CN211184394U

CN211184394U - Dustproof printed circuit board

Info

Publication number: CN211184394U
Application number: CN201921243853.2U
Authority: CN
Inventors: 张金友
Original assignee: Dongguan Hezheng Circuit Technology Co ltd
Current assignee: Dongguan Hezheng Circuit Technology Co ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-08-04
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses a dirt-proof printed circuit board, comprising a base plate, the circuit board body is installed at the top of bottom plate, the top of circuit board body is provided with the apron, the equal fixedly connected with inserted bar in both sides of apron bottom, the slot has all been seted up to the both sides of bottom plate inner chamber, the inner chamber to the slot is run through to the bottom of inserted bar, the draw-in groove has all been seted up to the both sides of inserted bar. The utility model discloses an inside the inserted bar inserted the slot, the inserted bar promoted the pulley and removed, the removal of pulley drives the transfer line and removes, the removal of transfer line makes the chucking spring take place to deform, when the pulley removes inside the draw-in groove, inside the chucking spring resumes to make pulley card go into the draw-in groove under deformation, the advantage of dustproof function has been reached, it does not possess dirt-proof function when using to have solved current printed circuit board, often external dust can fall into the circuit board surface, too much dust can influence the normal use of component, the problem that people used is not convenient for.

Description

Dustproof printed circuit board

Technical Field

The utility model relates to a printed circuit board technical field specifically is a dirt-proof printed circuit board.

Background

The printed circuit board, also called as printed circuit board, is the provider of electrical connection of electronic components, and its design is mainly the layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate.

Printed circuit board all uses widely in each field, and current printed circuit board does not possess dirt-proof function when using, and often external dust can fall into the circuit board surface, and too much dust can influence the normal use of component, and the people of not being convenient for use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a dirt-proof printed circuit board possesses dustproof function's advantage, has solved current printed circuit board and does not possess dirt-proof function when using, and external dust often can fall into the circuit board surface, and too much dust can influence the normal use of component, the problem that people used not convenient for.

(II) technical scheme

For the purpose that realizes above-mentioned dustproof function, the utility model provides a following technical scheme: the utility model provides a dirt-proof printed circuit board, includes the bottom plate, the circuit board body is installed at the top of bottom plate, the top of circuit board body is provided with the apron, the equal fixedly connected with inserted bar in both sides of apron bottom, the slot has all been seted up to the both sides of bottom plate inner chamber, the inner chamber to the slot is run through to the bottom of inserted bar, the draw-in groove has all been seted up to the both sides of inserted bar, the equal fixedly connected with chucking spring in both sides of bottom plate inner wall, one side fixedly connected with slide of bottom plate inner wall is kept away from to the chucking spring, one side fixedly connected with transfer line that chucking spring was kept away from to the slide, one side that the slide was kept away from to the transfer line runs through to the inner chamber of slot.

Preferably, the inner cavity of the cover plate is provided with a transverse groove, and the inner wall of the transverse groove is fixedly connected with a filter screen.

Preferably, the bottom of the inserted link is fixedly connected with an extending block, and the extending block is in a semicircular structure.

Preferably, the top and the bottom of the left side of the inner wall of the bottom plate are both fixedly connected with transverse plates, and the inner sides of the transverse plates are slidably connected with the outer sides of the sliding plates.

Preferably, the inner side of the transverse plate is fixedly connected with a limiting rod, and the limiting rod is located on the right side of the sliding plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a dirt-proof printed circuit board possesses following beneficial effect:

1. the utility model discloses an inside the inserted bar inserted the slot, the inserted bar promoted the pulley and removed, the removal of pulley drives the transfer line and removes, the removal of transfer line makes the chucking spring take place to deform, when the pulley removes inside the draw-in groove, inside the chucking spring resumes to make pulley card go into the draw-in groove under deformation, the advantage of dustproof function has been reached, it does not possess dirt-proof function when using to have solved current printed circuit board, often external dust can fall into the circuit board surface, too much dust can influence the normal use of component, the problem that people used is not convenient for.

2. The utility model discloses a gag lever post plays spacing effect to the removal of slide, prevents that the slide can appear breaking away from the phenomenon of diaphragm at the during operation.

3. The utility model discloses a filter screen plays the effect that blocks to external debris, avoids external debris can fall into the surface of circuit board body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

fig. 3 is a partial sectional view of the bottom plate structure of the present invention;

fig. 4 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a base plate; 2. a circuit board body; 3. a filter screen; 4. inserting a rod; 5. a transverse groove; 6. a cover plate; 7. a transmission rod; 8. extending the block; 9. a slot; 10. a transverse plate; 11. a limiting rod; 12. a slide plate; 13. a chucking spring; 14. a card slot; 15. a pulley.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a bottom plate 1, circuit board body 2, filter screen 3, inserted bar 4, cross slot 5, apron 6, transfer line 7, stretch into piece 8, slot 9, diaphragm 10, gag lever post 11, slide 12, chucking spring 13, draw-in groove 14 and pulley 15 part are the parts that general standard spare or technical personnel in the field know, and its structure and principle all are this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, a dustproof printed circuit board comprises a bottom plate 1, a circuit board body 2 is mounted on the top of the bottom plate 1, a cover plate 6 is disposed on the top of the circuit board body 2, a transverse groove 5 is formed in an inner cavity of the cover plate 6, a filter screen 3 is fixedly connected to an inner wall of the transverse groove 5, the filter screen 3 has a blocking effect on external impurities to prevent the external impurities from falling onto the surface of the circuit board body 2, an insertion rod 4 is fixedly connected to both sides of the bottom of the cover plate 6, an extension block 8 is fixedly connected to the bottom of the insertion rod 4, the extension block 8 is in a semicircular structure, slots 9 are formed in both sides of the inner cavity of the bottom plate 1, the bottom of the insertion rod 4 penetrates into the inner cavity of the slots 9, slots 14 are formed in both sides of the insertion rod 4, clamping springs 13 are fixedly connected to both sides of the inner wall of the bottom plate 1, the equal fixedly connected with diaphragm 10 in left top of bottom plate 1 inner wall and bottom, the inboard of diaphragm 10 and slide 12's outside sliding connection, the inboard fixedly connected with gag lever post 11 of diaphragm 10, gag lever post 11 is located slide 12's right side, through gag lever post 11, play spacing effect to slide 12's removal, prevent that slide 12 can appear breaking away from the phenomenon of diaphragm 10 at the during operation, slide 12 keeps away from one side fixedly connected with transfer line 7 of chucking spring 13, one side that slide 12 was kept away from to transfer line 7 runs through to the inner chamber of slot 9, the inboard swing joint of transfer line 7 has pulley 15, one side that transfer line 7 was kept away from to pulley 15 extends to the inner chamber of draw-in groove 14.

When the cover plate is used, firstly, a user inserts the inserting rod 4 into the slot 9, the extending block 8 is in surface contact with the pulley 15, the downward movement of the extending block 8 can drive the pulley 15 to move outwards, the movement of the pulley 15 pushes the transmission rod 7 to move, the movement of the transmission rod 7 drives the sliding plate 12 to slide on the inner side of the transverse plate 10, the clamping spring 13 is deformed through the movement of the sliding plate 12, when the pulley 15 moves into the clamping groove 14, the clamping spring 13 restores to deform to enable the pulley 15 to be clamped into the clamping groove 14, and therefore the cover plate 6 is installed.

While embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various modifications and changes can be made in the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a dirt-proof printed circuit board, includes bottom plate (1), its characterized in that: the circuit board comprises a circuit board body (2) and is characterized in that the circuit board body (2) is installed at the top of a bottom plate (1), a cover plate (6) is arranged at the top of the circuit board body (2), insertion rods (4) are fixedly connected to two sides of the bottom of the cover plate (6), slots (9) are formed in two sides of an inner cavity of the bottom plate (1), the bottom of each insertion rod (4) penetrates through the inner cavity of each slot (9), clamping grooves (14) are formed in two sides of each insertion rod (4), clamping springs (13) are fixedly connected to two sides of an inner wall of the bottom plate (1), a sliding plate (12) is fixedly connected to one side, away from the inner wall of the bottom plate (1), of each sliding plate (12) is fixedly connected with a transmission rod (7), one side, away from the sliding plate (12), of each transmission rod (7) penetrates through the inner cavity of each slot (9), and a, one side of the pulley (15), which is far away from the transmission rod (7), extends to the inner cavity of the clamping groove (14).

2. A dust-proof printed circuit board according to claim 1, wherein: the inner cavity of the cover plate (6) is provided with a transverse groove (5), and the inner wall of the transverse groove (5) is fixedly connected with a filter screen (3).

3. A dust-proof printed circuit board according to claim 1, wherein: the bottom of the inserted bar (4) is fixedly connected with an extending block (8), and the extending block (8) is in a semicircular structure.

4. A dust-proof printed circuit board according to claim 1, wherein: the bottom plate (1) is characterized in that the top and the bottom of the left side of the inner wall of the bottom plate (1) are fixedly connected with transverse plates (10), and the inner sides of the transverse plates (10) are connected with the outer sides of the sliding plates (12) in a sliding mode.

5. The dustproof printed circuit board of claim 4, wherein: the inner side of the transverse plate (10) is fixedly connected with a limiting rod (11), and the limiting rod (11) is located on the right side of the sliding plate (12).