CN213745127U - Heat preservation ball valve foundry goods - Google Patents
Heat preservation ball valve foundry goods Download PDFInfo
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- CN213745127U CN213745127U CN202022486309.XU CN202022486309U CN213745127U CN 213745127 U CN213745127 U CN 213745127U CN 202022486309 U CN202022486309 U CN 202022486309U CN 213745127 U CN213745127 U CN 213745127U
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Abstract
The utility model relates to the field of valve casting, in particular to a heat preservation ball valve casting, which comprises a valve body, wherein a valve cavity is arranged in the valve body, a liquid inlet and a liquid outlet are respectively arranged at the left side and the right side of the valve body, a valve rod through hole communicated with the valve cavity is arranged at the upper side of the valve body, a liquid inlet channel is arranged between the liquid inlet and the valve cavity, a step-shaped valve seat is arranged between the liquid outlet and the valve cavity, and a sealing mechanism and a supporting seat are sequentially arranged on the valve seat from inside to outside; the inner wall of the valve cavity close to the valve seat is provided with a buffer mechanism connected with the sealing mechanism; the valve cavity has the characteristics of reasonable structural design, good sealing effect, easiness in assembly and the like, and the stability between the valve cavity and the liquid inlet channel is enhanced by arranging the reinforcing ribs; through setting up first boss and second boss, can effectively improve the bulk strength of ball valve foundry goods, in follow-up processing and use, be difficult for producing the crackle, also be difficult for causing the damage of ball valve, guarantee staff's safety, increase the life of ball valve foundry goods, suitable mass production.
Description
Technical Field
The utility model relates to a valve casting field, in particular to heat preservation ball valve foundry goods.
Background
The ball valve is a valve in which an opening and closing part (a ball body) is driven by a valve rod and rotates around the axis of the ball valve, and can be used for regulating and controlling fluid. The ball valve can be divided into: pneumatic ball valves, electric ball valves, manual ball valves. The valve rod through hole of the ball valve is used for placing a valve rod, and the performance of cutting off, distributing and changing the flowing direction of a medium of the ball valve is directly influenced by the matching of the valve rod and a valve body. The fixed ball valve is provided with a floating valve seat, and the valve seat moves after being pressed by a medium, so that the sealing ring is tightly pressed on the ball body to ensure sealing. The upper and lower shafts of the ball are usually provided with bearings, so that the operation torque is small, and the ball valve is suitable for high-pressure and large-caliber valves.
The heat-insulating ball valve has good heat-insulating and cold-insulating properties, the drift diameter of the valve is consistent with the pipe diameter, and the heat loss of media in a pipeline can be effectively reduced.
In the prior art, all heat-preservation ball valves are heat-preservation flange ball valves, and have the problems of large volume, complex structure, easy leakage and poor heat-preservation effect, and a heat-preservation ball valve casting rarely makes some auxiliary measures on a connecting part between a valve rod and a valve body, the casting is very easy to shrink up in the forming process, the stable transition between a through hole of the valve rod and a cavity is directly influenced, the matching of the ball valve and the valve rod is influenced, and the performances of cutting, distributing and changing the flowing direction of a medium of the ball valve are finally influenced, so that the overall strength of the ball valve casting is low, and during subsequent processing or use, cracks are easily generated at the connecting part of the through hole and the spherical cavity, the ball valve is damaged, abrasion and even breakage are easily generated, unnecessary loss is caused, and the safety of operators is threatened; when the valve body is used in media with higher hardness, such as particles, powder and the like, the sealing effect of the valve body can be influenced by long-time scouring and corrosion.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the heat preservation ball valve in the prior art has large volume, complex structure, easy leakage and poor heat preservation effect; in the prior art, the joint of the through hole and the spherical cavity is easy to crack, so that the ball valve is damaged, is easy to wear and even break, causes unnecessary loss and threatens the safety of operators; when the heat-preservation ball valve casting is used in media with higher hardness, such as particles, powder and the like, the sealing effect of the valve body can be influenced by long-time scouring and corrosion, and the heat-preservation ball valve casting with the optimized structure is further provided.
The technical scheme provided by the utility model is that a heat preservation ball valve casting is provided, which comprises a valve body, a valve cavity is arranged in the valve body, a liquid inlet and a liquid outlet are respectively arranged at the left side and the right side of the valve body, a valve rod through hole communicated with the valve cavity is arranged at the upper side of the valve body, a liquid inlet channel is arranged between the liquid inlet and the valve cavity, a step-shaped valve seat is arranged between the liquid outlet and the valve cavity, and a sealing mechanism and a supporting seat are sequentially arranged on the valve seat from inside to outside; and a buffer mechanism connected with the sealing mechanism is arranged on the inner wall of the valve cavity close to the valve seat.
Preferably, sealing mechanism includes by interior to be first sealing washer, second sealing washer and the third sealing washer of echelonment setting outward, first sealing washer card is located in buffer gear, the second sealing washer is connected in buffer gear, the third sealing washer is connected with the supporting seat.
Preferably, the buffer mechanism is provided with a first buffer ring and a second buffer ring in sequence from the valve cavity to the valve seat, and the second buffer ring is connected with the second sealing ring.
Preferably, the thickness of the first buffer ring is smaller than that of the second buffer ring.
Preferably, a reinforcing rib is arranged between the liquid inlet channel and the valve cavity.
Preferably, one side of the inner wall of the valve cavity, which is close to the liquid inlet passage, is provided with a clearance groove.
Preferably, a plurality of slotted holes are formed in the valve cavity, and any slotted hole faces the liquid inlet.
Preferably, the outer side of the valve rod through hole is sequentially provided with a first reinforcing block, a packing layer, a second reinforcing block and a sealing layer from inside to outside of the valve cavity.
Preferably, a gasket is arranged between the first reinforcing block and the filler layer.
Preferably, a packing pressing sleeve is arranged between the packing layer and the second reinforcing block.
Compared with the prior art, the utility model, the beneficial effect who brings is: the sealing structure of the heat-preservation ball valve is improved by arranging the step-shaped valve seat, and the heat-preservation ball valve has the characteristics of reasonable structural design, good sealing effect, easiness in assembly and the like; the durability of the heat-preservation ball valve is enhanced by arranging the first buffer ring and the second buffer ring; the reinforcing ribs are arranged between the liquid inlet channel and the valve cavity, so that the stability between the valve cavity and the liquid inlet channel is enhanced; the first reinforcing block and the second reinforcing block are arranged outside the through hole of the valve rod, so that the overall strength of a ball valve casting can be effectively improved, cracks are not easy to generate in the subsequent processing and using processes, the ball valve is not easy to damage, the safety of workers is ensured, the service life of the ball valve casting is prolonged, and the ball valve casting is suitable for batch production; through the arrangement of the slotted hole, static electricity generated in the valve body can be effectively removed, and electric sparks are prevented from being generated; through setting up the clearance groove, guarantee that the valve body still leaves the space with the case after violently contracting, prevent effectively that the inner wall that the valve body caused because of the shrink from bumping with the case, ensure that case structural integrity, wearing and tearing are little at normal use in-process, long service life and excellent in use effect.
Drawings
FIG. 1 is a schematic structural section view of a thermal insulation ball valve casting according to the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the scope of the present invention is not limited thereto.
As shown in fig. 1-2, the utility model relates to a heat preservation ball valve casting, including a valve body 1, a valve cavity 2 is arranged in the valve body 1, a liquid inlet 3 and a liquid outlet 4 are respectively arranged at the left and right sides of the valve body 1, a valve rod through hole 5 communicated with the valve cavity 2 is arranged at the upper side of the valve body 1, a liquid inlet passage 6 is arranged between the liquid inlet 3 and the valve cavity 2, a step-shaped valve seat 7 is arranged between the liquid outlet 4 and the valve cavity 2, and the valve seat 7 is sequentially provided with a sealing mechanism 8 and a supporting seat 9 from inside to outside; and a buffer mechanism 10 connected with the sealing mechanism 8 is arranged on the inner wall of the valve cavity 2 close to the valve seat 7.
The utility model discloses in, the medium flows in from going into liquid mouth 3, flows out from liquid outlet 4.
The utility model discloses in, sealing mechanism 8 includes by interior and outer first sealing washer 81, second sealing washer 82 and the third sealing washer 83 that is the echelonment setting, first sealing washer 81 card is located in buffer gear 10, second sealing washer 82 is connected in buffer gear 10, third sealing washer 83 is connected with supporting seat 9.
The utility model discloses in, supporting seat 9 is used for supporting and fixes a position disk seat 7.
In this embodiment, the first sealing ring 81 is a hard sealing ring, and can be made of hard metal materials such as steel and alloy, which is resistant to high temperature and wear and has good mechanical properties.
In this embodiment, the second sealing ring 82 and the third sealing ring 83 are soft sealing rings, and may be made of elastic non-metallic materials such as rubber, and have good sealing performance.
The utility model discloses in, second sealing washer 82 and third sealing washer 83 also can be hard sealing washer, and the material of concrete sealing washer can be set up by oneself according to the actual demand by the technical personnel in this field.
The utility model discloses in, buffer gear 10 is equipped with first buffering circle 101 and second buffering circle 102 from valve chamber 2 to 7 directions of disk seat in proper order, second buffering circle 102 is connected with second sealing washer 82 and is set up.
The utility model discloses in, first buffering circle 101 and second buffering circle 102 have reduced the possibility that valve seat 7 avoided directly being strikeed through reducing many times to the medium impulsive force, are fit for using widely.
In the present invention, the thickness of the first buffer ring 101 is smaller than the thickness of the second buffer ring 102.
The utility model discloses in, the shock-absorbing capacity of first buffering circle 101 and second buffering circle 102 increases according to thickness in proper order.
The utility model discloses in, go into to be equipped with strengthening rib 13 between liquid passageway 6 and valve pocket 2, strengthen valve pocket 2 and go into the stability between liquid passageway 6.
The utility model discloses in, 2 inner walls of valve pocket are close to and are equipped with the clearance groove 11 of keeping away on one side of income liquid passageway 6, guarantee that valve body 1 still leaves the space with the case after violent shrink, prevent effectively that inner wall that valve body 1 caused because the shrink from bumping with the case mutually, ensure that the case is complete, wearing and tearing are little at the in-process structure of normal use, long service life and excellent in use effect.
The utility model discloses in, be equipped with a plurality of slotted holes 12 in the valve pocket 2, arbitrary slotted hole 12 sets up towards going into liquid mouth 3.
The utility model discloses in, be used for installing the static steel ball in the slotted hole 12, can effectively get rid of the static that produces in the valve body 1, prevent to produce the electric spark.
The utility model discloses in, valve rod through hole 5's the outside is equipped with first boss 51, packing layer 52, second boss 53 and sealing layer 54 from valve pocket 2 from inside to outside in proper order.
The utility model discloses in, through setting up first boss 51 and second boss 53, can effectively improve the bulk strength of ball valve foundry goods, in follow-up processing and use, be difficult for the crackle that produces, also be difficult for causing the damage of ball valve, guaranteed staff's safety, increased the life of ball valve foundry goods, suitable mass production.
The utility model discloses in, packing layer 52 generally adopts asbestos, graphite etc. to strengthen sealing performance, prevents that the valve from carrying the medium outward to leak.
The utility model discloses in, the material of sealing layer 54 can be materials such as butyl rubber, acrylic ester, and specific material can be set up by oneself according to the difference of flowing medium by the technical personnel in the field.
The utility model discloses in, be equipped with gasket 55 between first boss 51 and packing layer 52, be convenient for install, dismantle, it is not fragile.
The utility model discloses in, be equipped with between packing layer 52 and second boss 53 and pack and press cover 56, compress tightly the filler to guarantee the leakproofness between filler and the valve rod.
Compared with the prior art, the utility model, the beneficial effect who brings is: the sealing structure of the heat-preservation ball valve is improved by arranging the step-shaped valve seat 7, and the heat-preservation ball valve has the characteristics of reasonable structural design, good sealing effect, easiness in assembly and the like; the durability of the heat preservation ball valve is enhanced by arranging the first buffer ring 101 and the second buffer ring 102; the reinforcing ribs 13 are arranged between the liquid inlet channel 6 and the valve cavity 2, so that the stability between the valve cavity 2 and the liquid inlet channel 6 is enhanced; the first reinforcing block 51 and the second reinforcing block 53 are arranged on the outer side of the valve rod through hole 5, so that the overall strength of a ball valve casting can be effectively improved, cracks are not easy to generate in the subsequent processing and using processes, the ball valve is not easy to damage, the safety of workers is ensured, the service life of the ball valve casting is prolonged, and the ball valve casting is suitable for batch production; through the arrangement of the slotted hole 12, static electricity generated in the valve body 1 can be effectively removed, and electric sparks are prevented from being generated; through setting up clearance groove 11, guarantee that valve body 1 still leaves the space with the case after violent shrink, effectively prevent that inner wall that valve body 1 caused because the shrink from bumping with the case, ensure that the case is complete in normal use in-process structure, wearing and tearing are little, long service life and excellent in use effect.
Claims (10)
1. The utility model provides a heat preservation ball valve foundry goods, includes valve body (1), its characterized in that: a valve cavity (2) is arranged in the valve body (1), a liquid inlet (3) and a liquid outlet (4) are respectively arranged on the left side and the right side of the valve body (1), a valve rod through hole (5) communicated with the valve cavity (2) is arranged on the upper side of the valve body (1), a liquid inlet channel (6) is arranged between the liquid inlet (3) and the valve cavity (2), a step-shaped valve seat (7) is arranged between the liquid outlet (4) and the valve cavity (2), and a sealing mechanism (8) and a supporting seat (9) are sequentially arranged on the valve seat (7) from inside to outside; and a buffer mechanism (10) connected with the sealing mechanism (8) is arranged on the inner wall of the valve cavity (2) close to the valve seat (7).
2. A thermo ball valve casting according to claim 1, wherein: sealing mechanism (8) are including being first sealing washer (81), second sealing washer (82) and third sealing washer (83) that the echelonment set up from inside to outside, buffer gear (10) are located in first sealing washer (81) card, second sealing washer (82) are connected in buffer gear (10), third sealing washer (83) are connected with supporting seat (9).
3. A thermo ball valve casting according to claim 2, wherein: the buffer mechanism (10) is sequentially provided with a first buffer ring (101) and a second buffer ring (102) from the valve cavity (2) to the valve seat (7), and the second buffer ring (102) is connected with the second sealing ring (82).
4. A thermo ball valve casting according to claim 3, wherein: the thickness of the first buffer ring (101) is smaller than that of the second buffer ring (102).
5. A thermo ball valve casting according to claim 1, wherein: and a reinforcing rib (13) is arranged between the liquid inlet channel (6) and the valve cavity (2).
6. A thermo ball valve casting according to claim 1, wherein: and a clearance groove (11) is formed in one side, close to the liquid inlet channel (6), of the inner wall of the valve cavity (2).
7. A thermo ball valve casting according to claim 1, wherein: a plurality of slotted holes (12) are formed in the valve cavity (2), and any slotted hole (12) faces the liquid inlet (3).
8. A thermo ball valve casting according to claim 1, wherein: the outer side of the valve rod through hole (5) is sequentially provided with a first reinforcing block (51), a packing layer (52), a second reinforcing block (53) and a sealing layer (54) from inside to outside from the valve cavity (2).
9. A thermo ball valve casting according to claim 8, wherein: and a gasket (55) is arranged between the first reinforcing block (51) and the filler layer (52).
10. A thermo ball valve casting according to claim 8, wherein: and a packing pressing sleeve (56) is arranged between the packing layer (52) and the second reinforcing block (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022486309.XU CN213745127U (en) | 2020-11-02 | 2020-11-02 | Heat preservation ball valve foundry goods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022486309.XU CN213745127U (en) | 2020-11-02 | 2020-11-02 | Heat preservation ball valve foundry goods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213745127U true CN213745127U (en) | 2021-07-20 |
Family
ID=76818502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022486309.XU Active CN213745127U (en) | 2020-11-02 | 2020-11-02 | Heat preservation ball valve foundry goods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213745127U (en) |
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2020
- 2020-11-02 CN CN202022486309.XU patent/CN213745127U/en active Active
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