CN216249077U

CN216249077U - Dustproof device for circuit board for computer

Info

Publication number: CN216249077U
Application number: CN202122853004.2U
Authority: CN
Inventors: 曾勇
Original assignee: Shenzhen Jinli Sheng Electronic Technology Co ltd
Current assignee: Shenzhen Jinli Sheng Electronic Technology Co ltd
Priority date: 2021-11-21
Filing date: 2021-11-21
Publication date: 2022-04-08
Anticipated expiration: 2031-11-21

Abstract

The utility model discloses a dustproof device for a circuit board for a computer, which comprises a lower dustproof box and an upper dustproof box, wherein a rotating button is arranged on the outer surface of the lower dustproof box, a transmission rod is fixedly welded on the right side of the rotating button, a first bevel gear is sleeved on the outer wall of the transmission rod, a second bevel gear is meshed on the outer surface of the first bevel gear through threads, a threaded rod is fixedly welded at the center of a circle of the top end of the second bevel gear, a threaded sleeve is movably sleeved on the outer surface of the threaded rod, a sliding rod is fixedly welded on the left side of the threaded sleeve, the other end of the sliding rod is inserted into a sliding rail, and a clamping plate is fixedly installed on the right side of the threaded sleeve. The rotating structure of the utility model can rotate the rotating plate through the rotating shaft by pulling the rotating rack bar, and the limiting clamping rod can be separated from the inside of the clamping seat when the rotating plate rotates, so that the limiting clamping rod can be disassembled more quickly, is convenient to replace and use, and has simple structure and strong practicability.

Description

Dustproof device for circuit board for computer

Technical Field

The utility model relates to the field of circuit board dustproof equipment, in particular to a dustproof device for a circuit board for a computer.

Background

The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The circuit board can be called as a printed circuit board or a printed circuit board, and has the characteristics of high wiring density, light weight, thin thickness and good bending property. The rigid-flex board is a circuit board with FPC (flexible printed circuit) and PCB (printed circuit board) characteristics, which is formed by combining a flexible circuit board and a rigid circuit board according to relevant process requirements through procedures such as pressing and the like.

The existing computer circuit board is not provided with dustproof equipment, generally, a fan arranged in a case of a computer is used for preventing dust, but under the condition that the computer is shut down, dust enters the case from the outside of the case, so that the circuit board is attached, the problem of open circuit is easy to occur, and the use of the circuit board is influenced;

in addition, the existing circuit board dust-proof equipment generally completes the work through a dust-proof box, but the dust-proof box is generally installed through threads when being installed, and when the dust-proof box needs to be maintained or replaced, the dust-proof box is extremely troublesome to disassemble.

Therefore, it is necessary to provide a dustproof device for a circuit board for a computer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dustproof device for a circuit board for a computer, which aims to solve the problems of dustproof of the circuit board and troublesome installation and removal of the circuit board in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a dust keeper for circuit board for computer, includes dust-proof box and last dust-proof box down, the surface of dust-proof box is provided with the turn button down, the fixed welding in right side of turn button has the transfer line, the outer wall of transfer line pot head has first bevel gear, first bevel gear's surface has second bevel gear through the thread engagement, the fixed welding in top centre of a circle position department of second bevel gear has the threaded rod, the surface activity pot head of threaded rod has the thread bush, the fixed welding in left side of thread bush has the slide bar, the other end of slide bar is inserted and is located the inside of slide rail, the right side fixed mounting of thread bush has splint, the top fixed mounting who goes up dust-proof box has the switch chamber, the inside fixed mounting in switch chamber has the rotation ratch.

Preferably, the left side of the lower dustproof box is provided with a round hole which is matched with the transmission rod to penetrate through, and the size of the round hole is matched with that of the transmission rod.

Preferably, the outer wall of threaded rod is provided with the external screw thread, and the external screw thread is two-way setting, the inner wall of thread bush is provided with the internal thread, internal thread and two-way screw thread phase-match.

Preferably, the splint are provided with two sets, every group splint are provided with two, every the surface of splint all fixed mounting has the rubber pad.

Preferably, the rotation ratch has the removal fluted plate through gear connection, the bottom fixed welding of removal fluted plate has the slider, the inside of locating the slide is inserted to the bottom of slider, the fixed surface welding in one side of slider has the carriage release lever, bearing swing joint has the dwang in the bottom of carriage release lever, bearing swing joint has the rotor plate through the opposite side of dwang, the fixed surface of rotor plate installs spacing kelly, the inside of locating the cassette is inserted to the surface of spacing kelly.

Preferably, the inside of going up the dust-proof box is provided with the filter screen, go up the dust-proof box and connect the rotor plate through the pivot, the notch that the cooperation carriage release lever removed is seted up on the top of going up the dust-proof box.

Compared with the prior art, the utility model has the beneficial effects that:

1. this dust keeper for circuit board for computer, through the switch chamber, rotate the ratch, remove the gullet board, the slider, the slide, the carriage release lever, dwang and rotor plate constitution rotating-structure, can rotate the ratch through the pulling through its rotating-structure and can rotate the rotor plate through the pivot, rotate when the rotor plate and can break away from the inside of a cassette with spacing kelly, make its dismantlement that can be faster, be convenient for change, it is more convenient to use, and simple structure, therefore, the clothes hanger is strong in practicability.

2. This dust keeper for circuit board for computer constitutes adjustment mechanism through turn-button, transfer line, first bevel gear, second bevel gear, threaded rod, thread bush, slide bar, slide rail and splint, can make its inside of dust-proof box adapt to the different circuit boards of various scales under through its adjustment mechanism, makes its practicality higher, and does not have the improper condition of purchasing, unable use.

Drawings

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

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

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

FIG. 4 is a schematic cross-sectional front view of the structure shown at A in FIG. 1 according to the present invention.

In the figure: 1. a lower dust-proof box; 2. turning a button; 3. a transmission rod; 4. a first bevel gear; 5. a second bevel gear; 6. a threaded rod; 7. a threaded sleeve; 8. a slide bar; 9. a slide rail; 10. a splint; 11. an upper dustproof box; 12. a switch cavity; 13. rotating the rack bar; 14. moving the fluted plate; 15. a slider; 16. a slideway; 17. a travel bar; 18. rotating the rod; 19. a rotating plate; 20. a limiting clamping rod; 21. a card seat.

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, an embodiment of the present invention is shown:

a dustproof device for a circuit board for a computer comprises a lower dustproof box 1 and an upper dustproof box 11, wherein a rotating button 2 is arranged on the outer surface of the lower dustproof box 1, a transmission rod 3 is fixedly welded on the right side of the rotating button 2, a round hole which is matched with the transmission rod 3 to penetrate through is formed in the left side of the lower dustproof box 1, the size of the round hole is matched with that of the transmission rod 3, the transmission rod 3 can be rotated on the outer surface of the lower dustproof box 1 through the rotating button 2, the exposed gap can be reduced due to the fact that the round hole is matched with the transmission rod 3 in size, a first bevel gear 4 is sleeved on the outer wall of the transmission rod 3, a second bevel gear 5 is meshed on the outer surface of the first bevel gear 4 through threads, a threaded rod 6 is fixedly welded at the position of the center of the top end of the second bevel gear 5, a threaded sleeve 7 is movably sleeved on the outer surface of the threaded rod 6, and external threads are arranged on the outer wall of the threaded rod 6, the external thread is arranged in a bidirectional manner, the inner wall of the thread sleeve 7 is provided with an internal thread, the internal thread is matched with the bidirectional thread, the thread can be arranged to enable the thread sleeve 7 to move through the thread when the threaded rod 6 rotates, the two-way thread can enable the thread sleeve 7 to move inwards or outwards simultaneously, the sliding rod 8 is fixedly welded on the left side of the thread sleeve 7, the other end of the sliding rod 8 is inserted into the sliding rail 9, the clamping plates 10 are fixedly installed on the right side of the thread sleeve 7, the two clamping plates 10 are arranged in two groups, each group of the two clamping plates 10 is provided with two clamping plates, a rubber pad is fixedly installed on the outer surface of each clamping plate 10, the tightness of the circuit board can be improved through the rubber pad arranged in the manner, the rubber pad is not easy to fall off, and the arrangement is realized through the rotating button 2, the transmission rod 3, the first bevel gear 4, the second bevel gear 5, the threaded rod 6, the thread sleeve 7, The sliding rod 8, the sliding rail 9 and the clamping plate 10 form an adjusting mechanism, and the adjusting mechanism can enable the inner part of the lower dust-proof box 1 to adapt to circuit boards of various scales, so that the practicability of the circuit boards is higher, and the situations that the circuit boards cannot be used due to improper purchase do not exist;

the top end of the upper dust-proof box 11 is fixedly provided with a switch cavity 12, the inside of the switch cavity 12 is fixedly provided with a rotating toothed bar 13, the rotating toothed bar 13 is connected with a movable toothed groove plate 14 through a gear, the bottom end of the movable toothed groove plate 14 is fixedly welded with a sliding block 15, the bottom end of the sliding block 15 is inserted into the slide way 16, the outer surface of one side of the sliding block 15 is fixedly welded with a moving bar 17, the bottom end of the moving bar 17 is movably connected with a rotating bar 18 through a bearing, the other side of the rotating bar 18 is movably connected with a rotating plate 19 through a bearing, the outer surface of the rotating plate 19 is fixedly provided with a limiting clamping bar 20, the outer surface of the limiting clamping bar 20 is inserted into the clamp seat 21, the inside of the upper dust-proof box 11 is provided with a filter screen, the upper dust-proof box 11 is connected with the rotating plate 19 through a rotating shaft, the top end of the upper dust-proof box 11 is provided with a notch which is matched with the moving bar 17 to move, and the switch cavity 12, Rotating rack 13, removal rack board 14, slider 15, slide 16, carriage release lever 17, dwang 18 and rotor plate 19 constitute rotating-structure, can rotate rotor plate 19 through the pivot through its rotating-structure through the pulling rotating rack 13, rotate the inside that can break away from spacing kelly 20 department cassette 21 when rotor plate 19 rotates, make its dismantlement that can be faster, be convenient for change, it is more convenient to use, and simple structure, the practicality is strong.

The working principle is as follows: when the circuit board needs to be installed, the rotating toothed bar 13 is rotated, when the rotating toothed bar 13 is rotated, the rotating toothed bar 13 drives the moving toothed groove plate 14 to move through the gear, when the moving toothed groove plate 14 moves, the sliding block 15 is driven to move through the sliding way 16, when the sliding block 15 moves, the moving rod 17 is driven to move, when the moving rod 17 moves, the rotating rod 18 is driven to move through the bearing, when the rotating rod 18 moves, the rotating plate 19 rotates through the bearing, so that the limiting clamping rod 20 installed on the rotating plate 19 is separated from the inside of the clamping seat 21, the contact limiting is realized, the dust-proof box 11 on the rotating rod is separated from the lower dust-proof box 1, and the circuit board can be installed inside the lower dust-proof box 1;

when the circuit board is installed, through rotating knob 2, will drive transfer line 3 when knob 2 rotates and rotate, will drive first bevel gear 4 when transfer line 3 rotates and rotate, will drive second bevel gear 5 when first bevel gear 4 rotates and rotate, will drive threaded rod 6 when second bevel gear 5 rotates and rotate, will drive thread bush 7 through the screw when threaded rod 6 rotates and remove, because of being two-way screw, so inwards or outwards move when thread bush 7, make it carry out the centre gripping to the circuit board, can adapt to the different circuit boards of various scales like this.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a dust keeper for circuit board for computer, includes dust-proof box (1) and last dust-proof box (11) down, its characterized in that: the outer surface of the lower dustproof box (1) is provided with a rotating button (2), the right side of the rotating button (2) is fixedly welded with a transmission rod (3), the outer wall of the transmission rod (3) is wrapped and sleeved with a first bevel gear (4), the outer surface of the first bevel gear (4) is engaged with a second bevel gear (5) through threads, a threaded rod (6) is fixedly welded at the circle center position of the top end of the second bevel gear (5), the outer surface of the threaded rod (6) is movably sheathed with a threaded sleeve (7), the left side of the threaded sleeve (7) is fixedly welded with a sliding rod (8), the other end of the sliding rod (8) is inserted into the sliding rail (9), a clamping plate (10) is fixedly arranged on the right side of the threaded sleeve (7), go up the top fixed mounting of dust-proof box (11) has switch chamber (12), the inside fixed mounting in switch chamber (12) has rotation ratch (13).

2. The dust-proof device for a circuit board for a computer according to claim 1, characterized in that: the left side of the lower dustproof box (1) is provided with a round hole which is matched with the transmission rod (3) to penetrate through, and the size of the round hole is matched with that of the transmission rod (3).

3. The dust-proof device for a circuit board for a computer according to claim 1, characterized in that: the outer wall of threaded rod (6) is provided with the external screw thread, and the external screw thread is two-way setting, the inner wall of thread bush (7) is provided with the internal thread, internal thread and two-way screw thread phase-match.

4. The dust-proof device for a circuit board for a computer according to claim 1, characterized in that: the splint (10) are provided with two sets, and every group splint (10) are provided with two, every the surface of splint (10) all fixed mounting has the rubber pad.

5. The dust-proof device for a circuit board for a computer according to claim 1, characterized in that: rotating rack bar (13) has removal fluted plate (14) through gear connection, the bottom fixed welding of removal fluted plate (14) has slider (15), the bottom of slider (15) is inserted and is located the inside of slide (16), one side external fixed welding of slider (15) has carriage release lever (17), there is dwang (18) bottom of carriage release lever (17) through bearing swing joint, there is rotor plate (19) opposite side of dwang (18) through bearing swing joint, the external fixed surface of rotor plate (19) installs spacing kelly (20), the inside of locating cassette (21) is inserted to the surface of spacing kelly (20).

6. The dustproof device for a circuit board for a computer according to claim 5, wherein: the dust-proof box is characterized in that a filter screen is arranged inside the upper dust-proof box (11), the upper dust-proof box (11) is connected with a rotating plate (19) through a rotating shaft, and a notch matched with a moving rod (17) to move is formed in the top end of the upper dust-proof box (11).