CN219953913U - Convenient nut and power module comprising same - Google Patents
Convenient nut and power module comprising same Download PDFInfo
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- CN219953913U CN219953913U CN202321328158.2U CN202321328158U CN219953913U CN 219953913 U CN219953913 U CN 219953913U CN 202321328158 U CN202321328158 U CN 202321328158U CN 219953913 U CN219953913 U CN 219953913U
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- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model discloses a convenient nut and a power module comprising the same, and aims to solve the problems of long processing time and high cost caused by different projection shafts of mounting holes of a multilayer PCB (printed Circuit Board) mounted in the same shell in the prior art. The convenient nut comprises a nut main body, wherein a first mounting hole is formed in a mounting part, and an internal threaded hole is formed in a threaded part; the provided power module comprises the convenient nut, a shell and a multilayer printed board; the utility model effectively solves the installation problem of the multilayer printed board by the introduction of the convenient nut, saves the cost, and has the advantages of convenient and quick installation and high assembly efficiency; the mounting holes can be arranged at any position, and the layout of the printed board is flexible and convenient.
Description
Technical Field
The utility model relates to the technical field of electronics, in particular to a convenient nut and a power module comprising the nut.
Background
A printed circuit board (Printed Circuit Board, abbreviated as PCB) is one of the important components of the electronics industry. Almost every electronic device, as small as an electronic watch, a calculator, as large as a computer, a communication electronic device, a military weapon system, has only electronic components such as an integrated circuit, and a printed board is used for electrically interconnecting the respective components.
At present, a plurality of PCBs (printed circuit boards) are required to be installed in a power module cavity, and studs and coaxial studs are commonly used, so that the power module cavity is only suitable for the condition that projection of installation holes of the PCBs is coaxial; if the mounting holes of the mounted Part (PCB) are not coaxial, namely the projections of the mounting holes of the mounted part are not coincident, namely the projections of the mounting holes of the mounted part on the bottom surface are not coincident, a suspended mounting fixing table needs to be stretched out of the cavity, but all factories do not have the equipment, certain requirements are met on processing equipment, the working time is needed, and the corresponding processing cost is high; and the existence of the suspended mounting table is considered, so that the lower PCB is smoothly arranged on the corresponding mounting table, the top layer element height and the bottom layer element height of the lower PCB are required, and the shape is limited.
Disclosure of Invention
Therefore, the utility model provides a convenient nut and a power module comprising the nut, so as to solve the problems of long processing time and high cost caused by different projection shafts of mounting holes of the existing multilayer PCB mounted in the same shell.
In order to achieve the above object, the present utility model provides the following technical solutions:
in a first aspect, a portable nut includes the nut main part, the nut main part is including the installation department that is located left lower part and the screw thread portion that is located right upper portion, the first mounting hole of lining up has been seted up along vertically on the installation department, the internal thread hole of lining up has been seted up along vertically on the screw thread portion.
Optionally, a first pin hole is longitudinally formed in the threaded portion and on the right side of the internal threaded hole, a pin matched with the first pin hole is arranged on the mounting portion and on the right side of the first mounting hole, one end of the pin extends into the mounting portion, and the other end of the pin extends out of the mounting portion.
Optionally, the centers of the first mounting hole, the internal threaded hole and the first pin hole are positioned on the same straight line, and the straight line is collinear with the central axis of the nut body along the length direction.
In a second aspect, a power module includes: the device comprises a shell and a cover plate positioned on the shell, wherein the shell and the cover plate form an internal cavity, and the device is characterized in that a plurality of layers of printed boards which are sequentially arranged up and down are arranged in the cavity, the printed boards at the bottom of the device are bottom-layer printed boards, and the printed boards at the top of the device are top-layer printed boards; a convenient nut is arranged between the adjacent printed boards, and the connection between the adjacent printed boards and the shell is realized through the convenient nut; the convenient nut is the convenient nut.
Optionally, the bottom portable nut is a bottom portable nut, and the top portable nut is a top portable nut;
the bottom of the shell is provided with an installation table, and the installation table is connected with the bottom layer printed board through the bottom layer convenient nut; the top layer convenient nut is connected with the top layer printed board through a first fastener.
Optionally, a positioning hole is formed in the bottom layer printed board, a second pin hole is formed in the mounting table, and a pin on the bottom layer convenient nut passes through the positioning hole and is then placed in the second pin hole;
still include the second fastener, still seted up the second mounting hole on the bottom printed board, the third mounting hole has been seted up on the mount pad, the second fastener passes in proper order behind first mounting hole on the convenient nut of bottom, the second mounting hole on the bottom printed board, the third mounting hole on the mount pad, will convenient nut of bottom, bottom printed board and casing fixed connection.
Optionally, the number of the printed boards is 3-8.
Optionally, the first fastener and the second fastener are countersunk screws.
Compared with the prior art, the utility model has at least the following beneficial effects:
the utility model provides a convenient nut and a power module comprising the same, which solve the problems that the projections of mounting holes of a multilayer printed board are not coincident (namely, the mounting holes of the mounted parts are not coaxial) but the multilayer printed board is needed, and save the cost, and meanwhile, the multilayer printed board has the advantages of convenient and quick mounting and high assembly efficiency; on the mounting table of the lower-layer printed board, the mounting table can be provided with internal threaded holes at different positions of the upper-layer printed board according to the requirements, and corresponding adjustment can be made according to the heights of bottom-layer elements of the upper-layer printed board, so that the problem of multi-layer board mounting is effectively and flexibly solved; the mounting holes can be arranged at any position, so that the layout of the printed board is flexible and convenient; the method is also suitable for open mounting equipment, does not need to provide a process method of a mounting table at the bottom for multiple times, and is suitable for various stacked equipment; through the location of pin, avoid convenient nut to rotate, the nut of convenient place different angles and the length of nut main part can realize the provision of different positions internal thread hole to satisfy the condition that there is components and parts in printing board lower part, according to the height of components and parts, adjust the bench height of convenient nut can.
Drawings
In order to more intuitively illustrate the prior art and the utility model, several exemplary drawings are presented below. It should be understood that the specific shape and configuration shown in the drawings are not generally considered limiting conditions in carrying out the utility model; for example, those skilled in the art will be able to make routine adjustments or further optimizations for the addition/subtraction/attribution division, specific shapes, positional relationships, connection modes, dimensional proportion relationships, and the like of certain units (components) based on the technical concepts and the exemplary drawings disclosed in the present utility model.
Fig. 1 is a schematic structural view of a portable nut according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a portable nut according to an embodiment of the present utility model;
FIG. 3 is a top view and a front view of the device shown in FIG. 1;
FIG. 4 is a schematic diagram of a power supply with a portable nut according to an embodiment of the present utility model;
FIG. 5 is an exploded view of the device shown in FIG. 4;
FIG. 6 is a cross-sectional view as shown in FIG. 4;
fig. 7 is a schematic view of a structure of a multilayer printed board inside the case shown in fig. 4;
FIG. 8 is a schematic view of the housing shown in FIG. 4;
fig. 9 is a schematic view of the structure of fig. 5 at the bottom printed board;
reference numerals illustrate:
1. a nut body; 11. a mounting part; 111. a first mounting hole; 112. a pin; 12. a threaded portion; 121. an internal threaded hole; 122. a first pin hole; 13. a connection part;
2. a housing; 21. a cover plate; 22. a mounting table; 221. a second pin hole; 222. a third mounting hole;
3. a bottom layer printed board; 31. positioning holes; 32. a second mounting hole; 4. a middle layer printed board; 5. a top layer printed board; 6. a bottom layer convenient nut; 7. a top layer convenient nut; 8. a first fastener; 9. a second fastener; 10. and (5) a screw.
Detailed Description
The utility model will be further described in detail by means of specific embodiments with reference to the accompanying drawings.
In the description of the present utility model: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this disclosure are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on the degree of importance or order, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).
The terms such as "upper", "lower", "left", "right", "middle", etc. are generally used herein for convenience of visual understanding with reference to the drawings and are not to be construed as absolute limitations on the positional relationship of the actual product. Such changes in the relative positional relationship without departing from the technical idea of the present utility model are also considered as the scope of the present utility model.
The utility model provides a convenient nut, which is shown in fig. 1-3, and comprises a nut main body 1, wherein the nut main body 1 comprises a mounting part 11 positioned at the lower left part and a threaded part 12 positioned at the upper right part, the mounting part 11 is longitudinally provided with a first through mounting hole 111, and the threaded part 12 is longitudinally provided with a through internal threaded hole 121.
In this embodiment, a first pin hole 122 is longitudinally formed in the threaded portion 12 and on the right side of the internal threaded hole 121, a pin 112 is provided on the mounting portion 11 and on the right side of the first mounting hole 111 to be fitted with the first pin hole 122, one end of the pin 112 extends into the mounting portion 11, and the other end extends out of the mounting portion 11.
Preferably, the centers of the first mounting hole 111, the internal screw hole 121, and the first pin hole 122 are positioned on the same line, and the line is collinear with the central axis of the nut body 1 in the length direction, as shown in fig. 3.
The present utility model also provides a power module, as shown in fig. 4-9, comprising: the shell 2 and the cover plate 21 are positioned on the shell 2, the shell 2 is connected with the cover plate 21 through the bolts 10, and the shell 2 and the cover plate 21 form an internal cavity; the cavity is internally provided with a plurality of layers of printed boards (PCB boards) which are sequentially arranged up and down, the bottom-most printed board is a bottom-layer printed board 3, the top-layer printed board is a top-layer printed board 5, the above-mentioned convenient nuts are arranged between the adjacent printed boards, and the connection between the adjacent printed boards and the shell 2 is realized through the convenient nuts;
the bottom convenient nut is a bottom convenient nut 6, and the top convenient nut is a top convenient nut 7; the bottom of the shell 2 is provided with an installation table 22, and the installation table 22 is connected with the bottom layer printed board 3 through a bottom layer convenient nut 6; the top layer convenient nut 7 is connected with the top layer printed board 5 through a first fastener 8.
Preferably, the bottom layer printed board 3 is provided with a positioning hole 31, the mounting table 22 is provided with a second pin hole 221, and the pin 112 on the bottom layer convenient nut 6 passes through the positioning hole 31 on the bottom layer printed board 3 and then is placed in the second pin hole 221 on the mounting table 22;
the bottom layer printed board 3 is further provided with a second mounting hole 32, the mounting table 22 is provided with a third mounting hole 222, and the second fastener 9 sequentially passes through the first mounting hole 111 on the bottom layer portable nut 6, the second mounting hole 32 on the bottom layer printed board 3 and the third mounting hole 222 on the mounting table 22 to fixedly connect the bottom layer portable nut 6, the bottom layer printed board 3 and the shell 2;
the first fastening piece 8 and the second fastening piece 9 are countersunk screws, a fourth mounting hole is formed in the top-layer printed board 5, and the first fastening piece 8 passes through the fourth mounting hole in the top-layer printed board 5 and then is placed in the internal threaded hole 121 of the top-layer convenient nut 7.
Preferably, the number of the multilayer printed boards is 3-8.
Further, the connecting portion 13 is provided between the screw portion 12 and the mounting portion 11, and as shown in fig. 3, the vertical distance between the upper end surface of the screw portion 12 and the upper end surface of the connecting portion 13 is denoted by Q, the vertical distance between the lower end surface of the mounting portion 11 and the lower end surface of the connecting portion 13 is denoted by N, and the horizontal distance between the first mounting hole 111 and the female screw hole 121 is denoted by M; when the portable nut is used, the distance required to provide the threaded hole can be adjusted according to different use environments, the distance required to provide the threaded hole is determined by the M value, the height of an object on the lower-layer printed board is related to the N value and the Q value, if the lower-layer printed board is provided with components required to be avoided at the projection position of the portable nut, namely, the N value is increased, if the upper-layer printed board is provided with components required to be avoided at the bottom layer at the projection position of the portable nut, and the Q value is adjusted according to the height.
When the embodiment is used, taking a three-layer printed board as an example, the printed board at the bottom is marked as a bottom printed board 3, the printed board at the top is marked as a top printed board 5, the printed board in the middle is marked as a middle printed board 4, a bottom convenient nut 6 is arranged between the middle printed board 4 and the bottom printed board 3, and a top convenient nut 7 is arranged between the middle printed board 4 and the top printed board 5; the method comprises the following specific steps:
firstly, placing a bottom layer printed board 3 on an installation table 22 in a shell 2, and placing a bottom layer convenient nut 6 on the bottom layer printed board 3; then, after the pins 112 on the bottom layer convenient nut 6 pass through the positioning holes 31 of the bottom layer printed board 3, the pins are placed in the second pin holes 221 on the mounting table 22; the first mounting hole 111 of the bottom layer convenient nut 6, the second mounting hole 32 of the bottom layer printed board 3 and the third mounting hole 222 on the mounting table 22 in the shell 2 are coaxially aligned, and the second fastener 9 (bottom layer convenient nut fastener) sequentially passes through the first mounting hole 111 of the bottom layer convenient nut 6, the second mounting hole 32 of the bottom layer printed board 3 and the third mounting hole 222 of the mounting table 22, and then the bottom layer convenient nut 6, the bottom layer printed board 3 and the shell 2 are connected and fixed; and the components can be distributed at the bottom layer position of the middle-layer printed board 4 corresponding to the bottom layer convenient nut 6;
step two, a middle-layer printed board 4 is placed on the upper portion of the bottom-layer portable nut 6, and a top-layer portable nut 7 is placed on the middle-layer printed board 4; then, after the pins 112 of the top layer portable nut 7 pass through the positioning holes 31 on the middle layer printed board 4, the pins are placed in the first pin holes 122 on the bottom layer portable nut 6; the first mounting hole 111 of the top layer portable nut 7, the first mounting hole 111 of the middle layer printed board 4 and the internal threaded hole 121 of the bottom layer portable nut 6 are aligned coaxially, and after sequentially passing through the first mounting hole 111 of the top layer portable nut 7, the first mounting hole 111 of the middle layer printed board 4 and the internal threaded hole 121 of the bottom layer portable nut 6 through the second fastener 9 corresponding to the top layer portable nut 7, the middle layer printed board 4 and the bottom layer portable nut 6 are connected and fixed;
and thirdly, placing the top-layer printed board 5 (i.e. the printed board on the uppermost layer) on the top-layer portable nut 7, and placing the top-layer printed board 5 into the internal threaded hole 121 of the top-layer portable nut 7 after sequentially penetrating through the fourth mounting hole on the top-layer printed board 5 through the first fastener 8 (the top-layer printed board fastener).
And step four, finally, fixing the cover plate 21 on the shell 2, and finishing the assembly of the complete power module.
If the number of layers of the printed board is more than three, repeating the operation of the first step and the second step before the third step according to the number of layers of the printed board, and performing the operation of the third step and the fourth step after the assembly of the multi-layer printed board is completed.
According to the utility model, the inner threaded hole and the first pin hole of the convenient nut provide a mounting and fixing structure for the replaced printed board; the direction can be rotated according to the situation, and the position is finally determined through a pin (a locating pin) at the bottom of the direction; meanwhile, the convenient nut can be used for projecting different shaft centers through the mounting holes of the upper plate and the lower plate, is suitable for a multilayer printed board, and is flexible and convenient in layout of the printed board, and the mounting holes are arranged at any positions.
Any combination of the technical features of the above embodiments may be performed (as long as there is no contradiction between the combination of the technical features), and for brevity of description, all of the possible combinations of the technical features of the above embodiments are not described; these examples, which are not explicitly written, should also be considered as being within the scope of the present description.
The utility model has been described above with particularity and detail in connection with general description and specific embodiments. It should be understood that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present utility model; but these conventional modifications and further innovations may also fall within the scope of the claims of the present utility model as long as they do not depart from the technical spirit of the present utility model.
Claims (8)
1. The utility model provides a convenient nut, its characterized in that includes the nut main part, the nut main part is including the installation department that is located left lower part and the screw thread portion that is located right upper portion, the first mounting hole of lining up has been seted up along vertically on the installation department, the internal thread hole of lining up has been seted up along vertically on the screw thread portion.
2. The portable nut according to claim 1, wherein a first pin hole is longitudinally formed in the threaded portion on the right side of the internal threaded hole, a pin matched with the first pin hole is arranged on the mounting portion on the right side of the first mounting hole, one end of the pin extends into the mounting portion, and the other end of the pin extends out of the mounting portion.
3. The portable nut of claim 2, wherein the centers of the first mounting hole, the internally threaded hole, and the first pin hole are located on the same straight line, and the straight line is collinear with the central axis of the nut body in the length direction.
4. A power module, comprising: the device comprises a shell and a cover plate positioned on the shell, wherein the shell and the cover plate form an internal cavity, and the device is characterized in that a plurality of layers of printed boards which are sequentially arranged up and down are arranged in the cavity, the printed boards at the bottom of the device are bottom-layer printed boards, and the printed boards at the top of the device are top-layer printed boards; a convenient nut is arranged between the adjacent printed boards, and the connection between the adjacent printed boards and the shell is realized through the convenient nut; the portable nut is the portable nut according to any one of claims 1-3.
5. The power module of claim 4, wherein the bottom portable nut is a bottom portable nut and the top portable nut is a top portable nut;
the bottom of the shell is provided with an installation table, and the installation table is connected with the bottom layer printed board through the bottom layer convenient nut; the top layer convenient nut is connected with the top layer printed board through a first fastener.
6. The power module according to claim 5, wherein the bottom layer printed board is provided with a positioning hole, the mounting table is provided with a second pin hole, and a pin on the bottom layer portable nut passes through the positioning hole and is then placed in the second pin hole;
still include the second fastener, still seted up the second mounting hole on the bottom printed board, the third mounting hole has been seted up on the mount pad, the second fastener passes in proper order behind first mounting hole on the convenient nut of bottom, the second mounting hole on the bottom printed board, the third mounting hole on the mount pad, will convenient nut of bottom, bottom printed board and casing fixed connection.
7. The power module of claim 4 wherein the number of layers of the printed boards is 3-8.
8. The power module of claim 6 wherein the first fastener and the second fastener are countersunk screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321328158.2U CN219953913U (en) | 2023-05-29 | 2023-05-29 | Convenient nut and power module comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321328158.2U CN219953913U (en) | 2023-05-29 | 2023-05-29 | Convenient nut and power module comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953913U true CN219953913U (en) | 2023-11-03 |
Family
ID=88557275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321328158.2U Active CN219953913U (en) | 2023-05-29 | 2023-05-29 | Convenient nut and power module comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953913U (en) |
-
2023
- 2023-05-29 CN CN202321328158.2U patent/CN219953913U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |