CN217641137U - Relay with grooved contact area - Google Patents

Abstract

The application relates to the technical field of relays, more specifically relates to a grooved relay in contact area, include: a stationary reed, the one end of stationary reed has a logical groove that is used for discharging the foreign matter, the other end of stationary reed has a second inserted sheet, lead to the groove with a stationary contact hole that is used for installing the stationary contact has between the second inserted sheet, the stationary reed has lead to the groove the one end with the stationary reed has the one end both of second inserted sheet are buckled to opposite direction, the utility model discloses can realize easily discharging the foreign matter through the structural configuration of effectively utilizing its self, the heat dissipation is better, be difficult for receiving the advantage that the foreign matter influences.

Description

Relay with grooved contact area

Technical Field

The application relates to the technical field of relays, in particular to a relay with a grooved contact area.

Background

The existing clapper type relay has the ablation phenomenon when a moving contact and a static contact are repeatedly disconnected and closed, the temperature of the contact area is higher, foreign matters (contact splashes) are easily generated to interfere the movement of a component, the contact is easily burnt out, and the service life of the relay is greatly shortened. Therefore, it is necessary to provide a relay which is easy to discharge foreign matters, has better heat dissipation performance, and is not easily affected by the foreign matters.

Therefore, there is a need for a relay that is capable of easily discharging foreign substances, dissipating heat better, and is less susceptible to foreign substances.

Disclosure of Invention

The main object of the present application is to provide a slotted relay in contact area, wherein, slotted relay in contact area can utilize its own structural configuration to realize convenient to use, the convenient advantage of dismouting effectively.

Another aim at of this application provides a grooved relay in contact area, wherein, grooved relay in contact area includes a quiet reed, quiet reed has a logical groove, three riveting hole, it is close to the contact area to lead to the groove, and the foreign matter of being convenient for discharges, and the heat dissipation of being convenient for, three the riveting hole is triangular distribution, makes quiet reed joint on the base more stably.

Another object of the present application is to provide a slotted relay in contact area, wherein, the slotted relay in contact area includes a base, the base has three U-shaped grooves, three the U-shaped groove is close to the contact area, for increase creepage distance, reduce the risk that the base is close to the contact area and is ablated.

Another aim at of this application provides a grooved relay in contact area, wherein, grooved relay in contact area includes that a movable spring draws forth the piece, the movable spring draws forth the piece and has an inserted sheet and a arch of bending, it can effectively avoid to bend the arch the inserted sheet rocks.

Another aim at of this application provides a grooved relay in contact area, wherein, grooved relay in contact area includes a yoke and an armature that is equipped with the edge of a knife, armature with the edge of a knife joint of yoke, yoke still has an at least breach, the breach is close to the edge of a knife of yoke makes the foreign matter be difficult for detaining in armature with the cooperation department of yoke reduces the foreign matter and interferes armature with the risk that yoke moved.

Another object of the present application is to provide a relay with a slot in a contact area, wherein the relay with a slot in a contact area has a simple structure, is convenient to operate, does not involve a complicated manufacturing process and expensive materials, has high economical efficiency, and is easy to popularize and use.

To achieve at least one of the above objects, the present application provides a relay with a slotted contact area, wherein the relay with a slotted contact area comprises:

a stationary reed, the one end of stationary reed has a logical groove that is used for discharging the foreign matter, the other end of stationary reed has a second inserted sheet, lead to the groove with a stationary contact hole that is used for installing the stationary contact has between the second inserted sheet, the stationary reed has lead to the groove the one end with the stationary reed has the one end both of second inserted sheet are buckled to opposite direction.

In one or more embodiments of this application, the grooved relay in contact area still includes a skeleton, an iron core, a base, a bottom plate and a magnetic circuit subassembly, the skeleton has a mounting hole, the iron core wears to establish the mounting hole, the base supports and leans on the bottom plate, the magnetic circuit subassembly includes a yoke and an armature, the one end of yoke is equipped with the edge of a knife, the yoke be equipped with the edge of a knife one end to a lateral buckling and with the base joint, the other end of yoke with the iron core riveting is connected, the one end of armature with the edge of a knife joint of yoke, the other end of armature has a rectangle through-hole, armature has the one end of rectangle through-hole is to a lateral buckling, the bottom plate has a first lead-out groove.

In one or more embodiments of the present application, the relay with the slot in the contact area further includes a contact assembly, the contact assembly includes a movable spring, a movable spring lead-out piece, a push rod and a pressure spring, one end of the movable spring has a movable contact hole for installing the movable contact, the movable contact hole is right opposite to the stationary contact hole, the other end of the movable spring is connected with the movable spring lead-out piece in a riveting manner, the movable spring lead-out piece is connected with the base in a clamping manner, one end of the push rod is connected with one end of the armature having the rectangular through hole in a clamping manner, the push rod is located between the yoke and the movable spring, one end of the pressure spring is connected with the yoke in a riveting manner, and the other end of the pressure spring penetrates through the rectangular through hole and abuts on the armature.

In one or more embodiments of this application, one side of base has three quiet spring bosss and three movable spring bosss, three quiet spring boss and three movable spring boss are close to respectively the both ends of base, three quiet spring boss and three movable spring boss all distribute with the triangle form, quiet reed has the one end that leads to the groove still has three third through-holes, three the third through-hole respectively with three quiet spring boss joint, movable spring draws forth the piece has three second through-holes, three the second through-hole respectively with three movable spring boss joint.

In one or more embodiments of the present application, the base further has a movable spring mounting groove, and the movable spring mounting groove is adjacent to the three movable spring bosses.

In one or more embodiments of the present application, the through slot is close to the stationary contact on the stationary reed.

In one or more embodiments of the present application, the base further has at least one U-shaped groove on an inner wall surface thereof near the stationary contact.

In one or more embodiments of the present application, one end of the movable spring leading-out piece having the second through hole has a first leading-out pin, and the other end of the movable spring leading-out piece has a first bending protrusion, and the first bending protrusion is disposed in the movable spring mounting groove.

In one or more embodiments of the present application, the yoke has two notches, and the two notches are adjacent to the knife edge of the yoke.

In one or more embodiments of the present application, the first leading-out pin has a first inserting end, a first transition end and a first positioning end, the first transition end is located between the first inserting end and the first positioning end and is respectively connected to the first inserting end and the first positioning end, the width of the first inserting end is smaller than that of the first leading-out slot, and the width of the first positioning end is larger than that of the first leading-out slot.

In the embodiment of the application, a through groove is formed in the area, close to the movable contact and the fixed contact, of the fixed spring, and the through groove is used for discharging foreign matters and reducing heat dissipation of the contact area; the inner side wall surface of the base, which is close to the movable contact and the static contact, is provided with a U-shaped groove, and the U-shaped groove is used for increasing the creepage distance and avoiding the base from being locally melted due to ablation; a notch is formed near the knife edge of the yoke, and foreign matters are not easy to stay at the matching position of the armature and the yoke by the notch, so that the phenomenon that the matching of the armature and the yoke generates movement interference due to the existence of the foreign matters is avoided; one end of the static reed is provided with three third through holes which are distributed in a triangular mode so as to ensure that the static reed is reliably clamped on the base.

Drawings

These and/or other aspects and advantages of the present application will become more apparent and more readily appreciated from the following detailed description of the embodiments of the present application, taken in conjunction with the accompanying drawings of which:

fig. 1 illustrates a structural schematic of a relay body.

Fig. 2 illustrates a structural schematic of the skeleton.

Fig. 3 illustrates a schematic view of the yoke.

Fig. 4 illustrates a structural schematic of the armature.

Figure 5 shows a schematic view of the assembly of the compression spring.

Fig. 6 illustrates a schematic structural view of the movable spring plate.

Fig. 7 illustrates a structural schematic of the push rod.

Fig. 8 illustrates a schematic view of the base at an angle.

Fig. 9 illustrates a schematic view of the structure of the base at another angle.

Fig. 10 illustrates a structural view of a movable spring tab.

Fig. 11 illustrates a view of a movable spring tab.

Fig. 12 illustrates a partial enlarged view of the movable spring lead-out piece.

Fig. 13 illustrates a schematic structural view of the stationary reed.

Fig. 14 illustrates a schematic view of the static reed at another angle.

Fig. 15 illustrates a view of a backplane.

Detailed Description

The terms and words used in the following specification and claims are not limited to the literal meanings, but are used only by the inventors to enable a clear and consistent understanding of the application. Thus, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present application are provided for illustration only and not for the purpose of limiting the application as defined by the appended claims and their equivalents.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

While ordinal numbers such as "first", "second", etc., will be used to describe various components, those components are not limited thereto. The term is used only to distinguish one component from another component. For example, a first component could be termed a second component, and, similarly, a second component could be termed a first component, without departing from the teachings of the present inventive concept. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terminology used herein is for the purpose of describing various embodiments only and is not intended to be limiting. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, numbers, steps, operations, components, elements, or combinations thereof, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, components, elements, or groups thereof.

Summary of the application

The existing clapper type relay has the ablation phenomenon when a moving contact and a static contact are repeatedly disconnected and closed, the temperature of the contact area is high, foreign matters (contact splashes) are easily generated to interfere the movement of an assembly, the contacts are easily burnt out, and the service life of the relay is greatly shortened. Therefore, it is necessary to provide a relay which is easy to discharge foreign matters, has better heat dissipation and is not easily affected by foreign matters.

Based on above-mentioned technical problem, this application provides a slotted relay in contact area, wherein, slotted relay in contact area simple structure does not relate to complicated manufacturing process and expensive material, has higher economic nature, and simultaneously, to the producer, slotted relay in contact area that this application provided is easily produced, and low cost, more is favorable to controlling manufacturing cost, further is favorable to product popularization and use.

An exemplary relay in which the contact areas are slotted,

referring to fig. 1 to 15, a relay with a slotted contact area according to a preferred embodiment of the present invention includes a frame 10, a magnetic circuit assembly 20, a base 40, and a bottom plate 50. The magnetic circuit assembly 20 includes a coil 201 and a core 202. As shown in fig. 15, the base plate 50 has a first lead-out groove 501 and a second lead-out groove 502, and the first lead-out groove 501 and the second lead-out groove 502 are spaced apart.

Further, as shown in fig. 2, the bobbin 10 has a bobbin 101, a first base 102 and a second base 103. The coil former 101 is located between the first base 102 and the second base 103, one end of the coil former 101 is connected to the first base 102, the other end of the coil former 101 is connected to the second base 103, and the coil former 101 is used for mounting the coil 201.

Specifically, a side wall of the first base 102 facing away from the coil former 101 has a first groove 102A, and one side of the first groove 102A communicates with the outside. The first base 102 further has a first mounting groove 102B, and the first mounting groove 102B is used for placing an external pin.

Specifically, a side wall of the second base 103 facing away from the coil former 101 has a second groove 103A, and one side of the second groove 103A is communicated with the outside. The second base 103 has a second mounting groove 103B, and the second mounting groove 103B is used for placing an external pin. The first groove 102A and the second groove 103A are disposed opposite to each other.

Specifically, the framework 10 further has a mounting hole 104, the mounting hole 104 penetrates through the first base 102 and the second base 103, and the mounting hole 104 is used for mounting the iron core 202.

Further, the magnetic circuit assembly 20 further includes an armature 203 and a yoke 204.

Specifically, as shown in fig. 3, one end of the yoke 204 is provided with a knife edge, one end of the yoke 204 provided with the knife edge is bent by 90 ° to a side close to the coil rack 101, so that the yoke 204 is L-shaped, and one end of the yoke 204 provided with the knife edge abuts against the side walls of the first base 102 and the second base 103, and is clamped with the base 40; the other end of the yoke 204 penetrates through the first groove 102A and is riveted with the iron core 202, two fixing bosses 2041 are further arranged at the end, provided with the knife edge, of the yoke 204, and the two fixing bosses 2041 are riveted with the pressure spring 305.

Specifically, as shown in fig. 4, one end of the armature 203 has two relatively disposed clip interfaces 203B, two the clip interface 203B and the knife edge clip of the yoke 204, it should be noted that, after the clip, the yoke 204 can be two the clip hole 203B is internal movable, and the armature 203 has two one end of the clip interface 203B is disposed in the second groove 103A, the other end of the armature 203 bends 90 ° to a side close to the coil rack 101, and is connected to the push rod 304, and the other end of the armature 203 has a rectangular through hole 203A. When the coil 201 is energized, one end of the armature 203, which is used for being clamped with the knife edge, is in contact with the iron core 202, and the other end of the armature 203 is lifted by a predetermined angle in a direction away from the coil rack 101 based on the principle of leverage.

It is worth mentioning that if foreign matter (such as contact splash) exists at the matching position of the armature 203 and the yoke 204, the foreign matter interferes with the movement of the armature 203, and the relay is unstable in operation and poor in reliability. To avoid this phenomenon, the yoke 204 further has two notches 2042, the two notches 2042 are close to the knife edge of the yoke 204, further, the two notches 2042 are located at the matching position of the yoke 204 and the clamping interface 203B, the two notches 2042 are coplanar with the two fixing bosses 2041, the two notches 2042 make the foreign matters not easy to be retained at the matching position of the armature 203 and the yoke 204, and the foreign matters can slide down along the two notches 2042.

Further, the relay with the slot in the contact area further comprises a contact assembly 30, wherein the contact assembly 30 comprises a movable spring piece 301, a movable spring lead-out piece 302, a static spring piece 303, a push rod 304 and a compression spring 305.

Specifically, as shown in fig. 5, one end of the pressure spring 305 has two first riveting holes 305A, the two first riveting holes 305A are respectively riveted to the two fixing bosses 2041, and the other end of the pressure spring 305 penetrates through the rectangular through hole 203A and abuts against the armature 203. The compression spring 305 is used to prevent the armature 203 from loosening or backing out.

Specifically, as shown in fig. 6, one end of the movable spring plate 301 has a movable contact hole 301A, the movable contact hole 301A is used for mounting a movable contact, the other end of the movable spring plate 301 has two second riveting holes 301B, and the two second riveting holes 301B are riveted and connected with the movable spring lead-out piece 302.

Specifically, as shown in fig. 7, a clamping groove 304A is formed in an end wall surface of the push rod 304, one end of the armature 203, which has a rectangular through hole 203A, is disposed in the clamping groove 304A, so that the armature 203 is clamped with the push rod 304, and the push rod 304 is located between the yoke 204 and the movable spring 301. Since the armature 203 is in contact with the movable spring 301 via the push rod 304, the armature 203 and the movable spring 301 are less prone to break down.

It is worth mentioning that when the coil 201 is powered, the movable spring piece 301 is pushed by the push rod 304, the movable spring piece 301 is warped by a predetermined angle, and the movable contact is in contact with the stationary contact. When the coil 201 loses power, the movable spring plate 301 restores the original shape, and the movable contact is disconnected from the fixed contact.

Further, as shown in fig. 8 and 9, the base 40 has at least one yoke mounting groove 401, three stationary spring bosses 402 and three moving spring bosses 403, the yoke mounting groove 401 is clamped with the yoke 204, the three stationary spring bosses 402 are respectively clamped with the stationary spring piece 303, and the three moving spring bosses 403 are respectively clamped with the moving spring leading-out piece 302. The base 40 further has a stationary spring mounting slot 404 and a movable spring mounting slot 405.

Specifically, as shown in fig. 10 and 11, the movable spring leading-out piece 302 has three second through holes 3021, and the three second through holes 3021 are respectively engaged with the three movable spring bosses 403; the movable spring leading-out piece 302 is further provided with a first leading-out pin 3022, the first leading-out pin 3022 is positioned at one end of the movable spring leading-out piece 302, and the first leading-out pin 3022 penetrates through the bottom plate 50; the other end of the movable spring leading-out piece 302 is provided with a first inserting piece 3023 and a first bending bulge 3024, and the first bending bulge 3024 is arranged in the movable spring mounting groove 405, so that the first inserting piece 3023 can be effectively prevented from shaking.

Specifically, the movable spring tab 302 further has two riveting bosses 3025, and the two riveting bosses 3025 are riveted with the two second riveting holes 301B.

Further, as shown in fig. 11 and 12, the first lead-out foot 3022 has a first insertion end 3022A, a first transition end 3022B and a first positioning end 3022C. The first transition end 3022B is located between the first insertion end 3022A and the first positioning end 3022C, and one side of the first transition end 3022B is connected to the first insertion end 3022A and the other side of the first transition end 3022B is connected to the first positioning end 3022C. The first insertion end 3022A has a width smaller than that of the first lead-out groove 501 so that the first insertion end 3022A can be inserted into the first lead-out groove 501 quite smoothly, and the first positioning end 3022C has a width larger than that of the first lead-out groove 501 so as to define the position of the first lead-out pin 3022. The width of the first transition end 3022B changes linearly from the width of the first positioning end 3022C to the width of the first insertion end 3022A, so that when the first leading-out pin 3022 is inserted into the first leading-out slot 501, the first leading-out pin 3022 gradually transitions from the first insertion end 3022A to the first positioning end 3022C.

Specifically, as shown in fig. 13, one end of the static spring piece 303 has a through slot 3031, the other end of the static spring piece 303 has a second insert piece 3032, and a static contact hole 3033 is provided between the through slot 3031 and the second insert piece 3032. One end of the static spring piece 303 having the through groove 3031 is bent 90 degrees to one side, and the other end (the end having the second insertion piece) of the static spring piece 303 is bent 90 degrees to the opposite direction (the opposite direction: the direction opposite to the direction in which the one end having the through groove 3031 is bent). The static contact hole 3033 is used for installing the static contact, and the static contact hole 3033 is right opposite to the movable contact hole 301A. The static reed 303 is clamped with the base 40. The through slot 3031 is close to the fixed contact and the movable contact. The through slots 3031 are further implemented as kidney slots.

It should be noted that, in the process of repeated contact and disconnection of the movable contact and the fixed contact, an ablation phenomenon exists, and contact spatters are generated. The through groove 3031 is arranged in the contact area, so that foreign matters (contact splashes) can be discharged conveniently, heat dissipation is facilitated, and the risk of burning out the contact is reduced.

In view of this, as shown in fig. 8, the base 40 further has three U-shaped grooves 406 on the inner side walls close to the movable contact and the fixed contact, the three U-shaped grooves 406 are close to the movable contact and the fixed contact, and the three U-shaped grooves 406 are used for increasing the creepage distance and avoiding the base 40 from being locally melted due to ablation.

Further, in order to ensure that the static spring piece 303 is clamped on the base 40 and is not easy to shake, the end of the static spring piece 303 with the through groove 3031 is further provided with three third through holes 3034, and the three third through holes 3034 are respectively clamped with the three static spring bosses 402. It should be noted that the third through holes 3034 are distributed in a triangular shape, that is, the stability of the triangular shape is utilized to ensure that the stationary spring piece 303 can be reliably clamped on the base 40.

Further, as shown in fig. 13 and 14, in order to ensure that the second insert 3032 does not shake, one end of the static spring piece 303 having the second insert 3032 further has a second bent protrusion 3035, and the second bent protrusion 3035 is disposed in the static spring mounting groove 404.

Specifically, one end of the static spring piece 303 having the through slot 3031 further has a second leading-out pin 3036, and the second leading-out pin 3036 has a second insertion end 3036A, a second transition end 3036B and a second positioning end 3036C. The second transition end 3036B is located between the second insertion end 3036A and the second positioning end 3036C, one side of the second transition end 3036B is connected to the second insertion end 3036A, and the other side of the second transition end 3036B is connected to the second positioning end 3036C. The width of the second insertion end 3036A is smaller than that of the second lead-out groove 502, the width of the second positioning end 3036C is larger than that of the second lead-out groove 502, the width of the second transition end 3036B changes linearly, and the width of the second positioning end 3036C is transited to the width of the second insertion end 3036A.

In conclusion, the relay with the slotted contact area based on the embodiment of the application is clarified, and the relay with the slotted contact area has the advantages of easiness in discharging foreign matters, better heat dissipation, difficulty in being influenced by the foreign matters and the like.

It is worth mentioning that in the embodiment of the present application, the relay with the slots in the contact area has a simple structure, does not involve a complicated manufacturing process and expensive materials, and has high economical efficiency. Simultaneously, to the manufacture factory, the grooved relay in contact area that this application provided is easily produced, and low cost, more is favorable to controlling manufacturing cost, further is favorable to the product to promote and use.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments, and any variations or modifications may be made without departing from the principles of the present invention.

Claims (10)

1. A contact field slotted relay, comprising: the contact area slotted relay comprises:

a stationary reed, the one end of stationary reed has a logical groove that is used for discharging the foreign matter, the other end of stationary reed has a second inserted sheet, lead to the groove with a stationary contact hole that is used for installing the stationary contact has between the second inserted sheet, the stationary reed has lead to the groove the one end with the stationary reed has the one end both of second inserted sheet are buckled to opposite direction.

2. The contact field slotted relay of claim 1, wherein: the relay with the grooves in the contact area further comprises a framework, an iron core, a base, a bottom plate and a magnetic circuit assembly, wherein the framework is provided with a mounting hole, the iron core penetrates through the mounting hole, the base is abutted to the bottom plate, the magnetic circuit assembly comprises a yoke and an armature, one end of the yoke is provided with a knife edge, one end, provided with a knife edge, of the yoke is bent towards one side and clamped with the base, the other end of the yoke is riveted with the iron core, one end of the armature is clamped with the knife edge of the yoke, the other end of the armature is provided with a rectangular through hole, one end, provided with the rectangular through hole, of the armature is bent towards one side, and the bottom plate is provided with a first leading-out groove.

3. The contact field slotted relay of claim 2, wherein: the relay with the groove in the contact area further comprises a contact assembly, the contact assembly comprises a movable spring piece, a movable spring leading-out piece, a push rod and a pressure spring, a movable contact hole used for installing a movable contact is formed in one end of the movable spring piece, the movable contact hole is right opposite to the static contact hole, the other end of the movable spring piece is connected with the movable spring leading-out piece in a riveting mode, the movable spring leading-out piece is connected with the base in a clamping mode, one end of the push rod is connected with one end, provided with the rectangular through hole, of the armature in a clamping mode, the push rod is located between the yoke and the movable spring piece, one end of the pressure spring is connected with the yoke in a riveting mode, and the other end of the pressure spring penetrates through the rectangular through hole and abuts against the armature.

4. The contact field slotted relay of claim 3, wherein: one side of base has three quiet spring bosss and three movable spring bosss, three quiet spring boss and three movable spring boss are close to respectively the both ends of base, three quiet spring boss and three movable spring boss all distribute with the triangle form, quiet reed has the one end that leads to the groove still has three third through-holes, three the third through-hole respectively with three quiet spring boss joint, movable spring draws forth the piece and has three second through-holes, three the second through-hole respectively with three movable spring boss joint.

5. The contact field slotted relay of claim 4, wherein: the base is also provided with a movable spring mounting groove which is close to the three movable spring bosses.

6. The contact field slotted relay of claim 1, wherein: on the static reed, the through groove is close to the static contact.

7. The contact field slotted relay of claim 2, wherein: the inner wall surface of the base, which is close to the static contact, is also provided with at least one U-shaped groove.

8. The contact field slotted relay of claim 5, wherein: the end, provided with the second through hole, of the movable spring leading-out piece is provided with a first leading-out pin, the other end of the movable spring leading-out piece is provided with a first bending bulge, and the first bending bulge is arranged in the movable spring mounting groove.

9. The contact field slotted relay of claim 2, wherein: the yoke is provided with two notches which are close to the knife edge of the yoke.

10. The contact field slotted relay of claim 8, wherein: the first leading-out pin is provided with a first inserting end, a first transition end and a first positioning end, the first transition end is positioned between the first inserting end and the first positioning end and is respectively connected with the first inserting end and the first positioning end, the width of the first inserting end is smaller than that of the first leading-out groove, and the width of the first positioning end is larger than that of the first leading-out groove.

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