CN213691891U

CN213691891U - Anti limit structure that falls of relay

Info

Publication number: CN213691891U
Application number: CN202023239437.0U
Authority: CN
Inventors: 沈永祝
Original assignee: Ningbo Huilongcang Electronics Co ltd
Current assignee: Ningbo Huilongcang Electronics Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-07-13
Anticipated expiration: 2030-12-29

Abstract

The utility model provides an anti limit structure that falls of relay, include: arrange yoke and armature on the skeleton in, yoke and armature pass through the movable contact spring and connect, be provided with the limit structure who is used for spacing armature between yoke and the armature, limit structure arranges the one end of armature in, limit structure realizes the spacing to armature through bellying and yoke cooperation, the one end of movable contact spring is arranged in to the yoke, the other end of movable contact spring is arranged in to armature, the bellying is arranged in the yoke one end that is close to armature, the bellying is provided with one at least, limit structure includes hook portion, hook portion arranges the one end of bellying in, hook portion arranges the outside of yoke in. The utility model relates to an anti limit structure that falls of relay can play limiting displacement to armature and movable contact spring, prevents that the relay from making armature and movable contact spring take place the dislocation when receiving to drop or striking, break away from and warp and the relay parameter that leads to is bad, improves the anti performance and the life of falling of relay.

Description

Anti limit structure that falls of relay

Technical Field

The utility model relates to a relay technical field, in particular to anti limit structure that falls of 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 usually 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 reached switch on in the circuit, the purpose of cutting off, however among the current relay structure, mostly be not provided with the limit structure to armature, thereby make armature take place the dislocation in long-term use and break away from the result of use that the movable spring influenced the relay, thereby its inside structure setting of current relay is all comparatively complicated with the installation in addition, occupation space is big, in case the internals damages, dismouting and maintenance are difficult, and easily influence the normal use of relay, there is the influence to the whole fastness and the life of relay.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide an anti limit structure that falls of relay that has to armature limit structure, can play spacing stabilizing action, whole fastness good, inner structure is simple and long service life to armature and yoke, the reliability of fine assurance relay when the relay receives to fall or the striking.

(II) technical scheme

In order to solve the technical problem, the utility model discloses an anti limit structure that falls of relay, include: arrange yoke and armature on the skeleton in, the yoke with armature passes through the movable reed and connects, the yoke with be provided with between the armature and be used for spacingly the limit structure of armature, limit structure arranges in the one end of armature, limit structure pass through the bellying with the yoke cooperation is realized right the spacing of armature, and the setting of this structure can utilize limit structure is right armature carries on spacingly, utilizes the setting of bellying makes the one end of armature can spacing setting be in on the yoke, prevent because armature with movable reed makes when receiving to drop or striking armature and movable reed take place the dislocation, break away from and warp and the relay parameter that leads to bad, holistic simple structure can be right armature plays better limiting displacement.

Furthermore, the yoke is arranged at one end of the movable spring, the armature is arranged at the other end of the movable spring, the protruding part is arranged at one end, close to the armature, of the yoke, at least one protruding part is arranged, the armature and the yoke can be limited by the aid of the protruding part, the armature is prevented from being separated and falling off after long-time use, and stability of the relay structure is guaranteed.

Further, limit structure includes hook portion, hook portion arranges in the one end of bellying, hook portion arranges in the outside of yoke, hook portion's lower terminal surface is less than the lower terminal surface of armature, hook portion is last to be formed with the pothook inclined plane, pothook inclined plane slope sets up hook portion is close to one side of yoke, and setting up of this structure can utilize hook portion will the armature pothook is in one side of yoke, thereby it is right armature plays limiting displacement, limit structure is comparatively simple, and spacing effectual, and can not influence the range of movable reed action, can effectively prolong armature with the life of yoke.

Furthermore, be provided with the dog on the lower terminal surface of armature, the dog is arranged in the yoke is kept away from one side of movable reed, the dog with the bellying corresponds the realization right armature is spacing, be provided with the end stop piece on the movable reed, the outside arch of one end of armature is formed with the boss, the boss with the cooperation of end stop piece, the setting of this structure utilizes the dog with the setting of end stop piece, can combine bellying with hook portion is further to armature plays spacing effect, makes holistic structure more stable.

Further, still be provided with the coil on the skeleton, the coil passes through the iron core suit and sets up on the skeleton, one side of skeleton be provided with the electrically conductive terminal pin of coil connection, armature with be formed with the magnetism chamber between the skeleton the magnet steel is installed to one side of yoke, the magnet steel with the coil is arranged in the magnetism chamber, the setting of this structure utilizes the coil with the iron core is guaranteed the normal use of relay can further improve the life and the result of use of relay.

Furthermore, be provided with quiet spring and lower quiet spring on the skeleton, the one end of movable reed is arranged in go up quiet spring with between the quiet spring down, the one end of armature is arranged in the both sides of bellying are seted up flutedly, and this structure is simpler on the whole, can guarantee the normal use of relay.

(III) advantageous effects

The utility model relates to an anti limit structure that falls of relay lies in for prior art's advantage: can play the limiting displacement to armature and movable spring, prevent that the relay from receiving and make when dropping or striking armature and movable spring take place the dislocation, break away from and warp and the relay parameter that leads to is bad, is provided with limit structure, utilizes bellying and pothook portion with the spacing setting of one end of armature on the yoke, plays spacing effect to the yoke, in addition through the setting of dog and backstop piece, can guarantee the cooperation of armature and movable spring, overall structure is simple, and inner structure sets up more rationally.

Drawings

Fig. 1 is a perspective view of an anti-falling limit structure relay of the utility model;

fig. 2 is an exploded view of an anti-falling limit structure relay of the present invention;

fig. 3 is a cross-sectional view of an anti-falling limit structure relay of the present invention;

fig. 4 is an enlarged view of the position a of the anti-falling limit structure of the relay of the present invention;

fig. 5 is a perspective view of an anti-falling limit structure of the relay of the present invention;

fig. 6 is a bottom-up perspective view of an anti-falling limit structure of the relay of the present invention;

fig. 7 is a perspective view of an anti-falling limit structure armature of the relay of the present invention;

fig. 8 is a bottom-up perspective view of an armature of an anti-falling limit structure of the relay according to the present invention;

wherein: 1 is a framework, 101 is a magnetic cavity, 2 is a yoke, 3 is an armature, 401 is a bulge, 402 is a hook part, 5 is a hook inclined plane, 6 is a stop block, 7 is a stop piece, 8 is a boss, 9 is a coil, 10 is an iron core, 11 is a lead pin, 12 is magnetic steel, 13 is an upper static spring, 14 is a lower static spring, 15 is a groove, and 16 is a movable spring.

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 8, an anti-falling limit structure of a relay includes: arrange yoke 2 and armature 3 on skeleton 1 in, yoke 2 and armature 3 pass through movable reed 16 and connect, are provided with the limit structure who is used for spacing armature 3 between yoke 2 and the armature 3, and the one end of armature 3 is arranged in to limit structure, and limit structure realizes the spacing to armature 3 through bellying 401 and yoke 2 cooperation, and the both sides that bellying 401 was arranged in to the one end of armature 3 are seted up flutedly 15, can reduce manufacturing cost, and is concrete: an external power supply is connected with a lead pin 11, current flows to a coil 9 through the lead pin 11 and the coil 9 is enabled to be conductive to generate a magnetic field, so that an iron core 10 has magnetic force to generate attraction force on an armature 3, the armature 3 and a movable reed 16 are attracted downwards and attached to one end of the iron core 10, the lead pin 11 is disconnected from the current at the moment, a magnetic steel 12 is arranged in a magnetic cavity 101, a magnetic closed loop is formed among the armature 3, a yoke 2, the magnetic steel 12 and the iron core 10, the iron core 10 can keep the original magnetic attraction force under the action of the magnetic steel 12 and can continuously attract the armature 3 and act on one end of the iron core 10, when the armature 2 is required to be separated from the iron core 10, the armature 3 can be restored to an initial state only by introducing reverse current, the process can enable the armature 3 and the movable reed 16 to keep the attraction state with the iron core 10 for a long time, and dislocation between the armature 3 and the movable reed 16 and the iron core 10 can, Thereby break away from and warp and the bad result in parameter influence relay's result of use, holistic simple structure, spacing effectual can effectively prolong relay's life.

Referring to fig. 2 to 6, the yoke 2 is disposed at one end of the movable spring 16, the armature 3 is disposed at the other end of the movable spring 16, the protrusion 401 is disposed at one end of the yoke 2 close to the armature 3, and at least one protrusion 401 is disposed, in this embodiment, 2 protrusions 401 are disposed and respectively disposed at the left and right sides of the armature 3, the setting of the protrusion 401 can limit the armature 3, so that the armature 3 is limited and disposed at one side of the yoke 2, and normal use of the relay is ensured.

Referring to fig. 2, fig. 7 and fig. 8, the limit structure includes a hook portion 402, the hook portion 402 is disposed at one end of the protrusion 401, the hook portion 402 is disposed at the outer side of the yoke 2, the lower end surface of the hook portion 402 is lower than the lower end surface of the armature 3, a hook inclined surface 5 is formed on the hook portion 402, the hook inclined surface 5 is obliquely disposed at one side of the hook portion 402 close to the yoke 2, the armature 3 is hooked at one side of the yoke 2 by the hook portion 402, so that the limit structure is simple, the limit effect is good, and the service lives of the armature 3 and the yoke 2 can be effectively prolonged.

Referring to fig. 2, 3 and 4, a stop block 6 is arranged on the lower end face of the armature 3, the stop block 6 is arranged on one side, away from the movable spring 16, of the yoke 2, the stop block 6 corresponds to the protruding portion 401 to limit the armature 3, a stop piece 7 is arranged on the movable spring 16, a boss 8 is formed at one end of the armature 3 protruding outwards, the boss 8 is matched with the stop piece 7, and the stop block 6 and the stop piece 7 are arranged to further limit the armature 3 by combining the protruding portion 401 and the hook portion 402, so that the overall structure is more stable.

Referring to fig. 1-4, a coil 9 is further arranged on the framework 1, the coil 9 is sleeved on the framework 1 through an iron core 10, a lead pin 11 connected with the coil 9 and conducting electricity is arranged on one side of the framework 1, a magnetic cavity 101 is formed between the armature 3 and the framework 1, a magnetic steel 12 is installed on one side of the yoke 2, the magnetic steel 12 and the coil 9 are arranged in the magnetic cavity 101, an upper static spring 13 and a lower static spring 14 are arranged on the framework 1, one end of a movable spring piece 16 is arranged between the upper static spring 13 and the lower static spring 14, the coil 9 and the iron core 10 guarantee normal use of the relay, and the service life and the use effect of the relay can be further prolonged.

The anti limit structure that falls of this embodiment relay is through being provided with limit structure, utilize bellying and pothook portion with the spacing setting of one end of armature on the yoke, play spacing effect to armature, in addition through the setting of dog and backstop piece, can guarantee the cooperation of armature and movable reed, overall structure is simple, the inner structure sets up more rationally, can play the limiting displacement to armature and movable reed, make armature and movable reed take place the dislocation when preventing that the relay from receiving to drop or striking, break away from and warp and lead to the relay parameter bad. 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

1. The utility model provides an anti limit structure that falls of relay which characterized in that includes: arrange yoke (2) and armature (3) on skeleton (1) in, yoke (2) with armature (3) are connected through movable reed (16), yoke (2) with be provided with between armature (3) and be used for spacingly the limit structure of armature (3), limit structure arranges in the one end of armature (3), limit structure pass through bellying (401) with yoke (2) cooperation is realized just armature (3) are spacing, guarantee parameter stability when the relay receives to drop or the striking.

2. The anti-falling limit structure of the relay according to claim 1, characterized in that the yoke (2) is disposed at one end of the movable spring (16), the armature (3) is disposed at the other end of the movable spring (16), the protrusion (401) is disposed at one end of the yoke (2) close to the armature (3), and at least one protrusion (401) is disposed.

3. The anti-falling limit structure of the relay according to claim 1, characterized in that the limit structure comprises a hook portion (402), the hook portion (402) is disposed at one end of the boss portion (401), and the hook portion (402) is disposed at an outer side of the yoke (2).

4. The anti-falling limit structure of the relay according to claim 3, characterized in that the lower end surface of the hook part (402) is lower than the lower end surface of the armature (3), a hook inclined surface (5) is formed on the hook part (402), and the hook inclined surface (5) is obliquely arranged on one side of the hook part (402) close to the yoke (2).

5. The anti-falling limit structure of the relay according to claim 1, characterized in that a stop (6) is arranged on the lower end face of the armature (3), the stop (6) is arranged on the side of the yoke (2) far away from the movable spring (16), and the stop (6) corresponds to the protruding portion (401) to limit the armature (3).

6. The anti-falling limit structure of the relay according to claim 1, wherein a stop piece (7) is arranged on the movable spring (16), a boss (8) is formed by protruding one end of the armature (3), and the boss (8) is matched with the stop piece (7).

7. The anti-falling limit structure of the relay according to claim 1, characterized in that a coil (9) is further arranged on the frame (1), the coil (9) is sleeved on the frame (1) through an iron core (10), and one side of the frame (1) is provided with a terminal pin (11) which is connected with the coil (9) for conducting electricity.

8. The anti-falling limit structure of the relay according to claim 7, characterized in that a magnetic cavity (101) is formed between the armature (3) and the frame (1), a magnetic steel (12) is installed on one side of the yoke (2), and the magnetic steel (12) and the coil (9) are arranged in the magnetic cavity (101).

9. The anti-falling limit structure of the relay according to claim 1, characterized in that an upper static spring (13) and a lower static spring (14) are arranged on the framework (1), and one end of the movable spring (16) is arranged between the upper static spring (13) and the lower static spring (14).

10. The anti-falling limit structure of the relay according to claim 1, wherein one end of the armature (3) is arranged on two sides of the bulge part (401) and is provided with a groove (15).