Relay dustproof device and relay

Abstract

The utility model relates to the technical field of relays, in particular to a relay dustproof device and a relay, which comprises a back plate, a relay body is fixedly arranged on the front surface of the back plate, and a first wiring channel is arranged at the upper end of the relay body; a first fastening screw used in cooperation with the first wiring channel is installed on the front face of the relay body. A second wiring channel is arranged on the front face of the relay body, and a second fastening screw is arranged on the surface, close to the outer end, of the second wiring channel in a threaded mode. The dustproof cover structure is arranged outside the relay body, external dust can be protected and blocked in the normal working process of the relay body, and the wiring sleeve structure is mounted on the dustproof cover, so that a circuit of the relay body can be conveniently led out; the backboard structure of the relay body and the dust cover are both provided with built-in holes or mounting holes for fixing on the wall, so that the stability of fixing the relay body on the wall can be ensured according to the actual mounting condition of the dust cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to relay technology field especially relates to a relay dustproof device and relay. BACKGROUND

[0002] Relay is a kind of electrical control equipment, controls larger current circuit by smaller control current, realizes remote control and automation operation, for example, can use a small current switch to control the start and stop of large current motor.

[0003] Relay can amplify weak electric signal and convert into stronger driving signal, drives other electrical equipment or circuit, and also can be used for overload, short circuit protection function of circuit, when abnormal condition appears in circuit, relay can cut off power supply quickly, protects the safety of equipment and line.

[0004] One control signal can control multiple circuits simultaneously through relay, realizes multiway control function, and some relays have delay function, can delay a period of time after control signal disappears and cut off circuit again, realizes delay control effect, for example, in lighting system, the effect of "people walk light off" can be realized.

[0005] At present, when relay is used, most will be installed to avoid the area of crowd, since the area of crowd is small, basically will not clean relay periodically, leads to relay to adhere to a lot of dust when long-term use, if these dusts enter into wiring channel through airflow and adhere to wiring copper sheet, then static electricity hazard is easily caused and leads to the situation that line connection is bad, therefore, after relay is put into use, dustproof protection is needed. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the above-mentioned shortcomings in prior art and provides a relay dustproof device and relay.

[0007] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] Design a kind of relay dustproof device and relay, including backplate, the front surface of the backplate is fixedly installed with relay body, the upper end of the relay body is equipped with first wiring channel, the front surface of the relay body is installed with the first fastening screw of cooperation with first wiring channel;

[0009] The front surface of the relay body is provided with second wiring channel, the surface of the second wiring channel near outer end is screw-threaded with second fastening screw;

[0010] The front surface of the back plate is provided with a dust cover, and the dust cover covers the outside of the relay body, the upper end of the dust cover is provided with a first wire sleeve, and the joint position of the first wire sleeve and the dust cover is fixed by resin glue bonding, the position of the first wire sleeve corresponds to the position of the first wiring channel, the front surface of the dust cover is provided with a second wire sleeve, and the joint position of the second wire sleeve and the dust cover is fixed by resin glue bonding, and the position of the second wire sleeve corresponds to the position of the second wiring channel.

[0011] In detail, the surface of the back plate is also provided with a built-in hole penetrating through the inside thereof, and the built-in hole is symmetrically arranged along the upper and lower ends of the back plate.

[0012] In detail, the dust cover is fixed with mounting plates on both sides, the mounting plates are of curved structures, and the surface of the mounting plate is provided with a mounting hole penetrating through the inside thereof.

[0013] In detail, the back plate is fixedly provided with alignment blocks on both sides, and the dust cover is fixedly provided with alignment seats on both sides through supports, and the alignment blocks and the alignment seats are slidingly inserted and connected.

[0014] In detail, the surface of the alignment block is provided with a groove, the groove is slidingly sleeved with a pin, the surface of the pin is arc-shaped, the groove is provided with a spring inside, and the two ends of the spring are fixedly assembled with the surface of the pin and the inner wall surface of the groove.

[0015] In detail, the alignment seat is provided with a pin hole penetrating through the surface thereof in the groove, and the pin and the pin hole are slidingly and penetratingly arranged.

[0016] In detail, the inside of the first wire sleeve is slidingly inserted with a lead sleeve, the inner wall surface of the lead sleeve is of a tapered structure, a sealing ring is mounted at the narrow opening of the outward end of the lead sleeve, and the sealing ring is made of water-swelling rubber material.

[0017] In detail, the inner wall of the first wire sleeve is provided with a clamping groove, and the end of the lead sleeve is fixedly provided with an elastic clamp, and the elastic clamp and the clamping groove are arranged in interlocking mode.

[0018] The design scheme of the utility model has the advantages that in the application process,

[0019] 1. By arranging the dust cover structure outside the relay body, the dust cover structure can realize the protection and blocking of external dust during the normal working process of the relay body, the wire sleeve structure is arranged on the dust cover, the wire of the relay body can be conveniently led out, the built-in hole or the mounting hole for wall fixing is arranged on the back plate structure and the dust cover of the relay body, and the stability of the wall fixing of the relay body can be ensured according to the actual mounting condition of the dust cover.

[0020] 2. By installing the lead sleeve structure in the row sleeve, the gap between the line and the row sleeve can be reduced when the line penetrates through the row sleeve, the dust overflow can be avoided, the end of the lead sleeve is provided with a sealing ring made of water-swelling rubber material, the waterproof effect can be achieved when penetrating through the line sleeve, and the sealing effect of the line access is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of the utility model;

[0022] Figure 2 It is an internal structure schematic view of the utility model;

[0023] Figure 3 It is a top view distribution schematic view of the alignment block and alignment seat of the utility model;

[0024] Figure 4 It is a local enlarged schematic view of the alignment block and alignment seat of the utility model;

[0025] Figure 5 It is a lead sleeve structure schematic view of the utility model.

[0026] In the drawing: 10, back plate; 11, relay body; 12, first wiring channel; 13, first fastening screw; 14, second wiring channel; 15, second fastening screw; 16, dust cover; 17, first row sleeve; 18, second row sleeve; 20, built-in hole; 21, mounting plate; 22, mounting hole; 30, alignment block; 31, alignment seat; 32, groove; 33, spring; 34, pin hole; 35, bayonet; 40, lead sleeve; 41, sealing ring; 42, elastic card; 43, clamping groove. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Reference Figures 1-5 A relay dustproof device and a relay, comprising a back plate 10, characterized in that: the front surface of the back plate 10 is fixedly installed with a relay body 11, the upper end of the relay body 11 is provided with a first wiring channel 12, and the front surface of the relay body 11 is installed with a first fastening screw 13 used in cooperation with the first wiring channel 12.

[0029] The front surface of the relay body 11 is provided with a second wiring channel 14, and the surface of the second wiring channel 14 close to the outer end is provided with a second fastening screw 15 in screw thread.

[0030] The front surface of the back plate 10 is provided with a dust cover 16, and the dust cover 16 covers the outside of the relay body 11, the upper end of the dust cover 16 is provided with a first wire sleeve 17, and the connecting position of the first wire sleeve 17 and the dust cover 16 is fixed by resin glue, the first wire sleeve 17 corresponds to the position of the first wire channel 12, the front surface of the dust cover 16 is provided with a second wire sleeve 18, and the connecting position of the second wire sleeve 18 and the dust cover 16 is fixed by resin glue, the position of the second wire sleeve 18 corresponds to the position of the second wire channel 14.

[0031] Further need to explain is, the surface of the back plate 10 is also provided with a built-in hole 20 penetrating its inside, the built-in hole 20 is symmetrically distributed along the upper and lower ends of the back plate 10.

[0032] Further need to explain is, the both sides of the dust cover 16 are fixed with mounting plates 21, the mounting plate 21 is a curved structure, and the surface of the mounting plate 21 is provided with a mounting hole 22 penetrating its inside.

[0033] Further need to explain is, the both sides of the back plate 10 are fixedly provided with alignment blocks 30, and the both sides of the dust cover 16 are respectively fixed with alignment seats 31 through supports, the alignment block 30 and the alignment seat 31 are slidingly inserted and connected.

[0034] Further need to explain is, the surface of the alignment block 30 is provided with a groove 32, the groove 32 is slidingly sleeved with a catch pin 35, the surface of the catch pin 35 is arc-shaped, the groove 32 is provided with a spring 33, the both ends of the spring 33 are fixedly assembled with the surface of the catch pin 35 and the inner wall surface of the groove 32, and the spring 33 is in a balanced state, so as to ensure the stable reset of the catch pin 35.

[0035] Further need to explain is, the groove of the alignment seat 31 is provided with a pin hole 34 penetrating its surface, and the catch pin 35 and the pin hole 34 are slidingly and penetratingly arranged, so as to facilitate the stable installation of the dust cover 16 and the back plate 10, and facilitate the flexible assembly of the dust cover 16.

[0036] Further need to explain is, the inside of the first wire sleeve 17 is slidingly inserted with a lead sleeve 40, the inner wall surface of the lead sleeve 40 is a tapered structure, and a sealing ring 41 is arranged at the narrow opening of the outward end of the lead sleeve 40, the sealing ring 41 is made of water-swelling rubber material, and the internal structure of the second wire sleeve 18 is same with that of the first wire sleeve 17, so as to ensure the sealing protection of the gap between the current wire sleeve 18 and the wire.

[0037] It is further needed to be explained that the inner wall of the first wire sleeve 17 is provided with a clamping groove 43, the end of the lead sleeve 40 is fixed with an elastic clamp 42, the elastic clamp 42 and the clamping groove 43 are clamped to each other, the shape of the elastic clamp 42 and the inner shape of the clamping groove 43 are both regular hexagons, the elastic clamp 42 is made of rubber material, and through the installation of the elastic clamp 42 and the clamping groove 43, the lead sleeve 40 and the corresponding wire sleeve can be quickly assembled and used.

[0038] Working mode: when the dustproof protection of the relay body 11 in the use process is needed, the wires are penetrated through the corresponding wire sleeve, through the lead sleeve 40, the passing stability of the wire can be ensured, the lead sleeve 40 is connected with the clamping groove 43 through the elastic clamp 42, and can be assembled and used according to the actual needs, when the wire passes through the lead sleeve 40, the sealing ring 41 is synchronously penetrated and led out, the sealing ring 41 made of rubber can play a waterproof protection effect, then the end of the wire is inserted into the corresponding wire channel, and is fastened and installed through the corresponding fastening screw.

[0039] Through the cover of the dust cover 16 on the back plate 10, the alignment block 30 and the alignment seat 31 are synchronously inserted and connected, through the reset effect of the spring 33, the clamping pin 35 is popped into the pin hole 34, so that the fixation of the dust cover 16 and the back plate 10 can be realized.

[0040] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A dustproof device for a relay and a relay comprising a back plate (10), characterized in that: The front surface of the back plate (10) is fixedly provided with a relay body (11), the upper end of the relay body (11) is provided with a first wiring channel (12), and the front surface of the relay body (11) is provided with a first fastening screw (13) used in cooperation with the first wiring channel (12); The front surface of the relay body (11) is provided with a second wiring channel (14), and the surface close to the outer end of the second wiring channel (14) is screwedly provided with a second fastening screw (15); The front surface of the back plate (10) is provided with a dust cover (16), and the dust cover (16) covers the outside of the relay body (11); the upper end of the dust cover (16) is provided with a first wire sleeve (17) penetrating therethrough, and the joint position between the first wire sleeve (17) and the dust cover (16) is fixedly connected by resin glue; the front surface of the dust cover (16) is provided with a second wire sleeve (18) penetrating therethrough, and the joint position between the second wire sleeve (18) and the dust cover (16) is fixedly connected by resin glue; and the position of the second wire sleeve (18) corresponds to the position of the second wiring channel (14).

2. The dustproof device for a relay and the relay according to claim 1, characterized in that: The surface of the back plate (10) is also provided with a built-in hole (20) penetrating through the inside thereof, and the built-in hole (20) is symmetrically arranged along the upper and lower ends of the back plate (10).

3. The dustproof device for a relay and the relay according to claim 1, characterized in that: Both sides of the dust cover (16) are fixedly provided with mounting plates (21), the mounting plates (21) are of curved structures, and the surface of each mounting plate (21) is provided with a mounting hole (22) penetrating through the inside thereof.

4. The dustproof device for a relay and the relay according to claim 1, characterized in that: Both sides of the back plate (10) are fixedly provided with alignment blocks (30), and both sides of the dust cover (16) are respectively fixedly provided with alignment seats (31) through supports; the alignment blocks (30) and the alignment seats (31) are slidingly inserted and connected.

5. The dustproof device for a relay and the relay according to claim 4, characterized in that: The surface of the alignment block (30) is provided with a groove (32), the groove (32) is slidingly sleeved with a clamping pin (35) in the inside thereof, the surface of the clamping pin (35) is of an arc surface, the inside of the groove (32) is provided with a spring (33), and both ends of the spring (33) are fixedly assembled with the surface of the clamping pin (35) and the inner wall surface of the groove (32).

6. The dustproof device for a relay and the relay according to claim 5, characterized in that: The slot of the alignment seat (31) is provided with a pin hole (34) penetrating through the surface thereof, and the clamping pin (35) and the pin hole (34) are slidingly and penetratingly arranged.

7. The dustproof device for a relay and the relay according to claim 1, characterized in that: The inside of the first wire sleeve (17) is slidingly inserted with a lead sleeve (40), the inner wall surface of the lead sleeve (40) is of a tapered structure, a sealing ring (41) is arranged at the narrow opening of the outward end of the lead sleeve (40), and the sealing ring (41) is made of water-swelling rubber material.

8. The dustproof device for a relay and the relay according to claim 7, characterized in that: The inner wall of the first wire sleeve (17) is provided with a clamping groove (43), and the end of the lead sleeve (40) is fixedly provided with an elastic clamping piece (42); the elastic clamping piece (42) and the clamping groove (43) are arranged in interlocking mode.

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