CN206458845U - The screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification can be improved - Google Patents
The screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification can be improved Download PDFInfo
- Publication number
- CN206458845U CN206458845U CN201621384073.6U CN201621384073U CN206458845U CN 206458845 U CN206458845 U CN 206458845U CN 201621384073 U CN201621384073 U CN 201621384073U CN 206458845 U CN206458845 U CN 206458845U
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- valve
- bonnet
- stem
- handwheel
- screw
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- 230000000630 rising effect Effects 0.000 title claims abstract description 31
- 241001661918 Bartonia Species 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 210000004907 gland Anatomy 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims abstract description 15
- 238000012856 packing Methods 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 229910001018 Cast iron Inorganic materials 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 210000003660 reticulum Anatomy 0.000 description 33
- 239000000463 material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 241000826860 Trapezium Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000009298 Trigla lyra Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model is related to the screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification can be improved, including valve body, bonnet, stuffing-box, sealing gland, valve rod, valve stem nut, valve plate, valve seat and the handwheel being connected with threaded stem, valve rod sequentially passes through sealing gland, stuffing-box and bonnet and stretched into valve body, realizes that valve plate is moved up and down by rotation hand wheel band ovable valve stem rotation；It is characterized in valve stem nut and bonnet is integral piece；Stem lower portion sets the thread segment that is threadedly coupled with valve stem nut, and valve rod lower end is connected valve plate；Stuffing-box is to be integrally disposed upon annular groove at the top of bonnet around valve rod hole and the bonnet of the bonnet, and in the built-in filler of annular groove, sealing gland is a thread cap, and thread cap compresses filler and is threaded on the outside of the stuffing-box of bonnet；The top of bonnet lower edge sets one section of hexagonal prism shape outer shroud on the outside of bonnet；The annular gag of gland packing is set in annular groove notch, thread cap compresses annular gag and is threaded on the outside of the stuffing-box of bonnet.
Description
Technical field
The utility model is related to a kind of valve, more particularly to the middle mouth that a kind of constructive simplification can be improved is screw connected bright
Lever brake valve.
Background technology
Gate valve due to small with fluid resistance, sealing surface by medium washed away and corroded it is small, be opened and closed relatively labor-saving, medium and flow to
It is unrestricted, not flow-disturbing, the advantages of do not reduce pressure, it is extensive as the control piper standard-sized sheet in pipeline and fully closed control valve
In medium pipeline for multiple fields such as the public waterworks in petrochemical industry, urban construction, sewage treatment projects.Gate valve is pressed
Its bonnet valve body connected mode has middle mouth flange form connection and middle mouth screw-type connection.Wherein middle mouth flange form connection gate valve due to
Connected using flange, material consumption is big, packaging technology is complicated, by contrast, middle mouth threaded connection gate valve without flange arrangement and
The consumptive material of mating fastener etc., technique also simplifies, and with the advantage for saving material, saving man-hour, but middle mouth threaded connection gate valve is current
It is inside screw nonrising stem type gate valve, its structure mainly includes valve body, bonnet, the stuffing-box of built-in filler, sealing gland, valve rod and threaded stem
Valve stem nut, valve plate, valve seat and the handwheel of connection, the valve rod sequentially pass through sealing gland, stuffing-box and bonnet and stretch into valve body
It is interior, realize that valve plate is moved up and down by rotation hand wheel band ovable valve stem rotation.The shortcoming of this hidden-rod gate valve is, due to valve rod not
Lifting is produced, operating personnel are difficult to differentiate the open/close states of valve in operation handwheel, and dark bar structural elements are more, material
Cost is high, assembles also time-consuming.
If above-mentioned middle mouth threaded connection hidden-rod gate valve is improved into rising stem gate valve, then further increases and express valve
The performance of door open/close states, can also further save material, simplified technique and reach that reducing cost puies forward high performance effect.
Utility model content
Main purpose of the present utility model is in view of the above-mentioned problems, being threadedly coupled the base of hidden-rod gate valve in existing middle mouth
It is improved on plinth there is provided the screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification can be improved, valve can be expressed by reaching
Open/close states, simplified structure, reduction material consumption, effect easy to process.
The utility model solves the technical scheme that its technical problem used：
The screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification can be improved, including valve body, bonnet, built-in filler
Letter, sealing gland, valve rod, the valve stem nut being connected with threaded stem, valve plate, valve seat and handwheel, the valve rod sequentially passes through close
Sealed cover, stuffing-box and bonnet are stretched into valve body, realize that valve plate is moved up and down by rotation hand wheel band ovable valve stem rotation；Its feature
It is that the valve stem nut and bonnet are integral pieces；The stem lower portion sets the screw thread being threadedly coupled with the valve stem nut
Section, valve rod lower end is connected valve plate；The stuffing-box is to surround the valve rod hole of the bonnet to be integrally disposed upon at the top of bonnet with bonnet
Annular groove, put filler in annular groove, the sealing gland is a thread cap, the thread cap compresses filler threaded connection
On the outside of the stuffing-box of bonnet.
The inverted T-shaped head that the valve rod is set by its bottom is linked into the inverted T-slot that the valve plate top is set and valve plate
It is fixedly connected.
The annular gag of gland packing is set in the annular groove notch, the thread cap compresses annular gag threaded connection
On the outside of the stuffing-box of bonnet.
Set one section on the outside of the bonnet in the top of the bonnet lower edge and with its integrally formed hexagonal prism shape outer shroud.
The sealing surface of the valve plate and valve seat is using copper sealing, cast iron sealing, stainless steel sealing or rubber seal.
The sealing surface of the valve plate inlays copper sealing ring, and the valve seat is the copper annulus being welding on valve seal mouthful
The bucking ladder that the valve rod is set by its top is embedded in the centrally disposed trapezoidal hole of matched handwheel, with
Handwheel is fixedly connected.
The beneficial effects of the utility model are：1. structure simplifies compact, number of components is reduced, and stuffing-box is made as one with bonnet
Body part, valve stem nut and bonnet are also integral piece, not only simplify structure and technique, also reduce material consumption, improve efficiency of assembling.
2. because valve rod uses rising stem (RS.), valve rod is lifted and lifted with valve plate, therefore can explicitly indicate that valve opening and closing state, it is easy to operation.
3. the thread segment of valve rod is arranged on stem lower portion, remainder is polished rod, is conducive to passing in and out thread cap during valve rod lifting moving,
It ensure that the tight of valve top seal.4. setting one section of hexagonal prism shape outer shroud in the top of bonnet lower edge, assembler can be used as
Has the clamping face of such as spanner or special tooling, ease of assembly improves packaging efficiency.5. favorable sealing property, stuffing-box is used
Ring channel structures, put filler in annular groove, and are capped the thread cap at the top of the annular gag for compressing filler and block, realize
Sealed on tight valve.6. the bucking ladder that valve rod is set by its top is embedded in the centrally disposed trapezoidal hole of handwheel, with
Handwheel is fixedly connected, and by nut check, with reference to very firm stable.7. closed mode, valve rod wraps in bonnet substantially,
It is isolated from the outside, can effectively prevents the corrosion and damage of extraneous humidity, impurity etc., increase the service life.
Brief description of the drawings
Fig. 1 is the front view structure of the screw connected Outside screw stem rising through handwheel type gate valve of mouth in the pipe flange connecting-type that constructive simplification can be improved
Schematic diagram；
Fig. 2 is Fig. 1 side view；
Fig. 3 is the A-A sectional views in Fig. 1；
Fig. 4 is the structural representation of handwheel in Fig. 1；
Fig. 5 is the structural representation of valve rod in Fig. 1；
Fig. 6 is the I views in Fig. 1；
Fig. 7 is the valve board structure schematic diagram in Fig. 1；
Fig. 8 is the front view structure of the screw connected Outside screw stem rising through handwheel type gate valve of mouth in the pipeline thread connecting-type that constructive simplification can be improved
Schematic diagram；
Fig. 9 is Fig. 8 side view.
In figure：
1st, 1a valve bodies, 2 valve seats, 3 valve plates, 31 inverted T-slots, 32 copper sealing rings, mouth sealing gasket in 4,5 valve rods, 51 is trapezoidal
Platform, 52 thread segments, 53 inverted T-shaped platforms, 6 bonnets, 61 stuffing-boxes, 62 valve stem nuts, 63 hexagonal prism shape outer shrouds, 7 fillers, 8 ring plugs
Lid, 9 sealing glands, 10 handwheels, 11 packing rings, 12 nuts, 13 pipeline coupling flanges, 14 trapezoidal holes, 15 copper annulus, 16 valve bodies are close
Sealing, 17 pipeline connection screw threads.
The utility model is described in detail below in conjunction with drawings and examples.
Embodiment
Fig. 1-7 show in the pipe flange connecting-type that a kind of constructive simplification can be improved the screw connected Outside screw stem rising through handwheel type gate valve of mouth and
The structure of its parts, the rising stem gate valve includes valve body 1, bonnet 6, stuffing-box 61, sealing gland 9, valve rod 5 and the spiral shell of valve rod 5
Line connection valve stem nut 62, valve plate 3, valve seat 2 and handwheel 10, the valve rod 5 sequentially pass through sealing gland 9, stuffing-box 61 and
Bonnet 6 is stretched into valve body 1, realizes that valve plate 3 is moved up and down with the rotation of ovable valve stem 5 by rotation hand wheel 10.In this example, the valve body
1 is pipe flange connecting-type valve body, and the gate valve belongs to the screw connected Outside screw stem rising through handwheel type gate valve of mouth in pipe flange connecting-type.
The above-mentioned screw connected Outside screw stem rising through handwheel type gate valve that the present embodiment is provided is characterised by that the valve stem nut 62 and bonnet 6 are
Integral piece；The bottom of valve rod 5 sets the thread segment 52 being threadedly coupled with the valve stem nut 62, and the lower end of valve rod 5 is connected valve plate
3, specific attachment structure is that the inverted T-shaped platform 51 that valve rod 5 is set by its bottom is linked into the inverted T-slot that the valve plate top is set
It is fixedly connected in 31 with valve plate 3.
The another of above-mentioned screw connected Outside screw stem rising through handwheel type gate valve be characterized in, stuffing-box 61 be around the bonnet 6 valve rod hole with
Bonnet is integrally disposed upon the annular groove at the top of bonnet, and filler 7 is put in annular groove, and the sealing gland 9 is a thread cap, spiral shell
Line cap compresses the outside of stuffing-box 61 that filler 7 is threaded in bonnet.In the present embodiment, it is also provided with the annular groove notch
The annular gag 8 of gland packing, the thread cap compresses the outside that annular gag 8 is threaded in the stuffing-box 61 of bonnet.
Above-mentioned screw connected Outside screw stem rising through handwheel type gate valve is further characterized in that the bucking ladder 51 that the valve rod 5 is set by its top is embedding
Enter in the centrally disposed trapezoidal hole 14 of matched handwheel, be fixedly connected with handwheel 10, and locked by nut 12.Due to being
Trapezium structure, with reference to very firm stable.
Above-mentioned screw connected Outside screw stem rising through handwheel type gate valve is further characterized in that sets one section around valve in the top of the lower edge of bonnet 6
Outer side of lid and with its integrally formed hexagonal prism shape outer shroud 63.
Above-mentioned screw connected Outside screw stem rising through handwheel type gate valve is further characterized in that valve plate 3 with the sealing surface of valve seat 2 using copper sealing, cast iron
Sealing, stainless steel sealing or rubber seal.In the present embodiment, as shown in fig. 6-7, the sealing surface of the valve plate 3 inlays copper close
Seal 32, the valve seat is the copper annulus 15 being welding on valve seal mouthful 16, and valve plate, valve base chamber use this sealing structure
With reference to tight, firm.In actual applications, valve plate 3 can also be cast iron, and valve seat is also the cast iron being molded with valve body；Valve
Plate 3 can also be stainless steel, and valve seat then takes the stainless steel annulus being welding on valve seal mouthful 16；The sealing surface of valve plate 3 is also
Can be rubber, valve seat is the cast iron being molded with valve body.
Above-mentioned screw connected Outside screw stem rising through handwheel type gate valve, in its closed mode, the bag substantially of valve rod 5 holds together in bonnet, is isolated from the outside,
Therefore the corrosion and damage of extraneous humidity, impurity etc. can be effectively prevented, is increased the service life.
In the utility model, the valve body is pipe flange connecting-type valve body or pipeline thread connecting-type valve body.Above-mentioned reality
It is the screw connected Outside screw stem rising through handwheel type gate valve of mouth in pipe flange connecting-type to apply example, and valve body 1 is pipe flange connecting-type valve body, using when,
It is connected by pipeline coupling flange 13 with pipeline.Fig. 8-9 shows the screw connected rising stem (RS.) lock of mouth in a kind of pipeline thread connecting-type
Valve.It is pipeline thread connecting-type valve body to be compared it with precedent to differ only in valve body 1a, passes through pipeline connection screw thread 17 and pipeline
Connection.Remaining structure is identical.Therefore feature performance benefit is also identical.
In summary, compared with existing middle mouth threaded connection hidden-rod gate valve, the utility model realizes following improvement：1.
Structure simplifies, and number of components is reduced, and stuffing-box is made as integral piece with bonnet, and valve stem nut and bonnet are also integral piece, make structure
Simplify, technique simplifies, reduction material consumption, saving installation time.2. because valve rod uses rising stem (RS.), valve rod is lifted and risen with valve plate
Drop, therefore valve opening and closing state can be explicitly indicated that, it is easy to operation；3. the thread segment 52 of valve rod is arranged on stem lower portion, its remaining part
It is polished rod to divide, and is so conducive to passing in and out thread cap during valve rod lifting moving, while also ensure that the tight of valve top seal.4.
For ease of the assembling of mouth in bonnet and valve body, one section of hexagonal prism shape outer shroud 63 is set in the top of the lower edge of bonnet 6, assembling can be used as
The clamping face of instrument such as spanner or special tooling etc., improves packaging efficiency.5. favorable sealing property, stuffing-box uses annular groove knot
Structure, puts filler in annular groove, and is capped the thread cap at the top of the annular gag for compressing filler and block, realizes tight
Sealed on valve.6. the bucking ladder 51 that valve rod 5 is set by its top is embedded in the centrally disposed trapezoidal hole of matched handwheel
In 14, it is fixedly connected, and is locked by nut 12 with handwheel 10.Using trapezium structure, with reference to very firm stable.7. valve rod 5
Basic bag holds together in bonnet, is isolated from the outside, and can effectively prevent the corrosion and damage of extraneous humidity, impurity etc., increase the service life.
Above content not makees any formal limitation to structure of the present utility model, shape and material.Every foundation
Any simple modification, equivalent variations and modification that technical spirit of the present utility model is made to above example, still fall within this
In the range of utility model technical scheme.
Claims (10)
1. the screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification can be improved, including valve body, bonnet, built-in stuffing-box,
Sealing gland, valve rod, the valve stem nut being connected with threaded stem, valve plate, valve seat and handwheel, the valve rod sequentially pass through sealing pressure
Lid, stuffing-box and bonnet are stretched into valve body, realize that valve plate is moved up and down by rotation hand wheel band ovable valve stem rotation；It is characterized in that
The valve stem nut and bonnet are integral pieces；The stem lower portion sets the thread segment being threadedly coupled with the valve stem nut, valve
Bar lower end is connected valve plate；The stuffing-box is that the valve rod hole of the circular bonnet is integrally disposed upon the annular at the top of bonnet with bonnet
Groove, puts filler in annular groove, and the sealing gland is a thread cap, and the thread cap compresses filler and is threaded in bonnet
Stuffing-box on the outside of.
2. the screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification according to claim 1 can be improved, its feature
It is that inverted T-shaped head that the valve rod is set by its bottom is linked into the inverted T-slot that the valve plate top is set to fix with valve plate
Connection.
3. the screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification according to claim 1 or 2 can be improved, it is special
The annular gag that being, gland packing is set in the annular groove notch is levied, the thread cap compresses annular gag and is threaded in
On the outside of the stuffing-box of bonnet.
4. the screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification according to claim 1 or 2 can be improved, it is special
Levy be to set one section on the outside of the bonnet in the top of the bonnet lower edge and with its integrally formed hexagonal prism shape outer shroud.
5. the screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification according to claim 3 can be improved, its feature
Be to set one section on the outside of the bonnet in the top of the bonnet lower edge and with its integrally formed hexagonal prism shape outer shroud.
6. the screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification according to claim 1 or 2 can be improved, it is special
The sealing surface for being the valve plate and valve seat is levied using copper sealing, cast iron sealing, stainless steel sealing or rubber seal.
7. the screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification according to claim 5 can be improved, its feature
It is that the sealing surface of the valve plate and valve seat is sealed or rubber seal using copper sealing, cast iron sealing, stainless steel.
8. the screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification according to claim 7 can be improved, its feature
It is that the sealing surface of the valve plate inlays copper sealing ring, the valve seat is the copper annulus being welding on valve seal mouthful.
9. the screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification according to claim 1 or 2 can be improved, it is special
Levy and be that the bucking ladder that the valve rod is set by its top is embedded in the centrally disposed trapezoidal hole of matched handwheel, with hand
Wheel is fixedly connected.
10. the screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification according to claim 8 can be improved, its feature
It is that the bucking ladder that the valve rod is set by its top is embedded in the centrally disposed trapezoidal hole of matched handwheel, with handwheel
It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384073.6U CN206458845U (en) | 2016-12-16 | 2016-12-16 | The screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification can be improved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384073.6U CN206458845U (en) | 2016-12-16 | 2016-12-16 | The screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification can be improved |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206458845U true CN206458845U (en) | 2017-09-01 |
Family
ID=59697429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621384073.6U Expired - Fee Related CN206458845U (en) | 2016-12-16 | 2016-12-16 | The screw connected Outside screw stem rising through handwheel type gate valve of middle mouth that a kind of constructive simplification can be improved |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206458845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575586A (en) * | 2017-09-21 | 2018-01-12 | 安徽荣达阀门有限公司 | One kind rotatably compresses valve |
| CN108799530A (en) * | 2018-07-09 | 2018-11-13 | 盐城瑞德石化机械有限公司 | Simple flat plate valve |
-
2016
- 2016-12-16 CN CN201621384073.6U patent/CN206458845U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575586A (en) * | 2017-09-21 | 2018-01-12 | 安徽荣达阀门有限公司 | One kind rotatably compresses valve |
| CN108799530A (en) * | 2018-07-09 | 2018-11-13 | 盐城瑞德石化机械有限公司 | Simple flat plate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20181216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |