Non-pressure valve element

Abstract

The utility model discloses a non-pressure valve core, which relates to the technical field of bathroom accessories, and adopts the technical scheme that the non-pressure valve core comprises a shell, a movable ceramic chip and a static ceramic chip are arranged in the shell, and a raw water inlet flow channel, a raw water outlet flow channel, a purified water inlet flow channel, a purified water outlet flow channel, a first connecting groove and a second connecting groove are arranged on the static ceramic chip; the first connecting groove is communicated with the raw water outlet flow channel, the second connecting groove is communicated with the purified water outlet flow channel, and the movable ceramic chip is provided with a first adjusting groove communicated with the first connecting groove and a second adjusting groove communicated with the second connecting groove; a rotating device for driving the movable ceramic chip to rotate is also arranged in the shell, and the communicating area of the first adjusting groove, the first connecting groove and the raw water inlet flow channel is equal to the communicating area of the second adjusting groove, the second connecting groove and the purified water inlet flow channel. When the valve core supplies raw water to the water purifier, the water purifier also discharges purified water with corresponding flow; after the valve element is closed, water supply of the water purifier is cut off, and the protection effect on the water purifier is good.

Description

Technical Field

[0001] The utility model relates to the technical field of bathroom accessories, in particular to a pressure-free valve core. Background Art

[0002] As people's requirements for drinking water hygiene become higher and higher, water purifiers are used more and more widely in different occasions (such as homes, businesses and some entertainment venues, etc.). In order to achieve the best filtering and purification effects, multiple filter elements are usually installed inside the water purifier to filter and purify the water multiple times, so that the tap water meets the usage requirements or drinking standards.

[0003] For example, a multi-stage water purifier that is easy to replace the filter element disclosed in the Chinese patent with announcement number CN109110840A includes a body and a multi-stage filter cartridge installed in the body; the body includes a body main body, an upper cover covering the upper port of the body main body and a base connected to the lower port of the body main body; a dry plug hole is opened on the base, and a water inlet channel and a water outlet channel are arranged below each plug hole, a water inlet column is connected above the water inlet channel, the center hole of the water inlet column is connected to the water inlet channel, a water outlet column is connected above the water outlet channel, the center hole of the water outlet column is connected to the water outlet channel, the side openings of the upper sections of the water inlet column and the water outlet column, the water inlet channels and water outlet channels of adjacent two stages are connected, a raw water inlet and a clean water outlet are also arranged on the base, the raw water inlet is connected to the water inlet channel of the first stage, and the clean water outlet is connected to the water outlet channel of the last stage; each plug hole has a A filter cartridge is inserted, and a filter cartridge water inlet hole and a filter cartridge water outlet hole are arranged at the lower end of the filter cartridge cartridge, the water inlet column is inserted into the filter cartridge water inlet hole, and the water outlet column is inserted into the filter cartridge water outlet hole; a water locking assembly is arranged in the water inlet column and the filter cartridge water inlet hole, as well as in the water outlet column and the filter cartridge water outlet hole, the water locking assembly comprises a shaft rod, a spring cap, a compression spring, a fixed valve plate, a movable valve plate and a tension spring, the shaft rod is coaxially installed in the corresponding filter cartridge water inlet hole and the filter cartridge water outlet hole, the spring cap is sleeved on the shaft rod, the spring cap can slide along the shaft rod in the corresponding filter cartridge water inlet hole and the filter cartridge water outlet hole, the compression spring is connected between the spring cap and the top wall of the corresponding filter cartridge water inlet hole and the filter cartridge water outlet hole, the fixed valve plate is fixed in the corresponding water inlet column and the water outlet column, the movable valve plate is movably arranged below the fixed valve plate, the movable valve plate is connected to the fixed valve plate by a tension spring, and the fixed valve plate and the movable valve plate of each set of water locking assemblies are staggered and provided with water holes. When purifying water, the raw water is pressed into the waterway from the raw water inlet, filtered through filter cartridges at each level in turn, and then discharged from the clean water outlet to complete the purification of the raw water.

[0004] However, the above scheme has at least the following defects: since the water pressure of the tap water supply on different floors is not the same, and the municipal tap water supply pressure is not constant, there will be water pressure fluctuations during peak or off-peak water usage periods; the water purifier is directly connected to the tap water supply pipe through the raw water inlet, and has no protection device or protection function, resulting in the water pressure in the tap water supply pipe acting on the water purifier at all times, thereby affecting the filtering effect and service life of the water purifier, especially when the water pressure in the tap water supply pipe is too high, it may even damage the water purifier. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a pressure-free valve core, which mainly solves the problem that the current water purifier is greatly affected by water pressure.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions: a pressureless valve core, including an outer shell, a moving porcelain piece and a static porcelain piece matched with the moving porcelain piece are arranged in the outer shell, a raw water inlet channel, a raw water outlet channel, a clean water inlet channel and a clean water outlet channel are spaced apart on the static porcelain piece, a first connecting groove and a second connecting groove are opened on the side of the static porcelain piece facing the moving porcelain piece, the first connecting groove is connected with the raw water outlet channel, and the second connecting groove is connected with the clean water outlet channel, and a first regulating groove connected with the first connecting groove and a second regulating groove connected with the second connecting groove are opened on the side of the moving porcelain piece facing the static porcelain piece; a rotating device for driving the moving porcelain piece to rotate is also arranged in the outer shell, and a connecting area between the first regulating groove and the first connecting groove and the raw water inlet channel is equal to a connecting area between the second regulating groove and the second connecting groove and the clean water inlet channel.

[0007] In the above-mentioned pressure-free valve core, the raw water inlet flow channel, the first connecting groove, the raw water outlet flow channel and the clean water inlet flow channel, the second connecting groove, the clean water outlet flow channel are symmetrical about the central axis of the static porcelain plate.

[0008] In the above-mentioned pressure-free valve core, the first regulating groove and the second regulating groove are symmetrical about the central axis of the moving porcelain piece.

[0009] In the above-mentioned pressureless valve core, the rotating device includes a connecting piece rotatably arranged in the shell and connected to the moving porcelain piece, a valve stem arranged on the top of the shell and connected to the connecting piece, and a limiting device is arranged between the connecting piece and the shell.

[0010] In the above-mentioned pressure-free valve core, the limit device includes two movable limit blocks symmetrically arranged on the surface of the connecting piece, and two static limit blocks symmetrically arranged in the housing and capable of abutting against the two movable limit blocks.

[0011] In the above-mentioned pressure-free valve core, a connecting pipe is provided at the upper end of the connecting member, the inner end of the valve stem is plugged into the connecting pipe, a connecting hole is transversely opened on the connecting pipe, a pin is provided in the connecting hole, and the pin passes through the valve stem.

[0012] In the above-mentioned pressure-free valve core, a positioning block is arranged at the bottom end of the connecting piece, and a positioning groove matching the positioning block is arranged on the surface of the moving porcelain piece.

[0013] In the above-mentioned pressure-free valve core, the shell includes a shell and a base, the base is detachably connected to the lower end of the shell, and the base limits the static porcelain piece.

[0014] In the above-mentioned pressure-free valve core, the base is penetrated by the raw water inlet flow channel, the raw water outlet flow channel, the clean water inlet flow channel, and the clean water outlet flow channel.

[0015] In the above-mentioned pressure-free valve core, a sealing ring is arranged between the base and the static porcelain piece.

[0016] To sum up, the beneficial effects of the utility model compared with the prior art are as follows: the utility model controls the rotation of the moving porcelain piece through a rotating device, and during the rotation of the moving porcelain piece, simultaneously controls the water intake of raw water (unfiltered water) and the water intake of purified water (filtered water), and while supplying raw water to the water purifier, the water purifier also discharges purified water of the corresponding flow rate; after the valve core is closed, the raw water supply of the water purifier is cut off, and purified water is no longer discharged, and the water purifier is in a pressure-free state, so it will not be affected by the fluctuating water pressure, and the protection effect on the water purifier is better; and the structure of the valve core is streamlined, and processing and assembly are more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the external structure of the embodiment;

[0018] Figure 2 for Figure 1 A cross-sectional schematic diagram of

[0019] Figure 3 for Figure 1 Schematic diagram of the explosion structure;

[0020] Figure 4 is a schematic diagram of the bottom structure of the shell;

[0021] Figure 5 It is a schematic diagram of a partial explosion structure of an embodiment;

[0022] Figure 6 for Figure 5 Schematic diagram of the bottom structure;

[0023] Figure 7 It is a schematic diagram of the superposition of the moving ceramic plate and the static ceramic plate, which is mainly used to show the closed state of the valve core;

[0024] Figure 8 for Figure 7 The position of the middle moving porcelain disc after rotating 90° clockwise is mainly used to show the opening state of the valve core.

[0025] Explanation of main figure markings: 1. Shell; 2. Base; 3. Moving porcelain plate; 31. First adjusting groove; 32. Second adjusting groove; 33. Positioning groove; 4. Static porcelain plate; 41. Raw water inlet channel; 42. Raw water outlet channel; 43. Clean water inlet channel; 44. Clean water outlet channel; 5. First connecting groove; 6. Second connecting groove; 7. Connecting piece; 71. Positioning block; 8. Valve stem; 9. Moving limit block; 10. Connecting pipe; 11. Connecting hole; 12. Pin; 13. Sealing ring; 14. Static limit block. DETAILED DESCRIPTION

[0026] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments. The following is a further detailed description of the present invention in conjunction with the accompanying drawings.

[0027] Reference Figure 1-Figure 8 The present embodiment discloses a pressureless valve core, including a shell, a moving porcelain piece 3, and a static porcelain piece 4. The shell includes a shell 1 and a base 2. The moving porcelain piece 3 is rotatably arranged in the shell 1 and is superimposed on the upper end of the static porcelain piece 4. The base 2 is detachably connected to the lower end of the shell 1, and the base 2 limits the static porcelain piece 4; a raw water inlet flow channel 41, a raw water outlet flow channel 42, a clean water inlet flow channel 43, and a clean water outlet flow channel 44 are spaced apart on the static porcelain piece 4; the base 2 is penetrated by the raw water inlet flow channel 41, the raw water outlet flow channel 42, the clean water inlet flow channel 43, and the clean water outlet flow channel 44, and a sealing ring 13 is arranged between the base 2 and the static porcelain piece 4.

[0028] The side of the static ceramic plate 4 facing the moving ceramic plate 3 is provided with a first connecting groove 5 and a second connecting groove 6. The first connecting groove 5 is connected to the raw water outlet flow channel 42, and the second connecting groove 6 is connected to the clean water outlet flow channel 44. The raw water in the first connecting groove 5 can directly enter the raw water outlet flow channel 42, and the clean water in the second connecting groove 6 can directly enter the clean water outlet flow channel 44. The raw water inlet flow channel 41 and the clean water inlet flow channel 43 have the same shape and size, and the raw water outlet flow channel 42 and the clean water outlet flow channel 44 have the same shape and size. Moreover, the raw water inlet flow channel 41, the first connecting groove 5, the raw water outlet flow channel 42, the clean water inlet flow channel 43, the second connecting groove 6, and the clean water outlet flow channel 44 are symmetrical about the central axis of the static ceramic plate 4.

[0029] Reference Figure 5-Figure 8A first adjusting groove 31 and a second adjusting groove 32 are provided on the side of the moving ceramic piece 3 close to the static ceramic piece 4. The first adjusting groove 31 is connected to the first connecting groove 5, and the second adjusting groove 32 is connected to the second connecting groove 6. The first adjusting groove 31 and the second adjusting groove 32 are symmetrical about the central axis of the moving ceramic piece 3.

[0030] A rotating device for driving the moving porcelain piece 3 to rotate is also provided in the shell 1. The rotating moving porcelain piece 3 causes the first regulating groove 31 to gradually connect the first connecting groove 5 and the raw water inlet channel 41, and the second regulating groove 32 to gradually connect the second connecting groove 6 and the clean water inlet channel 43; the connecting area between the first regulating groove 31 and the first connecting groove 5 and the raw water inlet channel 41 is equal to the connecting area between the second regulating groove 32 and the second connecting groove 6 and the clean water inlet channel 43; the raw water can flow out from the raw water outlet channel 42, and the clean water equal to the raw water can flow out from the clean water outlet channel 44.

[0031] Reference Figure 2 , Figure 3 The rotating device includes a connecting member 7 and a valve stem 8. The connecting member 7 is rotatably arranged in the housing 1, and the lower end of the connecting member 7 is connected to the moving porcelain plate 3, the inner end of the valve stem 8 is connected to the connecting member 7, and the outer end of the valve stem 8 passes through the housing 1; specifically, a connecting pipe 10 is arranged at the upper end of the connecting member 7, the inner end of the valve stem 8 is plugged into the connecting pipe 10, a connecting hole 11 is horizontally opened on the connecting pipe 10, a pin shaft 12 is arranged in the connecting hole 11, and the pin shaft 12 passes through the valve stem 8, so as to realize the connection between the valve stem 8 and the connecting member 7.

[0032] Reference Figure 2-Figure 3 A positioning block 71 is provided at the lower end of the connecting member 7, and a positioning groove 33 matched with the positioning block 71 is provided on the surface of the moving ceramic piece 3. In this embodiment, four positioning blocks 71 distributed at intervals are provided at the bottom end of the connecting member 7, and four positioning grooves 33 distributed at intervals are provided on the surface of the moving ceramic piece 3. The connection between the connecting member 7 and the moving ceramic piece 3 is achieved through the cooperation between the positioning block 71 and the positioning groove 33.

[0033] A limiting device is arranged between the connecting member 7 and the housing, and the limiting device comprises two dynamic limiting blocks 9 and two static limiting blocks 14. The two dynamic limiting blocks 9 are symmetrically arranged on the sides of the connecting member 7, and the two static limiting blocks 14 are symmetrically arranged in the housing 1. The static limiting block 14 is located between the two dynamic limiting blocks 9. When the valve stem 8 drives the connecting member 7 to rotate, the static limiting block 14 limits the dynamic limiting block 9, thereby ensuring the rotation stroke of the valve stem 8.

[0034] The working principle of this utility model:

[0035] The raw water supply pipe (tap water pipe) is connected to the raw water inlet flow channel 41, the raw water outlet flow channel 42 is connected to the water inlet of the water purifier, the water outlet of the water purifier is connected to the clean water inlet flow channel 43, and the clean water outlet flow channel 44 can be connected to the faucet, so that the raw water enters the raw water inlet flow channel 41, and the clean water in the water purifier flows into the clean water inlet flow channel 43;

[0036] See also Figure 7 When the valve core is in a closed state, the first regulating groove 31 is only connected to the first connecting groove 5, the raw water inlet channel 41 is separated by the passive porcelain 3, and the second regulating groove 32 is only connected to the second connecting groove 6, and the clean water inlet channel 43 is separated by the passive porcelain 3.

[0037] Rotate the valve stem 8, the valve stem 8 drives the connecting piece 7 and the moving porcelain piece 3 to rotate synchronously, so that the first regulating groove 31 gradually connects the first connecting groove 5 and the raw water inlet flow channel 41, and at the same time, the second regulating groove 32 gradually connects the second connecting groove 6 and the clean water inlet flow channel 43. Figure 8 , the raw water is supplied to the water purifier from the raw water inlet flow channel 41, the first regulating tank 31, the first connecting tank 5, and the raw water outlet flow channel 42 in sequence, and the water purifier discharges the same amount of clean water as the raw water from the clean water inlet flow channel 43, the second regulating tank 32, the second connecting tank 6, the clean water outlet flow channel 44, and the faucet in sequence, that is, the raw water is supplied to the water purifier only when the user uses the clean water. The valve core controls the raw water inlet amount and the clean water discharge amount of the water purifier to be equal, and maintains the water flow in the water purifier to be constant. When the user does not use the clean water, the raw water cannot enter the water purifier, thereby avoiding the fluctuation of the tap water pressure or the damage of the water purifier by the high-pressure water flow.

[0038] The specific embodiments described in this article are merely examples of the spirit of the utility model; technicians in the technical field to which the utility model belongs can make various modifications or additions to the described specific embodiments or replace them in a similar manner, but will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A pressureless valve core, characterized in that: The invention comprises a shell, wherein a moving ceramic sheet (3) and a static ceramic sheet (4) matched with the moving ceramic sheet (3) are arranged in the shell, a raw water inlet flow channel (41), a raw water outlet flow channel (42), a clean water inlet flow channel (43) and a clean water outlet flow channel (44) are arranged on the static ceramic sheet (4), and a first connecting groove (5) and a second connecting groove (6) are arranged on the side of the static ceramic sheet (4) facing the moving ceramic sheet (3), the first connecting groove (5) is connected to the raw water outlet flow channel (42), and the second connecting groove (6) is connected to the clean water outlet flow channel (44). The movable ceramic piece (3) is connected with the flow channel (44), and a first regulating groove (31) connected with the first connecting groove (5) and a second regulating groove (32) connected with the second connecting groove (6) are provided on the side of the movable ceramic piece (3) facing the static ceramic piece (4); a rotating device for driving the movable ceramic piece (3) to rotate is also provided in the housing, and the connecting area between the first regulating groove (31) and the first connecting groove (5) and the raw water inlet flow channel (41) is equal to the connecting area between the second regulating groove (32) and the second connecting groove (6) and the clean water inlet flow channel (43).

2. The pressure-free valve core according to claim 1, characterized in that: The raw water inlet flow channel (41), the first connecting groove (5), the raw water outlet flow channel (42) and the clean water inlet flow channel (43), the second connecting groove (6), the clean water outlet flow channel (44) are symmetrical about the central axis of the static ceramic plate (4).

3. The pressure-free valve core according to claim 2, characterized in that: The first adjustment groove (31) and the second adjustment groove (32) are symmetrical about the central axis of the movable ceramic piece (3).

4. The pressure-free valve core according to claim 1, characterized in that: The rotating device comprises a connecting piece (7) rotatably arranged in the housing and connected to the moving porcelain piece (3), and a valve stem (8) arranged at the top of the housing and connected to the connecting piece (7), and a limiting device is arranged between the connecting piece (7) and the housing.

5. The pressure-free valve core according to claim 4, characterized in that: The limiting device comprises two movable limiting blocks (9) symmetrically arranged on the surface of the connecting member (7), and two static limiting blocks (14) symmetrically arranged in the housing and capable of abutting against the two movable limiting blocks (9).

6. The pressure-free valve core according to claim 4, characterized in that: A connecting tube (10) is provided at the upper end of the connecting piece (7), and the inner end of the valve stem (8) is plugged into the connecting tube (10). A connecting hole (11) is transversely opened on the connecting tube (10), and a pin shaft (12) is provided in the connecting hole (11), and the pin shaft (12) passes through the valve stem (8).

7. The pressure-free valve core according to claim 4, characterized in that: A positioning block (71) is provided at the bottom end of the connecting piece (7), and a positioning groove (33) matching the positioning block (71) is provided on the surface of the movable ceramic piece (3).

8. The pressure-free valve core according to any one of claims 1 to 7, characterized in that: The housing comprises a shell (1) and a base (2); the base (2) is detachably connected to the lower end of the shell (1), and the base (2) limits the position of the static ceramic plate (4).

9. The pressure-free valve core according to claim 8, characterized in that: The base (2) is penetrated by the raw water inlet flow channel (41), the raw water outlet flow channel (42), the clean water inlet flow channel (43), and the clean water outlet flow channel (44).

10. The pressure-free valve core according to claim 9, characterized in that: A sealing ring (13) is provided between the base (2) and the static ceramic plate (4).

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