CN208381359U - Worm gear all-welded ball valve - Google Patents
Worm gear all-welded ball valve Download PDFInfo
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- CN208381359U CN208381359U CN201820457414.0U CN201820457414U CN208381359U CN 208381359 U CN208381359 U CN 208381359U CN 201820457414 U CN201820457414 U CN 201820457414U CN 208381359 U CN208381359 U CN 208381359U
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- middle body
- worm gear
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Abstract
The utility model discloses worm gear all-welded ball valves, including middle body, valve body, valve seat support ring, sphere, valve rod, hanging ring, pedestal and gear, valve body includes left valve barrel and right valve barrel, left valve barrel and right valve barrel are respectively welded in middle body both ends, liner plate is fixedly installed with by liner plate pin in valve body, Sphere orientation is installed on liner plate, valve rod one end is fixedly installed in the flat notch on sphere, the valve rod other end is connect after being pierced by middle body with gear, gear is fixedly installed on tie-plate, it is characterized in that, Upper shaft sleeve is equipped between valve rod and middle body, lubricating structure is provided at middle body and Upper shaft sleeve, lubricating structure includes sliding bearing, lubrication channel and check valve；The utility model drives sphere to rotate in a manner of worm and gear, and lubricating structure is arranged, and valve rod is made to obtain effectively lubricating, torque is reduced, the service life of poppet stem guarantees that sphere normally opens and closes, electrostatic spring promotes security performance, and erosion resistant coating promotes the service life of sphere.
Description
Technical field
The utility model belongs to machinery valve field more particularly to worm gear all-welded ball valve.
Background technique
Currently, all-welded ball valve using more and more common, be widely used in natural gas, petroleum, heat supply, chemical industry and thermoelectricity
The long-distance transport pipes such as pipe network field, however, existing all-welded ball valve has the disadvantage that
1, sphere in use is rotated with valve rod and is rotated, and valve rod is also easy to produce abrasion, and the positional shift of valve rod causes
Sphere is not easy to fasten or needs bigger torque that sphere is closed, so that sealing ring be accelerated to damage, further results in sphere
Abrasion；
2, since entire standard forms, inner components can not be replaced after being damaged, sealing performance, the peace of valve
Full performance, anticorrosion are just particularly important.
Therefore, a kind of worm gear all-welded ball valve of band lubrication valve rod function is herein proposed.
Utility model content
The purpose of this utility model is to provide worm gear all-welded ball valves, and sphere is driven to turn in a manner of worm and gear
It is dynamic, and lubricating structure is set, so that valve rod is obtained effectively lubricating, reduce torque, the service life of poppet stem is guaranteeing sphere just
Often opening and closing, electrostatic spring promote security performance, and erosion resistant coating promotes the service life of sphere.
The utility model in order to solve the above technical problems, adopts the following technical scheme that worm gear all-welded ball valve, including in
Body, valve body, valve seat support ring, sphere, valve rod, hanging ring, pedestal and gear, the valve body include left valve barrel and right valve barrel,
Left valve barrel and right valve barrel are respectively welded in middle body both ends, and the valve body is interior to be fixedly installed with liner plate by liner plate pin, described
Sphere orientation is installed on the liner plate, and described valve rod one end is fixedly installed in the flat notch on the sphere, the valve rod
The other end is connect after being pierced by the middle body with the gear, and the gear is fixedly installed on tie-plate, the valve
It is equipped with Upper shaft sleeve between bar and the middle body, is provided with lubricating structure, the lubricating structure at the middle body and the Upper shaft sleeve
Including sliding bearing, lubrication channel and check valve.
As advanced optimizing for the utility model, lubricant inlet is provided on the check valve.
As advanced optimizing for the utility model, sphere (10) surface is equipped with erosion resistant coating, and the erosion resistant coating is molten
Tie epoxy powder coating.
Using above technical scheme, the utility model is had the advantage that
The utility model is optimized on Upper shaft sleeve position, and lubricating structure is arranged here, and lubricating structure includes profit
Plain besring, lubrication channel and check valve, and lubricant inlet is provided on check valve, lubricant passes through lubricant inlet
Into lubricating structure, lubrication bearing is made to obtain good lubrication, the torque needed for reducing valve rod when rotated, poppet stem
Service life is further ensured that the opening and closing of sphere；The electrostatic spring being arranged between valve rod and sphere promotes security performance, erosion resistant coating
Promote the service life of sphere.
As advanced optimizing for the utility model, gasket one, O-shaped close is provided between the valve rod and the Upper shaft sleeve
Seal and filler, the filler are compressed by the tie-plate, and at least three pairs are provided between the Upper shaft sleeve and the middle body
Sealing ring and gasket two.
Using above technical scheme, the utility model is arranged more between valve rod and Upper shaft sleeve and between Upper shaft sleeve and middle body
Secondary sealing part effectively prevent leaking.
As advanced optimizing for the utility model, it is provided with installation cavity in the valve body, is provided in the installation cavity
Spring, the spring offset with the valve seat support ring.
As advanced optimizing for the utility model, valve seat insert, valve base sealing are inlaid in the valve seat support ring
Circle is one of ceramic seal circle, fluorine glue sealing ring.
Using above technical scheme, the utility model uses floating type valve seat, and valve seat support ring is because of spring when sphere is closed
Effect guarantees the sealing between sphere and valve seat insert so that the position of valve seat support ring is compensated, and imitates sealing
Fruit is further promoted.
As advanced optimizing for the utility model, blowdown valve and blow valve are provided on the valve body.
Using above technical scheme, blowdown valve and blow valve is arranged in the utility model on valve body, and ball valve is discharged in blowdown valve
Internal impurity, blow valve are stabilized ball valve internal pressure.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the utility model.
Fig. 2 is another view schematic diagram of internal structure of the utility model.
Fig. 3 is the enlarged view in Fig. 2 at A.
In figure: 1, middle body, 11, valve rod, 2, valve body, 21, platform sling, 22, pedestal, 23, blowdown valve, 24, blow valve, 25 gaskets
One, 26, sliding bearing, 27, O-ring seal, 3, gear, 31, holding screw, 32, filler, 4, check valve, 5, upper axis
Set, 51, lubrication channel, 52, O-ring, 53, gasket two, 54, tie-plate, 6, spring, 7, valve seat support ring, 8, valve seat insert,
9, liner plate, 91, liner plate pin, 10, sphere.
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.
As shown in Figure 1 to Figure 3, in this specific embodiment, the utility model offer worm gear all-welded ball valve, including in
Body 1, valve body 2, valve seat support ring 7, sphere 10, valve rod 11, hanging ring 21, pedestal 22 and gear 3, the valve body 2 include a left side
Valve body and right valve barrel, left valve barrel and right valve barrel are respectively welded in solid by liner plate pin 91 in 1 both ends of the middle body, the valve body 2
Dingan County is equipped with liner plate 9, and for 10 location and installation of sphere on the liner plate 9, described 11 one end of valve rod is fixedly installed in the ball
In flat notch on body 10,11 other end of valve rod is connect after being pierced by the middle body 1 with the gear 3, the worm gear
Device 3 is fixedly installed on tie-plate 54, which is characterized in that Upper shaft sleeve 5, institute are equipped between the valve rod 11 and the middle body 1
It states and is provided with lubricating structure at middle body 1 and the Upper shaft sleeve 5, the lubricating structure includes sliding bearing 26,51 and of lubrication channel
Check valve 4；Lubricant inlet is provided on the check valve 4；Electrostatic bullet is equipped between the valve rod 11 and the sphere 10
Spring.
With the above arrangement, the utility model is optimized on 5 position of Upper shaft sleeve, lubricating structure is set here,
Lubricating structure includes lubrication bearing 26, lubrication channel 51 and check valve 4, and lubricant inlet is provided on check valve 4,
Lubricant enters lubricating structure by lubricant inlet, and lubrication bearing 26 is made to obtain good lubrication, reduces valve rod 11 and exists
Required torque when rotation, the service life of poppet stem 11 are further ensured that the opening and closing of sphere 10；Valve rod 11 and sphere 10 it
Between the electrostatic spring that is arranged promote security performance, erosion resistant coating promotes the service life of sphere 10.
As shown in figure 3, being provided with gasket 1, O-ring seal 52 and filler between the valve rod 11 and the Upper shaft sleeve 5
32, the filler 32 is compressed by the tie-plate 54, and it is secondary close that at least three are provided between the Upper shaft sleeve 5 and the middle body 1
Seal 27 and gasket 2 53；With the above arrangement, the utility model is between valve rod 11 and Upper shaft sleeve 5 and Upper shaft sleeve 5 and middle body 1
Between more secondary sealing parts are set, effectively prevent leaking.
As shown in Figure 1, be provided with installation cavity in the valve body 2, be provided with spring 6 in the installation cavity, the spring 6 with
The valve seat support ring 7 offsets；Valve seat insert 8 is inlaid in the valve seat support ring 7；With the above arrangement, this is practical new
Type uses floating type valve seat, and valve seat support ring 7 is because the effect of spring 6 is so that the position of valve seat support ring 7 obtains when sphere 10 is closed
Compensation, and then guarantee the sealing between sphere 10 and valve seat insert 8, promote sealing effect further.
As shown in Fig. 2, being provided with blowdown valve 23 and blow valve 24 on the valve body 2；With the above arrangement, 23 row of blowdown valve
Impurity inside ball valve, blow valve 24 are stabilized ball valve internal pressure out.
Working principle: Worm gear mechanism 3 is rotated with ovable valve stem 11, and the rotation of valve rod 11 drives the opening and closing of sphere 10, is so come real
The opening and closing of existing ball valve entirety；Lubricant enters lubricating structure by the lubricant inlet on check valve 4, and lubrication bearing 26 obtains
Effective lubrication, and then valve rod 11 is lubricated, the generated friction when rotated of valve rod 11 is reduced, so that valve rod 11 is when rotated
Required torque reduces, and is easy to the opening and closing of sphere 10.
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 (7)
1. worm gear all-welded ball valve, including middle body (1), valve body (2), valve seat support ring (7), sphere (10), valve rod (11), hanging ring
(21), pedestal (22) and gear (3), the valve body (2) includes left valve barrel and right valve barrel, and left valve barrel and right valve barrel weld respectively
The middle body (1) both ends are connected to, are fixedly installed with liner plate (9) in the valve body (2) by liner plate pin (91), the sphere (10)
Location and installation is on the liner plate (9), and described valve rod (11) one end is fixedly installed in the flat notch on the sphere (10), institute
It states valve rod (11) other end and is pierced by the middle body (1) and connect afterwards with the gear (3), the fixed peace of the gear (3)
Loaded on tie-plate (54), which is characterized in that between the valve rod (11) and the middle body (1) be equipped with Upper shaft sleeve (5), it is described in
It is provided with lubricating structure at body (1) and the Upper shaft sleeve (5), the lubricating structure includes sliding bearing (26), lubrication channel
(51) and check valve (4) electrostatic spring, is equipped between the valve rod (11) and the sphere (10).
2. worm gear all-welded ball valve according to claim 1, which is characterized in that be provided with lubrication on the check valve (4)
Agent inlet.
3. worm gear all-welded ball valve according to claim 1, which is characterized in that sphere (10) surface is equipped with anti-corrosion
Layer, the erosion resistant coating are External fusion bonded epoxy coating.
4. worm gear all-welded ball valve according to claim 1, which is characterized in that the valve rod (11) and the Upper shaft sleeve
(5) gasket one (25), O-ring seal (52) and filler (32) are provided between, the filler (32) passes through the tie-plate
(54) it compresses, is provided at least three secondary seal rings (27) and gasket two (53) between the Upper shaft sleeve (5) and the middle body (1).
5. worm gear all-welded ball valve according to claim 1, which is characterized in that it is provided with installation cavity in the valve body (2),
It is provided in the installation cavity spring (6), the spring (6) offsets with the valve seat support ring (7).
6. worm gear all-welded ball valve according to claim 1 or 4, which is characterized in that inlayed on the valve seat support ring (7)
Have valve seat insert (8), the valve seat insert (8) is one of ceramic seal circle, fluorine glue sealing ring.
7. worm gear all-welded ball valve according to claim 1 or 4, which is characterized in that be provided with blowdown on the valve body (2)
Valve (23) and blow valve (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820457414.0U CN208381359U (en) | 2018-04-03 | 2018-04-03 | Worm gear all-welded ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820457414.0U CN208381359U (en) | 2018-04-03 | 2018-04-03 | Worm gear all-welded ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208381359U true CN208381359U (en) | 2019-01-15 |
Family
ID=64975031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820457414.0U Active CN208381359U (en) | 2018-04-03 | 2018-04-03 | Worm gear all-welded ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208381359U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116773274A (en) * | 2023-08-28 | 2023-09-19 | 成都成高阀门股份有限公司 | Sampling device and sampling method based on ball valve |
-
2018
- 2018-04-03 CN CN201820457414.0U patent/CN208381359U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116773274A (en) * | 2023-08-28 | 2023-09-19 | 成都成高阀门股份有限公司 | Sampling device and sampling method based on ball valve |
| CN116773274B (en) * | 2023-08-28 | 2023-10-24 | 成都成高阀门股份有限公司 | Sampling device and sampling method based on ball valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325000 No. 3281 Yongqiang Road, Shacheng Street, Longwan District, Wenzhou City, Zhejiang Province Patentee after: Hangong Valve Co., Ltd. Address before: 325000 Second Floor, No. 3275 Yongqiang Road, Shacheng Street, Longwan District, Wenzhou City, Zhejiang Province Patentee before: Zhejiang Hangong Valve Co., Ltd. |