CN114877100A - Valve for double-sealing petroleum pipeline - Google Patents
Valve for double-sealing petroleum pipeline Download PDFInfo
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- CN114877100A CN114877100A CN202210617102.2A CN202210617102A CN114877100A CN 114877100 A CN114877100 A CN 114877100A CN 202210617102 A CN202210617102 A CN 202210617102A CN 114877100 A CN114877100 A CN 114877100A
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- Prior art keywords
- valve
- lifting screw
- valve body
- wedge
- driving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/048—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with valve seats positioned between movable valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a valve for a double-seal petroleum pipeline, which comprises a valve body and further comprises: a double sealing unit installed in the valve body; and the driving unit is arranged on the valve body, is connected with the double sealing unit and is used for driving the double sealing unit to be synchronously opened and closed. The invention discloses a valve for a double-sealing petroleum pipeline, wherein a driving unit is manually driven to work so as to drive a double-sealing unit in a valve body to work, and the double-sealing unit is synchronously opened so as to open the valve. Compared with the traditional single valve, the valve for the double-sealing petroleum pipeline provided by the invention has the advantage that the double-sealing unit improves the sealing property of the valve.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a valve for a double-seal petroleum pipeline.
Background
Valves are commonly used in various pipes, mainly to shut off or adjust the opening of the pipe. Valves are often needed in the refining and exploitation of petroleum, and because petroleum is flammable substances, the requirements on the valves are higher, and adverse effects can be caused once leakage and other conditions occur or pipelines are not cut off timely. The existing valves only have a single valve plate, and the pipeline cutting effect is poor due to insufficient sealing performance of the valve plate.
Disclosure of Invention
In order to achieve the above purpose, the invention discloses a valve for a double-seal petroleum pipeline, which comprises a valve body and further comprises:
a double sealing unit installed in the valve body;
and the driving unit is arranged on the valve body, is connected with the double sealing unit and is used for driving the double sealing unit to be synchronously opened and closed.
Preferably, the inlet end and the outlet end of the valve body are both provided with mating flanges.
Preferably, the double sealing unit includes:
the left wedge-shaped partition is arranged in the valve body, the left wedge-shaped partition is close to the inlet end of the valve body, and the high-level end of the left wedge-shaped partition is close to the inlet end of the valve body;
the right wedge-shaped partition is arranged in the valve body, the right wedge-shaped partition is close to the outlet end of the valve body, the high-level end of the right wedge-shaped partition is close to the outlet end of the valve body, and the right wedge-shaped partition and the left wedge-shaped partition are symmetrically arranged;
the openings are respectively arranged in the middle sections of the left wedge-shaped partition and the right wedge-shaped partition;
the valve core is blocked on the opening;
the two bottom lifting screw blocks are embedded and arranged at the top end of the valve body;
the bottom lifting screw is rotatably installed on the bottom lifting screw block, the bottom end of the bottom lifting screw extends into the valve body and is connected with the valve core, and the top end of the bottom lifting screw is connected with the driving unit.
Preferably, the driving unit includes:
the opening end of the valve cover is downwards integrally mounted at the top end of the valve body;
the jacking screw lowering block is embedded and arranged at the bottom end of the valve cover;
the top lifting screw is rotatably mounted on the top lifting screw block, the bottom end of the top lifting screw extends into the valve cover, and the top end of the top lifting screw is exposed out of the valve cover;
the mounting frame is positioned in the valve cover, the mounting frame is rotatably mounted at the bottom end of the top lifting screw rod, and the top end of the bottom lifting screw rod is rotatably mounted on the mounting frame;
the spline shaft is positioned in the valve cover and is coaxially arranged at the bottom end of the top lifting screw;
the spline sleeve is positioned in the valve cover and sleeved on the spline shaft, and the bottom end of the spline sleeve is rotatably installed at the top end of the valve body;
the central gear is positioned in the valve cover and is arranged on the spline shaft;
the two planetary gears are symmetrically arranged by taking the central gear as a center, are meshed with the central gear, and are arranged on the bottom lifting screw rod;
the internal transmission gear ring is located in the valve cover, the internal transmission gear ring is installed on the mounting frame, and the internal transmission gear ring is meshed with the planetary gear.
Preferably, the middle section of the left wedge-shaped partition and the middle section of the right wedge-shaped partition are in horizontal transition.
Preferably, the inner wall of the opening is in an inclined closing-up arrangement from top to bottom.
Preferably, the left wedge-shaped partition and the right wedge-shaped partition are integrally arranged with the valve body.
Preferably, the valve cover and the valve body are arranged in an integrated manner.
Preferably, the valve further comprises a leakage preventing unit, the leakage preventing unit is installed in the valve cover, and the leakage preventing unit comprises:
the central fluted disc is arranged on the spline sleeve;
the anti-leakage ring seat is fixedly arranged at the top end of the bottom lifting screw block, and the bottom lifting screw rod penetrates through the anti-leakage ring seat;
the rubber ring installation chamber is circumferentially arranged in the leakage-proof ring seat by taking the bottom lifting screw as a center and is communicated with the bottom end of the leakage-proof ring seat;
the rubber ring is arranged in the rubber ring installation chamber and is sleeved on the bottom lifting screw;
the two power chambers are symmetrically arranged in the leakage-proof ring seat by taking the bottom lifting screw as a center, and are communicated with the top end of the leakage-proof ring seat;
the arc-shaped pressing plate is positioned in the rubber ring installation chamber, the arc-shaped pressing plate is abutted against the rubber ring, and the two arc-shaped pressing plates are spliced into an annular structure;
one end of the lifting rod extends into the power chamber, and the other end of the lifting rod extends into the rubber ring installation chamber and is connected with the arc-shaped pressing plate;
the lifting wedge-shaped block is positioned in the power chamber and is connected with the lifting rod;
the reset spring is positioned in the power chamber, the reset spring is sleeved on the lifting rod, and the reset spring is abutted between the lifting wedge-shaped block and the bottom in the power chamber;
the transverse wedge block is positioned in the power chamber and is matched with the lifting wedge block;
the driving turntable is sleeved on the bottom lifting screw rod and is rotatably mounted at the top end of the leakage-proof ring seat, and the driving turntable is meshed with the central fluted disc through rotating teeth;
the two driving chutes are symmetrically arranged on the driving turntable by taking the bottom lifting screw as a center, and the bottom ends of the driving chutes penetrate through the bottom end of the driving turntable;
the driving sliding rod is connected in the driving chute in a sliding mode and connected with the transverse moving wedge block.
Preferably, a rotating handle is installed at the top end of the jacking descending screw rod.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a double sealing unit and a driving unit according to the present invention;
FIG. 3 is an enlarged view of reference character A in FIG. 2;
FIG. 4 is a view of the driving turntable of the present invention;
fig. 5 is a schematic view of the valve opening of the present invention.
In the figure: 1. a valve body; 2. a double sealing unit; 3. a drive unit; 4. a leakage prevention unit; 21. a left wedge-shaped partition; 22. a right wedge-shaped partition; 23. an opening; 24. a valve core; 25. a bottom lifting screw block; 26. a bottom lifting screw; 31. a valve cover; 32. jacking the screw lowering block; 33. lifting and lowering the screw rod; 34. a mounting frame; 35. a spline shaft; 36. a spline housing; 37. a sun gear; 38. a planetary gear; 39. an internal transmission gear ring; 41. a central fluted disc; 42. a leak-proof ring seat; 43. a rubber ring installation chamber; 44. a rubber ring; 45. a power chamber; 46. an arc-shaped pressing plate; 47. lifting wedge blocks; 48. a return spring; traversing the wedge block; 40. driving the turntable; 51. driving the chute; 52. driving the slide bar; 53. the handle is rotated.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the valve for a dual-seal petroleum pipeline provided by this embodiment includes a valve body 1, and further includes:
a double sealing unit 2, the double sealing unit 2 being installed in the valve body 1;
and the driving unit 3 is installed on the valve body 1, and the driving unit 3 is connected with the double sealing unit 2 and used for driving the double sealing unit 2 to be synchronously opened and closed.
The working principle and the beneficial effects of the technical scheme are as follows:
the invention discloses a valve for a double-sealing petroleum pipeline, wherein a driving unit 3 is manually driven to work so as to drive a double-sealing unit 2 positioned in a valve body 1 to work, and the double-sealing unit 2 is synchronously opened so as to open the valve. Compared with the traditional single valve, the double-sealing unit 2 of the valve for the petroleum pipeline provided by the invention has the advantage that the sealing performance of the valve is improved.
In one embodiment, mating flanges are mounted to both the inlet and outlet ends of the valve body 1.
The beneficial effects of the above technical scheme are:
the arrangement of the mating flange is convenient for the connection of the valve and the petroleum pipeline.
As shown in fig. 2, in one embodiment, the double sealing unit 2 includes:
the left wedge-shaped partition 21 is installed in the valve body 1, the left wedge-shaped partition 21 is close to the inlet end of the valve body 1, and the high-level end of the left wedge-shaped partition 21 is close to the inlet end of the valve body 1;
the right wedge-shaped partition 22 is installed in the valve body 1, the right wedge-shaped partition 22 is close to the outlet end of the valve body 1, the high-position end of the right wedge-shaped partition 22 is close to the outlet end of the valve body 1, and the right wedge-shaped partition 22 and the left wedge-shaped partition 21 are symmetrically arranged;
the opening 23 is respectively arranged at the middle sections of the left wedge-shaped partition 21 and the right wedge-shaped partition 22;
the valve core 24 is arranged on the opening 23 in a blocking way;
the two bottom lifting screw blocks 25 are embedded and arranged at the top end of the valve body 1;
the bottom lifting screw 26 is rotatably installed on the bottom lifting screw block 25, the bottom end of the bottom lifting screw 26 extends into the valve body 1 and is connected with the valve core 25, and the top end of the bottom lifting screw 26 is connected with the driving unit 3.
The working principle and the beneficial effects of the technical scheme are as follows:
setting of left side wedge wall 21 and right wedge wall 22, carry out double wall in valve body 1, left side wedge wall 21 and right wedge wall 22 are last all seted up opening 23, the manual drive unit 3 work of ordering about, thereby it rotates to drive two end lifting screw 26 synchronization, end lifting screw 26 is at end lifting screw 25 internal rotations, thereby it promotes to drive the case 24 of installing on end lifting screw 26, opening 23 on left side wedge wall 21 and the opening 23 on the right wedge wall 22 link up, the valve is opened, compare in traditional single valve like this, opening 23 on left side wedge wall 21 and the right wedge wall 22, and the setting of two case 24, the leakproofness of valve has been improved.
As shown in fig. 2, in one embodiment, the driving unit 3 includes:
the valve cover 31, the opening end of the valve cover 31 is installed on the top end of the valve body 1 in a downward integrated mode;
the top lifting screw block 32 is embedded and installed at the bottom end of the valve cover 31;
the jacking and descending screw rod 33 is rotatably arranged on the top lifting screw block 32, the bottom end of the top lifting screw rod 33 extends into the valve cover 31, and the top end of the top lifting screw rod 33 is exposed out of the valve cover 31;
the mounting frame 34 is positioned in the valve cover 31, the mounting frame 34 is rotatably mounted at the bottom end of the jacking screw rod 33, and the top end of the bottom lifting screw rod 26 is rotatably mounted on the mounting frame 34;
the spline shaft 35 is positioned in the valve cover 31, and the spline shaft 35 is coaxially installed at the bottom end of the lifting screw 33;
the spline sleeve 36 is positioned in the valve cover 31, the spline sleeve 36 is sleeved on the spline shaft 35, and the bottom end of the spline sleeve 36 is rotatably mounted at the top end of the valve body 1;
a sun gear 37, the sun gear 37 being located inside the bonnet 31, the sun gear 37 being mounted on the spline shaft 35;
two planetary gears 38, which are symmetrically arranged around the central gear 37, wherein the planetary gears 38 are engaged with the central gear 37, and the planetary gears 38 are mounted on the bottom lifting screw 26;
and the internal transmission gear ring 39 is positioned in the valve cover 31, the internal transmission gear ring 39 is installed on the mounting frame 34, and the internal transmission gear ring 39 is meshed with the planetary gear 38.
The working principle and the beneficial effects of the technical scheme are as follows:
the jacking falling screw 33 is manually driven to rotate in the jacking falling screw block 32, under the matching of the lifting screw 33 and the jacking falling screw block 32, the jacking falling screw 33 drives the mounting frame 34 to lift in the valve cover 31, meanwhile, the jacking falling screw 33 rotates, so as to drive a spline shaft 35 connected with the jacking falling screw 33, a central gear 37 arranged on the spline shaft 35 and a spline sleeve 36 connected with the spline shaft 35 to synchronously rotate, the central gear 37 drives a planetary gear 38 arranged on the mounting frame 34 to rotate, so as to drive a bottom lifting screw 26 connected with the planetary gear 38 to rotate in the bottom lifting screw block 25, so as to drive a valve core 24 arranged on the bottom lifting screw 26 to lift, an opening 23 of the left wedge-shaped partition 21 is communicated with an opening 23 on the right wedge-shaped partition 22, the valve is opened, and conversely, the jacking falling screw 33 is reversely manually driven to rotate in the jacking falling screw block 32, therefore, under the matching of the lifting screw 33 and the lifting screw-lowering block 32, the lifting screw 33 drives the mounting rack 34 to descend in the valve cover 31, the valve core 24 on the bottom lifting screw 26 descends while the mounting rack 34 descends in the valve cover 31, the opening 23 on the left wedge-shaped partition 21 and the opening 23 on the right wedge-shaped partition 22 are blocked, and the valve is closed.
In one embodiment, the middle section of the left wedge-shaped partition 21 and the middle section of the right wedge-shaped partition 22 are in horizontal transition.
The beneficial effects of the above technical scheme are:
the middle section of the left wedge-shaped partition 21 and the middle section of the right wedge-shaped partition 22 are in horizontal transition, so that the valve core 24 which moves vertically conveniently completes the plugging of the opening 23.
In one embodiment, the inner wall of the opening 23 is inclined from top to bottom.
The beneficial effects of the above technical scheme are:
the inner wall of the opening 23 is in an inclined closing-up arrangement from top to bottom, so that the tightness of the valve core 24 and the opening 23 is improved.
In one embodiment, the left wedge shaped partition 21 and the right wedge shaped partition 22 are integrally provided with the valve body 1.
In one embodiment, the valve cover 31 is integrally provided with the valve body 1.
As shown in fig. 3 and 4, in one embodiment, the valve further includes a leakage preventing unit 4, the leakage preventing unit 4 is installed in the valve cover 31, and the leakage preventing unit 4 includes:
a central toothed disc 41, the central toothed disc 41 being mounted on the spline housing 36;
the anti-leakage ring seat 42 is fixedly arranged at the top end of the bottom lifting screw block 25, and the bottom lifting screw 26 penetrates through the anti-leakage ring seat 42;
a rubber ring installation chamber 43, wherein the rubber ring installation chamber 43 is circumferentially arranged in the leakage-proof ring seat 42 by taking the bottom lifting screw 26 as a center, and the rubber ring installation chamber 43 is communicated with the bottom end of the leakage-proof ring seat 42;
the rubber ring 44 is arranged in the rubber ring installation chamber 43, and the rubber ring 44 is sleeved on the bottom lifting screw 26;
the two power chambers 45 are symmetrically arranged in the leakage-proof ring seat 42 by taking the bottom lifting screw 26 as a center, and the power chambers 45 are communicated with the top end of the leakage-proof ring seat 42;
the arc-shaped pressing plate 46 is positioned in the rubber ring installation chamber 43, the arc-shaped pressing plate 46 abuts against the rubber ring 44, and the two arc-shaped pressing plates 46 are spliced into an annular structure;
one end of the lifting rod extends into the power chamber 45, and the other end of the lifting rod extends into the rubber ring mounting chamber 43 and is connected with the arc-shaped pressing plate 46;
the lifting wedge block 47 is positioned in the power chamber 45, and the lifting wedge block 47 is connected with the lifting rod;
the return spring 48 is positioned in the power chamber 45, the return spring 48 is sleeved on the lifting rod, and the return spring 48 is abutted between the lifting wedge-shaped block 47 and the bottom in the power chamber 45;
the transverse wedge block 49 is positioned in the power chamber 45, and the transverse wedge block 49 is matched with the lifting wedge block 47;
the driving turntable 40 is sleeved on the bottom lifting screw 26, the driving turntable 40 is rotatably mounted at the top end of the leakage-proof ring seat 42, and the driving turntable 40 is meshed with the central fluted disc 41 through rotating teeth;
the two driving chutes 51 are symmetrically arranged on the driving turntable 40 by taking the bottom lifting screw 26 as a center, and the bottom ends of the driving chutes 51 penetrate through the bottom end of the driving turntable 40;
a driving slide rod 52, wherein the driving slide rod 52 is slidably connected in the driving chute 51, and the driving slide rod 52 is connected with the transverse wedge block 49.
The working principle and the beneficial effects of the technical scheme are as follows:
as shown in fig. 5, the lifting screw 33 is manually driven to rotate in the lifting screw 32, the lifting screw 33 drives the mounting bracket 34 to lift up in the bonnet 31 under the cooperation of the lifting screw 33 and the lifting screw 32, the lifting screw 33 rotates to drive the spline shaft 35 connected with the lifting screw 33, the central gear 37 mounted on the spline shaft 35, and the spline housing 36 connected with the spline shaft 35 to synchronously rotate, the central toothed disc 41 mounted on the spline housing 36 rotates to drive the two driving turntables 40 engaged with the central toothed disc 41 to rotate in the same direction, the driving slide rod 52 drives the transverse wedge block 49 connected with the driving slide rod to move in the direction close to the lifting wedge block 47 in the power chamber 45 under the cooperation of the driving inclined groove 51 on the driving turntable 40 and the driving slide rod 52, the lifting wedge block 47 drives the lifting rod and the arc-shaped pressing plate 46 connected with the lifting rod to move in the direction of the return spring 48, the arc-shaped pressing plate 46 presses the rubber ring 44 in the rubber ring installation chamber 43, so that the inner ring of the rubber ring 44 is attached to the surface of the bottom lifting screw 26, further preventing the leakage of natural gas contained in the valve body 1, and the number of turns of the top lifting screw 33 rotating in the top lifting screw block 32 is increased along with manual driving, the opening degree of the valve core 24 and the opening 23 is increased, the flow rate in the valve body 1 is increased, the force of the arc-shaped pressing plate 46 pressing the rubber ring 44 in the rubber ring installation chamber 43 is increased, so that the deformation amount of the rubber ring 44 is increased, the inner ring of the rubber ring 44 is attached to the surface of the bottom lifting screw 26 more, and therefore when the flow rate in the valve body 1 is increased, the leakage prevention effect of the rubber ring 44 on the bottom lifting screw 26 is further increased.
In one embodiment, the top end of the lifting screw 33 is provided with a rotating handle 53.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The utility model provides a double seal valve for petroleum pipeline, includes valve body (1), its characterized in that still includes:
a double sealing unit (2), the double sealing unit (2) being mounted within the valve body (1);
the valve body (1) is provided with a double sealing unit (2), the driving unit (3) is installed on the valve body (1), and the driving unit (3) is connected with the double sealing unit (2) and used for driving the double sealing unit (2) to be synchronously opened and closed.
2. A double seal petroleum pipeline valve as defined in claim 1 wherein mating flanges are mounted to both the inlet and outlet ends of the valve body (1).
3. A valve for double sealing a petroleum pipeline as claimed in claim 1, wherein the double sealing unit (2) comprises:
the left wedge-shaped partition (21) is installed in the valve body (1), the left wedge-shaped partition (21) is close to the inlet end of the valve body (1), and the high-level end of the left wedge-shaped partition (21) is close to the inlet end of the valve body (1);
the right wedge-shaped partition (22) is installed in the valve body (1), the right wedge-shaped partition (22) is close to the outlet end of the valve body (1), the high-position end of the right wedge-shaped partition (22) is close to the outlet end of the valve body (1), and the right wedge-shaped partition (22) and the left wedge-shaped partition (21) are symmetrically arranged;
the openings (23) are respectively arranged in the middle sections of the left wedge-shaped partition (21) and the right wedge-shaped partition (22);
the valve core (24), the said valve core (24) is blocked and located on the said opening (23);
the two bottom lifting screw blocks (25) are embedded and installed at the top end of the valve body (1);
the bottom lifting screw (26) is rotatably installed on the bottom lifting screw block (25), the bottom end of the bottom lifting screw (26) extends into the valve body (1) and is connected with the valve core (25), and the top end of the bottom lifting screw (26) is connected with the driving unit (3).
4. A valve for a double-sealing petroleum pipeline according to claim 3, wherein the driving unit (3) comprises:
the valve cover (31), the opening end of the valve cover (31) is downward and integrally mounted at the top end of the valve body (1);
the jacking and descending screw block (32), the jacking and descending screw block (32) is embedded and installed at the bottom end of the valve cover (31);
the top lifting screw (33) is rotatably mounted on the top lifting screw block (32), the bottom end of the top lifting screw (33) extends into the valve cover (31), and the top end of the top lifting screw (33) is exposed out of the valve cover (31);
the mounting frame (34), the mounting frame (34) is positioned in the valve cover (31), the mounting frame (34) is rotatably installed at the bottom end of the jacking screw rod (33), and the top end of the bottom lifting screw rod (26) is rotatably installed on the mounting frame (34);
the spline shaft (35) is positioned in the valve cover (31), and the spline shaft (35) is coaxially mounted at the bottom end of the top lifting screw (33);
the spline sleeve (36) is positioned in the valve cover (31), the spline sleeve (36) is sleeved on the spline shaft (35), and the bottom end of the spline sleeve (36) is rotatably mounted at the top end of the valve body (1);
a sun gear (37), said sun gear (37) being located within said valve cap (31), said sun gear (37) being mounted on said spline shaft (35);
the two planetary gears (38) are arranged in a central symmetry mode by taking the central gear (37) as a center, the planetary gears (38) are meshed with the central gear (37), and the planetary gears (38) are installed on the bottom lifting screw (26);
internal transmission ring gear (39), internal transmission ring gear (39) are located in valve gap (31), internal transmission ring gear (39) install in on mounting bracket (34), internal transmission ring gear (39) with planetary gear (38) meshing.
5. A double seal petroleum pipeline valve as defined in claim 3 wherein the middle section of the left wedge-shaped partition (21) and the middle section of the right wedge-shaped partition (22) are horizontally transitional.
6. A valve for a double seal petroleum pipeline as defined in claim 3, wherein the inner wall of the opening (23) is inclined from top to bottom.
7. A double seal petroleum pipeline valve as claimed in claim 3, wherein the left wedge shaped partition (21) and the right wedge shaped partition (22) are integrally formed with the valve body (1).
8. A valve for a double seal petroleum pipeline as claimed in claim 4, wherein the valve cover (31) is integrally formed with the valve body (1).
9. A valve for a double-seal petroleum pipeline as defined in claim 4, further comprising a leak-proof unit (4), said leak-proof unit (4) being mounted within said valve cover (31), said leak-proof unit (4) comprising:
a central toothed disc (41), the central toothed disc (41) being mounted on the spline housing (36);
the anti-leakage ring seat (42), the anti-leakage ring seat (42) is fixedly arranged at the top end of the bottom lifting screw block (25), and the bottom lifting screw rod (26) is arranged through the anti-leakage ring seat (42);
the rubber ring mounting chamber (43) is circumferentially arranged in the leakage-proof ring seat (42) by taking the bottom lifting screw (26) as a center, and the rubber ring mounting chamber (43) is communicated with the bottom end of the leakage-proof ring seat (42);
the rubber ring (44) is arranged in the rubber ring installation chamber (43), and the rubber ring (44) is sleeved on the bottom lifting screw rod (26);
the two power chambers (45) are symmetrically arranged in the anti-leakage ring seat (42) by taking the bottom lifting screw (26) as a center, and the power chambers (45) are communicated with the top end of the anti-leakage ring seat (42);
the arc-shaped pressing plate (46) is positioned in the rubber ring mounting chamber (43), the arc-shaped pressing plate (46) abuts against the rubber ring (44), and the two arc-shaped pressing plates (46) are spliced into an annular structure;
one end of the lifting rod extends into the power chamber (45), and the other end of the lifting rod extends into the rubber ring mounting chamber (43) and is connected with the arc-shaped pressing plate (46);
the lifting wedge block (47), the lifting wedge block (47) is positioned in the power chamber (45), and the lifting wedge block (47) is connected with the lifting rod;
the return spring (48) is positioned in the power chamber (45), the return spring (48) is sleeved on the lifting rod, and the return spring (48) is abutted between the lifting wedge-shaped block (47) and the inner bottom of the power chamber (45);
the transverse wedge block (49), the transverse wedge block (49) is positioned in the power chamber (45), and the transverse wedge block (49) is matched with the lifting wedge block (47);
the driving turntable (40) is sleeved on the bottom lifting screw (26), the driving turntable (40) is rotatably installed at the top end of the leakage-proof ring seat (42), and the driving turntable (40) is meshed with the central fluted disc (41) through rotating teeth;
the two driving chutes (51) are symmetrically arranged on the driving turntable (40) by taking the bottom lifting screw (26) as a center, and the bottom ends of the driving chutes (51) penetrate through the bottom end of the driving turntable (40);
the driving slide rod (52), the driving slide rod (52) is connected in the driving inclined groove (51) in a sliding mode, and the driving slide rod (52) is connected with the transverse wedge block (49).
10. A valve for a double seal petroleum pipeline as defined in claim 4, wherein the top of the top lifting screw (33) is provided with a turning handle (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210617102.2A CN114877100A (en) | 2022-06-01 | 2022-06-01 | Valve for double-sealing petroleum pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210617102.2A CN114877100A (en) | 2022-06-01 | 2022-06-01 | Valve for double-sealing petroleum pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN114877100A true CN114877100A (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210617102.2A Pending CN114877100A (en) | 2022-06-01 | 2022-06-01 | Valve for double-sealing petroleum pipeline |
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| Country | Link |
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| CN (1) | CN114877100A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807855A (en) * | 2022-12-03 | 2023-03-17 | 开平市深林雨卫浴有限公司 | Anti-drip tap |
-
2022
- 2022-06-01 CN CN202210617102.2A patent/CN114877100A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807855A (en) * | 2022-12-03 | 2023-03-17 | 开平市深林雨卫浴有限公司 | Anti-drip tap |
| CN115807855B (en) * | 2022-12-03 | 2023-08-18 | 开平市深林雨卫浴有限公司 | Drip-proof tap |
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