CN218634561U - Circuit board that compressive strength is high - Google Patents

Abstract

The utility model discloses a circuit board that compressive strength is high, including bottom plate, connecting piece and activity guard plate, bottom plate top symmetry is provided with the slide bar, and the top of slide bar runs through fixed guard plate and is connected with the roof, the roof sets up in the recess, and the recess sets up at the top of fixed guard plate, and the bottom of roof is connected through the bottom of first buffer spring and recess simultaneously, activity guard plate sliding connection is inboard at fixed guard plate, the fixed top that sets up at the bottom plate of heat-conducting plate, and the bottom of heat-conducting plate is connected with the fin. This circuit board that compressive strength is high, second buffer spring can support fixed guard plate and activity guard plate when external force extrusion to it, and first buffer spring can apply the pulling force to fixed guard plate simultaneously and prevent the circuit board body of its extrusion below, can avoid pressure to cause the destruction to the circuit board body to can effectively avoid the circuit board body to buckle and split because of the accident of pressurized, and then be convenient for improve its compressive strength.

Description

Circuit board that compressive strength is high

Technical Field

The utility model relates to a circuit board technical field specifically is a circuit board that compressive strength is high.

Background

The circuit board can enable the circuit to be miniaturized and visualized, meanwhile, the circuit board plays an important role in batch production of fixed circuits and optimization of electric appliance layout, and after retrieval, a novel circuit board which is typical in the circuit board in the prior art, such as a public number CN209930602U, is found, and comprises a circuit board, a first heat conducting sheet, a heat conducting bolt, a second heat conducting sheet and a heat radiating sheet, and is characterized in that a corrosion-resistant paint protective layer is arranged on the surface of the circuit board, a plurality of through holes are formed in the circuit board, a plurality of first heat conducting sheets are arranged on the paint surface of the circuit board, the surface of each through hole is provided with the first heat conducting sheet corresponding to the through hole, the through holes are covered when the first heat conducting sheet is installed, the heat conducting bolt is filled in each through hole, one end of the heat conducting bolt is connected with the first heat conducting sheet, the second heat conducting sheet is arranged on the bottom surface of the circuit board, the through holes are covered when the second heat conducting sheet is installed, and the second heat conducting sheet is connected with the other end of the heat conducting bolt; the bottom of second conducting strip is located to the fin, and the both sides of fin are equipped with the flange, all establish on the flange by the via hole that supplies the set screw assembly, be equipped with on the circuit board with set screw complex screw thread.

Above-mentioned circuit board is naked form, consequently appears the circuit board easily because of receiving the unexpected phenomenon of buckling fracture of pressure, and naked circuit board is polluted by the dust easily simultaneously, and then leads to electrical components on the circuit board to appear short circuit and bad contact's phenomenon because of the dust piles up easily, to above-mentioned problem, needs improve existing equipment.

Disclosure of Invention

An object of the utility model is to provide a circuit board that compressive strength is high to the above-mentioned circuit board that proposes in solving above-mentioned background is naked form, consequently appears the circuit board easily because of receiving the unexpected cracked phenomenon of buckling of pressure, and naked circuit board is polluted by the dust easily simultaneously, and then leads to electrical components on the circuit board to appear short circuit and contact failure's problem because of the dust is piled up easily.

In order to achieve the above object, the utility model provides a following technical scheme: a circuit board with high compressive strength comprises a bottom plate, a connecting piece and a movable protection plate,

the top of the bottom plate is symmetrically provided with sliding rods, the tops of the sliding rods penetrate through the fixed protection plate and are connected with the top plate, the top plate is arranged in the groove, the groove is formed in the top of the fixed protection plate, and the bottom of the top plate is connected with the bottom of the groove through a first buffer spring;

the movable protection plate is connected to the inner side of the fixed protection plate in a sliding mode, a circuit board body is arranged below the movable protection plate, the circuit board body is installed on the heat conduction plate, the heat conduction plate is fixedly arranged at the top of the bottom plate, and the bottom of the heat conduction plate is connected with the radiating fins.

Preferably, the inner side of the sliding rod is provided with an elastic dustproof net, the upper end and the lower end of the elastic dustproof net are respectively connected with the fixed protection plate and the bottom plate, and the elastic dustproof net is correspondingly arranged on the outer side of the circuit board body.

Preferably, the first buffer spring and the second buffer spring are symmetrically arranged on the outer sides of the sliding rod and the movable protection plate respectively, and telescopic guide rods are arranged inside the first buffer spring and the second buffer spring.

Preferably, the connecting piece penetrates through the circuit board body and is connected in the mounting hole in a threaded mode, and the mounting hole is symmetrically formed in the heat conducting plate.

Preferably, the front side fixedly connected with limiting plate of activity guard plate, and the inboard of limiting plate and the front side outer wall contact of fixed guard plate, the outside of limiting plate is connected with the handle simultaneously.

Preferably, the radiating fins are distributed at equal intervals at the bottom of the heat conducting plate, and the radiating fins penetrate through the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that: the circuit board with high compressive strength is provided with a plurality of circuit boards,

(1) The utility model discloses a cooperation use of first buffer spring, second buffer spring and slide bar can effectively solve above-mentioned circuit board because of being naked, and the problem that the circuit board appears the unexpected fracture of buckling of stress, and second buffer spring can support fixed guard plate and activity guard plate when external force extrudeing, and first buffer spring can exert pulling force to the fixed guard plate simultaneously and prevent its circuit board body that extrudes below, can avoid pressure to cause destruction to the circuit board body, thereby can effectively avoid the circuit board body to buckle and fracture because of the stress accident, and then be convenient for improve its compressive property and compressive strength;

(2) The utility model discloses a circuit board that dust screen and activity guard plate's cooperation was used and can be effectively solved naked form is easily polluted by the dust, and then pile up the problem that leads to electrical components on the circuit board to appear short circuit and contact failure because of the dust easily, cylindric dust screen can all-round edgewise protect the circuit board body, thereby be convenient for prevent that it from taking place short circuit and contact failure because of the dust pollution problem, and then be convenient for enrich the structure of device, the activity guard plate is dismantled to staff's accessible pull simultaneously and come to carry out daily overhaul and maintenance to the circuit board body, and it is comparatively simple convenient to dismantle the installation.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic top view of the present invention;

fig. 5 is a schematic diagram of the overall structure of the position distribution of the heat dissipation fins and the mounting holes on the heat conduction plate according to the present invention.

In the figure: 1. a base plate; 2. a slide bar; 3. fixing a protection plate; 4. a top plate; 5. a groove; 6. a first buffer spring; 7. an elastic dust screen; 8. a second buffer spring; 9. a circuit board body; 10. a connecting member; 11. a movable protection plate; 1101. a limiting plate; 1102. a handle; 12. a heat conducting plate; 13. a heat sink; 14. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a circuit board with high compressive strength is provided,

example one

As shown in fig. 1, 2 and 4, the top of the bottom plate 1 is symmetrically provided with slide rods 2, the tops of the slide rods 2 penetrate through the fixed protection plate 3 to be connected with the top plate 4, the top plate 4 is arranged in the groove 5, the groove 5 is formed in the top of the fixed protection plate 3, and meanwhile the bottom of the top plate 4 is connected with the bottom of the groove 5 through a first buffer spring 6.

In a further embodiment, the first buffer spring 6 and the second buffer spring 8 are symmetrically arranged at the outer sides of the sliding rod 2 and the movable protection plate 11 respectively, and telescopic guide rods are arranged inside the first buffer spring 6 and the second buffer spring 8.

Specifically, the fixed protection plate 3 symmetry is provided with two sets ofly, and the bottom of every group fixed protection plate 3 is provided with two sets of slide bars 2 at least, and first buffer spring 6 and second buffer spring 8's quantity is the twice of slide bar 2 simultaneously, and slide bar 2 plays the effect of guide and restriction fixed protection plate 3 slip direction simultaneously.

As shown in fig. 1, 2, 3, 4 and 5, the movable protection plate 11 is slidably connected inside the fixed protection plate 3, and a circuit board body 9 is arranged below the movable protection plate 11, while the circuit board body 9 is installed on a heat conduction plate 12, the heat conduction plate 12 is fixedly arranged on the top of the base plate 1, and the bottom of the heat conduction plate 12 is connected with a heat sink 13.

In a further embodiment, the connecting member 10 is threaded in the mounting hole 14 through the circuit board body 9, and the mounting holes 14 are symmetrically formed on the heat conducting plate 12.

In a further embodiment, the heat dissipation fins 13 are distributed at equal intervals on the bottom of the heat conduction plate 12, and the heat dissipation fins 13 are penetratingly disposed on the bottom plate 1.

Specifically, the heat sink 13 can rapidly dissipate heat dissipated to the heat conducting plate 12 when the circuit board body 9 works by virtue of the advantage of large heat dissipating area, thereby facilitating to prevent the circuit board body 9 from overheating fault.

In a further embodiment, a limiting plate 1101 is fixedly connected to the front side of the movable shielding plate 11, and the inner side of the limiting plate 1101 is in contact with the front side outer wall of the fixed shielding plate 3, while a handle 1102 is connected to the outer side of the limiting plate 1101.

Specifically, in the actual work process, utilize connecting piece 10 to install circuit board body 9 at the top of heat-conducting plate 12, heat-conducting plate 12 can utilize self good heat conductivility to shift the heat that circuit board body 9 during operation produced to multiunit fin 13, utilize fin 13 to cool down, simultaneously after the installation is accomplished, the staff can hand handle 1102 with the activity guard plate 11 slide insert between two sets of fixed guard plates 3 until the preceding lateral wall contact of limiting plate 1101 inner wall and guard plate 3, the staff accessible is dismantled the activity guard plate 11 and is overhauld and maintain circuit board body 9 of its inboard simultaneously, when external force extrusion fixed guard plate 3 and activity guard plate 11, fixed guard plate 3 is about to compressing second buffer spring 8 and slides downwards along slide bar 2, second buffer spring 8 plays the effect of supporting and reduction buffering, first buffer spring 6 will produce upwards pulling force to fixed guard plate 3 at the in-process that moves down simultaneously, thereby can effectively avoid external force extrusion to cause the damage to circuit board body 9.

Example two

The present embodiment is further described in the above embodiments, and it should be understood that the present embodiment includes all the technical features described above and is further described in detail.

As shown in fig. 1, fig. 2 and fig. 3, in a further embodiment, an elastic dust-proof net 7 is disposed inside the sliding rod 2, and upper and lower ends of the elastic dust-proof net 7 are respectively connected to the fixed protection plate 3 and the bottom plate 1, and the elastic dust-proof net 7 is correspondingly disposed outside the circuit board body 9.

Specifically, the elastic dust-proof screen 7 is enclosed into a cylinder shape, that is, the elastic dust-proof screen 7 can prevent dust from the front, the rear, the left and the right side surfaces of the circuit board body 9.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a circuit board that compressive strength is high, includes bottom plate (1), connecting piece (10) and activity guard plate (11), its characterized in that:

the top of the bottom plate (1) is symmetrically provided with sliding rods (2), the top of each sliding rod (2) penetrates through the corresponding fixed protection plate (3) and is connected with the corresponding top plate (4), the corresponding top plate (4) is arranged in the corresponding groove (5), the corresponding groove (5) is formed in the top of the corresponding fixed protection plate (3), and meanwhile the bottom of the corresponding top plate (4) is connected with the bottom of the corresponding groove (5) through the corresponding first buffer spring (6);

activity guard plate (11) sliding connection is inboard at fixed guard plate (3), and the below of activity guard plate (11) is provided with circuit board body (9), and circuit board body (9) are installed on heat-conducting plate (12) simultaneously, heat-conducting plate (12) are fixed to be set up at the top of bottom plate (1), and the bottom of heat-conducting plate (12) is connected with fin (13).

2. The circuit board with high compressive strength as claimed in claim 1, wherein: the inner side of the sliding rod (2) is provided with an elastic dustproof net (7), the upper end and the lower end of the elastic dustproof net (7) are respectively connected with the fixed protection plate (3) and the bottom plate (1), and meanwhile the elastic dustproof net (7) is correspondingly arranged on the outer side of the circuit board body (9).

3. The circuit board with high compressive strength as claimed in claim 1, wherein: the first buffer spring (6) and the second buffer spring (8) are symmetrically arranged on the outer sides of the sliding rod (2) and the movable protection plate (11) respectively, and telescopic guide rods are arranged inside the first buffer spring (6) and the second buffer spring (8).

4. The circuit board with high compressive strength as claimed in claim 1, wherein: the connecting piece (10) penetrates through the circuit board body (9) and is in threaded connection with the mounting hole (14), and the mounting holes (14) are symmetrically formed in the heat conducting plate (12).

5. The circuit board with high compressive strength as claimed in claim 1, wherein: the front side of activity guard plate (11) is fixedly connected with limiting plate (1101), and the inboard of limiting plate (1101) contacts with the front side outer wall of fixed guard plate (3), and the outside of limiting plate (1101) is connected with handle (1102) simultaneously.

6. The circuit board with high compressive strength as claimed in claim 1, wherein: the radiating fins (13) are distributed at the bottom of the heat conducting plate (12) at equal intervals, and the radiating fins (13) penetrate through the bottom plate (1).

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