CN104879536A - Check valve - Google Patents
Check valve Download PDFInfo
- Publication number
- CN104879536A CN104879536A CN201510279450.3A CN201510279450A CN104879536A CN 104879536 A CN104879536 A CN 104879536A CN 201510279450 A CN201510279450 A CN 201510279450A CN 104879536 A CN104879536 A CN 104879536A
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- gear
- driven gear
- collection funnel
- 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
- 239000012535 impurity Substances 0.000 claims abstract description 27
- 239000010865 sewage Substances 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B01D35/046—Plug, tap, or cock filters filtering elements mounted in or on a faucet the filtering element being mounted in the faucet plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
-
- 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
-
- 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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/0415—Details of supporting structures
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)
- Multiple-Way Valves (AREA)
- Details Of Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a check valve with a good filtering effect. The check valve comprises a valve body and a valve cover, wherein the valve body is connected with the valve cover through a bolt and a nut; an inlet channel and an outlet channel are formed in the valve body; a valve seat is arranged on one side of the inlet channel in the valve body; a filtering net is arranged on the valve body, which is close to one side of the inlet channel, in the inlet channel; a V-shaped impurity collection funnel is arranged in the valve body at the lower end of the filtering net; the lower end of the V-shaped impurity collection funnel is connected with a sewage discharging opening in the lower end of the valve body; an upper baffle is arranged in the V-shaped impurity collection funnel; a gear box is arranged in the valve body; an upper driven gear is arranged on an upper screw sleeve; a lower driven gear is arranged on a lower screw sleeve; a driving gear meshed with the lower driven gear is also arranged in the gear box and is connected with a motor shaft of a speed reduction servo motor.
Description
Technical field
The present invention relates to a kind of valve, particularly relate to a kind of safety check.
Background technique
The pipeline of the industry such as oil, chemical industry all can use safety check, for the cut-out of fluids within pipes, existing safety check due to the valve base channel connecting inlet passage and outlet passage less, impurity long term accumulation in use in fluid easily blocks valve base channel, make valve cisco unity malfunction, simultaneously poor sealing performance between the flap of safety check and valve seat, it is easily aging that the time has grown seal ring, cause fluid to leak, usage requirement can not be met well.
Summary of the invention
Technical problem to be solved by this invention is: the safety check providing a kind of good filtration effect.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: safety check, comprise: valve body and valve gap, be connected by screw bolt and nut between described valve body and valve gap, inlet passage and outlet passage is provided with in described valve body, the side of described valve inner inlet passage is provided with valve seat, described valve seat is provided with seal ring, the passage be interconnected with inlet passage is provided with in valve seat, the flap cooperatively interacted with valve seat is provided with in described valve body, the upper end of described flap is connected with valve rod, the upper end of described valve rod is slidably arranged in the chute inside valve gap, spring is provided with in described chute, one end and the valve gap of described spring offset, the other end and the valve rod of described spring offset, flap inside described seal ring is also provided with secondary seal ring, described valve seat is provided with the secondary seal groove cooperatively interacted with secondary seal ring, on the valve body of passage side, filter screen is provided with in described inlet passage, V-type impurity collection funnel is provided with in the valve body of described filter screen lower end, the lower end of described V-type impurity collection funnel is connected with the sewage draining exit being arranged on valve body lower end, overhead gage is provided with in described V-type impurity collection funnel, one end of described overhead gage is stretched out V-type impurity collection funnel and is connected with the upper screw rod be arranged in valve body, lower pedal is provided with in described sewage draining exit, one end of described lower pedal is stretched out sewage draining exit and is connected with the lower screw rod be arranged in valve body, gear-box is provided with in described valve body, described gear-box internal fixtion is provided with the upper swivel nut cooperatively interacted with upper screw rod and the lower swivel nut cooperatively interacted with lower screw rod, swivel nut is provided with driven gear on described, described lower swivel nut is provided with lower driven gear, described upper driven gear and lower driven gear engage each other, also be provided with in described gear-box and be connected with the motor shaft of speed-down servo motor with driving gear described in the intermeshing driving gear of lower driven gear, described speed-down servo motor is fixedly installed on gear-box.
Advantage of the present invention is: above-mentioned safety check is arranged on pipeline, during normal use, it can play check function well, and can carry out filtering and the impurity filtered down being processed in time by convection cell in inlet passage, ensure that valve is unobstructed all the time, use convenient, long service life, carry out secondary seal by secondary seal ring and secondary seal groove between flap and valve seat simultaneously, can prevent the aging fluid caused of seal ring from leaking, good sealing effect, can meet usage requirement well.
Accompanying drawing explanation
Structural representation when Fig. 1 is safety check collecting by filtration impurity of the present invention.
Structural representation when Fig. 2 is safety check despumation of the present invention.
In figure: 1, valve body, 2, valve gap, 3, bolt, 4, nut, 5, inlet passage, 6, outlet passage, 7, valve seat, 8, seal ring, 9, passage, 10, flap, 11, valve rod, 12, chute, 13, spring, 14, secondary seal ring, 15, secondary seal groove, 16, filter screen, 17, V-type impurity collection funnel, 18, sewage draining exit, 19, overhead gage, 20, upper screw rod, 21, lower pedal, 22, lower screw rod, 23, gear-box, 24, upper swivel nut, 25, lower swivel nut, 26, upper driven gear, 27, lower driven gear, 28, driving gear, 29, speed-down servo motor, 30, motor shaft.
Embodiment
Particular content of the present invention is described in detail below in conjunction with the drawings and specific embodiments.
As Fig. 1, shown in Fig. 2, safety check, comprise: valve body 1 and valve gap 2, be connected with nut 4 by bolt 3 between described valve body 1 and valve gap 2, inlet passage 5 and outlet passage 6 is provided with in described valve body 1, the side of the inner inlet passage 6 of described valve body 1 is provided with valve seat 7, described valve seat 7 is provided with seal ring 8, the passage 9 be interconnected with inlet passage 5 is provided with in valve seat 7, the flap 10 cooperatively interacted with valve seat 7 is provided with in described valve body 1, the upper end of described flap 10 is connected with valve rod 11, the upper end of described valve rod 11 is slidably arranged in the chute 12 inside valve gap 2, spring 13 is provided with in described chute 12, one end and the valve gap 2 of described spring 13 offset, the other end and the valve rod 11 of described spring 13 offset, flap 10 inside described seal ring 8 is also provided with secondary seal ring 14, described valve seat 7 is provided with the secondary seal groove 15 cooperatively interacted with secondary seal ring 14, on the valve body 1 of passage 9 side, filter screen 16 is provided with in described inlet passage 5, V-type impurity collection funnel 17 is provided with in the valve body 1 of described filter screen 16 lower end, the lower end of described V-type impurity collection funnel 17 is connected with the sewage draining exit 18 being arranged on valve body 1 lower end, overhead gage 19 is provided with in described V-type impurity collection funnel 17, one end of described overhead gage 19 is stretched out V-type impurity collection funnel 17 and is connected with the upper screw rod 20 be arranged in valve body 1, lower pedal 21 is provided with in described sewage draining exit 18, one end of described lower pedal 21 is stretched out sewage draining exit 18 and is connected with the lower screw rod 22 be arranged in valve body 1, gear-box 23 is provided with in described valve body 1, described gear-box 23 internal fixtion is provided with the upper swivel nut 24 cooperatively interacted with upper screw rod 20 and the lower swivel nut 25 cooperatively interacted with lower screw rod 22, swivel nut 24 is provided with driven gear 26 on described, described lower swivel nut 25 is provided with lower driven gear 27, described upper driven gear 26 and lower driven gear 27 engage each other, also be provided with in described gear-box 23 and be connected with the motor shaft 30 of speed-down servo motor 29 with driving gear 28 described in the intermeshing driving gear 28 of lower driven gear 27, described speed-down servo motor 29 is fixedly installed on gear-box 23.
When above-mentioned safety check is arranged on and pipeline plays check function, flowing medium is by inlet passage 5, passage 9 is pushed flap 10 open and is then entered outlet passage 6, in the process that fluid passes through, flap 10 is boosted, flap 10 promotes valve rod 11 upward sliding in chute 12, the upper end Compress Spring 13 of valve rod 11, when the flow of flowing medium is constant, spring 13 keeps compressive state, flap 10 is opened, when there is no flowing medium process or flowing medium backflow, spring 13 automatically opens promotion valve rod 11 and moves downward until make flap 10 close, flap 10 and the seal ring 8 be arranged on valve seat 7 offset, the secondary seal ring 14 be arranged on the flap 10 inside seal ring 8 is inserted in secondary seal groove 15 and plays secondary seal effect, good sealing effect.
During above-mentioned safety check work, flowing medium through valve successively through inlet passage 5, passage 9, outlet passage 6, can filter by convection cell at inlet passage 5 filtering net 16, when collecting impurity, start speed-down servo motor 29, the motor shaft 30 of speed-down servo motor 29 drives driving gear 28 to rotate, driving gear 28 drives lower driven gear 27 to rotate, lower driven gear 27 drives upper driven gear 26 to rotate, now, upper driven gear 26 and lower driven gear 27 direction of rotation, upper driven gear 26 drives overhead gage 19 transverse shifting to open V-type impurity collection funnel 17, lower driven gear 27 drives lower pedal 21 transverse shifting (contrary with overhead gage 19 movement direction) to close sewage draining exit 18, now, the impurity filtered down falls in V-type impurity collection funnel 17, when discharging impurity, speed-down servo motor 29 reverses, the motor shaft 30 of speed-down servo motor 29 drives driving gear 28 to rotate backward, driving gear 28 drives lower driven gear 27 to rotate backward, lower driven gear 27 drives upper driven gear 26 to rotate backward, now, upper driven gear 26 and lower driven gear 27 direction of rotation, upper driven gear 26 drives overhead gage 19 transverse shifting to close V-type impurity collection funnel 17, lower driven gear 27 drives lower pedal 21 transverse shifting (contrary with overhead gage 19 movement direction) to open sewage draining exit 18, by outside the impurity exits valve body 1 in V-type impurity collection funnel 17.
Above-mentioned safety check is arranged on pipeline, during normal use, it can play check function well, use convenient, non-return is effective, long service life, carries out secondary seal by secondary seal ring and secondary seal groove between flap and valve seat simultaneously, can prevent the aging fluid caused of seal ring from leaking, good sealing effect, can meet usage requirement well.
Claims (1)
1. safety check, it is characterized in that: comprising: valve body (1) and valve gap (2), be connected with nut (4) by bolt (3) between described valve body (1) and valve gap (2), inlet passage (5) and outlet passage (6) is provided with in described valve body (1), the side of described valve body (1) inner inlet passage (6) is provided with valve seat (7), described valve seat (7) is provided with seal ring (8), the passage (9) be interconnected with inlet passage (5) is provided with in valve seat (7), the flap (10) cooperatively interacted with valve seat (7) is provided with in described valve body (1), the upper end of described flap (10) is connected with valve rod (11), the upper end of described valve rod (11) is slidably arranged in the chute (12) of valve gap (2) inner side, spring (13) is provided with in described chute (12), one end and the valve gap (2) of described spring (13) offset, the other end and the valve rod (11) of described spring (13) offset, the flap (10) of described seal ring (8) inner side is also provided with secondary seal ring (14), described valve seat (7) is provided with the secondary seal groove (15) cooperatively interacted with secondary seal ring (14), on the valve body (1) of passage (9) side, filter screen (16) is provided with in described inlet passage (5), V-type impurity collection funnel (17) is provided with in the valve body (1) of described filter screen (16) lower end, the lower end of described V-type impurity collection funnel (17) is connected with the sewage draining exit (18) being arranged on valve body (1) lower end, overhead gage (19) is provided with in described V-type impurity collection funnel (17), one end of described overhead gage (19) is stretched out V-type impurity collection funnel (17) and is connected with the upper screw rod (20) be arranged in valve body (1), lower pedal (21) is provided with in described sewage draining exit (18), one end of described lower pedal (21) is stretched out sewage draining exit (18) and is connected with the lower screw rod (22) be arranged in valve body (1), gear-box (23) is provided with in described valve body (1), described gear-box (23) internal fixtion is provided with the upper swivel nut (24) cooperatively interacted with upper screw rod (20) and the lower swivel nut (25) cooperatively interacted with lower screw rod (22), swivel nut (24) is provided with upper driven gear (26) on described, described lower swivel nut (25) is provided with lower driven gear (27), described upper driven gear (26) and lower driven gear (27) engage each other, also be provided with in described gear-box (23) and be connected with the motor shaft (30) of speed-down servo motor (29) with lower driven gear (27) intermeshing driving gear (28) described driving gear (28), described speed-down servo motor (29) is fixedly installed on gear-box (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279450.3A CN104879536A (en) | 2015-05-26 | 2015-05-26 | Check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279450.3A CN104879536A (en) | 2015-05-26 | 2015-05-26 | Check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104879536A true CN104879536A (en) | 2015-09-02 |
Family
ID=53947145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510279450.3A Pending CN104879536A (en) | 2015-05-26 | 2015-05-26 | Check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104879536A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388571A (en) * | 2019-08-09 | 2019-10-29 | 永康微唯智能科技有限公司 | A kind of interior conduit device for preventing leakage |
| CN110848425A (en) * | 2019-11-15 | 2020-02-28 | 克罗森控制系统有限公司 | Valve capable of realizing filtering and non-return |
| CN113048244A (en) * | 2021-03-26 | 2021-06-29 | 沪航科技集团有限公司 | Check valve with valve clack having protection structure |
| CN118476634A (en) * | 2024-07-12 | 2024-08-13 | 诸城市鸿顺食品科技有限公司 | Fish ball cooking device |
-
2015
- 2015-05-26 CN CN201510279450.3A patent/CN104879536A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388571A (en) * | 2019-08-09 | 2019-10-29 | 永康微唯智能科技有限公司 | A kind of interior conduit device for preventing leakage |
| CN110848425A (en) * | 2019-11-15 | 2020-02-28 | 克罗森控制系统有限公司 | Valve capable of realizing filtering and non-return |
| CN113048244A (en) * | 2021-03-26 | 2021-06-29 | 沪航科技集团有限公司 | Check valve with valve clack having protection structure |
| CN118476634A (en) * | 2024-07-12 | 2024-08-13 | 诸城市鸿顺食品科技有限公司 | Fish ball cooking device |
| CN118476634B (en) * | 2024-07-12 | 2024-09-24 | 诸城市鸿顺食品科技有限公司 | Fish ball cooking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150902 |