CN217239351U - Heavy-load relay - Google Patents

Abstract

The utility model provides a heavy load type relay, including skeleton and shell body, in the shell body was arranged in to the skeleton, be provided with yoke and armature on the skeleton, on yoke and armature all arranged in the skeleton, it is provided with the flexure strip still to connect between yoke and the armature, the one end of flexure strip is fixed to be set up on armature and be provided with the movable contact on the flexure strip, be provided with movable contact point contact complex stationary contact on the skeleton, the other end of flexure strip is fixed to be set up on the yoke, independently be provided with fixed terminal on the yoke, fixed connection between fixed terminal and flexure strip and the yoke. The utility model relates to a heavy load type relay load capacity is bigger, and overall structure is firm, long service life, inner structure sets up rationally.

Description

Heavy-load relay

Technical Field

The utility model relates to a relay technical field, in particular to heavy load type relay.

Background

A relay is an electric control device that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount meets a predetermined requirement. It is applied to automatic control circuit, and it is an "automatic switch" which uses small current to control large current operation, and plays the role of automatic regulation, safety protection, switching circuit, etc. in the circuit.

The existing general relay comprises a base, an armature, an iron core, an electromagnetic coil, a reset piece, a static contact and a moving contact which is linked with one end of the armature, wherein a certain voltage is applied to two ends of the coil, the coil can generate current, so that an electromagnetic effect is generated, the armature can overcome the tension of a return spring under the action of electromagnetic force and is attracted to the iron core, and the moving contact of the armature is driven to be attracted with a static contact (normally open contact). When the coil is powered off, the armature iron can make the moving contact attract the original static contact (normally closed contact). Thereby achieving the purpose of switching on and off in the circuit; however, some existing relays often carry out external load through the iron pins led out from the yoke at one side of the yoke, and carry out limiting fixation on the iron pins through the bottom plate, however, the yoke of the form and the iron pins or the pins can enable the load capacity to be smaller, cannot adapt to the environment of larger load, have certain use limitations, and are easy to cause large load and damage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a big load type relay that load capacity is bigger, overall structure is simple, the inner structure steadiness is better, application range is wider.

(II) technical scheme

In order to solve the above technical problem, the utility model discloses a heavy load type relay, which is characterized in that the relay comprises a framework and a shell, the framework is arranged in the shell, the framework is provided with a yoke and an armature, the yoke and the armature are arranged on the framework, an elastic sheet is further connected and arranged between the yoke and the armature, one end of the elastic sheet is fixedly arranged on the armature, a movable contact is arranged on the elastic sheet, the framework is provided with a fixed contact matched with the movable contact in a contact way, the other end of the elastic sheet is fixedly arranged on the yoke, the yoke is independently provided with a fixed terminal, the fixed terminal is fixedly connected with the elastic sheet and the yoke, the fixed terminal is arranged to replace the traditional iron pin led out by the yoke through the fixed connection of the fixed terminal with the elastic sheet and the yoke, can realize larger load capacity and has longer service life.

Furthermore, the fixed terminal is riveted and is set up on the yoke, can guarantee the fixed terminal with steadiness between the yoke, can guarantee that inner structure's installation is more firm.

Further, the fixed terminal comprises an installation end, the installation end and the yoke are fixedly arranged through riveting, the fixed terminal comprises a contact end, the contact end is arranged on the outer side of the yoke and is in contact fit with an external device, the installation end and the contact end can be arranged to ensure that the structure of the fixed terminal is more reasonable, meanwhile, the fixed terminal can be fixedly installed between the installation end and the yoke, the internal structure is reasonable, the contact end is in contact connection with the external device, and the normal use of the relay can be guaranteed.

Furthermore, riveting holes are formed in the mounting end and correspond to the limiting columns on the yoke, one end of each elastic piece is arranged on the limiting columns in a limiting mode, occupation of space can be reduced due to the arrangement of the riveting holes, riveting fixation between the fixed terminals and the yoke can be guaranteed, and the fixing mode is simpler.

Furthermore, the contact end is connected with the mounting end through an inclined end, the contact end and the yoke are located on the same horizontal plane, and the inclined end can ensure connection between the contact end and the mounting end and can also ensure that the contact end and the yoke are located on the same horizontal plane.

Furthermore, the width of the contact end is smaller than that of the installation end, so that the installation and the limiting are convenient.

Further, one side of skeleton still is provided with the bottom plate, the one end of fixed terminal passes the bottom plate, the setting of bottom plate can be right the contact jaw is installed spacingly, simultaneously can be right the skeleton carries out spacing fixed, guarantees that overall structure sets up more rationally.

Furthermore, a through hole is formed in the bottom plate, the contact end of the fixing terminal penetrates through the through hole to be connected and matched with an external device, the structure can effectively reduce occupied space, the internal structure is reasonable in arrangement, and the fixing terminal and the bottom plate can be conveniently installed and matched through the through hole.

Furthermore, the fixed terminal is made of a copper material, so that better load capacity can be realized.

(III) advantageous effects

The utility model relates to a heavy load type relay lies in for prior art's advantage: have great load capacity, inner structure sets up rationally, and overall structure's steadiness is better, can prolong life effectively simultaneously, through fixed being provided with fixed terminal on the yoke, can improve the load through the contact jaw, the cooperation of contact jaw and bottom plate can guarantee that inner structure's steadiness is better simultaneously, holistic structure is simpler.

Drawings

Fig. 1 is a perspective view of the heavy-duty relay of the present invention;

fig. 2 is a perspective view of the heavy-duty relay of the present invention with its bottom facing upward;

fig. 3 is a perspective view of the heavy-duty relay of the present invention with the outer housing removed;

fig. 4 is a schematic structural view of the heavy-duty relay of the present invention without the outer housing;

fig. 5 is a schematic structural view of the heavy-duty relay of the present invention without the outer housing and the bottom plate;

fig. 6 is a schematic structural view of the heavy-duty relay according to the present invention, with the fixed terminal removed;

fig. 7 is a bottom view of the heavy duty relay of the present invention with the outer housing and bottom plate removed;

wherein: 1 is a framework, 2 is an outer shell, 3 is a yoke, 301 is a limit column, 4 is an armature, 5 is an elastic sheet, 6 is a fixed terminal, 601 is an installation end, 602 is a contact end, 603 is an inclined end, 7 is a riveting hole, 8 is a bottom plate, 9 is a through hole, 10 is a movable contact, 11 is a stationary contact, 1201 is a first stationary spring terminal, and 1202 is a second stationary spring terminal.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 7, a heavy load relay includes a frame 1 and an outer housing 2, the frame 1 is disposed in the outer housing 2, the frame 1 is provided with a yoke 3 and an armature 4, the yoke 3 and the armature 4 are both disposed on the frame 1, an elastic sheet 5 is further disposed between the yoke 3 and the armature 4, one end of the elastic sheet 5 is fixedly disposed on the armature 4 and a movable contact 10 is disposed on the elastic sheet 5, the frame 1 is provided with a stationary contact 11 in contact fit with the movable contact 10, the movable contact 10 is respectively engaged with a first stationary spring terminal 1201 and a second stationary spring terminal 1202 under the action of the elastic sheet 5, the first stationary spring terminal 1201 and the second stationary spring terminal 1202 are both fixedly disposed on the frame 1 and disposed on both sides of the elastic sheet 5, the stationary contact 11 is disposed on the second stationary spring terminal 1202, the other end of the elastic sheet 5 is fixedly disposed on the yoke 3, the yoke 3 is independently provided with a fixed terminal 6, fixed connection between fixed terminal 6 and flexure strip 5 and the yoke 3, in this embodiment, fixed terminal 6 is the copper material, and of course fixed terminal 6 also can be other conducting material, through fixed terminal 6 with flexure strip 5 with the fixed connection setting of yoke 3 will fixed terminal 6 replaces the tradition the iron foot that yoke 3 draws out can realize great load capacity, and life is longer.

Referring to fig. 3 and 4, the fixing terminal 6 is riveted on the yoke 3, so that the stability between the fixing terminal 6 and the yoke 3 can be ensured, and the installation of the internal structure can be ensured to be firmer.

Referring to fig. 4 and 5, the fixed terminal 6 includes an installation end 601, the installation end 601 and the yoke 3 are fixedly arranged by riveting, the fixed terminal 6 includes a contact end 602, the contact end 602 is arranged outside the yoke 3 and is in contact fit with an external device, the installation end 601 and the contact end 602 are arranged to ensure that the structure of the fixed terminal 6 is more reasonable, meanwhile, the installation end 601 and the yoke 3 can be fixedly installed, the internal structure is reasonably arranged, and the contact end 602 is in contact connection with the external device, so that the normal use of the relay can be ensured.

Referring to fig. 3, 4 and 6, a riveting hole 7 is formed in the mounting end 601, the riveting hole 7 corresponds to the limiting column 301 on the yoke 3, one end of the elastic piece 5 is limited on the limiting column 301, the riveting hole 7 can reduce the occupation of space, and meanwhile, the riveting fixation between the fixed terminal 6 and the yoke 3 can be ensured, and the fixing mode is simpler.

Referring to fig. 4 and 5, the contact end 602 is connected to the mounting end 601 through an inclined end 603, the contact end 602 and the yoke 3 are located on the same horizontal plane, and the inclined end 603 can ensure the connection between the contact end 602 and the mounting end 601, and can ensure that the contact end 602 and the yoke 3 are located on the same horizontal plane.

Referring to fig. 3, one side of skeleton 1 still is provided with bottom plate 8, and bottom plate 8 is passed to the one end of fixed terminal 6, setting up of bottom plate 8 can be right contact jaw 602 is installed spacingly, and simultaneously can be right skeleton 1 carries out spacing fixed, guarantees that overall structure sets up more rationally.

The through hole 9 is formed in the bottom plate 8, the contact end 602 of the fixed terminal 6 penetrates through the through hole 9 to be connected and matched with an external device, the occupied space can be effectively reduced, the internal structure is reasonably arranged, and the fixed terminal 6 and the bottom plate 8 can be conveniently installed and matched due to the arrangement of the through hole 9.

This embodiment heavy load type relay has great load capacity through fixed being provided with the fixed terminal on the yoke, and inner structure sets up rationally, and overall structure's steadiness is better, can prolong life effectively simultaneously, can improve the load through the contact jaw simultaneously can, and the cooperation of contact jaw and bottom plate can guarantee that inner structure's steadiness is better simultaneously, and holistic structure is simpler.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A heavy load relay is characterized by comprising a framework (1) and an outer shell (2), the framework (1) is arranged in the outer shell (2), a yoke iron (3) and an armature iron (4) are arranged on the framework (1), the yoke iron (3) and the armature iron (4) are both arranged on the framework (1), an elastic sheet (5) is connected and arranged between the yoke iron (3) and the armature iron (4), one end of the elastic sheet (5) is fixedly arranged on the armature iron (4), a movable contact (10) is arranged on the elastic sheet (5), the framework (1) is provided with a static contact (11) which is in contact fit with the movable contact (10), the other end of the elastic sheet (5) is fixedly arranged on the yoke (3), and the yoke (3) is independently provided with a fixed terminal (6), and the fixed terminal (6) is fixedly connected with the elastic sheet (5) and the yoke (3).

2. The heavy load relay according to claim 1, wherein the fixed terminal (6) is rivet-fitted to the yoke (3).

3. The heavy load relay according to claim 1, wherein the fixed terminal (6) includes a mounting end (601), and the mounting end (601) is fixedly provided to the yoke (3) by caulking.

4. A large load type relay according to claim 3, wherein the fixed terminal (6) includes a contact end (602), and the contact end (602) is disposed outside the yoke (3) to be in contact engagement with an external device.

5. The heavy load relay according to claim 3, wherein the mounting end (601) is provided with a riveting hole (7), the riveting hole (7) corresponds to the limiting post (301) on the yoke (3), and one end of the elastic piece (5) is limited and arranged on the limiting post (301).

6. The heavy load relay according to claim 4, wherein the contact end (602) is connected with the mounting end (601) through an inclined end (603), and the contact end (602) is at the same level with the yoke (3).

7. The heavy load relay according to claim 4, wherein the contact end (602) has a smaller width than the mounting end (601).

8. The heavy load relay according to claim 1, wherein a bottom plate (8) is further provided at one side of the bobbin (1), and one end of the fixed terminal (6) passes through the bottom plate (8).

9. The heavy load relay according to claim 8, wherein the bottom plate (8) is provided with a through hole (9), and the contact end (602) of the fixed terminal (6) passes through the through hole (9) to be connected and matched with an external device.

10. The heavy load relay according to claim 1, wherein the fixed terminal (6) is a copper material.

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