阅读说明：本技术 一种抗冲击的电磁继电器 (Impact-resistant electromagnetic relay ) 是由 李东侠 刘金枪 于 2020-05-20 设计创作，主要内容包括：本发明公开了一种抗冲击的电磁继电器,包括底座、磁路部分、接触部分,磁路部分呈卧式,并包括轭铁、衔铁、铁芯、装于底座的线圈架,以及设置在线圈架上的漆包线,线圈架轴向的一端设有与漆包线电连接的两线圈引出端子,该两线圈引出端子分别穿过底座；线圈架轴向的另一端设有朝向底座的第一固定部,该第一固定部与底座固定连接。本发明的线圈架设置所述第一固定部后,在本发明的线圈架在受到冲击振动时,线圈架轴向的另一端不会浮起,从而提高磁路部分的机械稳定性,提高产品参数的稳定可靠性。(The invention discloses an impact-resistant electromagnetic relay, which comprises a base, a magnetic circuit part and a contact part, wherein the magnetic circuit part is horizontal and comprises a yoke iron, an armature iron, an iron core, a coil frame arranged on the base and an enameled wire arranged on the coil frame; the other axial end of the coil rack is provided with a first fixing part facing the base, and the first fixing part is fixedly connected with the base. After the coil rack is provided with the first fixing part, the other axial end of the coil rack cannot float when the coil rack is subjected to impact vibration, so that the mechanical stability of a magnetic circuit part is improved, and the stability and the reliability of product parameters are improved.)

1. An anti-impact electromagnetic relay comprises a base, a magnetic circuit part and a contact part, wherein the magnetic circuit part is horizontal and comprises a yoke iron, an armature iron, an iron core, a coil frame arranged on the base and an enameled wire arranged on the coil frame; the method is characterized in that: the other axial end of the coil rack is provided with a first fixing part facing the base, and the first fixing part is fixedly connected with the base.

2. An impact-resistant electromagnetic relay according to claim 1, characterized in that: the first fixing part is inserted into a first insertion hole formed in the base, and the first fixing part and the first insertion hole are fixedly bonded through glue.

3. An impact-resistant electromagnetic relay according to claim 1, characterized in that: the coil leading-out terminals are respectively inserted in the base, or one axial end of the coil rack is provided with a second fixing part facing the base, and the second fixing part is fixedly connected with the base.

4. An impact-resistant electromagnetic relay according to claim 3, characterized in that: the second fixing part is inserted into a second jack arranged on the base, and the second fixing part and the second jack are adhered and fixed by glue; the number of the second fixing parts is two, the second fixing parts correspond to the two coil leading-out terminals one to one, and the coil leading-out terminals are respectively arranged on the corresponding second fixing parts.

5. An impact-resistant electromagnetic relay according to claim 4, characterized in that: the second fixed part is bottom open-ended hollow structure, each coil leading-out terminal top is fixed in corresponding second fixed part respectively, and each coil leading-out terminal sets up through second fixed part side respectively outside the opening of stepping down partially stretches out the second fixed part, and with the enameled wire electricity be connected with base interference fit.

6. An impact-resistant electromagnetic relay according to claim 1, characterized in that: the contact part comprises a movable spring and a static spring, and the static spring is arranged on the base and matched with the movable spring; the coil rack, the yoke iron, the iron core, the movable spring and the armature iron are assembled together according to a clapper type structure; the yoke iron is L-shaped, one side of the yoke iron is matched with the upper side of the coil rack and is connected with the movable spring, and the other side of the yoke iron is connected with one end of the iron core; the coil frame is characterized by further comprising a dynamic spring leading-out terminal, the dynamic spring leading-out terminal is ㄣ -shaped, the top of the dynamic spring leading-out terminal is electrically connected with the other side of the yoke, the middle part of the dynamic spring leading-out terminal is located below the enameled wire and extends towards the other axial end of the coil frame, and the bottom of the dynamic spring leading-out terminal penetrates through a third jack arranged on the base downwards and is in interference fit with the third jack.

7. An impact-resistant electromagnetic relay according to claim 6, characterized in that: the movable spring comprises a first sheet body matched with the armature, a second sheet body matched with the yoke and a bending part arranged between the first sheet body and the second sheet body, wherein the bending part is hollowed and arched, and the acting force point and the fixed point of the second sheet body on the yoke are not overlapped and staggered in the width direction of the yoke.

8. An impact-resistant electromagnetic relay according to claim 7, characterized in that: the bending part comprises a plurality of strip sheets which are distributed in parallel at intervals, one end of each strip sheet is integrally connected with the first sheet body, the other end of each strip sheet is integrally connected with the second sheet body, and each strip sheet is arched and is arched.

9. An impact-resistant electromagnetic relay according to claim 7 or 8, characterized in that: the second sheet body comprises a force application part and a fixing part, the other end of each strip sheet and the fixing part are respectively connected with the force application part integrally, and the strip sheets and the fixing part are positioned on the same side of the force application part; the action acting point of the second sheet body on the yoke is positioned at the acting part, and the fixed point of the second sheet body on the yoke is positioned at the fixed part.

10. An impact-resistant electromagnetic relay according to claim 9, characterized in that: the fixing part is positioned in the middle of one side of the force application part, and the fixing part and the force application part form a Chinese character 'shan'; the number of the long strips is two, and the two long strips are located on two opposite sides of the fixing portion.

Technical Field

The invention relates to the field of relays, in particular to an impact-resistant electromagnetic relay.

Background

A relay is an electronic control device, usually used in automatic control circuits, and is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like. The mechanical stability of the magnetic circuit system inside the relay is crucial to the stability and reliability of the product parameters.

Disclosure of Invention

The invention provides an impact-resistant electromagnetic relay aiming at the technical problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: an anti-impact electromagnetic relay comprises a base, a magnetic circuit part and a contact part, wherein the magnetic circuit part is horizontal and comprises a yoke iron, an armature iron, an iron core, a coil frame arranged on the base and an enameled wire arranged on the coil frame; the other axial end of the coil rack is provided with a first fixing part facing the base, and the first fixing part is fixedly connected with the base.

Furthermore, the first fixing part is inserted into a first insertion hole formed in the base, and the first fixing part and the first insertion hole are bonded and fixed through glue.

Further, the coil leading-out terminals are respectively inserted into the base, or one axial end of the coil rack is provided with a second fixing part facing the base, and the second fixing part is fixedly connected with the base.

Furthermore, the second fixing part is inserted into a second insertion hole formed in the base, and the second fixing part and the second insertion hole are bonded and fixed through glue.

Furthermore, the number of the second fixing parts is two, the two second fixing parts correspond to the two coil leading-out terminals one to one, and each coil leading-out terminal is arranged on the corresponding second fixing part respectively.

Further, the second fixed part is bottom open-ended hollow structure, each coil leading-out terminal top is fixed in corresponding second fixed part respectively, and each coil leading-out terminal sets up through second fixed part side respectively outside the opening of stepping down partially stretches out the second fixed part, and with the enameled wire electricity be connected and with base interference fit.

Furthermore, the contact part comprises a movable spring and a static spring, and the static spring is arranged on the base and matched with the movable spring; the coil rack, the yoke iron, the iron core, the movable spring and the armature iron are assembled together according to a clapper type structure; the yoke iron is L-shaped, one side of the yoke iron is matched with the upper side of the coil rack and is connected with the movable spring, and the other side of the yoke iron is connected with one end of the iron core; the coil frame is characterized by further comprising a dynamic spring leading-out terminal, the dynamic spring leading-out terminal is ㄣ -shaped, the top of the dynamic spring leading-out terminal is electrically connected with the other side of the yoke, the middle part of the dynamic spring leading-out terminal is located below the enameled wire and extends towards the other axial end of the coil frame, and the bottom of the dynamic spring leading-out terminal penetrates through a third jack arranged on the base downwards and is in interference fit with the third jack.

Furthermore, the movable spring comprises a first sheet body matched with the armature, a second sheet body matched with the yoke iron, and a bending part arranged between the first sheet body and the second sheet body, wherein the bending part is hollow and arched, and the acting force point and the fixed point of the second sheet body on the yoke iron are not overlapped and staggered in the width direction of the yoke iron.

Furthermore, the bending part comprises a plurality of strip sheets which are distributed in parallel at intervals, one end of each strip sheet is integrally connected with the first sheet body, the other end of each strip sheet is integrally connected with the second sheet body, and each strip sheet is arched and is in an arch shape.

Furthermore, the second sheet body comprises a force application part and a fixing part, the other end of each strip sheet and the fixing part are respectively connected with the force application part integrally, and the strip sheets and the fixing part are positioned on the same side of the force application part; the action acting point of the second sheet body on the yoke is positioned at the acting part, and the fixed point of the second sheet body on the yoke is positioned at the fixed part.

Furthermore, the fixing part is positioned in the middle of one side of the force application part, and the fixing part and the force application part form a T shape or a Chinese character 'shan' shape; the number of the long strips is two, and the two long strips are located on two opposite sides of the fixing portion.

Compared with the prior art, the invention has the following beneficial effects:

1. the other axial end of the coil rack is provided with the first fixing part facing the base, and the first fixing part is fixedly connected with the base, so that the other axial end of the coil rack cannot float when the coil rack is subjected to impact vibration, the mechanical stability of a magnetic circuit part is improved, and the stability and the reliability of product parameters are improved.

2. The invention is further provided with the second fixing part, and the second fixing part is utilized to effectively fix one axial end of the coil rack, so that the magnetic circuit system of the invention realizes bilateral effective fixation, and the position of the magnetic circuit part of the invention can not change when a product is subjected to great vibration and impact, thereby ensuring stable and reliable product parameters.

3. The number of the second fixing parts is two, the two second fixing parts correspond to the two coil leading-out terminals one to one, and the coil leading-out terminals are respectively arranged on the corresponding second fixing parts, so that the second fixing parts can be directly matched with the base matching parts corresponding to the coil leading-out terminals, other spaces of the base cannot be occupied, and the whole body can be made to be more compact. And the two second fixing parts form triangular fixing points with the first fixing part, so that the mechanical stability of the whole magnetic circuit system can be greatly improved, and the impact resistance of the magnetic circuit system is greatly improved.

4. The movable spring leading-out terminal is ㄣ -shaped, the top of the movable spring leading-out terminal is electrically connected with the other side of the yoke, the middle part of the movable spring leading-out terminal is positioned below the enameled wire and extends towards the other axial end of the coil frame, the bottom of the movable spring leading-out terminal downwards penetrates through the third jack arranged on the base and is in interference fit with the third jack, on one hand, the movable spring leading-out terminal can be prevented from the coil leading-out terminal, on the other hand, the movable spring leading-out terminal can be matched with the base, the firmness of connection of the magnetic circuit system and the base is improved, and therefore the mechanical stability of.

5. The bending part is hollow and arched, so that the flexibility and the length of the movable spring can be increased, and the action amplitude of the movable spring is reduced; the action force point of the second sheet body on the yoke is not overlapped with the fixed point, and is staggered in the width direction of the yoke, so that the fixed point of the second sheet body on the yoke can not be concentrated on stress when the movable spring piece acts, and the part of the movable spring on the fixed point of the yoke is not easy to fatigue fracture. Thus, the dynamic spring of the present invention can achieve long durability.

6. The bending part comprises a plurality of long strips which are distributed in parallel at intervals, so that the bending part of the movable spring can be as narrow as possible under the condition of ensuring the current-carrying capacity, and the flexibility of the movable spring is further increased. Particularly, the long strip is in an arc shape, so that the movable spring can be longest under the condition of space allowance, the action amplitude of the movable spring is further reduced, and the long durability of the movable spring is further improved.

7. The second sheet body comprises a force application part and fixing parts, and each strip sheet and the fixing parts are positioned on the same side of the force application part, so that the fixing parts do not additionally occupy the length space of the movable spring, the length of the strip sheets can be lengthened as much as possible, and the action amplitude of the movable spring is reduced to the greatest extent.

8. The fixed part and the force application part form a Chinese character 'shan', a gap is formed between the fixed part and the left side and the right side of the force application part, and the force application part can tilt when the movable spring acts, so that the pulling buffer effect is achieved, and the position where the fixed point of the movable spring is located is further ensured not to be prone to fatigue fracture.

The invention is further explained in detail with the accompanying drawings and the embodiments; an impact-resistant electromagnetic relay of the present invention is not limited to the embodiments.

Drawings

FIG. 1 is a schematic perspective view of the present invention (without the housing);

FIG. 2 is a schematic perspective view of the magnetic circuit portion of the present invention (without the armature);

FIG. 3 is a schematic perspective view of a magnetic circuit portion of the present invention (without a magnet);

fig. 4 is a schematic structural view of the yoke and the movable spring lead-out terminal of the present invention in a combined state;

FIG. 5 is a schematic perspective view of the base of the present invention (with a static spring);

FIG. 6 is a cross-sectional view of the present invention one (without the housing);

FIG. 7 is a schematic perspective view of the power spring of the present invention;

FIG. 8 is a schematic perspective view of the present invention (without the housing);

fig. 9 is a cross-sectional view of the second embodiment of the present invention (including the housing).

Detailed Description