CN112856003A - Balance valve capable of reducing Gray circle friction force - Google Patents
Balance valve capable of reducing Gray circle friction force Download PDFInfo
- Publication number
- CN112856003A CN112856003A CN202011585448.6A CN202011585448A CN112856003A CN 112856003 A CN112856003 A CN 112856003A CN 202011585448 A CN202011585448 A CN 202011585448A CN 112856003 A CN112856003 A CN 112856003A
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- China
- Prior art keywords
- valve body
- compression spring
- valve
- pressure relief
- ring
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Classifications
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/048—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded combined with other safety valves, or with pressure control devices
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a balance valve capable of reducing the friction force of a Glassy ring, which comprises a valve body, wherein an inner bushing is fixedly connected inside the valve body, a balance valve core is movably sleeved inside the inner bushing, the bottom end of the balance valve core is fixedly connected with a Glassy ring body, through holes are formed in one side of the valve body at equal intervals, a pressure relief mechanism is installed at the top end of the valve body, and a guide pipe connected with the top end of the valve body in an embedded mode is arranged inside the pressure relief mechanism. According to the invention, under the action of the pressure relief mechanism, the T-shaped rod is rotated to drive the connecting plate to rotate in the guide pipe to move up and down, so that the extrusion tension of the first compression spring on the balance valve core is adjusted, the elastic tension of the first compression spring is flexibly adjusted, the extrusion force of the balance valve core on the GRELL ring body is adjusted, the friction force of the GRELL ring body is effectively reduced, the damage caused by excessive friction force of the GRELL ring body is prevented, and the service life of the GRELL ring body is prolonged.
Description
Technical Field
The invention relates to the technical field of balance valve equipment, in particular to a balance valve capable of reducing the GREEN friction force.
Background
The balance valve is a valve with special function, and has no special part, and only has different use functions and places, in some industries, because the medium has larger pressure difference or flow difference in each part of the pipeline or container, in order to reduce or balance the difference value, a valve is arranged between the corresponding pipelines or containers for adjusting the relative balance of the pressures at two sides, or the flow balance is achieved by a shunting method, the valve is called the balance valve, the Gla ring is formed by combining a rubber O-shaped ring and a polytetrafluoroethylene ring, the O-shaped ring applies force, the Gla ring is a double-acting piston seal, the friction force is low, the creeping is avoided, the starting force is small, the high pressure is resisted, and the valve can be divided into a pore Gla ring and a shaft Gla ring.
In the use process of the existing balance valve with the GREEN, the tension force cannot be adjusted by the balance valve core inside the balance valve, so that the balance valve is easy to extrude the GREEN too much, the GREEN is worn by the excessive force, the service life is shortened, the device does not have the function of pressure relief, and the GREEN can be extruded by the excessive pressure inside the balance valve.
Disclosure of Invention
The invention aims to solve the defects that the conventional balance valve with the Gray ring has the defects that the balance valve core in the balance valve cannot adjust the tensioning force, the Gray ring is easily extruded by excessive force, the Gray ring is worn by excessive force, the service life is shortened, the device does not have the pressure relief function, and the Gray ring is extruded by excessive pressure in the balance valve, so that the Gray ring friction force can be reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a balance valve capable of reducing the friction force of a Glassy ring comprises a valve body, wherein an inner bushing is fixedly connected inside the valve body, a balance valve core is movably sleeved inside the inner bushing, the bottom end of the balance valve core is fixedly connected with a Glassy ring body, through holes are formed in one side of the valve body at equal intervals, a pressure relief mechanism is installed at the top end of the valve body, a guide pipe connected with the top end of the valve body in an embedded mode is arranged inside the pressure relief mechanism, a connecting plate is connected with the inner threads of the guide pipe, a T-shaped rod is fixedly connected to the top end of the connecting plate, a first compression spring is fixedly connected to the bottom end of the connecting plate, a spring seat is connected to the bottom end of the first compression spring in a sleeved mode, the spring seat is fixedly connected with the top end of the balance valve core, a first sealing rubber ring is movably connected to the top, and the bottom end of the second compression spring is connected with a second sealing rubber ring in a melting mode, the top end of the valve body is provided with a clamping mechanism, and one side of the valve body is provided with a pressure relief mechanism.
As a further description of the above technical solution:
the T-shaped rod is movably sleeved with the top end of the guide pipe, and the first sealing rubber ring is movably connected with the surface of the T-shaped rod.
As a further description of the above technical solution:
the second sealing rubber ring is movably connected with the top end of the first sealing rubber ring, and the first sealing rubber ring and the T-shaped rod form an elastic telescopic structure through a second compression spring.
As a further description of the above technical solution:
the first compression spring is movably connected with the inside of the valve body, and the spring seat forms an elastic telescopic structure with the connecting plate through the first compression spring.
As a further description of the above technical solution:
the inside bearing with valve body top fixed connection that includes of clamping mechanism, and the top of bearing rotates and is connected with the L template, the inside fixedly connected with third compression spring of L template, and the other end fixedly connected with clamp plate of third compression spring, the inside threaded connection of L template has the hand to twist the bolt, and the hand is twisted and is swing joint between the surface of bolt and clamp plate.
As a further description of the above technical solution:
the pressing plate is movably connected with the surface of the first sealing rubber ring, and the pressing plate is symmetrical about the central axis of the first sealing rubber ring.
As a further description of the above technical solution:
the pressing plate is screwed by hands to form a telescopic structure with the L-shaped plate, and the L-shaped plate is connected with the valve body through a bearing to form a rotating structure.
As a further description of the above technical solution:
the pressure relief mechanism is internally provided with a pressure relief valve connected with the valve body in an embedded mode, the internal thread of the pressure relief valve is connected with a sleeve, a plurality of pressure relief holes are formed in the surface of the sleeve at equal intervals, a rubber plate is connected to one side of the sleeve in a melting mode, and a cover plate is connected to the surface of the rubber plate in a melting mode.
As a further description of the above technical solution:
the cover plate is of a telescopic structure through the sleeve and the pressure release valve, and the size of the cover plate is larger than that of the pressure release valve.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, under the action of the pressure relief mechanism, the T-shaped rod is rotated to drive the connecting plate to rotate in the guide pipe to move up and down, so that the extrusion tension of the first compression spring on the balance valve core is adjusted, the elastic tension of the first compression spring is flexibly adjusted, the extrusion force of the balance valve core on the GRELL ring body is adjusted, the friction force of the GRELL ring body is effectively reduced, the damage caused by excessive friction force of the GRELL ring body is prevented, and the service life of the GRELL ring body is prolonged.
2. According to the invention, the connecting gap between the sealing guide pipe and the T-shaped rod can be blocked through the first sealing rubber ring at the top end of the guide pipe, so that hydraulic oil in the valve body is prevented from overflowing, and meanwhile, through the second compression spring at the bottom end of the T-shaped rod, the second sealing rubber ring is extruded by the elastic characteristic of the second compression spring and is attached to the surface of the first sealing rubber ring, so that the sealing performance of the device is improved, and the oil overflow of the device is effectively prevented.
3. According to the invention, under the action of the clamping mechanism, the bolt is screwed through rotating the hand, the pressing plate can be driven to stretch and move, the surface of the first sealing rubber ring can be extruded through the pressing plate, and the first sealing rubber ring can be tightly attached to a connecting gap between the guide pipe and the T-shaped rod, so that the first sealing rubber ring is prevented from loosening, and the hydraulic oil of the assembly is prevented from overflowing.
4. According to the invention, under the action of the pressure relief mechanism, the sleeve can be rotated to stretch and move in the pressure relief valve, so that different numbers of pressure relief holes are exposed, and the pressure relief can be carried out in the cavity for mounting the Glabra body through the pressure relief holes, so that the phenomenon that the static pressure friction force of the Glabra body is too large due to the too large pressure in the cavity for mounting the Glabra body is prevented, and the abrasion of the Glabra body is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inner planer structure of the present invention;
FIG. 3 is a schematic structural view of a pressure relief mechanism according to the present invention;
FIG. 4 is a schematic view of the clamping mechanism of the present invention;
fig. 5 is a schematic structural view of the pressure relief mechanism according to the present invention.
Illustration of the drawings:
1. a valve body; 2. an inner liner; 3. a balanced valve core; 4. a GREEN body; 5. a through hole; 6. a pressure relief mechanism; 601. a conduit; 602. a connecting plate; 603. a T-shaped rod; 604. a first compression spring; 605. a spring seat; 606. a first sealing rubber ring; 607. a second compression spring; 608. a second sealing rubber ring; 7. a clamping mechanism; 701. a bearing; 702. an L-shaped plate; 703. a third compression spring; 704. pressing a plate; 705. screwing the bolt by hand; 8. a pressure relief mechanism; 801. a pressure relief valve; 802. a sleeve; 803. a pressure relief vent; 804. a rubber plate; 805. and (7) a cover plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-5, a balance valve capable of reducing the friction force of the greige ring comprises a valve body 1, an inner bushing 2 is fixedly connected to the inside of the valve body 1, a balance valve core 3 is movably sleeved on the inside of the inner bushing 2, a greige ring body 4 is fixedly connected to the bottom end of the balance valve core 3, through holes 5 are equidistantly formed in one side of the valve body 1, a pressure relief mechanism 6 is installed at the top end of the valve body 1, a guide pipe 601 embedded and connected with the top end of the valve body 1 is arranged inside the pressure relief mechanism 6, a connecting plate 602 is connected to the inner thread of the guide pipe 601, a T-shaped rod 603 is fixedly connected to the top end of the connecting plate 602, a first compression spring 604 is fixedly connected to the bottom end of the connecting plate 602, a spring seat 605 is connected to the bottom end of the first compression spring 604 in a sleeved manner, the spring seat 605 is fixedly connected to the top end, the top end of the T-shaped rod 603 is fixedly connected with a second compression spring 607, the bottom end of the second compression spring 607 is connected with a second sealing rubber ring 608 in a melting mode, the top end of the valve body 1 is provided with a clamping mechanism 7, one side of the valve body 1 is provided with a pressure relief mechanism 8, the T-shaped rod 603 can drive the connecting plate 602 to rotate in the guide pipe 601 to move up and down by rotating the T-shaped rod 603, and therefore the distance between the connecting plate 602 and the balance valve core 3 is adjusted, and the tensioning force of the first compression spring 604 is flexibly adjusted.
Referring to fig. 3, the T-shaped rod 603 is movably sleeved with the top end of the guide tube 601, the first sealing rubber ring 606 is movably connected with the surface of the T-shaped rod 603, and the pressing force of the balance valve element 3 on the glyme body 4 can be adjusted by adjusting the tensioning force of the first compression spring 604.
Referring to fig. 3, the second sealing rubber ring 608 is movably connected to the top end of the first sealing rubber ring 606, the first sealing rubber ring 606 and the T-shaped rod 603 form an elastic telescopic structure through the second compression spring 607, and the second compression spring 607 can press the second sealing rubber ring 608 to move downward through the elastic characteristic of the second compression spring 607 at the bottom end of the T-shaped rod 603.
Referring to fig. 3, the first compression spring 604 is movably connected with the inside of the valve body 1, the spring seat 605 forms an elastic telescopic structure through the first compression spring 604 and the connecting plate 602, and the second sealing rubber ring 608 can be attached to the surface of the first sealing rubber ring 606, so that the sealing effect of the device can be improved.
Referring to fig. 4, a bearing 701 fixedly connected with the top end of the valve body 1 is arranged inside the clamping mechanism 7, the top end of the bearing 701 is rotatably connected with an L-shaped plate 702, a third compression spring 703 is fixedly connected inside the L-shaped plate 702, a pressing plate 704 is fixedly connected with the other end of the third compression spring 703, a hand-screwed bolt 705 is connected to the internal thread of the L-shaped plate 702, the hand-screwed bolt 705 is movably connected with the surface of the pressing plate 704, the L-shaped plate 702 is rotated, and the L-shaped plate 702 can rotate through the bearing 701, so that the pressing plate 704 in the L-shaped plate 702 can move transversely.
Referring to fig. 4, the pressing plate 704 is movably connected to the surface of the first rubber sealing ring 606, and the pressing plate 704 is symmetrical with respect to the central axis of the first rubber sealing ring 606, so that the pressing plate 704 can move to the surface of the first rubber sealing ring 606.
Referring to fig. 4, a telescopic structure is formed between the pressing plate 704 and the L-shaped plate 702 through the hand-screwed bolt 705, a rotating structure is formed between the L-shaped plate 702 and the valve body 1 through the bearing 701, and the hand-screwed bolt 705 is rotated to drive the pressing plate 704 to move telescopically so as to extrude the pressing plate on the surface of the first sealing rubber ring 606.
Referring to fig. 5, the inside of the pressure relief mechanism 8 includes a pressure relief valve 801 embedded and connected with one side of the valve body 1, a sleeve 802 is connected to the inside of the pressure relief valve 801 through a thread, a plurality of pressure relief holes 803 are equidistantly formed in the surface of the sleeve 802, a rubber plate 804 is connected to one side of the sleeve 802 in a melting manner, a cover plate 805 is connected to the surface of the rubber plate 804 in a melting manner, and the sleeve 802 can be driven by rotating the cover plate 805, so that the sleeve 802 can move in the pressure relief valve 801 in an extending manner.
Referring to fig. 5, the cover plate 805 forms a telescopic structure with the pressure release valve 801 through the sleeve 802, and the cover plate 805 is larger than the pressure release valve 801 in size, so that different numbers of pressure release holes 803 are exposed, and pressure release can be performed in the cavity in which the greige ring body 4 is installed.
The working principle is as follows: when the sealing device is used, firstly, the T-shaped rod 603 is manually rotated, the T-shaped rod 603 drives the connecting plate 602 to rotate and move up and down in the guide pipe 601, when the guide pipe 601 moves, the extrusion force of the first compression spring 604 on the balance valve core 3 is adjusted, so that the extrusion force of the balance valve core 3 on the Glare ring body 4 is adjusted, the friction force of the Glare ring body 4 is reduced, the first sealing rubber ring 606 is manually attached to a connecting gap between the guide pipe 601 and the T-shaped rod 603, then the L-shaped plate 702 is manually rotated, the L-shaped plate 702 rotates through the bearing 701, the pressing plate 704 in the L-shaped plate 702 transversely moves to the surface of the first sealing rubber ring 606, then the hand-screwed bolt 705 is manually rotated, the hand-screwed bolt 705 rotates and extends in the L-shaped plate 702, the hand-screwed bolt 705 drives the pressing plate 704 to extend and retract, the pressing plate 704 presses the surface of the first sealing rubber ring 606, the first sealing rubber ring 606 tightly attaches the connecting gap between the guide pipe 601, through the elastic characteristic of the second compression spring 607 at the bottom end of the T-shaped rod 603, the second compression spring 607 extrudes the second sealing rubber ring 608 to move downwards, the second sealing rubber ring 608 is attached to the surface of the first sealing rubber ring 606, the sealing effect of the device is improved, the cover plate 805 is manually rotated, the cover plate 805 drives the sleeve 802, the sleeve 802 extends and moves in the pressure release valve 801, so that different numbers of pressure release holes 803 are exposed, and the cavity for mounting the Glare ring body 4 is decompressed through the pressure release holes 803, so that the working principle of the invention is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a can reduce balancing valve of glaring frictional force, includes valve body (1), its characterized in that: the inner part of the valve body (1) is fixedly connected with an inner bushing (2), the inner part of the inner bushing (2) is movably sleeved with a balance valve core (3), the bottom end of the balance valve core (3) is fixedly connected with a GRILL ring body (4), one side of the valve body (1) is equidistantly provided with through holes (5), the top end of the valve body (1) is provided with a pressure relief mechanism (6), the pressure relief mechanism (6) internally comprises a conduit (601) which is embedded and connected with the top end of the valve body (1), the inner thread of the conduit (601) is connected with a connecting plate (602), the top end of the connecting plate (602) is fixedly connected with a T-shaped rod (603), the bottom end of the connecting plate (602) is fixedly connected with a first compression spring (604), the bottom end of the first compression spring (604) is sleeved and connected with a spring seat (605), and the spring seat (605) is fixedly connected with the, the top end swing joint of pipe (601) has first sealed rubber ring (606), the top fixedly connected with second compression spring (607) of T type pole (603), and the bottom melting of second compression spring (607) is connected with second sealed rubber ring (608), clamping mechanism (7) are installed on the top of valve body (1), pressure release mechanism (8) are installed to one side of valve body (1).
2. A balanced valve capable of reducing the friction of the greige ring according to claim 1, wherein: the T-shaped rod (603) is movably sleeved with the top end of the guide pipe (601), and the first sealing rubber ring (606) is movably connected with the surface of the T-shaped rod (603).
3. A balanced valve capable of reducing the friction of the greige ring according to claim 1, wherein: the top ends of the second sealing rubber ring (608) and the first sealing rubber ring (606) are movably connected, and the first sealing rubber ring (606) and the T-shaped rod (603) form an elastic telescopic structure through a second compression spring (607).
4. A balanced valve capable of reducing the friction of the greige ring according to claim 1, wherein: the first compression spring (604) is movably connected with the inside of the valve body (1), and the spring seat (605) forms an elastic telescopic structure with the connecting plate (602) through the first compression spring (604).
5. A balanced valve capable of reducing the friction of the greige ring according to claim 1, wherein: clamping mechanism (7) inside including with valve body (1) top fixed connection's bearing (701), and the top of bearing (701) rotates and is connected with L template (702), the inside fixedly connected with third compression spring (703) of L template (702), and the other end fixedly connected with clamp plate (704) of third compression spring (703), the inside threaded connection of L template (702) has hand bolt (705), and is swing joint between the surface of hand bolt (705) and clamp plate (704).
6. A balanced valve capable of reducing the Gray circle friction force according to claim 5, characterized in that: the pressing plate (704) is movably connected with the surface of the first sealing rubber ring (606), and the pressing plate (704) is symmetrical about the central axis of the first sealing rubber ring (606).
7. A balanced valve capable of reducing the Gray circle friction force according to claim 5, characterized in that: the pressure plate (704) and the L-shaped plate (702) form a telescopic structure through a hand-screwed bolt (705), and the L-shaped plate (702) and the valve body (1) form a rotating structure through a bearing (701).
8. A balanced valve capable of reducing the friction of the greige ring according to claim 1, wherein: the pressure relief mechanism (8) is inside including pressure relief valve (801) of being connected with valve body (1) one side gomphosis, and the inside threaded connection of pressure relief valve (801) has sleeve (802), a plurality of pressure relief holes (803) have been seted up to the surperficial equidistance of sleeve (802), and one side melting of sleeve (802) is connected with rubber slab (804), and the surface melting of this rubber slab (804) is connected with apron (805).
9. A balanced valve capable of reducing the friction of the greige ring according to claim 8, wherein: the cover plate (805) forms a telescopic structure with the pressure release valve (801) through the sleeve (802), and the size of the cover plate (805) is larger than that of the pressure release valve (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011585448.6A CN112856003A (en) | 2020-12-29 | 2020-12-29 | Balance valve capable of reducing Gray circle friction force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011585448.6A CN112856003A (en) | 2020-12-29 | 2020-12-29 | Balance valve capable of reducing Gray circle friction force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112856003A true CN112856003A (en) | 2021-05-28 |
Family
ID=75997928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011585448.6A Withdrawn CN112856003A (en) | 2020-12-29 | 2020-12-29 | Balance valve capable of reducing Gray circle friction force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112856003A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0860713A (en) * | 1994-08-19 | 1996-03-05 | Ntc Kogyo Kk | Expansion type stop cock |
| CN2823744Y (en) * | 2005-07-15 | 2006-10-04 | 翁四川 | Valve rod sealer and stop valve, gate valve and ball valve using same |
| CN201630844U (en) * | 2009-12-21 | 2010-11-17 | 晁向阳 | Sealing cup lid |
| DE102013203701A1 (en) * | 2012-03-08 | 2013-09-12 | Robert Bosch Gmbh | Hydrostatic positive displacement machine |
| CN205999359U (en) * | 2016-08-26 | 2017-03-08 | 卢明杰 | A kind of automation grape brewing fermentation filter plant |
| CN106812983A (en) * | 2017-02-22 | 2017-06-09 | 中亚阀门有限公司 | A kind of Pneumatic safety voltage regulation of voltage regulation protects gate valve |
| CN108105193A (en) * | 2017-12-21 | 2018-06-01 | 宁波文泽机电技术开发有限公司 | A kind of balanced valve that can reduce Glais ring frictional force |
| CN207831380U (en) * | 2018-01-25 | 2018-09-07 | 廊坊市绿创环保科技有限公司 | A kind of RCO catalytic combustion systems |
| CN211954306U (en) * | 2020-06-19 | 2020-11-17 | 杜建军 | Anticorrosive gas production instrument installation device |
-
2020
- 2020-12-29 CN CN202011585448.6A patent/CN112856003A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0860713A (en) * | 1994-08-19 | 1996-03-05 | Ntc Kogyo Kk | Expansion type stop cock |
| CN2823744Y (en) * | 2005-07-15 | 2006-10-04 | 翁四川 | Valve rod sealer and stop valve, gate valve and ball valve using same |
| CN201630844U (en) * | 2009-12-21 | 2010-11-17 | 晁向阳 | Sealing cup lid |
| DE102013203701A1 (en) * | 2012-03-08 | 2013-09-12 | Robert Bosch Gmbh | Hydrostatic positive displacement machine |
| CN205999359U (en) * | 2016-08-26 | 2017-03-08 | 卢明杰 | A kind of automation grape brewing fermentation filter plant |
| CN106812983A (en) * | 2017-02-22 | 2017-06-09 | 中亚阀门有限公司 | A kind of Pneumatic safety voltage regulation of voltage regulation protects gate valve |
| CN108105193A (en) * | 2017-12-21 | 2018-06-01 | 宁波文泽机电技术开发有限公司 | A kind of balanced valve that can reduce Glais ring frictional force |
| CN207831380U (en) * | 2018-01-25 | 2018-09-07 | 廊坊市绿创环保科技有限公司 | A kind of RCO catalytic combustion systems |
| CN211954306U (en) * | 2020-06-19 | 2020-11-17 | 杜建军 | Anticorrosive gas production instrument installation device |
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Application publication date: 20210528 |
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| WW01 | Invention patent application withdrawn after publication |