CN207906465U - A kind of fluorine lining butterfly valve - Google Patents
A kind of fluorine lining butterfly valve Download PDFInfo
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- CN207906465U CN207906465U CN201820199603.2U CN201820199603U CN207906465U CN 207906465 U CN207906465 U CN 207906465U CN 201820199603 U CN201820199603 U CN 201820199603U CN 207906465 U CN207906465 U CN 207906465U
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- valve
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- valve rod
- limited block
- rod
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Abstract
The utility model discloses a kind of fluorine lining butterfly valves, it is desirable to provide a kind of device for improving butterfly valve and opening and closing stability, its key points of the technical solution are that including valve body and valve seat in a ring, the valve body include be socketed on valve seat it is outer and with the matched annular canister of valve seat；Further include valve rod and butterfly plate, the side end set of the annular canister has mounting blocks, and the valve rod is through mounting blocks and is rotationally connected with mounting blocks, and the valve rod stretches into valve seat；The butterfly plate is located in valve seat, and the valve rod is equipped with the fixed part for fixing butterfly plate；End of the mounting blocks far from annular canister is equipped with limited block, and the outer wall of the valve rod is equipped with annular groove, and the limited block is inserted into annular groove and is matched with annular groove；The mounting blocks are equipped with the positioning component for fixing limited block.The device makes valve rod be not susceptible to axial sliding, and then achievees the effect that improving butterfly valve opens and closes stability.
Description
Technical field
The utility model is related to valve technology fields, more specifically, it relates to a kind of fluorine lining butterfly valve.
Background technology
Butterfly valve is a kind of regulating valve simple in structure, generally includes valve body, valve rod, butterfly plate and valve seat.Butterfly valve opening and closing element is
One discoidal butterfly plate rotates in valve body around the axis of its own, to achieve the purpose that open and close butterfly valve.
There is butterfly valve simple in structure, small, light-weight, material consumption to save, and installation dimension is small, and switch is rapidly, reciprocally
The features such as revolution and driving moment are small has good fluid handling properties for blocking, connecting, adjusting the medium in pipeline.
Therefore, it is widely used in the engineering systems such as coal gas, natural gas, liquefied petroleum gas, town gas, hot and cold air and generation environment-friendly
On the pipeline of middle trandfer fluid medium.
Valve rod is mainly used for driving butterfly plate rotation to open and close butterfly valve.However, valve rod is during actual use, it is easy to
Axial sliding occurs because of being frequently opened and closed, causes valve rod that cannot effectively drive butterfly plate to rotate, the stability that butterfly valve opens and closes is not high.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of fluorine lining butterfly valve, the device have make valve
Bar is not susceptible to axial sliding, improves the effect that butterfly valve opens and closes stability.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of fluorine lining butterfly valve, packet
Include valve body and valve seat in a ring, the valve body include be socketed on valve seat it is outer and with the matched annular canister of valve seat；Further include
The side end set of valve rod and butterfly plate, the annular canister has mounting blocks, and the valve rod is through mounting blocks and is rotationally connected with
Mounting blocks, the valve rod stretch into valve seat；The butterfly plate is located in valve seat, and the valve rod is equipped with the fixation for fixing butterfly plate
Portion；End of the mounting blocks far from annular canister is equipped with limited block, and the outer wall of the valve rod is equipped with annular groove, and the limited block is inserted
Enter annular groove and is matched with annular groove；The mounting blocks are equipped with the positioning component for fixing limited block.
By using above-mentioned technical proposal, rotation valve rod makes butterfly plate since valve rod is fixed by fixed part and butterfly plate
Rotation is to be turned on and off butterfly valve；Positioning component fixes limited block, and annular groove is rotated with the rotation of valve rod, and limited block is inserted into
It is matched in annular groove and with annular groove, and then the effectively easily axial sliding of limitation valve rod；Valve rod is rotating frequently process
In be not susceptible to axial dipole field, improve butterfly valve keying stability, also increase the service life of butterfly valve.
Preferably, the limited block is equipped with holding tank towards the end of annular groove, and the cell wall of the holding tank is rotatablely connected
There are the ball for stretching out holding tank, the cell wall of the ball and annular groove to abut against.
By using above-mentioned technical proposal, when valve rod and annular groove rotate, ball is rolled close to the cell wall of annular groove, in turn
Greatly reduce the suffered frictional resistance of valve rod rotation so that it is more laborsaving quick to open and close butterfly valve.
Preferably, the positioning component include be fixedly connected with limited block and abutted against with mounting blocks locating piece, fixation
Two lateral mass of locating piece opposite sides are set to, and runs through lateral mass and is threadedly connected to the bolt of mounting blocks.
By using above-mentioned technical proposal, locating piece abuts mounting blocks, bolt-through lateral mass and is threadedly connected to mounting blocks,
And then firmly fix limited block, so that the axial movement of valve rod is stablized limitation.
Preferably, the positioning component includes being connected to cunning set on the sliding slot of end face of the mounting blocks far from annular canister, sliding
The sliding block and locating rod and sleeve of slot；The limited block is fixedly connected on one end of sliding block and stretches out sliding slot, the locating rod
It is rotationally connected with the other end of sliding block relative limit block, the sleeve is fixedly installed on cell wall of the sliding slot far from limited block, described
Sleeve is socketed on outside locating rod and is threadedly coupled with locating rod.
By using above-mentioned technical proposal, locating rod is threadedly connected to sleeve, and locating rod is not easy to rotate, and then makes sliding block
It is not susceptible to slide with limited block, limited block is steadily plugged in annular groove；On the other hand, rotational positioning bar makes limited block
Annular groove is slid and be detached from, consequently facilitating in the case where valve rod damages, removes and replace valve rod.
Preferably, the butterfly plate is equipped with the central tube passed through for valve rod.
By using above-mentioned technical proposal, valve rod passes through central tube, is convenient for the fixation of valve rod and butterfly plate, and enables butterfly plate more
Steadily fixed with valve rod.
Preferably, the fixed part is screw, and the screw thread is connected to valve rod and the inside and outside wall through central tube.
By using above-mentioned technical proposal, easily and efficiently butterfly plate and valve rod are fixed, butterfly valve opening-closing process is more stable.
Preferably, the outer wall of the central tube is equipped with counterbore, and the head of the screw is embedded in counterbore.
By using above-mentioned technical proposal, the head of screw is embedded in counterbore, makes the flatness higher of center drum outer wall, and
Under the pressure of fluid, screw is less susceptible to loosen.
Preferably, inner wall of the valve seat far from mounting blocks is equipped with groove, and the valve rod and groove are mating.
By using above-mentioned technical proposal, valve rod is plugged in groove, further improves the stability of valve rod rotation.
In conclusion the utility model has the advantages that：
1, positioning component fixes limited block, and annular groove is rotated with the rotation of valve rod, limited block be inserted into annular groove in and
It is matched with annular groove, and then the effectively easily axial sliding of limitation valve rod, improves the stability of butterfly valve keying, also increase
The service life of butterfly valve；
2, when valve rod and annular groove rotate, ball is rolled close to the cell wall of annular groove, and then greatly reduces valve rod rotation
Suffered frictional resistance so that it is more laborsaving quick to open and close butterfly valve.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment one；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the assembly relation schematic diagram of mounting blocks, valve seat and valve rod in the utility model embodiment one；
Fig. 4 is the enlarged drawing of part B in Fig. 3；
Fig. 5 is the structural schematic diagram of the utility model embodiment two；
Fig. 6 is the enlarged drawing of C portion in Fig. 5.
In figure：1, valve body；2, valve seat；3, annular canister；4, valve rod；5, butterfly plate；6, mounting blocks；7, limited block；8, annular groove；
9, holding tank；10, ball；111, locating piece；112, lateral mass；113, bolt；114, sliding slot；115, sliding block；116, locating rod；
117, sleeve；12, central tube；13, screw；14, counterbore；15, groove.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment one：A kind of fluorine lining butterfly valve, as shown in Figure 1, including valve body 1, valve seat 2 in a ring, valve rod 4 and butterfly plate
5.Valve body 1 include be fixed by socket it is outer in valve seat 2 and with 2 matched annular canister 3 of valve seat；Annular canister 3 a side end one at
Type has mounting blocks 6, and valve rod 4 is through mounting blocks 6 and is rotationally connected with mounting blocks 6, and valve rod 4 stretches into valve seat 2.
As depicted in figs. 1 and 2, butterfly plate 5 is in disk-shaped and in valve seat 2, and butterfly plate 5 is integrally formed with the diameter along butterfly plate 5
To setting and positioned at the central tube 12 at 5 middle part of butterfly plate, valve rod 4 runs through central tube 12.Valve rod 4 is provided with fixed part, and fixed part is
Screw 13, screw 13 are threadedly connected to valve rod 4 and the inside and outside wall through central tube 12；Rotation valve rod 4 effectively drives 5 turns of butterfly plate
It is dynamic, realize being turned on and off for butterfly valve.
The outer wall of central tube 12 is provided with counterbore 14, and the head of screw 13 is embedded in counterbore 14, makes the flat of 12 outer wall of central tube
Whole degree higher, and under the pressure of fluid, screw 13 is less susceptible to loosen.
As shown in figure 3, inner wall of the valve seat 2 far from mounting blocks 6 opens up fluted 15, valve rod 4 and groove 15 are mating, make
Valve rod 4 more stably rotates.
As shown in Figure 3 and Figure 4, end set of the mounting blocks 6 far from annular canister 3 has limited block 7, the outer wall of valve rod 4 to open up
There are annular groove 8, limited block 7 to be inserted into annular groove 8 and matched with annular groove 8；Mounting blocks 6 are additionally provided with for fixing limited block 7
Positioning component.Annular groove 8 is rotated with the rotation of valve rod 4, and limited block 7 and the cooperation of annular groove 8 effectively easily limit valve
The axial sliding of bar 4, improves the stability of butterfly valve keying, also increases the service life of butterfly valve.
Positioning component include be fixedly connected with limited block 7 and abutted against with mounting blocks 6 locating piece 111, be fixedly installed on
Two lateral mass 112 of 111 opposite sides of locating piece, and through lateral mass 112 and it is threadedly connected to the bolts 113 of mounting blocks 6, from
And firmly fix limited block 7, so that limited block 7 is steadily plugged in annular groove 8.
The end of limited block 7 towards annular groove 8 offers holding tank 9, and the cell wall of holding tank 9 is rotatably connected to stretching and accommodates
The ball 10 of slot 9, ball 10 and the cell wall of annular groove 8 abut against.When valve rod 4 and annular groove 8 rotate, ball 10 is close to annular groove
8 cell wall rolls, and then greatly reduces valve rod 4 and rotate suffered frictional resistance so that it is more laborsaving quick to open and close butterfly valve.
Embodiment two：A kind of fluorine lining butterfly valve, as shown in Figure 5 and Figure 6, the difference between this embodiment and the first embodiment lies in：It is fixed
Hyte part includes the sliding slot 114 for being opened in end face of the mounting blocks 6 far from annular canister 3, slides the sliding block 115 for being connected to sliding slot 114,
And locating rod 116 and sleeve 117.Limited block 7 is fixedly connected on one end of sliding block 115 and stretches out sliding slot 114, locating rod 116
It is rotationally connected with the other end of 115 relative limit block 7 of sliding block, sleeve 117 is fixedly installed on slot of the sliding slot 114 far from limited block 7
Wall, sleeve 117 are socketed on outside locating rod 116 and are threadedly coupled with locating rod 116.
Locating rod 116 is threadedly connected to sleeve 117, and locating rod 116 is not easy to rotate, and then makes sliding block 115 and limited block 7
It is not susceptible to slide, limited block 7 is fixed.On the other hand, rotational positioning bar 116 makes limited block 7 slide and is detached from annular groove
8, consequently facilitating in the case where valve rod 4 damages, remove and replace valve rod 4.
Above-described embodiment is only the explanation to the utility model, is not limitations of the present invention, this field
Technical staff can as needed make the present embodiment the modification of not creative contribution after reading this specification, but only
It all to be protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of fluorine lining butterfly valve, including valve body (1) and valve seat (2) in a ring, the valve body (1) includes being socketed on valve seat
(2) outside and with valve seat (2) matched annular canister (3)；Further include valve rod (4) and butterfly plate (5), it is characterized in that：The annular
The side end set of cylinder (3) has mounting blocks (6), and the valve rod (4) is through mounting blocks (6) and is rotationally connected with mounting blocks (6),
The valve rod (4) is stretched into valve seat (2)；The butterfly plate (5) is located in valve seat (2), and the valve rod (4) is equipped with for fixing butterfly plate
(5) fixed part；End of the mounting blocks (6) far from annular canister (3) is equipped with limited block (7), and the outer wall of the valve rod (4) is set
There are annular groove (8), the limited block (7) to be inserted into annular groove (8) and matched with annular groove (8)；The mounting blocks (6), which are equipped with, to be used
In the positioning component of fixed limited block (7).
2. a kind of fluorine lining butterfly valve according to claim 1, it is characterized in that：End of the limited block (7) towards annular groove (8)
Portion is equipped with holding tank (9), and the cell wall of the holding tank (9) is rotatably connected to the ball (10) for stretching out holding tank (9), the ball
(10) cell wall with annular groove (8) abuts against.
3. a kind of fluorine lining butterfly valve according to claim 1, it is characterized in that：The positioning component includes solid with limited block (7)
Fixed connection and the locating piece (111) abutted against with mounting blocks (6), two sides for being fixedly installed on locating piece (111) opposite sides
Block (112), and through lateral mass (112) and it is threadedly connected to the bolts (113) of mounting blocks (6).
4. a kind of fluorine lining butterfly valve according to claim 1, it is characterized in that：The positioning component includes being set to mounting blocks (6)
The sliding slot (114) of end face far from annular canister (3), sliding are connected to the sliding block (115) and locating rod (116) of sliding slot (114)
With sleeve (117)；The limited block (7) is fixedly connected on one end of sliding block (115) and stretches out sliding slot (114), the locating rod
(116) it is rotationally connected with the other end of sliding block (115) relative limit block (7), the sleeve (117) is fixedly installed on sliding slot
(114) far from limited block (7) cell wall, the sleeve (117) be socketed on locating rod (116) outside and with locating rod (116) screw thread
Connection.
5. a kind of fluorine lining butterfly valve according to claim 1, it is characterized in that：The butterfly plate (5) is equipped with and is passed through for valve rod (4)
Central tube (12).
6. a kind of fluorine lining butterfly valve according to claim 5, it is characterized in that：The fixed part is screw (13), the screw
(13) valve rod (4) and the inside and outside wall through central tube (12) are threadedly connected to.
7. a kind of fluorine lining butterfly valve according to claim 6, it is characterized in that：The outer wall of the central tube (12) is equipped with counterbore
(14), in the head insertion counterbore (14) of the screw (13).
8. a kind of fluorine lining butterfly valve according to claim 5, it is characterized in that：Inner wall of the valve seat (2) far from mounting blocks (6)
Equipped with groove (15), the valve rod (4) and groove (15) are mating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199603.2U CN207906465U (en) | 2018-02-05 | 2018-02-05 | A kind of fluorine lining butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199603.2U CN207906465U (en) | 2018-02-05 | 2018-02-05 | A kind of fluorine lining butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207906465U true CN207906465U (en) | 2018-09-25 |
Family
ID=63563204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820199603.2U Active CN207906465U (en) | 2018-02-05 | 2018-02-05 | A kind of fluorine lining butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207906465U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677886A (en) * | 2020-06-09 | 2020-09-18 | 吴磊 | Butterfly valve with good flow regulation stability |
-
2018
- 2018-02-05 CN CN201820199603.2U patent/CN207906465U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677886A (en) * | 2020-06-09 | 2020-09-18 | 吴磊 | Butterfly valve with good flow regulation stability |
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