CN113565988B - Hard seal ball valve - Google Patents
Hard seal ball valve Download PDFInfo
- Publication number
- CN113565988B CN113565988B CN202110968497.6A CN202110968497A CN113565988B CN 113565988 B CN113565988 B CN 113565988B CN 202110968497 A CN202110968497 A CN 202110968497A CN 113565988 B CN113565988 B CN 113565988B
- Authority
- CN
- China
- Prior art keywords
- valve
- filter
- direct current
- sealing
- adjusting
- Prior art date
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 97
- 238000001914 filtration Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Taps Or Cocks (AREA)
- Lift Valve (AREA)
Abstract
The invention is suitable for the technical field of ball valves, and provides a hard seal ball valve.A ball valve assembly and a filter assembly are arranged, a valve body of the ball valve assembly is provided with a front valve seat and a rear valve seat which are in sealing contact with a valve core through sealing elements, the filter assembly comprises a filter pipe, the filter pipe is provided with a filter part and a direct current part, the filter part and the direct current part are both used for medium circulation, an adjusting plate is arranged in the direct current part, the adjusting plate is connected with a driving part, the driving part is used for driving the adjusting plate to move to a first position for sealing the direct current part, and a second position for opening the direct current part, so that a user can start and open the direct current part as required, the flow rate can be reduced when the direct current part is closed, the water quality can be improved, the flow rate can be improved, various specific use conditions can be adapted, and the application range is increased.
Description
Technical Field
The invention belongs to the technical field of ball valves, and particularly relates to a hard seal ball valve.
Background
The ball valve is an opening and closing piece used in a pipeline and used for controlling the flow and the on-off of fluid in the pipeline, and the valve core in the valve rotates through the rotating handle above the valve, so that the flow rate of the fluid passing through the valve can be regulated and adjusted. The ball valve has the advantages of high circulation force, quick and quick opening and closing, convenient installation, more connection modes and wide application range; the sealing of ball valves can be broadly divided into soft sealing and hard sealing.
The sealing effect of the existing hard sealing ball valve is poor, and the sealing element in the existing hard sealing ball valve is of a single hard sealing structure, so that the valve core cannot be in complete close contact with the sealing surface of the valve seat when the valve is closed due to the influence of factors such as service life and the like, and the performance is unstable and even leakage is caused. And the existing sealing ball valve lacks the filtering function to the medium, is unfavorable for promoting water quality.
Disclosure of Invention
The invention provides a hard sealing ball valve, which aims to solve the problems in the prior art.
The invention is embodied in a hard seal ball valve comprising:
the ball valve assembly comprises a valve body and a valve core, wherein the valve core is arranged on the inner side of the valve body, the valve core is fixedly connected with a valve rod, and the valve body is provided with a front valve seat and a rear valve seat which are in sealing contact with the valve core through sealing elements; the valve body is positioned between the front valve seat and the rear valve seat;
the filter assembly comprises a filter pipe communicated with the valve body, the filter pipe is provided with a filter part and a direct current part, the filter part and the direct current part are both used for medium circulation, an adjusting plate is arranged in the direct current part, the adjusting plate is connected with a driving part, and the driving part is used for driving the adjusting plate to move to a first position for sealing the direct current part and a second position for opening the direct current part.
Preferably, the sealing element comprises a first sealing block contacting the valve core and a second sealing block contacting the front valve seat and the rear valve seat;
an adjusting spring is arranged on the second sealing block, one end of the adjusting spring contacts the first sealing block and drives the first sealing block to cling to the valve core.
Preferably, the first sealing block is provided with an inner groove for accommodating the second sealing block;
the section of the groove wall of the inner groove is of an L-shaped structure; one side surface of the groove wall is connected with the adjusting spring; the other side surface is provided with a plurality of sealing strips which are distributed at intervals; the sealing strip is tightly attached to the second sealing block.
Preferably, one side of the groove wall is provided with a hemispherical groove formed by recessing;
one end of the adjusting spring is fixed with a convex head of a hemispherical structure matched with the hemispherical groove;
the raised head is detachably embedded into the groove.
Preferably, the filtering part comprises a filtering groove arranged at the bottom of the filtering pipe;
a baffle plate for dividing the filter tank into two filter bins is arranged in the filter tank; a gap for medium circulation is arranged between the lower edge of the partition plate and the bottom wall of the filter tank; and filter elements are arranged in the two filter bins.
Preferably, the upper edge of the partition plate is of a semicircular arc-shaped protruding structure;
the adjusting plate is located right above the partition plate, and the lower edge of the adjusting plate is provided with a semicircular caulking groove matched with the semicircular arc protrusion.
Preferably, the driving part comprises a control bin arranged on the outer wall of the filter tube;
an adjusting screw rod is arranged in the control bin in a penetrating way; a bin cover is arranged at the top of the control bin, and a threaded sleeve matched with the adjusting screw rod is arranged on the bin cover; the lower end of the adjusting screw rod is rotatably connected with the adjusting plate;
a filling bin for the adjusting screw rod to penetrate is arranged in the bin cover; and a filler is arranged in the filler bin.
Preferably, one end of the valve body, which is far away from the filter pipe, is provided with a first flange;
and a second flange is arranged at one end of the filter pipe, which is far away from the valve body.
Preferably, a water-swelling expansion body is arranged at a gap between the inner wall of the valve body and the valve core.
Preferably, square heads with the same model are arranged on the adjusting screw rod and the valve rod.
Compared with the prior art, the invention has the beneficial effects that: according to the hard sealing ball valve, the ball valve assembly and the filter assembly are arranged, the valve body of the ball valve assembly is provided with the front valve seat and the rear valve seat which are in sealing contact with the valve core through the sealing element, the filter assembly comprises the filter pipe, the filter pipe is provided with the filter part and the direct current part, the filter part and the direct current part are both used for medium circulation, the direct current part is internally provided with the regulating plate, the regulating plate is connected with the driving part, the driving part is used for driving the regulating plate to move to a first position for sealing the direct current part, and a second position for opening the direct current part, so that a user can start and open the direct current part as required, the flow rate can be reduced when the direct current part is closed, the water quality can be improved, the flow rate can be improved, various specific use conditions can be adapted, and the application range is increased.
Drawings
FIG. 1 is a schematic view of the overall structure of a hard seal ball valve of the present invention.
Fig. 2 is an enlarged schematic view of detail a in fig. 1.
Fig. 3 is an enlarged schematic view of detail B in fig. 2.
In the figure: 1. a ball valve assembly; 11. a valve body; 111. a valve cover; 112. a valve stem; 113. a first fixing bolt; 114. a first flange; 115. a second fixing bolt; 12. a valve core; 13. a seal; 131. a first sealing block; 132. a second sealing block; 133. a spring groove; 134. an adjusting spring; 135. a nose; 136. a sealing strip; 14. a support pin; 15. an expansion body; 2. a filter assembly; 21. a filter tube; 211. a second flange; 22. a filter tank; 23. a partition plate; 24. a filter element; 25. a control bin; 26. a bin cover; 261. a filling bin; 27. adjusting a screw; 28. an adjusting plate; 281. a caulking groove; 29. and a limiting block.
Description of the embodiments
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: a hard seal ball valve comprises a ball valve assembly 1 and a filter assembly 2.
The ball valve assembly 1 comprises a valve body 11 and a valve core 12, wherein the valve core 12 is arranged on the inner side of the valve body 11, the valve core 12 is fixedly connected with a valve rod 112, and the valve body 11 is provided with a front valve seat and a rear valve seat which are in sealing contact with the valve core 12 through a sealing piece 13; the valve body 11 is positioned between the front valve seat and the rear valve seat; the sealing piece 13 comprises a first sealing block 131 which contacts the valve core 12 and a second sealing block 132 which contacts the front valve seat and the rear valve seat; an adjusting spring 134 is mounted on the second sealing block 132, and one end of the adjusting spring 134 contacts the first sealing block 131 and drives the first sealing block 131 to cling to the valve core 12. The valve body 11 is provided with a support pin 14 on the inner bottom wall thereof for supporting the valve core 12. The valve body 11 is of a combined structure, and is provided with a left part and a right part, and the two parts are fixedly connected through a plurality of first fixing bolts 113 and a plurality of second fixing bolts 115. A valve cover 111 is mounted on the top of the valve body 11.
Wherein the valve core 12 is used as an opening and closing member for opening and closing a passage in the valve body 11, and the sealing member 13 is used for sealing a gap between the valve core 12 and the front and rear valve seats. The first sealing block 131 and the second sealing block 132 are matched with each other, and one end of the adjusting spring 134 is accommodated in a spring groove 133 in the second sealing block 132. The adjusting spring 134 can drive the first sealing block 131 to move towards the valve core 12, so that the first sealing block 131 is continuously clung to the valve core 12, even if the first sealing block 131 is worn due to the influence of service life, the size of the first sealing block 131 is reduced, and as the size of the first sealing block 131 is reduced, the adjusting spring 134 can push the first sealing block 131 to move by relaxing tension to compensate for the reduced size, so that the sealing effect is ensured.
Referring to fig. 2, in order to enhance the sealing effect between the second sealing block 132 and the first sealing block 131. The first sealing block 131 is internally provided with an inner groove for accommodating the second sealing block 132; the section of the groove wall of the inner groove is of an L-shaped structure; one side of the groove wall is connected with an adjusting spring 134; the other side surface is provided with a plurality of sealing strips 136 which are distributed at intervals; sealing strip 136 is in close proximity to sealing block two 132. The second seal block 132 has a rectangular cross section. The lower edge of the sealing strip 136 is of a semicircular arc structure, so that the sealing strip 136 can smoothly slide along the surface of the second sealing block 132, and meanwhile, the sealing strip 136 can form multi-stage sealing, so that the sealing effect is effectively improved.
In order to improve the connection stability of the adjusting spring 134 to the first sealing block 131. One side of the groove wall is provided with a hemispherical groove formed by recessing; one end of the adjusting spring 134 is fixed with a convex head 135 of a hemispherical structure matched with the hemispherical groove; the nose 135 is removably inserted into the recess. So that the adjusting spring 134 can be inserted into the groove through the projection 135, and stably form a connection structure with the first sealing block 131.
The filter assembly 2 comprises a filter tube 21 communicated with the valve body 11, the filter tube 21 is provided with a filter part and a direct current part, the filter part and the direct current part are both used for medium circulation, an adjusting plate 28 is arranged in the direct current part, the adjusting plate 28 is connected with a driving part, and the driving part is used for driving the adjusting plate 28 to move to a first position for closing the direct current part and a second position for opening the direct current part. When the medium flows through the filter tube 21, the medium can flow from the direct current part and the filter part respectively, when the direct current part is opened, the medium can flow out through the direct current part more smoothly because the resistance of the direct current part relative to the filter part is smaller, and when the direct current part is closed, the medium can only flow through the filter part, but the flow speed and the flow rate can be reduced relatively, but the water quality can be effectively improved due to the filtering effect. Two limiting blocks 29 for limiting the rotation of the adjusting plate 28 are arranged on two sides of the adjusting plate 28, and the two limiting blocks 29 are respectively fixed on the inner wall of the control cabin 25.
Specifically, the filtering part includes one filtering groove 22 provided at the bottom of the filtering tube 21; a baffle plate 23 for dividing the filter tank 22 into two filter bins is arranged in the filter tank 22; a gap for medium circulation is arranged between the lower edge of the partition plate 23 and the bottom wall of the filter tank 22; a filter element 24 is arranged in both filter bins. The filter element 24 is an activated carbon filter plate. The upper edge and the lower edge of the partition plate 23 are both semicircular arc protruding structures, so that smooth circulation of media can be facilitated.
In order to promote the sealing effect between the regulating plate 28 and the partition 23. The upper edge of the partition plate 23 is of a semicircular arc-shaped protruding structure; the adjusting plate 28 is located directly above the partition 23, and the lower edge of the adjusting plate 28 has a semicircular arc-shaped caulking groove 281 which is matched with the semicircular arc-shaped protrusion. The partition 23 may be connected to the adjusting plate 28 through the caulking groove 281, and may further enhance the sealing effect by attaching a rubber pad in the caulking groove 281.
Referring to fig. 3, the driving part includes a control cabin 25 provided on the outer wall of the filter tube 21; an adjusting screw 27 is arranged in the control bin 25 in a penetrating way; the top of the control bin 25 is provided with a bin cover 26, and the bin cover 26 is provided with a threaded sleeve matched with the adjusting screw 27; the lower end of the adjusting screw 27 is rotatably connected with an adjusting plate 28; the bin cover 26 is internally provided with a filling bin 261 through which the adjusting screw 27 penetrates; a filler is provided in the filler bin 261. When the adjusting screw 27 rotates, the adjusting plate 28 can be driven to lift, the adjusting plate 28 is in the second position when being lifted to contact with the bin cover 26, the direct current part is opened, the adjusting plate 28 is in the first position when being lifted to contact with and press against the partition plate 23, and the direct current part is closed.
A water-swellable expansion body 15 is arranged at a gap between the inner wall of the valve body 11 and the valve core 12. The expansion body 15 is made of a water-swelling rubber material, so that when the sealing element 13 leaks, the expansion body 15 contacts water, so that the expansion body expands to fill a gap between the inner wall of the valve body 11 and the valve core 12, thereby reducing the leakage of water, and being more economical and environment-friendly.
The adjusting screw 27 and the valve rod 112 are provided with square heads with the same model. Since the square heads on the adjusting screw 27 and the valve rod 112 are the same in size, the adjusting screw 27 and the valve rod 112 can be driven by the same type driving piece, and the operation is more convenient.
One end of the valve body 11, which is far away from the filter pipe 21, is provided with a first flange 114; the end of the filter tube 21 remote from the valve body 11 is provided with a second flange 211. The flange one 114 and the flange two 211 are used for connecting an external pipeline, the flange one 114 is connected with a water outlet pipeline, and the flange two 211 is connected with a water inlet pipeline.
When the hard sealing ball valve is used, the valve core 12 can rub with the sealing element 13, and the first sealing block 131 is worn due to the influence of the service life, so that the size of the first sealing block 131 is reduced, and the adjusting spring 134 can push the first sealing block 131 to move by relaxing tension along with the reduction of the size of the first sealing block 131 so as to compensate the reduced size, so that the sealing effect is ensured. When the medium flows through the filter tube 21, the medium can flow from the direct current part and the filter part respectively, when the direct current part is opened, the medium can flow smoothly through the direct current part because the resistance of the direct current part relative to the filter part is smaller, when the direct current part is closed, the medium can only flow through the filter part, and the medium sequentially flows through the two filter cores 24, but the flow speed and the flow rate can be relatively reduced, but the water quality can be effectively improved due to the filtering effect.
In summary, according to the hard sealing ball valve of the present invention, by providing the ball valve assembly 1 and the filter assembly 2, the valve body 11 of the ball valve assembly 2 is provided with the front valve seat and the rear valve seat which are in sealing contact with the valve core 12 through the sealing member 13, the filter assembly 2 includes the filter tube 21, and the filter tube 21 has a filter portion and a direct current portion, both of which are used for medium circulation, the direct current portion is provided with an adjusting plate 28, the adjusting plate 28 is connected with a driving portion, the driving portion is used for driving the adjusting plate 28 to move to a first position for closing the direct current portion, and a second position for opening the direct current portion, so that a user can start and open the direct current portion as required, the flow rate is reduced, the water quality is improved, the direct current portion is opened, the flow rate is improved, various specific use conditions can be adapted, and the application range is increased.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (4)
1. A hard seal ball valve, characterized in that: comprising the following steps:
the ball valve assembly (1) comprises a valve body (11) and a valve core (12), wherein the valve core (12) is arranged on the inner side of the valve body (11), the valve core (12) is fixedly connected with a valve rod (112), and the valve body (11) is provided with a front valve seat and a rear valve seat which are in sealing contact with the valve core (12) through sealing elements (13); -said valve body (11) being located between said front valve seat and said rear valve seat;
the filter assembly (2) comprises a filter tube (21) communicated with the valve body (11), the filter tube (21) is provided with a filter part and a direct current part, the filter part and the direct current part are used for medium circulation, an adjusting plate (28) is arranged in the direct current part, the adjusting plate (28) is connected with a driving part, and the driving part is used for driving the adjusting plate (28) to move to a first position for closing the direct current part and a second position for opening the direct current part;
the sealing element (13) comprises a first sealing block (131) contacting the valve core (12) and a second sealing block (132) contacting the front valve seat and the rear valve seat, an adjusting spring (134) is arranged on the second sealing block (132), and one end of the adjusting spring (134) contacts the first sealing block (131) and drives the first sealing block (131) to be clung to the valve core (12);
an inner groove for accommodating the sealing block II (132) is formed in the sealing block I (131), and the cross section of the groove wall of the inner groove is of an L-shaped structure; one side surface of the groove wall is connected with the adjusting spring (134); the other side surface is provided with a plurality of sealing strips (136) which are distributed at intervals; the sealing strip (136) is tightly attached to the second sealing block (132);
one side surface of the groove wall is provided with a hemispherical groove formed by recessing, one end of the adjusting spring (134) is fixed with a protruding head (135) of a hemispherical structure matched with the hemispherical groove, and the protruding head (135) is detachably embedded into the groove;
the filtering part comprises a filtering groove (22) arranged at the bottom of the filtering pipe (21), and a baffle plate (23) for separating the filtering groove (22) into two filtering bins is arranged in the filtering groove (22); a gap for medium circulation is arranged between the lower edge of the partition plate (23) and the bottom wall of the filter tank (22); the filter cartridges are arranged in the two filter bins, the upper edges of the separation plates (23) are of semicircular arc-shaped protruding structures, the adjusting plates (28) are located right above the separation plates (23), and the lower edges of the adjusting plates (28) are provided with semicircular arc-shaped caulking grooves (281) matched with the semicircular arc-shaped protrusions;
the driving part comprises a control bin (25) arranged on the outer wall of the filter tube (21), and an adjusting screw (27) is arranged in the control bin (25) in a penetrating way; a bin cover (26) is arranged at the top of the control bin (25), and a threaded sleeve matched with the adjusting screw (27) is arranged on the bin cover (26); the lower end of the adjusting screw rod (27) is rotatably connected with the adjusting plate (28), and a filling bin (261) for the adjusting screw rod (27) to penetrate is arranged in the bin cover (26); and a filler is arranged in the filler bin (261).
2. A hard seal ball valve as defined in claim 1, wherein: one end of the valve body (11) far away from the filter pipe (21) is provided with a flange I (114);
one end of the filter pipe (21) far away from the valve body (11) is provided with a second flange (211).
3. A hard seal ball valve as defined in claim 1, wherein: a water-swelling expansion body (15) is arranged at a gap between the inner wall of the valve body (11) and the valve core (12).
4. A hard seal ball valve as defined in claim 1, wherein: the adjusting screw rod (27) and the valve rod (112) are provided with square heads with the same model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110968497.6A CN113565988B (en) | 2021-08-23 | 2021-08-23 | Hard seal ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110968497.6A CN113565988B (en) | 2021-08-23 | 2021-08-23 | Hard seal ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113565988A CN113565988A (en) | 2021-10-29 |
| CN113565988B true CN113565988B (en) | 2023-08-15 |
Family
ID=78172496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110968497.6A Active CN113565988B (en) | 2021-08-23 | 2021-08-23 | Hard seal ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113565988B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202392179U (en) * | 2011-12-27 | 2012-08-22 | 浙江万得凯铜业有限公司 | T-shaped belt pulling and filtering ball valve |
| CN102654202A (en) * | 2012-04-20 | 2012-09-05 | 浙江欧维克阀门有限公司 | High-temperature metal hard seal ball valve for granular media |
| CN204176013U (en) * | 2014-07-28 | 2015-02-25 | 董服义 | Novel filtration ball valve |
| CN205423950U (en) * | 2015-12-21 | 2016-08-03 | 天津信诺金智科技有限公司 | Novel select strainer valve |
| CN206786068U (en) * | 2017-05-16 | 2017-12-22 | 宁波埃美柯铜阀门有限公司 | Filter-type threeway angle valve |
| CN207161762U (en) * | 2017-09-13 | 2018-03-30 | 奥工阀门有限公司 | A kind of three-way hard seal ball valve |
| CN209876009U (en) * | 2019-04-15 | 2019-12-31 | 温州赤龙阀门有限公司 | Particle-proof ball valve |
| CN111609151A (en) * | 2020-05-12 | 2020-09-01 | 青岛正宇机电制造有限公司 | Bidirectional non-return plastic valve |
| CN212226049U (en) * | 2020-03-25 | 2020-12-25 | 吴忠仪表有限责任公司 | Soft and hard sealing type ball valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151577A (en) * | 2015-03-27 | 2016-11-23 | 贺增华 | A kind of support for ball valve and fixing ball valve |
-
2021
- 2021-08-23 CN CN202110968497.6A patent/CN113565988B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202392179U (en) * | 2011-12-27 | 2012-08-22 | 浙江万得凯铜业有限公司 | T-shaped belt pulling and filtering ball valve |
| CN102654202A (en) * | 2012-04-20 | 2012-09-05 | 浙江欧维克阀门有限公司 | High-temperature metal hard seal ball valve for granular media |
| CN204176013U (en) * | 2014-07-28 | 2015-02-25 | 董服义 | Novel filtration ball valve |
| CN205423950U (en) * | 2015-12-21 | 2016-08-03 | 天津信诺金智科技有限公司 | Novel select strainer valve |
| CN206786068U (en) * | 2017-05-16 | 2017-12-22 | 宁波埃美柯铜阀门有限公司 | Filter-type threeway angle valve |
| CN207161762U (en) * | 2017-09-13 | 2018-03-30 | 奥工阀门有限公司 | A kind of three-way hard seal ball valve |
| CN209876009U (en) * | 2019-04-15 | 2019-12-31 | 温州赤龙阀门有限公司 | Particle-proof ball valve |
| CN212226049U (en) * | 2020-03-25 | 2020-12-25 | 吴忠仪表有限责任公司 | Soft and hard sealing type ball valve |
| CN111609151A (en) * | 2020-05-12 | 2020-09-01 | 青岛正宇机电制造有限公司 | Bidirectional non-return plastic valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113565988A (en) | 2021-10-29 |
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