CN201269821Y - Clip type sediment sampling device - Google Patents
Clip type sediment sampling device Download PDFInfo
- Publication number
- CN201269821Y CN201269821Y CNU2008201598597U CN200820159859U CN201269821Y CN 201269821 Y CN201269821 Y CN 201269821Y CN U2008201598597 U CNU2008201598597 U CN U2008201598597U CN 200820159859 U CN200820159859 U CN 200820159859U CN 201269821 Y CN201269821 Y CN 201269821Y
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- sampling
- sampling head
- extension bar
- push rod
- joint
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Abstract
The utility model relates to a card sediment sampler. The structure that a sampling tube is inserted in or separated with a sampling head is finished by adopting the matching of a spring and an inclined plane fixture block arranged on the sampling head and the step surface of the external diameter of the sampling tube. The facts that the internal diameter of the sampling tube is the same to the diameter of the overflow hole of the sampling head and valve cover design which can freely float up and down is adopted guarantee the automatic opening and closing of the overflow hole and do not disturb the water-earth interface when sampling. A plurality of extension rods are in lap joint, a sliding sleeve is fixed to be suitable for different water depth and deeper sediment can be sampled through the hitting of a movable weight.
Description
Technical field
The utility model relates to the benthal deposit sampling instrument when carrying out Study of Water Environment, and particularly a kind of clip type deposit sampler belongs to mechanical field.
Background technology
Benthal deposit is the important sample of research weather and environmental change rule, the information that includes a large amount of natural environment and climates, how under water sediment intactly being gathered up, carry out the analysis of aspects such as physics, chemistry and biology, it is crucial just needing not produce disturbance between water-pedosphere face, sedimental layer and the layer.In order to measure the sequence in sediment age, need collect century-old above sediment, deposition rates of sediments is annual several millimeter in the general water, must collect the above sediment of 50cm, it is dark more good more therefore gathering sediment.Sedimental collection generally all is in the open air, even aboard ship use, also require to carry with easy to operate.
Existing sampling thief has freshwater mussel formula (also claiming grab type) and column two classes.Freshwater mussel formula sampling thief can destroy water body surface deposit and sequence structure, and columnar sampler (ZL00234831.4), the via area on the sampling head is because structural reason can not equate the therefore disturbance that still can produce water-pedosphere face with the area of sampling pipe; The extension bar of the sampling thief that uses in shallow water, sampling pipe are all by being threaded, in sampling process, can not firmly rotate with the screw thread reverse direction, otherwise screw thread is loosening easily, even come off, it is still convenient inadequately and quick that blow-by of sampling pipe top and use are threaded, and its design can only be used in shallow water, can not use in deep water.Columnar sampler (the ZL01245551.2) sampling head that also has relies on float valve and the spillway hole in the thief rod in the valve that the water in the sampling pipe is overflowed, and via area is more less than the area of sampling pipe, the disturbance that more can produce water-pedosphere face.Secondly, sampling pipe is rubber band sealing by radially and fixing, and after sampling pipe had been filled sediment in water, sampling pipe was very heavy, is easy to slippage; Its weight is a fixing weight, can only rely on the gravity of itself to press down in deep water, can not adopt darker sediment.
Summary of the invention
The utility model purpose is to solve the deficiencies in the prior art, a kind of clip type deposit sampler is provided, it can use in shallow water and deep water, do not produce the variation of sequence structure and the variation of water-pedosphere face, very convenient and quick on carrying and operating in the open air, and can collect darker sediment.
In order to reach above-mentioned target, the utility model is by the following technical solutions: clip type deposit sampler, contain extension bar, sampling head, sampling pipe and weight, sampling pipe connects with sampling head, sampling head connects with extension bar, sampling head is provided with spillway hole, weight is arranged on the sampling head, it is characterized in that adopting between sampling pipe and the sampling head and spring connection inclined fixture block is set on the sampling head cooperates the activity connection with step surface with the sampling pipe external diameter, sample tube inner diameter is identical with sampling head spillway hole diameter, the spillway hole top is provided with radially spacing, the valve gap that easy on and off floats, weight is arranged on the sampling head top, slip cap is connected on the fixed mandril of sampling head, adopts the interaction hook joint between the many extension bars and between extension bar bottom and the push rod, and the hook joint place is provided with the radial location cover.
A kind of structure and connecting relation according to the such scheme design are: the fixedly sleeved joint in sampling pipe external diameter upper end, the external diameter of joint is a stepped appearance, up big and down small, on path, be provided be slidingly matched, the top is the throw-out collar on inclined-plane, the throw-out collar lower end is spacing by the snap ring that is movably arranged in the joint path annular groove; Sampling head is that two cooperation connections form up and down, part is a stepped appearance for bottle cap shape and the tegmental wall internal diameter of just putting on it, up-small and down-big, path is greater than the big footpath of sampling pipe joint, and cover center is provided with the spillway hole identical with sample tube inner diameter, and the lid inner face is provided with packing washer, part is inverted bottle cap shape under the sampling head, its tegmental wall internal diameter connects with last tegmental wall outer-diameter threads, and following part cover center also is provided with circular hole, and its aperture is greater than the throw-out collar external diameter; Under sampling head part lid inner face with relative in the ring cavity between the part step surface, be provided with the spring of at least two symmetric arrangement, spring one end is fixed on the big footpath side face of part tegmental wall internal diameter, the affixed fixture block of the other end of spring, the fixture block above and below reaches down with last step surface respectively, and part lid inner face is slidingly matched, the another side of fixture block is set to the inclined-plane parallel with the throw-out collar top, between two inclined-planes spacing is arranged, the step surface flush position of the step surface of part and joint external diameter on sampling head, sampling pipe and nipple tip thereof are pressed on the packing washer of part on the sampling head; The upper surface of part is fixed with the column of at least two symmetric arrangement on the sampling head, the bottom surface of the column other end and loam cake is movable fixing, the loam cake center is provided with tapped through hole and is provided with externally threaded hollow push rod with a lower end and connects, a slide bar that is stretched into and be slidingly matched with it by hollow push rod lower end is set, the affixed diameter in slide bar lower end is greater than the valve gap of spillway hole, and the valve gap bottom surface is provided with O-ring seal; Many of movable connections in push rod upper end and the isodiametric extension bar of push rod, employing activity hook joint between the every extension bar and between extension bar and the push rod, the hook joint place is provided with sliding sleeve, and the sliding sleeve two ends are provided with register pin, be equipped with radial direction through hole on the every extension bar and insert for hand pressure handle, the push rod upper end is provided with bridle port; The top of loam cake is provided with the weight of center pit, and slip cap is connected on the push rod, and weight is provided with the rope drop handle.
Said spring and fixture block are three, arrange along branches such as circumference; Column is four, arranged in squares.
The register pin at said sliding sleeve two ends, upper end are elastic positioning pin, and the lower end is a fixed locating stud, are separately positioned on the extension bar of two hook joints, and the spring pin of the length of sleeve pipe and a last extension bar is to the Distance Matching of the fixed pin of next root extension bar.
Be provided with buffering spacer between weight and the loam cake, avoid weight directly to impact loam cake and cause damage.
Advantage of the present utility model and beneficial effect: when the sampling headband sampling pipe and descended in water, valve gap relied on floating to rise automatically and opening of current, allows current pass through smoothly.The size in spilling water aperture has determined the size of water-pedosphere face disturbance, when sampling pipe drops to water-pedosphere face, if the spilling water aperture is littler than the bore of sampling pipe, during decline, water column in the pipe has formed pressure reduction to water-pedosphere face, can be pressed onto the sediment on the interface outside the sampling pipe; The spilling water aperture is more little; the pressure reduction that produces is big more; disturbance is just big more; unless; sampling pipe descends very lentamente, make the unit interval enter the volume that the volume of water in the sampling pipe and sampling pipe discharge and equate, and the speed that enters with drainage water is more or less the same; just can reduce this pressure reduction, this is difficult to accomplish when operation.And when the internal diameter of spilling water aperture and sampling pipe the same when big, pressure reduction just can be reduced to minimum degree, can not cause the disturbance of water-pedosphere face, the spilling water aperture that we adopt and the internal diameter of sampling pipe are the same big.When adopting completely sedimental sampling pipe and promoting when the sampling headband, valve gap can descend automatically and close, and the rubber sealing ring on the valve gap seals spillway hole, makes the top in the sampling pipe form negative pressure state, and like this, sediment just can not drop out from sampling pipe; Because be full of S ﹠ W in the sampling pipe, deal is very heavy, sampling pipe and sampling pipe joint are all-in-one-pieces, and the sampling pipe joint is blocked by the spring fixture block, and therefore sampling pipe can slippage when mentioning sampling head, have guaranteed the success ratio of sampling.The extension bar that use sampling pipe throw-out collar dismounting sampling pipe, uses hook joint to connect all is for convenient to operation, uses hand pressure handle and movable weight all to design in order to collect darker sediment.
Description of drawings
Fig. 1 is that the utility model structure is always schemed;
Fig. 2 is the extension bar component drawings.
Embodiment
Referring to Fig. 1,2, the fixedly sleeved joint 12 in sampling pipe 15 external diameters upper end, the external diameter of joint is stepped appearance, and is up big and down small, on path, be provided be slidingly matched, the top is the inclined-plane, be provided with the throw-out collar 13 of overlap, the throw-out collar lower end is spacing by the snap ring 14 that is movably arranged in the joint path annular groove; Sampling head is that two cooperation connections form up and down, part 10 is a stepped appearance for bottle cap shape and the tegmental wall internal diameter of just putting on it, up-small and down-big, path is greater than the big footpath of sampling pipe joint 12, and cover center is provided with the spillway hole identical with sample tube inner diameter 17, and the lid inner face is provided with packing washer 9, part 18 is inverted bottle cap shape under the sampling head, its tegmental wall internal diameter connects with last 10 tegmental wall outer-diameter threads, and following part 18 cover centers also are provided with circular hole, and its aperture is greater than throw-out collar 13 external diameters; Under sampling head part lid inner face with relative in the ring cavity between the part step surface, be provided with the spring of three symmetric arrangement, spring one end is fixed on the big footpath side face of part tegmental wall internal diameter, the affixed fixture block 11 of the other end of spring, on the fixture block 11, reaching down with last step surface respectively below, part lid inner face is slidingly matched, the another side of fixture block 11 is set to and parallel inclined-plane, throw-out collar 13 tops, spacing is arranged between two inclined-planes, and (this spacing is the throw-out collar stroke, should guarantee to make the spring fixture block to be compressed to sampling pipe can break away from), the step surface flush position of the step surface of part and joint external diameter on sampling head, sampling pipe and nipple tip thereof are pressed on the packing washer 9 of part on the sampling head; The upper surface screw thread of part is fixed with the column 19 of four symmetric arrangement on the sampling head, the column other end and loam cake 5 usefulness nuts 20 are fixing, the loam cake center is provided with tapped through hole and is provided with externally threaded hollow push rod 3 with a lower end and connects, a slide bar 6 that is stretched into and be slidingly matched with it by hollow push rod lower end is set, the affixed diameter in slide bar lower end is greater than the valve gap 7 of spillway hole, and the valve gap bottom surface is provided with O-ring seal 8; Many of movable connections in push rod 3 upper ends and the isodiametric extension bar 1 of push rod, every extension bar two ends all are set as colludes shape, between them and extension bar and push rod end collude between employing activity hook joint, the hook joint place is provided with sliding sleeve 2, the sliding sleeve two ends are provided with register pin, the upper end is preferably elastic positioning pin 23, the lower end is a fixed locating stud 24, be separately positioned on that (promptly an extension bar upper end is a fixed locating stud 24 on the extension bar of two hook joints, the lower end is an elastic positioning pin 23, such setting can make sliding sleeve be preset on the extension bar, is easy to carry and installs, and push rod is only established elastic positioning pin 22 in the upper end).The spring pin of the length of sleeve pipe and a last extension bar is to the Distance Matching of the fixed pin of next root extension bar.Being equipped with radial direction through hole on the every extension bar can insert for hand pressure handle 16, and the push rod upper end is provided with bridle port 25; The top of loam cake is provided with the weight 4 of center pit, and slip cap is connected on the push rod 3, and weight is provided with rope drop handle 21.
When sampling pipe need insert sampling head, because the internal diameter of fixture block 11 is the inclined-plane, big down little, the distance of the upper surface of fixture block 11 and packing washer 9 also just in time is the height of sampling pipe joint 12 maximum outside diameters, when the sampling pipe 15 that has sampling pipe joint 12 and sampling pipe throw-out collar 13 inserts sampling head, the outer rim of sampling pipe joint 12 outwards promotes spring fixture block 11 from the chamfered portion of three spring fixture blocks, packing washer 9 sealings just in time are close on the top of sampling pipe joint, simultaneously, the spring fixture block also just in time stretches out under the effect of spring, withstand on the lower end step surface of sampling pipe joint maximum outside diameter, sampling pipe joint 12 is caught, sampling pipe joint 12 and sampling pipe 15 are fixed together, sampling pipe throw-out collar 13 can promote (spacing by snap ring 14 in the less outer radius of sampling pipe joint 12 up and down, it is come off), in the time of need taking off sampling pipe, as long as the sampling pipe throw-out collar 13 on the sampling pipe joint 12 is upwards pushed away, correct on the sampling pipe throw-out collar 13 to squeeze and open spring fixture block 11, so just can easily take off sampling pipe quickly.The depth of water less than 3～4 meters the time, the push rod of sampling head can with the mutual hook joint of extension bar, extension bar general every long one meter, an end has a fixing pin 24, the other end has between spring pin 23, two pins has a sleeve pipe 2 to be enclosed within on the extension bar.During connection, with two mutual hook joints of extension bar end, press spring pin 23, sleeve pipe is moved on to the anti-anti-avulsion in joint to be colluded, the length of sleeve pipe just in time is the distance of the spring pin of a last extension bar to the fixing pin of next root extension bar, sleeve pipe is all blocked by pin up and down, can not move up and down, and extension bar just can not break off relations.When disconnecting bar, as long as press spring pin, remove sleeve pipe, just can pull down an extension bar, dismounting is very convenient quick during use.Can a circular hole be arranged every 0.5 meter on the extension bar, hand pressure handle 16 be dismantled an end spherical caps insert circular hole, can collect darker sediment, generally can connect 4～5 extension bars with hand pressurization downwards.The depth of water is (this moment is without extension bar) more than 3～4 meters the time, can use rope to be through in the circular hole 25 of push rod upper end, weight 4 is through in the push rod 3 and can slides up and down, wear in the drop handle 21 that ties up to movable weight top edges with rope, the deadweight of elder generation's utilization itself is pressed into sampling head in the sediment, affect movable weight 4 on the push rod 3 of sampling head, to slide with hand again, impacting buffering spacer 26 and loam cake 5 samples, darker than the sediment that the gravity of simple dependence self is gathered, can not make the variation on the sediment generation sequence yet.
Claims (6)
1, clip type deposit sampler, contain extension bar, sampling head, sampling pipe and weight, sampling pipe connects with sampling head, sampling head connects with extension bar, sampling head is provided with spillway hole, weight is arranged on the sampling head, it is characterized in that adopting between sampling pipe and the sampling head and spring connection inclined fixture block is set on the sampling head and cooperates the activity connection with sampling pipe, sample tube inner diameter is identical with sampling head spillway hole diameter, the spillway hole top is provided with radially spacing, the valve gap that easy on and off floats, weight is arranged on the sampling head top, slip cap is connected on the fixed mandril of sampling head, adopt the interaction hook joint between the many extension bars and between extension bar bottom and the push rod, the hook joint place is provided with the radial location cover.
2, clip type deposit sampler according to claim 1, it is characterized in that the fixedly sleeved joint in sampling pipe external diameter upper end, the external diameter of joint is a stepped appearance, up big and down small, on path, be provided be slidingly matched, the top is the throw-out collar on inclined-plane, the throw-out collar lower end is spacing by the snap ring that is movably arranged in the joint path annular groove; Sampling head is that two cooperation connections form up and down, part is a stepped appearance for bottle cap shape and the tegmental wall internal diameter of just putting on it, up-small and down-big, path is greater than the big footpath of sampling pipe joint, and cover center is provided with the spillway hole identical with sample tube inner diameter, and the lid inner face is provided with packing washer, part is inverted bottle cap shape under the sampling head, its tegmental wall internal diameter connects with last tegmental wall outer-diameter threads, and following part cover center also is provided with circular hole, and its aperture is greater than the throw-out collar external diameter; Under sampling head part lid inner face with relative in the ring cavity between the part step surface, be provided with the spring of at least two symmetric arrangement, spring one end is fixed on the big footpath side face of part tegmental wall internal diameter, the affixed fixture block of the other end of spring, the fixture block above and below reaches down with last step surface respectively, and part lid inner face is slidingly matched, the another side of fixture block is set to the inclined-plane parallel with the throw-out collar top, between two inclined-planes spacing is arranged, the step surface flush position of the step surface of part and joint external diameter on sampling head, sampling pipe and nipple tip thereof are pressed on the packing washer of part on the sampling head; The upper surface of part is fixed with the column of at least two symmetric arrangement on the sampling head, the bottom surface of the column other end and loam cake is movable fixing, the loam cake center is provided with tapped through hole and is provided with externally threaded hollow push rod with a lower end and connects, a slide bar that is stretched into and be slidingly matched with it by hollow push rod lower end is set, the affixed diameter in slide bar lower end is greater than the valve gap of spillway hole, and the valve gap bottom surface is provided with O-ring seal; Many of movable connections in push rod upper end and the isodiametric extension bar of push rod, employing activity hook joint between the every extension bar and between extension bar and the push rod, the hook joint place is provided with sliding sleeve, and the sliding sleeve two ends are provided with register pin, be equipped with radial direction through hole on the every extension bar and insert for hand pressure handle, the push rod upper end is provided with bridle port; The top of loam cake is provided with the weight of center pit, and slip cap is connected on the push rod, and weight is provided with the rope drop handle.
2, clip type deposit sampler according to claim 1 is characterized in that spring and fixture block are three, arrange along branches such as circumference; Column is four, arranged in squares.
3, clip type deposit sampler according to claim 1 and 2, the register pin that it is characterized in that the sliding sleeve two ends, the upper end is an elastic positioning pin, the lower end is a fixed locating stud, be separately positioned on the extension bar of two hook joints, the spring pin of the length of sleeve pipe and a last extension bar is to the Distance Matching of the fixed pin of next root extension bar.
4, clip type deposit sampler according to claim 1 and 2 is characterized in that being provided with buffering spacer between weight and the loam cake.
5, clip type deposit sampler according to claim 3 is characterized in that being provided with buffering spacer between weight and the loam cake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201598597U CN201269821Y (en) | 2008-10-23 | 2008-10-23 | Clip type sediment sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201598597U CN201269821Y (en) | 2008-10-23 | 2008-10-23 | Clip type sediment sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201269821Y true CN201269821Y (en) | 2009-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201598597U Expired - Lifetime CN201269821Y (en) | 2008-10-23 | 2008-10-23 | Clip type sediment sampling device |
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| Country | Link |
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| CN (1) | CN201269821Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063467A (en) * | 2012-12-17 | 2013-04-24 | 中交第一航务工程勘察设计院有限公司 | Rotary pressure valve undisturbed soil sampler |
| CN103439144A (en) * | 2013-08-09 | 2013-12-11 | 中国水产科学研究院南海水产研究所 | Underwater sediment sampler |
| CN105181376A (en) * | 2015-09-18 | 2015-12-23 | 国家深海基地管理中心 | Deep-sea sediment sampler loaded on underwater vehicle |
| CN106289875A (en) * | 2016-08-03 | 2017-01-04 | 广西大学 | A kind of underwater mud sampling linkage positioning device |
| CN107907361A (en) * | 2017-12-14 | 2018-04-13 | 中国科学院深海科学与工程研究所 | A kind of underwater sediment(s) sampler |
-
2008
- 2008-10-23 CN CNU2008201598597U patent/CN201269821Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063467A (en) * | 2012-12-17 | 2013-04-24 | 中交第一航务工程勘察设计院有限公司 | Rotary pressure valve undisturbed soil sampler |
| CN103439144A (en) * | 2013-08-09 | 2013-12-11 | 中国水产科学研究院南海水产研究所 | Underwater sediment sampler |
| CN105181376A (en) * | 2015-09-18 | 2015-12-23 | 国家深海基地管理中心 | Deep-sea sediment sampler loaded on underwater vehicle |
| CN105181376B8 (en) * | 2015-09-18 | 2018-10-23 | 国家深海基地管理中心 | A kind of underwater research vehicle carrying deep sea sediment sampler |
| CN106289875A (en) * | 2016-08-03 | 2017-01-04 | 广西大学 | A kind of underwater mud sampling linkage positioning device |
| CN106289875B (en) * | 2016-08-03 | 2019-01-04 | 广西大学 | A kind of underwater mud sampling linkage positioning device |
| CN107907361A (en) * | 2017-12-14 | 2018-04-13 | 中国科学院深海科学与工程研究所 | A kind of underwater sediment(s) sampler |
| CN107907361B (en) * | 2017-12-14 | 2024-01-16 | 中国科学院深海科学与工程研究所 | Underwater sediment sampling device |
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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: 20090708 Effective date of abandoning: 20081023 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090708 Effective date of abandoning: 20081023 |