CN102706400A - Installing sleeve device - Google Patents
Installing sleeve device Download PDFInfo
- Publication number
- CN102706400A CN102706400A CN2012102335744A CN201210233574A CN102706400A CN 102706400 A CN102706400 A CN 102706400A CN 2012102335744 A CN2012102335744 A CN 2012102335744A CN 201210233574 A CN201210233574 A CN 201210233574A CN 102706400 A CN102706400 A CN 102706400A
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- Prior art keywords
- pressure pipe
- washer
- threaded
- hole
- installation sleeve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The invention relates to the technical field of ultrasound flowmeters, and in particular relates to an installing sleeve device, which comprises a sealing washer, a pressure pipe, an installation sleeve and a tight nut, and is characterized in that at least three threaded through holes are arranged in the tight surface of the tight nut by using the axes as a center circumference; and the centre line of each threaded through hole is parallel to the centre line of the tight nut, each threaded through hole corresponds to the end surface of the pressure pipe, each threaded through hole is in threaded connection with a stopper screw, a plane vertical to the axis of the stopper screw is arranged on the front end of the stopper screw, and the stopper screw is in contact with the end surface of the pressure pipe through the plane. Therefore, an axial force is applied to the pressure pipe from all directions of the circumference, instable factors caused by a shearing force to the pressure pipe are avoided, the pressure pipe directly applies a force to an ultrasonic transducer and the sealing washer, the sealing property of the sealing washer can be greatly enhanced, and water leakage can be avoided; and the sealing washer adopts an asbestos-free washer, thus the installing sleeve device has the advantages of environmental friendliness and no pollution, capability of eliminating influences of pressure and temperature changes and mechanical vibration, good sealing effect and the like.
Description
Technical field
The present invention relates to the ultrasonic flowmeter technical field, specifically a kind of installation sleeve device that is used for ultrasonic flowmeter.
Background technology
At present, the ultrasonic flowmeter that people use normally is made up of flow sensor, counter and temperature sensor, and wherein flow sensor comprises ultrasonic transducer, installation sleeve device and the table body of realizing the flow measurement function; The installation sleeve device comprises carbon packing ring, presses pipe, installation sleeve and clamp nut, and the table body comprises table body pipe, table body flange, mount pad, and mount pad is installed on the table body pipe; Installation sleeve is installed in the mount pad, and table body flange is mounted in table body pipe two ends, and ultrasonic transducer one end is fastenedly connected through asbestos packing ring and installation sleeve; The other end is fastenedly connected through pressing pipe, clamp nut and installation sleeve, and ultrasonic transducer is connected its deficiency through lead with the counter that table body pipe is provided with: the one, and this structure is checked when dispatching from the factory drainage is not all taken place; And under situation about using in user heating season, ultrasonic flowmeter is owing to the difference of installation environment, and calorimeter removes high low temperature sudden change except bearing; Also to bear the impact of high-low pressure; And the adverse effect that causes of pipe vibration, fastening structure in the past can not guarantee effectively permanent, what compress that asbestos sealing washer leans on only is the snap-in force of clamp nut; And clamp nut rotation is fastening the time; Be that form is afterburning in the shape of a spiral, press pipe not only to receive axial power like this, received shearing force simultaneously.From applying the fastening force of identical dynamics, the axial force that acts directly on the asbestos sealing washer has just been weakened, and keep suitable snap-in force; Just must strengthen the fastening force of clamp nut, and this has caused adverse influence for the installation sleeve of thin-wall construction, applies too big power and can cause the installation sleeve distortion; Sealing property can't guarantee, and owing to exist shearing force, can cause the instability of pressing pipe; Thereby the sealing effectiveness of remote effect packing ring causes drainage to happen occasionally, for fear of drainage takes place; The designer has also taked some measures, comprises being coated with thread locking glue, strengthens the clamp nut Tightening moment; Change packing ring material etc., but effect not very desirable; The 2nd, because the material of asbestos sealing washer is asbestos, asbestos belong to carcinogen, therefore, in order to reach environmental requirement, need improve the material of packing washer.
Summary of the invention
The objective of the invention is to solve the deficiency of above-mentioned prior art, a kind of novel structure, sealing property height, long service life, environment friendly and pollution-free installation sleeve device are provided.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of installation sleeve device comprises packing washer, presses pipe, installation sleeve and clamp nut, it is characterized in that fastening of clamp nut has at least three tapped through holes with the axle center for the center circumferential array; The center line of tapped through hole is parallel with the center line of clamp nut, and tapped through hole is corresponding with pressure pipe end face, and holding screw has been threaded on the tapped through hole; The holding screw front end is provided with the plane perpendicular to screw axis; To prevent wearing and tearing pressure pipe end face, holding screw is inconsistent with pressure pipe end face through the plane, is beneficial to directly manage an axial force to pressing from the circumference all directions; Avoided the labile factor of shearing force to pressing pipe to cause; Guarantee to press pipe directly to force in ultrasonic transducer and packing washer, the sealing effectiveness performance of packing washer is greatly improved, avoided the generation of drainage.
Packing washer according to the invention adopts no asbestos washer, has environment friendly and pollution-freely, can eliminate the influence of pressure, temperature variation and mechanical vibration, the sealing effectiveness height.
The material of no asbestos washer according to the invention is to be processed by following raw material by weight: no fibrous asbestos 40-55, packing material 25-40; Rubber 10-20 and adjuvant 5-10; Said no fibrous asbestos comprises inorganic synthon and organic synthetic fibers, inorganic synthon and organic synthetic fibers proportioning 1:1, and wherein inorganic fibre adopts carbon fibre; Organic fiber adopts aramid fiber; Packing material adopts mica powder, and rubber adopts butyronitrile synthetic rubber, and adjuvant adopts aging resister and stabilizing agent; The proportioning of aging resister and stabilizing agent is 1:1; Preparation technology is that at high temperature to roll the thickness that forms with inorganic synthon and organic synthetic fibers and butyronitrile synthetic rubber, packing material, adjuvant be the packing washer of the annular of 1-5mm, because no asbestos washer had both had higher intensity, has rebound resilience preferably again; Have superpower anti-permeability performance simultaneously, reach tension stress degree height, Heat stability is good, wear-resistant, oil resistant acid and alkali-resistance, corrosion resistivity, physical life length, good seal performance, nontoxic pollution-free, production and effect safe in utilization, compliance with environmental protection requirements.
The present invention is owing to adopt said structure, has novel structure, sealing property height, long service life, advantage such as environment friendly and pollution-free.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present invention.
Fig. 2 is the structural representation of second kind of embodiment of the present invention.
Reference numeral: installation sleeve 1, clamp nut 2, holding screw 3, pressure pipe 4, ultrasonic transducer 5, packing washer 6.
Embodiment
Below in conjunction with accompanying drawing the present invention is further specified:
Shown in accompanying drawing, a kind of installation sleeve device comprises packing washer 6, presses pipe 4, installation sleeve 1 and clamp nut 2; It is characterized in that 2 fastening of clamp nuts with the axle center for the center circumferential array has at least three tapped through holes, the center line of tapped through hole is parallel with the center line of clamp nut 2, the center of clamp nut 2 is provided with the data line perforation of ultrasonic transducer; Tapped through hole is corresponding with pressure pipe 4 end faces; The holding screw 3 that has been threaded on the tapped through hole, holding screw 3 front ends are provided with the plane perpendicular to screw axis, press pipe 4 end faces to prevent wearing and tearing; Holding screw 3 is inconsistent with pressure pipe 4 end faces through the plane; Be beneficial to directly manage 4 one axial forces, avoided the labile factor of shearing force, guaranteed that pressure pipe 4 directly forces in ultrasonic transducer 5 and packing washer 6 pressing pipe 4 to cause to pressing from the circumference all directions; The sealing effectiveness performance of packing washer 6 is greatly improved, has avoided the generation of drainage.
Packing washer according to the invention 6 adopts no asbestos washer 6, has environment friendly and pollution-freely, can eliminate the influence of pressure, temperature variation and mechanical vibration, the sealing effectiveness height.
The material of the no asbestos washer 6 described in the present invention is to be processed by following raw material by weight: no fibrous asbestos 40-55, packing material 25-40; Rubber 10-20 and adjuvant 5-10; Said no fibrous asbestos comprises inorganic synthon and organic synthetic fibers, inorganic synthon and organic synthetic fibers proportioning 1:1, and wherein inorganic fibre adopts carbon fibre; Organic fiber adopts aramid fiber; Packing material adopts mica powder, and rubber adopts butyronitrile synthetic rubber, and adjuvant adopts aging resister and stabilizing agent; The proportioning of aging resister and stabilizing agent is 1:1; Preparation technology is that at high temperature to roll the thickness that forms with inorganic synthon and organic synthetic fibers and butyronitrile synthetic rubber, packing material, adjuvant be the packing washer of the annular of 1-5mm, because no asbestos washer 6 had both had higher intensity, has rebound resilience preferably again; Have superpower anti-permeability performance simultaneously, reach tension stress degree height, Heat stability is good, wear-resistant, oil resistant acid and alkali-resistance, corrosion resistivity, physical life length, good seal performance, nontoxic pollution-free, production and effect safe in utilization, compliance with environmental protection requirements.
The present invention can be provided with more than one pressure pipe 4 in installation sleeve 1, when installation sleeve axially extends, to guarantee the axial compression equilibrium of forces.
Embodiment 1: a kind of installation sleeve device, and comprise packing washer 6, press pipe 4, installation sleeve 1 and clamp nut 2, clamp nut 2 surfaces have at least three tapped through holes with the axle center for the center circumferential array; Tapped through hole is corresponding with pressure pipe 4 ends, the holding screw 3 that has been threaded on the tapped through hole, and holding screw 3 is inconsistent with pressure pipe 4; Be beneficial to directly manage 4 one axial forces, avoided the labile factor of shearing force, guaranteed that pressure pipe 4 directly forces in ultrasonic transducer 5 and packing washer 6 pressing pipe 4 to cause to pressing from the circumference all directions; The sealing effectiveness performance of packing washer 6 is greatly improved; Avoided the generation of drainage, packing washer 6 adopts no asbestos washer 6, has environment friendly and pollution-free; Can partly eliminate the influence of pressure, temperature variation and mechanical vibration, sealing effectiveness is high.The preparation technology of no asbestos washer 6 described in the present invention is with carbon fibre 22.5 weight portions and aramid fiber 22.5 weight portions and each 2.5 weight portion of butyronitrile synthetic rubber 10 weight portions, mica powder 25 weight portions, aging resister and stabilizing agent; At high temperature roll the thickness that forms is the packing washer of the annular of 2mm together; Because no asbestos washer had both had higher intensity; Has rebound resilience preferably again; Have superpower anti-permeability performance simultaneously, reach tension stress degree height, Heat stability is good, wear-resistant, oil resistant acid and alkali-resistance, corrosion resistivity, physical life length, good seal performance, nontoxic pollution-free, production and effect safe in utilization, compliance with environmental protection requirements.
Embodiment 2: a kind of installation sleeve device, and comprise packing washer 6, press pipe 4, installation sleeve 1 and clamp nut 2, clamp nut 2 surfaces have at least three tapped through holes with the axle center for the center circumferential array; Tapped through hole is corresponding with pressure pipe 4 ends, the holding screw 3 that has been threaded on the tapped through hole, and holding screw 3 is inconsistent with pressure pipe 4; Be beneficial to directly manage 4 one axial forces, avoided the labile factor of shearing force, guaranteed that pressure pipe 4 directly forces in ultrasonic transducer 5 and packing washer 6 pressing pipe 4 to cause to pressing from the circumference all directions; The sealing effectiveness performance of packing washer 6 is greatly improved; Avoided the generation of drainage, packing washer 6 adopts no asbestos washer 6, has environment friendly and pollution-free; Can partly eliminate the influence of pressure, temperature variation and mechanical vibration, sealing effectiveness is high.Preparation technology is with carbon fibre 20 weight portions and aramid fiber 20 weight portions and each 5 weight portion of butyronitrile synthetic rubber 20 weight portions, mica powder 40 weight portions, aging resister and stabilizing agent; At high temperature roll the thickness that forms is the packing washer of the annular of 5mm together; Because no asbestos washer had both had higher intensity; Has rebound resilience preferably again; Have superpower anti-permeability performance simultaneously, reach tension stress degree height, Heat stability is good, wear-resistant, oil resistant acid and alkali-resistance, corrosion resistivity, physical life length, good seal performance, nontoxic pollution-free, production and effect safe in utilization, compliance with environmental protection requirements.
Embodiment 3: a kind of installation sleeve device, and comprise packing washer 6, press pipe 4, installation sleeve 1 and clamp nut 2, clamp nut 2 surfaces have at least three tapped through holes with the axle center for the center circumferential array; Tapped through hole is corresponding with pressure pipe 4 ends, the holding screw 3 that has been threaded on the tapped through hole, and holding screw 3 is inconsistent with pressure pipe 4; Be beneficial to directly manage 4 one axial forces, avoided the labile factor of shearing force, guaranteed that pressure pipe 4 directly forces in ultrasonic transducer 5 and packing washer 6 pressing pipe 4 to cause to pressing from the circumference all directions; The sealing effectiveness performance of packing washer 6 is greatly improved; Avoided the generation of drainage, packing washer 6 adopts no asbestos washer 6, has environment friendly and pollution-free; Can partly eliminate the influence of pressure, temperature variation and mechanical vibration, sealing effectiveness is high.The preparation technology of no asbestos washer described in the present invention is with carbon fibre 21 weight portions and aramid fiber 21 weight portions and each 4 weight portion of butyronitrile synthetic rubber 15 weight portions, mica powder 35 weight portions, aging resister and stabilizing agent; At high temperature roll the thickness that forms is the packing washer of the annular of 1mm together; Because no asbestos washer had both had higher intensity; Has rebound resilience preferably again; Have superpower anti-permeability performance simultaneously, reach tension stress degree height, Heat stability is good, wear-resistant, oil resistant acid and alkali-resistance, corrosion resistivity, physical life length, good seal performance, nontoxic pollution-free, production and effect safe in utilization, compliance with environmental protection requirements.
The present invention is under situation about using in user heating season; Ultrasonic flowmeter is owing to the difference of installation environment, and calorimeter removes high low temperature sudden change, the impact that also will bear high-low pressure except bearing; And the adverse effect that causes of pipe vibration; Compress the snap-in force of being not only clamp nut 2 that no asbestos sealing washer 6 leans on, and also have the axial pressing force of clamp nut 2 circumferential each holding screw 3, so both guaranteed the sealing between clamp nut 2 and the installation sleeve 1; But also guaranteed the sealing between no asbestos washer 6 and the installation sleeve 1; Avoided the user that drainage takes place in use, solved calorimeter and leaked, caused unnecessary dehydration loss for user and heat supply company because of the sealing difference causes.
The present invention is owing to adopt said structure, has novel structure, sealing property height, long service life, advantage such as environment friendly and pollution-free.
Claims (2)
1. installation sleeve device; Comprise packing washer, press pipe, installation sleeve and clamp nut, it is characterized in that fastening of clamp nut with the axle center for the center circumferential array has at least three tapped through holes, the center line of tapped through hole is parallel with the center line of clamp nut; Tapped through hole is corresponding with pressure pipe end face; The holding screw that has been threaded on the tapped through hole, the holding screw front end is provided with the plane perpendicular to screw axis, holding screw through the plane with press the pipe end face inconsistent.
2. a kind of installation sleeve device according to claim 1 is characterized in that packing washer adopts no asbestos washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102335744A CN102706400A (en) | 2012-07-08 | 2012-07-08 | Installing sleeve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102335744A CN102706400A (en) | 2012-07-08 | 2012-07-08 | Installing sleeve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102706400A true CN102706400A (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102335744A Pending CN102706400A (en) | 2012-07-08 | 2012-07-08 | Installing sleeve device |
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| Country | Link |
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| CN (1) | CN102706400A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937469A (en) * | 2012-11-16 | 2013-02-20 | 深圳市建恒测控股份有限公司 | Lining type device with ultrasonic flowmeter or ultrasonic thermal energy meter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201269765Y (en) * | 2008-08-27 | 2009-07-08 | 威海市天罡仪表有限公司 | Ultrasonic flowmeter |
| CN202092692U (en) * | 2011-05-09 | 2011-12-28 | 广州市番禺奥迪威电子有限公司 | Ultrasonic wave flow sensor with dirty proof layer |
| CN202631022U (en) * | 2012-07-08 | 2012-12-26 | 威海市天罡仪表股份有限公司 | Mounting sleeve device |
-
2012
- 2012-07-08 CN CN2012102335744A patent/CN102706400A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201269765Y (en) * | 2008-08-27 | 2009-07-08 | 威海市天罡仪表有限公司 | Ultrasonic flowmeter |
| CN202092692U (en) * | 2011-05-09 | 2011-12-28 | 广州市番禺奥迪威电子有限公司 | Ultrasonic wave flow sensor with dirty proof layer |
| CN202631022U (en) * | 2012-07-08 | 2012-12-26 | 威海市天罡仪表股份有限公司 | Mounting sleeve device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937469A (en) * | 2012-11-16 | 2013-02-20 | 深圳市建恒测控股份有限公司 | Lining type device with ultrasonic flowmeter or ultrasonic thermal energy meter |
| CN102937469B (en) * | 2012-11-16 | 2015-01-28 | 深圳市建恒测控股份有限公司 | Lining type device with ultrasonic flowmeter or ultrasonic thermal energy meter |
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Application publication date: 20121003 |