TWM577349U - Waste water recycling structure of reverse osmosis (RO) filter - Google Patents

Abstract

The invention relates to a waste water recovery structure of an RO reverse osmosis filter, which comprises: a water supply device diverting a first water pipe and a second water pipe, a filter connecting the first water pipe, and connecting a waste water tank with a drain pipe, a mixing Connected to each other to form a water inlet end connected to the second water pipe, a water outlet end and a waste water introduction pipe connected to the waste water tank, and the water outlet end is connected with a water device, and a mixing chamber is formed inside the mixer, and The mixing chamber is formed with a water inlet taper hole through the water inlet end, and a water taper hole is formed through the water outlet end, and a backstop assembly is disposed between the mixer and the waste water inlet pipe, and the water flow flows through the mixer The negative pressure can be generated in the mixing chamber, and the backstop assembly is actuated to form an automatic suction of the waste water tank, thereby mixing waste water into general water to achieve water saving effect.

Description

Wastewater recovery structure of RO reverse osmosis filter

The present invention relates to a water filtration device, and more particularly to a wastewater recovery structure of an RO reverse osmosis filter capable of effectively recovering wastewater.

According to the conventional RO reverse osmosis filter structure, which is commonly applied to a water supply device to have water through reverse osmosis to obtain purified water, thereby achieving the effect of purifying the drinking water, however, the RO reverse osmosis filter The water filtration process will discharge a large amount of waste water, which cannot meet the water quality of general washing, so it cannot be used directly, but there is a waste of water resources directly discharged, and the amount of water wasted in a long period of time is considerable, so some use A water container is placed in the wastewater discharged from the RO reverse osmosis filter. After the waste water is filled, the water is taken or flushed to the toilet. However, since the wastewater needs to be manually treated, the efficiency of waste water recovery is low, and it is very troublesome. This is the technical problem that the creative is trying to solve.

In view of this, the creator has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation, the author has finally achieved a practical and practical creation.

The technical problem to be solved by the present invention is to provide a wastewater recovery structure for an RO reverse osmosis filter in view of the above-mentioned shortcomings existing in the prior art.

a water supply device diverts a first water pipe and a second water pipe, and a filter is connected The first water pipe is used for water inlet, and the filter is connected with a drain pipe, and a waste water tank is connected by the drain pipe, and the waste water generated by the filter through the reverse osmosis water is concentrated by the drain pipe in the waste water tank The mixers are connected to each other to form a water inlet end, a water outlet end and a waste water introduction pipe, and the mixer connects the second water pipe with the water inlet end, and the waste water introduction pipe is connected to the waste water tank. The water outlet end is connected with a water device, and a mixing chamber is formed inside the mixer, and the mixing chamber is formed with a water inlet cone having a hole diameter outwardly extending toward the water inlet end, and the mixing chamber is formed to communicate with the water outlet end. a taper hole having a hole diameter diverging outwardly, and a mixing chamber of the mixer is formed with at least one micro-hole through the waste water introduction pipe, and the mixer is connected to the waste water inlet pipe by a joint sleeve, and the joint sleeve A backstop assembly is mounted inside.

The backstop assembly includes a flow guiding seat and a movable rod. The flow guiding seat is formed with a body at one end, and the base body is provided with a plurality of guiding holes, and the other end of the guiding seat is provided with a tubular hole. And the flow guiding seat is fixed between the mixer and the connecting sleeve by the seat body, and the micro hole is communicated with the guiding hole of the seat body, and one end of the movable rod is inserted into the tubular hole, And the other end of the movable rod is formed with a water stop plug for blocking the circulation of the joint sleeve.

Wherein, the mixer further forms a collecting chamber between the micro-hole and the seat body, and the collecting hole communicates with the micro-hole and the guiding hole.

The control rod is provided with a control panel adjacent to the water stop plug, and a plurality of limiting portions are formed on the outer periphery of the movable rod, and a plurality of arc ports are concavely formed between the limiting portions, and the control is further controlled. The plate is in contact with the inner wall surface of the connecting sleeve by the limiting portion, thereby assisting in limiting the displacement direction of the movable rod, and forming the conduction between the two ends of the connecting sleeve through the arc opening.

Wherein, the movable rod is sleeved between the control panel and the water stop plug. The ring, and the elasticity of the water stop ring is used to form a stop flow of the joint sleeve.

Wherein, the mixer is further connected with an ozone introduction tube, and an ozone generator is connected to the ozone introduction tube, and the mixer is connected to the ozone introduction tube by a connecting sleeve, and the connection sleeve is internally provided with a non-return component, and When the micro-hole is used to generate a negative pressure, the anti-reverse component is sucked to form an ozone-introducing tube for automatic suction of the ozone machine, thereby quantitatively mixing the ozone into the general water, thereby achieving the ozone sterilization effect.

The backstop assembly includes a guiding seat and a displacement rod. The guiding seat is formed with a disk body at one end, and the disk body is provided with a plurality of guiding holes, and the other end of the guiding seat defines a pipe hole, and the guiding The seat is fixed between the mixer and the connecting sleeve by the disc body, and communicates with the micro hole through the guiding hole of the disc body, the one end of the displacement rod is inserted into the tube hole, and the displacement rod is further A water stop plug is formed at one end, and the water stop plug is used to block the circulation of the connection sleeve.

Wherein, the mixer further forms a confluence chamber between the micro-hole and the disc body, and the micro-hole and the guide holes are communicated by the confluence chamber.

The displacement rod is provided with an actuation plate adjacent to the water stop plug, and a plurality of convex portions are formed on the outer periphery of the actuation plate, and a plurality of concave portions are concavely formed between the convex portions, and the actuation plate is The convex portion abuts against the inner wall surface of the connecting sleeve, thereby assisting in limiting the displacement direction of the displacement rod, and forming the conduction between the two ends of the connecting sleeve through the concave portion.

Wherein, the displacement rod is sleeved with a water stop between the actuation plate and the water stop plug, and the elasticity of the water stop ring is used to form a stop flow of the connection sleeve.

The first main purpose of the present invention is that the drain pipe of the filter is connected to the waste water tank, and the mixer is connected to the water supply device by the water inlet end, and the waste water tank is connected to the waste water tank, and the water outlet end is connected to the waste water tank. a water device, wherein the mixing chamber of the mixer is connected to the water inlet end a water inlet cone hole, and a water outlet cone is formed through the water outlet end, and a backstop assembly is disposed between the mixer and the waste water introduction pipe, and the water flow through the mixer can generate a negative pressure in the mixing chamber, The backstop assembly is actuated to form an automatic suction of the waste water tank, thereby mixing waste water into general water to achieve water saving effect.

The second main purpose of the present invention is that the drain pipe of the filter is connected to the waste water tank, and the mixer is connected to the water supply device by the water inlet end, and the waste water tank is connected with the waste water inlet pipe, and the water discharge end is connected with the waste water tank. a water-using device, wherein the mixing chamber of the mixer is formed with a water inlet taper hole through the water inlet end, and a water outlet cone hole is formed through the water outlet end, and a backstop assembly is disposed between the mixer and the waste water inlet pipe. And the mixer is connected to the ozone machine by the ozone introduction tube, and a non-return assembly is disposed between the mixer and the ozone introduction tube, and the water flow through the mixer can generate a negative pressure in the mixing chamber. Actuating the backstop assembly and the backstop assembly to form an automatic suction of the waste water tank and the ozone machine, so that the waste water and the general water are simultaneously sterilized by ozone, not only can automatically provide the ozone sterilization function of the water device, and can Before the water quality is not affected, the amount of the added wastewater is increased, so as to effectively improve the water saving effect.

Other objects, advantages and novel features of the present invention will become more apparent from the detailed description and the accompanying drawings.

[this creation]

10‧‧‧Water supply

11‧‧‧First water pipe

12‧‧‧Second water pipe

20‧‧‧Filter

20A‧‧‧Water purification device

21‧‧‧Drainage pipe

22‧‧‧ Waste water tank

221‧‧‧Overflow tube

30‧‧‧Mixer

31‧‧‧ water inlet

311‧‧‧Water inlet cone

32‧‧‧ water outlet

321‧‧‧Water taper hole

33‧‧‧Wastewater inlet pipe

34‧‧‧Water installation

35‧‧‧Mixed room

36‧‧‧Micro-holes

361‧‧‧ collecting room

362‧‧ ‧ confluence chamber

37‧‧‧Link set

38‧‧‧Ozone inlet tube

39‧‧‧Connecting sleeve

40‧‧‧Backstop components

41‧‧‧Guide

411‧‧‧ body

412‧‧‧Inlet

413‧‧‧Tubular hole

42‧‧‧ activity pole

421‧‧‧ water stop

422‧‧‧Control panel

422a‧‧‧Limited

422b‧‧‧Arc

43‧‧‧ water ring

50‧‧‧Ozone machine

60‧‧‧Back assembly

61‧‧‧ Guide seat

611‧‧‧ dish

612‧‧‧ Guide hole

613‧‧‧ tube hole

62‧‧‧Displacement rod

621‧‧ ‧ water stop

622‧‧‧ actuation board

622a‧‧‧ convex

622b‧‧‧ recess

63‧‧‧ water stop

Figure 1 is a schematic diagram of the structure of the creation.

Figure 2 is an exploded view of the creation.

Figure 3 is a schematic diagram of the structure of the water use state.

Figure 4 is a cross-sectional view of the creation of the water in a state of use.

Figure 5 is a schematic diagram of the structure of the present creation in a state of no water use.

Figure 6 is a cross-sectional view of the creation of the present in a state of no water use.

In order to enable your review committee to have a better understanding and understanding of the purpose, characteristics and efficacy of this creation, please refer to the following [Simplified Description of the Drawings] for details: First, please see the views shown in Figures 1 and 2. The waste water recovery structure of the RO reverse osmosis filter comprises: a water supply device 10, a filter 20 and a mixer 30, and a water supply device 10 is divided into a first water pipe 11 and a second water pipe 12, The filter 20 is connected to the first water pipe 11 for water inlet, and the filter 20 is connected with a drain pipe 21, and a waste water tank 22 is connected by the drain pipe 21, and the filter 20 is produced by reverse osmosis water filtration. The waste water is concentrated in the waste water tank 22 by the drain pipe 21, and the filtered purified water flows to a water purification device 20A for use, and the waste water tank 22 is connected with an overflow pipe 221 for performing full water level drainage. A mixer 30 is connected to each other to form a water inlet end 31, a water outlet end 32 and a waste water introduction pipe 33, and the mixer 30 is connected to the second water pipe 12 by the water inlet end 31, and the waste water introduction pipe 33. Connecting the waste water tank 22, and the water discharge end 32 is connected with a water And a mixing chamber 35 is formed in the mixer 30, and the mixing chamber 35 is formed with a water inlet end 31 to form a water inlet taper hole 311 whose aperture is outwardly expanded, and the mixing chamber 35 communicates with the water outlet end. 32 is formed with a water taper hole 321 which is gradually enlarged toward the outside, and the mixing chamber 35 of the mixer 30 is formed with at least one micro-hole 36 through the waste water introduction pipe 33, and the mixer 30 is connected by a joint sleeve 37. The waste water is introduced into the tube 33, and the backing assembly 40 is internally provided with a backstop assembly 40. The backstop assembly 40 includes a flow guiding seat 41 and a movable rod 42. The flow guiding seat 41 is formed with a body 411 at one end. The base body 411 is provided with a plurality of air guiding holes 412, and the other end of the air guiding seat 41 defines a tubular hole 413, and the air guiding seat 41 is fixed to the mixer 30 by the base body 411 and the connecting body. The micro-hole 36 is communicated between the sleeves 37 and the guide holes 412 of the base 411. One end of the movable rod 42 is inserted into the tubular hole 413, and the other end of the movable rod 42 is formed with a water stop 421. The water stop plug 421 is used to block the circulation of the connecting sleeve 37, and the mixer 30 is in the micro hole 36 and the base 411. A collecting chamber 361 is formed between the micro-holes 36 and the guiding holes 412, and the control rod 42 is disposed adjacent to the water-stopping plug 421, and the control board 422 is provided. A plurality of limiting portions 422a are formed on the outer periphery of the 422, and a plurality of arcuate openings 422b are recessed between the limiting portions 422a, so that the control plate 422 is in contact with the inner wall surface of the connecting sleeve 37 by the limiting portion 422a. And assisting to limit the displacement direction of the movable rod 42 , and forming the conduction between the two ends of the connecting sleeve 37 through the arc opening 422 b , and the movable rod 42 is sleeved between the control board 422 and the water stop plug 421 . The ring 43 and the elasticity of the water stop ring 43 are used to form a stop flow of the joint sleeve 37. The water source of the water taper hole 321 flows out from the water inlet taper hole 311 and the mixing chamber 35 by the above structure. A negative pressure can be generated in the micro-hole 36, and the backstop assembly 40 is moved inside the joint sleeve 37 to form an automatic suction of the waste water tank 22 by the waste water introduction pipe 33, thereby mixing a small amount of waste water after reverse osmosis. Generally use water to achieve the effect of water saving, and the creation further uses the mixer 30 An ozone introduction tube 38 is connected, and an ozone generator 50 is connected to the ozone introduction tube 38. The mixer 30 is connected to the ozone introduction tube 38 by a connecting sleeve 39, and the connection sleeve 39 is internally provided with a non-return assembly 60. When the micro-hole 36 generates a negative pressure, the anti-reverse assembly 60 is sucked to form an automatic suction of the ozone generator 50 by the ozone introduction tube 38, thereby quantitatively mixing the ozone (O ₃ ) into the general water, thereby achieving The anti-reverse assembly 60 includes a guiding base 61 and a displacement rod 62. The guiding base 61 is formed with a disc body 611 at one end, and the disc body 611 is provided with a plurality of guiding holes 612, and the guiding seat The other end of the 61 is provided with a tube hole 613, and the guide base 61 is fixed between the mixer 30 and the connecting sleeve 39 by the disc body 611, and the micro hole is communicated with the guiding hole 612 of the disc body 611. 36. One end of the displacement rod 62 is inserted into the tube hole 613, and the other end of the displacement rod 62 is formed with a water blocking plug 621, and the water blocking plug 621 is used to block the circulation of the connecting sleeve 39. A further forming a confluence chamber 362 between the micro-hole 36 and the disc body 611, The flow chamber 362 is connected to the micro-holes 36 and the guide holes 612, and the displacement rod 62 is adjacent to the water-blocking plug 621, and an actuating plate 622 is formed, and a plurality of convex portions 622a are formed on the outer periphery of the actuating plate 622, and A plurality of concave portions 622b are recessed between the convex portions 622a, and the movable plate 622 is in contact with the inner wall surface of the connecting sleeve 39, thereby assisting to restrict the displacement direction of the displacement rod 62 and passing through the concave portion 622b. Forming a conduction between the two ends of the connecting sleeve 39, the displacement rod 62 is sleeved with a water stop 63 between the operating plate 622 and the water blocking plug 621, and the elasticity of the water stopping ring 63 is used to form the connecting sleeve 39. Stop the flow.

The effect of the actual use, and then viewed from the first figure to the sixth figure, the first water pipe 11 of the water supply device 10 is connected to the filter 20, and the filter 20 can be an RO reverse osmosis filter. The filtered purified water is supplied to the water purifying device 20A, thereby achieving the purified water level of the raw drink, and the OR reverse osmosis filtration generates a large amount of waste water, and the waste water of the filter 20 passes through the drain pipe 21 The waste water tank 22 is discharged into the waste water tank 22 for storage. If the waste water reaches the full water level of the waste water tank 22, the overflow water pipe 221 can be drained, and the water supply device 10 is further connected to the mixer by the split second water pipe 12. 30, the water inlet end 31, thereby maintaining a proper water pressure state of the second water pipe 12 and the water inlet end 31, and the waste water introduction pipe 33 of the mixer 30 is connected to the waste water tank 22, and is introduced by the ozone The pipe 38 is connected to the ozone machine 50, and the water outlet 32 of the mixer 30 is connected to the water device 34. Further, the connection between the waste water introduction pipe 33 and the mixer 30 is formed by the joint sleeve 37, and the connection is made. The sleeve 37 is provided with a backstop assembly 40, and the backstop assembly 40 is formed by the flow guiding seat 41. The base 411 is interposed between the connecting sleeve 37 and the mixer 30, and the guiding hole 412 is communicated with the mixing chamber 35 via the micro-hole 36. The movable rod 42 is inserted into the guiding seat 41. The tubular hole 413 is configured to axially displace the movable rod 42 inside the joint sleeve 37, and the water stop plug 421 is engaged with the water stop ring 43 to form a conduction between the guide hole 412 and the waste water introduction pipe 33. Stopping, another connection between the ozone introduction tube 38 and the mixer 30 is formed by the connecting sleeve 39, and a non-return assembly 60 is mounted in the connecting sleeve 39, and the anti-reverse assembly 60 is a disc of the guiding seat 61. The body 611 is fixedly disposed between the connecting sleeve 39 and the mixer 30, so that the guiding hole 612 communicates with the mixing chamber 35 via the micro hole 36, and the displacement rod 62 is inserted into the tube hole of the guiding seat 61. 613, the displacement rod 62 can be axially displaced inside the connecting sleeve 39, and the water blocking plug 621 cooperates with the water stop 63 to form a conduction and stop between the guiding hole 612 and the ozone introducing tube 38. When the water device 34 uses water, the water flow of the water supply device 10 flows through the second water pipe 12 through the water inlet end 31, the water inlet cone hole 311, and the mixing chamber of the mixer 30. 35. The water taper hole 321 and the water outlet end 32 are discharged from the water device 34. At this time, the water flows into the mixing chamber 35 through the inlet taper hole 311 which gradually reduces the aperture, and then flows out from the taper hole 321 which gradually enlarges the aperture. The transmission flow rate is changed to generate a pressure difference at the mixing chamber 35, and the suction of the control plate 422 for driving the movable rod 42 is formed at the micro-hole 36, so that the movable rod 42 is displaced in the direction of the flow guiding seat 41. The water stop 421 of the movable rod 42 and the water stop ring 43 are separated from the joint sleeve 37 to form a conductive state, and the waste water in the waste water tank 22 can be sucked out by the waste water introduction pipe 33 and sequentially flow through the joint sleeve 37. The flow guiding hole 412 and the collecting chamber 361 are flowed into the mixing chamber 35 from the micro-hole 36, thereby mixing the water after the normal water and the reverse osmosis at the mixing chamber 35, and taking it down before the water quality is affected. To achieve the purpose of water saving, the utility model has the effect of automatically recycling waste water, and further, a pressure difference is generated at the mixing chamber 35 through the flow rate change in the mixer 30, and can also be at the other micro-hole 36. Forming a suction plate 622 that drives the displacement rod 62 to attract the bit Direction lever 6261 to guide the displacement of the seat, enabling the displacement of the rod 621 and the sealing plug retaining ring 63 is separated from the sleeve 62. 39 is formed a conducting state, ozone Ozone (O ₃₎ 50 can sequentially flow through the The ozone introduction tube 38, the concave portion 622b, the guide hole 612, and the confluence chamber 362 flow into the mixing chamber 35 from the micro-hole 36, thereby mixing the water stream containing the wastewater and the ozone at the mixing chamber 35, so that the wastewater is Generally, the water is simultaneously sterilized by ozone, and the ozone sterilization function of the water device 34 can be automatically provided, and the mixing amount of the wastewater can be increased before the water quality is not affected, so as to effectively improve the water saving effect, and vice versa. When the water device 34 stops using water, the water pressure of the water supply device 10 will be maintained in the mixer 30, and the movable rod 42 and the displacement rod 62 are pushed back to the water stop position by the water pressure, that is, the ozone mixing can be automatically stopped. The waste water has high structural stability and is not easily damaged, thereby achieving stable use of automatic waste water recovery and ozone supply through a simple structure.

In summary, this creation has indeed achieved a breakthrough structural design, and has improved new content, while at the same time achieving industrial use and progress, and this creation is not seen in any publication, but also novel, when In accordance with the provisions of the relevant laws and regulations of the Patent Law, a new type of patent application is filed according to law, and the examination authority of the bureau is required to grant legal patent rights.

Only the above-mentioned ones are only preferred embodiments of the present invention, and the scope of the creation of the present invention cannot be limited thereto; that is, the equal changes and modifications made by the majority of the patent application scope of the present invention should still belong to the present invention. Within the scope of the patent.

Claims (10)

A waste water recovery structure of an RO reverse osmosis filter, comprising: a water supply device, the water supply device is divided into a first water pipe and a second water pipe; and a filter connected to the first water pipe for water inlet, And the filter is connected to a drain pipe, and a waste water tank is connected by the drain pipe, and the waste water generated by the filter through the reverse osmosis water is concentrated in the waste water tank by the drain pipe; and a mixer, the mixing The water inlet ends, a water outlet end and a waste water introduction pipe are formed in contact with each other, and the mixer connects the second water pipe with the water inlet end, and the waste water introduction pipe is connected to the waste water tank, and the water outlet end is connected There is a water device, and a mixing chamber is formed inside the mixer, and the mixing chamber is formed with a water inlet taper hole having a hole diameter outwardly extending from the water inlet end, and the mixing chamber is formed with a hole facing outward through the water outlet end. a diverging water taper hole, wherein the mixing chamber of the mixer is formed with at least one micro-hole through the waste water introduction pipe, and the mixer is connected to the waste water inlet pipe by a joint sleeve, and the joint sleeve is internally mounted a backstop assembly, the water source flowing out of the water inlet cone hole from the water inlet cone hole and the mixing chamber can generate a negative pressure on the micro hole, so that the backstop assembly moves inside the joint sleeve to form a waste water introduction tube pair The waste water tank is automatically sucked, thereby a small amount of waste water after reverse osmosis is mixed into the general water, thereby achieving the effect of water saving. The waste water recovery structure of the RO reverse osmosis filter according to the first aspect of the invention, wherein the backstop assembly comprises a flow guiding seat and a movable rod, the flow guiding seat is formed with a body at one end, and the seat The body opening is provided with a plurality of guiding holes, and the other end of the guiding seat is provided with a tubular hole, and the guiding seat is sandwiched and fixed between the mixer and the connecting sleeve by the body, and the seat body is The water guiding hole communicates with the micro hole, one end of the movable rod is inserted into the tubular hole, and the other end of the movable rod is formed with a water stop plug for blocking the circulation of the connecting sleeve. The wastewater recovery structure of the RO reverse osmosis filter according to the second aspect of the invention, wherein the mixer further forms a collecting chamber between the micro-hole and the seat body, and the collecting chamber communicates with the collecting chamber Micro-holes and the flow-guiding holes. The waste water recovery structure of the RO reverse osmosis filter according to the third aspect of the invention, wherein the movable rod is provided with a control panel adjacent to the water stop plug, and a plurality of limiting portions are formed on the outer periphery of the control panel. And a plurality of arc ports are formed in the recess between the limiting portions, and the control plate is in contact with the inner wall surface of the connecting sleeve by the limiting portion, thereby assisting to limit the displacement direction of the movable rod, and forming the hole through the arc opening The connection between the two ends of the sleeve. The waste water recovery structure of the RO reverse osmosis filter according to the fourth aspect of the invention, wherein the movable rod is sleeved with a water stop ring between the control plate and the water stop plug, and the elasticity of the water stop ring Used to form a stop flow of the joint sleeve. The wastewater recovery structure of the RO reverse osmosis filter according to claim 1, wherein the mixer is further connected with an ozone introduction tube, and an ozone generator is connected to the ozone introduction tube, and the mixer is connected by a connection. The sleeve is connected to the ozone introduction tube, and the connection sleeve is internally provided with a non-return assembly, and the micro-hole is sucked when the negative pressure is generated to form an ozone introduction tube for automatic suction of the ozone machine, thereby The ozone is quantitatively mixed into the general water to achieve the effect of ozone sterilization. The waste water recovery structure of the RO reverse osmosis filter according to the sixth aspect of the invention, wherein the anti-reverse assembly comprises a guide seat and a displacement rod, the guide seat is formed with a disc body at one end, and the disc body is opened a plurality of guide holes, and a tube hole is defined at the other end of the guide seat, and the guide seat is fixed between the mixer and the connecting sleeve by the disc body, and communicates with the guide hole of the disc body a hole, one end of the displacement rod is inserted in the tube hole, and the other of the displacement rod A water stop plug is formed at the end, and the water stop plug is used to block the circulation of the connecting sleeve. The wastewater recovery structure of the RO reverse osmosis filter according to the seventh aspect of the invention, wherein the mixer further forms a confluence chamber between the micro-hole and the disc body, and the micro-shaped chamber is communicated with the confluence chamber Holes and the guide holes. The waste water recovery structure of the RO reverse osmosis filter according to the eighth aspect of the invention, wherein the displacement rod is provided with an actuating plate adjacent to the water retaining plug, and a plurality of convex portions are formed on the outer periphery of the actuating plate, and A plurality of recesses are formed in the concave portion between the convex portions, and the actuating plate is in contact with the inner wall surface of the connecting sleeve, thereby assisting to limit the displacement direction of the displacement rod, and forming the conduction between the two ends of the connecting sleeve through the concave portion . The waste water recovery structure of the RO reverse osmosis filter according to claim 9, wherein the displacement rod is provided with a water stop between the actuation plate and the water stop plug, and the elasticity of the water stop ring Used to form a stop flow of the connecting sleeve.