CN213816444U - Grounding assembly and projector - Google Patents
Grounding assembly and projector Download PDFInfo
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- CN213816444U CN213816444U CN202022902059.3U CN202022902059U CN213816444U CN 213816444 U CN213816444 U CN 213816444U CN 202022902059 U CN202022902059 U CN 202022902059U CN 213816444 U CN213816444 U CN 213816444U
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- shell
- inner shell
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Abstract
The utility model discloses a ground connection subassembly and projecting apparatus, wherein, the ground connection subassembly includes: the shell is provided with an accommodating cavity, at least part of area of the shell adopts a metal structure, and the metal structure is grounded; the circuit board is arranged in the accommodating cavity; and the metal connecting piece is respectively connected with the shell and the circuit board, and the metal connecting piece is contacted with the metal structure. The utility model discloses technical scheme can reduce the processing degree of difficulty of ground structure.
Description
Technical Field
The utility model relates to an electronic equipment field, in particular to ground connection subassembly and projecting apparatus.
Background
Circuit boards are important carriers for electronic components and also are one of the important components that constitute electrical equipment. The circuit board comprises a plurality of functional units, each functional unit plays a respective functional role, and each functional unit is provided with a plurality of electronic components including resistors, capacitors, potentiometers, coils and the like. Because the circuit board is used as a carrier of the electronic component, the requirement on the safety performance of the circuit board is higher. At present, the grounding structure of the circuit board is complex, and the processing difficulty is high.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a ground connection subassembly aims at reducing the processing degree of difficulty of ground connection structure.
In order to achieve the above object, the utility model provides a grounding assembly, include:
the shell is provided with an accommodating cavity, at least part of area of the shell adopts a metal structure, and the metal structure is grounded;
the circuit board is arranged in the accommodating cavity; and the number of the first and second groups,
and the metal connecting pieces are respectively connected with the shell and the circuit board, and the metal connecting pieces are in contact with the metal structure.
In an optional embodiment, the outer shell comprises an outer shell and an inner shell which are arranged in a stacked manner, the outer shell adopts the metal structure, the metal connecting piece is installed on the inner shell, and the end part of the metal connecting piece is abutted against the outer shell.
In an optional embodiment, the inner shell is provided with a mounting hole, and the metal connecting piece is arranged through the mounting hole.
In an optional embodiment, the metal connector includes a connecting section and a bending section, the connecting section is disposed through the mounting hole and connected to the circuit board, and the bending section is bent relative to the connecting section and abuts against an outer side of the inner shell.
In an optional embodiment, the inner shell is provided with two mounting holes, the bending section includes a first section and a second section which are connected, the first section abuts against the outer side of the inner shell, and the second section penetrates through the other mounting hole.
In an optional embodiment, the outer shell of the inner shell is provided with a mounting groove, the bottom of the mounting groove is provided with the mounting hole, and the bending section abuts against the bottom of the mounting groove.
In an optional embodiment, the metal connector comprises a main body connecting part and an elastic sheet which are connected, and the main body connecting part is respectively connected with the inner shell and the circuit board;
the elastic sheet is located between the inner shell and the outer shell and is abutted to the outer shell.
In an optional embodiment, the inner shell is provided with a mounting groove, the bottom of the mounting groove is provided with a mounting hole, and the metal connecting piece is arranged in the mounting hole in a penetrating manner; the orthographic projection of the elastic sheet on the inner shell is positioned in the mounting groove.
In an alternative embodiment, the metal connector is connected with the circuit board through screws.
The utility model also provides a projector, projector includes the ground connection subassembly.
The utility model discloses in, be connected the metal structure of circuit board and shell through metal connecting piece, because the metal structure ground connection of shell, consequently be equivalent to metal connecting piece with circuit board and the ground connection mode of setting electronic components on the circuit board, realize on connecing the shell through leading, need not additionally set up other ground connection modes on the circuit board again, and can realize common ground connection with the shell, be favorable to the simplification of structure. The grounding mode is simple, only a metal connecting piece needs to be arranged, and production and processing are greatly facilitated.
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 projector according to the present invention;
fig. 2 is a schematic view of the internal structure of the projector of fig. 1;
FIG. 3 is a schematic structural view of the metal connector of FIG. 2;
FIG. 4 is an exploded view of the housing of FIG. 1;
FIG. 5 is an enlarged schematic view at A in FIG. 4;
FIG. 6 is a schematic structural view of the housing of FIG. 4;
FIG. 7 is an enlarged schematic view at B of FIG. 6;
FIG. 8 is a schematic view of the housing of FIG. 6 from another perspective;
FIG. 9 is a schematic structural view of the inner housing of FIG. 4;
fig. 10 is an enlarged schematic view at C in fig. 9.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
31 | Connecting segment |
| 11 | |
32 | |
| 12 | |
321 | |
| 121 | |
322 | |
| 122 | |
33 | |
| 123 | |
34 | |
| 20 | |
40 | |
| 30 | Metal connecting piece |
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 accompanying 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, 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 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 grounding assembly.
Referring to fig. 1 to fig. 3, in an embodiment of the present invention, the grounding assembly includes:
the shell 10 is provided with a containing cavity, at least part of the area of the shell 10 adopts a metal structure, and the metal structure is arranged in a grounding mode;
a circuit board 20 mounted in the receiving cavity; and the number of the first and second groups,
and a metal connector 30 respectively connecting the housing 10 and the circuit board 20, wherein the metal connector 30 is in contact with the metal structure.
In the embodiment of the present invention, the housing 10 refers to the housing 10 of the whole projector, for example, for the projector, the housing 10 refers to the outermost casing of the projector. In this embodiment, the housing 10 may be square, circular or other shapes. The housing 10 has a receiving cavity in which the internal structure of the whole machine such as the circuit board 20, the power supply, etc. is mounted.
At least partial region of the housing 10 is of a metal structure, and specifically, the entire housing 10 may be of a metal structure; alternatively, the housing 10 has a multi-layer structure, wherein at least one layer is a metal structure; alternatively, a part of the side plates of the housing 10 is made of a metal structure. The metal structure may be aluminum or stainless steel, etc.
The metal connector 30 is made of a conductive material, such as iron, and can electrically connect the circuit board 20 and the metal structure on the housing 10, so as to ground the circuit board 20. The metal connecting member 30 may be in the form of an elongated bar, such as a plate or a column.
The utility model discloses in, be connected circuit board 20 and shell 10's metal structure through metal connecting piece 30, because shell 10's metal structure ground connection, consequently be equivalent to metal connecting piece 30 with circuit board 20 and the ground connection mode of setting electronic components on circuit board 20, through leading to connect to shell 10 and realize, do not need additionally to set up other ground connection modes again on the circuit board 20, and can realize common ground connection with shell 10, be favorable to the simplification of structure. The grounding mode is simple, only the metal connecting piece 30 needs to be arranged, and the production and the processing are greatly facilitated.
Referring to fig. 4, in an embodiment, the outer shell 10 includes an outer shell 11 and an inner shell 12, which are stacked, the outer shell 11 is made of the metal structure, the metal connecting piece 30 is mounted on the inner shell 12, and an end of the metal connecting piece 30 abuts against the outer shell 11. In this embodiment, the inner shell 12 may be a plastic part, which may facilitate the integral formation of some complicated internal structures, and facilitate the connection between the metal connecting member 30 and the inner shell 12. The housing 10 is a metal structure throughout. Because the metal connecting piece 30 is positioned in the outer shell 11, the metal connecting piece 30 can be prevented from being exposed outside to influence the appearance structure.
Referring to fig. 5 to 8, in an embodiment, the inner shell 12 is provided with a mounting hole 121, and the metal connecting member 30 is inserted into the mounting hole 121, so that an end of the metal connecting member 30 is exposed outside the inner shell 12 and contacts an inner surface of the outer shell 11. Of course, in other embodiments, the inner shell 12 may be smaller than the outer shell 11, i.e. in some positions, the outer shell 10 has only the outer shell 11, so that the metal connecting members 30 may be arranged on the side edges of the inner shell 12 and extend out of the inner shell 12.
Referring to fig. 3 again, in order to connect the metal connecting member 30 and the inner shell 12, in an embodiment, the metal connecting member 30 includes a connecting section 31 and a bending section 32, the connecting section 31 is inserted into the mounting hole 121 and is connected to the circuit board 20, and the bending section 32 is bent relative to the connecting section 31 and abuts against the outer side of the inner shell 12. In this embodiment, the connecting section 31 may be substantially in the shape of an elongated plate, and the bending section 32 is bent relative to the connecting section 31. The bent section 32 is provided to prevent the metal connecting member 30 from being separated from the inner shell 12.
In an embodiment, the inner shell 12 is provided with two mounting holes 121, the bending section 32 includes a first section 321 and a second section 322 connected to each other, the first section 321 abuts against the outer side of the inner shell 12, and the second section 322 passes through the other mounting hole 121. Specifically, the first segment 321 connects the second segment 322 and the connecting segment 31, respectively, the connecting segment 31 and the second segment 322 are disposed opposite to each other, and the connecting segment 31 and the second segment 322 each pass through a different one of the mounting holes 121. The first section 321 can abut against the outer side surface of the inner shell 12, so that the metal connecting piece 30 is prevented from being separated towards the direction close to the circuit board 20, and the second section 322 is inserted into the mounting hole 121, so that the connection stability of the metal connecting piece 30 and the inner shell 12 is further enhanced.
Referring to fig. 5 again, in an embodiment, an installation groove 122 is formed on the outer side of the inner shell 12, the installation hole 121 is formed on the bottom of the installation groove 122, and the bending section 32 abuts against the bottom of the installation groove 122. In this embodiment, the installation groove 122 is equivalent to provide an accommodation space for the bending section 32, and the first section 321 of the bending section 32 can be completely located in the installation groove 122 without protruding outside the inner shell 12, so as to avoid interference caused by the bending section 32 to the attachment of the inner shell 12 and the outer shell 11.
Referring to fig. 3, 9 and 10, in an embodiment, the metal connector 30 includes a main body connecting portion and an elastic sheet 33, which are connected to each other, and the main body connecting portion is respectively connected to the inner shell 12 and the circuit board 20; the elastic piece 33 is located between the inner housing 12 and the outer housing 11, and abuts against the outer housing 11. In this embodiment, the main body connecting portion includes the connecting section 31 and the bending section 32, and the elastic sheet 33 may be specifically connected to the bending section 32, for example, the elastic sheet 33 is connected to a side edge of the bending section 32. The elastic piece 33 corresponds to an elastic arm, one end of which is connected to the body connecting portion and the other end of which is movable relative to the body connecting portion. When the outer shell 11 is mounted with the inner shell 12, the outer shell 11 presses the elastic piece 33, so that the elastic piece 33 abuts against the inner surface of the outer shell 11 by means of elastic force, ensuring reliable contact between the elastic piece 33 and the outer shell 11.
In an embodiment, the orthographic projection of the elastic sheet 33 on the inner shell 12 is located in the mounting groove 122, which is equivalent to the position where the elastic sheet 33 is located in the mounting groove 122, so that when the outer shell 11 and the inner shell 12 are assembled, the elastic sheet 33 can be extruded into the mounting groove 122 under the extrusion of the outer shell 11, and the elastic sheet 33 is prevented from protruding out of the mounting groove 122 to affect the tight fit between the outer shell 11 and the inner shell 12.
In one embodiment, the metal connector 30 is connected to the circuit board 20 by screws. Specifically, the metal connecting member 30 has a fixing hole 34, the circuit board 20 has a corresponding connecting hole, and a screw passes through the fixing hole 34 and the connecting hole to lock the metal connecting member 30 and the circuit board 20. The screw connection mode is adopted, so that the circuit board 20 and the metal connecting piece 30 are convenient to disassemble and assemble. In addition, in other embodiments, the metal connector 30 may be soldered to the circuit board 20.
Specifically, the metal connecting member 30 is generally elongated and has a first end and a second end opposite to each other, the first end is connected to the circuit board 20, the second end is connected to the inner shell 12 of the housing 10, and the second end passes through the mounting hole 121 on the inner shell 12, partially exposes between the inner shell 12 and the outer shell 11, and abuts against the outer shell 11, so as to achieve grounding.
The utility model also provides a projector, projector includes the ground connection subassembly. For a specific structure of the grounding assembly, please refer to the above embodiments, which are not described herein.
The housing 10 of the projector is further opened with a light hole 123, and the projector performs projection through the light hole 123. The metal connecting member 30 can be connected to the side of the housing 10 having the light hole 123. In addition, the projector may further include a cover plate 40, and the cover plate 40 covers the open end of the housing 10, thereby covering the receiving cavity.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A grounding assembly, comprising:
the shell is provided with an accommodating cavity, at least part of area of the shell adopts a metal structure, and the metal structure is grounded;
the circuit board is arranged in the accommodating cavity; and the number of the first and second groups,
and the metal connecting pieces are respectively connected with the shell and the circuit board, and the metal connecting pieces are in contact with the metal structure.
2. The grounding assembly of claim 1, wherein said housing includes an outer shell and an inner shell arranged in a stacked configuration, said outer shell being of said metal construction, said metal connector being mounted to said inner shell with an end of said metal connector abutting said outer shell.
3. The grounding assembly of claim 2, wherein said inner shell defines a mounting hole, and said metal connector is disposed through said mounting hole.
4. The grounding assembly of claim 3, wherein the metal connector comprises a connecting section and a bent section, the connecting section is disposed through the mounting hole and connected to the circuit board, and the bent section is bent relative to the connecting section and abuts against the outer side of the inner shell.
5. The grounding assembly of claim 4, wherein said inner shell defines two of said mounting holes, and said bent section includes a first section and a second section connected to each other, said first section abutting against an outer side of said inner shell, and said second section passing through another of said mounting holes.
6. The grounding assembly of claim 4, wherein the outer side of the inner shell defines a mounting groove, the bottom of the mounting groove defines the mounting hole, and the bent portion abuts against the bottom of the mounting groove.
7. The grounding assembly of claim 2, wherein said metal connector comprises a body connecting portion and a resilient piece connected, said body connecting portion connecting said inner shell and said circuit board, respectively;
the elastic sheet is located between the inner shell and the outer shell and is abutted to the outer shell.
8. The grounding assembly of claim 7, wherein an installation groove is formed on the outer side of the inner shell, an installation hole is formed on the bottom of the installation groove, and the metal connecting piece is inserted into the installation hole; the orthographic projection of the elastic sheet on the inner shell is positioned in the mounting groove.
9. The grounding assembly of any one of claims 1 to 8, wherein said metal connector is screwed to said circuit board.
10. A projector comprising the grounding assembly of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022902059.3U CN213816444U (en) | 2020-12-03 | 2020-12-03 | Grounding assembly and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022902059.3U CN213816444U (en) | 2020-12-03 | 2020-12-03 | Grounding assembly and projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213816444U true CN213816444U (en) | 2021-07-27 |
Family
ID=76944594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022902059.3U Active CN213816444U (en) | 2020-12-03 | 2020-12-03 | Grounding assembly and projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213816444U (en) |
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2020
- 2020-12-03 CN CN202022902059.3U patent/CN213816444U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |