CN2307158Y

CN2307158Y - Water stop valve

Info

Publication number: CN2307158Y
Application number: CN 97219017
Authority: CN
Inventors: 李彦毅
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-06-24
Filing date: 1997-06-24
Publication date: 1999-02-10
Anticipated expiration: 2007-06-24

Abstract

The utility model relates to a water stop valve which comprises a plunger piston and a positioning device, wherein the plunger piston is arranged in a drainage pipe and can be moved linearly; the positioning device is arranged below the plunger piston and comprises a main body, a telescopic rod and a clamping component. The telescopic rod is sheathed in the main body. When the telescopic rod extends and contracts, the plunger piston is driven to move along a central shaft line of the drainage pipe. The plunger piston is moved to the position of the drainage pipe with an opening which forms an open state and the position that closes the opening of the drainage pipe. The clamping component is arranged in the main body, and the telescopic rod is contracted into the main body and is clamped. The telescopic rod is slightly depressed, and the telescopic rod is released by the clamping component so as to revert to an extending state. The plunger piston can be directly pressed by a user so that the plunger piston is in a closed or open position. Thus, the purpose of controlling the drainage pipe to form a clogging or open state is achieved.

Description

The sealing valve

The utility model belongs to engineering element, relates in particular to a kind of sealing valve.

Sanitary equipment such as tradition washbowl and bathtub, a stopper normally is set on the drain opening of waste pipe, and stopper is connected on washbowl or the bathtub with a chain, in case losing, detent plug drops, when washbowl or bathtub need be filled with water, with the opening of stopper plug at waste pipe, stop water from waste pipe, to be revealed, in the time of need discharging water, stopper is pulled up, water in washbowl or the bathtub is discharged from waste pipe, this stopper volume is little, have only a little short column can supply fingerhold on the stopper, the period of the day from 11 p.m. to 1 a.m of drawing the cork, slip out of the hand easily, make the stopper loss of dropping, the common on the market sanitary equipment that has is provided with a sealing valve in waste pipe at present, this sealing valve is provided with a plunger, be arranged on the position of waste pipe inside near opening, and can move up and down, and with the opening opening and closing of fault of waste pipe, this sealing valve also is provided with a connection rod set that is used to control plunger, the extension of one end is projected into washbowl or bathtub top platform top, the user can or depress the connection rod set pull-up, and the other end is connected the plunger below, and connection rod set utilizes lever principle to operate, after it stretches out washbowl or bathtub end face one end and is pressed by the user, can drive whole connection rod set with the plunger jack-up that makes progress, make the waste pipe opening become open state, as user during the connection rod set pull-up with water supply and sewage, can drive plunger moves down, the opening of waste pipe is blocked by plunger, stop water to be discharged from waste pipe, the shortcoming of this sealing valve is, mobilizable element is many in the connection rod set, break down easily, and, coat a shading member in the outside of connection rod set usually for attractive in appearance, though avoid connection rod set to be exposed to the outside like this, bring a lot of troubles to maintenance.

The purpose of this utility model is to provide a kind of sealing valve, makes it simple in structure, thereby can reduce rate of fault, and is easy to operate when using simultaneously, satisfactory for result.

The utility model adopts following technological scheme:

Sealing valve of the present utility model, comprise plunger, plunger is arranged on waste pipe opening end inside, it is provided with one can be with the seal washer of waste pipe closure of openings, and can move along the central axis of waste pipe, it also includes a positioning device, this positioning device is arranged on the plunger below, it comprises a body, a flexible rod that slidably is set in this body interior, one is arranged on spring between body and the flexible rod and one and stretches out the blocking member of body length in order to the location flexible rod, described blocking member, comprise a cam member and a positioning rod, it is separately fixed on body and the flexible rod, the body of described positioning device can be arranged on the bottom of plunger, flexible rod extends downwards, waste pipe inside in the flexible rod lower position be provided with one for the flexible rod bottom against stop dog component, and positioning device is fixed on the position of the inner certain height of waste pipe; The body of described positioning device can also be fixed on the position of the inner certain height of waste pipe, and flexible rod extends upward, and is resisted against the plunger bottom.

The plunger of the utility model sealing valve can be positioned at a closing position by positioning device, and the opening of waste pipe is blocked, or be positioned at a higher open position, make the waste pipe opening become open state, water can be discharged from the opening of waste pipe, when the user need block the drain, can be directly with plunger 1 past pressing down by arriving closing position, this positioning device just can be fixed on plunger on the closing position automatically, when the user need discharge water, also only need plunger is slightly down pressed, make positioning device that plunger is back into the open position, use operation quite convenient, the part of the utility model structure is few, and positioning device is an enclosed construction, be difficult for during use breaking down,, only need plunger is smoked from the opening of waste pipe together with positioning device even if produce fault, change one group of plunger and positioning device and get final product, make maintenance work simple.

Specifically narrate embodiment below in conjunction with accompanying drawing:

Fig. 1 is a stereochemical structure decomposing schematic representation of the present utility model

Fig. 2 is the stereochemical structure cross-sectional schematic of the utility model positioning device

Fig. 3 is a composite structure generalized section of the present utility model

Fig. 4, Fig. 5 are become the action schematic representation of closed state by open state for the utility model sealing valve

Generalized section when Fig. 6 is the utility model sealing valve closure state

It is the action schematic representation of open state that Fig. 7, Fig. 8 are replied by closed state for the utility model sealing valve

Fig. 9 is the another kind of embodiment's of the utility model a composite structure generalized section

Figure 10 is the generalized section of the 10-10 face of Fig. 9

Consult shown in each figure, the utility model sealing valve, comprise plunger 10, plunger is arranged on the inside of waste pipe 20 openings 21 ends, it also includes a positioning device 30, this positioning device is arranged on plunger 10 belows, and be arranged on the inside of waste pipe 20 with plunger 10, positioning device 30 comprises a body 31, a flexible rod 32 that slidably is set in these body 31 inside, one is arranged on spring 33 between body 31 and the flexible rod 32 and one and stretches out the blocking member 40 of body length in order to the location flexible rod, plunger 10 can be positioned at a closing position by positioning device 30, and the opening of waste pipe 20 is blocked, or be positioned at a higher open position, make waste pipe 20 openings 21 become open state, water can be discharged from the opening 21 of waste pipe, simultaneously, this waste pipe 20 is at positioning device 30 lower positions, a stop dog component 22 is set, be used for backstop positioning device 30, the upper end of plunger 10 is provided with the sealing gasket 11 of a rubber system, be provided with an outward extending flange 12 around the sealing pad 11, this flange 12 can with the madial wall driving fit of the opening 21 of waste pipe 20, make the opening of waste pipe 20 be reached the purpose that stops water to be discharged by these flange 12 sealings from waste pipe 20.

Use principle of the present utility model is, plunger 10 can be positioned at respectively on open or the closing position by positioning device 30, the user need block the drain 20 the time, can be directly with plunger 10 past pressing down by arriving closing position, positioning device 30 just can be fixed on plunger 10 on the closing position automatically, when the user need discharge water, also only need plunger is slightly down pressed, make positioning device 30 that plunger 10 is back into the open position, flexible rod 32 can be along the y direction linear telescopic of body 31, its bottom is resisted against the top of stop dog component 22, can arrive first location (shown in Figure 5) during flexible rod 32 elongations, during its retraction body 31 inside, can arrive second location (shown in Figure 4), when this flexible rod 32 is positioned at first location, can promote plunger 10 and arrive the open position, when flexible rod 32 arrives second location, can drive plunger 10 and arrive closing position, waste pipe 20 is got clogged, the effect of blocking member 40 is in the positioning device 30, when flexible rod 32 is pressed into second location, flexible rod 32 can be positioned on second location, and flexible rod 32 was positioned at for second when location, if depressed once more, just flexible rod 32 can be discharged, flexible rod 32 be ejected by spring 33 be returned to first location.

Positioning device 30 is provided with in the waste pipe 20, can combine with plunger 10, for preventing that its body 31 inner members from damaging because of being subjected to rain erosion, body 31 adopts integrated structure, make the top of body 31 not have the slit fully, and a seal ring 37 is set between opening below the body 31 and flexible rod 32, perhaps the slit coating butter of between enters in the accommodating chamber 311 of body 31 inside to stop moisture.

As shown in Figure 2, described blocking member 40 comprises, a positioning rod 41 and a cam member 42 that is arranged on the flexible rod 32 made from spring, positioning rod 41 has suitable elasticity, the one end is fixed on the position that body 31 is positioned at flexible rod 32 tops, the other end is bent into the vertical terminal part 43 of a summary and positioning rod 41, and snap in the cam member 42, cam member 42 comprises

guide slot

44,45,46,47, guide slot 44 is by extending to the outside of flexible rod 32 belows near flexible rod 32 top middle positions, its end is connected with the starting point of guide slot 45, guide slot 45 makes progress and a bit of distance that extends internally, arrival near flexible rod 32 middle positions after, link together with guide slot 46 again, guide slot 46 extends downwardly into the position that reaches near flexible rod 32 outsides once more, its end links together with guide slot 47 starting points again, guide slot 47 extends from lower to upper, and end is connected guide slot 44 starting points, make

guide slot

44,45,46,47 are arranged as the path of an arrowhead form, the terminal part 43 of positioning rod 41 can snap in

guide slot

44,45,46, in 47, because positioning rod 41 has elastic force, so can make terminal part 43 keep in touch bottom by its crooked elastic force in several guide slots, the height of guide slot 44 ends is higher than the height of the starting point of guide slot 45, after the terminal part 43 of positioning rod 41 moves to the end of guide slot 44, terminal part 43 is subjected to the elastic force effect of positioning rod 41, drop and snap in the guide slot 45, make terminal part 43 be subjected to guide slot 45 guiding, slide along guide slot 45, the starting point joint of the end of guide slot 45 and guide slot 46, and guide slot 46 has a height difference equally with guide slot 47 joints, after so terminal part 43 moves to guide slot 45 and guide slot 46 ends, just can slip into guide slot 46 and guide slot 47, because the end of guide slot 47 is connected with the starting point of guide slot 44, and its height is a little more than the height of guide slot 44 starting points, institute is so that after terminal part 43 moves to guide slot 47 ends, snap in the starting point of guide slot 44 again.

As shown in Figure 3, when plunger is positioned at aforesaid open position, the flexible rod 32 of positioning device 30 stretches out body 31 fully, and the terminal part 43 of positioning rod 41 is fastened on the topmost position of guide slot 44, in the time of user's depression of plunger 10 (as shown in Figure 4), can force body 31 to move down, therefore positioning rod 41 terminal parts 43 that are fixed on the body 31 are moved to the below of guide slot 44, behind the bottom of terminal part 43 arrival guide slots 44 (shown in Figure 5), just can snap in the guide slot 45, if this moment, the user let go, body 31 promoted by spring 33 and on move, at this moment terminal part 43 can only slide along guide slot 45, so can move along guide slot 45, and rest on the corner (shown in Figure 6) that guide slot 45 is connected with guide slot 46, at this moment plunger 10 is fixed on closing position, the opening 21 of waste pipe 20 is blocked by plunger 10, when the user presses lower plunger 10 once more (shown in Figure 7), body 31 can be pressed downward, the vertical component effect 42 of positioning rod 41 is moved along guide slot 46, after terminal part 43 moves to the terminal of guide slot 46 and snaps in guide slot 47 (shown in Figure 8), the user needs only one and lets go, plunger 10 and body 31 can be promoted by spring 33 and move up, come back to aforesaid open position, make waste pipe 20 become open state, by positioning device 30, can make the user block waste pipe 20 according to needs, so that in sanitary equipment, be filled with water, when the user need emit the water in the sanitary equipment, only need to pressing down plunger 10, make plunger 10 device 30 jack-up that are positioned, reach the purpose of draining, it is quite convenient to use.

The part of the utility model structure is few, and positioning device is an enclosed construction, be difficult for during use breaking down, even if generation fault, only need plunger 10 is smoked from the opening 21 of waste pipe 20 together with positioning device 30, changing one group of plunger and positioning device gets final product, make maintenance work simple, in addition, blocking member 40 in the positioning device 30 is not limited only to above-mentioned a kind of structural type, every structure that can reach the foregoing description same action mode all can be applicable on the positioning device 30 of the present utility model.

Consult Fig. 9, shown in Figure 10, positioning device 50 of the present utility model can adopt the mode of separating with plunger 10, and be fixed on the specific height in waste pipe 20 inside, be positioned on the position of aforementioned opening or sealing with the control plunger, this positioning device 50 comprises body 51 and flexible rod 52, body 51 is fixed on the inside of waste pipe 20, and move vertically by flexible rod 52, and then promote aforesaid plunger 10 and arrive different positions and locate, the dual-side of body 51 wing plate 53 that stretches out respectively, the spacing of two wing plate 53 outboard ends and the internal diameter of waste pipe 20 cooperatively interact, can be fastened in waste pipe 20 internal diameters, waste pipe 20 dwindles slightly at the diameter of wing plate 53 lower edge madial walls 23 simultaneously, promptly be slightly less than wing plate 53 two ends diameters, two blocks of wing plates 53 can be fastened on the waste pipe 20 madial walls 23 apical margin end differences 24, thereby be fixed on a specific height, these positioning device 50 flexible rods 52 can move vertically at the opening direction of waste pipe 20, and its end is resisted against the bottom of plunger, plunger 10 can be positioned on aforesaid opening or the closing position, the inside of body 51 also is provided with a blocking member, is used to locate the extrusion of flexible rod 52.

In sum, water stop valve structure simplicity of design of the present utility model, reasonable, science, easy for operation, be difficult for producing fault, be convenient to maintenance, overcome the defective of traditional product, reach design purpose.

Claims

1, a kind of sealing valve, comprise plunger, plunger is arranged on the inside of waste pipe opening end, it is provided with one can be with the seal washer of waste pipe closure of openings, and can move along the waste pipe central axis, it is characterized in that, it also includes a positioning device, this positioning device is arranged on plunger below, and it comprises that a body, one slidably are set in the flexible rod of this body interior, one and are arranged on spring between body and the flexible rod and one and stretch out the blocking member of body length in order to the location flexible rod.

2, sealing valve according to claim 1 is characterized in that described blocking member, comprises a cam member and a positioning rod, and it is separately fixed on body and the flexible rod.

3, sealing valve according to claim 1, it is characterized in that the body of described positioning device is arranged on the bottom of plunger, flexible rod extends downwards, waste pipe inside in the flexible rod lower position be provided with one for the flexible rod bottom against stop dog component, positioning device is fixed on the position of the inner certain height of waste pipe.

4, sealing valve according to claim 1 is characterized in that the body of described positioning device is fixed on the position of the inner certain height of waste pipe, and flexible rod extends upward, and is resisted against the plunger bottom.