CN104075000A - Air exhausting device for check valve - Google Patents
Air exhausting device for check valve Download PDFInfo
- Publication number
- CN104075000A CN104075000A CN201410324918.1A CN201410324918A CN104075000A CN 104075000 A CN104075000 A CN 104075000A CN 201410324918 A CN201410324918 A CN 201410324918A CN 104075000 A CN104075000 A CN 104075000A
- Authority
- CN
- China
- Prior art keywords
- valve body
- elbow
- lower valve
- safety check
- inner passage
- 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
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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/004—Priming of not self-priming pumps
- F04D9/006—Priming of not self-priming pumps by venting gas or using gas valves
-
- 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
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
Abstract
The invention discloses an air exhausting device for a check valve. The air exhausting device for the check valve comprises a bend, the bend is arranged on a lower valve body of the check valve, and the interior of the bend is communicated with the interior of the lower valve body; a valve flap is arranged in a channel in the lower valve body and the channel in the lower valve body can be closed by the valve flap; the connecting portion of the bend and the lower valve body is located below the valve flap; a cap is arranged on an outlet of the bend; a through hole is formed in the cap; a spherical rolling piece is arranged in a channel in the bend; the through hole in the cap can be blocked through the spherical rolling piece. According to the air exhausting device for the check valve, when a water pump is placed in water, air remaining in a volute of the water pump can be conveniently exhausted in time before the water pump is started, so that the air resistance is reduced, and work efficiency of the water pump can be greatly improved.
Description
Technical field
The present invention relates to a kind of parts of safety check, refer in particular to a kind of safety check venting gas appliance being applied on water pump for discharging surplus air in the spiral case vapour lock when reducing pump working.
Background technique
Water pump in use, in the time that water pump is put into water, has portion of air and has little time to discharge in volute, after pump startup, the surplus air in spiral case can produce vapour lock, reduces the utilization efficiency of water pump.We have researched and developed a kind of safety check venting gas appliance being applied on water pump for discharging surplus air in the spiral case vapour lock when reducing pump working for this reason.
Summary of the invention
The present invention seeks to provide in order to overcome the deficiencies in the prior art a kind of safety check venting gas appliance being applied on water pump for discharging residual gas in the spiral case vapour lock when reducing pump working.
For achieving the above object, the technical solution used in the present invention is: a kind of safety check venting gas appliance, comprises elbow; Described elbow is arranged on the lower valve body of safety check, the internal communication of the inside of described elbow and lower valve body; In the inner passage of described lower valve body, be provided with clack valve, described clack valve can be by the inner passage sealing of lower valve body; The joint of described elbow and lower valve body is positioned at the below of clack valve; The outlet port of described elbow is provided with block; On described block, be provided with through hole; In the inner passage of described elbow, be provided with spherical rolling part; Described spherical rolling part can stop up the through hole on block.
Preferably, described spherical rolling part is arranged on the inwall of inner passage of elbow by a chain.
Preferably, the inside top of described block is provided with ball recess; Described through hole is arranged on the lowest part of ball recess.
Preferably, the angle of the vertical projection of the center line of the step-like through hole of the center line of the inner passage of described elbow and lower valve body is α, and 0 < α≤90 °, the center line of the inner passage of described elbow is β with the angle of the horizontal vertical projection perpendicular to this center line, and 0 < β≤180 °.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Safety check of the present invention remains in the air of spiral case and discharges in time in the time that water pump is opened can easily water pump be put into water with venting gas appliance time, thereby reaches the effect that reduces vapour lock, can greatly improve the working efficiency of water pump.
Brief description of the drawings
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Sectional view when accompanying drawing 1 is applied on safety check for safety check of the present invention with venting gas appliance;
Plan view when accompanying drawing 2 is applied on safety check for safety check of the present invention with venting gas appliance;
Left view when accompanying drawing 3 is applied on safety check for safety check of the present invention with venting gas appliance;
Wherein: 1, block; 2, spherical rolling part; 3, elbow; 4, lower valve body; 5, clack valve; 6, upper valve body.
embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing 1,2,3 is a kind of safety check venting gas appliance of the present invention, comprises elbow 3; Described elbow 3 is arranged on the lower valve body 4 of safety check, the internal communication of the inside of described elbow 3 and lower valve body 4; In the inner passage of described lower valve body 4, be provided with clack valve 5, described clack valve 5 can be by the inner passage sealing of lower valve body 4; The joint of described elbow 3 and lower valve body 4 is positioned at the below of clack valve 5; The outlet port of described elbow 3 is provided with block 1; On described block 1, be provided with through hole (not marking); In the inner passage of described elbow 3, be provided with spherical rolling part 2; Described spherical rolling part 2 can stop up the through hole on block 1; Described spherical rolling part 2 is arranged on by a chain (not shown) on the inwall of inner passage of elbow 3, unsceptered in the time not being stressed to prevent spherical rolling part 2, be that spherical rolling part 2 comes off from the inner passage of elbow 3, not in the inner passage of elbow 3; The inside top of described block 1 is provided with ball recess (not marking); Described through hole is arranged on the lowest part of ball recess; The angle of the vertical projection of the center line of the step-like through hole of the center line of the inner passage of described elbow 3 and lower valve body 4 is α, and 0 < α≤90 °, as shown in Figure 2; The center line of the inner passage of described elbow 3 is β with the angle of the horizontal vertical projection perpendicular to this center line, and 0 < β≤180 °, and as shown in Figure 3, elbow so arranges the discharge that can be conducive to the surplus air in spiral case.
Safety check that venting gas appliance is applied in for safety check of the present invention, comprises block 1, spherical rolling part 2, elbow 3, lower valve body 4, clack valve 5, upper valve body 6; Described upper valve body 6 is arranged on the top of lower valve body 4; Described upper valve body 6 is also communicated with and forms a fluid passage (not marking) with the inner hollow of lower valve body 4; Described clack valve 5 is arranged in fluid passage, fluid passage can be sealed; Described elbow 3 is arranged on lower valve body 4, the internal communication of the inside of described elbow 3 and lower valve body 4; The joint of described elbow 3 and lower valve body 4 is positioned at the below of clack valve 5; The outlet port of described elbow 3 is provided with block 1; On described block 1, be provided with through hole (not marking); In the inner passage of described elbow 3, be provided with spherical rolling part 2; Described spherical rolling part 2 can stop up the through hole on block 1.In the present embodiment, the inside of described lower valve body 4 is provided with step-like through hole; Described clack valve 5 hinges, at the step place of step-like through hole, can seal step-like through hole; Described upper valve body 6 screw threads are fixed on the larger diameter place of the step-like through hole of lower valve body 4.
When use, lower valve body is arranged on pump outlet place, and water pump is communicated with lower valve body; Again water pump is put into water, after starting mode of pump, in water pump volute, remaining air is emptying from elbow along current, after air is emptying, after drawing water, hydraulic pressure is by spherical rolling part jack-up to block place, and the arc shaped surface of the ball recess of block and spherical rolling part sphere-contact, seal, water can not spill, and water is washed clack valve open and flowed out from upper valve body; When water pump quits work, clack valve is closed, and spherical rolling part falls after rise, when pump is opened again, and the action that spherical rolling part repeats last time.
Safety check of the present invention remains in the air of spiral case and discharges in time in the time that water pump is opened can easily water pump be put into water with venting gas appliance time, thereby reaches the effect that reduces vapour lock, can greatly improve the working efficiency of water pump.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (4)
1. a safety check venting gas appliance, is characterized in that: comprise elbow; Described elbow is arranged on the lower valve body of safety check, the internal communication of the inside of described elbow and lower valve body; In the inner passage of described lower valve body, be provided with clack valve, described clack valve can be by the inner passage sealing of lower valve body; The joint of described elbow and lower valve body is positioned at the below of clack valve; The outlet port of described elbow is provided with block; On described block, be provided with through hole; In the inner passage of described elbow, be provided with spherical rolling part; Described spherical rolling part can stop up the through hole on block.
2. safety check venting gas appliance according to claim 1, is characterized in that: described spherical rolling part is arranged on the inwall of inner passage of elbow by a chain.
3. safety check venting gas appliance according to claim 1, is characterized in that: the inside top of described block is provided with ball recess; Described through hole is arranged on the lowest part of ball recess.
4. safety check venting gas appliance according to claim 1, it is characterized in that: the angle of the vertical projection of the center line of the step-like through hole of the center line of the inner passage of described elbow and lower valve body is α, and 0 < α≤90 °, the center line of the inner passage of described elbow is β with the angle of the horizontal vertical projection perpendicular to this center line, and 0 < β≤180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410324918.1A CN104075000A (en) | 2014-07-09 | 2014-07-09 | Air exhausting device for check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410324918.1A CN104075000A (en) | 2014-07-09 | 2014-07-09 | Air exhausting device for check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104075000A true CN104075000A (en) | 2014-10-01 |
Family
ID=51596481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410324918.1A Pending CN104075000A (en) | 2014-07-09 | 2014-07-09 | Air exhausting device for check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104075000A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267043A (en) * | 2018-03-06 | 2018-07-10 | 中大空调集团有限公司 | A kind of central air-conditioning pipe for shell-and-tube exchanger journey water outlet side jettison gear |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5263459A (en) * | 1992-11-27 | 1993-11-23 | Walbro Corporation | Fuel delivery with self-priming fuel pump |
| CN1272913A (en) * | 1998-06-17 | 2000-11-08 | 尤卡有限责任公司 | Valve combination for vibration pumps |
| CN2410489Y (en) * | 2000-02-25 | 2000-12-13 | 许文增 | Air ball valve |
| JP2003113952A (en) * | 2001-07-19 | 2003-04-18 | Kitz Corp | Air bleeding valve for pump unit and pump unit device |
| CN202629166U (en) * | 2012-05-17 | 2012-12-26 | 太仓奥科机械设备有限公司 | Quick exhaust valve |
| CN204062022U (en) * | 2014-07-09 | 2014-12-31 | 苏州优德通力电气有限公司 | A kind of safety check venting gas appliance |
-
2014
- 2014-07-09 CN CN201410324918.1A patent/CN104075000A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5263459A (en) * | 1992-11-27 | 1993-11-23 | Walbro Corporation | Fuel delivery with self-priming fuel pump |
| CN1272913A (en) * | 1998-06-17 | 2000-11-08 | 尤卡有限责任公司 | Valve combination for vibration pumps |
| CN2410489Y (en) * | 2000-02-25 | 2000-12-13 | 许文增 | Air ball valve |
| JP2003113952A (en) * | 2001-07-19 | 2003-04-18 | Kitz Corp | Air bleeding valve for pump unit and pump unit device |
| CN202629166U (en) * | 2012-05-17 | 2012-12-26 | 太仓奥科机械设备有限公司 | Quick exhaust valve |
| CN204062022U (en) * | 2014-07-09 | 2014-12-31 | 苏州优德通力电气有限公司 | A kind of safety check venting gas appliance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267043A (en) * | 2018-03-06 | 2018-07-10 | 中大空调集团有限公司 | A kind of central air-conditioning pipe for shell-and-tube exchanger journey water outlet side jettison gear |
| CN108267043B (en) * | 2018-03-06 | 2023-09-19 | 中大空调集团有限公司 | Tube side water outlet side water discharging device of shell-and-tube heat exchanger of central air conditioner |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141001 |