CN211738113U - Forged steel three-way ball valve - Google Patents
Forged steel three-way ball valve Download PDFInfo
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- CN211738113U CN211738113U CN202020284336.6U CN202020284336U CN211738113U CN 211738113 U CN211738113 U CN 211738113U CN 202020284336 U CN202020284336 U CN 202020284336U CN 211738113 U CN211738113 U CN 211738113U
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Abstract
The utility model discloses a forged steel three-way ball valve, which comprises a valve body, a hand wheel, a transmission case, a valve rod, a valve core and a rotating shaft, wherein an inner cavity is arranged in the valve body, and the side part of the valve body is provided with three first valve ports and a second valve port which are communicated with the inner cavity; a first pressure pipe penetrates through the first valve port, a butt flange is arranged at the outer end of the first pressure pipe, a second pressure pipe penetrates through the second valve port, and a sealing plate fixed on the second valve port is arranged at the outer end of the second pressure pipe; the first pressure pipe and the second pressure pipe both extend into the inner cavity, a first valve seat is arranged at the inner end of the first pressure pipe, a first sealing ring in extrusion fit with the valve core is arranged on the first valve seat, a second valve seat is arranged at the inner end of the second pressure pipe, and a second sealing ring in extrusion fit with the valve core is arranged on the second valve seat. The utility model discloses not only have easy dismounting, sealed effectual and long service life's characteristics, moreover the utility model discloses lower production greatly rises originally.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a forged steel tee bend ball valve.
Background
The traditional three-way ball valve has T shape and L shape. The T shape can make three orthogonal pipelines mutually communicated and cut off a third channel, thereby playing the roles of shunting and converging. The L-shaped three-way ball valve type can only connect two mutually orthogonal pipelines, cannot simultaneously keep the mutual communication of a third pipeline, and only plays a role in distribution.
The design and the manufacturing difficulty of the traditional three-way ball valve are that the valve seat on four sides is adopted, the valve core is difficult to normally pack into the valve body, the traditional upper-mounting structure valve body is large, the structure weight is large, the number of parts is increased, the cost is higher, and the deformation is easily generated under the stress of a pipeline, so that the service life is shortened, a gap exists between the valve core and the valve seat when the valve core is matched with the valve seat, and the sealing effect is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a forged steel tee bend ball valve, the utility model discloses not only have easy dismounting, sealed effectual and long service life's characteristics, moreover the utility model discloses greatly lower production rise originally.
In order to achieve the above object, the utility model provides a following technical scheme: a forged steel three-way ball valve comprises a valve body, a hand wheel, a transmission case, a valve rod, a valve core and a rotating shaft, wherein an inner cavity is formed in the valve body, three first valve ports and one second valve port which are communicated with the inner cavity are formed in the side portion of the valve body, the transmission case is arranged on the upper portion of the valve body, the valve core is arranged in the inner cavity, a flow channel is formed in the valve core, the input end of the transmission case is connected with the hand wheel, the output end of the transmission case is connected with the valve rod, the rotating shaft is detachably arranged at the bottom of the valve body, the rotating shaft and the valve rod are coaxially arranged; a first pressure pipe penetrates through the first valve port, a butt flange is arranged at the outer end of the first pressure pipe, a second pressure pipe penetrates through the second valve port, and a sealing plate fixed on the second valve port is arranged at the outer end of the second pressure pipe; the first pressure pipe and the second pressure pipe both extend into the inner cavity, a first valve seat is arranged at the inner end of the first pressure pipe, a first sealing ring in extrusion fit with the valve core is arranged on the first valve seat, a second valve seat is arranged at the inner end of the second pressure pipe, and a second sealing ring in extrusion fit with the valve core is arranged on the second valve seat.
Preferably, the first pressure pipe is provided with a fixing ring positioned outside the valve body, and the fixing ring is fixed on the valve body through a bolt; the diameter of the sealing plate is larger than the outer diameter of the second pressure pipe, and the sealing plate is fixed on the valve body through a bolt.
Preferably, the fixing ring is connected with support legs and lifting lugs through bolts, the bottom of each support leg is provided with a first through hole, and each lifting lug is provided with a second through hole.
Preferably, the first pressure pipe is connected with the first valve seat in an interference fit manner, and a third sealing ring is clamped between the first pressure pipe and the first valve seat; the second pressure pipe is connected with the second valve seat in an interference fit mode, and a fourth sealing ring is clamped between the second pressure pipe and the second valve seat.
Preferably, the outer end of the rotating shaft is provided with a limiting plate, and the limiting plate is fixed on the valve body through a bolt.
Preferably, the valve core is provided with an upper circular groove and a lower circular groove, a clamping groove is arranged in the upper circular groove, the bottom of the valve rod extends into the upper circular groove, a clamping block matched with the clamping groove is arranged at the bottom end of the valve rod, and the inner end of the rotating shaft is matched with the upper circular groove.
The utility model discloses a technological effect and advantage:
1. compared with the three-way ball valve with the original upper-mounted structure, the utility model is designed into the side-mounted structure, and the side part of the valve body is provided with three first valve ports and a second valve port, the first valve port is used for penetrating a first pressure pipe, the second valve port is used for penetrating a second pressure pipe, the inner end of the first pressure pipe is provided with a first valve seat, the first valve seat is provided with a first sealing ring, the inner end of the second pressure pipe is provided with a second valve seat, the second valve seat is provided with a second sealing ring, the three first valve seats and the second valve seat are propped against the valve core, the top of the valve core is connected with the valve rod, the bottom of the valve core is supported and limited by a rotating shaft, namely, the valve core is fixed by connecting the valve rod and the rotating shaft with the valve core, and the three first valve seats and the second valve seats are propped against four evenly distributed fulcrums formed on the valve core, so that the valve core is more, and the service life of the valve core is prolonged. The outer end that the pipe was pressed to the second has the closing plate that is fixed in on the second valve mouth, can realize through dismantling the closing plate that the case is packed into the valve body inner chamber or is taken out the valve body inner chamber, and is very convenient, can improve dismouting efficiency greatly, and the pipe is pressed to the second moreover and the closing plate structure is very simple, and processing is very convenient, can not only alleviate overall structure weight, can show the use that reduces spare part moreover to reduce production greatly, improved the market competition of product.
2. The utility model discloses press the pipe at the first solid fixed ring that sets up to pass through the bolt fastening with solid fixed ring on the valve body, realize that the first fixed of pressing the pipe, the second presses the closing plate of pipe to pass through the bolt fastening and realizes that the second presses the fixed of pipe on the valve body, and the dismouting is very convenient, and especially the second is pressed the pipe, because of its convenient dismouting, so can realize shifting over to or taking out the valve body fast of case, thereby improved production efficiency and maintenance efficiency greatly, reduction in production cost and cost of maintenance by a wide margin.
3. The utility model discloses a bolt is fixed stabilizer blade and lug on solid fixed ring, and the stabilizer blade is used for overall structure's support to can consolidate the stabilizer blade through passing the mounting first through-hole on the stabilizer blade, thereby stabilize overall structure, set up the second through-hole on the lug and be favorable to lifting device to stretch into and form the stress point and hoist or carry work.
4. The utility model discloses the first pipe of pressing is pressed with first disk seat and second and is pressed pipe and second valve seat and all be connected through interference fit's mode, and the dismouting is very convenient, and is fixed effectual moreover, in addition, set up on first disk seat and press pipe complex third sealing washer with first, set up on the second disk seat and press pipe complex fourth sealing washer with the second to the first pipe of reinforcing is pressed and is pressed between pipe and the first disk seat and the second is pressed and press the leakproofness between pipe and the second valve seat.
5. The utility model discloses it is spacing that the limiting plate is used for the pivot to set up the outer end in the pivot, and the limiting plate is through the bolt fastening on the valve body to accomplish the location of pivot, make the dismouting of pivot become more convenient, simultaneously, lift pivot and second off and press the pipe dismantlement that can accomplish the case, it is very convenient.
6. The utility model discloses offer round slot and lower round slot on the case, the valve rod stretches into in the round slot and the fixture block of valve rod bottom agrees with mutually with the draw-in groove of last round slot, realizes the linkage of valve rod and case, and the inner of pivot agrees with mutually with last round slot simultaneously and realizes that the case is connected with the rotation of pivot to the pivot has support and spacing effect to the case, and this kind of fixed knot of case constructs not only easy dismounting, and fixed effectual moreover.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is an exploded view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
In the figure: 1. a valve body; 2. a hand wheel; 3. a transmission case; 4. butting flanges; 5. a sealing plate; 6. a valve stem; 7. a valve core; 8. an inner cavity; 9. a flow channel; 10. a rotating shaft; 11. a first valve port; 12. a second valve port; 13. a first pressure pipe; 14. a fixing ring; 15. a first valve seat; 16. a first seal ring; 17. a third seal ring; 18. a second pressure pipe; 19. a second valve seat; 20. a second seal ring; 21. a fourth seal ring; 22. a support leg; 23. lifting lugs; 24. a limiting plate; 25. an upper circular groove; 26. a lower circular groove; 27. a card slot; 28. a clamping block; 29. a first through hole; 30. a second via.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b): the forged steel three-way ball valve shown in the attached figures 1-3 comprises a valve body 1, a hand wheel 2, a transmission case 3, a valve rod 6, a valve core 7 and a rotating shaft 10, wherein an inner cavity 8 is arranged in the valve body 1, three first valve ports 11 and a second valve port 12 which are communicated with the inner cavity 8 are arranged on the side portion of the valve body 1, the transmission case 3 is arranged on the upper portion of the valve body 1, the valve core 7 is arranged in the inner cavity 8, a flow channel 9 is arranged in the valve core 7, the flow channel 9 is of an L-shaped structure, the input end of the transmission case 3 is connected with the hand wheel 2, the output end of the transmission case 3 is connected with the valve rod 6, the rotating shaft 10 is detachably arranged at the bottom of the valve body 1, the rotating shaft 10 and the valve rod 6 are coaxially; a first pressure pipe 13 penetrates through the first valve port 11 (the interior of the first pressure pipe 13 is used for materials to pass through), a butt flange 4 is arranged at the outer end of the first pressure pipe 13, the butt flange 4 can be fixed on the first pressure pipe 13 in a welding or threaded connection mode, a second pressure pipe 18 penetrates through the second valve port 12, a sealing plate 5 fixed on the second valve port 12 is arranged at the outer end of the second pressure pipe 18, the sealing plate 5 and the second pressure pipe 18 are integrated, and the sealing plate 5 prevents the materials from flowing out of the valve body 1 through the second pressure pipe 18; the first pressure pipe 13 and the second pressure pipe 18 both extend into the inner cavity 8, a first valve seat 15 is arranged at the inner end of the first pressure pipe 13, a first sealing ring 16 in extrusion fit with the valve core 7 is arranged on the first valve seat 15, a second valve seat 19 is arranged at the inner end of the second pressure pipe 18, and a second sealing ring 20 in extrusion fit with the valve core 7 is arranged on the second valve seat 19.
As shown in fig. 2, a fixing ring 14 located outside the valve body 1 is disposed on the first pressure pipe 13, the fixing ring 14 is integrated with the first pressure pipe 13, and the fixing ring 14 is fixed to the valve body 1 (i.e., located at the outer end of the first valve port 11) by bolts; the diameter of the sealing plate 5 is larger than the outer diameter of the second pressure pipe 18, and the sealing plate 5 is fixed on the valve body 1 (i.e. at the position of the outer end of the second valve port 12) through bolts. The structure is very convenient to disassemble and assemble, and particularly the second pressure pipe 18 is convenient to disassemble and assemble, so that the valve core 7 can be quickly rotated into or taken out of the valve body 1, the production efficiency and the maintenance efficiency are greatly improved, and the production cost and the maintenance cost are greatly reduced.
As shown in fig. 2, the fixing ring 14 is connected to a supporting leg 22 and a lifting lug 23 through a bolt (i.e., a bolt for fixing the fixing ring 14 to the valve body 1), a first through hole 29 is formed at the bottom of the supporting leg 22, and a second through hole 30 is formed in the lifting lug 23. The supporting leg 22 is used for supporting the whole structure, and the fixing part can penetrate through the first through hole 29 on the supporting leg 22 to reinforce the supporting leg 22, so that the whole structure is stabilized, and the second through hole 30 is formed in the lifting lug 23, so that a lifting tool can stretch into the supporting leg and form a stress point for lifting or carrying.
The first pressure pipe 13 is connected with the first valve seat 15 in an interference fit manner, and a third sealing ring 17 is clamped between the first pressure pipe 13 and the first valve seat 15; the second pressure pipe 18 and the second valve seat 19 are connected in an interference fit manner, and a fourth sealing ring 21 is arranged between the second pressure pipe 18 and the second valve seat 19. The matching mode is convenient to disassemble and assemble and good in fixing effect, and the sealing performance between the first pressure pipe 13 and the first valve seat 15 and between the second pressure pipe 18 and the second valve seat 19 can be enhanced through the third sealing ring 17 and the fourth sealing ring 21.
As shown in fig. 1 and fig. 2, the outer end of the rotating shaft 10 is provided with a limiting plate 24, and the limiting plate 24 is fixed on the valve body 1 through a bolt, so that the rotating shaft 10 is positioned, the rotating shaft 10 is more convenient to disassemble, and the valve core 7 can be disassembled by disassembling the rotating shaft 10 and the second pressing pipe 18, which is very convenient.
As shown in fig. 3, the valve element 7 is provided with an upper circular groove 25 and a lower circular groove 26, the upper circular groove 25 is provided with a clamping groove 27 (the section of the clamping groove 27 may be triangular or rectangular), the bottom of the valve rod 6 extends into the upper circular groove 25, and the bottom end of the valve rod 6 is provided with a clamping block 28 (the section of the clamping block 28 is the same as the section of the clamping groove 27) matching with the clamping groove 27, so that the valve rod 6 and the valve element 7 are linked, the inner end of the rotating shaft 10 matches with the upper circular groove 25, the rotating shaft 10 has supporting and limiting effects on the valve element 7, and the fixing structure of the valve element 7 is not only convenient to disassemble and assemble, but also has good fixing effect.
Furthermore, the utility model discloses be suitable for four-way ball valve equally, only need on second valve port 12 first press pipe 13 and closing plate 5 replacement for the second press pipe 18, solid fixed ring 14 and the structure that flange 4 constitutes can.
The working principle is as follows: compared with the three-way ball valve with the original upper-mounted structure, the utility model is designed into the side-mounted structure, and the side part of the valve body 1 is provided with three first valve ports 11 and one second valve port 12, the first valve port 11 is used for penetrating the first pressure pipe 13, the second valve port 12 is used for penetrating the second pressure pipe 18, the inner end of the first pressure pipe 13 is provided with a first valve seat 15, the first valve seat 15 is provided with a first sealing ring 16, the inner end of the second pressure pipe 18 is provided with a second valve seat 19, the second valve seat 19 is provided with a second sealing ring 20, the three first valve seats 15 and the second valve seat 19 are propped against the valve core 7, the top part of the valve core 7 is connected with the valve rod 6, the bottom part of the valve core 7 is supported and limited by the rotating shaft 10, namely, the valve core 7 is fixed by connecting the valve rod 6 and the rotating shaft 10, and the three first valve seats 15 and the second valve seat 19 are propped against the valve core 7 to form, the valve core 7 is more firmly installed and more stably stressed, the sealing performance of the valve core 7 can be greatly improved, and the service life of the valve core 7 is prolonged. The outer end that the pipe 18 was pressed to the second has the closing plate 5 that is fixed in on the second valve port 12, can realize through dismantling closing plate 5 that case 7 packs into valve body 1 inner chamber 8 or takes out valve body 1 inner chamber 8, and is very convenient, can improve dismouting efficiency greatly, and the pipe 18 is pressed to the second and closing plate 5 structure is very simple moreover, and processing is very convenient, can not only alleviate overall structure weight, can show the use that reduces spare part moreover, thereby has reduceed production greatly, has improved the market competition of product.
Claims (6)
1. A forged steel three-way ball valve comprises a valve body (1), a hand wheel (2), a transmission case (3), a valve rod (6), a valve core (7) and a rotating shaft (10), an inner cavity (8) is arranged in the valve body (1), three first valve ports (11) and one second valve port (12) which are communicated with the inner cavity (8) are arranged at the side part of the valve body (1), the transmission case (3) is arranged at the upper part of the valve body (1), the valve core (7) is arranged in the inner cavity (8), a flow passage (9) is arranged in the valve core (7), the input end of the transmission case (3) is connected with the hand wheel (2), the output end of the transmission case (3) is connected with the valve rod (6), the rotating shaft (10) is detachably arranged at the bottom of the valve body (1), the rotating shaft (10) and the valve rod (6) are coaxially arranged, the top of the valve core (7) is in linkage arrangement with the valve rod (6), and the bottom of the valve core (7) is rotationally connected with the rotating shaft (10); the method is characterized in that: a first pressure pipe (13) penetrates through the first valve port (11), a butt flange (4) is arranged at the outer end of the first pressure pipe (13), a second pressure pipe (18) penetrates through the second valve port (12), and a sealing plate (5) fixed on the second valve port (12) is arranged at the outer end of the second pressure pipe (18); the pressure pipe is pressed to first pipe (13) and second and all stretches into inner chamber (8), the inner of pressing pipe (13) is equipped with first disk seat (15), is equipped with on first disk seat (15) with case (7) extrusion fit's first sealing washer (16), the inner of pressing pipe (18) is equipped with second disk seat (19) to the second, is equipped with on second disk seat (19) with case (7) extrusion fit's second sealing washer (20).
2. The forged steel three-way ball valve of claim 1, wherein: the first pressure pipe (13) is provided with a fixing ring (14) positioned outside the valve body (1), and the fixing ring (14) is fixed on the valve body (1) through a bolt; the diameter of the sealing plate (5) is larger than the outer diameter of the second pressing pipe (18), and the sealing plate (5) is fixed on the valve body (1) through bolts.
3. The forged steel three-way ball valve of claim 2, wherein: the fixing ring (14) is connected with a support leg (22) and a lifting lug (23) through bolts, a first through hole (29) is formed in the bottom of the support leg (22), and a second through hole (30) is formed in the lifting lug (23).
4. The forged steel three-way ball valve of claim 1, wherein: the first pressure pipe (13) is connected with the first valve seat (15) in an interference fit mode, and a third sealing ring (17) is clamped between the first pressure pipe (13) and the first valve seat (15); the second pressure pipe (18) is connected with the second valve seat (19) in an interference fit mode, and a fourth sealing ring (21) is clamped between the second pressure pipe (18) and the second valve seat (19).
5. The forged steel three-way ball valve of claim 1, wherein: and a limiting plate (24) is arranged at the outer end of the rotating shaft (10), and the limiting plate (24) is fixed on the valve body (1) through a bolt.
6. The forged steel three-way ball valve of claim 1, wherein: the valve core (7) is provided with an upper circular groove (25) and a lower circular groove (26), a clamping groove (27) is formed in the upper circular groove (25), the bottom of the valve rod (6) extends into the upper circular groove (25), a clamping block (28) matched with the clamping groove (27) is arranged at the bottom end of the valve rod (6), and the inner end of the rotating shaft (10) is matched with the upper circular groove (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020284336.6U CN211738113U (en) | 2020-03-10 | 2020-03-10 | Forged steel three-way ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020284336.6U CN211738113U (en) | 2020-03-10 | 2020-03-10 | Forged steel three-way ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN211738113U true CN211738113U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020284336.6U Active CN211738113U (en) | 2020-03-10 | 2020-03-10 | Forged steel three-way ball valve |
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| Country | Link |
|---|---|
| CN (1) | CN211738113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339550A (en) * | 2021-07-14 | 2021-09-03 | 上海巨良阀门集团有限公司 | High temperature resistant ready-package three-way ball valve |
-
2020
- 2020-03-10 CN CN202020284336.6U patent/CN211738113U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339550A (en) * | 2021-07-14 | 2021-09-03 | 上海巨良阀门集团有限公司 | High temperature resistant ready-package three-way ball valve |
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