CN113175560A - Valve body with pre-filter - Google Patents
Valve body with pre-filter Download PDFInfo
- Publication number
- CN113175560A CN113175560A CN202110658153.5A CN202110658153A CN113175560A CN 113175560 A CN113175560 A CN 113175560A CN 202110658153 A CN202110658153 A CN 202110658153A CN 113175560 A CN113175560 A CN 113175560A
- Authority
- CN
- China
- Prior art keywords
- valve body
- cylinder
- filter
- connecting rod
- piston
- 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.)
- Pending
Links
- 238000011045 prefiltration Methods 0.000 title claims abstract description 24
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 18
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 18
- 241001330002 Bambuseae Species 0.000 claims description 18
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 18
- 239000011425 bamboo Substances 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000001914 filtration Methods 0.000 description 9
- 238000007789 sealing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
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)
- Details Of Valves (AREA)
Abstract
The invention provides a valve body with a pre-filter, which comprises a valve body, wherein a plurality of grooves are formed in one side in the valve body in an annular equidistant manner, a ball seat is fixed on one side, close to a second filter, in each groove, a ball body for plugging the ball seat is arranged in each ball seat, a cylinder is arranged on one side, away from the ball seat, of each ball body, a connecting rod is fixedly connected onto the spherical surface of each ball body, one end, away from the ball body, of each connecting rod extends into each cylinder and is fixedly connected with a first piston, one end, away from each connecting rod, of each cylinder is connected with a connecting pipe, one end, away from each cylinder, of each connecting pipe extends to the outer side of the valve body and is connected and communicated with each hollow cylinder, a second piston is arranged in each hollow cylinder in a sliding manner, one side, away from each connecting pipe, of each second piston is provided with a spring, and one side, away from each spring, away from each second piston, of each spring, is provided with a limiting block for limiting the position and adjusting the spring, compared with the prior art, the valve body has the following beneficial effects: the convenient adjustment of the opening pressure of the sphere is realized, and the rotation range of the spring is enlarged.
Description
Technical Field
The invention relates to a valve body with a pre-filter, belonging to the technical field of valves.
Background
The valve body is a main part in the valve, and different mechanical manufacturing methods exist according to pressure grades. The manufacturing method includes casting, forging and the like.
Chinese patent application No. CN201810379713.1 discloses a clean butterfly valve with strong filtering performance, a branch is arranged between a valve body and a first filtering body, a second stop block, a ball and a spring are installed in the branch, the spring and the ball are placed between the second stop block, the second filtering body is installed at the front end of the branch, and the disadvantages of the butterfly valve are as follows: the reaction force of the spring to the ball body can not be adjusted, and the springs with different lengths are difficult to install due to the limitation of the internal space of the branch, so that the spring selection range is small.
Disclosure of Invention
In view of the shortcomings of the prior art, the present invention provides a valve body with a pre-filter to solve the problems mentioned above in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: a valve body with a pre-filter comprises a valve body, wherein a plurality of grooves are formed in one side of the valve body in an annular equal distance mode, a sealing plate is fixed to the inner side of each groove and close to the opening end of the groove, a first filtering piece is installed at the position, where the groove is formed, of the valve body, a second filtering piece is installed on one side, close to the opening end of the valve body, of the sealing plate, a ball seat is fixed to one side, close to the second filtering piece, of the groove, the ball seat is fixedly connected with the sealing plate, a ball body used for plugging the ball seat is arranged in the ball seat, a cylinder is arranged on one side, away from the ball seat, of the ball body, a connecting rod is fixedly connected to the spherical surface of the ball body, one end, away from the ball body, of the connecting rod extends into the cylinder and is fixedly connected with a first piston, the first piston is slidably installed in the cylinder, one end, away from the connecting rod, of the cylinder is connected with a connecting pipe, one end, away from the cylinder, extends to the outer side of the valve body and is communicated with a hollow cylinder, a second piston is slidably mounted in the hollow cylinder, a spring is arranged on one side, deviating from the connecting pipe, of the second piston, and a limiting block used for limiting the position of the spring and adjusting the position is arranged on one side, deviating from the second piston, of the spring.
Further, the stopper is the cylinder structure, stopper surface processing has first external screw thread, the one end that the connecting pipe was kept away from to hollow section of thick bamboo is the opening form, one side processing of keeping away from the connecting pipe in the hollow section of thick bamboo has the internal thread, stopper threaded connection is in hollow section of thick bamboo, the stopper deviates from one side middle part position processing of spring have with interior hexagonal spanner matched with hexagon socket head cap hole.
Further, the face, deviating from the interior hexagonal hole, of the limiting block is provided with a rubber pad, the rubber pad is of a circular structure, and the rubber pad is adhered to the limiting block through glue.
Further, the outer surface of one end of the hollow cylinder, which is far away from the connecting pipe, is in threaded connection with an internal thread cover, a square head is fixed at the middle position of one side of the internal thread cover, which is far away from the hollow cylinder, and the square head and the internal thread cover are of an integrally formed structure.
Further, the hollow cylinder is close to the one end outward appearance of connecting pipe and is personally submitted annular equidistance and be fixed with a plurality of branch, the one end and the valve body fixed connection of hollow cylinder are kept away from to branch.
Furthermore, the outer surface of the cylinder is symmetrically and fixedly connected with two connecting rods, and one end, far away from the cylinder, of each connecting rod is fixedly connected with the inner wall of the corresponding groove.
Further, the outer surface of the cylinder is sleeved with a cylinder sleeve used for storing moisture, the cylinder sleeve is fixedly connected with the cylinder, an inlet pipe connected with a cooling water supply pipe is mounted on the outer surface of the cylinder sleeve, one end, far away from the cylinder sleeve, of the inlet pipe extends to the outer side of the valve body, a water outlet pipe connected with a cooling water return pipe is mounted on the outer surface of the cylinder sleeve, and one end, far away from the cylinder sleeve, of the water outlet pipe extends to the outer side of the valve body.
Furthermore, a conical cover is fixed in the middle of one side of the cylinder close to the connecting rod, the conical cover is sleeved on the connecting rod, and the small end of the conical cover is attached to the surface of the connecting rod.
Furthermore, a second external thread is processed on the outer surface of one end, far away from the first piston, of the connecting rod, a threaded blind hole is formed in the spherical surface of the sphere, and one end, used for processing the second external thread, of the connecting rod is connected in the threaded blind hole in a threaded mode.
Furthermore, a limiting cylinder is fixed on one surface, facing the spring, of the second piston, and one end of the spring extends into the limiting cylinder.
The invention has the beneficial effects that:
1. according to the valve body with the pre-filter, the position of one end of the spring is limited by the limiting block, the spring is in a compressed state, the second piston is located on one side, close to the connecting pipe, in the hollow cylinder, when the first filter piece blocks the medium and is not smooth to circulate, the medium flows into a space formed by the sealing plate and the groove through the second filter piece, the pressure difference on two sides of the sphere changes, the sphere is far away from the ball seat under the action of the pressure difference, the sphere moves through the connecting rod to drive the first piston to slide in the cylinder, the first piston extrudes the air in the cylinder to enable the air in the cylinder to flow into the hollow cylinder, and the second piston slides in the hollow cylinder and jointly acts with the limiting block to extrude the spring again, so that the purpose that the medium flows through the second filter piece is achieved.
2. According to the valve body with the pre-filter, the position of the limiting block in the hollow cylinder is adjusted, so that the initial deformation amount of the spring is increased or decreased, the opening pressure of the sphere is conveniently adjusted, and meanwhile, after the distance between the limiting block and the second piston is increased or decreased, the springs with different lengths are conveniently installed in the hollow cylinder, and the rotation range of the spring is expanded.
3. According to the valve body with the pre-filter, the spring is arranged in the hollow cylinder positioned at the outer side of the valve body, so that the spring is convenient to assemble and disassemble.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of a valve body with a pre-filter according to the present invention;
FIG. 2 is an enlarged view of the valve body with a pre-filter at A of the present invention;
FIG. 3 is an enlarged view of the valve body with a pre-filter at B of the present invention;
FIG. 4 is a schematic view of an assembly of a rubber pad and a stopper in a valve body with a pre-filter according to the present invention;
FIG. 5 is a schematic view of the assembly of the cartridge housing, conical cover and cylinder in a valve body with pre-filter according to the present invention;
in the figure: 1-a valve body, 2-a groove, 3-a sealing plate, 4-a first filter piece, 5-a second filter piece, 6-a ball seat, 7-a spherical body, 8-a connecting rod, 9-a connecting rod, 10-a first piston, 11-a cylinder, 12-a connecting pipe, 13-a hollow cylinder, 14-an internal thread cover, 15-a square head, 16-an internal hexagonal hole, 17-a limiting block, 18-a spring, 19-a limiting cylinder, 20-a supporting rod, 21-a second piston, 22-a rubber pad, 23-a conical cover, 24-a water outlet pipe, 25-a cylinder sleeve and 26-a water inlet pipe.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a valve body with leading filter, includes valve body 1, and one side is annular equidistance in the valve body 1 and has seted up a plurality of recess 2, is close to its open end in the recess 2 and is fixed with shrouding 3, and the position department of setting up recess 2 in the valve body 1 installs first filtration piece 4, and shrouding 3 is close to 1 open-ended one side of valve body and installs the second and filter 5, and shrouding 3 filters 5 for the second and provides the installation carrier.
Be close to one side of second filter 5 in the recess 2 and be fixed with ball seat 6, ball seat 6 and 3 fixed connection of shrouding are equipped with the spheroid 7 that is used for shutoff ball seat 6 in the ball seat 6, and the spheroid 7 is in the ball seat 6 after, prevents that the medium from flowing through second filter 5.
One side that spheroid 7 deviates from ball seat 6 is equipped with drum 11, fixedly connected with connecting rod 8 on the spheroid 7 sphere, and the one end that spheroid 7 was kept away from to connecting rod 8 extends to in drum 11 and the first piston 10 of fixedly connected with, and connecting rod 8 plays the effect of connecting spheroid 7 and first piston 10.
The first piston 10 is slidably mounted in the cylinder 11, one end of the cylinder 11, which is far away from the connecting rod 9, is connected with a connecting pipe 12, one end of the connecting pipe 12, which is far away from the cylinder 11, extends to the outer side of the valve body 1 and is connected and communicated with the hollow cylinder 13, and the connecting pipe 12 realizes the connection and communication between the cylinder 11 and the hollow cylinder 13.
A second piston 21 is slidably mounted in the hollow cylinder 13, a spring 18 is arranged on one side, deviating from the connecting pipe 12, of the second piston 21, and the spring 18 is mounted in the hollow cylinder 13 on the outer side of the valve body 1, so that the spring 18 can be conveniently dismounted.
A limiting block 17 for limiting the position of the spring 18 and adjusting the position is arranged on one side of the spring 18, which is far away from the second piston 21, the position of one end of the spring 18 is limited by the limiting block 17, and the spring 18 is put in a compressed state, in which the second piston 21 is inside the hollow cylinder 13 on the side close to the connecting tube 12, when the medium flows smoothly due to blockage of the first filtering member 4, the medium flows into a space formed by the sealing plate 3 and the groove 2 through the second filtering member 5, the pressure difference between two sides of the spherical body 7 changes, the spherical body 7 is far away from the ball seat 6 under the action of the pressure difference, the spherical body 7 moves to drive the first piston 10 to slide in the cylinder 11 through the connecting rod 8, the first piston 10 extrudes the air in the cylinder 11 to enable the air in the cylinder 11 to flow into the hollow cylinder 13, the second piston 21 then slides in the hollow cylinder 13 and, in cooperation with the stop 17, again presses the spring 18, with the result that the medium flows through the second filter element 5.
As an embodiment of the present invention: stopper 17 is the cylinder structure, stopper 17 surface processing has first external screw thread, the one end that connecting pipe 12 was kept away from to hollow section of thick bamboo 13 is the opening form, one side processing of keeping away from connecting pipe 12 in the hollow section of thick bamboo 13 has the internal thread, stopper 17 threaded connection is in hollow section of thick bamboo 13, adjust the position of stopper 17 in hollow section of thick bamboo 13, make spring 18's initial deformation volume grow or diminish, realize the convenient adjustment of spheroid 7 opening pressure, interval grow or diminish back between stopper 17 and the second piston 21 simultaneously, be convenient for install the spring 18 of different length in hollow section of thick bamboo 13, enlarge spring 18's rotation range.
The position of the middle part of one side of the limiting block 17 departing from the spring 18 is provided with an inner hexagonal hole 16 matched with an inner hexagonal wrench, and the inner hexagonal wrench is inserted into the inner hexagonal hole 16, so that the limiting block 17 can be rotated conveniently.
As an embodiment of the present invention: one side that stopper 17 deviates from interior hexagonal hole 16 is equipped with rubber pad 22, and rubber pad 22 is circular structure, and rubber pad 22 passes through glue and stopper 17 adhesion mutually, and the design of rubber pad 22 prevents that spring 18 tip and stopper 17 rigid contact.
As an embodiment of the present invention: the outer surface of one end that connecting pipe 12 was kept away from to hollow section of thick bamboo 13 threaded connection has female screw cap 14, female screw cap 14 deviates from one side middle part rigidity of hollow section of thick bamboo 13 has square head 15, square head 15 and female screw cap 14 are the integrated into one piece structure, screw female screw cap 14 on hollow section of thick bamboo 13, realize the shutoff to hollow section of thick bamboo 13, debris such as dust proof get into hollow section of thick bamboo 13 at will, the design of square head 15 is convenient for utilize instrument dismouting female screw cap 14 such as spanners.
As an embodiment of the present invention: the outer surface of one end of the hollow cylinder 13 close to the connecting pipe 12 is in an annular shape and is fixed with a plurality of supporting rods 20 at equal intervals, one end of the supporting rod 20 far away from the hollow cylinder 13 is fixedly connected with the valve body 1, and the supporting rod 20 plays a role in connecting the hollow cylinder 13 with the valve body 1, so that the installation stability of the hollow cylinder 13 is improved.
As an embodiment of the present invention: two connecting rods 9 are symmetrically and fixedly connected to the outer surface of the cylinder 11, one end, far away from the cylinder 11, of each connecting rod 9 is fixedly connected with the inner wall of the corresponding groove 2, the connecting rods 9 are installed between the cylinder 11 and the inner wall of the corresponding groove 2, and the installation stability of the cylinder 11 is improved.
As an embodiment of the present invention: the outer surface of the cylinder 11 is sleeved with a cylinder sleeve 25 for storing water, the cylinder sleeve 25 is fixedly connected with the cylinder 11, the outer surface of the cylinder sleeve 25 is provided with a water inlet pipe 26 connected with a cooling water supply pipe, one end of the water inlet pipe 26 far away from the cylinder sleeve 25 extends to the outer side of the valve body 1, the outer surface of the cylinder sleeve 25 is provided with a water outlet pipe 24 connected with a cooling water return pipe, one end of the water outlet pipe 24 far away from the cylinder sleeve 25 extends to the outer side of the valve body 1, when the temperature of the medium flowing through the valve body 1 is higher, the cooling water flows into the space formed by the cylinder sleeve 25 and the cylinder 11 through the water inlet pipe 26, then the cooling water exchanges heat with the heat on the surface of the cylinder 11, the cooling water absorbing the heat is discharged to a cooling water return pipe through a water outlet pipe 24, the effect of reducing the temperature of the cylinder 11 is achieved, and the first piston 10 is prevented from being in a high-temperature environment, so that the influence of the temperature on the first piston 10 is reduced.
As an embodiment of the present invention: the middle part of one side of the cylinder 11 close to the connecting rod 8 is fixed with a conical cover 23, the conical cover 23 is sleeved on the connecting rod 8, the small end of the conical cover 23 is attached to the surface of the connecting rod 8, the connecting rod 8 slides on the surface of the connecting rod 8 relative to the connecting rod 8 in the moving process, and therefore sundries attached to the surface of the connecting rod 8 are shoveled by the conical cover 23, and the sundries in the medium are prevented from entering the cylinder 11 at will.
As an embodiment of the present invention: the one end surface processing that first piston 10 was kept away from to connecting rod 8 has the second external screw thread, has seted up the screw thread blind hole on the spheroid 7 sphere, and the one end threaded connection of the connecting rod 8 processing second external screw thread is in the screw thread blind hole, twists the screw thread blind hole with the one end of the connecting rod 8 processing second external screw thread in, realizes the combination formula assembly of connecting rod 8 and spheroid 7.
As an embodiment of the present invention: a limiting cylinder 19 is fixed on one surface, facing the spring 18, of the second piston 21, one end of the spring 18 extends into the limiting cylinder 19, and one end of the spring 18 extends into the limiting cylinder 19, so that the end position of the spring 18 is limited.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A valve body with a pre-filter, comprising a valve body (1), characterized in that: one side is the annular equidistance in valve body (1) and has seted up a plurality of recess (2), be close to its open end in recess (2) and be fixed with shrouding (3), the position department of seting up recess (2) in valve body (1) installs first filter (4), second filter (5) are installed to shrouding (3) being close to valve body (1) open-ended one side, be close to second filter (5) one side in recess (2) and be fixed with ball seat (6), ball seat (6) and shrouding (3) fixed connection, be equipped with ball (7) that are used for shutoff ball seat (6) in ball seat (6), one side that ball (7) deviate from ball seat (6) is equipped with drum (11), fixedly connected with connecting rod (8) on ball (7) sphere, the one end that ball (7) were kept away from in connecting rod (8) extends to drum (11) and fixedly connected with first piston (10), first piston (10) slidable mounting is in drum (11), the one end that connecting rod (9) were kept away from in drum (11) is connected with connecting pipe (12), the one end that drum (11) were kept away from in connecting pipe (12) extends to the valve body (1) outside and links to each other with hollow section of thick bamboo (13) and communicates with each other, slidable mounting has second piston (21) in hollow section of thick bamboo (13), one side that second piston (21) deviate from connecting pipe (12) is equipped with spring (18), one side that spring (18) deviate from second piston (21) is equipped with stopper (17) that are used for limiting spring (18) position and adjustable position.
2. A valve body with a pre-filter as set forth in claim 1, wherein: stopper (17) are the cylinder structure, stopper (17) surface processing has first external screw thread, the one end that connecting pipe (12) were kept away from in hollow section of thick bamboo (13) is the opening form, one side processing of keeping away from connecting pipe (12) in hollow section of thick bamboo (13) has the internal thread, stopper (17) threaded connection is in hollow section of thick bamboo (13), stopper (17) one side middle part position processing that deviates from spring (18) have with interior hexagonal spanner matched with interior hexagonal hole (16).
3. A valve body with a pre-filter as set forth in claim 2, wherein: the one side that stopper (17) deviate from interior hexagonal hole (16) is equipped with rubber pad (22), rubber pad (22) are circular structure, rubber pad (22) are through glue and stopper (17) adhesion mutually.
4. A valve body with a pre-filter as set forth in claim 1, wherein: the hollow cylinder (13) is far away from one end surface threaded connection of connecting pipe (12) has internal thread lid (14), internal thread lid (14) deviate from one side middle part rigidity of hollow cylinder (13) has square head (15), square head (15) and internal thread lid (14) are the integrated into one piece structure.
5. A valve body with a pre-filter as set forth in claim 1, wherein: the one end outward appearance that hollow cylinder (13) are close to connecting pipe (12) is the annular equidistance and is fixed with a plurality of branch (20), the one end and valve body (1) fixed connection of hollow cylinder (13) are kept away from in branch (20).
6. A valve body with a pre-filter as set forth in claim 1, wherein: two connecting rods (9) are symmetrically and fixedly connected to the outer surface of the cylinder (11), and one end, far away from the cylinder (11), of each connecting rod (9) is fixedly connected with the inner wall of the corresponding groove (2).
7. A valve body with a pre-filter as set forth in claim 1, wherein: drum (11) surface cover is equipped with barrel casing (25) that is used for storing moisture, barrel casing (25) and drum (11) fixed connection, barrel casing (25) surface mounting has inlet tube (26) that are connected with the cooling water delivery pipe, the one end that barrel casing (25) were kept away from in inlet tube (26) extends to the valve body (1) outside, barrel casing (25) surface mounting has outlet pipe (24) that are connected with the cooling water wet return, the one end that barrel casing (25) were kept away from in outlet pipe (24) extends to the valve body (1) outside.
8. A valve body with a pre-filter as set forth in claim 1, wherein: the cylinder (11) is close to one side middle part position of connecting rod (8) and is fixed with conical cover (23), conical cover (23) cover is established on connecting rod (8), the tip of conical cover (23) is laminated with connecting rod (8) surface mutually.
9. A valve body with a pre-filter as set forth in claim 1, wherein: the outer surface of one end, far away from the first piston (10), of the connecting rod (8) is provided with a second external thread, the spherical surface of the spherical body (7) is provided with a threaded blind hole, and one end, provided with the second external thread, of the connecting rod (8) is in threaded connection with the threaded blind hole.
10. A valve body with a pre-filter as set forth in claim 1, wherein: one surface of the second piston (21) facing the spring (18) is fixed with a limiting cylinder (19), and one end of the spring (18) extends into the limiting cylinder (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110658153.5A CN113175560A (en) | 2021-06-15 | 2021-06-15 | Valve body with pre-filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110658153.5A CN113175560A (en) | 2021-06-15 | 2021-06-15 | Valve body with pre-filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113175560A true CN113175560A (en) | 2021-07-27 |
Family
ID=76927681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110658153.5A Pending CN113175560A (en) | 2021-06-15 | 2021-06-15 | Valve body with pre-filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113175560A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1775743A2 (en) * | 2005-10-14 | 2007-04-18 | Bosch Rexroth AG | Hydraulic pressure switch |
| CN102313054A (en) * | 2011-08-19 | 2012-01-11 | 浙江盾安阀门有限公司 | Piston type pressure reducing valve |
| CN104006194A (en) * | 2014-06-05 | 2014-08-27 | 宁波永享铜管道有限公司 | Reducing valve |
| CN105804157A (en) * | 2016-05-01 | 2016-07-27 | 张萍 | Air water generator having purification function |
| US20180149275A1 (en) * | 2016-11-28 | 2018-05-31 | Red-White Valve Corp. | Ball valve with components integrated into the ball member |
| CN108758025A (en) * | 2018-04-25 | 2018-11-06 | 天津奇昌阀门制造有限公司 | A kind of shut-off valve peculiar to vessel that leakproofness is strong |
| CN110397746A (en) * | 2018-04-25 | 2019-11-01 | 天津奇昌阀门制造有限公司 | A kind of clean type butterfly valve that strainability is strong |
| CN210118487U (en) * | 2019-02-19 | 2020-02-28 | 天津奇昌阀门制造有限公司 | High-pressure automatic flow divider valve |
-
2021
- 2021-06-15 CN CN202110658153.5A patent/CN113175560A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1775743A2 (en) * | 2005-10-14 | 2007-04-18 | Bosch Rexroth AG | Hydraulic pressure switch |
| CN102313054A (en) * | 2011-08-19 | 2012-01-11 | 浙江盾安阀门有限公司 | Piston type pressure reducing valve |
| CN104006194A (en) * | 2014-06-05 | 2014-08-27 | 宁波永享铜管道有限公司 | Reducing valve |
| CN105804157A (en) * | 2016-05-01 | 2016-07-27 | 张萍 | Air water generator having purification function |
| US20180149275A1 (en) * | 2016-11-28 | 2018-05-31 | Red-White Valve Corp. | Ball valve with components integrated into the ball member |
| CN108758025A (en) * | 2018-04-25 | 2018-11-06 | 天津奇昌阀门制造有限公司 | A kind of shut-off valve peculiar to vessel that leakproofness is strong |
| CN110397746A (en) * | 2018-04-25 | 2019-11-01 | 天津奇昌阀门制造有限公司 | A kind of clean type butterfly valve that strainability is strong |
| CN210118487U (en) * | 2019-02-19 | 2020-02-28 | 天津奇昌阀门制造有限公司 | High-pressure automatic flow divider valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2557341B1 (en) | Auto Decompression Valve | |
| CN204062071U (en) | Adjustable differential-pressure bypass valve | |
| CN113175560A (en) | Valve body with pre-filter | |
| CN203954834U (en) | A kind of piping filter | |
| CN201427001Y (en) | Bidirectional filter | |
| CN208417657U (en) | A kind of water flow regulating device | |
| CN208619789U (en) | Pressure maintaining valve | |
| CN209067422U (en) | A kind of cold air one-level booster pump | |
| CN201237408Y (en) | Filtering block cap of overcooling liquid reservoir | |
| CN102052494A (en) | Multi-domain adjustable pressure regulator and installation method thereof | |
| CN209146432U (en) | A kind of balanced valve | |
| CN214036904U (en) | Filtering decompression automatic valve | |
| CN209340543U (en) | A kind of single valve seat two-way sealing V-type ball valve | |
| CN2856793Y (en) | Temp controllable radiator | |
| CN208348607U (en) | A kind of fluid pressure maintaining valve and its boiler | |
| CN208886060U (en) | A kind of fast valve of average rate leakage | |
| CN211875125U (en) | Novel automobile air conditioner thermal expansion valve | |
| CN110701307B (en) | Dynamic balance constant temperature heating valve | |
| CN220706500U (en) | Plug-in type pressure reducing valve | |
| CN207049393U (en) | A kind of voltage stabilizing temperature control valve | |
| CN204459311U (en) | A kind of one-way valve of anti-siphon | |
| CN206972938U (en) | A kind of filter-type natural gas depressurization device | |
| CN214094022U (en) | Spraying assembly and moving platform | |
| CN105972279B (en) | Paint high-pressure filteration safety relief valve | |
| CN2514189Y (en) | Pressure relief valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210727 |