CN209370581U - Gas source conveyance conduit ball valve valve position switch indicator - Google Patents

Abstract

The utility model discloses a kind of gas source conveyance conduit ball valve valve position switch indicators, including turntable and cover；Turntable is coaxially fixedly linked with valve stem top；Cover covers turntable, it is characterized in that: cover cylindrical surface is equipped with the symmetrical transparent windows in two sides exposed for turntable, in addition two sides is opaque；It further include covering and indicator；The bottom of covering has one piece of cover plate, cover plate covers aperture and is fixed on cover, a vertical and sleeve up and down is fixedly installed at the upper surface face disk axes position of cover plate, a viewing cylinder with a closed top is fixedly installed at the top of sleeve, viewing cylinder is in a circumferential direction at transparent viewing close to the position of ball valve handle；Indicator includes a vertically arranged shaft, and the lower end of shaft is coaxially fixedly linked with turntable, and shaft runs through sleeve, and the upper end of the shaft is located at viewing and uses cylinder peripheral side with cue mark with an instruction cylinder, instruction in cylinder and is coaxially fixed with.

Description

Gas source conveyance conduit ball valve valve position switch indicator

Technical field

The utility model belongs to source conveyance conduit ball valve field, and in particular to a kind of gas source conveyance conduit ball valve valve position switch Indicator.

Background technique

A large amount of manual ball valve is installed to carry out cut-offfing control on the interior conduit of fuel gas transmission station, these manual ball valve sizes compared with (about 1.2 meters of highest point) greatly.In order to preferably show switch state in manual ball valve, in the fixed peace of the top position of manual ball valve Equipped with a valve position switch indicator.

Existing valve position switch indicator includes instruction turntable and cover, wherein instruction turntable and manual ball valve The top of valve rod (for driving ball valve interior spheroid to rotate) is coaxially fixedly linked, and indicates with the upper surface of turntable there is instruction to use Label (for example, in the spaced "ON" "Off" printed words of circumferencial direction)；The cover covers the instruction turntable and whole Body is fixed on valve body outside top position, and the medium position of the cover top surface offers the window exposed for instruction turntable Mouthful, and covering is provided with one piece of transparent organic glass at the window.

But above-mentioned valve position switch indicator still has following shortcoming:

1, above-mentioned organic glass can be easy occur breakage because of aging in use for some time, cause aqueous vapor that can enter to Water mist is formed inside cover, water mist can reduce the transparency of organic glass, and operator is hindered to check instruction turntable.It is same with this When, the water mist into cover can also cause the metals such as valve rod position to be corroded, and influence the reliability of valve body.

2, the size of manual ball valve entirety is larger, and on manual ball valve rotation valve rod (circular ring shape) handle it is also larger, And the handle is located at the lateral position of the length direction of entire valve body.Operator's body in rotational handle is located at entire valve body Lateral position, therefore the window on valve position switch indicator can not be viewed；Only stop operating handle, and human head is stretched When position right above to the window of valve position switch indicator, window can be seen, but thus will affect the switch of ball valve Speed.From the foregoing, it will be observed that existing valve position switch indicator has the shortcoming of " being not easy to check ".

3, in addition, notification number is the patent of CN206846073U in the prior art, disclose that " a kind of valve positioner is shown Device and display connection structure ", but its technical solution includes the electronic components such as electronic touch screen, circuit control panel.Its technology Deficiency existing for scheme is " higher cost, and can not using under open-air atmosphere for a long time ".

Based on this, applicant considers to design a kind of simple and reliable for structure, and cost is relatively low, convenient for the gas source conveyance conduit checked Ball valve valve position switch indicator.

Summary of the invention

In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to provide a kind of knot Structure is simple and reliable, and cost is relatively low, convenient for the gas source conveyance conduit ball valve valve position switch indicator checked.

In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:

Gas source conveyance conduit ball valve valve position switch indicator, including turntable and cover；The valve rod top of the turntable and ball valve Portion is coaxially fixedly linked；The cover covers the turntable and is integrally attached to the valve body outside top position of ball valve, the cover Body top surface offers the aperture exposed for turntable；It is characterized by also including coverings and indicator；

The bottom of the covering has one piece of cover plate, and the cover plate covers the aperture and is fixed on the cover On body, a vertical and set up and down is fixedly installed at disk axes position described in the upper surface face of the cover plate Tin, it is fixedly installed a viewing cylinder with a closed top at the top of the sleeve, the viewing cylinder is in circumferencial direction It is equipped at least one transparent viewing；

The indicator includes a vertically arranged shaft, the lower end of the shaft and the coaxial stationary phase of the turntable Even, the shaft runs through the sleeve, and the upper end of the shaft is located at the viewing in cylinder and being coaxially fixed with a finger Show and use cylinder, the instruction has cue mark with cylinder peripheral side.

Compared with the existing technology compared with the utility model gas source conveyance conduit ball valve valve position switch indicator has the advantage that It is:

1, simple and reliable for structure, it is transformed and uses that cost is relatively low.

The component of this product is few, and structure is simple, easily fabricated.Also, this product is easy to directly to existing valve position switch Indicator is transformed, when transformation: the organic glass at the window on existing valve position switch indicator need to only be separated, with Afterwards, above-mentioned covering and indicator is installed to complete.Therefore transformation difficulty is low, the cost being transformed and use is relatively low, is suitble to It promotes the use of this field.

2, waterproof and better tightness.

Covering covers the aperture of cover top surface, so that rainwater is not easily accessible in cover, plays preferable waterproof sealing Effect, can effectively avoid the valve stem top inside cover and corrodes.In addition, even if aqueous vapor enters in cover, aqueous vapor It is difficult to enter in viewing cylinder, is easy to persistently guarantee the normal instruction function of valve position switch indicator.

3, switch cue mark is more convenient for being checked.

Because the rotation of valve rod will drive the shaft of indicator and instruction is rotated with cylinder, and indicates to use cylinder peripheral side Face has cue mark, and cue mark can expose from viewing place on viewing cylinder；It is used again because being located at viewing at viewing The side of cylinder and the position of close ball valve handle.So cue mark can be easily by just in the operator of rotational handle See.The convenience for checking cue mark is thus improved, use process is optimized.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of existing ball valve.

Fig. 2 is the structural schematic diagram of the utility model gas source conveyance conduit ball valve valve position switch indicator.

Fig. 3 is the structural schematic diagram of the utility model gas source conveyance conduit ball valve valve position switch indicator.

Fig. 4 is the semi-cutaway of the utility model gas source conveyance conduit ball valve valve position switch indicator.

In the figure, it is marked as

1 ball valve: 10 handles；

2 turntables；

3 covers；

Covering: 40 cover plates, 41 sleeves, 42 viewing cylinders, 43 intermediate link blocks, 44 ring-shaped steps, 45 connector sleeves Pipe；

Indicator: 50 shafts, 51 instruction cylinders, 52 connecting plates.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

When specific implementation: as shown in Figures 1 to 4:

Gas source conveyance conduit ball valve valve position switch indicator, including turntable 2 and cover 3；The valve of the turntable 2 and ball valve 1 It is coaxially fixedly linked at the top of bar；The cover 3 covers the turntable 2 and is integrally attached to the valve body outside top position of ball valve, 3 top surface of cover offers the aperture exposed for turntable 2；

It further include covering and indicator；

The bottom of the covering has one piece of cover plate 40, and the cover plate 40 covers the aperture and is fixed on institute State on cover 3, be fixedly installed at 2 shaft core position of turntable described in the upper surface face of the cover plate 40 one it is vertical and up and down The sleeve 41 of perforation, the top of the sleeve 41 are fixedly installed a viewing cylinder 42 with a closed top, and the viewing is used Cylinder 42 is equipped at a transparent viewing close to the position of ball valve handle 10 in a circumferential direction, the dead astern at the viewing It is additionally provided with another transparent viewing mouth；

The indicator includes a vertically arranged shaft 50, and the lower end of the shaft 50 is coaxial solid with the turntable 2 Fixed to be connected, the shaft 50 runs through the sleeve 41, and the upper end of the shaft 50 is located at described watch in cylinder 42 and coaxial It is fixed with an instruction cylinder 51, the instruction has cue mark with 51 peripheral side of cylinder.

When implementation, O-ring seal preferably is set in the side of shaft 50 to realize the sleeve 41 of shaft 50 Yu covering Between sealing.So that there is more preferable sealing and anti-aqueous vapor effect inside viewing cylinder 42.

Wherein, the viewing is made with cylinder 42 is whole by transparent acrylic material, and around being located at the viewing The viewing cylinder side be coated with light screening material.

Acrylic material (also referred to as " organic glass ") has structure simple, and easy processing molding, the good advantage of translucency can Reduce the manufacture difficulty and manufacturing cost of viewing cylinder 42.

When implementation, preferably viewing with cylinder 42 except on the lateral surface of the other positions at viewing be coated with waterproof paint or Coating.In this way, can be drenched with cylinder 42 by water to viewing, be exposed to the sun by the sun and play better protective effect, extend viewing cylinder 42 ageing time, it is ensured that entirety can more reliable lasting use.

Wherein, the cover plate 40 and sleeve 41 are made by stainless steel material.

So, the favorable rust preventing effect of cover plate 40 and sleeve 41, structure is more reliable, is more suitable under open-air atmosphere Persistently use.

Wherein, the surrounding of the cover plate 40, which runs through, is equipped with multiple connecting holes, and the top of the cover 3 has and the company The one-to-one threaded mounting hole in hole is connect, screw is screwed in each connecting hole and corresponding threaded mounting hole and is covered to realize Fixation of the cover board 40 on cover 3.

Fixed structure between above-mentioned cover plate 40 and cover 3 has structure simple, the advantages of being easily assembled.

When implementation, pad is equipped with rubber gasket preferably between cover plate 40 and cover 3.It can get and more preferably seal in this way Property, aqueous vapor can be further prevented to enter cover 3, preferably protect the valve rod etc. inside cover 3.

Wherein, the covering further includes one piece of discoid intermediate link block 43；

The top position of the sleeve 41 is connected by external screw thread and the threaded hole of 43 center of intermediate link block It connects；The lateral surface of the intermediate link block 43 has external screw thread；The medial surface lower end of the viewing cylinder 42 passes through internal screw thread It is connected with the external screw thread of the intermediate link block 43 to realize fixation.

After above-mentioned preferred covering component structure, so that being that removable fixation connects between viewing cylinder 42 and sleeve 41 Binding structure, in this way, can easily pass through for the shaft of indicator 50 later separating viewing cylinder 42 or be easy to indefinite Phase cleans viewing with 42 inside of cylinder and indicator.

Wherein, radially evagination is formed with a ring-shaped step to the bottom position of the lateral surface of the intermediate link block 43 44, pad is equipped with sealing ring between 44 upper surface of ring-shaped step and the lower end surface of the viewing cylinder 42.

Above-mentioned ring-shaped step 44 can not only limit viewing with downlink of the cylinder 42 in assembly, additionally it is possible to be convenient for It is arranged for sealing ring, and matches with sealing ring to form better seal, effectively prevent hazing inside viewing cylinder 42.

Wherein, the center of the intermediate link block 43, which has, supplies the perforative through-hole of the shaft 50, and the centre The lower surface of link block 43 has the connecting sleeve 45 of a lower convex, and the interior diameter of the connecting sleeve 45 is greater than the through-hole Diameter, the connecting sleeve 45 is fixedly linked by internal screw thread and the external screw thread at 41 top of sleeve, and the upper end of the sleeve 41 Pad is equipped with sealing ring between the lower surface of the intermediate link block 43.

Assembling structure between above-mentioned intermediate link block 43 and connecting sleeve 45, have connection fastening, good airproof performance it is excellent Point.

Wherein, the upper side of the shaft 50 has external screw thread, and the lower end surface center of cylinder 51 is used in the instruction It is provided with a threaded hole, is threadably secured and is connected between the threaded hole and the upper end of the shaft 50.

After the assembling structure of above-mentioned shaft 50 and instruction with cylinder 51, shaft 50 may make to more easily pass covering Sleeve 41, simplify the assembly between indicator and covering.

Wherein, the lower end surface of the shaft 50 is vertically and fixedly provided with one piece of connecting plate 52, the connecting plate 52 and the turntable 2 Between be fixedly linked by screw.

So, shaft 50, which can directly be lain on turntable 2 by connecting plate 52, realizes just positioning, then, can be square Being fixed together the two by screw just, assembles up very easy.

Wherein, the cue mark includes two characters of "ON" and "Off", and two characters of "ON" and "Off" are by having noctilucence The transparent plastic of powder is made, and two characters of "ON" and "Off" are spaced apart in instruction in 51 peripheral side of cylinder.

Luminescent powder (photo-induced energy storage), luminescent powder are fluorescent powders after by the irradiation such as natural light, daylight light, ultraviolet light, Luminous energy is stored, after stopping light irradiation, then is slowly released in a manner of fluorescence, so in night or dark Place, remain to see it is luminous, the duration be up to a few houres to ten a few houres.

After adopting the above structure, two characters of "ON" and "Off" can be in night self-luminescence, thus convenient for operator View, optimization ball valve night switch operate.

When implementation, " arrow " symbol being directed toward clockwise is also had in the top of "ON" character；In the top of "Off" character Also with " arrow " symbol is directed toward counterclockwise, " arrow " symbol is made by reflectorized material (for example, reflective membrane or reflective prism).If After setting above-mentioned " arrow " symbol, operator can be prompted correct and quick rotating handle 10 completes cut-offfing for ball valve.

The above is only the utility model preferred embodiments, it is noted that not taking off for those skilled in the art Under the premise of from the technical program, the technical solution for the several modifications and improvements made should equally be contemplated as falling within the claims Claimed range.

Claims (10)

1. gas source conveyance conduit ball valve valve position switch indicator, including turntable and cover；The valve stem top of the turntable and ball valve Coaxially it is fixedly linked；The cover covers the turntable and is integrally attached to the valve body outside top position of ball valve, the cover Top surface offers the aperture exposed for turntable；It is characterized by also including coverings and indicator；

The bottom of the covering has one piece of cover plate, and the cover plate covers the aperture and is fixed on the cover On, a vertical and set up and down is fixedly installed at disk axes position described in the upper surface face of the cover plate Tin, it is fixedly installed a viewing cylinder with a closed top at the top of the sleeve, the viewing cylinder is in circumferencial direction It is equipped at least one transparent viewing；

The indicator includes a vertically arranged shaft, and the lower end of the shaft is coaxially fixedly linked with the turntable, institute Shaft is stated through the sleeve, and the upper end of the shaft is located at the viewing in cylinder and being coaxially fixed with an instruction use and justify Column, the instruction have cue mark with cylinder peripheral side.

2. gas source conveyance conduit ball valve valve position switch indicator according to claim 1, it is characterised in that: the viewing is used Cylinder is integrally made by transparent acrylic material, and the side coating for the viewing cylinder being located at around at the viewing There is light screening material.

3. gas source conveyance conduit ball valve valve position switch indicator according to claim 1 or 2, it is characterised in that: described to cover Cover board and sleeve are made by stainless steel material.

4. gas source conveyance conduit ball valve valve position switch indicator according to claim 1 or 2, it is characterised in that: described to cover The surrounding of cover board, which runs through, is equipped with multiple connecting holes, and the top of the cover has installs with the one-to-one screw thread of the connecting hole Screw is screwed in hole, each connecting hole and corresponding threaded mounting hole to realize fixation of the cover plate on cover.

5. gas source conveyance conduit ball valve valve position switch indicator according to claim 1 or 2, it is characterised in that: described to cover Cover piece further includes one piece of discoid intermediate link block；

The top position of the sleeve is connected by the threaded hole of external screw thread and the intermediate link block center；In described Between link block lateral surface have external screw thread；The medial surface lower end of the viewing cylinder passes through internal screw thread and the intermediate connection The external screw thread of block is connected to realize fixation.

6. gas source conveyance conduit ball valve valve position switch indicator according to claim 5, it is characterised in that: the centre connects Connecing the bottom position of the lateral surface of block, radially evagination is formed with a ring-shaped step, the ring-shaped step upper surface and the viewing Sealing ring is equipped with pad between the lower end surface of cylinder.

7. gas source conveyance conduit ball valve valve position switch indicator according to claim 5, it is characterised in that: the centre connects The center for connecing block, which has, supplies the perforative through-hole of the shaft, and the lower surface of the intermediate link block has a lower convex Connecting sleeve, the interior diameter of the connecting sleeve is greater than the diameter of the through-hole, and the connecting sleeve passes through internal screw thread and sleeve The external screw thread at top is fixedly linked, and pad is equipped with sealing between the upper end of the sleeve and the lower surface of the intermediate link block Circle.

8. gas source conveyance conduit ball valve valve position switch indicator according to claim 1 or 2, it is characterised in that: described turn The upper side of axis has external screw thread, and the lower end surface center of instruction cylinder is provided with a threaded hole, the screw thread It is threadably secured and is connected between hole and the upper end of the shaft.

9. gas source conveyance conduit ball valve valve position switch indicator according to claim 1 or 2, it is characterised in that: described turn The lower end surface of axis is vertically and fixedly provided with one piece of connecting plate, is fixedly linked between the connecting plate and the turntable by screw.

10. gas source conveyance conduit ball valve valve position switch indicator according to claim 1 or 2, it is characterised in that: the finger Indicating note includes two characters of "ON" and "Off", and two characters of "ON" and "Off" are made by the transparent plastic with luminescent powder, and Two characters of "ON" and "Off" are spaced apart in instruction in cylinder peripheral side.