Filter bottle with water stop valve

Abstract

The utility model discloses a filter flask with a water stop valve, which comprises a filter flask head and a filter flask body, a filter element head and a filter component are arranged in the filter flask body, a waterway adapter is arranged on the filter flask head, and three water flow channels are arranged on the waterway adapter and are respectively inserted into three cylindrical holes of the filter flask head. A raw water channel, a pure water channel and a concentrated water channel which are mutually isolated are formed, and the pure water channel and the raw water channel are respectively provided with a one-way valve body as a water stop valve. According to the filter bottle with the water stop valve, the waterway conversion joint is used as a shunting transfer station, and meanwhile, the water stop valve and a sealing ring outside the upper cover of the filter bottle are fixed; a one-way valve is used as a water stop valve, so that assembly procedures are reduced, flow channel closure is reduced, flow is increased, and water leakage risks are reduced.

Description

Technical Field

[0001] The utility model relates to a filter bottle, in particular to a filter bottle with a water stop valve. The filter bottle is used in a water purifier and is mainly used to filter municipal tap water. Background Art

[0002] The existing mainstream filter element water stop structure one-way valve is composed of several parts to form an assembly, which is plugged into the flow channel; it has many structural parts, is complex and easily causes flow interception.

[0003] Furthermore, existing mainstream push-type filter elements are all molded from a single-piece filter bottle and barrel, with the spin-melt welded surface at the rear. This results in high mold costs. The large size and difficult to control mold dimensions make subsequent derivative products difficult, and the complex structure requires multiple welding processes to achieve satisfactory performance. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a filter bottle with a water stop valve, which can reduce assembly procedures, reduce flow channel interception, increase flow rate, and reduce the risk of water leakage.

[0005] The technical solution adopted by the present invention to solve the above-mentioned technical problems is to provide a filter bottle with a water stop valve, including a filter bottle head and a filter bottle body, a filter element head and a filter assembly are arranged in the filter bottle body, a water channel conversion joint is arranged on the filter bottle head, and three water flow channels are arranged on the water channel conversion joint, which are respectively inserted into the three cylindrical holes of the filter bottle head to form a raw water channel, a pure water channel and a concentrated water channel isolated from each other, and the pure water channel and the raw water channel are both provided with a one-way valve body as a water stop valve.

[0006] Furthermore, the filter cartridge head is an RO filter cartridge head, and the filter assembly is an RO filter assembly.

[0007] Furthermore, the water channel conversion joint is provided with a first sealing cylindrical surface and a second sealing cylindrical surface, the first sealing cylindrical surface seals the pure water channel, and the second sealing cylindrical surface seals the concentrated water channel.

[0008] Furthermore, the one-way valve body is installed in the water flow channel through the one-way valve spring, and the inner wall of the water flow channel forms a one-way valve spring installation groove and a one-way valve fixing cylindrical hole; the one-way valve spring is located in the one-way valve spring installation groove, and the inner wall of the water flow channel is provided with steps and ribs for limiting the one-way valve spring.

[0009] Furthermore, an O-ring groove is formed between the top of the water channel of the water channel conversion joint and the plane below the rib position of the top of the water channel of the filter bottle head.

[0010] Furthermore, a first O-ring groove is provided at the cylindrical side wall sealing ring of each water flow channel in the water channel conversion joint for sealing, a second O-ring groove is provided at the tail of the one-way valve body, and the O-ring is assembled with the characteristic bottom plane of the water channel conversion joint for sealing, a third O-ring groove is provided on the filter element head for sealing with the first sealing cylindrical surface of the water channel conversion joint, and a fourth O-ring groove is provided on the filter element head for sealing with the second sealing cylindrical surface of the water channel conversion joint.

[0011] Compared with the existing technology, the present invention has the following beneficial effects: the filter bottle with a water stop valve provided by the present invention adopts a water channel conversion joint as a diversion transfer station, which also plays the role of fixing the water stop valve and the sealing ring on the outside of the filter bottle cover; it is combined with a one-way valve as a water stop valve to reduce the assembly process, reduce flow channel interception, increase flow rate, and reduce the risk of water leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the cross-sectional structure of a filter bottle with a water stop valve of the utility model;

[0013] Figure 2a This is a schematic diagram of the upper structure of the water channel conversion joint of the filter bottle of the utility model;

[0014] Figure 2b This is a schematic diagram of the bottom structure of the filter bottle head of the utility model;

[0015] Figure 2c is a schematic diagram of the front structure of the filter bottle head of the utility model filter bottle

[0016] Figure 3 This is a schematic diagram of the water flow channel structure on the water channel conversion joint of the filter bottle of the utility model;

[0017] Figure 4a This is a schematic diagram of the cooperation between the water channel conversion joint and the one-way valve of the filter bottle of the utility model;

[0018] Figure 4b This is a schematic diagram of the cross-sectional structure of the water channel conversion joint and the one-way valve of the filter bottle of the utility model;

[0019] Figure 5 This is a schematic structural diagram of the filter bottle head of the filter bottle of the utility model.

[0020] The following are marked in the figure:

[0021] 1. Filter bottle head; 2. Filter bottle body; 3. Water channel conversion joint; 4. One-way valve body; 5. Filter element head; 6. Filter assembly; 7. One-way valve spring; 111. Cylindrical side wall sealing ring; 112. Plane below the rib position at the top of the water channel of the filter bottle head; 311. First sealing cylindrical surface; 312. Second sealing cylindrical surface; 321. Characteristic bottom plane; 341. Water flow channel; 342. Top of the water flow channel; 343. First O-ring groove; 345. Step; 346. Rib position; 347. One-way valve spring mounting groove; 348. One-way valve fixing cylindrical hole; 411. Second O-ring groove; 510. Concentrated water channel; 511. Pure water channel; 512. Raw water channel; 521. Third O-ring groove; 522. Fourth O-ring groove. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Figure 1 This is a schematic diagram of the cross-sectional structure of a filter bottle with a water stop valve of the utility model.

[0024] See Figure 1 The filter bottle with a water stop valve provided by this utility model features a water channel conversion joint 3, which separates the raw water channel 512, the pure water channel 511, and the concentrated water channel 510. A check valve is also integrated with it to achieve a water stop function. The filter element is a disposable filter element, consisting of a filter bottle head 1, a filter bottle body 2, a water channel conversion joint 3, a check valve body 4, a filter element head 5, a filter assembly 6, and a check valve spring 7.

[0025] The water channel conversion joint 3 of the present invention is provided with three water flow channels 341, which are respectively inserted into the cylindrical holes 113 corresponding to the three water channel channels of the filter bottle head 1. The top 342 of the water channel conversion joint 3 is assembled with the plane 112 below the top rib of the water channel of the filter bottle head to form an O-ring groove to prevent water leakage and form a double seal. The water channel conversion joint 3 is respectively provided with a first O-ring groove 343 at the cylindrical side wall sealing ring 111 of the three water flow channels of the filter bottle head for sealing. Figure 2a 、 2b and 2c.

[0026] The waterway conversion joint 3 of the present invention is provided with a step 345 and a rib 346 for limiting the one-way valve spring 7. The waterway conversion joint 3 is provided with a cylindrical surface for radial movement of the one-way valve body 4, such as Figure 3 shown.

[0027] The one-way valve body 4 has only three ribs to limit the radial movement of the one-way valve spring 7, greatly increasing the water flow area. Figure 4aA second O-ring groove 411 is provided at the tail of the one-way valve body 4, and an O-ring is installed therein to seal against the characteristic bottom plane 321 of the waterway conversion joint 3, while limiting the radial movement distance.

[0028] The water channel conversion joint 3 is provided with a first sealing cylindrical surface 311 to seal the pure water channel 511, and a second sealing cylindrical surface 312 to seal the concentrated water channel 510. Figure 4b shown.

[0029] The filter cartridge head 5 is an RO filter cartridge head, and the filter assembly 6 is an RO filter assembly. The filter cartridge head 5 is provided with a pure water channel 511 and a concentrated water channel 510. A third O-ring groove 521 and a fourth O-ring groove 522 are also provided. The fourth O-ring groove 521 is assembled with the first sealing cylindrical surface 311, and the fourth O-ring groove 522 is assembled with the second sealing cylindrical surface 312, thereby forming a closed pure water channel 511 and concentrated water channel 510. Figure 5 shown.

[0030] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art may make slight modifications and improvements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the definition of the claims.

Claims

1. A filter bottle with a water stop valve, characterized in that: The invention comprises a filter bottle head (1) and a filter bottle body (2), wherein a filter element head (5) and a filter assembly (6) are arranged in the filter bottle body (2), a water channel conversion joint (3) is arranged on the filter bottle head (1), and three water flow channels (341) are arranged on the water channel conversion joint (3), which are respectively inserted into the three cylindrical holes (113) of the filter bottle head (1) to form a raw water channel (512), a pure water channel (511) and a concentrated water channel (510) isolated from each other, and each of the pure water channel (511) and the raw water channel (512) is provided with a one-way valve body (4) as a water stop valve; The one-way valve body (4) is installed in the water flow channel (341) through the one-way valve spring (7), and the inner wall of the water flow channel (341) is formed with a one-way valve spring installation groove (347) and a one-way valve fixing cylindrical hole (348); the one-way valve spring (7) is located in the one-way valve spring installation groove (347), and the inner wall of the water flow channel (341) is provided with a step (345) and a rib position (346) for limiting the one-way valve spring (7).

2. The filter bottle with a water stop valve according to claim 1, characterized in that: The filter cartridge head (5) is an RO filter cartridge head, and the filter assembly (6) is an RO filter assembly.

3. The filter bottle with a water stop valve according to claim 1, characterized in that: The water channel conversion joint (3) is provided with a first sealing cylindrical surface (311) and a second sealing cylindrical surface (312), wherein the first sealing cylindrical surface (311) seals the pure water channel (511), and the second sealing cylindrical surface (312) seals the concentrated water channel (510).

4. The filter bottle with a water stop valve according to claim 1, characterized in that: The top (342) of the water channel of the water channel conversion joint (3) and the plane (112) below the rib position of the top of the water channel of the filter bottle head (1) form an O-shaped sealing ring groove.

5. The filter bottle with a water stop valve according to claim 1, characterized in that: A first O-ring groove (343) is provided at the cylindrical side wall sealing ring (111) of each water flow channel (341) in the water channel conversion joint (3) for sealing; a second O-ring groove (411) is provided at the tail of the one-way valve body (4), and the O-ring is assembled with the characteristic bottom plane (321) of the water channel conversion joint (3) for sealing; a third O-ring groove (521) is provided on the filter element head (5) for sealing with the first sealing cylindrical surface (311) of the water channel conversion joint (3); and a fourth O-ring groove (522) is provided on the filter element head (5) for sealing with the second sealing cylindrical surface (312) of the water channel conversion joint (3).

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