CN213691886U

CN213691886U - Stable relay

Info

Publication number: CN213691886U
Application number: CN202022663123.7U
Authority: CN
Inventors: 付波
Original assignee: Churod Electronics Co ltd
Current assignee: Churod Electronics Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-13
Anticipated expiration: 2030-11-17

Abstract

The utility model relates to a relay technical field especially relates to a good relay of stability: the box body, the contact module who constitutes by quiet terminal and movable terminal is installed to box body one end, the box body other end has the accepting groove, the built-in magnetic circuit subassembly that is equipped with of accepting groove, hang in the box body and be equipped with one end joint in the magnetic circuit subassembly, the other end is pegged graft in the promotion card of movable terminal, the magnetic circuit subassembly includes the coil, the coil bobbin, the yoke, armature, be equipped with the spacing groove on the promotion card, the spacing groove has first inside edge, the second inside edge, the third inside edge, the fourth inside edge, the third inside edge is equipped with first locking piece, be equipped with the second locking piece on the promotion card, be equipped with the promotion round pin of pegging graft in movable terminal on the second locking piece. The first locking block abutted to the end face of the armature and the second locking block inserted into the moving terminal are respectively arranged on the pushing clamp of the relay, and the pushing clamp is clamped at the top of the armature, so that the pushing clamp and the armature are not easy to fall off in the moving process, and the working stability of the relay is ensured.

Description

Stable relay

Technical Field

The utility model relates to a relay technical field especially relates to a good relay of stability.

Background

The relay is a mechanical structure, plays the role of automatic switch in the circuit, consists of a driving mechanism and a load mechanism, is fixed on a plastic base, is connected by a push card or an armature, the driving mechanism is mainly a coil magnetic circuit of the relay, and consists of a plastic framework, an enameled wire, a lead pin, an iron core, a yoke, an armature and the like, the load mechanism consists of a static reed and a movable reed, wherein the movable reed and the armature are riveted together, the movable reed and the armature are mutually attached through the tail part and the end surface of the yoke, the movable reed also moves along with the movable reed through the movement of the armature, and is contacted with the static reed, a load end starts to work, and the whole circuit is connected at.

However, the connection stability between the armature and the promotion card of traditional relay is relatively poor, along with armature operating time's extension, armature and promotion card connection position receive external force to vibrate the easy disconnection for armature drops from the promotion card, influences the life of relay, also causes the relay function failure simultaneously, 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 relay with good stability to solve the technical problem of poor structural stability of the relay.

A stabilized relay, comprising: the relay connector comprises a box body, wherein one end of the box body is provided with a contact assembly consisting of a pair of static terminals arranged side by side and a movable terminal arranged between the pair of static terminals, the other end of the box body is provided with an accommodating groove, a magnetic circuit assembly is arranged in the accommodating groove, a pushing clamp is suspended in the box body, one end of the pushing clamp is clamped in the magnetic circuit assembly, the other end of the pushing clamp is inserted in the movable terminal, the bottom of the pushing clamp slides along one side of a groove opening of the accommodating groove, and the pushing clamp pushes the movable terminal to be close to and abutted against the static terminals so as to;

the magnetic circuit component comprises a coil shaft barrel, a yoke iron and an armature iron, wherein a coil is wound outside the coil shaft barrel, the yoke iron is of a U-shaped structure, one end of the yoke iron is inserted into the coil shaft barrel, the armature iron is suspended on one side of the coil shaft barrel, the bottom of the armature iron is abutted to the yoke iron, the top of the armature iron is clamped with the pushing clamp to push the pushing clamp to slide, a reset spring is arranged on the side of the coil shaft barrel and abutted to the bottom of the armature iron, and the reset spring is used for limiting the swinging range of the armature iron;

a limiting groove is formed in one end, close to the armature, of the pushing clamp, the limiting groove is provided with a first inner side, a second inner side and a third inner side which are symmetrical to the first inner side, and a fourth inner side provided with an opening, clamping positions clamped with the two sides of the top of the armature are respectively arranged on the first inner side and the second inner side, and a first locking block with one end abutted to the end face of the armature is arranged on the third inner side along the thickness direction of the pushing clamp; the pushing clamp is provided with a second locking block at the position, close to the other end of the movable terminal, along the thickness direction of the pushing clamp, the second locking block is provided with a pushing pin which is inserted into the movable terminal, and the pushing pin is used for pushing the movable terminal to move towards the static terminal.

In an embodiment, the contact assembly includes a movable spring plate riveted to the movable terminal and disposed between the pair of the fixed terminals, and the movable spring plate is provided with a plug hole for plugging the pushing pin.

In one embodiment, protruding fixing blocks are arranged on two side sides of the yoke, limiting grooves matched with the protruding fixing blocks are arranged on two side sides of the accommodating grooves, and the protruding fixing blocks are clamped in the limiting grooves.

In one embodiment, the clamping position is provided with a protrusion, and two sides of the top of the armature are provided with U-shaped clamping grooves clamped with the protrusion, so that the pushing clamp is clamped on the armature.

In one embodiment, the reset spring comprises an installation part inserted to the side of the coil bobbin and a connection part provided with a bending hook, and the bending hook is used for abutting against the bottom of the armature.

In one embodiment, the armature is provided with a limiting groove which is abutted with the bending hook.

In one embodiment, the upper cover of the box body is provided with a box cover.

The relay of the utility model is implemented, the pushing card is clamped and connected with the top of the armature through the first locking block which is respectively arranged on the pushing card and is abutted against the end face of the armature and the second locking block which is inserted and connected with the movable terminal, so that the pushing card and the armature are not easy to fall off in the motion process, and the stability of the relay work is ensured; through setting up the reed that resets to make armature can not drop from magnetic circuit assembly in the motion process, guarantee the normal break-make circuit of relay, guarantee the stability of relay work, improve the life of relay.

Drawings

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

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

fig. 3 is a schematic cross-sectional structure diagram of a relay 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 structural view of an armature according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a movable terminal according to an embodiment of the present invention;

fig. 8 is a schematic structural view of the cooperation of the push card, the armature and the movable terminal according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of the engagement of the push clip, the armature and the movable terminal according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a yoke in 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 stabilized relay includes: the contact assembly that the box body 1, 1 one end of box body is installed and is become by a pair of stationary terminal 9 that sets up side by side and locate the movable terminal 8 between a pair of stationary terminal 9, the box body 1 other end has an accepting groove 10, the accepting groove 10 is built-in and is equipped with the magnetic circuit subassembly, hang in the box body 1 and be equipped with one end joint in the magnetic circuit subassembly, the other end pegs graft in movable terminal 8 and the bottom and the gliding promotion card 7 of a notch one side of accepting groove 10, promotion card 7 promotes movable terminal 8 and is close to and the butt in order to communicate the circuit of relay to stationary terminal 9.

The magnetic circuit component comprises a coil shaft barrel 3, a yoke iron 5 and an armature iron 6, wherein a coil 4 is wound on the outer portion of the coil shaft barrel 3, the yoke iron is of a U-shaped structure, one end of the yoke iron is inserted into the coil shaft barrel 3, the armature iron 6 is suspended on one side of the coil shaft barrel 3, the bottom of the armature iron is abutted to the yoke iron 5, the top of the armature iron 6 is clamped with a pushing card 7 to push the pushing card 7 to slide, a reset spring 30 abutted to the bottom of the armature iron 6 is installed on the side of the coil shaft barrel 3, and the reset spring.

A limiting groove 71 is formed in one end, adjacent to the armature 6, of the push card 7, the limiting groove 71 is provided with a first inner side 713, a second inner side 714 symmetrical to the first inner side 713, a third inner side 715 and a fourth inner side 716 provided with an opening, clamping positions 710 clamped with the two sides of the top of the armature 6 are respectively arranged on the first inner side 713 and the second inner side 714, a first locking block 711 with one end abutting against the end face of the armature 6 is arranged on the third inner side 715 in the thickness direction of the push card 7, and the first locking block 711 is opposite to the opening; a second locking block 70 is arranged on the push card 7 at the other end adjacent to the movable terminal 8 along the thickness direction of the push card 7, a push pin 701 inserted into the movable terminal 8 is arranged on the second locking block 70, and the push pin 701 is used for pushing the movable terminal 8 to move towards the static terminal 9.

In the relay of the utility model, the first locking block 711 abutted against the end face of the armature 6 and the second locking block 701 inserted into the movable terminal 8 are respectively arranged on the pushing card 7, and the pushing card 7 is clamped at the top of the armature 6, so that the pushing card 7 and the armature 6 are not easy to fall off in the movement process, and the working stability of the relay is ensured; through setting up the reed 30 that resets to make armature 6 can not drop from magnetic circuit assembly in the motion process, guarantee the normal break-make circuit of relay, guarantee the stability of relay work, improve the life of relay.

After the magnetic circuit component is electrified, the coil 4 generates a magnetic effect, the yoke iron 5 has magnetism, and the yoke iron 5 adsorbs the armature iron 6 suspended on the side of the coil shaft barrel 3, so that the armature iron 6 drives the pushing card 7 clamped with the armature iron to slide on one side of the notch of the accommodating groove 10 and move along the direction of the coil shaft barrel 3, and simultaneously drives the movable terminal 8 inserted with the armature iron, so that the movable terminal 8 is abutted with the static terminal 9 to communicate the circuit of the relay.

Referring to fig. 7, preferably, the contact assembly includes a movable spring 80 riveted to the movable terminal 8 and disposed between the pair of stationary terminals 9, the movable spring 80 is provided with a hole 801 for inserting the pushing pin 701, the pushing pin 701 is inserted into the hole 801, so as to prevent the pushing card 7 from separating from the movable terminal 8 when the pushing card 7 moves repeatedly, thereby ensuring stable operation of the pushing card 7.

Referring to fig. 2 and 10, preferably, protruding fixing blocks 50 are disposed on two sides of the yoke 5, limiting grooves 101 adapted to the protruding fixing blocks 50 are disposed on two sides of the receiving groove 10, and the protruding fixing blocks 50 are engaged with the limiting grooves 101, so that the magnetic circuit assembly is mounted in the receiving groove 10 and stable in operation when impacted.

The push card 7 is used for connecting the armature 6, and is pushed by the armature 6 to drive the movable spring 80 connected with the push card to approach the stationary terminal 9, so as to ensure the communication of the relay circuit, and in order to ensure the stable connection between the push card 7 and the armature 6 and prevent the push card 7 and the armature 6 from being separated from each other, please refer to fig. 6, further, a protrusion 712 is arranged on the clamping position 710, and U-shaped clamping grooves 60 clamped with the protrusion 712 are arranged on two sides of the top of the armature 6, so as to clamp the push card 7 on the armature 6. That is, the first inner side 713 and the second inner side 714 are clamped on two sides of the armature 6 respectively, so that when the relay is impacted, the inner pushing clamp 7 and the armature 6 cannot be separated, and the pushing clamp 7 and the armature 6 cannot be separated due to long-time work.

The reset spring 30 is used for limiting the swing range of the armature 6 and for resetting the armature 6, so as to ensure the stability of the armature 6 in the operation process, referring to fig. 4, the reset spring 30 includes a mounting portion 301 inserted to the side of the coil bobbin 3, and a connecting portion 302 provided with a bending hook 303, and the bending hook 303 is used for abutting against the bottom of the armature 6. Further, armature 6 is equipped with the spacing groove 61 that colludes 303 butt of bending to guarantee armature 6 stability in the operation process, prevent simultaneously that armature 6 from breaking away from the magnetic circuit subassembly when receiving the impact.

Further, 1 upper cover of box body is equipped with lid 2, prevents that the dust from entering into box body 1 in, avoids the dust to influence the normal function of relay, improves the life of relay.

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

1. A stabilized relay, comprising: the contact assembly comprises a box body (1), one end of the box body (1) is provided with a contact assembly consisting of a pair of static terminals (9) arranged side by side and a movable terminal (8) arranged between the pair of static terminals (9), the other end of the box body (1) is provided with an accommodating groove (10), a magnetic circuit assembly is arranged in the accommodating groove (10), a pushing clamp (7) is arranged in the box body (1) in a suspending manner, one end of the pushing clamp is clamped in the magnetic circuit assembly, the other end of the pushing clamp is inserted in the movable terminal (8), the bottom of the pushing clamp slides with one side of a groove opening of the accommodating groove (10), and the pushing clamp (7) pushes the movable terminal (8) to approach and abut against the static terminals (9) so as to communicate a circuit of;

the magnetic circuit component comprises a coil shaft barrel (3) wound with a coil (4) at the outer part, a yoke (5) which is in a U-shaped structure and one end of which is inserted into the coil shaft barrel (3), and an armature (6) which is suspended on one side of the coil shaft barrel (3) and the bottom of which is abutted against the yoke (5), wherein the top of the armature (6) is clamped with the pushing clamp (7) to push the pushing clamp (7) to slide, a reset reed (30) abutted against the bottom of the armature (6) is arranged on the side of the coil shaft barrel (3), and the reset reed (30) is used for limiting the swinging range of the armature (6);

a limiting groove (71) is formed in one end, close to the armature (6), of the push card (7), the limiting groove (71) is provided with a first inner side (713), a second inner side (714) symmetrical to the first inner side (713), a third inner side (715) and a fourth inner side (716) provided with an opening, clamping positions (710) clamped with two sides of the top of the armature (6) are respectively arranged on the first inner side (713) and the second inner side (714), and a first locking block (711) with one end abutted to the end face of the armature (6) is arranged on the third inner side (715) along the thickness direction of the push card (7); the push card (7) is provided with a second locking block (70) at the position close to the other end of the movable terminal (8) along the thickness direction of the push card (7), the second locking block (70) is provided with a push pin (701) inserted into the movable terminal (8), and the push pin (701) is used for pushing the movable terminal (8) to move towards the static terminal (9).

2. The relay according to claim 1, wherein the contact assembly comprises a movable spring (80) riveted to the movable terminal (8) and arranged between a pair of the fixed terminals (9), the movable spring (80) being provided with a socket (801) for inserting the pushing pin (701).

3. The relay according to claim 1, wherein protruding fixing blocks (50) are arranged on two side sides of the yoke (5), limiting grooves (101) matched with the protruding fixing blocks (50) are arranged on two side sides of the accommodating grooves (10), and the protruding fixing blocks (50) are clamped in the limiting grooves (101).

4. The relay according to claim 1, wherein a protrusion (712) is provided on the detent (710), and a U-shaped slot (60) for clamping with the protrusion (712) is provided on two sides of the top of the armature (6) for clamping the push clip (7) on the armature (6).

5. The relay according to claim 1, wherein the reset spring (30) comprises a mounting portion (301) inserted to the side of the coil bobbin (3) and a connecting portion (302) provided with a bent hook (303), wherein the bent hook (303) is used for abutting against the bottom of the armature (6).

6. The relay according to claim 5, characterized in that the armature (6) is provided with a limit groove (61) abutting against the bent hook (303).

7. The relay according to claim 1, characterized in that the box body (1) is covered with a box cover (2).