CN218849384U

CN218849384U - Safe and reliable relay

Info

Publication number: CN218849384U
Application number: CN202223534372.1U
Authority: CN
Inventors: 高永超; 李科; 刘玉胜
Original assignee: Shanghai Riqian Complete Equipment Engineering Co ltd
Current assignee: Shanghai Riqian Complete Equipment Engineering Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-11
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a safe and reliable relay, which comprises a shell, a switch shifting block and mounting pieces, wherein the switch shifting block is arranged at the front side of the shell, and the mounting pieces are fixed at the left side and the right side of the switch shifting block; further comprising: the baffle is arranged right in front of the switch shifting block, and the inner wall of the baffle is provided with a containing groove; the coil, its setting is in the inside of casing, the iron stand is installed to the bottom of coil, and the right side surface mounting of iron stand has the insulating frame. This safe and reliable's relay, the left and right sides of switch shifting block all is provided with the installed part, and the inside of installed part has seted up the spacing groove to the size of spacing groove is identical with the size of stopper, is convenient for carry out the dismouting operation between stopper and the installed part like this, thereby is convenient for carry out the dismouting to the baffle, makes the baffle be located the front side of switch shifting block, shelters from the protection to the switch shifting block through the baffle, effectively prevents to appear the maloperation to the switch shifting block.

Description

Safe and reliable relay

Technical Field

The utility model relates to a relay technical field specifically is a safe and reliable's relay.

Background

The relay is an electric control device, has an isolation function, is widely applied to the market, and plays an essential role particularly in electric power equipment.

The utility model discloses a CN211294976U, a safe and reliable relay, includes the shell body, the outer wall top of the left and right sides of shell body is fixed with the side-mounting ear symmetrically, the front outer wall of side-mounting ear is fixed with the mounting hole, the lateral wall middle part of the left and right sides of shell body is fixed with the heat dissipation window, the outer wall bottom embedded of the left and right sides of shell body is installed with a plurality of fin, the diapire of shell body is fixedly connected with the base, the relay inner room is fixed in the middle of the shell body, the inner part of shell body is close to the relay inner room is fixed with the moisture absorption heat dissipation room symmetrically, the moisture absorption heat dissipation room and the relay inner room middle are fixed with the baffle, the inner wall longitudinal arrangement of baffle has a plurality of through-holes, the roof middle part of relay inner room is fixed with the singlechip, the overall structure design is comparatively reasonable, the heat dissipation is washed and is absorbed the moisture effectually, has certain use value and spreading value,

however, the relay in the above application still has some disadvantages in the use process, for example, the switch piece on the relay cannot be protected, the phenomenon of misoperation occurs easily in the use process, the reliability of the relay in use is reduced, and when the movable contact inside the existing relay rotates, the movable contact is reset through the reset spring, the movable contact cannot be limited again, once the reset spring is damaged, the reset effect can be affected, the relay cannot be normally used, and the use effect of the relay is reduced, so that a safe and reliable relay is provided, and the problems provided in the above are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe and reliable's relay, can not keep off the switch member on the relay in solving the existing market that above-mentioned background art provided, the phenomenon of maloperation appears in the use easily, reliability when having reduced the relay use, and when the inside movable contact of current relay rotated, all reset through reset spring, can not carry out spacing once more to the movable contact, in case reset spring appears damaging, just can influence the effect that resets, lead to relay unable normal use, thereby the problem of the result of use of relay has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: a safe and reliable relay comprises a shell, a switch shifting block and mounting pieces, wherein the switch shifting block is arranged on the front side of the shell, and the mounting pieces are fixed on the left side and the right side of the switch shifting block;

further comprising:

the baffle is arranged right in front of the switch shifting block, and the inner wall of the baffle is provided with a containing groove;

the coil is arranged in the shell, an iron frame is arranged at the bottom of the coil, an insulating frame is arranged on the right side surface of the iron frame, a normally closed contact plate and a normally open contact plate are arranged on the insulating frame, and the normally closed contact plate is positioned above the normally open contact plate;

the armature is rotatably connected to the iron frame, a movable contact plate is arranged above the armature, and a return spring is arranged between the bottom of the left end of the armature and the iron frame.

Preferably, the connected mode of installed part and casing is the welding, and the installed part is provided with 2 to 2 installed parts are distributed about the longitudinal center line symmetry of switch shifting block, can make between installed part and the casing be connected more firmly, effectively prevent the phenomenon that drops in the use from appearing.

Preferably, the inside of accomodating the groove is provided with the stopper, and installs elastic spring between the inner wall of stopper and accomodating the groove, the stopper is connected through spacing groove and installed part, and the inside of installed part is seted up to the spacing groove, is convenient for carry out position control to the stopper like this.

Preferably, the connected mode of stopper and spacing groove is connected for the block, and the stopper passes through elastic spring and constitutes extending structure in the inside of accomodating the groove, there is the interval between baffle and the switch shifting block, can shelter from the protection to the switch shifting block through the baffle, effectively prevent the phenomenon of maloperation from appearing.

Preferably, the inner wall of iron stand still is provided with first gasbag and second gasbag, and is connected with the connecting pipe between first gasbag and the second gasbag, the bottom of first gasbag and the upper surface laminating of armature mutually, the top of second gasbag and the lower surface laminating of armature mutually are convenient for carry on spacing once more to armature like this.

Preferably, first gasbag and second gasbag all are adhesive connection with the internal surface of iron stand, and communicate each other through the connecting pipe between first gasbag and the second gasbag, can make armature accurate when using reset, and then guarantee the fail safe nature when this relay uses, improve the result of use to this relay.

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

(1) According to the safe and reliable relay, the mounting parts are arranged on the left side and the right side of the switch shifting block, the limiting grooves are formed in the mounting parts, the size of each limiting groove is matched with that of each limiting block, the limiting blocks form a telescopic structure in the accommodating grooves through the elastic springs, and therefore the limiting blocks and the mounting parts can be conveniently disassembled and assembled, the baffle is located on the front side of the switch shifting block and is shielded and protected through the baffle, misoperation of the switch shifting block is effectively prevented, and reliability of the relay in use is guaranteed;

(2) This safe and reliable's relay, the internal surface adhesive connection of iron stand has first gasbag and second gasbag, and communicate each other through the connecting pipe between first gasbag and the second gasbag, and the bottom of first gasbag and the upper surface of armature laminate mutually, the top of second gasbag and the lower surface of armature laminate mutually, when armature rotates like this, can carry out spacing once more to armature through first gasbag and second gasbag, effectively prevent the phenomenon of skew, guarantee the effect that resets, and then make this relay safe and reliable more when using, improve the availability factor to this relay.

Drawings

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

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

fig. 3 is a schematic side view of the connection between the armature and the first air bag according to the present invention;

FIG. 4 is a schematic top view of the mounting member of the present invention;

FIG. 5 is an enlarged schematic view of a portion of FIG. 1 according to the present invention;

fig. 6 is the utility model discloses installed part and stopper are connected and are dived open the schematic diagram.

In the figure: 1. a housing; 2. a switch shifting block; 3. a mounting member; 4. a baffle plate; 5. a receiving groove; 6. a limiting block; 7. an elastic spring; 8. a limiting groove; 9. a coil; 10. an iron frame; 11. an insulating frame; 12. a normally closed contact plate; 13. a normally open contact plate; 14. an armature; 15. a movable contact plate; 16. a return spring; 17. a first air bag; 18. a second air bag; 19. and (4) connecting the pipes.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a safe and reliable relay comprises a shell 1, a switch shifting block 2 and mounting pieces 3, wherein the switch shifting block 2 is arranged on the front side of the shell 1, the mounting pieces 3 are fixed on the left side and the right side of the switch shifting block 2, the mounting pieces 3 and the shell 1 are connected in a welding mode, 2 mounting pieces 3 are arranged, and the 2 mounting pieces 3 are symmetrically distributed about the longitudinal center line of the switch shifting block 2;

further comprising:

a baffle 4 which is arranged right in front of the switch shifting block 2, the inner wall of the baffle 4 is provided with a containing groove 5, the inside of the containing groove 5 is provided with a limit block 6, an elastic spring 7 is arranged between the limit block 6 and the inner wall of the containing groove 5, the limit block 6 is connected with the mounting part 3 through a limit groove 8, the limit groove 8 is arranged inside the mounting part 3, the connection mode of the limit block 6 and the limit groove 8 is clamping connection, the limit block 6 forms a telescopic structure in the containing groove 5 through the elastic spring 7, and an interval is arranged between the baffle 4 and the switch shifting block 2,

firstly, the relay is installed at a corresponding position, when the switch shifting block 2 is not used, a worker extrudes the limiting block 6 towards the baffle 4, the elastic spring 7 is compressed, the limiting block 6 can slide to the inside of the accommodating groove 5 along with the extrusion of the limiting block 6, then the baffle 4 is moved to the position right in front of the switch shifting block 2, the position of the limiting block 6 is aligned with the position of the limiting groove 8, the extrusion of the limiting block 6 is loosened, the limiting block 6 can be clamped into the limiting groove 8 under the reset action of the elastic spring 7, so that the baffle 4 can be fixed, the baffle 4 is positioned right in front of the switch shifting block 2, and due to the fact that a gap exists between the baffle 4 and the switch shifting block 2, the phenomenon that the switch shifting block 2 is mistakenly operated is effectively prevented, so that the stable use of the relay can be guaranteed, and the reliability of the relay in use is improved;

the coil 9 is arranged inside the shell 1, the bottom of the coil 9 is provided with an iron frame 10, the right side surface of the iron frame 10 is provided with an insulating frame 11, the insulating frame 11 is provided with a normally closed contact plate 12 and a normally open contact plate 13, and the normally closed contact plate 12 is positioned above the normally open contact plate 13;

an armature 14 which is rotatably connected to the iron frame 10, a movable contact plate 15 is arranged above the armature 14, a return spring 16 is arranged between the bottom of the left end of the armature 14 and the iron frame 10, a first air bag 17 and a second air bag 18 are further arranged on the inner wall of the iron frame 10, a connecting pipe 19 is connected between the first air bag 17 and the second air bag 18, the bottom of the first air bag 17 is attached to the upper surface of the armature 14, the top end of the second air bag 18 is attached to the lower surface of the armature 14, the first air bag 17 and the second air bag 18 are both in adhesive connection with the inner surface of the iron frame 10, and the first air bag 17 is communicated with the second air bag 18 through the connecting pipe 19,

when the relay is used, the movable contact plate 15 rotates along with the armature 14, when the movable contact plate 15 rotates upwards to contact with the normally closed contact plate 12, the armature 14 presses the first air bag 17, because the first air bag 17 is communicated with the second air bag 18 through the connecting pipe 19, when the first air bag 17 is pressed, gas inside the first air bag 17 enters the second air bag 18 through the connecting pipe 19, so that the volume of the second air bag 18 is increased, the top end of the second air bag 18 supports the armature 14, when the movable contact plate 15 rotates downwards to contact with the normally open contact plate 13, the armature 14 presses the second air bag 18, so that gas inside the second air bag 18 enters the first air bag 17 through the connecting pipe 19, the volume of the first air bag 17 is increased, the bottom end of the first air bag 17 abuts against the upper surface of the armature 14, so that the armature 14 can drive the movable contact plate 15 to move stably, thereby effectively preventing the occurrence of the phenomenon of deviation, further ensuring the safety and reliability of the relay.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A safe and reliable relay comprises a shell (1), a switch shifting block (2) and mounting pieces (3), wherein the switch shifting block (2) is arranged on the front side of the shell (1), and the mounting pieces (3) are fixed on the left side and the right side of the switch shifting block (2);

it is characterized by also comprising:

the baffle (4) is arranged right in front of the switch shifting block (2), and the inner wall of the baffle (4) is provided with a containing groove (5);

the coil (9) is arranged inside the shell (1), an iron frame (10) is installed at the bottom of the coil (9), an insulating frame (11) is installed on the right side surface of the iron frame (10), a normally closed contact plate (12) and a normally open contact plate (13) are arranged on the insulating frame (11), and the normally closed contact plate (12) is located above the normally open contact plate (13);

the armature (14) is rotatably connected to the iron frame (10), a movable contact plate (15) is arranged above the armature (14), and a return spring (16) is arranged between the bottom of the left end of the armature (14) and the iron frame (10).

2. A safe and reliable relay according to claim 1, wherein: the connecting mode of installed part (3) and casing (1) is the welding, and installed part (3) is provided with 2 to 2 installed parts (3) are about the longitudinal centre line symmetric distribution of switch shifting block (2).

3. A safe and reliable relay according to claim 1, wherein: the inside of accomodating groove (5) is provided with stopper (6), and installs between the inner wall of stopper (6) and accomodating groove (5) elastic spring (7), stopper (6) are connected through spacing groove (8) and installed part (3), and spacing groove (8) are seted up in the inside of installed part (3).

4. A safe and reliable relay according to claim 3, wherein: the connection mode of stopper (6) and spacing groove (8) is the block connection, and stopper (6) constitute extending structure through elasticity spring (7) in the inside of accomodating groove (5), there is the interval between baffle (4) and switch shifting block (2).

5. A safe and reliable relay according to claim 1, wherein: the inner wall of iron stand (10) still is provided with first gasbag (17) and second gasbag (18), and is connected with connecting pipe (19) between first gasbag (17) and second gasbag (18), the bottom of first gasbag (17) and the upper surface of armature (14) are laminated mutually, the top of second gasbag (18) and the lower surface of armature (14) are laminated mutually.

6. A safe and reliable relay according to claim 5, characterized in that: the first air bag (17) and the second air bag (18) are both in adhesive connection with the inner surface of the iron frame (10), and the first air bag (17) and the second air bag (18) are communicated with each other through a connecting pipe (19).