Waterproof sealing structure of blower resistor
By designing a waterproof housing, isolation frame, and drainage mechanism on the blower resistor, the problem of poor anti-condensation effect was solved, achieving effective moisture drainage and sealing, and avoiding the risk of short circuit.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-03-10
AI Technical Summary
The existing blower resistors have poor anti-condensation performance, causing condensation droplets to accumulate and flow into the connection between the resistor and the device, which can easily lead to a short circuit.
A waterproof sealing structure was designed, comprising a waterproof shell, a waterproof base, an isolation frame, a drainage mechanism, and a flow-blocking component. The condensation droplets are drained out by the gravitational potential energy of the drainage shell and the inclined block, thus preventing water accumulation and short circuits.
It effectively solves the short circuit problem caused by the accumulation of condensation droplets, ensures the sealing of the connection between the resistor and the device, prevents moisture from entering, and improves the waterproof sealing effect.
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Figure CN223986455U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waterproof sealing structure technical field especially, relates to a kind of waterproof sealing structure of blower resistor. BACKGROUND
[0002] Resistor is generally directly called resistance in daily life. It is a current-limiting element, and the resistance value of the resistor is fixed after being connected to the circuit. It is generally two pins, which can limit the current size of the branch connected through it. The resistance value that cannot be changed is called fixed resistor. The resistance value that can be changed is called potentiometer or variable resistor. The ideal resistor is linear, that is, the instantaneous current through the resistor is proportional to the applied instantaneous voltage. Variable resistor for voltage division. On the bare resistance body, a to two movable metal contacts are tightly pressed. The contact position determines the resistance value between the resistance body and the contact.
[0003] After searching, patent (application No. 201820073914.4) discloses "a kind of blower resistor", the device is equipped with protective cover on resistor, protective cover is fixedly connected with base, can protect resistor;
[0004] But the device is not convenient for the anti-condensation treatment outside the resistor shell, the anti-condensation effect is poor, and the aggregation of condensation water droplets can easily flow into the connection between the resistor and the device, causing short circuit. Utility model content
[0005] In view of the deficiencies of the prior art, the utility model provides a kind of waterproof sealing structure of blower resistor, overcome the deficiencies of prior art, effectively solve the problem of poor anti-condensation effect in prior art, the aggregation of condensation water droplets can easily flow into the connection between the resistor and the device, causing short circuit.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A kind of waterproof sealing structure of blower resistor, including resistor body, the outer part of the resistor body is fixed with waterproof shell, and waterproof base is inserted in the bottom of resistor body, the waterproof base includes bottom plate, waterproof platform fixed on the top of bottom plate, isolation frame fixed on the top of waterproof platform, plug-in seat arranged in isolation frame, drainage mechanism arranged around plug-in seat, the drainage mechanism includes drainage shell and resistance flow component, the resistance flow component includes inclined block, baffle arranged on one side of inclined block, connecting rod fixed on the top of outer wall of both ends of baffle, light spring connected to the outer wall of one side of baffle, connecting block fixed on one end of light spring.
[0008] When the air humidity is high, condensation will appear on the outer shell of the resistor body. As the condensation droplets accumulate, water flows along the waterproof outer shell. Most of the water will flow out through the isolation frame, waterproof platform, and bottom. A small portion will enter the space between the isolation frame and the socket through the gap between the outer shell and the isolation frame. The water between the isolation frame and the socket flows into the current-guiding shell through the inclined block. The gravitational potential energy generated by the inclined block pushes the baffle outward, allowing the water to be discharged outward through the current-guiding shell, thus preventing water from flowing into the space between the resistor body and the socket and causing a short circuit.
[0009] Preferably, the top of the inner wall of the waterproof housing is adapted to the specifications of the outer wall of the resistor body, and the connection between the waterproof housing and the resistor body is bonded with waterproof adhesive.
[0010] The design of the casing allows water on the outer wall of the resistor body to flow outwards, and the waterproof adhesive prevents water from flowing in from the connection between the waterproof casing and the resistor body.
[0011] Preferably, the specifications of the inner walls of the isolation frame are adapted to the specifications of the bottom of the outer walls of the waterproof shell, and the specifications of the outer walls of the plug-in are adapted to the specifications of the bottom of the inner walls of the waterproof shell.
[0012] The housing is designed to fit the specifications so that it can be tightly inserted between the isolation frame and the connector.
[0013] Preferably, the top of the waterproof platform and the bottom of the outer walls of the isolation frame are both provided with openings, and the drainage shell is inserted and fixed at the opening.
[0014] The drainage shell is inserted and fixed through the opening, and water is then drawn out from between the isolation frame and the insertion socket through the drainage shell.
[0015] Preferably, the top end of the drainage shell is provided with symmetrically distributed slots, and the connecting rod is rotatably engaged with the slots.
[0016] The connecting rod is rotated and installed using a slot.
[0017] Preferably, a sealing frame is provided between the isolation frame and the plug-in base, and the height of the sealing frame is adapted to the height of the inclined block.
[0018] The sealing frame allows water to flow outwards through the inclined blocks, preventing water accumulation.
[0019] Preferably, the connecting block is fixed to one side of the outer wall of the drainage shell, and the bottom of the baffle abuts against one end of the bottom of the inclined block.
[0020] By using the inclined block to block the baffle, water can be prevented from flowing back between the isolation frame and the connector.
[0021] The beneficial effects of this utility model are as follows:
[0022] The waterproof outer shell diverts condensed water droplets. Most of the water flows outward through the isolation frame, waterproof platform, and bottom. A small portion enters the space between the isolation frame and the socket through the gap between the outer shell and the isolation frame. The water between the isolation frame and the socket flows into the diversion shell through the inclined block. The gravitational potential energy generated by the inclined block pushes the baffle outward, allowing the water to be discharged outward through the diversion shell. This effectively prevents water from flowing into the resistor body and the socket, causing a short circuit. It effectively solves the problem of poor anti-condensation effect in the existing technology, which easily leads to the accumulation of condensed water droplets and flow into the connection between the resistor and the device, causing a short circuit. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the overall structure of a waterproof sealing structure for a blower resistor proposed in this utility model;
[0024] Figure 2 This is a schematic diagram of the waterproof base structure of a waterproof sealing structure for a blower resistor proposed in this utility model;
[0025] Figure 3 This is a schematic diagram of the current-draining mechanism of a waterproof sealing structure for a blower resistor proposed in this utility model;
[0026] Figure 4 This is a schematic diagram of the flow-blocking component structure of a waterproof sealing structure for a blower resistor proposed in this utility model.
[0027] In the diagram: 1. Resistor body; 2. Waterproof housing; 3. Waterproof base; 4. Base plate; 5. Waterproof platform; 6. Isolation frame; 7. Socket; 8. Current guiding mechanism; 9. Current guiding shell; 10. Current blocking component; 11. Inclined block; 12. Baffle; 13. Connecting rod; 14. Light spring; 15. Connecting block. 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 of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0029] Example:
[0030] Reference Figures 1-4A waterproof sealing structure for a blower resistor includes a resistor body 1, a waterproof outer shell 2 fixed to the outside of the resistor body 1, and a waterproof base 3 inserted into the bottom of the resistor body 1. The waterproof base 3 includes a base plate 4, a waterproof platform 5 fixed to the top of the base plate 4, an isolation frame 6 fixed to the top of the waterproof platform 5, a plug-in seat 7 disposed in the isolation frame 6, and a flow guiding mechanism 8 disposed around the plug-in seat 7. The flow guiding mechanism 8 includes a flow guiding shell 9 and a flow blocking component 10. The flow blocking component 10 includes an inclined block 11, a baffle 12 disposed on one side of the inclined block 11, a connecting rod 13 fixed to the top of the outer wall at both ends of the baffle 12, a light spring 14 connected to the outer wall on one side of the baffle 12, and a connecting block 15 fixed to one end of the light spring 14.
[0031] The top of the inner wall of the waterproof housing 2 is compatible with the outer wall of the resistor body 1. The connection between the waterproof housing 2 and the resistor body 1 is bonded with waterproof adhesive. The housing 2 is designed to drain water from the outer wall of the resistor body 1 to the outside. The waterproof adhesive prevents water from flowing in from the connection between the waterproof housing 2 and the resistor body 1. The inner wall of the isolation frame 6 is compatible with the bottom of the outer wall of the waterproof housing 2. The outer wall of the plug socket 7 is compatible with the bottom of the inner wall of the waterproof housing 2. The compatible design allows the housing 2 to be tightly inserted between the isolation frame 6 and the plug socket 7.
[0032] The top of the waterproof platform 5 and the bottom of the outer walls of the isolation frame 6 are both provided with openings. The drainage shell 9 is inserted and fixed at the opening. The drainage shell 9 is inserted and fixed through the openings, and water is then drawn out from between the isolation frame 6 and the insertion seat 7 through the drainage shell 9. The top end of the drainage shell 9 is provided with symmetrically distributed slots. The connecting rod 13 is rotated and installed through the slots. A sealing frame is provided between the isolation frame 6 and the insertion seat 7. The height of the sealing frame is adapted to the height of the inclined block 11. The sealing frame facilitates the outward flow of water through the inclined block 11, preventing water accumulation. The connecting block 15 is fixed to one side of the outer wall of the drainage shell 9. The bottom of the baffle 12 abuts against the bottom end of the inclined block 11. The baffle 12 is blocked by the inclined block 11, preventing water from flowing back between the isolation frame 6 and the insertion seat 7.
[0033] Working principle:
[0034] When the air humidity is high during operation, condensation will appear on the outer shell of the resistor body 1. As the condensation droplets accumulate, water flows along the waterproof outer shell 2. Most of the water will flow out through the isolation frame 6, the waterproof platform 5, and the bottom 4. A small portion of the water will enter the space between the isolation frame 6 and the socket 7 through the gap between the outer shell 2 and the isolation frame 6. The water between the isolation frame 6 and the socket 7 flows into the drain shell 9 through the inclined block 11. The gravitational potential energy generated by the inclined block 11 pushes the baffle 12 outward, allowing the water to be discharged outward through the drain shell 9, thereby preventing water from flowing into the space between the resistor body 1 and the socket 7 and causing a short circuit.
[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A waterproof sealing structure of a blower resistor, comprising a resistor body (1), characterized in that, The waterproof shell (2) is fixed outside the resistor body (1), and the waterproof base (3) is inserted into the bottom of the resistor body (1), the waterproof base (3) comprises a bottom plate (4), a waterproof table (5) fixed on the top of the bottom plate (4), an isolation frame (6) fixed on the top of the waterproof table (5), an insertion seat (7) arranged in the isolation frame (6), a drainage mechanism (8) arranged around the insertion seat (7), the drainage mechanism (8) comprises a drainage shell (9) and a resistance component (10), the resistance component (10) comprises an inclined block (11), a baffle (12) arranged on one side of the inclined block (11), a connecting rod (13) fixed on the top of the outer wall of both ends of the baffle (12), a light spring (14) connected to the outer wall on one side of the baffle (12), and a connecting block (15) fixed on one end of the light spring (14).
2. A waterproof seal for a blower resistor according to claim 1, wherein The top of the inner wall around the waterproof shell (2) is matched with the specification of the outer wall around the resistor body (1), and the connection between the waterproof shell (2) and the resistor body (1) is bonded by waterproof glue.
3. A waterproof seal for a blower resistor according to claim 1, wherein The specification of the inner wall around the isolation frame (6) is matched with the specification of the bottom of the outer wall around the waterproof shell (2), and the specification of the outer wall around the insertion seat (7) is matched with the specification of the bottom of the inner wall around the waterproof shell (2).
4. A waterproof seal for a blower resistor according to claim 1, wherein The top of the waterproof table (5) and the bottom of the outer wall around the isolation frame (6) are provided with openings, and the drainage shell (9) is inserted and fixed in the openings.
5. A waterproof seal for a blower resistor according to claim 1, wherein The top of the drainage shell (9) is provided with symmetrically distributed clamping grooves, and the connecting rod (13) is rotatably connected with the clamping grooves.
6. A waterproof seal for a blower resistor according to claim 1, wherein The sealing frame is arranged between the isolation frame (6) and the insertion seat (7), and the height of the sealing frame is matched with the height of the inclined block (11).
7. A waterproof seal for a blower resistor according to claim 1, wherein The connecting block (15) is fixed on the outer wall of the drainage shell (9), and the bottom of the baffle (12) abuts against one end of the bottom of the inclined block (11).
Citation Information
Patent Citations
Air -blower resistance
CN207718968U