CN216303292U

CN216303292U - Water source backflow preventing structure for household water purifier

Info

Publication number: CN216303292U
Application number: CN202122007853.6U
Authority: CN
Inventors: 王兰婷
Original assignee: Shandong Shihan Environmental Protection Engineering Co ltd
Current assignee: Shandong Shihan Environmental Protection Engineering Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-04-15
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a water source backflow preventing structure for a household water purifier, which comprises a water purifier body, wherein a connecting pipe is arranged above the middle part of the water purifier body, a water inlet pipe is arranged at the top end of the connecting pipe, the inner side of the bottom of the water inlet pipe is connected with a fixed plate, a sewage draining pipe is arranged on the right side of the fixed plate, a connecting rod is arranged at the central position of the fixed plate, a connecting box is arranged on the left side of the connecting pipe, a waterproof sealing gasket is connected between the connecting pipe and the connecting box in a sticking manner, a return spring is arranged on the inner side of the connecting box, and a push rod is arranged on the lower right side of a movable block. This structure of preventing flowing backwards in water source for domestic water purifier under the impact effect that water flow process caused, through the setting of flabellum, can make the connecting rod drive the clearance pole and take place to rotate, strikes off the preliminary filterable water impurity on the fixed plate to can in time discharge through letting out dirty pipe, the practicality of device is strong.

Description

Water source backflow preventing structure for household water purifier

Technical Field

The utility model relates to the technical field of household water purifiers, in particular to a water source backflow prevention structure for a household water purifier.

Background

Along with people to the healthy problem of drinking water attach importance gradually, during people's life has been walked into to domestic water purifier, because domestic water purifier can effectively purify the water source, consequently obtained quick popularization, and in order to prevent the water source backward flow, consequently can install additional on the water purifier and prevent the backflow structure, but still there is following problem in the backflow structure of water source for domestic water purifier on the existing market:

1. the existing household water purifier adopts a water source backflow prevention structure, so that the primary filtration of a water source cannot be realized, and the filtered impurities cannot be cleaned in time;

2. the water source backflow preventing structure for the conventional household water purifier has poor backflow preventing effect and can influence the water flow speed.

Aiming at the problems, the novel design is carried out on the basis of the original water source backflow prevention structure for the household water purifier.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water source backflow preventing structure for a household water purifier, and aims to solve the problems that the water source backflow preventing structure for the household water purifier in the prior market, which is provided in the background art, cannot realize primary filtration on a water source, filtered impurities cannot be cleaned in time, the backflow preventing effect is poor, and the water flow speed is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a domestic water purifier is with water source anti-backflow structure, includes the water purifier body, water purifier body middle part top is provided with the connecting pipe, and the top of connecting pipe installs the inlet tube, the bottom inboard of inlet tube is connected with the fixed plate, and the right side of fixed plate installs the blowdown pipe to the central point of fixed plate puts and is provided with the connecting rod, the left side of connecting pipe is provided with the connecting box, and pastes between connecting pipe and the connecting box and be connected with waterproof sealing pad, the inboard of connecting box is provided with reset spring, and reset spring's right-hand member is connected with the movable block, the catch bar is installed to the right side below of movable block, and the other end that catch bar and movable block are connected is provided with the stagnant flow board, the terminal top of stagnant flow board is provided with the locating plate.

Preferably, the inlet tube is of an integrated structure with fixed plate fixed connection, and the inside evenly distributed of fixed plate has hole column structure to the connected mode of fixed plate and connecting rod is the bearing connection.

Preferably, the upper end and the lower end of the connecting rod are respectively provided with a fan blade and a cleaning rod at equal angles, and the cleaning rods are attached to the upper surface of the fixing plate.

Preferably, the connection box is connected with the connecting pipe by bolts, the movable block forms a telescopic structure at the inner side of the connection box, an inclined plane is arranged at the upper right of the movable block, and the inclined plane and the flow stopping plate are arranged in parallel.

Preferably, the push rod is symmetrically arranged around the central axis of the movable block, the push rod is hinged to the movable block and the flow stopping plate, and the movable block and the flow stopping plate form a linkage mechanism through the push rod.

Preferably, the longitudinal section of the positioning plate is of an isosceles trapezoid structure, and the positioning plate is connected with the connecting pipe in a welding manner.

Compared with the prior art, the utility model has the beneficial effects that: the water source backflow preventing structure for the household water purifier,

1. through the arrangement of the connecting rod, the fan blades and the cleaning rod, under the action of an impact effect caused by the flowing process of water, the fan blades are arranged, so that the connecting rod can drive the cleaning rod to rotate, water impurities preliminarily filtered on the fixing plate are scraped, and can be discharged in time through the sewage discharge pipe, and the device is high in practicability;

2. through setting up the movable block, catch bar and stagnant flow board, the impact of rivers can make the pressurized emergence clockwise rotation of stagnant flow board, and move left through the catch bar promotion movable block, make the connecting pipe open completely, avoid influencing the water flow rate, when taking place the refluence, the top that the movable block of bottom level setting can block the water-washed that flows backwards hits the stagnant flow board makes its rotation open, shift the rivers impact force to stagnant flow board bottom, and through the setting of locating plate, fix a position stagnant flow board, the completion is to the sealing of connecting pipe, reach the mesh of preventing flowing backwards.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the overall structure of the cleaning rod of the present invention;

FIG. 4 is a schematic view of the overall structure of the movable block according to the present invention;

fig. 5 is a schematic view of the structure of the stop plate in a rotating state.

In the figure: 1. a water purifier body; 2. a connecting pipe; 3. a water inlet pipe; 4. a fixing plate; 5. a sewage draining pipe; 6. a connecting rod; 7. a fan blade; 8. cleaning the rod; 9. a connection box; 10. a waterproof gasket; 11. a return spring; 12. a movable block; 13. a push rod; 14. a flow stopping plate; 15. and (7) positioning the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 3, the present invention provides a technical solution: a water source backflow preventing structure for a household water purifier comprises a water purifier body 1, in order to preliminarily filter water and conveniently clean impurities, a connecting pipe 2 can be arranged above the middle part of the water purifier body 1, a water inlet pipe 3 is arranged at the top end of the connecting pipe 2, a fixing plate 4 is connected to the inner side of the bottom of the water inlet pipe 3, a sewage draining pipe 5 is arranged at the right side of the fixing plate 4, a connecting rod 6 is arranged at the central position of the fixing plate 4, the water inlet pipe 3 and the fixing plate 4 are fixedly connected to form an integrated structure, hole-shaped structures are uniformly distributed in the fixing plate 4, the fixing plate 4 is connected with the connecting rod 6 through a bearing, a fan blade 7 is arranged at the top end of the connecting rod 6, a cleaning rod 8 is connected to the outer side of one end, close to the fixing plate 4, of the connecting rod 6 is provided with the cleaning rod 8, and the fan blade 7 is arranged to enable the connecting rod 6 to drive the cleaning rod 8 to rotate when water flow impacts, strike off preliminary filterable water impurity on fixed plate 4 to can in time discharge through letting out dirty pipe 5, the practicality of device is strong.

Referring to fig. 1, 2, 4 and 5, in order to improve the anti-backflow performance of the device and avoid affecting the normal flow rate of water, a connection box 9 may be disposed at the left side of the connection pipe 2, a waterproof gasket 10 is adhesively connected between the connection pipe 2 and the connection box 9, a return spring 11 is disposed at the inner side of the connection box 9, a movable block 12 is connected to the right end of the return spring 11, a push rod 13 is mounted at the right lower side of the movable block 12, a stop plate 14 is disposed at the other end of the push rod 13 connected to the movable block 12, the connection box 9 is connected to the connection pipe 2 by a bolt, the movable block 12 forms a telescopic structure at the inner side of the connection box 9, an inclined surface is disposed at the right upper side of the movable block 12, the inclined surface is parallel to the stop plate 14, the push rod 13 is symmetrically disposed at the front and back with respect to the central axis of the movable block 12, and the connection of the push rod 13 to the movable block 12 and the stop plate 14 are hinged, and the movable block 12 forms the linkage mechanism with the stop plate 14 through the catch bar 13, there is locating plate 15 above the end of the stop plate 14, the longitudinal section of the locating plate 15 is isosceles trapezoid structure, and the connecting mode of the locating plate 15 and connecting pipe 2 is welding, the impact of the waterflow can make the stop plate 14 rotate by pressing, and promote the movable block 12 to move to the left through the catch bar 13, make the connecting pipe 2 open completely, avoid influencing the water flow rate, the movable block 12 that the bottom level sets up can transfer the impact force of the waterflow to the bottom of the stop plate 14 at the same time, and through the setting of the locating plate 15, position the stop plate 14, finish the sealing to the connecting pipe 2, achieve the goal of preventing the backflow.

The working principle is as follows: when the water source backflow preventing structure for the household water purifier is used, firstly, an external water delivery pipe is in flange sealing connection with the water inlet pipe 3, impurities in water can be preliminarily filtered through the fixing plate 4 with the hole-shaped structures uniformly distributed in the water before water flows enter the water purifier body 1, and meanwhile, under the impact action caused by the flowing process of the water, the connecting rod 6 can be rotated through the fan blades 7 which are distributed annularly, so that the preliminarily filtered water impurities on the fixing plate 4 can be scraped through the cleaning rod 8 which is arranged at an equal angle, and can be discharged in time through the sewage discharging pipe 5, and the practicability of the device is improved;

when water flows into the water purifier body 1 to perform a purification process, the water flow can impact the bottom of the flow stopping plate 14, and the bottom of the flow stopping plate 14 is pressed and rotates clockwise, in the process, the movable block 12 can be pushed to slide leftwards under the action of the push rod 13, so that the connecting pipe 2 is completely opened, the influence on the water flow speed is avoided, the water supply stability is ensured, when the water backflow occurs, the movable block 12 can reset under the action of the reset spring 11 and pushes the flow stopping plate 14 to reset again in an inclined state through the push rod 13, at the moment, the movable block 12 with the horizontal bottom can block the backflow water, the water flow is prevented from impacting the top end of the flow stopping plate 14 to rotate and open, the water flow impact force can be transferred to the bottom of the flow stopping plate 14, the flow stopping plate 14 is positioned through the arrangement of the positioning plate 15, and the automatic closing of the connecting pipe 2 when the water backflow is completed, the purpose of preventing backflow is achieved, the above is the working process of the whole device, and the content which is not described in detail in the specification belongs to the prior art which is well known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a domestic water purifier is with water source anti-backflow structure, includes water purifier body (1), its characterized in that: a connecting pipe (2) is arranged above the middle part of the water purifier body (1), a water inlet pipe (3) is arranged at the top end of the connecting pipe (2), the inner side of the bottom of the water inlet pipe (3) is connected with a fixed plate (4), the right side of the fixed plate (4) is provided with a sewage discharge pipe (5), a connecting rod (6) is arranged at the central position of the fixed plate (4), a connecting box (9) is arranged at the left side of the connecting pipe (2), a waterproof sealing gasket (10) is connected between the connecting pipe (2) and the connecting box (9) in a sticking way, a return spring (11) is arranged on the inner side of the connecting box (9), the right end of the return spring (11) is connected with a movable block (12), the right lower part of the movable block (12) is provided with a push rod (13), and the other end of the push rod (13) connected with the movable block (12) is provided with a flow stopping plate (14), and a positioning plate (15) is arranged above the tail end of the flow stopping plate (14).

2. The water source backflow preventing structure for the household water purifier as recited in claim 1, wherein: the water inlet pipe (3) and the fixing plate (4) are fixedly connected to form an integrated structure, hole-shaped structures are uniformly distributed in the fixing plate (4), and the fixing plate (4) is connected with the connecting rod (6) through bearings.

3. The water source backflow preventing structure for the household water purifier as recited in claim 2, wherein: the upper end and the lower end of the connecting rod (6) are provided with fan blades (7) and cleaning rods (8) at equal angles respectively, and the cleaning rods (8) are attached to the upper surface of the fixing plate (4).

4. The water source backflow preventing structure for the household water purifier as recited in claim 1, wherein: the connection box (9) is connected with the connecting pipe (2) through bolts, the movable block (12) forms a telescopic structure on the inner side of the connection box (9), an inclined plane is arranged on the upper right side of the movable block (12), and the inclined plane and the flow stopping plate (14) are arranged in parallel.

5. The water source backflow preventing structure for the household water purifier as recited in claim 1, wherein: the push rod (13) is symmetrically arranged in front and back of the central axis of the movable block (12), the push rod (13) is hinged with the movable block (12) and the flow stopping plate (14), and the movable block (12) and the flow stopping plate (14) form a linkage mechanism through the push rod (13).

6. The water source backflow preventing structure for the household water purifier as recited in claim 1, wherein: the longitudinal section of the positioning plate (15) is of an isosceles trapezoid structure, and the positioning plate (15) is connected with the connecting pipe (2) in a welding mode.