CN201372953Y - Pump and check valve structure thereof - Google Patents
Pump and check valve structure thereof Download PDFInfo
- Publication number
- CN201372953Y CN201372953Y CN200920003030U CN200920003030U CN201372953Y CN 201372953 Y CN201372953 Y CN 201372953Y CN 200920003030 U CN200920003030 U CN 200920003030U CN 200920003030 U CN200920003030 U CN 200920003030U CN 201372953 Y CN201372953 Y CN 201372953Y
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- China
- Prior art keywords
- outlet pipe
- stop part
- check valve
- valve structure
- water intake
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- Expired - Fee Related
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Abstract
The utility model relates to a check valve structure of a pump, which is arranged inside a water outlet pipe of a pump, and comprises a guide seat, a washer which is arranged at a water inlet end of the water outlet pipe, a ferrol which is pushed against the washer, a hammer block, a buffering washer and an elastic component, wherein the hammer block is provided with a rod body part which is arranged inside a through hole of the guide seat and a stopping part which is arranged on the bottom end of the rod body part and corresponds to a water inlet end of the water outlet pipe, and the buffering washer is sleeved on the rod body part of the hammer block, and the outer side of the buffering washer is arranged on the top end of the stopping part of the hammer block, and the elastic component is sleeved at the outer side of the rod body part of the hammer block; when water flow impacts the stopping part to facilitate the compression of the stopping part of the elastic component, the buffering washer can be clamped between the guide seat and the stopping part so as to prevent the over-compression of the elastic component, so that the service life of the check valve can be prolonged.
Description
Technical field
The utility model is a kind of check valve structure of pumping, especially a kind of check valve structure that increases the service life.
Background technique
Generally transporting water when the required part, can a pumping be set on the water pipe of water delivery usually, making the water can be rapidly by this power and be sent to the destination expediently so that power to be provided.
And be provided with a safety check in the present employed pumping, it is used for driving current when the pumping start, so that current are exported this pumping from outlet pipe, and when pumping stops start, this safety check can avoid the water in the outlet pipe to be back in the pumping impeller that impacts pumping inside, and causes the damage of the fuselage interior member that impeller or plastics make.
Present existing safety check can before have been applied for and the novel patent right in Taiwan getting permission to announce M336365 number referring to the claimant, it is to be provided with safety check in the outlet pipe of a pumping, it comprises ring seat on, be arranged at a hammer body and an elastic component in this ring seat, this ring seat is formed with a perforation in central authorities, and around this perforation, be provided with water outlet, and this hammer body has the stop part that is arranged at the rod body part in this perforation and is arranged at this rod body part bottom, and be provided with magnet in the hammer body, and on body, be provided with the magnetic reed switch that can interact relatively, and this elastic component is sheathed on the rod body part outside of this hammer body, and an end is butted on the bottom of this ring seat, and end then is butted on this stop part in addition.
When pumping as yet not during start, the stop part of this hammer body is resisted against the bottom of this outlet pipe, to seal the inlet of this outlet pipe, and during this pumping start, current can promote this hammer body stop part and up the ring seat direction advance, this stop part was understood pressure elasticity assembly and was allowed water pass through this moment, and water is flowed out from the water outlet of last ring seat; When pumping stops start, then the stop part of hammer body can because of the back stretch of elastic component gradually greater than the Driving force of current, and be resisted against the bottom of this outlet pipe once more, avoid water to be back to the internal body of pumping.Therefore can allow water flow out by the pressure elasticity assembly, and have the effect of the water backflow of avoiding in the outlet pipe.
Yet, when the pumping start, allow the great Driving force of water generates and allow the compression of this stop part and this elastic component of packing, and even exceed the compressible scope of this elastic component, make elastic component tired easily, and shorten the life-span of this safety check.
Summary of the invention
Therefore the inventor through constantly attempting and effort, creates the check valve structure of this pumping finally because existing safety check often causes the elastic fatique of elastic component.
The purpose of this utility model is to provide a kind of available buffer elastic component to be hit and the check valve structure that increases the service life.
For reaching above-mentioned purpose, check valve structure of the present utility model is arranged in the outlet pipe of a pumping, and this outlet pipe has the water intake end and a waterexit end of annular flange flange, it is characterized in that this safety check comprises:
One guiding seat, the at least two fixing projections that it comprises a main body and protrudes in this main body, the central authorities of this main body are equipped with a perforation, and these fixedly projection be fixed in the waterexit end of this outlet pipe, and each fixedly bumping surface be concaved with an engagement groove to the one side of the water intake end of this outlet pipe;
One packing ring, it is positioned on the annular flange flange of water intake end of this outlet pipe;
One lining ring, it is pressed against on this packing ring, comprise an annular body that contacts with this packing ring and be convexly set in this annular body up and towards the plural spring sheet of the inwall direction diagonally extending of outlet pipe, this spring sheet is butted on the inwall of this outlet pipe, between the annular flange flange with the water intake end that this packing ring is positioned this lining ring and this outlet pipe;
One hammer body, the stop part that it has the rod body part in the perforation that is arranged at this guiding seat and is arranged at this rod body part bottom and faces the water intake end of this outlet pipe, the outside of this stop part is the water intake end convergent towards this outlet pipe, and has a cambered surface that can contact with this packing ring, and the top of this stop part is concaved with a holding space, and it holds at least one magnet;
One buffer gasket, it is sheathed on the outside of the rod body part of this hammer body, and is arranged at the top of the stop part of this hammer body;
One elastic component, it is sheathed on the rod body part of this hammer body and the outside of this buffer gasket, and the top of this elastic component is sticked in the engagement groove of the fixedly projection of this guiding seat.
The utility model is by the setting of this buffer gasket, can make this stop part of water impact, and when allowing elastic component towards the compression of this guiding seat, this buffer gasket can be located between this guiding seat and this stop part, to avoid too this elastic component of packing of this stop part, and damage this elastic component, thus the life-span of this elastic component can be prolonged, and then increase the serviceability of this safety check.
Description of drawings
Fig. 1 is the side sectional view of the utility model at the outlet pipe closed state;
Fig. 2 is a three-dimensional exploded view of the present utility model;
Fig. 3 is a stereogram of guiding seat of the present utility model;
Fig. 4 is another stereogram of guiding seat of the present utility model;
Fig. 5 is the side sectional view of guiding seat of the present utility model;
Fig. 6 is the side sectional view of lining ring of the present utility model; And
Fig. 7 is the side sectional view of the utility model in the outlet pipe opening state.
Embodiment
Please referring to shown in Figure 1, pumping of the present utility model comprises a body 10, an outlet pipe 11 and a safety check 20 structures, this outlet pipe 11 has a water intake end 12 and a waterexit end 13, this water intake end 12 has an annular flange flange 121, this waterexit end 13 is provided with plural fixing threaded hole 14, and this safety check 20 is arranged in the outlet pipe 11 of a pumping, comprises a guiding seat 21, a packing ring 22, a lining ring 23, a hammer body 24, a buffer gasket 25 and an elastic component 26.
Please add referring to Fig. 2 to shown in Figure 5, this guiding seat 21 comprises a main body 211, two fixedly projection 213 and two auxiliary lugs 214, the central authorities of this main body 211 are equipped with a perforation 212, and these fixedly projection 213 subtends be convexly set in this main body 211, and each fixedly is formed with a fixed hole 215 respectively on the projection 213, this fixed hole 215 penetrates in the fixing threaded hole 14 of the waterexit end 13 that is screwed into outlet pipe 11 again for a screw rod 30, so that this guiding seat 21 is fixed on this outlet pipe 11, and each fixedly projection 213 be concaved with an engagement groove 216 in one side towards the water intake end 12 of this outlet pipe 11, and these auxiliary lug 214 subtends are convexly set in this main body 211, and be arranged at intervals at these fixedly between the projection 213, so that these fixedly projection 213 and auxiliary lug 214 are radial this main body 211 outsides that are arranged at of cross, and each auxiliary lug 214 is concaved with an auxiliary engagement groove 217 in the one side towards the water intake end 12 of this outlet pipe 11, to make the auxiliary engagement groove 217 of these engagement grooves 216 and these identical radius be arranged with respect to the central point of this perforation 212, and these fixedly the stream that can supply water of the interval between projection and the auxiliary lug 214 flow through, and flow out the waterexit end 13 of this outlet pipe 11;
The radial section of this packing ring 22 is L shaped, on the annular flange flange 121 with the water intake end 12 that is positioned over this outlet pipe 11;
Please add referring to shown in Figure 6, this lining ring 23 is pressed against on this packing ring 22, it comprises an annular body 231 that contacts with this packing ring 22 and is convexly set in this annular body 231 up and towards the plural spring sheet 232 of the inwall direction diagonally extending of outlet pipe 11, these spring sheets 232 are butted on the inwall of this outlet pipe 11, between the annular flange flange 121 with the water intake end 12 that this packing ring 22 is positioned this lining ring 23 and this outlet pipe 11, and each spring sheet 232 departs from vertical axis and is inclination, and has an angle of inclination and be about 5 °;
This hammer body 24 has the rod body part 241 in the perforation 212 that is arranged at this guiding seat 21 and is arranged at these rod body part 241 bottoms and in the face of a stop part 242 of the water intake end 12 of this outlet pipe 11, the outside of this stop part 242 is water intake end 12 convergents towards this outlet pipe 11, and the middle section position of this stop part 242 is an outstanding protuberance 243 with level and smooth cambered surface to the bottom, this level and smooth cambered surface contacts with this packing ring 22 when this outlet pipe 11 of sealing, and the external diameter of the middle section position of this stop part 242 is greater than the aperture of the water intake end 12 of this outlet pipe 11, the top of this stop part 242 is concaved with a holding space 244, it holds the magnet 245 of second ring, and encapsulating in this holding space 244, coat to form a glue-line 246 and fix these magnet 245, and the end face of this glue-line 246 is not higher than or the top of parallel this stop part 242;
This buffer gasket 25 is sheathed on the outside of the rod body part 241 of this hammer body 24, and is arranged at the top of the glue-line 246 of this hammer body 24;
This elastic component 26 is a spring, it is sheathed on the rod body part 241 of this hammer body 24 and the outside of this buffer gasket 25, and the top of this elastic component 26 is sticked in the engagement groove 216 of fixedly projection 213 of this guiding seat 21 and the auxiliary engagement groove 217 of this auxiliary lug 214, and its bottom fastens on the glue-line 246 of this hammer body 24, and is surrounded on the outside of this buffer gasket 25.
" not shown in the figures, so that this hammer body 24 is when upper and lower displacement, this magnet 245 can produce induction control to this magnetic reed switch and body 10 Shang Yu of this pumping are provided with magnetic reed switch to magnet 245 places that should hammer body 24.
Please referring to Fig. 1 and shown in Figure 7, the utility model can be by the setting of this buffer gasket 25, can make the current brute force impact the stop part 242 of this hammer body 24, and with this elastic component 26 during towards guiding seat 21 compression, this buffer gasket 25 can be clipped between this guiding seat 21 and this stop part 242, avoiding the excessive compression of elastic component 26, and cause elastic fatique, so the utility model can prolong the working life of this safety check 20.
Claims (10)
1. check valve structure, it is arranged in the outlet pipe of a pumping, and this outlet pipe has the water intake end and a waterexit end of annular flange flange, it is characterized in that this safety check comprises:
One guiding seat, the at least two fixing projections that it comprises a main body and protrudes in this main body, the central authorities of this main body are equipped with a perforation, and these fixedly projection be fixed in the waterexit end of this outlet pipe, and each fixedly bumping surface be concaved with an engagement groove to the one side of the water intake end of this outlet pipe;
One packing ring, it is positioned on the annular flange flange of water intake end of this outlet pipe;
One lining ring, it is pressed against on this packing ring, comprise an annular body that contacts with this packing ring and be convexly set in this annular body up and towards the plural spring sheet of the inwall direction diagonally extending of outlet pipe, this spring sheet is butted on the inwall of this outlet pipe, between the annular flange flange with the water intake end that this packing ring is positioned this lining ring and this outlet pipe;
One hammer body, the stop part that it has the rod body part in the perforation that is arranged at this guiding seat and is arranged at this rod body part bottom and faces the water intake end of this outlet pipe, the outside of this stop part is the water intake end convergent towards this outlet pipe, and has a cambered surface that can contact with this packing ring, and the top of this stop part is concaved with a holding space, and it holds at least one magnet;
One buffer gasket, it is sheathed on the outside of the rod body part of this hammer body, and is arranged at the top of the stop part of this hammer body;
One elastic component, it is sheathed on the rod body part of this hammer body and the outside of this buffer gasket, and the top of this elastic component is sticked in the engagement groove of the fixedly projection of this guiding seat.
2. check valve structure as claimed in claim 1, it is characterized in that, this guiding seat comprises two fixing projections, and still comprise two auxiliary lugs, these fixedly the projection subtend be convexly set in this main body, and each fixedly projection be formed with a fixed hole, and this auxiliary lug subtend is convexly set in this main body, and be arranged at intervals at these fixedly between the projection, so that these fixedly projection and auxiliary lug are radial this main body outside that is arranged at of cross, and each auxiliary lug is concaved with an auxiliary engagement groove in the one side towards the water intake end of this outlet pipe, with respect to the central point of this perforation identical radius is arranged to make the auxiliary engagement groove of these engagement grooves and these.
3. check valve structure as claimed in claim 1, it is characterized in that, the middle section position of this stop part is an outstanding protuberance with level and smooth cambered surface to the bottom, and the external diameter of the middle section position of this stop part is greater than the aperture of the water intake end of this outlet pipe, and the bottom of this elastic component fastens on the stop part of this guiding seat, and is surrounded on the outside of this buffer gasket.
4. check valve structure as claimed in claim 2, it is characterized in that, the middle section position of this stop part is an outstanding protuberance with level and smooth cambered surface to the bottom, and the external diameter of the middle section position of this stop part is greater than the aperture of the water intake end of this outlet pipe, and the bottom of this elastic component fastens on the stop part of this guiding seat, and is surrounded on the outside of this buffer gasket.
5. as each described check valve structure in the claim 1 to 4, it is characterized in that, still be provided with the glue-line that coats this magnet in the holding space of this stop part, and the bottom of this elastic component fastens on this glue-line.
6. check valve structure as claimed in claim 5 is characterized in that, the end face of this glue-line is parallel to the top of this stop part.
7. as each described check valve structure in the claim 1 to 4, it is characterized in that each spring sheet of this lining ring departs from vertical axis and is inclination.
8. check valve structure as claimed in claim 5 is characterized in that, each spring sheet of this lining ring departs from vertical axis and is inclination.
9. check valve structure as claimed in claim 6 is characterized in that, each spring sheet of this lining ring departs from vertical axis and is inclination.
10. pumping, it comprises as each described check valve structure in the claim 1 to 9, and corresponding to the magnetic reed switch of the magnet of this hammer body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920003030U CN201372953Y (en) | 2009-03-11 | 2009-03-11 | Pump and check valve structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920003030U CN201372953Y (en) | 2009-03-11 | 2009-03-11 | Pump and check valve structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201372953Y true CN201372953Y (en) | 2009-12-30 |
Family
ID=41499037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920003030U Expired - Fee Related CN201372953Y (en) | 2009-03-11 | 2009-03-11 | Pump and check valve structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201372953Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353161A (en) * | 2011-11-11 | 2012-02-15 | 王存 | Connectionless intelligent control booster water heater |
| CN107013715A (en) * | 2015-10-15 | 2017-08-04 | 格兰富控股联合股份公司 | Check-valves |
-
2009
- 2009-03-11 CN CN200920003030U patent/CN201372953Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353161A (en) * | 2011-11-11 | 2012-02-15 | 王存 | Connectionless intelligent control booster water heater |
| CN107013715A (en) * | 2015-10-15 | 2017-08-04 | 格兰富控股联合股份公司 | Check-valves |
| CN107013715B (en) * | 2015-10-15 | 2020-03-17 | 格兰富控股联合股份公司 | Check valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20140311 |