CN209876013U - Double-valve-seat track ball valve - Google Patents
Double-valve-seat track ball valve Download PDFInfo
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- CN209876013U CN209876013U CN201920737623.5U CN201920737623U CN209876013U CN 209876013 U CN209876013 U CN 209876013U CN 201920737623 U CN201920737623 U CN 201920737623U CN 209876013 U CN209876013 U CN 209876013U
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Abstract
The utility model discloses a double-disk seat track ball valve, including valve body and valve gap, the valve gap is located the valve body top, and passes through bolted connection between valve gap and the valve body, and the inside center department of valve body is provided with the ball lamella, and the inside ball lamella below department that is located of valve body is provided with the bush, and the bush top is provided with the support spheroid, and ball lamella bottom center department has seted up the ball groove, supports the spheroid and inlays and locates inside the ball groove, and the inside center department of valve gap runs through and is provided with the valve rod, and the valve rod top extends to the valve gap outside and is connected with the runner, and the valve. The utility model is suitable for a valve, ball lamella bottom sprag structure adopt support spheroid and ball groove block in this valve, and the agreeable nature of this kind of spherical cooperation structure is good, no matter how the spheroid swings can not change its central point all the time and put, and the spherical cooperation is the anchor ring contact, and the contact surface is big, difficult wearing and tearing, and spherical cooperation does not have the dead angle, does not produce phenomenons such as hydrops coking.
Description
Technical Field
The utility model belongs to the technical field of the valve, specifically be a double-disk seat track ball valve.
Background
The valve (valve) is a control component in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for a valve of a fluid control system, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like from the simplest stop valve to various valves used in a very complicated automatic control system, and the valves are further divided into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316 and the like), chromium molybdenum steel valves, chromium molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, non-standard customized valves and the like according to the materials;
the base structure of the prior track type ball valve is in an inner cylinder shape, and the ball end of the ball body is in an oblate shape; the ball end is arranged in the base and forms a rotating mechanism when the ball body swings, the ball end is in point contact with the base, when the valve is closed, the ball valve contact point is easy to wear in the stress use process, the ball center and the valve seat center deviate after the ball bottom end is worn, so that the valve is not tightly closed, the oblate ball end is matched with the inner cylindrical base, when the valve is closed, the ball body swings and inclines, the annular surfaces of the ball body and the valve seat center are in line contact, the line contact is easy to wear in the stress use process, the ball center and the valve seat center deviate in the same way, so that the valve is not tightly closed, the ball end is matched with the base to leave dead corners, liquid is easy to accumulate at the dead corners, the ball end is coked or crystallized, and the valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the problem among the background art, provide a double-disk seat track ball valve.
The utility model adopts the technical scheme as follows:
a double-valve-seat track ball valve comprises a valve body and a valve cover, wherein the valve cover is positioned above the valve body, the valve cover is connected with the valve body through bolts, a ball flap is arranged at the center of the inside of the valve body, lower valve seats are arranged at two sides below the ball flap inside the valve body, upper valve seats are arranged at two sides above the ball flap inside the valve body, a bushing is arranged at the position below the ball flap inside the valve body, a supporting ball body is arranged above the bushing, a ball groove is formed at the center of the bottom of the ball flap, the supporting ball body is embedded in the ball groove, a limiting plate is arranged at the position above the ball flap inside the valve body, the limiting plate is fixed with the valve body through bolts, a valve rod penetrates through the center of the inside of the valve cover, the top of the valve rod extends to the outer side of the, the bottom of the valve rod penetrates through the limiting plate to be connected with the ball clack.
Wherein, the central line of the outer side of the valve cover is provided with a grease injection valve.
The bottom of the valve rod is provided with a gear, the top of the ball valve is provided with a tooth groove, and the gear is meshed and connected in the tooth groove.
Wherein the inner diameter of the ball groove is consistent with the outer diameter of the support ball.
Wherein, the top of the valve cover is in threaded sleeve connection with a sealing cover.
The outer diameter of the ball valve is larger than the inner diameter of the valve body, and a through hole transversely penetrates through the ball valve.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, the bottom sprag structure of ball lamella adopts support spheroid and ball groove block, and the agreeable nature of this kind of spherical cooperation structure is good, no matter how the spheroid swings can not change its central point all the time, and the spherical cooperation is the anchor ring contact, and the contact surface is big, difficult wearing and tearing, and spherical cooperation does not have the dead angle, does not produce phenomenons such as hydrops coking, has eliminated this valve and has leaded to closing not tight phenomenon because of wearing and tearing when using.
2. The utility model discloses in, valve gap outside central line department of this valve is provided with annotates the fat valve, annotate the fat valve and be used for filling into lubricating grease between valve gap and the valve rod, reduce the wearing and tearing between valve gap and the valve rod, the valve rod of this valve can be taken out from the valve gap top, prevent that people from unusually opening this valve, the security of this valve has been increased, the valve gap top screw thread in this valve has cup jointed the seal closure, the seal closure is used for when the valve rod takes out, carry out the shutoff to the valve gap top, can prevent that the foreign matter from getting into the use of the inside influence valve body of valve gap.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a middle ball segment of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is the utility model discloses well limiting plate structure schematic diagram.
The labels in the figure are: 1. a rotating wheel; 2. a grease injection valve; 3. a valve cover; 301. sealing cover; 4. a valve stem; 401. a gear; 5. a limiting plate; 6. an upper valve seat; 7. a valve body; 8. a ball flap; 9. a support sphere; 10. a lower valve seat; 11. a bushing; 12. a through hole; 13. a ball groove; 14. a tooth socket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-4, a double-seat orbit ball valve comprises a valve body 7 and a valve cover 3, wherein the valve cover 3 is positioned above the valve body 7, and pass through bolted connection between valve gap 3 and the valve body 7, 7 inside centers department of valve body is provided with ball lamella 8, 7 inside positions in ball lamella 8 below both sides department of valve body are provided with down disk seat 10, 7 inside positions in ball lamella 8 top both sides department of valve body are provided with disk seat 6, 7 inside positions in ball lamella 8 below department of valve body are provided with bush 11, bush 11 top is provided with support spheroid 9, ball groove 13 has been seted up to ball lamella 8 bottom center department, support spheroid 9 inlays and locates inside ball groove 13, 7 positions in ball lamella 8 top department and is provided with limiting plate 5, pass through the bolt fastening between limiting plate 5 and the valve body 7, 3 inside centers department of valve gap runs through and is provided with valve rod 4, valve rod 4 top extends to the valve gap 3 outside and is connected with runner 1, valve rod 4 bottom passes limiting plate 5 and is connected.
By adopting the technical scheme:
the bottom supporting structure of the ball valve adopts the clamping of the supporting ball body 9 and the ball groove 13, the matching performance of the spherical matching structure is good, the central position of the ball body cannot be changed all the time no matter how the ball body swings, the spherical matching is in annular surface contact, the contact surface is large, the ball valve is not easy to wear, the spherical matching has no dead angle, and the phenomena of effusion coking and the like are not generated.
And a grease injection valve 2 is arranged at the central line of the outer side of the valve cover 3, and the grease injection valve 2 is used for filling lubricating grease between the valve cover 3 and the valve rod 4 to reduce the abrasion between the valve cover 3 and the valve rod 4.
The bottom of the valve rod 4 is provided with a gear 401, the top of the ball valve 8 is provided with a toothed groove 14, the gear 401 is meshed and connected in the toothed groove 14, and the diameter of the gear 401 is smaller than that of the valve rod 4.
By adopting the technical scheme:
the valve rod 4 can be drawn out from the upper part of the valve cover 3, so that people are prevented from opening the valve abnormally, and the safety of the valve is improved.
The inner diameter of the ball groove 13 corresponds to the outer diameter of the support ball 9.
The top of the valve cap 3 is sleeved with a sealing cover 301 through threads, and the sealing cover 301 is used for plugging the top of the valve cap 3 when the valve rod 4 is taken out, so that foreign matters are prevented from entering the valve cap 3 to influence the use of the valve body 7.
The outer diameter of the ball valve 8 is larger than the inner diameter of the valve body 7, and a through hole 12 transversely penetrates through the ball valve 8.
Working principle, referring to fig. 1-4, when in use, the sealing cover 301 is firstly taken down, the valve rod 4 is inserted into the valve body 7 from the hole at the top of the valve cover 3 until the bottom of the valve rod 4 is engaged with the tooth socket 14 at the top of the ball valve 8, then the rotating wheel 1 is rotated, the ball valve 8 is driven to rotate by the valve rod 4 when the rotating wheel 1 rotates, when the through hole 12 on the ball valve 8 rotates 90 degrees, the through hole 12 is parallel to the flow path of the valve body 7, when the valve is opened, the fluid in the valve flows out through the through hole 12, the rotating wheel 1 is rotated again, the through hole 12 on the ball valve 8 is rotated by 90 degrees, at the moment, the through hole 12 is vertical to the flow path of the valve body 7, the valve is closed, the valve rod 4 is drawn out from the upper part of the valve cover 3, the valve is prevented from being opened abnormally by people, the safety of the valve is improved, finally the sealing cover 301 is rotatably sleeved on the valve cover 3, the top of the valve cover 3 is blocked, and foreign matters are prevented from entering the valve cover 3 to influence the use of the valve body 7.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a double-disk seat track ball valve, includes valve body (7) and valve gap (3), its characterized in that: the valve cover (3) is positioned above the valve body (7), the valve cover (3) is connected with the valve body (7) through bolts, a ball flap (8) is arranged at the center inside the valve body (7), lower valve seats (10) are arranged at two sides below the ball flap (8) inside the valve body (7), upper valve seats (6) are arranged at two sides above the ball flap (8) inside the valve body (7), a bush (11) is arranged at the lower side below the ball flap (8) inside the valve body (7), a supporting ball body (9) is arranged above the bush (11), a ball groove (13) is formed at the center of the bottom of the ball flap (8), the supporting ball body (9) is embedded inside the ball groove (13), a limiting plate (5) is arranged at the upper side of the ball flap (8) above the valve body (7), and the limiting plate (5) is fixed with the valve body (7) through bolts, valve gap (3) inside center department runs through and is provided with valve rod (4), valve rod (4) top extends to the valve gap (3) outside just is connected with runner (1), pass valve rod (4) bottom limiting plate (5) with ball lamella (8) are connected.
2. A double-seat orbital ball valve as defined in claim 1 wherein: and a grease injection valve (2) is arranged at the center line of the outer side of the valve cover (3).
3. A double-seat orbital ball valve as defined in claim 1 wherein: the ball valve is characterized in that a gear (401) is arranged at the bottom of the valve rod (4), a tooth groove (14) is formed in the top of the ball valve (8), and the gear (401) is meshed and connected in the tooth groove (14).
4. A double-seat orbital ball valve as defined in claim 1 wherein: the inner diameter of the ball groove (13) is consistent with the outer diameter of the supporting ball body (9).
5. A double-seat orbital ball valve as defined in claim 1 wherein: the top of the valve cover (3) is in threaded sleeve connection with a sealing cover (301).
6. A double-seat orbital ball valve as defined in claim 1 wherein: the outer diameter of the ball clack (8) is larger than the inner diameter of the valve body (7), and a through hole (12) transversely penetrates through the ball clack (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920737623.5U CN209876013U (en) | 2019-05-22 | 2019-05-22 | Double-valve-seat track ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920737623.5U CN209876013U (en) | 2019-05-22 | 2019-05-22 | Double-valve-seat track ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209876013U true CN209876013U (en) | 2019-12-31 |
Family
ID=68947471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920737623.5U Active CN209876013U (en) | 2019-05-22 | 2019-05-22 | Double-valve-seat track ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209876013U (en) |
-
2019
- 2019-05-22 CN CN201920737623.5U patent/CN209876013U/en active Active
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