Bathroom low-voltage direct-current variable-frequency blowing and discharging integrated motor structure
The integrated motor structure simplifies assembly and disassembly of bathroom ventilation fans by using a low-voltage DC system with a mounting mechanism, enabling easy conversion between blowing and exhausting functions.
Patent Information
- Application Number
- CN202420977971.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-08
AI Technical Summary
Existing bathroom ventilation fans and hair dryers are independent devices, occupying large space and requiring cumbersome assembly and disassembly.
A low-voltage DC variable frequency blowing and exhausting integrated motor structure with a mounting and disassembly mechanism, featuring a rotating shaft, sleeves, buttons, push plates, and movable plates connected by springs and guide rods, allowing easy assembly and disassembly of fan blades and molds.
Facilitates quick conversion between blowing and exhausting functions and simplifies the installation and disassembly process of fan blades and motor components.
Smart Images

Figure CN222276992U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bathroom electrical appliances, in particular to a low-voltage direct current variable frequency blowing and exhausting integrated motor structure for a bathroom. Background Art
[0002] The bathroom is a space used for bathing and personal hygiene, usually including facilities such as showers, bathtubs, washbasins, toilets and storage space. In modern homes, the bathroom is usually designed as an independent room to provide privacy and comfort. Therefore, when using the bathroom, exhaust fans and hair dryers are usually installed to form a ventilation system to ensure ventilation of the bathroom.
[0003] The ventilation systems currently on the market usually use motors to drive fans to rotate, thereby achieving the effect of ventilation or blowing air. However, most of the ventilation fans and hair dryers commonly used in bathrooms are independent devices, which not only take up a large space, but also have high energy consumption, and it is more troublesome to remove and install the fan from the motor output shaft. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides a low-voltage DC variable frequency blowing and exhausting integrated motor structure for the bathroom, aiming to improve the problem that most of the ventilation fans and hair dryers in the prior art are independent devices and it is inconvenient to assemble and disassemble the fans.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a low-voltage DC variable frequency blowing and exhausting integrated motor structure for a bathroom, comprising an upper mold, a mounting and disassembly mechanism is arranged on the lower side of the upper mold, a circuit board is fixedly connected to the middle part of the bottom wall of the upper mold, a shell is fixedly connected to the top wall of the upper mold, a wire package is arranged on the outer wall of the upper part of the upper mold, two bearings are clamped on the upper inner wall of the upper mold, a rotating shaft is clamped on the inner wall of the two bearings, a sleeve is sleeved on the top end of the rotating shaft, a fixed block is fixedly connected to the front and rear sides of the sleeve, buttons are passed through the two fixed blocks, and push plates are fixedly connected to the close ends of the two buttons, chambers are opened on the front and rear sides of the upper inner part of the rotating shaft, and movable plates 2 are slidably connected in the two chambers, and the upper and lower parts of the close sides of the two movable plates are fixedly connected to one end of spring 3, and the other ends of multiple springs 3 are fixedly connected to the inner wall of the chamber, and the two moving plates are fixedly connected to the away sides of the two moving plates, and the away ends of the two blocks are penetrated into the fixed block.
[0006] As a further description of the above technical solution:
[0007] The assembly and disassembly mechanism includes a lower mold, which is attached to the bottom wall of the upper mold, and through grooves are provided on both sides of the lower mold. Both sides of the bottom wall of the upper mold are fixedly connected with plug blocks, and the two plug blocks penetrate into the lower mold. A movable plate 1 is slidably connected in the two through grooves, and a clamping block 1 is fixedly connected to the rear wall of the two movable plates 1, and the two clamping blocks 1 penetrate into the plug blocks. The upper and lower parts of the two movable plates 1 away from the front side are fixedly connected with a spring 1, and the front ends of multiple springs 1 are fixedly connected to the front wall in the through groove, and the two movable plates 1 away from the sides are fixedly connected with a pull rod.
[0008] As a further description of the above technical solution:
[0009] The upper and lower parts of the two push plates that are away from each other are fixedly connected with springs 2, and the two ends of the springs at the front and rear sides that are away from each other are fixedly connected to the inner wall of the fixed block.
[0010] As a further description of the above technical solution:
[0011] The upper and lower parts of the two push plates are penetrated by limiting rods, and the front and rear ends of the plurality of limiting rods are fixedly connected to the inner wall of the fixing block.
[0012] As a further description of the above technical solution:
[0013] The upper and lower parts of the two movable plates 2 are penetrated by guide rods 2, and the front and rear ends of the plurality of guide rods 2 are fixedly connected to the front and rear inner walls of the chamber.
[0014] As a further description of the above technical solution:
[0015] The front and rear walls of the upper mold and the lower mold are fixedly connected with evenly distributed anti-slip strips.
[0016] As a further description of the above technical solution:
[0017] The front and rear sides of the bottom wall of the upper mold are fixedly connected with positioning strips, and the two positioning strips penetrate into the lower mold.
[0018] As a further description of the above technical solution:
[0019] A guide rod 1 is passed through the upper and lower parts of the two movable plates 1, and the front and rear ends of the plurality of guide rods 1 are fixedly connected to the front and rear walls in the through slot.
[0020] The utility model has the following beneficial effects:
[0021] 1. In the utility model, the connected fan blades can be controlled to blow or exhaust air through the circuit board. When the fan blades need to be installed, the sleeve can be directly inserted into the top of the shaft to fix it. When it needs to be disassembled, it is only necessary to press the button to cancel the limit between the shaft and the sleeve, thereby achieving the effect of switching the blowing and exhausting functions and facilitating the installation and disassembly of the fan blades.
[0022] 2. In the utility model, the upper mold and the lower mold can be disassembled by pulling the pull rod. When they need to be installed, they only need to insert the plug block into the lower mold. When the plug block is fully inserted, the spring 1 can be used to insert the card block into the plug block for fixing, thereby achieving the effect of facilitating the assembly and disassembly of the upper mold and the lower mold. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a three-dimensional diagram of the structure of a low-voltage DC variable frequency blowing and exhausting integrated motor for a bathroom proposed by the utility model;
[0024] Figure 2 This is a side sectional view of a low-voltage DC variable frequency blowing and exhausting integrated motor structure for a bathroom proposed by the utility model;
[0025] Figure 3 It is a side partial cross-sectional view of a low-voltage DC variable frequency blowing and exhausting integrated motor structure for a bathroom proposed by the utility model;
[0026] Figure 4 for Figure 3 Enlarged view of point A in the middle.
[0027] Legend:
[0028] 1. Upper mold; 2. Assembly and disassembly mechanism; 201. Lower mold; 202. Positioning strip; 203. Anti-slip strip; 204. Through slot; 205. Pull rod; 206. Guide rod one; 207. Spring one; 208. Moving plate one; 209. Block one; 210. Insert block; 3. Circuit board; 4. Sleeve; 5. Fixed block; 6. Button; 7. Wire package; 8. Bearing; 9. Rotating shaft; 10. Chamber; 11. Limit rod; 12. Spring two; 13. Push plate; 14. Block two; 15. Moving plate two; 16. Guide rod two; 17. Spring three; 18. Housing. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] Reference Figure 1 , Figure 2 and Figure 4 , The utility model provides an embodiment: a low-voltage DC variable frequency blowing and exhausting integrated motor structure for bathroom, comprising an upper mold 1, a mounting and disassembly mechanism 2 is arranged on the lower side of the upper mold 1, a circuit board 3 is fixedly connected to the middle of the bottom wall of the upper mold 1, a shell 18 is fixedly connected to the top wall of the upper mold 1, a wire package 7 is arranged on the upper outer wall of the upper mold 1, two bearings 8 are clamped on the upper inner wall of the upper mold 1, a rotating shaft 9 is clamped on the inner wall of the two bearings 8, a sleeve 4 is sleeved on the top end of the rotating shaft 9, a fixing block 5 is fixedly connected to the front and rear sides of the sleeve 4, buttons 6 are passed through the two fixing blocks 5, push plates 13 are fixedly connected to the near ends of the two buttons 6, and chambers 10 are opened on the front and rear sides of the upper inner part of the rotating shaft 9, The two chambers 10 are both slidably connected with a moving plate 2 15, and the upper and lower parts of the two moving plates 2 15 on the approaching side are fixedly connected with one end of a spring 3 17, and the other ends of multiple springs 3 17 are fixedly connected to the inner wall of the chamber 10, and the two moving plates 2 15 are fixedly connected with a clamping block 2 14 on the away side, and the away ends of the two clamping blocks 2 14 are penetrated into the fixed block 5; the upper and lower parts of the two push plates 13 on the away side are fixedly connected with a spring 2 12, and the away ends of the front and rear springs 2 12 are fixedly connected to the inner wall of the fixed block 5; the upper and lower parts of the two push plates 13 are penetrated by the limiting rod 11, and the front and rear ends of multiple limiting rods 11 are fixedly connected to the inner wall of the fixed block 5;
[0031] Specifically, the user can transmit a signal to the circuit board 3 by pressing a button. When the circuit board 3 receives the corresponding signal, it can control the wire package 7 to be energized, so that the shaft 9 can be driven to rotate under the action of the bearing 8, and then the fan blades connected to the output end of the motor can be controlled to blow or exhaust air. When the fan blades need to be installed, the sleeve 4 can be directly inserted into the top of the shaft 9 and contact the block 2 14, so that the block 2 14 can be pushed. When the block 2 14 moves, it will drive the moving plate 2 15 to move and compress the spring 3 17. When the sleeve 4 is fully inserted into the shaft 9, the spring 3 17 Under the action of , the movable plate 15 can be pushed to drive the card block 14 to be inserted into the sleeve 4 for fixing. When disassembly is required, the staff only needs to press the button 6 to push the card block 14 to retract into the chamber 10 through the push plate 13, so that the limit between the rotating shaft 9 and the sleeve 4 can be cancelled, thereby achieving the conversion of the blowing and exhausting functions and facilitating the assembly and disassembly of the fan blades. At the same time, when the push plate 13 moves, it will also pull the spring 2 12. When the button 6 is released, the push plate 13 can be pulled under the action of the spring 2 12 to drive the button 6 to reset, and under the action of the limit rod 11, the stability of the movement of the push plate 13 can be guaranteed.
[0032] Reference Figure 1 , Figure 2 and Figure 3, the assembly and disassembly mechanism 2 includes a lower mold 201, the lower mold 201 is attached to the bottom wall of the upper mold 1, through grooves 204 are opened on both sides of the lower mold 201, and plug blocks 210 are fixedly connected to both sides of the bottom wall of the upper mold 1, and the two plug blocks 210 are inserted into the lower mold 201, and the two through grooves 204 are slidably connected with a movable plate 208, and the rear walls of the two movable plates 208 are fixedly connected with a clamping block 209, and the two clamping blocks 209 are inserted into the plug blocks 210, and the upper and lower parts of the two movable plates 208 away from the front side are fixedly connected with springs 207, and the front ends of multiple springs 207 are fixedly connected to the front wall of the through groove 204, and the two movable plates 208 are fixedly connected with pull rods 205 on the away sides; the upper and lower parts of the two movable plates 208 are penetrated by guide rods 206, and the front and rear ends of multiple guide rods 206 are fixedly connected to the front and rear walls of the through groove 204;
[0033] Specifically, the block 209 can be driven to move by pulling the pull rod 205. When the block 209 moves, the block 209 can be driven to move and be pulled out from the insert block 210. When the block 209 is pulled out, the limit of the insert block 210 can be cancelled and the upper mold 1 and the lower mold 201 can be disassembled. When it is necessary to install it, the staff only needs to insert the insert block 210 fixed on the bottom wall of the upper mold 1 into the lower mold 201. When the insert block 210 is fully inserted, it will contact with the block 209 and squeeze the block 209. When the block 209 moves, it will drive the movable plate 208 to compress the spring 207. When the insert block 210 is fully inserted, the movable plate 208 and the block 209 can be pushed to reset under the action of the spring 207, and the block 209 can be inserted into the insert block 210 for fixation, so as to facilitate the assembly and disassembly of the upper mold 1 and the lower mold 201. At the same time, under the action of the guide rod 206, the stability of the movement of the movable plate 208 can be guaranteed and the spring 207 can be prevented from bending after being compressed.
[0034] Reference Figure 1 , Figure 3 and Figure 4 , the upper and lower parts of the two movable plates 15 are penetrated by guide rods 16, and the front and rear ends of the plurality of guide rods 16 are fixedly connected to the front and rear walls of the chamber 10;
[0035] Specifically, the guide rod 2 16 is provided to limit the movable plate 2 15 to ensure the stability of the movement of the movable plate 2 15 , and at the same time, the spring 3 17 can be limited to prevent the spring 3 17 from bending after being compressed.
[0036] Reference Figure 1 and Figure 3, the front and rear walls of the upper mold 1 and the lower mold 201 are fixedly connected with uniformly distributed anti-slip strips 203; the front and rear sides of the bottom wall of the upper mold 1 are fixedly connected with positioning strips 202, and the two positioning strips 202 penetrate into the lower mold 201;
[0037] Specifically, by providing a positioning strip 202, the upper mold 1 and the lower mold 201 can be positioned when they are fitted together, thereby facilitating the installation and fixation of the upper mold 1 and the lower mold 201. At the same time, by providing an anti-slip strip 203, the friction force can be increased, making it easier for staff to disassemble the upper mold 1 and the lower mold 201.
[0038] Working principle: In actual use, the circuit board 3 can control the wire package 7 to be energized, so that the shaft 9 can be driven to rotate under the action of the bearing 8, and then the fan blades connected to the output end of the motor can be controlled to blow or exhaust air. When the fan blades need to be installed, the sleeve 4 can be directly inserted into the top of the shaft 9 and pushed with the block 2 14. When the sleeve 4 is fully inserted into the shaft 9, the block 2 14 can be pushed into the sleeve 4 for fixing under the action of the spring 3 17. When disassembly is required, the staff only needs to press the button 6 to push the block 2 14 into the chamber 10 through the push plate 13, thereby canceling the shaft 9 and the sleeve. The limit between the cylinder 4 can achieve the effect of switching the blowing and exhausting functions and facilitating the assembly and disassembly of the fan blades; in addition, by pulling the pull rod 205, the block 209 can be driven to be pulled out from the plug block 210, so that the limit on the plug block 210 can be cancelled and the upper mold 1 and the lower mold 201 can be disassembled. When it is necessary to install it, it is only necessary to insert the plug block 210 fixed on the bottom wall of the upper mold 1 into the lower mold 201. When the plug block 210 is fully inserted, the spring 207 can be used to make the block 209 inserted into the plug block 210 for fixing, thereby achieving the effect of facilitating the assembly and disassembly of the upper mold 1 and the lower mold 201.
[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A low-voltage DC variable frequency blowing and exhausting integrated motor structure for a bathroom, comprising an upper mold (1), characterized in that: The lower side of the upper mold (1) is provided with an assembly and disassembly mechanism (2), the middle part of the bottom wall of the upper mold (1) is fixedly connected with a circuit board (3), the top wall of the upper mold (1) is fixedly connected with a shell (18), the upper outer wall of the upper mold (1) is provided with a wire package (7), the upper inner wall of the upper mold (1) is clamped with two bearings (8), the inner walls of the two bearings (8) are clamped with a rotating shaft (9), the top end of the rotating shaft (9) is sleeved with a sleeve (4), the front and rear sides of the sleeve (4) are fixedly connected with a fixing block (5), the two fixing blocks (5) are penetrated with buttons (6), and the two buttons (6) are ) are fixedly connected with a push plate (13) at the close ends, the front and rear sides of the upper inner part of the rotating shaft (9) are provided with a chamber (10), and the two chambers (10) are slidably connected with a movable plate two (15), the upper and lower parts of the close sides of the two movable plates two (15) are fixedly connected with one end of a spring three (17), and the other ends of the multiple springs three (17) are fixedly connected to the inner wall of the chamber (10), and the two movable plates two (15) are fixedly connected with a clamping block two (14) at the far sides, and the far ends of the two clamping blocks two (14) are penetrated into the fixed block (5).
2. A low-voltage DC variable frequency blowing and exhausting integrated motor structure for bathroom according to claim 1, characterized in that: The assembly and disassembly mechanism (2) comprises a lower mold (201), the lower mold (201) is attached to the bottom wall of the upper mold (1), through grooves (204) are provided on both sides of the lower mold (201), plug blocks (210) are fixedly connected to both sides of the bottom wall of the upper mold (1), two of the plug blocks (210) are inserted into the lower mold (201), a movable plate (208) is slidably connected in the two through grooves (204), a clamping block (209) is fixedly connected to the rear wall of the two movable plates (208), the two clamping blocks (209) are inserted into the plug blocks (210), the upper and lower parts of the front sides away from the two movable plates (208) are fixedly connected to springs (207), the front ends of the plurality of springs (207) are fixedly connected to the front wall of the through groove (204), and the sides away from the two movable plates (208) are fixedly connected to pull rods (205).
3. A low-voltage DC variable frequency blowing and exhausting integrated motor structure for bathroom according to claim 1, characterized in that: The upper and lower parts of the two push plates (13) that are away from each other are fixedly connected to springs 2 (12), and the ends of the two springs (12) that are away from each other on the front and rear sides are fixedly connected to the inner wall of the fixed block (5).
4. A low-voltage DC variable frequency blowing and exhausting integrated motor structure for bathroom according to claim 1, characterized in that: The upper and lower parts of the two push plates (13) are penetrated by limiting rods (11), and the front and rear ends of the plurality of limiting rods (11) are fixedly connected to the inner wall of the fixing block (5).
5. The low-voltage DC variable frequency blowing and exhausting integrated motor structure for bathroom according to claim 1, characterized in that: The upper and lower parts of the two movable plates (15) are penetrated by guide rods (16), and the front and rear ends of the plurality of guide rods (16) are fixedly connected to the front and rear walls of the chamber (10).
6. A low-voltage DC variable frequency blowing and exhausting integrated motor structure for bathroom according to claim 2, characterized in that: The front and rear walls of the upper mold (1) and the lower mold (201) are both fixedly connected with uniformly distributed anti-slip strips (203).
7. A low-voltage DC variable frequency blowing and exhausting integrated motor structure for bathroom according to claim 2, characterized in that: The front and rear sides of the bottom wall of the upper mold (1) are fixedly connected with positioning strips (202), and the two positioning strips (202) penetrate into the lower mold (201).
8. The low-voltage DC variable frequency blowing and exhausting integrated motor structure for bathroom according to claim 2, characterized in that: A guide rod 1 (206) is passed through the upper and lower parts of the two movable plates 1 (208), and the front and rear ends of the plurality of guide rods 1 (206) are fixedly connected to the front and rear walls of the through slot (204).