CN207348158U - A kind of counterflow-preventing flushing structure - Google Patents

Abstract

The utility model discloses a kind of counterflow-preventing flushing structure, including inlet channel and outlet conduit, the top of inlet channel is integrally formed mounting base, the fixed head cover in mounting base end, suction nozzle is provided with head cover, the inner cavity of mounting base is integrally formed fixed block set, connecting shaft is installed in fixed block set, installation gap is formed between connecting shaft and fixed block set, one sidepiece of connecting shaft it is fixedly sleeved counterflow-preventing partition plate and inlet seal pad, connecting shaft end side also integrally formed with boss, spring collar and compression spring are also socketed with connecting shaft, inlet seal pads a side end face and is connected on the bottom surface of fixed block set, the top in installation gap is connected with the inner cavity chamber of head cover, its bottom is abut by inlet seal pad, it the advantage is that：Possible contaminated water can be effectively prevented to return to inlet pipeline, pre- bacteriological protection is grown in pipeline, and is taken in the living environment of user, and the security performance of closestool is improved with this, ensures the health of user.

Description

A kind of counterflow-preventing flushing structure

Technical field

The utility model belongs to closestool technical field, and in particular to a kind of counterflow-preventing flushing structure.

Background technology

Flushometer is the important component in closestool, and the bath of closestool is all completed by flushometer, existing For some flushometers in stopping after water, flushometer water inlet pipe can produce negative pressure in the case of anhydrous, by outlet pipe Water suck-back is returned, and causes pipeline to pollute, and bacterium grows in pipeline, and is possible to be brought in the living environment of user, to use The body at family damages.

In view of this, it is special to propose the utility model.

Utility model content

The purpose of this utility model be in order to solve above-mentioned the deficiencies in the prior art and to devise a kind of pollution of pipeline small, from The strong new counterflow-preventing flushing structure of dynamic ability of regulation and control.

To achieve these goals, a kind of counterflow-preventing flushing structure designed by the utility model, including inlet channel and The outlet conduit of inlet channel both sides is connected to, a mounting base is integrally formed at the top of the inlet channel, in the peace The end of seat is filled by the fixed head cover of screw, is provided with the suction nozzle being connected with head cover inner cavity chamber on the head cover, and Sealing collar is fixedly mounted in the port of the mounting base, and a fixed block set, institute are also integrally formed in the inner cavity of the mounting base State and connecting shaft is installed in fixed block set, installation gap is formed between the connecting shaft and fixed block set, in the connecting shaft one Then counterflow-preventing partition plate and inlet seal pad, the inlet seal pad are located at the top of counterflow-preventing partition plate, and two to sidepiece fixing sleeve Person, which is bonded, to be set, and the counterflow-preventing partition plate and inlet seal pad are respectively positioned on the lower section of fixed block set, in the another of the connecting shaft Side end also integrally formed with boss, is also socketed with spring collar and compression spring, the spring collar in the connecting shaft Boss is abut, the compression spring is under elongation state, and one end is connected at spring collar, and the other end is connected to fixed block set On, the connecting shaft is moved up together with the counterflow-preventing partition plate and inlet seal pad being arranged in connecting shaft by compression spring band trend Dynamic, inlet seal pads a side end face and is connected on the bottom surface of fixed block set, the top in the installation gap and the inner cavity chamber of head cover It is connected, its bottom is abut by inlet seal pad, and the madial wall of the mounting base and the bottom of fixed block set surround one jointly A active chamber, the connecting shaft can be in active chambers together with the counterflow-preventing partition plate and inlet seal pad being arranged in connecting shaft Interior movement, and the active chamber is connected with inlet channel.

Further, it is corresponding by the fixed erecting bed of screw in the upper port of each outlet conduit, in each peace Solenoid valve is installed with dress platform, in the corresponding filler block being installed with by solenoid-driven in the bottom of each solenoid valve Block, each sealing chock are moveably arranged on the top of corresponding outlet conduit.

Further, the integrally formed water inlet pipe in the both sides of the water inlet pipe, is both provided with each water inlet pipe Buckle, is formed with the convex block of clamping corresponding with above-mentioned buckle, each equal screw thread rotation of outlet conduit on each outlet conduit It is connected on corresponding water inlet pipe, and snapping is fixed by the buckle on the convex block and water inlet pipe on outlet conduit.

A kind of counterflow-preventing flushing structure that the utility model obtains, the advantage is that：Can effectively prevent may be contaminated Water returns to inlet pipeline, and pre- bacteriological protection is grown in pipeline, and is taken in the living environment of user, and the peace of closestool is improved with this Full performance, ensures the health of user.

Brief description of the drawings

Fig. 1 is counterflow-preventing flushing structure schematic diagram in embodiment 1；

Fig. 2 is counterflow-preventing flushing structure sectional view in embodiment 1；

Fig. 3 is partial enlarged view at A in Fig. 2；

Fig. 4 is partial enlarged view at B in Fig. 1；

In figure：Inlet channel 1, outlet conduit 2, mounting base 3, head cover 4, suction nozzle 5, sealing collar 6, fixed block set 7, connection Axis 8, counterflow-preventing partition plate 9, inlet seal pad 10, boss 11, spring collar 12, compression spring 13, active chamber 14, erecting bed 15th, solenoid valve 16, sealing chock 17, water inlet pipe 18, buckle 19, convex block 20, installation gap 21.

Embodiment

The utility model is further illustrated with reference to the accompanying drawings and examples.

Embodiment 1：

As shown in Figs 1-4, a kind of counterflow-preventing flushing structure designed by the utility model, including inlet channel 1 and connection Outlet conduit 2 in 1 both sides of inlet channel, is integrally formed a mounting base 3, in the peace at the top of the inlet channel 1 The end of seat 3 is filled by the fixed head cover 4 of screw, the suction nozzle 5 being connected with 4 inner cavity chamber of head cover is provided with the head cover 4, And sealing collar 6 is fixedly mounted in the port of the mounting base 3, also it is integrally formed a fixation in the inner cavity of the mounting base 3 Block set 7, connecting shaft 8 is provided with the fixed block set 7, installation gap 21 is formed between the connecting shaft 8 and fixed block set 7, 8 one sidepiece of connecting shaft it is fixedly sleeved counterflow-preventing partition plate 9 and inlet seal pad 10, the inlet seal pad 10 is positioned at anti- The top of adverse current partition plate 9, and both fittings are set, the counterflow-preventing partition plate 9 and inlet seal pad 10 are respectively positioned on fixed block set 7 Lower section, the connecting shaft 8 end side also integrally formed with boss 11, be also socketed with spring in the connecting shaft 8 Collar 12 and compression spring 13, the spring collar 12 abut boss 11, and the compression spring 13 is under elongation state, one end It is connected at spring collar 12, the other end is connected in fixed block set 7, and the connecting shaft 8 is anti-in connecting shaft 8 together with being arranged on Adverse current partition plate 9 and inlet seal pad 10 drive by compression spring 13 to move up, and 10 1 side end face of inlet seal pad is connected to On the bottom surface of fixed block set 7, the top in the installation gap 21 is connected with the inner cavity chamber of head cover 4, its bottom is by inlet seal Pad 10 abuts, and the madial wall of the mounting base 3 and the bottom of fixed block set 7 surround an active chamber 14, the company jointly Spindle 8 can be moved together with the counterflow-preventing partition plate 9 and inlet seal pad 10 being arranged in connecting shaft 8 in active chamber 14, and The active chamber 14 is connected with inlet channel 1.

In the present embodiment, the upper port of each outlet conduit 2 is corresponding by the fixed erecting bed 15 of screw, every Solenoid valve 16 is installed with a erecting bed 15, correspondence is installed with by solenoid valve 16 in the bottom of each solenoid valve 16 The sealing chock 17 of driving, each sealing chock 17 are moveably arranged on the top of corresponding outlet conduit 2.

In the present embodiment, the integrally formed water inlet pipe 18 in the both sides of the water inlet pipe 1, on each water inlet pipe 18 Buckle 19 is both provided with, the convex block 20 of clamping corresponding with above-mentioned buckle 19 is formed with each outlet conduit 2, is each gone out 2 equal screw thread of waterpipe is screwed on corresponding water inlet pipe 18, and by the convex block 20 on outlet conduit 2 and water inlet pipe 18 Buckle 19 fix snapping.

Operation principle：One end of inlet channel 1 is connected with outer water tube, and current are defeated from top to bottom from 1 port of inlet channel Send, under the continual supply of current, the water in inlet channel 1 is directed into outlet conduit 2 by both sides water inlet pipe 18, with This synchronization, the solenoid valve 16 being arranged on outlet pipe 2 works, and sealing chock 17 is lifted up, and opens the one of outlet conduit 2 Side ports, make current flow into outlet conduit 2 from water inlet pipe 18 by the effect of hydraulic pressure, when external water source stops to inlet channel After 2 continue water supply, negative pressure can be produced in inlet channel 2, counterflow-preventing partition plate 9 is inhaled downwards, counterflow-preventing partition plate 9 and inlet seal pad 10 synchronously to bottom offset so that 4 inner cavity chamber of head cover is connected by installing gap 21 with active chamber 14, and outside air is by pushing up Suction nozzle 5 at lid 4 enters the inner cavity chamber of head cover 4, and the installation gap 21 through fixed block set 7 and connecting shaft 8 is inputted to work In dynamic chamber 14, since active chamber 14 is connected with inlet channel 1, the air in active chamber 14 is transported to inlet channel In 1, negative pressure in inlet channel 1 is thus eliminated, solves the adverse current situation produced by negative pressure, counterflow-preventing partition plate 9 after air pressure balance Automatically reset, pipeline is become confined space again, be allowed to work normally.

Claims (3)

1. a kind of counterflow-preventing flushing structure, including inlet channel（1）Be connected to inlet channel（1）The outlet conduit of both sides（2）, It is characterized in that：In the inlet channel（1）Top be integrally formed a mounting base（3）, in the mounting base（3）End By the fixed head cover of screw（4）, in the head cover（4）On be provided with and head cover（4）The suction nozzle that inner cavity chamber is connected（5）, and In the mounting base（3）Port sealing collar is fixedly mounted（6）, in the mounting base（3）Inner cavity it is one also integrally formed Fixed block set（7）, the fixed block set（7）Connecting shaft is inside installed（8）, the connecting shaft（8）With fixed block set（7）Between shape Into installation gap（21）, in the connecting shaft（8）One sidepiece it is fixedly sleeved counterflow-preventing partition plate（9）With inlet seal pad（10）, The inlet seal pad（10）Positioned at counterflow-preventing partition plate（9）Top, and both fitting set, the counterflow-preventing partition plate（9）With Inlet seal pad（10）It is respectively positioned on fixed block set（7）Lower section, in the connecting shaft（8）End side also integrally formed with Boss（11）, in the connecting shaft（8）On be also socketed with spring collar（12）With compression spring（13）, the spring collar（12） Abut boss（11）, the compression spring（13）Under elongation state, one end is connected to spring collar（12）Place, the other end connect It is connected on fixed block set（7）On, the connecting shaft（8）Together with being arranged on connecting shaft（8）On counterflow-preventing partition plate（9）And inlet seal Pad（10）By compression spring（13）Drive moves up, inlet seal pad（10）One side end face is connected to fixed block set（7）'s On bottom surface, the installation gap（21）Top and head cover（4）Inner cavity chamber be connected, its bottom is by inlet seal pad（10）Support Connect and encapsulate, the mounting base（3）Madial wall and fixed block set（7）Bottom surround an active chamber jointly（14）, institute State connecting shaft（8）Together with being arranged on connecting shaft（8）On counterflow-preventing partition plate（9）With inlet seal pad（10）Can be in active chamber （14）Interior movement, and the active chamber（14）With inlet channel（1）It is connected.

A kind of 2. counterflow-preventing flushing structure according to claim 1, it is characterised in that：Each outlet conduit（2）Upper end Mouth is corresponding to pass through the fixed erecting bed of screw（15）, in each erecting bed（15）On be installed with solenoid valve（16）, In each solenoid valve（16）Bottom correspondence be installed with by solenoid valve（16）The sealing chock of driving（17）, each filler block Block（17）Moveably it is arranged on corresponding outlet conduit（2）Top.

A kind of 3. counterflow-preventing flushing structure according to claim 1, it is characterised in that：The inlet channel（1）Both sides Integrally formed water inlet pipe（18）, in each water inlet pipe（18）On be both provided with buckle（19）, in each outlet conduit（2） On be formed with and above-mentioned buckle（19）The convex block of corresponding clamping（20）, each outlet conduit（2）Equal screw thread is screwed in correspondence Water inlet pipe（18）On, and pass through outlet conduit（2）On convex block（20）With water inlet pipe（18）On buckle（19）It is fixed Snapping.