CN212360890U - Four-way ball valve - Google Patents
Four-way ball valve Download PDFInfo
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- CN212360890U CN212360890U CN202021074583.XU CN202021074583U CN212360890U CN 212360890 U CN212360890 U CN 212360890U CN 202021074583 U CN202021074583 U CN 202021074583U CN 212360890 U CN212360890 U CN 212360890U
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- pull rod
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- ball valve
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Abstract
The utility model discloses a four-way ball valve, which comprises a valve body, wherein four groups of butt joint assemblies are arranged on the valve body, and each butt joint assembly comprises a connecting pipeline and a flange arranged on the end surface of the connecting pipeline; the end surface of the connecting pipeline is provided with a positioning groove, the flange is provided with a positioning convex ring matched with the positioning groove, and the inner end surface of the flange is abutted against the end surface of the connecting pipeline; the flanges on the two adjacent groups of butt joint assemblies are connected through a pull rod mechanism, the pull rod mechanism comprises pull rod assemblies, pull rings arranged at two ends of each pull rod assembly and lifting rings arranged on the flanges, and when the pull rings at two ends of each pull rod assembly respectively hook the lifting rings on the two adjacent flanges, the pull rod assemblies provide component force towards the flanges and perpendicular to the end faces of the connecting pipelines to enable the flanges and the connecting pipelines to form extrusion fit. The utility model discloses a flange and valve body adopt detachable structure, can not only avoid the valve body and the joint position fracture of flange, avoid the medium to leak, have easy processing and low in manufacturing cost's advantage moreover.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a four-way ball valve.
Background
In the petroleum refining industry, with the development of crude oil deep processing technology, most oil refineries adopt a coking unit to prepare a carbonized product from oil refining residues, namely residual oil. The conventional coking unit usually adopts a process mode that one feed line supplies three coke drum raw materials so as to improve the equipment efficiency. The bottom feeding of the coke tower is realized by controlling various valves, and the core process requirement is to switch and convey raw materials to one coke tower at required time by controlling the valves. Because of the high viscosity of residual oil, coking and carbon deposition can occur on the surfaces of parts in the valve, and particularly in the fit clearance between movable parts, coking substances and residual carbon which are continuously accumulated solidify the parts mutually, so that the valve is difficult to act or even can not act, and the valve completely fails. Due to the particularity of the process medium, special valve products are needed to be used as pipeline cut-off valves, pressure and flow regulating valves and multi-channel flow direction switching valves for pipeline transportation of high-viscosity media such as high-temperature residual oil and the like.
At present, the valve of the coking device in China mainly adopts a four-way ball valve as a bottom feeding switching valve of a coke tower. The four-way ball valve comprises a valve body, wherein an inlet flange and three outlet flanges are arranged on the valve body, and the flanges and the valve body are welded or integrally cast. Because the valve works in a high-temperature environment, the outer surface of the valve body is quickly cooled, and the inner surface is slowly cooled, when the valve body and the flange are welded, the joint of the valve body and the flange is easily cracked due to expansion caused by heat and contraction caused by cold, and a medium is easily leaked; if the valve body and the flange are integrally cast, the processing technology is complex, the processing difficulty is high, and the manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cross ball valve, the utility model discloses a flange and valve body adopt detachable structure, can not only avoid the connection position fracture of valve body and flange, avoid the medium to leak, have easy processing and low in manufacturing cost's advantage moreover.
In order to achieve the above object, the utility model provides a following technical scheme: the four-way ball valve comprises a valve body, wherein four groups of butt joint assemblies are arranged on the valve body, and each butt joint assembly comprises a connecting pipeline arranged on the valve body and a flange arranged on the end face of the connecting pipeline; the end surface of the connecting pipeline is provided with a positioning groove, the flange is provided with a positioning convex ring matched with the positioning groove, and the inner end surface of the flange is abutted against the end surface of the connecting pipeline; the flanges on the two adjacent groups of butt joint assemblies are connected through a pull rod mechanism, the pull rod mechanism comprises pull rod assemblies, pull rings arranged at two ends of each pull rod assembly and lifting rings arranged on the flanges, and when the pull rings at two ends of each pull rod assembly respectively hook the lifting rings on the two adjacent flanges, the pull rod assemblies provide component force towards the flanges and perpendicular to the end faces of the connecting pipelines to enable the flanges and the connecting pipelines to form extrusion fit.
Through adopting above-mentioned technical scheme, realize flange and connecting tube's dismantled connection, can carry out the processing of flange and valve body respectively, carry out the assembly of the two again, not only processing is convenient, low in manufacturing cost, and there is the clearance between the two, can eliminate expend with heat and contract with cold's influence, through set up rings at the flange, connect through pull rod assembly between two adjacent flanges, when the pull ring at pull rod assembly both ends catches on rings on two adjacent flanges respectively, pull rod assembly provides the component force of orientation and perpendicular to connecting tube terminal surface to the flange and impels flange and connecting tube to constitute extrusion fit, thereby improve the fixed effect of flange, and can improve the leakproofness before flange and the connecting tube, avoid the inside medium of valve body to leak from the clearance between the two.
The utility model discloses further set up to, be provided with the direction slider along circumference on the lateral wall of constant head tank, the direction slider extends along the axial, be equipped with a plurality of direction spouts with direction slider looks adaptation on the lateral wall of location bulge loop.
Through adopting above-mentioned technical scheme, can not only provide the guide effect for the installation of flange, make things convenient for the dismouting of flange, can provide circumference spacing for the flange moreover, improve flange mounting's stability.
The utility model discloses further set up to, set up sealed chamber on connecting tube's the terminal surface, inlay in the sealed chamber and be equipped with and constitute sealed complex sealing washer with the flange terminal surface.
Through adopting above-mentioned technical scheme, can further improve the leakproofness between flange and the connecting tube, avoid the medium to leak from the installation clearance between the two.
The utility model discloses further set up to, draw bar assembly includes head rod, second connecting rod and lock nut, and the head rod passes through lock nut with the second connecting rod to be connected, and lock nut overlaps the periphery of establishing at head rod and second connecting rod, the position that the head rod periphery is close to the terminal surface is equipped with first spacing portion, is equipped with the spacing portion of the inconsistent second with first spacing portion on the lock nut, the periphery of second connecting rod is equipped with the screw thread portion that constitutes threaded connection with lock nut.
Through adopting above-mentioned technical scheme, can realize pull rod assembly tensile stress's regulation, when screwing lock nut, produce opposite tensile stress between head rod and the second connecting rod, provide the component force of orientation and perpendicular to connecting tube terminal surface for the flange and impel flange and connecting tube to constitute extrusion fit, it is very convenient to operate to pull rod assembly's dismouting is very convenient, and then does benefit to the dismouting of flange.
The utility model discloses further set up to, press from both sides between head rod and the second connecting rod and be equipped with the gasket.
Through adopting above-mentioned technical scheme, add the gasket and not only have locking effect, can protect the contact site not by the crushing between head rod and the second connecting rod moreover.
The utility model discloses further set up to, the pull ring structure as an organic whole of head rod and correspondence, the second connecting rod also structure as an organic whole with the pull ring that corresponds.
Through adopting above-mentioned technical scheme, can strengthen the tensile strength of head rod and second connecting rod, prolong the life of the two.
The utility model discloses further set up to, the screw has been seted up on the flange, be equipped with the double-screw bolt on the rings, the double-screw bolt screw in the screw of flange.
Through adopting above-mentioned technical scheme, only need can accomplish the installation of rings in the screw of flange is selected into to the double-screw bolt on the rings, very convenient, the installation is firm moreover.
The utility model discloses further set up to, all draw bar assembly set up on same horizontal plane.
By adopting the technical scheme, the tensile stress borne by the four flanges can be ensured to be on the same plane, the stress uniformity and stability of the four flanges are improved, and the mounting stability of the flanges is ensured.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a schematic view of the assembly structure of the flange and the connecting pipe of the present invention;
FIG. 3 is a schematic structural view of the end face of the connecting pipe of the present invention;
fig. 4 is a schematic structural view of the flange of the present invention;
fig. 5 is a schematic structural view of the hanging ring of the present invention;
fig. 6 is a cross-sectional view of the tie rod assembly of the present invention;
fig. 7 is an enlarged schematic view of fig. 6.
In the figure: 1. a valve body; 2. a docking assembly; 21. connecting a pipeline; 22. a flange; 23. positioning a groove; 24. positioning the convex ring; 25. a guide slider; 26. a guide chute; 27. sealing the cavity; 28. a seal ring; 29. a screw hole; 3. a drawbar assembly; 31. a pull ring; 32. a first connecting rod; 321. a first limiting part; 33. a second connecting rod; 331. a threaded portion; 34. locking the nut; 341. a second limiting part; 35. a gasket; 4. a hoisting ring; 41. a stud.
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 utility model provides a four-way ball valve, as shown in the attached figures 1-7, comprising a valve body 1, four groups of butt joint assemblies 2 are arranged on the valve body 1, each butt joint assembly 2 comprises a connecting pipeline 21 arranged on the valve body 1 and a flange 22 arranged on the end surface of the connecting pipeline 21, the connecting pipeline 21 and the valve body 1 are integrated, and the flange 22 and the connecting pipeline 21 are separated; a positioning groove 23 is formed in the end surface of the connecting pipeline 21, a positioning convex ring 24 matched with the positioning groove 23 is arranged on the flange 22, and the inner end surface of the flange 22 is abutted to the end surface of the connecting pipeline 21; the flanges 22 on the two adjacent groups of butt joint assemblies 2 are connected through a pull rod mechanism, the pull rod mechanism comprises a pull rod assembly 3, pull rings 31 arranged at two ends of the pull rod assembly 3 and lifting rings 4 arranged on the flanges 22 (two lifting rings 4 are symmetrically arranged on each flange 22), when the pull rings 31 at two ends of the pull rod assembly 3 respectively hook the lifting rings 4 on the two adjacent flanges 22, the pull rod assembly 3 provides component force towards the flanges 22 and perpendicular to the end face of the connecting pipeline 21 to enable the flanges 22 and the connecting pipeline 21 to form extrusion fit, so that the fixing effect of the flanges 22 is improved, the sealing performance of the flanges 22 and the connecting pipeline 21 can be improved, and the medium inside the valve body 1 is prevented from leaking from a gap between the flanges and the connecting pipeline.
As shown in fig. 2-4, be provided with direction slider 25 along circumference on the lateral wall of constant head tank 23, direction slider 25 extends along the axial, be equipped with a plurality ofly on the lateral wall of location bulge loop 24 and lead the direction spout 26 of slider 25 looks adaptation, through above-mentioned structure, can not only provide the guide effect for the installation of flange 22, make things convenient for the dismouting of flange 22, can provide circumference for flange 22 moreover spacing, improve the stability of flange 22 installation. In addition, chamfers may be provided on the guide slider 25 to further facilitate its engagement with the guide runner 26.
As shown in fig. 2, a sealing cavity 27 is formed in the end face of the connecting pipe 21, a sealing ring 28 which is in sealing fit with the end face of the flange 22 is embedded in the sealing cavity 27, and the sealing ring 28 is made of a high-temperature-resistant material.
As shown in fig. 6 and 7, the pull rod assembly 3 includes a first connecting rod 32, a second connecting rod 33 and a lock nut 34, the first connecting rod 32 is connected to the second connecting rod 33 through the lock nut 34, the lock nut 34 is sleeved on the peripheries of the first connecting rod 32 and the second connecting rod 33, a first limiting portion 321 is disposed at a position of the periphery of the first connecting rod 32 close to the end surface, a second limiting portion 341 abutting against the first limiting portion 321 is disposed on the lock nut 34, and a thread portion 331 forming a threaded connection with the lock nut 34 is disposed on the periphery of the second connecting rod 33. Through the structure, the tensile stress of the pull rod assembly 3 can be adjusted, when the locking nut 34 is screwed, opposite tensile stress is generated between the first connecting rod 32 and the second connecting rod 33, component force towards and perpendicular to the end face of the connecting pipeline 21 is provided for the flange 22, so that the flange 22 and the connecting pipeline 21 form extrusion fit, the operation is very convenient, the pull rod assembly 3 is very convenient to disassemble and assemble, and the flange 22 is further facilitated to disassemble and assemble.
As shown in fig. 7, a gasket 35 is interposed between the first connecting rod 32 and the second connecting rod 33, and the additional gasket 35 not only has a function of preventing loosening, but also can protect the contact portion between the first connecting rod 32 and the second connecting rod 33 from being crushed.
The first connecting rods 32 and the corresponding pull rings 31 are of an integrated structure, and the second connecting rods 33 and the corresponding pull rings 31 are of an integrated structure, so that the tensile strength of the first connecting rods 32 and the tensile strength of the second connecting rods 33 can be enhanced through the design, and the service lives of the first connecting rods and the second connecting rods are prolonged.
As shown in fig. 4 and 5, the flange 22 is provided with a screw hole 29, the hanging ring 4 is provided with a stud 41, the stud 41 is screwed into the screw hole 29 of the flange 22, and the hanging ring 4 can be mounted only by selecting the stud 41 on the hanging ring 4 into the screw hole 29 of the flange 22, which is very convenient and firm.
In addition, all tie rod assemblies 3 set up on same horizontal plane to can guarantee that the tensile stress that four flanges 22 receive is on the coplanar, improve the homogeneity and the stability of four flanges 22 atress, thereby guarantee the steadiness of flange 22 installation.
The working principle is as follows: the utility model can realize the detachable connection of the flange 22 and the connecting pipeline 21, can respectively process the flange 22 and the valve body 1, and then assemble the flange 22 and the valve body 1 (only by embedding the positioning convex ring 24 on the flange 22 into the positioning groove 23 on the end surface of the connecting pipeline 21), has convenient processing and low manufacturing cost, and has a gap between the flange 22 and the valve body, thereby eliminating the influence of thermal expansion and cold contraction, through arranging the hanging rings 4 on the flange 22 and connecting two adjacent flanges 22 through the pull rod component 3, when the pull rings 31 at the two ends of the pull rod component 3 respectively hook the hanging rings 4 on the two adjacent flanges 22, the pull rod component 3 provides the direction for the flange 22 and is vertical to the component force of the end surface of the connecting pipeline 21 to promote the flange 22 to form the extrusion fit with the connecting pipeline 21, thereby improving the fixing effect of the flange 22 and improving the sealing performance before the flange 22, the medium inside the valve body 1 is prevented from leaking from the gap between the two.
Claims (8)
1. The four-way ball valve comprises a valve body (1), wherein four groups of butt joint assemblies (2) are arranged on the valve body (1), and each butt joint assembly (2) comprises a connecting pipeline (21) arranged on the valve body (1) and a flange (22) arranged on the end face of the connecting pipeline (21); the method is characterized in that: a positioning groove (23) is formed in the end face of the connecting pipeline (21), a positioning convex ring (24) matched with the positioning groove (23) is arranged on the flange (22), and the inner end face of the flange (22) is abutted to the end face of the connecting pipeline (21); the flanges (22) on the two adjacent groups of butt joint assemblies (2) are connected through a pull rod mechanism, the pull rod mechanism comprises pull rod assemblies (3), pull rings (31) arranged at two ends of each pull rod assembly (3) and lifting rings (4) arranged on the flanges (22), and when the pull rings (31) at two ends of each pull rod assembly (3) hook the lifting rings (4) on the two adjacent flanges (22) respectively, the pull rod assemblies (3) provide the flanges (22) with the orientation and enable the flanges (22) and the connecting pipelines (21) to form extrusion fit through component force perpendicular to the end faces of the connecting pipelines (21).
2. The four-way ball valve of claim 1, wherein: be provided with direction slider (25) along circumference on the lateral wall of constant head tank (23), direction slider (25) extend along the axial, be equipped with a plurality of direction spout (26) with direction slider (25) looks adaptation on the lateral wall of location bulge loop (24).
3. The four-way ball valve of claim 1, wherein: the end face of the connecting pipeline (21) is provided with a sealing cavity (27), and a sealing ring (28) which is in sealing fit with the end face of the flange (22) is embedded in the sealing cavity (27).
4. The four-way ball valve of claim 1, wherein: pull rod assembly (3) include head rod (32), second connecting rod (33) and lock nut (34), and head rod (32) are connected through lock nut (34) with second connecting rod (33), and the periphery at head rod (32) and second connecting rod (33) is established in lock nut (34) cover, the position that head rod (32) periphery is close to the terminal surface is equipped with first spacing portion (321), is equipped with spacing portion (341) of second inconsistent with first spacing portion (321) on lock nut (34), the periphery of second connecting rod (33) is equipped with screw thread portion (331) that constitute threaded connection with lock nut (34).
5. The four-way ball valve of claim 4, wherein: and a gasket (35) is clamped between the first connecting rod (32) and the second connecting rod (33).
6. The four-way ball valve of claim 4, wherein: the first connecting rods (32) and the corresponding pull rings (31) are of an integrated structure, and the second connecting rods (33) and the corresponding pull rings (31) are of an integrated structure.
7. The four-way ball valve of claim 1, wherein: the flange (22) is provided with a screw hole (29), the hanging ring (4) is provided with a stud (41), and the stud (41) is screwed into the screw hole (29) of the flange (22).
8. The four-way ball valve of claim 1, wherein: all the pull rod assemblies (3) are arranged on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021074583.XU CN212360890U (en) | 2020-06-11 | 2020-06-11 | Four-way ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021074583.XU CN212360890U (en) | 2020-06-11 | 2020-06-11 | Four-way ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212360890U true CN212360890U (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021074583.XU Active CN212360890U (en) | 2020-06-11 | 2020-06-11 | Four-way ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212360890U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484062A (en) * | 2022-03-17 | 2022-05-13 | 浙江成达特种阀门厂 | Four-way ball valve operating mechanism capable of avoiding misoperation |
| CN114484011A (en) * | 2022-03-17 | 2022-05-13 | 浙江成达特种阀门厂 | Sealing mechanism capable of improving sealing performance of four-way ball valve |
-
2020
- 2020-06-11 CN CN202021074583.XU patent/CN212360890U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484062A (en) * | 2022-03-17 | 2022-05-13 | 浙江成达特种阀门厂 | Four-way ball valve operating mechanism capable of avoiding misoperation |
| CN114484011A (en) * | 2022-03-17 | 2022-05-13 | 浙江成达特种阀门厂 | Sealing mechanism capable of improving sealing performance of four-way ball valve |
| CN114484011B (en) * | 2022-03-17 | 2023-12-05 | 浙江成达特种阀门有限公司 | Sealing mechanism capable of improving sealing performance of four-way ball valve |
| CN114484062B (en) * | 2022-03-17 | 2024-02-27 | 浙江成达特种阀门有限公司 | Four-way ball valve operating mechanism capable of avoiding misoperation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 325000 Dongou Industrial Zone, Oubei street, Yongjia County, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Chengda special valve Co.,Ltd. Address before: 325000 Dongfang Industrial Zone, Oubei Town, Yongjia County, Wenzhou City, Zhejiang Province Patentee before: Zhejiang Chengda Special Valve Factory |
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| CP03 | Change of name, title or address |