CN210372055U - Butterfly valve with good air tightness - Google Patents
Butterfly valve with good air tightness Download PDFInfo
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- CN210372055U CN210372055U CN201921282296.5U CN201921282296U CN210372055U CN 210372055 U CN210372055 U CN 210372055U CN 201921282296 U CN201921282296 U CN 201921282296U CN 210372055 U CN210372055 U CN 210372055U
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- valve
- gasket
- valve body
- positioning groove
- valve plate
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Abstract
The utility model discloses a butterfly valve that gas tightness is good, including valve body, valve rod, screw and enhancement gasket, the valve body inner wall lock joint has the sealing washer, and is provided with the valve plate in the valve body, the one end of valve rod extends to in the valve body, three positioning groove has been seted up to the one end of valve rod, and is adjacent positioning groove's interval equals, it is three to strengthen the gasket altogether the mid point punishment of strengthening the gasket compresses tightly in three positioning groove respectively, the both ends of strengthening the gasket have all been welded the screw hole piece, be connected through the screw fastening between screw hole piece and the valve plate, the top of valve body is connected with actuating mechanism. The utility model discloses, three enhancement gasket makes the valve plate structure compacter durable, is difficult for appearing warping, also is convenient for strengthen the separation of gasket and valve plate simultaneously, is convenient for dismantle the valve plate, and then makes the sealing washer dismantle with the facility of installation ten minutes, replaces the sealing washer that ages, makes the butterfly valve have good leakproofness.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a butterfly valve that gas tightness is good.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. The butterfly valve is a valve commonly used, is called a flap valve, is a regulating valve with a simple structure, and can be used for switching control of low-pressure pipeline media, and is a valve which is opened and closed by rotating around a valve shaft and taking a closing member (a valve clack or a butterfly plate) as a disc.
Traditional butterfly valve is in long-time use, because the sealing washer is made by rubber, the ageing phenomenon easily appears with medium contact for a long time, and then has influenced the leakproofness between valve plate and the valve body, the phenomenon of medium leakage easily appears.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a butterfly valve that gas tightness is good aims at improving because the sealing washer is that rubber makes, and ageing phenomenon easily appears with the medium contact for a long time, and then has influenced the leakproofness between valve plate and the valve body, the problem of the phenomenon of medium leakage easily appears.
The utility model discloses a realize like this:
the utility model provides a butterfly valve that gas tightness is good, includes valve body, valve rod, screw and strengthens the gasket, valve body inner wall lock joint has the sealing washer, and is provided with the valve plate in the valve body, the one end of valve rod extends to in the valve body, and the one end of valve rod is located the front end of valve plate, three positioning groove has been seted up to the one end of valve rod, and is adjacent positioning groove's interval equals, it is equipped with threely to strengthen the gasket altogether the mid point punishment of strengthening the gasket do not compresses tightly in three positioning groove, the both ends of strengthening the gasket have all been welded the screw hole piece, through screw fastening connection between screw hole piece and the valve plate, the top of valve body is connected.
Furthermore, the other end of the valve rod is connected with an executing mechanism, the output end of the executing mechanism is connected with an output rotating shaft, and one end of the output rotating shaft is connected with a hand wheel.
Furthermore, the lateral surface bolted connection of hand wheel has three rotary rod, and is adjacent the interval of rotary rod equals.
Further, the outside welding of valve body has the installation piece, and the installation piece is equipped with four altogether, and the interval of adjacent installation piece equals.
Furthermore, mounting holes are formed in the mounting pieces.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model (1), because the one end of valve rod is located the front end of valve plate, and the one end of valve rod has seted up three positioning groove, adjacent positioning groove's interval equals, three mid point punishment of strengthening the gasket do not compresses tightly in three positioning groove simultaneously, the both ends of strengthening the gasket have all been welded the screw hole piece, the screw hole piece all is connected through the screw fastening with the front end of valve plate, three strengthening the gasket makes the valve plate structure compacter durable, be difficult for appearing warping, also be convenient for strengthen the separation of gasket and valve plate simultaneously, be convenient for dismantle the valve plate, and then make the sealing washer dismantle with install very facility, replace ageing sealing washer, make the butterfly valve have good leakproofness, use safe and reliable more.
(2) The lateral surface bolted connection through the hand wheel has three rotary rod, and is adjacent the interval of rotary rod equals, makes rotatory hand wheel labour saving and time saving more, is convenient for to the opening and closing of valve plate, makes the butterfly valve control convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the hand wheel of the present invention;
fig. 3 is a schematic view of the valve plate structure of the present invention.
In the figure: 1. a valve body; 2. a seal ring; 3. a valve plate; 4. mounting a sheet; 5. a valve stem; 6. an actuator; 7. an output shaft; 8. a hand wheel; 9. rotating the rod; 10. a positioning groove; 11. a screw; 12. a reinforcing gasket; 13. a screw hole block; 14. and (7) installing holes.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a butterfly valve with good air tightness comprises a valve body 1, a valve rod 5, screws 11 and reinforcing gaskets 12, wherein a sealing ring 2 is buckled on the inner wall of the valve body 1, a valve plate 3 is arranged in the valve body 1, the valve plate 3 is convenient to detach, the sealing ring 2 is convenient to detach and mount, the aged sealing ring 2 is replaced, the butterfly valve has good sealing performance and is safer and more reliable to use, one end of the valve rod 5 extends into the valve body 1, one end of the valve rod 5 is positioned at the front end of the valve plate 3, three positioning grooves 10 are formed in one end of the valve rod 5, the distances between the adjacent positioning grooves 10 are equal, the reinforcing gaskets 12 are three, the middle points of the three reinforcing gaskets 12 are respectively pressed in the three positioning grooves 10, screw hole blocks 13 are welded at the two ends of the reinforcing gaskets 12, and the screw hole blocks 13 are fastened and connected with the, the three reinforcing gaskets 12 enable the valve plate 3 to be more compact and firm in structure and not easy to deform, and the top end of the valve body 1 is connected with an actuating mechanism 6.
The other end of the valve rod 5 is connected with an actuating mechanism 6, the output end of the actuating mechanism 6 is connected with an output rotating shaft 7, and one end of the output rotating shaft 7 is connected with a hand wheel 8.
The lateral surface bolted connection of hand wheel 8 has three rotary rod 9, and the interval of adjacent rotary rod 9 equals, makes rotary hand wheel 8 labour saving and time saving more, is convenient for to the opening and closing of valve plate 3, makes the butterfly valve control convenient.
The lateral surface welding of valve body 1 has installation piece 4, and installation piece 4 is equipped with four altogether, and the interval of adjacent installation piece 4 equals, because the lateral surface welding of valve body 1 has four installation pieces 4, utilizes the bolt to pass four installation pieces 4 and is convenient for be connected valve body 1 and two pipelines.
The mounting plate 4 is provided with mounting holes 14.
The working principle is as follows: when the butterfly valve is used, the hand wheel 8 can be rotated to drive the output rotating shaft 7 to rotate, three rotating rods 9 are connected to the outer side surface of the hand wheel 8 through bolts, the rotating hand wheel 8 is more time-saving and labor-saving, one end of the output rotating shaft 7 is connected with the actuating mechanism 6, the bottom end of the actuating mechanism 6 is connected with the valve rod 5, the valve rod 5 drives the valve plate 3 to rotate, the butterfly valve is controlled, meanwhile, the inner wall of the valve body 1 is buckled with the sealing ring 2, one end of the valve rod 5 is provided with three positioning grooves 10, the distance between the adjacent positioning grooves 10 is equal, the three reinforcing gaskets 12 are arranged, the middle points of the three reinforcing gaskets 12 are respectively pressed in the three positioning grooves 10, the two ends of each reinforcing gasket 12 are respectively welded with a screw hole block 13, the screw hole blocks 13 are fixedly connected with the valve plate 3 through screws 11, the three reinforcing gaskets 12 enable the structure of the valve plate, therefore, the seal ring 2 is convenient to disassemble and assemble, and the aged seal ring 2 is replaced, so that the butterfly valve has good sealing performance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a butterfly valve that gas tightness is good, includes valve body (1), valve rod (5), screw (11) and strengthens gasket (12), its characterized in that: valve body (1) inner wall lock joint has sealing washer (2), and is provided with valve plate (3) in valve body (1), the one end of valve rod (5) extends to in valve body (1), and the one end of valve rod (5) is located the front end of valve plate (3), three positioning groove (10) have been seted up to the one end of valve rod (5), and are adjacent the interval of positioning groove (10) equals, it is equipped with threely, three to strengthen gasket (12) altogether the mid point punishment of strengthening gasket (12) do not compresses tightly in three positioning groove (10), the both ends of strengthening gasket (12) all weld screw hole piece (13), through screw (11) fastening connection between screw hole piece (13) and valve plate (3).
2. The butterfly valve with good air tightness according to claim 1, characterized in that the other end of the valve rod (5) is connected with an actuator (6), the output end of the actuator (6) is connected with an output rotating shaft (7), and one end of the output rotating shaft (7) is connected with a hand wheel (8).
3. The butterfly valve with good air tightness as claimed in claim 2, wherein three rotating rods (9) are bolted to the outer side surface of the hand wheel (8), and the distance between every two adjacent rotating rods (9) is equal.
4. The butterfly valve with good air tightness as claimed in claim 1, wherein four mounting pieces (4) are welded on the outer side surface of the valve body (1), and the distance between adjacent mounting pieces (4) is equal.
5. The butterfly valve with good air tightness as claimed in claim 4, wherein the mounting plates (4) are provided with mounting holes (14).
6. A butterfly valve with good gas tightness according to claim 1, characterized in that the top of the valve body (1) is connected with an actuator (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921282296.5U CN210372055U (en) | 2019-08-09 | 2019-08-09 | Butterfly valve with good air tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921282296.5U CN210372055U (en) | 2019-08-09 | 2019-08-09 | Butterfly valve with good air tightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210372055U true CN210372055U (en) | 2020-04-21 |
Family
ID=70249787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921282296.5U Active CN210372055U (en) | 2019-08-09 | 2019-08-09 | Butterfly valve with good air tightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210372055U (en) |
-
2019
- 2019-08-09 CN CN201921282296.5U patent/CN210372055U/en active Active
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