CN203202281U - Novel micro torque ball valve under high pressure - Google Patents
Novel micro torque ball valve under high pressure Download PDFInfo
- Publication number
- CN203202281U CN203202281U CN 201320164053 CN201320164053U CN203202281U CN 203202281 U CN203202281 U CN 203202281U CN 201320164053 CN201320164053 CN 201320164053 CN 201320164053 U CN201320164053 U CN 201320164053U CN 203202281 U CN203202281 U CN 203202281U
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- valve
- valve seat
- spheroid
- push rod
- pressure
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Abstract
The utility model discloses a novel micro torque ball valve under high pressure. The novel micro torque ball valve under the high pressure mainly comprises a valve rod, a connecting body, a ball body, a valve seat and a valve seat pushing mechanism, wherein the valve seat pushing mechanism comprises an under-pressure valve seat pushing mechanism and a non-pressure valve seat pushing mechanism; the under-pressure valve seat pushing mechanism comprises a driving plate which is connected with the valve rod, a top rod, an independent one-way valve, a downstream oil duct, a pressure storage cavity body and an upstream oil duct, the one-way valve is arranged in the connecting body, the pressure storage cavity body is communicated with the downstream part of the one-way valve through the downstream oil duct, and the upstream part of the one-way valve is communicated with the upstream part of a pipeline through the upstream oil duct; the pressure storage cavity body is formed by enclosing the valve seat, a pressure storage cavity body pressing plate and the connecting body, the pressure storage cavity body pressing plate is connected with a fixing plate, and the top rod is arranged on the pressure storage cavity body pressing plate and the fixing plate; and the ball body is provided with a top rod locating block, the top rod locating block is provided with a locating groove, and the tail end of the top rod is provided with a locating raised head. According to the novel micro torque ball valve under the high pressure, disclosed by the utility model, the service life is long, the sealing effect is good, and the abrasion between the ball surface and the valve seat is less.
Description
Technical field
The utility model relates to a kind of ball valve, especially little torque ball valve during a kind of novel high-pressure.
Background technique
In Chinese patent application Publication Specification CN100356096C, when the utility model people discloses a kind of high pressure without torque ball valve, this ball valve comprises valve body, connecting body, spheroid, valve rod and valve seat, valve seat is provided with accumulator, accumulator links to each other with oil-controlling device, oil-controlling device comprises top stem casing, is located at the push rod in the top stem casing, is located at one-way valve, oil input channel and oil road in the connecting body, is located at the valve seat oil duct in the valve seat; The front portion of top stem casing is positioned at connecting body, and the afterbody of top stem casing is positioned at valve body; One-way valve peaks at the top of push rod; Oil road one end connects accumulator, and the other end links to each other with oil input channel by one-way valve; Oil input channel links to each other with the valve seat oil duct, and the avris of valve rod is provided with the taper recess, and the tail end of top stem casing withstands in this taper recess; Along with top stem casing moves outward, the push rod that is positioned at top stem casing also moves outward thereupon peaking at valve rod, thereby promotes one-way valve opens, and it is oppositely mobile that the high pressure oil in the accumulator promotes valve seat, makes valve seat break away from spheroid.
The defective of this ball valve is: the one, one-way valve and connecting body are integrated processing structure, namely the valve body of one-way valve has been used the structure of connecting body, this not only processes, keeps in repair trouble, and one-way valve in a single day damaged whole connecting body all scrap high cost; The 2nd, when oppositely closing, accumulator pressure can not discharge fully, easily causes and closes not exclusively; The 3rd, when opening ball valve in the upstream without pressure, because existing with valve seat surface, sphere contact, easily cause wearing and tearing.
Summary of the invention
The purpose of this utility model is valve little torque ball valve when a kind of novel high-pressure is provided.
The utility model solves be existing be that the integral type structure causes processing trouble, maintenance cost high without the one-way valve in the torque ball valve and connecting body, and without accumulator pressure in the torque ball valve can not discharge fully and unlatching causes sphere and valve base sealing surface wear etc. during without pressure problem.
The skill scheme that the utility model technical solution problem adopts is: the utility model mainly comprises valve rod, connecting body, spheroid, valve seat and valve seat ejecting mechanism, valve seat ejecting mechanism when it is characterized in that described valve seat ejecting mechanism comprises when with pressure valve seat ejecting mechanism and with no pressure;
It is described that the valve seat ejecting mechanism comprises the driver plate, the push rod that are connected with valve rod when with pressure, independently cavity and upstream oil duct are pressed in one-way valve, downstream oil duct, storage, one-way valve is installed in the connecting body, storage presses cavity to be communicated with the downstream of one-way valve by the downstream oil duct, and the upstream of one-way valve is communicated with the pipeline upstream by the upstream oil duct;
Storage presses cavity to press cavity pressing plate and connecting body to surround by valve seat, storage, and storage presses the cavity pressing plate to be connected with fixed plate, and push rod is installed on storage and presses on cavity pressing plate and the fixed plate;
Driver plate is provided with groove, the push rod tail end is provided with end face, driver plate groove and push rod end face coupling, the push rod front end peaks at the one-way valve downstream, and push rod side-to-side movement control one-way valve opens and closes, when push rod tail end end face falls within the driver plate groove, closed check valve, push rod tail end end face breaks away from the driver plate groove, and when namely being ejected, one-way valve is opened;
The push rod positioning block is installed on the spheroid, the push rod positioning block is provided with positioning groove, the push rod tail end is provided with the location plush copper, positioning groove and location plush copper coupling, when the location of push rod afterbody plush copper falls into the positioning groove of positioning block, push rod tail end end face also falls within the driver plate groove, and the spool of one-way valve is pushed back by valve spring, closed check valve.
In the time will opening the ball valve rotation valve rod, push rod ejects first in the groove of driver plate, open check valve, and valve seat and spheroid break away from, and rotation valve rod drives spheroid and opens valve again;
In the time will closing ball valve, the counter-rotation valve rod forwards closed position to, and the valve rod positioning block engages with the position structure of push rod afterbody, and one-way valve is pushed back by valve spring, closed check valve, and ball valve is by valve base sealing.
The beneficial effects of the utility model are: the one, and one-way valve absolute construction, one-way valve of the present utility model are absolute construction, and the spool of one-way valve is located in the valve body, and valve body is installed in the one-way valve mounting hole of connecting body, realizes the separation structure of one-way valve and connecting body.This single independently one-way valve, not only easy to process, and install and maintenance also convenient, the working life of greatly having improved ball valve.The 2nd, make ball valve close sealing fully, because storage of the present utility model presses cavity to be provided with little pressure release passage, when closed check valve, storage presses the pressure in the cavity still can pass through little pressure release passage, makes ball valve close sealing fully.The 3rd, when simultaneously opening ball valve in the upstream without pressure, valve seat and spheroid are in disengaged position, and sphere and valve seat surface are contactless, have effectively protected sphere and valve seat surface.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the constitutional diagram of valve seat and spheroid.
Fig. 4 is the plan view of Fig. 3.
Fig. 5 is the structural representation of driver plate.
Fig. 6 is the structural representation at the driver plate back side.
Fig. 7 is the structural representation of valve rod.
Fig. 8 is the A-A generalized section of Fig. 7.
Fig. 9 is the left view of Fig. 7.
Figure 10 is that valve rod inserts in the constitutional diagram in the spheroid.
Figure 11 presses the structural representation of cavity pressing plate for storage.
Figure 12 is the A-A generalized section of Figure 11.
Figure 13 is the structural representation of positioning block.
Figure 14 is the A-A generalized section of Figure 13.
Figure 15 is the structural representation of push rod.
Figure 16 is the part section structural representation of push rod.
Figure 17 is the structural representation of one-way valve.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in the figure, the utility model comprises valve rod 1, connecting body 2, spheroid 3, valve seat 4 and valve seat ejecting mechanism, valve seat ejecting mechanism when it is characterized in that described valve seat ejecting mechanism comprises when with pressure valve seat ejecting mechanism and with no pressure;
It is described that the valve seat ejecting mechanism comprises the driver plate 5, the push rod 6 that are connected with valve rod when with pressure, independently cavity 8 and upstream oil duct are pressed in one-way valve 7, downstream oil duct 9, storage, one-way valve 7 is installed in the connecting body 2, storage presses cavity 8 to be communicated with the downstream of one-way valve 7 by downstream oil duct 9, and the upstream of one-way valve 7 is communicated with the pipeline upstream by upstream oil duct 10.Described one-way valve 7 is comprised of valve body 72 and spool 71, and described spool 71 is located in the valve body 72.
Storage presses cavity 8 to press cavity pressing plate 11 and connecting body 2 to surround by valve seat 4, storage, and storage presses cavity pressing plate 11 to be connected with fixed plate 12, and push rod 6 is installed on storage and presses on cavity pressing plate 11 and the fixed plate 12;
Push rod positioning block 13 is installed on the spheroid 3, push rod positioning block 13 is provided with positioning groove 131, push rod 6 tail ends are provided with location plush copper 63, positioning groove 131 and location plush copper 63 couplings, when the location of push rod afterbody plush copper 63 falls into the positioning groove 131 of positioning block 13, push rod tail end end face 61 also falls within the driver plate groove, and the spool 71 of one-way valve 7 is pushed back by valve spring 14, and one-way valve 7 is closed.
The valve seat ejecting mechanism comprises the ring-shaped step 31 of being located on the spheroid 3 during described with no pressure, be located at oblique recess 32 on the ring-shaped step 31, be located at oblique boss 41 on the valve seat 4 outer shroud end faces, be located at the spring 15 between valve seat 4 and the connecting body 2, be located at the seal ring 16 of valve seat 4 outer shrouds, oblique recess 32 and oblique boss 41 couplings; Under the ball valve closed condition, the oblique boss 41 of valve seat 4 outer shroud end faces falls in the oblique recess 32, and valve seat insert 16 is fitted with spheroid 3, the valve closing sealing; When rotating sphere 3 was opened valve, the oblique boss 41 of valve seat left the oblique recess 32 of spheroid, and valve seat 4 is backed down, and valve seat insert 16 breaks away from spheroid 3.
Described driver plate 5 is circular plate, and the central authorities of driver plate 5 are square opening 53, and limit, driver plate 5 outer ring is provided with symmetrical oblique groove 51, oblique groove 52.Spheroid about in the of 3 two ends place in the fixed plate 12.Storage presses cavity pressing plate 11 to be provided with little pressure release through hole 19, and this little pressure release through hole 19 is communicated with oil storage cavity 8.Storage presses the cross-section area 18 of cavity 8 greater than valve seat insert sectional area 17.Described valve rod 1 top is provided with square faucet section 115, and square faucet section 115 tightens with square jack 53 couplings of driver plate 5.Described spheroid 3 upper ends are provided with square recess 22, and valve rod 1 top is provided with square linkage section 122, and this square linkage section 122 inserts in the square recess 22 on spheroid 3 tops; Cut respectively an inclined-plane on four faces of described square linkage section 122, be respectively inclined-plane 132, inclined-plane 133, inclined-plane 134, inclined-plane 135, this inclined-plane so that valve stem tip insert in the square recess 22 on spheroid 3 tops interior after, leave certain running clearance 311 between valve rod 1 and the spheroid 3, this gap 311 has guaranteed that valve rod 1 continues to rotate in (spheroid does not rotate) in several angle, driving driver plate 5 rotates push rod 6 oblique groove from the driver plate 5 is ejected, and then back down one-way valve 7, make valve seat 4 pushed away from spheroid 3, after valve seat 4 pushed away from spheroid 3, valve rod 1 end has turned to gapless existence between valve rod end and spheroid recess, at this moment be rotated further again valve rod 1 and just can under little torque condition, drive spheroid 3 rotations, easily open valve;
Working principle of the present utility model is:
One, open ball valve: the valve rod on the rotation ball valve is to several angle, and when normally 1-5 spent, the driver plate that is installed on the valve rod and then rotated the 1-5 degree, and the push rod that falls within simultaneously in the oblique groove of driver plate is ejected oblique groove, promotes push rod and backs down one-way valve.
Open one-way valve, after one-way valve opens, the pressure of valve downstream enters storage by one-way valve and presses in the cavity, because storage presses the cavity design sectional area greater than the sectional area of sealing surface of seat, valve seat will be released automatically when the pressure in cavity is pressed in storage equaled upstream pressure, and valve seat is separated with spheroid.
Valve rod is forwarding 5 to when spending, and square section of valve rod touches spheroid, at this moment because sealing surface of seat breaks away from spheroid, so can be under without moment of torsion or little torque condition easily the rotation valve rod 90-degree rotation open ball valve.
Two, close ball valve: the valve rod on the backward rotation ball valve falls in the positioning groove of positioning block, meanwhile the location plush copper of push rod afterbody, push rod tail end end face also falls within the driver plate groove, at this moment the spool of one-way valve is pushed back by valve spring, closed check valve, and ball valve is also closed.
Three, open ball valve without pressure: in the time of will opening ball valve in the upstream without pressure, one when the beginning rotating sphere, and valve seat is just backed down, and spheroid and sealing surface of seat be without directly contacting, and reaches in the upstream when opening ball valve without pressure, protects the effect of sphere and valve seat surface.
Claims (8)
1. little torque ball valve during a novel high-pressure mainly comprises valve rod, connecting body, spheroid, valve seat and valve seat ejecting mechanism, valve seat ejecting mechanism when it is characterized in that described valve seat ejecting mechanism comprises when with pressure valve seat ejecting mechanism and with no pressure;
It is described that the valve seat ejecting mechanism comprises the driver plate, the push rod that are connected with valve rod when with pressure, independently cavity and upstream oil duct are pressed in one-way valve, downstream oil duct, storage, one-way valve is installed in the connecting body, storage presses cavity to be communicated with the downstream of one-way valve by the downstream oil duct, and the upstream of one-way valve is communicated with the pipeline upstream by the upstream oil duct; Described one-way valve is comprised of valve body and spool, and described spool is located in the valve body;
Storage presses cavity to press cavity pressing plate and connecting body to surround by valve seat, storage, and storage presses the cavity pressing plate to be connected with fixed plate, and push rod is installed on storage and presses on cavity pressing plate and the fixed plate;
Driver plate is provided with groove, the push rod tail end is provided with end face, driver plate groove and push rod end face coupling, the push rod front end peaks at the one-way valve downstream, and push rod side-to-side movement control one-way valve opens and closes, when push rod tail end end face falls within the driver plate groove, closed check valve, push rod tail end end face breaks away from the driver plate groove, and when namely being ejected, one-way valve is opened;
The push rod positioning block is installed on the spheroid, the push rod positioning block is provided with positioning groove, the push rod tail end is provided with the location plush copper, positioning groove and location plush copper coupling, when the location of push rod afterbody plush copper falls into the positioning groove of positioning block, push rod tail end end face also falls within the driver plate groove, and the spool of one-way valve is pushed back by valve spring, closed check valve.
2. little torque ball valve during a kind of novel high-pressure according to claim 1, the valve seat ejecting mechanism comprises the ring-shaped step of being located on the spheroid when it is characterized in that described with no pressure, be located at oblique recess on the ring-shaped step, be located at oblique boss on the valve seat outer shroud end face, be located at the spring between valve seat and the connecting body, be located at the seal ring of valve seat outer shroud, oblique recess and oblique boss coupling; Under the ball valve closed condition, the oblique boss of valve seat outer shroud end face falls in the oblique recess, and valve seat insert and spheroid are fitted, the valve closing sealing; Rotating sphere is opened the valve leaf, and the oblique boss of valve seat leaves the oblique recess of spheroid, and valve seat is backed down, and valve seat insert and spheroid break away from.
3. little torque ball valve during a kind of novel high-pressure according to claim 1, it is characterized in that described driver plate is circular plate, the central authorities of driver plate are square opening, and limit, driver plate outer ring is provided with oblique groove, also are provided with an oblique groove on another symmetrical limit, outer ring.
4. little torque ball valve during a kind of novel high-pressure according to claim 1, it is characterized in that spheroid up and down two ends place in the fixed plate.
5. little torque ball valve during a kind of novel high-pressure according to claim 1 is characterized in that storage presses the cavity pressing plate to be provided with little pressure release through hole, and this little pressure release through hole is communicated with oil storage cavity.
6. little torque ball valve during a kind of novel high-pressure according to claim 1, it is characterized in that storing up press cavity cross-section area greater than the valve seat insert sectional area.
7. little torque ball valve during a kind of novel high-pressure according to claim 1 is characterized in that described valve stem tip is provided with square faucet section, and driver plate central authorities are provided with square jack, the square jack coupling chucking of square faucet section and driver plate.
8. little torque ball valve during a kind of novel high-pressure according to claim 1 is characterized in that described spheroid upper end is provided with square recess, and valve stem tip is provided with square linkage section, and this square linkage section inserts in the square recess on spheroid top; Cut respectively an inclined-plane on four faces of described square linkage section, this inclined-plane is so that after valve stem tip inserts in the square recess on spheroid top, leave certain running clearance between valve rod and the spheroid, this gap has guaranteed that valve rod continues to rotate in (spheroid does not rotate) in several angle, driving driver plate rotates push rod oblique groove from the driver plate is ejected, and then back down one-way valve, make valve seat pushed away from spheroid, after valve seat pushed away from spheroid, the valve rod end has turned to gapless existence between valve rod end and spheroid recess, at this moment be rotated further again valve rod and just can under little torque condition, drive the spheroid rotation, easily open valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320164053 CN203202281U (en) | 2013-04-04 | 2013-04-04 | Novel micro torque ball valve under high pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320164053 CN203202281U (en) | 2013-04-04 | 2013-04-04 | Novel micro torque ball valve under high pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203202281U true CN203202281U (en) | 2013-09-18 |
Family
ID=49146390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320164053 Expired - Fee Related CN203202281U (en) | 2013-04-04 | 2013-04-04 | Novel micro torque ball valve under high pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203202281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234057A (en) * | 2013-04-04 | 2013-08-07 | 邱金全 | Novel high-pressure micro-torque ball valve |
| CN107084259A (en) * | 2017-05-19 | 2017-08-22 | 江苏神通阀门股份有限公司 | A kind of micro- torque ball valve |
-
2013
- 2013-04-04 CN CN 201320164053 patent/CN203202281U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234057A (en) * | 2013-04-04 | 2013-08-07 | 邱金全 | Novel high-pressure micro-torque ball valve |
| WO2014161207A1 (en) * | 2013-04-04 | 2014-10-09 | Qiu Jinquan | New high-pressure micro-torque ball valve |
| CN103234057B (en) * | 2013-04-04 | 2015-09-16 | 邱金全 | A kind of Novel high-pressure micro-torque ball valve |
| CN107084259A (en) * | 2017-05-19 | 2017-08-22 | 江苏神通阀门股份有限公司 | A kind of micro- torque ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20170404 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |