CN210600214U - Handle fluted disc butterfly valve - Google Patents
Handle fluted disc butterfly valve Download PDFInfo
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- CN210600214U CN210600214U CN201921648980.0U CN201921648980U CN210600214U CN 210600214 U CN210600214 U CN 210600214U CN 201921648980 U CN201921648980 U CN 201921648980U CN 210600214 U CN210600214 U CN 210600214U
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Abstract
The utility model discloses a handle fluted disc butterfly valve. A handle fluted disc butterfly valve comprises a valve body, a valve seat, an upper valve rod rotating shaft and a lower valve rod rotating shaft, wherein the upper valve rod rotating shaft is a rotation limiting device relative to the valve body, and the upper valve rod rotating shaft is an elastic cylindrical pin relative to the rotation limiting device of the valve body; the valve body and the valve seat longitudinal jacking device are 2 flat-end fastening screws. The axial sealing connection and fastening of the handle fluted disc butterfly valve body and the rotating shaft on the valve rod of the utility model are conveniently realized; the disassembly and replacement of the rotating shaft on the valve rod are conveniently realized, and the axial sealing property of the valve body and the rotating shaft on the valve rod is improved; the damaged handle fluted disc butterfly valve seat is conveniently detached and replaced, and the pollution to the environment is also eliminated.
Description
Technical Field
The utility model belongs to a butterfly valve especially belongs to a handle fluted disc butterfly valve.
Background
The handle fluted disc butterfly valve mostly comprises a valve body, a valve seat, a butterfly plate, a handle, a fluted disc, a top flange, a valve rod upper rotating shaft, the butterfly plate and a valve rod lower rotating shaft. At present, axial sealing connection and fastening of a valve body and an upper rotating shaft of a valve rod of an existing handle fluted disc butterfly valve are mostly realized by matching and installing a hole clamp spring and a hole clamp spring matched shaft with a clamp spring or a U-shaped clamp plate, the connecting mode considers the butterfly plate and the valve body on the basis of matching of sizes of the upper rotating shaft and the butterfly plate of the valve rod, the matching relation is complex due to matching of the installation sizes of the upper rotating shaft and the valve body of the valve rod, the problem that the size design requirement of the upper rotating shaft of the valve rod is high is solved, and meanwhile, more parts are needed to be matched to; in addition, the existing butterfly valve body used for the tail end of the pipeline generally adopts a vulcanization integrated rubber coating process with the butterfly valve body and the valve seat in order to guarantee the tightness and the sealing performance of the valve seat, so that the integrity and the stability of the butterfly valve body and the valve seat are improved, and the risk of falling off of the valve seat is avoided. Although the structure that the integral encapsulation technology is done with the disk seat to butterfly valve body and valve seat promotes butterfly valve body, the wholeness, the steadiness of disk seat, nevertheless when the disk seat damages when appearing crackle etc. and need dismantle the change with the disk seat, need change the disk seat after burning off the rubber coating layer of disk seat and vulcanize the rubber coating again, not only the disk seat is changed the difficulty, and the way of burning off the disk seat rubber coating layer still can the polluted environment. How to conveniently realize the axial sealing connection and fastening of the handle fluted disc butterfly valve body and the rotating shaft on the valve rod, improve the axial sealing performance of the rotating shaft on the valve body and the valve rod, and conveniently realize the disassembly and replacement of the rotating shaft on the valve rod; how promote butterfly valve body and disk seat wholeness, steadiness, prevent the risk that the disk seat drops, still convenient realization is dismantled the change to damaging the butterfly valve disk seat, reduces butterfly valve disk seat vulcanization rubber coating material consumption, still not causing the problem that the pollution needs to be solved to the environment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a handle fluted disc butterfly valve is provided. The axial sealing connection and fastening of the handle fluted disc butterfly valve body and the rotating shaft on the valve rod can be conveniently realized by using the butterfly valve, the axial sealing performance of the rotating shaft on the valve body and the valve rod is improved, and the rotating shaft on the valve rod can be conveniently detached and replaced; can promote butterfly valve body and disk seat wholeness, steadiness, prevent that the risk that the disk seat drops from appearing, the realization that can also be convenient is dismantled the change to damaging the butterfly valve disk seat, reduces butterfly valve disk seat vulcanization rubber coating material and consumes, still does not cause the pollution to the environment.
The utility model provides a technical scheme of above-mentioned technical problem is: the utility model provides a handle fluted disc butterfly valve, pivot under the valve rod on valve body, disk seat, butterfly plate, handle, fluted disc, top flange, the valve rod, the valve body has shaft hole, lower shaft hole, characterized by: the valve also comprises a rotation limiting device of the rotating shaft on the valve rod relative to the valve body; the rotation limiting device of the upper rotating shaft of the valve rod relative to the valve body is an elastic cylindrical pin, a blind hole which is in interference fit with the elastic cylindrical pin is arranged on a neck of the valve body, a semicircular annular groove is arranged on the rotating shaft on the valve rod at the position corresponding to the blind hole arranged on the neck of the valve body, the diameter of the semicircular annular groove arranged on the rotating shaft on the valve rod is consistent with that of the blind hole arranged on the neck of the valve body, when the upper rotating shaft of the valve rod is inserted into the upper shaft hole of the valve body, the blind hole arranged on the neck of the valve body coincides with the center of the cross section of the semicircular arc annular groove arranged on the upper rotating shaft of the valve rod, when the elastic cylindrical pin is pushed into the neck of the valve body from a blind hole formed in the neck of the valve body by using external force, the elastic cylindrical pin can be in rotating fit with the surface of the semicircular arc-shaped annular groove formed in the rotating shaft on the valve rod, and the elastic cylindrical pin is in rotating fit with the surface of the semicircular arc-shaped annular groove formed in the rotating shaft on the valve rod, so that the upper rotating shaft of the valve rod can be axially limited and fixed relative to the valve body; the valve also comprises a valve rod upper rotating shaft and a valve body sealing device; the sealing device for the upper rotating shaft of the valve rod and the valve body is a rubber sealing ring, the vertical section of the rubber sealing ring is in an ear shape, an annular pit matched with the rubber sealing ring with the ear shape in the vertical section is arranged on the inner wall of the upper end part of the upper shaft hole of the valve body, when the upper rotating shaft of the valve rod sleeved with the rubber sealing ring with the ear shape in the vertical section is inserted into the upper shaft hole of the valve body, the rubber sealing ring with the ear shape in the vertical section sleeved on the upper rotating shaft of the valve rod can be inserted into the annular pit arranged on the inner wall of the upper end part of the upper shaft hole of the valve body, when the top flange is fixed on the upper top surface of the neck of the valve body by using a bolt, the top flange can compress the rubber sealing ring with the ear shape in the vertical section sleeved on;
the valve body and the valve seat longitudinal jacking device are 2 flat-end fastening screws, screw holes matched with the flat-end fastening screws are respectively arranged on the transverse central axis of the left side wall and the right side wall of the valve body, the 2 flat-end fastening screws are respectively arranged in screw holes respectively arranged on the transverse central axis of the left side wall and the right side wall of the valve body, the 2 flat-end fastening screws which are respectively arranged in the screw holes on the transverse central axis of the left side wall and the right side wall of the valve body are screwed, and the 2 flat-end fastening screws can longitudinally jack the valve seat arranged in the valve body.
The utility model has the advantages that: because the utility model is provided with the rotation limiting device of the rotating shaft on the valve rod relative to the valve body; the rotating shaft on the valve rod is an elastic cylindrical pin relative to the rotating limiting device of the valve body, a blind hole which is in interference fit with the elastic cylindrical pin is arranged on a neck of the valve body, a semi-circular ring groove is arranged at the position of the rotating shaft on the valve rod, which corresponds to the blind hole arranged on the neck of the valve body, the diameter of the semi-circular ring groove arranged on the rotating shaft on the valve rod is consistent with the diameter of the blind hole arranged on the neck of the valve body, when the upper rotating shaft of the valve rod is inserted into the upper shaft hole of the valve body, the blind hole arranged on the neck of the valve body coincides with the center of the vertical section of the semicircular annular groove arranged on the upper rotating shaft of the valve rod, when the elastic cylindrical pin is pushed into the neck of the valve body from a blind hole formed in the neck of the valve body by using external force, the elastic cylindrical pin can be in rotating fit with the surface of the semicircular arc-shaped annular groove formed in the rotating shaft on the valve rod, and the elastic cylindrical pin is in rotating fit with the surface of the semicircular arc-shaped annular groove formed in the rotating shaft on the valve rod, so that the upper rotating shaft of the valve rod can be axially limited and fixed relative to the valve body; a sealing device of the valve rod upper rotating shaft and the valve body is also arranged; the rotating shaft and the valve body sealing device on the valve rod are rubber sealing rings, and the vertical sections of the rubber sealing rings are ear-shaped. The elastic cylindrical pin is in running fit with the surface of the semicircular arc annular groove arranged on the rotating shaft on the valve rod, so that the limit connection tightness and the axial stability of the elastic cylindrical pin and the rotating shaft on the valve rod are realized; the axial sealing connection and fastening of the handle fluted disc butterfly valve body and the rotating shaft on the valve rod of the utility model are conveniently realized; when the rotating shaft on the valve rod needs to be replaced, the elastic cylindrical pin can be conveniently detached and then the rotating shaft on the valve rod can be taken out. The disassembly and replacement of the rotating shaft on the valve rod are conveniently realized; when the top flange is fixed on the neck of the valve body by using bolts, the top flange can compress the rubber sealing ring with the ear-shaped vertical section sleeved on the rotating shaft on the valve rod, so that the sealing of the rotating shaft on the valve rod and the valve body by the rubber sealing ring with the ear-shaped vertical section is realized; meanwhile, as the neck of the valve body is provided with the blind hole which is in interference fit with the elastic cylindrical pin, the leakage risk of the valve body and the rotary shaft on the valve rod is prevented; the axial sealing performance of the valve body and the rotating shaft on the valve rod is improved. The utility model discloses elasticity cylindric lock has replaced jump ring, flat gasket, valve body annular isotructure and has made the utility model discloses handle fluted disc butterfly valve has cancelled more complicated machining process, has reduced accessory quantity. Compared with a clamp spring matching structure of a traditional handle fluted disc butterfly valve, the clamp spring matching structure is simpler and is convenient to process. The utility model discloses the butterfly valve has effectively prevented that the pivot from deviating from the phenomenon in shaft hole on the valve body from taking place on the valve rod.
Because the utility model discloses still set up the vertical tight device in top of valve body and disk seat, the valve body is 2 flush end fastening screw with the vertical tight device in top of disk seat, and 2 flush end fastening screw install respectively on the horizontal axis of valve body left and right sides body wall in the screw hole that sets up respectively, screw and install respectively on the horizontal axis of valve body left and right sides body wall in the screw hole 2 flush end fastening screw, 2 flush end fastening screw can be with the vertical tight of disk seat top of this valve body interior installation. The utility model discloses 2 flat end fastening screws of handle fluted disc butterfly valve exert the longitudinal axial force to the valve seat in the body wall screw hole of the left and right sides of valve body, play the longitudinal fastening effect to the valve seat, when dismantling the change to damaging the valve seat, 2 flat end fastening screws of reverse rotation, convenient realization is dismantled the change to damaging handle fluted disc butterfly valve seat; the handle fluted disc butterfly valve of the utility model has the characteristics of the integration and the stability of the integrated rubber-coated valve body and the valve seat of the traditional handle fluted disc butterfly valve and also has the characteristics of convenience and detachability; the utility model discloses 2 flat end fastening screws of handle fluted disc butterfly valve have replaced the integrative rubber coating of traditional handle fluted disc butterfly valve, have cancelled the comparatively complicated processing technology of traditional handle fluted disc butterfly valve, simple structure, and no longer need burn the rubber coating layer and vulcanize the rubber coating again to damaging the disk seat, have reduced the utility model discloses handle fluted disc butterfly valve manufacturing cost has still eliminated the pollution to the environment.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a left side view of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
in the drawings: 1. the valve comprises a valve body, 2 valve seats, 3 butterfly plates, 4 handles, 5 fluted discs, 6 top flanges, 7 valve rod upper rotating shafts, 8 valve rod lower rotating shafts, 9 elastic cylindrical pins, 71 semi-circular arc annular grooves, 10 vertical cross sections of lug-shaped rubber sealing rings and 11 flat-end fastening screws.
Detailed Description
The present invention will be described in further detail with reference to the following examples.
Example 1
As shown in fig. 1, fig. 2 and fig. 3, a handle fluted disc butterfly valve comprises a valve body 1, a valve seat 2, a butterfly plate 3, a handle 4, a fluted disc 5, a top flange 6, a valve rod upper rotating shaft 7, a valve rod lower rotating shaft 8, wherein the valve body 1 is provided with an upper shaft hole and a lower shaft hole, and is characterized in that: the valve also comprises a rotation limiting device of the rotating shaft on the valve rod relative to the valve body; the rotation limiting device of the rotating shaft on the valve rod relative to the valve body is an elastic cylindrical pin 9, a blind hole which is in interference fit with the elastic cylindrical pin 9 is arranged on a neck of the valve body 1, a semicircular annular groove 71 is arranged on the position, corresponding to the blind hole arranged on the neck of the valve body 1, of the rotating shaft 7 on the valve rod, the diameter of the semicircular annular groove 71 arranged on the rotating shaft 7 on the valve rod is consistent with that of the blind hole arranged on the neck of the valve body 1, when the rotating shaft 7 on the valve rod is inserted into an upper shaft hole of the valve body 1, the blind hole arranged on the neck of the valve body 1 is superposed with the circle center of the cross section of the semicircular annular groove 71 arranged on the rotating shaft 7 on the valve rod, when the elastic cylindrical pin 9 is pushed into the neck of the valve body 1 from the blind hole arranged on the neck of the valve body 1 by external force, the elastic cylindrical pin 9 can realize, the elastic cylindrical pin 9 is in running fit with the surface of the semi-circular arc annular groove 71 arranged on the upper rotating shaft 7 of the valve rod, so that the upper rotating shaft 7 of the valve rod can be axially limited and fixed relative to the valve body 1; the valve also comprises a valve rod upper rotating shaft and a valve body sealing device; the sealing device of the rotating shaft and the valve body on the valve rod is a rubber sealing ring, the vertical section of the rubber sealing ring is ear-shaped, the inner wall of the upper end part of the shaft hole on the valve body 1 is provided with an annular pit matched with the rubber sealing ring 10 with the ear-shaped vertical section, when the upper rotating shaft 7 of the valve rod sleeved with the rubber sealing ring 10 with the vertical section in the shape of the ear is inserted into the upper shaft hole of the valve body 1, a rubber sealing ring 10 which is sleeved on a rotating shaft 7 on the valve rod and has a vertical section in an ear shape can be inserted into an annular pit arranged on the inner wall of the upper end part of an shaft hole on the valve body 1, when the top flange 6 is fixed on the top surface of the neck of the valve body 1 by using bolts, the top flange 6 can press the rubber sealing ring 10 with the ear-shaped vertical section sleeved on the rotating shaft 7 on the valve rod, and the rubber sealing ring 10 with the ear-shaped vertical section can sequentially seal the rotating shaft 7 on the valve rod and the valve body 1;
still include the vertical tight device in top of valve body and disk seat, the valve body is 2 flush end fastening screw 11 with the vertical tight device in top of disk seat, be provided with on the horizontal axis of 1 left and right sides body wall of this valve body respectively with flush end fastening screw 11 matched with screw hole (the observer is in the face of this utility model, the observer left side is valve body left side body wall, the observer right side is valve body right side body wall), 2 flush end fastening screw 11 install respectively on the horizontal axis of 1 left and right sides body wall of valve body in the screw hole that sets up respectively, screw and install respectively 2 flush end fastening screw 11 in the screw hole on the horizontal axis of 1 left and right sides body wall of valve body, 2 flush end fastening screw can be with the vertical tight of 2 top of disk seats of this 1 interior installation of valve body.
From the above description, those skilled in the art can make various changes and modifications without departing from the technical spirit of the present invention, and the present invention is within the protection scope of the present invention. The present invention is not to be considered as the best thing, and belongs to the common general knowledge of the technicians in the field.
Claims (2)
1. The utility model provides a handle fluted disc butterfly valve, pivot under the valve rod on valve body, disk seat, butterfly plate, handle, fluted disc, top flange, the valve rod, the valve body has shaft hole, lower shaft hole, characterized by: the valve also comprises a rotation limiting device of the rotating shaft on the valve rod relative to the valve body; the rotating shaft on the valve rod is an elastic cylindrical pin relative to the rotation limiting device of the valve body, a blind hole which is in interference fit with the elastic cylindrical pin is arranged on a neck of the valve body, a semicircular annular groove is arranged at a position of the rotating shaft on the valve rod, which corresponds to the blind hole arranged on the neck of the valve body, and the diameter of the semicircular annular groove arranged on the rotating shaft on the valve rod is consistent with that of the blind hole arranged on the neck of the valve body; the valve also comprises a valve rod upper rotating shaft and a valve body sealing device; the rotary shaft and the valve body sealing device on the valve rod are rubber sealing rings, the vertical sections of the rubber sealing rings are ear-shaped, and annular pits matched with the ear-shaped rubber sealing rings with the vertical sections are arranged on the inner wall of the upper end part of the shaft hole in the valve body.
2. The handle fluted disc butterfly valve of claim 1, wherein: the handle fluted disc butterfly valve further comprises a valve body and valve seat longitudinal jacking device, the valve body and valve seat longitudinal jacking device is 2 flat-end fastening screws, screw holes matched with the flat-end fastening screws are respectively arranged on the transverse central axes of the left side wall and the right side wall of the valve body, and the 2 flat-end fastening screws are respectively arranged in the screw holes respectively arranged on the transverse central axes of the left side wall and the right side wall of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648980.0U CN210600214U (en) | 2019-09-29 | 2019-09-29 | Handle fluted disc butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648980.0U CN210600214U (en) | 2019-09-29 | 2019-09-29 | Handle fluted disc butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210600214U true CN210600214U (en) | 2020-05-22 |
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ID=70697497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921648980.0U Active CN210600214U (en) | 2019-09-29 | 2019-09-29 | Handle fluted disc butterfly valve |
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| Country | Link |
|---|---|
| CN (1) | CN210600214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645362A (en) * | 2019-09-29 | 2020-01-03 | 济南迈克阀门科技有限公司 | Handle fluted disc butterfly valve |
-
2019
- 2019-09-29 CN CN201921648980.0U patent/CN210600214U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645362A (en) * | 2019-09-29 | 2020-01-03 | 济南迈克阀门科技有限公司 | Handle fluted disc butterfly valve |
| CN110645362B (en) * | 2019-09-29 | 2024-02-02 | 济南迈克阀门科技有限公司 | Handle fluted disc butterfly valve |
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