CN215500121U

CN215500121U - LED circuit board fixing device

Info

Publication number: CN215500121U
Application number: CN202122108660.XU
Authority: CN
Inventors: 刘红艳
Original assignee: Huai'an Cosco Machinery And Electronics Co ltd
Current assignee: Huai'an Cosco Machinery And Electronics Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-01-11
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses an LED circuit board fixing device, which comprises a fixing seat and a supporting box, wherein the upper end of the fixing seat is provided with a mounting groove, a mounting frame is arranged in the mounting groove, an LED circuit board body is arranged in the middle of the mounting frame, positioning columns are arranged at four corners in the fixing seat, a first clamping groove is arranged in the middle of the bottom end in the fixing seat, a nano adsorption pad is arranged at the upper end of the supporting box, a plurality of ventilation holes are respectively arranged at two sides of the supporting box, lugs are arranged at the lower ends of two sides of the supporting box, a fan is arranged in the supporting box, a cover plate is arranged in the lower end of the supporting box, the LED circuit board fixing device is provided with an air inlet hole, a supporting box, a ventilation hole and a fan, external air enters the inside of the supporting box through the air inlet hole, and then enters the inside of the fixing seat through the ventilation hole and the ventilation hole arranged on the supporting box, the LED circuit board body bottom is convenient for dispel the heat all around, improves the radiating effect.

Description

LED circuit board fixing device

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a fixing device for an LED circuit board.

Background

The LED circuit board adopts the aluminum substrate, and the main purpose is that the aluminum substrate has good heat dissipation performance, the high-power LED generates heat more greatly, so most of the aluminum substrate is used for producing LED illuminating lamps, the FR-4 glass fiber circuit board is a traditional electronic product circuit board, and the circuit board has the characteristics of good insulation, corrosion resistance, pressure resistance, multilayer printing and the like, is widely applied, needs to be fixed when being installed, ensures the installation stability of the circuit board, enables electronic elements welded on the circuit board to be in a stable state, and enables the electronic elements to normally work.

The conventional LED circuit board fixing device is inconvenient to detach, difficult to maintain, poor in heat dissipation and dustproof effect, and incapable of cleaning or replacing a heat dissipation and dustproof device, so that the LED circuit board fixing device is not convenient and fast to use, and the conventional equipment needs to be improved aiming at the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fixing device for an LED circuit board, which aims to solve the problems that the fixing device for the LED circuit board in the background technology is inconvenient to disassemble, so that the maintenance is difficult, the heat dissipation and dust prevention effects are poor, and the heat dissipation and dust prevention device cannot be cleaned or replaced.

In order to achieve the purpose, the utility model provides the following technical scheme: an LED circuit board fixing device comprises a fixing seat and a supporting box,

the LED lamp holder is characterized in that a mounting groove is formed in the upper end of the fixing seat, a mounting frame is arranged in the mounting groove, an LED circuit board body is arranged in the middle of the mounting frame, positioning columns are arranged at four corners in the fixing seat, positioning holes are formed in the middle of the upper end of each positioning column, a first clamping groove is formed in the middle of the bottom end in the fixing seat, and a plurality of air inlet holes are formed in the lower end of the first clamping groove;

the utility model discloses a fan, including support box, first draw-in groove block, support box, nanometer adsorption pad, lug, support box both sides, support box, fan, first draw-in groove block, support box is the type of falling U structure, and supports the box lower extreme and be connected with first draw-in groove block, support box upper end and install nanometer adsorption pad, and nanometer adsorption pad is provided with threely, per two simultaneously the nanometer adsorbs and has seted up a plurality of ventilation hole between the pad, support box both sides and have all seted up a plurality of scavenge hole, and support box both sides lower extreme and install the lug, the lug passes through the screw simultaneously and is connected with the fixing base, support box internally mounted has the fan, and supports the inside both sides lower extreme of box and seted up the second draw-in groove, support box lower extreme inside is provided with the apron.

Preferably, the support box and the fixed seat form a detachable structure;

through adopting above-mentioned technical scheme, through rotating the screw with lug and fixing base separation for support box is whole can be taken out from the fixing base, is convenient for clear up the inside of supporting the box.

Preferably, a dust screen is installed in the middle of the cover plate, limiting holes are formed in the bottoms of two sides of the cover plate, compression springs are arranged inside two sides of the cover plate, one end of each compression spring is fixedly connected with one end of each clamping block, a push rod is installed in the middle of the lower end of each clamping block, one end of each push rod penetrates through the limiting hole and extends to the outer side of the corresponding limiting hole, and the other end of each clamping block is connected with the second clamping groove in a clamping mode;

through adopting above-mentioned technical scheme, through the dust screen, be convenient for prevent that the dust from getting into inside the fixing base, influence LED circuit board body life.

Preferably, the fixture block and the compression spring form a telescopic structure through a push rod;

through adopting above-mentioned technical scheme, remove in spacing hole through the push rod for the fixture block can carry out block or separation with the second draw-in groove, is convenient for install the apron and dismantles.

Preferably, the LED circuit board body is positioned at the upper end of the supporting box, and the bottom of the LED circuit board body is attached to the upper end of the nano adsorption pad;

through adopting above-mentioned technical scheme, adsorb the pad through the nanometer, be convenient for fix LED circuit board body bottom, adsorb the ventilation hole between the pad through the nanometer simultaneously, be convenient for dispel the heat to LED circuit board body bottom.

Preferably, four corners of the mounting frame are provided with mounting holes, the positions of the mounting holes correspond to the positions of the positioning holes, and the mounting frame is fixedly connected with the positioning columns through bolts;

by adopting the technical scheme, the mounting frame is fixed inside the fixing seat through the bolts, so that the LED circuit board can be effectively and tightly combined with the fixing seat, and the connection reliability of each electronic element on the LED circuit board is ensured.

Compared with the prior art, the utility model has the beneficial effects that: the LED circuit board fixing device comprises a fixing device,

(1) the LED circuit board body is directly arranged on the LED circuit board body, and then the LED circuit board body is fixed through screws, so that the LED circuit board body is easily damaged during hole opening, the cost is improved, the LED circuit board body is arranged inside the mounting frame, the LED circuit board body is protected through the mounting frame, the LED circuit board body is prevented from being damaged during mounting and dismounting, meanwhile, the mounting frame is clamped through the first clamping groove, and then the mounting frame penetrates through the mounting hole through a bolt to be in threaded connection with the positioning hole, so that the mounting frame is fixed inside the fixing seat, the problem that the conventional LED circuit board body is inconvenient to dismount during maintenance is solved, the LED circuit board body has the advantage of convenience in dismounting, the use of a user is facilitated, the LED circuit board body is prevented from being damaged during dismounting, and the practicability of the LED circuit board body is improved;

(2) the LED circuit board is provided with the air inlet hole, the supporting box, the vent hole, the ventilation hole and the fan, air flow is generated through rotation of the fan, external air enters the supporting box through the air inlet hole, and then enters the fixing seat through the vent hole and the ventilation hole formed in the supporting box, so that heat dissipation is performed on the bottom of the LED circuit board body all the time, and the heat dissipation effect is improved;

(3) be provided with the lug, the screw, the apron, the dust screen, compression spring, fixture block and push rod, through rotating the screw, with lug and fixing base separation, be convenient for to supporting box wholly dismantle, simultaneously through the dust screen, prevent that the dust from getting into inside the fixing base, fall on LED circuit board body, reduce the harm to LED circuit board body, simultaneously through the pulling push rod, with fixture block inwardly moving, make fixture block and second draw-in groove separation, take out the apron from supporting box inside, be convenient for clear up the dust screen, dustproof radiating effect is improved.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. fixing base, 2, reference column, 3, locating hole, 4, fresh air inlet, 5, support box, 6, nanometer adsorption pad, 7, ventilation hole, 8, scavenge port, 9, fan, 10, lug, 11, screw, 12, apron, 13, dust screen, 14, compression spring, 15, fixture block, 16, push rod, 17, spacing hole, 18, LED circuit board body, 19, installing frame.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a LED circuit board fixing device is disclosed, according to the figure 1, figure 2 and figure 3, the upper end of a fixed seat 1 is provided with a mounting groove, the inside of the mounting groove is provided with a mounting frame 19, four corners of the mounting frame 19 are provided with mounting holes, the positions of the mounting holes correspond to the positions of positioning holes 3, meanwhile, the mounting frame 19 is fixedly connected with a positioning column 2 through bolts, the mounting frame 19 is separated from the positioning column 2 through rotating the bolts, the LED circuit board body 18 is convenient to take out from the inside of the fixed seat 1, the problem that the existing LED circuit board body 18 is inconvenient to disassemble during maintenance is solved, meanwhile, the damage of the LED circuit board body 18 caused by disassembly is avoided, the practicability of the device is improved, the LED circuit board body 18 is arranged in the middle of the mounting frame 19, the position of the LED circuit board body 18 is positioned at the upper end of a supporting box 5, and the bottom of the LED circuit board body 18 is attached to the upper end of a nano adsorption pad 6, be convenient for support LED circuit board body 18 bottom through supporting box 5, adsorb through nanometer adsorption pad 6 pair LED circuit board body 18 bottom simultaneously and fix, the installing frame 19 drops from fixing base 1 inside when preventing to install, and 1 inside four corners of fixing base is provided with reference column 2, has seted up locating hole 3 in the middle of 2 upper ends of reference column simultaneously, has seted up first draw-in groove in the middle of 1 inside bottom of fixing base, and a plurality of fresh air inlet 4 has been seted up to first draw-in groove lower extreme.

According to the drawings of fig. 1, fig. 2 and fig. 4, the supporting box 5 is of an inverted U-shaped structure, the lower end of the supporting box 5 is connected with the first clamping groove in a clamping manner, the upper end of the supporting box 5 is provided with the nanometer adsorption pad 6, three nanometer adsorption pads 6 are arranged, a plurality of ventilation holes 7 are arranged between every two nanometer adsorption pads 6, both sides of the supporting box 5 are respectively provided with a plurality of ventilation holes 8, the lower ends of both sides of the supporting box 5 are provided with the convex block 10, the convex block 10 is connected with the fixed seat 1 through the screw 11, the supporting box 5 and the fixed seat 1 form a disassembly structure, the convex block 10 is separated from the fixed seat 1 through rotating the screw 11, the supporting box 5 can be taken out of the fixed seat 1 integrally, so as to inspect or replace the internal equipment of the supporting box 5, the supporting box 5 is internally provided with the fan 9, the lower ends of both sides of the inside of the supporting box 5 are provided with the second clamping groove, the lower end of the supporting box 5 is internally provided with the cover plate 12, a dust screen 13 is installed in the middle of the cover plate 12, the bottom of the two sides of the cover plate 12 is provided with a limiting hole 17, compression springs 14 are installed inside the two sides of the cover plate 12, one end of each compression spring 14 is fixedly connected with one end of a clamping block 15, a push rod 16 is installed in the middle of the lower end of each clamping block 15, one end of each push rod 16 penetrates through the limiting hole 17 and extends to the outside of the limiting hole 17, the other end of each clamping block 15 is connected with a second clamping groove in a clamping mode, each clamping block 15 and the compression spring 14 form a telescopic structure through the push rods 16, the clamping blocks 15 are moved outwards to extend the compression springs 14 by pushing the push rods 16, the clamping blocks 15 are clamped with the second clamping grooves, the cover plate 12 is fixed inside the support box 5 to facilitate dust prevention, the compression springs 14 are moved inwards by pulling the push rods 16 to separate the clamping blocks 15 from the second clamping grooves, the cover plate 12 is taken out of the support box 5 to facilitate cleaning of the dust screen 13, and the dustproof heat dissipation effect is improved.

The working principle is as follows: when the LED circuit board fixing device is used, the bottom of the supporting box 5 is clamped with the first clamping groove, the bump 10 is fixed inside the fixing seat 1 through the rotating screw 11, the mounting frame 19 is placed in the mounting groove at the upper end of the fixing seat 1, the bottom of the LED circuit board body 18 is attached to the nano adsorption pad 6, the bolt is rotated to penetrate through the mounting hole to enter the positioning hole 3, the bottom of the mounting frame 19 is attached to the upper end of the positioning column 2, the fan 9 is started, air flow is generated through rotation of the fan 9, external air enters the supporting box 5 through the air inlet hole 4, then enters the fixing seat 1 through the air vent 7 and the air vent 8 formed in the supporting box 5, heat dissipation is facilitated at the bottom of the LED circuit board body 18, meanwhile, dust is prevented from entering the fixing seat 1 through the dust screen 13 arranged in the middle of the cover plate 12 and falling on the LED circuit board body 18, the service life of the LED circuit board body 18 is improved, and the content not described in detail in this specification belongs to the prior art known to those skilled in the art.

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 simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed 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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a LED circuit board fixing device, includes fixing base (1) and support box (5), its characterized in that:

the LED circuit board fixing device is characterized in that an installation groove is formed in the upper end of the fixing seat (1), an installation frame (19) is arranged in the installation groove, an LED circuit board body (18) is arranged in the middle of the installation frame (19), positioning columns (2) are arranged at four corners in the fixing seat (1), a positioning hole (3) is formed in the middle of the upper end of each positioning column (2), a first clamping groove is formed in the middle of the bottom end in the fixing seat (1), and a plurality of air inlet holes (4) are formed in the lower end of the first clamping groove;

support box (5) and be the type of falling U structure, and support box (5) lower extreme and first draw-in groove block and be connected, support box (5) upper end and install nanometer adsorption pad (6), and nanometer adsorption pad (6) are provided with threely, per two simultaneously a plurality of ventilation hole (7) have been seted up between nanometer adsorption pad (6), a plurality of scavenge hole (8) have all been seted up to support box (5) both sides, and support box (5) both sides lower extreme and install lug (10), lug (10) are connected with fixing base (1) through screw (11) simultaneously, support box (5) internally mounted has fan (9), and support box (5) inside both sides lower extreme and seted up the second draw-in groove, support box (5) lower extreme inside and be provided with apron (12).

2. The LED circuit board fixture of claim 1 wherein: the supporting box (5) and the fixed seat (1) form a dismounting structure.

3. The LED circuit board fixture of claim 1 wherein: install dust screen (13) in the middle of apron (12), and apron (12) both sides bottom has seted up spacing hole (17), apron (12) both sides are inside to be provided with compression spring (14), and the one end and fixture block (15) one end fixed connection of compression spring (14) simultaneously, install push rod (16) in the middle of fixture block (15) lower extreme, and the one end of push rod (16) passes spacing hole (17) and extends to spacing hole (17) outside, and fixture block (15) other end is connected with the second draw-in groove block simultaneously.

4. The LED circuit board fixture of claim 3 wherein: the clamping block (15) and the compression spring (14) form a telescopic structure through the push rod (16).

5. The LED circuit board fixture of claim 1 wherein: the LED circuit board body (18) is positioned at the upper end of the supporting box (5), and the bottom of the LED circuit board body (18) is attached to the upper end of the nanometer adsorption pad (6).

6. The LED circuit board fixture of claim 1 wherein: mounting holes are formed in four corners of the mounting frame (19), the positions of the mounting holes correspond to those of the positioning holes (3), and meanwhile the mounting frame (19) is fixedly connected with the positioning columns (2) through bolts.