CN210349714U

CN210349714U - Sealed relay

Info

Publication number: CN210349714U
Application number: CN201921661409.2U
Authority: CN
Inventors: 汤繁稀; 杨钦
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-07
Filing date: 2019-10-07
Publication date: 2020-04-17
Anticipated expiration: 2029-10-07

Abstract

The utility model discloses a sealed relay, which belongs to the technical field of power equipment, a mounting groove is arranged in a shell, a limiting plate is fixedly sleeved in the mounting groove, the upper end of the limiting plate is fixedly connected with an elastic cushion, the side surface of the elastic cushion is in contact connection with the shell, the inner wall of the shell is fixedly connected with a symmetrical snap ring, a cover plate is clamped in the mounting groove, the lower end of the cover plate is in contact connection with the elastic cushion, the upper end surface of the cover plate is provided with a pouring groove, four side surfaces of the cover plate are provided with glue filling holes which are distributed equidistantly, the limiting plate, the elastic cushion and the snap ring which are arranged enable the cover plate to have the function of quick positioning, the glue filling and sealing of the cover plate are convenient, the assembling quality of the cover plate and the shell is improved, and the pouring groove, the glue filling holes and the connecting groove, the sealing efficiency and the equipment fastness of relay have been improved.

Description

Sealed relay

Technical Field

The utility model relates to a power equipment technical field, more specifically say, relate to a sealed relay.

Background

The relay is an electric control device, is an automatic switch for controlling large current by using small current, plays the roles of automatic adjustment, conversion and protection in a circuit, and most of the existing relay production technology can seal the relay working contact in a shell in order to prolong the service life of the relay.

At present, current sealed relay is when the equipment apron, does not have the function of location apron mostly, and when lapping the injecting glue, the removal may appear in the apron, may reduce pouring efficiency and equipment quality to the discharge of the downthehole air of injecting glue of the apron injecting glue hole of current sealed relay setting is not convenient for mostly, and sealing area is limited moreover, may reduce the equipment fastness of sealed efficiency and apron.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, an object of the utility model is to provide a sealed relay, limiting plate, cushion and the snap ring that it set up make the apron have the effect of quick location, and the apron injecting glue of not only being convenient for is sealed, has improved the equipment quality of apron and casing moreover to the pouring basin that the apron set up, encapsulating hole and spread groove not only have the effect of quick exhaust air, but also have the effect that increases pouring seal area, have improved the sealed efficiency and the equipment fastness of relay.

In order to solve the above problems, the utility model adopts the following technical proposal.

A sealed relay comprises a shell, wherein a mounting groove is arranged in the shell, a limiting plate is fixedly sleeved in the mounting groove, an elastic cushion is fixedly connected to the upper end of the limiting plate, the side surface of the elastic cushion is in contact connection with the shell, symmetrical clamping rings are fixedly connected to the inner wall of the shell, a cover plate is clamped in the mounting groove, the lower end of the cover plate is in contact connection with the elastic cushion, a pouring groove is formed in the upper end surface of the cover plate, glue pouring holes are formed in four side surfaces of the cover plate and distributed at equal intervals, the glue pouring holes are semicircular, connecting grooves communicated with the glue pouring holes are formed in the side surfaces of the cover plate, the connecting grooves are annular, symmetrical clamping grooves are formed in the side surfaces of the cover plate, and the limiting plate, the elastic cushion and the clamping rings are arranged to enable the cover plate to have the function of quick positioning so, and the equipment quality of apron and casing has been improved to pouring basin, encapsulating hole and the spread groove that the apron set up not only have the effect of quick exhaust air, but also have the effect that increases pouring sealing area, improved the sealed efficiency and the equipment fastness of relay.

Further, the shape of limiting plate is square, the intermediate position of limiting plate is equipped with the through-hole, the shape of through-hole is square, the pin has been cup jointed in the through-hole, and when the apron cup jointed in the mounting groove, the limiting plate that sets up has spacing effect.

Further, the shape of cushion is square, the material of cushion is elastic rubber, the intermediate position of cushion is equipped with the via hole, the internal diameter of via hole is the same with the internal diameter of through-hole, when the cushion receives the extrusion of apron, has the effect of compression elasticity, and elasticity makes the apron have the effect of automatic fastening.

Further, the shape of snap ring is the bar, the upper end of snap ring is equipped with arc portion, the lower extreme of snap ring is equipped with sharp portion, the side joint of snap ring has the draw-in groove, and the arc portion and the sharp portion that the snap ring set up not only are convenient for the installation of apron, but also have the function of anticreep.

Further, the shape of casting groove is circular, the casting groove is equipped with first runner and second runner, first runner and second runner intercommunication have the encapsulating hole, and the casting groove that sets up is convenient for the staff to downthehole glue that pours into of encapsulating, has improved the packaging efficiency of relay.

Further, the surface of apron is equipped with the quad slit, the quad slit is the equidistance and distributes, the quad slit internal fixation has cup jointed the pin, and the position of the fixed each pin that the quad slit that sets up can be quick, the equipment of the relay of being convenient for.

Furthermore, the cover plate and the shell are encircled to form a leakage-proof groove, the size of the leakage-proof groove is the same as that of the installation groove, the arranged leakage-proof groove can prevent redundant glue from overflowing the upper end of the shell when workers glue is injected and sealed on the cover plate, and the appearance of the relay is attractive.

Compared with the prior art, the utility model has the advantages of:

(1) limiting plate, cushion and the snap ring that this scheme set up make the apron have the effect of quick location, and the apron injecting glue of not only being convenient for is sealed, has improved the equipment quality of apron with the casing moreover to pouring basin, encapsulating hole and the spread groove that the apron set up not only have the effect of quick exhaust air, but also have the effect that increases pouring sealing area, have improved the sealed efficiency and the equipment fastness of relay.

(2) The shape of limiting plate is square, and the intermediate position of limiting plate is equipped with the through-hole, and the shape of through-hole is square, has cup jointed the pin in the through-hole, and when the apron cup jointed in the mounting groove, the limiting plate that sets up has spacing effect.

(3) The shape of cushion is square, and the material of cushion is elastic rubber, and the intermediate position of cushion is equipped with the via hole, and the internal diameter of via hole is the same with the internal diameter of through-hole, and when the cushion received the extrusion of apron, had the effect of compression elasticity, elasticity makes the apron have automatic fastening's effect.

(4) The shape of snap ring is the bar, and the upper end of snap ring is equipped with arc portion, and the lower extreme of snap ring is equipped with sharp portion, and the side joint of snap ring has the draw-in groove, and the installation of the apron not only is convenient for to arc portion and the sharp portion that the snap ring set up, but also has the function of anticreep.

(5) The shape of casting trough is circular, and the casting trough is equipped with first runner and second runner, and first runner and second runner intercommunication have the encapsulating hole, and the casting trough that sets up is convenient for the staff to downthehole glue of infusing, has improved the packaging efficiency of relay.

(6) The surface of apron is equipped with the quad slit, and the quad slit is the equidistance and distributes, and the quad slit internal fixation has cup jointed the pin, and the position of fixed each pin that the quad slit that sets up can be quick, the equipment of the relay of being convenient for.

(7) The cover plate and the shell are encircled to form the leakage-proof groove, the size of the leakage-proof groove is the same as that of the installation groove, the arranged leakage-proof groove can prevent the excessive glue from overflowing the upper end of the shell when workers seal the cover plate in a glue injection manner, and the appearance of the relay is improved.

Drawings

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

fig. 2 is a top view of the cover plate structure of the present invention;

FIG. 3 is a side view of the cover plate structure of the present invention;

FIG. 4 is a sectional view of the mounting structure of the housing and the cover plate of the present invention;

fig. 5 is an enlarged view of a portion a of fig. 4.

The reference numbers in the figures illustrate:

the sealing device comprises a shell 1, an 11 mounting groove, a 2 limiting plate, a 21 through hole, a 3 elastic cushion, a 31 through hole, a 4 clamping ring, a 41 arc-shaped part, a 42 straight line part, a 5 cover plate, a 51 square hole, a 52 pouring groove, a 521 first flow channel, a 522 second flow channel, a 53 glue pouring hole, a 54 connecting groove, a 55 clamping groove, a 6 pin and a 7 leakage-proof groove.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, a sealed relay includes a housing 1, referring to fig. 1-5, a mounting groove 11 is provided in the housing 1, a relay working component is fixedly connected to the bottom of the mounting groove 11, and includes components such as a PCB, etc., which are standard components or components known to those skilled in the art, and the working principle of the relay working component is known to those skilled in the art or can be known by a technical manual, a limiting plate 2 is fixedly sleeved in the mounting groove 11, the limiting plate 2 is used to fix the mounting position of a cover plate 5, an elastic pad 3 is fixedly connected to the upper end of the limiting plate 2, the elastic pad 3 not only has the function of compression elasticity, but also can prevent glue from flowing into the bottom of the mounting groove 11 along the inner wall of the housing 1, and also has the function of leakage prevention, the side surface of the elastic pad 3 is in contact with, the joint has apron 5 in the mounting groove 11, apron 5 is engineering plastics with the material of casing 1, good toughness has, the lower extreme contact of apron 5 is connected with cushion 3, the upper end surface of apron 5 is equipped with pouring basin 52, four sides of apron 5 are equipped with encapsulating hole 53, encapsulating hole 53 is used for holding glue, and through glue and casing 1 sealing connection, encapsulating hole 53 is the equidistance and distributes, encapsulating hole 53's shape is semi-circular, the side of apron 5 is equipped with the spread groove 54 that is linked together with encapsulating hole 53, the shape of spread groove 54 is the annular, the side of apron 5 is equipped with the draw-in groove 55 of symmetry.

Please refer to fig. 4, the shape of the limiting plate 2 is square, the middle position of the limiting plate 2 is provided with a through hole 21, the shape of the through hole 21 is square, the pin 6 is sleeved in the through hole 21, when the cover plate 5 is sleeved in the mounting groove 11, the limiting plate 2 is provided with a limiting effect, the shape of the elastic pad 3 is square, the elastic pad 3 is made of elastic rubber, the middle position of the elastic pad 3 is provided with a via hole 31, the inner diameter of the via hole 31 is the same as the inner diameter of the through hole 21, when the elastic pad 3 is extruded by the cover plate 5, the elastic pad has a function of compressing elasticity, and the elastic force enables the cover plate 5 to have.

Referring to fig. 2 and 5, the snap ring 4 is in a bar shape, the upper end of the snap ring 4 is provided with the arc portion 41, the lower end of the snap ring 4 is provided with the linear portion 42, the side surface of the snap ring 4 is clamped with the clamping groove 55, the arc portion 41 and the linear portion 42 of the snap ring 4 are convenient for mounting the cover plate 5 and have an anti-falling function, the pouring groove 52 is in a circular shape, the pouring groove 52 is provided with the first flow channel 521 and the second flow channel 522, the first flow channel 521 and the second flow channel 522 are communicated with the glue filling hole 53, and the pouring groove 52 is convenient for workers to fill glue into the glue filling hole 53, so that the assembly efficiency of the relay is improved.

Please refer to fig. 2 and 4, the surface of the cover plate 5 is provided with square holes 51, the square holes 51 are equidistantly distributed, pins 6 are fixedly sleeved in the square holes 51, a PCB circuit board is welded at the lower ends of the pins 6, the square holes 51 can be used for rapidly fixing the positions of the pins 6, the relay is convenient to assemble, the cover plate 5 and the shell 1 are encircled to form the leakage-proof groove 7, the size of the leakage-proof groove 7 is the same as that of the mounting groove 11, the leakage-proof groove 7 is arranged to prevent a worker from overflowing the upper end of the shell 1 when the cover plate 5 is sealed by injecting glue, and the appearance of the relay is improved.

When the sealed relay is assembled, firstly, the cover plate 5 moves downwards to be clamped into the mounting groove 11, the cover plate 5 moves downwards along the mounting groove 11 to extrude the elastic pad 3, the elastic pad 3 forms compression elastic force, meanwhile, the cover plate 5 moves downwards to clamp the snap ring 4 into the clamping groove 55, the elastic pad 3 releases the elastic force after the cover plate 5 is loosened, the elastic force upwards pushes the cover plate 5, the cover plate 5 moves upwards to firmly clamp the snap ring 4 in the clamping groove 55 to fix the position of the cover plate 5, the arranged limiting plate 2, the elastic pad 3 and the snap ring 4 enable the cover plate 5 to have the function of quick positioning, not only is glue injection sealing of the cover plate 5 facilitated, but also the assembling quality of the cover plate 5 and the shell 1 is improved, then glue is poured into the pouring groove 52, the glue enters the glue pouring holes 53 through the first flow passage 521 and the second flow passage 522, then the glue is sequentially poured into each glue pouring hole 53 through the connecting, unnecessary air is discharged through the upper end of encapsulating hole 53 fast, can not have the production of bubble, and pouring basin 52, encapsulating hole 53 and the spread groove 54 that apron 5 set up not only have the effect of quick discharge air, but also have the effect that increases pouring sealing area, have improved the sealed efficiency and the equipment fastness of relay.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A sealed relay comprising a housing (1), characterized in that: the improved glue filling device is characterized in that a mounting groove (11) is formed in the shell (1), a limiting plate (2) is fixedly sleeved in the mounting groove (11), an elastic pad (3) is fixedly connected to the upper end of the limiting plate (2), the shell (1) is connected to the side surface of the elastic pad (3) in a contact manner, symmetrical snap rings (4) are fixedly connected to the inner wall of the shell (1), a cover plate (5) is connected to the mounting groove (11) in a snap manner, the elastic pad (3) is connected to the lower end of the cover plate (5) in a contact manner, a pouring groove (52) is formed in the upper end surface of the cover plate (5), glue filling holes (53) are formed in four side surfaces of the cover plate (5), the glue filling holes (53) are distributed in an equidistant manner, the glue filling holes (53) are semicircular in shape, a connecting groove (54) communicated with the glue filling holes (53), and symmetrical clamping grooves (55) are formed in the side surface of the cover plate (5).

2. A sealed relay according to claim 1, wherein: the shape of limiting plate (2) is square, the intermediate position of limiting plate (2) is equipped with through-hole (21), the shape of through-hole (21) is square, pin (6) have cup jointed in through-hole (21).

3. A sealed relay according to claim 1, wherein: the shape of cushion (3) is square, the material of cushion (3) is elastic rubber, the intermediate position of cushion (3) is equipped with via hole (31), the internal diameter of via hole (31) is the same with the internal diameter of through-hole (21).

4. A sealed relay according to claim 1, wherein: the shape of snap ring (4) is the bar, the upper end of snap ring (4) is equipped with arc portion (41), the lower extreme of snap ring (4) is equipped with straight line portion (42), the side joint of snap ring (4) has draw-in groove (55).

5. A sealed relay according to claim 1, wherein: the pouring trough (52) is circular, the pouring trough (52) is provided with a first runner (521) and a second runner (522), and the first runner (521) and the second runner (522) are communicated with a glue pouring hole (53).

6. A sealed relay according to claim 1, wherein: the surface of apron (5) is equipped with quad slit (51), quad slit (51) are the equidistance and distribute, the fixed cover is cup jointed pin (6) in quad slit (51).

7. A sealed relay according to claim 1, wherein: the cover plate (5) and the shell (1) enclose a leakage-proof groove (7), and the size of the leakage-proof groove (7) is the same as that of the mounting groove (11).