CN204312720U - A kind of heat-resistant through-shaft non-pin side connects butterfly valve - Google Patents
A kind of heat-resistant through-shaft non-pin side connects butterfly valve Download PDFInfo
- Publication number
- CN204312720U CN204312720U CN201420691750.3U CN201420691750U CN204312720U CN 204312720 U CN204312720 U CN 204312720U CN 201420691750 U CN201420691750 U CN 201420691750U CN 204312720 U CN204312720 U CN 204312720U
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- Prior art keywords
- valve
- butterfly
- shaft
- lower cover
- valve shaft
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Abstract
The utility model relates to a kind of heat-resistant through-shaft non-pin side and connects butterfly valve, and the material of the valve seat of described butterfly valve is ethylene propylene diene rubber; Described lower cover installs adjusting bolt nut, together with by this adjusting bolt nut lower cover being movably arranged on valve body, coaxially be shaped with one at the axis position of this lower cover and valve shaft and hold out against projection, this holds out against projection when the upper and lower motion of adjusting bolt nut, can to hold out against or away from valve shaft, thus indirectly to regulate the motion up or down of butterfly plate.The material of the valve seat of this butterfly valve is ethylene propylene diene rubber, because ethylene propylene diene rubber has extremely strong resistance to high temperature, even if under therefore this valve seat is in the environment of high temperature for a long time, also can keeps its basic sealability, extend the working life of this butterfly valve; Be provided with adjusting bolt nut and hold out against projection, moving up and down of butterfly plate can be adjusted according to actual conditions, thus improve the sealing of butterfly valve, expand the using scope of this butterfly valve.
Description
Technical field
The utility model belongs to valve technology field, and especially a kind of heat-resistant through-shaft non-pin side connects butterfly valve.
Background technique
Valve (famen) is the controlling component in fluid delivery system, has cut-off, adjustment, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.For the valve of liquid control system, various valves used from the simplest stop valve to very complicated robot control system(RCS), its kind and specification are quite various.Valve can be used for the flowing controlling all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.Industrial valves door type is varied, is widely used in the industries such as chemical industry, food, water, electricity, mainly plays Flow-rate adjustment and the cut-off effect of flowing medium.
The butterfly plate of butterfly valve of the prior art is in the process used, owing to operating for a long time, along with the prolongation of service time, under waiting the impact of other factors under gravity, butterfly plate can move downward, thus greatly can reduce the sealing of butterfly valve, bring great inconvenience to the use of user, also can give simultaneously and use enterprise to cause economic loss; In addition, butterfly plate is in the using process of reality sometimes, and the height of the butterfly plate used due to different occasions is also not quite similar, and because the mounting point of butterfly plate is certain, therefore also brings inconvenience to use, reduces the using scope of butterfly valve.
Meanwhile, existing butterfly valve is in the process used, and flow through overheated fluid sometimes, the heat resistance of existing valve seat is mostly bad, very easily causes the loss of valve seat, shortens the working life of butterfly valve, brings loss to the economic benefit of enterprise; And the butterfly plate of existing butterfly valve mostly links together with pin and valve shaft, after long-time use, the butterfly plate at the perishable pin place of medium, easily causes the spindle nose position of valve shaft to reveal, shortens the working life of butterfly valve.
Model utility content
The purpose of this utility model is the deficiency overcoming original technology, provides that a kind of design science is reasonable, structure is simple, drastically increases sealability, improves working life, improves working efficiency, expands the heat-resistant through-shaft non-pin side of using scope and connect butterfly valve.
The technological scheme that the utility model technical solution problem adopts is:
A kind of heat-resistant through-shaft non-pin side connects butterfly valve, described butterfly valve comprises valve body, valve shaft, worm gearing, axle sleeve, butterfly plate and lower cover, described butterfly plate co-axial seal is installed in the valve seat of valve body, upper and lower two planes of valve body coaxially arrange worm gearing and lower cover respectively, the spindle nose position of this valve shaft is fixedly mounted with worm gearing by pin, valve shaft below this worm gearing outer from top to bottom coaxial package valve body, butterfly plate and lower cover successively, described valve shaft and between valve body and lower cover co-axial seal be set with axle sleeve
The material of described valve seat is ethylene propylene diene rubber; The periphery of described lower cover is along the circumferential direction shaped with the through hole that is threaded in uniform interval, the lower plane of valve body is shaped with the be threaded blind hole corresponding with tapped through hole, this through hole that is threaded engages with the blind hole internal thread that is threaded installs adjusting bolt nut, together with by this adjusting bolt nut lower cover being movably arranged on valve body, coaxially be shaped with one at the axis position of this lower cover and valve shaft and hold out against projection, this holds out against projection when the upper and lower motion of adjusting bolt nut, can to hold out against or away from valve shaft, thus indirectly to regulate the motion up or down of butterfly plate.
And described butterfly plate is integrated to be made, be shaped with the valve shaft through hole with valve shaft tabling in the axis position of this butterfly plate, this valve shaft through hole is square, and described valve shaft is square, and this butterfly plate can closely be set on valve shaft.
And, described in what hold out against projection is bit copper face towards valve shaft bottom surface place.
Advantage of the present utility model and good effect are:
1, the material of the valve seat of this butterfly valve is ethylene propylene diene rubber, because ethylene propylene diene rubber has extremely strong resistance to high temperature, even if under therefore this valve seat is in the environment of high temperature for a long time, also can keeps its basic sealability, extend the working life of this butterfly valve, simultaneously, be provided with adjusting bolt nut due to this butterfly valve and hold out against projection, by the height regulating outer bolt nut and inner bolt nut can adjust this bearing and valve body, thus drive butterfly plate to move up and down, thus the height of Indirect method butterfly plate, this holds out against projection on adjusting bolt nut, during lower motion, can to hold out against or away from valve shaft, thus indirectly regulate the motion up or down of butterfly plate, thus moving up and down according to actual conditions adjustment butterfly plate, thus improve the sealing of butterfly valve, bring great convenience to the use of user, save the cost of production of enterprise, in addition, because this butterfly plate is in the using process of reality, the height of upper and lower adjustment butterfly plate can be carried out according to actual conditions, meet the use of different occasion, bring facility to use, expand the using scope of this butterfly valve.
2, this butterfly valve due to this butterfly plate be what be connected without pin with the Placement of valve body, long-time use after, because medium is to the corrosion of butterfly valve thus the phenomenon causing valve shaft position to reveal generation, thus the working life of this butterfly valve can not be improve.
3, this butterfly valve what hold out against projection is bit copper face towards valve shaft bottom surface place, effectively prevent the generation holding out against the fault phenomenon of projection when holding out against the bottom surface of valve shaft, extend the working life of this butterfly valve, further increase the convenience of use, improve the sealability of butterfly valve.
Accompanying drawing explanation
Fig. 1 is structural front view of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to partial cross-sectional cut-away view (not comprising worm gearing);
Fig. 3 be B-B in Fig. 1 to butterfly valve and the enlarged schematic partial view in linkage structure cross section of valve shaft;
Fig. 4 is the C portion structure enlarged diagram in Fig. 2.
Embodiment:
For content of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows.It should be noted that, the present embodiment is descriptive, is not determinate, can not limit protection domain of the present utility model thus.
A kind of heat-resistant through-shaft non-pin side connects butterfly valve, as Fig. 1, shown in Fig. 2 and Fig. 3, described butterfly valve comprises valve body 2, valve shaft 5, worm gearing 1, axle sleeve (in figure non-label), butterfly plate 4 and lower cover 6, described butterfly plate co-axial seal is installed in the valve seat 3 of valve body, valve body upper, lower two planes coaxially arrange worm gearing and lower cover respectively, the spindle nose position of this valve shaft is fixedly mounted with worm gearing by pin, the outer coaxial package valve body successively from top to bottom of valve shaft below this worm gearing, butterfly plate and lower cover, described valve shaft and between valve body and lower cover co-axial seal be set with axle sleeve.
Innovative point of the present utility model is:
(1) described butterfly plate is integrated and makes, and is shaped with the valve shaft through hole with valve shaft tabling in the axis position of this butterfly plate, and this valve shaft through hole is square, and described valve shaft is square, and this butterfly plate can closely be set on valve shaft; The material of described valve seat is ethylene propylene diene rubber, because ethylene propylene diene rubber has extremely strong resistance to high temperature, even if under therefore this valve seat is in the environment of high temperature for a long time, also can keeps its basic sealability, extend the working life of this butterfly valve; Because this butterfly plate is what be connected without pin with the Placement of valve body, long-time use after, because medium is to the corrosion of butterfly valve thus the phenomenon causing valve shaft position to reveal generation, thus the working life of this butterfly valve can not be improve;
As shown in Figure 4, the periphery of described lower cover is along the circumferential direction shaped with the through hole that is threaded (in figure non-label) in uniform interval, the lower plane of valve body is shaped with the be threaded blind hole (in figure non-label) corresponding with tapped through hole, this through hole that is threaded engages with the blind hole internal thread that is threaded installs adjusting bolt nut 7, together with by this adjusting bolt nut lower cover being movably arranged on valve body, coaxially be shaped with one at the axis position of this lower cover and valve shaft and hold out against projection 8, this holds out against projection on adjusting bolt nut, during lower motion, can to hold out against or away from valve shaft, thus indirectly regulate the motion up or down of butterfly plate, thus moving up and down according to actual conditions adjustment butterfly plate.
This butterfly valve is provided with adjusting bolt nut and holds out against projection, by the height regulating outer bolt nut and inner bolt nut can adjust this bearing and valve body, thus drive butterfly plate to move up and down, thus the height of Indirect method butterfly plate, this holds out against projection when the upper and lower motion of adjusting bolt nut, can to hold out against or away from valve shaft, thus indirectly regulate the motion up or down of butterfly plate, thus moving up and down according to actual conditions adjustment butterfly plate, thus improve the sealing of butterfly valve, bring great convenience to the use of user, saved the cost of production of enterprise; In addition, because this butterfly plate is in the using process of reality, the height of upper and lower adjustment butterfly plate can be carried out according to actual conditions, meet the use of different occasion, bring facility to use, expand the using scope of this butterfly valve.
(2) what hold out against projection described in is bit copper face 9 towards valve shaft bottom surface place, effectively prevent the generation holding out against the fault phenomenon of projection when holding out against the bottom surface of valve shaft, extend the working life of this butterfly valve, further increase the convenience of use, improve the sealability of butterfly valve.
Claims (3)
1. a heat-resistant through-shaft non-pin side connects butterfly valve, described butterfly valve comprises valve body, valve shaft, worm gearing, axle sleeve, butterfly plate and lower cover, described butterfly plate co-axial seal is installed in the valve seat of valve body, upper and lower two planes of valve body coaxially arrange worm gearing and lower cover respectively, the spindle nose position of this valve shaft is fixedly mounted with worm gearing by pin, valve shaft below this worm gearing outer from top to bottom coaxial package valve body, butterfly plate and lower cover successively, described valve shaft and between valve body and lower cover co-axial seal be set with axle sleeve, it is characterized in that:
The material of described valve seat is ethylene propylene diene rubber; The periphery of described lower cover is along the circumferential direction shaped with the through hole that is threaded in uniform interval, the lower plane of valve body is shaped with the be threaded blind hole corresponding with tapped through hole, this through hole that is threaded engages with the blind hole internal thread that is threaded installs adjusting bolt nut, together with by this adjusting bolt nut lower cover being movably arranged on valve body, coaxially be shaped with one at the axis position of this lower cover and valve shaft and hold out against projection, this holds out against projection when the upper and lower motion of adjusting bolt nut, can to hold out against or away from valve shaft, thus indirectly to regulate the motion up or down of butterfly plate.
2. heat-resistant through-shaft non-pin side according to claim 1 connects butterfly valve, it is characterized in that: described butterfly plate is integrated to be made, the valve shaft through hole with valve shaft tabling is shaped with in the axis position of this butterfly plate, this valve shaft through hole is square, described valve shaft is square, and this butterfly plate can closely be set on valve shaft.
3. heat-resistant through-shaft non-pin side according to claim 1 and 2 connects butterfly valve, it is characterized in that: described in what hold out against projection is bit copper face towards valve shaft bottom surface place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691750.3U CN204312720U (en) | 2014-11-18 | 2014-11-18 | A kind of heat-resistant through-shaft non-pin side connects butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691750.3U CN204312720U (en) | 2014-11-18 | 2014-11-18 | A kind of heat-resistant through-shaft non-pin side connects butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312720U true CN204312720U (en) | 2015-05-06 |
Family
ID=53135038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420691750.3U Expired - Fee Related CN204312720U (en) | 2014-11-18 | 2014-11-18 | A kind of heat-resistant through-shaft non-pin side connects butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312720U (en) |
-
2014
- 2014-11-18 CN CN201420691750.3U patent/CN204312720U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20151118 |
|
| EXPY | Termination of patent right or utility model |