CN215582322U

CN215582322U - Circuit board mounting assembly

Info

Publication number: CN215582322U
Application number: CN202121251741.9U
Authority: CN
Inventors: 方映
Original assignee: Suining Ruijiexing Technology Co ltd
Current assignee: Suining Ruijiexing Technology Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-18
Anticipated expiration: 2031-06-04

Abstract

The utility model provides a circuit board mounting assembly which comprises a mounting frame, wherein a positioning block is arranged on the upper surface of the mounting frame and comprises a first positioning block and a second positioning block; the mounting frame is provided with a first positioning block and a second positioning block, the first positioning block and the second positioning block are respectively provided with a limiting groove for clamping a circuit board, and when the circuit board is clamped in the limiting grooves, a detachable gap is formed between the circuit board and the mounting frame; the first direction is vertical to the second direction; the pressing assembly is arranged on the upper surface of the mounting frame and distributed in one-to-one correspondence with the positioning blocks. The limiting groove and the pressing component are matched with each other to press and fix the circuit board, so that the circuit board can be fixedly installed without screws, the circuit board is convenient to disassemble and assemble, and the limiting gap formed between the circuit board and the installation frame is convenient for workers to disassemble the circuit board from the positioning block.

Description

Circuit board mounting assembly

Technical Field

The utility model relates to the technical field of circuit board installation, in particular to a circuit board installation assembly.

Background

The circuit board is an important accessory in electronic equipment, is structurally an insulating board with a communicating conductor, fixes electronic components on the circuit board to form a circuit, serves as a support body of the electronic components and a carrier for electrical connection of the electronic components, and is widely applied to the field of electrical control. When the circuit board is installed on the electrical equipment, the circuit board can be installed on the installation frame firstly, and then the installation frame with the circuit board installed is installed on the electrical equipment, so that the control on the electrical equipment can be realized through the circuit board. The circuit board that has now passes through the fix with screw on the mounting bracket more to require to correspond on the circuit board and reserve corresponding hole, and then make the manufacturing cost increase of circuit board, and the circuit board fixed with the screw form is not convenient for change the maintenance, and its dismantlement in-process easily causes the screw to lose or the smooth silk of screw thread in the fixed column, even causes the circuit board to damage, and the difficult follow mounting bracket of circuit board takes off.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a circuit board mounting assembly which is simple in structure and convenient for realizing the dismounting of a circuit board.

The embodiment of the utility model is realized by the following technical scheme:

a circuit board mounting assembly comprises a mounting frame, wherein a positioning block is arranged on the upper surface of the mounting frame and comprises a first positioning block and a second positioning block; the mounting frame comprises a mounting frame, at least one group of first positioning blocks, at least one group of second positioning blocks, limiting grooves and a detachable gap, wherein the mounting frame is provided with the first positioning blocks and the second positioning blocks; the first direction is perpendicular to the second direction; the pressing assembly is arranged on the upper surface of the mounting frame, and the pressing assembly and the positioning blocks are distributed in a one-to-one correspondence mode.

According to a preferred embodiment, the compression assembly comprises at least a first compression column embedded in the mounting frame; an extension plate is connected to the first compression column in a sliding mode, a first spring is sleeved outside the first compression column and distributed between the mounting frame and the extension plate, one end of the first spring is connected to the extension plate, and the other end of the first spring is connected to the mounting frame; the first compression column is in threaded connection with an adjusting nut, and the extension plate is distributed between the adjusting nut and the first spring; the free end of extension board is configured with the second and compresses tightly the post, the lower extreme that the second compressed tightly the post is configured with the clamp plate.

According to a preferred embodiment, the lower end of the first compression column is provided with a clamping block; the upper surface of the mounting rack is provided with an embedded blind hole, the embedded blind hole comprises a guide section, and the inner wall of the guide section is provided with a guide groove matched with the clamping block in shape; the bottom of the guide section is provided with a fixed section which is respectively communicated with the guide section and the guide groove, and the fixed section is matched with the clamping block in shape.

According to a preferred embodiment, the second pressing column penetrates through the extension plate and is connected with the extension plate in a sliding manner, and a second spring is sleeved outside the second pressing column and distributed between the extension plate and the pressing plate; one end of the second spring is connected to the extension plate, and the other end is connected to the pressure plate.

According to a preferred embodiment, the upper end of the first pressing column is provided with an operating plate.

According to a preferred embodiment, the guide section and the fastening section are cylindrical, and the inner diameter of the fastening section is greater than the inner diameter of the guide section.

According to a preferred embodiment, the mounting frame is rectangular, the first direction is parallel to the length direction of the mounting frame, and the second direction is parallel to the width direction of the mounting frame; the mounting frame is provided with a fixing hole in a penetrating mode.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:

(1) the limiting grooves arranged on the first positioning block and the second positioning block are matched with each other to position the circuit board, and the circuit board is pressed and fixed by the pressing assembly, so that the circuit board can be fixedly installed without screws, and the circuit board is convenient to disassemble, assemble and maintain.

(2) The limiting gap formed between the circuit board and the mounting rack is convenient for workers to detach the circuit board from the positioning block.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a cross-sectional view of section A-A of FIG. 1;

fig. 3 is a partially enlarged view of the structure at B in fig. 2.

Icon: 1-a second positioning block, 2-a first positioning block, 3-an operation plate, 4-a fixing hole, 5-a mounting frame, 6-a circuit board, 7-a detachable gap, 8-a first pressing column, 9-an extension plate, 10-a second pressing column, 11-a second spring, 12-a pressing plate, 13-a clamping block, 14-a fixing section, 15-a guide groove, 16-a guide section, 17-a first spring and 18-an adjusting nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, a circuit board 6 mounting assembly includes a mounting frame 5, wherein a positioning block is disposed on an upper surface of the mounting frame 5, and the positioning block includes a first positioning block 2 and a second positioning block 1. As shown in fig. 1, at least one set of first positioning blocks 2 is symmetrically arranged on the upper surface of the mounting frame 5 along the first direction, at least one set of second positioning blocks 1 is symmetrically arranged on the upper surface of the mounting frame 5 along the second direction, the first positioning blocks 2 and the second positioning blocks 1 are respectively provided with a limiting groove for clamping the circuit board 6, and when the circuit board 6 is clamped in the limiting groove, a clearance 7 which is easy to disassemble is formed between the circuit board 6 and the mounting frame 5. The first direction is perpendicular to the second direction. The pressing device further comprises pressing components arranged on the upper surface of the mounting frame 5, and the pressing components and the positioning blocks are distributed in a one-to-one correspondence mode. In this embodiment, the first positioning block 2 and the second positioning block 1 have the same shape, and the first positioning block 2 and the second positioning block 1 respectively perform the limiting support on the circuit board 6 in the first direction and the second direction, so as to position the circuit board 6. The distance between the two first positioning blocks 2 which are symmetrically arranged and the distance between the two second positioning blocks 1 which are symmetrically distributed are set according to the size of the circuit board 6 to be limited. In this embodiment, in order to prevent that 6 faces of circuit board from being damaged by pressure, dispose the rubber gasket in the bottom of spacing groove, when the rubber gasket plays the guard action to 6 faces of circuit board here, can increase its and locating piece between frictional force, be convenient for circuit board 6's fixed mounting. When the circuit board fixing device is used, firstly, the circuit board 6 is clamped and positioned through the limiting grooves on the first positioning block 2 and the second positioning block 1, and then the pressing force is applied to the circuit board 6 in the longitudinal direction through the pressing assembly to realize the fixed installation of the circuit board; when the circuit board 6 needs to be removed for replacement and maintenance, the hold-down assembly is removed first to be detached from the circuit board 6, and then a removal tool such as a screwdriver or the like is used to apply a force away from the limiting groove to the circuit board 6 from the easy-to-detach gap 7, thereby removing it. In this embodiment, the limiting grooves arranged on the first positioning block 2 and the second positioning block 1 are matched with each other to position the circuit board 6, the circuit board 6 is pressed and fixed by the pressing component, the circuit board 6 can be fixedly mounted without screws, and the limiting gap between the circuit board 6 and the mounting frame 5 is convenient for a worker to detach the circuit board 6 from the positioning blocks.

In this embodiment, the mounting frame 5 is rectangular, the first direction is parallel to the length direction of the mounting frame 5, and the second direction is parallel to the width direction of the mounting frame 5. The mounting frame 5 is provided with a fixing hole 4 in a penetrating way. When the circuit board mounting device is used, the circuit board 6 is fixedly mounted on the mounting frame 5, and then the mounting frame 5 is mounted on equipment through screws. The fixing holes 4 are used here for mounting screws.

Further, the pressing component at least comprises a first pressing column 8, and the first pressing column 8 is embedded in the mounting frame 5. As shown in fig. 2 and 3, an extension plate 9 is slidably connected to the first pressing column 8, a first spring 17 is sleeved outside the first pressing column 8, the first spring 17 is distributed between the mounting frame 5 and the extension plate 9, one end of the first spring 17 is connected to the extension plate 9, and the other end is connected to the mounting frame 5; the first compression column 8 is connected with an adjusting nut 18 through threads, and the extension plate 9 is distributed between the adjusting nut 18 and the first spring 17. The free end of the extension plate 9 is provided with a second pressing column 10, and the lower end of the second pressing column 10 is provided with a pressing plate 12. In this embodiment, the first spring 17 supports the extension plate 9, so that the extension plate always abuts against the adjusting nut 18, and the pressing plate 12 mounted on the extension plate 9 can press and fix the circuit board 6 from top to bottom. When the circuit board pressing device is used, after the circuit board 6 is clamped in the limiting groove, the extending plate 9 is rotated to enable the pressing plate 12 to be located above the circuit board 6, the adjusting nut 18 is rotated to enable the extending plate to move downwards along the axial direction of the first pressing column 8, therefore, the extending plate 9 is pushed to move downwards along the axial direction of the first pressing column 8, and the pressing of the pressing plate 12 on the circuit board 6 is achieved.

In this embodiment, as shown in fig. 3, a lower end of the first pressing column 8 is provided with a clamping block 13. The upper surface of mounting bracket 5 has been seted up and has been inlayed the blind hole, should inlay the blind hole and establish the guide way 15 including guide section 16, the inner wall of guide section 16 seted up with the appearance adaptation of chucking piece 13. The bottom of the guide section 16 is provided with a fixed section 14, the fixed section 14 is respectively communicated with the guide section 16 and the guide groove 15, and the fixed section 14 is matched with the clamping block 13 in shape. Preferably, the guiding section 16 and the fixing section 14 are cylindrical, and the inner diameter of the fixing section 14 is larger than that of the guiding section 16. The connected guide section 16 and the fastening section 14 form a stepped hole with a small top and a large bottom. Specifically, when the circuit board 6 is not fixed, the first pressing column 8 enables the clamping block 13 to be slidably clamped in the guide groove 15 under the action of the first spring 17, so that the pressing plate 12 does not abut against the circuit board 6 without operating the adjusting nut 18. When the circuit board 6 needs to be pressed and fastened, the extension plate 9 is rotated to enable the pressing plate 12 to be located above the circuit board 6, then a worker applies pressure to the first pressing column 8 in the longitudinal direction until the clamping block 13 enters the area of the fixing section 14, and then the first pressing column 8 rotates in the circumferential direction by a certain angle to enable the clamping block 13 to be clamped in the fixing section 14, so that the first pressing column 8 is fixed in the longitudinal height, and at the moment, the pressing plate 12 abuts against the circuit board 6.

Furthermore, a second pressing column 10 penetrates through the extension plate 9 and is slidably connected with the extension plate, a second spring 11 is sleeved outside the second pressing column 10, and the second spring 11 is distributed between the extension plate 9 and the pressing plate 12. One end of the second spring 11 is connected to the extension plate 9, and the other end is connected to the pressing plate 12. In the present embodiment, when the longitudinal height of the first pressing column 8 is fixed, the pressing plate 12 abuts against the surface of the circuit board 6, and the second spring 11 is compressed. To achieve the above effect, the design requirements of this embodiment are as follows: the compression distance at which the longitudinal height of the first hold-down post 8 is determined is greater than the distance between the hold-down plate 12 and the circuit board 6. The pressing force between the pressing plate 12 and the circuit board 6 can be adjusted by setting the height of the adjusting nut 18.

In order to facilitate the force application of the worker to the first pressing column 8, the upper end of the first pressing column 8 is provided with the operation plate 3. The operating plate 3 is cylindrical, the diameter of the operating plate is larger than that of the first pressing column 8, and therefore the operating plate is convenient for a worker to hold.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A circuit board (6) mounting assembly characterized by: the positioning device comprises a mounting rack (5), wherein a positioning block is arranged on the upper surface of the mounting rack (5), and comprises a first positioning block (2) and a second positioning block (1);

the mounting frame is characterized in that at least one group of first positioning blocks (2) are symmetrically arranged on the upper surface of the mounting frame (5) along a first direction, at least one group of second positioning blocks (1) are symmetrically arranged on the upper surface of the mounting frame (5) along a second direction, limiting grooves used for clamping a circuit board (6) are respectively arranged on the first positioning blocks (2) and the second positioning blocks (1), and when the circuit board (6) is clamped in the limiting grooves, a conveniently-disassembled gap (7) is formed between the circuit board (6) and the mounting frame (5); the first direction is perpendicular to the second direction;

the pressing device is characterized by further comprising pressing components arranged on the upper surface of the mounting rack (5), and the pressing components and the positioning blocks are distributed in a one-to-one correspondence mode.

2. A circuit board (6) mounting assembly according to claim 1, wherein: the pressing component at least comprises a first pressing column (8), and the first pressing column (8) is embedded in the mounting rack (5);

an extension plate (9) is connected onto the first pressing column (8) in a sliding manner, a first spring (17) is sleeved outside the first pressing column (8), the first spring (17) is distributed between the mounting frame (5) and the extension plate (9), one end of the first spring (17) is connected to the extension plate (9), and the other end of the first spring (17) is connected to the mounting frame (5); an adjusting nut (18) is connected to the first pressing column (8) in a threaded mode, and the extension plate (9) is distributed between the adjusting nut (18) and the first spring (17);

The free end of the extension plate (9) is provided with a second pressing column (10), and the lower end of the second pressing column (10) is provided with a pressing plate (12).

3. A circuit board (6) mounting assembly according to claim 2, wherein: the lower end of the first pressing column (8) is provided with a clamping block (13);

the upper surface of the mounting frame (5) is provided with an embedded blind hole, the embedded blind hole comprises a guide section (16), and the inner wall of the guide section (16) is provided with a guide groove (15) matched with the appearance of the clamping block (13); the bottom of the guide section (16) is provided with a fixed section (14), the fixed section (14) is respectively communicated with the guide section (16) and the guide groove (15), and the fixed section (14) is matched with the clamping block (13) in shape.

4. A circuit board (6) mounting assembly according to claim 2 or 3, characterized in that: the second pressing column (10) penetrates through the extension plate (9) and is connected with the extension plate in a sliding mode, a second spring (11) is sleeved outside the second pressing column (10), and the second spring (11) is distributed between the extension plate (9) and the pressing plate (12);

one end of the second spring (11) is connected to the extension plate (9), and the other end is connected to the pressing plate (12).

5. The circuit board (6) mounting assembly of claim 4, wherein: the upper end of the first pressing column (8) is provided with an operating plate (3).

6. A circuit board (6) mounting assembly according to claim 3, wherein: the guide section (16) and the fixing section (14) are both cylindrical, and the inner diameter of the fixing section (14) is larger than that of the guide section (16).

7. A circuit board (6) mounting assembly according to claim 1, wherein: the mounting rack (5) is in a cuboid shape, the first direction is parallel to the length direction of the mounting rack (5), and the second direction is parallel to the width direction of the mounting rack (5);

the mounting frame (5) is provided with a fixing hole (4) in a penetrating mode.