CN215869133U

CN215869133U - Dustproof relay

Info

Publication number: CN215869133U
Application number: CN202121995070.7U
Authority: CN
Inventors: 顾永春
Original assignee: Shanghai Chen Cong Electronic Technology Co ltd
Current assignee: Shanghai Chen Cong Electronic Technology Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-18
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the technical field of relays and discloses a dustproof relay, which comprises: relay body and mounting panel, the front at the mounting panel is installed to the relay body, the positive fixedly connected with fixed plate of mounting panel, the wiring row is installed at the top of fixed plate, the bottom of fixed plate is inlayed and is had sealed the pad, the bottom swing joint who fills up has the dust cover, the top of fixed plate is provided with heat dissipation mechanism, the bottom fixedly connected with guide rail of fixed plate. This dustproof relay, through setting up the fixed plate, sealed the pad, sealing washer and dust cover, cover the relay with the dust cover during the use to with the position of the fixed dust cover of stop gear, separate relay and external environment with the dust cover, seal the junction of dust cover and mounting panel and fixed plate respectively with sealed pad and sealing washer simultaneously, prevent that the dust from getting into the inside of dust cover, avoided the dust to get into the inside of relay, reached the dustproof effect to the relay.

Description

Dustproof relay

Technical Field

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

Background

The relay is an electric appliance which makes the controlled quantity produce a predetermined step change in the electric output circuit when the change of the input quantity reaches the specified requirement, it has the interactive relation between the control and the controlled system, it is usually applied in the automatic control circuit, it is an automatic switch which uses small current to control the large current operation, it plays the role of automatic regulation, safety protection, switching circuit, etc. in the circuit.

The during operation in external environment of relay, dust in the air and relay contact and the inside of entering relay, adhere to the surface at relay internals, influence the response effect of relay response part, switching circuit in time can not, present common relay outside is equipped with the protection casing, the dust can get into the inside of protection casing through the louvre of protection casing, cause the relay to take place the malfunction, and the heat dissipation effect of the louvre of protection casing is poor, the heat loss easily appears in the inside part of relay, cause the life of relay to shorten.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the present invention provides a dustproof relay that solves the problems mentioned in the background above.

The utility model provides the following technical scheme: a dust-proof relay comprising: the utility model discloses a relay assembly, including relay body and mounting panel, the front at the mounting panel is installed to the relay body, the positive fixedly connected with fixed plate of mounting panel, the wiring row is installed at the top of fixed plate, the bottom of fixed plate is inlayed and is had sealed the pad, the bottom swing joint who fills up has the dust cover, the top of fixed plate is provided with heat dissipation mechanism, the bottom fixedly connected with guide rail of fixed plate, the quantity of guide rail is two, and two guide rails are located the both sides of dust cover respectively, the inner wall sliding connection of guide rail has the guide position piece, guide position piece fixed connection is in the side of dust cover, the equal fixedly connected with stopper in both sides of dust cover, the fixed plate is run through at the top of stopper, the inner wall of stopper is pegged graft and is had stop gear, stop gear installs the top at the fixed plate.

Preferably, the inner wall of the dust cover is movably connected with a sealing ring, and the sealing ring is fixedly connected to the front face of the mounting plate.

Preferably, the heat dissipation mechanism includes heat conduction pole and fin, the fixed slot has been seted up at the top of fixed plate, heat conduction pole fixed connection is at the inner wall of fixed slot, the bottom of heat conduction pole extends to the inside of dust cover, the top of heat conduction pole extend to the top of fixed plate and with the bottom fixed connection of fin, the fin is fixed to be set up at the top of fixed plate.

Preferably, the heat dissipation mechanism further includes a first insulating cover and a second insulating cover, the first insulating cover is fixedly connected to the bottom of the fixing plate, the heat conduction rod is located inside the first insulating cover, the second insulating cover is fixedly connected to the top of the fixing plate, the heat dissipation fin is located inside the second insulating cover, and air holes are formed in the surfaces of the first insulating cover and the second insulating cover.

Preferably, stop gear includes gag lever post, spring and guide tube, guide tube fixed connection is at the top of fixed plate, the spring sets up the middle part at the guide tube inner wall, gag lever post sliding connection is at the inner wall of guide tube, the quantity of gag lever post is two, two gag lever post difference fixed connection is at the both ends of spring, the gag lever post is kept away from the one end of spring and the inner wall swing joint of stopper, the spout has been seted up at the top of guide tube, and the inner wall sliding connection of spout has the driving lever, the top at the gag lever post is connected at the driving lever top.

Preferably, the bottom fixedly connected with locating lever of dust cover inner wall, the front fixedly connected with holding ring of mounting panel, the locating lever is pegged graft at the inner wall of holding ring.

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

1. this dustproof relay, through setting up the fixed plate, sealed the pad, sealing washer and dust cover, cover the relay with the dust cover during the use to with the position of the fixed dust cover of stop gear, separate relay and external environment with the dust cover, seal the junction of dust cover and mounting panel and fixed plate respectively with sealed pad and sealing washer simultaneously, prevent that the dust from getting into the inside of dust cover, avoided the dust to get into the inside of relay, reached the dustproof effect to the relay.

2. This dustproof relay passes the gas pocket and the heat conduction pole contact on first insulating boot surface through setting up heat conduction pole, fin, first insulating boot and second insulating boot air, and the heat conduction is to the fin with the gas contact in heat conduction pole and the dust cover on, in lasting the external environment that gives off the heat and lead the dust cover through the fin, reaches the effect that reduces the temperature in the dust cover.

Drawings

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

FIG. 2 is a schematic side sectional view of the position of the limiting mechanism according to the present invention;

FIG. 3 is a schematic side sectional view of the heat dissipation mechanism of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a top-down structure of the positioning rod of the present invention.

In the figure: 1. a relay body; 2. mounting a plate; 3. a fixing plate; 4. a line bank; 5. a gasket; 6. a dust cover; 7. a heat dissipation mechanism; 71. a heat conducting rod; 72. a heat sink; 73. a first insulating cover; 74. a second insulating cover; 8. a guide rail; 9. a guide block; 10. a limiting block; 11. a limiting mechanism; 111. a limiting rod; 112. a spring; 113. a guide tube; 114. a deflector rod; 12. a seal ring; 13. positioning a rod; 14. a retaining ring.

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. 1-5, a dustproof relay includes: relay body 1 and mounting panel 2, relay body 1 installs the front at mounting panel 2, mounting panel 2's positive fixedly connected with fixed plate 3, line bank 4 is installed at the top of fixed plate 3, line bank 4 and relay body 1 electric connection, the bottom of fixed plate 3 is inlayed and is had sealed 5, the bottom swing joint who fills up 5 has dust cover 6, the top of fixed plate 3 is provided with heat dissipation mechanism 7, the bottom fixedly connected with guide rail 8 of fixed plate 3, the quantity of guide rail 8 is two, two guide rail 8 are located the both sides of dust cover 6 respectively, guide rail 8's inner wall sliding connection has guide block 9, guide block 9 fixed connection is in the side of dust cover 6, the equal fixedly connected with stopper 10 in both sides of dust cover 6, fixed plate 3 is run through at the top of stopper 10, stopper 10's inner wall is pegged graft and is had stop gear 11, stop gear 11 installs the top at fixed plate 3.

Wherein; the inner wall of the dust cover 6 is movably connected with a sealing ring 12, and the sealing ring 12 is fixedly connected to the front surface of the mounting plate 2.

Wherein; heat dissipation mechanism 7 includes heat conduction pole 71 and fin 72, the fixed slot has been seted up at the top of fixed plate 3, heat conduction pole 71 fixed connection is at the inner wall of fixed slot, the bottom of heat conduction pole 71 extends to the inside of dust cover 6, the top of heat conduction pole 71 extend to the top of fixed plate 3 and with the bottom fixed connection of fin 72, the fixed top that sets up at fixed plate 3 of fin 72, gas contact and the absorption heat in heat conduction pole 71 and the dust cover 6, conduct the heat to fin 72 on, continuously give off the heat in the external environment who leads dust cover 6 through fin 72, reach the effect that reduces the temperature in the dust cover 6.

Wherein; the heat dissipation mechanism 7 further comprises a first insulating cover 73 and a second insulating cover 74, the first insulating cover 73 is fixedly connected to the bottom of the fixing plate 3, the heat conduction rod 71 is located inside the first insulating cover 73, the second insulating cover 74 is fixedly connected to the top of the fixing plate 3, the heat dissipation fin 72 is located inside the second insulating cover 74, air holes are formed in the surfaces of the first insulating cover 73 and the second insulating cover 74, the first insulating cover 73 and the second insulating cover 74 protect the heat conduction rod 71 and the heat dissipation fin 72, and meanwhile, current is prevented from occurring at the positions of the heat conduction rod 71 and the heat dissipation fin 72.

Wherein; the limiting mechanism 11 comprises a limiting rod 111, a spring 112 and a position guide pipe 113, the position guide pipe 113 is fixedly connected to the top of the fixing plate 3, the spring 112 is arranged in the middle of the inner wall of the position guide pipe 113, the limiting rod 111 is slidably connected to the inner wall of the position guide pipe 113, the number of the limiting rods 111 is two, the two limiting rods 111 are respectively and fixedly connected to two ends of the spring 112, one end of the limiting rod 111, far away from the spring 112, is movably connected to the inner wall of the limiting block 10, a chute is formed in the top of the position guide pipe 113, the inner wall of the chute is slidably connected with a shifting rod 114, the top of the shifting rod 114 is connected to the top of the limiting rod 111, the two shifting rods 114 are contacted and kneaded with the shifting rod 114, the shifting rod 114 is driven by the shifting rod 114 to move towards the spring 112 until the top of the protective cover is attached to the sealing gasket 5, the shifting rod 114 is released at the moment, the spring 112 stretches back to push the limiting rod 111, so that the limiting rod 111 is inserted into the inner wall of the limiting block 10, fix the position of dust cover 6, when needing to open dust cover 6, the driving lever 114 is mediated to the hand, drives the motion of gag lever post 111, makes gag lever post 111 break away from the inner wall of stopper 10, can the dust cover 6 that slides down, has reached the effect of convenient maintenance.

Wherein; the bottom fixedly connected with locating lever 13 of 6 inner walls of dust cover, the front fixedly connected with holding ring 14 of mounting panel 2, and the locating lever 13 is pegged graft at the inner wall of holding ring 14, carries on spacingly through holding ring 14 to holding lever 13 to carry on spacingly to dust cover 6, the position of further fixed dust cover 6.

The working principle is that the relay body 1 is arranged on the mounting plate 2, then the dust cover 6 is pushed upwards, the dust cover 6 drives the guide block 9 to move, the dust cover 6 is guided by sliding the guide block 9 in the guide rail 8, meanwhile, the hand is contacted with the two shift rods 114 and kneads the shift rods 114, the shift rods 114 drive the limiting rods 111 to move towards the spring 112 direction until the top of the dust cover is attached to the sealing gasket 5, at the moment, the shift rods 114 are released, the spring 112 stretches back to push the limiting rods 111, the limiting rods 111 are inserted into the inner wall of the limiting block 10, the position of the dust cover 6 is fixed, meanwhile, the positioning rods 13 are inserted into the inner wall of the positioning rings 14, the dust cover 6 is further fixed, the relay is separated from the external environment by the dust cover 6, meanwhile, the joints of the dust cover 6, the mounting plate 2 and the fixing plate 3 are respectively sealed by the sealing gaskets 5 and the sealing rings, and dust is prevented from entering the inside of the dust cover 6, avoided the dust to get into the inside of relay, reached the dustproof effect to the relay, the air passes the gas pocket and the heat conduction pole 71 contact on first insulating boot 73 surface, and the heat conduction pole 71 absorbs the heat with the gaseous contact in the dust cover 6, with heat conduction to fin 72 on, in the external environment of dust cover 6 is led to the heat dissipation through fin 72 continuous giving off the heat, reaches the effect that reduces the temperature in the dust cover 6.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dustproof relay, comprising: the relay comprises a relay body (1) and a mounting plate (2), wherein the relay body (1) is mounted in the front of the mounting plate (2), the front fixedly connected with fixing plate (3) of the mounting plate (2), a wiring board (4) is mounted at the top of the fixing plate (3), a sealing gasket (5) is inlaid at the bottom of the fixing plate (3), a dust cover (6) is movably connected to the bottom of the sealing gasket (5), a heat dissipation mechanism (7) is arranged at the top of the fixing plate (3), guide rails (8) are fixedly connected to the bottom of the fixing plate (3), the number of the guide rails (8) is two, the two guide rails (8) are respectively located on two sides of the dust cover (6), a guide block (9) is slidably connected to the inner wall of the guide rail (8), the guide block (9) is fixedly connected to the side face of the dust cover (6), and limit blocks (10) are fixedly connected to two sides of the dust cover (6), the top of the limiting block (10) penetrates through the fixing plate (3), a limiting mechanism (11) is inserted into the inner wall of the limiting block (10), and the limiting mechanism (11) is installed at the top of the fixing plate (3).

2. A dust-proof relay according to claim 1, characterized in that the inner wall of the dust cover (6) is movably connected with a sealing ring (12), and the sealing ring (12) is fixedly connected with the front surface of the mounting plate (2).

3. The dustproof relay according to claim 1, wherein the heat dissipation mechanism (7) comprises a heat conduction rod (71) and a heat dissipation fin (72), the top of the fixing plate (3) is provided with a fixing groove, the heat conduction rod (71) is fixedly connected to the inner wall of the fixing groove, the bottom end of the heat conduction rod (71) extends to the inside of the dust cover (6), the top end of the heat conduction rod (71) extends to the top of the fixing plate (3) and is fixedly connected with the bottom of the heat dissipation fin (72), and the heat dissipation fin (72) is fixedly arranged at the top of the fixing plate (3).

4. The dustproof relay according to claim 3, wherein the heat dissipation mechanism (7) further comprises a first insulating cover (73) and a second insulating cover (74), the first insulating cover (73) is fixedly connected to the bottom of the fixing plate (3), the heat conduction rod (71) is located inside the first insulating cover (73), the second insulating cover (74) is fixedly connected to the top of the fixing plate (3), the heat dissipation fin (72) is located inside the second insulating cover (74), and air holes are formed in the surfaces of the first insulating cover (73) and the second insulating cover (74).

5. The dustproof relay according to claim 1, wherein the limiting mechanism (11) comprises a limiting rod (111), a spring (112) and a guide tube (113), the guide tube (113) is fixedly connected to the top of the fixing plate (3), the spring (112) is arranged in the middle of the inner wall of the guide tube (113), the limiting rod (111) is slidably connected to the inner wall of the guide tube (113), the number of the limiting rods (111) is two, the two limiting rods (111) are respectively and fixedly connected to two ends of the spring (112), one end, away from the spring (112), of each limiting rod (111) is movably connected to the inner wall of the limiting block (10), a sliding groove is formed in the top of the guide tube (113), a shifting rod (114) is slidably connected to the inner wall of the sliding groove, and the top of the shifting rod (114) is connected to the top of the limiting rod (111).

6. The dustproof relay according to claim 1, wherein a positioning rod (13) is fixedly connected to the bottom of the inner wall of the dustproof cover (6), a positioning ring (14) is fixedly connected to the front surface of the mounting plate (2), and the positioning rod (13) is inserted into the inner wall of the positioning ring (14).