Electromagnet

By designing a combined structure of yoke assembly, moving iron core, elastic member and abutment seat in the electromagnet, the problem of product damage caused by spring deviation is solved, and the stability and compactness of the electromagnet are achieved.

CN222672732UActive Publication Date: 2025-03-25NINGBO TIANBO GANGLIAN ELECTRONICS
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Patent Information

Application Number
CN202420909054.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2025-03-25
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

When the existing electromagnet moves backward, the spring is prone to deviating from the moving core, resulting in product damage.

Method used

An electromagnet is designed, including a yoke assembly, a moving iron core, an elastic member and abutment seat. The moving iron core passes through the lower yoke, and an annular mounting groove and a snap ring are provided at one end thereof. The elastic member sleeve is arranged on the moving iron core and is arranged on the lower yoke against the seat to define the position of the elastic member and prevent it from being offset.

Benefits of technology

It effectively prevents the deviation of the spring, ensures the stability and service life of the electromagnet, and achieves the advantages of compact layout, simple structure and high practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of electromagnets, in particular to an electromagnet which comprises a yoke assembly, a movable iron core, an elastic piece and an abutting seat, the yoke assembly comprises a lower yoke, the movable iron core penetrates through the lower yoke and is arranged to be movable by a preset distance, and in addition, the movable iron core penetrates through the lower yoke and is arranged to be movable by a preset distance. An annular mounting groove is further formed in one end, deviating from the lower yoke, of the movable iron core, a clamping ring is further arranged in the annular mounting groove, the elastic piece is arranged on the movable iron core in a sleeving mode, one end of the elastic piece abuts against the clamping ring, the abutting seat is arranged on the lower yoke, the movable iron core further penetrates through the abutting seat, and the elastic piece is sleeved with the abutting seat. In addition, the other end of the elastic piece abuts against the abutting seat. According to the utility model, the advantages that the spring is not easy to deviate, the layout is compact, the structure is simple and the practicability is high can be realized by effectively utilizing the structural configuration of the spring.
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Description

Technical Field

[0001] The present application relates to the field of electromagnets, and more specifically to an electromagnet. Background Art

[0002] like Figure 6 As shown in the previous electromagnet of our company, the moving iron core will compress the spring on the moving iron core during the process of moving back, and the inner diameter of the spring is larger than the size of the moving iron core. After the magnet is operated, the spring on the moving iron core will be offset, so there is a high probability that the spring will be separated from the moving iron core, which will cause damage to the product. Therefore, it is necessary to improve this part to prevent the spring from being offset.

[0003] Therefore, there is a need to provide an electromagnet with a spring that is not easily deflected, a compact layout, a simple structure, and high practicality. Utility Model Content

[0004] The main purpose of the present application is to provide an electromagnet, wherein the electromagnet can effectively utilize its own structural configuration to achieve the advantages of a spring that is not easily deflected and a compact layout.

[0005] Another object of the present application is to provide an electromagnet, wherein the electromagnet includes a yoke assembly, a moving iron core, an elastic member and an abutment seat, the yoke assembly includes a lower yoke, the moving iron core passes through the lower yoke, and the moving iron core is configured to be movable a predetermined distance, in addition, the moving iron core has an annular mounting groove at one end away from the lower yoke, a retaining ring is also provided in the annular mounting groove, the elastic member is sleeved on the moving iron core, and one end of the elastic member abuts on the retaining ring, the abutment seat is provided on the lower yoke, and the moving iron core also passes through the abutment seat, and in addition, the other end of the elastic member abuts on the abutment seat, wherein the abutment seat is configured to limit the position of the elastic member to prevent the elastic member from being compressed multiple times and offset by a predetermined distance.

[0006] Another object of the present application is to provide an electromagnet, wherein the electromagnet has a simple structure, is easy to operate, does not involve complicated manufacturing processes and expensive materials, has high economy, and is easy to promote and use.

[0007] In order to achieve at least one of the above-mentioned invention purposes, the present application provides an electromagnet, wherein the electromagnet comprises:

[0008] A yoke assembly, the yoke assembly comprising a lower yoke;

[0009] a moving iron core, the moving iron core passes through the lower yoke, and the moving iron core is configured to be movable by a predetermined distance, and in addition, an end of the moving iron core away from the lower yoke is further provided with an annular mounting groove, and a clamping ring is further provided in the annular mounting groove;

[0010] an elastic member, wherein the elastic member is sleeved on the moving iron core, and one end of the elastic member abuts against the clamping ring;

[0011] A support seat is arranged on the lower yoke, and the moving iron core also passes through the support seat, and the other end of the elastic member is against the support seat.

[0012] In one or more embodiments of the present application, the yoke assembly includes an upper yoke, the upper yoke having an opening and a first cavity, the first cavity is connected to the opening, and both ends of the first cavity are also connected to the outside, and the upper yoke also has a first connecting portion and a second connecting portion, the first connecting portion is located on one side of the upper yoke, and the second connecting portion is located on the other side of the upper yoke, and the first connecting portion and the second connecting portion are formed integrally with the upper yoke.

[0013] In one or more embodiments of the present application, the upper yoke is provided with two oppositely arranged notches at one end of the first cavity, and the two notches are also connected to the first cavity. The lower yoke is arranged in the opening, and the two ends of the lower yoke are riveted in the two notches respectively.

[0014] In one or more embodiments of the present application, the bottom wall forming the first cavity also has a first insertion hole, the first insertion hole passes through the upper yoke, and the center of the lower yoke also has a second insertion hole, the second insertion hole passes through the lower yoke, and the first insertion hole is also opposite to the second insertion hole.

[0015] In one or more embodiments of the present application, the electromagnet also includes a skeleton, one end of the skeleton is against the bottom wall forming the first cavity, and the other end is in contact with the side of the lower yoke close to the first cavity, the skeleton also has a third insertion hole, one end of the third insertion hole is opposite to the first insertion hole, and the other end is opposite to the second insertion hole, and an enameled wire is also provided on the skeleton, and the enameled wire is placed in the first cavity.

[0016] In one or more embodiments of the present application, the electromagnet also includes a guide rod, which is placed in the third insertion hole, and one end of the guide rod is in contact with the bottom wall forming the first cavity and faces the first insertion hole, and the other end of the guide rod passes through the second insertion hole and the third insertion hole in sequence and is placed outside.

[0017] In one or more embodiments of the present application, the electromagnet also includes a static iron core, which is placed in the third insertion hole, and one end of the static iron core also passes through the first insertion hole and is placed outside, and the moving iron core is also placed in the third insertion hole, and one end of the moving iron core cooperates with an end of the static iron core away from the first insertion hole, and the other end of the moving iron core also passes through the third insertion hole and is located on the side of the lower yoke away from the upper yoke.

[0018] In one or more embodiments of the present application, the retaining ring is an E-shaped retaining ring.

[0019] In one or more embodiments of the present application, the electromagnet also includes a lock core and a plastic plug, one end of the lock core passes through the static iron core and cooperates with one end of the moving iron core close to the static iron core, and the other end is located on the side of the upper yoke away from the lower yoke, and the plastic plug is fixedly connected to the end of the lock core located on the side of the upper yoke away from the lower yoke. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] These and / or other aspects and advantages of the present application will become clearer and easier to understand from the following detailed description of the embodiments of the present application in conjunction with the accompanying drawings, in which:

[0021] Figure 1 The figure shows a schematic diagram of the structure of an electromagnet.

[0022] Figure 2 The figure shows a schematic structural diagram of the yoke assembly.

[0023] Figure 3 The figure shows a partial structure of an electromagnet. Figure 1 .

[0024] Figure 4 The figure shows a partial structure of an electromagnet. Figure 2 .

[0025] Figure 5 The figure shows a partial structure of an electromagnet. Figure 3 .

[0026] Figure 6 The figure shows a partial structural schematic diagram of the previous electromagnet. DETAILED DESCRIPTION

[0027] The terms and words used in the following specification and claims are not limited to the literal meanings, but are merely used by the inventor to enable a clear and consistent understanding of the present application. Therefore, it will be apparent to those skilled in the art that the following description of various embodiments of the present application is provided for illustrative purposes only and not for the purpose of limiting the present application as defined by the appended claims and their equivalents.

[0028] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0029] Although ordinals such as "first," "second," and the like will be used to describe various components, those components are not limited herein. The term is used only to distinguish one component from another. For example, a first component may be referred to as a second component, and likewise, a second component may be referred to as a first component without departing from the teachings of the utility model concept. The term "and / or" as used herein includes any and all combinations of one or more associated listed items.

[0030] The terms used herein are only used for the purpose of describing various embodiments and are not intended to be limiting. As used herein, singular forms are intended to also include plural forms, unless the context clearly indicates an exception. In addition, it will be understood that the terms "including" and / or "having" when used in this specification specify the presence of the described features, numbers, steps, operations, components, elements or combinations thereof, without excluding the presence or addition of one or more other features, numbers, steps, operations, components, elements or groups thereof.

[0031] Schematic electromagnet

[0032] refer to Figures 1 to 5 According to an electromagnet of a preferred embodiment of the utility model, it should be noted that the structure of the electromagnet is as follows Figure 1 As shown, it includes a yoke assembly 10, and the yoke assembly 10 includes an upper yoke 11, the upper yoke 11 has an opening 1101 and a first cavity 1102, the first cavity 1102 is connected to the opening 1101, and the two ends of the first cavity 1102 are also connected to the outside, and the upper yoke 11 also has a first connecting portion 111 and a second connecting portion 112, the first connecting portion 111 is located on one side of the upper yoke 11, and the second connecting portion 112 is located on the other side of the upper yoke 11, and the first connecting portion 111 and the second connecting portion 112 are formed integrally with the upper yoke 11. It is worth mentioning that the first connecting portion 111 and the second connecting portion 112 each have an assembly hole, and the user can match the external connecting piece with the two assembly holes to limit the position of the upper yoke 11.

[0033] It should also be noted that the upper yoke 11 is provided with two oppositely arranged notches 1103 at one end of the first cavity 1102, and the two notches 1103 are also connected to the first cavity 1102, wherein the yoke assembly 10 also includes a lower yoke 12, and the lower yoke 12 is arranged in the opening 1101, and the two ends of the lower yoke 12 are respectively riveted in the two notches 1103, thereby limiting the position of the lower yoke 12.

[0034] Furthermore, the bottom wall forming the first cavity 1102 also has a first insertion hole 1104, the first insertion hole 1104 passes through the upper yoke 11, and the center of the lower yoke 12 also has a second insertion hole 1201, the second insertion hole 1201 passes through the lower yoke 12, and the first insertion hole 1104 is also opposite to the second insertion hole 1201.

[0035] Specifically, the electromagnet further includes a skeleton 20, one end of which abuts against the bottom wall forming the first cavity 1102, and the other end contacts the side of the lower yoke 12 close to the first cavity 1102, that is, when the lower yoke 12 is riveted to the upper yoke 11, the lower yoke 12 will squeeze the skeleton 20 placed in the first cavity 1102, thereby limiting the position of the skeleton 20. It should be noted that the skeleton 20 also has a third insertion hole 201, one end of the third insertion hole 201 faces the first insertion hole 1104, and the other end faces the second insertion hole 1201. It should also be noted that an enameled wire 30 is also provided on the skeleton 20, and the enameled wire 30 is placed in the first cavity 1102.

[0036] Further, the size of the second insertion hole 1201 is larger than the size of the first insertion hole 1104, and the size of the second insertion hole 1201 is consistent with the third insertion hole 201. The electromagnet further includes a guide rod 40, which is placed in the third insertion hole 201, and one end of the guide rod 40 contacts the bottom wall forming the first cavity 1102 and faces the first insertion hole 1104, and the other end of the guide rod 40 passes through the second insertion hole 1201 and the third insertion hole 201 in sequence and is placed outside. It is worth mentioning that the guide rod 40 is a hollow guide rod 40.

[0037] It should be noted that the electromagnet also includes a moving iron core 50 and a static iron core 60, the static iron core 60 is placed in the third insertion hole 201, and one end of the static iron core 60 also passes through the first insertion hole 1104 and is placed outside, and the moving iron core 50 is also placed in the third insertion hole 201, and one end of the moving iron core 50 cooperates with the end of the static iron core 60 away from the first insertion hole 1104, and the other end of the moving iron core 50 also passes through the third insertion hole 201 and is located on the side of the lower yoke 12 away from the upper yoke 11. That is, the end of the moving iron core 50 placed outside is spaced a distance from the lower yoke 12, and those skilled in the art should understand that when the electromagnet is energized, the moving iron core 50 is configured to be able to move a predetermined distance toward the static iron core 60, so that the end of the moving iron core 50 is matched with the end of the static iron core 60, and at the same time, the distance between the end of the moving iron core 50 placed outside and the lower yoke 12 becomes smaller.

[0038] It should be noted that the end of the moving iron core 50 located on the side of the lower yoke 12 away from the upper yoke 11 also has an annular mounting groove 501, and a clamping ring 70 is also arranged in the annular mounting groove 501. The structure of the clamping ring 70 is as follows: Figure 4 As shown, the above-mentioned snap ring 70 is implemented as an E-shaped snap ring, that is, the E-shaped snap ring can ensure that the snap ring 70 and the annular mounting groove 501 cooperate more securely, so that the snap ring 70 is not easy to separate from the annular mounting groove 501.

[0039] Specifically, the electromagnet further includes an elastic member 80, the elastic member 80 cooperates with the end of the moving iron core 50 located on the side of the lower yoke 12 away from the upper yoke 11, and one end of the elastic member 80 contacts the side of the lower yoke 12 away from the upper yoke 11, and the other end abuts against the retaining ring 70. That is, the retaining ring 70 can limit the position of the elastic member 80, and the elastic member 80 is implemented as a spring. It is worth mentioning that when the electromagnet is energized, the moving iron core 50 is configured to be able to move a predetermined distance in the direction close to the static iron core 60, and at the same time, the retaining ring 70 moves in the direction close to the lower yoke 12, thereby causing the elastic member 80 to be compressed, so when the electromagnet loses power, the moving iron core 50 is reset by the elastic potential energy of the elastic member 80.

[0040] Specifically, the electromagnet further includes a lock core 100 and a plastic plug 200, one end of the lock core 100 passes through the static iron core 60 and matches with one end of the moving iron core 50 close to the static iron core 60, and the other end is located on the side of the upper yoke 11 away from the lower yoke 12, and the plastic plug 200 is fixedly connected to the end of the lock core 100 located on the side of the upper yoke 11 away from the lower yoke 12. Specifically, when the moving iron core 50 moves, the lock core 100 moves synchronously by a predetermined distance.

[0041] It should be noted that the electromagnet further includes a support seat 90, which is disposed on the side of the lower yoke 12 away from the upper yoke 11, and the end of the support seat 90 away from the lower yoke 12 also has a second cavity, and the bottom wall forming the second cavity also has a fourth insertion hole, and the fourth insertion hole is connected to the second insertion hole 1201. The elastic member 80 is also in contact with the bottom wall forming the second cavity, and the guide rod 40 also passes through the fourth insertion hole.

[0042] In summary, the electromagnet according to the embodiment of the present application is explained, which provides the electromagnet with advantages such as the spring is not easily deflected, the layout is compact, the structure is simple, and the practicality is high.

[0043] It is worth mentioning that in the embodiment of the present application, the electromagnet has a simple structure, does not involve complex manufacturing processes and expensive materials, and has high economic efficiency. At the same time, for manufacturers, the electromagnet provided by the present application is easy to produce and has low cost, which is more conducive to controlling production costs and further conducive to product promotion and use.

[0044] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functional and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. An electromagnet, characterized in that: The electromagnet comprises: A yoke assembly, the yoke assembly comprising a lower yoke; a moving iron core, the moving iron core passes through the lower yoke, and the moving iron core is configured to be movable by a predetermined distance, and in addition, an end of the moving iron core away from the lower yoke is further provided with an annular mounting groove, and a clamping ring is further provided in the annular mounting groove; an elastic member, wherein the elastic member is sleeved on the moving iron core, and one end of the elastic member abuts against the clamping ring; A support seat is arranged on the lower yoke, and the moving iron core also passes through the support seat, and the other end of the elastic member is against the support seat.

2. The electromagnet according to claim 1, wherein the yoke assembly includes an upper yoke, the upper yoke having an opening and a first cavity, the first cavity is connected to the opening, and both ends of the first cavity are also connected to the outside, and the upper yoke also has a first connecting portion and a second connecting portion, the first connecting portion is located on one side of the upper yoke, and the second connecting portion is located on the other side of the upper yoke, and the first connecting portion and the second connecting portion are formed integrally with the upper yoke.

3. The electromagnet according to claim 2, wherein the upper yoke is provided with two oppositely arranged notches at one end of the first cavity, and the two notches are also connected to the first cavity, the lower yoke is arranged in the opening, and the two ends of the lower yoke are riveted in the two notches respectively.

4. The electromagnet according to claim 3, wherein the bottom wall forming the first cavity also has a first insertion hole, the first insertion hole passes through the upper yoke, and the center of the lower yoke also has a second insertion hole, the second insertion hole passes through the lower yoke, and the first insertion hole is also opposite to the second insertion hole.

5. The electromagnet according to claim 4, wherein the electromagnet further comprises a skeleton, one end of the skeleton abuts against the bottom wall forming the first cavity, and the other end contacts the side of the lower yoke close to the first cavity, the skeleton also has a third insertion hole, one end of the third insertion hole faces the first insertion hole, and the other end faces the second insertion hole, and an enameled wire is also arranged on the skeleton, and the enameled wire is placed in the first cavity.

6. The electromagnet according to claim 5, wherein the electromagnet further comprises a guide rod, wherein the guide rod is placed in the third insertion hole, and one end of the guide rod is in contact with the bottom wall forming the first cavity and faces the first insertion hole, and the other end of the guide rod passes through the second insertion hole and the third insertion hole in sequence and is placed outside.

7. The electromagnet according to claim 6, wherein the electromagnet also includes a static iron core, the static iron core is placed in the third insertion hole, and one end of the static iron core also passes through the first insertion hole and is placed outside, and the moving iron core is also placed in the third insertion hole, and one end of the moving iron core cooperates with an end of the static iron core away from the first insertion hole, and the other end of the moving iron core also passes through the third insertion hole and is located on the side of the lower yoke away from the upper yoke. The electromagnet of claim 1 , wherein the retaining ring is an E-shaped retaining ring.

9. The electromagnet according to claim 7, wherein the electromagnet also includes a lock core and a plastic plug, one end of the lock core passes through the static iron core and cooperates with one end of the moving iron core close to the static iron core, and the other end is located on the side of the upper yoke away from the lower yoke, and the plastic plug is fixedly connected to the end of the lock core located on the side of the upper yoke away from the lower yoke.