CN213691885U - Stable relay of multiunit linkage - Google Patents

Abstract

The utility model relates to a relay technical field especially relates to a relay of stable multiunit linkage: the automatic lifting device comprises a shell, a base, the one end of base is equipped with horizontal separators and the longitudinal baffle that separates into first linkage cavity and second linkage cavity with the base tip jointly, be equipped with contact assembly in first linkage cavity and the second linkage cavity respectively, the last slip of horizontal separators is equipped with the propelling movement card, the other end of base is equipped with electromagnetic component and activity cavity, the suspension is equipped with the armature subassembly with propelling movement card joint in the activity cavity, contact assembly includes movable terminal and the quiet terminal of cartridge on the base, the top joint of movable terminal is in the propelling movement card. The utility model discloses a relay through there are cross slab and longitudinal baffle at the base shaping, will promote the card and slide and set up on cross slab for promote the removal that the card can be steady, move the top joint of terminal simultaneously on the avris that promotes the card, make to promote the card and receive vibrations and can not drop when assaulting, guaranteed the stability that promotes the card.

Description

Stable relay of multiunit linkage

Technical Field

The utility model relates to a relay technical field especially relates to a relay of stable multiunit linkage.

Background

The application field of the relay as a basic control element of the household appliance is continuously expanded, and the requirements of impact resistance and vibration resistance are more and more concerned by customers due to the specific use environment of the product on one hand, and on the other hand, in the increasingly developed international circulation era, the problems caused by loading and unloading are more prominent in product transportation (land transportation, sea transportation and air transportation), which is a bottleneck that is difficult to control by both customers and suppliers. An electromagnetic relay of the prior art includes a base, a push card, a magnetic circuit portion, and a contact portion; the magnetic circuit part and the contact part are respectively arranged on the base, and the contact part comprises a movable spring part and a static spring part; when the magnetic circuit part does not work, the pushing card is pushed to be under the reset action of the movable spring part, so that the movable contact of the movable spring part is disconnected or contacted with the fixed contact of the fixed spring part.

However, traditional electromagnetic relay's promotion card is hung and is established between armature part and movable spring, receives under the condition of impact or vibration at the product, promotes the card and loses stability and will break away from rather than complex movable spring and armature part in, causes the relay functional failure, and the structural stability of relay is relatively poor, and the reliability is not enough, is difficult to promote the market competition of product.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a shock-resistant and vibration-resistant relay with stable linkage of multiple sets for solving the technical problem of poor structural stability of the relay.

A stable, ganged relay comprising a housing; the base is arranged in the inner cavity of the shell, one end of the base is provided with a transverse partition plate and a longitudinal partition plate which jointly partition the base into a first linkage cavity and a second linkage cavity, at least two groups of contact assemblies are respectively arranged in the first linkage cavity and the second linkage cavity, a pushing clamp is arranged on the transverse partition plate in a sliding mode, an electromagnetic assembly and a movable cavity are arranged at the other end of the base, and an armature assembly is arranged in the movable cavity in a hanging mode, wherein the top of the armature assembly is clamped with the pushing clamp so as to push the pushing clamp to abut against one side of the electromagnetic assembly;

the armature component comprises a pushing card connecting piece and positioning columns which are formed on two sides of the pushing card connecting piece and used for being in suspension fit with the inner surface of the movable chamber, and a magnet and an armature are arranged on the pushing card connecting piece;

the contact assembly comprises a movable terminal and a fixed terminal which are inserted on the base, and the top end of the movable terminal is clamped with the push card and pushed by the push card to be close to the fixed terminal;

the electromagnetic assembly comprises a coil shaft, a first yoke and a second yoke, wherein the coil shaft is arranged on the base, an inner cavity of the coil shaft penetrates through the iron core, a coil is wound outside the coil shaft, the first yoke and the second yoke are respectively arranged at two ends of the iron core, the bottom of the first yoke corresponds to the armature assembly, and when the bottom of the first yoke is abutted against one end of the armature assembly, a movable terminal and a fixed terminal on a contact assembly in the first linkage cavity are abutted against each other so as to communicate with a circuit of the first linkage cavity; when the armature component is pushed by the pushing card, the bottom of the first yoke is separated from one end of the armature component, the movable terminal and the fixed terminal on the contact component in the first linkage cavity are separated to break the circuit of the first linkage cavity, meanwhile, the top of the second yoke is abutted against the other end of the armature component, and the movable terminal and the fixed terminal on the contact component in the other group in the second linkage cavity are abutted to communicate the circuit in the second linkage cavity.

In one embodiment, two side walls of the movable chamber are provided with limiting through holes for rotation of the positioning column.

In one embodiment, the pushing card is provided with a clamping position in a hollow manner at one end close to the pushing card connecting piece, and two inner sides of the clamping position are of symmetrical transverse F-shaped structures so as to be clamped at the top of the pushing card connecting piece.

In one embodiment, two sides of the top of the pushing card connecting piece are respectively provided with a U-shaped bayonet which is clamped with the clamping position.

In one embodiment, the base is inserted with a bending part with the top abutting against two sides of the push card and a reset spring for resetting the push card, the bottom of the reset spring is provided with a convex block for clamping the base, and the reset spring penetrates through the transverse partition plate to limit the propelling stroke of the push card.

In one embodiment, the base is provided with a fixing groove for clamping the projection.

In an embodiment, a sliding groove is formed in the bottom of the pushing card and used for limiting a sliding path on the transverse partition plate, and protruding strips abutted against the bending portions are arranged on two side sides of the pushing card.

In one embodiment, the movable terminal is riveted with a movable spring with a movable contact and a top part clamped with the pushing clamp, and the fixed terminal is provided with a fixed contact matched with the movable contact.

In one embodiment, the top of the movable spring plate is provided with a groove clamped on the side of the pushing clamping plate.

In one embodiment, a magnetic shield is disposed on the magnet adjacent to the electromagnetic assembly.

By implementing the relay of the utility model, the transverse partition plate and the longitudinal partition plate are formed on the base, the push card is arranged on the transverse partition plate in a sliding manner, so that the push card can move stably, and the top of the movable terminal is clamped on one side of the push card, so that the push card cannot fall off or become loose when being shocked and impacted, and the stability of the push card is ensured; and still the shaping has movable chamber on the base, and the armature subassembly hangs through the reference column and establishes in movable chamber, and the top joint of armature subassembly is in the one end of propelling movement card, when the relay receives impact and vibrations, guarantees the promotion propelling movement card that the armature subassembly can be steady, and further assurance promotes the stability of card operation.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of a relay according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the relay in an embodiment of the present invention after the housing is removed;

fig. 3 is a schematic structural view illustrating the engagement between the base and the contact assembly according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of portion A of the embodiment shown in FIG. 3;

fig. 5 is a schematic structural diagram of a push card according to an embodiment of the present invention;

fig. 6 is a schematic view of an armature assembly according to an embodiment of the present invention;

fig. 7 is an exploded view of an armature assembly according to an embodiment of the present invention;

fig. 8 is a schematic view of the structure of the push card cooperating with the armature assembly according to an embodiment of the present invention;

fig. 9 is a schematic structural view of the cooperation of the push clip, the movable terminal, the armature assembly and the reset spring according to an embodiment of the present invention;

fig. 10 is a schematic perspective view of the push card, the movable terminal, the armature assembly and the reset spring according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a movable terminal according to an embodiment of the present invention;

fig. 12 is a schematic structural view of a reset spring according to an embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1 to 10, a stable relay with multiple sets of linkages includes a housing 1, a base 2 installed in an inner cavity of the housing 1, a transverse partition 20 and a longitudinal partition 21 provided at one end of the base 2 and separating an end of the base 2 into a first linkage chamber 200 and a second linkage chamber 210, at least two sets of contact assemblies respectively provided in the first linkage chamber 200 and the second linkage chamber 210, a push card 4 slidably provided on the transverse partition 20, an electromagnetic assembly and a movable chamber 500 provided at the other end of the base 2, and an armature assembly 5 having a top portion engaged with the push card 4 to push the push card 4 to abut against one side of the electromagnetic assembly.

The armature assembly 5 includes a push card connector 50 and positioning posts 501 formed on both sides of the push card connector 50 for hanging and matching with the inner surface of the movable chamber 500, the push card connector 50 is provided with a magnet 51 and an armature 52, and a magnetic shielding sheet 510 is arranged on the magnet 51 at one side close to the electromagnetic assembly.

The contact assembly comprises a movable terminal 3 and a fixed terminal 31 inserted on the base 2, wherein the top end of the movable terminal 3 is clamped on the pushing card 4 and pushed by the pushing card 4 to be close to the fixed terminal 31.

The electromagnetic assembly comprises a coil shaft, a first yoke 8 and a second yoke 9, wherein the coil shaft is arranged on the base 2, the inner cavity of the coil shaft penetrates through the iron core 6, the coil shaft is wound with a coil 7, the first yoke 8 and the second yoke 9 are respectively arranged at two ends of the iron core 6, the bottom of the first yoke 8 corresponds to the armature assembly 5, and when the bottom of the first yoke 8 is abutted against one end of the armature assembly 5, the movable terminal 3 on the contact assembly in the first linkage chamber 200 is abutted against the fixed terminal 31 so as to communicate with a circuit of the first linkage chamber 200; when the armature assembly 5 is pushed by the pushing card 4, the bottom of the first yoke 8 is separated from one end of the armature assembly 5, the movable terminal 3 on the contact assembly in the first linkage chamber 200 is separated from the fixed terminal 31 to break the circuit of the first linkage chamber 200, meanwhile, the top of the second yoke 9 is abutted against the other end of the armature assembly 5, and the movable terminal 3 on the other group of contact assembly in the second linkage chamber 210 is abutted against the fixed terminal 31 to communicate the circuit of the second linkage chamber 210.

By implementing the relay of the utility model, the transverse partition plate 20 and the longitudinal partition plate 210 are formed on the base 2, the push card 4 is slidably arranged on the transverse partition plate 20, so that the push card 4 can stably move, and meanwhile, the top of the movable terminal 3 is clamped on one side of the push card 4, so that the push card 4 cannot fall off or become loose when being shocked and impacted, thereby ensuring the stability of the push card 4; and still the shaping has movable chamber 500 on base 4, and armature subassembly 5 hangs through reference column 501 to be established in movable chamber 500, and the top joint of armature subassembly 5 is in the one end of propelling movement card 4, and when the relay received impact and vibrations, the promotion that guarantees armature subassembly 4 can be steady pushes away propelling movement card 5, and further the stability of the operation of assurance propelling movement card 5.

The first linkage chamber 200 and the second linkage chamber 210 are partitioned by the transverse partition 20 and the longitudinal partition 21, so that each contact assembly in the first linkage chamber 200 and the second linkage chamber 210 can independently operate, and the top of the movable terminal 3 on each contact assembly is respectively clamped on the side of the push card 4, so that the push card 4 pushes the movable terminal 3 on each contact assembly to be close to the fixed terminal 31.

The pushing clamp 4 is used for pushing the armature component 5 to abut against the electromagnetic component, and meanwhile, the moving terminal 3 clamped with the armature component 5 abuts against and is separated from the static terminal 31, so that the on-off of a relay circuit is realized. In order to ensure that the push card 4 can stably push the armature assembly 5, referring to fig. 5, 6 and 8, in an embodiment, a hollow position of a detent 40 is disposed at one end of the push card 4 adjacent to the push card connector 50, two inner sides of the detent 40 are symmetrical and transverse F-shaped structures to be clamped on the top of the push card connector 50, and two sides of the top of the push card connector 50 are respectively provided with a U-shaped bayonet 502 engaged with the detent 40. When assembling the pushing card 4 and the armature component 5, the position limit 40 of the pushing card 4 is abutted to the top of the pushing card connector 50 of the armature component 5, and then the position limit 40 is pressed downwards along the thickness direction of the pushing card 4 with force, so that the position limit 40 is opened by two side sides of the top of the pushing card connector 50 until the position limit 40 is clamped in the U-shaped bayonet 502 of the pushing card connector 50, and the assembling is completed. Make to push away card 4 and armature subassembly 5 firm connection, make the relay equipment back simultaneously, push away card 4 and armature subassembly 5 and can not break away from under the violent impact, have good shock resistance and anti falling ability, guarantee product quality's stability.

Preferably, limiting through holes 22 are formed in two side walls of the movable chamber 500 and used for rotating the positioning columns 501, and the limiting through holes 22 are matched with the positioning columns 501, so that the armature component 5 can swing back and forth in the movable chamber 500 conveniently, the armature component 5 is enabled to be abutted to the electromagnetic component, and the on-off of a circuit of the relay is stabilized. In an embodiment, the limiting through hole may be a circular hole, a semicircular arc hole, or another hole, so that the positioning column 501 can rotate within a fixed range.

Referring to fig. 3, 10 and 11, in an embodiment, the movable contact spring 30 having a movable contact 301 and a top portion engaged with the push card 4 is riveted on the movable terminal 3, and the stationary contact 310 matched with the movable contact 301 is provided on the stationary terminal 31. Preferably, the top of the movable spring 30 is provided with a groove 302 for engaging with the side of the push card 4, and the groove 302 is arranged to stably push the card 4 to make the movable contact 301 on the movable terminal 3 abut against the fixed contact 310 on the fixed terminal 31, so as to communicate the circuit of the relay. That is to say, the movable spring 30 on each contact assembly in the first linkage chamber 200 and the second linkage chamber 210 is clamped on the side of the push card 4 through the groove 302 respectively, so that the push card 4 pushes the movable contact 301 on each contact assembly in the first linkage chamber 200 and the second linkage chamber 210 to abut against the stationary contact 310, multiple groups of linkage on-off of the relay are realized, and meanwhile, after the relay is assembled, the push card 4 cannot be separated from the movable spring 30 under violent impact, so that the relay has good impact resistance and falling resistance, and the stability of the product quality is ensured.

Referring to fig. 2, 3, 4, 9, 10 and 12, in an embodiment, the base 2 is inserted with a bending portion 230 having a top portion abutting against two sides of the push card 4 and a reset spring 23 for resetting the push card 4, the bottom portion of the reset spring 23 is provided with a protrusion 231 for being clamped on the base 2, and the reset spring 23 penetrates through the transverse partition 20 to limit a pushing stroke of the push card 4. Preferably, the base 2 is provided with a fixing groove 24 for clamping the protrusion 231, and when the reset spring 23 is assembled, the reset spring 23 is pushed to slide into the fixing groove 24, so that the protrusion 231 also slides into the fixing groove 24, and the protrusion 231 is clamped in the fixing groove 24. Preferably, the bottom of the push card 4 is provided with a slide groove 42 for defining a slide path on the transverse partition 20, and protruding strips 41 abutting against the bent portions 230 are provided on both sides of the push card 4. Through setting up the reed 23 that resets so that push away card 4 in the spacing of advancing direction, prevent to push away card 4 propelling movement transition, lead to movable reed 30 to break away from, guarantee product quality's stability.

In the relay, when the bottom of the first yoke 8 abuts against one end of the armature assembly 5, the pushing card 4 pushes the movable spring 30 on the contact assembly in the first linkage chamber 200, so that the movable contact 301 abuts against the fixed contact 310 on the fixed terminal 31, and the circuit communication of the first linkage chamber 200 is realized; when the armature component 5 is pushed by the pushing card 4, the bottom of the first yoke 8 is separated from one end of the armature component 5, the movable contact 301 on the contact component in the first linkage chamber 200 is separated from the fixed contact 310 to break the circuit of the first linkage chamber 200, meanwhile, the top of the second yoke 9 is abutted against the other end of the armature component 5, and the pushing card 4 pushes the movable spring piece 30 on the other group of contact components in the second linkage chamber 210, so that the movable contact 301 is abutted against the fixed contact 310 on the fixed terminal 31 to realize the circuit communication of the second linkage chamber 210.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A stable multigroup linkage relay, comprising:

a housing (1);

the base (2) is arranged in an inner cavity of the shell (1), one end of the base (2) is provided with a transverse partition plate (20) and a longitudinal partition plate (21) which jointly partition the base (2) into a first linkage chamber (200) and a second linkage chamber (210), at least two groups of contact assemblies are respectively arranged in the first linkage chamber (200) and the second linkage chamber (210), a push clamp (4) is arranged on the transverse partition plate (20) in a sliding mode, the other end of the base (2) is provided with an electromagnetic assembly and a movable chamber (500), and an armature assembly (5) is arranged in the movable chamber (500) in an inner suspension mode, wherein the top of the armature assembly is connected with the push clamp (4) in a clamping mode so that the push clamp (4) can be pushed to abut against one side of the electromagnetic assembly;

the armature component (5) comprises a push card connecting piece (50) and positioning columns (501) which are formed on two side sides of the push card connecting piece (50) and used for being in suspension fit with the inner surface of the movable chamber (500), and a magnet (51) and an armature (52) are arranged on the push card connecting piece (50);

the contact assembly comprises a movable terminal (3) and a fixed terminal (31) which are inserted into the base (2), the top end of the movable terminal (3) is clamped with the push card (4) and pushed by the push card (4) to be close to the fixed terminal (31);

the electromagnetic assembly comprises a coil shaft, a first yoke (8) and a second yoke (9), wherein the coil shaft is arranged on the base (2), an iron core (6) penetrates through an inner cavity of the base and is externally wound with a coil (7), the first yoke (8) and the second yoke (9) are respectively arranged at two ends of the iron core (6), the bottom of the first yoke (8) corresponds to the armature assembly (5), and when the bottom of the first yoke (8) is abutted against one end of the armature assembly (5), a movable terminal (3) on the contact assembly in the first linkage chamber (200) is abutted against a fixed terminal (31) so as to communicate with a circuit of the first linkage chamber (200); when the armature component (5) is pushed by the pushing card (4), the bottom of the first yoke (8) is separated from one end of the armature component (5), the movable terminal (3) and the static terminal (31) on the contact component in the first linkage cavity (200) are separated to break the circuit of the first linkage cavity (200), meanwhile, the top of the second yoke (9) is abutted against the other end of the armature component (5), and the other group of the second linkage cavity (210) is abutted against the movable terminal (3) and the static terminal (31) on the contact component to communicate the circuit in the second linkage cavity (210).

2. The relay according to claim 1, wherein two side walls of the movable chamber (500) are provided with limiting through holes (22) for rotation of the positioning columns (501).

3. The relay according to claim 1, wherein the push card (4) is provided with a hollow detent (40) at one end adjacent to the push card connector (50), and two inner sides of the detent (40) are symmetrically arranged in a transverse F-shaped structure to be clamped at the top of the push card connector (50).

4. The relay according to claim 3, wherein the push-card connector (50) is provided with a U-shaped bayonet (502) at two sides of the top thereof for being clamped with the bayonet (40).

5. The relay according to claim 1, wherein the base (2) is inserted and provided with a bending part (230) at the top, which is abutted against two side edges of the push card (4), and a reset spring (23) for resetting the push card (4), the bottom of the reset spring (23) is provided with a convex block (231) for clamping the push card (4), and the reset spring (23) penetrates through the transverse partition plate (20) to limit the pushing stroke of the push card (4).

6. The relay according to claim 5, characterized in that the base (2) is provided with fixation slots (24) for clamping the protrusions (231).

7. The relay according to claim 5, characterized in that the bottom of the push card (4) is provided with a sliding slot (42) for defining a sliding path on the transverse partition (20), and the push card (4) is provided on both sides with protruding strips (41) abutting against the bent portions (230).

8. The relay according to claim 1, wherein the movable terminal (3) is riveted with a movable spring (30) which is clamped with the push card (4) at the top and is provided with a movable contact (301), and the fixed terminal (31) is provided with a fixed contact (310) matched with the movable contact (301).

9. The relay according to claim 8, characterized in that the top of the movable spring (30) is provided with a groove (302) which is clamped on the side of the push card (4).

10. The relay according to claim 1, wherein a magnetic shield (510) is provided on the magnet (51) adjacent to the electromagnetic assembly.

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