Anti-vibration electronic component PCB reinforcing and supporting device

Abstract

The invention discloses an anti-vibration electronic component PCB reinforcing and supporting device, and belongs to the field of PCB reinforcing and supporting. An anti-vibration electronic component PCB reinforcing and supporting device comprises a lower shell and an upper shell which are installed on a main PCB, and further comprises a plurality of connecting arms arranged on the upper shell, and a plurality of supporting rods arranged on the upper shell, the clamping sleeve is fixedly arranged at the end part of the connecting arm, and the clamping sleeve corresponds to an auxiliary PCB (Printed Circuit Board); a plurality of mounting holes are formed in the upper shell and the lower shell; the working stability of the main PCB and the auxiliary PCB in a vibration environment is effectively improved, the phenomenon that the pins are broken is prevented, and meanwhile the situation that the buffering effect of the lower sponge buffering cushion is reduced due to the fact that the main PCB extrudes the lower sponge buffering cushion for a long time is effectively prevented.

Description

Technical Field

[0001] The invention relates to the technical field of PCB reinforcement support, and in particular to a vibration-resistant electronic component PCB reinforcement support device. Background Art

[0002] In the wide application scenarios of modern electronic equipment, whether it is electronic control systems in industrial production equipment, transportation vehicles, or electronic devices in special fields such as aerospace and military equipment, they will inevitably face various complex vibration environments. Vibration, as a common external interference factor, poses a serious threat to the core components of electronic equipment, printed PCB boards (PCB boards). Therefore, PCB boards with anti-vibration functions are widely used, but PCB boards are sometimes divided into main PCB boards and auxiliary PCB boards. The auxiliary PCB boards need to be fixed to the main PCB boards to realize the corresponding functions.

[0003] At present, when fixing the auxiliary PCB board, it is generally fixed by directly inserting pins in combination with soldering. However, in actual application in a vibration environment, since the vibration cannot be completely offset, it may cause slight shaking. At this time, the shaking of the auxiliary PCB board may cause the pins to break and affect its normal operation. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a vibration-resistant electronic component PCB board reinforcement support device that can overcome the above problems or at least partially solve the above problems.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A vibration-resistant electronic component PCB board reinforcement support device comprises: a lower shell and an upper shell installed on a main PCB board, and also comprises: a plurality of connecting arms arranged on the upper shell; a jacket fixedly arranged at the end of the connecting arm, and the jacket corresponds to the auxiliary PCB board; a plurality of mounting holes are arranged on the upper shell and the lower shell.

[0007] In order to facilitate the protection of the auxiliary PCB board, further, a U-shaped sponge buffer pad is fixedly connected in the jacket.

[0008] In order to facilitate the buffering of the main PCB board, further, a lower sponge buffer pad is fixedly connected in the lower shell, an upper sponge buffer pad is fixedly connected in the upper shell, and the main PCB board is placed between the lower sponge buffer pad and the upper sponge buffer pad.

[0009] In order to facilitate the installation of the upper shell and the lower shell, further, the upper shell and the lower shell are fixedly connected by screws.

[0010] In order to prevent the lower sponge buffer from being squeezed for a long time and reducing the buffering effect, further, a support gap is provided between the lower sponge buffer and the lower housing, and between the upper sponge buffer and the upper housing. The outer edge of the main PCB board extends into the support gap. A plurality of installation cavities are provided in the lower housing. A support rod is slidably provided on one side of the installation cavity. The support rod is used to support the main PCB board. When the device is running, the support rod slides into the installation cavity and no longer supports the main PCB board. When the device is not running, the support rod slides from the installation cavity into the support gap to support the main PCB board. An inclined surface is provided at the end of the support rod.

[0011] In order to facilitate the sliding of the support rod, further, a first spring is fixedly connected between the end of the support rod and the installation cavity. A first metal plate is provided at the end of the support rod. An electromagnetic ring is provided in the installation cavity. The electromagnetic ring corresponds to the first metal plate. When the device is running, the main PCB board controls the electromagnetic ring to be energized, and the first metal plate drives the support rod to slide towards the electromagnetic ring under the action of magnetic attraction.

[0012] In order to facilitate the buffering of the support rod, further, first limiting rods are symmetrically and fixedly connected in the installation cavity. First connecting ears are symmetrically and fixedly connected to the electromagnetic ring. The first connecting ears are slidably provided on the first limiting rods, and a second spring is fixedly connected between the first connecting ears and the installation cavity.

[0013] In order to facilitate the better movement of the support rod, further, second limiting rods are symmetrically provided in the installation cavity. An electromagnetic plate is provided in the installation cavity. A second metal plate corresponding to the electromagnetic plate is provided at the end of the support rod. A third spring is fixedly connected between the electromagnetic plate and the installation cavity. Second connecting ears are symmetrically provided on both sides of the electromagnetic plate, and the second connecting ears are slidably provided on the second limiting rods.

[0014] In order to facilitate the detection of the crosstalk of the main PCB board, further, a displacement sensor corresponding to the electromagnetic plate is fixedly connected in the installation cavity.

[0015] In order to facilitate the pushing of the main PCB board, further, a first straight groove, a spiral groove and a second straight groove are sequentially provided on the support rod. A convex block is fixedly connected to the lower housing. The first straight groove, the spiral groove and the second straight groove all correspond to the convex block. A support plate is fixedly connected to the end of the support rod. An arc-shaped protrusion is provided on one side of the support plate, and the arc-shaped protrusion is inclined.

[0016] Compared with the prior art, the present invention provides an anti-vibration electronic component PCB board reinforcement and support device, which has the following beneficial effects:

[0017] 1. For this anti-vibration electronic component PCB board reinforcement and support device, when manufacturing the main PCB board, first install the upper shell and the lower shell onto the main PCB board. According to the position of the specific sub-PCB board, install the connecting arm with a jacket on the upper shell, so that the jacket is sleeved on the upper side of the sub-PCB board, thereby realizing the reinforcement of the main PCB board and the sub-PCB board, reducing the vibration amplitude of the sub-PCB board, effectively improving the stability of the main PCB board and the sub-PCB board when working in a vibration environment, and preventing the occurrence of fracture at its pin positions.

[0018] 2. This anti-vibration electronic component PCB board reinforcement and support device realizes the installation of the main PCB board through the lower shell and the upper shell. At the same time, it realizes the buffering of the main PCB board through the lower sponge buffer pad and the upper sponge buffer pad, adopting an integrated buffering structure, which is convenient for the subsequent installation of the main PCB board.

[0019] 3. For this anti-vibration electronic component PCB board reinforcement and support device, when the device on which the main PCB board is installed works, the control module of the main PCB board controls the electromagnetic ring to be energized, and the electromagnetic ring generates magnetic suction to adsorb the first metal plate. At this time, the support rod slides into the installation cavity, releasing the support for the main PCB board. At this time, the lower sponge buffer pad realizes the support and buffering of the main PCB board. When the device does not work, the electromagnetic ring is powered off. At this time, under the action of the first spring, the support rod resets, and the support rod moves to the lower side of the main PCB board under the action of the inclined surface to support the main PCB board, thereby effectively preventing the main PCB board from squeezing the lower sponge buffer pad for a long time, resulting in a reduction in the buffering effect of the lower sponge buffer pad.

[0020] The parts not involved in this device are the same as the prior art or can be realized by using the prior art. The present invention effectively improves the stability of the main PCB board and the sub-PCB board when working in a vibration environment, prevents the occurrence of fracture at its pin positions, and at the same time effectively prevents the main PCB board from squeezing the lower sponge buffer pad for a long time, resulting in a reduction in the buffering effect of the lower sponge buffer pad. Description of the Drawings

[0021] Figure 1 It is a schematic structural diagram of an anti-vibration electronic component PCB board reinforcement and support device proposed by the present invention;

[0022] Figure 2 It is an unfolded schematic structural diagram of an anti-vibration electronic component PCB board reinforcement and support device proposed by the present invention;

[0023] Figure 3 It is a schematic sectional view of an anti-vibration electronic component PCB board reinforcement and support device proposed by the present invention;

[0024] Figure 4 It is an anti-vibration electronic component PCB board reinforcement and support device proposed by the present inventionFigure 3 Enlarged schematic view at position A in the middle

[0025] Figure 5 Schematic structural view of the lower housing in a vibration-resistant electronic component PCB board reinforcement and support device proposed by the present invention

[0026] Figure 6 Schematic structural view of the support rod and the installation cavity in a vibration-resistant electronic component PCB board reinforcement and support device proposed by the present invention

[0027] Figure 7 Schematic view of the support rod, the first metal plate, the second metal plate and the support plate in a vibration-resistant electronic component PCB board reinforcement and support device proposed by the present invention

[0028] In the figure: 1. Lower housing; 101. Lower sponge buffer; 102. Installation hole; 103. Main PCB board; 104. Sub-PCB board; 105. Support gap; 2. Upper housing; 201. Upper sponge buffer; 202. Screw; 203. Connecting arm; 204. Clamping sleeve; 205. U-shaped sponge buffer; 3. Installation cavity; 301. Support rod; 302. Inclined surface; 303. First spring; 304. Support plate; 305. Arc-shaped protrusion; 306. First straight groove; 307. Spiral groove; 308. Second straight groove; 309. First metal plate; 310. Second metal plate; 4. Electromagnetic ring; 401. First connecting ear; 402. First limiting rod; 403. Second spring; 5. Electromagnetic plate; 501. Second connecting ear; 502. Second limiting rod; 503. Third spring; 504. Displacement sensor Specific implementation mode

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments

[0030] Embodiment 1: Refer to Figures 1 - 7 , a vibration-resistant electronic component PCB board reinforcement and support device, including: a lower housing 1 and an upper housing 2 installed on the main PCB board 103, and further including: a plurality of connecting arms 203 provided on the upper housing 2; a clamping sleeve 204 fixedly provided at the end of the connecting arm 203, and the clamping sleeve 204 corresponds to the sub-PCB board 104; a plurality of installation holes 102 are provided on both the upper housing 2 and the lower housing 1

[0031] A U-shaped sponge buffer 205 is fixedly connected inside the clamping sleeve 204

[0032] In practical applications, when the main PCB board 103 is applied to a vibrating device, the vibration of the device will drive the main PCB board 103 to vibrate. The vibration received by the main PCB board 103 is reduced through a buffer structure. The secondary PCB board 104 is generally installed on the main PCB board 103 by means of the cooperation of pins and soldering. When manufacturing the main PCB board 103, first install the upper housing 2 and the lower housing 1 on the main PCB board 103. According to the position of the specific secondary PCB board 104, install the connecting arm 203 with a jacket 204 on the upper housing 2, so that the jacket 204 is sleeved on the upper side of the secondary PCB board 104, thereby realizing the reinforcement of the main PCB board 103 and the secondary PCB board 104, reducing the vibration amplitude of the secondary PCB board 104, effectively improving the stability of the main PCB board 103 and the secondary PCB board 104 when working in a vibrating environment, and preventing the occurrence of fracture at its pin positions.

[0033] In actual production and manufacturing, there are two ways to install the connecting arm 203. One is that after the main PCB board 103 and the secondary PCB board 104 are completely processed, the connecting arm 203 can be directly welded to the upper housing 2, and reinforcement can be achieved when assembling the upper housing 2 and the lower housing 1. Another way is to fix the connecting arm 203 to the upper housing 2 by means of bonding. At this time, the upper housing 2 and the lower housing 1 can be installed first. The upper housing 2 and the lower housing 1 can support the main PCB board 103, which is convenient for the soldering work of electronic components. After the processing is completed, apply strong glue to the connecting end of the connecting arm 203 and then fix it.

[0034] Example 2: Refer to Figures 1 - 7 , an anti-vibration electronic component PCB board reinforcement and support device, which is basically the same as Example 1. Further, a lower sponge buffer pad 101 is fixedly connected inside the lower housing 1, and an upper sponge buffer pad 201 is fixedly connected inside the upper housing 2. The main PCB board 103 is placed between the lower sponge buffer pad 101 and the upper sponge buffer pad 201.

[0035] The upper housing 2 and the lower housing 1 are fixedly connected by screws 202.

[0036] In the actual application process, the installation of the main PCB board 103 is realized through the lower housing 1 and the upper housing 2. At the same time, the buffer of the main PCB board 103 is realized through the lower sponge buffer pad 101 and the upper sponge buffer pad 201. An integrated buffer structure is adopted, which is convenient for the subsequent installation of the main PCB board 103.

[0037] Example 3: Refer to Figures 1 - 7, an anti-vibration electronic component PCB board reinforcement and support device, which is basically the same as Embodiment 1. Further, a support gap 105 is provided between the lower sponge buffer pad 101 and the lower housing 1, and between the upper sponge buffer pad 201 and the upper housing 2. The outer edge of the main PCB board 103 extends into the support gap 105. A plurality of installation cavities 3 are provided in the lower housing 1. A support rod 301 is slidably provided on one side of the installation cavity 3. The support rod 301 is used to support the main PCB board 103. When the device is running, the support rod 301 slides into the installation cavity 3 and no longer supports the main PCB board 103. When the device is not running, the support rod 301 slides from the installation cavity 3 into the support gap 105 to support the main PCB board 103. An inclined surface 302 is provided at the end of the support rod 301.

[0038] A first spring 303 is fixedly connected between the end of the support rod 301 and the installation cavity 3. A first metal plate 309 is provided at the end of the support rod 301. An electromagnetic ring 4 is provided in the installation cavity 3. The electromagnetic ring 4 corresponds to the first metal plate 309. When the device is running, the main PCB board 103 controls the electromagnetic ring 4 to be energized, and the first metal plate 309 drives the support rod 301 to slide towards the electromagnetic ring 4 under the action of magnetic attraction.

[0039] In the specific implementation, when the device installed on the main PCB board 103 works, the control module of the main PCB board 103 controls the electromagnetic ring 4 to be energized. The electromagnetic ring 4 generates magnetic attraction to adsorb the first metal plate 309. At this time, the support rod 301 slides into the installation cavity 3 to release the support for the main PCB board 103. At this time, the lower sponge buffer pad 101 realizes the support and buffering of the main PCB board 103. When the device does not work, the electromagnetic ring 4 is powered off. At this time, under the action of the first spring 303, the support rod 301 is reset. The support rod 301 moves to the lower side of the main PCB board 103 under the action of the inclined surface 302 to support the main PCB board 103, thereby effectively preventing the lower sponge buffer pad 101 from being squeezed by the main PCB board 103 for a long time, resulting in a reduction in the buffering effect of the lower sponge buffer pad 101.

[0040] Embodiment 4: Refer to Figures 1 - 7 , an anti-vibration electronic component PCB board reinforcement and support device, which is basically the same as Embodiment 1. Further, first limiting rods 402 are symmetrically and fixedly connected in the installation cavity 3. First connecting ears 401 are symmetrically and fixedly connected to the electromagnetic ring 4. The first connecting ears 401 are slidably provided on the first limiting rods 402, and a second spring 403 is fixedly connected between the first connecting ears 401 and the installation cavity 3.

[0041] The electromagnetic ring 4 can be moved through the second spring 403 to prevent the main PCB board 103 from excessive crosstalk and increased extrusion force with the support rod 301, resulting in damage.

[0042] The second spring 403 can buffer the impact force when the support rod 301 hits the electromagnetic ring 4.

[0043] Second limiting rods 502 are symmetrically arranged in the installation cavity 3. An electromagnetic plate 5 is arranged in the installation cavity 3. A second metal plate 310 corresponding to the electromagnetic plate 5 is arranged at the end of the support rod 301. A third spring 503 is fixedly connected between the electromagnetic plate 5 and the installation cavity 3. Second connecting ears 501 are symmetrically arranged on both sides of the electromagnetic plate 5, and the second connecting ears 501 are slidably arranged on the second limiting rods 502.

[0044] In order to better control the movement of the support rod 301, the control module of the main PCB board 103 controls the electromagnetic ring 4 and the electromagnetic plate 5 to be energized. The electromagnetic plate 5 is relatively close to the second metal plate 310. At this time, it will first adsorb the support rod 301 to move a certain distance, and then the electromagnetic ring 4 serves as the main control component to control the support rod 301. When the electromagnetic ring 4 contacts the first metal plate 309, the second metal plate 310 pushes the electromagnetic plate 5 to move a certain distance, so that the third spring 503 is compressed, thereby facilitating the control of the movement of the support rod 301.

[0045] When the device is not working, the control module first controls the electromagnetic ring 4 to be powered off, and then controls the electromagnetic plate 5 to be powered off, so as to initially buffer the support rod 301 and prevent it from quickly moving towards the main PCB board 103 and causing damage to the main PCB board 103.

[0046] A displacement sensor 504 corresponding to the electromagnetic plate 5 is fixedly connected in the installation cavity 3.

[0047] A first straight groove 306, a spiral groove 307 and a second straight groove 308 are sequentially arranged on the support rod 301. A convex block is fixedly connected to the lower housing 1, and the first straight groove 306, the spiral groove 307 and the second straight groove 308 all correspond to the convex block. A support plate 304 is fixedly connected to the end of the support rod 301. An arc-shaped protrusion 305 is arranged on one side of the support plate 304, and the arc-shaped protrusion 305 is inclined.

[0048] During actual use, the support rod 301 contracts. When the end face of the support plate 304 of the support rod 301 corresponds to the outer edge of the main PCB board 103, at this time the convex block is located at the junction of the first straight groove 306 and the spiral groove 307, and at this time the second metal plate 310 just contacts the electromagnetic plate 5. When the support rod 301 is completely contracted, the convex block is located at the junction of the spiral groove 307 and the second straight groove 308, and the first metal plate 309 just contacts the electromagnetic ring 4.

[0049] During use, when the main PCB board 103 moves a certain distance and the outer edge of the main PCB board 103 presses one or more support plates 304, the displacement sensor 504 detects the displacement signal of the electromagnetic plate 5. At this time, the control module controls the electromagnetic ring 4 to be powered off and then restarted after a specified time. At this time, the support rod 301 is reset under the action of the third spring 503 and the first spring 303, and the support plate 304 presses the main PCB board 103 to reset it, effectively preventing the outer edge of the main PCB board 103 from contacting and wearing the support plate 304 for a long time. By setting the cooperation between the support plate 304 and the spiral groove 307, it is convenient to reasonably position the main PCB board 103, and repositioning can be achieved every time power is off. The arc-shaped protrusion 305 can reduce the contact area with the main PCB board 103 and prevent damage caused by excessive friction due to too large a contact surface.

[0050] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An anti-vibration PCB board reinforcement and support device for electronic components, comprising: The lower housing (1) and the upper housing (2) installed on the main PCB board (103), characterized in that it further comprises: A plurality of connecting arms (203), arranged on the upper housing (2); A jacket (204), fixedly arranged at the end of the connecting arm (203), and the jacket (204) corresponds to the secondary PCB board (104); A plurality of mounting holes (102) are arranged on both the upper housing (2) and the lower housing (1).

2. The anti-vibration electronic component PCB board reinforcement and support device according to claim 1, characterized in that, A U-shaped sponge cushion (205) is fixedly connected inside the jacket (204).

3. The anti-vibration electronic component PCB board reinforcement and support device according to claim 1, characterized in that, A lower sponge cushion (101) is fixedly connected inside the lower housing (1), an upper sponge cushion (201) is fixedly connected inside the upper housing (2), and the main PCB board (103) is placed between the lower sponge cushion (101) and the upper sponge cushion (201).

4. The anti-vibration electronic component PCB board reinforcement and support device according to claim 1, characterized in that, The upper housing (2) and the lower housing (1) are fixedly connected by screws (202).

5. The anti-vibration electronic component PCB board reinforcement and support device according to claim 3, characterized in that, Support gaps (105) are provided between the lower sponge cushion (101) and the lower housing (1) and between the upper sponge cushion (201) and the upper housing (2). The outer edge of the main PCB board (103) extends into the support gap (105). A plurality of mounting cavities (3) are provided inside the lower housing (1). A support rod (301) is slidably arranged on one side of the mounting cavity (3). The support rod (301) is used to support the main PCB board (103). When the device is running, the support rod (301) slides into the mounting cavity (3) and no longer supports the main PCB board (103). When the device is not running, the support rod (301) slides from the mounting cavity (3) into the support gap (105) to support the main PCB board (103). An inclined surface (302) is provided at the end of the support rod (301).

6. The anti-vibration electronic component PCB board reinforcement and support device according to claim 5, characterized in that, A first spring (303) is fixedly connected between the end of the support rod (301) and the mounting cavity (3). A first metal plate (309) is provided at the end of the support rod (301). An electromagnetic ring (4) is provided inside the mounting cavity (3). The electromagnetic ring (4) corresponds to the first metal plate (309). When the device is running, the main PCB board (103) controls the electromagnetic ring (4) to be energized, and the first metal plate (309) drives the support rod (301) to slide towards the electromagnetic ring (4) under the action of magnetic attraction.

7. An anti-vibration electronic component PCB board reinforcement and support device according to claim 6, characterized in that, First limiting rods (402) are symmetrically and fixedly connected inside the mounting cavity (3). First connecting ears (401) are symmetrically and fixedly connected to the electromagnetic ring (4). The first connecting ears (401) are slidably arranged on the first limiting rods (402), and a second spring (403) is fixedly connected between the first connecting ears (401) and the mounting cavity (3).

8. An anti-vibration electronic component PCB board reinforcement and support device according to claim 6, characterized in that, Second limiting rods (502) are symmetrically arranged in the installation cavity (3). An electromagnetic plate (5) is arranged in the installation cavity (3). A second metal plate (310) corresponding to the electromagnetic plate (5) is arranged at the end of the support rod (301). A third spring (503) is fixedly connected between the electromagnetic plate (5) and the installation cavity (3). Second connecting lugs (501) are symmetrically arranged on both sides of the electromagnetic plate (5), and the second connecting lugs (501) are slidably arranged on the second limiting rods (502).

9. The anti-vibration electronic component PCB board reinforcement and support device according to claim 8, characterized in that, A displacement sensor (504) corresponding to the electromagnetic plate (5) is fixedly connected in the installation cavity (3).

10. A vibration-resistant electronic component PCB board reinforcement and support device according to claim 5, characterized in that, A first straight groove (306), a spiral groove (307) and a second straight groove (308) are successively arranged on the support rod (301). A convex block is fixedly connected to the lower shell (1), and the first straight groove (306), the spiral groove (307) and the second straight groove (308) all correspond to the convex block. A support plate (304) is fixedly connected to the end of the support rod (301). An arc-shaped protrusion (305) is arranged on one side of the support plate (304), and the arc-shaped protrusion (305) is inclined.

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