CN211265364U

CN211265364U - High leakproofness's formula magnetic latching relay that cut straightly

Info

Publication number: CN211265364U
Application number: CN202020458520.8U
Authority: CN
Inventors: 李明; 俞彩儿; 何松法; 李天航
Original assignee: Zhejiang Tenglong Intelligent Electrical Appliance Co ltd
Current assignee: Zhejiang Tenglong Intelligent Electrical Appliance Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-08-14
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a high-tightness direct-insertion type magnetic latching relay, which comprises a shell and a bottom plate arranged on the shell; the device is characterized in that a coil mounting groove, a movable spring piece mounting groove and a static spring piece mounting groove are formed in the shell; a coil is installed in the coil installation groove, a movable reed is installed in the movable reed installation groove, and a lining spring is fixedly installed on the movable reed; a static reed is arranged in the static reed mounting groove; and a magnetic steel combination is also arranged in the shell. The utility model discloses be convenient for assemble, the internals installation is firm, and sealing performance is good, and factor of safety is high, easy dismounting.

Description

High leakproofness's formula magnetic latching relay that cut straightly

Technical Field

The utility model relates to a relay specifically indicates a formula magnetic latching relay cut straightly of high leakproofness.

Background

The magnetic latching relay is a novel relay developed in recent years and is also an automatic switch. As with other electromagnetic relays, it acts to automatically turn on and off the circuit. The magnetic latching relay has the advantages that the normally closed state or the normally open state of the magnetic latching relay completely depends on the action of permanent magnetic steel, and the switching state of the magnetic latching relay is triggered by pulse electric signals with certain width to complete the switching. The magnetic latching relay is divided into a single phase and a three phase. According to the introduction of related information, the contact switching current of the magnetic latching relay on the market can reach 150A at most; the control coil voltage is divided into DC9V, DC12V, etc. The service life of the general electric appliance is 10000 times; mechanical life is 1000000 times; contact drop <100 mV. Therefore, the electromagnetic relay has the characteristics of power saving, stable performance, small volume, large bearing capacity and superior performance compared with the common electromagnetic relay.

The movable reed and the static reed of the magnetic latching relay are contacted by the driving of the pushing block and the magnetic circuit system, and the pushing block is driven to move after the magnetic circuit system is electrified, so that the closing and the opening are completed. However, the relays on the market are relatively complex in internal installation, inconvenient in installation and connection of components, and long in assembly time, so that the production efficiency is influenced; the existing relay has poor sealing performance, water enters the relay under a special environment to cause the failure of the relay, so that the relay cannot be normally used, and certain potential safety hazards are generated. Therefore, a high-sealing in-line magnetic latching relay is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem and providing a high leakproofness's formula magnetic latching relay that cut straightly.

In order to achieve the purpose, the utility model provides a high-tightness direct-insertion type magnetic latching relay, which comprises a shell and a bottom plate arranged on the shell; the device is characterized in that a coil mounting groove, a movable spring piece mounting groove and a static spring piece mounting groove are formed in the shell; a coil is installed in the coil installation groove, a movable reed is installed in the movable reed installation groove, and a lining spring is fixedly installed on the movable reed; a static reed is arranged in the static reed mounting groove; and a magnetic steel combination is also arranged in the shell.

Preferably, the two ends of the coil are provided with frameworks, and the frameworks are provided with yokes; the coil is fixedly arranged in the coil mounting groove through the framework; the bottom of the shell is provided with a fixed groove, the bottom surface of the magnetic steel combination is provided with a movable point matched with the fixed groove, and the magnetic steel combination is movably installed in the shell through the matching of the movable point and the fixed groove.

Preferably, the shell is further provided with a limiting column, and the yoke is further fixed in the shell through the limiting column; the magnetic steel combination is positioned between the yokes at the two ends of the coil and is in contact connection with the yokes through magnetism; and a coil leading-out pin is arranged on the framework through hot melting, and one end of the coil leading-out pin is connected with the coil.

Preferably, the shell is further provided with a positioning point and a positioning groove, the positioning point and the positioning groove are provided with positioning plates, and the positioning plate is provided with a positioning hole matched with the positioning point and a positioning block matched with the positioning groove; the top surface of the magnetic steel combination is provided with a limiting point, the positioning plate is provided with a limiting hole matched with the limiting point, and the positioning plate is connected with the magnetic steel combination through the matching of the limiting hole and the limiting point.

Further preferably, the lining spring is divided into an outer lining spring and a middle lining spring, and a movable contact is arranged on the outer lining spring; the static reed is provided with a static contact, and the movable contact corresponds to the static contact in position; the magnetic steel combination is provided with a connecting rod, a pushing sheet is arranged on the connecting rod, and the other end of the pushing sheet is fixedly connected with the outer lining spring; and the movable spring leaf is provided with a movable spring leading-out pin, and the static spring leaf is provided with a static spring leading-out pin.

Preferably, the movable spring leading-out pin and the static spring leading-out pin both penetrate through the shell and are fixedly connected with the shell through an adhesive; the movable spring lead-out pin and the static spring lead-out pin are connected with a copper stranded wire through welding, a glass fiber sleeve is installed on the copper stranded wire, the other end of the copper stranded wire is connected with a flat connecting sheet, and a heat shrink tube is installed at the joint of the flat connecting sheet and the copper stranded wire.

Preferably, the shell is provided with a groove and a plurality of guide grooves; the bottom plate is provided with a boss matched with the groove, and the bottom plate is also provided with a plurality of clamping blocks matched with the guide grooves; the guide groove is provided with a fixed bulge, and the fixture block is provided with a clamping groove matched with the fixed bulge; the shell is also provided with a plurality of threaded holes, and the bottom plate is also provided with threaded holes corresponding to the positions of the threaded holes.

Further preferably, a sealing gasket is arranged in the groove.

The utility model discloses be convenient for assemble, the internals installation is firm, and sealing performance is good, and factor of safety is high, easy dismounting.

Drawings

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention

FIG. 3 is a schematic view of a partial structure of the middle housing of the present invention;

FIG. 4 is a schematic view of the structure of the middle sole plate of the present invention;

fig. 5 is a schematic view of a partial structure of the present invention.

Illustration of the drawings: 1. a housing; 2. a base plate; 3. a coil mounting groove; 4. a movable spring plate mounting groove; 5. a static reed mounting groove; 6. a coil; 7. a movable spring plate; 8. a lining spring; 9. a stationary reed; 10. combining magnetic steel; 11. a framework; 12. a yoke; 13. fixing grooves; 14. an active point; 15. a limiting column; 16. positioning points; 17. positioning a groove; 18. positioning a plate; 19. positioning holes; 20. positioning blocks; 21. a restriction site; 22. a limiting hole; 23. an outer lining spring; 24. a middle lining spring; 25. a movable contact; 26. a stationary contact; 27. a connecting rod; 28. a push sheet; 29. a movable spring leading-out pin; 30. a static spring lead-out pin; 31. copper stranded wire; 32. a glass fiber sleeve; 33. a connecting sheet is flattened; 34. heat shrink tubing; 35. a groove; 36. a guide groove; 37. a boss; 38. a clamping block; 39. a fixed protrusion; 40. a card slot; 41. a threaded hole; 42. a gasket; 43. and a coil leading-out pin.

Detailed Description

The following will further describe a high-sealing direct-insertion type magnetic latching relay according to the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 5, the in-line magnetic latching relay with high sealability of the present embodiment includes a housing 1 and a bottom plate 2 mounted on the housing 1; the device is characterized in that a coil mounting groove 3, a movable reed mounting groove 4 and a static reed mounting groove 5 are arranged on the shell 1; a coil 6 is installed in the coil installation groove 3, a movable reed 7 is installed in the movable reed installation groove 4, and a lining spring 8 is fixedly installed on the movable reed 7; a static reed 9 is arranged in the static reed mounting groove 5; a magnetic steel combination 10 is also arranged in the shell 1; the two ends of the coil 6 are provided with frameworks 11, and the frameworks 11 are provided with yokes 12; the coil 6 is fixedly arranged in the coil mounting groove 3 through a framework 11; a fixed groove 13 is formed in the bottom of the shell 1, a movable point 14 matched with the fixed groove 13 is arranged on the bottom surface of the magnetic steel combination 10, and the magnetic steel combination 10 is movably installed in the shell 1 through the matching of the movable point 14 and the fixed groove 13; the shell 1 is further provided with a limiting column 15, and the yoke 12 is further fixed in the shell 1 through the limiting column 15; the magnetic steel combination 10 is positioned between the yokes 12 at the two ends of the coil 6, and the magnetic steel combination 10 is in contact connection with the yokes 12 through magnetism; a coil leading-out pin 43 is arranged on the framework 11 through hot melting, and one end of the coil leading-out pin 43 is connected with the coil 6; the shell 1 is also provided with a positioning point 16 and a positioning groove 17, the positioning point 16 and the positioning groove 17 are provided with a positioning plate 18, and the positioning plate 18 is provided with a positioning hole 19 matched with the positioning point 16 and a positioning block 20 matched with the positioning groove 17; the top surface of the magnetic steel assembly 10 is provided with a limit point 21, the positioning plate 18 is provided with a limit hole 22 matched with the limit point 21, and the positioning plate 18 is connected with the magnetic steel assembly 10 through the matching of the limit hole 22 and the limit point 21; the lining spring 8 is divided into an outer lining spring 23 and a middle lining spring 24, and a movable contact 25 is arranged on the outer lining spring 23; the static reed 9 is provided with a static contact 26, and the movable contact 25 corresponds to the static contact 26 in position; a connecting rod 27 is arranged on the magnetic steel assembly 10, a pushing sheet 28 is arranged on the connecting rod 27, and the other end of the pushing sheet 28 is fixedly connected with the outer lining spring 23; a movable spring leading-out pin 29 is arranged on the movable spring plate 7, and a static spring leading-out pin 30 is arranged on the static spring plate 9; the movable spring leading-out pin 29 and the static spring leading-out pin 30 both penetrate through the shell 1 and are fixedly connected with the shell 1 through an adhesive; the movable spring leading-out pin 29 and the static spring leading-out pin 30 are connected with a copper stranded wire 31 through welding, a glass fiber sleeve 32 is installed on the copper stranded wire 31, the other end of the copper stranded wire 31 is connected with a flat connecting sheet 33, and a heat shrinkable tube 34 is installed at the connecting position of the flat connecting sheet 33 and the copper stranded wire 31; the shell 1 is provided with a groove 35 and a plurality of guide grooves 36; the bottom plate 2 is provided with a boss 37 matched with the groove 35, and the bottom plate 2 is also provided with a plurality of clamping blocks 38 matched with the guide grooves 36; the guide groove 36 is provided with a fixing protrusion 39, and the clamping block 38 is provided with a clamping groove 40 matched with the fixing protrusion 39; the shell 1 is also provided with a plurality of threaded holes 41, and the bottom plate 2 is also provided with threaded holes 41 with corresponding positions; a gasket 42 is also provided in the groove 35.

The utility model discloses an in the installation: firstly, a coil 6 and yokes 12 arranged at two ends of the coil 6 are arranged in a coil mounting groove 3, meanwhile, the yokes 12 are fixed by a limiting column 15, then a magnetic steel combination 10 is preliminarily arranged in a shell 1 by matching of a movable point 14 at the bottom and a fixed groove 13 on the shell 1, the magnetic steel combination 10 is positioned between the yokes 12 at two ends of the coil 6 and is contacted with the yokes 12 by magnetism, then one end of a positioning plate 18 is connected with a positioning point on the shell 1 by a positioning hole 19, the other end of the positioning plate is connected with a positioning groove 17 on the shell 1 by a positioning block 20, the positioning plate 18 is just clamped at a limiting point 21 on the magnetic steel combination 10 by a limiting hole 22, then a lining spring 8 is fixedly arranged on a movable spring 7, the movable spring 7 and a fixed spring 9 are respectively arranged in a movable spring mounting groove 4 and a fixed spring mounting groove 5, and then one end of a pushing sheet 28 is fixedly connected with a connecting rod, the other end is fixedly connected with an outer lining spring 23; then, a copper stranded wire 31 is connected to the movable spring leading-out pin 29 and the static spring leading-out pin 30 through welding, a glass fiber sleeve 32 is sleeved on the copper stranded wire 31, a flat connecting sheet 33 is installed at the other end of the copper stranded wire 31 through welding, and a heat shrinkable tube 34 is installed at the connecting position of the flat connecting sheet 33 and the copper stranded wire 31; then, the sealing gasket 42 is installed in the groove 35 on the housing 1, then the base plate 2 is installed on the housing 1 through the matching of the boss 37 and the groove 35, meanwhile, the clamping groove 40 on the base plate 2 is clamped on the fixing boss 39 on the housing 1, finally, the screw is put into the screw hole 41 and is screwed through a screwdriver, and the installation of the magnetic latching relay is completed.

The utility model discloses an in the use: after the relay is electrified, a magnetic circuit is generated, the magnetic steel combination 10 is pushed through the magnetic circuit, the magnetic steel combination 10 moves around the movable point 14, in the moving process, the pushing sheet 28 is pushed through the connecting rod 27 to move, and therefore the lining spring 8 is pushed through the pushing sheet 28 to move, the movable contact 25 on the lining spring 8 is in contact with or is disconnected from the fixed contact 26 on the fixed spring piece 9, and closing or opening is completed.

The utility model has the advantages that: the coil mounting groove 3, the movable spring piece mounting groove 4 and the static spring piece mounting groove 5 are arranged in the shell 1, so that the coil 6, the movable spring piece 7 and the static spring piece 9 can be conveniently mounted, and each part is provided with a dedicated mounting groove, so that the assembly is convenient and the stability is good; the bottom of the shell 1 is provided with the fixed groove 13, the bottom of the magnetic steel combination 10 is provided with the movable point 14 matched with the fixed groove 13, and the magnetic steel combination 10 is limited and installed through the matching of the fixed groove 13 and the movable point 14, so that the phenomenon that the pushing sheet 28 shakes or even stops when pushed to work is prevented, and the smoothness during movement is improved; through the arrangement of the positioning plate 18 and the matching of the limiting hole 22 and the upper limiting point 21 of the magnetic steel combination 10, the fixed installation of the magnetic steel combination 10 is increased, and the displacement and even the falling off are prevented; the positioning hole 19 and the positioning block 20 are arranged on the positioning plate 18, and the corresponding positioning point 16 and the positioning groove 17 are arranged on the shell 1, so that the mounting position is limited, the mounting is convenient, and the assembly time is saved; through with shell 1 and bottom plate 2 through the buckle formula assembly, convenient assembling, through the design of recess 35 and boss 37, increase the unanimity of bottom plate 2 and shell 1 hookup location and increase the steadiness, installation sealed pad 42 in recess 35 increases the leakproofness, prevents into water or other debris and leads to the unable normal use of relay or damage.

The scope of the present invention is not limited to the above embodiments and their variations. The present invention is not limited to the above embodiments, and other modifications and substitutions may be made by those skilled in the art.

Claims

1. A high-tightness direct-insert type magnetic latching relay comprises a shell (1) and a bottom plate (2) arranged on the shell (1); the device is characterized in that a coil mounting groove (3), a movable spring piece mounting groove (4) and a static spring piece mounting groove (5) are formed in the shell (1); a coil (6) is installed in the coil installation groove (3), a movable reed (7) is installed in the movable reed installation groove (4), and a lining spring (8) is fixedly installed on the movable reed (7); a static reed (9) is arranged in the static reed mounting groove (5); and a magnetic steel combination (10) is also arranged in the shell (1).

2. The high-sealability in-line magnetic latching relay according to claim 1, wherein: frameworks (11) are installed at two ends of the coil (6), and yokes (12) are installed on the frameworks (11); the coil (6) is fixedly arranged in the coil mounting groove (3) through a framework (11); be equipped with fixed slot (13) on shell (1) bottom, the bottom surface of magnet steel combination (10) is equipped with movable point (14) with fixed slot (13) looks adaptation, magnet steel combination (10) are through the cooperation movable mounting of movable point (14) and fixed slot (13) in shell (1).

3. The high-sealability in-line magnetic latching relay according to claim 2, wherein: the shell (1) is further provided with a limiting column (15), and the yoke (12) is further fixed in the shell (1) through the limiting column (15); the magnetic steel combination (10) is positioned between the yokes (12) at the two ends of the coil (6), and the magnetic steel combination (10) is in contact connection with the yokes (12) through magnetism; a coil leading-out pin (43) is installed on the framework (11) through hot melting, and one end of the coil leading-out pin (43) is connected with the coil (6).

4. A high-sealability in-line magnetic latching relay according to claim 3, wherein: the shell (1) is further provided with a positioning point (16) and a positioning groove (17), the positioning point (16) and the positioning groove (17) are provided with a positioning plate (18), and the positioning plate (18) is provided with a positioning hole (19) matched with the positioning point (16) and a positioning block (20) matched with the positioning groove (17); the top surface of magnet steel combination (10) is equipped with limiting point (21), be equipped with on locating plate (18) with limiting point (21) looks adaptation spacing hole (22), locating plate (18) are connected with magnet steel combination (10) through the cooperation of limiting hole (22) and limiting point (21).

5. The high-sealability in-line magnetic latching relay according to claim 1, wherein: the lining spring (8) is divided into an outer lining spring (23) and a middle lining spring (24), and a movable contact (25) is arranged on the outer lining spring (23); a static contact (26) is arranged on the static reed (9), and the movable contact (25) corresponds to the static contact (26); a connecting rod (27) is arranged on the magnetic steel combination (10), a pushing sheet (28) is arranged on the connecting rod (27), and the other end of the pushing sheet (28) is fixedly connected with an outer lining spring (23); and a movable spring leading-out pin (29) is arranged on the movable spring plate (7), and a static spring leading-out pin (30) is arranged on the static spring plate (9).

6. The high-sealability in-line magnetic latching relay according to claim 5, wherein: the movable spring lead-out pin (29) and the static spring lead-out pin (30) both penetrate through the shell (1) and are fixedly connected with the shell (1) through an adhesive; the movable spring is drawn forth foot (29) and quiet spring and is drawn forth and go up through welded connection have copper strand wires (31) on foot (30), install glass fiber sleeve pipe (32) on copper strand wires (31), be connected with flat connection piece (33) on copper strand wires (31) the other end, pyrocondensation pipe (34) are installed to flat connection piece (33) and copper strand wires (31) junction.

7. The high-sealability in-line magnetic latching relay according to claim 1, wherein: a groove (35) and a plurality of guide grooves (36) are arranged on the shell (1); the bottom plate (2) is provided with a boss (37) matched with the groove (35), and the bottom plate (2) is also provided with a plurality of clamping blocks (38) matched with the guide groove (36); the guide groove (36) is provided with a fixing protrusion (39), and the clamping block (38) is provided with a clamping groove (40) matched with the fixing protrusion (39); the shell (1) is also provided with a plurality of threaded holes (41), and the bottom plate (2) is also provided with threaded holes (41) corresponding in position.

8. The high-sealability in-line magnetic latching relay according to claim 7, wherein: a sealing gasket (42) is further arranged in the groove (35).