CN218788870U

CN218788870U - Coil housing, trigger coil and electronic equipment

Info

Publication number: CN218788870U
Application number: CN202222407286.8U
Authority: CN
Inventors: 刘项
Original assignee: Shenzhen Baichen Manufacturing Co ltd
Current assignee: Shenzhen Baichen Manufacturing Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-04-04
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a coil shell, trigger coil and electronic equipment, wherein, the coil shell includes shell main part and a plurality of stitch, the shell main part has installation cavity and assembly hole, the assembly hole with the installation cavity intercommunication, the installation cavity is used for supplying trigger coil's coil pack into, and is a plurality of the stitch be used for with trigger coil's coil pack connects, in the shell main part and in the relative both sides of assembly hole all are equipped with the stitch, every the stitch all has the face of weld, and is a plurality of the face of weld of stitch is towards same one side, and all is used for the welding at the PCB board. The utility model discloses technical scheme can be convenient for trigger coil installation.

Description

Coil housing, trigger coil and electronic equipment

Technical Field

The utility model relates to a coil technical field, in particular to coil shell, trigger coil and electronic equipment.

Background

The trigger coil is mainly used for some elements requiring instantaneous high voltage, such as a flashlight of a road camera and an electronic depilating device. The trigger coil used in the market at present is of a plug-in structure, namely when the trigger coil is installed on a PCB, pins of the trigger coil need to be inserted into the PCB and then welded, and then the pins penetrating through the PCB are cut off, so that the operation is complex, manual operation is needed, and the installation efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coil shell aims at being convenient for trigger coil installation.

In order to achieve the above object, the utility model provides a coil shell, include:

the shell main body is provided with an installation cavity and an assembly port, the assembly port is communicated with the installation cavity, and the installation cavity is used for installing a coil assembly of the trigger coil; and

a plurality of stitchs, a plurality of stitchs are used for being connected with trigger coil's coil pack, and the shell main part is last and all is equipped with the stitch in the relative both sides of assembly mouth, and every stitch all has the face of weld, and the face of weld orientation of a plurality of stitches is same one side, and all is used for the welding at the PCB board.

Optionally, the welding surfaces of the plurality of pins are in the same plane; the welding surface of the pin is parallel to the end surface of the assembling opening.

Optionally, the welding surface is arranged to be convex compared with the plane where the assembling opening is located.

Optionally, the shell main body has two opposite side surfaces, the end surface where the assembling opening is located between the two side surfaces, and the pins are located on the side surfaces.

Optionally, the end face where the assembling port is located is provided with a wire passing groove corresponding to the position of each pin, and the wire passing groove penetrates through the inner wall and the side face of the mounting cavity.

Optionally, the groove bottom wall of the wire passing groove is provided with a guide inclined plane, a convex arc surface and a wire passing plane, the guide inclined plane, the convex arc surface and the wire passing plane are sequentially connected along the direction far away from the installation cavity, and the inclined plane gradually extends towards the direction far away from the assembly opening in the direction far away from the convex arc surface.

Optionally, two pins are respectively arranged on two opposite sides of the assembling opening, wherein at least three pins are used for connecting with the coil assembly of the trigger coil.

Optionally, each stitch includes an installation section, a connection section and a welding section, the installation section is located outside the shell main body and is spaced from the end face where the assembly opening is located, the connection section is connected to one end, away from the shell main body, of the installation section and extends in the direction of the end face where the assembly opening is located, the welding section is connected to one end, away from the installation section, of the connection section and extends in the direction of the end face away from the assembly opening, and the welding section has a welding face.

The utility model also provides a trigger coil, including coil pack and coil casing, coil pack locates coil casing's installation intracavity.

The utility model also provides an electronic equipment, including PCB board and trigger coil, trigger coil passes through the stitch and welds in the PCB board.

The utility model discloses technical scheme is through the assembly opening that is provided with installation cavity and intercommunication installation cavity in the shell main part, just all is equipped with the stitch in the relative both sides of assembly opening in the shell main part, and every stitch all has the face of weld, and makes the face of weld orientation of a plurality of stitches with one side. Therefore, the plurality of pins are positioned on the same side of the coil shell, and after the coil shell and the coil assembly are assembled to form the trigger coil, welding surfaces of the plurality of pins can be welded on the plate at the same time. Therefore, the trigger coil can be automatically installed on the PCB through the chip mounter, the trigger coil can be conveniently installed, the trigger coil pasting efficiency is improved, and the production cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a coil housing according to the present invention;

FIG. 2 is an enlarged schematic view of detail A of FIG. 1;

fig. 3 is a schematic diagram of the coil housing of fig. 1 mounted on a PCB structure.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Shell main body	143	Welding segment
11	Assembly opening	1431	Welding surface
				12	Mounting cavity	15	Wire passing groove
13	Side surface	151	Guide slope
				14	Stitch pin	152	Convex arc surface
141	Mounting segment	153	Wire-passing plane
				142	Connecting segment	20	PCB board

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the expression "and/or" as used throughout is meant to encompass three juxtaposed aspects, exemplified by "A and/or B", including either the A aspect, or the B aspect, or aspects in which both A and B are satisfied. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a coil shell for trigger coil.

In the embodiment of the present invention, as shown in fig. 1 to 3, the coil housing includes a housing main body 10 and a plurality of pins 14, the housing main body 10 has a mounting cavity 12 and an assembling port 11, the assembling port 11 is communicated with the mounting cavity 12, and the mounting cavity 12 is used for accommodating a coil component of a trigger coil; the plurality of pins 14 are used for being connected with the coil component of the trigger coil, the pins 14 are arranged on the shell main body 10 and on two opposite sides of the assembling port 11, each pin 14 is provided with a welding surface 1431, and the welding surfaces 1431 of the plurality of pins 14 face to the same side and are all used for being welded on the PCB 20.

Specifically, at least a portion of the welding surface 1431 of the plurality of pins 14 is located on the same side of the case main body 10 (the side where the assembling opening 11 is located). When the trigger coil is assembled, the coil assembly is installed in the installation cavity 12 of the shell main body 10 through the assembly opening 11 of the shell main body 10, a plurality of wires of the coil assembly extend out of the installation cavity 12, and the plurality of wires of the coil assembly are respectively connected with pins 14 on two sides of the assembly opening 11 through the assembly opening 11. When mounting, the soldering surface 1431 of each pin 14 is soldered by a chip mounter, and then the pins 14 at both sides of the mounting opening 11 on the case main body 10 are mounted at intervals by soldering to the PCB board 20 for stably supporting the case main body 10.

The utility model discloses technical scheme is through the assembly opening 11 that is provided with installation cavity 12 and intercommunication installation cavity 12 on shell main part 10, all is equipped with stitch 14 on shell main part 10 and in the relative both sides of assembly opening 11, and every stitch 14 all has weld face 1431, and makes weld face 1431 orientation of a plurality of stitches 14 with one side. That is, the plurality of pins 14 are located on the same side of the coil housing, and after the coil housing and the coil assembly are assembled to form the trigger coil, the soldering surfaces 1431 of the plurality of pins 14 can be soldered to the PCB 20 at the same time. Therefore, the trigger coil can be automatically installed on the PCB 20 through the chip mounter, the installation of the trigger coil is convenient, the board pasting efficiency of the trigger coil is improved, and the production cost is reduced.

In some embodiments, the welding surfaces 1431 of the plurality of stitches 14 are in the same plane. Specifically, the PCB 20 is a flat plate, and the plurality of soldering surfaces 1431 on the same plane make each soldering surface 1431 well attached to the PCB 20, so that the connection effect between the pins and the PCB 20 is good. Additionally, in other embodiments, the bonding surfaces 1431 of the plurality of stitches 14 are angled.

In some embodiments, the welding surface 1431 of the pin 14 is parallel to the end surface where the mounting opening 11 is located. Generally speaking, the coil housing is mostly of a regular block structure, so that when the trigger coil is mounted on the PCB 20, the coil housing is mounted on the PCB 20 positively to avoid the situation that the coil housing is inclined relative to the PCB 20 and occupies too much space on the PCB 20. In addition, in other embodiments, the welding surface 1431 of the pin 14 is arranged obliquely to the end surface where the fitting opening 11 is located.

In some embodiments, the welding surface 1431 is disposed to protrude from the plane of the mounting opening 11. Specifically, after the case main body 10 is mounted on the PCB 20, the mounting opening 11 has a space from the PCB 20, so that the coil assembly does not contact the PCB 20 to cause interference, and the mounting opening 11 having a space from the soldering surface 1431 does not affect the attachment of the protruding soldering surface 1431 to the PCB 20 when the case main body 10 is mounted. In addition, in other embodiments, the plane on which the welding surface 1431 is located is the same plane as the plane on which the assembling opening 11 is located.

In some embodiments, the housing body 10 has two opposite side surfaces 13, the end surface where the mounting opening 11 is located between the two side surfaces 13, and the pins 14 are located on the side surfaces 13. Specifically, the pins 14 not only connect the coil to the wire, but also support the case main body 10, and the pins 14 are mounted on the side surfaces 13 to better support the peripheral side of the case main body 10, so that the center of gravity of the case main body 10 is more stable after being soldered to the PCB 20. In addition, in other embodiments, the pins 14 are mounted on the end face of the mounting opening 11.

In some embodiments, the end face of the mounting opening 11 corresponding to each pin 14 is provided with a wire passing groove 15, and the wire passing groove 15 penetrates through the inner wall of the mounting cavity 12 and the side face 13. Specifically, the lead of the coil assembly extends out of the mounting cavity 12 and is connected with the pins 14 through the wire passing groove 15, and the structure that the wire passing groove 15 penetrates through the side surface 13 of the shell main body 10 enables the lead to be connected with the pins 14 without bypassing the assembly opening 11, so that the lead is prevented from contacting with the PCB 20 when bypassing the assembly opening 11. And glue can be filled in the wire passing groove 15, so that the wire is fixed in the wire passing groove 15 after the connecting pin 14 is extended out. In addition, in other embodiments, the case main body 10 is provided with a wire passing hole penetrating the inner wall of the mounting cavity 12 and the side surface 13.

In some embodiments, the groove bottom wall of the wire passing groove 15 has a guide inclined plane 151, a convex arc surface 152 and a wire passing plane 153, the guide inclined plane 151, the convex arc surface 152 and the wire passing plane 153 are sequentially connected in a direction away from the installation cavity 12, and the inclined plane gradually extends in an inclined manner in a direction away from the assembling opening in the direction away from the convex arc surface 152. Specifically, when the lead of the coil assembly passes through the gentle guide inclined plane 151, the trend of the lead is also gentle, so that the lead is prevented from being greatly bent to damage the lead. In addition, in other embodiments, the slot bottom wall of the wire passing slot 15 is parallel to the plane of the assembly opening 11.

In some embodiments, two pins 14 are provided on opposite sides of the mounting opening 11, wherein at least three pins 14 are used for connecting with the coil assembly of the trigger coil. Specifically, the structure of at least four pins 14 makes the shell main body 10 supported all around after welding, so that the shell main body 10 is stressed uniformly and installed more stably. Additionally, in other embodiments, the number of pins 14 is three.

In some embodiments, each pin 14 includes a mounting section 141, a connecting section 142 and a welding section 143, the mounting section 141 is disposed outside the casing main body 10 and spaced apart from the end face where the mounting opening 11 is located, the connecting section 142 is connected to an end of the mounting section 141 far away from the casing main body 10 and extends along a direction of the mounting section 141 pointing to the end face where the mounting opening 11 is located, the welding section 143 is connected to an end of the connecting section 142 far away from the mounting section 141 and extends in a direction far away from the mounting opening, and the welding section 143 has a welding surface 1431.

Specifically, the pins 14 are used for being connected with the wires of the coil assembly and supporting the housing main body 10, the mounting section 141 extends towards the outside of the housing main body 10, so that the supporting range of the pins 14 on the housing main body 10 after the housing main body 10 is welded is larger, and the sectional structure of the pins 14 makes each part of the pins 14 have a definite function, the wires of the coil assembly are connected to the connecting section 142, the positions can be found easily and accurately, the interference can not be generated, the welding surface 1431 is a plane which can be attached to the PCB 20 after extending, the soldering process and the welding process are both convenient, meanwhile, the contact surface between the pins 14 and the PCB 20 is larger, and the conductivity is better. Additionally, in other embodiments, the stitch 14 is divided into two sections.

The utility model also provides a trigger coil, this trigger coil include coil pack and coil casing, and above-mentioned embodiment is referred to this coil casing's concrete structure, because this trigger coil has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. Wherein, coil pack locates in coil housing's installation cavity 12, and coil pack includes primary coil, secondary coil and magnetic core etc. and specific structure can refer to current structure, and the no longer repeated description herein.

In some embodiments, the trigger coil further comprises a sealant impregnated into the coil housing for encapsulating the coil assembly within the coil housing.

The utility model also provides an electronic equipment, this electronic equipment include PCB board and trigger coil, and this trigger coil's concrete structure refers to above-mentioned embodiment, because this electronic equipment has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. And the trigger coil is welded on the PCB through a pin. The electronic device may be a photonic epilator, a high-speed snapshot flash or a cosmetic device, or the like.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A coil housing for a trigger coil, the coil housing comprising:

a plurality of stitches, it is a plurality of the stitch be used for with trigger coil's coil pack connects, in the shell main part and in the relative both sides of assembly hole all are equipped with the stitch, every the stitch all has the face of weld, and is a plurality of the face of weld orientation of stitch is with one side, and all is used for the welding at the PCB board.

2. The coil housing of claim 1 wherein the soldering surfaces of the plurality of pins are in the same plane; the welding surface of the pin is parallel to the end surface where the assembling opening is located.

3. The coil housing according to claim 1, wherein the welding surface is disposed to protrude from a plane in which the fitting opening is located.

4. The coil housing of claim 1, wherein the housing body has opposite side surfaces, the end surface at which the mounting opening is located between the side surfaces, and the pins are located at the side surfaces.

5. The coil casing according to claim 4, wherein a wire passing groove is formed in the end face where the assembling opening is located corresponding to each pin, and the wire passing groove penetrates through the inner wall and the side face of the mounting cavity.

6. The coil casing according to claim 5, wherein the groove bottom wall of the wire passing groove has a guide slope, a convex arc surface and a wire passing plane, the guide slope, the convex arc surface and the wire passing plane are connected in sequence in a direction away from the installation cavity, and the slope gradually extends obliquely in a direction away from the assembling opening in a direction away from the convex arc surface.

7. The coil housing of claim 1 wherein two of said pins are provided on opposite sides of said mounting opening, at least three of said pins being adapted to connect to a coil component of said trigger coil.

8. The coil housing according to claim 1, wherein each of the pins includes a mounting section, a connecting section and a welding section, the mounting section is disposed outside the housing main body and spaced from the end surface where the assembling opening is located, the connecting section is connected to an end of the mounting section away from the housing main body and extends in a direction in which the mounting section is directed to the end surface where the assembling opening is located, the welding section is connected to an end of the connecting section away from the mounting section and extends in a direction away from the assembling opening, and the welding section has the welding surface.

9. A trigger coil comprising a coil assembly and a coil housing according to any one of claims 1 to 8, the coil assembly being disposed within a mounting cavity of the coil housing.

10. An electronic device comprising a PCB board and the trigger coil of claim 9, wherein the trigger coil is stitch-bonded to the PCB board.