Infrared touch PCBA assembly structure

Abstract

The utility model discloses an infrared touch PCBA (Printed Circuit Board Assembly) assembly structure which comprises a frame, a mounting groove is arranged at the top end in the frame, a PCBA board is arranged at the top end in the mounting groove, and lamp beads are arranged at the top end of the PCBA board. According to the infrared touch PCBA assembly structure, the connecting plate, the limiting spring, the damper and the supporting block are arranged, when a PCBA board is placed at the top end of the supporting block, the limiting spring can support the PCBA board through the elasticity of the limiting spring, and due to the fact that the limiting spring has the elasticity and can support the PCBA board, the PCBA board is not prone to falling off; the PCBA boards with different thicknesses can be conveniently assembled in the frame through the limiting springs, the dampers are arranged in the limiting springs and can limit the limiting springs, and therefore the stability of the PCBA boards can be improved, the situation that the PCBA boards are driven by the limiting springs to shake excessively, use of the PCBA boards is affected is prevented, and the service life of the PCBA boards is prolonged. The problems that PCBA boards with different thicknesses are inconvenient to assemble and the flexibility is poor are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCBA assembly, in particular to an infrared touch PCBA assembly structure. Background Art

[0002] PCBA is also called circuit board, which means that the PCB blank board has gone through the entire process of SMT mounting or DIP plug-in. At present, the infrared touch interactive all-in-one machines on the market all use infrared touch PCBA, which adopts a structure with lamp beads facing inward and tempered glass fixed by aluminum profile frame. The traditional infrared touch PCBA assembly structure is not convenient for assembling PCBA boards of different thicknesses during use, and has poor flexibility.

[0003] Therefore, we proposed a new infrared touch PCBA assembly structure to improve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an infrared touch PCBA assembly structure to solve the problem of inconvenience in assembling PCBA boards of different thicknesses and poor flexibility proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an infrared touch PCBA assembly structure, comprising a frame, a mounting groove is provided at the top of the frame, a PCBA board is provided at the top of the mounting groove, a lamp bead is installed at the top of the PCBA board, an outer wall is provided on the right side of the top of the frame, a tempered glass is installed at the top of the outer wall, a filter is installed on the left side of the top of the tempered glass, a display module is provided on the left side of the frame, a connecting plate is provided at the four corners of the bottom end of the mounting groove, a limit spring is provided at the four corners between the connecting plate and the PCBA board, a damper is provided inside the limit spring, a support block is fixedly connected to the top of the limit spring and the damper, and a bottom plate is installed at the four corners of the bottom end of the PCBA board.

[0006] Preferably, four groups of the limit springs and dampers are respectively provided, and the dampers are symmetrically distributed about the vertical center line of the PCBA board.

[0007] Preferably, the bottom end of the plate is fixedly connected to a limiting clamping block, and a limiting clamping groove is provided at the top end inside the supporting block.

[0008] Preferably, the limiting card block is embedded in the limiting card slot, and the limiting card block and the limiting card slot cooperate with each other.

[0009] Preferably, a limiting slide block is fixedly connected to one side of the bottom plate, and limiting slide grooves are provided at both ends of the inside of the installation groove, and the limiting slide block slides up and down inside the limiting slide groove.

[0010] Preferably, a mounting block is installed at the top of the filter element, a mounting slot is provided at the top of the interior of the frame, and the mounting block is embedded in the mounting slot.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the infrared touch PCBA assembly structure not only facilitates the assembly of PCBAs of different thicknesses, facilitates the positioning of the PCBA board, but also facilitates the positioning of the filter element;

[0012] (1) By providing a connecting plate, a limit spring, a damper and a support block, when the PCBA board is placed on the top of the support block, the limit spring will support the PCBA board through its own elasticity. Since the limit spring is elastic and can support the PCBA board, the limit spring can facilitate the assembly of PCBA boards of different thicknesses inside the frame. A damper is provided inside the limit spring, and the damper can limit the limit spring, thereby improving the stability of the PCBA board and preventing the limit spring from causing the PCBA board to shake too much, thereby affecting the use of the PCBA board;

[0013] (2) By setting a limit card block, a limit card slot, a limit slider and a limit slot, the PCBA board is tilted when preventing the PCBA board from being tilted, and then the limit slider is embedded in the limit slot, so that the PCBA board can be limited to prevent the limit slider from accidentally escaping from the limit slot. When placing the PCBA board, the limit spring will cause the support block to rise through its own elasticity, so that the limit card block can be embedded in the limit card slot. The limit card block and the limit slot can limit the PCBA board to complete the assembly of the PCBA board;

[0014] (3) By providing an installation slot and an installation block, when installing the filter and the tempered glass, the installation block slides inside the installation slot. The installation slot can limit the filter and the tempered glass through the installation block, thereby preventing the filter and the tempered glass from shifting during use. The installation slot and the installation block can improve the stability of the filter and the tempered glass. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the enlarged structure of the PCBA board of the utility model when viewed from above;

[0017] Figure 3 This is a front view enlarged structural diagram of the limit spring of the utility model;

[0018] Figure 4 For the utility model Figure 1 Schematic diagram of the enlarged cross-section structure at point A in the middle.

[0019] In the figure: 1. frame; 2. mounting slot; 3. connecting plate; 4. limit spring; 5. PCBA board; 6. lamp beads; 7. bottom plate; 8. filter; 9. tempered glass; 10. outer wall; 11. display module; 12. limit card block; 13. limit card slot; 14. damper; 15. support block; 16. limit slider; 17. limit slide slot; 18. installation card slot; 19. installation card block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1: Please refer to Figure 1-4 , an infrared touch PCBA assembly structure, including a frame 1, a mounting groove 2 is arranged at the top of the frame 1, a PCBA board 5 is arranged at the top of the mounting groove 2, a lamp bead 6 is installed at the top of the PCBA board 5, an outer wall 10 is arranged on the right side of the top of the frame 1, a tempered glass 9 is installed at the top of the outer wall 10, a filter 8 is installed on the left side of the top of the tempered glass 9, a display module 11 is arranged on the left side of the frame 1, a connecting plate 3 is arranged at the four corners of the bottom end of the mounting groove 2, a limit spring 4 is arranged at the four corners between the connecting plate 3 and the PCBA board 5, a damper 14 is arranged inside the limit spring 4, a support block 15 is fixedly connected to the top of the limit spring 4 and the damper 14, and a bottom plate 7 is installed at the four corners of the bottom end of the PCBA board 5;

[0022] There are four groups of limit springs 4 and dampers 14, respectively, and the dampers 14 are symmetrically distributed about the vertical center line of the PCBA board 5;

[0023] Specifically, Figure 1 and Figure 3 As shown, when the PCBA board 5 is placed on the top of the support block 15, the limit spring 4 will support the PCBA board 5 through its own elasticity. Since the limit spring 4 is elastic and can support the PCBA board 5, the limit spring 4 can be provided to facilitate the assembly of PCBA boards 5 of different thicknesses inside the frame 1. A damper 14 is provided inside the limit spring 4. The damper 14 can limit the limit spring 4, thereby improving the stability of the PCBA board 5 and preventing the limit spring 4 from causing the PCBA board 5 to shake too much, thereby affecting the use of the PCBA board 5.

[0024] Embodiment 2: The bottom end of the bottom plate 7 is fixedly connected to the limit card block 12, the top of the support block 15 is provided with a limit card slot 13, the limit card block 12 is embedded in the limit card slot 13, the limit card block 12 and the limit card slot 13 cooperate with each other, one side of the bottom plate 7 is fixedly connected to the limit slider 16, and the two ends of both sides of the inside of the installation groove 2 are provided with limit slide grooves 17, and the limit slider 16 slides up and down inside the limit slide groove 17;

[0025] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, when preventing the PCBA board 5 from tilting, the limiting slider 16 is embedded in the limiting slot 17, so that the PCBA board 5 can be limited to prevent the limiting slider 16 from accidentally escaping from the limiting slot 17. When placing the PCBA board 5, the limiting spring 4 will make the support block 15 rise through its own elasticity, so that the limiting card block 12 can be embedded in the limiting card slot 13. The limiting card block 12 and the limiting card slot 13 can limit the PCBA board 5 to complete the assembly of the PCBA board 5.

[0026] Embodiment 3: A mounting block 19 is installed at the top of the filter 8, a mounting slot 18 is opened at the top of the interior of the frame 1, and the mounting block 19 is embedded in the interior of the mounting slot 18;

[0027] Specifically, Figure 1 and Figure 4 As shown, when installing the filter 8 and the tempered glass 9, the installation block 19 is made to slide inside the installation slot 18. The installation slot 18 can limit the filter 8 and the tempered glass 9 through the installation block 19, thereby preventing the filter 8 and the tempered glass 9 from shifting during use. The provision of the installation slot 18 and the installation block 19 can improve the stability of the filter 8 and the tempered glass 9.

[0028] Working principle: When the utility model is in use, the PCBA board 5 is placed on the top of the support block 15, and the PCBA board 5 is tilted when preventing the PCBA board 5, and then the limit slider 16 is embedded in the inside of the limit slide groove 17, so that the PCBA board 5 can be limited to prevent the limit slider 16 from accidentally escaping from the inside of the limit slide groove 17. When the PCBA board 5 is placed, the limit spring 4 will make the support block 15 rise through its own elasticity, and the limit spring 4 will support the PCBA board 5 through its own elasticity. Since the limit spring 4 is elastic and can support the PCBA board 5, the setting of the limit spring 4 can facilitate different thicknesses. The PCBA board 5 is assembled inside the frame 1, and a damper 14 is arranged inside the limit spring 4. The damper 14 can limit the limit spring 4, thereby improving the stability of the PCBA board 5 and preventing the limit spring 4 from driving the PCBA board 5 to shake too much. When the support block 15 rises, the limit card block 12 will be embedded in the limit card slot 13. The limit card block 12 and the limit card slot 13 can limit the PCBA board 5 to complete the assembly of the PCBA board 5. The installation card slot 18 can limit the filter 8 and the tempered glass 9 through the installation card block 19, thereby preventing the filter 8 and the tempered glass 9 from shifting during use.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An infrared touch PCBA assembly structure, comprising a frame (1), characterized in that: The top of the frame (1) is provided with a mounting groove (2), the top of the mounting groove (2) is provided with a PCBA board (5), the top of the PCBA board (5) is provided with a lamp bead (6), the right side of the top of the frame (1) is provided with an outer wall (10), the top of the outer wall (10) is provided with a tempered glass (9), the top of the tempered glass (9) is provided with a filter element (8), the left side of the top of the frame (1) is provided with a display module (11), the four corners of the bottom of the mounting groove (2) are provided with a connecting plate (3), the four corners between the connecting plate (3) and the PCBA board (5) are provided with a limit spring (4), the inside of the limit spring (4) is provided with a damper (14), the tops of the limit spring (4) and the damper (14) are fixedly connected with a support block (15), and the four corners of the bottom of the PCBA board (5) are provided with a bottom plate (7).

2. The infrared touch PCBA assembly structure according to claim 1, characterized in that: The limit springs (4) and dampers (14) are respectively provided in four groups, and the dampers (14) are symmetrically distributed about a vertical center line of the PCBA board (5).

3. The infrared touch PCBA assembly structure according to claim 1, characterized in that: The bottom end of the bottom plate (7) is fixedly connected to a limit clamping block (12), and the top end of the support block (15) is provided with a limit clamping groove (13).

4. The infrared touch PCBA assembly structure according to claim 3, characterized in that: The limit card block (12) is embedded in the limit card slot (13), and the limit card block (12) and the limit card slot (13) cooperate with each other.

5. The infrared touch PCBA assembly structure according to claim 1, characterized in that: A limiting slide block (16) is fixedly connected to one side of the bottom plate (7), and limiting slide blocks (17) are provided at both ends of the inside of the installation groove (2), and the limiting slide block (16) slides up and down inside the limiting slide block (17).

6. The infrared touch PCBA assembly structure according to claim 5, characterized in that: A mounting block (19) is installed at the top of the filter element (8), a mounting slot (18) is provided at the top of the interior of the frame (1), and the mounting block (19) is embedded in the interior of the mounting slot (18).

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