Electronic detonator blasting wire clamp

Abstract

The utility model provides a kind of electronic detonator blasting wire clamp, and the foot wire of electronic detonator is connected with blasting busbar by metal terminal, and the blasting wire clamp includes: upper box body, the lower box seat of the one end of upper box body is connected with the lower box seat, and the other end of upper box body and lower box seat is movably connected by locking assembly, the foot wire through-hole is set in the end of upper box body and lower box seat movably connected, the square of the box in lower box seat is set with the recess for installing metal terminal, two recesses are set with staggered position, the busbar through-hole for passing through busbar is provided in the two sides of blasting wire clamp, the four surfaces of recess are set with the through slot one for passing through foot wire and busbar, and at least one inner wall of recess is set as wedge convex surface.The above-mentioned scheme is set as wedge convex surface inside recess, metal terminal can be stably embedded in recess, so as to realize the stable connection of metal terminal, avoid the condition of loosening, ensure the reliability and safety of the connection of foot wire and blasting busbar.

Description

TECHNICAL FIELD

[0001] The utility model relates to a line connecting device technical field, concretely relates to an electronic detonator blasting wire clamp. BACKGROUND

[0002] The electronic detonator blasting wire clamp is used for reliably and safely connecting the foot wire of the electronic detonator with the blasting bus, ensuring that the current can be stably and accurately transmitted to each electronic detonator in the blasting operation, thereby causing explosion.

[0003] The electronic detonator blasting wire clamp is made of plastic material and has a detonator foot wire slot for placing the foot wire and the blasting bus.

[0004] In the blasting operation, the electronic detonator is widely used due to its accurate control, remote operation and low risk characteristics, however, the traditional electronic detonator blasting wire clamp has deficiencies in connection stability, waterproof, moisture-proof and dust-proof performance and safety, especially in harsh environmental conditions such as humid, dusty or high temperature environment, which can easily cause poor contact, short circuit and even explosion and other safety hazards.

[0005] Chinese patent publication CN110726346A discloses a fast connecting waterproof connector for electronic detonator, which includes an electronic detonator foot wire, an outer waterproof structure arranged on a box body and a box cover, an inner waterproof structure located on the inner side of the outer waterproof structure, and a connecting terminal installed in the inner waterproof structure. The fast connecting waterproof connector can be used for fast installation and connection of the foot wire of the electronic detonator with the output bus of the initiator. The connecting terminal is not stable and is easy to loosen, resulting in poor connection stability.

[0006] Therefore, it is particularly important to design an electronic detonator blasting wire clamp to meet the stability requirement of the connecting terminal in the blasting wire clamp under complex environment. SUMMARY

[0007] The technical problem to be solved by the present application is to provide an electronic detonator blasting wire clamp to solve the problem of loose and unstable connecting terminal in the prior art.

[0008] To solve the above problems, the present application provides an electronic detonator blasting wire clamp, which is used for connecting the foot wire of the electronic detonator with the blasting bus through a metal terminal. The blasting wire clamp includes an upper box body, a lower box seat connected with one end of the upper box body, and a card lock assembly movably connecting the other end of the upper box body and the lower box seat. The blasting wire clamp is provided with a foot wire through hole at the end movably connected with the upper box body and the lower box seat.

[0009] The lower box seat is provided with a square embedding groove for mounting a metal terminal in the box, the two embedding grooves are staggered, the blasting wire clamp is provided with a busbar through hole for passing through the busbar, the four sides of the embedding groove are provided with a through groove one for passing through the foot wire and the busbar, and at least one inner wall of the embedding groove is provided as a wedge-shaped convex surface.The above-mentioned scheme sets the inside of the embedding groove as a wedge-shaped convex surface, so that the metal terminal can be stably embedded in the embedding groove, thereby realizing stable connection of the metal terminal, avoiding loosening, and ensuring the reliability and safety of the connection of the foot wire and the blasting busbar.

[0010] The upper box body is provided with a protrusion matched with the embedding groove, and the metal terminal and the foot wire are stably mounted in the embedding groove through the above-mentioned scheme, so that the connection is more stable.

[0011] The metal terminal is provided with a through groove two for passing through the foot wire and the busbar on four sides, and the through groove two is a wedge-shaped groove, so that the foot wire and the busbar are stably mounted in the blasting wire clamp through the above-mentioned scheme.

[0012] The inner wall of the metal terminal is provided with a wedge-shaped concave surface matched with the embedding groove, so that the metal terminal is conveniently combined with the embedding groove during installation, improving the convenience and efficiency of installation, and the metal terminal is more easily inserted into the embedding groove and is self-positioned and fixed to a certain extent, simplifying the installation steps and further enhancing the stability and reliability of the blasting wire clamp.

[0013] A plurality of first protrusions are arranged in the foot wire through hole end of the lower box seat, a U-shaped wire groove is arranged on the plurality of first protrusions, and the plurality of first protrusions are staggered with each other to form a foot wire channel, so that the end of the foot wire is effectively prevented from being pulled out due to external force through the above-mentioned scheme.

[0014] At least three first protrusions are arranged in the lower box seat, and the foot wire is clamped in the U-shaped wire groove of the first protrusion to form an S-shaped bending, so that the foot wire is prevented from being pulled out due to external force through the above-mentioned scheme.

[0015] The upper box body is provided with a plurality of third protrusions opposite to the positions of the first protrusions, so that the third protrusions clamp the foot wire and further increase the resistance to being pulled out by external force through the above-mentioned scheme.

[0016] A partition plate is further arranged on the lower box seat to divide the two embedding grooves into two areas, and a busbar through hole is arranged on the partition plate and flush with the through groove of each embedding groove, so that the two foot wires are separated by the partition plate, improving the neatness and safety of the layout through the above-mentioned scheme.

[0017] The second protrusion is arranged on the upper box body opposite to the position of the partition plate, which is beneficial to the installation of the busbar in the through slot, prevents displacement or falling of the busbar during use, and ensures the stability and safety of the connection between the busbar and the foot wire.

[0018] The inner wall of the opening edge of the upper box body is provided with a flange, or the outer wall of the opening edge is provided with a flange, and correspondingly, the outer wall of the opening edge of the lower box seat is provided with a flange or the flange of the inner wall of the opening edge; the flange surrounds a waterproof pad seat, and a sheet-shaped waterproof pad is installed at the waterproof pad seat, through the above scheme, the waterproof pad is arranged at the opening edge, which enhances the waterproof performance of the structure and prevents water from entering.

[0019] The technical effect of the utility model lies in:

[0020] (1) The wedge-shaped convex surface of the embedding groove is matched with the wedge-shaped concave surface of the metal terminal, so that the metal terminal is combined with the embedding groove conveniently during installation, the convenience and efficiency of installation are improved, the metal terminal is more easily inserted into the embedding groove, and is self-positioned and fixed to a certain extent, the installation steps are simplified, the electrical connection is realized, and the stability of the metal terminal is further enhanced.

[0021] (2) The first protrusions are arranged in the box of the lower box seat and are staggered, forming a staggered and orderly foot wire channel, facilitating the arrangement and management of the foot wire, and the intersecting structure of the channel increases the resistance, effectively preventing the foot wire from being pulled out by external force, and ensuring the smooth progress of the blasting operation.

[0022] (3) The waterproof pads are arranged at the opening edges of the upper box body and the lower box seat, enhancing the waterproof performance of the structure and preventing water from entering. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is an internal structure schematic diagram of the electronic detonator blasting wire clamp provided by the embodiment of the application.

[0024] Figure 2 It is a structure schematic diagram of the electronic detonator blasting wire clamp in the front view state.

[0025] Figure 3 It is an internal structure schematic diagram of the wireless wire clamp of the electronic detonator blasting wire clamp provided by the embodiment of the application.

[0026] Figure 4 It is a structure schematic diagram of the wireless wire clamp of the electronic detonator blasting wire clamp in the front view state.

[0027] Figure 5 It is a cross-sectional structure schematic diagram of A-A in the application Figure 4

[0028] ​Figure 6 This is a schematic diagram of the metal terminal structure of the electronic detonator blasting clamp provided in the embodiments of this application.

[0029] Figure 7 This is a front view structural diagram of the metal terminal of the electronic detonator blasting clamp provided in the embodiment of this application.

[0030] Figure 8 This is a schematic diagram of the waterproof gasket structure of the electronic detonator blasting clamp provided in the embodiments of this application.

[0031] Figure 9 This application Figure 4 Schematic diagram of the cross-sectional structure at point BB.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1000, lead wire; 2000, main line;

[0034] 1. Upper box body; 2. Lower box base; 3. Metal terminal; 31. Through slot two; 4. Locking assembly; 5. Partition; 6. Embedded groove; 61. Wedge-shaped convex surface; 62. Through slot one; 7. First protrusion; 8. Lead wire through hole; 9. Flange; 10. Busbar through hole; 11. Second protrusion; 12. Protrusion; 13. Third protrusion; 14. Waterproof pad; 15. Waterproof gasket. Detailed Implementation

[0035] The following will be combined with the appendix Figures 1-9 The embodiments of the technical solution of this application are described in detail below. The following embodiments are only used to illustrate the technical solution of this application more clearly, and are therefore only examples and should not be used to limit the scope of protection of this application.

[0036] Example 1

[0037] Reference Figures 1-4 This utility model provides an embodiment of an electronic detonator blasting clamp. The blasting clamp is used to connect the lead wire 1000 of the electronic detonator to the blasting busbar 2000 via a metal terminal 3. The blasting clamp includes: an upper housing 1, and a lower housing 2 integrally connected to one end of the upper housing 1. The other ends of the upper housing 1 and the lower housing 2 are movably connected via a locking assembly 4. A lead wire through hole 8 is provided at the end of the blasting clamp where the upper housing 1 and the lower housing 2 are movably connected. The upper housing 1 and the lower housing 2 are engaged by a flip-opening mechanism. The locking assembly 4 is a common engagement structure of the existing upper housing 1 and lower housing 2, which will not be described in detail here. The locking assembly 4 structure shown in the attached drawings is a conventional structure specifically selected in this embodiment. This embodiment is not limited to this structure; similar structures and equivalent transformations can be applied within this application. The upper housing 1 and the lower housing 2 are integrally injection molded. The locking assembly 4 structure shown in the attached drawings ensures the overall stability of the clamp.

[0038] The lower box seat 2 is provided with a square-shaped insertion groove 6 for installing the metal terminal 3, two insertion grooves 6 are arranged in staggered manner, the two sides of the blasting wire clamp are provided with busbar through holes 10 for passing through the busbar 2000, the four sides of the insertion groove 6 are provided with through grooves 62 for passing through the foot wire 1000 and the busbar 2000; at least one inner wall of the insertion groove 6 is provided as a wedge-shaped convex surface 61, the above scheme is provided as a wedge-shaped convex surface 61 inside the insertion groove 6, the metal terminal 3 can be stably inserted into the insertion groove 6, thereby realizing stable connection of the metal terminal 3, avoiding loosening, and ensuring the reliability and safety of the connection of the foot wire 1000 and the blasting busbar 2000.

[0039] The upper box body 1 is provided with a protrusion 12 matched with the insertion groove 6, the four sides of the metal terminal 3 are provided with through grooves 31 for passing through the foot wire 1000 and the busbar 2000, a plurality of first protrusions 7 are arranged at the end of the foot wire through hole 8 in the lower box seat 2, a U-shaped wire groove is arranged on the plurality of first protrusions 7, the plurality of first protrusions 7 are staggered with each other to form a foot wire 1000 channel, three first protrusions 7 are arranged in the lower box seat 2, the foot wire 1000 is clamped in the U-shaped wire groove of the first protrusion 7 to form an S-shaped bending, the upper box body 1 is provided with a plurality of third protrusions 13 corresponding to the positions of the first protrusions 7, through the above scheme, the metal terminal 3 and the foot wire 1000 are further stably installed in the insertion groove 6 by arranging the protrusion 12, the first protrusion 7 and the third protrusion 13, and the one end of the foot wire 1000 is effectively prevented from being pulled out due to external force, thereby improving the stability of the connection of the foot wire 1000 and the blasting busbar 2000.

[0040] Referring to Figure 3 , 4 , 8, the inner wall of the opening edge of the upper box body 1 is provided with a flange 9 or the outer wall of the opening edge is provided with a flange 9, and correspondingly, the outer wall of the opening edge of the lower box seat 2 is provided with a flange 9 or the flange 9 of the inner wall of the opening edge; the flange 9 surrounds a waterproof pad seat 14, a sheet-shaped waterproof pad 15 is installed at the waterproof pad seat 14, the waterproof pad 15 is made of rubber material and has good waterproof performance, through the above scheme, the waterproof pad 15 is arranged at the opening edge to enhance the waterproof performance of the structure and prevent water from entering.

[0041] Example two

[0042] Referring to Figures 1-9, based on the above embodiment one, the utility model provides another embodiment of electronic detonator blasting wire clamp, based on the layout and product structure of foot line 1000 and busbar 2000, four sides of metal terminal 3 are provided with through slot two 31 for passing through foot line 1000, busbar 2000, the shape of through slot two 31 is wedge slot, through the above scheme, further firmly install foot line 1000 and busbar 2000 in blasting wire clamp, the inner wall of metal terminal 3 is provided with wedge-shaped concave surface matched with embedding groove 6, through the above scheme, make metal terminal 3 conveniently combine with embedding groove 6 in the installation process, improve the convenience and efficiency of installation, the metal terminal 3 is more easily inserted into embedding groove 6, and is positioned and fixed to a certain extent, simplify the installation step, further enhance the stability and reliability of blasting wire clamp.

[0043] Embodiment three

[0044] Refer to Figures 1-9 , based on the above embodiment one and embodiment two, the utility model provides another embodiment of electronic detonator blasting wire clamp, based on the layout and product structure of foot line 1000, five first protrusions 7 are arranged in lower box seat 2, and foot line 1000 is clamped in the U-shaped wire slot of first protrusion 7 to form S-shaped bending, through the above scheme, five first protrusions 7 are arranged to prevent foot line 1000 from being pulled out due to external force, and the firmness and safety of foot line 1000 connection are enhanced, and such layout improves the durability of the product, avoids potential risks caused by accidental falling of foot line 1000.

[0045] The lower box seat 2 is further provided with a partition plate 5 that divides the two embedding grooves 6 into two regions, and the partition plate 5 is provided with busbar 2000 through holes that are flush with the through slots one 62 of each embedding groove 6. The partition plate 5 is arranged to separate the two foot lines 1000, improving the neatness and safety of the layout.

[0046] The above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for part or all of the technical features; and such modifications or substitutions do not cause the essence of the corresponding technical solution to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An electronic detonator blasting clamp, characterized in that, The blasting clamp is used to connect the lead wire (1000) of the electronic detonator to the blasting busbar (2000) through the metal terminal (3). The blasting clamp includes an upper box (1) and a lower box seat (2) that are connected at one end. The other end of the upper box (1) and the lower box seat (2) are movably connected through a locking assembly (4). The blasting clamp is provided with a lead wire through hole (8) at the end of the upper box (1) and the lower box seat (2) that are movably connected. The lower box base (2) is provided with a square groove (6) for installing the metal terminal (3) inside the box. The two grooves (6) are staggered. The two sides of the burst clamp are provided with busbar through holes (10) for passing through the busbar (2000). The four sides of the groove (6) are provided with through slots (62) for passing through the lead wire (1000) and the busbar (2000). At least one inner wall of the groove (6) is configured as a wedge-shaped convex surface (61).

2. The electronic detonator blasting clamp according to claim 1, characterized in that, The upper box (1) has a protrusion (12) installed inside the box to cooperate with the groove (6).

3. The electronic detonator blasting clamp according to claim 1, characterized in that, The metal terminal (3) is provided with through slots (31) on all four sides for the lead wire (1000) and the busbar (2000) to pass through. The through slots (31) are wedge-shaped.

4. The electronic detonator blasting clamp according to claim 3, characterized in that, The inner wall of the metal terminal (3) is provided with a wedge-shaped concave surface that mates with the groove (6).

5. The electronic detonator blasting clamp according to claim 1, characterized in that, The lower box base (2) is provided with a plurality of first protrusions (7) at the end of the lead wire through hole (8), and a U-shaped wire groove is provided on the plurality of first protrusions (7). The plurality of first protrusions (7) intersect each other to form the lead wire (1000) channel.

6. The electronic detonator blasting clamp according to claim 5, characterized in that, At least three of the first protrusions (7) are provided inside the lower box seat (2), and the lead wire (1000) is engaged with the U-shaped groove of the first protrusion (7) to form an S-shaped bend.

7. The electronic detonator blasting clamp according to claim 6, characterized in that, The upper box (1) is provided with a plurality of third protrusions (13) that are opposite to the position of the first protrusion (7).

8. The electronic detonator blasting clamp according to claim 1, characterized in that, The lower box base (2) is also provided with a partition (5) that divides the two slots (6) into two regions. The partition (5) is provided with a busbar (2000) through hole that is flush with the through slot (62) of each slot (6).

9. The electronic detonator blasting clamp according to claim 8, characterized in that, The upper box (1) is provided with a second protrusion (11) opposite to the position of the partition (5).

10. The electronic detonator blasting clamp according to claim 1, characterized in that, The upper box body (1) has a flange (9) on the inner wall at the opening edge or the flange (9) on the outer wall at the opening edge. Correspondingly, the lower box seat (2) has a flange (9) on the outer wall at the opening edge or the flange (9) on the inner wall at the opening edge. The flange (9) forms a waterproof pad (14), and a sheet-like waterproof pad (15) is installed at the waterproof pad (14).

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