CN219591325U - Manual test switch structure of electromagnetic relay - Google Patents
Manual test switch structure of electromagnetic relay Download PDFInfo
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- CN219591325U CN219591325U CN202223484047.9U CN202223484047U CN219591325U CN 219591325 U CN219591325 U CN 219591325U CN 202223484047 U CN202223484047 U CN 202223484047U CN 219591325 U CN219591325 U CN 219591325U
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- electromagnetic relay
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Abstract
The utility model discloses a manual test switch structure of an electromagnetic relay, which relates to the technical field of relays and comprises the following components: the shell of the electromagnetic relay and the bidirectional push piece switch are used for driving the rotating top shaft of the electromagnetic relay to move along the movable reed of the electromagnetic relay; an opening groove is formed in one side of the shell, a two-way push-piece switch is arranged on the opening groove, a slideway is arranged in the mounting block, and a push-piece which is in sliding fit with the slideway slides on the slideway and drives the rotary top shaft to rotate; the rotary top shaft is provided with a pushing part for driving the movable reed of the push electromagnetic relay to move; the lower end of the pushing part is provided with a matching groove which is matched with the limiting part of the limiting pressure spring; the bidirectional push-plate switch is provided with a self-locking structure. When in use: the direct-push switch is used for replacing the bidirectional push switch, so that the state is more visual, misoperation is not easy to occur, and a single finger can be used for operation.
Description
Technical Field
The utility model relates to the technical field of relays, in particular to a manual test switch structure of an electromagnetic relay.
Background
V6T relay wide use is in intelligent household electrical appliances field, and in the relay in the practical application in-process, once the applied equipment breaks down, except carrying out fault detection to equipment, also need to carry out anomaly detection to the relay. The relay is subjected to an anomaly test under a non-electrified condition. For this purpose, a test switch is additionally installed on the relay case, and the switch is used to drive the moving spring of the electromagnetic relay and to detect whether the contacts can normally contact. And judging whether the relay has abnormal functions, namely, the relay fails.
The test switch is realized by adopting a bidirectional push-plate switch. The state of the bidirectional push-plate switch is not visual enough, and a tester is easy to operate by mistake. By adopting a bidirectional push-plate switch mode, a tester can rotate the bidirectional push-plate switch by adopting two fingers, and the operation of the tester is inconvenient in a narrow space.
Disclosure of Invention
In order to solve the existing problems, a manual test switch structure of an electromagnetic relay is provided.
The specific technical scheme is as follows:
a manual test switch structure of an electromagnetic relay includes: a shell of the electromagnetic relay and a bidirectional push piece switch for driving a rotary top shaft of the electromagnetic relay to move along a movable reed of the electromagnetic relay;
an opening groove is formed in one side of the shell, the bidirectional push-piece switch is arranged on the opening groove, the bidirectional push-piece switch comprises a mounting block arranged on the outer side of the opening groove, a slideway and a push-piece which is in sliding fit with the slideway are arranged in the mounting block, and the push-piece slides on the slideway and drives the rotary top shaft to rotate;
the rotary top shaft includes: the connecting part is connected with the push piece, the rotating shaft part is arranged on the limit groove in the shell, and the pushing part is used for driving the movable reed of the push electromagnetic relay to move;
the lower end of the pushing part is provided with a matching groove which is matched with the limiting part of the limiting pressure spring;
the bidirectional push-plate switch is provided with a self-locking structure so as to limit the rotation angle of the rotary top shaft.
The manual test switch structure of the electromagnetic relay comprises a self-locking structure and a plurality of limiting grooves, wherein the self-locking structure comprises a limiting lug on one side of a push piece and a plurality of limiting grooves are formed in the inner wall of the slideway, and the limiting grooves are in buckling connection with the limiting lug.
The manual test switch structure of the electromagnetic relay comprises a limiting lug and a push piece, wherein the limiting lug is a telescopic piece, and the limiting lug stretches along the direction perpendicular to the movement direction of the push piece.
The push plate is characterized in that a pressing part is arranged on one side of the push plate, a groove is formed in the pressing part, limiting protruding blocks are arranged on two sides of the pressing part, and the pressing part controls the limiting protruding blocks to move along the vertical direction.
The manual test switch structure of the electromagnetic relay comprises a connecting block arranged at the bottom of the push piece, and a containing cavity is formed between the connecting block and the bottom of the push piece, wherein the connecting part is fixedly arranged in the containing cavity.
According to the manual test switch structure of the electromagnetic relay, the matching groove is arranged in a right-to-right position with the limiting part of the limiting pressure spring, and the bidirectional push-piece switch is in a self-locking state; the limiting part of the limiting pressure spring is separated from the matching groove, and the bidirectional push-plate switch is in an unlocking state.
The manual test switch structure of the electromagnetic relay comprises a shell, wherein the shell comprises a base and a shell, the base is detachably connected with the shell, the installation part comprises two installation blocks, the two installation blocks are respectively installed on the base and the shell, and a slide way is formed between the two installation blocks.
According to the manual test switch structure of the electromagnetic relay, the sliding prevention part is arranged on the push piece.
The manual test switch structure of the electromagnetic relay comprises a limiting part and a connecting part, wherein the connecting part is fixed in the shell, and the limiting part is a convex spring arc piece.
The utility model provides an electromagnetic relay, includes magnetic circuit subassembly and contact subassembly, through rotatory top axle movable reed of manual test switch structure, includes electromagnetic relay's manual test switch structure, magnetic circuit subassembly, contact subassembly are located the shell, manual test switch structure stretches into the rotatory top axle in the shell and movable reed movable fit, makes movable reed and contact subassembly's movable connection.
The technical advantages are:
(1) The direct-push switch is used for replacing the bidirectional push switch, so that the state is more visual, misoperation is not easy to occur, and a single finger can be used for operation.
(2) The design is integrated with the whole relay, an independent deflector rod is not needed, and the operation space can be effectively reduced.
(3) The arrangement of the self-locking structure enables the manual switch to realize the self-locking function, thereby ensuring that the detection process is safer.
(4) The manual switch can realize bidirectional installation, and can meet the purpose of testing the on-off of the relay.
Drawings
Fig. 1 is a schematic diagram of the internal structure of a manual test switch structure of an electromagnetic relay of the present utility model;
fig. 2 is an exploded view of the electromagnetic relay of the present utility model;
FIG. 3 is a schematic diagram of a push plate according to the present utility model;
fig. 4 is a schematic structural view of a manual test switch structure of the electromagnetic relay of the present utility model;
FIG. 5 is a cross-sectional view of a manual test switch structure of the electromagnetic relay of the present utility model;
fig. 6 is a diagram showing the cooperation of the rotary top shaft and the movable reed of the electromagnetic relay of the present utility model;
fig. 7 is a schematic structural view of a contact assembly of an electromagnetic relay of the present utility model.
In the accompanying drawings: 1. a housing; 2. a two-way push switch; 3. rotating the top shaft; 4. a movable reed; 5. a mounting block; 6. a slideway; 7. a connection part; 8. a rotating shaft portion; 9. a pushing part; 10. a mating groove; 11. limiting pressure springs; 12. a limit part; 13. a self-locking structure; 14. a limit bump; 15. a limit groove; 16. a pressing part; 17. pushing the sheet; 18. a connecting block; 19. an anti-slip part; 20. a contact assembly; 21. a magnetic circuit assembly.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
As shown in connection with fig. 1-7, a manual test switch structure for an electromagnetic relay,
a shell 1 of the electromagnetic relay, a bidirectional push piece 17 switch 2 for driving a rotary top shaft 3 of the electromagnetic relay to move along a driving reed 4 of the electromagnetic relay;
an open slot is formed in one side of the shell 1, a bidirectional push piece 17 switch 2 is arranged on the open slot, the bidirectional push piece 17 switch 2 comprises a mounting block 5 arranged on the outer side of the open slot, a slideway 6 and a push piece 17 in sliding fit with the slideway 6 are arranged in the mounting block 5, and the push piece 17 slides in the slideway 6 and drives the rotary top shaft 3 to rotate;
the rotary top shaft 3 includes: the connecting part 7 is connected with the push piece 17, the rotating shaft part 8 is arranged on the limit groove 15 in the shell 1, and the pushing part 9 is used for driving the movable reed 4 of the push electromagnetic relay to move;
the lower end of the pushing part 9 is provided with a matching groove 10, and the matching groove 10 is matched with a limiting part 12 of a limiting pressure spring 11;
the switch 2 of the bidirectional push plate 17 is provided with a self-locking structure 13 to limit the maximum rotation angle of the rotary top shaft 3.
Further, as a preferred embodiment, the self-locking structure 13 includes a limit bump 14 on one side of the push plate 17, and a plurality of limit grooves 15 disposed along the inner wall of the slide 6, where the limit grooves 15 are in snap connection with the limit bump 14.
Further, as a preferred embodiment, the limiting bump 14 is a telescopic member, and the limiting bump 14 stretches and contracts along a direction perpendicular to the moving direction of the pushing piece 17.
Further, as a preferred embodiment, the bottom of the pushing piece 17 is provided with a connecting block 18, a containing cavity is formed between the connecting block 18 and the bottom of the pushing piece 17, and the connecting part 7 is fixedly installed in the containing cavity.
Further, as a preferred embodiment, the matching groove 10 and the limiting part 12 of the limiting pressure spring 11 are arranged in a right-to-right position, and the switch 2 of the bidirectional push plate 17 is in a self-locking state; the limiting part 12 of the limiting pressure spring 11 is separated from the matching groove 10, and the switch 2 of the bidirectional push piece 17 is in an unlocking state.
Further, as a preferred embodiment, the housing 1 includes a base and a casing, the base and the casing are detachably connected, the mounting portion includes two mounting blocks 5, the two mounting blocks 5 are respectively mounted on the base and the housing 1, and a slide 6 is formed between the two mounting blocks 5.
Further, as a preferred embodiment, the pushing piece 17 is provided with an anti-slip portion 19.
Further, as a preferred embodiment, the compression spring includes a limiting portion 12 and a connecting portion 7, the connecting portion 7 is fixed in the housing 1, and the limiting portion 12 is a protruding spring arc piece.
An electromagnetic relay comprises a magnetic circuit assembly 21 and a contact assembly 20, and further comprises a manual test switch structure of the electromagnetic relay, wherein the magnetic circuit assembly 21 and the contact assembly 20 are positioned in a shell 1, and the manual test switch structure stretches into the movable fit of the movable reed 4 and the rotary top shaft 3 in the shell 1, so that the movable reed 4 is movably connected with the contact assembly 20.
Embodiment one: the bidirectional push-piece 17 switch 2 and the shell 1 are also matched with a self-locking structure 13, so that the bidirectional push-piece 17 switch 2 is kept in a self-locking state or an unlocking state. Specifically, the matching groove 10 and the limiting part 12 of the limiting pressure spring 11 are arranged in a positive alignment manner, and the switch 2 of the bidirectional push plate 17 is in a self-locking state; the limiting part 12 of the limiting pressure spring 11 is separated from the matching groove 10, and the switch 2 of the bidirectional push piece 17 is in an unlocking state. The specific implementation mode is as follows: the push plate 17 of the bidirectional push plate 17 switch 2 slides on the slideway 6, when the limit projection 14 is in a limit groove 15, the push plate 17 drives the rotary top shaft 3 to rotate and is connected with the limit part 12 of the limit spring, and the push plate is in a self-locking state; the push plate 17 of the bidirectional push plate 17 switch 2 continues to slide on the slideway 6, when the limit projection 14 is in the next limit groove 15, the push plate 17 drives the rotary top shaft 3 to rotate to be separated from the limit part 12 of the limit spring, and the lock is unlocked.
After the limit bump 14 is subjected to the resistance of the inner wall of the limit groove 15, the limit bump 14 is contracted inwards in the direction perpendicular to the movement direction of the limit bump 17 until the limit bump 14 is contracted to be smaller than or equal to the inner diameter of the slideway 6, and the push tab 17 continues to move forwards until the next limit groove 15 is reached, which is to extend after the limit bump 14 loses resistance, so that the push tab 17 is fixed in the limit groove 15.
Wherein, an elastic device is arranged in the limit bump 14 for realizing the expansion and contraction after the limit bump 14 is stressed/loses pressure.
The rotary top shaft 3 is limited by the limiting pressure spring 11, so that the relay is prevented from being interfered to act during normal electrified working. The bidirectional push plate 17 realizes the self-locking function through the concave-convex design with the shell 1 and the base
In this embodiment, the portion of the bidirectional push-piece 17 switch 2 located outside the housing 1 is provided with a slide 6, and the slide 6 has a long strip structure, but is not limited thereto, so that a tester can conveniently push the bidirectional push-piece 17 switch 2 at a narrow position by using a tool.
In the embodiment, the magnetic circuit assembly 21 is horizontal and comprises a coil frame, an iron core, an L-shaped yoke iron, an armature iron and a pressure spring, wherein the coil frame is wound with an enameled wire, the iron core is connected in the coil frame in a penetrating way, one side of the yoke iron is riveted with one end of the iron core, and the tail end of the other side of the yoke iron is provided with a knife edge; the armature is arranged at the other end of the iron core in a vertical manner in a swinging manner through a pressure spring, the bottom end of the armature is matched with the knife edge of the yoke, and the top end of the armature is connected with one end of the rotating top shaft 3. The contact assembly 20 specifically comprises a movable reed 4 and a static reed which are provided with movable contacts, wherein the movable reed 4 is provided with a normally open static contact, the movable contact is arranged on the static reed, and the other end of the rotary top shaft 3 is connected and matched with the movable reed 4. The coil frame, the movable reed 4 and the static reed are all arranged on a base arranged in the shell 1, and coil pins on the coil frame, movable reed pins of the movable reed 4, static reed pins of the normally open static reed and the normally closed static reed downwards penetrate through the base.
When the relay is subjected to abnormal test, the bidirectional push piece 17 switch 2 is pushed in the forward direction until the bidirectional push piece 17 switch 2 is limited by the limiting groove 15 and cannot be pushed continuously. In this process, as the bidirectional push plate 17 switch 2 pushes, the connecting piece of the bidirectional push plate 17 switch 2 drives the rotary top shaft 3 to rotate, and as the bidirectional push plate 17 switch 2 continues pushing, the pushing part 9 of the rotary top shaft 3 is pushed to move axially to the right, so that the rotary top shaft 3 drives the movable reed 4 to move. Then, detecting the resistance between the movable spring pin and the static spring pin of the normally open static spring by using a universal meter and other tools, and if the resistance is close to zero, indicating that the movable contact of the movable spring 4 and the normally open static contact of the normally open static spring can normally contact, thereby indicating that the relay is normal in function; if the resistance is infinite, the movable contact of the movable reed 4 is disconnected with the normally open static contact of the normally open static reed, and the relay is abnormal. After the detection is finished, the bidirectional push piece 17 switch 2 is pushed reversely, so that the rotary top shaft 3 is released, and the rotary top shaft 3 is reset by means of the elastic force of the movable reed 4.
The base and the shell 1 are additionally provided with clamping grooves of the bidirectional push piece 17, the action stroke of the bidirectional push piece 17 is fixed, and the rotary top shaft 3 pushes the movable reed 4 to realize the on-off of the contact by stirring the bidirectional push piece 17. When the bidirectional push piece 17 is at the initial position, the rotary jacking shaft 3 is limited by the limiting pressure spring 11, so that the relay is prevented from being interfered to act during normal electrified working. The bidirectional push piece 17 realizes a self-locking function through concave-convex design with the shell 1 and the base.
The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (9)
1. A manual test switch structure of an electromagnetic relay, comprising: a shell of the electromagnetic relay and a bidirectional push piece switch for driving a rotary top shaft of the electromagnetic relay to move along a movable reed of the electromagnetic relay;
an opening groove is formed in one side of the shell, the bidirectional push-piece switch is arranged on the opening groove, the bidirectional push-piece switch comprises a mounting block arranged on the outer side of the opening groove, a slideway and a push-piece which is in sliding fit with the slideway are arranged in the mounting block, and the push-piece slides on the slideway and drives the rotary top shaft to rotate;
the rotary top shaft includes: the connecting part is connected with the push piece, the rotating shaft part is arranged on the limit groove in the shell, and the pushing part is used for driving the movable reed of the push electromagnetic relay to move;
the lower end of the pushing part is provided with a matching groove which is matched with the limiting part of the limiting pressure spring;
the bidirectional push-plate switch is provided with a self-locking structure so as to limit the rotation angle of the rotary top shaft.
2. The manual test switch structure of an electromagnetic relay according to claim 1, wherein the self-locking structure comprises a push-piece side limit bump and a plurality of limit grooves arranged along the inner wall of the slideway, and the limit grooves are in snap connection with the limit bumps.
3. The manual test switch structure of an electromagnetic relay according to claim 2, wherein a pressing portion is provided on one side of the push piece, a groove is provided inside the pressing portion, the limiting projections are provided on both sides of the pressing portion, and the pressing portion controls the limiting projections to move in a vertical direction.
4. The manual test switch structure of an electromagnetic relay according to claim 1, wherein a connecting block is arranged at the bottom of the push piece, a containing cavity is formed between the connecting block and the bottom of the push piece, and the connecting part is fixedly arranged in the containing cavity.
5. The manual test switch structure of an electromagnetic relay according to claim 1, wherein the fitting groove is mounted in direct alignment with a limit portion of the limit compression spring, and the bidirectional push-piece switch is in a self-locking state; the limiting part of the limiting pressure spring is separated from the matching groove, and the bidirectional push-plate switch is in an unlocking state.
6. The manual test switch structure of an electromagnetic relay according to claim 1, wherein the housing comprises a base, a housing, and a mounting portion, the base and the housing being detachably connected, the mounting portion comprising two mounting blocks, the two mounting blocks being mounted on the base and the housing, respectively, the two mounting blocks forming the slide therebetween.
7. The manual test switch structure of an electromagnetic relay according to claim 1, wherein the push piece is provided with an anti-slip portion.
8. The manual test switch structure of an electromagnetic relay according to claim 1, wherein the pressure spring comprises a limit portion and a connection portion, the connection portion is fixed in the housing, and the limit portion is a protruding spring arc piece.
9. An electromagnetic relay, includes magnetic circuit subassembly and contact module, promotes card movable reed through manual test switch structure, its characterized in that: the manual test switch structure of the electromagnetic relay according to any one of claims 1-8, wherein the magnetic circuit assembly and the contact assembly are positioned in the shell, and a rotary top shaft of the manual test switch structure extending into the shell is movably matched with the movable reed, so that the movable reed is movably connected with the contact assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223484047.9U CN219591325U (en) | 2022-12-27 | 2022-12-27 | Manual test switch structure of electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223484047.9U CN219591325U (en) | 2022-12-27 | 2022-12-27 | Manual test switch structure of electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219591325U true CN219591325U (en) | 2023-08-25 |
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ID=87697368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223484047.9U Active CN219591325U (en) | 2022-12-27 | 2022-12-27 | Manual test switch structure of electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219591325U (en) |
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2022
- 2022-12-27 CN CN202223484047.9U patent/CN219591325U/en active Active
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