CN215420926U

CN215420926U - Circuit board that crack control effect is good

Info

Publication number: CN215420926U
Application number: CN202121862824.1U
Authority: CN
Inventors: 邓玉泉
Original assignee: Hubei Yihong Precision Manufacturing Co ltd
Current assignee: Hubei Yihong Precision Manufacturing Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-04
Anticipated expiration: 2031-08-10

Abstract

The utility model belongs to the technical field of circuit boards, and particularly relates to a circuit board with a good anti-cracking effect, which comprises a bottom plate, a pressing plate, a circuit board body and a buffer assembly, wherein the bottom plate is provided with a plurality of through holes; the top of the bottom plate is provided with a mounting groove; a first sliding groove is formed in the inner side wall of the bottom end of the mounting groove; the circuit board body is placed inside the mounting groove; the group of pressing plates are arranged on the top of the bottom plate; the buffer assembly comprises a sliding plate, a first damping spring, a rubber bulge and a damping mechanism; the end part of the first damping spring is fixedly connected to the inner side wall of the bottom end of the first sliding chute; the sliding plate is fixedly connected to the end part of the first damping spring; the rubber bulge is fixedly connected to the top of the sliding plate and is in contact with the bottom of the circuit board body; the group of damping mechanisms are arranged inside the bottom plate; when the circuit board body receives external impact, the circuit board is subjected to shock absorption and buffering under the action of the shock absorption mechanism and the first shock absorption spring, the circuit board body is protected, and the circuit board is prevented from being broken.

Description

Circuit board that crack control effect is good

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a circuit board with a good anti-cracking effect.

Background

The circuit board is also called as a circuit board, and mainly comprises a bonding pad, a via hole, a mounting hole, a lead, a component, a connector, filling, an electrical boundary and the like.

In the prior art, the circuit board is easy to break when being impacted or pressed by external force, so that the service cycle of an electronic product is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model provides a circuit board with a good anti-cracking effect, which aims to make up for the defects of the prior art and solve the problem that the circuit board is easy to break when being impacted or pressed by external force, so that the service cycle of an electronic product is shortened.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the circuit board with good anti-cracking effect comprises a bottom plate, a pressing plate, a circuit board body and a buffer assembly; the top of the bottom plate is provided with a mounting groove; a first sliding groove is formed in the inner side wall of the bottom end of the mounting groove; the circuit board body is placed inside the mounting groove; the group of pressing plates are arranged on the top of the bottom plate and are positioned at the corners of the bottom plate; the buffer assembly is arranged inside the bottom plate; the buffer assembly comprises a sliding plate, a first damping spring, a rubber bulge and a damping mechanism; the end part of the first damping spring is fixedly connected to the inner side wall of the bottom end of the first sliding chute; the sliding plate is fixedly connected to the end part of the first damping spring and is in sliding fit with the inner side wall of the first sliding chute; the rubber bulge is fixedly connected to the top of the sliding plate and is in contact with the bottom of the circuit board body; the group of damping mechanisms are arranged inside the bottom plate; fix the circuit board body through bottom plate and clamp plate, when the circuit board body received external shock, carry out the shock attenuation buffering to the circuit board through damper and first damping spring's effect, protect the circuit board body, avoid the circuit board to receive the impact to split.

Preferably, a second sliding groove is formed in the side wall of the mounting groove; the second sliding groove is positioned at the corner of the bottom plate; the damping mechanism comprises a rubber block, a base plate and a second damping spring; one end of the second damping spring is fixedly connected to the inner side wall of the second sliding chute; the backing plate is fixedly connected to the end part of the second damping spring and is in sliding fit with the inner side wall of the second sliding chute; the rubber block is fixedly connected to the side wall of the backing plate, is in sliding fit with the inner side wall of the second chute and is in contact with the corner of the circuit board body; when the circuit board body receives the impact, circuit board body edge extrusion block rubber for the block rubber promotes the backing plate and extrudes second damping spring, makes the protruding extrusion slide of rubber compress first damping spring, and the kinetic energy that will strike through the cooperation of first damping spring and second damping spring turns into first damping spring and second damping spring's elastic potential energy, thereby protects the circuit board body.

Preferably, the top of the bottom plate is provided with a jack; the side wall of the jack is rotatably connected with a threaded rod; the bottom of the pressure plate is fixedly connected with an inserted link; the insertion rod is in sliding fit with the inner side wall of the insertion hole, and the side wall of the insertion hole is provided with a threaded hole; the threaded rod is in threaded fit with the threaded hole; when the installation of bottom plate and clamp plate is carried out, with the inserted bar embedding jack in, the threaded rod rotates for the threaded rod is fixed the inserted bar through the cooperation of threaded rod and screw hole, and then realizes the installation of bottom plate and clamp plate.

Preferably, a sponge block is fixedly connected to the inner side wall of the top end of the pressing plate; the circuit board body is protected by arranging the sponge block on the inner side wall of the top end of the pressing plate, and the inner side wall of the top end of the pressing plate is prevented from damaging the circuit board body.

Preferably, a plurality of heat dissipation holes are formed in the bottom end of the mounting groove; a filter screen is fixedly connected to the inner side wall of the heat dissipation hole; the radiating holes are used for radiating heat of the circuit board body, and the filter screen is used for filtering external dust.

Preferably, the contact part of the rubber block and the circuit board body is angular, and the rubber block is matched with the corner of the circuit board body; a rubber sheet is fixedly connected to the inner side wall of the jack; through setting up the rubber block and circuit board body contact site into the angular form for the rubber block forms better protection to the easy impaired edge of circuit board body, effectively prevents that the circuit board body from splitting.

The utility model has the advantages that:

1. according to the utility model, the bottom plate and the pressing plate fix the circuit board body through the matching work of the bottom plate, the pressing plate, the circuit board body, the sliding plate, the first damping spring, the rubber bulge, the rubber block, the base plate and the second damping spring, and when the circuit board body is impacted externally, the circuit board is damped and buffered through the matching work of the first damping spring and the second damping spring, so that the circuit board body is protected, and the circuit board is prevented from being fractured under impact;

2. according to the utility model, when the bottom plate and the pressing plate are installed, the insertion rod is embedded into the insertion hole, the threaded rod is rotated, and the threaded rod is matched with the threaded hole to fix the insertion rod, so that the installation of the bottom plate and the pressing plate is realized, the circuit board body is protected, and the insertion rod is more stably installed by arranging the rubber sheet on the inner side wall of the insertion hole.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a partial cross-sectional view of a first embodiment;

FIG. 2 is a top view of the first embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is a schematic diagram of a three-dimensional structure of the bottom plate and the pressing plate according to the second embodiment.

In the figure: 1. a base plate; 11. mounting grooves; 12. a first chute; 13. a second chute; 14. a jack; 141. a rubber sheet; 15. a threaded rod; 16. heat dissipation holes; 161. a filter screen; 17. a rubber pad; 2. pressing a plate; 21. inserting a rod; 22. a threaded hole; 23. a sponge block; 3. a circuit board body; 4. a buffer assembly; 41. a slide plate; 42. a first damping spring; 43. a rubber bulge; 44. a damping mechanism; 441. a rubber block; 442. a base plate; 443. a second damping spring.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Example one

Referring to fig. 1-4, a circuit board with good anti-cracking effect includes a bottom plate 1, a pressing plate 2, a circuit board body 3 and a buffer assembly 4; the top of the bottom plate 1 is provided with a mounting groove 11; a first sliding chute 12 is arranged on the inner side wall of the bottom end of the mounting groove 11; the circuit board body 3 is placed in the mounting groove 11; the group of pressing plates 2 are arranged on the top of the bottom plate 1, and the pressing plates 2 are positioned at the corners of the bottom plate 1; the buffer assembly 4 is arranged inside the bottom plate 1; the damping assembly 4 comprises a sliding plate 41, a first damping spring 42, a rubber bulge 43 and a damping mechanism 44; the end part of the first damping spring 42 is fixedly connected to the inner side wall of the bottom end of the first sliding chute 12; the sliding plate 41 is fixedly connected to the end part of the first damping spring 42, and the sliding plate 41 is in sliding fit with the inner side wall of the first sliding chute 12; the rubber bulge 43 is fixedly connected to the top of the sliding plate 41, and the rubber bulge 43 is contacted with the bottom of the circuit board body 3; a set of said shock absorbing mechanisms 44 is arranged inside the soleplate 1; the during operation, place circuit board body 3 in mounting groove 11, establish at 1 top of bottom plate with clamp plate 2 lid, fix circuit board body 3 through bottom plate 1 and clamp plate 2, rubber bulge 43 plays the skid-proof effect of support to circuit board body 3, make the stability of circuit board body 3 installation, be difficult for rocking, when circuit board body 3 receives external shock, the effect through damper 44 and first damping spring 42 carries out the shock attenuation buffering to the circuit board, protect circuit board body 3, avoid the circuit board to receive to strike and split.

A second sliding chute 13 is arranged on the side wall of the mounting groove 11; the second sliding groove 13 is positioned at the corner of the bottom plate 1; the damper mechanism 44 includes a rubber block 441, a pad plate 442, and a second damper spring 443; one end of the second damping spring 443 is fixedly connected to the inner side wall of the second sliding chute 13; the backing plate 442 is fixedly connected to the end of the second damping spring 443, and the backing plate 442 is in sliding fit with the inner side wall of the second sliding chute 13; the rubber block 441 is fixedly connected to the side wall of the backing plate 442, and the rubber block 441 is in sliding fit with the inner side wall of the second sliding groove 13 and is in contact with the corner of the circuit board body 3; in operation, install circuit board body 3 in bottom plate 1, when circuit board body 3 received the impact, circuit board body 3 corner extrudees rubber block 441 for rubber block 441 promotes backing plate 442 and extrudes second damping spring 443, because circuit board body 3 bottom and the protruding 43 contact of rubber, make protruding 43 extrusion slide 41 of rubber compress first damping spring 42, the kinetic energy of will assaulting through the cooperation of first damping spring 42 and second damping spring 443 converts the elastic potential energy of first damping spring 42 and second damping spring 443 into, thereby protect circuit board body 3, prevent that circuit board body 3 from splitting.

The top of the bottom plate 1 is provided with a jack 14; the side wall of the jack 14 is rotatably connected with a threaded rod 15; the bottom of the pressure plate 2 is fixedly connected with an inserted bar 21; the inserted bar 21 is in sliding fit with the inner side wall of the jack 14, and the side wall of the jack 14 is provided with a threaded hole 22; the threaded rod 15 is in threaded fit with the threaded hole 22; during the operation, when carrying out the installation of bottom plate 1 and clamp plate 2, with in inserted bar 21 embedding jack 14, rotate threaded rod 15, through the cooperation of threaded rod 15 with screw hole 22 for threaded rod 15 fixes inserted bar 21, and then realizes the installation of bottom plate 1 and clamp plate 2, protects circuit board body 3, prevents that the circuit board from splitting.

A sponge block 23 is fixedly connected to the inner side wall of the top end of the pressing plate 2; during operation, protect circuit board body 3 through set up sponge piece 23 on 2 top inside walls of clamp plate, avoid 2 top inside walls of clamp plate to cause the damage to circuit board body 3.

A plurality of heat dissipation holes 16 are formed at the bottom end of the mounting groove 11; a filter screen 161 is fixedly connected to the inner side wall of the heat dissipation hole 16; in operation, the circuit board body 3 generates a large amount of heat during operation, and is used for heat dissipation of the circuit board body 3 by providing the heat dissipation hole 16, and the filter screen 161 is used for filtering external dust.

The contact part of the rubber block 441 and the circuit board body 3 is angular, and the rubber block 441 is matched with the corner of the circuit board body 3; a rubber sheet 141 is fixedly connected to the inner side wall of the jack 14; during operation, set up to the angular form through with rubber block 441 and circuit board body 3 contact site to the cooperation of realization and circuit board body 3 edge makes rubber block 441 form better protection to the easy impaired edge of circuit board body 3, prevents effectively that circuit board body 3 from splitting, makes the installation of inserted bar 21 more stable through set up sheet rubber 141 on jack 14 inside wall.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a rubber pad 17 is fixedly connected to an inner sidewall of the installation groove 11; during operation, play the effect of good antiskid buffering to circuit board body 3 through set up rubber pad 17 on mounting groove 11 inside wall for circuit board body 3's installation is more stable, avoids circuit board body 3 to receive the impact to produce the damage.

The working principle is that the circuit board body 3 is placed in the mounting groove 11, the pressing plate 2 is covered on the top of the bottom plate 1, the insertion rod 21 is embedded into the insertion hole 14, the threaded rod 15 is rotated, the threaded rod 15 fixes the insertion rod 21 through the matching of the threaded rod 15 and the threaded hole 22, the bottom plate 1 and the pressing plate 2 are further mounted, the circuit board body 3 is protected, the insertion rod 21 is more stably mounted through the rubber sheet 141 arranged on the inner side wall of the insertion hole 14, the rubber bulge 43 plays a role in supporting and preventing skidding on the circuit board body 3, the circuit board body 3 is stably mounted and is not easy to shake, when the circuit board body 3 is impacted externally, the rubber block 441 is extruded at the corner of the circuit board body 3, the rubber block 441 pushes the backing plate 442 to extrude the second damping spring 443, because the bottom of the circuit board body 3 is contacted with the rubber bulge 43, the rubber bulge 43 extrudes the sliding plate 41 to compress the first damping spring 42, the impact kinetic energy is converted into the elastic potential energy of the first damping spring 42 and the second damping spring 443 by the matching of the first damping spring 42 and the second damping spring 443, so as to protect the circuit board body 3, the contact part between the rubber block 441 and the circuit board body 3 is set to be angular, so as to realize the matching with the corners of the circuit board body 3, so that the rubber block 441 can well protect the corners of the circuit board body 3 which are easy to be damaged, the sponge block 23 is arranged on the inner side wall at the top end of the pressing plate 2 to protect the circuit board body 3, thereby avoiding the inner side wall at the top end of the pressing plate 2 from damaging the circuit board body 3, the circuit board body 3 can generate a large amount of heat during working, the heat dissipation holes 16 are arranged for the heat dissipation of the circuit board body 3, the filter screen 161 is used for filtering external dust, and the rubber pad 17 is arranged on the inner side wall of the mounting groove 11 to play a good anti-slip buffering role for the circuit board body 3, make the installation of circuit board body 3 more stable, avoid circuit board body 3 to receive the impact to produce the damage.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a circuit board that crack control effect is good which characterized in that: comprises a bottom plate (1), a pressing plate (2), a circuit board body (3) and a buffer component (4); the top of the bottom plate (1) is provided with a mounting groove (11); a first sliding chute (12) is arranged on the inner side wall of the bottom end of the mounting groove (11); the circuit board body (3) is placed in the mounting groove (11); the group of pressing plates (2) are arranged at the top of the bottom plate (1), and the pressing plates (2) are positioned at the corners of the bottom plate (1); the buffer component (4) is arranged inside the bottom plate (1);

the buffer assembly (4) comprises a sliding plate (41), a first damping spring (42), a rubber bulge (43) and a damping mechanism (44); the end part of the first damping spring (42) is fixedly connected to the inner side wall of the bottom end of the first sliding chute (12); the sliding plate (41) is fixedly connected to the end part of the first damping spring (42), and the sliding plate (41) is in sliding fit with the inner side wall of the first sliding chute (12); the rubber bulge (43) is fixedly connected to the top of the sliding plate (41), and the rubber bulge (43) is contacted with the bottom of the circuit board body (3); a group of the shock absorption mechanisms (44) are arranged inside the bottom plate (1).

2. The circuit board with good anti-cracking effect according to claim 1, characterized in that: a second sliding chute (13) is arranged on the side wall of the mounting groove (11); the second sliding groove (13) is positioned at the corner of the bottom plate (1); the damper mechanism (44) includes a rubber block (441), a pad plate (442), and a second damper spring (443); one end of the second damping spring (443) is fixedly connected to the inner side wall of the second sliding groove (13); the backing plate (442) is fixedly connected to the end part of the second damping spring (443), and the backing plate (442) is in sliding fit with the inner side wall of the second sliding groove (13); the rubber block (441) is fixedly connected to the side wall of the backing plate (442), and the rubber block (441) is in sliding fit with the inner side wall of the second sliding groove (13) and is in contact with the corner of the circuit board body (3).

3. The circuit board with good anti-cracking effect according to claim 2, characterized in that: the top of the bottom plate (1) is provided with a jack (14); a threaded rod (15) is rotatably connected to the side wall of the jack (14); the bottom of the pressure plate (2) is fixedly connected with an inserted bar (21); the insertion rod (21) is in sliding fit with the inner side wall of the insertion hole (14), and a threaded hole (22) is formed in the side wall of the insertion hole (14); the threaded rod (15) is in threaded fit with the threaded hole (22).

4. The circuit board with good anti-cracking effect according to claim 3, characterized in that: and a sponge block (23) is fixedly connected to the inner side wall of the top end of the pressing plate (2).

5. The circuit board with good anti-cracking effect according to claim 4, characterized in that: a plurality of heat dissipation holes (16) are formed in the bottom end of the mounting groove (11); and a filter screen (161) is fixedly connected to the inner side wall of the heat dissipation hole (16).

6. The circuit board with good anti-cracking effect according to claim 5, characterized in that: the contact part of the rubber block (441) and the circuit board body (3) is angular, and the rubber block (441) is matched with the corner of the circuit board body (3); and a rubber sheet (141) is fixedly connected to the inner side wall of the jack (14).