CN2809379Y

CN2809379Y - Water inlet plunger

Info

Publication number: CN2809379Y
Application number: CN 200520004112
Authority: CN
Inventors: 颜志成
Original assignee: YONGHE CO Ltd
Current assignee: YONGHE CO Ltd
Priority date: 2005-02-16
Filing date: 2005-02-16
Publication date: 2006-08-23
Anticipated expiration: 2015-02-16

Abstract

The utility model relates to a water inlet plug, which comprises a body, a water capacity adjusting rod and an elastic element, wherein the inner part of the body is provided with a plunger plug and one end of the plunger is provided with sheathed with a seal ring. The water capacity adjusting rod is in the screw connection with a base body below the plunger, the elastic element is sheathed on a central cylinder of the base body and one end of the elastic element is abutted to the bottom part of the plunger. The water inlet plug with the structure can move from top to bottom through adjusting and screwing the water capacity adjusting rod, and one end of the water quantity adjusting rod forms space with the bottom part of the plunger. When a flushing valve connected with the water inlet plug is opened, water current squeezes the seal ring to lead the plunger to move downward and the space forms an opening which allows water to pass through. When the utility model is not in the flushing state, the plunger piston is supported by the elastic element and the seal ring is abutted to the outer bottom end of a cylindrical hole to stop water from passing through. The antisiphoning phenomenon of pipelines can be prevented, wherein the antisiphoning phenomenon can lead sewage to return to a water source end.

Description

Intake crane

Technical field

The utility model is a kind of valve, refers to especially a kind ofly can stop up water intake automatically, to prevent because of the backsiphonage phenomenon sewage of sanitary ware end being sucked intake crane in the main water supply tube road.

Background technique

Intake crane 10 is to be connected between water source end 11 and the flashing valve 12, as shown in Figure 1; See through the mouth of a river size that its control is opened, water inlet can be controlled at an amount that is suitable for rear end flashing valve 12 demands; And that traditional intake crane also only has is this as the water yield regulatory function as the water tap, and its water regulating valve promptly is in a fixed position after setting.This intake crane that is the Chang Kaishui mouth leads to flashing valve though allow water to be entered by its entry end, and relative also allows water by its mouth of a river reverse reflux of often opening; When the backsiphonage phenomenon being arranged as exporting the pipeline generation vacuum of rear end when flashing valve, can be with the sewage back suction of sanitary ware such as toilet, urinating bucket 13 ends, flashing valve as this moment does not have any non-return measure yet, then sewage will follow intake crane and reflux and to enter in the clean water source, and cause the pollution of other drinking water sources.

The model utility content

Because of intake crane is the inlet control device that whole flushing system is stood in the breach, also be the last control point of sewage backflow; Therefore, the purpose of this utility model is that a kind of intake crane is provided, but it has the water stop ring of elastic movement, can be in response to the keying of the flashing valve of its pipeline rear end, and elasticity is opened its water intake and is flow to the flashing valve of rear end or detent plug by water and live this water outlet and do not allow the sewage that refluxes pass through, to guarantee that the source of clean water in the supply channel can be not contaminated.

According to above-mentioned purpose, a kind of intake crane of the utility model is characterized in that, comprising:

One body, its inner inlet interruption-forming one post hole;

One plunger is to establish in the post hole of aforementioned body;

One water stop ring, its sheathed this plunger is away from an end of body water intake;

One pedestal is to be bolted in the end that aforementioned intake crane body is away from water intake;

One water yield regulating lever is to be bolted in the aforementioned pedestal, and a gap is formed on the bottom of one end and this plunger; And

One elastic element is to be enclosed within on the center column of pedestal, and the one end is resisted against the bottom of this plunger.

Wherein this water yield regulating lever is away from an end of this plunger base.

Wherein the operating end of this water yield regulating lever has groove.

Wherein this pedestal is held in addition with the relative of body engagement, has an opening that passes to this water yield regulating lever operating end.

Wherein this elastic element is a spring.

Wherein also comprise a lid, this lid is screwed together in the opening end of pedestal and is resisted against the end that the intake crane body is away from water intake.

This plunger wherein, it forms a kind of rib of intersection towards an end of water intake.

Wherein the wall in the diagonal ribs of this plunger and post hole forms the water inlet that several separate jointly.

The beneficial effect of the utility model intake crane is: but it has the water stop ring of elastic movement, can be in response to the keying of the flashing valve of its pipeline rear end, and elasticity is opened its water intake and is flow to the flashing valve of rear end or detent plug by water and live this water outlet and do not allow the sewage that refluxes pass through, to guarantee that the source of clean water in the supply channel can be not contaminated.

Description of drawings

For to structure characteristics of the present utility model and effect thereof, further understanding and understanding are arranged, following conjunction with figs. describes in detail at preferred embodiment of the present utility model, wherein:

Fig. 1 is the user mode schematic representation of existing water stop bolt;

Fig. 2 is bolted at the structure front cross sectional view of sealing state for the utility model sealing;

Fig. 3 is bolted at the structure front cross sectional view of bath state for the utility model sealing;

Fig. 4 is the be separated by schematic representation in a gap of the plunger of Fig. 2 and water yield regulating lever;

Fig. 5 is the plunger of the utility model water stop bolt and the marriage relation schematic representation in post hole.

Embodiment

The enforcement structure of preferable intake crane of the present utility model sees also Fig. 2, Fig. 3.The body 20 that comprises an intake crane, its inner inlet mouth 21 forms a post hole 22 and has a plunger 23 in it, a sheathed water stop ring 24 on the end of this plunger 23 away from this water intake 21, the below of this plunger 23 has a water yield regulating lever 25, it is to be bolted in the pedestal 26, and an end has projection 251 the other ends and has the groove 252 that can supply as tool operations such as screwdrivers; This pedestal 26 is to be bolted in the end that intake crane body 20 is away from water intake 21, it is near the sheathed water-ring 261 of an end of water intake 21, another end opposite forms an opening 262, so that the groove 252 places operation that can allow instrument enter to this water yield regulating lever 25 is turned.Another lid 28 is that the opening 262 end upper shields by pedestal 26 are screwed together in the outside thread 263 of pedestal 26 and are resisted against the end that this intake crane body 20 is away from water intake 21; And as an elastic element 27 of spring, the one end is to be enclosed within on the cylinder 264 of pedestal 26, the low bottom that peaks at this plunger 23 of the other end.

Serviceability of the present utility model sees also Fig. 2, shown in Figure 3, this lid 28 of removal, and utilize as instruments such as screwdriver are inserted to clockwise or rotate counterclockwise that it is shifted up or down is moving in groove 252 ends of this water yield regulating lever 25, and make the projection 251 of its other end and the bottom of plunger 23 form a spacing h, as Fig. 4.The flashing valve 12 (please refer to Fig. 1) that connects in the intake crane rear end is not opened when washing by water state, plunger 23 is by the elastic element 27 of below jack-up and be butted on the 22 outer bottoms 221, post hole at plunger 23 movable places by water stop ring 24 envelopes of its nearly bottom upwards, and water can not entered by the water intake 21 of body 20 and flows to water outlet 29 at this moment; Otherwise, when flashing valve 12 is opened, because the water that the variation water stop ring 24 of pressure is flow to by water intake 21 down pushes and drives plunger 23 elastic element 27 that moves down and extrude, moving down when touching the projection 251 on water yield regulating lever 25 tops of plunger 23 stops, its amount of moving down equals the spacing h between the bottom of previous projection 251 and plunger 23, the i.e. spacing of water stop ring 24 end faces and 22 outer bottoms 221, post hole.Therefore, move up and down this water yield regulating lever 25, can adjust between projection 251 and the plunger 23 apart to reach the purpose of control inflow by spiral.Moreover as shown in Figure 2, this is novel when not washing by water, because water outlet 29 pressure of intake crane body 20 inside are greater than the pressure of water intake 21, therefore, plunger 23 can be by the elastic element 27 of below jack-up upwards, and is butted on 22 outer bottoms 221, post hole and the state of maintenance sealing by water stop ring 24 envelopes.So the utility model is not when washing by water, 29 of water intake 21 and water outlets do not circulate, and the backsiphonage phenomenon that can prevent similar pipeline is with the situation of sewage backflow to the water source end.

In this preferred embodiment as above-mentioned plunger 23, its end towards water intake 21 can form a kind of rib 231 of intersection, itself and post hole 22 walls form several inlets that separates 232 jointly, so that the purpose that provides the moisture conductance that water intake 21 is flowed into to go into and reach stationary flow, as Fig. 4.

The above, it only is the best specific embodiment of the utility model, only structure characteristics of the present utility model is not limited thereto, and any personage who is familiar with this technology is institute's variation or modification of reaching of think of easily in the disclosed technology of the utility model, and the claim that is all this case contains.

Claims

1. an intake crane is characterized in that, comprising:

One body, its inner inlet interruption-forming one post hole;

One plunger is to establish in the post hole of aforementioned body;

2, intake crane as claimed in claim 1 is characterized in that, wherein this water yield regulating lever is away from an end of this plunger base.

3, intake crane as claimed in claim 2 is characterized in that, wherein the operating end of this water yield regulating lever has groove.

4, intake crane as claimed in claim 2 is characterized in that, wherein this pedestal is held in addition with the relative of body engagement, has an opening that passes to this water yield regulating lever operating end.

5, intake crane as claimed in claim 1 is characterized in that, wherein this elastic element is a spring.

6, intake crane as claimed in claim 1 is characterized in that, wherein also comprises a lid, and this lid is screwed together in the opening end of pedestal and is resisted against the end that the intake crane body is away from water intake.

7, intake crane as claimed in claim 1 is characterized in that, this plunger wherein, and it forms a kind of rib of intersection towards an end of water intake.

8, intake crane as claimed in claim 7 is characterized in that, wherein the wall in the diagonal ribs of this plunger and post hole forms the water inlet that several separate jointly.