CN202372070U

CN202372070U - Weld assembly for digital electronic detonator leg wires

Info

Publication number: CN202372070U
Application number: CN2011205452257U
Authority: CN
Inventors: 李长军; 李代万; 王大志; 赵玉静
Original assignee: BEIJING WEISHEN GUOTAI TECHNOLOGY CO LTD
Current assignee: Rongguisichuang (Beijing) Science & Technology Co., Ltd.
Priority date: 2011-12-23
Filing date: 2011-12-23
Publication date: 2012-08-08
Anticipated expiration: 2021-12-23

Abstract

The utility model discloses a weld assembly for digital electronic detonator leg wires. The weld assembly comprises a circuit board, metal pieces and leg wires. Grooves and through holes, which are matched with the metal pieces, are formed on the circuit board; the metal pieces consist of three parts, namely a groove part, a support part and a bending part; the groove part is matched with the grooves on the circuit board; the leg wires are placed in the groove part, and are electrically connected with the metal pieces through welding; the depth of the groove part is the sum of one half of the thickness of the circuit board and the radius of the leg wire; the support part is positioned in the groove part along two sides of the leg wire, and is electrically connected with the circuit board through a pad of the groove on the circuit board along two sides of the leg wire; the bending part comprises a first component which is connected with the groove part and vertical to the groove part, and a second component which is connected with the first component; and the second component penetrates through the through hole on the circuit board, is electrically connected with the circuit board through welding, and is buckled on the back of the circuit board through manual bending.

Description

A kind of digital electric detonator payment to a porter weld assembly

Technical field

The utility model relates to priming system manufacturing technology field, particularly a kind of digital electric detonator payment to a porter weld assembly.

Background technology

Digital electric detonator comprises shell 1, circuit board 2, bridge silk 3, payment to a porter 4, stopper 5 etc., and accompanying drawing 1 is seen in its position relation signal.Shell is generally metal shell; In circuit board is arranged; Be welded with holding circuit that control chip, electronic devices and components form, accumulator, firing circuit, auxiliary circuit etc. on the circuit board, bridge silk, payment to a porter lay respectively at the two ends of circuit board, and payment to a porter is passed stopper and extended to housing exterior.

In the prior art, payment to a porter is through on the pad that is welded on the circuit board surface fixed position, and realization is electrically connected with circuit board, so payment to a porter and circuit board disalignment.Application demand decision, shell is elongated, fits in the process of shell at circuit board, because payment to a porter and circuit board disalignment are not easy to operate, and when pushing hard, because active force is eccentric, causes device failure easily, influences the stability of system.

Summary of the invention

In order to solve payment to a porter and circuit board disalignment; Not easy to operate in the assembling process; Because active force is eccentric, cause the problem of device failure easily, the utility model provides a kind of digital electric detonator payment to a porter weld assembly; Comprise circuit board, metalwork, payment to a porter, be designed with groove and via hole on the said circuit board with the metalwork coupling; Said metalwork is made up of three parts, is respectively concave part, support portion, kink; Groove coupling on said concave part and the circuit board; Said payment to a porter is positioned in the concave part, and through welding, realization is electrically connected with metalwork; The degree of depth of concave part is, the half the and payment to a porter radius of circuit board thickness add with; Said support zone is in the both sides of concave part along the payment to a porter direction, and through the pad of circuit board upper groove along payment to a porter direction both sides, realization is electrically connected with circuit board; Said kink comprises and linking to each other with concave part and perpendicular to the parts one of concave part, and the parts two that link to each other with parts one; Said parts two pass the via hole on the circuit board, and through welding, realization is electrically connected with circuit board, and can be buckled in back of circuit board through artificial bending.

Groove on the said circuit board and via hole have two respectively; Said metalwork has two; Said payment to a porter has two.

Groove on the said circuit board is a rectangular channel; Groove is vertically along the payment to a porter direction, with the payment to a porter vertical direction be horizontal; Laterally the side away from via hole overlaps with board edge.

Via hole on the said circuit board is the rectangle via hole; Via hole is vertically along the payment to a porter direction, with the payment to a porter vertical direction be horizontal; Via hole longitudinal size and kink sheet thicknesses coupling, lateral dimension and groove lateral dimension coupling.

Said concave part is half-cylindrical, and said parts one are the semicircles of mating with semi-cylindrical recesses portion.

Said concave part is a U-shaped, and said parts one are the U-shapeds that matees with the U-shaped concave part.

Said parts two are trapezoidal.

Said metalwork material is a steel.

Said metalwork material is a copper.

Can be known that by technique scheme the utility model is through increasing a metalwork on circuit board, circuit board and metalwork are realized being electrically connected; The mode that metalwork and payment to a porter realization are electrically connected has realized that the payment to a porter center overlaps with the circuit board mid-depth, has realized that promptly payment to a porter and circuit board are coaxial; Thereby when having solved payment to a porter and circuit board disalignment; Not easy to operate in the assembling process, because active force is eccentric, cause the problem of device failure easily.

Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.

Description of drawings

Fig. 1 forms structural representation for the digital electric detonator that the utility model background technology is mentioned;

Fig. 2 is the composition structural representation of the said digital electric detonator payment to a porter of the utility model weld assembly;

Fig. 3 is that the structure and the position of said circuit board of the utility model and metalwork concerns sketch map;

Fig. 4 is the vertical view of the said metalwork of the utility model;

Fig. 5 is the side view of the said metalwork of the utility model;

Fig. 6 is semi-cylindrical front view for the concave part of the said metalwork of the utility model;

Fig. 7 is the front view of U-shaped for the concave part of the said metalwork of the utility model;

Fig. 8 is that the concave part of the said metalwork of the utility model is half round post, and payment to a porter and circuit board are realized coaxial sketch map;

Fig. 9 is a U-shaped for the concave part of the said metalwork of the utility model, and payment to a porter realizes coaxial sketch map with circuit board.

The specific embodiment

Fig. 2 is the composition structural representation of the said digital electric detonator payment to a porter of the utility model weld assembly.

Said digital electric detonator payment to a porter weld assembly comprises circuit board 21, metalwork 22, payment to a porter 23.

Be designed with groove 211 and via hole 212 on the circuit board 21 with metalwork 22 couplings.

Fig. 3 is that the structure and the position of said circuit board of the utility model and metalwork concerns sketch map.

Metalwork 22 is made up of three parts, is respectively concave part 31, support portion 32, kink 33.

Kink 33 comprises and linking to each other with concave part 31 and perpendicular to the parts 1 of concave part 31, and the parts 2 332 that link to each other with parts 1.

Groove 211 couplings on concave part 31 and the circuit board 21.Payment to a porter 23 is positioned in the concave part 31, and through welding, realization is electrically connected with metalwork 22.

Support portion 32 is positioned at the both sides of concave part 31 along payment to a porter 23 directions, and through the pad of circuit board 21 upper grooves 211 along payment to a porter 23 direction both sides, realization is electrically connected with circuit board 21.

Parts 2 332 pass the via hole 212 on the circuit board 21, and through welding, realization is electrically connected with circuit board 21, and can be buckled in circuit board 21 back sides through artificial bending.

Groove 211 and via hole 212 on the circuit board 21 have two respectively; Metalwork 22 has two; Payment to a porter 23 has two.

Groove 211 on the circuit board 21 is a rectangular channel; Groove 211 is vertically along payment to a porter 23 directions, with payment to a porter 23 vertical direction be horizontal; Horizontal a side and circuit board 21 coincident away from via hole 212.

Via hole 212 on the circuit board 21 is the rectangle via hole; Via hole 212 is vertically along payment to a porter 23 directions, with payment to a porter 23 vertical direction be horizontal; The parts 2 332 sheet thicknesses coupling of via hole 212 longitudinal sizes and kink 33, lateral dimension and groove 211 lateral dimensions coupling.

Fig. 4 is the vertical view of the said metalwork of the utility model.

Fig. 5 is the side view of the said metalwork of the utility model.

Concave part 31 is half-cylindrical, and said parts 1 are the semicircles of mating with semi-cylindrical recesses portion 31.

Fig. 6 is semi-cylindrical front view for the concave part of the said metalwork of the utility model.

Said concave part 31 is U-shapeds, and said parts 1 are the U-shapeds that mate with U-shaped concave part 31.

Fig. 7 is the front view of U-shaped for the concave part of the said metalwork of the utility model.

Said parts 2 332 are trapezoidal.

Said metalwork 22 materials are steel.

Said metalwork 22 materials are copper.

Fig. 8 is that the concave part of the said metalwork of the utility model is half round post, and payment to a porter and circuit board are realized coaxial sketch map.

The degree of depth of concave part 31 is, half the and payment to a porter 23 radiuses of circuit board 21 thickness add with.

Claims

1. a digital electric detonator payment to a porter weld assembly comprises circuit board, metalwork, payment to a porter, it is characterized in that:

Be designed with groove and via hole on the said circuit board with the metalwork coupling;

Said metalwork is made up of three parts, is respectively concave part, support portion, kink;

Groove coupling on said concave part and the circuit board;

Said payment to a porter is positioned in the concave part, and through welding, realization is electrically connected with metalwork;

The degree of depth of concave part is, the half the and payment to a porter radius of circuit board thickness add with;

Said support zone is in the both sides of concave part along the payment to a porter direction, and through the pad of circuit board upper groove along payment to a porter direction both sides, realization is electrically connected with circuit board;

Said kink comprises and linking to each other with concave part and perpendicular to the parts one of concave part, and the parts two that link to each other with parts one;

Said parts two pass the via hole on the circuit board, and through welding, realization is electrically connected with circuit board, and can be buckled in back of circuit board through artificial bending.

2. digital electric detonator payment to a porter weld assembly according to claim 1 is characterized in that:

Groove on the said circuit board and via hole have two respectively;

Said metalwork has two;

Said payment to a porter has two.

3. digital electric detonator payment to a porter weld assembly according to claim 1 is characterized in that:

Groove on the said circuit board is a rectangular channel;

Groove is vertically along the payment to a porter direction, with the payment to a porter vertical direction be horizontal;

Laterally the side away from via hole overlaps with board edge.

4. digital electric detonator payment to a porter weld assembly according to claim 1 is characterized in that:

Via hole on the said circuit board is the rectangle via hole;

Via hole is vertically along the payment to a porter direction, with the payment to a porter vertical direction be horizontal;

Via hole longitudinal size and kink sheet thicknesses coupling, lateral dimension and groove lateral dimension coupling.

5. digital electric detonator payment to a porter weld assembly according to claim 1 is characterized in that:

6. digital electric detonator payment to a porter weld assembly according to claim 1 is characterized in that:

7. digital electric detonator payment to a porter weld assembly according to claim 1 is characterized in that:

Said parts two are trapezoidal.

8. digital electric detonator payment to a porter weld assembly according to claim 1 is characterized in that:

Said metalwork material is a steel.

9. digital electric detonator payment to a porter weld assembly according to claim 1 is characterized in that:

Said metalwork material is a copper.