Quick connection type electronic detonator

Abstract

The utility model discloses a quick-connection type electronic detonator, which comprises an outer tube with an open head end and a closed tail end; the initiating explosive is arranged at the bottom of the outer tube; the tail part is internally sleeved in the outer tube, the head end is opened, and the tail end is closed; the joint of the initiating explosive and the control circuit is sealed by the outer tube; the control circuit is arranged in the injection molding rubber coating, and a transduction element of the control circuit penetrates through the tail end of the injection molding rubber coating and is located in the initiating explosive; the first plug connector is arranged at the injection molding rubber coating head part and is electrically connected with the control circuit; the tail end of the leg wire piece is provided with an external wire; the second plug connector is arranged at the head part of the leg wire piece, is electrically connected with an external wire and is matched with the first plug connector in structure; after the first plug connector and the second plug connector are connected in an inserted mode, the head portion of the injection molding rubber coating and the head portion of the leg wire piece are sealed. During storage and transportation, the body and the leg wire piece can be separated, storage and transportation are facilitated, logistics cost is reduced, the body and the leg wire piece are connected in an inserted mode through the connector before use, and assembly is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic detonator production field, concretely relates to a quick electric connection type electronic detonator. BACKGROUND

[0002] Electronic detonator, also called digital electronic detonator and industrial digital electronic detonator, is a kind of detonator using electronic control module to control detonation process. In order to meet the use requirement, electronic detonator is often provided with relatively long foot wire to control the detonator. Due to the existence of foot wire, the weight of detonator product is greatly increased, and electronic detonator generally has large delivery volume, thus causing storage and transportation inconvenience and cost increase. SUMMARY

[0003] In view of the above defects of prior art, the utility model aims at providing a quick electric connection type electronic detonator, which can be separated from foot wire part during storage and transportation, facilitating storage and transportation, reducing logistics cost, and being assembled by plug-in connector before use.

[0004] The utility model aims at realizing the following technical scheme:

[0005] A quick electric connection type electronic detonator, comprising:

[0006] An outer tube with open head end and closed tail end;

[0007] An initiating explosive arranged at the bottom of the outer tube;

[0008] An injection-molded rubber cover, which is sleeved in the outer tube at the tail end, has open head end and closed tail end, and seals the connection between the initiating explosive and control circuit;

[0009] A control circuit arranged in the injection-molded rubber cover, with transducer element penetrating through the tail end of the injection-molded rubber cover and located in the initiating explosive;

[0010] A first plug-in connector arranged at the head of the injection-molded rubber cover and electrically connected with the control circuit;

[0011] A foot wire part provided with external wire at the tail end;

[0012] A second plug-in connector arranged at the head of the foot wire part, electrically connected with the external wire, and matched with the first plug-in connector in structure;

[0013] When the first plug-in connector and the second plug-in connector are plugged in, the head of the injection-molded rubber cover is sealed with the head of the foot wire part.

[0014] Further, the head of the foot wire part is provided with a step part, the tail end of the step part is coaxially arranged at the head end of the foot wire part, and the second plug-in connector is arranged at the head end of the step part.

[0015] The step part is provided with a first annular groove; the first annular groove is provided with a first annular sealing ring; when the first plug-in part and the second plug-in part are plugged in, the head part of the injection-molded rubber sleeve is sleeved on the head part of the foot wire part, and the inner wall of the injection-molded rubber sleeve is pressed against the first annular sealing ring, so that the head part of the injection-molded rubber sleeve is sealed.

[0016] The inner wall of the head part of the injection-molded rubber sleeve is provided with an annular protrusion; when the first plug-in part and the second plug-in part are plugged in, the outer ring surface of the annular protrusion is abutted against the outer side surface of the head end of the step part.

[0017] Further, the head end of the first plug-in part is provided with an inner groove coaxial with the axis thereof; the bottom of the inner groove is provided with a protruding column along the axis thereof; the head end of the second plug-in part is provided with a plug-in hole matched with the protruding column;

[0018] When the first plug-in part and the second plug-in part are plugged in, the head end of the second plug-in part is inserted into the inner groove of the first plug-in part, and the protruding column is located in the plug-in hole.

[0019] Further, the outer surface of the foot wire part is provided with an annular clamping groove; the inner wall of the injection-molded rubber sleeve is provided with an annular clamping protrusion matched with the annular clamping groove; the outer side surface of the annular clamping protrusion is provided with a guide inclined surface; when the first plug-in part and the second plug-in part are plugged in, the annular clamping protrusion is located in the annular clamping groove, so as to limit the injection-molded rubber sleeve and the foot wire part.

[0020] Further, the end surface of the head end of the outer tube is provided with a tubular annular bayonet part, and the longitudinal section of the annular bayonet part is wavy;

[0021] The outer surface of the foot wire part is provided with a first limiting protrusion;

[0022] When the first plug-in part and the second plug-in part are plugged in, the annular bayonet part is sleeved on the outer surface of the foot wire part, and the end of the annular bayonet part is abutted against the side surface of the first limiting protrusion in a sealed interference fit.

[0023] Further, the outer surface of the head part of the injection-molded rubber sleeve is provided with a second annular groove, and the second annular groove is provided with a second annular sealing ring; the head end of the foot wire part is provided with a plug-in groove, and the second plug-in part is arranged in the plug-in groove of the foot wire part;

[0024] When the first plug-in part and the second plug-in part are plugged in, the head part of the injection-molded rubber sleeve is sleeved in the head part of the foot wire part, and the second annular sealing ring is pressed against the inner wall of the foot wire part, so that the head part of the foot wire part is sealed.

[0025] Further, the inner wall of the head end of the outer tube is provided with a plurality of annular bayonet protrusions which are spaced apart from each other; the longitudinal section of the bayonet protrusion is triangular, and the tip points to the axis of the outer tube;

[0026] The head end of the injection-molded rubber is provided with a second limiting protrusion;

[0027] When the first plug-in part and the second plug-in part are plugged in, the bayonet protrusion is sleeved on the outer surface of the injection-molded rubber head, and the head end of the outer tube abuts against the side surface of the second limiting protrusion in a sealed interference fit.

[0028] Further, when the first plug-in part and the second plug-in part are plugged in, the head of the outer tube is sleeved on the outer surface of the injection-molded rubber head;

[0029] Further, the injection-molded rubber is provided with a plurality of annular fastening rings along the axial direction of the injection-molded rubber;

[0030] The foot wire tube is sleeved on the outer surface of the foot wire part, and the tail end is provided with a through hole through which the external wire passes; the head end is sleeved on the outer surface of the head of the outer tube, and the head of the outer tube and the head of the injection-molded rubber are shielded;

[0031] The sealing ring is sleeved on the outer surface of the head of the foot wire tube, and is in extrusion fit with the head of the foot wire tube, so as to seal the foot wire tube and the outer surface of the head of the outer tube.

[0032] Further, the tail end of the injection-molded rubber is provided with an annular sealing ring, and the head end of the injection-molded rubber is provided with a plurality of annular fastening rings along the axial direction of the injection-molded rubber; when the injection-molded rubber is sleeved in the outer tube, the sealing ring and the fastening ring are in seamless extrusion fit with the inner wall of the outer tube.

[0033] Further, the sealing ring is provided with an exhaust groove, and the axial direction of the exhaust groove is arranged at an angle with the axis of the injection-molded rubber; the fastening ring is provided with a notch; the notches of adjacent fastening rings are arranged in a staggered manner.

[0034] Due to the adoption of the above technical scheme, the utility model has the following advantages:

[0035] The body of the conventional electronic detonator is separated from the external wire, and the body and the foot wire part can be independently transported during storage and transportation, so that the storage and transportation are facilitated, the logistics cost is reduced, and the connection and adaptation are not affected, and before use, the body and the foot wire part are plugged in through the plug-in part, and the assembly is completed.

[0036] Other advantages, objects and features of the utility model will be described in the subsequent description to some extent, and to some extent, it will be obvious to those skilled in the art based on the study of the following text or can be taught from the practice of the utility model. DRAWINGS

[0037] The drawings of the utility model are as follows:

[0038] Figure 1 The perspective view structural diagram of the fast connection type electronic detonator in Example 1.

[0039] Figure 2 The front view structural diagram of the fast connection type electronic detonator in Example 1.

[0040] Figure 3 The perspective view structural diagram of the injection molding in Example 1. Figure 2 The A-A section structural diagram in Example 1.

[0041] Figure 4 The B enlarged structural diagram in Example 1. Figure 3 The C enlarged structural diagram in Example 1.

[0042] Figure 5 The D-D section structural diagram in Example 1. Figure 3 The E enlarged structural diagram in Example 1.

[0043] Figure 6 The perspective view structural diagram of the injection molding in Example 2.

[0044] Figure 7 The front view structural diagram of the injection molding in Example 2.

[0045] Figure 8 The perspective view structural diagram of the fast connection type electronic detonator in Example 2.

[0046] Figure 9 The front view structural diagram of the fast connection type electronic detonator in Example 2.

[0047] Figure 10 The F-F section structural diagram in Example 2. Figure 9 The G enlarged structural diagram in Example 2.

[0048] Figure 11 The H enlarged structural diagram in Example 2. Figure 10 The I enlarged structural diagram in Example 2.

[0049] Figure 12 The perspective view structural diagram of the injection molding in Example 3.

[0050] Figure 13 The front view structural diagram of the injection molding in Example 3.

[0051] Figure 14 The perspective view structural diagram of the fast connection type electronic detonator in Example 3.

[0052] Figure 15 The front view structural diagram of the fast connection type electronic detonator in Example 3.

[0053] Figure 16 The J-J section structural diagram in Example 3. Figure 15 The K enlarged structural diagram in Example 3.

[0054] Figure 17 As Figure 16 Enlarged structural view at G.

[0055] Figure 18 As Figure 16 Enlarged structural view at H.

[0056] Figure 19 Schematic view of the three-dimensional structure of the injection molding in Example 3.

[0057] Figure 20 Schematic view of the front view structure of the injection molding in Example 3.

[0058] In the figure: 1. outer tube; 11. bayonet protrusion; 2. initiating explosive; 3. injection molding; 31. annular protrusion; 32. annular clamping protrusion; 33. second annular groove; 34. second annular sealing ring; 35. sealing ring; 351. exhaust groove; 36. fastening ring; 361. notch; 4. control circuit; 5. first plug; 51. inner groove; 52. protruding column; 6. leg wire; 61. step part; 611. first annular groove; 62. first annular sealing ring; 63. annular clamping groove; 64. first limiting protrusion; 65. second limiting protrusion; 66. plug slot; 7. external wire; 8. second plug; 81. plug hole; 9. annular bayonet part; 100. leg wire tube; 101. sealing ring. DETAILED DESCRIPTION

[0059] The utility model will be further described below in combination with the drawings and examples.

[0060] Example 1:

[0061] As Figures 1-7 shown, a quick connection type electronic detonator, comprising:

[0062] The outer tube 1 is open at the head end and closed at the tail end.

[0063] The initiating explosive 2 is arranged at the bottom of the outer tube 1.

[0064] The injection molding 3 is sleeved in the outer tube 1 at the tail end, and is open at the head end and closed at the tail end; the outer tube 1 seals the connection between the initiating explosive 2 and the control circuit 4.

[0065] The control circuit 4 is arranged in the injection molding 3, and the transducer element of the control circuit 4 is located in the initiating explosive 2 through the tail end of the injection molding 3.

[0066] The first plug 5 is arranged at the head of the injection molding 3 and is electrically connected with the control circuit 4.

[0067] The leg wire 6 is provided with the external wire 7 at the tail end.

[0068] The second plug 8 is arranged at the head of the foot wire 6 and is electrically connected with the external wire 7, and is matched with the first plug 5 in structure.

[0069] When the first plug 5 and the second plug 8 are plugged, the head of the injection molding 3 is sealed with the head of the foot wire 6.

[0070] In the embodiment, the head of the foot wire 6 is provided with a stepped portion 61, and the tail end of the stepped portion 61 is coaxially arranged at the head end of the foot wire 6; the second plug 8 is arranged at the head end of the stepped portion 61.

[0071] The stepped portion 61 is provided with a first annular groove 611; the first annular groove 611 is provided with a first annular sealing ring 62; when the first plug 5 and the second plug 8 are plugged, the head of the injection molding 3 is sleeved on the head of the foot wire 6, and the inner wall of the injection molding 3 is pressed against the first annular sealing ring 62, so as to seal the head of the injection molding 3.

[0072] The inner wall of the head of the injection molding 3 is provided with an annular protrusion 31; when the first plug 5 and the second plug 8 are plugged, the outer ring surface of the annular protrusion 31 is abutted against the outer side surface of the head end of the stepped portion 61.

[0073] In the embodiment, the head end of the first plug 5 is provided with an inner groove 51 coaxial with the axis of the first plug 5; the bottom of the inner groove 51 is provided with a protruding column 52 along the axis of the first plug 5; the head end of the second plug 8 is provided with a plug hole 81 matched with the protruding column 52.

[0074] When the first plug 5 and the second plug 8 are plugged, the outer ring surface of the annular protrusion 31 is abutted against the outer side surface of the head end of the stepped portion 61, the head end of the second plug 8 is arranged in the inner groove 51 of the first plug 5, and the protruding column 52 is arranged in the plug hole 81.

[0075] In the embodiment, the end surface of the head end of the outer tube 1 is provided with a tubular annular bayonet portion 9, and the longitudinal section of the annular bayonet portion 9 is in a wavy shape.

[0076] The outer surface of the foot wire 6 is provided with a first limiting protrusion 64.

[0077] When the first plug 5 and the second plug 8 are plugged, the annular bayonet portion 9 is sleeved on the outer surface of the foot wire 6 and is in a sealed interference fit with the outer surface of the foot wire 6, and the tail end of the annular bayonet portion 9 is abutted against the side surface of the first limiting protrusion 64.

[0078] In the embodiment, the tail end of the injection molding 3 is provided with an annular sealing ring 35, and the head end of the injection molding 3 is provided with a plurality of annular fastening rings along the axial direction; when the injection molding 3 is sleeved in the outer tube 1, the sealing ring 35 and the fastening ring 36 are seamlessly extruded and fixed with the inner wall of the outer tube 1.

[0079] In the embodiment, the sealing ring 35 is provided with an exhaust groove 251, which is arranged at an angle with the axis of the injection molding 3 in the axial direction; the fastening ring 36 is provided with a notch 361; the notches 361 of adjacent fastening rings 36 are arranged in a staggered manner.

[0080] In the embodiment, the first plug-in part 5 and the second plug-in part 8 adopt the structure of DC plug and socket, which is stable and reliable in connection. The outer tube 1 supports and protects the detonating agent 2 and the control circuit 4, the first annular sealing ring 62 can ensure good waterproof sealing effect, the outer tube 1 and the foot wire part 6 adopt the connection mode of annular bayonet, which can not only ensure the anti-separation ability of the two, but also has a certain waterproof effect. The sealing ring 35 is in interference with the outer tube 1, which can effectively seal the detonating agent 2, and the exhaust groove 251 arranged thereon can smoothly exhaust the gas in the outer tube 1 during assembly, the fastening ring on the injection molding 3 can relatively fix the injection molding 3 and the outer tube 1, which ensures that the control circuit 4 in the injection molding 3 will not be loose during transportation and transportation, and the designed notch 361 facilitates the exhaust of the gas in the outer tube 1 during assembly, avoiding the overpressure in the outer tube 1.

[0081] Embodiment 2:

[0082] As shown in Figures 8-13 A quick connection type electronic detonator, comprising:

[0083] An outer tube 1 with an open head end and a closed tail end;

[0084] A detonating agent 2 arranged at the bottom of the outer tube 1;

[0085] An injection molding 3 with an open head end and a closed tail end, which is sleeved in the outer tube 1; the outer tube 1 seals the connection between the detonating agent 2 and the control circuit 4;

[0086] A control circuit 4 arranged in the injection molding 3, and the transducer element thereof is located in the detonating agent 2 through the tail end of the injection molding 3;

[0087] A first plug-in part 5 arranged at the head of the injection molding 3 and electrically connected with the control circuit 4;

[0088] A foot wire part 6 provided with an external wire 7 at the tail end;

[0089] A second plug-in part 8 arranged at the head of the foot wire part 6 and electrically connected with the external wire 7, and matched with the first plug-in part 5 in structure;

[0090] When the first plug 5 and the second plug 8 are plugged, the head of the injection molding 3 is sealed with the head of the foot wire 6.

[0091] In this embodiment, the head of the foot wire 6 is provided with a stepped portion 61, the tail end of the stepped portion 61 is coaxially arranged at the head end of the foot wire 6; the second plug 8 is arranged at the head end of the stepped portion 61;

[0092] The stepped portion 61 is provided with a first annular groove 611; the first annular groove 611 is provided with a first annular sealing ring 62; when the first plug 5 and the second plug 8 are plugged, the head of the injection molding 3 is sleeved on the head of the foot wire 6, the inner wall of the injection molding 3 is extruded with the first annular sealing ring 62, and the head of the injection molding 3 is sealed;

[0093] The inner wall of the head of the injection molding 3 is provided with an annular protrusion 31; when the first plug 5 and the second plug 8 are plugged, the outer ring surface of the annular protrusion 31 is abutted with the outer side surface of the head end of the stepped portion 61.

[0094] In this embodiment, the head end of the first plug 5 is provided with an inner groove 51 coaxial with the axis of the first plug 5; the bottom of the inner groove 51 is provided with a protruding column 52 along the axis of the first plug 5; the head end of the second plug 8 is provided with a plug hole 81 matched with the protruding column 52;

[0095] When the first plug 5 and the second plug 8 are plugged, the outer ring surface of the annular protrusion 31 is abutted with the outer side surface of the head end of the stepped portion 61, the head end of the second plug 8 is arranged in the inner groove 51 of the first plug 5, and the protruding column 52 is arranged in the plug hole 81.

[0096] In this embodiment, the outer surface of the foot wire 6 is provided with an annular clamping groove 63; the inner wall of the injection molding 3 is provided with an annular clamping protrusion 32 matched with the annular clamping groove 63; the outer side surface of the annular clamping protrusion 32 is provided with a guide inclined surface; when the first plug 5 and the second plug 8 are plugged, the annular clamping protrusion 32 is arranged in the annular clamping groove 63, and the injection molding 3 and the foot wire 6 are limited.

[0097] In this embodiment, the inner wall of the head end of the outer tube 1 is provided with a plurality of annular clamping protrusions 11 spaced from each other; the longitudinal section of the annular clamping protrusion 11 is triangular, and the sharp part points to the axis of the outer tube 1;

[0098] The head end of the injection molding 3 is provided with a second limiting protrusion 65;

[0099] When the first plug 5 and the second plug 8 are plugged, the bayonet protrusion 11 is sleeved on the outer surface of the head of the injection molding 3, and the head end surface of the outer tube 1 abuts against the side surface of the second limiting protrusion 65.

[0100] In this embodiment, the tail end of the injection molding 3 is provided with an annular sealing ring 35, and the head end of the injection molding 3 is provided with a plurality of annular fastening rings along the axial direction; when the injection molding 3 is sleeved in the outer tube 1, the sealing ring 35 and the fastening ring 36 are fixedly extruded with the inner wall of the outer tube 1.

[0101] In this embodiment, the sealing ring 35 is provided with an exhaust groove 251, and the axial direction of the exhaust groove 251 is arranged at an angle with the axis of the injection molding 3; the fastening ring 36 is provided with a notch 361; the notches 361 of adjacent fastening rings 36 are arranged in a staggered manner.

[0102] In this embodiment, the first plug 5 and the second plug 8 adopt the structure of DC plug and socket, which is stable and reliable in connection. The outer tube 1 supports and protects the detonating agent 2 and the control circuit 4, the first annular sealing ring 62 can ensure good waterproof sealing effect, and the outer tube 1 and the foot wire 6 are connected by the bayonet protrusion 11, which can ensure the anti-separation ability and has a certain waterproof effect.

[0103] The design of the annular clamping groove 63 and the annular clamping protrusion 32 makes the foot wire 6 and the injection molding 3 connected to form a limiting lock, so as to avoid separation between the foot wire 6 and the injection molding 3 and ensure the stability of the connection.

[0104] The sealing ring 35 is in interference with the outer tube 1, which can effectively seal the detonating agent 2, and the exhaust groove 251 arranged thereon can smoothly exhaust the gas in the outer tube 1 during assembly, the fastening ring on the injection molding 3 can relatively fix the injection molding 3 and the outer tube 1, which ensures that the control circuit 4 in the injection molding 3 will not be loose during transportation and transportation, and the designed notch 361 facilitates the exhaust of the gas in the outer tube 1 during assembly, avoiding the overpressure in the outer tube 1.

[0105] Embodiment 3:

[0106] As shown in Figures 14-20 A quick connection type electronic detonator, comprising:

[0107] An outer tube 1, the head end is open, and the tail end is closed;

[0108] A detonating agent 2, arranged at the bottom of the outer tube 1;

[0109] An injection molding 3, the tail end is sleeved in the outer tube 1, the head end is open, and the tail end is closed; the outer tube 1 seals the connection between the detonating agent 2 and the control circuit 4;

[0110] The control circuit 4 is arranged in the injection molding 3, and the transducer element thereof penetrates the tail end of the injection molding 3 and is located in the detonating powder 2;

[0111] The first plug 5 is arranged at the head of the injection molding 3 and is electrically connected with the control circuit 4;

[0112] The foot wire 6 is provided with the external wire 7 at the tail end thereof;

[0113] The second plug 8 is arranged at the head of the foot wire 6 and is electrically connected with the external wire 7 and is matched with the first plug 5 in structure;

[0114] When the first plug 5 and the second plug 8 are plugged, the head of the injection molding 3 is sealed with the head of the foot wire 6.

[0115] In the embodiment, the head of the injection molding 3 is provided with a second annular groove 33, and the second annular groove 33 is provided with a second annular sealing ring 34; the head of the foot wire 6 is provided with a plug groove 66, and the second plug 8 is arranged in the plug groove 66 of the foot wire 6;

[0116] When the first plug 5 and the second plug 8 are plugged, the head of the injection molding 3 is sleeved in the head of the foot wire 6, and the second annular sealing ring 34 is pressed against the inner wall of the foot wire 6 to seal the head of the foot wire 6.

[0117] In the embodiment, the inner wall of the head of the outer tube 1 is provided with a plurality of annular bayonet protrusions 11 which are spaced apart from each other; the longitudinal section of the bayonet protrusion 11 is triangular, and the tip thereof points to the axis of the outer tube 1;

[0118] The head of the injection molding 3 is provided with a second limiting protrusion 65;

[0119] When the first plug 5 and the second plug 8 are plugged, the bayonet protrusion 11 is sleeved on the outer surface of the head of the injection molding 3 and is in sealed interference fit with the outer surface of the head of the injection molding 3, and the end face of the head of the outer tube 1 abuts against the side face of the second limiting protrusion 65.

[0120] In the embodiment, when the first plug 5 and the second plug 8 are plugged, the head of the outer tube 1 is sleeved on the outer surface of the head of the injection molding 3;

[0121] Further comprising:

[0122] The foot wire tube 100 is sleeved on the outer surface of the foot wire 6 and is provided with a perforation at the tail end thereof for the external wire 7 to pass through; the head of the foot wire tube 100 is sleeved on the outer surface of the head of the outer tube 1 to shield the head of the outer tube 1 and the head of the injection molding 3;

[0123] The sealing ring 101 is sleeved on the outer surface of the head of the foot wire tube 100, is in extrusion fit with the head of the foot wire tube 100, and seals the foot wire tube 100 and the outer surface of the head of the outer tube 1.

[0124] In the embodiment, the tail end of the injection molding 3 is provided with an annular sealing ring 35, and the head end of the injection molding 3 is provided with a plurality of annular fastening rings along the axial direction; when the injection molding 3 is sleeved in the outer tube 1, the sealing ring 35 and the fastening ring 36 are in seamless extrusion fit with the inner wall of the outer tube 1.

[0125] In the embodiment, the sealing ring 35 is provided with an exhaust groove 251, the axial direction of the exhaust groove 251 is arranged at an angle with the axis of the injection molding 3, the fastening ring 36 is provided with a notch 361, and the notches 361 of adjacent fastening rings 36 are arranged in a staggered manner.

[0126] In the embodiment, the first plug-in part 5 and the second plug-in part 8 adopt the structure form of a 2.5mm plug and a socket, are stable in connection, and are reliable in technology. The outer tube 1 supports and protects the detonating agent 2 and the control circuit 4, the second annular sealing ring 34 can guarantee good waterproof sealing effect, the outer tube 1 and the foot wire part 6 adopt the connection mode of the bayonet protrusion 11, can guarantee the anti-separation ability of both and have a certain waterproof effect. The sealing ring 35 is in interference with the outer tube 1, can effectively seal the detonating agent 2, the fastening ring on the injection molding 3 can relatively fix the injection molding 3 and the outer tube 1, and guarantees that the control circuit 4 in the injection molding 3 will not be loose in the process of transfer and transportation.

[0127] Finally, it is to be explained that the above embodiments are only used to illustrate the technical solutions of the utility model and not to limit, although the utility model is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions, and all should be covered in the claim range of the utility model.

Claims

1. A quick connect electronic detonator, characterized in that, The utility model relates to a kind of detonator, including: Outer tube, head end opening, tail end closed; Initiating explosive, set in outer tube bottom; Injection gluing, tail portion is sleeved in outer tube, its head end opening, tail end closed;The outer tube is sealed with the joint of initiating explosive and control circuit; Control circuit, set in injection gluing, its transducer element is located in initiating explosive by passing through injection gluing tail end; First plug-in part, set in injection gluing head, with control circuit electric connection; Foot line spare, tail end is provided with external connection wire; Second plug-in part, set in the head of foot line spare, with external connection wire electric connection, with the structure matching of first plug-in part; When the first plug-in part and second plug-in part are plugged, the head of injection gluing and the head of foot line spare are sealed.

2. The quick connect electronic detonator according to claim 1, wherein, The head of the foot line spare is provided with a step portion, and the step portion is coaxially arranged at the head end of the foot line spare. The step portion is provided with a first annular groove, and the first annular groove is provided with a first annular sealing ring. When the first plug-in part and second plug-in part are plugged, the head of injection gluing is sleeved on the head of foot line spare, and the inner wall of injection gluing is pressed against the first annular sealing ring to seal the head of injection gluing.

3. The quick connect electronic detonator of claim 1, wherein, The head of the injection gluing is provided with an annular protrusion. When the first plug-in part and second plug-in part are plugged, the outer ring surface of the annular protrusion is in abutment with the outer side surface of the head end of the step portion.

4. The quick-service electronic detonator according to claim 1, characterized in that, The head end of the first plug-in part is provided with an inner groove coaxial with the axis of the first plug-in part.

5. The quick connect electronic detonator according to any one of claims 1-4, wherein, When the first plug-in part and second plug-in part are plugged, the head end of the second plug-in part is inserted into the inner groove of the first plug-in part, and the protruding column is located in the plug-in hole. The outer surface of the foot line spare is provided with an annular clamping groove. The inner wall of the injection gluing is provided with an annular clamping protrusion matching the annular clamping groove.

6. The quick-service electronic detonator according to claim 1, characterized in that, The outer side surface of the annular clamping protrusion is provided with a guide inclined surface. When the first plug-in part and second plug-in part are plugged, the annular clamping protrusion is located in the annular clamping groove to limit the injection gluing and the foot line spare.

7. The quick connect electronic detonator according to any one of claims 1-4, 6, wherein, The end surface of the head end of the outer tube is provided with a tubular annular bayonet portion, and the longitudinal section of the annular bayonet portion is wavy. The outer surface of the foot line spare is provided with a first limiting protrusion. When the first plug-in part and second plug-in part are plugged, the annular bayonet portion is sleeved on the outer surface of the foot line spare, and the annular bayonet portion is in sealed interference fit with the outer surface of the foot line spare. The head of the injection gluing is provided with a second annular groove. The head end of the foot line spare is provided with a plug-in groove, and the second plug-in part is arranged in the plug-in groove of the foot line spare. When the first plug-in part and second plug-in part are plugged, the head of the injection gluing is sleeved in the head of the foot line spare, and the second annular sealing ring is pressed against the inner wall of the foot line spare to seal the head of the foot line spare. The inner wall of the head end of the outer tube is provided with a plurality of annular bayonet protrusions spaced from each other. The longitudinal section of the bayonet protrusion is triangular, and the sharp portion points to the axis of the outer tube. The head end of the injection-molded rubber is provided with a second limiting protrusion; When the first and second plug-in parts are plugged, the bayonet protrusion is sleeved on the outer surface of the injection-molded head, and the outer surface of the injection-molded head is in sealed interference fit with the bayonet protrusion, and the head end surface of the outer tube abuts against the side surface of the second limiting protrusion.

8. The quick-service electronic detonator according to claim 6, characterized in that, When the first and second plug-in parts are plugged, the head of the outer tube is sleeved on the outer surface of the injection-molded head; Further comprising: The foot line tube is sleeved on the outer surface of the foot line part, and the tail end is provided with a through hole through which the external wire passes; the head end is sleeved on the outer surface of the head of the outer tube, and the head of the outer tube and the head of the injection-molded rubber are shielded; The sealing ring is sleeved on the head outer surface of the foot line tube, and is in extrusion fit with the head of the foot line tube, so as to seal the foot line tube and the outer surface of the head of the outer tube.

9. The quick-service electronic detonator according to any one of claims 1-4, 6, 8, characterized in that, The tail end of the injection-molded rubber is provided with an annular sealing ring, and the head end of the injection-molded rubber is provided with a plurality of annular fastening rings along the axial direction; when the injection-molded rubber is sleeved in the outer tube, the sealing ring and the fastening ring are in seamless extrusion fit with the inner wall of the outer tube.

10. The quick connect electronic detonator of claim 9, wherein, The sealing ring is provided with an exhaust groove, and the axial direction of the exhaust groove is arranged at an angle with the axis of the injection-molded rubber; the fastening ring is provided with a notch; the notches of adjacent fastening rings are arranged in a staggered manner.

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