CN221040970U

CN221040970U - Dustproof device of electronic relay

Info

Publication number: CN221040970U
Application number: CN202420701197.0U
Authority: CN
Inventors: 雷泽一川
Original assignee: Shaanxi University of Technology
Current assignee: Shaanxi University of Technology
Priority date: 2024-04-08
Filing date: 2024-04-08
Publication date: 2024-05-28
Anticipated expiration: 2034-04-08

Abstract

The utility model relates to the technical field of electronic relays and discloses a dustproof device of an electronic relay, which comprises a dustproof cover, wherein an opening is formed in the lower end of the dustproof cover, the dustproof cover is sleeved on the outer side of the electronic relay, inclined surfaces are arranged at two ends of the electronic relay, and pressing wedges respectively pressed on the inclined surfaces are arranged on the inner wall of the dustproof cover; the other two sides of the dust cover are provided with limiting wedges, the inclined planes of the limiting wedges are positioned at the upper end, the inner wall of the through hole in the middle section of the electronic relay is provided with matching wedges, and when the dust cover is sleeved outside the electronic relay, the limiting wedges are clamped below the matching wedges. The utility model can reduce the fit clearance between the dustproof cover and the electronic relay, can prevent dust from entering the dustproof cover from the fit clearance, and can ensure that the electronic relay can be used more safely.

Description

Dustproof device of electronic relay

Technical Field

The utility model relates to the technical field of electronic relays, in particular to a dustproof device of an electronic relay.

Background

An electronic relay is an electronic control device having a control system (also known as an input loop) and a controlled system (also known as an output loop), commonly used in automatic control circuits, and is actually an "automatic switch" that uses a smaller current to control a larger current. Therefore, the circuit plays roles of automatic regulation, safety protection, circuit switching and the like.

In the process of using the electronic relay, because the environmental factor that the electronic relay installed and used, produce static easily and adsorb the dust, if can not in time clear up, can cause the dust to pile up around the electronic relay in a large number, cause the electronic relay to appear damaging easily, shortened the life of electronic relay, general solution is that set up the dust cover in the outside of electronic relay, but because the cooperation is inseparable (leave a lot of installation clearance) between dust cover and the electronic relay, the dust can enter into the dust cover inside from these clearances, and then influence the normal use of electronic relay.

Disclosure of utility model

The utility model aims to provide a dustproof device for an electronic relay, which solves the problems that in the prior art, due to the environmental factors of installation and use of the electronic relay, static electricity is easy to generate to adsorb dust, if the dust cannot be cleaned in time, a large amount of dust is accumulated around the electronic relay, the electronic relay is easy to damage, and the service life of the electronic relay is shortened.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the dustproof device for the electronic relay comprises a dustproof cover, wherein an opening is formed in the lower end of the dustproof cover, the dustproof cover is sleeved on the outer side of the electronic relay, inclined surfaces are arranged at two ends of the electronic relay, and compression wedges respectively compressed on the inclined surfaces are arranged on the inner wall of the dustproof cover;

The other two sides of the dust cover are provided with limiting wedges, the inclined planes of the limiting wedges are positioned at the upper end, the inner wall of the through hole in the middle section of the electronic relay is provided with matching wedges, and when the dust cover is sleeved outside the electronic relay, the limiting wedges are clamped below the matching wedges.

Further, the side of electronic relay is provided with the limiting plate, and when dust cover suit was in the electronic relay outside, the lower extreme of dust cover was supported on the limiting plate.

Further, one side of the dust cover is provided with a U-shaped heat dissipation through hole, the outer side of the heat dissipation through hole is provided with a U-shaped frame covered on the outer side of the heat dissipation through hole, and the U-shaped frame is provided with a first dust screen and two second dust screens respectively.

Further, two second dust screens are located the both sides of U-shaped frame respectively.

Further, connecting plates are arranged at two ends of the U-shaped frame, the connecting plates and the U-shaped frame are of an integrated structure, the inner end face of the U-shaped frame is clung to one side of the outer wall of the dust cover, the connecting plates are arranged at intervals with the dust cover, and the two connecting plates are used for being clamped at two sides of the dust cover.

Further, the inboard of connecting plate is provided with the bulge, and the both sides of dust cover all are provided with the locating part, and when the U-shaped frame suit was in dust cover one end, the bulge card was inside the recess of locating part.

Further, the one end of locating part orientation U-shaped frame is provided with the chamfer, and the terminal surface at chamfer place is towards the direction slope setting of keeping away from U-shaped frame.

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

according to the utility model, the pressing wedge blocks are arranged on the inner sides of the dust covers and are pressed on the inclined surfaces at the two ends of the electronic relay, the end surfaces of the pressing wedge blocks are completely attached to the inclined surfaces, so that a good sealing effect can be achieved, meanwhile, the limiting wedge blocks which can be clamped in the through holes in the middle of the electronic relay are arranged on the inner walls of the other two sides of the dust covers, the inclined surfaces of the limiting wedge blocks are pressed on the side surfaces of the through holes, so that fit gaps between the dust covers and the electronic relay can be reduced, dust can be prevented from entering the dust covers from the fit gaps, and the electronic relay can be used more safely.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a dustproof device for an electronic relay according to the present utility model;

FIG. 2 is a schematic view of a part of the electronic relay dustproof device shown in FIG. 1 in an enlarged structure;

FIG. 3 is an exploded view of an electronic relay dust keeper of the present utility model;

FIG. 4 is a cross-sectional view of a dust cap of an electronic relay dust device of the present utility model;

Fig. 5 is a schematic cross-sectional view of a dustproof device for an electronic relay according to the present utility model.

In the figure: 1. a mounting plate; 2. a dust cover; 201. a heat dissipation through hole; 21. a limiting piece; 22. a limit wedge block; 23. a pressing wedge block; 3. a U-shaped frame; 31. a first dust screen; 32. a second dust screen; 33. a connecting plate; 34. a protruding block; 4. an electronic relay; 41. a limiting plate; 42. matching wedge blocks; 43. an inclined surface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides an electronic relay dust keeper, includes dust cover 2, dust cover 2 lower extreme opening sets up, and dust cover 2 suit is in the outside of electronic relay 4, and electronic relay 4 installs on mounting panel 1, leaves the through-hole (generally is used for the heat dissipation between middle part and the mounting panel 1 of electronic relay 4, belongs to the setting of conventional electronic relay 4), and both ends of electronic relay 4 all are equipped with inclined plane 43, are provided with the compaction wedge 23 that compresses tightly respectively on inclined plane 43 on the inner wall of dust cover 2;

The other two sides of the dust cover 2 are provided with limiting wedges 22, the inclined planes of the limiting wedges 22 are positioned at the upper end, the inner wall of the through hole in the middle section of the electronic relay 4 is provided with a matching wedge 42, and when the dust cover 2 is sleeved on the outer side of the electronic relay 4, the limiting wedges 22 are clamped below the matching wedge 42.

According to the utility model, the pressing wedge blocks 23 are arranged on the inner side of the dust cover 2 and are pressed on the inclined surfaces 43 at the two ends of the electronic relay 4, the end surfaces of the pressing wedge blocks 23 are completely attached to the inclined surfaces 43, a good sealing effect can be achieved, meanwhile, the limiting wedge blocks 22 which can be clamped in through holes in the middle of the electronic relay 4 are arranged on the inner walls of the other two sides of the dust cover 2, the inclined surfaces of the limiting wedge blocks 22 are pressed on the side surfaces of the through holes, and due to the fact that the dust cover 2 has certain elasticity, the pressing limiting blocks 22 move towards the electronic relay 4, downward tension can be generated on the dust cover 2, the pressing wedge blocks 23 on the dust cover 2 are pressed on the inclined surfaces 43, fit gaps between the dust cover 2 and the electronic relay 4 are eliminated, dust can be prevented from entering the inside of the dust cover 2 from the fit gaps, and the electronic relay 4 can be used more safely.

Further, a limiting plate 41 is arranged on the side face of the electronic relay 4, and when the dust cover 2 is sleeved on the outer side of the electronic relay 4, the lower end of the dust cover 2 is propped against the limiting plate 41; by arranging the limiting plate 41, the dust cover 2 can be tightly pressed on the limiting plate 41 when the dust cover 2 has tension downwards, and the fit clearance between the dust cover 2 and the electronic relay 4 can be further reduced.

Further, a U-shaped heat dissipation through hole 201 is formed in one side of the dust cover 2, a U-shaped frame 3 covering the outer side of the heat dissipation through hole 201 is arranged on the outer side of the heat dissipation through hole 201, and a first dust screen 31 and two second dust screens 32 are respectively arranged on the U-shaped frame 3; wherein, first dust screen 31 and second dust screen 32 are preferred to adopt dustproof ventilated membrane, through setting up detachable U-shaped frame 3, can be when changing first dust screen 31 and second dust screen 32, convenient dismantles U-shaped frame 3, can operate more conveniently.

Further, two second dust-proof nets 32 are respectively located at both sides of the U-shaped frame 3.

The two ends of the U-shaped frame 3 are respectively provided with a connecting plate 33, the connecting plates 33 and the U-shaped frame 3 are of an integrated structure, the inner end surface of the U-shaped frame 3 is clung to one side of the outer wall of the dust cover 2, the connecting plates 33 and the dust cover 2 are arranged at intervals, and the two connecting plates 33 are used for being clamped at two sides of the dust cover 2; the inner side of the connecting plate 33 is provided with a protruding block 34, both sides of the dust cover 2 are provided with limiting pieces 21, and when the U-shaped frame 3 is sleeved at one end of the dust cover 2, the protruding block 34 is clamped in a groove of the limiting pieces 21; the one end of locating part 21 towards U-shaped frame 3 is provided with the chamfer, and the terminal surface at chamfer place is towards the direction slope setting of keeping away from U-shaped frame 3.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims

1. The utility model provides an electronic relay dust keeper, includes dust cover (2), its characterized in that, dust cover (2) lower extreme opening sets up, and dust cover (2) suit is in the outside of electronic relay (4), both ends of electronic relay (4) all are equipped with inclined plane (43), be provided with on the inner wall of dust cover (2) and compress tightly on inclined plane (43) respectively and compress tightly voussoir (23);

Limiting wedges (22) are arranged on the other two sides of the dust cover (2), the inclined planes of the limiting wedges (22) are positioned at the upper end, a matching wedge (42) is arranged on the inner wall of a through hole in the middle section of the electronic relay (4), and when the dust cover (2) is sleeved on the outer side of the electronic relay (4), the limiting wedges (22) are clamped below the matching wedge (42);

the side of electronic relay (4) is provided with limiting plate (41), and when dust cover (2) suit was in electronic relay (4) outside, the lower extreme of dust cover (2) was supported on limiting plate (41).

2. An electronic relay dustproof device according to claim 1, characterized in that a U-shaped heat dissipation through hole (201) is arranged on one side of the dustproof cover (2), a U-shaped frame (3) covered outside the heat dissipation through hole (201) is arranged on the outer side of the heat dissipation through hole (201), and a first dustproof net (31) and two second dustproof nets (32) are respectively arranged on the U-shaped frame (3).

3. An electronic relay dust-proof device according to claim 2, characterized in that the two second dust-proof screens (32) are located on both sides of the U-shaped frame (3), respectively.

4. An electronic relay dustproof device according to claim 3, characterized in that connecting plates (33) are arranged at two ends of the U-shaped frame (3), the connecting plates (33) and the U-shaped frame (3) are of an integrated structure, the inner end surface of the U-shaped frame (3) is clung to one side of the outer wall of the dustproof cover (2), the connecting plates (33) and the dustproof cover (2) are arranged at intervals, and the two connecting plates (33) are used for being clamped at two sides of the dustproof cover (2).

5. The dustproof device for the electronic relay according to claim 4, wherein protruding blocks (34) are arranged on the inner side of the connecting plate (33), limiting pieces (21) are arranged on two sides of the dustproof cover (2), and when the U-shaped frame (3) is sleeved at one end of the dustproof cover (2), the protruding blocks (34) are clamped in grooves of the limiting pieces (21).

6. An electronic relay dust-proof device according to claim 5, characterized in that the end of the limiting member (21) facing the U-shaped frame (3) is provided with a chamfer, and the end face where the chamfer is located is inclined in a direction away from the U-shaped frame (3).