CN112129574A - Marine environment water sample collector - Google Patents
Marine environment water sample collector Download PDFInfo
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- CN112129574A CN112129574A CN202010960757.0A CN202010960757A CN112129574A CN 112129574 A CN112129574 A CN 112129574A CN 202010960757 A CN202010960757 A CN 202010960757A CN 112129574 A CN112129574 A CN 112129574A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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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
- Y02A20/20—Controlling water pollution; Waste water treatment
Abstract
The invention discloses a marine environment water sample collector, which comprises a sampling cylinder and a manual valve type sealing mechanism, wherein the manual valve type sealing mechanism comprises a valve seat, a cone valve, a guide pipe and a lifting rod, a first compression spring is sleeved outside the cone valve, the upper end of the guide pipe is exposed out of the valve seat, the lower end of the guide pipe extends into the cone valve, the lifting rod and the guide pipe are in clearance fit, the lifting rod and a sealing end cover are in sealing sliding fit, and the upper end of the lifting rod is exposed out of the sealing end cover and is connected with a scale rope; the guide pipe positioned in the cone valve is provided with a bead clamping hole, a bead is arranged in the bead clamping hole, the lower part of the lifting rod is provided with an annular bead clamping accommodating groove, and the cone valve is provided with a bead clamping groove clamped with the bead clamping groove; the upper part of the lifting rod in the guide pipe is provided with a spring seat, and a spring is sleeved outside the lifting rod between the sealing end cover and the spring seat. The invention has the advantages of convenient operation, no restriction of field conditions in use, stability, reliability, good sealing property, flexible use, capability of realizing fixed-depth sampling and the like.
Description
Technical Field
The invention relates to a water sample collecting device, in particular to a marine environment water sample collector.
Background
When monitoring the marine environment, marine water quality monitoring is one of important monitoring items. The main detection items of the ocean water quality monitoring include salinity, heavy metals (mercury, cadmium, chromium and the like), total phosphorus, total nitrogen, suspended matters, transparency and the like. And water sample collection, namely sampling, is needed before the seawater is detected.
The existing sampling mode mainly comprises a bucket, a conventional acrylic or glass water sample collector and the like, the bucket is very inconvenient to sample, and only superficial water samples can be collected; and the conventional acrylic water sample collector is adopted, water can directly enter from the bottom after being thrown into water, a water sample with required depth cannot be collected, and the sealing property is poor.
In addition, application publication No.: CN106769223A, chinese patent application publication No. 2017.05.31 discloses an electromagnetic seawater sampling device, which comprises a sampling bottle and an automatic sampling mechanism, wherein the sampling bottle comprises an upper sealing cover, a sampling bottle body, a lower sealing cover and a central shaft, the central shaft sequentially penetrates through the centers of the upper sealing cover, the sampling bottle body and the lower sealing cover, the bottom of the lower sealing cover is fixedly connected with the central shaft, the upper sealing cover is connected with the sampling bottle body, the upper sealing cover is slidably connected with the central shaft, the upper sealing cover is located above the sampling bottle body, and the lower sealing cover is located below the sampling bottle body; automatic sampling mechanism includes electrical coil, pouring weight, connection folding rod, sleeve and pouring weight release unit, sleeve middle part and upper cover fixed connection, and the center pin setting is in the sleeve, and the sleeve slides from top to bottom along the center pin, the pouring weight sets up in the top of upper cover, and the pouring weight slides from top to bottom along the center pin, telescopic bottom is equipped with spacing arch, and the sleeve passes through spacing arch and is connected with the top of sample bottle. The sampling device has a complex structure, needs an external power supply, has higher requirements on use conditions and has poor use flexibility; in addition, when the opening of the fixed sleeve is attached with impurities, the sealing between the upper sealing cover and the fixed sleeve is easy to be untight.
Disclosure of Invention
The invention aims to solve the technical problems of the seawater sampling device in the prior art, and provides the marine environment water sample collector which is simple in structure, convenient to operate, stable and reliable, good in sealing performance, flexible to use and capable of realizing depth-fixed sampling, and the use is not limited by field conditions.
In order to achieve the purpose, the invention adopts the following technical scheme: a marine environment water sample collector comprises a sampling cylinder and a manual valve type sealing mechanism fixed at the upper end of the sampling cylinder, wherein the lower part of the sampling cylinder is provided with a water outlet; the manual valve type sealing mechanism comprises a valve seat, a cone valve, a guide pipe and a lifting rod; the valve seat is fixed at the upper end of the sampling cylinder in a sealing way, and an outlet at the lower end of the valve seat is communicated with the sampling cylinder; the cone valve is positioned in the valve seat and matched with the outlet of the valve seat, a first compression spring is sleeved outside the cone valve, the upper end of the first compression spring is fixedly connected with the valve seat, and the lower end of the first compression spring is fixedly connected with the cone valve; the guide pipe penetrates through the valve seat and is fixedly matched with the valve seat in a sealing manner, the upper end of the guide pipe is exposed out of the valve seat, the lower end of the guide pipe extends into the cone valve, and a sealing end cover is fixed at the upper end of the guide pipe; the lifting rod is positioned in the guide pipe, the lifting rod is in clearance fit with the guide pipe, the lifting rod is in sealing sliding fit with the sealing end cover, and the upper end of the lifting rod is exposed out of the sealing end cover and is connected with a scale rope; the guide pipe positioned in the cone valve is provided with a bead clamping hole, a bead is arranged in the bead clamping hole, the lower part of the lifting rod is provided with an annular bead clamping accommodating groove, and the cone valve is provided with a bead clamping groove clamped with the bead clamping groove; a spring seat is arranged at the upper part of the lifting rod in the guide pipe, the spring seat is in sliding fit with the inner wall of the guide pipe, a spring is sleeved outside the lifting rod between the sealing end cover and the spring seat, the upper end of the spring is fixedly connected with the sealing end cover, the lower end of the spring is fixedly connected with the spring seat, when the spring is in a natural state, the clamping beads are clamped into the clamping beads and are clamped with the clamping bead grooves, the lifting rod is in contact with the clamping beads, the first compression spring is in a compression state, and an outlet at the lower end of the valve; the outer side of the valve seat is provided with a manual trigger type water inlet valve communicated with the valve seat. The built-in manual valve type sealing mechanism is specially designed in consideration of the use environment and the sealing effect, the manual valve type sealing mechanism does not act when the water sampling cylinder samples water so as to facilitate the water sampling of the sampling cylinder, and the manual valve type sealing mechanism is manually closed to seal the water sampling cylinder after the water sampling cylinder samples water, so that the water leakage of the water sampling cylinder in the lifting process is avoided; in the manual valve type sealing mechanism, a water sample flows into a water collecting cylinder through an outlet at the lower end of a valve seat, before and during water collection, a clamping bead in a guide pipe is clamped into a bead clamping groove to hang a cone valve, and the outlet at the lower end of the valve seat is kept in an open state; after water is collected, when the lifting rod is quickly pulled upwards, the lifting rod moves upwards (the spring is compressed), when the ball clamping accommodating groove moves to the position of a ball clamping position, the clamping ball contracts into the ball clamping accommodating groove and withdraws from the ball clamping groove, the cone valve quickly moves downwards under the action of the first compression spring, the cone valve is matched with an outlet at the lower end of the valve seat to form conical surface sealing, so that the outlet at the lower end of the valve seat is closed, the outlet at the lower end of the valve seat can be always kept sealed in the lifting process of the water collecting cylinder, water cannot leak, the sealing performance of the conical surface sealing is good, and the first compression spring ensures that the outlet at the lower end of the; the spring seat is used for supporting the spring, has a limiting effect and can prevent the lifting rod from shaking; the spring can limit the upward movement of the lifting rod, so that the false triggering of the cone valve is avoided; the scale rope is marked with scales, and the sinking depth of the water collecting cylinder can be directly observed so as to facilitate depth-fixed sampling; the manual trigger type water inlet valve is opened through manual control, the operation is very convenient, and after the water collecting cylinder sinks to the required depth, the manual trigger type water inlet valve is opened only through manual operation, so that a water sample can flow into the valve seat and flow into the water collecting cylinder through an outlet at the lower end of the valve seat.
Preferably, the manual trigger type water inlet valve comprises a valve body, a sealing ball, a spring limiting sleeve, a release pin and a release lever, wherein the valve body is fixedly connected with the valve seat and communicated with the valve seat, a ball support is fixed in the valve body, a through hole is formed in the outer circumferential surface of the ball support, a valve cover is fixed at the outer end of the valve body, a water inlet is formed in the valve cover, the spring limiting sleeve is fixed at the inner side of the valve cover and communicated with the water inlet, the sealing ball is positioned between the spring limiting sleeve and the ball support, a second compression spring is arranged in the spring limiting sleeve, one end of the second compression spring is fixedly connected with the sealing ball, the other end of the second compression spring is fixedly connected with the valve cover, the release lever penetrates through the water inlet, the diameter of the release lever is smaller than that of the water inlet, one end of, the upper end of the release pin is connected with a pull rope, when the manual trigger type water inlet valve is in a closed state, the lower end of the release pin is inserted into the pin hole, the release pin and the valve cover are in blocking interference, the second compression spring is in a compression state, and the sealing ball is in sealing fit with the spring limiting sleeve. The manual trigger type water inlet valve is quite ingenious in structure, the release pin is inserted into the pin hole, the release pin and the valve cover generate blocking interference, the second compression spring is in a compression state at the moment, the sealing ball is in sealing fit with the spring limiting sleeve, and water flow cannot flow into the valve body through the spring limiting sleeve (the outlet of the spring limiting sleeve is closed); when the release pin is pulled out, the sealing ball is pushed to the ball support under the action of the second compression spring and is blocked and limited by the ball support, the outlet of the spring limiting sleeve is opened at the moment, water flows into the valve seat through the water inlet, the spring limiting sleeve and the through hole, and finally flows into the water collection barrel through the outlet at the lower end of the valve seat for collection; and the release lever is pulled outwards until the pin hole is exposed out of the valve cover, and then the release pin is inserted into the pin hole to enable the release pin to generate blocking interference with the valve cover, so that the manual trigger type water inlet valve is restored to the closed state.
Preferably, the ball support is of a circular tubular structure, a connecting flange is arranged at one end, far away from the sealing ball, of the ball support, the connecting flange is fixedly connected with the inner wall of the valve body, and a water collecting cavity is formed by the connecting flange, the ball support and the inner wall of the valve body. The water collecting cavity is favorable for water flow to quickly enter the through hole.
Preferably, the left side and the right side of the release lever are provided with a plug screw, a polished rod part of the plug screw penetrates through the outer pulling plate and is in sliding fit with the outer pulling plate, and a screw rod part of the plug screw is in threaded connection with the valve cover. The plug screw plays the effect of direction, spacing and location, can guarantee that the ball sealer keeps linear motion all the time, avoids the release lever to take place to rotate simultaneously to enable the pinhole position can not take place to deflect up all the time.
Preferably, a pilot ring is further fixed on the valve cover, the pull rope penetrates through the pilot ring, and the inner diameter of the pilot ring is matched with the diameter of the release pin. The guide ring ensures that when the pull rope is pulled from different directions, the pull direction of the pull rope applied to the release pin is always upward, so that the release pin can be quickly pulled out from the pin hole.
Preferably, the ball clamping hole is of a necking structure with a small outer part and a large inner part. The ball clamping hole is of a necking structure with a small outside and a large inside, so that the clamping ball can smoothly exit from the ball clamping groove and enter the ball clamping accommodating groove.
Preferably, flanges are arranged on the outer side edge of the lower end of the valve seat and the outer side edge of the upper end of the sampling cylinder, and the valve seat and the sampling cylinder are fixedly connected through bolts penetrating through the flanges. The valve seat and the sampling cylinder are connected through bolts penetrating through the turned edges in a fastening mode, and the valve seat and the sampling cylinder are convenient to disassemble and assemble.
Preferably, a rope ring is fixed at the upper end of the lifting rod, and the scale rope is fixed on the rope ring.
Preferably, a counterweight structure is fixed at the lower end of the sampling cylinder, the counterweight structure comprises a fastening flange fixed at the outer edge of the lower end of the sampling cylinder, a counterweight block and a bottom plate, the counterweight block is placed on the bottom plate, and the counterweight block is fastened between the bottom plate and the sampling cylinder through connecting bolts distributed on the fastening flange along the circumference. The balancing weight is fastened between the bottom plate and the sampling cylinder through the connecting bolts distributed on the fastening turned edge along the circumference, so that different balancing weights can be added according to the sinking speed and the stability during sinking, and the balancing weight is very convenient to mount.
Preferably, guide inclined planes are arranged on two sides of the opening of the clamping bead accommodating groove. The guide inclined plane is convenient for the card pearl to move back into fast in the card pearl holding tank to guarantee the normal action of cone valve.
Therefore, the invention has the following beneficial effects: the sampling device comprises a manual valve type sealing mechanism and a manual trigger type water inlet valve, a sampling cylinder is slowly placed to a required depth through a scale rope, and a pull rope is pulled to pull a release pin out of a pin hole for sampling; the quick upwards pulling scale rope of sampling back can make and will adopt a water drum sealed, can not leak promoting the in-process, has convenient operation, uses not restricted by site conditions, and is reliable and stable, and the leakproofness is good, uses in a flexible way, can realize advantages such as depthkeeping sample.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is an enlarged view at B in fig. 1.
Fig. 4 is a schematic view of the connection between the outer pulling plate and the tuck screw according to the present invention.
In the figure: the sampling tube 1, the water outlet 2, the valve seat 3, the cone valve 4, the guide pipe 5, the lifting rod 6, the first compression spring 7, the sealing end cover 8, the scale rope 9, the clamping bead hole 10, the clamping bead 11, the clamping bead accommodating groove 12, the clamping bead groove 13, the spring seat 14, the spring 15, the valve body 16, the sealing ball 17, the spring limiting sleeve 18, the release pin 19, the release lever 20, the ball support 21, the through hole 22, the valve cover 23, the water inlet 24, the second compression spring 25, the outer pull plate 26, the pull rope 27, the connecting flange 28, the water collecting cavity 29, the plug screw 30, the guide ring 31, the flange 32, the rope ring 33, the fastening flange 34, the balancing weight 35, the connecting bolt 37, the bottom plate 36 and the guide inclined plane 38.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
The marine environment water sample collector shown in figure 1 comprises a sampling cylinder 1 and a manual valve type sealing mechanism fixed at the upper end of the sampling cylinder, wherein the lower part of the sampling cylinder is provided with a water outlet 2, and a sealing cap is screwed on the water outlet; a counterweight structure is fixed at the lower end of the sampling cylinder, the counterweight structure comprises a fastening flange 34 fixed at the outer edge of the lower end of the sampling cylinder, a counterweight 35 and a bottom plate 36, the counterweight is placed on the bottom plate, and the counterweight is fastened between the bottom plate and the sampling cylinder through connecting bolts 37 distributed on the fastening flange along the circumference; the manual valve type sealing mechanism comprises a valve seat 3, a cone valve 4, a guide pipe 5 and a lifting rod 6 (shown in figure 2); the valve seat is positioned at the upper end of the sampling cylinder, the outer edge of the lower end of the valve seat and the outer edge of the upper end of the sampling cylinder extend to form a flange 32, the valve seat and the sampling cylinder are fastened and hermetically connected through bolts penetrating through the flanges, an outlet at the lower end of the valve seat is communicated with the sampling cylinder, and the sampling cylinder, the valve seat, the cone valve, the guide pipe and the lifting rod are all made of stainless steel materials; the cone valve is positioned in the valve seat and matched with the outlet of the valve seat, a first compression spring 7 is sleeved outside the cone valve, the upper end of the first compression spring is fixedly connected with the valve seat, and the lower end of the first compression spring is fixedly connected with the cone valve; the guide pipe penetrates through the valve seat and is fixedly matched with the valve seat in a sealing manner, the upper end of the guide pipe is exposed out of the valve seat, the lower end of the guide pipe extends into the cone valve, and a sealing end cover 8 is fixed at the upper end of the guide pipe; the lifting rod is positioned in the guide pipe, the lifting rod is in clearance fit with the guide pipe, the lifting rod is in sealing sliding fit with the sealing end cover, the upper end of the lifting rod is exposed out of the sealing end cover and is fixed with a rope ring 33, and the rope ring is connected with a scale rope 9; a pair of clamping bead holes 10 are symmetrically formed in the guide pipe positioned in the cone valve, each clamping bead hole is of a necking structure with a small outer part and a large inner part, a clamping bead 11 is arranged in each clamping bead hole, and a clamping bead groove 13 clamped with the clamping bead is formed in the cone valve; the lower part of the lifting rod is provided with an annular clamping bead accommodating groove 12, and two sides of the opening of the clamping bead accommodating groove are provided with guide inclined planes 38; a spring seat 14 is arranged at the upper part of the lifting rod in the guide pipe, the spring seat is a convex ring protruding out of the outer peripheral surface of the lifting rod, the spring seat is in sliding fit with the inner wall of the guide pipe, a spring 15 is sleeved outside the lifting rod between the sealing end cover and the spring seat, the upper end of the spring is fixedly connected with the sealing end cover, the lower end of the spring is fixedly connected with the spring seat, when the spring is in a natural state, the clamping beads are clamped into the clamping beads and are clamped with the clamping bead grooves, the lifting rod is in contact with the clamping beads, the first compression spring is in a compression state; the outer side of the valve seat is provided with a manual trigger type water inlet valve communicated with the valve seat, the manual trigger type water inlet valve comprises a valve body 16, a sealing ball 17, a spring limiting sleeve 18, a release pin 19 and a release lever 20 (shown in figure 3), the valve body is fixedly connected with the valve seat and communicated with the valve seat, a ball support 21 is fixed in the valve body, the ball support is of a circular tubular structure, one end of the ball support, away from the sealing ball, is fixedly provided with a connecting flange 28, the connecting flange is fixedly connected with the inner wall of the valve body, the connecting flange, the space between the ball support and the inner wall of the valve body form a water collecting cavity 29, the outer circumferential surface of the ball support is provided with a through hole 22, the outer end of the valve body is fixedly provided with a valve cover 23, the valve cover is provided with a water inlet 24, the spring limiting sleeve is fixed on the inner side of the valve cover and communicated with the water, the other end of the second compression spring is fixedly connected with the valve cover, the release lever penetrates through the water inlet, the diameter of the release lever is smaller than that of the water inlet, one end of the release lever is fixedly connected with the sealing ball, the other end of the release lever is exposed out of the valve cover and is fixedly connected with an outer pull plate 26, the left side and the right side of the release lever are provided with a plug screw 30 (shown in figure 4) in a penetrating mode, a polished rod portion of the plug screw penetrates through the outer pull plate and is in sliding fit with the outer pull plate, and a screw rod portion; the release lever is provided with a pin hole, the upper end of the release pin is connected with a pull rope 27, a guide ring 31 is fixed on the upper outer side surface of the valve cover, the guide ring is positioned above the release pin, the inner diameter of the guide ring is matched with the diameter of the release pin, when the manual trigger type water inlet valve is in a closed state, the lower end of the release pin is inserted into the pin hole, the pull rope penetrates through the guide ring, the release pin and the valve cover are blocked and interfered, the second compression spring is in a compression state, and the sealing ball is in sealing fit with the spring limiting sleeve.
The using method and the working principle of the invention are as follows: before use, the manual valve type sealing mechanism is confirmed to be in an open state, and the manual trigger type water inlet valve is in a closed state; when sampling is needed, the device is thrown into seawater to slowly sink, the sinking depth is judged according to the scales on the scale rope in the sinking process, when the required sampling depth is reached, the scale rope is fixed, the pull rope is quickly pulled to pull the release pin out of the pin hole, the sealing ball is pushed to the ball support under the action of the second compression spring and is blocked and limited by the ball support, the outlet of the spring limiting sleeve is opened at the moment, water flows into the valve seat through the water inlet, the spring limiting sleeve, the water collecting cavity and the through hole, and finally flows into the water collecting barrel through the outlet at the lower end of the valve seat to be collected; adopt water to a certain time after, upwards quick, stimulate the scale rope hard, the lifting rod is upward movement (messenger spring compression) under the effect of scale rope, treat card pearl holding tank on the lifting rod and move when card pearl position department, the card pearl contracts and withdraws from in the card pearl holding tank and from blocking the pearl inslot, the cone valve loses the limiting displacement who blocks the pearl and quick downstream to the export of disk seat lower extreme under first compression spring's effect, thereby form the conical surface with the export cooperation of disk seat lower extreme and seal the export of disk seat lower extreme and close, alright this moment will adopt a water section of thick bamboo to mention from the sea water through the scale rope.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (10)
1. A marine environment water sample collector is characterized by comprising a sampling cylinder (1) and a manual valve type sealing mechanism fixed at the upper end of the sampling cylinder, wherein the lower part of the sampling cylinder is provided with a water outlet (2); the manual valve type sealing mechanism comprises a valve seat (3), a cone valve (4), a guide pipe (5) and a lifting rod (6); the valve seat is fixed at the upper end of the sampling cylinder in a sealing way, and an outlet at the lower end of the valve seat is communicated with the sampling cylinder; the cone valve is positioned in the valve seat and matched with the outlet of the valve seat, a first compression spring (7) is sleeved outside the cone valve, the upper end of the first compression spring is fixedly connected with the valve seat, and the lower end of the first compression spring is fixedly connected with the cone valve; the guide pipe penetrates through the valve seat and is fixedly matched with the valve seat in a sealing manner, the upper end of the guide pipe is exposed out of the valve seat, the lower end of the guide pipe extends into the cone valve, and a sealing end cover (8) is fixed at the upper end of the guide pipe; the lifting rod is positioned in the guide pipe, the lifting rod is in clearance fit with the guide pipe, the lifting rod is in sealing sliding fit with the sealing end cover, and the upper end of the lifting rod is exposed out of the sealing end cover and is connected with a scale rope (9); a bead clamping hole (10) is formed in the guide pipe positioned in the cone valve, a bead clamping (11) is arranged in the bead clamping hole, an annular bead clamping accommodating groove (12) is formed in the lower portion of the lifting rod, and a bead clamping groove (13) clamped with the bead clamping is formed in the cone valve; a spring seat (14) is arranged at the upper part of the lifting rod in the guide pipe, the spring seat is in sliding fit with the inner wall of the guide pipe, a spring (15) is sleeved outside the lifting rod between the sealing end cover and the spring seat, the upper end of the spring is fixedly connected with the sealing end cover, the lower end of the spring is fixedly connected with the spring seat, when the spring is in a natural state, the clamping beads are clamped into the clamping beads and are clamped with the clamping bead grooves, the lifting rod is in contact with the clamping beads, the first compression spring is in a compression state, and an outlet at the lower end of; the outer side of the valve seat is provided with a manual trigger type water inlet valve communicated with the valve seat.
2. The marine environment water sample collector as claimed in claim 1, wherein the manual trigger type water inlet valve comprises a valve body (16), a sealing ball (17), a spring limiting sleeve (18), a release pin (19) and a release lever (20), the valve body is fixedly connected with the valve seat and communicated with the valve seat, a ball support (21) is fixed in the valve body, a through hole (22) is formed in the outer circumferential surface of the ball support, a valve cover (23) is fixed at the outer end of the valve body, a water inlet (24) is formed in the valve cover, the spring limiting sleeve is fixed on the inner side of the valve cover and communicated with the water inlet, the sealing ball is located between the spring limiting sleeve and the ball support, a second compression spring (25) is arranged in the spring limiting sleeve, one end of the second compression spring is fixedly connected with the sealing ball, the other end of the second compression spring is fixedly, the diameter of the release lever is smaller than the diameter of a water inlet, one end of the release lever is fixedly connected with the sealing ball, the other end of the release lever is exposed out of the valve cover and is fixedly connected with an outer pull plate (26), the release lever is provided with a pin hole, the upper end of the release pin is connected with a pull rope (27), when the manual trigger type water inlet valve is in a closed state, the lower end of the release pin is inserted into the pin hole, the release pin and the valve cover are blocked and interfered, the second compression spring is in a compression state, and the sealing ball is in sealing fit.
3. The marine environment water sample collector as claimed in claim 2, wherein the ball support is of a circular tubular structure, a connecting flange (28) is arranged at one end of the ball support, which is far away from the sealing ball, the connecting flange is fixedly connected with the inner wall of the valve body, and a water collecting cavity (29) is formed by the connecting flange, the space between the ball support and the inner wall of the valve body.
4. The marine environment water sample collector as claimed in claim 2, wherein the left side and the right side of the release lever are provided with a plug screw (30), a polished rod part of the plug screw penetrates through the outer pulling plate and is in sliding fit with the outer pulling plate, and a screw rod part of the plug screw is in threaded connection with the valve cover.
5. The marine environment water sample collector as claimed in claim 2, wherein a correction ring (31) is further fixed on the valve cover, the pull rope passes through the correction ring, and the inner diameter of the correction ring is matched with the diameter of the release pin.
6. The marine environment water sample collector as claimed in claim 1, wherein the ball clamping hole is a necking structure with a small outside and a large inside.
7. The marine environment water sample collector as claimed in claim 1, wherein flanges (32) are arranged on the outer side edge of the lower end of the valve seat and the outer side edge of the upper end of the sampling cylinder, and the valve seat and the sampling cylinder are connected through bolts penetrating through the flanges in a fastening manner.
8. The marine environment water sample collector as claimed in claim 1, wherein a rope loop (33) is fixed at the upper end of the lifting rod, and the calibration rope is fixed on the rope loop.
9. The marine environment water sample collector as claimed in claim 1, wherein a counterweight structure is fixed to the lower end of the sampling cylinder, the counterweight structure comprises a fastening flange (34) fixed to the outer edge of the lower end of the sampling cylinder, a counterweight block (35) and a bottom plate (36), the counterweight block is placed on the bottom plate, and the counterweight block is fastened between the bottom plate and the sampling cylinder through connecting bolts (37) circumferentially distributed on the fastening flange.
10. The marine environment water sample collector as claimed in claim 1, wherein guide slopes (38) are arranged on two sides of the opening of the clamping bead accommodating groove.
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| CN202010960757.0A CN112129574B (en) | 2020-09-14 | 2020-09-14 | Marine environment water sample collector |
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| CN202010960757.0A CN112129574B (en) | 2020-09-14 | 2020-09-14 | Marine environment water sample collector |
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| CN112129574A true CN112129574A (en) | 2020-12-25 |
| CN112129574B CN112129574B (en) | 2022-08-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113907292A (en) * | 2021-10-15 | 2022-01-11 | 浙江大学舟山海洋研究中心 | A popped device of low temperature high pressure for crisp fish piece processing |
| CN114184428A (en) * | 2021-11-23 | 2022-03-15 | 浙江省海洋水产研究所 | Seawater sampling device |
| CN114184415A (en) * | 2021-11-25 | 2022-03-15 | 浙江省海洋水产研究所 | Handheld sampling device for marine shallow sediment |
| CN114643235A (en) * | 2022-03-31 | 2022-06-21 | 中国电建集团北京勘测设计研究院有限公司 | Cleaning device for small-hole rock powder silt in rock stress measurement |
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| CN114184428A (en) * | 2021-11-23 | 2022-03-15 | 浙江省海洋水产研究所 | Seawater sampling device |
| CN114184428B (en) * | 2021-11-23 | 2023-09-26 | 浙江省海洋水产研究所 | Seawater sampling device |
| CN114184415A (en) * | 2021-11-25 | 2022-03-15 | 浙江省海洋水产研究所 | Handheld sampling device for marine shallow sediment |
| CN114184415B (en) * | 2021-11-25 | 2024-03-15 | 浙江省海洋水产研究所 | Handheld ocean shallow sediment sampling device |
| CN114643235A (en) * | 2022-03-31 | 2022-06-21 | 中国电建集团北京勘测设计研究院有限公司 | Cleaning device for small-hole rock powder silt in rock stress measurement |
| CN114643235B (en) * | 2022-03-31 | 2023-10-20 | 中国电建集团北京勘测设计研究院有限公司 | Cleaning device for small and medium Kong Yanfen sediment in rock mass stress measurement |
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