Anti-reverse power supply device with excellent waterproof performance
By employing a structural design in the anti-backflow power supply device, including a base, top cover, rotating cover, retaining ring, and sealing strip, combined with a quick-release mechanism, the problem of water leakage in rainy weather is solved, achieving a sealing effect and improving the device's waterproof performance and reliability.
Patent Information
- Application Number
- CN202520215266.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-11
AI Technical Summary
Existing backflow prevention devices are prone to water leakage in rainy weather, which can cause device malfunctions and reduce the device's practicality.
The device features a structural design including a base, top cover, rotating cover, retaining ring, rubber ring, and sealing strip, combined with a quick-release mechanism to achieve sealing and rapid installation, preventing moisture from entering the device.
It effectively prevents water from entering during heavy rain, ensuring the normal operation of the device, improving its waterproof performance and reliability, and facilitating installation and maintenance.
Smart Images

Figure CN223809079U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to relay protection technical field especially relates to a kind of anti-reverse power supply devices with excellent waterproof performance. BACKGROUND
[0002] When working on power equipment, the ground wire must be connected to each side of the power supply to prevent sudden power supply and improper use of self-generator in the line, which may cause reverse power supply and harm to the operator, so a kind of anti-reverse power supply device is needed.
[0003] After searching, Chinese patent publication No. CN214674344U discloses an anti-reverse power supply device, which includes a ring-shaped housing, a first stand, a second stand, a first wire seat and a protective block. The inner wall of the ring-shaped housing is provided with equally spaced protective blocks, and the center of the surface of the ring-shaped housing is provided with a main bearing. The outer wall of one end of the ring-shaped housing is provided with a first wire seat, one side of the bottom end of the ring-shaped housing is provided with two groups of second stands, and the bottom end of the ring-shaped housing between adjacent second stands is rotatably connected with a second wire seat. One end of the second wire seat is fixedly connected with the bottom of the ring-shaped housing. The bottom end of the ring-shaped housing on one side of the second stand is provided with a first stand, and the bottom end of the ring-shaped housing between adjacent first stands is rotatably connected with a first wire seat. The utility model not only improves the convenience of the anti-reverse power supply device during use, but also improves the stability and power supply effect of the anti-reverse power supply device during use. However, the device does not have a sealing function, and when used outdoors, it may cause water seepage inside the device during rainy weather, resulting in device failure during operation and reducing the practicality of the device. SUMMARY
[0004] To make up for the above shortcomings, the utility model provides an anti-reverse power supply device with excellent waterproof performance, aiming to improve the problem of water seepage inside the device during rainy weather in the prior art, which may cause device failure during operation and reduce the practicality of the device.
[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of anti-falling power supply device with excellent waterproof performance, the inner wall middle part of base is fixedly connected with anti-falling relay, the top of anti-falling relay is slidably connected with upper cover, the outer wall left and right sides of base and upper cover are fixedly connected with snap ring, the top left and right sides of base are rotatably connected with rotating cover, recess is set in the top of the adjacent side of two rotating covers, the bottom of two snap rings is fixedly connected with rubber pad, recess and rubber pad are engaged, the top left and right sides of the inner wall of base are fixedly connected with rubber ring one, the bottom of the side of two snap rings that is far away is fixedly connected with rubber ring two, the top front and back sides of base are fixedly connected with sealing strip, the bottom left and right sides of base are fixedly connected with fixed seat, the front side of the outer wall of base is provided with quick release mechanism, quick release mechanism is convenient for fast installation upper cover.
[0006] Through the above technical scheme: base is the basic support part of the whole device, the inner wall middle part of base is fixedly connected with anti-falling relay, provides installation and protection space for it, upper cover can be opened when needed to maintain or check anti-falling relay, rotating cover is located in the top left and right sides of base, is opened by rotating and is convenient for connecting wire with anti-falling relay, snap ring is used for clamping rotating cover, so that rotating cover is tightly attached to base, recess and rubber pad at the bottom of snap ring are engaged, and the sealing property is enhanced, water is prevented from entering, when rotating cover is closed, rubber ring one and rubber ring two are tightly attached and clamp the wire inserted in the inside of device, rainwater can be prevented from entering the inside from both ends of device, and the sealing strip on the top front and back sides of base plays the role of waterproof sealing in front and back directions, so that the device is guaranteed not to enter water in heavy rain weather.
[0007] As further description of the above technical scheme:
[0008] The quick release mechanism includes two connecting plates one, two connecting plates one are fixedly connected on the front and back sides of the outer wall of base respectively, the outer wall front and back sides of upper cover are fixedly connected with connecting plate two, the top of connecting plate one is provided with clamping groove, the bottom of connecting plate two is fixedly connected with clamping block, clamping block and clamping groove are engaged, the inner wall of connecting plate one is provided with sliding slot, the inner wall of sliding slot is slidably connected with sliding plate, the outer wall left and right sides of sliding plate are fixedly connected with multiple inserting rods at equal intervals, the outer wall left and right sides of clamping block are provided with multiple reserved holes at equal intervals, multiple inserting rods are engaged with corresponding reserved holes respectively, the front end of multiple springs is fixedly connected with connecting plate one.
[0009] Through the technical scheme, when the upper cover needs to be installed, the upper cover is moved downward, so that the clamping block at the bottom of the connecting plate 2 is inserted into the clamping groove at the top of the connecting plate 1, in the process of inserting the clamping block into the clamping groove, the clamping block is lowered to extrude the inserting rod, push the sliding plate to slide in the sliding groove, and compress the spring, when the reserved hole coincides with the inserting rod, under the elastic action of the spring, the sliding plate is pushed to move towards the clamping block, so that the inserting rod is inserted into the corresponding reserved hole, the final fixation is realized, and the firm connection of the upper cover and the base is realized.
[0010] As a further description of the above technical scheme:
[0011] The top of the upper cover is provided with a plurality of drainage grooves, and the plurality of drainage grooves are equidistantly arranged on the left and right sides of the top of the upper cover.
[0012] Through the technical scheme, the drainage groove can quickly drain the rainwater on the upper cover 4, and prevent the rainwater from eroding the device.
[0013] As a further description of the above technical scheme:
[0014] The front end of the base is provided with a signboard on the left and right sides, and the outer wall of the two signboards is threadedly connected with screws, and the two signboards are threadedly connected with the base through the screws.
[0015] Through the technical scheme, the signboard can be used to mark the related information of the anti-falling power supply device, so that the staff can quickly understand the basic situation of the device during installation, maintenance and repair, and the work efficiency is improved.
[0016] As a further description of the above technical scheme:
[0017] The top of the two rotating covers is provided with a mounting groove on the left and right sides, and the inner wall of the plurality of mounting grooves is fixedly connected with a reflective strip.
[0018] Through the technical scheme, the reflective strip can reflect strong light under light irradiation, and play a warning role.
[0019] As a further description of the above technical scheme:
[0020] The front end of the connecting rod is fixedly connected with a handle, and a plurality of anti-skid lines are formed on the outer wall of the handle.
[0021] Through the technical scheme, when the upper cover needs to be disassembled, the handle can drive the connecting rod, and then push the sliding plate, so that the inserting rod is withdrawn from the reserved hole, and the upper cover is quickly disassembled.
[0022] As a further description of the above technical scheme:
[0023] The inner wall of the base is fixedly connected with a vertical rod on the left side and the right side, and the top of the two vertical rods is fixedly connected with a wire ring.
[0024] Through the above technical scheme: the wire ring can be used to arrange and fix the cables inside the device, and the wire ring can orderly fix the cables at a certain position, avoiding the cables being distributed in disorder inside the device, affecting the normal operation and maintenance of the device.
[0025] The outer wall of the base is provided with a plurality of heat dissipation openings on the left side and the right side at the bottom, and the inner wall of the plurality of heat dissipation openings is fixedly connected with a waterproof film
[0026] As a further description of the above technical scheme:
[0027] Through the above technical scheme: the main function of the heat dissipation opening is to dissipate heat for the components inside the anti-falling power supply device, and the waterproof film can prevent water from entering the device inside while ensuring heat dissipation.
[0028] The utility model has the advantages of the following beneficial effects:
[0029] 1. In the utility model, the rubber ring one and the rubber ring two are extruded to avoid water entering the device at the wire inlet, the side is sealed, water is prevented from entering the inside of the device, the upper cover is clamped with the base, the clamping ring extrudes the rotating cover, the rubber pad is used for filling the gap between the upper cover and the rotating cover, the top of the device is sealed, the sealing strip is used for sealing between the upper cover and the base, and water is prevented from entering the device, so that the device is completely sealed when used outdoors, and rainwater is prevented from entering.
[0030] 2. In the utility model, the clamping block at the bottom of the connecting plate two is inserted into the clamping groove at the top of the connecting plate one, in the process that the clamping block is inserted into the clamping groove, the clamping block is extruded to extrude the insertion rod, the sliding plate is pushed to slide in the sliding groove, and the spring is compressed, when the reserved hole coincides with the insertion rod, the sliding plate is pushed to move towards the clamping block under the elastic action of the spring, the insertion rod is inserted into the corresponding reserved hole, and finally fixed, so that the upper cover and the base are quickly connected. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 A three-dimensional view of the anti-falling power supply device with excellent waterproof performance is provided for the utility model;
[0032] Figure 2 A partial structure split view of the anti-falling power supply device with excellent waterproof performance is provided for the utility model;
[0033] Figure 3 A quick release mechanism schematic view of the anti-falling power supply device with excellent waterproof performance is provided for the utility model;
[0034] Figure 4 A partial structure schematic view of the anti-falling power supply device with excellent waterproof performance is provided in the utility model.
[0035] Figure 5 A partial structure sectional view of the anti-falling power supply device with excellent waterproof performance is provided in the utility model.
[0036] Legend:
[0037] 1, base; 2, quick release mechanism; 201, connecting plate one; 202, connecting plate two; 203, clamping groove; 204, clamping block; 205, sliding groove; 206, sliding plate; 207, insertion rod; 208, reserved hole; 209, spring; 210, connecting rod; 3, anti-falling relay; 4, upper cover; 5, snap ring; 6, rotating cover; 7, groove; 8, rubber pad; 9, rubber ring one; 10, rubber ring two; 11, sealing strip; 12, fixed base; 13, drainage groove; 14, signboard; 15, screw; 16, mounting groove; 17, reflective strip; 18, handle; 19, anti-skid pattern; 20, vertical rod; 21, wire ring; 22, heat dissipation opening; 23, waterproof film. DETAILED DESCRIPTION
[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.
[0039] Reference Figure 1 , Figure 2 and Figure 4The utility model provides an embodiment: a kind of anti-reversing power supply device with excellent waterproof performance, including base 1, base 1 is as the basis supporting part of whole device, the inner wall middle part of base 1 is fixedly connected with anti-reverse relay 3, the top of anti-reverse relay 3 is slidably connected with upper cover 4, upper cover 4 is slidably connected with the top of anti-reverse relay 3, can be opened to maintain or check when needing, the outer wall left and right sides of base 1 and upper cover 4 are fixedly connected with snap ring 5, the top left and right sides of base 1 are rotatably connected with rotating cover 6, open rotating cover 6 to facilitate the connection of wire and anti-reverse relay 3, recess 7 is set in the top of the adjacent side of two rotating covers 6, the bottom of two snap rings 5 is fixedly connected with rubber pad 8, recess 7 and rubber pad 8 are engaged, when upper cover 4 and base 1 are engaged, snap ring 5 can be stuck rotating cover 6, recess 7 and the rubber pad 8 of the bottom of snap ring 5 are engaged, enhance sealing property, prevent moisture from entering, the top left and right sides of the inner wall of base 1 are fixedly connected with rubber ring one 9, the bottom of the side of two snap rings 5 that are far away is fixedly connected with rubber ring two 10, rubber ring one 9 and rubber ring two 10 can be extruded and connected on the wire of anti-reverse relay 3, the top front and back sides of base 1 are fixedly connected with sealing strip 11, sealing strip 11 can seal the device, the left and right sides of the bottom of base 1 are fixedly connected with fixed base 12, the front side of the outer wall of base 1 is provided with quick release mechanism 2, quick release mechanism 2 is convenient for fast installation upper cover 4;
[0040] Specifically, base 1 is as the basis supporting part of whole device, the inner wall middle part of base 1 is fixedly connected with anti-reverse relay 3, provides installation and protection space for it, upper cover 4 is slidably connected with the top of anti-reverse relay 3, can be opened to maintain or check anti-reverse relay 3 when needing, rotating cover 6 is located at the top left and right sides of base 1, is connected with anti-reverse relay 3 by rotating open to facilitate the wire, snap ring 5 is used for sticking rotating cover 6, so that rotating cover 6 is tightly attached to base 1, recess 7 and the rubber pad 8 of the bottom of snap ring 5 are engaged, enhance sealing property, prevent moisture from entering, when rotating cover 6 is closed, rubber ring one 9 and rubber ring two 10 are tightly attached and clamped into the wire inside the device, rainwater can be prevented from entering inside from the both ends of device, the sealing strip 11 of the top front and back sides of base 1 is in front and back direction to play the role of waterproof sealing, to ensure that device does not enter water in heavy rain weather.
[0041] Refer to Figure 2 、 Figure 3 And Figure 5The quick disassembly mechanism 2 comprises two connecting plates one 201 fixedly connected to the front and rear sides of the outer wall of the base 1 respectively, two connecting plates two 202 fixedly connected to the front and rear sides of the outer wall of the upper cover 4, a clamping groove 203 formed in the top of the connecting plate one 201, a clamping block 204 fixedly connected to the bottom of the connecting plate two 202, the clamping block 204 being clamped with the clamping groove 203, the upper cover 4 being preliminarily fixed with the base 1 through the clamping of the clamping block 204 with the clamping groove 203, a sliding groove 205 formed in the inner wall of the connecting plate one 201, a sliding plate 206 slidingly connected to the inner wall of the sliding groove 205, a plurality of inserting rods 207 fixedly connected to the left and right sides of the outer wall of the sliding plate 206 at equal intervals, a plurality of reserved holes 208 formed in the left and right sides of the outer wall of the clamping block 204 at equal intervals, the plurality of inserting rods 207 being clamped with the corresponding reserved holes 208, the upper cover 4 being firmly connected with the base 1 through the clamping of the inserting rods 207 with the reserved holes 208, a plurality of springs 209 fixedly connected to the front side of the outer wall of the sliding plate 206, the front ends of the plurality of springs 209 being fixedly connected to the connecting plate one 201, the inserting rods 207 being separated from the reserved holes 208 by extruding the springs 209 through pulling the connecting rod 210 when the upper cover 4 needs to be disassembled;
[0042] Specifically, when the upper cover 4 needs to be installed, the upper cover 4 is moved downward, so that the clamping block 204 at the bottom of the connecting plate two 202 is inserted into the clamping groove 203 at the top of the connecting plate one 201, in the process of inserting the clamping block 204 into the clamping groove 203, the clamping block 204 is extruded by the inserting rod 207, the sliding plate 206 is pushed to slide in the sliding groove 205, and the spring 209 is compressed, when the reserved hole 208 coincides with the inserting rod 207, the sliding plate 206 is pushed to move towards the clamping block 204 under the elastic action of the spring 209, so that the inserting rod 207 is inserted into the corresponding reserved hole 208, the final fixation is realized, and the firm connection between the upper cover 4 and the base 1 is realized.
[0043] With reference to Figure 1 , Figure 2 and Figure 3 , a plurality of drainage grooves 13 are formed in the top of the upper cover 4, the plurality of drainage grooves 13 are arranged at equal intervals on the left and right sides of the top of the upper cover 4, and the main function of the drainage groove 13 is to quickly drain the water on the surface of the upper cover 4 when encountering rain or other liquids; the front left and right sides of the base 1 are provided with signboards 14, the signboards 14 can be used to mark the model, specifications, production date and matters needing attention of the anti-falling power supply device, the outer walls of the two signboards 14 are threadedly connected with screws 15, and the two signboards 14 are threadedly connected with the base 1 through the screws 15; the top left and right sides of the two rotating covers 6 are provided with mounting grooves 16, the inner walls of the plurality of mounting grooves 16 are fixedly connected with reflective strips 17, the reflective strips 17 can reflect strong light under light irradiation, and have a warning effect;
[0044] Specifically, the main role of the drainage groove 13 is to quickly drain the water on the surface of the upper cover 4 when encountering rain or other liquids, preventing water accumulation on the surface of the upper cover 4. The equidistantly arranged drainage grooves 13 ensure the uniformity and efficiency of drainage. The signboard 14 can be used to mark the model, specification, production date and use precautions of the anti-falling power supply device, facilitating the staff to quickly understand the basic situation of the device during installation, maintenance and repair, and improving work efficiency. The reflective strip 17 can reflect strong light under light irradiation, playing a warning role.
[0045] With reference to Figure 1 , Figure 2 and Figure 4 , the front end of the connecting rod 210 is fixedly connected with the handle 18. When the upper cover 4 needs to be disassembled, the connecting rod 210 can be driven by pulling the handle 18, thereby pushing the sliding plate 206 to make the insertion rod 207 exit from the reserved hole 208. A plurality of anti-skid lines 19 are formed on the outer wall of the handle 18. The anti-skid lines 19 can increase the friction between the hand and the handle 18, preventing the handle 18 from slipping during operation. The inner wall of the base 1 is fixedly connected with the vertical rod 20 on the left and right sides. The top of the two vertical rods 20 is fixedly connected with the wire ring 21. The wire ring 21 can be used to arrange and fix the cables inside the device. A plurality of heat dissipation openings 22 are formed on the outer wall of the base 1 on the left and right sides. The inner wall of the plurality of heat dissipation openings 22 is fixedly connected with the waterproof film 23. The main role of the heat dissipation opening 22 is to dissipate heat for the components inside the anti-falling power supply device, keep the temperature inside the device within a suitable range, and ensure the normal operation of the device. The use of the waterproof film 23 does not affect the heat dissipation effect, but can effectively prevent water from entering, improving the waterproof performance and reliability of the device.
[0046] Specifically, the handle 18 facilitates the operator to operate the quick disassembly mechanism 2. When the upper cover 4 needs to be disassembled, the connecting rod 210 can be driven by pulling the handle 18, thereby pushing the sliding plate 206 to make the insertion rod 207 exit from the reserved hole 208, realizing the quick disassembly of the upper cover 4. The anti-skid lines 19 can increase the friction between the hand and the handle 18, preventing the handle 18 from slipping during operation, making the operation more safe and reliable. The wire ring 21 can be used to arrange and fix the cables inside the device. The main role of the heat dissipation opening 22 is to dissipate heat for the components inside the anti-falling power supply device, keep the temperature inside the device within a suitable range, and ensure the normal operation of the device. The use of the waterproof film 23 does not affect the heat dissipation effect, but can effectively prevent water from entering, improving the waterproof performance and reliability of the device.
[0047] Working principle: before using the device, first open the rotating cover 6, connect the wire with the anti-falling relay 3, then rotate the cover 6 to close, so that the rubber ring one 9 and the rubber ring two 10 extrude the wire, realize sealing, prevent water from entering the inside of the device, the upper cover 4 and the base 1 are clamped, so that the clamping ring 5 extrudes the rotating cover 6, the rubber pad 8 is used to fill the gap between the upper cover 4 and the rotating cover 6, realize sealing, sealing strip 11 is used to play the sealing role between the upper cover 4 and the base 1, prevent the device from entering water, and through the downward movement of the upper cover 4, the clamping block 204 at the bottom of the connecting plate two 202 is inserted into the clamping groove 203 at the top of the connecting plate one 201, in the process of inserting the clamping block 204 into the clamping groove 203, the clamping block 204 is extruded by the insertion rod 207, the sliding plate 206 is pushed to slide in the sliding groove 205, the spring 209 is compressed, when the reserved hole 208 coincides with the insertion rod 207, under the elastic action of the spring 209, the sliding plate 206 is pushed to move to the clamping block 204, so that the insertion rod 207 is inserted into the corresponding reserved hole 208, realize the final fixation, so as to realize the firm connection of the upper cover 4 and the base 1.
[0048] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.
Claims
1. A reverse-connection preventing power supply device with excellent waterproof performance, comprising a base (1), characterized in that: The inner wall of the base (1) is fixedly connected with an anti-falling relay (3), the top of the anti-falling relay (3) is slidably connected with an upper cover (4), the outer walls of the base (1) and the upper cover (4) are fixedly connected with clamping rings (5) on the left and right sides, the top of the base (1) is rotatably connected with rotating covers (6) on the left and right sides, recesses (7) are formed in the top of the adjacent side of the two rotating covers (6), the bottoms of the two clamping rings (5) are fixedly connected with rubber pads (8), the recesses (7) are clamped with the rubber pads (8), the top of the inner wall of the base (1) is fixedly connected with rubber rings I (9) on the left and right sides, the bottoms of the sides away from each other of the two clamping rings (5) are fixedly connected with rubber rings II (10), the top of the base (1) is fixedly connected with sealing strips (11) on the front and back sides, the bottoms of the base (1) are fixedly connected with fixed seats (12) on the left and right sides, the outer wall of the base (1) is provided with a quick release mechanism (2) on the front side, and the quick release mechanism (2) facilitates quick installation of the upper cover (4).
2. The reverse-connection preventing power supply device with excellent waterproof performance according to claim 1, characterized by: The quick release mechanism (2) comprises two connecting plates I (201), the connecting plates I (201) are fixedly connected to the outer walls of the base (1) on the front and back sides, respectively, the outer walls of the upper cover (4) are fixedly connected with connecting plates II (202) on the front and back sides, the top of the connecting plate I (201) is provided with a clamping groove (203), the bottom of the connecting plate II (202) is fixedly connected with a clamping block (204), the clamping block (204) is clamped with the clamping groove (203), the inner wall of the connecting plate I (201) is provided with a sliding groove (205), the inner wall of the sliding groove (205) is slidably connected with a sliding plate (206), the outer walls of the sliding plate (206) are fixedly connected with a plurality of inserting rods (207) at equal intervals on the left and right sides, the outer walls of the clamping block (204) are provided with a plurality of reserved holes (208) at equal intervals on the left and right sides, and the plurality of inserting rods (207) are clamped with the corresponding reserved holes (208), the outer wall of the sliding plate (206) is fixedly connected with a plurality of springs (209) on the front side, the outer wall of the sliding plate (206) is fixedly connected with a connecting rod (210), and the front ends of the plurality of springs (209) are fixedly connected with the connecting plate I (201).
3. The reverse-connection preventing power supply device with excellent waterproof performance according to claim 1, characterized by: The top of the upper cover (4) is provided with a plurality of drainage grooves (13), and the plurality of drainage grooves (13) are arranged at equal intervals on the top of the upper cover (4) on the left and right sides.
4. The reverse-connection preventing power supply device with excellent waterproof performance according to claim 1, characterized by: The front ends and the left and right sides of the base (1) are provided with signboards (14), the outer walls of the two signboards (14) are threadedly connected with screws (15) around, and the two signboards (14) are threadedly connected with the base (1) through the screws (15).
5. The reverse-connection preventing power supply device with excellent waterproof performance according to claim 1, characterized by: The top of the rotating cover (6) is provided with a mounting groove (16) on the left and right sides, and the inner wall of the mounting groove (16) is fixedly connected with a reflective strip (17).
6. The reverse-connection preventing power supply device with excellent waterproof performance according to claim 2, characterized by: The front end of the connecting rod (210) is fixedly connected with a handle (18), and the outer wall of the handle (18) is provided with a plurality of anti-slip patterns (19) around.
7. The reverse-connection preventing power supply device with excellent waterproof performance according to claim 1, characterized by: The inner wall of the base (1) is fixedly connected with a vertical rod (20) on the left and right sides, and the top of the two vertical rods (20) is fixedly connected with a wire ring (21).
8. The reverse-connection preventing power supply device with excellent waterproof performance according to claim 1, characterized by: The outer wall of the base (1) is provided with a plurality of heat dissipation openings (22) on the left and right sides of the bottom, and the inner wall of the plurality of heat dissipation openings (22) is fixedly connected with a waterproof film (23).