CN211314439U - Small-sized igniter - Google Patents
Small-sized igniter Download PDFInfo
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- CN211314439U CN211314439U CN201921147348.8U CN201921147348U CN211314439U CN 211314439 U CN211314439 U CN 211314439U CN 201921147348 U CN201921147348 U CN 201921147348U CN 211314439 U CN211314439 U CN 211314439U
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- lug
- joint
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Abstract
The utility model discloses a small igniter, which comprises a shell; the charging coil is arranged in the shell; the sub-slot coil is clamped on the charging coil, a through slot is arranged at the central part of the sub-slot coil, the bottom of the sub-slot coil extends outwards to form an extending part, and a lug plate and a contact pin are arranged on the extending part; the terminal, with divide the groove coil to link to each other, including the column casing, locate the joint in the column casing, with the terminal lug that links to each other of this joint, this column casing lower part outwards extends and is formed with grafting portion, is equipped with on this grafting portion and supplies lug male open slot, when the lug inserts in the open slot, the terminal lug with the contact pilotage contacts. The utility model discloses well terminal and the mode that divides the groove coil to adopt the grafting realize the assembly, and the welding can go on after the lug inserts to the open slot in, and then whole assembling process all can adopt the automation to install, has improved efficiency, has reduced the cost of labor, has improved welding quality.
Description
Technical Field
The utility model belongs to the technical field of some firearm, especially, relate to a small-size point firearm.
Background
When the grooving coil of traditional gasoline engine point firearm links to each other with the terminal, need will be around scattering at the enameled wire of grooving coil tail end, insert the groove of terminal with the lug of grooving coil again, will divide the grooving line tail to wrap back on the lug at last, pull out unnecessary line tail, weld at last. In this way, the operation is complicated and the efficiency is low; and the operation can be finished only by adopting a manual mode, so that the labor cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome prior art not enough, provide an adaptation automatic assembly, recruitment are with low costs point firearm.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a compact igniter comprising
The center of the bottom of the shell is provided with an opening;
the charging coil is arranged in the shell, and the central part of the charging coil is provided with a through hole;
the sub-slot coil is clamped on the charging coil, a through slot is arranged at the central part of the sub-slot coil, the bottom of the sub-slot coil extends outwards to form an extending part, and a lug plate and a contact pin are arranged on the extending part;
the wiring terminal is connected with the slotted coil and comprises a column casing, a joint arranged in the column casing and a wiring column sheet connected with the joint, wherein the lower part of the column casing extends outwards to form a plugging part, the plugging part is provided with an open slot for the wiring sheet to be inserted into, and when the wiring sheet is inserted into the open slot, the wiring column sheet is contacted with the contact pin;
and the circuit board is connected with the sub-slot coil and the charging coil.
The utility model discloses in set up the lug on dividing the groove coil, also corresponding on the terminal has set up the open slot, and then the terminal can adopt the mode of pegging graft to realize the assembly with dividing the groove coil, the lug is after inserting to the open slot, the open slot can carry on spacingly to the enameled wire that twines on it, guarantee that the enameled wire can not scatter, thereby the welding can be gone on after the lug inserts to the open slot, and then the whole assembly process can all adopt automation to install, has improved efficiency, has reduced the cost of labor, has improved welding quality; because the lug plate penetrates into the open slot, and then the gap space between the sub-slot coil and the binding post is reduced, the igniter is integrally more compact, the size is reduced, and the light weight of the whole engine plays an important role.
Further, an arc-shaped opening is formed in the side wall of the lower portion of the column casing and communicated with the open slot; the open-ended setting, the welder of being convenient for stretches into for welding operation is more convenient, promotes welding quality.
Furthermore, a disc is arranged at the lower part of the joint, the terminal lug is connected with the disc, and a through cavity for the lower part of the joint to penetrate is arranged at the lower part of the column casing; the position of the joint is firmly positioned, the position deviation is avoided, and the contact between the wire column piece and the contact pin is ensured.
Furthermore, a flameout sheet is arranged on the circuit board, is in an L-shaped structure and is provided with a first connecting end and a second connecting end, and a pin connected with the circuit board is arranged on the flameout sheet; the first connecting end is provided with a first connecting hole, the second connecting end penetrates into the slot dividing coil, and the second connecting end is provided with a second connecting hole; carry out position location through this flame-out piece to the slotted coil, guarantee opening on the shell, the through-hole on the charging coil, the logical groove on the slotted coil remain throughout in the alignment position, make things convenient for the insertion of later stage iron core, improve the assembly precision.
Further, an iron core and a grounding piece are arranged on the slotted coil, the iron core is provided with a first bending section and a second bending section, and the first bending section penetrates through the through groove, the through hole and the opening; a positioning convex part is arranged on the iron core, and a positioning slot is formed between the side wall of the positioning convex part and the side wall of the first bending section; the grounding sheet is provided with a limiting clamping part which can be inserted into the positioning slot; the connection fit between the iron core and the grounding piece is adjusted to be clamping fit through the arrangement of the limiting clamping part and the positioning slot, and then when the grounding piece is machined, the iron core is only required to be placed at an appointed position, the shell is assembled on a part, and then the iron core is assembled in a stamping mode, so that the operation is simple and convenient, the shell and the grounding piece can be assembled simultaneously through one-time stamping operation, the grounding piece does not need to be welded or riveted independently within time, the machining efficiency is high, and the cost is reduced; and in addition, the iron core is stably connected in a stamping mode, and the fault rate is low.
Furthermore, a clamping flange is arranged on the upper surface of the shell, and a slot for inserting the clamping flange is formed in the bending position of the second bending section; under this kind of mode, grounding lug and shell are the iron core and fix a position, convert two point location into by the single point location, and the location effect is more good, and the iron core is difficult for appearing the offset in the punching press assembling process.
To sum up, the utility model discloses well terminal and the mode that divides the groove coil to adopt the grafting realize the assembly, and the welding can go on after the lug inserts to the open slot in, and then whole assembling process all can adopt the automation to install, has improved efficiency, has reduced the cost of labor, has improved welding quality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a perspective view of the present invention with the outer shell removed.
Fig. 3 is a schematic structural view of the flameout sheet of the present invention.
Fig. 4 is an exploded view of the present invention.
Fig. 5 is a schematic structural diagram of the middle iron core of the present invention.
Fig. 6 is a schematic structural view of the middle grounding plate of the present invention.
Fig. 7 is a partially enlarged view of fig. 4.
Fig. 8 is a perspective view of fig. 2.
Detailed Description
In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.
As shown in fig. 1-8, a small igniter comprises a shell 1, a charging coil 2, a slotted coil 3, a binding post 4, a circuit board 5, an iron core 6 and a grounding strip 7, wherein both the slotted coil 3 and the charging coil 2 are connected with the circuit board 5; the shell 1 is made of plastic, and a square opening is formed in the center of the bottom of the shell; the charging coil 2 is arranged in the shell, and a square through hole 21 is formed in the central part of the charging coil 2; the sub-slot coil 3 is clamped on the charging coil 2, and a through slot 31 is arranged at the central part of the sub-slot coil; the bottom of the sub-slot coil 3 extends outwards to form a block-shaped extension 33, one side surface of the extension 33 is provided with a lug 331, the end of the lug 331 is provided with a strip-shaped opening, so that an enameled wire can be wound on the lug, and the other side surface of the extension is provided with a contact pin 332.
The binding post 4 is connected with the slotted coil 3, and specifically comprises a column casing 41, a joint 42 arranged in the column casing, and a binding post sheet 43 connected with the joint, wherein the lower part of the column casing 41 extends outwards to form a block-shaped plugging part 411, the plugging part 411 is provided with an open slot 412 for plugging the binding post sheet, and when the binding post sheet 43 is plugged into the open slot 412, the binding post sheet 43 is contacted with the contact pin 332; preferably, a disc 421 is formed at the lower part of the joint 42, the terminal stud 43 is fixedly connected with the disc 421 by welding, and a through cavity for the lower part of the joint 42 to penetrate is formed at the lower part of the column casing 41, so that the disc and part of the terminal stud 43 are fixed in the through cavity to avoid position movement; further, an arc-shaped opening 413 is formed in a side wall of the lower portion of the column casing 41, and the opening 413 is communicated with the opening groove 412.
A metal flameout sheet 81 is arranged on the circuit board 5, the flameout sheet 81 is arranged in an L-shaped structure and has a first connecting end 811 and a second connecting end 812, wherein the first and second connecting ends refer to two ends of the flameout sheet respectively; a pin 813 connected with the circuit board is arranged on the flameout sheet 81 and penetrates into the circuit board; further, a first connection hole 814 is disposed on the first connection end 811, the second connection end 812 penetrates into the slot dividing coil 3, and a second connection hole 815 is disposed on the second connection end 812.
The iron core is provided with a first bending section 61 and a second bending section 62, and when the assembly is completed, the first bending section 61 penetrates through the through groove 31, the through hole 21 and the opening; preferably, the side wall of the iron core 6 extends outwards to form a block-shaped positioning convex part 63, and a positioning slot 64 is formed between the side wall of the positioning convex part 63 and the side wall of the first bending section 61; the upper surface of the shell 1 is provided with an upward convex clamping flange 12, the bending part of the second bending section 62 is provided with a slot 621 for the clamping flange to insert, and the shape and size of the slot and the clamping flange 12 are matched with each other.
The grounding sheet 7 is arranged on the slot dividing coil 3, part of the grounding sheet 7 is bent upwards to form a limiting clamping part 71, and the limiting clamping part 71 can be inserted into the positioning slot 64 to limit the iron core; preferably, a limit extending part 711 is formed at an upper portion of a side wall of the limit clip part 71 in a protruding manner, and an outer side wall of the limit extending part 711 is a curved surface structure, and when the assembly is completed, the positioning slot 64 is in interference fit with the limit extending part 711.
A first notch 121 for the second bending section 62 to be embedded is arranged on the side wall of the clamping flange 12, a second notch 13 for the second bending section 62 to be embedded is arranged on the side wall of the shell 1, and the first notch 121 and the second notch 13 are communicated with each other; further, a limiting opening 72 is formed in the grounding piece 7, a triangular limiting block 31 is arranged on the slotted coil 3, and when the assembly is completed, the triangular limiting block 31 is inserted into the limiting opening 72 to limit the position of the grounding piece 7; the grounding piece 7 is provided with a metal pin 73 at one end, the slotted coil 3 is provided with a through hole 32 for the pin to pass through, the circuit board 5 is provided with a socket for the pin to pass through, and the pin passes through the through hole 32 and then is inserted into the socket, so that the grounding piece is completely fixed on the slotted coil.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Claims (6)
1. A compact igniter, comprising: comprises that
The center of the bottom of the shell (1) is provided with an opening;
the charging coil (2) is arranged in the shell, and the central part of the charging coil is provided with a through hole (21);
the sub-slot coil (3) is clamped on the charging coil (2), a through slot (31) is arranged at the central part of the sub-slot coil, the bottom of the sub-slot coil (3) extends outwards to form an extending part (33), and a lug plate (331) and a contact pin (332) are arranged on the extending part (33);
the binding post (4) is connected with the slotted coil (3) and comprises a column barrel (41), a joint (42) arranged in the column barrel and a binding post sheet (43) connected with the joint, the lower part of the column barrel (41) extends outwards to form an insertion part (411), an open slot (412) for inserting the binding post sheet is formed in the insertion part (411), and when the binding post sheet (331) is inserted into the open slot (412), the binding post sheet (43) is contacted with the contact pin (332);
the circuit board (5), divide groove coil (3) and charging coil (2) all link to each other with it.
2. A compact igniter as defined in claim 1 wherein: an arc-shaped opening (413) is formed in the side wall of the lower portion of the column barrel (41), and the opening (413) is communicated with the opening groove (412).
3. A compact igniter as defined in claim 2 wherein: the lower part of the joint (42) is provided with a disc (421), the terminal lug (43) is connected with the disc (421), and the lower part of the column casing (41) is provided with a through cavity for the lower part of the joint (42) to penetrate.
4. A compact igniter as defined in claim 2 wherein: the circuit board (5) is provided with a flameout sheet (81), the flameout sheet (81) is arranged in an L-shaped structure and is provided with a first connecting end (811) and a second connecting end (812), and the flameout sheet (81) is provided with a pin (813) connected with the circuit board; the first connecting end (811) is provided with a first connecting hole (814), the second connecting end (812) penetrates into the slot dividing coil (3), and the second connecting end (812) is provided with a second connecting hole (815).
5. A compact igniter as defined in claim 4 wherein: an iron core (6) and a grounding piece (7) are arranged on the slotted coil, the iron core is provided with a first bending section (61) and a second bending section (62), and the first bending section (61) penetrates through the through groove (31), the through hole (21) and the opening; a positioning convex part (63) is arranged on the iron core (6), and a positioning slot (64) is formed between the side wall of the positioning convex part (63) and the side wall of the first bending section (61); the grounding sheet is provided with a limiting clamping part (71) which can be inserted into the positioning slot (64).
6. A compact igniter as defined in claim 5 wherein: the upper surface of the shell (1) is provided with a clamping flange (12), and the bending part of the second bending section (62) is provided with a slot (621) for the clamping flange to insert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921147348.8U CN211314439U (en) | 2019-07-19 | 2019-07-19 | Small-sized igniter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921147348.8U CN211314439U (en) | 2019-07-19 | 2019-07-19 | Small-sized igniter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314439U true CN211314439U (en) | 2020-08-21 |
Family
ID=72053005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921147348.8U Active CN211314439U (en) | 2019-07-19 | 2019-07-19 | Small-sized igniter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211314439U (en) |
-
2019
- 2019-07-19 CN CN201921147348.8U patent/CN211314439U/en active Active
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