CN209430792U - A kind of heavy caliber block-proof type all-welded ball valve - Google Patents
A kind of heavy caliber block-proof type all-welded ball valve Download PDFInfo
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- CN209430792U CN209430792U CN201822073769.2U CN201822073769U CN209430792U CN 209430792 U CN209430792 U CN 209430792U CN 201822073769 U CN201822073769 U CN 201822073769U CN 209430792 U CN209430792 U CN 209430792U
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Abstract
The utility model discloses a kind of heavy caliber block-proof type all-welded ball valves, including valve body, cavity is equipped in the middle part of the valve body, the cavity is built-in with the sphere with valve body rotation connection, the body top is equipped with rod aperture, the top end of the valve body is welded with the bar cylinder communicated with rod aperture, there is the through-hole through ball centre in the middle part of the sphere, the sphere top and valve rod weld, for the valve rod through the rod aperture and first bevel gear center weld of body top, the valve rod and the rotation connection of bar cylinder and valve stem top center are equipped with bar slot.The design can determine the speed of the rotation of valve rod by determining the movement velocity of cylinder, valve rod can accurately be rotated with safest speed by certain angle within the shortest time, valve rod is avoided to damage simultaneously, gear-driven mode can keep for a long time stable, avoid equipment damage, to saving maintenance cost, the kind of drive is simple, and component is less has reached section space-efficient purpose.
Description
Technical field
The utility model relates to valve technology field, specifically a kind of heavy caliber block-proof type all-welded ball valve.
Background technique
Ball valve is that sphere is driven by valve rod, and the valve to rotate around ball valve axis.Also it can be used for the adjusting of fluid
With control, wherein firmly sealing its V-type core of V-type ball valve and the metal seat valve of pile-up welding hard alloy between have very strong shearing
Power, the valve particularly suitable as the transmission of the media such as fibre-bearing, small solid pellet.And multi-pass ball valve not only can spirit on pipeline
The interflow of control medium living, the switching for shunting and flowing to, while any channel can also be closed and other two channel is made to be connected,
It further include all-welded ball valve in ball valve, phenomena such as all-welded ball valve does not have External leakage, the process of sphere has advanced
COMPUTER DETECTION instrument tracing detection, so the machining accuracy height of sphere, since valve body material is as pipe material, is not in
Unbalanced stress, will not be since earthquake and vehicle when ground by being deformed, and pipeline is ageing-resistant, and direct burial welding ball valve can
To be directly embedded in underground, without building large-diameter valve well, only small-sized shallow well need to be set on the ground, greatly save operating expenses and
Engineering time can adjust the length of valve body and the height of valve rod according to the construction and design requirement of pipeline.
The bore volume of heavy caliber all-welded ball valve is larger, valve switch is too fast will lead to the valve distortion excessive of load and
Keep valve rod impaired, switching will lead to the valve base surface long period slowly and washed away and wear by medium, therefore the operating time should
It is maintained in an OK range, the existing full welded flange of heavy caliber mostly uses manual opening-closing mode, it is difficult to keep ball valve quick
Accurately rotate certain angle, and manual ball valve often using long shaft transmission and extends the diameter of turntable in order to laborsaving, therefore
Body top is often fixed with the biggish opening and closing element of volume (i.e. valve switch), more occupied space.Therefore, those skilled in the art
Member provides a kind of heavy caliber block-proof type all-welded ball valve, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of this utility model is to provide a kind of heavy caliber block-proof type all-welded ball valves, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of heavy caliber block-proof type all-welded ball valve, including valve body, are equipped with cavity in the middle part of the valve body, built in the cavity
There is the sphere with valve body rotation connection, the body top is equipped with rod aperture, and the top end of the valve body is welded with the bar communicated with rod aperture
There is the through-hole through ball centre at cylinder, the sphere middle part, and the sphere top and valve rod weld, and the valve rod runs through valve body top
The rod aperture and first bevel gear center weld in portion, the valve rod and bar cylinder are rotatablely connected and valve stem top center is equipped with bar slot, institute
It states first bevel gear to engage with second bevel gear, the second bevel gear center weld sprocket drive spindle, the first bevel gear,
Two bevel gears, gear shaft both ends are welded with shaft, and two shafts are rotatablely connected with connecting cylinder two sides axis hole respectively, described
Connecting cylinder bottom end and bar cylinder weld and top and cylinder end weld, and the gear shaft side is engaged with ratch, the ratch top
End is welded with piston rod, and the piston rod passes through the piston in cylinder end and cylinder and welds.
The valve body two sides weld and are connected with connecting tube as a further solution of the present invention, the sky
Chamber shape is spherical and is rotatablely connected with sphere, and the through hole section of the ball centre is round and its diameter and connect pipe diameter
It is identical.
As a further solution of the present invention, the valve rod shape be cylindrical and its diameter of section and rod aperture,
The internal diameter of bar cylinder is identical, and the valve stem tip is higher than bar cylinder.
The first bevel gear side is vertical with the axial line of shaft as a further solution of the present invention, institute
The angle for stating first bevel gear and second bevel gear is right angle.
The gear shaft end is fixedly connected with second bevel gear center as a further solution of the present invention,
The gear shaft, second bevel gear, shaft axle center is identical and gear shaft is located on the upside of valve rod.
The ratch is that side is cut the cylindrical body for plane and cut flat as a further solution of the present invention,
Face is equipped with rack gear, and the diameter of the ratch and the diameter of piston rod are identical, the diameter of the ratch be less than the diameter of bar slot and
The length of ratch is less than the depth of bar slot.
The cylinder end and connecting cylinder top welding and cylinder, connection as a further solution of the present invention,
Cylinder is coaxial with bar cylinder, and spring is equipped between the piston and cylinder interior bottom end.
Compared with prior art, the utility model has the beneficial effects that
1, by the piston rod of cylinder and ratch connection to make to be driven between cylinder and bevel gear, the piston cylinder of cylinder
Move distance is controllable, and gear drive transmission ratio is relatively fixed, and the transmission of transmission is improved by cylinder and bevel gear cooperation transmission
Than the speed for rotating valve rod is relatively fixed, can determine the speed of the rotation of valve rod by determining the movement velocity of cylinder, can
Valve rod is more accurately rotated with safest speed by certain angle within the shortest time, valve rod is avoided to damage, is reached
Make the effect of valve opening and closing.
2, it is welded between valve body and the connecting tube of two sides, top and bar cylinder weld, and cylinder barrel is successively welded with connecting cylinder, cylinder
It connects, whole the phenomenon that avoiding External leakage by the way of welding, and gear-driven mode can keep for a long time stable, keep away
Exempt from equipment damage, to save maintenance cost.
3, the piston rod of cylinder and valve rod are coaxial, and when rotational cylinder need to only pass through first bevel gear, second bevel gear, gear
Axis transmission, the kind of drive is simple, and component is less has reached section space-efficient purpose.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of heavy caliber block-proof type all-welded ball valve；
Fig. 2 is a kind of attachment structure schematic diagram of transmission parts in heavy caliber block-proof type all-welded ball valve；
Fig. 3 is a kind of structural schematic diagram of sphere in heavy caliber block-proof type all-welded ball valve；
Fig. 4 is a kind of cross-sectional view of cylinder in heavy caliber block-proof type all-welded ball valve.
In figure: 1, valve body；2, connecting tube；3, sphere；4, through-hole；5, cavity；6, cylinder；7, rod aperture；8, bar cylinder；9, valve
Bar；10, axis hole；11, connecting cylinder；12, piston；13, first bevel gear；14, shaft；15, gear shaft；16, spring；17, second
Bevel gear；18, ratch；19, piston rod；20, bar slot.
Specific embodiment
Please refer to Fig. 1~4, in the utility model embodiment, a kind of heavy caliber block-proof type all-welded ball valve, including valve body 1,
Cavity 5 is equipped in the middle part of valve body 1, cavity 5 is built-in with the sphere 3 being rotatablely connected with valve body 1, is equipped with rod aperture 7, valve body 1 at the top of valve body 1
Top is welded with the bar cylinder 8 communicated with rod aperture 7, there is the through-hole 4 through 3 center of sphere, 3 top of sphere and valve rod 9 in the middle part of sphere 3
Welding, valve rod 9 is through the rod aperture 7 and 13 center weld of first bevel gear at 1 top of valve body, and valve rod 9 is rotatablely connected with bar cylinder 8 and valve
9 top center of bar is equipped with bar slot 20, and first bevel gear 13 is engaged with second bevel gear 17, and 17 center weld of second bevel gear is with teeth
Wheel shaft 15, first bevel gear 13, second bevel gear 17,15 both ends of gear shaft are welded with shaft 14, two shafts 14 respectively with
The rotation connection of 11 two sides axis hole 10 of connecting cylinder, 11 bottom end of connecting cylinder and bar cylinder 8 weld and top and 6 bottom end of cylinder are welded, gear
15 side of axis is engaged with ratch 18, and 18 top of ratch and piston rod 19 weld, and piston rod 19 passes through in 6 bottom end of cylinder and cylinder 6
Piston 12 weld, the piston rod 19 of cylinder 6(MBT100-175) is connected with ratch 18, passes through the movement of cylinder 6 with movable tooth
Bar 18 moves, to make to rotate with 18 meshed gears axis 15 of ratch, the cooperation of cylinder 6 and gear makes the velocity of rotation of valve rod 9
It can more be precisely controlled in certain range, the complicated kind of drive be avoided by the drive of cylinder 6, to reduce
Transmission parts reduce its volume, save occupied space.
1 two sides of valve body weld and are connected with connecting tube 2, and 5 shape of cavity is spherical and is rotatablely connected with sphere 3, sphere 3
4 section of through-hole at center is that round and its diameter is identical as 2 diameter of connecting tube, and being rotated in cavity 5 by sphere 3 opens valve
Close, when the through-hole 4 that sphere 3 turns to its 3 center of sphere is opposite with the channel of connecting tube 2, valve it is in the open state and
When through-hole 4 and connecting tube 2 are perfectly aligned, the opening degree of valve is maximum, when the side of sphere 3 is opposite with connecting tube 2, valve
Body 1 is closed；9 shape of valve rod is that cylindrical and its diameter of section is identical as the internal diameter of rod aperture 7, bar cylinder 8, and 9 top of valve rod is higher than bar
Cylinder 8, valve rod 9 is fixedly connected with 3 top of sphere, and the effect of valve rod 9 is connected ball body 3 and power source, and as transmission parts
Powered rotation to sphere 3 is set to rotate sphere 3；13 side of first bevel gear is vertical with the axial line of shaft 14, first bevel gear
13 and the angle of second bevel gear 17 be right angle, first bevel gear 13 is parallel with the cross section of valve rod 9 and coaxial makes the first cone tooth
Coaxial transmission between wheel 13 and valve rod 9.
15 end of gear shaft is fixedly connected with 17 center of second bevel gear, gear shaft 15, second bevel gear 17, shaft 14
Axle center is identical and gear shaft 15 is located at 9 upside of valve rod, and gear shaft 15 rotates under the active force of ratch 18 to be made with gear shaft 15 together
Shaft 14, the second bevel gear 17 of axis are rotated with its common axis, to realize transmission；Ratch 18 is that side is cut as plane
Cylindrical body and cut plane equipped with rack gear, the diameter of ratch 18 is identical as the diameter of piston rod 19, and the diameter of ratch 18 is small
In bar slot 20 diameter and ratch 18 length be less than bar slot 20 depth, the effect of ratch 18 be as transmission parts connect
Piston rod 19 and gear shaft 15 engage to realize spatial vertical side with gear shaft 15 by the engaging tooth of the plane on ratch 18
Upward transmission, when ratch 18 moves downwardly to extreme degree under the drive of cylinder 6, ratch 18 is located in bar slot 20 and ratch 18
Bottom end and tooth socket bottom end mutually from；6 bottom end of cylinder and 11 top of connecting cylinder are welded and cylinder 6, connecting cylinder 11 and bar cylinder 8 are coaxial, living
Spring 16 is equipped between plug 12 and 6 inner bottom of cylinder, spring 16 is in compressive state, is moving the piston rod 19 of cylinder 6
When it is coaxial with ratch 18, valve rod 9, more laborsaving, spring 16 plays buffer function, avoids 19 ballistic motion of piston rod to damaging
Valve rod 9.
The working principle of the utility model is: transporting the piston 12 in cylinder 6 by controlling cylinder 6 in opening/shutting valve
Dynamic, to drive 18 associated movement of ratch connected on piston rod 19 and piston rod 19, ratch 18 moves downward and enters bar slot
In 20, the axis hole 10 of shaft 14 and 11 side of connecting cylinder is rotatablely connected, with 18 meshed gears axis 15 of ratch and 15 end of gear shaft
Second bevel gear 17, gear shaft 15 and the shaft 14 of 14 two sides of shaft of portion's connection rotate simultaneously, engage with second bevel gear 17
First bevel gear 13 rotate simultaneously, first bevel gear 13 drives the valve rod 9 that is fixedly connected of its center to rotate, to make sphere 3
It is rotated in the cavity 5 of valve body 1, the channel of through-hole 4 and connecting tube 2 is made to be staggered to the complete phase in channel of through-hole 4 and connecting tube 2
From valve is closed, and 19 counter motion of piston rod reopens valve, and cylinder 6 accurately controls in cylinder 6 as power source
The movement velocity of piston 12 controls the velocity of rotation of valve rod 9, avoids 9 stress of valve rod is excessive valve rod 9 is caused to damage or rotated
Cause the valve base surface long period to be washed away and wear by medium slowly, the stroke of cylinder 6 is more accurate, and gear drive is higher,
The rotational angle for accurately controlling valve rod 9 keeps the through-hole 4 of sphere 3 utmostly corresponding with the channel of connecting tube 2, avoids
Blocking.
Claims (7)
1. a kind of heavy caliber block-proof type all-welded ball valve, including valve body (1), which is characterized in that be equipped with sky in the middle part of the valve body (1)
Chamber (5), the cavity (5) are built-in with the sphere (3) with valve body (1) rotation connection, are equipped with rod aperture (7) at the top of the valve body (1),
Valve body (1) top is welded with the bar cylinder (8) communicated with rod aperture (7), has in the middle part of the sphere (3) through sphere (3) center
Through-hole (4), sphere (3) top and valve rod (9) weld, rod aperture (7) of the valve rod (9) at the top of valve body (1) with
First bevel gear (13) center weld, the valve rod (9) is rotatablely connected with bar cylinder (8) and valve rod (9) top center is equipped with bar slot
(20), the first bevel gear (13) is engaged with second bevel gear (17), and second bevel gear (17) center weld has gear
Axis (15), the first bevel gear (13), second bevel gear (17), gear shaft (15) both ends are welded with shaft (14), and two
The shaft (14) is rotatablely connected with connecting cylinder (11) two sides axis hole (10) respectively, connecting cylinder (11) bottom end and bar cylinder (8)
It welds and top and cylinder (6) bottom end is welded, gear shaft (15) side is engaged with ratch (18), ratch (18) top
It is welded with piston rod (19), the piston rod (19) passes through the piston (12) in cylinder (6) bottom end and cylinder (6) and welds.
2. a kind of heavy caliber block-proof type all-welded ball valve according to claim 1, which is characterized in that the valve body (1) two
Side welds and is connected with connecting tube (2), and cavity (5) shape is spherical and is rotatablely connected with sphere (3), the sphere
(3) through-hole (4) section at center is that round and its diameter is identical as connecting tube (2) diameter.
3. a kind of heavy caliber block-proof type all-welded ball valve according to claim 1, which is characterized in that valve rod (9) shape
Shape is that cylindrical and its diameter of section is identical as the internal diameter of rod aperture (7), bar cylinder (8), and valve rod (9) top is higher than bar cylinder (8).
4. a kind of heavy caliber block-proof type all-welded ball valve according to claim 1, which is characterized in that the first bevel gear
(13) side is vertical with the axial line of shaft (14), and the angle of the first bevel gear (13) and second bevel gear (17) is straight
Angle.
5. a kind of heavy caliber block-proof type all-welded ball valve according to claim 1, which is characterized in that the gear shaft (15)
End is fixedly connected with second bevel gear (17) center, the gear shaft (15), second bevel gear (17), shaft (14) axle center
Identical and gear shaft (15) is located on the upside of valve rod (9).
6. a kind of heavy caliber block-proof type all-welded ball valve according to claim 1, which is characterized in that the ratch (18) is
Side cuts the cylindrical body for plane and cuts plane equipped with rack gear, and the diameter of the ratch (18) is straight with piston rod (19)
Diameter is identical, and the length of diameter and ratch (18) that the diameter of the ratch (18) is less than bar slot (20) is less than the depth of bar slot (20)
Degree.
7. a kind of heavy caliber block-proof type all-welded ball valve according to claim 1, which is characterized in that cylinder (6) bottom
End and the welding of connecting cylinder (11) top and cylinder (6), connecting cylinder (11) and bar cylinder (8) are coaxially, the piston (12) and cylinder (6)
Spring (16) are equipped between inner bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822073769.2U CN209430792U (en) | 2018-12-11 | 2018-12-11 | A kind of heavy caliber block-proof type all-welded ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822073769.2U CN209430792U (en) | 2018-12-11 | 2018-12-11 | A kind of heavy caliber block-proof type all-welded ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN209430792U true CN209430792U (en) | 2019-09-24 |
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ID=67971334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822073769.2U Active CN209430792U (en) | 2018-12-11 | 2018-12-11 | A kind of heavy caliber block-proof type all-welded ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209430792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963708A (en) * | 2020-08-19 | 2020-11-20 | 杭州富阳行健塑料五金有限公司 | Water supply valve easy to open and close for indoor use |
-
2018
- 2018-12-11 CN CN201822073769.2U patent/CN209430792U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963708A (en) * | 2020-08-19 | 2020-11-20 | 杭州富阳行健塑料五金有限公司 | Water supply valve easy to open and close for indoor use |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 323006 No. 87, Tongji street, nanmingshan street, Liandu District, Lishui City, Zhejiang Province Patentee after: ERREESSE VALVE (CHINA) Co.,Ltd. Address before: 323006 No. 1, Bizhong Road, Bihu Industrial Zone, Bihu Town, Liandu District, Lishui City, Zhejiang Province Patentee before: ERREESSE VALVE (CHINA) Co.,Ltd. |