CN218998580U - Pick-up module printed circuit board fixing structure - Google Patents
Pick-up module printed circuit board fixing structure Download PDFInfo
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- CN218998580U CN218998580U CN202223078967.0U CN202223078967U CN218998580U CN 218998580 U CN218998580 U CN 218998580U CN 202223078967 U CN202223078967 U CN 202223078967U CN 218998580 U CN218998580 U CN 218998580U
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Abstract
The utility model belongs to the technical field of fixing of prefabricated plates of pickup modules, in particular to a fixing structure of a printed circuit board of a pickup module, and aims to solve the problems of poor fixing effect and long assembly time of the conventional fixing structure of the printed circuit board of the pickup module; pick-up module printed circuit board fixed knot constructs, including mounting and compress tightly the piece, the mounting is opened on the terminal surface has pick-up printed circuit board mounting groove, pick-up printed circuit board mounting groove has cell wall one and cell wall two, compress tightly the piece chucking and fix on cell wall one, compress tightly the piece and be located be equipped with the perk shell fragment fixedly on the inboard part of pick-up printed circuit board mounting groove. According to the utility model, the pick-up printed board is installed and clamped and fixed through the fixing piece and the pressing piece, and the pressing piece is convenient and quick to detach; meanwhile, according to the installation requirement of the pickup printed board, the pressing piece can be clamped at a proper position at will, so that the problem of ugly appearance caused by different intervals in a screw fixing mode is avoided.
Description
Technical Field
The utility model belongs to the technical field of fixing of a pickup module printed circuit board, and particularly relates to a pickup module printed circuit board fixing structure.
Background
The printed circuit board of the pickup module is an integrated circuit board for picking up sound signals and converting the sound into electric signals, and the printed circuit board, also called as a printed circuit board for short, is a provider for electric connection of electronic components; at present, a printed board of the pickup module is fixed on a metal shell mainly through bonding or screws; the adhesive tape is poor in adhesive reliability and easy to fail, the adhesive tape space is reserved to increase the volume of the module, and the shell is complex in structure and difficult to process; if adopt screw fixed connection, just need trompil on the printed plate and the shell of pickup module, need reserve the position of trompil, when the printed plate of pickup module is very thin, through its fixity of threaded connection not high, screw connection is long at the time of the assembly time spent simultaneously.
The utility model patent of China with the publication number of CN212752544U discloses a capacitance pick-up head with an adjustable copper polar plate, which comprises a plastic pressing ring, a sound head membrane, a polyester gasket and a copper polar plate which are sequentially arranged from top to bottom, wherein the lower end surface of the plastic pressing ring is provided with a first adjusting mechanism for adjusting the distance between the plastic pressing ring and the adjustable copper polar plate, the upper end surface of the adjustable copper polar plate is provided with a first through hole penetrating through the lower end surface, and the lower end surface of the plastic pressing ring is fixedly connected with the upper end surface of the copper polar plate after penetrating through the first through hole through a fixing mechanism; in the specific embodiment of the description of the utility model, the screw fixing manner adopted for the structure can be directly understood. When adopting screw fixed connection to fix the printed plate of pickup module, need reserve the trompil position, in addition if the thickness of the printed plate of pickup module is not enough, the fixed effect of the screw hole of seting up is not good, and screw connection is long-pending at the assembly time simultaneously.
Disclosure of Invention
The utility model provides a sound pickup module printed circuit board fixing structure, and aims to solve the problems of poor fixing effect and long assembly time of the existing sound pickup module printed circuit board fixing structure.
The technical scheme adopted for solving the technical problems is as follows: pick-up module printed circuit board fixed knot constructs, including mounting and clamp, the mounting is opened on the terminal surface has pick-up printed circuit board mounting groove, pick-up printed circuit board mounting groove has cell wall one and cell wall two, clamp chucking is fixed on the cell wall one, clamp is located be equipped with the perk shell fragment fixedly on the inboard part of pick-up printed circuit board mounting groove, the perk shell fragment with cell wall one is certain angle orientation cell wall two extends.
In order to solve the sound input problem of pickup printed board, open on the cell wall two has a plurality of pickup holes.
In order to solve the installation problem of the pressing piece and the fixing piece, a clamping groove which is clamped with the first groove wall is formed in the pressing piece, and the first groove wall is inlaid in the clamping groove.
Further, a through hole is formed in the first groove wall, the axis of the through hole is perpendicular to the first groove wall, and a limiting protrusion is fixedly arranged inwards at the corresponding position of the through hole on the groove wall of the clamping groove.
In order to solve the weight problem of the pressing piece, the clamping groove is provided with a notch on the opposite side surface of the limiting protrusion.
In order to solve the problem of how the through hole and the limiting protrusion are convenient to clamp, the limiting protrusion is provided with a slope in the inward direction of the opening of the clamping groove.
The beneficial effects of the utility model are as follows: the utility model has the advantages of no screw, no adhesion, good appearance integrity and no risk of adhering foreign matters and impurities in the screw openings or gaps; especially for products with high appearance requirements, screw holes cannot be seen on the appearance surface, and the reliability of the product is better than that of the adhesive; according to the utility model, the pick-up printed board is installed and clamped and fixed through the fixing piece and the pressing piece, the pressing piece is convenient and quick to detach, the tilting elastic piece can be clamped at a proper position at will according to the requirement of the circuit board by utilizing interference fit, and the appearance ugly problem caused by different intervals when the screws are locked and attached can be avoided; the sound pickup prefabricated plate can better receive sound through the sound pickup holes formed in the fixing piece; the slope is arranged to facilitate the clamping of the pressing piece into the fixing piece.
Drawings
FIG. 1 is a schematic illustration of one embodiment of a sound pickup module printed circuit board mounting structure of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an isometric view of a mounting member of a sound pickup module printed circuit board mounting structure of the present utility model;
FIG. 4 is a partial enlarged view at B in FIG. 3;
FIG. 5 is a schematic view of a hold-down member of a pick-up module printed circuit board mounting structure of the present utility model;
FIG. 6 is a left side view of a hold-down member of the pick-up module printed circuit board mounting structure of the present utility model;
FIG. 7 is a top view of a hold-down member of the pick-up module printed circuit board mounting structure of the present utility model;
marked in the figure as: 1. a fixing member; 2. a pressing member; 3. tilting the spring plate; 4. a limit protrusion; 5. a through hole; 6. pick-up hole.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or components referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; in the specification, the term "pickup printed board" is simply referred to as "pickup printed circuit board".
Referring to fig. 1-7, the pick-up module printed circuit board fixing structure comprises a fixing piece 1 and a pressing piece 2, wherein a pick-up printed circuit board mounting groove is formed in the end face of the fixing piece 1, a groove wall I and a groove wall II are formed in the pick-up printed circuit board mounting groove, the pressing piece 2 is clamped and fixed on the groove wall I, a tilting spring piece 3 is fixedly arranged on a part, located on the inner side of the pick-up printed circuit board mounting groove, of the pressing piece 2, and the tilting spring piece 3 extends towards the groove wall II at a certain angle with the groove wall I; the pick-up printed board is installed and clamped and fixed through the fixing piece 1 and the pressing piece 2, the pressing piece 2 is convenient and quick to detach, the tilting spring piece 3 can be clamped at a proper position at will according to the requirement of the circuit board by utilizing interference fit, the appearance ugly problem caused by different intervals can not occur when the screws are locked and attached, particularly for products with high appearance requirement, the screw holes can not be seen by the appearance surface, and the reliability is better than that of the adhesive; the utility model has the advantages of no screw, no adhesion, good appearance integrity, no risk of adhesive foreign matter impurities in screw holes or gaps, and poor fixing effect of the screw on the pickup printed board due to the fact that the screw holes are formed for fixing when the thickness of the pickup printed board is very small, and the screw holes are formed for fixing due to the influence of the thickness.
In the utility model, an included angle is formed between the tilting elastic sheet 3 and the first groove wall, so as to better compress the pickup printed board, the tilting elastic sheet 3 is not perpendicular to the second groove wall, the structure of the fixing piece 1 is not limited to one structure in the drawing, the fixing piece can be designed into fixing structures with various shapes such as a round shape, an oval shape, an S shape and the like, a proper fixing piece 1 can be formulated according to the shape of the pickup printed board, and when the shape of the fixing piece 1 is changed, the compressing piece 2 is clamped and fixed with the fixing piece 1, and the structure of the fixing piece needs to be changed so as to obtain a better fixing effect.
As shown in fig. 4, the second slot wall of the fixing piece of the fixing structure of the sound pickup module printed circuit board is provided with a plurality of sound pickup holes 6; through the pickup hole 6 of seting up on mounting 1, make the better sound of accepting of pickup prefabricated plate.
As shown in fig. 5, 6 and 7, a compressing piece of the sound pickup module printed circuit board fixing structure of the utility model is provided with a clamping groove clamped with a groove wall I, and the groove wall I is inlaid in the clamping groove; the clamping groove is used for clamping and fixing the fixing piece 1, so that the assembly and disassembly are simple, the assembly structure is optimized, and the whole volume is reduced.
Further, a through hole 5 is formed in the first groove wall, the axis of the through hole 5 is perpendicular to the first groove wall, and a limiting protrusion 4 is fixedly arranged inwards at a corresponding position of the through hole 5 on the groove wall of the clamping groove; through spacing protruding 4 and the cooperation of through-hole 5, make compressing tightly 2 better fixing on mounting 1, through spacing protruding 4 restriction compressing tightly 2's removal simultaneously, avoid perk shell fragment 3 and pickup printed board friction damage pickup printed board.
As shown in fig. 7, the clamping groove is provided with a notch on the opposite side of the limit bulge 4; through arranging the notch on the pressing piece 2, when the pressing piece 2 is detached from the fixing piece 1, the limiting protrusion 4 can be better taken out from the through hole 5 by pressing the limiting protrusion 4; in addition, by forming the slit, the weight of the pressing member 2 can be reduced, and the production cost can be reduced.
As shown in fig. 6, the limit protrusion 4 is provided with a slope in the inward direction of the opening of the clamping groove; through setting up the slope, when joint groove joint mounting 1, make mounting 1 can better slip in the joint inslot.
Further, the top end of the tilting spring plate 3 is provided with an arc-shaped corner, and the arc-shaped corner faces the clamping groove; an arc-shaped bent angle is inwards arranged at the top end of the tilting elastic sheet 3, so that the contact part of the tilting elastic sheet with the pickup printed board is smooth, and the pickup printed board is not scratched.
Claims (6)
1. Pick-up module printed circuit board fixed knot constructs, its characterized in that: including mounting (1) and compress tightly piece (2), it has pickup printed board mounting groove to open on the terminal surface mounting (1), pickup printed board mounting groove has cell wall one and cell wall two, compress tightly piece (2) chucking and fix on the cell wall one, compress tightly piece (2) are located fixedly be equipped with perk shell fragment (3) on the inboard part of pickup printed board mounting groove, perk shell fragment (3) with cell wall one is certain angle orientation cell wall two extends.
2. The pickup module printed circuit board fixing structure according to claim 1, wherein: a plurality of pick-up holes (6) are formed in the second groove wall.
3. The pickup module printed circuit board fixing structure according to claim 1, wherein: the pressing piece (2) is provided with a clamping groove which is clamped with the first groove wall, and the first groove wall is inlaid in the clamping groove.
4. The pickup module printed circuit board fixing structure according to claim 3, wherein: the first slot wall is provided with a through hole (5), the axis of the through hole (5) is perpendicular to the first slot wall, and the slot wall of the clamping slot is fixedly and inwards provided with a limit protrusion (4) at the corresponding position of the through hole (5).
5. The pickup module printed circuit board fixing structure according to claim 4, wherein: the clamping groove is provided with a notch on the opposite side of the limiting protrusion (4).
6. The pickup module printed circuit board fixing structure according to claim 4, wherein: the limiting protrusion (4) is provided with a slope in the inward direction of the opening of the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223078967.0U CN218998580U (en) | 2022-11-21 | 2022-11-21 | Pick-up module printed circuit board fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223078967.0U CN218998580U (en) | 2022-11-21 | 2022-11-21 | Pick-up module printed circuit board fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218998580U true CN218998580U (en) | 2023-05-09 |
Family
ID=86224666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223078967.0U Active CN218998580U (en) | 2022-11-21 | 2022-11-21 | Pick-up module printed circuit board fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218998580U (en) |
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2022
- 2022-11-21 CN CN202223078967.0U patent/CN218998580U/en active Active
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