CN216643106U - Threaded connection's butt clamp butterfly valve - Google Patents
Threaded connection's butt clamp butterfly valve Download PDFInfo
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- CN216643106U CN216643106U CN202220095476.8U CN202220095476U CN216643106U CN 216643106 U CN216643106 U CN 216643106U CN 202220095476 U CN202220095476 U CN 202220095476U CN 216643106 U CN216643106 U CN 216643106U
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Abstract
The utility model discloses a thread-connected butt-clamping butterfly valve, which comprises a valve body, a disc plate arranged in the valve body and a rotating shaft arranged in the butterfly valve, and is characterized in that: the outer wall of valve body is provided with the disk seat, the inside of valve body is provided with the passageway that rivers link up, and passageway department installs the dish board of control rivers break-make, the inside of dish board is run through by the pivot of perpendicular installation, the pivot is provided with 2, is last pivot and lower pivot respectively, the embedded plug screw that installs of lower surface of valve body, and the lower extreme in the pivot is installed to the plug screw. This threaded connection's butt clamp butterfly valve, threaded connection is to pressing from both sides butterfly valve accessory is small in quantity, does not have the sealing accessory of easy wearing and tearing such as O type circle, and assembly efficiency is higher, and sealing performance is better, and life is longer. The upper rotating shaft is matched with the copper shaft sleeve, so that the product torque is smaller, and the opening and closing are smoother. The upper rotating shaft and the lower rotating shaft are matched with the disc plate through threads, so that the accessories can be conveniently replaced and fine adjustment of products can be facilitated.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a butt-clamping butterfly valve in threaded connection.
Background
The butterfly valve is one of the most commonly used valves in industrial production pipeline systems, and mainly comprises a valve body, a valve seat, a valve rod, a butterfly plate and a transmission device.
The sealing performance is guaranteed between the valve rod and the valve body through the rubber ring, and the valve rod rotates to wear rubber in the opening and closing process of the valve, so that the product is invalid.
At present, most butterfly valves are connected with a disc plate and a valve rod through pins or prisms, and when the butterfly valves are connected through the pins, the disc plate and the valve rod need to be provided with drilled holes, so that the butterfly valves are inconvenient to operate; when the prism connection is adopted, the valve rod needs special square cutting equipment, and the disc plate needs special square punching equipment.
Based on the structure, the utility model provides the oppositely-clamped butterfly valve in threaded connection.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a thread-connected butt-clamping butterfly valve which is of a double-rotating-shaft structure, and the matching part of the butterfly valve and a disk plate is provided with threads. The threads of the disc plate and the threads of the upper rotating shaft and the lower rotating shaft can be machined by a common lathe, and the soft seal of the mode of assembling the O-shaped ring is replaced by the hard seal between the rotating shaft and the valve body.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a threaded connection's butt clamp butterfly valve, includes the dish board of valve body and its inside installation to still including installing the pivot in butterfly valve inside, its characterized in that: the outer wall of valve body is provided with the disk seat, the inside of valve body is provided with the passageway that rivers link up, and passageway department installs the dish board of control rivers break-make, the inside of dish board is run through by the pivot of perpendicular installation, the pivot is provided with 2, is last pivot and lower pivot respectively, the embedded plug screw that installs of lower surface of valve body, and the lower extreme in the pivot is installed to the plug screw.
Preferably, the inside of inner wall is provided with the shaft hole about the valve body, and the aperture in shaft hole is the step, and wherein the shaft hole that is located the top is close to valve body top passageway position and is equipped with the copper bush, the embedded outside of installing at last pivot of copper bush.
Preferably, the valve seat is made of high-temperature wear-resistant rubber, and the valve seat and the valve body are of an integrally formed structure through a vulcanization process.
By adopting the design, the valve seats which are symmetrically arranged play a role in sealing the cavity inside the butterfly valve, so that the water flow inside the butterfly valve can overflow out conveniently.
Preferably, the valve seat surface is provided with a shaft hole, the shaft hole of the position is coincident with the shaft holes of the upper inner wall and the lower inner wall of the valve body, an upper rotating shaft is installed in the shaft hole above the valve seat surface, and a lower rotating shaft is installed in the shaft hole below the valve seat surface.
Preferably, the plate is a metal substrate, and the surface of the plate is subjected to electroplating treatment.
Preferably, a circular shaft hole which is vertically penetrated is formed in the disc plate, and threaded through holes with the same specification are formed in the shaft hole.
Preferably, the center of the threaded hole of the disc plate and the center of the shaft hole of the valve seat coincide with the center of the shaft hole on the surface of the valve body, the planes at the upper and lower shaft holes of the valve seat are respectively matched with the planes at the upper and lower shaft holes of the disc plate to form sealing specific pressure, and the channel of the valve seat is matched with the excircle of the disc plate to form sealing specific pressure.
Preferably, the lower part of the upper rotating shaft is provided with threads, the middle part of the upper rotating shaft is provided with an upper rotating shaft butterfly-shaped bulge which forms an included angle of 45 degrees with the central axis, and the upper part of the upper rotating shaft butterfly-shaped bulge is provided with an upper rotating shaft key groove.
The threads at the lower end of the upper rotating shaft are used for being matched with the upper end of the disc plate; the butterfly-shaped bulge of the upper rotating shaft is matched with the shaft hole of the valve body to form hard seal; go up the pivot keyway and executor cooperation, the operating valve is opened and close, can cooperate with special frock simultaneously, the pivot of screwing, and the optical axis part forms soft seal with the downthehole sealed waterline cooperation of shaft on the disk seat.
Preferably, the upper portion of lower pivot is equipped with the screw thread, and its middle part has the lower pivot butterfly arch that is 45 contained angles with the axis, and the lower part has the lower pivot keyway, and other positions are the optical axis.
The upper end threads of the lower rotating shaft are used for being installed in a matched mode with the lower end of the disc plate, the butterfly-shaped bulge of the lower rotating shaft is matched with the shaft hole of the valve body to form a hard seal, and the lower rotating shaft key groove is matched with a special tool to tightly screw the rotating shaft; the optical axis part is matched with a sealing waterline in the lower shaft hole of the valve seat to form soft sealing.
By adopting the design, the upper rotating shaft and the lower rotating shaft can be disassembled, and the upper rotating shaft and the lower rotating shaft can be disassembled from the upper side or the lower side, so that the maintenance and the replacement are convenient.
Compared with the prior art, the utility model has the beneficial effects that: this threaded connection's butt clamp butterfly valve: threaded connection is to pressing from both sides butterfly valve accessory quantity few, does not have the sealing accessory of easy wearing and tearing such as O type circle, and assembly efficiency is higher, and sealing performance is better, and life is longer. The upper rotating shaft is matched with the copper shaft sleeve, so that the product torque is smaller, and the opening and closing are smoother. The upper rotating shaft and the lower rotating shaft are matched with the disc plate through threads, so that the replacement of accessories and the fine adjustment of products are facilitated, the rotating shaft is thicker in diameter and higher in bearing capacity due to the double-rotating-shaft structure, the number of the accessories of the butterfly valve is small, the assembly is convenient, and the rotating shaft and the disc plate are matched through threads, so that the replacement and production of the accessories are facilitated.
Drawings
FIG. 1 is a front view of the overall structure of the threaded connection butterfly valve of the present invention;
FIG. 2 is a front view of the upper shaft of the threaded connection butterfly valve of the present invention.
FIG. 3 is a front view of the lower shaft of the threaded connection butterfly valve of the present invention.
In the figure: 1. a valve body; 2. a valve seat; 3. a plate;
4. an upper rotating shaft; 41. an upper rotating shaft key groove; 42. the upper rotating shaft is provided with a butterfly-shaped bulge;
5. a copper bush;
6. a lower rotating shaft; 61. a lower spindle key groove; 62. the lower rotating shaft is provided with a butterfly-shaped bulge;
7. and (4) a screw plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a threaded connection's butt clamp butterfly valve, the outer wall of valve body 1 is provided with disk seat 2, 2 materials of disk seat are high temperature wear-resistant rubber, and disk seat 2 is the integrated into one piece structure through vulcanization process and valve body 1, 2 surfaces of disk seat are provided with the shaft hole, and the shaft hole of this department and the shaft hole of inner wall about the valve body 1 set up for the coincidence, and install pivot 4 in the shaft hole of top, install pivot 6 down in the shaft hole of below, its leakproofness is strong, the pivot is when rotating, disk seat 2 plays sealed effect to valve body 1, avoid inside water to leak and spill over the outside of valve body 1, 3 screw hole centers of dish board and 2 center's shaft hole and the coincidence of 1 surperficial shaft hole center of valve body, the upper and lower shaft hole department plane of disk seat 2 respectively with 3 upper and lower shaft hole department plane cooperation of dish board, form sealed specific pressure, the passageway and the 3 excircle cooperation of dish board of disk seat 2, form sealed specific pressure.
The inside of valve body 1 is provided with the passageway that rivers link up, and passageway department installs the dish board 3 of control rivers break-make, and dish board 3 adopts metal base member, and electroplating process is carried out on its surface, increase anticorrosive ability to make the surface smooth, its leakproofness is better, and the inside of dish board 3 is provided with the circular shaft hole of lining up perpendicularly, and the inside in shaft hole is equipped with same specification screw thread through-hole
The inside of dish board 3 is run through by the pivot of perpendicular installation, and the pivot is provided with 2, is last pivot 4 and lower pivot 6 respectively, and the lower surface embedded type of valve body 1 installs plug screw 7, and plug screw 7 installs the lower extreme in the pivot.
The inside of the upper and lower inner wall of the valve body 1 is provided with a shaft hole, the aperture of the shaft hole is stepped, wherein the shaft hole positioned above is provided with a copper shaft sleeve 5 close to the channel position above the valve body 1, and the copper shaft sleeve 5 is embedded and installed on the outer side of the upper rotating shaft 4.
The lower part of the upper rotating shaft 4 is provided with threads, the middle part is provided with an upper rotating shaft butterfly-shaped bulge 42 which forms an included angle of 45 degrees with the central axis, and the upper part is provided with an upper rotating shaft key groove 41. Wherein, the thread at the lower end of the upper rotating shaft 4 is used for being matched and installed with the upper end of the disc plate 3; the butterfly-shaped bulge 42 of the upper rotating shaft is matched with the shaft hole of the valve body to form hard seal; go up pivot keyway 41 and executor cooperation, the operation valve is opened and close, simultaneously can cooperate with special frock, the pivot of screwing, the sealed waterline cooperation in axle hole in optical axis part and 2 disk seats, form soft seal, this butterfly valve is at the during operation, cooperate the installation through going up pivot keyway 41 and external driving piece, thereby through going up pivot keyway 41 and can controlling the rotation of going up pivot 4, it rotates to go up to drive dish 3 after 4 rotations of pivot, lower pivot 6 of dish 3 drive below rotates, thereby make whole dish 3 rotate, the effect of opening the valve is accomplished.
The upper part of the lower rotating shaft 6 is provided with threads, the middle part of the lower rotating shaft is provided with a lower rotating shaft butterfly-shaped bulge 62 forming an included angle of 45 degrees with the central axis, the lower part of the lower rotating shaft butterfly-shaped bulge is provided with a lower rotating shaft key groove 61, and the rest parts are optical axes. Wherein, the upper end thread of the lower rotating shaft 6 is used for being matched and installed with the lower end of the disc plate 3, the butterfly-shaped bulge 62 of the lower rotating shaft is matched with the shaft hole of the valve body 1 to form hard seal, and the key groove 61 of the lower rotating shaft is matched with a special tool to screw the rotating shaft; the optical axis part is matched with a sealing waterline in a lower shaft hole of the valve seat 2 to form soft sealing. Utilize the instrument to block lower pivot keyway 61, can rotate lower pivot 6 to dismantle it, be convenient for change the part of inside, be convenient for simultaneously to the inside of valve body 1 clear rust.
The working principle is as follows: when using this threaded connection's butt clamp butterfly valve, insert the inside of valve body 1 under the lower pivot 6 follow, the inside screw thread through-hole of dish board 3 is installed, later go up pivot 4 and insert inside the dish board 3 from the top, the screw thread through setting up cooperates the installation, and the lower extreme of going up pivot 4 inserts the upper end of pivot 6 down, both carry out nested installation, when arbitrary one axle and dish board 3 when the rotation carries out the screw thread installation, the lower extreme of going up pivot 4 carries out the free rotation in the inside of pivot 6 down, both can not form and interfere, holistic practicality has been increased.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a threaded connection's butt clamp butterfly valve, includes valve body (1) and its inside dish board (3) of installation to still including installing the pivot in butterfly valve inside, its characterized in that: the outer wall of valve body (1) is provided with disk seat (2), the inside of valve body (1) is provided with the passageway that rivers link up, and passageway department installs dish board (3) of control rivers break-make, the inside of dish board (3) is run through by the pivot of perpendicular installation, the pivot is provided with 2, is last pivot (4) and lower pivot (6) respectively, the lower surface embedded type of valve body (1) installs plug screw (7), and plug screw (7) install the lower extreme in the pivot.
2. A threaded connection butt-clamp butterfly valve according to claim 1, wherein: the inside of inner wall is provided with the shaft hole about valve body (1), and the aperture in shaft hole is the step, and wherein the shaft hole that is located the top is close valve body (1) top passageway position and is equipped with copper axle sleeve (5), the outside at last pivot (4) is installed to copper axle sleeve (5) embedded.
3. A threaded connection butt-clamp butterfly valve according to claim 1, wherein: the valve seat (2) is made of high-temperature wear-resistant rubber, and the valve seat (2) and the valve body (1) are of an integrally formed structure through a vulcanization process.
4. A threaded connection butt-clamp butterfly valve according to claim 1, wherein: the surface of the valve seat (2) is provided with a shaft hole, the shaft hole at the position is coincident with the shaft hole of the upper inner wall and the lower inner wall of the valve body (1), an upper rotating shaft (4) is installed in the shaft hole at the upper part, and a lower rotating shaft (6) is installed in the shaft hole at the lower part.
5. A threaded connection butt-clamp butterfly valve according to claim 1, wherein: the disc plate (3) adopts a metal matrix, and the surface of the metal matrix is subjected to electroplating treatment.
6. A threaded connection butt-clamp butterfly valve according to claim 1, wherein: the inside of dish board (3) is provided with the circular shaft hole of perpendicular link up to the inside in shaft hole is equipped with same specification screw thread through-hole.
7. A threaded connection butt-clamp butterfly valve according to claim 1, wherein: the center of the threaded hole of the disc plate (3) and the center of the valve seat (2) are coincided with the center of the shaft hole on the surface of the valve body (1), the plane at the upper shaft hole and the lower shaft hole of the valve seat (2) is matched with the plane at the upper shaft hole and the lower shaft hole of the disc plate (3) respectively to form sealing specific pressure, and the channel of the valve seat (2) is matched with the excircle of the disc plate (3) to form sealing specific pressure.
8. A threaded connection butt-clamp butterfly valve according to claim 1, wherein: the lower part of the upper rotating shaft (4) is provided with threads, the middle part is provided with an upper rotating shaft butterfly-shaped bulge (42) which forms an included angle of 45 degrees with the central axis, the upper part is provided with an upper rotating shaft key groove (41),
the threads at the lower end of the upper rotating shaft (4) are used for being matched with the upper end of the disc plate (3); the butterfly-shaped bulge (42) of the upper rotating shaft is matched with the shaft hole of the valve body (1) to form hard seal; go up pivot keyway (41) and executor cooperation, the operating valve is opened and close, can cooperate with special frock simultaneously, and the pivot of screwing, optical axis part and the downthehole sealed waterline cooperation of shaft on disk seat (2) form soft seal.
9. A threadedly connected butt-clamp butterfly valve according to claim 1, wherein: the upper part of the lower rotating shaft (6) is provided with threads, the middle part of the lower rotating shaft is provided with a lower rotating shaft butterfly-shaped bulge (62) which forms an included angle of 45 degrees with the central axis, the lower part of the lower rotating shaft butterfly-shaped bulge is provided with a lower rotating shaft key groove (61), and the rest parts are optical axes,
the upper end threads of the lower rotating shaft (6) are used for being installed in a matched mode with the lower end of the disc plate (3), the butterfly-shaped protrusion (62) of the lower rotating shaft is matched with the shaft hole of the valve body (1) to form hard seal, the lower rotating shaft key groove (61) is matched with a special tool, and the rotating shaft is screwed tightly; the light axis part is matched with a sealing waterline in a lower shaft hole of the valve seat (2) to form soft sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220095476.8U CN216643106U (en) | 2022-01-14 | 2022-01-14 | Threaded connection's butt clamp butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220095476.8U CN216643106U (en) | 2022-01-14 | 2022-01-14 | Threaded connection's butt clamp butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216643106U true CN216643106U (en) | 2022-05-31 |
Family
ID=81727088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220095476.8U Active CN216643106U (en) | 2022-01-14 | 2022-01-14 | Threaded connection's butt clamp butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216643106U (en) |
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2022
- 2022-01-14 CN CN202220095476.8U patent/CN216643106U/en active Active
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