Multi-contact relay

Abstract

The utility model provides a multi-contact relay, which comprises a base, an electromagnetic electromechanical assembly arranged on the base and a housing matched with the base in a buckling way, the electromagnetic electromechanical assembly comprises an I-shaped frame, an electromagnet, a connecting plate, a fixed plate, an armature, a movable contact plate, a first static contact plate and a second static contact plate, the fixed plate and the base are integrally arranged, and the fixed plate and the base are integrally arranged. The top of one side, facing the movable contact plate, of the fixed plate is provided with a first slot for inserting the first static contact plate, one side, facing the movable contact plate, of the fixed plate, opposite to the first slot, is provided with second slots for inserting the second static contact plate at intervals, and the first slot and the second slots are arranged in a manner of penetrating through the base; an input end plug integrated with the base is arranged at one end, opposite to the armature, of the bottom of the base. The LED lamp is easy to produce and assemble, high in structural strength and good in heat dissipation performance.

Description

Technical Field

[0001] The utility model relates to the technical field of relays, in particular to a multi-contact relay. Background Art

[0002] A relay is an automatic control device that changes the output in a jump-like manner when the input quantity (electricity, magnetism, sound, light, heat) reaches a certain value. The main components of a relay are electromagnetic relay components, including a moving touch plate, a static touch plate, a connecting plate, an electromagnetic coil, a work frame for fixing the electromagnetic coil, a fixing plate for fixing the work frame, and a connecting plate. The moving touch plate and the static touch plate are usually separated, and the connecting plate is set at both ends of the electromagnetic coil. When the electromagnetic coil is energized, a magnetic force is generated to attract the moving touch plate, and the moving touch plate abuts against the static touch plate downward to achieve a state jump. There are two groups of static touch plates, and the moving touch plate of the multi-contact relay is provided with two moving contacts that cooperate with the two groups of static touch plates respectively.

[0003] The fixing plate and the base of the existing multi-contact relay are in a separate structure, and the input plug at the bottom of the base is also separately connected thereto, which results in troublesome production and assembly and low structural strength, affecting the structural performance of the multi-contact relay. Utility Model Content

[0004] Based on the above problems, the purpose of the utility model is to provide a multi-contact relay which is simple to produce and assemble and has high structural strength and good heat dissipation performance.

[0005] In view of the above problems, the following technical solutions are provided: a multi-contact relay, comprising a base, an electromagnetic electromechanical component arranged on the base, and a shell cover snap-fitted with the base, the electromagnetic electromechanical component comprising an I-shaped frame, an electromagnet installed in the I-shaped frame, a connecting plate connected to the I-shaped frame, a fixing plate located on one side of the I-shaped frame and arranged opposite to the connecting plate, an armature connected to the connecting plate and located at one end of the electromagnet, a moving touch plate linked to the armature, and a first static touch plate and a second static touch plate installed on the fixing plate and arranged opposite to the moving touch plate, one end of the moving touch plate is connected to the connecting plate, and the other end is fixed to the armature and its end is extended outward to form a first moving contact and a second moving contact arranged up and down, and the first static touch plate is provided with There is a first static contact corresponding to the first moving contact, and the second static contact corresponding to the second moving contact is provided on the second static contact plate. The fixed plate and the base are integrally arranged, and a first slot for inserting the first static touch plate is provided on the top of the fixed plate facing the moving touch plate, and a second slot for inserting the second static touch plate is provided on the fixed plate opposite to the first slot and facing the moving touch plate. The first slot and the second slot are arranged through the base, and an input end plug integrally arranged therewith is provided at an end of the bottom of the base opposite to the armature, and a first jack and a second jack are provided at a position on the base corresponding to the inner hole of the input end plug, and the first jack and the second jack are respectively inserted with a first pin and a second pin.

[0006] In the above structure, the fixing plate and the input end plug are integrally arranged with the base, which can facilitate the production of the utility model, thereby facilitating the assembly of the utility model. The first slot and the second slot can facilitate the vertical insertion and installation of the first static touch plate and the second static touch plate, thereby improving the convenience of assembly of the utility model. The first jack and the second jack can facilitate the vertical insertion and installation of the first pin and the second pin, thereby improving the convenience of assembly of the utility model and further improving the efficiency of assembly of the utility model.

[0007] The utility model is further configured that the first static touch plate and the second static touch plate are both provided with protrusions, and the inner walls of the first slot and the second slot are both provided with card slots adapted to the protrusions.

[0008] In the above structure, by providing a protrusion that cooperates with the slot, the first stationary touch plate and the second stationary touch plate can be easily positioned and installed, and the first stationary touch plate and the second stationary touch plate can be easily axially limited, thereby improving the stability of the first stationary touch plate and the second stationary touch plate and improving the reliability of the utility model.

[0009] The utility model is further configured such that both the first slot and the second slot are stepped slots, and both sides of the first static touch plate and the second static touch plate are provided with limiting slots adapted to the stepped slots to achieve limiting relative to their installation direction.

[0010] In the above structure, the installation positions of the first slot and the second slot can be positioned by cooperating with the limiting slot and the stepped slot, thereby improving the convenience of assembly of the utility model and improving the reliability of the utility model.

[0011] The utility model is further configured that reinforcing ribs connected to the base are provided on both sides of the fixing plate.

[0012] The above structure can improve the connection strength between the fixing plate and the base, thereby improving the overall structural strength of the utility model.

[0013] The utility model is further configured as follows: a limit assembly is provided on the base above the input end plug and is integrally arranged therewith, the limit assembly comprising a fixed block, a stop block opposite to the fixed block and a limit block located on one side of the fixed block, a fixed groove is provided on the fixed block, the limit block is connected to the fixed plate, a fixed opening is formed between the fixed groove, the stop block and the limit block, the limit assembly is symmetrically arranged in two groups relative to the width direction of the base, the first pin and the second pin both comprise a fixed portion adapted to the fixed groove, a connecting portion arranged in a transverse direction relative to the fixed portion and adapted to the fixed opening, and a plug-in portion located at the first jack or the second jack.

[0014] In the above structure, the first pin and the second pin are installed on the base through two sets of limiter components and the first jack and the second jack. The limiter components are used for limiter installation, which can improve the stability of the first pin and the second pin, thereby improving the stability and reliability of the external wire and the input plug.

[0015] The utility model is further configured such that a bayonet is provided at the end of the base, a clamping block matched with the bayonet is provided on the shell cover, a guide opening with an inclined bottom surface is provided on the base above the bayonet, and a guide surface matched with the guide opening is provided at the bottom of the clamping block.

[0016] In the above structure, the shell cover is connected to the base by the engagement of the block and the bayonet, thereby improving the convenience of assembly of the utility model. The engagement of the guide surface and the guide opening can facilitate the block of the shell cover to slide into the bayonet, thereby further facilitating the installation of the shell cover.

[0017] The utility model is further configured that an abutting groove abutting against the top of the outer edge of the base is opened on the inner wall of the shell cover.

[0018] In the above structure, the abutment groove is provided to facilitate the shell cover to cover the outer edge of the base, thereby improving the connection strength between the base and the shell cover, and improving the overall structural strength of the utility model.

[0019] The utility model is further configured that a clearance groove corresponding to the bending position of the moving touch plate is opened on one side of the inner wall of the shell cover facing the connecting plate.

[0020] By adopting the above structure, when the armature drives the movable contact plate to deform, so that the first movable contact and the first static contact, the second movable contact and the second static contact correspond to each other, and when the movable contact plate is reset and the first movable contact and the first static contact, and the second movable contact and the second static contact are separated, the movable space of the movable contact plate during deformation is increased by the yielding groove, thereby avoiding friction between the movable contact plate and the shell cover and reducing the overall volume of the utility model accordingly, thereby improving the reliability of the utility model.

[0021] The utility model is further configured that the base is provided with crisscross heat dissipation grooves at the fixing opening, and the heat dissipation grooves are opened toward the guide opening.

[0022] The above structure can improve the heat dissipation performance of the utility model, thereby improving the reliability and safety of the utility model.

[0023] The utility model is further configured such that a guide groove body corresponding to the first slot and the second slot is provided at the bottom of the base, a partition is provided in the middle of the guide groove body, the bottom ends of the first static touch plate and the second static touch plate are located in the guide groove body and are separated by the partition, the bottom end of the guide groove body is open, and a connecting groove is provided on its inner wall.

[0024] The above structure can facilitate the connection of the external wire to the first static touch plate and the second static touch plate, thereby improving the stability and firmness of the wiring. The partition can avoid the first static touch plate and the second static touch plate from influencing each other, thereby improving the safety of the utility model. The connection groove can play a guiding role during wiring and improve the wiring strength, thereby improving the reliability of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The structure of the utility model is shown in FIG. Figure 1 .

[0026] Figure 2 The structure of the utility model is shown in FIG. Figure 2 .

[0027] Figure 3 The structure inside the shell of the utility model is shown in FIG. Figure 1 .

[0028] Figure 4 The structure inside the shell of the utility model is shown in FIG. Figure 2 .

[0029] Figure 5It is a schematic diagram of the structure in which the base cooperates with the first static touch plate, the second static touch plate, the first plug pin and the second plug pin in the utility model.

[0030] Figure 6 It is a schematic diagram of the split structure of the base, the first static touch plate and the second static touch plate in the utility model.

[0031] Figure 7 for Figure 6 Enlarged view of the structure at O ​​in the middle.

[0032] Figure 8 It is a structural schematic diagram of the shell cover in the utility model.

[0033] Meaning of the numbers in the figure: 1-base; 2-electromagnetic electromechanical assembly; 3-shell; 21-type frame; 22-electromagnet; 23-connecting plate; 24-fixed plate; 25-armature; 26-moving touch plate; 27-first static touch plate; 28-second static touch plate; 261-first moving contact; 262-second moving contact; 271-first static contact; 281-second static contact; 241-first slot; 242-second slot; 11-input end plug; 12-first jack; 13-second jack; 4- First pin; 5-second pin; 01-bump; 02-slot; 03-limiting slot; 243-reinforcing rib; 14-limiting assembly; 141-fixing block; 142-stop block; 143-limiting block; 1411-fixing slot; 04-fixing part; 05-connecting part; 06-plug-in part; 15-bayonet; 31-block; 16-guide opening; 311-guide surface; 32-abutment slot; 33-displacement slot; 17-heat dissipation slot; 18-guide slot body; 181-partition plate; 182-connecting slot. DETAILED DESCRIPTION

[0034] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0035] It should be noted that all directional indications (such as up, down, left, right, front, back, backside...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0036] like Figures 1 to 8A multi-contact relay shown in the figure comprises a base 1, an electromagnetic electromechanical assembly 2 arranged on the base 1, and a shell cover 3 snap-fitted with the base 1, wherein the electromagnetic electromechanical assembly 2 comprises an I-shaped frame 21, an electromagnet 22 installed in the I-shaped frame 21, a connecting plate 23 connected to the I-shaped frame 21, a fixing plate 24 located on one side of the I-shaped frame and arranged opposite to the connecting plate 23, an armature 25 connected to the connecting plate 23 and located at one end of the electromagnet 22, a moving contact plate 26 linked to the armature 25, and a first stationary touch plate 27 and a second stationary touch plate 28 installed on the fixing plate 24 and arranged opposite to the moving contact plate 26, wherein one end of the moving contact plate 26 is connected to the connecting plate 23, and the other end is fixed to the armature 25 and its end is extended outward to form a first moving contact 261 and a second moving contact 262 arranged up and down, and the first stationary touch plate 27 is provided with a contact plate opposite to the first moving contact 261. The fixing plate 24 is provided with a first static contact 271 corresponding to the second moving contact 262, and the second static contact plate 28 is provided with a second static contact 281 corresponding to the second moving contact 262. The fixing plate 24 and the base 1 are integrally arranged. The top of the fixing plate 24 facing the moving touch plate 26 is provided with a first slot 241 for inserting the first static touch plate 27. The fixing plate 24 is provided with a second slot 242 for inserting the second static touch plate 28 at a distance from the first slot 241 on the side facing the moving touch plate 26. The first slot 241 and the second slot 242 are arranged through the base 1. The end of the bottom of the base 1 opposite to the armature 25 is provided with an input end plug 11 integrally arranged therewith. The base 1 is provided with a first jack 12 and a second jack 13 at a position corresponding to the inner hole of the input end plug 11. The first jack 12 and the second jack 13 are respectively inserted with a first pin 4 and a second pin 5.

[0037] In the above structure, the fixing plate 24 and the input end plug 11 are integrally arranged with the base 1, which can facilitate the production of the utility model, thereby facilitating the assembly of the utility model. The first slot 241 and the second slot 242 can facilitate the vertical insertion and installation of the first static touch plate 27 and the second static touch plate 28, thereby improving the convenience of assembly of the utility model. The first jack 12 and the second jack 13 can facilitate the vertical insertion and installation of the first pin 4 and the second pin 5, thereby improving the convenience of assembly of the utility model and further improving the efficiency of assembly of the utility model.

[0038] In this embodiment, the first stationary touch plate 27 and the second stationary touch plate 28 are both provided with a protrusion 01 , and the inner walls of the first slot 241 and the second slot 242 are both provided with a slot 02 matched with the protrusion 01 .

[0039] In the above structure, by setting the protrusion 01 and the card slot 02 to cooperate with each other, the positioning and installation of the first stationary touch plate 27 and the second stationary touch plate 28 can be facilitated, and the axial limitation of the first stationary touch plate 27 and the second stationary touch plate 28 can be facilitated, thereby improving the stability of the first stationary touch plate 27 and the second stationary touch plate 28 and improving the reliability of the utility model.

[0040] In this embodiment, the first slot 241 and the second slot 242 are both stepped slots, and both sides of the first static touch plate 27 and the second static touch plate 28 are provided with limiting slots 03 adapted to the stepped slots to achieve limiting relative to their installation direction.

[0041] In the above structure, the limiting groove 03 cooperates with the stepped groove to locate the installation positions of the first slot 241 and the second slot 242, thereby improving the convenience of assembly of the utility model and improving the reliability of the utility model.

[0042] In this embodiment, reinforcing ribs 243 connected to the base 1 are provided on both sides of the fixing plate 24 .

[0043] By adopting the above structure, the connection strength between the fixing plate 24 and the base 1 can be improved, thereby improving the overall structural strength of the utility model.

[0044] In this embodiment, a limit assembly 14 is provided on the base 1 above the input end plug 11 and is integrally arranged therewith. The limit assembly 14 includes a fixed block 141, a stop block 142 opposite to the fixed block 141, and a limit block 143 located on one side of the fixed block 141. A fixed groove 1411 is provided on the fixed block 141. The limit block 143 is connected to the fixed plate 24. A fixed opening is formed between the fixed groove 1411, the stop block 142 and the limit block 143. Two groups of the limit assembly 14 are symmetrically arranged relative to the width direction of the base 1. The first pin 4 and the second pin 5 both include a fixed portion 04 adapted to the fixed groove 1411, a connecting portion 05 arranged in a transverse direction relative to the fixed portion 04 and adapted to the fixed opening, and a plug-in portion 06 located at the first socket 12 or the second socket 13.

[0045] In the above structure, the first pin 4 and the second pin 5 are installed on the base 1 through two sets of limiter components 14 and the first jack 12 and the second jack 13. The limiter components 14 are used for limiter installation, which can improve the stability of the first pin 4 and the second pin 5, thereby improving the stability and reliability of the external wire and the input plug 11.

[0046] In this embodiment, a bayonet 15 is provided at the end of the base 1, a block 31 adapted to the bayonet 15 is provided on the shell cover 3, a guide opening 16 with an inclined bottom surface is provided on the base 1 above the bayonet 15, and a guide surface 311 matching the guide opening 16 is provided at the bottom of the block 31.

[0047] In the above structure, the shell cover 3 is connected to the base 1 by the engagement of the block 31 with the bayonet 15, thereby improving the convenience of assembly of the utility model. The engagement of the guide surface 311 with the guide opening 16 can facilitate the block 31 of the shell cover 3 to slide into the bayonet 15, thereby further facilitating the installation of the shell cover 3.

[0048] In this embodiment, a contact groove 32 is formed on the inner wall of the shell cover 3 to contact the top of the outer edge of the base 1 .

[0049] In the above structure, the abutting groove 32 is provided to facilitate the shell cover 3 to cover the outer edge of the base 1, thereby improving the connection strength between the base 1 and the shell cover 3 and improving the overall structural strength of the utility model.

[0050] In this embodiment, a clearance groove 33 corresponding to the bending position of the movable touch plate 26 is formed on the inner wall of the housing 3 facing the connecting plate 23 .

[0051] By adopting the above structure, the armature 25 can drive the movable contact plate 26 to deform, so that the first movable contact 261 and the first static contact 271, the second movable contact 262 and the second static contact 281 are correspondingly matched, and when the movable contact plate 26 is reset, the first movable contact 261 and the first static contact 271, the second movable contact 262 and the second static contact 281 are controlled to separate, and the movable space of the movable contact plate 26 during deformation is increased by the yielding groove 33, thereby avoiding the friction between the movable contact plate 26 and the shell cover 3 and reducing the overall volume of the utility model accordingly, thereby improving the reliability of the utility model.

[0052] In this embodiment, the base 1 is provided with crisscross heat dissipation grooves 17 at the fixing opening, and the heat dissipation grooves 17 are opened toward the guide opening 16 .

[0053] The above structure can improve the heat dissipation performance of the utility model, thereby improving the reliability and safety of the utility model.

[0054] In this embodiment, a guide groove body 18 corresponding to the first slot 241 and the second slot 242 is provided at the bottom of the base 1, and a partition plate 181 is provided in the middle of the guide groove body 18. The bottom ends of the first static touch plate 27 and the second static touch plate 28 are located in the guide groove body 18 and are separated by the partition plate 181. The bottom end of the guide groove body 18 is open, and a connecting groove 182 is provided on its inner wall.

[0055] The above structure can facilitate the connection of the external wires with the first stationary touch plate 27 and the second stationary touch plate 28, thereby improving the stability and firmness of the wiring. The partition 181 can prevent the first stationary touch plate 27 and the second stationary touch plate 28 from influencing each other, thereby improving the safety of the utility model. The connection groove 182 can play a guiding role during wiring and improve the wiring strength, thereby improving the reliability of the utility model.

[0056] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications of the above assumptions should also be regarded as the protection scope of the present invention.

Claims

1. A multi-contact relay, comprising a base, an electromagnetic electromechanical assembly arranged on the base, and a shell cover snap-fitted with the base, the electromagnetic electromechanical assembly comprising an I-shaped frame, an electromagnet installed in the I-shaped frame, a connecting plate connected to the I-shaped frame, a fixing plate located on one side of the I-shaped frame and arranged opposite to the connecting plate, an armature connected to the connecting plate and located at one end of the electromagnet, a moving touch plate linked to the armature, and a first static touch plate and a second static touch plate installed on the fixing plate and arranged opposite to the moving touch plate, one end of the moving touch plate is connected to the connecting plate, the other end is fixed to the armature and its end extends outward to form a first moving contact and a second moving contact arranged up and down, the first static touch plate is provided with a first static contact corresponding to the first moving contact, and the second static touch plate is provided with a second static contact corresponding to the second moving contact, characterized in that: The fixing plate and the base are integrally arranged, a first slot for inserting a first static touch plate is provided at the top of the fixing plate facing the moving touch plate, a second slot for inserting a second static touch plate is provided on the fixing plate opposite to the first slot facing the moving touch plate, the first slot and the second slot are arranged through the base, an input end plug integrally arranged therewith is provided at an end of the bottom of the base opposite to the armature, a first jack and a second jack are provided at positions on the base corresponding to the inner hole of the input end plug, and a first pin and a second pin are respectively inserted into the first jack and the second jack.

2. A multi-contact relay according to claim 1, characterized in that: The first stationary touch plate and the second stationary touch plate are both provided with protrusions, and the inner walls of the first slot and the second slot are both provided with card slots adapted to the protrusions.

3. A multi-contact relay according to claim 2, characterized in that: The first slot and the second slot are both stepped slots, and both sides of the first static touch plate and the second static touch plate are provided with limiting slots adapted to the stepped slots to achieve limiting relative to their installation direction.

4. A multi-contact relay according to claim 1, characterized in that: Reinforcing ribs connected to the base are arranged on both sides of the fixing plate.

5. A multi-contact relay according to claim 1, characterized in that: A limit assembly is provided on the base above the input end plug and is integrally arranged therewith, the limit assembly comprises a fixed block, a stop block opposite to the fixed block and a limit block located on one side of the fixed block, a fixed groove is provided on the fixed block, the limit block is connected to the fixed plate, a fixed opening is formed between the fixed groove, the stop block and the limit block, two groups of the limit assembly are symmetrically arranged relative to the width direction of the base, the first pin and the second pin both comprise a fixed portion adapted to the fixed groove, a connecting portion arranged in a transverse direction relative to the fixed portion and adapted to the fixed opening, and a plug-in portion located at the first jack or the second jack.

6. A multi-contact relay according to claim 5, characterized in that: The base end is provided with a bayonet, the shell cover is provided with a clamping block adapted to the bayonet, the base is provided with a guide opening with an inclined bottom surface above the bayonet, and the bottom of the clamping block is provided with a guide surface matching the guide opening.

7. A multi-contact relay according to claim 6, characterized in that: The inner wall of the shell cover is provided with a contact groove which contacts with the top of the outer edge of the base.

8. A multi-contact relay according to claim 7, characterized in that: A clearance groove corresponding to the bending position of the moving touch plate is formed on one side of the inner wall of the shell cover facing the connecting plate.

9. The multi-contact relay according to claim 5, characterized in that: The base is provided with crisscross heat dissipation grooves at the fixing opening, and the heat dissipation grooves are opened toward the guide opening.

10. The multi-contact relay according to claim 1, characterized in that: A guide groove body corresponding to the first slot and the second slot is provided at the bottom of the base, a partition is provided in the middle of the guide groove body, the bottom ends of the first static touch plate and the second static touch plate are located in the guide groove body and are separated by the partition, the bottom end of the guide groove body is open, and a connecting groove is provided on its inner wall.

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