CN204692609U - A kind of Novel hard-seal formula butterfly valve - Google Patents
A kind of Novel hard-seal formula butterfly valve Download PDFInfo
- Publication number
- CN204692609U CN204692609U CN201520208712.2U CN201520208712U CN204692609U CN 204692609 U CN204692609 U CN 204692609U CN 201520208712 U CN201520208712 U CN 201520208712U CN 204692609 U CN204692609 U CN 204692609U
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- pipe
- mounting
- machine shaft
- lamellar body
- communicated
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Abstract
The utility model relates to a kind of Novel hard-seal formula butterfly valve, middle mounting assembly is provided with between keying motor cabinet and mounting flange pipe, the inner chamber being communicated with mounting pipe is divided into straight-through section and draws the inferior pyramidal section of shape in upper big, lower small in, the central axis upright of machine shaft and the middle and lower part of machine shaft and lowermost end are all inserted in the inner chamber being communicated with mounting pipe, and the bottom of drive sleeve is successively through being communicated with mounting pipe, mounting flange pipe until be connected as a single entity with valve lamellar body.The utility model is different from motor-driven rotating shaft in traditional architectures directly and the structure be connected between the Sealing of valve, mounting assembly in the middle of adopting, fixing mainly through being spirally connected between the inwall on the top of drive sleeve and the middle and lower part of machine shaft when assembling, when dismantling, make the phenomenon of polyvinyl plastics generation melting, then can take out Sealing and valve lamellar body directly to lower pull drive sleeve, simple and practical, and be convenient to safeguard and change to have use value.
Description
Technical field
The utility model relates to a kind of Novel hard-seal formula butterfly valve.
Background technique
In known technical field, butterfly valve is Flap valve again, it is the simple modulating valve of a kind of structure, the butterfly valve that can be used for the switch control rule of low pressure pipeline medium refers to that closure member (flap or butterfly plate) is disk, rotate a kind of valve reaching open and close around valve shaft, 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.On pipeline, main rising is cut off and throttling action.Butterfly valve open-shut device is a discoidal butterfly plate, rotates in valve body around the axis of himself, thus reaches the object opening and closing or regulate.Traditional butterfly valve is the design of integral type at the position be rotationally connected; when valve lamellar body and closure member need replacing or periodic maintenance; its dismounting extremely bothers; comparatively expend time in and energy, its precision of ressembling also is difficult to be effectively guaranteed, after a protracted use; need to carry out replacing to the connection part of closure member and upper end to safeguard; comparatively bother, need whole system maintenance down, therefore need a kind of high quality, long lifetime and the butterfly valve of good airproof performance.
Model utility content
The technical problems to be solved in the utility model is: overcome the problems referred to above, a kind of Novel hard-seal formula butterfly valve is provided, can be efficiently more convenient when the later maintenance of butterfly valve is changed, increase working life and the sealability of butterfly valve simultaneously, possess the ability of flexible adjustment simultaneously.
The utility model solves the technological scheme that its technical problem adopts: a kind of Novel hard-seal formula butterfly valve, comprise, the lower keying motor cabinet that arranges respectively and mounting flange pipe, valve lamellar body in the machine shaft of described keying motor cabinet and mounting flange pipe is rotationally connected, middle mounting assembly is provided with between described keying motor cabinet and mounting flange pipe, described middle mounting assembly have keying motor cabinet be communicated with mounting pipe with between mounting flange pipe, the inner chamber of described connection mounting pipe is divided into straight-through section and presents large, the inferior pyramidal section of lower little gathering shape, the central axis upright of described machine shaft and the middle and lower part of machine shaft and lowermost end are all inserted in the inner chamber being communicated with mounting pipe, and respectively with the upper straight-through section being communicated with mounting pipe, inferior pyramidal section is corresponding, and the lowermost end of described machine shaft is ball head structure, the first polyvinyl plastics cover is coated with respectively on the sidewall of the middle and lower part of described machine shaft with on the sidewall of lowermost end, second polyvinyl plastics cover, drive sleeve is provided with in described connection mounting pipe, described drive sleeve is divided into, lower two-part, the top of described drive sleeve is one end open and the tube structure of hollow encase middle and lower part and the lowermost end of machine shaft, and it is fixing to be spirally connected between the inwall on the top of described drive sleeve and the middle and lower part of machine shaft, the bottom of described drive sleeve is successively through being communicated with mounting pipe, mounting flange pipe is until be connected as a single entity with valve lamellar body, sealing gasket is provided with between the upper end of described connection mounting pipe and the lower end opening and closing motor cabinet, described upper sealing gasket structure ringwise, and described upper sealing gasket seals up the upper end being communicated with mounting pipe,
The inwall of described flanged pipe is positioned at valve lamellar body place and is provided with annular groove, left and rightly in the bottom of described annular groove be arranged with spring steel lamellar body, the outside that spring steel lamellar body is stated in residence is equipped with polyurethane water-proof sponge strip, left and rightly on the outer wall of described mounting flange pipe be arranged with adjusting nut, and described adjusting nut props up the middle part of corresponding spring steel lamellar body respectively, offer embedding draw-in groove in the bottom of the inwall of described flanged pipe, the lower end of described spring steel lamellar body is circular arc curved shape and is inserted in embedding draw-in groove.
The beneficial effects of the utility model are: the utility model structure is simple, reasonable in design, be different from motor-driven rotating shaft in traditional architectures directly and the structure be connected between the Sealing of valve, mounting assembly in the middle of adopting, fixing mainly through being spirally connected between the inwall on the top of drive sleeve and the middle and lower part of machine shaft when assembling, and by the expandable frictional power between polyvinyl plastics and drive sleeve, and polyvinyl plastics is closely coated on the machine shaft in ball head structure, when dismantling, because polyvinyl plastics is thermoplastic plastics, can heat the outer wall being communicated with mounting pipe with flame gun, then the phenomenon of polyvinyl plastics generation melting is made, then Sealing and valve lamellar body can be taken out directly to lower pull drive sleeve, simple and practical, and be convenient to safeguard and change, improve the efficiency of maintenance, lubricant oil permeability hole simultaneously by setting up, certain lubricant oil can be poured into, good lubrication can be played to the frictional force between mechanical parts, reduce the wastage, improve the working life of butterfly valve.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the close-up schematic view at A place in Fig. 1;
Fig. 3 is the close-up schematic view at B place in Fig. 1;
In figure: 1. open and close motor cabinet, 11. machine shafts, 2. mounting flange pipe, 21. valve lamellar bodies, 3. middle mounting assembly, 31. are communicated with mounting pipe, 32. first polyvinyl plastics covers, 33. second polyvinyl plastics covers, 34. drive sleeve, sealing gasket on 35., 4. spring steel lamellar body, 5. polyurethane water-proof sponge strip, 6. adjusting nut, 7. embeds draw-in groove.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
The preferred embodiment of a kind of Novel hard-seal formula of the utility model as shown in FIG. 1 to 3 butterfly valve, comprise, the lower keying motor cabinet 1 that arranges respectively and mounting flange pipe 2, the machine shaft 11 of described keying motor cabinet 1 is rotationally connected with the valve lamellar body 21 in mounting flange pipe 2, middle mounting assembly 3 is provided with between keying motor cabinet 1 and mounting flange pipe 2, described middle mounting assembly 3 have keying motor cabinet 1 be communicated with mounting pipe 31 with between mounting flange pipe 2, the inner chamber of described connection mounting pipe 31 is divided into straight-through section and presents large, the inferior pyramidal section of lower little gathering shape, the central axis upright of described machine shaft 11 and the middle and lower part of machine shaft 11 and lowermost end are all inserted in the inner chamber being communicated with mounting pipe 31, and respectively with the upper straight-through section being communicated with mounting pipe 31, inferior pyramidal section is corresponding, and the lowermost end of machine shaft 11 is ball head structure, be coated with the first polyvinyl plastics respectively and overlap 32 on the sidewall of the middle and lower part of machine shaft 11 with on the sidewall of lowermost end, second polyvinyl plastics cover 33, drive sleeve 34 is provided with in connection mounting pipe 31, described drive sleeve 34 is divided into, lower two-part, the top of described drive sleeve 34 is one end open and the tube structure of hollow encase middle and lower part and the lowermost end of machine shaft 11, and it is fixing to be spirally connected between the middle and lower part of the inwall on the top of drive sleeve 34 and machine shaft 11, the bottom of described drive sleeve 34 is successively through being communicated with mounting pipe 31, mounting flange pipe 2 is until be connected as a single entity with valve lamellar body 21, sealing gasket 35 is provided with between the upper end and the lower end opening and closing motor cabinet 1 of connection mounting pipe 31, described upper sealing gasket 35 structure ringwise, and upper sealing gasket 35 seals up the upper end being communicated with mounting pipe 31, the inwall of flanged pipe 2 is positioned at valve lamellar body 21 place and is provided with annular groove, left in the bottom of annular groove, the right side is arranged with spring steel lamellar body 4, polyurethane water-proof sponge strip 5 is equipped with in the outside of spring steel lamellar body 4, upper left at the outer wall of mounting flange pipe 2, the right side is arranged with adjusting nut 6, and adjusting nut 6 props up the middle part of corresponding spring steel lamellar body 4 respectively, in the adjustment of reality, mainly through the adjustment of the press-in distance to adjusting nut 6, thus the bending of spring steel lamellar body 4 is adjusted, then the contact degree of tightness power of polyurethane water-proof sponge strip 5 can be made to be adjusted, play flexible sealing, the effect of flexible adjustment, offer in the bottom of the inwall of described flanged pipe 2 and embed draw-in groove 7, the lower end of described spring steel lamellar body 4 is circular arc curved shape and is inserted in embedding draw-in groove 7, embed draw-in groove 7 when the degree of tightness of spring steel lamellar body 4 regulates, the effect holding gap can be played.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this model utility technological thought, can carry out various change and amendment completely.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to right.
Claims (1)
1. a Novel hard-seal formula butterfly valve, comprise, the lower keying motor cabinet (1) that arranges respectively and mounting flange pipe (2), the machine shaft (11) of described keying motor cabinet (1) is rotationally connected with the valve lamellar body (21) in mounting flange pipe (2), it is characterized in that: between described keying motor cabinet (1) and mounting flange pipe (2), be provided with middle mounting assembly (3), described middle mounting assembly (3) have be positioned at open and close motor cabinet (1) be communicated with mounting pipe (31) with between mounting flange pipe (2), the inner chamber of described connection mounting pipe (31) is divided into straight-through section and presents large, the inferior pyramidal section of lower little gathering shape, the central axis upright of described machine shaft (11) and the middle and lower part of machine shaft (11) and lowermost end are all inserted in the inner chamber being communicated with mounting pipe (31), and respectively with the upper straight-through section being communicated with mounting pipe (31), inferior pyramidal section is corresponding, and the lowermost end of described machine shaft (11) is ball head structure, the first polyvinyl plastics cover (32) is coated with respectively on the sidewall of the middle and lower part of described machine shaft (11) with on the sidewall of lowermost end, second polyvinyl plastics cover (33), drive sleeve (34) is provided with in described connection mounting pipe (31), described drive sleeve (34) is divided into, lower two-part, the top of described drive sleeve (34) is one end open and the tube structure of hollow encase middle and lower part and the lowermost end of machine shaft (11), and it is fixing to be spirally connected between the middle and lower part of the inwall on the top of described drive sleeve (34) and machine shaft (11), the bottom of described drive sleeve (34) is successively through being communicated with mounting pipe (31), mounting flange pipe (2) is until be connected as a single entity with valve lamellar body (21), upper sealing gasket (35) is provided with between the upper end of described connection mounting pipe (31) and the lower end opening and closing motor cabinet (1), described upper sealing gasket (35) structure ringwise, and described upper sealing gasket (35) seals up the upper end being communicated with mounting pipe (31),
The inwall of described flanged pipe (2) is positioned at valve lamellar body (21) place and is provided with annular groove, left in the bottom of described annular groove, the right side is arranged with spring steel lamellar body (4), polyurethane water-proof sponge strip (5) is equipped with in the outside of described spring steel lamellar body (4), upper left at the outer wall of described mounting flange pipe (2), the right side is arranged with adjusting nut (6), and described adjusting nut (6) props up the middle part of corresponding spring steel lamellar body (4) respectively, offer in the bottom of the inwall of described flanged pipe (2) and embed draw-in groove (7), the lower end of described spring steel lamellar body (4) is circular arc curved shape and is inserted in embedding draw-in groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208712.2U CN204692609U (en) | 2015-04-09 | 2015-04-09 | A kind of Novel hard-seal formula butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208712.2U CN204692609U (en) | 2015-04-09 | 2015-04-09 | A kind of Novel hard-seal formula butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204692609U true CN204692609U (en) | 2015-10-07 |
Family
ID=54232907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520208712.2U Expired - Fee Related CN204692609U (en) | 2015-04-09 | 2015-04-09 | A kind of Novel hard-seal formula butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204692609U (en) |
-
2015
- 2015-04-09 CN CN201520208712.2U patent/CN204692609U/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: 20151007 Termination date: 20160409 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |