CN208900729U - A kind of multi-layer sealed flexible butterfly valve - Google Patents
A kind of multi-layer sealed flexible butterfly valve Download PDFInfo
- Publication number
- CN208900729U CN208900729U CN201821124025.2U CN201821124025U CN208900729U CN 208900729 U CN208900729 U CN 208900729U CN 201821124025 U CN201821124025 U CN 201821124025U CN 208900729 U CN208900729 U CN 208900729U
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- Prior art keywords
- valve
- valve seat
- ring
- telescoping tube
- flange disk
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Abstract
The utility model relates to butterfly valve technical field, specially a kind of multi-layer sealed flexible butterfly valve, including the valve body of stretching, the upper end of valve rod is engaged through the inside that valve seat reaches turbine box with the worm screw in turbine box;The two sides of the valve seat are respectively connected with first flange disk, valve seat is connected with buffer sealing device close to one section of inner sidewall of first flange disk, the two sides of the valve seat are plugged with telescoping tube, one end that telescoping tube is located at outside valve body is connected with second flange disk, fixing sleeve is connected to annular snap disk on telescoping tube, the sidewall thread of annular chuck is plugged with multiple screws, and the telescoping tube passes through the threaded hole opened up on first flange disk by screw and is fixedly connected with the valve body.Only different telescoping tubes, which need to be processed, can cooperate the use of butterfly valve, have very strong practicability.
Description
Technical field
The utility model relates to butterfly valve technical field of stretching, specially a kind of multi-layer sealed flexible butterfly valves.
Background technique
Flexible butterfly valve realizes the component of pipe-line system on-off and flow control as a kind of, in petroleum, chemical industry, smelting
It obtains applying extremely widely in many fields such as gold, water power.The butterfly plate of flexible butterfly valve is installed on the diametrical direction of pipeline.In butterfly
In valve body cylindrical channel, disc butterfly plate around axis rotate, rotation angle be 0 ° -90 ° between, when rotating to 90 °, valve
Door then full-gear.Existing butterfly valve body generally uses the sealing means of valve body kiss-coating, and metal valve plate is by rotation to valve body
Interior liner is squeezed, and realizes sealing, and in the prior art, butterfly valve is arranged as just switch, but what people often ignored
Butterfly valve also has the function of connector presence simultaneously.In different environments, the needs of butterfly valve body length are different, this
Just need to produce the butterfly valve of many different sizes, this mode is very inflexible and low efficiency, and this pipe laying mode is more
For rigid collision, it is be easy to cause the damage of butterfly valve, reduces the service life of equipment, application No. is 201720857095 to disclose name
Referred to as middle line stretch butterfly valve patent, adjusted by bolt adjustment section, still, rely solely on sealing ring realize sealing,
During long-run adjustment, sealing ring can be worn, and cause sealing effect bad, for this purpose, it is proposed that a kind of multi-layer sealed
Flexible butterfly valve.
Utility model content
The purpose of this utility model is to provide a kind of multi-layer sealed flexible butterfly valves, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of multi-layer sealed flexible butterfly valve, including valve body, valve body be by valve seat, the turbine box that is connected to valve seat upper end,
Rotate the handwheel for being plugged on turbine box side wall and engaging with the worm screw in turbine box, the valve that rotation is plugged in valve seat inner bottom wall
Bar, the valve plate being fixedly attached on valve rod, worm screw of the upper end of valve rod in the inside and turbine box that valve seat reaches turbine box
Engagement;
The two sides of the valve seat are respectively connected with first flange disk, and valve seat is connected with close to one section of inner sidewall of first flange disk
Buffer sealing device, the two sides of the valve seat are plugged with telescoping tube, and one end that telescoping tube is located at outside valve body is connected with the second method
Blue disk, fixing sleeve is connected to annular snap disk on telescoping tube, and the sidewall thread of annular chuck is plugged with multiple screws, and the telescoping tube is logical
The threaded hole that screw opens up on first flange disk is crossed to be fixedly connected with the valve body.
Preferably, the buffer sealing device be by be fixedly mounted on valve seat inner sidewall fixed ring, be slidably connected at
Shift(ing) ring on valve seat inner sidewall is fixedly connected on shift(ing) ring lateral wall and is slidably connected at the item opened up on valve seat inner sidewall
Multiple sliding blocks in shape sliding slot, the shift(ing) ring between telescoping tube and fixed ring, the shift(ing) ring close to fixed ring one
Side is connected with the sealing ring of annular, and the side wall of the fixed ring offers the seal groove of matching sealing ring sealing, the sliding block
Side wall is connected with spring, and the other end of spring is connect with the side wall of bar shaped sliding slot.
Preferably, the shift(ing) ring offers one end that matching telescoping tube is located in valve seat close to the side of telescoping tube and connects
Resilient sealing ring sealing annular groove.
Preferably, the quantity more than three of the sliding block, and multiple sliding blocks are distributed in equidistant ring.
Preferably, the fixed ring is in convex structure close to the side of valve plate.
Preferably, the junction of the annular chuck and first flange disk is lined with one layer of elastic washer.
Compared with prior art, the utility model has the beneficial effects that
1, when the diameter for needing to change butterfly valve adapter tube, corresponding telescoping tube is taken to be inserted into the inlet and outlet two sides of valve seat, stretched
Elastic sealing ring on pipe squeezes shift(ing) ring and makes movement at mobile circumferential fixed ring, and spring works as a buffer, and reduces rigidity and connects
Touching causes the inner sidewall damage to valve seat, extends service life of equipment;
2, shift(ing) ring continues to move to, and sealing ring and seal groove clamping seal, and plays the first resealing, elastic sealing ring and
Annular groove clamping sealing, plays the second resealing, annular chuck is consolidated telescoping tube and valve body by screw rod with first flange disk
Fixed connection, is lined with elastic washer between annular chuck and first flange disk, plays the role of third resealing.
To sum up, the utility model can share same butterfly valve, versatility by the way that telescopic rod, changeable different tube diameters are added
Extensively, only need to process different telescoping tubes can cooperate the use of butterfly valve, have very strong practicability.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the portion the utility model A enlarged structure schematic diagram.
In figure: valve body 1, handwheel 11, turbine box 12, valve rod 13, valve plate 14, valve seat 15, buffer sealing device 2, fixed ring
21, shift(ing) ring 22, sealing ring 23, sliding block 24, telescoping tube 3, annular chuck 31, second flange disk 32, elastic sealing ring 33.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2:
A kind of multi-layer sealed flexible butterfly valve, including valve body 1, valve body 1 are by valve seat 15, are connected to the whirlpool of 15 upper end of valve seat
Roller box 12, rotation be plugged on 12 side wall of turbine box and engage with the worm screw in turbine box 12 handwheel 11, rotate be plugged on valve seat
The upper end of valve rod 13 in 15 inner bottom walls, the valve plate 14 being fixedly attached on valve rod 13, valve rod 13 reaches turbine through valve seat 15
It is engaged with the worm screw in turbine box 12 inside of case 12;
The two sides of valve seat 15 are respectively connected with first flange disk, and valve seat 15 is connected with close to one section of inner sidewall of first flange disk
Buffer sealing device 2, the two sides of valve seat 15 are plugged with telescoping tube 3, and one end that telescoping tube 3 is located at outside valve body 1 is connected with second
Ring flange 32, fixing sleeve is connected to annular snap disk 31 on telescoping tube 3, and the sidewall thread of annular chuck 31 is plugged with multiple screws, stretches
The draw 3 passes through the threaded hole opened up on first flange disk by screw and is fixedly connected with valve body 1, annular chuck 31 and first flange
The junction of disk is lined with one layer of elastic washer, plays sealing effect.
Buffer sealing device 2 be by be fixedly mounted on 15 inner sidewall of valve seat fixed ring 21, be slidably connected at valve seat 15
Shift(ing) ring 22 on inner sidewall is fixedly connected on 22 lateral wall of shift(ing) ring and is slidably connected at and opens up on 15 inner sidewall of valve seat
Multiple sliding blocks 24 in bar shaped sliding slot, the quantity more than three of sliding block 24, and multiple sliding blocks 24 are distributed in equidistant ring, and stress is equal
Even, for shift(ing) ring 22 between telescoping tube 3 and fixed ring 21, shift(ing) ring 22 is connected with the close of annular close to the side of fixed ring 21
Seal 23, fixed ring 21 are in convex structure close to the side of valve plate 14, and convex structure reduces the resistance of fluid, fixed ring
21 side wall offers the seal groove that matching sealing ring 23 seals, and shift(ing) ring 22 offers matching close to the side of telescoping tube 3 and stretches
The draw 3 is located at the annular groove that the elastic sealing ring 33 of the connection of one end in valve seat 15 seals, and the side wall of sliding block 24 is connected with spring,
The other end of spring is connect with the side wall of bar shaped sliding slot, the distance between annular chuck 31 and elastic sealing ring 33 and first flange
Maximum distance is identical between disk and shift(ing) ring 22.
When the diameter for needing to change butterfly valve adapter tube, corresponding telescoping tube 3 is taken to be inserted into the inlet and outlet two sides of valve seat 15, stretched
Elastic sealing ring 33 on pipe 3 squeezes shift(ing) ring 22 and makes shift(ing) ring 22 to movement at fixed ring 21, and spring works as a buffer, subtracts
Few rigid contact causes the inner sidewall damage to valve seat 15, extends service life of equipment;Shift(ing) ring 22 continues to move to, sealing ring 23
It is clamped and seals with seal groove, play the first resealing, elastic sealing ring 33 and annular groove clamping seal, play the second resealing and make
With telescoping tube 3 is fixedly connected by annular chuck 31 with first flange disk by screw rod with valve body 1, annular chuck 31 and the first method
It is lined with elastic washer between blue disk, plays the role of third resealing, sealing effect is good, extends service life of equipment.
To sum up, the utility model can share same butterfly valve, versatility by the way that telescopic rod 3, changeable different tube diameters are added
Extensively, only need to process different telescoping tubes 3 can cooperate the use of butterfly valve, have very strong practicability.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of multi-layer sealed flexible butterfly valve, including valve body (1), valve body (1) are by valve seat (15), are connected on valve seat (15)
The turbine box (12) at end, rotation be plugged on turbine box (12) side wall and engaged with the worm screw in turbine box (12) handwheel (11),
Rotate the valve rod (13) being plugged in valve seat (15) inner bottom wall, the valve plate (14) being fixedly attached on valve rod (13), valve rod (13)
Upper end through valve seat (15) reach turbine box (12) inside engaged with the worm screw in turbine box (12), it is characterised in that:
The two sides of the valve seat (15) are respectively connected with first flange disk, and valve seat (15) connects close to one section of inner sidewall of first flange disk
It is connected to buffer sealing device (2), the two sides of the valve seat (15) are plugged with telescoping tube (3), and telescoping tube (3) is located at valve body (1)
Outer one end is connected with second flange disk (32), and fixing sleeve is connected to annular snap disk (31) on telescoping tube (3), annular chuck (31)
Sidewall thread is plugged with multiple screws, and the telescoping tube (3) passes through the threaded hole and valve that open up on first flange disk by screw
Body (1) is fixedly connected.
2. the multi-layer sealed flexible butterfly valve of one kind according to claim 1, it is characterised in that: the buffer sealing device
It (2) is by the fixed ring (21) being fixedly mounted on valve seat (15) inner sidewall, the shifting being slidably connected on valve seat (15) inner sidewall
Rotating ring (22) is fixedly connected on shift(ing) ring (22) lateral wall and is slidably connected at the bar shaped opened up on valve seat (15) inner sidewall and slides
Multiple sliding blocks (24) in slot, the shift(ing) ring (22) are located between telescoping tube (3) and fixed ring (21), the shift(ing) ring (22)
The sealing ring (23) of annular is connected with close to the side of fixed ring (21), the side wall of the fixed ring (21) offers matching sealing
The seal groove of (23) sealing is enclosed, the side wall of the sliding block (24) is connected with spring, the other end of spring and the side wall of bar shaped sliding slot
Connection.
3. the multi-layer sealed flexible butterfly valve of one kind according to claim 2, it is characterised in that: the shift(ing) ring (22) is close
The elastic sealing ring (33) that the side of telescoping tube (3) offers one end connection that matching telescoping tube (3) is located in valve seat (15) is close
The annular groove of envelope.
4. the multi-layer sealed flexible butterfly valve of one kind according to claim 2, it is characterised in that: the quantity of the sliding block (24)
More than three, and multiple sliding blocks (24) are distributed in equidistant ring.
5. the multi-layer sealed flexible butterfly valve of one kind according to claim 2, it is characterised in that: the fixed ring (21) is close
The side of valve plate (14) is in convex structure.
6. the multi-layer sealed flexible butterfly valve of one kind according to claim 1, it is characterised in that: it is described annular chuck (31) with
The junction of first flange disk is lined with one layer of elastic washer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821124025.2U CN208900729U (en) | 2018-07-16 | 2018-07-16 | A kind of multi-layer sealed flexible butterfly valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821124025.2U CN208900729U (en) | 2018-07-16 | 2018-07-16 | A kind of multi-layer sealed flexible butterfly valve |
Publications (1)
Publication Number | Publication Date |
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CN208900729U true CN208900729U (en) | 2019-05-24 |
Family
ID=66567556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821124025.2U Expired - Fee Related CN208900729U (en) | 2018-07-16 | 2018-07-16 | A kind of multi-layer sealed flexible butterfly valve |
Country Status (1)
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CN (1) | CN208900729U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110332351A (en) * | 2019-07-11 | 2019-10-15 | 无锡市爱德阀业股份有限公司 | A kind of telescopic butterfly valve |
CN112664664A (en) * | 2021-01-12 | 2021-04-16 | 芜湖市金贸流体科技股份有限公司 | Telescopic butterfly valve convenient to maintain and control method thereof |
-
2018
- 2018-07-16 CN CN201821124025.2U patent/CN208900729U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110332351A (en) * | 2019-07-11 | 2019-10-15 | 无锡市爱德阀业股份有限公司 | A kind of telescopic butterfly valve |
CN112664664A (en) * | 2021-01-12 | 2021-04-16 | 芜湖市金贸流体科技股份有限公司 | Telescopic butterfly valve convenient to maintain and control method thereof |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20200716 |