CN201225433Y

CN201225433Y - Adjustable water stop filter valve

Info

Publication number: CN201225433Y
Application number: CNU200820102503XU
Authority: CN
Inventors: 王怀协
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-28
Filing date: 2008-05-28
Publication date: 2009-04-22
Anticipated expiration: 2018-05-28

Abstract

An adjustable water-seal filter valve comprises a valve body provided with a water inlet and a water outlet, and a filter net is arranged inside the valve cavity of the valve body. The adjustable water-seal filter valve is characterized in that the port of the valve cavity is provided with a screw cap with a handle, and the screw cap is provided with an axial central through hole. The filter net is arranged between the bottom surface of the valve cavity and the screw cap. The bottom surface of the valve cavity is provided with a central screw hole communicated with the water inlet. The valve cavity is internally provided with an adjustable water-seal valve rod, the lower end of the valve rod is screwed into the central screw hole, and the upper end of the valve rod coordinates inside the central through hole of the screw cap in a sliding seal way. The center of the bottom surface of the valve rod is provided with a water-inlet chamber, and the lower circumference of the valve rod is provided with a water-passing port penetrating the water-inlet chamber. The circumference of the valve rod above the water-passing port of the valve rod is sleeved with an elastic sealing ring, and the elastic sealing ring forms a reliable water-seal structure together with the circumference of the water inlet. The filter valve can adjust the volume of passing water through the valve rod till a water-seal operation, the water-seal structure is simple, reliable and convenient in operation, the filter net is convenient to be demounted and washed, few components are arranged inside the valve cavity, thereby enough water-passing space is guaranteed, the working surface of the filter net is large and the working period of the filter net is prolonged.

Description

Adjustable sealing filter tap

Technical field

The utility model relates to filter tap, the adjustable sealing filter tap of particularly a kind of water amount.

Background technique

The effect of filter tap is the impurity in the filtered fluid, and the filter tap device utilizes impurity in the built-in filter screen convection cell of filter tap etc. to filter in system of flow ducts, carries the accessory on unimpeded and the protection pipeline to avoid wearing and tearing to guarantee conveyance conduit.Sealing filter tap device in filter tap has the sealing spool, has concurrently to filter and the sealing function.

Publication number is that the utility model patent of CN2544785 discloses a kind of filter tap with sealing function, it comprises the valve body with entery and delivery port, in the holding groove of valve body, be provided with the blind nut and the nut that are tightly connected, between blind nut and nut, be provided with filter screen, plunger by spring push is provided with " O " RunddichtringO, and it and the interior shoulder of nut are formed the water sealing structure that coincide.This filter tap has concurrently and filters and the sealing function, and still, its component are many, complex structure, and the mistake water space of valve body holding groove is limited, causes taking place easily filter screen and stops up; Also have, plunger is by spring action work, and its water amount size can't be regulated, and spring is soaked in the impurity containing fluid of filtered the unavoidable proper functioning that influences spring in impurity deposition back for a long time.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of sealing filter tap of simple in structure, water amount adjustable size joint is provided.

The purpose of this utility model is achieved through the following technical solutions:

A kind of adjustable sealing filter tap comprises the valve body with entery and delivery port, is provided with filter screen in the valve pocket of valve body; It is characterized in that: described valve pocket port is installed with the blind nut of band handle, and blind nut has axial central through hole; Described filter screen is located between valve pocket bottom surface and the blind nut; The valve pocket bottom surface is provided with the center screw that is communicated with water intake; Be provided with adjustable sealing valve rod in the valve pocket, this valve rod lower end is threaded in the center screw, the upper end activity pass filter screen after slipper seal be matched with in the blind nut central through bore; The bottom center of valve rod has intake chamber, and its lower end side face is provided with the mouth of a river of crossing that connects intake chamber; Valve rod is crossed on the valve rod side face of mouth of a river top and is had annular groove, is set with elastic seal ring on this annular groove, and elastic seal ring and water intake periphery are formed reliable water sealing structure.

The mouth of a river of crossing of described valve rod lower end is positioned on its thread section.

Described valve rod lower end is equipped with two at interval and crosses the mouth of a river.

Be provided with elastic seal ring between described blind nut central through bore side face and the valve rod, this elastic seal ring is sleeved on the valve rod.

Be provided with elastic seal ring between described valve pocket port side face and the blind nut, this elastic seal ring is sleeved on blind nut outer circumferential face top.

Described valve rod end face is arranged with the turn groove of " one " word or " ten " word, but utilizes screw-driver or special tool by the recessed just turn valve rod of valve rod end face, impels valve rod to move up and down vertically, regulates the water amount of filter tap and operates until sealing.

The utlity model has following beneficial effect:

Above-mentioned adjustable sealing filter tap, the be threaded water amount size of valve rod can regulate filter tap of water intake of turn is operated until sealing, and it is simple in structure, and is easy to operate, needn't close the pipeline main valve and just can very dismantle filter screen easily and clean, water sealing operation is reliable and stable; Component are few in its valve pocket, guarantee to have enough water spaces of crossing, and the filter screen working surface is big, prolongs the operation cycle of filter screen.

Description of drawings

Below in conjunction with accompanying drawing the present invention is described in further detail.

Fig. 1 is a structure sectional view one of the present utility model (closed condition).

Fig. 2 is a structure sectional view two of the present utility model (opening state).

Fig. 3 is a component decomposition map of the present utility model.

Embodiment

With reference to Fig. 1, Fig. 2.A kind of adjustable sealing filter tap, comprise valve body 1 with entery and delivery port A, B, filter screen 2, band handle 4 blind nut 3, sealing valve rod 5, be used for the

elastic seal ring

6,7 of liquid sealing and the elastic seal ring 8 of forming water sealing structure.

Filter screen 2 is placed in the valve pocket 11 of valve body 1, and it is fixing to revolve the blind nut of being located on the valve pocket port 3 by screw thread.The end face of blind nut 3 is provided with integrated handle 4, by handle 4 dismounting turn blind nuts 3, is convenient to disassembly, cleaning filter screen 2; Have on the blind nut 3 along its axial arranged central through bore 31.

Sealing valve rod 5 devices are in valve body valve pocket 11, and the side face of the lower end of this sealing valve rod 5 is provided with and thread section 51, and the valve pocket bottom surface is provided with the center screw 111 that is communicated with water inlet A, and this center screw 111 matches with sealing valve rod 5 lower end thread sections 51.Sealing valve rod 5 lower ends are threaded in the center screw 111, and its upper end activity is passed filter screen 2 back slipper seals and is matched with in the blind nut central through bore 31.Be provided with two elastic seal rings 6 between blind nut central through bore 31 side faces and the sealing valve rod 5, elastic seal ring 6 is sleeved on the sealing valve rod 5, to reach the slipper seal effect.The bottom center of sealing valve rod 5 has intake chamber 52, and its lower end side face is arranged with two mistake mouths of a river 53 that connect intake chamber 52, crosses the mouth of a river 53 and is positioned on the thread section 51.Valve body 1 water inlet A is communicated with water outlet B by the water channel of crossing that intake chamber 52, the mistake mouth of a river 53 by valve rod constitute through valve pocket 11.Have annular groove 54 (see figure 3)s that are used for the above-mentioned elastic seal ring of device 8 on the valve rod side face of sealing valve rod 5 mistake 53 tops, the mouth of a river, annular groove 54 is arranged near thread section 51, on above-mentioned this annular groove 54 of elastic seal ring 8 suits, elastic seal ring 8 and the reliable water sealing structure of 111 week of center screw edge composition.

Above-mentioned elastic seal ring 7 is sleeved in the annular groove on blind nut 1 outer circumferential face top, in case the fluid stopping body leaks outside between valve pocket 11 side faces and blind nut 3.After blind nut 3 screwed, elastic seal ring 7 was pressed on 11 port weeks of valve pocket along last.

For ease of regulating turn sealing valve rod 5, end face at sealing valve rod 5 is arranged with the turn groove 9 of " one " word or " ten " word (" ten " shown in figure word groove), but utilization is stretched into the screw-driver of blind nut central through bore or special tool by just turn sealing valve rod 5 of turn groove 9, impel sealing valve rod 5 to move up and down vertically, regulate the water amount of filter tap and operate until sealing.

Usage mode of the present utility model: with reference to Fig. 1, when needing cleaning and filtering net 2, after utilizing instrument turn sealing valve rod 5 to move down to put in place, elastic seal ring 8 is pressed on 111 weeks of center screw along reliable sealing, be blocked between entery and delivery port A, the B of this moment, filter tap is in closed condition, screws out blind nut 3 and takes out filter screen 2, can carry out the cleaning of filter screen.With reference to Fig. 2, after cleaning finishes, load onto filter screen 2 and screw blind nut 3 again; Utilize on the instrument turn sealing valve rod 5 and move, make elastic seal ring 8 leave center screw 111, and the size of regulated fluid water amount as required, fluid is communicated with water outlet B by the water channel of crossing that intake chamber 52, the mistake mouth of a river 53 by valve rod constitute through valve pocket 11 from valve body 1 water inlet A, and filter tap is in opening state.

The above, it only is preferred embodiment of the present utility model, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims

1. an adjustable sealing filter tap comprises the valve body with entery and delivery port, is provided with filter screen in the valve pocket of valve body; It is characterized in that: described valve pocket port is installed with the blind nut of band handle, and blind nut has axial central through hole; Described filter screen is located between valve pocket bottom surface and the blind nut; The valve pocket bottom surface is provided with the center screw that is communicated with water intake; Be provided with adjustable sealing valve rod in the valve pocket, this valve rod lower end is threaded in the center screw, the upper end activity pass filter screen after slipper seal be matched with in the blind nut central through bore; The bottom center of valve rod has intake chamber, and its lower end side face is provided with the mouth of a river of crossing that connects intake chamber; Valve rod is crossed on the valve rod side face of mouth of a river top and is had annular groove, is set with elastic seal ring on this annular groove, and elastic seal ring and water intake periphery are formed reliable water sealing structure.

2. sealing filter tap according to claim 1 is characterized in that: the mouth of a river of crossing of described valve rod lower end is positioned on its thread section.

3. sealing filter tap according to claim 1 is characterized in that: described valve rod lower end is equipped with two at interval and crosses the mouth of a river.

4. sealing filter tap according to claim 1 is characterized in that: be provided with elastic seal ring between described blind nut central through bore side face and the valve rod, this elastic seal ring is sleeved on the valve rod.

5. sealing filter tap according to claim 1 is characterized in that: be provided with elastic seal ring between described valve pocket port side face and the blind nut, this elastic seal ring is sleeved on blind nut outer circumferential face top.

6. sealing filter tap according to claim 1 is characterized in that: described valve rod end face is arranged with the turn groove of " one " word or " ten " word.