An electromagnetic relay protection element that can reduce noise

By designing electromagnetic relay protection elements for the clamping and installation mechanism and auxiliary protection mechanism, the problems of inconsistent screw force and insufficient top protection were solved, achieving stable installation and buffering effect.

CN224437516UActive Publication Date: 2026-06-30GUANGZHOU POWER TRANSFORMATION & DISTRIBUTION INSTALLATION ENG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGZHOU POWER TRANSFORMATION & DISTRIBUTION INSTALLATION ENG CO LTD
Filing Date
2025-06-17
Publication Date
2026-06-30

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Abstract

This utility model relates to the field of relay accessories technology and discloses an electromagnetic relay protection element that can reduce noise. It includes a protective noise-reducing housing and an electromagnetic relay body. A fixed terminal is fixedly connected to the bottom of the electromagnetic relay body. A clamping and mounting mechanism is provided on the outside of the protective noise-reducing housing, and an auxiliary protective mechanism is also provided on the outside of the protective noise-reducing housing. During use, the rotation of the bidirectional threaded rod, in conjunction with a limiting rod, facilitates the adjustment of the clamping plate position, thereby satisfying the installation requirements between the protective noise-reducing housing and the electromagnetic relay body. The movement of the movable plate, in conjunction with a first spring, facilitates the adjustment and limiting of the mounting block position, thus adapting to different installation environments and pre-drilled threaded hole positions. The movement of the protective plate allows the slider to slide inside the connecting box, facilitating the buffering of the protective plate against top pressure or collisions.
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Description

Technical Field

[0001] This utility model relates to the field of relay accessories technology, specifically to an electromagnetic relay protection element that can reduce noise. Background Technology

[0002] An electromagnetic relay is an electronic control device with a control system (also known as an input circuit) and a controlled system (also known as an output circuit). It is commonly used in automatic control circuits. Essentially, it acts as an "automatic switch" that uses a smaller current and lower voltage to control a larger current and higher voltage. Therefore, it plays a role in automatic adjustment, safety protection, and circuit switching. For reference, see patent CN104795281B. It mainly includes a base plate on which an electromagnet unit, a plug plate, movable terminals, and fixed terminals are arranged in parallel. The electromagnet unit includes a yoke and a coil fixed to the yoke. An armature has a rotating shaft inside and is rotatably fixed to the yoke via the rotating shaft. A plug plate is fixed to the base plate and includes a first end and a second end. The first end contacts the armature, and the second end contacts the movable terminal. The movable terminal contacts the fixed terminal.

[0003] According to the description in the patent application document CN 108417442 A, "This invention discloses an electromagnetic relay protective housing, including an electromagnetic relay body, a housing, and a water tank. The housing is movably sleeved on the electromagnetic relay body. The housing has a hollow structure. A water tank is fixedly connected to the top wall of the housing. A tank cover is hinged to the top of the side wall of the water tank. Through the combination of the water tank, branch pipe, and screw, the housing effectively secures the electromagnetic relay body, providing comprehensive protection while efficiently cooling the electromagnetic relay body. The tank cover is easy to open, facilitating the addition of water for cooling. The combination of the wire hole and the screw effectively ensures a tight connection between the electromagnetic relay body and the housing, ensuring the protective function of the housing. The structure is simple, easy to use, and effectively extends the service life of the electromagnetic relay body."

[0004] Regarding the above description, the applicant believes the following issues exist:

[0005] During use, this utility model uses rotating screws on both sides to compress the electromagnetic relay body, further improving the fixation of the outer shell on the electromagnetic relay body. However, in actual use, the screws on both sides are controlled independently, which can easily lead to inconsistent force and cause unexpected situations such as deformation of the device. In addition, the device is only protected by a protective cover, which makes it prone to accidents when the top of the device is compressed or impacted. Therefore, it is necessary to improve the electromagnetic relay protection element to reduce noise and solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide an electromagnetic relay protection element that can reduce noise, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an electromagnetic relay protection element that can reduce noise, comprising a protective noise-reducing housing and an electromagnetic relay body, wherein a fixed terminal is fixedly connected to the bottom of the electromagnetic relay body, a clamping and mounting mechanism is provided on the outside of the protective noise-reducing housing, and an auxiliary protection mechanism is provided on the outside of the protective noise-reducing housing.

[0008] The clamping and mounting mechanism includes a clamping component and a mounting component. The mounting component is disposed outside the protective noise reduction housing, and the clamping component is disposed outside the protective noise reduction housing.

[0009] Preferably, the clamping assembly includes a first connecting platform, which is fixedly connected to the left side of the protective noise-reducing housing, and a second connecting platform is fixedly connected to the right side of the protective noise-reducing housing. A bidirectional threaded rod is rotatably connected inside the first connecting platform, and a limit rod is fixedly connected inside the second connecting platform. A movable frame is slidably connected to the outside of the limit rod, and a clamping plate is fixedly connected to one end of the movable frame near the electromagnetic relay body, so as to facilitate the adjustment of the clamping plate position and thus meet the installation requirements between the protective noise-reducing housing and the electromagnetic relay body.

[0010] Preferably, the clamping plate contacts the electromagnetic relay body, the movable frame is threadedly connected to the bidirectional threaded rod, the movable frame is slidably connected to the first connecting platform, the movable frame is slidably connected to the second connecting platform, and the movable frame is slidably connected to the protective noise reduction housing, which facilitates a more stable clamping process.

[0011] Preferably, the mounting assembly includes a limiting frame, which is fixedly connected to the outside of the protective noise reduction housing. An mounting block is slidably connected inside the limiting frame. A first sliding rod is fixedly connected to the top of the mounting block, and a first spring is fixedly connected to the bottom of the first sliding rod. A movable plate is fixedly connected to the bottom of the first spring, and a locking block is fixedly connected to the bottom of the movable plate. This facilitates the adjustment and limiting of the mounting block position, thereby adapting it to different installation environments such as reserved threaded hole positions.

[0012] Preferably, the movable plate is slidably connected to the first sliding rod, and the limiting frame has a groove at the corresponding position of the locking block, and the locking block is inserted into the groove, which makes the installation process more stable.

[0013] Preferably, the auxiliary protective mechanism includes a connecting box, which is fixedly connected to the outside of the protective noise reduction shell. A slider is slidably connected inside the connecting box, and a protective plate is fixedly connected to the top of the slider. A damping rod is fixedly connected inside the connecting box, and a second spring is fixedly connected inside the connecting box. A sliding plate is fixedly connected to the end of the second spring away from the connecting box. A first fixing block is fixedly connected to the top of the sliding plate, and a connecting rod is rotatably connected inside the first fixing block. A second fixing block is fixedly connected to the bottom of the slider, and a second sliding rod is fixedly connected inside the connecting box, which facilitates buffering of the protective plate due to top pressure or collisions.

[0014] Preferably, the slide plate is slidably connected to the second slide rod, the second fixing block has a groove at the corresponding position of the connecting rod, and the connecting rod is rotatably connected inside the groove. The damping rod is fixedly connected to the slide plate, which makes the use process more stable.

[0015] Compared with the prior art, this utility model provides an electromagnetic relay protection element that can reduce noise, and has the following beneficial effects:

[0016] This noise-reducing electromagnetic relay protection element, through its clamping and mounting mechanism, allows for easy adjustment of the clamping plate position during use via the rotation of a bidirectional threaded rod and a limiting rod. This facilitates the installation between the protective noise-reducing housing and the electromagnetic relay body. Furthermore, the movement of a movable plate, in conjunction with a first spring, allows for easy adjustment and limiting of the mounting block position, thus adapting to different installation environments and pre-drilled threaded hole locations.

[0017] This noise-reducing electromagnetic relay protection element, through its auxiliary protection mechanism, allows the slider to slide inside the connection box by moving the protective plate during use, thus facilitating the buffering of the protective plate from impacts caused by pressure from the top. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the front structure of this utility model;

[0020] Figure 2 This is a schematic cross-sectional view of the present invention.

[0021] Figure 3 This is a schematic diagram of the clamping component structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the clamping component of this utility model;

[0023] Figure 5 This is a schematic diagram of the installation component structure of this utility model;

[0024] Figure 6 This is a schematic diagram of the internal structure of the mounting component of this utility model;

[0025] Figure 7 This is a schematic diagram of the auxiliary protection mechanism of this utility model;

[0026] Figure 8 This is a schematic diagram of the internal structure of the auxiliary protection mechanism of this utility model.

[0027] In the diagram: 1. Protective and noise-reducing housing; 2. Fixed terminal; 3. Electromagnetic relay body; 4. Clamping and mounting mechanism; 41. Clamping assembly; 411. First connecting platform; 412. Second connecting platform; 413. Movable frame; 414. Clamping plate; 415. Bidirectional threaded rod; 416. Limiting rod; 42. Mounting assembly; 421. Limiting frame; 422. Mounting block; 423. First sliding rod; 424. First spring; 425. Movable plate; 426. Locking block; 5. Auxiliary protective mechanism; 51. Connecting box; 52. Slider; 53. Protective plate; 54. Damping rod; 55. Second spring; 56. Slide plate; 57. First fixing block; 58. Connecting rod; 59. Second fixing block; 510. Second sliding rod. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Example 1:

[0030] Addressing the problem that existing technologies, where each screw is controlled independently, can lead to inconsistent force distribution and potential device deformation, this embodiment provides a noise-reducing electromagnetic relay protection element. Please refer to [link to relevant documentation]. Figure 1-6 This utility model provides a technical solution: an electromagnetic relay protection element that can reduce noise, including a protective noise reduction housing 1 and an electromagnetic relay body 3. The bottom of the electromagnetic relay body 3 is fixedly connected to a fixed terminal 2. A clamping and mounting mechanism 4 is provided on the outside of the protective noise reduction housing 1, and an auxiliary protection mechanism 5 is provided on the outside of the protective noise reduction housing 1.

[0031] The clamping and mounting mechanism 4 includes a clamping component 41 and a mounting component 42. The mounting component 42 is disposed outside the protective noise reduction housing 1, and the clamping component 41 is disposed outside the protective noise reduction housing 1.

[0032] Furthermore, the clamping assembly 41 includes a first connecting platform 411, which is fixedly connected to the left side of the protective noise reduction housing 1. A second connecting platform 412 is fixedly connected to the right side of the protective noise reduction housing 1. A bidirectional threaded rod 415 is rotatably connected inside the first connecting platform 411. A limit rod 416 is fixedly connected inside the second connecting platform 412. A movable frame 413 is slidably connected to the outside of the limit rod 416. A clamping plate 414 is fixedly connected to one end of the movable frame 413 near the electromagnetic relay body 3, which facilitates the adjustment of the position of the clamping plate 414, thereby satisfying the installation between the protective noise reduction housing 1 and the electromagnetic relay body 3.

[0033] Furthermore, the clamping plate 414 contacts the electromagnetic relay body 3, the movable frame 413 is threadedly connected to the bidirectional threaded rod 415, the movable frame 413 is slidably connected to the first connecting platform 411, the movable frame 413 is slidably connected to the second connecting platform 412, and the movable frame 413 is slidably connected to the protective noise reduction housing 1, which facilitates a more stable clamping process.

[0034] Furthermore, the mounting component 42 includes a limiting frame 421, which is fixedly connected to the outside of the protective noise reduction housing 1. A mounting block 422 is slidably connected inside the limiting frame 421. A first sliding rod 423 is fixedly connected to the top of the mounting block 422. A first spring 424 is fixedly connected to the bottom of the first sliding rod 423. A movable plate 425 is fixedly connected to the bottom of the first spring 424. A locking block 426 is fixedly connected to the bottom of the movable plate 425, which facilitates the adjustment and limiting of the position of the mounting block 422, thereby meeting the needs of different installation environments and reserved threaded hole positions for adaptation.

[0035] Furthermore, the movable plate 425 is slidably connected to the first sliding rod 423, and the limit frame 421 and the corresponding position of the locking block 426 are provided with grooves, and the locking block 426 is inserted into the groove, which makes the installation process more stable. Example 2:

[0036] Based on Embodiment 1, the existing technology only uses a protective cover for protection, which is prone to accidents when the top of the device is subjected to pressure or impact. Therefore, this utility model provides Embodiment 2 to solve the above-mentioned technical problems. Please refer to Embodiment 2. Figure 7-8 Furthermore, in conjunction with Embodiment 1, the auxiliary protective mechanism 5 includes a connecting box 51, which is fixedly connected to the outside of the protective noise reduction housing 1. A slider 52 is slidably connected inside the connecting box 51, and a protective plate 53 is fixedly connected to the top of the slider 52. A damping rod 54 is fixedly connected inside the connecting box 51, and a second spring 55 is fixedly connected inside the connecting box 51. A sliding plate 56 is fixedly connected to the end of the second spring 55 away from the connecting box 51. A first fixing block 57 is fixedly connected to the top of the sliding plate 56, and a connecting rod 58 is rotatably connected inside the first fixing block 57. A second fixing block 59 is fixedly connected to the bottom of the slider 52, and a second sliding rod 510 is fixedly connected inside the connecting box 51. This facilitates the buffering of the protective plate 53 due to top pressure or collisions.

[0037] Furthermore, the slide plate 56 is slidably connected to the second slide rod 510, and the second fixing block 59 has a groove at the corresponding position of the connecting rod 58, and the connecting rod 58 is rotatably connected inside the groove. The damping rod 54 is fixedly connected to the slide plate 56, which makes the use process more stable.

[0038] In actual operation, when this device is used, the operator first places the protective noise-reducing housing 1 onto the outside of the electromagnetic relay body 3. The operator then rotates the bidirectional threaded rod 415. The rotation of the bidirectional threaded rod 415, in conjunction with the limiting rod 416, causes the movable frame 413 to move, thereby moving the clamping plate 414 until it contacts and clamps the electromagnetic relay body 3. This completes the installation and limiting of the protective noise-reducing housing 1 and the electromagnetic relay body 3. After installation, the electromagnetic relay body 3 is installed using the fixed terminal 2. The operator adjusts the installation according to the pre-drilled threaded holes and other features of the installation environment. The operator then pulls the movable plate 425. The movement of the movable plate 425, in conjunction with the... A spring 424 causes the locking block 426 to move. The first sliding rod 423 moves, causing the mounting block 422 to slide inside the limiting frame 421 until it reaches the designated reserved position, after which the movable plate 425 is released. Under the action of the first spring 424, the locking block 426 is inserted into the limiting frame 421. Then, with the help of the locking bolt, the mounting block 422 is installed. After installation, when the top of the device is subjected to pressure or collision, the protective plate 53 moves, causing the slider 52 to slide inside the connecting box 51, thereby causing the second fixing block 59 to move. With the help of the connecting rod 58, the first fixing block 57 moves. With the help of the damping rod 54 and the second spring 55, the sliding plate 56 slides outside the second sliding rod 510.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A noise-reducing electromagnetic relay protection element, comprising a protective noise-reducing housing (1) and an electromagnetic relay body (3), characterized in that: The bottom of the electromagnetic relay body (3) is fixedly connected to a fixed terminal (2), the outside of the protective noise reduction housing (1) is provided with a clamping installation mechanism (4), and the outside of the protective noise reduction housing (1) is provided with an auxiliary protection mechanism (5). The clamping and mounting mechanism (4) includes a clamping component (41) and a mounting component (42). The mounting component (42) is disposed outside the protective noise reduction housing (1), and the clamping component (41) is disposed outside the protective noise reduction housing (1).

2. The electromagnetic relay protection element with noise reduction capability according to claim 1, characterized in that: The clamping assembly (41) includes a first connecting platform (411), which is fixedly connected to the left side of the protective noise reduction housing (1). A second connecting platform (412) is fixedly connected to the right side of the protective noise reduction housing (1). A bidirectional threaded rod (415) is rotatably connected inside the first connecting platform (411). A limit rod (416) is fixedly connected inside the second connecting platform (412). A movable frame (413) is slidably connected to the outside of the limit rod (416). A clamping plate (414) is fixedly connected to one end of the movable frame (413) near the electromagnetic relay body (3).

3. The electromagnetic relay protection element with noise reduction capability according to claim 2, characterized in that: The clamp (414) contacts the electromagnetic relay body (3), the movable frame (413) is threadedly connected to the bidirectional threaded rod (415), the movable frame (413) is slidably connected to the first connecting platform (411), the movable frame (413) is slidably connected to the second connecting platform (412), and the movable frame (413) is slidably connected to the protective noise reduction shell (1).

4. The electromagnetic relay protection element with noise reduction capability according to claim 1, characterized in that: The mounting assembly (42) includes a limiting frame (421), which is fixedly connected to the outside of the protective noise reduction housing (1). An mounting block (422) is slidably connected inside the limiting frame (421). A first sliding rod (423) is fixedly connected to the top of the mounting block (422). A first spring (424) is fixedly connected to the bottom of the first sliding rod (423). A movable plate (425) is fixedly connected to the bottom of the first spring (424). A locking block (426) is fixedly connected to the bottom of the movable plate (425).

5. The electromagnetic relay protection element with noise reduction capability according to claim 4, characterized in that: The movable plate (425) is slidably connected to the first sliding rod (423), and the limiting frame (421) and the corresponding position of the locking block (426) are provided with slots, and the locking block (426) is inserted into the slot.

6. The electromagnetic relay protection element with noise reduction capability according to claim 1, characterized in that: The auxiliary protective mechanism (5) includes a connecting box (51), which is fixedly connected to the outside of the protective noise reduction shell (1). A slider (52) is slidably connected inside the connecting box (51). A protective plate (53) is fixedly connected to the top of the slider (52). A damping rod (54) is fixedly connected inside the connecting box (51). A second spring (55) is fixedly connected inside the connecting box (51). A sliding plate (56) is fixedly connected to the end of the second spring (55) away from the connecting box (51). A first fixing block (57) is fixedly connected to the top of the sliding plate (56). A connecting rod (58) is rotatably connected inside the first fixing block (57). A second fixing block (59) is fixedly connected to the bottom of the slider (52). A second sliding rod (510) is fixedly connected inside the connecting box (51).

7. The electromagnetic relay protection element with noise reduction capability according to claim 6, characterized in that: The slide plate (56) is slidably connected to the second slide rod (510), the second fixing block (59) and the connecting rod (58) are provided with grooves at corresponding positions, and the connecting rod (58) is rotatably connected inside the groove, and the damping rod (54) is fixedly connected to the slide plate (56).