CN201600098U - Ignition network connecting block double-layer locking device - Google Patents

Abstract

The utility model relates to an explosive material product, in particular to an ignition network connecting block double-layer locking device, which is characterized in that one end of a main part is a thread jamming end; the other end of the main part is a locking end; the locking end and the thread jamming end are communicated through an inner channel; the shape and the size of the inner channel match with the shape and the size of a primer detonator; the inner channel is used for containing the primer detonator; a pair of inverted hooks on the inner side of the locking end is positioned at the position of an inlet of a double-layer locking clamp part; the pair of inverted hooks on the inner side is of elastic structures; a fixed cover is sleeved outside the double-layer locking clamp part; an upper boss and a lower boss which are symmetric are arranged inside the fixed cover; and the bosses are engaged, meshed and locked with an upper outer boss and a lower outer boss which are symmetric and arranged on the double-layer locking clamp part. The ignition network connecting block double-layer locking device has the advantages that the locking end is reliable in locking and not easy to loose, a detonating tube at the thread jamming end is clamped into a hook opening and not easy to be damaged, and the detonating tube is easy to be taken out after being clamped into the hook opening.

Description

The double-deck locking device of detonating network connecting block

Technical field

The utility model relates to a kind of explosive product, the double-deck locking device of particularly a kind of detonating network connecting block.

Background technology

In the explosive product, the contiguous block spare that is used for the signal transmission of plastic detonating tube and detonator lead-in wire, present known technology such as its application number of Chinese patent: 200710018370.8 is disclosed, keyed end has wherein adopted the fastening mode of one-way spiral, kayser has been carried out in end to detonating capsule, this locking device is loosening owing to the mode that adopts screw-tightened can produce the spiral screw thread unavoidably in practical operation, and what cause can't reach locking effect.Its two cards line end adopts the inlet wire formula device that has shell fragment, form self-locking after can making plastic detonating tube enter card line end holddown groove, but because minimum mouth of hook width is less than the external diameter of signal transmssion line, thereby may cause when causing plastic detonating tube to snap in the mouth of hook damaging, influence whole explosion, and signal transmssion line snaps in and is difficult to behind the holddown groove take out.

Summary of the invention

In order to overcome the problem in the former technology, the utility model provide a kind of keyed end locking reliable, be difficult for producing loosening, it is not fragile that the detonator of card line end snaps in the mouth of hook, and be easy to the double-deck locking device of detonating network connecting block that takes out after packing into.

The technical scheme that its technical problem that solves the utility model adopts is: the double-deck locking device of detonating network connecting block, it is characterized in that: body member one end is the card line end, the other end is a keyed end, keyed end card line end is by internal channel UNICOM, and the shape and size of internal channel match with the shape and size of detonating capsule and are used to hold detonating capsule; The inboard a pair of overhead kick of keyed end is positioned at double-deck tight latch import department, inboard a pair of overhead kick is an elastic construction, one fixed cap is socketed in outside the double-deck tight latch, and the last lower convex platform of symmetry is arranged in the fixed cap, the fit engagement of the outer lug boss up and down locking of boss and double-deck tight latch symmetry.

Described card line end comprises bent beam, one end and the body member of bent beam connect as one, the bent beam other end is open port organization, port organization has the grab of an ecto-entad, the port that passage leads to the card line end has one and the corresponding coupler body of grab, the bent beam bending is stuck on the coupler body grab, and when grab was not connected with coupler body, the bent beam intrados formed unlimited cavity; Bent beam is connected with grab, forms closed arc-shaped cavity.

The port of described card line end passage has holddown groove, and the notch of holddown groove has coupler body.

Described grab is a kind of bidentate shape elastic component.

The beneficial effects of the utility model are: because body member one end is the card line end, the other end is a keyed end, and the card line end is used for fixing detonator; Keyed end is used to lock detonating capsule and prevents coming off of detonating capsule; Keyed end passes through internal channel UNICOM with the card line end, and the shape and size of internal channel match with the shape and size of detonating capsule and are used to hold detonating capsule; After detonating capsule is inserted into the card line end from the keyed end feeder connection, the detonating capsule port section just in time is stuck in the inboard a pair of overhead kick of keyed end, the inboard a pair of overhead kick of keyed end is positioned at double-deck tight latch import department, inboard a pair of overhead kick is an elastic construction, and the realization keyed end is tightly locked the detonating capsule ground floor; One fixed cap is socketed in outside the double-deck tight latch, the last lower convex platform that symmetry is arranged in the fixed cap, boss is locked with the fit engagement of outer lug boss up and down of double-deck tight latch symmetry, and fixed cap connects as one keyed end and detonating capsule, realizes the detonating capsule second layer is tightly locked.This just makes detonating capsule obtain double-deck tight lock, and the fastening cover difficult drop-off in the fastener outside has simultaneously guaranteed the fastness of every layer of locking device.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the utility model example structure generalized section;

Fig. 2 is the utility model keyed end generalized section;

Fig. 3 A is outer grab schematic diagram when depressing with interior grab chucking;

Fig. 3 B makes transmission line be clamped on the interior schematic diagram of arc-shaped cavity;

Fig. 4 A and Fig. 4 B are another kind of embodiment user mode schematic diagrames.

Among the figure: 1, body member; 2, passage; 3, detonating capsule; 4, fixed cap; 5, open wide cavity; 6, double-deck tight latch; 7, keyed end; 8, plastic detonating tube; 9, grab; 10, coupler body; 11, overhead kick; 12, boss; 13, outer lug boss; 14, card line end; 15, closed arc-shaped cavity; 16, bent beam; 17, detonator inlet port; 18, holddown groove; 19, elastic component.

The specific embodiment

As shown in Figure 1, body member 1 is the integrative-structure of the cuboid that is made of keyed end, changeover portion and card line end, and card line end 14 is used for fixing detonator 8; Keyed end 7 is used to lock detonating capsule 3 and prevents coming off of detonating capsule 3; Changeover portion is used to connect keyed end 7 and card line end 14, changeover portion has hollow passage 2, be used to make detonating capsule 3 to enter into card line end 14 from keyed end 7, card line end 14 is detonator 8 fixedly, and the size and dimension of passage 2 matches with detonating capsule 3 and is used to hold such detonating capsule.

The keyed end 7 of body member 1 is the passage 2 of detonating capsule 3 to card line end 14.The length and the profile of the size of passage 2 and internal diameter and detonating capsule 3 are complementary, and be convenient to detonator fixing when inserting initially is installed.Detonating capsule 3 closes on the end increases bulge-structure, and after detonating capsule 3 inserted passage 2, detonating capsule 3 projectioies realized once tightly lock with inboard up and down a pair of overhead kick 11 clampings of the clip of dehiscing.Fixed cap 4 is placed on the double-deck tight latch 6 or the clip of dehiscing outward, boss 12 by the fixed cap inboard is tightly locked detonating capsule 3 once more with the outer lug boss 13 of keyed end 7, thereby detonating capsule 3 is fixed on the double-deck tight lock of realization in the passage 2, ignites the plastic detonating tube 8 that blocks line end 14 by detonating capsule 3.

As shown in Figure 2, keyed end 7 has inside and outside double-deck tight latch 6.Double-deck tight latch 6 constitutes symmetrical structure by last clip and following clip, and last clip and following clip respectively have a horizontal section of stretching and horizontal direction slope expending section, the inboard narrower clip of dehiscing of the wide inner opening of outer opening that forms of horizontal section of stretching and horizontal direction slope expending section.The inboard that the horizontal section of stretching is connected with the horizontal direction slope expending section forms a pair of overhead kick 11, and the outside forms outer lug boss 13, and outer lug boss 13 cooperates with the interior shape boss 12 of the fixed cap of fixed cap 4, fixed cap 4 is enclosed within dehisces to tighten mutually when clip is inwardly exerted oneself.

The card line end of body member 1 as shown in Figure 2, card line end 14 comprise can be crooked bent beam 16, one end and the body member 1 of bent beam 16 connect as one, bent beam 16 other ends are open port organization, port organization has the grab 9 of an ecto-entad, and the port that passage 2 leads to card line end 14 has one and grab 9 corresponding coupler bodies 10, and bent beam 16 bendings can make grab 9 be stuck on the coupler body 10, when grab 9 was not connected with coupler body 10, bent beam 16 intrados formed and open wide cavity 5; Bent beam 16 is connected with grab 9, forms closed arc-shaped cavity 15; After detonator enters unlimited cavity 5 by detonator inlet port 17 during use, make the grab 9 of bent beam 16 1 sides and body member 1 upper hook body 10 locking backs form closed arc-shaped cavity 15, closed arc-shaped cavity 15 can be fixed one or more detonator 8; One or more detonator 8 in the closed arc-shaped cavity 15 of card line end is the time break transmission relation with a detonating capsule 3 of vertically going up in the passage that stretches.

Grab 9 is a kind of bidentate shape elastic components 19, and in the time of in detonator 8 is clamped on the closed arc-shaped cavity 15 that is formed by bent beam 16, elastic component 19 can unclamp up and down with coupler body 10.In order to make grab 9 and coupler body 10 effective screens, the coupler body 10 of the port of passage 2 is spacing in holddown groove 18.

Fig. 3 A is outer grab schematic diagram when depressing with interior grab chucking, and Fig. 3 B makes transmission line be clamped on schematic diagram in the arc-shaped cavity.The port that changeover portion or passage 2 lead to card line end 14 has one and grab 9 corresponding coupler bodies 10, and bent beam 16 bendings can make grab 9 be stuck on the coupler body 10, and detonator 8 is clamped in the closed arc-shaped cavity 15.

Fig. 4 A and Fig. 4 B are another kind of embodiment user mode schematic diagrames, different with Fig. 3 A with Fig. 3 B, the port of passage 2 has in the holddown groove 18, the notch of holddown groove 18 has coupler body 10, the crooked mouth of bent beam 16 has grab 9, bent beam 16 bendings can make grab 9 be stuck on the coupler body 10, and detonator 8 is clamped in the closed arc-shaped cavity 15.

Claims (4)

1. the double-deck locking device of detonating network connecting block, it is characterized in that: body member (1) one end is card line end (14), the other end is keyed end (7), keyed end (7) card line end (14) is by internal channel (2) UNICOM, and the shape and size of internal channel (2) match with the shape and size of detonating capsule (3) and are used to hold detonating capsule (3); The inboard a pair of overhead kick of keyed end (7) (11) is positioned at double-deck tight latch (6) import department, inboard a pair of overhead kick (11) is an elastic construction, one fixed cap (4) is socketed in outside the double-deck tight latch (6), the last lower convex platform (12) that symmetry is arranged in the fixed cap (4), outer lug boss up and down (13) the fit engagement locking that boss (12) is symmetrical with double-deck tight latch (6).

2. the double-deck locking device of detonating network connecting block according to claim 1, it is characterized in that: described card line end (14) comprises bent beam (16), one end of bent beam (16) and body member (1) connect as one, bent beam (16) other end is open port organization, port organization has the grab (9) of an ecto-entad, the port that passage 2 leads to card line end (14) has one and the corresponding coupler body of grab (9) (10), bent beam (16) bending is stuck on the coupler body (10) grab (9), grab (9) and coupler body (10) be not when being connected, and bent beam (16) intrados forms unlimited cavity (5); Bent beam (16) is connected with grab (9), forms closed arc-shaped cavity (15).

3. the double-deck locking device of detonating network connecting block according to claim 1, it is characterized in that: the port of described card line end (14) passage (2) has holddown groove (18), and the notch of holddown groove (18) has coupler body (10).

4. the double-deck locking device of detonating network connecting block according to claim 1, it is characterized in that: described grab (9) is a kind of bidentate shape elastic component (19).

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