CN218730666U - Anti-falling relay with framework - Google Patents

Abstract

The utility model discloses an anti-falling relay with a framework, which comprises a shell, a movable contact component, a framework, 2 coil pins, an enameled coil, an iron core and a stationary contact, wherein the shell is internally provided with an installation cavity; the movable contact component is provided with a movable contact and an armature; the enameled coil, the iron core and the static contact are arranged on the framework, and the movable contact is arranged above the static contact; the armature is arranged above the iron core; the movable contact assembly, the framework, the enameled coil, the iron core and the fixed contact are arranged in the installation cavity. The utility model discloses above structure realizes integrating the installation, takes place relative separation or skew between the inside spare part when avoiding the relay to fall, does benefit to lifting means's barrier propterty.

Description

Anti-falling relay with framework

Technical Field

The utility model relates to a relay technical field, concretely relates to prevent falling relay with skeleton, a relay with skeleton promptly also indicates a relay.

Background

The relay is an automatic switch element with an isolation function, is widely applied to remote control, remote measurement, communication, automatic control, electromechanical integration and power electronic equipment, and is one of the most important control elements. Relays generally have a sensing mechanism (input portion) that can reflect certain input variables (e.g., current, voltage, power, impedance, frequency, temperature, pressure, speed, light, etc.); an actuating mechanism (output part) which can realize the on and off control of the controlled circuit; between the input part and the output part of the relay, there is also an intermediate mechanism (driving part) for coupling and isolating the input quantity, processing the function and driving the output part.

The clapper relay 100 in the prior art is mainly applied to high-power equipment such as a water heater, an electric oven, a refrigerator and the like, the clapper relay 100 comprises a movable spring 101, the movable spring 101 is generally bent to form an approximate L shape, one side of the movable spring 101 is provided with a movable contact 103, the other side of the movable spring is fixedly connected with a yoke 102, and an armature 104 is arranged at the bottom surface of the movable spring. When the coil 105 of the relay is operated, the armature 104 is attracted to the iron core 106 coaxially engaged with the coil 105 and brings the movable contact 103 of the movable spring 101 into contact with the stationary contact 107 of the stationary spring. The relay adopting the structure can generate relative looseness of parts such as the movable spring, the static spring and the like after long-time use, so that the use fault of the relay is caused, particularly, the vibration generated when the relay falls can also cause the separation or the deviation between the internal parts, or the parts and the shell of the relay are separated, and the falling prevention performance is not strong. The yoke cannot effectively fix the movable spring. Moreover, the movable spring 101 and the yoke 102 are connected by riveting process, and are easily separated from the offset position by vibration.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to disclose a prevent falling relay with skeleton, solved that current relay falls after the inside spare part is easy not hard up, squint, install firm problem inadequately.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-falling relay with a framework comprises a shell, a movable contact assembly, the framework, 2 coil pins, an enameled coil, an iron core and a fixed contact, wherein an installation cavity is formed inside the shell; the movable contact component is provided with a movable contact and an armature; the enameled coil, the iron core and the static contact are arranged on the framework, and the movable contact is arranged above the static contact; the armature is arranged above the iron core; the movable contact assembly, the framework, the enameled coil, the iron core and the fixed contact are arranged in the installation cavity.

Further, the movable contact assembly comprises a yoke iron connected with the shell and a movable spring piece connected with the yoke iron, and the movable contact and the armature are arranged on the bottom surface of the movable spring piece; the movable spring and the armature are connected by matching a movable spring hole with an armature convex bud, and the armature convex bud penetrates through the movable spring hole; the movable spring is riveted with the yoke, and the movable spring is connected with the yoke in a spot welding mode.

Further, the yoke comprises a yoke horizontal part connected with the shell and a yoke vertical part connected with the yoke horizontal part, and the yoke horizontal part is provided with a yoke through hole; the iron core penetrates through the framework and the yoke through hole;

the movable spring plate comprises a straight plate connecting part and a bent connecting part connected with the vertical part of the yoke iron, and the straight plate connecting part is connected with the bent connecting part; the movable contact is arranged at the outer end of the bottom surface of the straight plate connecting part, and the inner end of the bottom surface of the straight plate connecting part is connected with the armature.

Further, the horizontal part of the yoke is provided with a first leading-out end, and the vertical part of the yoke is provided with a second leading-out end; the first terminal and the second terminal pass through the housing.

Further, the framework comprises a first framework plate, a coil mounting column arranged on the first framework plate, and a second framework plate arranged on the coil mounting column; the first framework plate is arranged on the yoke horizontal part; the coil mounting post is provided with an iron core mounting hole arranged along the central axis of the coil mounting post, the enameled wire is sleeved on the outer wall of the coil mounting post, the iron core is sleeved in the iron core mounting hole, the lower end of the iron core penetrates through the first framework plate and the yoke through hole, the upper end of the iron core penetrates through the second framework plate, and the upper end of the iron core is located below the armature.

Further, the iron core, the coil mounting post and the enameled coil are coaxially matched.

Further, the first framework plate is provided with a framework positioning column and a framework positioning groove, and the edge of the horizontal part of the yoke is provided with a yoke positioning groove which is matched and connected with the framework positioning column; the framework positioning column is of a cylindrical structure, and the cross section of the yoke positioning groove is of a semicircular structure.

Furthermore, the first framework plate is provided with a framework positioning groove, and the framework positioning groove is connected with the first leading-out end of the yoke horizontal part in a matching manner.

Furthermore, a limiting bracket is arranged at the outer end of the second framework plate, the outer end of the straight plate connecting part extends into the limiting bracket, and the movable contact is positioned in the limiting bracket; the bottom of the limiting bracket is provided with a static contact mounting groove; and the static contact is connected with the static contact mounting groove through a static reed.

Furthermore, the top of spacing support is equipped with spacer mounting groove and spacer, and spacer mounting groove joint are fixed, and the spacer is located the movable contact with the top of straight plate connecting portion realizes spacing the movable contact.

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

1. the utility model discloses a structure of skeleton realizes integrating the installation with movable contact subassembly, stationary contact, enameled coil, iron core, takes place relative separation or skew between the inside spare part when avoiding the relay to fall, does benefit to lifting means's barrier propterty.

2. The casing adopts epoxy glue to connect, is favorable to lifting means's whole leakproofness, can avoid during equipment uses or external water, dust get into the installation cavity when depositing, causes the damage to equipment, and this stability in use that is favorable to lifting means.

3. The movable spring and the armature are matched through a movable spring hole and an armature convex bud to realize riveting fixation, the movable spring is riveted with the yoke, meanwhile, the movable spring and the yoke are fixedly connected through a spot welding process, the stability of fixedly connecting the movable spring and the yoke is enhanced, double fixedly connecting is realized, and meanwhile, the overcurrent capacity of a product is improved.

4. The yoke adopts a structure of two leading-out ends, has a shunting effect, and can also transmit two signals simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is a schematic diagram of a prior art relay;

fig. 2 is a schematic perspective view of an embodiment of a crash-proof relay with a frame according to the present invention;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a perspective view of FIG. 2 with the housing omitted;

FIG. 5 is a schematic front view of FIG. 4;

FIG. 6 is a top schematic view of FIG. 5;

FIG. 7 isbase:Sub>A schematic sectional view taken along the line A-A in FIG. 6;

FIG. 8 is a perspective view of the armature of FIG. 4;

FIG. 9 is a bottom view along line P of FIG. 8;

in fig. 1, 100, a clapper relay; 101. a movable spring plate; 102. a yoke; 103. a movable contact; 104. an armature; 105. a coil; 106. an iron core; a stationary contact 107;

in fig. 2 to 9, 200, a relay provided with an anti-falling structure;

1. a housing; 11. a mounting cavity; 12. a housing; 121. a front plate; 122. a side plate; 13. a back plate;

2. a movable contact assembly; 21. a movable contact; 22. an armature; 23. a yoke; 231. a yoke horizontal portion; 232. a yoke vertical portion; 233. a yoke through hole; 234. a first lead-out terminal; 235. a second leading-out terminal; 236. a yoke positioning slot; 24. a movable reed; 241. a straight plate connecting part; 242. bending the connecting part; 25. a movable spring hole; 26. the armature is convex;

3. a framework; 31. a first skeleton plate; 32. a coil mounting post; 33. a second skeleton plate; 34. an iron core mounting hole; 35. a framework positioning column; 36. a framework positioning groove; 37. a limiting bracket; 38. a stationary contact mounting groove; 39. a positioning sheet mounting groove;

4. a coil leg; 5. an enameled coil; 6. an iron core; 61. the lower end of the iron core; 62. the upper end of the iron core; 7. a stationary contact; 8. a stationary reed; 81. a static reed leading-out end; 9. positioning plates; 91. positioning the straight plate; 92. an arched sheet.

Detailed Description

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced device or element must be in a particular orientation, constructed and operated, and therefore should not be construed as limiting the present invention.

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.

As shown in the embodiment of fig. 2 to 9, an anti-falling relay 200 with a skeleton (i.e. a relay with a skeleton, also referred to as a relay) includes a housing 1 forming an installation cavity 11 inside, a movable contact assembly 2, a skeleton 3 connecting the movable contact assembly 2, 2 coil pins 4 arranged in parallel, an enameled coil 5 connecting the coil pins 4, an iron core 6 sleeved in the enameled coil 5, and a stationary contact 7. The movable contact assembly 2 is provided with a movable contact 21 and an armature 22. The enameled coil 5, the iron core 6 and the static contact 7 are arranged on the framework 3. In the initial state, the movable contact 21 is disposed above the stationary contact 7. The armature 22 is provided above the iron core 6. The movable contact assembly 2, the framework 3, the enameled coil 5, the iron core 6 and the fixed contact 7 are arranged in the installation cavity 11. The particular connection structure of the movable spring 24, yoke 23 and armature 22 in the movable contact assembly 2 is otherwise patented. This embodiment adopts skeleton 3's structure, integrates the installation with movable contact subassembly 2, stationary contact 7, enameled coil 5, 6 realization of iron core, takes place relative separation or skew between the inside spare part when avoiding the relay to fall, does benefit to lifting means's barrier propterty.

The shell 1 comprises a shell 12 and a back plate 13, wherein the shell 12 is connected with the back plate 13 through epoxy resin glue, and the shell 12 and the back plate 13 are matched to form a mounting cavity. The housing 12 comprises a front plate 121, side plates 122 arranged around the edges of the front plate 121, the front plate 121 being connected to the back plate 13 by the side plates 122. The coil limbs 4 project through the back plate 13 to the outside. Casing 1 adopts epoxy glue to connect, is favorable to lifting means's whole leakproofness, can avoid during equipment uses or external water, dust get into the installation cavity when depositing, causes the damage to equipment, and this is favorable to lifting means's stability in use.

The movable contact assembly 2 includes a yoke 23 connected to the housing 1, a movable spring 24 connected to the yoke 23, and the movable contact 21 and the armature 22 are provided on the bottom surface of the movable spring 24. The movable spring 24 and the armature 22 are riveted and fixed through the cooperation of a movable spring hole 25 and an armature convex bract 26, and the armature convex bract 26 penetrates through the movable spring hole 25. The movable spring 24 is riveted with the yoke 23, and meanwhile, the movable spring 24 is further fixedly connected with the yoke 23 through a spot welding process, so that the stability of fixedly connecting the movable spring 24 and the armature 22 is enhanced, the double fixedly connecting is realized, and meanwhile, the overcurrent capacity of a product is improved. Spot welding is a welding method in which a columnar electrode is used to form a welding spot between the contact surfaces of two overlapping workpieces during welding. During spot welding, the workpiece is pressed to be in close contact with the workpiece, then current is switched on, the contact position of the workpiece is melted under the action of resistance heat, and a welding spot is formed after cooling.

In this embodiment, the yoke 23 is an integral structure of an L-shaped structure. The yoke 23 includes a yoke horizontal portion 231 and a yoke vertical portion 232 that connect the housing 12, the yoke horizontal portion 231 and the yoke vertical portion 232 being perpendicular to each other. The yoke horizontal portion 231 is connected to the housing 1 and is provided with a yoke through hole 233. The yoke horizontal portion 231 is provided with a first lead-out 234, and the yoke vertical portion 232 is provided with a second lead-out 235. The first and second terminals 234, 235 extend through the back plate 13 and out of the housing 12. In this embodiment, a structure of two leading-out terminals (i.e., a first leading-out terminal and a second leading-out terminal) is adopted, so that a shunting effect is achieved, and two signals can be transmitted simultaneously.

In this embodiment, the movable spring 24 includes a straight connecting portion 241 and a bent connecting portion 242 connected to the yoke vertical portion 232, and the straight connecting portion 241 is connected to the bent connecting portion 242. The outer end of the bottom surface of the straight plate connecting part 241 is provided with a movable contact 21, and the inner end of the bottom surface of the straight plate connecting part 241 is connected with an armature 22.

In this embodiment, the bobbin 3 is an integral structure, and includes a first bobbin plate 31, a coil mounting post 32 provided on the first bobbin plate 31, and a second bobbin plate 33 provided on the coil mounting post 32. The first skeleton plate 31 is provided on the yoke horizontal portion 231. The coil mounting post 32 is a hollow cylindrical structure, the coil mounting post 32 is provided with an iron core mounting hole 34 arranged along the central axis L1 thereof, the enameled coil 5 is sleeved on the outer wall of the coil mounting post 32, the iron core 6 is sleeved in the iron core mounting hole 34, the lower end 61 of the iron core 6 passes through the first framework plate 31 and the yoke through hole 233, the upper end 62 of the iron core 6 passes through the second framework plate 33, and the upper end 62 of the iron core is located below the armature 22. The iron core 6, the coil mounting post 32 and the enameled coil 5 are coaxially matched.

The first framework plate 31 is provided with a framework positioning column 35 and a framework positioning groove 36, the edge of the yoke horizontal part 231 is provided with a yoke positioning groove 236 matched with the framework positioning column 35, and the framework 3 and the yoke 23 are positioned through the framework positioning column 35 and the yoke positioning groove 236. The frame positioning posts 35 are cylindrical structures, and the cross section of the yoke positioning groove 236 is a semicircular structure. The bobbin positioning slot 36 and the first lead-out end 234 cooperate to position.

The outer end of the second framework plate 33 is provided with a limiting bracket 37, the outer end of the straight plate connecting part 241 extends into the limiting bracket 37, and the movable contact 21 is positioned in the limiting bracket 37. The bottom of the limit bracket 37 is provided with a stationary contact mounting groove 38. Stationary contact 7 is engaged with stationary contact mounting groove 38 by stationary reed 8.

The top of the limiting support 37 is provided with a positioning sheet mounting groove 39 and a positioning sheet 9, the positioning sheet 9 and the positioning sheet mounting groove 39 are clamped and fixed, and the positioning sheet 9 is arranged above the moving contact 21 and the straight plate connecting part 241 to limit the moving contact 21. The positioning plate 9 comprises a positioning straight plate 91 clamped with the positioning plate mounting groove 39 and an arched plate 92 arranged on the bottom surface of the positioning straight plate 91, and the arched plate 92 is abutted against the top surfaces of the movable contact 21 and the straight plate connecting part 241.

In this embodiment, the start end of the enameled wire of the enameled coil 5 is wound on one coil pin 4, the end of the enameled wire is wound on the other coil pin 4, and then the coil pin 4 and the enameled wire of the enameled coil are fixed by soldering tin.

As a further explanation of the present embodiment, the working principle thereof will now be explained: after the power is switched on, the enameled coil 5 is converted into a magnetic field by electric energy, the iron core 6 is magnetized, when the power supply voltage of the coil pin 4 reaches a first preset voltage X1, the armature 22 is attracted and contacted by the magnetic field gathered by the iron core 6, the angle of the movable spring piece 24 is changed along with the change of the position of the armature 22, the movable contact 21 is closed with the fixed contact 7 through the change of the position of the movable spring piece 24, and therefore the first leading-out end 234 and the second leading-out end 235 of the yoke 23 are respectively in a conducting state with the fixed spring piece leading-out end 81 of the fixed spring piece 8; when the power supply voltage of the coil pin 4 is electrified and reduced to the second preset voltage X2, the iron core 6 will release the armature 22 due to insufficient magnetic field concentration, so that the iron core returns to the initial state.

Other structures of this embodiment are seen in the prior art.

As a further explanation of the present invention, the technical features in the embodiments and the embodiments of the present invention can be combined with each other without conflict. The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are also intended to be included within the scope of the claims and the equivalent technical scope of the present invention if they do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a prevent falling relay with skeleton which characterized in that: the device comprises a shell (1) with an installation cavity (11) formed inside, a movable contact component (2), a framework (3) connected with the movable contact component, 2 coil pins (4) arranged in parallel, an enameled coil (5) connected with the coil pins, an iron core (6) sleeved in the enameled coil and a fixed contact (7); the movable contact component is provided with a movable contact (21) and an armature (22); the enameled coil, the iron core and the static contact are arranged on the framework, and the movable contact is arranged above the static contact; the armature is arranged above the iron core; the movable contact assembly, the framework, the enameled coil, the iron core and the fixed contact are arranged in the installation cavity.

2. The crash-proof relay provided with a skeleton according to claim 1, wherein: the movable contact assembly (2) comprises a yoke iron (23) connected with the shell (1) and a movable spring piece (24) connected with the yoke iron, and the movable contact (21) and the armature iron (22) are arranged on the bottom surface of the movable spring piece; the movable spring and the armature are matched with each other through a movable spring hole (25) and an armature convex bract (26) to realize connection, and the armature convex bract penetrates through the movable spring hole; the movable spring leaf is riveted with the yoke, and the movable spring leaf is connected with the yoke in a spot welding mode.

3. The crash-proof relay provided with a frame according to claim 2, wherein: the yoke (23) comprises a yoke horizontal part (231) connected with the shell (1) and a yoke vertical part (232) connected with the yoke horizontal part, and the yoke horizontal part is provided with a yoke through hole (233); the iron core penetrates through the framework (3) and the yoke iron through hole;

the movable spring plate (24) comprises a straight plate connecting part (241) and a bent connecting part (242) connected with the vertical part of the yoke, and the straight plate connecting part is connected with the bent connecting part; the movable contact (21) is arranged at the outer end of the bottom surface of the straight plate connecting part, and the armature (22) is connected with the inner end of the bottom surface of the straight plate connecting part.

4. The crash-proof relay provided with a frame according to claim 3, characterized in that: the horizontal part (231) of the yoke is provided with a first leading-out end (234), and the vertical part (232) of the yoke is provided with a second leading-out end (235); the first and second terminals pass through the housing (1).

5. The crash-proof relay provided with a skeleton according to claim 3, wherein: the framework (3) comprises a first framework plate (31), a coil mounting column (32) arranged on the first framework plate, and a second framework plate (33) arranged on the coil mounting column; the first framework plate is arranged on the yoke iron horizontal part (231); the coil erection column is equipped with iron core mounting hole (34) that set up along its central axis, on the outer wall of coil erection column was located in enameled coil (5) cover, in iron core mounting hole was located in iron core (6) cover, first skeleton board and yoke through-hole were passed in iron core lower extreme (61) of iron core, and second skeleton board is passed in iron core upper end (62) of iron core, and the iron core upper end is located the below position of armature (22).

6. The crash-proof relay provided with a skeleton according to claim 5, wherein: the iron core (6), coil erection column (32) with enameled coil (5) coaxial cooperation.

7. The crash-proof relay provided with a skeleton according to claim 5, wherein: the first framework plate (31) is provided with a framework positioning column (35) and a framework positioning groove (36), and the edge of the yoke horizontal part (231) is provided with a yoke positioning groove (236) which is matched and connected with the framework positioning column; the framework positioning column is of a cylindrical structure, and the cross section of the yoke positioning groove is of a semicircular structure.

8. The crash-proof relay provided with the bobbin as claimed in any one of claims 5 to 7, wherein: the first framework plate (31) is provided with a framework positioning groove (36), and the framework positioning groove is connected with a first leading-out end (234) of the yoke horizontal part (231) in a matched mode.

9. The crash-proof relay provided with a frame according to any one of claims 5 to 7, wherein: a limiting support (37) is arranged at the outer end of the second framework plate (33), the outer end of the straight plate connecting part (241) extends into the limiting support, and meanwhile, the movable contact (21) is positioned in the limiting support; the bottom of the limiting bracket is provided with a static contact mounting groove (38); and the static contact (7) is connected with the static contact mounting groove through a static reed (8).

10. The crash-proof relay provided with a frame according to claim 9, characterized in that: the top of the limiting support (37) is provided with a positioning sheet mounting groove (39) and a positioning sheet (9), the positioning sheet and the positioning sheet mounting groove are clamped and fixed, and the positioning sheet is arranged above the moving contact (21) and the straight plate connecting portion (241) to limit the moving contact.

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