CN105485436A - Device and method for fixing tube - Google Patents
Device and method for fixing tube Download PDFInfo
- Publication number
- CN105485436A CN105485436A CN201511016343.8A CN201511016343A CN105485436A CN 105485436 A CN105485436 A CN 105485436A CN 201511016343 A CN201511016343 A CN 201511016343A CN 105485436 A CN105485436 A CN 105485436A
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- CN
- China
- Prior art keywords
- seal ring
- upper protruding
- protruding block
- recessed piece
- block
- 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
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Classifications
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/10—Sealing by using sealing rings or sleeves only
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a device and method for fixing a tube. The device comprises a downward-concave block, a seal ring and an upward-convex block. The upward-convex block is embedded in a groove of the downward-concave block so that the upward-convex block can vertically move in the groove. The seal ring is arranged at the bottom of the groove. Through holes used for containing the tube are formed in the downward-concave block, the seal ring and the upward-convex block. In the process that the seal ring is extruded by the upward-convex block, the seal ring deforms, so that the area of a middle cavity is reduced. The device for fixing with unique design is provided for the tube fixing problem in fluid measurement, a Pitot tube or other tubes are fixed to the device through simple and convenient adjustment, and the influence on inner fluid is greatly reduced. In addition, by means of the device, fixing tightness can be simply and conveniently adjusted, and the tube and the device for fixing are split.
Description
Technical field
The invention belongs to mechanical fastening system field, be specifically related to a kind of device and method for fixing body.
Background technique
In scientific research, production, teaching, environmental protection and purifying chamber, mine ventilation, energy conservation department, conventionally need some testing tube (as pitot tube) to be fixed on tube wall or chamber outer wall.For fluid measurement, according to traditional fixing device, pipeline is fixed, so will to the interference of whole flow field greatly, can only uses in outflow or large-scale pipeline in measuring phase.And in the narrow and small pipeline of flow rates, the scope of testing the speed as hydrology pitot tube is 0.2 ~ 2m/s, the scope of testing the speed of air pitot tube is 1 ~ 60m/s, if the flow rates of water or air transfinites, or in some aspects, as flow problem, trickle flow velocity difference distribution measuring etc. in small sized pipeline, so traditional fixing device cannot be used for this type of and accurately measure.Add the impact that as far as possible should reduce the form of convection cell own.Therefore, if introduce other fixing devices to be placed in wind-tunnel, will inevitably flow-disturbing be increased, larger interference is produced to measurement result.
Other traditional experiment means are also had no way of doing it, and except the nonconventional approaches that non-used advanced means is as high in prices such as PIV, no person people can only theory analysis or estimation, accurately cannot be measured by conventional means.Consider based on this kind, while being necessary a kind of minimizing as far as possible of exploitation interference, pitot tube can be fixed on the device on device tube wall or other positions.
Summary of the invention
Object of the present invention solves problems of the prior art, and provides a kind of device for fixing body, and concrete technological scheme is as follows:
For a device for fixing body, comprising: recessed piece, seal ring and upper protruding block, upper protruding block embeds in the groove of recessed piece, and upper protruding block can be moved up and down in a groove; Seal ring is placed in this bottom portion of groove; Recessed piece, seal ring and upper protruding block have through hole for holding body., as long as described seal ring is by upper protruding block extrusion process, deformation can be there is the area of middle cavity is reduced in the set-up mode choosing multiple of seal ring.Recessed piece of described bottom is also provided with the cylindric extension block extended along body direction, extension block also offers and holds the through hole of body, and through hole on this through hole and recessed piece, seal ring and upper protruding block is through; Extension block outer side wall is provided with screw thread.Extension block adds contact length and the area of fixing device and body, can keep the stability of pitot tube better.Meanwhile, extension block can insert in tube wall to be measured as fixed component.Thus, the sidewall by extension block being screwed in pipeline to be measured realizes the fixing of pitot tube.
As preferably, described seal ring adopts elastic material, makes it lateral expansion occur when being subject to upper protruding block extruding and clamping body.
Preferred as another kind, described seal ring adopts elasticity or easy shape-changing material, and in wedge shape bottom upper protruding block, sphenoid surface is towards seal ring center, and upper protruding block base diameter is greater than seal ring external diameter.
Any one Placement can be adopted between upper protruding block and recessed piece, as long as can make can to slide by damping and amortization between upper protruding block and recessed piece, upper protruding block can be fixed on a certain position of groove, realize the compression to seal ring.Preferred as one, be threaded connection between described upper protruding block and recessed piece.
In order to keep good water isolating, the sidewall placing seal ring place as recessed piece of preferred further, described bottom portion of groove is smooth, does not arrange screw thread, makes seal ring fit tightly sidewall.
As preferably, described extension block overlaps and has packing ring, prevent the water in pipe under test from being overflowed by the gap of extension block and tube wall.
Another object of the present invention is to provide a kind of method for fixing body using described device, concrete steps are: be first positioned over by seal ring in the groove of recessed piece, and body to be fixed is inserted in through hole, again upper protruding block is inserted in body to be fixed and rotates in recessed piece of embedding and screw, the seal ring clamping band of deformation is utilized to fix body, finally offer on target fixture surface the screw matched with extension block outside thread, and extension block screw-in is fixed.
The present invention is directed to fluid measurement middle tube body and fix a difficult problem, propose a kind of fixing device of unique design, by regulating easily, pitot tube or other bodys are fixed on device, and substantially reduce the impact on internal flow.And this device can regulate fixing degree of tightness easily, realizes the fractionation of body and fixing device.
Accompanying drawing illustrates:
Fig. 1 is the overall decomposing schematic representation of a kind of device for fixing body;
Fig. 2 is a kind of device section decomposing schematic representation for fixing body;
Fig. 3 is ring structure schematic diagram of the present invention;
Fig. 4 is a kind of combination schematic diagram of the device for fixing body;
Fig. 5 is the another kind of structural profile schematic diagram of recessed piece of the present invention;
Fig. 6 is the combination schematic diagram of the device of recessed piece of band Fig. 5 structure;
Fig. 7 is the device of recessed piece of band Fig. 6 structure and the assembling schematic diagram of body;
Fig. 8 is the apparatus structure schematic diagram for wedge shape bottom band upper protruding block.
In figure: upper protruding block 1, seal ring 2, recessed piece 3 and body 4.
Embodiment
Below in conjunction with accompanying drawing the present invention be further elaborated and illustrate.In the present invention, the technical characteristics of each mode of execution is not having under conflicting prerequisite, all can carry out respective combination.
Embodiment 1
As shown in Figure 1, for fixing body device by recessed piece 3, seal ring 2 and upper protruding block 1 form.Upper protruding block 1 embeds in the groove of recessed piece 3, and upper protruding block 1 can be moved up and down in a groove.As shown in Figure 2, seal ring 2 is placed in this bottom portion of groove; Recessed piece 3, seal ring 2 and upper protruding block 1 have through hole for holding body.As shown in Figure 3, seal ring 2 adopts elastic material, and have a cavity in the middle of it, the use of elastic material can make it when being subject to upper protruding block 1 and extruding, lateral expansion occur, and the area of middle cavity reduces and clamps body, utilizes frictional force to realize the fixing of body.Be threaded connection between described upper protruding block 1 and recessed piece 3, but the sidewall at recessed piece of 3 bottom portion of groove placement seal ring 2 places is smooth, does not arrange screw thread.Be plane bottom upper protruding block 1, can by rotating the decrement of upper protruding block 1 free adjustment seal ring 2, assembled state is as shown in Figure 4.As shown in Figure 5, the cylindric extension block extended along body 4 direction bottom recessed piece 3, can also be provided with, extension block also offer and holds the through hole of body, and through hole on this through hole and recessed piece 3, seal ring 2 and upper protruding block 1 is through.The device assembled state of extension block is set as shown in Figure 6.Extension block outer side wall is provided with screw thread, and outside screw thread, cover has packing ring, and the sidewall by extension block being screwed in pipeline to be measured realizes the fixing of pitot tube.
As shown in Figure 7, the using method of body fixing device is: inserted by seal ring 2 in the groove of recessed piece 3, by body 4 vertical component be inserted in recessed piece 3, screw in the through hole that communicates of seal ring 2 and upper protruding block 1 three after make seal ring 2 tightly wrap up body.If there is no extension block bottom recessed piece 3, anchor ear can be utilized fixing device and body to be fixed in the lump, body is stretched in pipeline to be measured.If have extension block bottom recessed piece 3, can beat on tube wall to be measured directly slightly larger than the hole of extension block, retell extension block and insert or in advances through hole, realize fixing.
Embodiment 2
The present embodiment is compared with embodiment 1, and difference is that upper protruding block 1 is different from the matching relationship of seal ring 2.In the present embodiment, as shown in Figure 8, in wedge shape bottom upper protruding block 1, sphenoid surface is towards seal ring 2 center, and upper protruding block 1 base diameter is greater than seal ring 2 external diameter.Seal ring 2 adopts elasticity or easy shape-changing material, as long as can produce transverse deformation.Upper protruding block 1 is wedge shape due to bottom, is therefore pressing down in process, laterally promotes seal ring 2 and moves to center or be out of shape, and Shi Qi center cavity face is long-pending to be reduced, laminating tube wall, utilizes frictional force to realize the fixing of body.
A kind of method for fixing body using said apparatus, concrete steps are: be first positioned over by seal ring 2 in the groove of recessed piece 3, and body to be fixed is inserted in through hole, again upper protruding block 1 is inserted in body to be fixed and rotates to embed in recessed piece 3 and screw, seal ring 2 clamping band of deformation is utilized to fix body, finally offer on target fixture surface the screw matched with extension block outside thread, and extension block screw-in is fixed.
For the present invention's water flow velocity in measuring channel on pitot tube basis, its measuring phase is for utilize fixing device to be fixed on water pipe sidewall pitot tube, the pitot tube mouth of pipe is just to water (flow) direction, pitot tube connects manometer or pressure transducer, finally use upper protruding block 1 lock sealing circle 2, laminating airtight with body, prevent its gas leakage leakage, relend and help external force as ear-cleaning ball etc., drain air in pitot tube and connecting tube, in pipeline, namely dynamic hydraulic pressure obtain by manometer or pressure transducer measurement by force, thus converse flow velocity.
Above-described embodiment is several preferably scheme of the present invention, and so it is not intended to limiting the invention, and all technological schemes taking the mode of equivalent replacement or equivalent transformation to obtain, all drop in protection scope of the present invention.
Claims (7)
1. the device for fixing body, it is characterized in that, comprise: recessed piece (3), seal ring (2) and upper protruding block (1), upper protruding block (1) embeds in the groove of recessed piece (3), and upper protruding block (1) can be moved up and down in a groove; Seal ring (2) is placed in this bottom portion of groove; Recessed piece (3), seal ring (2) and upper protruding block (1) have the through hole for holding body; By in upper protruding block (1) extrusion process, there is deformation and the area of middle cavity reduced in described seal ring (2); Described recessed piece (3) bottom is also provided with the cylindric extension block extended along body direction, extension block also offers and holds the through hole of body, and through hole on this through hole and recessed piece (3), seal ring (2) and upper protruding block (1) is through; Extension block outer side wall is provided with screw thread.
2. as claimed in claim 1 for the device of fixing body, it is characterized in that, described seal ring (2) adopts elastic material, makes it lateral expansion occur when being subject to upper protruding block (1) extruding and clamping body.
3. as claimed in claim 1 for the device of fixing body, it is characterized in that, described seal ring (2) adopts elasticity or easy shape-changing material, upper protruding block (1) bottom is in wedge shape, sphenoid surface is towards seal ring (2) center, and upper protruding block (1) base diameter is greater than seal ring (2) external diameter.
4., as claimed in claim 1 for the device of fixing body, it is characterized in that, be threaded connection between described upper protruding block (1) and recessed piece (3).
5. as claimed in claim 4 for the device of fixing body, it is characterized in that, the sidewall that recessed piece of described (3) bottom portion of groove places seal ring (2) place is smooth, does not arrange screw thread.
6. the device for fixing body as claimed in claim 1, is characterized in that, on described extension block, cover has packing ring.
7. one kind uses the method for fixing body of device as claimed in claim 1, it is characterized in that, first seal ring (2) is positioned in the groove of recessed piece (3), and body to be fixed is inserted in through hole, again upper protruding block (1) is inserted in body to be fixed and rotates to embed in recessed piece (3) and screw, the seal ring of deformation (2) clamping band is utilized to fix body, finally offer on target fixture surface the screw matched with extension block outside thread, and extension block screw-in is fixed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201511016343.8A CN105485436A (en) | 2015-12-29 | 2015-12-29 | Device and method for fixing tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201511016343.8A CN105485436A (en) | 2015-12-29 | 2015-12-29 | Device and method for fixing tube |
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CN105485436A true CN105485436A (en) | 2016-04-13 |
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Family Applications (1)
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CN201511016343.8A Pending CN105485436A (en) | 2015-12-29 | 2015-12-29 | Device and method for fixing tube |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111345696A (en) * | 2020-03-19 | 2020-06-30 | 佛山市顺德区美的饮水机制造有限公司 | Bucket water suction housing, bucket water suction housing assembly and water dispenser |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102679044A (en) * | 2012-06-11 | 2012-09-19 | 张君 | Plate-crossing sealing sleeve component and sealing method |
CN202674559U (en) * | 2012-05-07 | 2013-01-16 | 镇江东方电热有限公司(中外合资) | Seal connecting structure of electrothermal tubes and cover plate components |
CN203374994U (en) * | 2013-07-01 | 2014-01-01 | 浙江桑乐数字化太阳能有限公司 | Seal assembly for inserting connection of heat pipe and water tank |
CN203907038U (en) * | 2014-05-12 | 2014-10-29 | 太仓市金时利船用电器有限公司 | Stuffing box |
CN204284677U (en) * | 2014-12-04 | 2015-04-22 | 天津大唐国际盘山发电有限责任公司 | A kind of thread threading sealing fixing device |
CN104613239A (en) * | 2014-12-05 | 2015-05-13 | 江门市君盛实业有限公司 | Sealing structure |
CN204852647U (en) * | 2015-07-31 | 2015-12-09 | 江苏环力科技发展有限公司 | Location seal structure of cable and through wires hole on pressure controller panel |
-
2015
- 2015-12-29 CN CN201511016343.8A patent/CN105485436A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202674559U (en) * | 2012-05-07 | 2013-01-16 | 镇江东方电热有限公司(中外合资) | Seal connecting structure of electrothermal tubes and cover plate components |
CN102679044A (en) * | 2012-06-11 | 2012-09-19 | 张君 | Plate-crossing sealing sleeve component and sealing method |
CN203374994U (en) * | 2013-07-01 | 2014-01-01 | 浙江桑乐数字化太阳能有限公司 | Seal assembly for inserting connection of heat pipe and water tank |
CN203907038U (en) * | 2014-05-12 | 2014-10-29 | 太仓市金时利船用电器有限公司 | Stuffing box |
CN204284677U (en) * | 2014-12-04 | 2015-04-22 | 天津大唐国际盘山发电有限责任公司 | A kind of thread threading sealing fixing device |
CN104613239A (en) * | 2014-12-05 | 2015-05-13 | 江门市君盛实业有限公司 | Sealing structure |
CN204852647U (en) * | 2015-07-31 | 2015-12-09 | 江苏环力科技发展有限公司 | Location seal structure of cable and through wires hole on pressure controller panel |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111345696A (en) * | 2020-03-19 | 2020-06-30 | 佛山市顺德区美的饮水机制造有限公司 | Bucket water suction housing, bucket water suction housing assembly and water dispenser |
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Effective date of registration: 20170122 Address after: 310027 Hangzhou, Zhejiang Province, Xihu District, Zhejiang Road, No. 38, No. Applicant after: Zhejiang Univ. Address before: 310027 Hangzhou, Zhejiang Province, Xihu District, Zhejiang Road, No. 38, No. Applicant before: Zhejiang Univ. Applicant before: Wu Haijun |
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WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160413 |
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WD01 | Invention patent application deemed withdrawn after publication |