CN211624277U - Improved high-performance ball valve - Google Patents
Improved high-performance ball valve Download PDFInfo
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- CN211624277U CN211624277U CN202020109266.0U CN202020109266U CN211624277U CN 211624277 U CN211624277 U CN 211624277U CN 202020109266 U CN202020109266 U CN 202020109266U CN 211624277 U CN211624277 U CN 211624277U
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Abstract
The utility model discloses an improved high-performance ball valve, which comprises a valve body, a valve rod and a valve ball, wherein the middle part of the valve body is provided with a valve cavity, the left end and the right end of the valve cavity are respectively provided with an outlet passage and an inlet passage communicated with the valve cavity, the valve ball is matched and installed in the valve cavity of the valve body, the valve rod is in transmission connection with the valve ball, and one side of the valve ball is radially provided with a C-shaped flow hole outwards; the middle part of the upper end of the valve body is provided with an installation opening communicated with the valve cavity, and a valve cover is fixed on the installation opening in a sealing and blocking manner; this practical novel simple structure, convenient to use, when later stage maintenance, need not dismantle alright maintenance with the valve from the pipeline to can practice thrift the time of dismantling down the valve from the pipeline, improve work efficiency and maintenance speed, and this valve adopts two-way mechanical seal, improves its sealed effect, makes it also can play good sealed effect under the poor condition of high pressure.
Description
Technical Field
The utility model belongs to the technical field of the valve, concretely relates to improve high performance ball valve.
Background
The valve is a control part in a pipeline fluid conveying system, is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters of a conveying medium, has the functions of diversion, cut-off, throttling, non-return, flow splitting or overflow pressure relief and the like, and can be divided into a cut-off valve, a check valve, an adjusting valve and the like according to the functions; the existing valves are all sealed by the close contact of a valve core and a sealing surface, and the valve core rotates to open a flow passage.
When the existing valve is closed or opened, erosion and abrasion are easily caused between a valve core and a sealing surface of the valve, the valve core is easily damaged, after the valve core is damaged, a valve seat and the valve core are parallelly arranged in a valve body and are arranged in a pipeline, workers can only dismount the valve for maintenance, the maintenance is difficult, the pipeline outage time is too long, the existing eccentric ball valve is of a side-mounted structure, the eccentric ball valve is in one-way sealing, a good sealing effect is difficult to achieve under the condition of high pressure difference, and the sealing precision is not high.
SUMMERY OF THE UTILITY MODEL
The defect and the problem that exist to current ball valve, the utility model provides an improve high performance ball valve, this valve simple structure, convenient to use, when later stage maintenance, need not dismantle the valve from the pipeline alright maintenance to can practice thrift the time of dismantling the valve from the pipeline, improve work efficiency and maintenance speed, and this valve adopts two-way mechanical seal, improve its sealed effect, make it also can play good sealed effect under the condition of high-pressure difference, thereby solved the difficult maintenance in current valve later stage, sealed not good problem of effect.
The utility model provides a scheme that its technical problem adopted is: an improved high-performance ball valve comprises a valve body, a valve rod and a valve ball, wherein a valve cavity is arranged in the middle of the valve body, an outlet channel and an inlet channel which are communicated with the valve cavity are respectively arranged at the left end and the right end of the valve cavity, the valve ball is installed in the valve cavity of the valve body in a matching mode, the valve rod is in transmission connection with the valve ball, and a C-shaped flow hole is radially formed in one side of the valve ball outwards; the middle part of the upper end of the valve body is provided with an installation port communicated with the valve cavity, the upper part of the installation port is sealed and fixed with a valve cover, the valve rod is sealed and rotatably fixed in the middle of the valve seat, the lower end of the valve rod extends into the valve cavity and is in transmission connection with the valve ball, and the valve ball can be driven to rotate through the valve rod, so that the circulation and the closing of the valve cavity are controlled; an outlet valve seat and an inlet valve seat are respectively and hermetically fixed on the communicating ports of the left and right side channels of the ball valve, the inlet valve seat comprises an inlet fixing seat and a valve pipe, the middle part of the inlet fixing seat is provided with a flow passage, and the inlet fixing seat is hermetically communicated and fixed on the communicating port of the inlet channel; one end of the valve pipe is hermetically sleeved on the inlet fixing seat, the other end of the valve pipe axially extends into the flow hole of the valve ball and is provided with an arc chamfer matched with the inner hole wall of the flow hole, and when the valve rod drives the valve ball to rotate to close the valve cavity, the chamfer end of the valve pipe can be in sealing contact with the inner hole wall of the flow hole of the valve ball to form inlet mechanical seal; meanwhile, the convex spherical surface of the valve ball can be in sealing contact with the outlet valve seat to form an outlet mechanical seal.
The outlet valve seat comprises a fixed valve plate b and a valve seat ring, the middle part of the fixed valve plate b is provided with an overflowing hole, the fixed valve plate b is fixed on a communication port of the outlet channel in a sealing manner, and the overflowing hole of the fixed valve plate b is communicated with the outlet channel; the valve seat ring is fixedly sleeved on the overflowing hole of the fixed valve plate b611 in a sealing mode, the right end of the valve seat ring 622 extends rightwards to protrude out of the fixed valve plate b, and when the valve stem drives the valve ball to rotate to close the valve cavity, the convex spherical surface of the valve ball can tightly abut against the valve seat ring and form mechanical seal on the valve seat ring.
And an annular nylon sealing gasket is sleeved in one end of the valve seat ring, which protrudes out of the fixed valve plate b.
The thickness of the ball wall between the inner hole wall of the valve ball flow hole and the outer convex spherical surface of the valve ball is gradually thinned along the clockwise direction of the circumference.
The valve cover is tightly fixed with the valve body through bolts, and a sealing component is arranged between the valve cover and the valve body.
The valve comprises a valve ball, a valve rod and a valve rod, wherein the valve ball is provided with a valve seat, the valve rod is provided with a valve hole, the valve hole is communicated with the valve hole, the valve rod is provided with a valve ball, the valve ball is provided with a valve hole, the valve hole is communicated with the valve hole, the valve rod is provided with a valve rod, the.
The utility model has the advantages that: the utility model provides an improve high performance ball valve compares altogether xx advantage of department with current ball valve:
1. the utility model provides an improve high performance ball valve, the valve body middle part is equipped with the valve pocket, and open at valve body upper end middle part has the installing port with the valve pocket intercommunication, is fixed with the valve gap through the bolt seal shutoff on the installing port, through dismantling the valve gap alright change the case in the valve pocket, need not dismantle the valve from the pipeline get off, later stage easy maintenance to the time of valve under having practiced thrift the follow-up dismantlement of pipeline improves work efficiency and maintenance speed.
2. The utility model provides an improve high performance ball valve, the valve ball matches and installs in the valve pocket of valve body, and sealed respectively being fixed with export disk seat and entry disk seat on the intercommunication mouth of valve ball left and right sides passageway, the valve rod is connected with the valve ball transmission, and when closing the valve pocket through valve pipe drive valve ball, the valve ball pushes up simultaneously with the export disk seat and the entry disk seat of both sides and touches and form two-way mechanical seal, makes the valve also can play good sealed effect under the poor condition of high pressure.
3. The utility model provides an improve high performance ball valve, ball wall thickness between valve ball discharge orifice inner bore wall and the valve ball evagination sphere thinns gradually along circumference clockwise, when clockwise rotation valve ball closed the valve pocket, and the contact between export disk seat and entry disk seat and the ball wall becomes inseparabler along with valve ball clockwise rotation to the leakproofness of valve has been improved, makes the leakproofness of valve better.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is another schematic view of the present invention.
Fig. 3 is a solid diagram of the valve body structure of the present invention.
Fig. 4 is a schematic structural view of the inlet valve seat of the present invention.
Fig. 5 is a schematic structural view of the valve ball of the present invention.
Figure 6 is a schematic diagram of the thickness of the ball wall of the valve ball of the present invention.
Fig. 7 is an installation schematic diagram of the nylon sealing gasket in the outlet valve seat of the present invention.
Reference numbers in the figures: the valve comprises a valve body 1, a valve cavity 11, an inlet channel 12, an outlet channel 13, a mounting port 14, a fixing shaft 15, a sealing member 16, a sealing groove 17, a valve cover 2, a valve rod 3, a dust ring 31, a sealing ring 32, a boss 33, a valve ball 4, a flow hole 41, a groove 42, an inlet valve seat 5, an inlet fixing seat 51, a fixing valve plate a511, a fixing section 512, a valve pipe 52, an inlet sealing cavity 53, an outlet valve seat 6, a fixing valve plate b61, a valve seat ring 62, a sealing boss 63, a nylon sealing gasket 64, an outlet sealing cavity 65 and a rubber sealing ring 7.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
The embodiment provides an improved high-performance ball valve, as shown in fig. 1 and fig. 3, the improved high-performance ball valve comprises a valve body 1, a valve rod 3 and a valve ball 4, a valve cavity 11 is arranged in the middle of the valve body 1, an outlet passage 13 and an inlet passage 12 communicated with the valve cavity 11 are respectively arranged at the left end and the right end of the valve cavity 11, and the valve ball 4 is installed in the valve cavity 11 of the valve body 1 in a matching manner, specifically: the bottom of the valve cavity 1 is provided with a fixed shaft 15 protruding upwards, the fixed shaft 15 is sleeved with a shaft sleeve, the middle part of the bottom end face of the valve ball 4 is provided with a mounting hole matched with the shaft sleeve on the fixed shaft 15, and a sleeve seat is fixed on the shaft sleeve of the fixed shaft 15; as shown in fig. 5, a C-shaped flow hole 41 is radially opened on one side of the valve ball 4, an installation opening 14 communicated with the valve cavity 11 is opened in the middle of the upper end of the valve body 1, a bonnet 2 is fixed on the installation opening 14 by a bolt, a sealing member 16 is arranged between the bonnet 2 and the valve body 1, the sealing member 16 is a sealing ring, specifically: open on the valve body 1 outside the installing port 14 has cyclic annular seal groove 17, installs the sealing washer in the seal groove 17, and the sealing washer upwards protrudes the seal groove, when valve gap 2 passes through the bolt shutoff to be fixed on the installing port of valve body 1, valve gap 2 can be to the sealing washer of the protruding seal groove of extrusion in the seal groove 17 to make be sealed fixed connection between valve gap 2 and the valve body 1.
The middle part of valve gap 2 is opened has the valve rod fixed orifices corresponding with fixed axle 15 in the valve chamber 11, and the sealed suit of rotating of valve rod 3 is in the valve rod fixed orifices, and the lower extreme downwardly extending of valve rod 3 is connected with 4 transmissions of valve ball in the valve chamber 11, specifically: the middle part of the upper end of the valve ball 4 is provided with a strip-shaped groove 42, the middle part of the lower end surface of the valve rod 3 is provided with a strip-shaped boss 33 matched with the upper end of the valve ball, the boss 33 is fixedly embedded in the groove 42 of the valve ball 4, when the valve rod 3 rotates, the boss 33 embedded in the groove 42 of the valve ball 4 can drive the valve ball 4 to rotate around the fixed shaft 15 in the valve cavity 11, and therefore the circulation and the closing of the valve cavity 11 are controlled.
As shown in fig. 2, the communicating ports of the left and right channels of the ball valve are respectively fixed with an outlet valve seat and an inlet valve seat in a sealing manner, the inlet valve seat 5 comprises an inlet fixing seat 51 and a valve pipe 52, the middle part of which is provided with the overflowing channel, the inlet fixing seat 51 is fixed on the communicating port of the inlet channel 12 in a sealing and communicating manner, specifically: as shown in fig. 4, the inlet fixing seat 51 includes a fixed valve plate a511 and a tubular fixing section 512, the outer annular surface of the left end of the fixing section 512 is stepped, the middle of the fixed valve plate a511 is provided with a flow passing hole, the right end of the fixing section 512 of the inlet fixing seat 51 is hermetically sleeved in the flow passing hole, the fixed valve plate a511 is hermetically fixed on the inlet passage 12 on the right cavity wall of the valve cavity 11 through a bolt, and the fixing section 512 is hermetically communicated with the inlet passage 12.
The right end of the valve pipe 52 is hermetically sleeved on the fixed section 512, an annular inlet sealing cavity 53 is formed by the outer annular surface of the left end of the fixed section 512 and the inner annular surface of the right end of the valve pipe 52, a rubber sealing ring 7 is sleeved in the inlet sealing cavity 53 in a matching manner, the rubber sealing ring 7 enables the valve pipe 52 to be more tightly connected with the fixed section 512, the left end of the valve pipe 52 axially extends into the flow hole 41 of the valve ball 4, the left end of the valve pipe 52 is provided with an arc chamfer matched with the inner hole wall of the flow hole 41, and when the valve ball 4 is driven by the valve rod 3 to rotate to close the valve cavity 11, the left end of the valve pipe 52 can be in sealing contact with the inner hole wall of the flow hole 41 of.
As shown in fig. 3, the outlet valve seat comprises a fixed valve plate b61 and a valve seat ring 62, the middle part of the fixed valve plate b61 is also provided with an overflowing hole, the fixed valve plate b61 is fixed on the outlet channel 13 of the valve cavity 11 seat wall through bolt sealing, and the overflowing hole of the fixed valve plate b61 is communicated with the outlet channel 13; valve seat ring 62 seals fixed suit on the discharge orifice of fixed valve plate b61, and valve seat ring 62's right-hand member extends the fixed valve plate b611 of protrusion right, rotate when valve rod 3 drive valve ball 4 and close valve pocket 11, the left end of valve pipe 52 and the interior pore wall sealing contact of valve ball 4 discharge orifice 41 form import mechanical seal, valve ball 4's evagination sphere can seal the top and touch and form export mechanical seal on valve seat ring 62's right-hand member ring mouth, compare with current sealing valve, the plug valve that this embodiment provided adopts two-way mechanical seal, the leakproofness is better.
The improvement high performance ball valve that this embodiment provided, moreover, the steam generator is simple in structure, high durability and convenient use, after the case in the valve body 1 damages, the back is demolishd to the bolt that will fix valve gap 2, alright dismantle the case in the change valve pocket 11 through installing port 14 on the valve body 1, need not dismantle alright maintenance valve down with the valve from the pipeline, thereby practiced thrift the time of dismantling the valve and installing the valve from the pipeline, maintenance work efficiency and maintenance duration have been improved, and the improvement high performance plug valve that this embodiment provided adopts two-way mechanical seal, make it also can play good sealing effect under the poor condition of high pressure.
Example 2
Example 2 differs from example 1 in that an annular nylon seal is fitted inside the projecting end of the seat ring.
As shown in fig. 7, a nylon sealing pad 64 is fittingly sleeved in the right end of the fixed valve plate b61 protruding from the valve seat ring 62, a convex annular sealing convex ring platform 63 is fittingly and sealingly sleeved in the valve seat ring 62 on the left side of the nylon sealing pad, the right ring surface of the sealing convex ring platform is tightly abutted to the nylon sealing pad, the left ring surface of the sealing convex ring platform 63 is flush with the left ring surface of the valve seat ring 62, the diameter of the inner ring of the sealing convex ring platform is consistent with the diameter of the outlet channel 13, an annular sealing groove is formed in the middle of the left ring surface of the sealing convex ring platform 63 along the circumference and is provided with a rubber sealing ring 7, the rubber sealing ring 7 protrudes outwards from the sealing groove, and when the fixed valve plate b611 is fittingly and sealingly fixed on the outlet channel 13 on the left cavity wall of the valve cavity 11 through bolts, the sealing convex ring platform 63 is.
Compared with the embodiment 1, the improved high-performance ball valve provided by the embodiment has the advantages that when the valve ball 4 is driven by the valve rod 3 to rotate to close the valve cavity 11, the outer convex spherical surface of the valve ball 4 can not only be in sealing contact with the valve seat ring 62 to form an outlet mechanical seal, but also the outer convex spherical surface of the valve ball 4 extending into the valve seat ring 62 can be in sealing contact with the nylon sealing gasket 64 in the valve seat ring 62 to form an outlet soft seal, so that the sealing performance of the valve seat is improved.
Example 3
As shown in fig. 5 and 6, the thickness of the ball wall between the inner hole wall of the flow hole 41 of the valve ball 4 and the outer convex spherical surface of the valve ball 4 becomes gradually thinner along the clockwise direction of the circumference, and the right end of the valve seat ring 62 is provided with a chamfer which is matched with the outer convex spherical surface of the valve ball 4.
When the valve ball 4 is driven by the valve rod 3 clockwise to rotate clockwise to close the valve cavity 11, the left end opening of the valve pipe 52 is in sealing contact with the inner hole wall of the flow hole 41 of the valve ball 4 to form inlet mechanical seal, meanwhile, the outer convex spherical surface of the valve ball 4 can be in sealing contact with the right end opening of the valve seat ring 62 to form outlet mechanical seal, and as the thickness of the ball wall between the inner hole wall of the flow hole 41 of the valve ball 4 and the outer convex spherical surface of the valve ball 4 becomes thinner gradually along the clockwise direction of the circumference, when the valve ball 4 rotates clockwise continuously, the outer convex spherical surface of the valve ball 4 and the inner hole wall of the flow hole 41 can contact with the right end opening of the valve seat ring 62 and the left end opening of the valve pipe 52 respectively along with the clockwise rotation of the valve ball 4, so that.
Claims (6)
1. An improved high-performance ball valve comprises a valve body, a valve rod and a valve ball, wherein a valve cavity is arranged in the middle of the valve body, an outlet passage and an inlet passage which are communicated with the valve cavity are respectively arranged at the left end and the right end of the valve cavity, the valve ball is installed in the valve cavity of the valve body in a matching mode, the valve rod is in transmission connection with the valve ball, and the improved high-performance ball valve is characterized in that a C-shaped flow hole is radially formed in one side of the valve ball outwards; the middle part of the upper end of the valve body is provided with an installation port communicated with the valve cavity, the upper part of the installation port is sealed and fixed with a valve cover, the valve rod is sealed and rotatably fixed in the middle of the valve seat, the lower end of the valve rod extends into the valve cavity and is in transmission connection with the valve ball, and the valve ball can be driven to rotate through the valve rod, so that the circulation and the closing of the valve cavity are controlled; an outlet valve seat and an inlet valve seat are respectively and hermetically fixed on the communicating ports of the left and right channels of the valve ball, the inlet valve seat comprises an inlet fixing seat and a valve pipe, the middle part of the inlet fixing seat is provided with a flow passage, and the inlet fixing seat is hermetically communicated and fixed on the communicating port of the inlet channel; one end of the valve pipe is hermetically sleeved on the inlet fixing seat, the other end of the valve pipe axially extends into the flow hole of the valve ball and is provided with an arc chamfer matched with the inner hole wall of the flow hole, and when the valve rod drives the valve ball to rotate to close the valve cavity, the chamfer end of the valve pipe can be in sealing contact with the inner hole wall of the flow hole of the valve ball to form inlet mechanical seal; meanwhile, the convex spherical surface of the valve ball can be in sealing contact with the outlet valve seat to form an outlet mechanical seal.
2. The improved high-performance ball valve as claimed in claim 1, wherein the outlet valve seat comprises a fixed valve plate b and a valve seat ring, the middle part of the fixed valve plate b is provided with an overflowing hole, the fixed valve plate b is hermetically fixed on the communication port of the outlet channel, and the overflowing hole of the fixed valve plate b is communicated with the outlet channel; the sealed fixed suit of valve seat ring is on the discharge orifice of fixed valve plate b, and the right-hand member of valve seat ring extends the fixed valve plate b of protrusion right, and when valve rod drive valve ball rotated and closed the valve pocket, the protruding sphere of valve ball can closely contradict on the valve seat ring and form mechanical seal in the valve seat ring.
3. The improved high performance ball valve of claim 2 wherein an annular nylon gasket is sleeved in one end of said seat ring projecting from said stationary valve plate b.
4. The improved high performance ball valve of claim 1 wherein the thickness of the ball wall between the inner bore wall of the valve ball flow bore and the outer convex spherical surface of the valve ball tapers circumferentially clockwise.
5. The improved high performance ball valve as recited in claim 1 wherein the bonnet is tightly secured to the valve body by bolts and a sealing member is disposed between the bonnet and the valve body.
6. The improved high-performance ball valve as claimed in claim 1, wherein a strip-shaped groove is formed in the middle of the upper end of the valve ball, a strip-shaped boss matched with the upper end of the valve ball is arranged in the middle of the lower end face of the valve rod, and the boss is fixedly embedded in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020109266.0U CN211624277U (en) | 2020-01-18 | 2020-01-18 | Improved high-performance ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020109266.0U CN211624277U (en) | 2020-01-18 | 2020-01-18 | Improved high-performance ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN211624277U true CN211624277U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020109266.0U Active CN211624277U (en) | 2020-01-18 | 2020-01-18 | Improved high-performance ball valve |
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| CN (1) | CN211624277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115949768A (en) * | 2022-12-27 | 2023-04-11 | 盐城市苏豪阀业有限公司 | Top-mounted ball valve for petroleum transportation and using method thereof |
-
2020
- 2020-01-18 CN CN202020109266.0U patent/CN211624277U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115949768A (en) * | 2022-12-27 | 2023-04-11 | 盐城市苏豪阀业有限公司 | Top-mounted ball valve for petroleum transportation and using method thereof |
| CN115949768B (en) * | 2022-12-27 | 2023-10-27 | 盐城市苏豪阀业有限公司 | Top-mounted ball valve for petroleum transportation and use method thereof |
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