability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic detonator initiation technology field especially relates to a kind of electronic detonator wiring clamp. BACKGROUND

[0002] Electronic detonator is the new product of current in detonator technology, its inside is provided with control chip, so that the reliability of electronic detonator and other indexes have greater promotion, electronic detonator when using, need to connect with detonator foot wire and detonating bus, in order to facilitate the electrical connection of detonating bus and detonator foot wire, people designs some wiring clamp, for example, the Chinese patent No.202022503690.6 discloses a kind of electronic detonator foot wire and bus quick connection clamp structure, including base, upper cover and terminal;The upper cover is hinged with base, and can be covered on base, the number of terminal is two, two terminals are misaligned and are clamped on base by the clamping groove on base, the outer side of clamping groove is equipped with two two corresponding clamping device two and clamping device three;Wiring clamp end opening position is also equipped with clamping device one for clamping detonator foot wire, the end of detonator foot wire is divided into two foot wire branches of different lengths, and two foot wire branches are separated by the branch protrusion on base.Detonator foot wire is mainly connected with wiring clamp through clamping device, the force of clamping is not high, after external force pulling, detonator foot wire is prone to loosen from wiring clamp, leading to poor contact and other problems, so a kind of electronic detonator wiring clamp is needed, by making detonator foot wire bend in wiring clamp, so that detonator foot wire is not easy to be pulled off from wiring clamp, improve the reliability of connection. SUMMARY

[0003] To solve the above problems, the utility model provides a kind of electronic detonator wiring clamp, by making detonator foot wire bend in wiring clamp, so that detonator foot wire is not easy to be pulled off from wiring clamp, improve the reliability of connection.

[0004] The utility model is realized through the following technical schemes:

[0005] The utility model provides a kind of electronic detonator wiring clamp, including: bottom shell, lid, terminal, winding column, the bottom shell is hollow in interior and bottom shell upper part is equipped with opening, the lid is covered on bottom shell upper part;The bottom shell inner chamber is separated into wiring cavity and fixed cavity by partition, two terminals are installed in wiring cavity bottom;The side of wiring cavity is equipped with busbar port, two buses pass through wiring cavity from busbar port, and bus is respectively clamped on terminal;Three winding columns are included, three winding columns are vertically spaced and are installed in fixed cavity, and fixed cavity one side is equipped with detonator foot wire port, and detonator foot wire is stretched into fixed cavity from detonator foot wire port, and detonator foot wire is extended to wiring cavity after winding around winding column, and two sub-wires of detonator foot wire are respectively connected with bus through terminal.

[0006] Further, the wiring cavity bottom is provided with a plurality of L-shaped fixing blocks, and two wiring terminals are installed on the wiring cavity bottom through the L-shaped fixing blocks.

[0007] Further, a plurality of clamping interfaces are arranged on the wiring terminal, and the inner wall of the clamping interface is provided with a blade.

[0008] Further, the wiring terminal is installed along the diagonal line of the wiring cavity.

[0009] Further, the interval between the winding columns is the same as the outer diameter of the detonator lead wire.

[0010] Further, a groove is arranged on the bottom shell, the lower part of the cover is provided with a protrusion corresponding to the groove, the protrusion is connected with the groove when the cover covers the upper part of the bottom shell, and the cover is connected with the bottom shell through a clamping hook.

[0011] Further, the lower part of the cover is provided with a fixing ring corresponding to the shape and position of the winding column, and the upper part of the winding column is connected with the cover through the fixing ring.

[0012] The utility model discloses the beneficial effects: through setting up winding column in fixed cavity, makes detonator lead wire produce bending in fixed cavity, can make detonator lead wire fixed in fixed cavity through friction when detonator lead wire is pulled by external force, makes detonator lead wire not easy to be pulled down from the wiring clamp, improves the reliability of connection. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model;

[0014] Figure 2 It is the structural schematic diagram of the bottom shell inside of the utility model;

[0015] Figure 3 It is the structural schematic diagram of the lower part of the cover of the utility model;

[0016] In the drawing: 1-bottom shell, 2-cover, 3-wiring terminal, 4-winding column, 6-L-shaped fixing block, 7-busbar port, 8-detonator lead wire port, 9-busbar, 11-baffle, 12-wiring cavity, 13-fixed cavity, 14-detonator lead wire, 15-clamping interface, 16-groove, 17-protrusion, 18-clamping hook, 19-fixing ring. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, wherein the same or similar labels represent the same or similar elements or elements with the same or similar functions throughout. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0018] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present utility model are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications will also change accordingly.

[0019] In addition, the description of "first", "second" and the like in the present utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present utility model.

[0020] As shown in Figure 1 , Figure 2 、 Figure 3 An embodiment of the present utility model provides an electronic detonator wiring clamp, which comprises a bottom shell 1, a cover 2, a wiring terminal 3, a winding column 4, the bottom shell 1 is hollow inside and the upper part of the bottom shell 1 is provided with an opening, and the cover 2 covers the upper part of the bottom shell 1; the inner cavity of the bottom shell 1 is divided into a wiring cavity 12 and a fixing cavity 13 by a partition plate 11, two wiring terminals 3 are installed at the bottom of the wiring cavity 12; the side of the wiring cavity 12 is provided with a busbar port 7, two busbars 9 pass through the wiring cavity 12 from the busbar port 7, and the busbars 9 are clamped on the wiring terminals 3 respectively; the winding column 4 has three, three winding columns 4 are installed in the fixing cavity 13 vertically and at intervals, one side of the fixing cavity 13 is provided with a detonator wire port 8, a detonator wire 14 extends into the fixing cavity 13 from the detonator wire port 8, and the detonator wire 14 extends into the wiring cavity 12 after winding around the winding column 4, and two sub-wires of the detonator wire 14 are connected with the busbars 9 through the wiring terminals 3 respectively.

[0021] As shown in Figure 1 、 Figure 2As shown, when wiring, first open the cover 2, then make the busbar 9 through the busbar port 7, and then press the busbar 9 on the clamping port 15 of the wiring terminal 3 in turn. Since the inner wall of the clamping port 15 is provided with a blade, the rubber of the outer layer of the busbar 9 can be cut, so that the wiring terminal 3 is in contact with the copper wire inside the busbar 9, realizing electrical connection. After the installation of the busbar 9 is completed, the sub-wires of the detonator lead wire 14 are separated and pressed on the clamping port 15 of the wiring terminal 3 respectively, so that the wiring terminal 3 is connected with the copper wire inside the sub-wire of the detonator lead wire 14, thereby making the two sub-wires of the detonator lead wire 14 connected with the two busbars 9 respectively. Then the detonator lead wire 14 is wound in S shape on the winding column 4, and the detonator lead wire 14 is passed through the detonator lead wire port 8 to exit the fixing cavity 13. After the instrument detects that the busbar 9 and the detonator lead wire 14 are normally connected, the cover 2 is closed, and the clamping hook 18 on the cover 2 is hooked on the inner wall of the bottom shell 1, completing the installation.

[0022] When the detonator lead wire 14 is pulled by external force, the detonator lead wire 14 is limited by the winding column 4, so that the detonator lead wire 14 is fixed in the fixing cavity 13 by friction, so that the detonator lead wire is not easy to be pulled off from the wiring clamp, improving the reliability of the connection.

[0023] In a specific embodiment, as shown in Figure 2 The bottom of the wiring cavity 12 is provided with a plurality of L-shaped fixing blocks 6, and the two wiring terminals 3 are installed at the bottom of the wiring cavity 12 through the L-shaped fixing blocks 6, so that the wiring terminals 3 are fixedly connected with the bottom shell 1, thereby preventing the wiring terminals 3 from moving in the wiring cavity 12 and preventing the busbar 9 from short circuiting.

[0024] Specifically, the wiring terminal 3 is provided with a plurality of clamping ports 15, and the inner wall of the clamping port 15 is provided with a blade. The clamping port 15 can cut the insulating rubber on the busbar 9 or the detonator lead wire 14, so that the wiring terminal 3 is quickly connected with the copper wire on the busbar 9 or the detonator lead wire 14, realizing quick connection.

[0025] In a preferred embodiment, the wiring terminal 3 is installed along the diagonal line of the wiring cavity 12, so that the wiring terminals 3 are staggered on the reverse of the busbar 9, facilitating the connection of the busbar 9 with the sub-wires on the detonator lead wire 14.

[0026] In a specific embodiment, the interval between the winding columns 4 is the same as the outer diameter of the detonator lead wire 14. After the detonator lead wire 14 is wound in S shape between the winding columns 4, the winding columns 4 can clamp the outer side of the detonator lead wire 14, so that the detonator lead wire 14 can be fixed when it is pulled by external force, preventing the detonator lead wire 14 from loosening from the wiring terminal 3, and improving the reliability of the connection.

[0027] Preferably, as shown in Figure 2 , Figure 3As shown in the figure, the upper edge of the bottom shell 1 is provided with a groove 16, the lower part of the cover body 2 is provided with a protrusion 17 corresponding to the groove 16, when the cover body 2 covers the upper part of the bottom shell 1, the protrusion 17 is connected with the groove 16, and the cover body 2 is connected with the bottom shell 1 through a clamping hook 18, so that the groove 16 and the protrusion 17 have a limiting effect, so that the cover body 2 and the bottom shell 1 are closely attached, and the clamping hook 18 can improve the connecting strength of the bottom shell 1 and the cover body 2, and prevent the cover body 2 from being loosened from the bottom shell 1.

[0028] In one specific embodiment, as Figure 3 As shown in the figure, the lower part of the cover body 2 is provided with a fixing ring 19 corresponding to the shape and position of the winding column 4, and the upper part of the winding column 4 is connected with the cover body 2 through the fixing ring 19, so that the fixing ring 19 can fix the upper part of the winding column 4 and improve the stability of the winding column 4.

[0029] Of course, the utility model can also have other various embodiments, and other embodiments obtained by those skilled in the art based on the embodiment without any creative labor belong to the range protected by the utility model.

Claims

1. An electronic detonator terminal clip, characterized in that, Include: The bottom shell (1), cover (2), terminal (3), winding column (4), the bottom shell (1) inside hollow and bottom shell (1) upper part is equipped with opening, the cover (2) covers the bottom shell (1) upper part;The bottom shell (1) inner chamber is divided into terminal cavity (12) and fixed cavity (13) by partition (11), two terminal (3) are installed in terminal cavity (12) bottom;The side of terminal cavity (12) both sides is equipped with busbar mouth (7), two busbars (9) pass through terminal cavity (12) from busbar mouth (7), and busbar (9) is respectively clamped in terminal (3);Three winding columns (4) are shared, three winding columns (4) are vertically spaced and installed in fixed cavity (13), and fixed cavity (13) one side is equipped with detonator foot line mouth (8), detonator foot line (14) extends into fixed cavity (13) from detonator foot line mouth (8), and detonator foot line (14) extends to terminal cavity (12) after winding around winding column (4), and two sublines of detonator foot line (14) are connected with busbar (9) through terminal (3).

2. An electronic detonator connecting clip according to claim 1, characterized in that The bottom of the terminal cavity (12) is provided with a plurality of L-shaped fixing blocks (6), and the two terminal (3) is installed on the bottom of the terminal cavity (12) through the L-shaped fixing block (6).

3. The electronic detonator connecting clip according to claim 1, wherein, A plurality of clamping interfaces (15) are provided on the terminal (3), and a blade is provided on the inner wall of the clamping interface (15).

4. The electronic detonator connecting clip according to claim 1, wherein, The terminal (3) is installed along the diagonal line of the terminal cavity (12).

5. The electronic detonator connecting clip according to claim 1, wherein, The interval between the winding columns (4) is the same as the outer diameter of the detonator foot line (14).

6. The electronic detonator connecting clip according to claim 1, wherein, The upper surface of the bottom shell (1) is provided with a groove (16), and the lower part of the cover (2) is provided with a protrusion (17) corresponding to the groove (16), when the cover (2) covers the upper part of the bottom shell (1), the protrusion (17) is connected with the groove (16), and the cover (2) is connected with the bottom shell (1) through the clamping hook (18).

7. An electronic detonator connecting clip according to claim 6, characterised in that The lower part of the cover (2) is provided with a fixing ring (19) corresponding to the shape and position of the winding column (4), and the upper part of the winding column (4) is connected with the cover (2) through the fixing ring (19).

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