Switching power supply capable of preventing electric leakage
By incorporating protective plates and mounting slots into the switching power supply, the problem of leakage at the connection points is solved, achieving a protective support effect and improving safety performance and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-03-03
AI Technical Summary
Existing switching power supplies are prone to leakage at exposed connection points during use, which affects safety performance.
By incorporating structures such as protective plates, mounting slots, screws, plugs, connecting plates, support plates, connecting rods, and rubber action blocks on the switching power supply, protective support for the connecting wires is achieved, preventing accidental contact and leakage.
It improves the protection of the switching power supply connection, enhancing its safety and stability.
Smart Images
Figure CN223967788U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of switching power supply technology, specifically to a switching power supply that prevents leakage current. Background Technology
[0002] A switching power supply is a high-frequency power conversion device, a type of power supply. Its function is to convert a voltage at a certain level into the voltage or current required by the user through different architectures.
[0003] The use of switching power supplies enables stable power transmission. However, when using existing switching power supplies, the connection between the power supply and the connecting wires is supported by bolts. During use, the connection is exposed, and touching the connection can easily cause leakage, affecting the safety performance. Utility Model Content
[0004] The purpose of this utility model is to provide a switching power supply that prevents leakage current, so as to solve the problem mentioned in the background art that during use, the connection is exposed and touching the connection can easily cause leakage current, which affects the safety performance of use.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a switching power supply for preventing leakage current, comprising a switching power supply, with protective plates fixedly connected to both ends of the switching power supply, a mounting groove formed on the surface of the switching power supply, a screw provided on the inner side of the mounting groove, a connecting wire inserted into the inner side of the mounting groove, a plug inserted into the surface of the mounting groove, a connecting plate fixedly connected to the surface of the plug, a support plate fixedly connected to the surface of the connecting plate, a connecting rod connected to the surface of the support plate, an action block connected to the surface of the support plate via the connecting rod, and a notching groove formed on the surface of the action block.
[0006] Preferably, the surface of the protective plate has a groove, the connecting plate and the groove on the surface of the protective plate are inserted into each other, and the connecting wire is connected by a screw and a mounting groove.
[0007] Preferably, the cross-section of the insert is T-shaped, the surface of the support plate is provided with screw holes, and the connecting rod is connected to the support plate through the screw holes.
[0008] Preferably, the abutment grooves are arranged in two sets connected to the surface of the action block, and the connecting wires are connected to the action block through the abutment grooves. The action block is made of rubber.
[0009] Preferably, the working block has square grooves at both ends, and the surface of the square grooves has round holes, and the connecting rod is connected to the working block through the square grooves and round holes.
[0010] Preferably, the surface of the switching power supply is provided with a slot, the surface of the plug is fixedly connected with a plug post, the surface of the plug post is fixedly connected with a backing plate, and the surface of the backing plate is fixedly connected with a support spring.
[0011] Preferably, the inner wall of the slot is provided with a connecting groove, the abutment plate is in contact with the connecting groove through the insertion post, the abutment plate is distributed in two groups on the outer surface of the insertion post, and the abutment plate is elastically connected to the insertion post through a support spring.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. By connecting the switching power supply and the mounting slot, and by inserting the plug and the mounting slot, connecting the plug and the connecting plate, connecting the connecting plate and the support plate, connecting the action block and the connecting rod, and connecting the connecting rod and the support plate, the protective support effect of the connecting wires connected to the switching power supply is achieved, thereby preventing accidental contact and leakage, and improving its safety performance and effectiveness.
[0014] 2. By connecting the plug and the pin, the plug's position in the mounting slot is controlled through the insertion of the pin and the slot. The connection between the pin and the backing plate, and the connection between the backing plate and the support spring, provides support for the plug's installation in the mounting slot, thus improving the stability of the plug in the switching power supply. Attached Figure Description
[0015] Figure 1 This is a three-dimensional front view of the structure of this utility model;
[0016] Figure 2 This is a partial three-dimensional schematic diagram of the connection structure of the switching power supply and the plug of this utility model;
[0017] Figure 3 This is a three-dimensional exploded view of the connection structure of the switching power supply and the plug of this utility model;
[0018] Figure 4 This utility model Figure 2 A partial three-dimensional sectional view of the structure of a switching power supply.
[0019] Figure 5 This utility model Figure 4 A magnified structural diagram of point A in the middle.
[0020] In the diagram: 1. Switching power supply; 11. Protective plate; 12. Screw; 13. Mounting slot; 2. Connecting wire; 3. Insert block; 31. Connecting plate; 32. Support plate; 33. Actuating block; 34. Abutment groove; 35. Connecting rod; 4. Slot; 41. Insert post; 42. Abutment plate; 43. Support spring. 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. 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.
[0022] Please see Figure 1-5 One embodiment provided by this utility model:
[0023] A leakage-proof switching power supply includes a switching power supply 1, with protective plates 11 fixedly connected to both ends of the switching power supply 1. A mounting groove 13 is formed on the surface of the switching power supply 1, with a screw 12 disposed inside the mounting groove 13. A connecting wire 2 is inserted into the inside of the mounting groove 13. A plug block 3 is inserted into the surface of the mounting groove 13, with a connecting plate 31 fixedly connected to the surface of the plug block 3. A support plate 32 is fixedly connected to the surface of the connecting plate 31, with a connecting rod 35 connected to the surface of the support plate 32. An action block 33 is connected to the surface of the support plate 32 via the connecting rod 35. A notch 34 is formed on the surface of the action block 33. Through the connection between the switching power supply 1 and the mounting groove 13, the screw 12 facilitates the installation of the connecting wire 2 on the switching power supply 1. The connection between the action block 33 and the support plate 32 achieves the protective effect of protecting the connecting wire 2 on the switching power supply 1.
[0024] Furthermore, the surface of the guard plate 11 is provided with a groove, and the connecting plate 31 and the groove on the surface of the guard plate 11 are inserted into each other. The connecting wire 2 is connected by the screw 12 and the mounting groove 13. Through the connection between the connecting plate 31 and the groove on the guard plate 11, the insertion effect of the plug 3 and the mounting groove 13 is achieved under the action of the groove.
[0025] Furthermore, the cross-section of the insert 3 is T-shaped, and the surface of the support plate 32 is provided with screw holes. The connecting rod 35 is connected to the support plate 32 through the screw holes. Through the connection between the connecting plate 31 and the support plate 32, the connection and support effect of the action block 33 on the support plate 32 is achieved under the connection of the support plate 32 and the connecting rod 35.
[0026] Furthermore, the abutment groove 34 is connected in two sets on the surface of the action block 33. The connecting wire 2 is connected to the action block 33 through the abutment groove 34. The action block 33 is made of rubber. It is connected to the action block 33 through the connecting rod 35. Under the action of the connecting rod 35, the action block 33 is connected and supported on the support plate 32.
[0027] Furthermore, square slots are provided at both ends of the action block 33, and round holes are provided on the surface of the square slots. The connecting rod 35 is connected to the action block 33 through the square slots and round holes. Through the connection between the action block 33 and the abutment slot 34, the connection protection effect of the connecting wire 2 on the switching power supply 1 is achieved under the interlocking connection of the abutment slot 34 and the connecting wire 2.
[0028] Furthermore, a slot 4 is provided on the surface of the switching power supply 1, a post 41 is fixedly connected to the surface of the plug 3, a backing plate 42 is fixedly connected to the surface of the post 41, and a support spring 43 is fixedly connected to the surface of the backing plate 42. Through the connection between the slot 4 and the switching power supply 1, and the insertion of the post 41 and the slot 4, the support effect of the plug 3 in the connection position in the mounting groove 13 is achieved.
[0029] Furthermore, the inner wall of the slot 4 is provided with a connecting groove. The abutment plate 42 abuts against the connecting groove through the insertion post 41. The abutment plate 42 is distributed in two groups on the outer surface of the insertion post 41. The abutment plate 42 is elastically connected to the insertion post 41 through the support spring 43. With the connection between the insertion post 41 and the abutment plate 42, and through the connection between the abutment plate 42 and the support spring 43, the abutment plate 42 and the connecting groove in the slot 4 make a pressing contact, thereby achieving the effect of supporting and controlling the position of the insertion post 41 in the slot 4.
[0030] Working principle: When performing leakage protection treatment at the connection between the switching power supply 1 and the connecting wire 2, the plug 3 is inserted into the mounting slot 13. Under the connection of the connecting plate 31 and the support plate 32, the action block 33 is connected to the connecting rod 35, and the connecting rod 35 is connected to the support plate 32, so that the action block 33 and the support plate 32 are connected. Under the action of the abutment slot 34, the protection effect at the connection between the switching power supply 1 and the connecting wire 2 is achieved. Under the connection of the plug 3 and the plug post 41, the plug post 41 is inserted into the slot 4, and under the connection of the abutment plate 42 and the support spring 43, the stability of the plug 3 in the mounting slot 13 is improved, thereby improving its protective performance and effect.
[0031] 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 switching power supply for preventing leakage current, comprising a switching power supply (1), characterized in that: The two ends of the switching power supply (1) are fixedly connected to the protective plates (11). The surface of the switching power supply (1) is provided with the mounting groove (13). The inner side of the mounting groove (13) is provided with the screw (12). The inner side of the mounting groove (13) is connected with the connecting wire (2). The surface of the mounting groove (13) is connected with the plug (3). The surface of the plug (3) is fixedly connected with the connecting plate (31). The surface of the connecting plate (31) is fixedly connected with the support plate (32). The surface of the support plate (32) is connected with the connecting rod (35). The surface of the support plate (32) is connected with the action block (33) through the connecting rod (35). The surface of the action block (33) is provided with the abutment groove (34).
2. The switching power supply for preventing leakage current according to claim 1, characterized in that: The surface of the guard plate (11) is provided with a groove, the connecting plate (31) and the groove on the surface of the guard plate (11) are inserted into each other, and the connecting wire (2) is pressed and connected by the screw (12) and the mounting groove (13).
3. A switching power supply for preventing leakage current according to claim 1, characterized in that: The cross-section of the insert (3) is "T" shaped, and the surface of the support plate (32) is provided with screw holes. The connecting rod (35) is connected to the support plate (32) through the screw holes.
4. A switching power supply for preventing leakage current according to claim 1, characterized in that: The grooves (34) are connected in two sets on the surface of the action block (33). The connecting wire (2) is connected to the action block (33) through the grooves (34). The action block (33) is made of rubber.
5. A switching power supply for preventing leakage current according to claim 1, characterized in that: The working block (33) has square grooves at both ends, and round holes are formed on the surface of the square grooves. The connecting rod (35) is connected to the working block (33) through the square grooves and round holes.
6. A switching power supply for preventing leakage current according to claim 1, characterized in that: The surface of the switching power supply (1) is provided with a slot (4), the surface of the plug block (3) is fixedly connected with a plug post (41), the surface of the plug post (41) is fixedly connected with a stop plate (42), and the surface of the stop plate (42) is fixedly connected with a support spring (43).
7. A switching power supply for preventing leakage current according to claim 6, characterized in that: The inner wall of the slot (4) is provided with a connecting groove. The abutment (42) is in contact with the connecting groove through the insert (41). The abutment (42) is distributed in two groups on the outer surface of the insert (41). The abutment (42) is elastically connected to the insert (41) through the support spring (43).