JP2023061254A - Reverse structure for flow channel of water-filtering equipment - Google Patents

Abstract

To provide a structure for avoiding backflow of water when using water-filtering equipment.SOLUTION: Provided is a reverse structure for a flow channel of water-filtering equipment that includes a plurality of filter elements. The filter elements utilize connectors 20 to achieve interconnection therebetween via water pipes, and connect the water source with the above connectors, and install a check valve set 30 within at least one of the above connectors, the check valve set including a check valve 31 and a check member 32. The check valve has an elastic tube 311 with a duck-bill valve at one end of the elastic tube and a base 313 connected to the other end, and at the center of the base, a sleeve hole 314 penetrates into the elastic tube, the above check member has a two-step shape, with a first body part 321 having a comparatively larger diameter and a second body part 322 having a comparatively smaller diameter. A passage hole 323 continuously penetrating the above first body and second body part is provided at the center of the check member.SELECTED DRAWING: Figure 3

Description

The present invention relates to use in water filtration equipment, and is a "flow path non-return structure of water filtration equipment" for avoiding the backflow phenomenon of water when using the above water filtration equipment.

At present, the industry is developing rapidly, and the air, land and water sources are relatively polluted. Before supplying tap water to all users, it has undergone purification processes such as sedimentation, disinfection and bleaching in water treatment plants. However, these processes cannot completely remove various contaminants and may pose a health hazard during use. In order to ensure water safety, many people use various water filtration equipment to filter the water source before eating or drinking. Commonly seen.

A conventional RO reverse osmosis water purifier has a plurality of filtration elements, the filtration elements being a filtration core, an RO membrane and a pressure tank. and connect the water source with the connector, filter the water source with the filtration core and the RO membrane to produce pure water, and at the same time, various impurities and harmful substances that cannot penetrate the filtration core and the RO membrane. can be discharged with concentrated wastewater to obtain fairly clean domestic water.

However, the conventional structure as described above has the following problems in practical application. That is, the connector only provides the passage of the water source, but does not have a check function. Therefore, if the backflow phenomenon of water occurs when making water, the filter element may be damaged, and the pure water In addition, it causes the waste water to be mixed in, and the quality of water supply cannot be ensured.

Therefore, the present inventor considered this, came up with a creative idea, designed with many years of experience, and completed the present invention after many discussions, sample trial tests, and several modifications and improvements.

Technical problem that the invention tries to solve:
These are the technical problems to be solved, because the conventional connector of the water filtration equipment only provides water source passage and has no non-return function.

Technical features to solve the problem:
In the flow check structure of the water filtration equipment of the present invention, the water filtration equipment has a plurality of filtration elements, which utilize connectors to achieve interconnection therebetween via water pipes, and connecting a water source with the connectors and mounting a check valve set within at least one of the connectors, the check valve set including a check valve and a check member, wherein the connector is a first end port; It has a second end, the first end being a launching portion and the second end being a draining portion, the first end providing attachment for the check valve set. The check valve has an elastic tube, one end of the elastic tube is provided with a mallet type valve that can be deformably opened or closed, the other end is connected to a base, and the center of the base is a sleeve hole. The non-return member has a two-step shape and has a first body portion with a relatively large diameter and a second body portion with a relatively small diameter; The outer diameter of the two body parts fits with the inner diameter of the sleeve hole of the check valve, and the check member inserts the check valve into the first end of the connector, and then the second body part. is inserted into the sleeve hole of the check valve for sleeve connection, and a passage hole is provided in the center of the check member so as to continuously penetrate the first body portion and the second body portion; Using the design whose hole diameter is clearly smaller than the tube diameter of the elastic tube, together with the mounting of the check valve, a reliable check effect can be achieved. This can achieve the flow check structure of the water filtration equipment.

The advantages of the present invention compared with the prior art are as follows.

(1) The flow path check structure of the water filtration equipment of the present invention uses the installation of the check valve set to avoid the phenomenon of water backflow during the use of the water filtration equipment, thereby improving the water supply quality. can be secured, and the water filtration equipment can also prevent the water from flowing back and being damaged.

(2) In the flow path check structure of the water filtration equipment of the present invention, the check valve set and the check member are fitted to each other, so that the check effect can be maximized. Also, the high pressure generated by the reverse flow of water can be prevented from flowing the check valve away from the connector, and the effect of determining the position is good.

1 is a three-dimensional view of the water filtration equipment of the present invention; FIG. FIG. 3 is a three-dimensional assembly view of the connector and check valve set of the present invention; 1 is an exploded view of a connector and check valve set of the present invention; FIG. FIG. 3 is an assembled cross-sectional view of the connector and check valve set of the present invention; FIG. 4 is a state diagram showing a state in which the valve of the present invention is open; FIG. 4 is a state diagram showing a non-return state of the present invention; It is drawing which shows other embodiment of this invention. Fig. 3 is an exploded view of another embodiment of the present invention; Fig. 2 is an assembled cross-sectional view of another embodiment of the present invention;

For better understanding and appreciation of the objects, features and advantages of the present invention, the following detailed description refers to the drawings.

Generally speaking, according to the present invention, as first shown in FIGS. (11), which filter elements (11) utilize connectors (20) to effect interconnection therebetween via water tubes (21) and connect water sources with said connectors (20); and mounting a check valve set (30) in at least one of said connectors (20), said check valve set (30) comprising a check valve (31) and a check member (32), wherein: The connector (20) has a first end (201) and a second end (202), the first end (201) is a launching part and the second end (202) is a draining part, A first end (201) provides attachment for said check valve set (30). The check valve (31) has an elastic tube (311). One end of the elastic tube (311) is provided with a hick beak valve (311) that can be deformably opened or closed, and the other end is provided with a base ( 313) is connected, and a sleeve hole (314) penetrates into the elastic tube (311) in the center of the base (313), and the non-return member (32) has a two-step shape, relatively A first main body (321) having a large diameter and a second main body (322) having a relatively small diameter, the outer diameter of the second main body (322) being the same as the check valve (31) After the check member (32) puts the check valve (31) into the first end port (201) of the connector (20), the The second body portion (322) is inserted into the sleeve hole (314) of the check valve (31) to be sleeve-connected, and the first body portion (321) is placed in the center of the check member (32). A through hole (323) is provided continuously through the second main body (322), and the hole diameter of the through hole (323) is clearly smaller than the diameter of the elastic tube (311). , together with the installation of the above check valve (31), can achieve a reliable check effect.

The present invention provides a flow check structure for water filtration equipment, wherein said water filtration equipment (10) is an RO reverse osmosis water purifier, said filtration element (11) comprises a filtration core, an RO membrane and a pressure is a tank.

The present invention provides a flow path check structure for water filtration equipment, wherein the check valve set (30) is mounted in the connector (20) used to connect the water source.

The present invention provides a flow path check structure for water filtration equipment, wherein the check valve set (30) is connected to the connector (20) used to provide and connect to the filter element (11). mounted inside.

The present invention provides a flow check structure for water filtration equipment, wherein said connector (20) is a quick connector (as shown in Figures 1-6) to push said water tube (21). It can be put on and taken off quickly.

The present invention provides a flow path non-return structure for water filtration equipment, wherein said connector (20) is a screw lock connector (as shown in Figure 7), and said water tube (21) is screwed to said connector ( 20).

The present invention provides a flow path check structure for water filtration equipment, wherein the second body part (322) of the check member (32) is connected to the sleeve hole (314) of the check valve (31). Tight fit to each other.

The present invention provides a channel check structure for water filtration equipment, wherein the elastic tube (311) of the check valve (31) is provided with an outwardly projecting water stop edge (315). .

The present invention provides a flow path check structure for water filtration equipment, wherein the valve (312) of the check valve (31) is installed in an extension so that the check valve (31) has a better check It has a stopping effect (as shown in Figures 8 and 9).

The present invention provides a channel check structure for water filtration equipment, wherein the check valve (31) is made of rubber, and the rubber has a hardness of 80 degrees, and the check valve (31) is 31) has a better non-return effect.

Here, in actual use, the check valve set (30) is closed and fixed in the first end (201) of the connector (20), so that the water source is fed through the passage hole (323). When the forward water pressure is applied, the elasticity of the check valve (31) allows the valve (312) to open smoothly (as shown in FIG. 5), and furthermore, the water flows from the valve (312) to the second end. Flow in the direction of (202). When the backflow of water occurs, the valve (312) is subjected to reverse water pressure and immediately elastically closed (as shown in FIG. 6), so it can be effectively reversed, and the water flows backward again. and when the backflow water pressure is too high and the valve (312) is forced to open, the check member (32) coupled with the check valve (31) will produce high pressure due to the backflow of water. has the effect of preventing the check valve (31) from flowing away from the connector (20), and the diameter of the passage hole (323) is clearly smaller than the diameter of the elastic tube (311). , when the water flows back, it will cause a higher pipe resistance at the passage hole (323), and the water cannot break through the passage hole (323) in the reverse direction, so that the non-return effect is more effective and reliable. reach.

According to the flow path check structure of the water filtration equipment, there are the following advantages: (1) By using the installation of the check valve set (30), the water can be backflow phenomenon can be avoided, the quality of water supply can be ensured, and the water filtration equipment (10) can be prevented from being damaged by backflow of water. (2) By fitting the check valve (31) and the check member (32) of the check valve set (30) to each other, the check effect can be maximized and the reverse flow of water can be prevented. It is possible to prevent the check valve (31) from flowing away from the connector (20) due to the high pressure generated by the above, and the effect of determining the position is good.

The above is only one embodiment according to the present invention and is not intended to limit the scope of implementation of the present invention. That is, changes, modifications, etc. made within the scope of the claims of the present invention should also belong to the scope of the present invention.

10 water filtration equipment 11 filter element 20 connector 21 water tube 201 first end 202 second end 30 check valve set 31 check valve 32 check member 311 elastic tube 312 valve 313 base 314 sleeve hole 315 water stop edge 321 first body Part 322 Second body part 323 Passing hole

Claims (10)

A flow check structure for water filtration equipment, the water filtration equipment having a plurality of filtration elements, the filtration elements utilizing connectors to achieve interconnection therebetween via water pipes, and connecting a water source with a connector, and mounting a check valve set within at least one of said connectors, said check valve set comprising a check valve and a check member;
said connector having a first end and a second end, said first end providing attachment of said check valve set;
The check valve has an elastic tube, one end of the elastic tube is provided with a mallet type valve that can be deformably opened or closed, the other end is connected to a base, and the center of the base is a sleeve hole. penetrates into the elastic tube with
The non-return member has a two-step shape and has a first body portion with a relatively large diameter and a second body portion with a relatively small diameter, and the outer diameter of the second body portion is Fitting with the inner diameter of the sleeve bore of the valve, the check member engages the check valve within the sleeve bore of the check valve at the second body after the check valve is received within the first end of the connector. A passage hole is provided in the center of the non-return member so as to continuously pass through the first body portion and the second body portion, and the diameter of the passage hole clearly corresponds to the diameter of the elastic tube. The flow path check structure of the water filtration equipment, characterized in that by using the smaller design, together with the installation of the above check valve, it is possible to achieve reliable check effect. 2. The flow path non-return structure of water filtration equipment as claimed in claim 1, wherein said water filtration equipment is an RO reverse osmosis water purifier, and said filtration elements are a filtration core, an RO membrane and a pressure tank. 2. The flow path non-return structure of claim 1, wherein the first end of said connector is a water launching portion and the second end of said connector is a draining portion. 2. The flow path check structure of claim 1, wherein said check valve set is mounted in said connector used to connect said water source. 2. The flow check structure of claim 1, wherein said check valve set is mounted in said connector used to provide and connect to said filtration element. 2. The non-return structure of the flow path of the water filtration equipment as claimed in claim 1, wherein the connector is a quick connector, and the water tube can be quickly attached and detached by pushing. 2. The flow path non-return structure for water filtration equipment according to claim 1, wherein said connector is a screw lock connector, and said water pipe can be connected to said connector by a screw. 2. The flow path check structure of claim 1, wherein the second body portion of the check member is tightly fitted to the sleeve hole of the check valve. 2. The flow channel check structure of claim 1, wherein the elastic tube of said check valve is provided with an outwardly protruding water stop edge. The flow path check structure of claim 1, wherein said check valve is made of rubber, and said rubber has a hardness of 80 degrees.

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