CN111076985A

CN111076985A - Multi-depth water body water sampler

Info

Publication number: CN111076985A
Application number: CN202010012439.1A
Authority: CN
Inventors: 曹艺灵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-04-28

Abstract

The invention relates to a water sampler, in particular to a multi-depth water sampler. The technical problem is how to design a multi-depth water sampler which can be convenient for people to collect water at different depths, does not need to submerge into water and is labor-saving. A multi-depth water sampler comprises a cylinder body, wherein six sliding chutes are distributed at intervals in the circumferential direction of the cylinder body, and the sliding chutes are arranged in a staggered manner; and the clamping mechanism is arranged at one end of the cylinder body and is used for playing a clamping role. According to the invention, the clamping block is separated from the tooth block by pulling the handle, the hollow rod is pulled to adjust the position of the water pumping cylinder, the cylinder body is inserted into the lake, and the pulling plate is pulled, so that the piston can pump water into the water pumping cylinder.

Description

Multi-depth water body water sampler

Technical Field

The invention relates to a water sampler, in particular to a multi-depth water sampler.

Background

The water sample collection and preservation means that water samples in a farmland ecosystem generally comprise rainwater, irrigation water, runoff water, soil seepage water and the like, and the water samples are sampled and preserved according to the requirements of research. The rainwater can be collected from a rain measuring cylinder of a weather station, or the rain measuring cylinder is placed in the open air by a container, and a water sample is received when the rain falls; the collection of irrigation water is preferably carried out in irrigation ditches, or samples are taken from water sources such as reservoirs, hills, rivers, wells and the like, and samples are not taken from rice fields which are fertilized; the runoff water can be taken from a water outlet of the device for measuring the runoff; the soil leakage water can be collected by burying underground drainage pipes or establishing drainage collectors, and when the lake water quality is detected, the collectors are required to take out the water in the lake for detection so as to know that the lake water quality is unqualified.

At present, people all gather the water on lake surface by holding the collector, because the lake is darker, in order to guarantee the quality of lake water, all need gather the water of the different degree of depth of lake, then need people to dive in the aquatic and gather water, so the operation is more troublesome to because need gather the water of the different degree of depth, the people need constantly dive in to the aquatic of the different degree of depth, it is harder.

Therefore, a multi-depth water sampler which can be convenient for people to collect water at different depths, does not need to submerge into water and is labor-saving is particularly needed, so that the problems in the prior art are solved.

Disclosure of Invention

Gather water in order to overcome and need people to dive into the aquatic, the operation is more troublesome to need gather the water of the different degree of depth, people need constantly dive into to the aquatic of the different degree of depth, more laborious shortcoming, technical problem: the water sampler for the water body with multiple depths can be convenient for people to collect water with different depths, does not need to submerge into water, and is labor-saving.

The technical scheme is as follows: a multi-depth water sampler comprises: the cylinder body is circumferentially provided with six sliding chutes at intervals, and the sliding chutes are arranged in a staggered manner; the clamping mechanism is arranged at one end of the cylinder body and is used for playing a clamping role; and the water collecting mechanism is arranged between the inner side in the cylinder body and the sliding groove, is matched with the clamping mechanism and is used for collecting water at different depths.

Preferably, the clamping mechanism comprises a circular ring, a handle, a clamping block and a first spring, an arc-shaped groove corresponding to the sliding groove is formed in one side of the barrel at intervals in the circumferential direction, the clamping block matched with the water sampling mechanism is slidably placed in the arc-shaped groove, the circular ring is fixedly connected between the end portions of the clamping block far away from the water sampling mechanism, the handle is installed on one side outside the circular ring, and the first spring is connected between the inner side of the arc-shaped groove and one side of the clamping block.

Preferably, the water sampling mechanism comprises a hollow rod, a toothed block, a sliding rod, a pulling plate, a contact plate, a disc, a support rod, a water pumping cylinder, a piston, a movable rod, a T-shaped rod and a second spring, the disc is in sliding type penetration connection with the sliding groove, clamping grooves are symmetrically formed in one side of the disc facing the circular ring, the T-shaped rod is in sliding type placement in the clamping grooves and matched with the T-shaped rod, the number of the support rods is at least two, the support rods are installed at the end part of the T-shaped rod facing the circular ring, the water pumping cylinder is installed between the end parts of the support rods on two sides far away from the disc, the piston is in sliding type placement in the water pumping cylinder, the movable rod is fixedly connected at the circle center position on one side of the disc facing the movable rod, the end part of the movable rod penetrates through the middle part on one side of the water pumping cylinder close to the disc, the end part of the, its one end with be connected with the second spring between one side in the hollow rod, the other end rigid coupling has the arm-tie, with sliding rod complex contact plate sliding type cross-under in the hollow rod one side of being close to the disc, its tip of keeping away from branch with slide bar one side fixed connection who is close to the second spring, with fixture block complex tooth piece interval distribution in be close to the outer one side of hollow rod of ring, it with the fixture block contact.

Preferably, the clamping device further comprises a fixing mechanism, the fixing mechanism comprises a nut, a rotating rod, an L-shaped swinging plate, a fixing plate, a third spring and a contact wheel, through holes are formed in the circumferential direction of one side of the cylinder body far away from the pulling plate at intervals, the L-shaped swinging plate corresponding to the through holes is distributed in the circumferential direction of the inner side of the cylinder body close to the through holes at intervals and is located in the through holes, the number of the fixing plates is at least six, the fixing plates are distributed in the circumferential direction of the inner side of the cylinder body close to the through holes at intervals and correspond to the L-shaped swinging plate, the third spring is connected between one side of the fixing plate far away from the through holes and one side of the L-shaped swinging plate far away from the pulling plate, the nut is installed on one side of the cylinder body close to the clamping block, the rotating rod is rotatably connected in the nut in a penetrating mode and is matched with the nut through threads, which is in contact fit with the outer side of the L-shaped swinging plate away from the third spring.

As preferred, still including kelly, push pedal, fourth spring and snap ring, the articulated of movable rod one side symmetry formula that is close to the disc has the kelly, and its tip rigid coupling towards the disc has the push pedal, the fourth spring connect in push pedal one side towards the movable rod with between the movable rod one side, with kelly complex snap ring install in one side outside the jar is drawn water to the disc towards, just the movable rod passes the snap ring.

Preferably, the T-shaped rod clamping device further comprises a movable plate and a fifth spring, the fifth spring is distributed on one side, far away from the support rod, of the clamping groove at intervals, the movable plate capable of clamping the T-shaped rod is placed in the clamping groove in a sliding mode, and one side, far away from the support rod, of the movable plate is fixedly connected with the tail end of the fifth spring.

The beneficial effects are that: according to the invention, the clamping block is separated from the tooth block by pulling the handle, the hollow rod is pulled to adjust the position of the water pumping cylinder, the cylinder body is inserted into a lake, and the pulling plate is pulled, so that the piston can pump water into the water pumping cylinder.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic bottom view of the present invention.

FIG. 3 is a schematic view of a first partial body structure according to the present invention.

FIG. 4 is a schematic view of a second partial body structure according to the present invention.

Fig. 5 is a perspective view of a third embodiment of the present invention.

Fig. 6 is an enlarged schematic view of part a of the present invention.

Fig. 7 is an enlarged view of part B of the present invention.

Fig. 8 is an enlarged schematic view of part C of the present invention.

Description of reference numerals: 1 … cylinder, 2 … sliding groove, 3 … clamping mechanism, 31 … circular ring, 32 … handle, 33 … arc groove, 34 … clamping block, 35 … first spring, 4 … water collecting mechanism, 41 … hollow rod, 42 … tooth block, 43 … sliding rod, 44 … pulling plate, 45 … contact plate, 46 … circular disk, 47 … supporting rod, 48 … clamping groove, 49 … pumping cylinder, 410 … piston, 411 … movable rod, 412 … T type rod, 413 … second spring, 5 … fixing mechanism, 51 … nut, 52 … rotating rod, 53 … L type swinging plate, 54 … through hole, 55 … fixing plate, 56 … third spring, 57 … contact wheel, 6 … clamping rod, 7 … push plate, 8 … fourth spring, 9 clamping ring 9 …, 10 …, 11 … fifth spring.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.

Example 1

Referring to fig. 1-6, the multi-depth water sampler comprises a cylinder body 1, a clamping mechanism 3 and a water collecting mechanism 4, wherein six sliding grooves 2 are uniformly arranged at intervals in the circumferential direction of the cylinder body 1, each sliding groove 2 is arranged in a staggered manner, the water collecting mechanism 4 is arranged between the inside of the cylinder body 1 and the corresponding sliding groove 2, the clamping mechanism 3 is arranged at the upper part of the cylinder body 1, and the clamping mechanism 3 is in contact fit with the water collecting mechanism 4.

The clamping mechanism 3 comprises a circular ring 31, a handle 32, a clamping block 34 and a first spring 35, six arc-shaped grooves 33 are formed in the upper portion of the barrel 1 at even intervals in the circumferential direction, the arc-shaped grooves 33 correspond to the sliding grooves 2, the clamping block 34 is arranged in the arc-shaped grooves 33 in a sliding mode, the inner ends of the clamping blocks 34 are in contact fit with the water collecting mechanism 4, the first spring 35 is connected between the right side face of the clamping block 34 and the right side face of the arc-shaped grooves 33, the circular ring 31 is fixedly connected between the outer ends of the six clamping blocks 34, and the handle 32 is fixedly connected to the.

The water sampling mechanism 4 comprises a hollow rod 41, a tooth block 42, a sliding rod 43, a pulling plate 44, a contact plate 45, a disc 46, a supporting rod 47, a water pumping cylinder 49, a piston 410, a movable rod 411, a T-shaped rod 412 and a second spring 413, the sliding groove 2 is internally provided with the disc 46 in a sliding way, the top of the disc 46 is provided with a clamping groove 48 in an eccentric position symmetrical way, the clamping groove 48 is internally provided with the T-shaped rod 412 in a sliding way, the top end of the T-shaped rod 412 is fixedly connected with the supporting rod 47, the water pumping cylinder 49 is fixedly connected between the top ends of the two supporting rods 47, the water pumping cylinder 49 is internally provided with the piston 410 in a sliding way, the middle of the bottom of the piston 410 is fixedly connected with the movable rod 411, the bottom end of the movable rod 411 penetrates through the circle center of the bottom of the water pumping cylinder 49 and is positioned above the disc 46, the inner end of the disc 46 is fixedly connected with the hollow rod 41, the tooth block 42 is fixedly connected with, the top end of the sliding rod 43 is fixedly connected with a pulling plate 44, the lower part of the outer side of the sliding rod 43 is fixedly connected with a contact plate 45, the contact plate 45 penetrates through the hollow rod 41 to be matched with the hollow rod in a sliding mode, and the contact plate 45 is located below the movable rod 411 to be matched with the movable rod.

Firstly, an operator pulls the clamping mechanism 3 to loosen the water collecting mechanism 4, then pulls the water collecting mechanism 4 to move to a proper position as required, when the water collecting mechanism 4 moves to the proper position, the pulling of the water collecting mechanism 4 is stopped, the clamping mechanism 3 is loosened, the clamping mechanism 3 also fixes the water collecting mechanism 4, the barrel 1 can be inserted into a lake, the barrel 1 drives the water collecting mechanism 4 to move into the lake, and then the water collecting mechanism 4 is pulled to move upwards to pump water into the lake, so that water is collected. After water is collected, the cylinder body 1 is pulled to move upwards to be separated from the lake, and the collected water is taken down from the water collecting mechanism 4.

Firstly, an operator pulls the handle 32 to rotate reversely, the handle 32 rotates reversely to drive the circular ring 31 to rotate reversely, the circular ring 31 rotates reversely to drive the clamping block 34 to rotate reversely, the first spring 35 is compressed, when the clamping block 34 rotates reversely to be separated from the water collecting mechanism 4, the handle 32 is stopped being pulled, the water collecting mechanism 4 can be pulled to move to a proper position, after the water collecting mechanism 4 moves to a proper position, the handle 32 is loosened, the clamping block 34 rotates reversely to reset to be contacted with the water collecting mechanism 4 under the action of the first spring 35, and then the clamping block 34 fixes the water collecting mechanism 4, so that water collection can be started.

When an operator pulls the handle 32 to rotate reversely, the fixture block 34 rotates reversely to be separated from the tooth block 42, the six hollow rods 41 can be pulled to move up and down, the hollow rods 41 move up and down to drive the disc 46 to move up and down, the disc 46 moves up and down to drive the water pumping cylinder 49 to move up and down through the supporting rod 47, when the water pumping cylinder 49 moves up and down to a proper position, the hollow rods 41 are stopped being pulled, the handle 32 is loosened, the fixture block 34 rotates forwards and returns to be meshed with the tooth block 42 to fix the hollow rods 41 again, and therefore the six hollow rods 41 can be located at different positions according to requirements, and the water pumping cylinder 49 can be located at different. When the cylinder 1 is inserted into a lake, the water pumping cylinder 49 is contacted with water, an operator can pull the pulling plate 44 to move upwards, the pulling plate 44 moves upwards to drive the sliding rod 43 to move upwards, the second spring 413 is stretched, the sliding rod 43 moves upwards to drive the contact plate 45 to move upwards, the contact plate 45 moves upwards to drive the movable rod 411 to move upwards, the movable rod 411 moves upwards to drive the piston 410 to move upwards, the piston 410 moves upwards to pump the water in the lake into the water pumping cylinder 49, when the piston 410 moves upwards to the maximum stroke, the pulling plate 44 is loosened, the sliding rod 43 moves downwards to drive the contact plate 45 to move downwards to reset under the action of the second spring 413, the contact plate 45 is separated from the movable rod 411, the cylinder 1 is taken out from the lake, the twisting water pumping cylinder 49 rotates reversely, the water pumping cylinder 49 rotates reversely to drive the T-shaped rod 412 to rotate reversely through the supporting rod 47, and the T-shaped rod 412 rotates, stopping twisting the water pumping cylinder 49, taking the water pumping cylinder 49 off the disc 46, separating the T-shaped rod 412 from the clamping groove 48, moving the water pumping cylinder 49 to the side of the collecting container, pulling the movable rod 411 to move outwards, driving the piston 410 to move outwards by the outward movement of the movable rod 411, and pushing out the water in the water pumping cylinder 49 by the outward movement of the piston 410 to fall into the collecting container. After all the water in the water pumping cylinder 49 is pushed out, the water pumping cylinder 49 is moved to drive the T-shaped rod 412 to be placed back into the clamping groove 48 through the supporting rod 47, the water pumping cylinder 49 is twisted to rotate forwards, so that the T-shaped rod 412 rotates forwards, the T-shaped rod 412 rotates forwards and is clamped into the clamping groove 48, and the water pumping cylinder 49 is fixed on the disc 46.

Example 2

Referring to fig. 1, 3, 4 and 7, the present embodiment is different from embodiment 1 mainly in that the present embodiment further includes a fixing mechanism 5, the fixing mechanism 5 includes a nut 51, a rotating rod 52, an L-shaped swinging plate 53, a fixing plate 55, a third spring 56 and a contact wheel 57, six through holes 54 are uniformly spaced at intervals in the circumferential direction of the lower portion of the cylinder 1, the L-shaped swinging plate 53 is rotatably connected to the lower portion of the inner side of the cylinder 1 at uniform intervals, the L-shaped swinging plate 53 is located in the through hole 54 and is engaged therewith, the fixing plate 55 corresponding to the L-shaped swinging plate 53 is fixedly connected to the lower portion of the inner side of the cylinder 1 at uniform intervals, the third spring 56 is connected between the middle portion of the inner side of the fixing plate 55 and the inner top portion of the L-shaped swinging plate 53, the nut 51 is fixedly connected to the upper portion of the inner side of the cylinder 1, the rotating rod 52 is disposed in the, the contact wheel 57 corresponds to the L-shaped swinging plate 53, and the contact wheel 57 is in contact fit with the outer top of the L-shaped swinging plate 53.

When the cylinder body 1 is inserted into a lake, the rotating rod 52 can be twisted to rotate positively, the rotating rod 52 rotates positively and moves downwards through the nut 51, the rotating rod 52 moves downwards to drive the contact wheel 57 to move downwards, the contact wheel 57 moves downwards to drive the inner end of the L-shaped swinging plate 53 to swing downwards, the third spring 56 is compressed, the inner end of the L-shaped swinging plate 53 swings downwards to enable the lower part to swing outwards, the lower part of the L-shaped swinging plate 53 swings outwards and penetrates through the through hole 54 to be inserted into soil, the rotating rod 52 stops being twisted, and water in the lake can be collected. After water collection is completed, the turning rod 52 is turned reversely and moves upwards, the turning rod 52 moves upwards to drive the contact wheel 57 to move upwards, the inner end of the L-shaped swinging plate 53 swings upwards to reset under the action of the third spring 56, the lower part of the L-shaped swinging plate 53 swings inwards to reset, the turning rod 52 stops turning, and the barrel body 1 can be pulled out of the lake. Therefore, the device can be more stable in lakes, and the barrel 1 is prevented from moving to influence water collection when the pulling plate 44 is pulled.

Example 3

Referring to fig. 4, 5, and 8, the present embodiment is different from embodiments 1 and 2 mainly in that the present embodiment further includes a clamping rod 6, a push plate 7, a fourth spring 8, and a snap ring 9, the clamping rod 6 is hinged to both sides of the lower portion of the movable rod 411 in the circumferential direction, the push plate 7 is fixedly connected to the bottom end of the clamping rod 6, the fourth spring 8 is connected between the inner side surface of the push plate 7 and the lower portion of the movable rod 411, the snap ring 9 matched with the clamping rod 6 is fixedly connected to the middle of the outer bottom of the water pumping cylinder 49, and the movable rod 411 penetrates through the snap ring 9.

The novel spring clamp is characterized by further comprising a movable plate 10 and a fifth spring 11, the movable plate 10 is arranged in the clamping groove 48 in a sliding mode, and the fifth spring 11 is connected between the bottom of the movable plate 10 and the bottom of the clamping groove 48 at intervals.

When the operating personnel pulls the pulling plate 44 to move upwards, the contact plate 45 moves upwards to drive the movable rod 411 to move upwards, the movable rod 411 moves upwards to drive the clamping rod 6 to move upwards, the clamping rod 6 moves upwards to contact with the clamping ring 9, and the clamping rod 6 is in contact fit with the clamping ring 9 under the action of the fourth spring 8, so that the movable rod 411 is fixed, and the pulling plate 44 is stopped. When the water pumping cylinder 49 is taken down from the disc 46, the push plate 7 is pressed to move inwards, the fourth spring 8 is compressed, the push plate 7 moves inwards to drive the lower portion of the clamping rod 6 to swing inwards, the lower portion of the clamping rod 6 swings inwards to enable the upper portion to swing outwards, the upper portion of the clamping rod 6 swings outwards to be separated from the clamping ring 9, the movable rod 411 can be pulled to drive the piston 410 to move downwards to push out water, after all the water is pushed out, the movable rod 411 stops being pulled, the push plate 7 is released, and due to the action of the fourth spring 8, the push plate 7 swings outwards to drive the clamping rod 6 to swing and reset. In this way, the water can be prevented from being pushed out by the movement of the piston 410 caused by the movement of the movable rod 411.

Initially, the fifth spring 11 is in a compressed state, when the T-shaped rod 412 is disengaged from the slot 48, the movable plate 10 moves upward to the maximum stroke due to the action of the fifth spring 11, and when the T-shaped rod 412 moves into the slot 48, the T-shaped rod 412 drives the movable plate 10 to move downward, and the fifth spring 11 is compressed, so that the movable plate 10 can tightly clamp the T-shaped rod 412 in the slot 48 due to the action of the fifth spring 11. In this manner, the T-bar 412 is prevented from moving out of engagement with the slot 48.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A multi-depth water sampler is characterized by comprising:

the cylinder body (1), six sliding chutes (2) are circumferentially distributed at intervals on the cylinder body (1), and the sliding chutes (2) are arranged in a staggered manner;

the clamping mechanism (3) is arranged at one end of the cylinder body (1) and is used for clamping;

the water collecting mechanism (4) is installed between the inner side of the barrel body (1) and the sliding groove (2), is matched with the clamping mechanism (3) and is used for collecting water at different depths.

2. The multi-depth water sampler according to claim 1, wherein the clamping mechanism (3) comprises a circular ring (31), a handle (32), a clamping block (34) and a first spring (35), an arc-shaped groove (33) corresponding to the sliding groove (2) is formed in one side of the cylinder (1) at intervals in the circumferential direction, the clamping block (34) matched with the water sampler (4) is slidably placed in the arc-shaped groove (33), the circular ring (31) is fixedly connected between the end portions of the clamping block (34) far away from the water sampler (4), the handle (32) is installed on the outer side of the circular ring (31), and the first spring (35) is connected between the inner side of the arc-shaped groove (33) and one side of the clamping block (34).

3. A multi-depth water sampler as claimed in claim 2, wherein the water sampling mechanism (4) comprises a hollow rod (41), a toothed block (42), a sliding rod (43), a pulling plate (44), a contact plate (45), a disc (46), a support rod (47), a water pumping cylinder (49), a piston (410), a movable rod (411), a T-shaped rod (412) and a second spring (413), the disc (46) is slidably penetrated in the sliding chute (2), clamping grooves (48) are symmetrically formed in one side of the disc (31), the T-shaped rod (412) is slidably placed in the clamping grooves (48) to be matched with the T-shaped rod, the number of the support rods (47) is at least two, the support rods are mounted at the end part of the T-shaped rod (412) facing the ring (31), the water pumping cylinder (49) is mounted between the end parts of the support rods (47) at two sides far away from the disc (46), place in of piston (410) slidingtype in draw water cylinder (49), its one side centre of a circle position rigid coupling towards disc (46) has movable rod (411), movable rod (411) tip runs through draw water cylinder (49) one side middle part near disc (46), disc (46) tip rigid coupling of keeping away from T type pole (412) has hollow rod (41), and it is located in barrel (1), place in of slide bar (43) slidingtype in hollow rod (41), its one end with be connected with second spring (413) between one side in hollow rod (41), other end rigid coupling has arm-tie (44), with wear connect in of movable rod (411) complex contact plate (45) slidingtype in be close to hollow rod (41) one side of disc (46), its tip of keeping away from branch (47) with slide bar (43) one side fixed connection near second spring (413), the tooth blocks (42) matched with the clamping blocks (34) are distributed on one side of the outer side of the hollow rod (41) close to the circular ring (31) at intervals and are in contact with the clamping blocks (34).

4. A multi-depth water sampler according to claim 3 and further comprising a fixing mechanism (5), wherein the fixing mechanism (5) comprises a nut (51), a rotating rod (52), an L-shaped swinging plate (53), a fixing plate (55), a third spring (56) and a contact wheel (57), through holes (54) are circumferentially spaced at one side of the cylinder (1) far away from the pulling plate (44), the L-shaped swinging plates (53) corresponding to the through holes (54) are circumferentially spaced at the inner side of the cylinder (1) near the through holes (54) and are located in the through holes (54), the number of the fixing plates (55) is at least six, the fixing plates are circumferentially spaced at the inner side of the cylinder (1) near the through holes (54) and correspond to the L-shaped swinging plates (53), and the third spring (56) is connected at one side of the fixing plate (55) far away from the through holes (54) and is located in the L-shaped swinging plate (53) far away from the pulling plate (44) Between one side, nut (51) install in one side in being close to barrel (1) of fixture block (34), the cross-under of bull stick (52) rotary type in nut (51), it through the screw with nut (51) cooperation, keep away from being connected with of tip rotary type of ring (31) and contact wheel (57) corresponding with L type swing plate (53), its with keep away from the cooperation of the outer side contact of L type swing plate (53) of third spring (56).

5. A multi-depth water sampler according to claim 4 and further comprising a clamping rod (6), a push plate (7), a fourth spring (8) and a snap ring (9), wherein the clamping rod (6) is symmetrically hinged to one side of the movable rod (411) close to the disc (46), the push plate (7) is fixedly connected to the end part of the clamping rod (6) facing the disc (46), the fourth spring (8) is connected between one side of the push plate (7) facing the movable rod (411) and one side of the movable rod (411), the snap ring (9) matched with the clamping rod (6) is arranged on one side of the outer side of the water pumping cylinder (49) facing the disc (46), and the movable rod (411) penetrates through the snap ring (9).

6. A multi-depth water sampler according to claim 5 and further comprising a movable plate (10) and a fifth spring (11), wherein the fifth spring (11) is distributed at intervals on one side of the clamping groove (48) far away from the support rod (47), the movable plate (10) capable of clamping the T-shaped rod (412) is slidably placed in the clamping groove (48), and the side far away from the support rod (47) is fixedly connected with the tail end of the fifth spring (11).