Front-mounted device of water purifier

Abstract

The utility model discloses a front-mounted device of a water purifier. The front-mounted device comprises a front-mounted device body, the filter screen is arranged in the front device body; and the detachable cover is arranged on the front device body in a threaded mode, and one side of the detachable cover is in threaded connection with a threaded rod. Through the structural design of the cleaning head and the rotating rod, when the filter screen is cleaned, the blocking cover is screwed firstly, the blocking cover is detached from the drain outlet, then the water outlet is blocked, cleaning water enters the front device body from the water inlet, meanwhile, a handle at one end of the threaded rod is rotated, and the threaded rod moves along threads in the detaching cover, so that the filter screen is cleaned. The cleaning frame moves in the front device body, the cleaning head cleans the surface of the filter screen and the filter holes in the moving process, cleaned impurities are discharged from the drain outlet along with water flow, the structure is simple, operation is convenient, the situation that the whole device needs to be detached for cleaning during cleaning is avoided, and the use convenience of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water quality filtering equipment technical field, concretely is a kind of water purifier front device. BACKGROUND

[0002] The front device of water purifier, it is usually referred to as front filter, it is an important component in water purifier system, for the water source entering water purifier is filtered initially, to protect the core component of water purifier, improve water purification efficiency, and prolong the service life of equipment, the front device of water purifier has several models such as net type front filter, laminated front filter, disc type front filter.

[0003] At present, net type front filter is used, and water quality is purified by filter screen, however, the filter screen mesh is blocked after long time use, the existing method is to disassemble filter screen and clean and replace, and front filter is installed by a plurality of bolts, so that it is more cumbersome when disassembling, and small fixing bolt can be lost, so that it is inconvenient to use. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of water purifier front device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of water purifier front device, comprising: front device body;Filter screen, is set in the inside of the front device body;Dismounting cover, is screw set on the front device body, and the one side of the dismounting cover is screw connected with threaded rod, one end of the threaded rod is fixedly connected with rotating rod, the outer surface of the rotating rod is fixedly connected with multiple cleaning frame, one end of the cleaning frame is provided with installation slot, the inner wall of the installation slot is slidably connected with cleaning head, the one side of the cleaning head is fixedly connected with return spring, one end of the return spring is fixedly connected with the one side of the installation slot.

[0006] As further preferred of the technical scheme, the one side of the cleaning head is fixedly connected with ejector brush, and the other side of the cleaning head is fixedly connected with cleaning brush.

[0007] As further preferred of the technical scheme, water inlet is provided on the front device body;Water outlet is provided on the front device body;Sewage outlet is provided on the front device body, and the sewage outlet is provided with blockage cover.

[0008] As further preferred of the technical scheme, one end of the rotating rod is rotatably connected with scraping ring, and the outer surface of the scraping ring is slidably connected with the inner wall of the filter screen.

[0009] As a further preferred of the technical solution, the inner wall of the filter screen is fixedly connected with a guide strip, and the outer surface of the guide strip is in sliding connection with the outer surface of the scraping ring.

[0010] As a further preferred of the technical solution, a sealing ring is arranged on the inner wall bottom of the front device body, and the inner wall of the sealing ring is in clamping connection with one end of the filter screen.

[0011] As a further preferred of the technical solution, the outer surface of the dismounting cover is provided with a friction groove.

[0012] The utility model provides a kind of water purifier front device, with the following beneficial effects:

[0013] (1) the utility model discloses a cleaning head and the structural design of rotating rod, when the filter screen is cleaned, first twist and turn block cover, block cover is disassembled from sewage outlet, then outlet is blocked, cleaning water enters the front device body from inlet, while rotating screw rod one end handle, screw rod moves along the thread in dismounting cover, so that cleaning frame moves in the front device body, cleaning head is cleaned to filter screen surface and filter hole in the process of moving, impurity is discharged from sewage outlet along with water flow after cleaning, this structure is simple, convenient to operate, avoid the need to disassemble the whole device to clean when cleaning, improve the convenience of device use.

[0014] (2) the utility model discloses that screw rod pulls the cleaning frame to move and rotate simultaneously, and drives scraping ring to move together to carry out secondary cleaning to the surface of filter screen, so as to improve cleaning quality, shorten device cleaning time. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the schematic diagram of the whole three-dimensional structure of the utility model;

[0016] Figure 2 It is the schematic diagram of the sectional structure of the front device body in the whole of the utility model;

[0017] Figure 3 It is Figure 2 the local enlarged schematic diagram of area A in it;

[0018] Figure 4 It is the schematic diagram of the connection relationship explosion structure of rotating rod and cleaning frame in the utility model;

[0019] Figure 5 It is Figure 4 the local enlarged schematic diagram of area B in it.

[0020] In the diagram: 1. Pre-processor body; 2. Inlet; 3. Outlet; 4. Drain; 5. Blocking cap; 6. Removal cap; 7. Threaded rod; 8. Rotating rod; 9. Cleaning frame; 10. Cleaning head; 11. Filter screen; 12. Guide strip; 13. Scraper ring; 14. Sealing ring; 15. Cleaning brush; 16. Push-out brush; 17. Mounting groove; 18. Friction groove; 19. Return spring. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0022] This utility model provides a technical solution: such as Figure 1 - Figure 5 As shown, in this embodiment, a pre-filter for a pure water machine includes: a pre-filter body 1; a filter screen 11 disposed inside the pre-filter body 1; a disassembly cover 6, threaded onto the pre-filter body 1, with a threaded rod 7 threadedly connected to one side of the disassembly cover 6, a rotating rod 8 fixedly connected to one end of the threaded rod 7, and multiple cleaning racks 9 fixedly connected to the outer surface of the rotating rod 8. One end of each cleaning rack 9 has an installation groove 17, and a cleaning head 10 is slidably connected to the inner wall of the installation groove 17. A return spring 19 is fixedly connected to one side of the cleaning head 10, and one end of the return spring 19 is fixedly connected to one side of the installation groove 17. The cleaning head 10 and the rotating rod 8 are connected to the rotating rod 8. The structural design of the moving rod 8 allows for easy cleaning of the filter screen 11. First, the plug 5 is unscrewed and removed from the drain port 4. Then, the outlet 3 is blocked, and the cleaning water enters the pre-filter body 1 from the inlet 2. Simultaneously, the handle at one end of the threaded rod 7 is rotated, and the threaded rod 7 moves along the threads inside the removal cover 6, causing the cleaning frame 9 to move within the pre-filter body 1. During this movement, the cleaning head 10 cleans the surface and filter holes of the filter screen 11. The cleaned impurities are discharged from the drain port 4 with the water flow. This structure is simple and easy to operate, avoiding the need to disassemble the entire device for cleaning, thus improving the ease of use of the device.

[0023] A push-out brush 16 is fixedly connected to one side of the cleaning head 10, and a cleaning brush 15 is fixedly connected to the other side of the cleaning head 10. The cleaning brush 15 can clean the impurities on the surface of the filter screen 11, and the push-out brush 16 can clean the impurities in the filter holes of the filter screen 11.

[0024] Water inlet 2 is located on the pre-filter body 1; water outlet 3 is located on the pre-filter body 1; sewage outlet 4 is located on the pre-filter body 1, and a plug 5 is provided on the sewage outlet 4. Through the structural design of the sewage outlet 4, impurities cleaned from the surface of the filter screen 11 can be discharged. The sewage outlet 4 is T-shaped, with two ports located in the filtration chamber and the purification chamber, respectively.

[0025] One end of the rotating rod 8 is rotatably connected with a scraping ring 13, the outer surface of the scraping ring 13 is slidably connected with the inner wall of the filter screen 11, through the movement and rotation of the cleaning frame 9 driven by the threaded rod 7, the scraping ring 13 is moved to clean the surface of the filter screen 11 again, so that the cleaning quality is improved and the cleaning time of the device is shortened.

[0026] The inner wall of the filter screen 11 is fixedly connected with a guide strip 12, the outer surface of the guide strip 12 is slidably connected with the outer surface of the scraping ring 13, through the structural design of the guide strip 12, the rotation of the scraping ring 13 is limited, and the scraping ring 13 is prevented from rotating with the rotating rod 8, so that the cleaning is affected.

[0027] A sealing ring 14 is arranged on the inner wall bottom of the pre-device body 1, the inner wall of the sealing ring 14 is clamped with one end of the filter screen 11, through the structural design of the sealing ring 14, the gap between the filter screen 11 and the pre-device body 1 can be sealed, so that part of impurities is prevented from running out of the gap during filtering.

[0028] The outer surface of the dismounting cover 6 is provided with a friction groove 18, through the structural design of the friction groove 18, the friction coefficient of the surface of the dismounting cover 6 can be increased, and the rotating of the dismounting cover 6 by the staff is facilitated.

[0029] The utility model provides a kind of pure water machine pre-device, specific working principle is as follows:

[0030] When long-time using pre-device body 1 needs to clean filter screen 11 in pre-device body 1, first, the whole device is disassembled from water purification system, plug cover 5 is screwed, plug cover 5 is disassembled from blow-off port 4, then water outlet 3 is plugged, cleaning water enters pre-device body 1 from water inlet 2, while rotating threaded rod 7 one end handle, threaded rod 7 moves along the thread in dismounting cover 6, so that cleaning frame 9 moves in pre-device body 1, filter screen 11 surface and filter hole are cleaned by cleaning head 10 in the process of moving, impurities after cleaning are discharged from blow-off port 4 along with water flow, after cleaning is completed, device is restored to original shape, and then installed on water purification system to purify water quality.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pre-filter device for a pure water machine, characterized in that, include: Front-mount device body (1); A filter screen (11) is disposed inside the front device body (1); The disassembly cover (6) is threaded onto the front device body (1), and a threaded rod (7) is threadedly connected to one side of the disassembly cover (6). A rotating rod (8) is fixedly connected to one end of the threaded rod (7). Multiple cleaning racks (9) are fixedly connected to the outer surface of the rotating rod (8). An installation groove (17) is opened at one end of the cleaning rack (9). A cleaning head (10) is slidably connected to the inner wall of the installation groove (17). A return spring (19) is fixedly connected to one side of the cleaning head (10). One end of the return spring (19) is fixedly connected to one side of the installation groove (17).

2. The pre-filter device for a pure water machine according to claim 1, characterized in that: A top-out brush (16) is fixedly connected to one side of the cleaning head (10), and a cleaning brush (15) is fixedly connected to the other side of the cleaning head (10).

3. The pre-filter device for a pure water machine according to claim 1, characterized in that: The water inlet (2) is located on the front device body (1); The water outlet (3) is located on the front device body (1); A drain outlet (4) is provided on the front device body (1), and a plug cover (5) is provided on the drain outlet (4).

4. The pre-filter device for a pure water machine according to claim 1, characterized in that: One end of the rotating rod (8) is rotatably connected to a scraper ring (13), and the outer surface of the scraper ring (13) is slidably connected to the inner wall of the filter screen (11).

5. A pre-filter for a pure water machine according to claim 4, characterized in that: The inner wall of the filter screen (11) is fixedly connected to a guide strip (12), and the outer surface of the guide strip (12) is slidably connected to the outer surface of the scraper ring (13).

6. A pre-filter for a pure water machine according to claim 1, characterized in that: A sealing ring (14) is disposed on the bottom of the inner wall of the front device body (1), and the inner wall of the sealing ring (14) is engaged with one end of the filter screen (11).

7. A pre-filter for a pure water machine according to claim 1, characterized in that: The outer surface of the disassembly cover (6) is provided with friction grooves (18).

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