CN2651541Y - Double contact roller guiding rod ball valve - Google Patents
Double contact roller guiding rod ball valve Download PDFInfo
- Publication number
- CN2651541Y CN2651541Y CN 03265457 CN03265457U CN2651541Y CN 2651541 Y CN2651541 Y CN 2651541Y CN 03265457 CN03265457 CN 03265457 CN 03265457 U CN03265457 U CN 03265457U CN 2651541 Y CN2651541 Y CN 2651541Y
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- CN
- China
- Prior art keywords
- guide rod
- valve
- ball valve
- utility
- model
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a double-roller guide rod ball valve; wherein a valve body and a valve cover form a shell of the ball valve, the guide rod passes through a bracket and the valve cover and is inserted into the ball body with a roll pin, the lower end of the guide rod is provided with an inclined plane and its upper end is connected with a drive device, the valve cover is provided with a shaft sleeve, a filling and a filling gland, a gland cover and a limit screw are arranged on the valve body, and an adjusting shim is arranged between the gland cover and the valve body; the utility model is characterized in that the middle of the guide rod is opened with a through hole, a pin shaft passes through the through hole of the guide rod, the stretching position of the two ends of the pin shaft is provided with a roller wheel to form a roller wheel component, the symmetric position of the bracket is opened with two guide grooves, and the roller wheel component is arranged in the guide groove. The utility model reaches the first-grade level prescribed by the ball valve quality grading standard JB/TQ409-85, and thereby comparatively saves the labor when operated. The utility model has the symmetric preparation and the stress point of the symmetric balance. The utility model can be used to disconnect or connect the medium fluid, used to control oil, water, gas and other corrosive mediums, and used to feed powder materials, sizing materials, granules and other solid mediums.
Description
Technical field
The utility model relates to a kind of ball valve, particularly a kind of pair of roller guiding ball valve.
Background technique
Existing rise-fall type ball valve, swing type ball valve, track ball valve, the realization of its working principle all are to realize by offering helical guide groove on the guide rod, the reaction force of guide rod are realized the switch motion of ball valve by guide finger.Because the guide rod diameter of ball valve is less, during ball valve work, guide finger is nearer to the reaction force and the gyration center of guide rod, and the rotary torque of Chan Shenging is also less like this.The switch motion of ball valve needs certain rotary torque, and the reaction force that certainly will will strengthen guide finger is realized the switch motion of ball valve.In actual applications, guide finger is cut off easily and is caused the ball valve can not switch motion, simultaneously, offers guiding groove on the guide rod, all is single guide barrel construction usually, often causes to be subjected to force unbalance.Even on guide rod, adopt symmetric double guide groove structure, because the position of fixed guide pin is relative very accurate on guide groove position and the support, this pair of very difficulty production of guide barrel construction, error is arranged slightly, the actual guide finger that remains monolithic that plays leading role so still can't resolve stressed unbalanced phenomenon.
Summary of the invention
The purpose of this utility model just provides a kind of stress balance, laborsaving, durable two roller guiding ball valve.
The utility model can be realized by following mode: valve body and valve gap are formed the shell of ball valve, guide rod passes support and valve gap, insertion has in the spheroid that rolls pin, lower end of the guide rod has the inclined-plane, the upper end connects with drive unit, axle sleeve is housed in the valve gap, filler and Gland, stuffing box gland and stop screw are installed on the valve body, adjust pad and are installed between stuffing box gland and the valve body, and the guide rod middle part has through hole, bearing pin passes the through hole on the guide rod, stretch out the place at the bearing pin two ends and load onto roller, form roll wheel assembly, on the support symmetrical position, have two guiding grooves, roll wheel assembly is contained in the guiding groove, and guiding groove and roll wheel assembly are formed guiding device.Drive unit is manual actuating device, pneumatic actuating device or electric performance device.
The utility model is through 10,000 load operation, and phenomenon does not appear abrading in sealing surface, reaches the Grade A level of ball valve quality grading standard JB/TQ409-85 regulation.When ball valve was implemented switch motion, two symmetrical guiding grooves produced the reaction force of pair roller assembly on the support, pass torque to guide rod by roll wheel assembly, thereby realized the switch motion of ball valve.Because the reaction force of support pair roller assembly is far away from gyration center, the rotary torque of Chan Shenging is bigger like this, and the required moment of torsion of the switch motion of ball valve is a definite value, and is therefore, more laborsaving during operation.When ball valve was implemented switch motion, roll wheel assembly institute strength was then less, thereby had significantly reduced and roll wheel assembly occurs and cut off and cause the ball valve can not switch motion.This structure is the symmetry preparation, the force bearing point symmetrical balance.The utility model is mainly used in and blocks or connect medium fluid, can be used for controlling Oil, Water, Gas and various Korrosionsmedium, also can be in order to carry solid dielectrics such as powder, slurry, particle.
Description of drawings
Below in conjunction with accompanying drawing, the utility model will be further described.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the stereogram of support.
Fig. 3 is an embodiment of the present utility model.
Fig. 4 is another embodiment of the present utility model.
In the drawings, 1 is valve body, and 2 is spheroid, and 3 for rolling pin, 4 is valve gap, and 5 is filler, and 6 is Gland, 7 is support, and 8 is roll wheel assembly, and 9 is manual actuating device, 10 is guiding groove, and 11 is guide rod, and 12 is axle sleeve, 13 for adjusting pad, and 14 is stuffing box gland, and 15 is stop screw, 16 is pneumatic actuating device, and 17 is piston rod, and 18 is electric performance device.
Please read Fig. 1, valve body 1 and valve gap 4 are formed the shell of ball valves, and guide rod 11 passes support 7 and valve gap 4, inserts to have in the spheroid 2 that rolls pin 3, and guide rod 11 lower ends have double inclined plane, and the middle part has through hole, and the upper end connects with manual actuating device 9.Axle sleeve 12, filler 5 and Gland 6 are housed in the valve gap 4, stuffing box gland 14 and stop screw 15 are installed on the valve body 1, adjusting pad 13 is installed between stuffing box gland 14 and the valve body 1, the installation adjustment of stuffing box gland 14 is finished by increasing and reduce adjustment pad 13, and stop screw 15 is in order to prevent the axial rotation of stuffing box gland 14.Guide rod 11 middle parts have through hole, and bearing pin passes the through hole on the guide rod 11, stretch out the place at the bearing pin two ends and load onto roller, form roll wheel assembly 8, on support 7 symmetrical positions, have two guiding grooves 10, see Fig. 2, roll wheel assembly 8 is contained in the guiding groove 10, and guiding groove 10 is formed guiding device with roll wheel assembly 8.When ball valve was in full-gear, guide rod 11 was in the limes superiors position, and this moment, roll wheel assembly 8 was positioned at the top of the guiding groove 10 on the support 7.Forward to the process of complete shut-down from standard-sized sheet at ball valve, guide rod 11 relies on the active force that transmits from manual actuating device 9, by the comprehensive function of roll wheel assembly 8 with support 7 guiding grooves 10 chute section, power is delivered to spheroid 2, make spheroid 2 realize the motion of half-twist, when roll wheel assembly 8 is gone to guiding groove 10 straightway positions, the double inclined plane of guide rod 11 lower ends is also gone to spheroid and is rolled pin 3 positions at this moment, along with guide rod 11 further moves downward, to stuffing box gland 14 is pushed the sealing surface of spheroid 2 in guide rod 11 inclined-planes, and coincide and to be adjacent to sealing surface on the stuffing box gland 14, constitutes sealing configuration, after sealing was finished, internals were similar to rigid construction.
When the utility model is used as the opening and closing ball valve, if drive by manual actuating device 9, manually on the handwheel plane in the actuating device sense of rotation mark is arranged, handwheel clockwise turns to closes ball valve, and inhour rotates to be opens ball valve.Post switching position indication on the support 7, the position that guiding groove 10 tops are out, the bottom is the ball valve closed position, corresponding with roll wheel assembly 8 at the relative position of guiding groove 10, when roll wheel assembly 8 is in guiding groove 10 tops, the position that this moment, ball valve was in out, when roll wheel assembly 8 was in guiding groove 10 bottoms, this moment, ball valve was in the closed position.
Please read Fig. 3, if drive unit is pneumatic actuating device 16, when piston rod 17 descends, piston rod 17 promotes guide rod 11 and descends, guide rod 11 is subjected to guiding groove 10 and roll wheel assembly 8 Comprehensive Control and rotates, when spheroid 2 went to closed position, piston rod 17 continued down, and promotion inclined-plane, guide rod 11 lower end forces spheroid 2 to be close to realization to stuffing box gland 14 and seals fully.When needs are opened ball valve, piston rod drives guide rod 11 upwards, guide rod 11 upwards slides in guiding groove 10 and roll wheel assembly 8 Comprehensive Control, and guide rod 11 inclined-planes withdraw from spheroid 2, and spheroid 2 is broken away from stuffing box gland 14, through time-delay release stage spheroid 2 and stuffing box gland 14 loose contacts, the pressure reduction at ball valve two ends gradually reduces, and when roll wheel assembly 8 upwards entered the chute section of guiding groove 10, guide rod 11 drove spheroid 2 half-twists, port hole is opened, locked ball valve at last at the all-pass state.The bleed pressure of pneumatic actuating device 16 is by control of solenoid valve near-earth or remote operation, the characteristic that keeps ball valve to open fast or block.
Please read Fig. 4, if drive unit is an electric performance device 18, Fig. 4 adopts swivel nut electric rotary actuating device, and setting height(from bottom) is low, and output torque is big, and opening and closing time is short.The open and close action of ball valve is identical with pneumatic actuating device.
Claims (2)
1, a kind of pair of roller guiding ball valve, valve body (1) and valve gap (4) are formed the shell of ball valve, guide rod (11) passes support (7) and valve gap (4), insertion has in the spheroid (2) that rolls pin (3), there is the inclined-plane guide rod (11) lower end, the upper end connects with drive unit, axle sleeve (12) is housed in the valve gap (4), filler (5) and Gland (6), stuffing box gland (14) and stop screw (15) are installed on the valve body (1), adjusting pad (13) is installed between stuffing box gland (14) and the valve body (1), it is characterized in that guide rod (11) middle part has through hole, bearing pin passes the through hole on the guide rod (11), stretches out the place at the bearing pin two ends and loads onto roller, forms roll wheel assembly (8), have two guiding grooves (10) on support (7) symmetrical position, roll wheel assembly (8) is contained in the guiding groove (10).
2,, it is characterized in that drive unit is manual actuating device (9), pneumatic actuating device (16) or electric performance device (18) according to described pair of roller guiding ball valve of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03265457 CN2651541Y (en) | 2003-06-09 | 2003-06-09 | Double contact roller guiding rod ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03265457 CN2651541Y (en) | 2003-06-09 | 2003-06-09 | Double contact roller guiding rod ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2651541Y true CN2651541Y (en) | 2004-10-27 |
Family
ID=34329724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03265457 Expired - Fee Related CN2651541Y (en) | 2003-06-09 | 2003-06-09 | Double contact roller guiding rod ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2651541Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124190A (en) * | 2021-04-21 | 2021-07-16 | 四川九天真空科技股份有限公司 | Pneumatic rotary ball valve |
| CN114321433A (en) * | 2022-03-17 | 2022-04-12 | 成都成高阀门有限公司 | Large-diameter forced sealing ball valve |
-
2003
- 2003-06-09 CN CN 03265457 patent/CN2651541Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124190A (en) * | 2021-04-21 | 2021-07-16 | 四川九天真空科技股份有限公司 | Pneumatic rotary ball valve |
| CN114321433A (en) * | 2022-03-17 | 2022-04-12 | 成都成高阀门有限公司 | Large-diameter forced sealing ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041027 Termination date: 20100609 |