Anti-blocking and anti-explosion floor drain with self-cleaning function
By introducing a motor-driven cutter and spiral blade structure into the explosion-proof floor drain, the blockage problem caused by hair entanglement in the explosion-proof floor drain is solved, automatic cleaning and water flow acceleration are achieved, and the frequency of manual cleaning is reduced.
Patent Information
- Application Number
- CN202422512192.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-17
AI Technical Summary
Existing explosion-proof floor drains are easily clogged during use due to debris such as hair entangled in the filter holes, requiring manual cleaning, which is cumbersome and inconvenient.
A self-cleaning explosion-proof floor drain is designed. It adopts a motor-driven cutter and spiral blade structure. It cuts debris such as hair and uses the spiral blades to increase the impact of water flow to prevent blockage. At the same time, a compression spring and a limit structure are used to ensure that the cutter is close to the bottom of the funnel to improve the cleaning effect.
It realizes automatic cleaning, reduces the possibility of floor drain blockage, improves water flow force, and reduces the need for manual cleaning.
Smart Images

Figure CN223446310U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of explosion -proof floor drain especially, a kind of self-cleaning anti-blocking explosion -proof floor drain. BACKGROUND
[0002] Explosion -proof floor drain, it is a kind of floor drain type for special occasion, generally used in building civil air defense area, mainly have cast iron, PVC, zinc alloy, ceramic, cast aluminum, stainless steel, brass and copper alloy etc.
[0003] The existing explosion -proof floor drain along with use time, its inside often accumulates hair and the like sundries, hair due to its relatively long, often under the impact of water flow, winding at the clearance of floor drain, with constantly accumulates easily cause floor drain blockage, at this time need artificial opening floor drain to clean, it is troublesome and inconvenient to operate. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the above-mentioned shortcomings in prior art and provides a kind of self-cleaning anti-blocking explosion -proof floor drain.
[0005] To achieve the above object, the utility model adopts the following technical scheme: design a kind of self-cleaning anti-blocking explosion -proof floor drain, including mounting plate, slot is set in the middle part of mounting plate, and along the bottom edge of slot installation support plate;
[0006] The funnel is correspondingly provided on the inner side of support plate, a plurality of interval arranged filter holes are formed in the bottom of funnel, and the outer wall of funnel and the inner wall of support plate are gap matched, and the cover plate is provided above the funnel, a plurality of interval arranged through holes are formed in the cover plate;
[0007] Motor box is installed at the bottom of the central portion of cover plate, and drive motor is arranged in motor box, drive shaft is installed at the bottom of drive motor, drive shaft penetrates motor box and is rotationally connected with motor box, a plurality of interval arranged and obliquely arranged cutters are installed at the bottom of drive shaft, the bottom of cutter corresponds to funnel, and helical blade is installed on the upper end of drive shaft.
[0008] Preferably, drive shaft includes sleeve, sleeve is connected with the bottom of drive motor, and sleeve is rotationally connected with motor box, first limit slot is formed on the bottom inner wall of sleeve;
[0009] Connecting shaft is built in the bottom of sleeve, and first limit block corresponding to first limit slot is installed on the top side surface of connecting shaft, wherein, helical blade is fixed on the upper end of connecting shaft, and cutter is installed on the lower end of connecting shaft.
[0010] Preferably, a limiting seat is installed on the top of the connecting shaft, the outer wall of the limiting seat is in clearance fit with the inner wall of the sleeve, a compression spring is arranged in the sleeve, one end of the compression spring is fixed on the top in the sleeve, and the other end of the compression spring is fixed on the limiting seat;
[0011] A screw rod is rotatably installed on the bottom of the connecting shaft, the screw rod penetrates the bottom of the funnel, and a locking nut is arranged on the bottom of the funnel and is threadedly connected to the screw rod.
[0012] Preferably, a top opening casing is installed at the top center of the cover plate, a controller and a battery pack are arranged in the casing, and the controller is connected with the battery pack and the driving motor through wires respectively.
[0013] A sealing cover is threadedly connected to the top of the casing, a flow guide plate is installed on the top of the sealing cover and is downwardly bent at the edge, and a screw hole is installed on the top of the flow guide plate.
[0014] Preferably, a first placing groove is opened along the top edge of the slot, and a skirt is installed along the top edge of the funnel and corresponds to the first placing groove.
[0015] Preferably, a second placing groove is opened along the top edge of the first placing groove, and the edge of the cover plate corresponds to the second placing groove.
[0016] Preferably, a second limiting groove is opened at the edge of the cover plate, and a second limiting block corresponding to the second limiting groove is installed in the second placing groove.
[0017] The design scheme of the utility model has the beneficial effects in the application process:
[0018] 1. The self-cleaning, anti-blocking and explosion-proof floor drain can cut the hair and other sundries accumulated on the filter hole through the rotation of the cutter, and can push the water in the funnel downward when the spiral blade rotates, so as to improve the downward thrust of the water after entering the funnel, and to send the cut hair and other sundries out of the filter hole, thereby reducing the possibility of clogging of the funnel.
[0019] 2. The self-cleaning, anti-blocking and explosion-proof floor drain can make the cutter tightly adhere to the bottom of the funnel without affecting the rotation of the cutter and the spiral blade through the extension of the connecting shaft in the sleeve and the elastic effect of the compression spring, so as to improve the cutting effect of the cutter on the hair and other sundries accumulated in the filter hole. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 The structure of the utility model Figure 1 ;
[0021] Figure 2 The structure of the utility modelFigure 2 ;
[0022] Figure 3 It is the exploded view of the utility model;
[0023] Figure 4 It is the cover plate bottom structure schematic view of the utility model;
[0024] Figure 5 It is the sleeve internal structure schematic view of the utility model.
[0025] In the figure: 1, mounting plate; 2, notch; 3, support plate; 4, funnel; 5, skirt; 6, filter hole; 7, first placing groove; 8, cover plate; 9, second placing groove; 10, casing; 11, sealing cover; 12, guide plate; 13, screw hole; 14, motor box; 15, drive motor; 16, sleeve; 17, connecting shaft; 18, limit seat; 19, compression spring; 20, first limit groove; 21, first limit block; 22, helical blade; 23, cutter; 24, locking nut; 25, through hole; 26, second limit groove; 27, second limit block; 28, screw rod. DETAILED DESCRIPTION
[0026] 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, not all the embodiments.
[0027] Referring to Figures 1-5 , a self-cleaning anti-clogging explosion-proof floor drain includes a mounting plate 1, a notch 2 is formed in the middle of the mounting plate 1, and a support plate 3 is installed along the bottom edge of the notch 2. In actual use, the mounting plate 1 is installed on the ground by one of the following methods: concrete fixing and bolt fixing, and the pipe formed by the support plate 3 is connected to the sewer pipe.
[0028] As Figure 2 and Figure 3 shown, a funnel 4 is arranged on the inner side of the support plate 3, a plurality of filter holes 6 are formed in the bottom of the funnel 4, the outer wall of the funnel 4 is in clearance fit with the inner wall of the support plate 3, a first placing groove 7 is formed along the top edge of the notch 2, and a skirt 5 is installed along the top edge of the funnel 4. The skirt 5 corresponds to the first placing groove 7, and when the funnel 4 is placed in the support plate 3, the skirt 5 can be seated on the first placing groove 7. In this way, the funnel 4 can be supported in the support plate 3, and the funnel 4 can also be easily taken out of the support plate 3.
[0029] As Figure 1 and Figure 3As shown in the funnel 4, the upper part is provided with a cover plate 8, the cover plate 8 is provided with a plurality of through holes 25 arranged in intervals; wherein, as shown in the Figure 4 and Figure 5 As shown, the bottom of the central part of the cover plate 8 is provided with a motor box 14, and the motor box 14 is provided with a driving motor 15, the bottom of the driving motor 15 is provided with a driving shaft, the driving shaft penetrates the motor box 14 and is rotatably connected with the motor box 14, a plurality of cutting knives 23 arranged in intervals and inclined are installed on the bottom of the driving shaft, the cutting knives 23 correspond to the bottom of the funnel 4, and a helical blade 22 is installed on the upper end of the driving shaft, under the operation of the driving motor 15, the cutting knives 23 can rotate on the bottom surface of the funnel 4, so as to cut the hair and other sundries accumulated on the filter holes 6, to prevent the hair from winding on the filter holes 6; with the water continuously entering the funnel 4 from the through holes 25, the rotation of the helical blade 22 also accelerates the water entering the funnel 4, to increase the impact force of the water reaching the bottom surface of the funnel 4, so as to better flush the cut hair out of the filter holes 6, reduce the residual hair in the funnel 4, and reduce the probability of blockage of the filter holes 6.
[0030] It should be noted that, as shown in Figure 5 The driving shaft includes a sleeve 16, the sleeve 16 is connected with the bottom of the driving motor 15, and the sleeve 16 is rotatably connected with the motor box 14, a first limiting groove 20 is formed on the inner wall of the bottom of the sleeve 16, so that the rotation of the sleeve 16 can drive the connecting shaft 17 to rotate together;
[0031] When the cover plate 8 is covered on the funnel 4, the connecting shaft 17 is arranged in the bottom of the sleeve 16, a first limiting block 21 corresponding to the first limiting groove 20 is installed on the top side of the connecting shaft 17, wherein the helical blade 22 is fixed on the upper end of the connecting shaft 17, and the cutting knife 23 is installed on the lower end of the connecting shaft 17, a limiting seat 18 is installed on the top of the connecting shaft 17, the outer wall of the limiting seat 18 is in clearance fit with the inner wall of the sleeve 16, a compression spring 19 is arranged in the sleeve 16, one end of the compression spring 19 is fixed on the top of the sleeve 16, and the other end of the compression spring 19 is fixed on the limiting seat 18, in the actual use process, the sum of the length of the connecting shaft 17 and the length of the sleeve 16 is greater than the length of the axis of the funnel 4, when the cutting knife 23 contacts with the bottom surface of the funnel 4, the connecting shaft 17 will be retracted into the sleeve 16, so as to compress the compression spring 19, so that the compression spring 19 generates a downward elastic force on the connecting shaft 17, so that the cutting knife 23 can tightly adhere to the bottom surface of the funnel 4, to improve the cutting effect of the cutting knife 23 on the hair and other sundries.
[0032] In order to ensure the compression state of the compression spring 19, the bottom of the connecting shaft 17 is rotatably installed with a screw rod 28, the screw rod 28 penetrates the bottom of the hopper 4, and a locking nut 24 is arranged at the bottom of the hopper 4, the locking nut 24 is threadedly connected on the screw rod 28, and the bottom of the connecting shaft 17 is fixed without affecting the rotation of the connecting shaft 17, so that it is stable on the hopper 4, and a second placing groove 9 is formed along the top edge of the first placing groove 7, and the edge of the cover plate 8 corresponds to the second placing groove 9, at this time, the compression spring 19 also provides a downward pulling force to the cover plate 8, so that it can be tightly attached in the second placing groove 9.
[0033] Further, as shown in Figure 1 and Figure 3 The edge of the cover plate 8 is provided with a second limiting groove 26, and the second limiting block 27 corresponding to the second limiting groove 26 is installed in the second placing groove 9, so that the cover plate 8 is limited in the second placing groove 9, and the cover plate 8 cannot rotate in the second placing groove 9, thereby affecting the rotation of the driving shaft driven by the driving motor 15.
[0034] Specifically, a top opening type shell 10 is installed at the top center of the cover plate 8, the shell 10 is provided with a controller and a battery pack, the controller is connected with the battery pack and the driving motor 15 through wires, and provides power for the operation of the driving motor 15; a sealing cover 11 is threadedly connected at the top of the shell 10, and a deflector 12 is installed at the top of the sealing cover 11, the edge of the deflector 12 is downwardly bent, a screw hole 13 is installed at the top of the deflector 12, which facilitates the disassembly and assembly of the sealing cover 11, and facilitates the replacement of the battery pack.
[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A self-cleaning, anti-clogging and explosion-proof floor drain, characterized by: It comprises a mounting plate (1), a notch (2) is provided in the middle of the mounting plate (1), and a support plate (3) is installed along the bottom edge of the notch (2); A funnel (4) is provided on the inner side of the support plate (3), and a plurality of filter holes (6) are provided at the bottom of the funnel (4). The outer wall of the funnel (4) is fitted with a gap between the inner wall of the support plate (3). A cover plate (8) is provided above the funnel (4), and a plurality of through holes (25) are provided on the cover plate (8). A motor box (14) is installed at the bottom of the center of the cover plate (8), and a drive motor (15) is provided in the motor box (14). A drive shaft is installed at the bottom of the drive motor (15), and the drive shaft passes through the motor box (14) and is rotatably connected to the motor box (14). A plurality of cutters (23) arranged at intervals and arranged obliquely are installed at the bottom of the drive shaft, and the cutters (23) correspond to the bottom of the funnel (4). A spiral blade (22) is installed at the upper end of the drive shaft.
2. The self-cleaning, anti-clogging and explosion-proof floor drain according to claim 1, characterized in that: The drive shaft includes a sleeve (16), the sleeve (16) is connected to the bottom of the drive motor (15), and the sleeve (16) is rotatably connected to the motor box (14), and a first limiting groove (20) is provided on the inner wall of the bottom of the sleeve (16); A connecting shaft (17) is built into the bottom of the sleeve (16), and a first limiting block (21) corresponding to the first limiting groove (20) is installed on the top side of the connecting shaft (17), wherein the spiral blade (22) is fixed to the upper end of the connecting shaft (17), and the cutter (23) is installed at the lower end of the connecting shaft (17).
3. The self-cleaning, anti-clogging and explosion-proof floor drain according to claim 2, characterized in that: A limit seat (18) is installed on the top of the connecting shaft (17), and the outer wall of the limit seat (18) is clearance-matched with the inner wall of the sleeve (16). A compression spring (19) is provided in the sleeve (16), one end of the compression spring (19) is fixed on the top of the sleeve (16), and the other end of the compression spring (19) is fixed on the limit seat (18); A screw rod (28) is rotatably mounted on the bottom of the connecting shaft (17), the screw rod (28) passes through the bottom of the funnel (4), and a locking nut (24) is provided at the bottom of the funnel (4), and the locking nut (24) is threadedly connected to the screw rod (28).
4. The self-cleaning, anti-clogging and explosion-proof floor drain according to claim 1, characterized in that: A housing (10) with a top opening is installed at the center of the top of the cover plate (8). A controller and a battery pack are installed in the housing (10). The controller is connected to the battery pack and the drive motor (15) through wires. A sealing cover (11) is threadedly connected to the top of the housing (10), and a guide plate (12) with an edge bent downward is installed on the top of the sealing cover (11), and a screw hole (13) is installed on the top of the guide plate (12).
5. The self-cleaning, anti-clogging and explosion-proof floor drain according to claim 1, characterized in that: A first placement groove (7) is provided along the top edge of the notch (2), and a skirt (5) is installed along the top edge of the funnel (4), the skirt (5) corresponding to the first placement groove (7).
6. The self-cleaning, anti-clogging and explosion-proof floor drain according to claim 5, characterized in that: A second placement groove (9) is provided along the top edge of the first placement groove (7), and the edge of the cover plate (8) corresponds to the second placement groove (9).
7. The self-cleaning, anti-clogging and explosion-proof floor drain according to claim 6, characterized in that: A second limiting groove (26) is provided at the edge of the cover plate (8), and a second limiting block (27) corresponding to the second limiting groove (26) is installed in the second placement groove (9).