CN218521114U - Reverse osmosis water purifier filter core - Google Patents

Abstract

The utility model discloses a reverse osmosis water purifier filter core related to the technical field of water treatment, which comprises a membrane shell, a sleeve head and a sleeve tail threaded on the side of the outer surface of the membrane housing, and a raw water inlet is provided at the end of the sleeve head. The middle of the tail end is fixedly connected with a pure water conduit, the outer surface of the pure water conduit runs through the sleeve tail, and the end of the sleeve tail is fixedly connected with a waste water conduit, the outer surface of the waste water conduit runs through the sleeve tail, and the waste water conduit is arranged on the pure water conduit On both sides of the membrane shell, the inner surface of the membrane shell is fixedly connected with a reverse osmosis membrane, and the inner surface of the reverse osmosis membrane is fixedly connected with a central water collection pipe, and a pure water inlet is opened inside the central water collection pipe. The material reduces the waste of resources. Through the cleaning mechanism in the waste water pipe, the dirt attached to the inner surface of the waste water pipe is scraped off, preventing the dirt from affecting the outflow of waste water, and has a good cleaning effect.

Description

A reverse osmosis water purifier filter element

technical field

The utility model relates to the technical field of water treatment, in particular to a filter element of a reverse osmosis water purifier.

Background technique

At present, drinking water filters on the market generally adopt reverse osmosis RO membrane filtration structure, which can filter inorganic salts, heavy metal ions, organic matter, colloids, bacteria, viruses and other impurities in raw water. Therefore, the reverse osmosis RO membrane filtration structure is the core component of the drinking water filter, and the filtration effect of the drinking water filter is directly related to the filtration effect of the reverse osmosis RO membrane filtration structure. The filter element of the existing reverse osmosis water purifier needs to be replaced after being used for a period of time. The repeated replacement of the filter element causes a great waste of resources, and the waste water outlet of the filter element will appear dirt after a long time, which will affect the discharge of waste water and is not conducive to cleaning. Therefore, we propose a reverse osmosis water purifier filter element to solve the above-mentioned problems.

Utility model content

In view of the above problems, the utility model provides a filter element of a reverse osmosis water purifier, which has a good cleaning function, can conveniently clean up the dirt that will appear at the waste water outlet after a long time, and can also save resources to a certain extent.

The technical scheme of the utility model is:

A filter element for a reverse osmosis water purifier, comprising a membrane shell, a sleeve head and a sleeve tail are threadedly connected to the side of the outer surface of the membrane housing, the end of the sleeve head is provided with a raw water inlet, and the middle of the end of the sleeve tail is A pure water conduit is fixedly connected at the place, the outer surface of the pure water conduit runs through the sleeve tail, the end of the sleeve tail is fixedly connected with a waste water conduit, the outer surface of the waste water conduit runs through the sleeve tail, and the waste water conduit is arranged at On both sides of the pure water conduit, the inner surface of the membrane shell is fixedly connected with a reverse osmosis membrane, and the inner surface of the reverse osmosis membrane is fixedly connected with a central water collection pipe, and a pure water inlet is opened inside the central water collection pipe.

The working principle of the above-mentioned technical scheme is as follows:

When in use, install the entire filter element into the water purifier, the raw water enters the interior of the membrane shell through the raw water inlet, the raw water is filtered by the reverse osmosis membrane, and the purified water enters the central water collection pipe through the pure water inlet, and passes through the pure water conduit Outflow, waste water flows down along the reverse osmosis membrane to the waste water pipe and is discharged. After use, take out the filter element, screw the sleeve head and sleeve tail, remove the middle membrane shell and replace it, and clean the sleeve head and sleeve tail before installing. Install a new membrane shell, screw both ends on the sleeve head and sleeve tail, and then install it into the water inlet machine to make cleaning more convenient. By replacing the membrane shell to replace the reverse osmosis membrane that has been used for a long time, the material of the filter element is saved. The waste of resources is reduced.

In a further technical solution, the interior of the central water collection pipe communicates with the interior of the pure water conduit, and the number of pure water inlets is several.

Through the provided pure water conduit, the filtered pure water can flow into the central water collection pipe and flow out from the pure water conduit. When replacing the membrane shell, there is no need to replace the pure water conduit, which saves resources.

In a further technical solution, a through hole is opened inside the waste water conduit, and a guide post is sleeved on the inner surface of the through hole, and the end of the guide post is fixedly connected with a rotating plate, and the outer surface of the rotating plate The surface is rotatably connected with a collar, and the inner surface of the collar is fixedly connected with a central rod.

Through the provided guide post, put the central rod into the waste water conduit, slide inward until the guide post is sleeved in the through hole, so as to achieve a fixed effect. When it needs to be disassembled, press the guide post inward to make the guide post The column is retracted into the waste water conduit, and then the center rod is pulled out, which is very convenient for installation and disassembly.

In a further technical solution, the outer surface of the rotating plate is squeeze-fitted with the inner surface of the waste water conduit, an elastic rod is fixedly connected to the side of the outer surface of the central rod, and the end of the elastic rod is fixedly connected to On the outer surface of the rotating plate, a cleaning mechanism is fixedly connected to the end of the central rod.

Through the provided elastic rod, the elastic rod bends when the central rod moves inward, which facilitates the sliding of the guide post on the inner surface of the waste water conduit. When the guide post is sleeved in the through hole, the elastic rod recovers and deforms so that the rotating plate rotates outward to fit On the inner surface of the waste water conduit, the fixing effect of the central rod is improved, and it is not easy to fall off.

In a further technical solution, the cleaning mechanism includes a fixed plate, the outer surface of the fixed plate is fixedly connected to the end of the central rod, and the groove on the outer surface of the fixed plate is rotatably connected to a telescopic rotating rod. The output end of the telescopic rotating rod is fixedly connected with a scraping rod.

Through the provided scraper rod, when water flows through the telescopic rotating rod, the telescopic rotating rod is extended by force, so that the scraping rod scrapes off the dirt attached to the inner surface of the waste water conduit, preventing the dirt from affecting the outflow of waste water, and has a good cleaning effect.

In a further technical solution, the outer surface of the scraper rod is press-fitted with the inner surface of the waste water conduit, the outer surface of the telescopic rotating rod is fixedly connected with a return spring, and the output end of the return spring is fixedly connected at the center the outer surface of the rod.

Through the return spring provided, the telescopic rotating rod is rotated inwardly by the action of the water flow, and the elastic force of the returning spring makes the telescopic rotating rod unfold, so that the scraping rod can be more closely attached to the inner surface of the waste water conduit, and the cleaning effect is enhanced.

The beneficial effects of the utility model are:

1. When in use, install the entire filter element into the water purifier through the sleeve head and sleeve tail. The raw water enters the inside of the membrane shell through the raw water inlet, the raw water is filtered by the reverse osmosis membrane, and the pure water enters the central collector through the pure water inlet. into the water pipe and flow out through the pure water conduit, and the waste water flows down the reverse osmosis membrane to the waste water conduit for discharge. Clean the sleeve head and sleeve tail, then install a new membrane shell, screw the sleeve head and sleeve tail on both ends, and then install it into the water inlet machine to make cleaning more convenient. Replace the long-term use of reverse osmosis by replacing the membrane shell Membrane saves the material of the filter element and reduces the waste of resources;

2. Through the cleaning mechanism, put the central rod into the waste water conduit, slide it inward until the guide post is sleeved in the through hole, so as to achieve a fixed effect. When it needs to be disassembled, press the guide post inward to make the guide post It is very convenient to install and disassemble by retracting into the waste water conduit and then pulling out the center rod. The elastic rod bends when the center rod moves inward, which facilitates the sliding of the guide post on the inner surface of the waste water pipe. When the guide post is sleeved to the through hole, The elastic rod restores its deformation so that the rotating plate rotates outwards and fits on the inner surface of the waste water conduit, which improves the fixing effect of the central rod and is not easy to fall off. The dirt attached to the inner surface of the conduit is scraped off, avoiding the dirt from affecting the outflow of waste water, and has a good cleaning effect. The telescopic rotating rod is rotated inward by the action of the water flow, and the elastic force of the return spring makes the telescopic rotating rod unfold, so that the scraping rod can be more Fits to the inside surface of the waste water conduit for enhanced cleaning.

Description of drawings

Fig. 1 is the overall structure schematic diagram described in the utility model embodiment;

Fig. 2 is a structural schematic diagram of the overall back of the utility model embodiment;

Fig. 3 is a schematic diagram of the overall internal structure described in the embodiment of the present invention;

Fig. 4 is a schematic diagram of the internal structure of the waste water conduit described in the embodiment of the present invention;

Fig. 5 is a schematic structural view of the cleaning mechanism described in the embodiment of the present invention.

Explanation of reference signs:

1. Membrane shell; 2. Sleeve head; 3. Raw water inlet; 4. Sleeve tail; 5. Pure water conduit; 6. Wastewater conduit; 61. Through hole; 62. Center rod; 63. Elastic rod; 64. Guide post; 65, rotating plate; 66, cleaning mechanism; 661, fixed plate; 662, return spring; 663, telescopic rotating rod; 664, scraping rod; 67, collar; 7, reverse osmosis membrane; 8, central water collection pipe; 9, Imported pure water.

Detailed ways

Embodiments of the utility model will be further described below in conjunction with the accompanying drawings.

Example 1:

As shown in Figures 1 to 5, a filter element for a reverse osmosis water purifier includes a membrane shell 1, the side of the outer surface of the membrane shell 1 is threaded with a sleeve head 2 and a sleeve tail 4, and the end of the sleeve head 2 is provided with raw water The middle of the inlet 3 and the end of the sleeve tail 4 is fixedly connected with a pure water conduit 5, the outer surface of the pure water conduit 5 runs through the sleeve tail 4, and the end of the sleeve tail 4 is fixedly connected with a waste water conduit 6, and the outer surface of the waste water conduit 6 Through the sleeve tail 4, the waste water conduit 6 is arranged on both sides of the pure water conduit 5, the inner surface of the membrane shell 1 is fixedly connected with the reverse osmosis membrane 7, and the inner surface of the reverse osmosis membrane 7 is fixedly connected with the central water collection pipe 8, and the central water collection pipe The inside of 8 is provided with pure water inlet 9.

In a further technical solution, the inside of the central water collection pipe 8 communicates with the inside of the pure water conduit 5, the number of pure water inlets 9 is several, the inside of the waste water conduit 6 is provided with a through hole 61, and the inner surface of the through hole 61 A guide post 64 is sleeved, and the end of the guide post 64 is fixedly connected with a rotating plate 65, and the outer surface of the rotating plate 65 is rotatably connected with a collar 67, and the inner surface of the collar 67 is fixedly connected with a central rod 62. The outer surface is extrusion-fitted with the inner surface of the waste water conduit 6, and an elastic rod 63 is fixedly connected to the side of the outer surface of the central rod 62, and the end of the elastic rod 63 is fixedly connected to the outer surface of the rotating plate 65, and the center rod 62 The end portion is fixedly connected with a cleaning mechanism 66, and the cleaning mechanism 66 includes a fixed disk 661. The outer surface of the fixed disk 661 is fixedly connected to the end of the central rod 62, and the groove on the outer surface of the fixed disk 661 is rotatably connected with a telescopic rotating rod 663. The output end of the telescopic rotating rod 663 is fixedly connected with a scraping rod 664, the outer surface of the scraping rod 664 is extruded to fit the inner surface of the waste water conduit 6, and the outer surface of the telescopic rotating rod 663 is fixedly connected with a return spring 662, and the return spring 662 The output end is fixedly connected to the outer surface of the central rod 62 .

The working principle of the above-mentioned technical scheme is as follows:

When in use, the entire filter element is installed in the water purifier, the raw water enters the interior of the membrane shell 1 through the raw water inlet 3, the raw water is filtered by the reverse osmosis membrane 7, and the purified water enters the central water collection pipe 8 through the pure water inlet 9, And flow out through the pure water conduit 5, and the waste water flows down along the reverse osmosis membrane 7 to the waste water conduit 6 to be discharged. After finishing using, take out the filter element, screw the sleeve head 2 and sleeve tail 4, remove the membrane shell 1 in the middle, and carry out Replacement, and clean the sleeve head 2 and sleeve tail 4, and then install a new membrane shell 1, screw the sleeve head 2 and sleeve tail 4 on both ends, and then install it into the water inlet to make cleaning more convenient. By replacing the membrane shell 1 to replace the reverse osmosis membrane 7 that has been used for a long time, which saves the material of the filter element and reduces the waste of resources. Through the provided guide post 64, put the central rod 62 into the interior of the waste water conduit 6 and slide inward until the guide post 64 is sleeved in the through hole 61 to achieve a fixed effect. When it needs to be disassembled, press the guide post 64 inward to make the guide post 64 retract into the waste water conduit 6, and then pull out the center rod 62. Very convenient, through the elastic rod 63 provided, the elastic rod 63 bends when the center rod 62 moves inward, so that the guide post 64 slides on the inner surface of the waste water conduit 6. When the guide post 64 is sleeved to the through hole 61, the elastic rod 63 restores the deformation so that the rotating plate 65 rotates outwards and fits on the inner surface of the waste water conduit 6, which improves the fixing effect of the central rod 62 and is not easy to fall off. Through the provided scraper rod 664, when the water flow passes through the telescopic rotating rod 663, the telescopic The rotating rod 663 is extended under force, so that the scraper rod 664 scrapes off the dirt attached to the inner surface of the waste water conduit 6, avoiding the dirt affecting the outflow of the waste water, and has a good cleaning effect. The effect of the water flow turns inward, and the elastic force of the return spring 662 makes the telescopic rotating rod 663 unfold, so that the scraping rod 664 can be more attached to the inner surface of the waste water conduit 6, and the cleaning effect is enhanced.

The above-mentioned embodiments only express the specific implementation manners of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

Claims (6)

1. The utility model provides a reverse osmosis water purifier filter core, includes the membrane shell, its characterized in that, there are pullover and cover tail avris department threaded connection of membrane shell surface, the raw water import has been seted up to the tip of pullover, fixedly connected with pure water pipe is located to the centre of cover tail tip, the surface of pure water pipe runs through the cover tail, the tip fixedly connected with waste water pipe of cover tail, the surface of waste water pipe runs through the cover tail, waste water pipe sets up the both sides at pure water pipe, the internal surface fixedly connected with reverse osmosis membrane of membrane shell, reverse osmosis membrane's internal surface fixedly connected with central collector pipe, the pure water import has been seted up to the inside of central collector pipe.

2. A reverse osmosis water purifier filter element according to claim 1 wherein: the interior of the central water collecting pipe is communicated with the interior of the pure water guide pipe, and the number of the pure water inlets is a plurality.

3. A reverse osmosis water purifier filter element according to claim 1, wherein: the waste water guide pipe is characterized in that a through hole is formed in the waste water guide pipe, a guide pillar is sleeved on the inner surface of the through hole, the end part of the guide pillar is fixedly connected with a rotating plate, the outer surface of the rotating plate is rotatably connected with a lantern ring, and the inner surface of the lantern ring is fixedly connected with a center rod.

4. A reverse osmosis water purifier filter element according to claim 3 wherein: the surface of rotor plate and waste water pipe's internal surface extrusion adaptation, the avris department fixed connection elastic rod of well core rod surface, the tip fixed connection of elastic rod is at the surface of rotor plate, well core rod's tip fixedly connected with clearance mechanism.

5. A reverse osmosis water purifier filter element according to claim 4, wherein: the clearance mechanism includes the fixed disk, the fixed surface of fixed disk connects the tip at well core rod, the groove on fixed disk surface rotates and is connected with flexible bull stick, the output fixedly connected with of flexible bull stick scrapes the pole.

6. A reverse osmosis water purifier filter element according to claim 5, wherein: the outer surface of the scraping rod is in extrusion fit with the inner surface of the wastewater guide pipe, the outer surface of the telescopic rotating rod is fixedly connected with a return spring, and the output end of the return spring is fixedly connected to the outer surface of the center rod.

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