Full-automatic self-cleaning pre-filter anti-clamping rerotation structure and pre-filter

Abstract

The utility model relates to a full-automatic self-cleaning pre-filter anti-clamping rerotation structure which comprises a scraping cleaning framework and a framework end cover, the framework end cover is provided with a shaft assembly cavity and a transmission shaft, the transmission shaft extends in the axial direction of the scraping cleaning framework, a semi-connection structure is arranged between the framework end cover and the transmission shaft, the framework end cover is further provided with an adjusting mechanism, and the adjusting mechanism comprises an adjusting piece. When the transmission shaft moves downwards relative to the shaft assembling cavity shaft, the framework end cover is connected with the transmission shaft, the adjusting piece is connected with the scraping and washing framework, the framework end cover and the scraping and washing framework can synchronously rotate along with the transmission shaft and move downwards, then the scraping and washing framework is separated from the framework end cover, and the scraping and washing framework can be driven by rotating water flow to rotate. When the transmission shaft moves upwards relative to the shaft assembling cavity shaft, the framework end cover is connected with the transmission shaft through counter-acting force, the adjusting piece is connected with the scraping and washing framework, the adjusting piece and the scraping and washing framework can be separated after the framework end cover and the scraping and washing framework synchronously rotate along with the transmission shaft, and the scraping and washing framework can be driven by rotating water flow to rotate.

Description

Technical Field

[0001] The utility model relates to a full-automatic self-cleaning pre-filter anti-stuck re-rotation structure and a pre-filter, belonging to the technical field of water purification equipment. Background Art

[0002] The pre-filter in the prior art includes: a machine head, a filter bottle connected to the machine head at the upper end, a drainage ball valve connected to the lower end of the filter bottle, a filter screen frame is arranged in the filter bottle, and a filter screen is sleeved on the outer wall of the filter screen frame. During use, water flows from the water inlet of the machine head into the gap between the filter bottle and the filter screen, flows into the center of the filter screen frame after being filtered by the filter screen, and then flows from the center of the filter screen frame to the water outlet of the machine head. The pre-filter has now penetrated into thousands of households and high-end hotels.

[0003] The existing filter element assembly will be clogged after long-term use and needs to be replaced or cleaned. In the prior art, there are filters with self-cleaning functions on the outer wall of the filter screen and / or the inner wall of the filter bottle, which are mainly used to solve the problem of dirt adhering to the surface of the filter screen and the filter bottle during the use of the filter. It can keep the filter filtering impurities and dirt in the water for a long time and effectively, and reduce the number of times the filter is disassembled and maintained. However, it still has the following shortcomings: when there are too many impurities, it will still cause the cleaning (scraping) skeleton to get stuck, resulting in the inability to rotate to achieve cleaning (scraping), and it is necessary to disassemble the machine head and the filter bottle to remove the impurities and reset. The utility model aims to provide a fully automatic self-cleaning pre-filter anti-stuck re-rotation structure and pre-filter with a more optimized structure, which does not require the disassembly of the machine head and the filter bottle to solve the problem of jamming and resetting. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the pre-filter of the prior art and provide a fully automatic self-cleaning pre-filter anti-stuck re-rotation structure and a pre-filter. The pre-filter structure is more optimized and easy to install, use and maintain. When the pre-filter solves the problem of cleaning (scraping) skeleton jamming and resetting, it is not necessary to disassemble the filter bottle and the machine head, and the operation is more convenient.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A fully automatic self-cleaning pre-filter anti-stuck re-rotation structure comprises a scraping frame and a frame end cover at the bottom end of the scraping frame capable of relatively rotating.

[0007] The frame end cover is provided with a shaft assembly cavity, the shaft assembly cavity is adapted to be provided with a transmission shaft, the transmission shaft extends along the axial direction of the scraping and washing frame, a semi-connection structure is provided between the frame end cover and the transmission shaft, and the frame end cover is also provided with an adjustment mechanism, and the adjustment mechanism includes an adjustment member;

[0008] The transmission shaft can move up and down relative to the shaft assembly cavity axis. When the transmission shaft moves downward relative to the shaft assembly cavity axis, the skeleton end cover is connected to the transmission shaft, and the adjusting part is connected to the scraping and washing skeleton. The skeleton end cover and the scraping and washing skeleton can rotate synchronously with the transmission shaft and move downward. After that, the scraping and washing skeleton and the skeleton end cover are separated, and the scraping and washing skeleton can be driven to rotate with the rotating water flow; when the transmission shaft moves upward relative to the shaft assembly cavity axis, the skeleton end cover is connected to the transmission shaft through reaction force, and the adjusting part is connected to the scraping and washing skeleton. After that, the skeleton end cover and the scraping and washing skeleton can rotate synchronously with the transmission shaft and the adjusting part is separated from the scraping and washing skeleton, and the scraping and washing skeleton can be driven to rotate with the rotating water flow.

[0009] Preferably, the transmission shaft is provided with at least one convex key or concave key, and the skeleton end cover is provided with at least one matching concave key or convex key, and the cooperation of the convex key and the concave key constitutes a semi-connection structure.

[0010] Preferably, the adjustment mechanism includes a transmission pin and an elastic reset element. An adjustment mechanism assembly cavity is provided in the end cover of the skeleton. The elastic reset element is sleeved on the transmission pin, and the two ends are respectively abutted against the transmission pin and the side walls of the adjustment mechanism assembly cavity. When the transmission shaft moves downward, it can drive the transmission pin to compress the elastic reset element and extend out of the adjustment mechanism assembly cavity, and the end of the transmission pin is connected to the scraping and washing skeleton; when the transmission shaft moves upward, the elastic reset element resets and drives the transmission pin to retract into the adjustment mechanism assembly cavity, and the end of the transmission pin is disconnected from the scraping and washing skeleton.

[0011] Preferably, the transmission shaft is provided with a driving portion, the driving portion is provided with a driving surface matched with the inner end portion of the transmission pin, the driving surface is an inclined surface, and the inner end portion of the transmission pin is provided with an adaptive inclined surface.

[0012] Preferably, the driving surface is a 45° inclined surface, and when the skeleton end cover is connected to the transmission shaft, the end surface of the driving part abuts against the end surface of the transmission pin.

[0013] Preferably, the adjustment mechanism further comprises a transmission pin bracket, and the transmission pin is fixed in the assembly cavity of the adjustment mechanism through the transmission pin bracket.

[0014] Preferably, the bottom end of the scraping and washing frame is provided with at least one slot that can be matched with the end of the driving pin, and when the driving pin is extended, it cooperates with the slot to achieve connection.

[0015] A fully automatic self-cleaning pre-filter comprises a machine head, a filter bottle, a filter element structure arranged in the filter bottle, a driving motor and a control switch. The filter element structure is circumferentially sleeved with a scraping structure, and the scraping structure adopts an anti-stuck and re-rotating structure of the fully automatic self-cleaning pre-filter. The end of the transmission shaft is connected to the output shaft of the driving motor.

[0016] Preferably, the scraping and washing skeleton is also provided with an adaptive impeller structure, which is driven by rotating water flow to drive the scraping and washing skeleton to rotate, and a supporting spring is also provided at the bottom end of the fully automatic self-cleaning pre-filter anti-stuck complex rotation structure.

[0017] Preferably, the scraping and washing skeleton is further provided with a water channel booster near the water inlet direction, the water channel booster is provided with a spiral water flow channel, and the incoming water passes through the water channel booster to generate a spiral water flow.

[0018] The beneficial effects of the utility model are:

[0019] The pre-filter has a more optimized structure and is easy to install, use and maintain. When the pre-filter solves the problem of frame jamming and resetting during cleaning (scraping), it does not need to disassemble the filter bottle and the machine head, making the operation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the utility model (normal filtering state);

[0023] Figure 4 yes Figure 3 A cross-sectional view of

[0024] Figure 5 It is a structural schematic diagram of the utility model (sewage discharge working state);

[0025] Figure 6 yes Figure 5 sectional view of .

[0026] In the figure: 1. water channel booster, 2. impeller structure, 3. scraper frame, 31. slot, 4. transmission shaft, 5. convex key, 6. driving part, 7. concave key, 8. transmission pin, 9. transmission pin bracket, 10. elastic reset element (annular spring), 11. transmission pin abutment part, 12. frame end cover, 13. support spring. DETAILED DESCRIPTION

[0027] The technical solution of the utility model is further described in detail below through specific embodiments and in conjunction with the accompanying drawings.

[0028] like Figure 1-6 As shown, a fully automatic self-cleaning pre-filter anti-stuck re-rotation structure comprises a scraping and washing skeleton 3 and a skeleton end cover 12 located at the bottom end of the scraping and washing skeleton 3 and capable of relatively rotating.

[0029] The frame end cover 12 is provided with a shaft assembly cavity, the shaft assembly cavity is adapted to be provided with a transmission shaft 4, the transmission shaft 4 extends axially along the scraping frame 3, a semi-connection structure is provided between the frame end cover 12 and the transmission shaft 4, and the frame end cover 12 is also provided with an adjustment mechanism, and the adjustment mechanism includes an adjustment member;

[0030] The transmission shaft 4 can move up and down relative to the axis of the shaft assembly cavity. When the transmission shaft 4 moves downward relative to the axis of the shaft assembly cavity, the skeleton end cover 12 is connected to the transmission shaft 4, and the adjusting part is connected to the scraping and washing skeleton 3. The skeleton end cover 12 and the scraping and washing skeleton 3 can rotate synchronously with the transmission shaft 4. After moving downward for a stroke, the scraping and washing skeleton 3 and the skeleton end cover 12 are separated, and the scraping and washing skeleton 3 can be driven to rotate with the rotating water flow; when the transmission shaft 4 moves upward relative to the axis of the shaft assembly cavity, the skeleton end cover 12 is connected to the transmission shaft 4 through the reaction force, and the adjusting part is connected to the scraping and washing skeleton 3. The skeleton end cover 12 and the scraping and washing skeleton 3 can rotate synchronously with the transmission shaft 4. After moving upward for a stroke, the adjusting part and the scraping and washing skeleton 3 are separated, and the scraping and washing skeleton 3 can be driven to rotate with the rotating water flow.

[0031] Specifically, the transmission shaft 4 is provided with at least one convex key 5 or concave key, and the skeleton end cover 12 is provided with at least one matching concave key 7 or convex key, and the cooperation of the convex key 5 and the concave key 7 constitutes a semi-connected structure.

[0032] Specifically, the adjustment mechanism includes a transmission pin 8 and an elastic reset element 10. An adjustment mechanism assembly cavity is provided in the skeleton end cover 12. The elastic reset element 10 is sleeved on the transmission pin 8, and the two ends are respectively abutted against the transmission pin 8 (transmission pin abutment portion 11) and the side wall of the adjustment mechanism assembly cavity. When the transmission shaft 4 moves downward, it can drive the transmission pin 8 to compress the elastic reset element 10 and extend it out of the adjustment mechanism assembly cavity, and the end of the transmission pin 8 is connected to the scraping and washing skeleton 3; when the transmission shaft 4 moves upward, the elastic reset element 10 resets and drives the transmission pin 8 to retract into the adjustment mechanism assembly cavity, and the end of the transmission pin 8 is disconnected from the scraping and washing skeleton 3.

[0033] Specifically, the transmission shaft 4 is provided with a driving portion 6, and the driving portion 6 is provided with a driving surface matched with the inner end of the transmission pin 8, the driving surface is an inclined surface, and the inner end of the transmission pin 8 is provided with an adaptive inclined surface.

[0034] Specifically, the driving surface is a 45° inclined surface. When the skeleton end cover 12 is connected to the transmission shaft 4 , the end surface of the driving part abuts against the end surface of the transmission pin 8 .

[0035] Specifically, the adjustment mechanism further includes a transmission pin bracket 9, and the transmission pin 8 is fixed in the adjustment mechanism assembly cavity through the transmission pin bracket 9.

[0036] Specifically, at least one slot that can be matched with the end of the driving pin 8 is provided at the bottom end of the scraping and washing skeleton 3. When the driving pin 8 is extended, it cooperates with the slot to achieve connection.

[0037] A fully automatic self-cleaning pre-filter comprises a machine head, a filter bottle, a filter element structure arranged in the filter bottle, a drive motor, a support spring and a control switch. The filter element structure is circumferentially sleeved with a scraping structure, and the scraping structure adopts an anti-stuck and re-rotation structure of the fully automatic self-cleaning pre-filter. The end of the transmission shaft is connected to the output shaft of the drive motor.

[0038] In this embodiment, the scraping and washing skeleton 3 is further provided with an adaptive impeller structure 2. The impeller structure 2 is driven by rotating water flow, which can drive the scraping and washing skeleton 3 to rotate.

[0039] In this embodiment, the scraping and washing skeleton 3 is further provided with a water channel booster 1 near the water inlet direction. The water channel booster 1 is provided with a spiral water flow channel, and the incoming water passes through the water channel booster 1 to generate a spiral water flow.

[0040] The beneficial effects of the utility model are:

[0041] The pre-filter has a more optimized structure and is easy to install, use and maintain. When the pre-filter solves the problem of frame jamming and resetting during cleaning (scraping), it does not need to disassemble the filter bottle and the machine head, making the operation more convenient.

[0042] like Figure 5-6 As shown, in the working state of sewage discharge, the transmission shaft 4 works downward when the driving motor rotates. While working downward, the transmission shaft 4 has a 45-degree inclined driving part position to match the transmission pin 8 end with a 45-degree inclined position contact surface to move outward under the condition of overcoming the spring force of the transmission pin. One end of the transmission pin 8 has a ball head arc surface, and the arc surface automatically finds the matching groove arc surface on the scraping and washing skeleton 3 through point contact. When the transmission shaft 4 is downward, the convex key 5 of the transmission shaft 4 matches the concave key 7 position of the skeleton end cover 12, driving the entire skeleton end cover 12 to rotate together. The transmission pin 8 drives the scraping and washing skeleton 3 to rotate to solve the problem that the scraping and washing net skeleton 3 cannot rotate when there are too many impurities. On the contrary, when the sewage discharge is completed and the valve is closed, the above actions can also solve the problem that the scraping and washing skeleton cannot rotate due to too many impurities under the reaction force of the support spring 13.

[0043] The above-described embodiment is only a preferred solution of the present invention and does not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.

Claims

1. A fully automatic self-cleaning pre-filter anti-stuck re-rotation structure, comprising a scraping frame and a frame end cover at the bottom end of the scraping frame capable of relatively rotating, characterized in that: The frame end cover is provided with a shaft assembly cavity, the shaft assembly cavity is adapted to be provided with a transmission shaft, the transmission shaft extends along the axial direction of the scraping and washing frame, a semi-connection structure is provided between the frame end cover and the transmission shaft, and the frame end cover is also provided with an adjustment mechanism, and the adjustment mechanism includes an adjustment member; The transmission shaft can move up and down relative to the shaft assembly cavity axis. When the transmission shaft moves downward relative to the shaft assembly cavity axis, the skeleton end cover is connected to the transmission shaft, and the adjusting part is connected to the scraping and washing skeleton. The skeleton end cover and the scraping and washing skeleton can rotate synchronously with the transmission shaft and move downward. After that, the scraping and washing skeleton and the skeleton end cover are separated, and the scraping and washing skeleton can be driven to rotate with the rotating water flow; when the transmission shaft moves upward relative to the shaft assembly cavity axis, the skeleton end cover is connected to the transmission shaft through reaction force, and the adjusting part is connected to the scraping and washing skeleton. After that, the skeleton end cover and the scraping and washing skeleton can rotate synchronously with the transmission shaft and the adjusting part is separated from the scraping and washing skeleton, and the scraping and washing skeleton can be driven to rotate with the rotating water flow.

2. The fully automatic self-cleaning pre-filter anti-stuck re-rotation structure according to claim 1 is characterized in that: The transmission shaft is provided with at least one convex key or concave key, and the skeleton end cover is provided with at least one matching concave key or convex key, and the cooperation of the convex key and the concave key constitutes a semi-connection structure.

3. The fully automatic self-cleaning pre-filter anti-stuck re-rotation structure according to claim 1 is characterized in that: The adjusting mechanism comprises a transmission pin and an elastic reset element. An adjusting mechanism assembly cavity is arranged in the end cover of the skeleton. The elastic reset element is sleeved on the transmission pin, and the two ends thereof are respectively abutted against the transmission pin and the side wall of the adjusting mechanism assembly cavity. When the transmission shaft moves downward, it can drive the transmission pin to compress the elastic reset element and extend out of the adjusting mechanism assembly cavity, and the end of the transmission pin is connected with the scraping and washing skeleton; when the transmission shaft moves upward, the elastic reset element resets and drives the transmission pin to retract into the adjusting mechanism assembly cavity, and the end of the transmission pin is disconnected from the scraping and washing skeleton.

4. The fully automatic self-cleaning pre-filter anti-stuck re-rotation structure according to claim 3 is characterized in that: The transmission shaft is provided with a driving part, and the driving part is provided with a driving surface matched with the inner end of the transmission pin, the driving surface is an inclined surface, and the inner end of the transmission pin is provided with an adaptive inclined surface.

5. The fully automatic self-cleaning pre-filter anti-stuck re-rotation structure according to claim 4 is characterized in that: The driving surface is a 45° inclined surface. When the skeleton end cover is connected to the transmission shaft, the end surface of the driving part abuts against the end surface of the transmission pin.

6. The fully automatic self-cleaning pre-filter anti-stuck re-rotation structure according to claim 3 is characterized in that: The adjustment mechanism also includes a transmission pin bracket, and the transmission pin is fixed in the adjustment mechanism assembly cavity through the transmission pin bracket.

7. The fully automatic self-cleaning pre-filter anti-stuck re-rotation structure according to claim 3 is characterized in that: The bottom end of the scraping and washing frame is provided with at least one slot which can be matched with the end of the driving pin. When the driving pin is extended, it cooperates with the slot to achieve connection.

8. A fully automatic self-cleaning pre-filter, comprising a head, a filter bottle, a filter element structure arranged in the filter bottle, a drive motor and a control switch, wherein the filter element structure is circumferentially sleeved with a scraping and washing structure, characterized in that: The scraping and washing structure adopts the fully automatic self-cleaning pre-filter anti-stuck re-rotation structure as described in any one of claims 1 to 7, and the end of the transmission shaft is connected to the output shaft of the driving motor.

9. The fully automatic self-cleaning pre-filter according to claim 8, characterized in that: The scraping and washing skeleton is also provided with an adaptive impeller structure, which can drive the scraping and washing skeleton to rotate by rotating water flow. A supporting spring is also provided at the bottom of the fully automatic self-cleaning pre-filter anti-stuck complex rotation structure.

10. The fully automatic self-cleaning pre-filter according to claim 9, characterized in that: The scraping and washing frame is also provided with a water channel booster near the water inlet direction. The water channel booster is provided with a spiral water flow channel, and the inlet water passes through the water channel booster to generate a spiral water flow.

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