CN203705200U - Concentric type flow regulator - Google Patents
Concentric type flow regulator Download PDFInfo
- Publication number
- CN203705200U CN203705200U CN201420054214.2U CN201420054214U CN203705200U CN 203705200 U CN203705200 U CN 203705200U CN 201420054214 U CN201420054214 U CN 201420054214U CN 203705200 U CN203705200 U CN 203705200U
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- CN
- China
- Prior art keywords
- rotating shaft
- rope
- core hole
- holding rod
- flow regulator
- 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.)
- Withdrawn - After Issue
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a concentric type flow regulator which is structured as follows: an axial core hole and a transverse rope passing hole are formed in the rod body of a handheld rod, wherein the axial core hole is connected with a sampling hose in a penetrating manner; the transverse rope passing hole is communicated with the axial core hole; a spindle euphroe used for twining and fastening a rope is arranged at one end of the handheld rod; the transverse rope passing hole is opposite to the spindle euphroe; a fastening rope pulled out of the spindle euphroe penetrates through the transverse rope passing hole and goes into the axial core hole, and then the end parts of the fastening rope are fixed on the rod body of the handheld rod; in the axial core hole, the fastening rope encircles the cross-under sampling hose for a round. According to the utility model, the loop type tightening regulation to the sampling hose by the fastening rope is realized, and the purpose of concentric type flow regulation is fulfilled, so that the flowing beam of water passing through the sampling hose always takes the shape of a cylinder. Therefore, the probability for volatile substances and half volatile substances in a polluted water sample to separate out is reduced, and the fidelity of a sample is improved.
Description
Technical field
The utility model relates to a kind of flow regulator, specifically a kind of concentric type flow regulator.
Background technology
At present, the regulative mode of fluid flow mainly contains contact flow regulation and contactless flow regulation.
Contact flow regulation is as various valves, and flow regulator directly contacts with liquid, and its inner liquid quality of flowing through is easily subject to the impact of flow regulator; On the other hand, alter a great deal into and out of the streamline bundle of flow regulator liquid, the requirement to flow regulation can not meet the stable sample collection that contains volatilization, half volatile material of liquid streamline beam request time.
Contactless flow regulation is to carry the caliber of the pipeline of liquid to control flow by change, and common mode is " flattening formula ", and as various pipe clamps, flow regulator is contact liq not.When adjust flux, because pipeline deformation is larger, make to alter a great deal into and out of the streamline bundle of flow regulator liquid segment, the requirement of the flow regulation can not meet equally the stable sample collection that contains volatilization, half volatile material of liquid streamline beam request time.
At present in to the gatherer process of Organic Pollution water sample, for the control of water flow that gathers water sample, be generally to use contactless " flattening formula " flow regulator.While using this flow regulator adjust flux, the streamline bundle of water can gradually become " flat " shape by " cylinder " shape, owing to having changed the shape of streamline bundle, thereby increase the probability of intermolecular mutual collision, volatilization in Organic Pollution water sample, the probability that half volatile material is separated out are increased, cause sample distortion.
Summary of the invention
The purpose of this utility model is just to provide a kind of concentric type flow regulator that does not change aqueous sample stream beam shape, separates out to solve the volatilization, the half volatile material that are out of shape in the pollution water sample being caused because of streamline bundle the problem that makes sample distortion.
The utility model is achieved in that a kind of concentric type flow regulator, in the body of rod of holding rod, have the axial core hole of cross-under sampling flexible pipe and the horizontal rope through communicating with described core hole, be provided with the rotating shaft euphroe that is wound around fastening rope in one end of described holding rod, described rope through is relative with described rotating shaft euphroe, the fastening rope pulling out from described rotating shaft euphroe is passing described rope through and is passing into behind described core hole, and its end is fixed on the body of rod of described holding rod; Described fastening rope sampling flexible pipe one around cross-under in described core hole encloses.
Described rotating shaft euphroe is to be provided with in the upper end of described holding rod axially to deflect away from outside, core hole and housing opposing upper and lower and axle bed, upright rotating shaft is housed in described housing, the lower end of described rotating shaft passes described housing and is movably connected on described axle bed, the upper end of described rotating shaft is connected to brings the wheel disc of taking turns edge, be provided with the axial internal tooth of a circle along inner side at the wheel of described wheel disc, in described rotating shaft, be provided with the profile of tooth section of one section of tape spool to external tooth, the toggle mechanism that described rotating shaft is rotated by stirring described profile of tooth section is housed in described housing, stirring in window that the press handle of described toggle mechanism is outputed from described housing sidewall stretched out, be provided with the lockable mechanism that makes rotating shaft stop by the internal tooth on wheel disc described in clamping in described case top, described fastening rope is connected on the revealed section of described rotating shaft.
The aperture, core hole of described holding rod is identical with the external diameter of the sampling flexible pipe in cross-under core hole; With the core hole inwall of the described holding rod of rope through equal height on be shaped with the ring groove around core hole inwall, described fastening rope can be free to slide in described ring groove.
Output a bar seam tangent with edge, core hole in the upper surface of described holding rod, the degree of depth of described seam reaches the height of the described rope through on described holding rod, and the termination of described fastening rope is rabbeted and is fixed in described seam on described holding rod.
Described toggle mechanism is, in the cylinder circle of the described rotating shaft of socket, press handle is housed, the side opening of described cylinder circle is stretched out in one end of described press handle, built-in section of described press handle is socketed with retracing spring, the inner face of described press handle is cancave cambered surface, is shaped with the end tooth that can be meshed with the profile of tooth section in described rotating shaft at the inner face of described press handle.
Described lockable mechanism comprises two shift forks and the fan-shaped shifting block between two described shift forks, one end of two described shift forks is hinged on respectively the wheel that reaches described wheel disc from described housing top board along on the inwall of an opening inner core circle of inner side, the free joint end of two described shift forks stretches out respectively the open section of described opening inner core circle, and under the stirring of described shifting block, be connected on the described internal tooth on described wheel disc medial surface; Between the middle part of lateral surface of two described shift forks and the inwall of described opening inner core circle, be respectively equipped with the top spring that promotes described shift fork return; On described shifting block, be connected to turning handle by coupling shaft, described turning handle is arranged on the lateral surface of described housing top board.
The utility model has been realized fastening rope the ring type of sampling flexible pipe has tightly been restrainted to adjusting, reach the object of concentric type flow regulation, make to remain " cylinder " shape by the streamline bundle of sampling flexible pipe water, reduce thus the probability that in pollution water sample, volatilization, half volatile material are separated out, improved the fidelity of sample.The utility model is in the time regulating, can keep the plateau of streamline bundle, can carry out fine adjustments to fluid flow, can meet the requirement of the sample collection that contains volatilization, half volatile material to flow regulation, simultaneously can save the time of collected specimens, be a kind of economical and practical, fidelity is high, the contactless flow regulator of simple operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that the A-A of the flow regulator of concentric type shown in Fig. 1 is to cut-open view.
Fig. 3 is that the B-B of the flow regulator of concentric type shown in Fig. 1 is to cut-open view.
Embodiment
As shown in Figure 1, the utility model is in the holding rod 3 of a staight shank shape, to have axial core hole, cross-under sampling flexible pipe 1 in core hole, on the body of rod of holding rod 3, have the horizontal rope through communicating with core hole, be provided with the rotating shaft euphroe that is wound around fastening rope in one end of holding rod 3, the fastening rope 20 pulling out from rotating shaft euphroe is passing the rope through on holding rod 3 and is passing into behind core hole, and its end is fixed on the body of rod of holding rod 3.
The termination fixed form of fastening rope 20 can have multiple, the one, can output in the upper surface of holding rod 3 a bar seam 301 tangent with edge, core hole, the degree of depth of bar seam reaches the height of rope through, and the termination of fastening rope 20 is rabbeted and is fixed in this seam 301 on holding rod 3 (Fig. 2); The 2nd, can in holding rod 3, connect rope through, the termination of fastening rope 20 passes rope through, is fixed on the body of rod of holding rod 3.Penetrate behind the core hole of holding rod at sampling flexible pipe 1, fastening rope 20 encloses around sampling flexible pipe one in core hole, forms ring type and tightly restraints governor motion.
The aperture, core hole of holding rod 3 is preferably identical with the external diameter of the sampling flexible pipe 1 of institute cross-under.Because sampling flexible pipe 1 self has good elasticity, therefore, successfully cross-under holding rod core hole.Adopt after the set-up mode of same diameter, with the core hole inwall of the holding rod of rope through equal height on just should make a ring groove around core hole inwall, fastening rope can be free to slide in ring groove, regulate with the stretching that facilitates fastening rope 20, and reduce the deformation effect of even avoiding the non-annulus to sampling flexible pipe 1.
As shown in Figure 1, described rotating shaft euphroe is to be provided with in the upper end of holding rod 3 axially to deflect away from outside, core hole and housing opposing upper and lower 214 and axle bed 223, and upright rotating shaft 222 is housed in housing 214.The lower end of rotating shaft 222 passes after housing base plate 221, is movably connected on axle bed 223.The upper end of rotating shaft 222 is connected to brings the circular wheel disc 211 of taking turns edge, be provided with the axial internal tooth of a circle along inner side at the wheel of wheel disc 211, in rotating shaft 222, be provided with the profile of tooth section of one section of tape spool to external tooth, in housing 214, toggle mechanism is housed, by stirring of the profile of tooth section on countershaft 222, rotating shaft 222 is rotated thereupon.In toggle mechanism, be provided with implement stir operation use press handle 219, the outboard end of press handle 219 from output at the sidewall of housing 214 stir window in stretch out.Inside top at housing 214 is provided with lockable mechanism, and lockable mechanism, by the clamping to the internal tooth on wheel disc 211, makes rotating shaft 222 stop.Fastening rope 20 is connected on the revealed section of rotating shaft 222, and the revealed section of rotating shaft 222 is between housing 214 and axle bed 223.
As shown in Figure 1, Figure 3, described toggle mechanism comprises cylinder circle 218, press handle 219 and retracing spring 220; Cylinder circle 218 is socketed in the middle part of rotating shaft 222, and press handle 219 is arranged in cylinder circle 218; A side opening for cylinder circle 218 is stretched out in one end of press handle 219, and retracing spring 220 is socketed in cylinder circle built-in section of press handle 219.In Fig. 3, the inner face of press handle 219 is the cancave cambered surface that can be coated rotating shaft 222, is shaped with end tooth at the inner face of press handle 219, and end tooth axially arranges, and is covered with the inner face of press handle, and can with rotating shaft 222 on profile of tooth section intermeshing.In the time press...withing one's finger lower press handle 219, the end tooth on press handle 219 inner faces with rotating shaft 222 on profile of tooth section intermeshing, be now that available finger rotates rotating shaft 222 by stirring press handle 219 thereupon.Unclamp after finger, retracing spring 220 promotes press handle 219 returns, the end tooth on press handle 219 with rotating shaft 222 on profile of tooth section depart from voluntarily.
The effect that is arranged on the lockable mechanism in rotating shaft euphroe 2 is by the clutch operation to wheel disc 211, makes rotating shaft 222 lock or unclamp.As shown in Figure 1 and Figure 2, lockable mechanism comprises two shift forks 216 and the fan-shaped shifting block 215 between two shift forks, one end of two shift forks 216 is hinged on respectively on the inwall of opening inner core circle 212, the upper edge of opening inner core circle 212 is fixed on the top board inner side of housing 214, the wheel that opening inner core circle 212 extends downwardly into wheel disc 211, along inner side, is provided with the open section that a central angle is about 120 ° on opening inner core circle 212.The free joint end of two shift forks 216 stretches out respectively the open section of described opening inner core circle 212, and can be under the stirring of shifting block 215, is connected on the internal tooth on wheel disc 211 medial surfaces.In Fig. 2, between the middle part of lateral surface of two shift forks 216 and the inwall of opening inner core circle 212, be respectively equipped with top spring 217, to promote shift fork self-return.On shifting block 215, be connected to by coupling shaft the turning handle 213 of controlling clutch operation, turning handle 213 is arranged on the lateral surface of housing 214 top boards.
When use, first pull turning handle 213, make the free joint end of shift fork 216 depart from the interior edge of wheel disc 211, wheel disc 223 is released, the press handle 219 press...withing one's finger again in lower toggle mechanism, end tooth on press handle 219 is engaged with the profile of tooth section in rotating shaft 222, by stirring press handle 219, can drive rotating shaft 222 forward or reverse, adjustment is wrapped in the degree of drawing of the fastening rope 20 on sampling flexible pipe 1, with to fastening rope around sampling flexible pipe 1 carry out concentric folding and unfolding, adjust sampling flexible pipe 1 and restrain the size of the interior circular section at place, make to remain " cylinder " shape by the streamline bundle of the collection water sample in sampling flexible pipe 1, realize thus the object of sampling flexible pipe 1 being carried out to the flow adjustment of concentric-ring pattern, reduce the volatilization in pollution water sample in sampling process, half volatile material separate out probability.Unclamp after finger, the retracing spring 220 in toggle mechanism promotes press handle 219 returns, and the profile of tooth section in the end tooth on press handle 219 and rotating shaft 222 is separated, and once adjusts and finishes.
Claims (5)
1. a concentric type flow regulator, it is characterized in that, in the body of rod of holding rod, have the axial core hole of cross-under sampling flexible pipe and the horizontal rope through communicating with described core hole, be provided with the rotating shaft euphroe that is wound around fastening rope in one end of described holding rod, described rope through is relative with described rotating shaft euphroe, the fastening rope pulling out from described rotating shaft euphroe is passing described rope through and is passing into behind described core hole, and its end is fixed on the body of rod of described holding rod; Described fastening rope sampling flexible pipe one around cross-under in described core hole encloses;
Described rotating shaft euphroe is to be provided with in the upper end of described holding rod axially to deflect away from outside, core hole and housing opposing upper and lower and axle bed, upright rotating shaft is housed in described housing, the lower end of described rotating shaft passes described housing and is movably connected on described axle bed, the upper end of described rotating shaft is connected to brings the wheel disc of taking turns edge, be provided with the axial internal tooth of a circle along inner side at the wheel of described wheel disc, in described rotating shaft, be provided with the profile of tooth section of one section of tape spool to external tooth, the toggle mechanism that described rotating shaft is rotated by stirring described profile of tooth section is housed in described housing, stirring in window that the press handle of described toggle mechanism is outputed from described housing sidewall stretched out, be provided with the lockable mechanism that makes rotating shaft stop by the internal tooth on wheel disc described in clamping in described case top, described fastening rope is connected on the revealed section of described rotating shaft.
2. concentric type flow regulator according to claim 1, is characterized in that, the aperture, core hole of described holding rod is identical with the external diameter of the sampling flexible pipe in cross-under core hole; With the core hole inwall of the described holding rod of rope through equal height on be shaped with the ring groove around core hole inwall, described fastening rope can be free to slide in described ring groove.
3. concentric type flow regulator according to claim 2, it is characterized in that, output a bar seam tangent with edge, core hole in the upper surface of described holding rod, the degree of depth of described seam reaches the height of the described rope through on described holding rod, and the termination of described fastening rope is rabbeted and is fixed in described seam on described holding rod.
4. concentric type flow regulator according to claim 1, it is characterized in that, described toggle mechanism is, in the cylinder circle of the described rotating shaft of socket, press handle is housed, the side opening of described cylinder circle is stretched out in one end of described press handle, built-in section of described press handle is socketed with retracing spring, the inner face of described press handle is cancave cambered surface, is shaped with the end tooth that can be meshed with the profile of tooth section in described rotating shaft at the inner face of described press handle.
5. concentric type flow regulator according to claim 1, it is characterized in that, described lockable mechanism comprises two shift forks and the fan-shaped shifting block between two described shift forks, one end of two described shift forks is hinged on respectively the wheel that reaches described wheel disc from described housing top board along on the inwall of an opening inner core circle of inner side, the free joint end of two described shift forks stretches out respectively the open section of described opening inner core circle, and under the stirring of described shifting block, be connected on the described internal tooth on described wheel disc medial surface; Between the middle part of lateral surface of two described shift forks and the inwall of described opening inner core circle, be respectively equipped with the top spring that promotes described shift fork return; On described shifting block, be connected to turning handle by coupling shaft, described turning handle is arranged on the lateral surface of described housing top board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054214.2U CN203705200U (en) | 2014-01-28 | 2014-01-28 | Concentric type flow regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054214.2U CN203705200U (en) | 2014-01-28 | 2014-01-28 | Concentric type flow regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705200U true CN203705200U (en) | 2014-07-09 |
Family
ID=51055622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420054214.2U Withdrawn - After Issue CN203705200U (en) | 2014-01-28 | 2014-01-28 | Concentric type flow regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203705200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760922A (en) * | 2014-01-28 | 2014-04-30 | 中国地质科学院水文地质环境地质研究所 | Concentric type flow regulator |
-
2014
- 2014-01-28 CN CN201420054214.2U patent/CN203705200U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760922A (en) * | 2014-01-28 | 2014-04-30 | 中国地质科学院水文地质环境地质研究所 | Concentric type flow regulator |
| CN103760922B (en) * | 2014-01-28 | 2016-02-17 | 中国地质科学院水文地质环境地质研究所 | concentric flow regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20160217 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20160217 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |