CN211294975U

CN211294975U - Insulator split type electromagnetic relay

Info

Publication number: CN211294975U
Application number: CN201922486754.3U
Authority: CN
Inventors: 刘振伟
Original assignee: Sanyou Corp Ltd
Current assignee: Sanyou Corp Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-18
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to the technical field of relays, in particular to an insulator split type electromagnetic relay, which comprises a first body, an electromagnet and a movable terminal which are arranged on the first body, a second body which is matched with the first body, and a static terminal which is arranged on the second body; the protective shell is provided with an accommodating cavity; the second body is provided with a supporting part and a bearing part, the first body is pressed on the supporting part, and the first body is in inserted fit with the bearing part; the protective shell is provided with a plurality of glue containing grooves penetrating through the inner cavity wall of the accommodating cavity, and the glue containing grooves are arranged around the supporting part; glue is injected into the glue containing grooves, the supporting part and the protective shell are firmly bonded together by using the glue in the glue containing grooves, and the protective shell is prevented from being separated from the body to cause poor use of the relay. The first body and the second body are assembled together in an inserting mode, and compared with the electromagnet, the movable terminal and the static terminal, the first body and the second body are assembled on the same body, interference and collision in the assembling process are avoided, and the assembling efficiency and the assembling yield of the relay are improved.

Description

Insulator split type electromagnetic relay

Technical Field

The utility model relates to a relay technical field especially discloses a split type electromagnetic relay of insulator.

Background

The relay is one of common accessories of various mechanical equipment, the relay is an automatic switch which utilizes small current to control the on-off of large current, the types of the relays are various, and the electromagnetic relay is one of the relays. Electromagnetic relay includes insulator and installs a plurality of spare parts on insulator, and a plurality of spare parts all need assemble same insulator among the prior art, and a plurality of spare parts can take place to interfere the collision in the equipment process, lead to spare part to warp badly, lead to the relay equipment badly. In the prior art, the shell needs to be installed outside the main body of the relay by means of fasteners such as screws and the like, the installation structure is complex, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide an insulator split type electromagnetic relay, which utilizes the glue in a glue containing groove to firmly bond a supporting part and a protective shell together, thereby avoiding the poor use of the relay caused by the separation of the protective shell and a body; the first body and the second body are assembled together in an inserting mode, and compared with the electromagnet, the movable terminal and the static terminal, the first body and the second body are assembled on the same body, interference and collision in the assembling process are avoided, and the assembling efficiency and the assembling yield of the relay are improved.

In order to achieve the above object, the present invention provides an insulator split type electromagnetic relay, which includes a first body, an electromagnet disposed on the first body, a movable terminal disposed on the first body or the electromagnet, a second body inserted and matched with the first body, and a stationary terminal disposed on the second body, wherein the electromagnet is used for driving the movable terminal to turn on or off the stationary terminal; the protection shell is provided with an accommodating cavity for accommodating the first body, the electromagnet, the movable terminal, the second body and the static terminal; the second body is provided with a supporting part and a bearing part crossed with the supporting part, the first body is pressed on the supporting part, and the first body is in inserted fit with the bearing part; the protective shell has a plurality of glue containing grooves which run through the inner cavity wall of the accommodating cavity, the glue containing grooves are arranged around the supporting part, and the glue contained in the glue containing grooves is used for bonding the protective shell and the supporting part.

Preferably, the top wall of the protective shell is provided with an air hole communicated with the accommodating cavity, an air passing gap communicated with the accommodating cavity is formed between the inner cavity wall of the accommodating cavity and the supporting part, and outside air enters the accommodating cavity through the air passing gap.

Preferably, the glue containing groove penetrates through the bottom surface of the protective shell, the protective shell is provided with a stop surface extending into the glue containing groove, and the stop surface is located between the bottom surface of the supporting part and the top surface of the supporting part.

Preferably, the upper end and the lower end of the bearing part are respectively provided with a first clamping groove and a second clamping groove, the upper end of the first body is provided with a first clamping part arranged in the first clamping groove, and the lower end of the first body or the lower end of the electromagnet is provided with a second clamping part arranged in the second clamping groove.

Preferably, the first clamping portion comprises a first plate body and a second plate body arranged in a crossed mode with the first plate body, the first clamping groove comprises a first groove body and a second groove body arranged in a crossed mode with the first groove body, and the first plate body and the second plate body are arranged in the first groove body and the second groove body respectively.

Preferably, the bearing part is provided with a third clamping groove, the first clamping groove and the second clamping groove are both formed by being concavely arranged on one side, close to the electromagnet, of the bearing part, and the third clamping groove is formed by being concavely arranged on one side, far away from the electromagnet, of the bearing part; the static terminal is arranged on the bearing part and is provided with a clamping plate part arranged in the third clamping groove.

Preferably, the bearing part is provided with a plurality of isolating bars, and the plurality of third clamping grooves are respectively positioned at two sides of the isolating bars; the quantity of quiet terminal is two, and two quiet terminals are located the both sides of parting strip respectively, and the cardboard part of two quiet terminals is packed into in the second draw-in groove of parting strip both sides respectively.

Preferably, the first body is provided with two wiring terminals for conducting the electromagnet, and each wiring terminal comprises a welding leg penetrating through the supporting part, a fixing part arranged on the first body and a wiring part protruding out of the first body; the second body is equipped with two grooves of stepping down, and two grooves of stepping down are established concavely from the both sides that the second body kept away from each other and are formed, and two binding post's wiring portion is located two inslots of stepping down respectively.

Preferably, the supporting portion is provided with two sliding holes, the wiring portions of the two wiring terminals penetrate through the supporting portion through the two sliding holes respectively, the sliding holes extend along the length direction of the supporting portion, the sliding holes penetrate through the supporting portion along the thickness direction of the supporting portion, and the welding feet move in the sliding holes so that the first clamping portion and the second clamping portion are installed in the first clamping groove and the second clamping groove respectively.

Preferably, the first body is provided with a groove which is formed by recessing from the bottom surface of the first body, the electromagnet is provided with a yoke piece, the yoke piece is accommodated in the groove, and the yoke piece protrudes out of the first body to form a second clamping part; the holding portion covers the opening of the recess to enclose the yoke member in the recess.

The utility model has the advantages that: glue is injected into the glue containing grooves, the supporting part and the protective shell are firmly bonded together by using the glue in the glue containing grooves, and the protective shell is prevented from being separated from the body to cause poor use of the relay. The first body and the second body are assembled together in an inserting mode, and compared with the electromagnet, the movable terminal and the static terminal, the first body and the second body are assembled on the same body, interference and collision in the assembling process are avoided, and the assembling efficiency and the assembling yield of the relay are improved.

Drawings

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

fig. 2 is a schematic perspective view of another perspective of the present invention;

FIG. 3 is a schematic view of the exploded structure of the present invention;

FIG. 4 is an exploded view of the present invention from another perspective;

FIG. 5 is a schematic perspective view of the protective shell of the present invention;

fig. 6 is a partially enlarged structural view of a portion a in fig. 5.

The reference numerals include:

1-first body 2-electromagnet 3-movable terminal

4-second body 5-static terminal 6-protective shell

7-accommodating cavity 8-supporting part 9-bearing part

11-glue containing groove 12-air vent 13-air gap

14-stop surface 15-first slot 16-second slot

17-first clip part 18-second clip part 19-first plate body

21-second plate 22-first groove 23-second groove

24-third slot 25-parting strip 26-clamping plate part

27-terminal 28-solder foot 29-fixing part

31-wiring part 32-abdicating groove 33-slide hole

34-groove 35-yoke piece 36-concave hole.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

Please refer to fig. 1 to 6, the present invention discloses an insulator split type electromagnetic relay, which comprises a first body 1, an electromagnet 2 installed on the first body 1, a movable terminal 3 installed on the first body 1 or the electromagnet 2, a second body 4 inserted and matched with the first body 1, a stationary terminal 5 installed on the second body 4, and an electromagnet 2 for driving the movable terminal 3 to move, wherein the movable terminal 3 is connected or disconnected with the stationary terminal 5. The first body 1 and the second body 4 are made of insulating plastics.

The electromagnetic switch further comprises a protective shell 6, the protective shell 6 is made of insulating plastics, an accommodating cavity 7 used for accommodating the first body 1, the electromagnet 2, the movable terminal 3, the second body 4 and the static terminal 5 is formed in the protective shell 6, the accommodating cavity 7 is formed by the concave arrangement of the bottom surface of the protective shell 6, and the protective shell 6 is approximately in a hollow cuboid shape.

The second body 4 has a supporting portion 8 and a bearing portion 9 crossing the supporting portion 8, the second body 4 is of an integral structure, preferably, the second body 4 is of an L shape, the supporting portion 8 and the bearing portion 9 are perpendicular to each other, and the bearing portion 9 is formed by protruding from the top surface of the supporting portion 8. The first body 1 is pressed and held on the holding part 8 under the action of gravity, the first body 1 is in insertion fit with the bearing part 9, and the static terminal 5 is arranged on the bearing part 9.

The protective shell 6 is provided with a plurality of glue containing grooves 11 penetrating through the inner cavity wall of the containing cavity 7, the glue containing grooves 11 are arranged around the supporting part 8, and glue contained in the glue containing grooves 11 is used for bonding the protective shell 6 and the supporting part 8.

When the relay is assembled, glue is injected into the glue containing grooves 11, the supporting parts 8 and the protective shell 6 are firmly bonded together by the glue in the glue containing grooves 11, and the problem that the protective shell 6 is separated from the body to cause poor use of the relay is avoided. The first body 1 and the second body 4 are assembled together in an inserting mode, and compared with the situation that the electromagnet 2, the movable terminal 3 and the static terminal 5 are assembled on the same body, the interference, collision and damage of parts of the relay in the assembling process are avoided, and the assembling efficiency and the assembling yield of the relay are improved.

The top wall of the protective shell 6 is provided with an air hole 12 communicated with the accommodating cavity 7, an air passing gap 13 communicated with the accommodating cavity 7 is arranged between the inner cavity wall of the accommodating cavity 7 and the supporting part 8, and outside air enters the accommodating cavity 7 through the air passing gap 13. In the use of relay, the relay generates heat and makes the air temperature in holding chamber 7 rise, and under the effect of air heat convection, the hot-air in holding chamber 7 escapes via bleeder vent 12, and external cold air gets into in holding chamber 7 via air gap 13, realizes the quick heat dissipation cooling of relay, avoids the relay to use badly because of the temperature risees.

Preferably, the ventilation holes 12 are located at the positions where the top wall of the protective shell 6 is close to the side wall of the protective shell 6, that is, the ventilation holes 12 are located at the corners of the top wall of the protective shell 6, so as to prevent the top wall of the protective shell 6 from being damaged due to lower strength compared with the situation that the ventilation holes 12 are located at the center of the top wall of the protective shell 6.

The glue containing groove 11 penetrates through the bottom surface of the protective shell 6, the protective shell 6 is provided with a stopping surface 14 extending into the glue containing groove 11, and the stopping surface 14 is positioned between the bottom surface of the supporting part 8 and the top surface of the supporting part 8. Through the arrangement of the stopping surface 14, after the glue is injected into the glue containing groove 11, the stopping surface 14 stops the glue in the glue containing groove 11, the glue amount in the glue containing groove 11 is increased, the bonding force between the protective shell 6 and the supporting part 8 is improved, and the two parts are firmly bonded together. Furthermore, the position of the stop surface 14 prevents the glue in the glue containing groove 11 from entering the containing cavity 7 beyond the supporting part 8 and damaging the relay fittings.

The upper end and the lower end of the bearing part 9 are respectively provided with a first clamping groove 15 and a second clamping groove 16, the upper end of the first body 1 is provided with a first clamping part 17 arranged in the first clamping groove 15, and the lower end of the first body 1 or the lower end of the electromagnet 2 is provided with a second clamping part 18 arranged in the second clamping groove 16. Through the cooperation of card portion and draw-in groove, ensure that first body 1 and second body 4 are pegged graft fast and are assembled together, need not to fix two bodies together with the help of fasteners such as screws, promote the packaging efficiency of two bodies.

First card portion 17 includes first plate 19 and the second plate 21 of crossing setting with first plate 19, and preferably, first plate 19 sets up with second plate 21 is perpendicular, and first draw-in groove 15 includes first cell body 22 and the second cell body 23 of crossing setting with first cell body 22, and first plate 19, second plate 21 are packed into respectively in first cell body 22 and the second cell body 23. Through the insertion and matching of the first clamping portion 17 and the first clamping groove 15, the inner groove wall of the first clamping groove 15 is used for stopping and abutting against the first clamping portion 17, so that the first body 1 is prevented from moving up and down relative to the second body 4, and meanwhile, the first body 1 is prevented from moving left and right relative to the second body 4.

Be provided with third draw-in groove 24 on the supporting part 9, first draw-in groove 15, second draw-in groove 16 are all established from one side that supporting part 9 is close to electro-magnet 2 and are concavely established and form, and third draw-in groove 24 is established from one side that supporting part 9 kept away from electro-magnet 2 and is concavely established, and first draw-in groove 15, third draw-in groove 24 are established from the left and right sides that supporting part 9 kept away from each other and are concavely established and form promptly, at the in-process of first body 1 with the equipment of pegging graft of second body 4, avoid quiet terminal 5 to interfere the collision first card portion 17, second card portion 18 and electro-magnet 2, promote the equipment yield of relay. The stationary terminal 5 is mounted on the carrier 9, and the stationary terminal 5 is provided with a card plate portion 26 fitted into the third card slot 24.

The bearing part 9 is provided with an isolating strip 25, the isolating strip 25 extends along the length direction of the bearing part 9, the number of the third clamping grooves 24 is multiple, and the multiple third clamping grooves 24 are respectively positioned at the left side and the right side of the isolating strip 25; the number of the static terminals 5 is two, the two static terminals 5 are respectively located at the left side and the right side of the isolating bar 25, and the clamping plate parts 26 of the two static terminals 5 are respectively arranged in the second clamping grooves 16 at the two sides of the isolating bar 25.

The two static terminals 5 are separated by the isolating strip 25, so that interference and collision of the two static terminals 5 in the process of assembling the two static terminals 5 on the bearing part 9 are prevented, and the assembling yield of the two static terminals 5 is improved. Avoid two quiet terminals 5 to take place the contact in the use simultaneously, promote the performance of relay. The movable terminal 3 is used for conducting and contacting with one static terminal 5, and when the electromagnet 2 is electrified, the electromagnet 2 drives the movable terminal 3 to conduct the first static terminal 5; when the electromagnet 2 loses power, the movable terminal 3 is reset under the action of elastic force and then the second fixed terminal 5 is conducted.

The first body 1 is provided with two wiring terminals 27 for conducting the electromagnet 2, and each wiring terminal 27 comprises a welding leg 28 penetrating through the supporting part 8, a fixing part 29 arranged on the first body 1 and a wiring part 31 protruding out of the first body 1; the second body 4 is provided with two receding grooves 32, the two receding grooves 32 are formed by recessing two sides of the second body 4 away from each other, and the wiring portions 31 of the two wiring terminals 27 are respectively located in the two receding grooves 32. In practical use, two ends of the coil of the electromagnet 2 are respectively welded on the wiring portion 31 in the receding groove 32, so that the electromagnet 2 is conducted with the wiring terminal 27, and the welding position of the wiring portion 31 and the coil of the electromagnet 2 is protected by the groove wall of the receding groove 32, so that the electromagnet is prevented from being damaged due to touch.

The supporting portion 8 is provided with two sliding holes 33, the wiring portions 31 of the two wiring terminals 27 penetrate through the supporting portion 8 through the two sliding holes 33, the free ends of the solder feet 28 are used for being welded on an external circuit main board, the sliding holes 33 extend along the length direction of the supporting portion 8, the sliding holes 33 penetrate through the supporting portion 8 along the thickness direction of the supporting portion 8, and the solder feet 28 move in the sliding holes 33 so that the first clamping portion 17 and the second clamping portion 18 are respectively installed in the first clamping groove 15 and the second clamping groove 16.

During practical use, the welding feet 28 are aligned with the sliding holes 33, then the first body 1 is pressed on the supporting portion 8, then the first body 1 and the second body 4 are assembled towards the direction close to each other, at the moment, the welding feet 28 move in the sliding holes 33 until the first clamping portion 17 is installed in the first clamping groove 15 and the second clamping portion 18 is installed in the second clamping groove 16, and rapid insertion assembly of the first body 1 and the second body 4 is achieved.

The first body 1 is provided with a groove 34, the groove 34 is formed by recessing from the bottom surface of the first body 1, the electromagnet 2 is provided with a yoke iron piece 35, the yoke iron piece 35 is accommodated in the groove 34, the yoke iron piece 35 protrudes out of the first body 1 to form a second clamping part 18, namely, the lower end of the yoke iron piece 35 protrudes out of the first body 1 and is arranged in the second clamping groove 16; the holder 8 covers the opening of the groove 34 to enclose the yoke iron 35 in the groove 34. Through the arrangement of the groove 34, the yoke iron piece 35 is not required to be inserted into the first body 1 along the thickness direction of the first body 1 in a sliding manner, and the interference of dust generated by the yoke iron piece 35 and the first body 1 due to sliding in the relay and the normal use of the relay is avoided.

In this embodiment, the iron core of the electromagnet 2 protrudes into the groove 34, a part of the yoke iron 35 located in the groove 34 has a concave hole 36 for accommodating the iron core, and the iron core in the groove 34 is used to stop and abut against the inner hole wall of the concave hole 36 of the yoke iron 35, so as to prevent the yoke iron 35 from withdrawing from the first body 1 and the second body 4, and ensure that the yoke iron 35 is stably assembled with the first body 1 and the second body 4.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. An insulator split type electromagnetic relay is characterized in that: the electromagnetic switch comprises a first body, an electromagnet arranged on the first body, a movable terminal arranged on the first body or the electromagnet, a second body in plug fit with the first body, and a static terminal arranged on the second body, wherein the electromagnet is used for driving the movable terminal to be switched on or off; the protection shell is provided with an accommodating cavity for accommodating the first body, the electromagnet, the movable terminal, the second body and the static terminal; the second body is provided with a supporting part and a bearing part crossed with the supporting part, the first body is pressed on the supporting part, and the first body is in inserted fit with the bearing part; the protective shell has a plurality of glue containing grooves which run through the inner cavity wall of the accommodating cavity, the glue containing grooves are arranged around the supporting part, and the glue contained in the glue containing grooves is used for bonding the protective shell and the supporting part.

2. The insulator split type electromagnetic relay according to claim 1, characterized in that: the roof of protective housing is equipped with the bleeder vent with the holding chamber intercommunication, has the gas clearance of passing with the holding chamber intercommunication between the inner chamber wall in holding chamber and the portion of holding, and external air gets into the holding intracavity via passing the gas clearance.

3. The insulator split type electromagnetic relay according to claim 1, characterized in that: the glue containing groove penetrates through the bottom surface of the protective shell, the protective shell is provided with a stop surface extending into the glue containing groove, and the stop surface is located between the bottom surface of the supporting part and the top surface of the supporting part.

4. The insulator split type electromagnetic relay according to claim 1, characterized in that: the upper end and the lower end of the bearing part are respectively provided with a first clamping groove and a second clamping groove, the upper end of the first body is provided with a first clamping part arranged in the first clamping groove, and the lower end of the first body or the lower end of the electromagnet is provided with a second clamping part arranged in the second clamping groove.

5. The insulator split type electromagnetic relay according to claim 4, characterized in that: the first clamping portion comprises a first plate body and a second plate body which is arranged in a crossed mode with the first plate body, the first clamping groove comprises a first groove body and a second groove body which is arranged in a crossed mode with the first groove body, and the first plate body and the second plate body are arranged in the first groove body and the second groove body respectively.

6. The insulator split type electromagnetic relay according to claim 4, characterized in that: the bearing part is provided with a third clamping groove, the first clamping groove and the second clamping groove are both formed by being concavely arranged on one side, close to the electromagnet, of the bearing part, and the third clamping groove is formed by being concavely arranged on one side, far away from the electromagnet, of the bearing part; the static terminal is arranged on the bearing part and is provided with a clamping plate part arranged in the third clamping groove.

7. The insulator split type electromagnetic relay according to claim 6, characterized in that: the bearing part is provided with a plurality of isolating strips, and the plurality of third clamping grooves are respectively positioned at two sides of the isolating strips; the quantity of quiet terminal is two, and two quiet terminals are located the both sides of parting strip respectively, and the cardboard part of two quiet terminals is packed into in the second draw-in groove of parting strip both sides respectively.

8. The insulator split type electromagnetic relay according to claim 1, characterized in that: the first body is provided with two wiring terminals for conducting the electromagnet, and each wiring terminal comprises a welding leg penetrating through the supporting part, a fixing part arranged on the first body and a wiring part protruding out of the first body; the second body is equipped with two grooves of stepping down, and two grooves of stepping down are established concavely from the both sides that the second body kept away from each other and are formed, and two binding post's wiring portion is located two inslots of stepping down respectively.

9. The insulator split type electromagnetic relay according to claim 1, characterized in that: the supporting portion is provided with two sliding holes, the wiring portions of the two wiring terminals penetrate through the supporting portion through the two sliding holes respectively, the sliding holes extend along the length direction of the supporting portion, the sliding holes penetrate through the supporting portion along the thickness direction of the supporting portion, and the welding feet move in the sliding holes so that the first clamping portion and the second clamping portion are installed in the first clamping groove and the second clamping groove respectively.

10. The insulator split type electromagnetic relay according to claim 1, characterized in that: the first body is provided with a groove which is formed by recessing from the bottom surface of the first body, the electromagnet is provided with a yoke piece, the yoke piece is accommodated in the groove, and the yoke piece protrudes out of the first body to form a second clamping part; the holding portion covers the opening of the recess to enclose the yoke member in the recess.