Shifting rod type waterway switching device and faucet water purifier thereof

Abstract

The utility model discloses a deflector rod type waterway switching device and a faucet water purifier thereof, which comprise a valve body and a piston plug arranged in the valve body, a water inlet and a water outlet are arranged in the valve body, and an upper gasket and a lower gasket are arranged on the piston plug. A crank assembly which penetrates through the middle of the piston plug and can move up and down to drive the piston plug to move up and down so as to close the water inlet through the upper gasket or close the water outlet through the lower gasket is arranged on the outer side of the valve body. According to the utility model, the piston plug is controlled by the driving lever to move up and down to realize waterway switching, so that the problem that the waterway switching device is damaged due to easy abrasion of an O-shaped sealing ring is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of water purification equipment, in particular to a lever-type water channel switching device and a tap water purifier thereof. Background Art

[0002] With the development of economy and industry, the water treatment process of most water plants still remains at the stage of flocculation-sedimentation-filtration-chlorine disinfection. The direct water out of the tap cannot meet people's requirements for tap water. In order to improve the quality of water use, many families will install tap water purifiers on the taps to improve the quality of tap water. However, the water channel switching device of the tap water purifier is mostly a knob, and the knob usually uses an O-ring. The sealing method of the O-ring is not durable and easy to wear. Utility Model Content

[0003] The purpose of the utility model is to solve the above-mentioned technical problems and to provide a lever-type water circuit switching device and a faucet water purifier thereof. The utility model realizes water circuit switching by controlling the piston plug to move up and down through the lever, thereby avoiding the problem of damage to the water circuit switching device caused by easy wear of the O-ring.

[0004] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a lever-type water channel switching device, including a valve body, a piston plug arranged in the valve body, a water inlet and a water outlet are arranged in the valve body, an upper gasket and a lower gasket are arranged on the piston plug, and a crank assembly is arranged on the outside of the valve body, which passes through the middle of the piston plug and can move up and down, driving the piston plug to move up and down, thereby closing the water inlet with the upper gasket or closing the water outlet with the lower gasket.

[0005] Preferably, the valve body includes a water inlet cavity and a receiving cavity, the receiving cavity and the water inlet cavity are integrally formed, a piston plug and a first water outlet pipe are arranged in the receiving cavity, the water inlet is arranged at the top of the receiving cavity, the first water outlet pipe is arranged below the piston plug, and the water outlet is arranged on the first water outlet pipe. By arranging the first water outlet pipe and the water outlet, users can directly use raw water.

[0006] Preferably, the valve body is provided with a second water outlet pipe, which is connected to the water inlet, and a water purification device is provided on one side of the second water outlet pipe. The second water outlet pipe is connected to the water inlet to switch the upper and lower waterways of the lever. When water purification is required, the water flows from the water inlet to the second water outlet pipe and then enters the water purification device for purification before flowing out.

[0007] Preferably, a ridge is provided in the accommodating cavity, a first groove is provided on the piston plug, the ridge is locked with the first groove, and the piston plug moves up and down along the ridge. The ridge and the first groove are provided to prevent the piston plug from moving freely in the accommodating cavity.

[0008] Preferably, the crank assembly includes a crank member, the crank member includes a shift rod and a crank rod passing through the middle of the piston plug, and the shift rod and the crank rod are integrally formed.

[0009] Preferably, a first through hole is provided in the middle of the piston plug, a second through hole and a third through hole are provided on the valve body, and the curved rod passes through the second through hole, the first through hole and the third through hole in sequence.

[0010] Preferably, the crank assembly further comprises a crank fitting, a protrusion is provided at the end of the crank rod, a connecting rod is provided on the shift rod, a second groove and a third groove are provided on the crank fitting, the protrusion is inserted into the second groove, and the connecting rod is inserted into the third groove.

[0011] Preferably, a first sealing head is provided on the shifting rod, and the first sealing head is provided on one side of the crank rod to seal the second through hole; a second sealing head is provided on the crank mating piece to seal the third through hole, and the second groove is provided on the second sealing head.

[0012] Preferably, a first gasket groove and a second gasket groove are provided on the piston plug, the upper gasket is arranged in the first gasket groove, and the lower gasket is arranged in the second gasket groove.

[0013] A faucet water purifier comprises the lever-type water channel switching device.

[0014] The utility model has the beneficial effect that: the utility model realizes waterway switching by controlling the piston plug to move up and down through the lever, thereby avoiding the problem of damage to the waterway switching device caused by easy wear of the O-ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 yes Figure 1 Cross-sectional view along the AA direction.

[0017] Figure 3 It is a structural diagram of the valve body.

[0018] Figure 4 It is a structural diagram of the valve body from another perspective.

[0019] Figure 5 It is a schematic diagram of the structure of the piston plug.

[0020] Figure 6 It is a schematic diagram of the connection structure between the crank assembly and the piston plug.

[0021] Figure 7 It is a schematic diagram of the structure of the crank assembly.

[0022] Figure 8 It is a structural schematic diagram of the crank member.

[0023] Fig. 9 It is a schematic diagram of the structure of the crank fittings.

[0024] Fig.10 It is a structural schematic diagram of the first water outlet pipe.

[0025] In the figure: 1. valve body, 11. water inlet, 12. first water outlet pipe, 121. water outlet, 13. second water outlet pipe, 14. water inlet cavity, 15. accommodating cavity, 151. ridge, 16. second through hole, 17. third through hole, 2. piston plug, 21. upper gasket, 22. lower gasket, 23. first groove, 24. first gasket groove, 25. second gasket groove, 26. first through hole, 3. crank assembly, 31. crank member, 311. lever, 3111. connecting rod, 3112. first sealing head, 312. crank rod, 3121. protrusion, 32. crank fitting, 321. second groove, 322. third groove, 323. second sealing head, 4. water purification equipment. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0027] like Figure 1-10 As shown, the utility model is a lever-type water channel switching device, including a valve body 1, a piston plug 2 arranged in the valve body 1, a water inlet 11 and a water outlet 121 are arranged in the valve body 1, an upper gasket 21 and a lower gasket 22 are arranged on the piston plug 2, and a crank assembly 3 is arranged on the outer side of the valve body 1, which passes through the middle of the piston plug 2 and can move up and down, driving the piston plug 2 to move up and down, so that the water inlet 11 is closed by the upper gasket 21 or the water outlet 121 is closed by the lower gasket 22.

[0028] The valve body 1 includes a water inlet cavity 14 and a accommodating cavity 15. The accommodating cavity 15 is integrally formed with the water inlet cavity 14. A piston plug 2 and a first water outlet pipe 12 are provided in the accommodating cavity 15. The water inlet 11 is provided at the top of the accommodating cavity 15. The first water outlet pipe 12 is provided below the piston plug 2. The water outlet 121 is provided on the first water outlet pipe 12.

[0029] A second water outlet pipe 13 is provided on the valve body 1 . The second water outlet pipe 13 is communicated with the water inlet 11 . A water purification device 4 is provided on one side of the second water outlet pipe 13 .

[0030] A ridge 151 is provided in the accommodating cavity 15 , and a first groove 23 is provided on the piston plug 2 . The ridge 151 is engaged with the first groove 23 , and the piston plug 2 moves up and down along the ridge 151 .

[0031] The crank assembly 3 includes a crank member 31 , and the crank member 31 includes a shifting rod 311 and a crank rod 312 passing through the middle of the piston plug 2 , and the shifting rod 311 and the crank rod 312 are integrally formed.

[0032] A first through hole 26 is provided in the middle of the piston plug 2, a second through hole 16 and a third through hole 17 are provided on the valve body 1, and the bent rod 312 passes through the second through hole 16, the first through hole 26, and the third through hole 17 in sequence.

[0033] The crank assembly 3 also includes a crank fitting 32 , a crank rod 312 is provided with a protrusion 3121 , a shift rod 311 is provided with a connecting rod 3111 , a second groove 321 and a third groove 322 are provided on the crank fitting 32 , the protrusion 3121 is inserted into the second groove 321 , and the connecting rod 3111 is inserted into the third groove 322 .

[0034] The lever 311 is provided with a first sealing head 3112 , which is arranged on one side of the crank lever 312 to seal the second through hole 16 ; the crank fitting 32 is provided with a second sealing head 323 to seal the third through hole 17 , and the second groove 321 is arranged on the second sealing head 323 .

[0035] A first gasket groove 24 and a second gasket groove 25 are provided on the piston plug 2 . The upper gasket 21 is arranged in the first gasket groove 24 , and the lower gasket 22 is arranged in the second gasket groove 25 .

[0036] A faucet water purifier comprises the lever-type water channel switching device.

[0037] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0038] It should be noted that when an element is referred to as being "fixed on" or "provided on" another element, it may be directly located on the other element or indirectly located on the other element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element.

[0039] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating relative importance or indicating the number of technical features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

Claims

1. A lever-type waterway switching device, characterized in that: The invention comprises a valve body (1) and a piston plug (2) arranged in the valve body (1); a water inlet (11) and a water outlet (121) are arranged in the valve body (1); an upper gasket (21) and a lower gasket (22) are arranged on the piston plug (2); and a crank assembly (3) is arranged on the outer side of the valve body (1) and passes through the middle of the piston plug (2) and can move up and down to drive the piston plug (2) to move up and down, thereby closing the water inlet (11) with the upper gasket (21) or closing the water outlet (121) with the lower gasket (22).

2. The lever-type waterway switching device according to claim 1, characterized in that: The valve body (1) comprises a water inlet cavity (14) and a receiving cavity (15); the receiving cavity (15) and the water inlet cavity (14) are integrally formed; a piston plug (2) and a first water outlet pipe (12) are arranged in the receiving cavity (15); a water inlet (11) is arranged at the top of the receiving cavity (15); the first water outlet pipe (12) is arranged below the piston plug (2); and a water outlet (121) is arranged on the first water outlet pipe (12).

3. The lever-type waterway switching device according to claim 2, characterized in that: A second water outlet pipe (13) is provided on the valve body (1), the second water outlet pipe (13) is in communication with the water inlet (11), and a water purification device (4) is provided on one side of the second water outlet pipe (13).

4. The lever-type waterway switching device according to claim 2, characterized in that: A ridge (151) is provided in the accommodating cavity (15), a first groove (23) is provided on the piston plug (2), the ridge (151) and the first groove (23) are locked together, and the piston plug (2) moves up and down along the ridge (151).

5. The lever-type waterway switching device according to claim 1, characterized in that: The crank assembly (3) comprises a crank member (31), the crank member (31) comprises a shifting rod (311) and a crank rod (312) passing through the middle of the piston plug (2), and the shifting rod (311) and the crank rod (312) are integrally formed.

6. The lever-type waterway switching device according to claim 5, characterized in that: A first through hole (26) is provided in the middle of the piston plug (2), a second through hole (16) and a third through hole (17) are provided on the valve body (1), and the bent rod (312) passes through the second through hole (16), the first through hole (26), and the third through hole (17) in sequence.

7. The lever-type waterway switching device according to claim 6, characterized in that: The crank assembly (3) also includes a crank fitting (32), the crank rod (312) is provided with a protrusion (3121), the shift rod (311) is provided with a connecting rod (3111), the crank fitting (32) is provided with a second groove (321) and a third groove (322), the protrusion (3121) is inserted into the second groove (321), and the connecting rod (3111) is inserted into the third groove (322).

8. The lever-type waterway switching device according to claim 7, characterized in that: The shifting rod (311) is provided with a first sealing head (3112), which is arranged on one side of the crank rod (312) to seal the second through hole (16); the crank fitting (32) is provided with a second sealing head (323) to seal the third through hole (17), and the second groove (321) is provided on the second sealing head (323).

9. The lever-type waterway switching device according to claim 1, characterized in that: A first gasket groove (24) and a second gasket groove (25) are provided on the piston plug (2); the upper gasket (21) is arranged in the first gasket groove (24), and the lower gasket (22) is arranged in the second gasket groove (25).

10. A tap water purifier, characterized in that: It comprises a lever-type waterway switching device as described in any one of claims 1 to 9.

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