CN211215750U - Water passing device - Google Patents

Abstract

The utility model relates to a water passing device, which comprises a shell and a filtering mechanism, wherein the shell is provided with a water inlet, a water outlet and a water passing channel for communicating the water inlet and the water outlet; the filter mechanism includes: the valve cover component and the filtering component are supported on the shell and are arranged in the water passing channel so as to divide the water passing channel into a water inlet flow channel communicated with the water inlet and a water outlet flow channel communicated with the water outlet; the water passing device also includes a decontamination mechanism, the decontamination mechanism including: a blowdown port; the movable rod part is supported on the valve cover component or the shell, sequentially penetrates through the valve cover component and the filtering component from top to bottom and is arranged on the sewage discharge port in a penetrating mode; the movable rod component can move upwards or downwards under the stress to switch the sewage discharge port between an open state and a closed state. The movable rod part can open the sewage draining port when moving up and down so that the sewage in the water passing channel can be discharged from the sewage draining port along with the water flow.

Description

Water passing device

Technical Field

The invention relates to the technical field of valves, in particular to a water passing device.

Background

The water passing device of the water channel is a common adapter, such as an adapter of a water faucet. The patent application with the publication number CN202937878U discloses a faucet adapter, which discloses a structure of a common adapter, which comprises a water inlet, a water outlet and a water passage communicating the water inlet and the water outlet, wherein a filter element is arranged in the water passage.

The adapter is after using a period, and the inside of adapter can be piled up and has followed filth that drops and the filth that water brought on filtering. When the existing adapter is cleaned, the whole adapter needs to be disassembled by means of a certain tool, or the valve cover is opened, and the internal filter piece is taken out for cleaning, so that the existing adapter is very inconvenient for common users, particularly under the condition of no tool. In view of this, the present application is specifically made.

Disclosure of Invention

The invention provides a water passing device, wherein a dirt removing mechanism is arranged on the water passing device and comprises a movable rod component and a dirt discharging port capable of being switched between a closed state and an opened state, and the movable rod component can open the dirt discharging port when moving up and down so that dirt can be discharged from the dirt discharging port.

In order to solve the technical problem, the invention provides a water filter, which comprises a shell and a filtering mechanism, wherein the shell is provided with a water inlet, a water outlet and a water passing channel communicated with the water inlet and the water outlet; the filter mechanism includes: the filter component is supported on the shell and is arranged in the water passing channel so as to divide the water passing channel into a water inlet channel communicated with the water inlet and a water outlet channel communicated with the water outlet; water can pass through the filtering component from the water inlet through the water inlet flow channel to enter the water outlet flow channel; the water passing device also includes a decontamination mechanism, the decontamination mechanism including: the sewage discharge port is arranged on the lower side of the shell and communicated with the water passing channel; the movable rod part is supported on the valve cover component or the shell, sequentially penetrates through the valve cover component and the filtering component from top to bottom and is arranged on the sewage discharge port in a penetrating mode; the movable rod component can move upwards or downwards under the stress to switch the sewage discharge port between an open state and a closed state.

Preferably, the decontamination mechanism comprises an elastic member, one end of the elastic member in the vertical direction is supported on the movable rod component, and the other end of the elastic member is supported on the shell or the valve cover component; the movable rod part can move upwards or downwards under external force to open the sewage discharge port and compress the elastic piece and can reset when the elastic piece resets to seal the sewage discharge port.

Preferably, the filter member comprises: the first supporting piece can abut against the valve cover component from bottom to top; the second supporting piece is supported on the movable rod part or the first supporting piece; and one end of the filter screen is connected to the first supporting piece, the other end of the filter screen is connected to the second supporting piece, and water in the water inlet flow channel passes through the filter screen to enter the water outlet flow channel.

Preferably, the second supporting members are disposed at intervals on the lower side of the first supporting member, and are configured as a ring structure having a through hole at the center, and the movable rod member passes through the through hole and can move relative to the through hole when being stressed.

Preferably, the second supporting member is fixed to the first supporting member by a plurality of connecting rods extending in the up-down direction, each of the connecting rods is arranged at intervals in the circumferential direction, and a filter screen is interposed between two adjacent connecting rods.

Preferably, the movable lever member comprises: the long rod main body comprises a stress part, a sliding part and a sealing part along the length direction, the stress part is positioned at the upper end of the long rod main body and is positioned in the outer space of the shell, the sliding part is arranged on the valve cover component in a penetrating way and is matched with the valve cover component in a sliding way through a sealing piece, and the sealing part is used for being sleeved on the inner periphery of the sewage discharge port so as to seal the sewage discharge port; and the fixing ring is used for supporting the lower end of the elastic piece, and the inner periphery of the fixing ring is clamped at the outer periphery of the long rod main body and is positioned on the upper side of the second supporting piece.

Preferably, the upper side of the shell is provided with a mounting hole, and the valve cover member is fixed on the mounting hole and closes the mounting hole; the valve cover member includes: the mounting part is used for being fixed on the mounting hole and is provided with a sliding hole through which the sliding part passes; and a pressing part which is arranged at the lower end of the mounting part and extends downwards; the pressing part comprises a plurality of pressing columns arranged at intervals along the circumferential direction and pressing rings connected to the pressing columns so as to be capable of abutting against the first supporting piece; wherein, a water gap is clamped between two adjacent compression columns.

Preferably, a limiting portion capable of supporting the first supporting member from bottom to top is disposed on the inner peripheral wall of the water passing channel.

Preferably, the periphery of the sealing part is sleeved with a soft colloid, and the sealing part presses the inner peripheral wall of the sewage discharge port through the soft colloid to seal the sewage discharge port; the blowdown port contains a guide part, the guide part makes it slide in with the soft colloid of direction by supreme leaning out gradually down the blowdown port.

Preferably, the movable rod member includes a stop ring sleeved on the force-receiving portion, and the movable rod member abuts against the upper end surface of the bonnet member during the elastic return of the elastic member to limit the return stroke of the movable rod member.

By adopting the technical scheme, the invention can obtain the following technical effects:

1. at first, the water installation of this scheme disposes decontamination mechanism, and decontamination mechanism's blowdown opening is seted up at the lower extreme of casing, and the movable rod part can upwards move about in order to open the blowdown opening when the atress (by the user mention the movable rod part), and can move about in order to seal the blowdown opening downwards when the atress to make the filth in the water installation discharge from the blowdown opening under the drive of the rivers in gravity and the water channel.

2. Secondly, the decontamination mechanism of this scheme includes the elastic component, and its upper and lower both ends support respectively on the valve gap component and the movable rod part, and the elastic component utilizes the elastic restoring force of self to exert pressure and make its seal blowdown opening in the movable rod part to reach and make water installation in normal use, the movable rod part can not lead to opening the purpose of blowdown opening because of the effect that receives rivers.

3. Thirdly, the sealing part that is used for sealing the blowdown opening in the stock main part of the movable rod part of this scheme has cup jointed a soft colloid, and the sealing part compresses tightly the blowdown opening through this soft colloid, promptly, utilizes the flexible characteristic of soft colloid deformability to reach the mesh that makes blowdown opening department can not leak.

Drawings

Fig. 1 and fig. 2 are schematic diagrams respectively illustrating different viewing angles of an embodiment of a water overflowing device.

FIG. 3 is a schematic view of a water passing device with a resilient member according to an embodiment.

FIG. 4 depicts a schematic view of a filter member of an embodiment.

FIG. 5 depicts a schematic view of an embodiment of a movable rod member.

FIG. 6 depicts a schematic of a valve cover member of an embodiment.

Fig. 7 to 9 are schematic views showing the fitting structure of the valve cover member, the movable rod member and the filter member according to the embodiment.

FIG. 10 is a schematic view of the water passing device with the waste port in an open position according to one embodiment.

Reference symbols of the drawings

1-shell, 11-water inlet, 12-water outlet, 13-water channel, 131-water inlet channel, 132-water outlet channel, 14-mounting hole, 15-limiting part, 2-filtering mechanism, 21-valve cover component, 211-mounting part, 212-pressing part, 213-pressing column, 214-pressing ring, 215-water passing hole, 216-sliding hole, 22-filtering component, 221-first supporting part, 222-second supporting part, 222A-through hole, 223-connecting rod, 224-water passing port, 225-filter screen, 3-decontamination mechanism, 31-movable rod component, 311-long rod main body, 311A-stress part, 311B-sliding part, 311C-sealing part, 312-fixing ring, 32-sewage passing port, 33-elastic piece, 321-guiding part, 4-soft colloid, 5-spacing ring and 6-stress piece.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "upper end", "lower end", "upper section", "lower section", "upper side", "lower side", "middle", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The structure and function of the solution of the present application will now be described in detail with reference to fig. 1 to 10.

First, it should be understood that in the present disclosure, the up-down direction refers to a direction in which an upper side in the gravity direction is directed to a lower side thereof, the upper-side directed to the lower side includes the direction parallel to the gravity direction, and also includes a direction in which other upper sides forming an angle with the gravity direction are directed to the lower side (i.e., the up-down direction may have an inclination angle).

The present disclosure provides a water passing device, referring to fig. 1 and 2, the water passing device comprises a housing 1 and a filtering mechanism 2, the housing 1 is provided with a water inlet 11, a water outlet 12 and a water passing channel 13 communicating the water inlet 11 and the water outlet 12. The filter mechanism 2 includes a valve cover member 21 and a filter member 22. The cover member 21 is supported on the housing 1 so as to be detachable from the housing 1, and the filter member 22 is supported on the housing 1. It will be appreciated that in other embodiments, the filter member 22 may be supported on the housing 1 by being supported on the valve cover member 21. The filtering member 22 is disposed in the water passage 13 and divides the water passage 13 into a water inlet channel 131 and a water outlet channel 132, wherein the water inlet channel 131 is communicated with the water inlet 11, and the water outlet channel 132 is communicated with the water outlet 12. Water can pass through the filter member 22 from the water inlet 11 through the water inlet flow passage 131 to enter the water outlet flow passage 132.

The water passing device provided by the present disclosure further comprises a decontamination mechanism 3, wherein the decontamination mechanism 3 comprises a sewage through opening 32 and a movable rod part 31. The sewage through port 32 is opened at the lower end of the housing 1 and communicated with the water passing channel 13. Wherein, the drainage port 32 is communicated with the water outlet channel 132. The movable rod 31 is supported on the valve cover member 21, sequentially passes through the valve cover member 21 and the filter member 22 from top to bottom, and has a lower end capable of penetrating through the sewage discharge port 32 to close the sewage discharge port 32. In this embodiment, can upwards move about in order to open blowdown through opening 32 during the atress of movable rod part 31 for pile up the filth in water installation and can discharge from blowdown through opening 32 along with rivers, need pull down its whole technical problem that can reach the filth of clearance water installation with current water installation in order to reach and solve. Meanwhile, the movable rod member 31 is movable downward when being forced to close the drainage through opening 32.

In an embodiment provided by the present disclosure, referring to fig. 3, the decontamination mechanism 3 further includes an elastic member 33, and in the up-down direction, a lower end of the elastic member 33 is supported on the movable rod part 31, and an upper end of the elastic member 33 is supported on the valve cover member 21. When the movable rod part 31 is stressed to move upwards, the elastic piece 33 is compressed and deformed, and when the movable rod part 31 is not subjected to external force, the elastic piece 33 is elastically reset to push the movable rod part 31 to move downwards so as to reset the movable rod part 31, so that the purpose of automatically resetting the movable rod part 31 to close the sewage discharge port 32 again is achieved.

In one embodiment provided by the present disclosure, referring to fig. 4, the filter member 22 includes a first support member 221, a second support member 222 and a filter screen 225. The first support 221 can abut from below to above on the cover member 21 to be supported on the housing 1. The second supporting member 222 is fixedly connected to the first supporting member 221, the upper end of the filter screen 225 is connected to the first supporting member 221, the lower end of the filter screen 225 is connected to the second supporting member 222, and water in the water inlet channel 131 passes through the filter screen 225 to enter the water outlet channel 132, thereby filtering water. Wherein the filter member 22 can be held in position in the housing 1 (i.e., the water passage 13) by being supported on the cover member 21 by the first support 221. In this embodiment, the movable rod part 31 is movable relative to the filter member 22 when forced to move.

It is understood that in other embodiments, the first support 221 can be supported on the movable rod part 31 and can move along with the movable rod part 31. In this case, the filter screen 225 may be a flexible structure so that it does not interfere with the movement of the first support member 221.

In an embodiment provided by the present disclosure, referring to fig. 4, the second supporting members 222 are disposed at intervals on the lower side of the first supporting member 221, and the second supporting members 222 are configured as a ring structure, and a through hole 222A extending along the up-down direction is formed in the center of the second supporting member 222, and the movable rod part 31 passes through the through hole 222A to realize the movement relative to the filtering member 22.

In an embodiment provided by the present disclosure, referring to fig. 4, the second supporting member 222 is fixed on the first supporting member 221 by a plurality of connecting rods 223 extending in the up-down direction, each connecting rod 223 is arranged at intervals along the circumferential direction, a water passing hole 224 is clamped between every two connecting rods 223, the water passing hole 224 is sealed by a filter screen 225, so that the water entering the water outlet channel 132 through the water passing hole 224 must pass through the filter screen 225 for filtration. In the present embodiment, the first supporting member 221, the second supporting member 222 and the connecting rod 223 are integrally formed. In other embodiments, the connecting rod 223 is integrally formed with one of the first support 221 and the second support 222, and detachably fixed to the other of the first support 221 and the second support 222. Alternatively, the connecting rod 223, the first support 221 and the second support 222 may be detachably fixed to each other.

In one embodiment provided by the present disclosure, referring to fig. 5, the movable rod member 31 includes a rod main body 311 and a fixing ring 312, and the rod main body 311 includes a force receiving portion 311A, a sliding portion 311B and a closing portion 311C along a length direction (i.e., an up-down direction) thereof. The force receiving portion 311A is located at the upper end of the long rod body 311 and in the space outside the housing 1, i.e., the force receiving portion 311A passes through the cover member 21 and is located outside the cover member 21. The sliding portion 311B is inserted into the cover member 21, and referring to fig. 6, a slide hole 216 for sliding the sliding portion 311B is opened in the cover member 21. Referring to fig. 7, a seal is disposed on the outer periphery of the sliding portion 311B, and the sliding portion 311B is slidably fitted to the sliding hole 216 via the seal, and the sliding hole 216 is sealed by the seal (i.e., the water passage 13 is closed with respect to the outer space of the housing 1). In this embodiment, the number of the sealing elements is one, and the long rod main body 311 is provided with a sealing groove corresponding to the sealing element for accommodating the sealing element. The sealing portion 311C is used to connect the inner periphery of the waste discharge port 32, so as to seal the waste discharge port 32. Referring to fig. 7, the fixing ring 312 is sleeved on the outer circumference of the rod main body 311, is disposed between the sliding portion 311B and the closing portion 311C, and is located on the upper side of the second support 222, and the lower end of the elastic member 33 is supported on the movable rod part 31 by being supported on the fixing ring 312. The long rod body 311 is provided with a clamping groove for clamping the fixing ring 312. Preferably, the fixing ring 312 is configured as a ring structure and has an opening, and the structure thereof can refer to the structure of the shaft clamp, which will not be described herein.

In an embodiment provided by the present disclosure, referring to fig. 7, a mounting hole 14 is opened on an upper side of the housing 1, and the cover member 21 is fixed on the mounting hole 14 and closes the mounting hole 14. Referring to fig. 6 and 7, the cover member 21 includes a mounting portion 211 and a pressing portion 212, and the shaft center of the mounting portion 211 is opened with the slide hole 216. The pressing portion 212 is disposed at a lower end of the mounting portion 211 and extends downward, and the pressing portion 212 includes a plurality of pressing columns 213 disposed at intervals in a circumferential direction, and a pressing ring 214 connected to each of the pressing columns 213 so as to be capable of abutting against the first support 221. A water gap 215 is interposed between two adjacent pressing columns 213, and the middle of the pressing portion 212 is a through hole to form a part of the water outlet channel 132 in cooperation with the water gap 215. Wherein the outer circumference of the mounting portion 211 of the cover member 21 is fitted with the mounting hole 14 by screw-coupling to be fixed to the housing 1. Preferably, the valve cover member 21 is provided with a seal to sealingly engage the valve cover member 21 with the mounting aperture 14. Wherein the sealing member is located at an upper side or a lower side of the threaded connection.

In one embodiment provided by the present disclosure, the upper end of the first supporting member 221 has an annular groove for receiving at least a portion of the pressing ring 214, that is, the pressing ring 214 can be sleeved on the inner circumference of the annular groove, so that when the valve cover member 21 is engaged with the filter member 22, there is no deflection in the radial direction, or there is no deflection in one of the valve cover member 21 and the filter member 22 caused by a large force.

In an embodiment provided by the present disclosure, the mounting portion 211, the pressing portion 212, and the pressing column 213 are integrally formed. In other embodiments, the pressing column 213 is integrally formed with one of the mounting portion 211 and the pressing portion 212, and detachably fixed to the other of the mounting portion 211 and the pressing portion 212. Alternatively, the mounting portion 211, the pressing portion 212, and the pressing column 213 may be detachably fixed to each other.

In an embodiment provided by the present disclosure, referring to fig. 8, a limiting portion 15 capable of supporting the first supporting member 221 from bottom to top is disposed on an inner peripheral wall of the water passing channel 13. The stopper 15 is engaged with the pressing portion 212 of the cover member 21 to fix the filter member 22 in the water passage 13.

In an embodiment provided by the present disclosure, the periphery of the sealing portion 311C is sleeved with a soft rubber body 4, and the sealing portion 311C compresses the inner peripheral wall of the drainage port 32 through the soft rubber body 4 to seal the drainage port 32, so as to achieve the purpose that the drainage port 32 does not leak water. Preferably, the soft rubber body 4 is a sealing member, such as an O-ring, sleeved on the sealing portion 311C, and a sealing groove for accommodating the sealing member is formed on the outer periphery of the sealing portion 311C. In other embodiments, the soft gel 4 may be a rubber sleeve (which may be a silicone sleeve, a rubber sleeve, etc.) that is sleeved on the lower end portion (i.e., the closing portion 311C) of the long rod main body 311.

In an embodiment provided by the present disclosure, referring to fig. 10, the drainage port 32 has a guiding portion 321, and the guiding portion 321 is gradually inclined outward from bottom to top (i.e. a funnel structure) to guide the soft rubber body 4, so that the soft rubber body 4 smoothly slides into the drainage port 32, thereby solving the technical problem that the soft rubber body 4, which is caused when the outer diameter of the soft rubber body 4 is larger than the drainage port 32, cannot smoothly slide into the drainage port 32.

In an embodiment provided by the present disclosure, referring to fig. 5 and 10, the movable rod 31 includes a limiting ring 5 sleeved on the force-receiving portion 311A, and during the elastic return of the elastic member 33 of the movable rod 31, the limiting ring 5 abuts on the upper end surface of the valve cover member 21 to limit the return stroke of the movable rod 31, that is, to achieve the purpose of limiting the position of the soft colloid 4 relative to the sewage through opening 32.

In an embodiment provided by the present disclosure, referring to fig. 5 and 10, a force receiving member 6 is disposed on the force receiving portion 311A, and the force receiving member 6 facilitates a user to apply a force to drive the movable rod 31 to move.

In an embodiment (not shown) provided by the present disclosure, the elastic member 33 can be supported between the housing 1 and the movable rod 31, for example, a lower end of the elastic member 33 is supported on the housing 1 by being supported on an upper end of the valve cover member 21, an upper end of the elastic member 33 is supported on a fixing ring 312, the fixing ring 312 is sleeved on an outer circumference of the force receiving portion 311A, and at this time, the blow-down through port 32 can be opened by pressing the movable rod 31 downward. At this time, the stopper ring may be disposed on the portion of the closing portion 311C that is exposed outside the housing 1 and that extends out of the waste discharge port 32, and may abut on the port of the waste discharge port 32 to limit the return stroke of the movable rod member 31. At this time, the guiding portion 321 is gradually inclined outward from top to bottom (i.e. the large end of the funnel structure faces downward) to guide the soft rubber body 4.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A water passing device comprises a shell and a filtering mechanism, wherein the shell is provided with a water inlet, a water outlet and a water passing channel communicated with the water inlet and the water outlet; the filter mechanism includes:

a valve cover member supported on the housing in a detachable manner with respect to the housing, an

The filtering component is supported on the shell and is arranged in the water passing channel so as to divide the water passing channel into a water inlet channel communicated with the water inlet and a water outlet channel communicated with the water outlet; water can pass through the filtering component from the water inlet through the water inlet flow channel to enter the water outlet flow channel;

it is characterized in that the water passing device further comprises a decontamination mechanism, and the decontamination mechanism comprises:

the blowdown port is arranged at the lower end of the shell and communicated with the water passing channel; and

the movable rod part is supported on the valve cover component or the shell, sequentially penetrates through the valve cover component and the filtering component from top to bottom and is arranged on the sewage discharge port in a penetrating mode;

the movable rod component can move upwards or downwards under the stress to switch the sewage discharge port between an open state and a closed state.

2. The water passing device according to claim 1, wherein the decontamination mechanism comprises an elastic member, one end of the elastic member in the vertical direction is supported on the movable rod member, and the other end of the elastic member is supported on the shell or the valve cover member; the movable rod part can move upwards or downwards under external force to open the sewage discharge port and compress the elastic piece and can reset when the elastic piece resets to seal the sewage discharge port.

3. The water passing device of claim 2, wherein the filter member comprises:

the first supporting piece can abut against the valve cover component from bottom to top;

the second supporting piece is supported on the movable rod part or the first supporting piece; and

one end of the filter screen is connected to the first supporting piece, the other end of the filter screen is connected to the second supporting piece, and water in the water inlet flow channel penetrates through the filter screen to enter the water outlet flow channel.

4. The water passing device of claim 3, wherein the second supporting member is arranged at intervals at the lower side of the first supporting member and is configured as a ring structure with a through hole at the center, and the movable rod part passes through the through hole and can move relative to the through hole when being stressed.

5. The water passing device of claim 4, wherein the second supporting member is fixed to the first supporting member by a plurality of connecting rods extending in an up-down direction, each connecting rod is arranged at intervals in a circumferential direction, and a filter screen is sandwiched between two adjacent connecting rods.

6. A water passing device according to any one of claims 3 to 5, wherein the movable rod member comprises:

the long rod main body comprises a stress part, a sliding part and a sealing part along the length direction, the stress part is positioned at the upper end of the long rod main body and is positioned in the outer space of the shell, the sliding part is arranged on the valve cover component in a penetrating way and is matched with the valve cover component in a sliding way through a sealing piece, and the sealing part is used for being sleeved on the inner periphery of the sewage discharge port so as to seal the sewage discharge port; and

and the fixing ring is used for supporting the lower end of the elastic piece, and the inner periphery of the fixing ring is clamped at the outer periphery of the long rod main body and is positioned on the upper side of the second supporting piece.

7. The water passing device of claim 6, wherein the upper side of the housing is provided with a mounting hole, and the valve cover member is fixed on the mounting hole and closes the mounting hole; the valve cover member includes:

the mounting part is used for being fixed on the mounting hole and is provided with a sliding hole through which the sliding part passes; and

a pressing part which is arranged at the lower end of the mounting part and extends downwards; the pressing part comprises a plurality of pressing columns arranged at intervals along the circumferential direction and pressing rings connected to the pressing columns so as to be capable of abutting against the first supporting piece;

wherein, a water gap is clamped between two adjacent compression columns.

8. The water passing device of claim 6, wherein a limiting part capable of supporting the first supporting part from bottom to top is arranged on the inner peripheral wall of the water passing channel.

9. The water passing device of claim 6, wherein a soft colloid is sleeved on the periphery of the closing part, and the closing part presses the inner peripheral wall of the sewage discharge port through the soft colloid so as to close the sewage discharge port;

the blowdown port contains a guide part, the guide part makes it slide in with the soft colloid of direction by supreme leaning out gradually down the blowdown port.

10. The water passing device of claim 6, wherein the movable rod member comprises a limiting ring sleeved on the force receiving portion, and the movable rod member abuts against the upper end surface of the valve cover member during the elastic return of the elastic member to limit the return stroke of the movable rod member.

Images