Quick-release magnetic latching relay structure
By designing connecting posts, through slots, and connecting sleeves on the housing of the magnetic latching relay, the problems of the existing magnetic latching relay housing being difficult to open quickly and the buckles being prone to breakage are solved, enabling quick disassembly and re-fixing, and improving the convenience and stability of disassembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG SUHUI ELECTRIC TECHNOLOGY CO LTD
- Filing Date
- 2025-04-09
- Publication Date
- 2026-06-19
AI Technical Summary
Most existing magnetic latching relays use snap-fit or thermoforming methods to fix the housing, which makes it difficult to open quickly if the internal parts are damaged, and the snap-fit method is prone to breakage, rendering it unusable.
The design employs a hot-melt connecting post on the corner surface inside the first housing, and a through slot is provided at the corner of the second housing. The connecting post passes through the through slot and is connected to the connecting thread through the connecting sleeve. Combined with the design of the outer protective ring and the stabilizing post, it enables quick disassembly and re-fixing.
It enables quick disassembly and re-fixing, avoids damage to the connecting sleeve, improves the convenience and stability of disassembly, and solves the problems of the shell not being easy to open quickly and the buckles being easy to break in the existing technology.
Smart Images

Figure CN224384197U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of magnetic latching relay technology, specifically a quick-release magnetic latching relay structure. Background Technology
[0002] Like other electromagnetic relays, magnetic latching relays automatically connect and disconnect circuits.
[0003] For example, the Chinese authorized patent (magnetic latching relay) with announcement number CN206877912U includes a housing, an electromagnetic system, and a contact system. The electromagnetic system includes an electromagnet and an armature assembly. The contact system includes a stationary contact assembly fixedly installed in the housing and a moving contact assembly used in conjunction with the stationary contact assembly. A yoke is provided at each end of the electromagnet, and the armature assembly includes a rotating shaft provided on both sides. The magnetic latching relay also includes a fixing plate. The housing includes a partition, and the fixing plate is fixedly connected to the partition. One side of the yoke is fixedly connected to the housing, and the other side is fixedly connected to the fixing plate. One rotating shaft of the armature assembly is rotatably connected to the housing, and the other side is rotatably connected to the fixing plate. A pusher is movably locked at one end of the partition. One end of the moving contact assembly is fixedly connected to the housing, and the other end is connected to the armature assembly through the pusher. The magnetic latching relay of this utility model has a stable structure, reliable operation performance, and simple debugging.
[0004] However, most existing magnetic latching relays use snap-fit or thermoforming methods to fix the housing. When internal damage is required for repair, it is not easy to open the housing quickly, and snap-fit relays are also prone to breakage, making them unusable after being reassembled. Therefore, this does not meet the current requirements. To address this, we propose a quick-release magnetic latching relay structure. Utility Model Content
[0005] The purpose of this utility model is to provide a quick-release magnetic latching relay structure to solve the problem mentioned in the background art that most existing magnetic latching relays use snap-fit or heat-fusion methods to fix the housing, making it difficult to quickly open when internal damage is repaired, and snap-fit relays are also prone to breakage, resulting in the inability to reassemble and reuse them.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a quick-release magnetic latching relay structure, comprising: a first housing, a second housing provided at the front end of the first housing, through slots provided at the corners of the second housing, connecting posts heat-fused to the corner surfaces inside the first housing, the connecting posts passing through the through slots, and a connecting component provided at one end of the connecting posts.
[0007] Preferably, the connecting assembly includes a connecting sleeve, one side of which is provided with a threaded groove, and one end of the connecting post is provided with a connecting thread, and the connecting sleeve is threadedly connected to the connecting thread through the threaded groove.
[0008] Preferably, the connecting assembly further includes a stabilizing post, which is heat-fused and fixed to the inner top surface of the threaded groove. The top surface of the connecting post with the connecting thread is provided with a stabilizing hole, and the stabilizing post is inserted into the stabilizing hole.
[0009] Preferably, the other side surface of the connecting sleeve is provided with a finger groove, and there are two finger grooves.
[0010] Preferably, an outer protective ring is provided outside the opening of the through slot, and the outer protective ring is thermally fused to the second housing. An installation cavity is formed between the outer protective ring and the opening, and the connecting component is located inside the installation cavity.
[0011] Preferably, a first slot is provided on the lower surface of one end of both the first housing and the second housing, and a second slot is provided on one side of the first slot. Both the first slot and the second slot are interconnected with the interior of the first housing and the second housing. A first copper sheet is inserted into the first slot, and a second copper sheet is inserted into the second slot.
[0012] Preferably, a connecting groove is provided on the lower surface of the other end of the second housing, and a pin is installed inside the connecting groove.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] (1) This utility model uses hot-melt connecting columns on the corner surfaces inside the first housing and through slots at the corners of the second housing. The connecting columns pass through the through slots to achieve initial fixation of the first and second housings. The connecting sleeve is threaded to the connecting thread through the threaded groove, thereby fixing the first and second housings again to prevent them from falling off. The connecting sleeve is located inside the mounting cavity and is protected by the outer protective ring to prevent the outer ring of the connecting sleeve from being squeezed and damaged. The connecting sleeve replaces the existing snap-fit method, which is not easy to damage and is also easy to disassemble quickly, saving time and effort. It is not easy to damage and is also easy to fix and use again. It solves the problem that most existing magnetic latching relays fix the housing by snap-fit or hot-melt, which makes it difficult to open quickly when the internal damage is repaired. In addition, the snap-fit method is prone to breakage, which makes it impossible to reassemble and reuse.
[0015] (2) By setting a stabilizing hole on one end of the connecting column and setting a stabilizing column on the top surface inside the threaded groove, when installing the connecting sleeve, the stabilizing column is inserted into the stabilizing hole, which limits the rotation distance of the connecting sleeve, avoids the phenomenon of inconvenient disassembly due to excessive rotation, and improves the convenience of disassembly. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the overall structure of the present invention after removing the connecting components;
[0018] Figure 3 This is a schematic diagram of the first shell structure of this utility model;
[0019] Figure 4 This is a schematic diagram of the connection component structure of this utility model;
[0020] In the diagram: 1. First housing; 2. Second housing; 3. First slot; 4. First copper sheet; 5. Second slot; 6. Second copper sheet; 7. Connecting groove; 8. Pin; 9. Connecting assembly; 10. Outer protective ring; 11. Through slot; 12. Connecting post; 13. Stabilizing hole; 14. Mounting cavity; 15. Connecting thread; 16. Connecting sleeve; 17. Threaded groove; 18. Stabilizing post; 19. Finger groove. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0022] Please see Figure 1-4 The present invention provides an embodiment of a quick-release magnetic latching relay structure, comprising: a first housing 1, a second housing 2 disposed at the front end of the first housing 1, a first slot 3 disposed on the lower surface of one end of both the first housing 1 and the second housing 2, a second slot 5 disposed on one side of the first slot 3, and the first slot 3 and the second slot 5 communicating with the interior of the first housing 1 and the second housing 2, a first copper sheet 4 inserted inside the first slot 3, a second copper sheet 6 inserted inside the second slot 5, and a connecting groove 7 disposed on the lower surface of the other end of the second housing 2, wherein a pin 8 is installed inside the connecting groove 7;
[0023] The second housing 2 has through slots 11 at each corner. Connecting posts 12 are heat-fused to the corner surfaces inside the first housing 1, and the connecting posts 12 extend through the through slots 11. A connecting component 9 is provided at one end of the connecting post 12. The connecting component 9 includes a connecting sleeve 16. A threaded groove 17 is provided on one side of the connecting sleeve 16. A connecting thread 15 is provided on the outer wall of one end of the connecting post 12, and the connecting sleeve 16 is threadedly connected to the connecting thread 15 through the threaded groove 17. Two finger grooves 19 are provided on the other side surface of the connecting sleeve 16. An outer protective ring 10 is provided outside the opening of the through slot 11. The outer protective ring 10 is heat-fused to the second housing 2, forming an installation cavity 14 between the outer protective ring 10 and the opening, and the connecting component 9 is located inside the installation cavity 14. The first housing 1 and the second housing 2 are aligned and placed. When placed, one end of the connecting post 12 on the corner surface of the first housing 1 passes through the through slot 11 to initially fix the first housing 1 and the second housing 2. Then, the connecting sleeve 16 is inserted into the installation cavity 14. When inserted, the side with the threaded groove 17 faces the connecting post 12. The connecting sleeve 16 is threadedly connected to the connecting thread 15 through the threaded groove 17, thereby fixing the first housing 1 and the second housing 2 again to prevent them from falling off.
[0024] After the connecting sleeve 16 is installed, since the connecting sleeve 16 is located inside the mounting cavity 14, and the mounting cavity 14 is formed between the outer protective ring 10 and the opening, the outer protective ring 10 protects the connecting sleeve 16, preventing the outer ring of the connecting sleeve from being squeezed and damaged, or from being rotated under force, causing the first housing 1 and the second housing 2 to loosen, thus improving installation stability. When it is necessary to disassemble the first housing 1 and the second housing 2 for internal maintenance, personnel can insert their fingers into the finger groove 19 to apply force to rotate the connecting sleeve 16, quickly disassembling the magnetic latching relay.
[0025] Please see Figure 3 , 4 The connecting component 9 also includes a stabilizing post 18, which is heat-fused and fixed to the inner top surface of the threaded groove 17. The top surface of the connecting post 12 with the connecting thread 15 is provided with a stabilizing hole 13. When installing the connecting sleeve 16, the stabilizing post 18 is inserted into the stabilizing hole 13, which limits the rotation distance of the connecting sleeve 16, avoids the phenomenon of inconvenient disassembly due to excessive rotation, and improves the convenience of disassembly.
[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A quick-release magnetic latching relay structure, comprising a first housing (1), characterized in that: The first housing (1) is provided with a second housing (2) at its front end. The corners of the second housing (2) are provided with through slots (11). The corner surfaces inside the first housing (1) are all heat-fused with connecting posts (12), and the connecting posts (12) pass through the through slots (11). One end of the connecting posts (12) is provided with a connecting component (9).
2. The quick-release magnetic latching relay structure according to claim 1, characterized in that: The connecting assembly (9) includes a connecting sleeve (16), a threaded groove (17) is provided on one side of the connecting sleeve (16), a connecting thread (15) is provided on the outer wall of one end of the connecting post (12), and the connecting sleeve (16) is threadedly connected to the connecting thread (15) through the threaded groove (17).
3. The quick-release magnetic latching relay structure according to claim 2, characterized in that: The connecting assembly (9) further includes a stabilizing post (18), which is heat-fused and fixed to the inner top surface of the threaded groove (17). The connecting post (12) has a stabilizing hole (13) on the top surface of one end with a connecting thread (15), and the stabilizing post (18) is inserted into the stabilizing hole (13).
4. The quick-release magnetic latching relay structure according to claim 2, characterized in that: The other side surface of the connecting sleeve (16) is provided with a finger groove (19), and there are two finger grooves (19).
5. The quick-release magnetic latching relay structure according to claim 1, characterized in that: An outer protective ring (10) is provided outside the opening of the through slot (11), and the outer protective ring (10) is heat-fused to the second housing (2). An installation cavity (14) is formed between the outer protective ring (10) and the opening, and the connecting component (9) is located inside the installation cavity (14).
6. The quick-release magnetic latching relay structure according to claim 5, characterized in that: A first slot (3) is provided on the lower surface of one end of the first housing (1) and the second housing (2). A second slot (5) is provided on one side of the first slot (3). The first slot (3) and the second slot (5) are interconnected with the interior of the first housing (1) and the second housing (2). A first copper sheet (4) is inserted into the first slot (3), and a second copper sheet (6) is inserted into the second slot (5).
7. The quick-release magnetic latching relay structure according to claim 1, characterized in that: A connecting groove (7) is provided on the lower surface of the other end of the second housing (2), and a pin (8) is installed inside the connecting groove (7).