CN100453981C - Impeller flow meter with axle sleeve - Google Patents
Impeller flow meter with axle sleeve Download PDFInfo
- Publication number
- CN100453981C CN100453981C CNB2006100416629A CN200610041662A CN100453981C CN 100453981 C CN100453981 C CN 100453981C CN B2006100416629 A CNB2006100416629 A CN B2006100416629A CN 200610041662 A CN200610041662 A CN 200610041662A CN 100453981 C CN100453981 C CN 100453981C
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- Prior art keywords
- impeller
- sleeve
- base table
- axle sleeve
- shaft
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Abstract
The invention relates to impeller flow meter with axial sleeve. The impeller axial sleeve is sleeved at the middle part of the impeller axial which are sliding match to make the former rotate around the latter. The two sides of the impeller axial is set two position limiting axial sleeves to confine impeller axial sleeve which can rotating round the impeller axial and do axial direction movement. Axial end location notch is set at the bonding part of the base table seat and cover, and fully dispersed one the inner wall of the base table seat. The invention can effectively increase impeller flow meter stability, durability, measuring precision, has simple technology, and low cost.
Description
(1) technical field under:
The present invention relates to building heat supplying water supply field, is a kind of impeller flow meter that axle sleeve is arranged.
(2) background technology
The mechanical type calorimeter of prior art is supplied water by the impeller flow meter of measuring hot water flow and measurement and two thermometers of return water temperature are formed, when current pass through impeller flow meter, drive the impeller rotation in the watch core, the rotating cycle of impeller has just characterized the water yield of being passed through, and sends by the sensing chip on the impeller and the signal transmitter on the impeller cover revolution with impeller.
Hot water owing to the indoor heating in winter, its water quality is difficult to guarantee clean, and the situation of this water quality exists impurity adhesion and choked flow scale in the water for the impeller type flowmeter of prior art, cause the flowmeter measuring accuracy seriously to descend, operation life shortens, poor reliability.In order to overcome the defective of this prior art impeller type flowmeter, application number is 200510096312.1 to disclose a kind of " impeller type flowmeter ", in the method, impeller shaft is horizontally disposed along water (flow) direction, introduce the spin friction that miniature bearing reduces impeller and impeller shaft surface, and cover at base table seat and base table and on the both sides inside pipe wall of joint portion pilot hole is set and comes impeller shaft is located.This impeller type flowmeter can overcome impeller type flowmeter and be subject to the defective that foreign material stop up in the water, and the reliability of impeller type flowmeter is improved, and measuring accuracy can guarantee.But, because the impeller of this impeller type flowmeter, be in operation its rotating speed up to 3000 rev/mins, in addition, be fixed on the miniature bearing on the impeller, be immersed in corrosion-vulnerable in the high-temperature water of heating in the heating phase, and be exposed in the air at non-heating period, easily accelerate to get rusty, even if adopt wear-resisting now Ceramic Balls stainless steel bearing, its operation life also is difficult to guarantee to surpass four winter heating phases, moreover the price of miniature bearing is also relatively more expensive.This shows, should avoid impeller type flowmeter be subjected to the obstruction of foreign material in the water, again can long-life reliably working, and cost is also economical, this energy-conserving and environment-protective measure of heat metering that Here it is is to the technical requirement and the expectation of impeller type flowmeter.
(3) summary of the invention
For overcoming prior art is that the impeller type flowmeter of built-in bearing exists flowmeter permanance defect of insufficient, and the present invention proposes a kind of impeller flow meter that axle sleeve is arranged.
The present invention includes base table seat, base table lid, blade, impeller, impeller shaft, impeller sleeve, spacing axle sleeve and axle head locating slot, wherein impeller and blade are global formation.Circular impeller sleeve is sleeved on the impeller shaft middle part, is slidingly matched between the two, and impeller sleeve can be rotated around impeller shaft.The internal diameter of impeller closely cooperates between the two with the external diameter of impeller sleeve.In order to limit the position of impeller sleeve, on impeller shaft, also be set with two spacing axle sleeves, this spacing axle sleeve lays respectively at the both sides of impeller sleeve, and is slidingly matched between the impeller shaft, also can rotate and axially-movable around impeller shaft.Impeller shaft is placed in the locating slot on the inwall of the joint portion that is positioned at base table seat and base table lid.
Impeller shaft, impeller sleeve and spacing axle sleeve all adopt the high abrasion stupalith to make.
The application of impeller shaft, impeller sleeve, location axle sleeve makes stability, permanance and the measuring accuracy of impeller flow meter obtain large increase among the present invention, establish the practicality that foreign material stop up in the anti-sealing of impeller type flowmeter, and had the advantage of cost economic; The bit selecting of axle head pilot hole makes the bearing accuracy of impeller type flowmeter improve again, has eliminated the positioning difficulty of impeller shaft assembling in the impeller type flowmeter.
(4) description of drawings:
Accompanying drawing 1 is the structural representation that the impeller flow meter of axle sleeve is arranged.
Accompanying drawing 2 is structural representation A-A sections that the impeller flow meter of axle sleeve is arranged.Wherein:
1. base table seat 2. base tables cover 3. blades, 4. sender sensing chips, 5. impellers
6. impeller shaft 7. impeller sleeves 8. spacing axle sleeve 9. locating slots
(5) embodiment:
Now in conjunction with the accompanying drawings 1 and 2 couples of the present invention of accompanying drawing be further described:
Embodiment one
Present embodiment comprises base table seat 1, base table lid 2, blade 3, sender sensing chip 4, impeller 5, impeller shaft 6, impeller sleeve 7, spacing axle sleeve 8 and axle head locating slot 9, and wherein all to utilize silicon nitride be that the Si3N4 stupalith is made for impeller shaft 6, impeller sleeve 7 and spacing axle sleeve 8.
In the present embodiment, impeller 5 and blade 3 integrated poured moulding.Have the internal diameter of the circular impeller sleeve 7 of cavity to be slightly larger than impeller shaft 6, length is 1/2nd of impeller shaft 6, and is sleeved on the middle part of impeller shaft 6, is slidingly matched between the two, and impeller sleeve 7 can be rotated around impeller shaft 6.The internal diameter of impeller 5 closely cooperates between the two with the external diameter of impeller sleeve 7.In order to limit the position of impeller sleeve 7 on impeller shaft 6, on impeller shaft 6, also be set with two spacing axle sleeves 8, this spacing axle sleeve 8 lays respectively at the both sides of impeller sleeve 7, its internal diameter also is slightly larger than the diameter of impeller shaft 6, also for being slidingly matched, can rotate and axially-movable between the two around impeller shaft.
Base table seat 1 is connected with the water pipe at flowmeter two ends, and matching with base table lid 2 has formed the housing of impeller type flowmeter.On the diametric both sides of joint portion, the water pipe tube wall of base table seat 1 and base table lid 2, locating slot 9 is arranged respectively.
During assembling, a spacing axle sleeve 8, impeller sleeve 7, another spacing axle sleeve 8 are sleeved on the impeller shaft 6 successively, two terminations with impeller shaft 6 are bonded in the locating slot 9 then, again sender sensing chip 4 is bonded on the impeller 5, at last base table seat 1 and base table lid 2 modes by the ultrasonic heat fusion welding is fixed together.
Embodiment two
Present embodiment comprises base table seat 1, base table lid 2, blade 3, sender sensing chip 4, impeller 5, impeller shaft 6, impeller sleeve 7, spacing axle sleeve 8 and axle head locating slot 9, and wherein all to utilize zirconia be that the ZrO2 stupalith is made for impeller shaft 6, impeller sleeve 7 and spacing axle sleeve 8.
In the present embodiment, impeller 5 and blade 3 integrated poured moulding.Have the internal diameter of the circular impeller sleeve 7 of cavity to be slightly larger than impeller shaft 6, length is 1/2nd of impeller shaft 6, and is sleeved on the middle part of impeller shaft 6, is slidingly matched between the two, and impeller sleeve 7 can be rotated around impeller shaft 6.The internal diameter of impeller 5 closely cooperates between the two with the external diameter of impeller sleeve 7.In order to limit the position of impeller sleeve 7 on impeller shaft 6, on impeller shaft 6, also be set with two spacing axle sleeves 8, this spacing axle sleeve 8 lays respectively at the both sides of impeller sleeve 7, its internal diameter also is slightly larger than the diameter of impeller shaft 6, also for being slidingly matched, can rotate and axially-movable between the two around impeller shaft.
Base table seat 1 is connected with the water pipe at flowmeter two ends, and matching with base table lid 2 has formed the housing of impeller type flowmeter.On the diametric both sides of joint portion, the water pipe tube wall of base table seat 1 and base table lid 2, locating slot 9 is arranged respectively.
During assembling, a spacing axle sleeve 8, impeller sleeve 7, another spacing axle sleeve 8 are sleeved on the impeller shaft 6 successively, two terminations with impeller shaft 6 are bonded in the axle head locating slot 9 then, again sender sensing chip 4 is bonded on the impeller 5, at last base table seat 1 and base table lid 2 modes by gummed is fixed together.
Embodiment three
Present embodiment comprises base table seat 1, base table lid 2, blade 3, sender sensing chip 4, impeller 5, impeller shaft 6, impeller sleeve 7, spacing axle sleeve 8 and axle head locating slot 9, and wherein all to utilize silit be that the Sic stupalith is made for impeller shaft 6, impeller sleeve 7 and spacing axle sleeve 8.
In the present embodiment, impeller 5 and blade 3 integrated poured moulding.Have the internal diameter of the circular impeller sleeve 7 of cavity to be slightly larger than impeller shaft 6, length is 1/2nd of impeller shaft 6, and is sleeved on the middle part of impeller shaft 6, is slidingly matched between the two, and impeller sleeve 7 can be rotated around impeller shaft 6.The internal diameter of impeller 5 closely cooperates between the two with the external diameter of impeller sleeve 7.In order to limit the position of impeller sleeve 7 on impeller shaft 6, on impeller shaft 6, also be set with two spacing axle sleeves 8, this spacing axle sleeve 8 lays respectively at the both sides of impeller sleeve 7, its internal diameter also is slightly larger than the diameter of impeller shaft 6, also for being slidingly matched, can rotate and axially-movable between the two around impeller shaft.
Base table seat 1 is connected with the water pipe at flowmeter two ends, and matching with base table lid 2 has formed the housing of impeller type flowmeter.On the diametric both sides of joint portion, the water pipe tube wall of base table seat 1 and base table lid 2, locating slot 9 is arranged respectively.
During assembling, a spacing axle sleeve 8, impeller sleeve 7, another spacing axle sleeve 8 are sleeved on the impeller shaft 6 successively, two terminations with impeller shaft 6 are bonded in the axle head locating slot 9 then, again sender sensing chip 4 is bonded on the impeller 5, at last base table seat 1 and base table lid 2 modes by the ultrasonic heat fusion welding is fixed together.
Embodiment four
Present embodiment comprises base table seat 1, base table lid 2, blade 3, sender sensing chip 4, impeller 5, impeller shaft 6, impeller sleeve 7, spacing axle sleeve 8 and axle head locating slot 9, and wherein all to utilize aluminium oxide be Al for impeller shaft 6, impeller sleeve 7 and spacing axle sleeve 8
2O
3Stupalith is made.
In the present embodiment, impeller 5 and blade 3 integrated poured moulding.Have the internal diameter of the circular impeller sleeve 7 of cavity to be slightly larger than impeller shaft 6, length is 1/2nd of impeller shaft 6, and is sleeved on the middle part of impeller shaft 6, is slidingly matched between the two, and impeller sleeve 7 can be rotated around impeller shaft 6.The internal diameter of impeller 5 closely cooperates between the two with the external diameter of impeller sleeve 7.In order to limit the position of impeller sleeve 7 on impeller shaft 6, on impeller shaft 6, also be set with two spacing axle sleeves 8, this spacing axle sleeve 8 lays respectively at the both sides of impeller sleeve 7, its internal diameter also is slightly larger than the diameter of impeller shaft 6, also for being slidingly matched, can rotate and axially-movable between the two around impeller shaft.
Base table seat 1 is connected with the water pipe at flowmeter two ends, and matching with base table lid 2 has formed the housing of impeller type flowmeter.On the diametric both sides of joint portion, the water pipe tube wall of base table seat 1 and base table lid 2, locating slot 9 is arranged respectively.
During assembling, a spacing axle sleeve 8, impeller sleeve 7, another spacing axle sleeve 8 are sleeved on the impeller shaft 6 successively, two terminations with impeller shaft 6 are bonded in the axle head locating slot 9 then, again sender sensing chip 4 is bonded on the impeller 5, at last base table seat 1 and base table lid 2 connected modes by nut and screw is fixed together.
Claims (3)
1. impeller flow meter that axle sleeve is arranged, comprise base table seat (1), base table lid (2), blade (3), impeller (5), impeller shaft (6), impeller sleeve (7), spacing axle sleeve (8) and axle head locating slot (9), it is characterized in that on impeller shaft (6), being set with impeller sleeve (7) and a pair of spacing axle sleeve (8), spacing axle sleeve (8) is set in the both sides of impeller shaft, and impeller sleeve and spacing axle sleeve all are slidingly matched with impeller shaft, and axle head locating slot (9) is positioned on the inwall of joint portion of base table seat (1) and base table lid (2).
2. the impeller flow meter that axle sleeve is arranged according to claim 1 is characterized in that impeller (5) and the integrated poured moulding of blade (3).
3. the impeller flow meter that axle sleeve is arranged according to claim 1 is characterized in that impeller shaft (6), impeller sleeve (7) and spacing axle sleeve (8) all make with the high abrasion stupalith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100416629A CN100453981C (en) | 2006-01-13 | 2006-01-13 | Impeller flow meter with axle sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100416629A CN100453981C (en) | 2006-01-13 | 2006-01-13 | Impeller flow meter with axle sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101000257A CN101000257A (en) | 2007-07-18 |
| CN100453981C true CN100453981C (en) | 2009-01-21 |
Family
ID=38692316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100416629A Expired - Fee Related CN100453981C (en) | 2006-01-13 | 2006-01-13 | Impeller flow meter with axle sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100453981C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0907012D0 (en) * | 2009-04-23 | 2009-06-03 | Elster Metering Ltd | Fluid flow meter |
| CN112526160B (en) * | 2020-12-08 | 2022-09-20 | 中国人民解放军海军工程大学 | Micro-flow velocity measuring device, thermal hydraulic experiment table with same and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2094721U (en) * | 1991-06-02 | 1992-01-29 | 江西省鹰潭市水表厂 | Impeller type flowmeter |
| JPH09196715A (en) * | 1996-01-12 | 1997-07-31 | Sony Corp | Flow rate sensor |
| CN2563553Y (en) * | 2002-08-28 | 2003-07-30 | 长春热华科技开发有限公司 | Civil heat flowmeter sensor |
| CN2643066Y (en) * | 2003-07-19 | 2004-09-22 | 鸿富锦精密工业（深圳）有限公司 | Ceramic bearing |
-
2006
- 2006-01-13 CN CNB2006100416629A patent/CN100453981C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2094721U (en) * | 1991-06-02 | 1992-01-29 | 江西省鹰潭市水表厂 | Impeller type flowmeter |
| JPH09196715A (en) * | 1996-01-12 | 1997-07-31 | Sony Corp | Flow rate sensor |
| CN2563553Y (en) * | 2002-08-28 | 2003-07-30 | 长春热华科技开发有限公司 | Civil heat flowmeter sensor |
| CN2643066Y (en) * | 2003-07-19 | 2004-09-22 | 鸿富锦精密工业（深圳）有限公司 | Ceramic bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101000257A (en) | 2007-07-18 |
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Granted publication date: 20090121 Termination date: 20120113 |