CN114858534A - Portable water quality sampler - Google Patents

Abstract

The invention discloses a portable water quality sampler, which comprises a collecting shell, wherein two ends of the collecting shell are respectively connected with a switching handle and a collecting head; the portable water quality sampler has a novel structure, is convenient and practical, can switch the sealed sampling bottles in the two circulation channels through the switching handle, can complete conversion of the sealed sampling bottles, and can push the sealed sampling bottles to achieve the effect of cyclic sampling of the sealed sampling bottles by matching with the rotary switching mechanism.

Description

Portable water quality sampler

Technical Field

The invention belongs to the technical field of water quality sampling, and particularly relates to a portable water quality sampler.

Background

The water quality monitoring is one of the important links of environmental protection monitoring, and the selection of a proper sampling container and the use of a correct sampling method are the prerequisites for correctly analyzing the characteristics of the detected water quality and simultaneously provide an important guarantee for accurate data for the environmental monitoring; the water quality of a water source is generally sampled by a water quality sampler, and a standard test method for drinking water, namely the collection and preservation of water samples (GB5750.2-2006) stipulates: when surface water such as rivers, lakes and the like is taken, a proper container can be used for sampling in the situation that water can be directly sucked; during the water sampling, lead to the sampling degree of difficulty to differ because of the restriction of sampling topography, the sampling generally will carry a large amount of sampling bottles simultaneously, leads to the sampling personnel burden great, and to source waters water sampling mostly need the sampling personnel to sample on foot for the sampling is very troublesome for the sampling bin of just bearing hard and.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a portable water quality sampler which is novel in structure, convenient and practical, and can complete conversion by switching a sealed sampling bottle in a two-circulation channel through a switching handle, and meanwhile, the sealed sampling bottle is pushed by matching with a rotary switching mechanism to achieve the effect of cyclic sampling of the sealed sampling bottle.

The utility model provides a portable water quality sampler, is including gathering the shell gather the shell both ends and be connected with respectively and switch handle and collection head, be provided with circulation auto-change over device in gathering the shell, circulation auto-change over device one end is connected with switching handle, the circulation auto-change over device other end and the cooperation of collection head, be provided with the sealed sampling bottle of a plurality of on the circulation auto-change over device.

Preferably, the collecting shell comprises a collecting cylinder body, two symmetrically arranged circulation channels penetrate through the collecting cylinder body, a guide channel matched with the circulation switching device is arranged between the two symmetrically arranged circulation channels, a positioning guide channel is arranged on the inner wall of the guide channel, the two circulation channels are communicated through the guide channel, a plurality of C-shaped positioning clamping grooves are uniformly arranged on the inner wall of the circulation channel, C-shaped positioning clamping rings matched with the sealed sampling bottles are arranged in the C-shaped positioning clamping grooves, positioning holes are arranged on the C-shaped positioning clamping rings, silica gel columns matched with the sealed sampling bottles are arranged in the positioning holes, two avoiding grooves are arranged at one end of the collecting cylinder body, guide plates matched with the sealed sampling bottles are hinged in the avoiding grooves, limiting columns matched with the guide plates are arranged on the inner walls of the avoiding grooves, and guiding return torsional springs are arranged on the guide plates, and one end of the guide way is provided with a triangular guide post matched with the circulating switching device.

Preferably, the circulating switching device comprises a lifting mechanism and an L-shaped pushing rod, one end of the lifting mechanism is movably connected with a rotating switching mechanism, and the other end of the lifting mechanism is hinged with a switching and extracting mechanism; the rotary switching mechanism and the lifting mechanism respectively comprise a lifting rod, one side of the lifting rod is provided with a plurality of lifting devices and lifting avoiding grooves for the lifting devices to take in, the other side of the lifting rod is provided with a plurality of push-down devices and push-down avoiding grooves for the push-down devices to take in, one end of the lifting rod in the rotary switching mechanism penetrates through the switching handle and is connected with an L-shaped push rod, and one end of the L-shaped push rod is arranged in the switching handle; and a pulling and feeding handle is arranged on the L-shaped pushing rod.

Preferably, the lifting device and the pushing device both comprise return torsion springs and hinge rods, one ends of the hinge rods are hinged to the lifting rods, and two ends of each return torsion spring are connected to the lifting rods and the hinge rods respectively; one end, away from the return torsional spring, of the hinge rod in the lifting device is hinged with a lifting plate, a reset torsional spring is arranged on the lifting plate, one end of the reset torsional spring is connected to the hinge rod, and one end, away from the return torsional spring, of the hinge rod in the pushing-down device is provided with a pressing wheel.

Preferably, the switching and extracting mechanism comprises a connecting rod, two ends of the connecting rod are respectively connected with a guiding raising rod and an auxiliary displacement device, the joint of the connecting rod and the guiding raising rod is hinged on the lifting rod, and a transitional return torsion spring for connecting the guiding raising rod and the lifting rod is arranged on the guiding raising rod; the auxiliary displacement device comprises an inserting block, one end of the inserting block is connected with a connecting screw rod, a avoiding cavity is formed in the inserting block, two shrinkers are arranged in the avoiding cavity, and the two shrinkers are respectively positioned on two sides of the inserting block; the retractor comprises a buffer and a retraction rod, one end of the buffer is hinged to the avoidance cavity and located on the top wall, the other end of the buffer is hinged to the retraction rod, one end of the retraction rod is hinged to the avoidance cavity and located on the bottom wall, and the other end of the retraction rod is provided with a roller.

Preferably, sealed sampling bottle is including sampling bottle, two guide plate and a plurality of connecting rod, two seal grooves have been seted up on the sampling bottle lateral wall, all be provided with the sealing washer in two seal grooves, a plurality of sampling hole has been seted up to the sampling bottle lateral wall between two seal grooves, sampling bottle one end is connected with two guide plate through a plurality of connecting rods, be provided with between two guide plate and supply inserted block male gap, the cover is equipped with the sealed lasso sealed with the sealing washer cooperation on the sampling bottle, sealed lasso one end is connected with the locating plate, one side that the locating plate is close to guide plate is provided with two at least location lassos, be provided with return spring and return post in the location lasso, return post one end and return spring are connected, the return post other end is connected with the guide plate that corresponds.

Preferably, switch the handle including switching the rotary column, it is connected with the handle to switch rotary column one end, switch the rotary column other end and offer and say two symmetries of complex with the circulation and switch the chamber, it is provided with C shape positioning groove to switch the intracavity, be provided with in the C shape positioning groove with sealed sampling bottle complex C shape location snap ring, be provided with the locating hole on the C shape location snap ring, be provided with in the locating hole with sealed sampling bottle complex silica gel column, two symmetries switch and are provided with the switching location way that supplies the lifter to pass between the chamber, it has the push rod jack that supplies L type push rod one end to pass to run through on the switching rotary column.

Preferably, the collecting head is including gathering first shell, silica gel closing plate, holding plate, closing plate and bolt, be provided with the toper guide way in the collection first shell, be provided with toper sampling hole in the toper guide way, be provided with a plurality of deflectors on the toper sampling hole inner wall, holding plate passes through bolted connection on gathering first shell, the silica gel closing plate sets up between collection first shell and holding plate, it has the transition hole that supplies sealed sampling bottle to pass to run through on silica gel closing plate and the holding plate, be provided with the internal thread on the transition hole inner wall on the holding plate, be provided with the external screw thread with interior screw-thread fit on the closing plate outer wall.

Preferably, switch and to set up a plurality of eyeball screw on one of handle is kept away from to the rotary column, be provided with the eyeball in the eyeball screw, the one end of gathering the cylinder and keeping away from the triangle-shaped guide post is provided with a plurality of and eyeball complex eyeball locating hole.

Preferably, a deviation-preventing inclination angle D is arranged between the lifting rod and the auxiliary displacement device, and the degree of the deviation-preventing inclination angle D is controlled between 10 degrees and 30 degrees.

Has the advantages that:

(1) the portable water quality sampler has a novel structure, is convenient and practical, can switch the sealed sampling bottles in the two circulation channels through the switching handle, can complete conversion of the sealed sampling bottles, and can push the sealed sampling bottles to achieve the effect of cyclic sampling of the sealed sampling bottles by matching with a rotary switching mechanism.

(2) According to the portable water quality sampler, the sampling bottle is inserted into and pulled out of the collecting head through the switching and extracting mechanism, and meanwhile, the sampling bottle is opened through the switching and extracting mechanism to collect a sample, so that the purpose of completing conversion and sampling of the sampling bottle is achieved.

(3) According to the portable water quality sampler, the number of the sampling bottles is increased by designing the sampling bottles into one collecting shell, and the length of the sampler is designed according to needs so as to reduce the sampling difficulty.

Drawings

FIG. 1 is a schematic view of a water sampler;

FIG. 2 is a schematic view of the internal structure of the collection housing;

FIG. 3 is a schematic view of the structure of the collection housing;

FIG. 4 is a schematic structural view of the switching handle;

FIG. 5 is a 3D view of the interior of the water sampler;

FIG. 6 is a schematic structural view of a guide plate;

FIG. 7 is an enlarged view taken at A in FIG. 5;

FIG. 8 is an enlarged view of FIG. 5 at B;

FIG. 9 is an enlarged view at C of FIG. 5;

FIG. 10 is a schematic structural diagram of the circulation switching device;

fig. 11 is a schematic structural view of the rotary switching mechanism;

FIG. 12 is an enlarged view at E of FIG. 10;

FIG. 13 is a schematic view of the auxiliary displacement device;

FIG. 14 is a schematic view of a pick head configuration;

FIG. 15 is an exploded view of a sealed sample bottle;

1-collection shell, 11-collection column, 12-circulation channel, 13-guide channel, 14-eyeball positioning hole, 15-C-shaped positioning clamping groove, 16-positioning guide channel, 17-limiting column, 18-triangular guide column, 19-avoiding groove, 110-C-shaped positioning clamping ring, 111-positioning hole, 112-guide plate, 2-switching handle, 21-switching rotary column, 22-handle, 23-eyeball screw hole, 24-switching cavity, 25-switching positioning channel, 26-push rod jack, 3-collection head, 31-collection head shell, 32-silica gel sealing plate, 33-fixed pressing plate, 34-sealing plate, 35-conical guide groove, 36-conical sampling hole, 37-guide plate and 4-circulation switching device, 41-rotary switching mechanism, 42-lifting mechanism, 43-switching extraction mechanism, 44-lifting device, 45-pushing device, 46-lifting rod, 47-return torsion spring, 48-pulling handle, 49-L-shaped pushing rod, 410-hinged rod, 411-pressing wheel, 412-lifting plate, 413-guiding tilted rod, 414-connecting rod, 415-auxiliary displacement device, 416-connecting screw rod, 417-inserting block, 418-avoiding cavity, 419-retractor, 420-buffer, 421-retracting rod, 422-roller, 5-sealed sampling bottle, 51-sampling bottle, 52-sampling hole, 53-sealing groove, 54-sealing ring, 55-connecting rod, 56-guiding pressing plate, 57-return column, 58-return spring, 59-sealing ferrule, 510-positioning plate, 511-positioning ferrule.

Detailed Description

Embodiments of the present invention are further described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1; a portable water quality sampler comprises a collecting shell 1, wherein two ends of the collecting shell 1 are respectively connected with a switching handle 2 and a collecting head 3, a circulation switching device 4 is arranged in the collecting shell 1, one end of the circulation switching device 4 is connected with the switching handle 2, the other end of the circulation switching device 4 is matched with the collecting head 3, and a plurality of sealed sampling bottles 5 are arranged on the circulation switching device 4; the collecting shell 1 comprises a collecting cylinder 11, two symmetrically arranged circulating channels 12 penetrate through the collecting cylinder 11, a guide channel 13 matched with the circulating switching device 4 is arranged between the two symmetrically arranged circulating channels 12, a positioning guide channel 16 is arranged on the inner wall of the guide channel 13, the two circulating channels 12 are communicated through the guide channel 13, a plurality of C-shaped positioning clamping grooves 15 are uniformly arranged on the inner wall of the circulating channel 12, C-shaped positioning clamping rings 110 matched with the sealed sampling bottles 5 are arranged in the C-shaped positioning clamping grooves 15, positioning holes 111 are arranged on the C-shaped positioning clamping rings 110, silica gel columns matched with the sealed sampling bottles 5 are arranged in the positioning holes 111, two avoiding grooves 19 are arranged at one end of the collecting cylinder 11, guide plates 112 matched with the sealed sampling bottles 5 are hinged in the avoiding grooves 19, and limiting columns 17 matched with the guide plates 112 are arranged on the inner wall of the avoiding grooves 19, a guiding return torsion spring is arranged on the guide plate 112, and a triangular guide column 18 matched with the circulating switching device 4 is arranged at one end of the guide channel 13; the circulation switching device 4 comprises a lifting mechanism 42 and an L-shaped pushing rod 49, one end of the lifting mechanism 42 is movably connected with a rotary switching mechanism 41, and the other end of the lifting mechanism 42 is hinged with a switching and extracting mechanism 43; the rotary switching mechanism 41 and the lifting mechanism 42 both comprise a lifting rod 46, one side of the lifting rod 46 is provided with a plurality of lifting devices 44 and lifting avoiding grooves for the lifting devices 44 to take in, the other side of the lifting rod 46 is provided with a plurality of pushing devices 45 and pushing avoiding grooves for the pushing devices 45 to take in, one end of the lifting rod 46 in the rotary switching mechanism 41 penetrates through the switching handle 2 and is connected with an L-shaped pushing rod 49, and one end of the L-shaped pushing rod 49 is arranged in the switching handle 2; a pulling handle 48 is arranged on the L-shaped pushing rod 49; the lifting device 44 and the pushing device 45 both comprise a return torsion spring 47 and a hinge rod 410, one end of the hinge rod 410 is hinged on the lifting rod 46, and two ends of the return torsion spring 47 are respectively connected to the lifting rod 46 and the hinge rod 410; a lifting plate 412 is hinged to one end, away from the return torsion spring 47, of the hinge rod 410 in the lifting device 44, a return torsion spring is arranged on the lifting plate 412, one end of the return torsion spring is connected to the hinge rod 410, and a pressing wheel 411 is arranged at one end, away from the return torsion spring 47, of the hinge rod 410 in the pushing-down device 45; the switching and extracting mechanism 43 comprises a connecting rod 414, two ends of the connecting rod 414 are respectively connected with a guiding raising rod 413 and an auxiliary displacement device 415, a joint of the connecting rod 414 and the guiding raising rod 413 is hinged on the lifting rod 46, and a transitional return torsion spring for connecting the guiding raising rod 413 and the lifting rod 46 is arranged on the guiding raising rod 413; the auxiliary displacement device 415 comprises an inserting block 417, one end of the inserting block 417 is connected with a connecting screw 416, a position avoiding cavity 418 is arranged on the inserting block 417, two shrinkers 419 are arranged in the position avoiding cavity 418, and the two shrinkers 419 are respectively positioned at two sides of the inserting block 417; the retractor 419 comprises a buffer 420 and a retraction rod 421, one end of the buffer 420 is hinged in the avoiding cavity 418 and is positioned on the top wall, the other end of the buffer 420 is hinged in the retraction rod 421, one end of the retraction rod 421 is hinged in the avoiding cavity 418 and is positioned on the bottom wall, and the other end of the retraction rod 421 is provided with a roller 422; the sealed sampling bottle 5 comprises a sampling bottle 51, two guide pressure plates 56 and a plurality of connecting rods 55, two sealing grooves 53 are arranged on the side wall of the sampling bottle 51, sealing rings 54 are arranged in the two sealing grooves 53, a plurality of sampling holes 52 are arranged on the side wall of the sampling bottle 51 between the two sealing grooves 53, one end of the sampling bottle 51 is connected with two guide pressure plates 56 through a plurality of connecting rods 55, a gap for inserting the insert 417 is arranged between the two guide pressure plates 56, a sealing ferrule 59 which is matched and sealed with the sealing ring 54 is sleeved on the sampling bottle 51, one end of the sealing collar 59 is connected with a positioning plate 510, one side of the positioning plate 510 close to the guide pressure plate 56 is provided with at least two positioning collars 511, a return spring 58 and a return column 57 are arranged in the positioning ferrule 511, one end of the return column 57 is connected with the return spring 58, and the other end of the return column 57 is connected with the corresponding guide pressure plate 56; the switching handle 2 comprises a switching rotary column 21, one end of the switching rotary column 21 is connected with a handle 22, the other end of the switching rotary column 21 is provided with two symmetrical switching cavities 24 matched with the circulation channel 12, a C-shaped positioning clamping groove 15 is arranged in the switching cavity 24, a C-shaped positioning clamping ring 110 matched with the sealed sampling bottle 5 is arranged in the C-shaped positioning clamping groove 15, a positioning hole 111 is arranged on the C-shaped positioning clamping ring 110, a silica gel column matched with the sealed sampling bottle 5 is arranged in the positioning hole 111, a switching positioning channel 25 for a lifting rod 46 to pass through is arranged between the two symmetrical switching cavities 24, and a push rod jack 26 for one end of an L-shaped push rod 49 to pass through penetrates through the switching rotary column 21; the collecting head 3 comprises a collecting head shell 31, a silica gel sealing plate 32, a fixed pressing plate 33, a sealing plate 34 and bolts, a conical guide groove 35 is arranged in the collecting head shell 31, a conical sampling hole 36 is arranged in the conical guide groove 35, a plurality of guide plates 37 are arranged on the inner wall of the conical sampling hole 36, the fixed pressing plate 33 is connected to the collecting head shell 31 through the bolts, the silica gel sealing plate 32 is arranged between the collecting head shell 31 and the fixed pressing plate 33, a transition hole for the sealed sampling bottle 5 to pass is formed in the silica gel sealing plate 32 and the fixed pressing plate 33 in a penetrating mode, an internal thread is arranged on the inner wall of the transition hole in the fixed pressing plate 33, and an external thread matched with the internal thread is arranged on the outer wall of the sealing plate 34.

When the sampler is used for sampling, the sealing plate 34 is opened in advance, the handle 22 is rotated, the handle 22 drives the switching rotary column 21 to rotate, the sealed sampling bottles 5 in the switching cavities 24 which are symmetrical in the switching rotary column 21 are switched when the switching rotary column 21 rotates, one end of the L-shaped push rod 49 penetrates through the push rod jack 26 and is simultaneously contacted with the sealed sampling bottles 5 in the switching cavities 24 by pressing the L-shaped push rod 49, meanwhile, the L-shaped push rod 49 applies pressure to the sealed sampling bottles 5, so that the sealed sampling bottles 5 fall down to enter the next C-shaped positioning snap ring 110, the sealed sampling bottles 5 are positioned by the C-shaped positioning snap rings 110 and the silica gel columns on the C-shaped positioning snap rings 110, each sealed sampling bottle 5 is positioned between the adjacent C-shaped positioning snap rings 110, and the L-shaped push rod 49 is manually pulled up to ascend and return after being pushed; the rotating switching mechanism 41 and the lifting mechanism 42 are pushed to descend or ascend while the L-shaped pushing rod 49 is pushed down or pulled up, the lifting device 44 and the pushing device 45 on the rotating switching mechanism 41 and the lifting mechanism 42 descend simultaneously, when the pushing device 45 descends, the pressing wheel 411 at one end of the hinge rod 410 presses the sealed sampling bottle 5, so that the sealed sampling bottle 5 moves through the C-shaped positioning snap ring 110 through pushing force, when the pushing device 45 ascends, the sealed sampling bottle 5 is in the original position but presses the hinge rod 410 to press the hinge rod 410 into the pushing avoiding groove, so that the pushing device 45 smoothly moves above the sealed sampling bottle 5, and thus the sealed sampling bottles 5 in the circulation channel 12 on one side in the collection cylinder 11 are collectively moved downwards; the lifting device 44 is pressed by the sealed sampling bottle 5 when pushed down, so that the hinge rod 410 of the lifting device 44 and the lifting plate 412 thereon are accommodated in the lifting avoiding groove, the lifting device 44 is smoothly moved to the position below the sealed sampling bottle 5 and below the position between the two guide pressure plates 56, when the lifting device 44 is lifted up, the guide pressure plates 56 are supported by the lifting plate 412, so that the sealed sampling bottle 5 is lifted up and enters the upper C-shaped positioning snap ring 110, the hinge rod 410 is ensured to be popped out from the corresponding lower lifting avoiding groove or the lifting avoiding groove through the return torsion spring 47, the lifting plate 412 is ensured to be parallel to the hinge rod 410 through the reset torsion spring, when the lifting plate 412 lifts up the sealed sampling bottle 5, one end of the lifting plate 412 is firstly contacted with the guide pressure plate 56, the lifting plate 412 is adhered to the guide pressure plate 56 through the pressure of the guide pressure plate 56, and the contact surface between the lifting plate 412 and the sealed sampling bottle 5 is increased, the sealed sampling bottle 5 can rise more stably, and the lifting plate 412 can be ensured to be tightly attached to the lifting avoiding groove after entering the lifting avoiding groove through the reset torsion spring and the return torsion spring 47; when the sealed sampling bottle 5 is switched by the switching and extracting mechanism 43, the switching and extracting mechanism 43 is lifted to enable the guiding tilting rod 413 to move to the upper part of the sealed sampling bottle 5, the guiding tilting rod 413 is located at the inner side of the side surface of the lifting rod 46 to enable the sealed sampling bottle 5 to pass through smoothly without interference, the positioning plate 510 of the sealed sampling bottle 5 extrudes the connecting rod 414 when passing through the connecting rod 414, so that the connecting rod 414 is pressed down and the guiding tilting rod 413 tilts, the guiding tilting rod 413 needs to be designed to be smaller than a gap between the two guiding pressing plates 56, so that the guiding tilting rod 413 can pass through the gap between the two guiding pressing plates 56 smoothly, and after the guiding tilting rod 413 moves through the two guiding pressing plates 56, the connecting screw 416 of the auxiliary displacement device 415 returns to the torsion spring through transition, so that the connecting screw 416 is displaced between the two guiding pressing plates 56, so that the two guiding pressing plates 56 are clamped between the insertion block 417 and the connecting rod 414 to achieve the condition of positioning and sealing the sealed sampling bottle 5, when the switching and extracting mechanism 43 descends, so that the connecting rod 414 pushes the two guide pressing plates 56, so that the sealed sampling bottle 5 is inserted into the tapered sampling hole 36, the sampling end of the sealed sampling bottle 5 passes through the tapered sampling hole 36, and the connecting rod 414 continues to push the guide pressing plates 56, the guide pressing plates 56 lean against the positioning plate 510, so that the sampling hole 52 moves out of the sealing ferrule 59, and the collected water enters the sampling bottle 51 through the sampling hole 52; after the collection is completed, the switching and extracting mechanism 43 ascends, the return column 57 and the guide pressure plate 56 connected with the return column 57 are pushed to return by the return spring 58 in the ascending process, when the guide pressure plate 56 is far away from the positioning plate 510, the guide pressure plate 56 can drive the connecting rod 55 and the sampling bottle 51 to enter the sealing ferrule 59, the sampling hole 52 is sealed by the sealing rings 54 at the upper side and the lower side of the sampling hole 52, the water sample collection is completed, meanwhile, the switching and extracting mechanism 43 continuously ascends, so that the two guide pressure plates 56 are pulled by the rollers 422 on the insert block 417 in the switching and extracting mechanism 43 to ascend, the triangular guide column 18 can be matched with the guide raising rod 413 in the ascending process, one end of the guide raising rod 413 is quickly raised, the auxiliary displacement device 415 rotates around the hinge joint of the connecting rod 414 and the guide raising rod 413, and the sealed sampling bottle 5 is guided to the circulation channel 12 along with the rotation track of the auxiliary displacement device 415, meanwhile, the inclination of the two guide plates 112 is matched to ensure the lifting track of the sealed sampling bottle 5, so that the sealed sampling bottle 5 slides along the inclination of the guide plates 112 in a staggered manner towards the direction of the circulating channel 12 in the lifting process, the accuracy of correcting the sealed sampling bottle 5 entering the circulating channel 12 when the sealed sampling bottle 5 moves is achieved through bidirectional guiding, the smoothness of the movement of the sealed sampling bottle 5 is ensured through the roller 422, and the sealed sampling bottle 5 can be directly clamped into the C-shaped positioning clamp ring 110 to be positioned after entering the circulating channel 12; the deflector 112 guarantees its state of correcting sealed sampling bottle 5 through direction return torsional spring, deflector 112 can be pushed down to the vertical state by sealed sampling bottle 5 when sealed sampling bottle 5 descends, make deflector 112 can not influence sealed sampling bottle 5 and get into collecting head 3, prevent the rotatory transition of deflector 112 through spacing post 17 and lead to sealed sampling bottle 5 direction skew, it is mainly the rotation that sealed sampling bottle 5 can appear with the lower extreme first contact of deflector 112 slope, it can not be rotatory to have stabilized deflector 112 after the restriction of spacing post 17, so cyclic control L type push rod 49 goes up and down, make sealed sampling bottle 5 accomplish transport from top to bottom and sample, accomplish the switching of switching sealed sampling bottle 5 elevating track through rotatory switching rotary column 21 simultaneously.

Example 2

On the basis of the embodiment 1, a plurality of eyeball screw holes 23 are formed in one end, away from the handle 22, of the switching rotary column 21, eyeball screw holes 23 are internally provided with eyeball, and a plurality of eyeball positioning holes 14 matched with the eyeball are formed in one end, away from the triangular guide column 18, of the collecting column body 11; an anti-deviation inclination angle D is arranged between the lifting rod 46 and the auxiliary displacement device 415, and the degree of the anti-deviation inclination angle D is controlled between 10 degrees and 30 degrees.

The rotation angle of the switching rotary column 21 is determined by matching the eyeball screw hole 23 with the eyeball, so that the switching cavity 24 on the switching rotary column 21 is aligned with the circulating channel 12 on the collecting column body 11, and the phenomenon that the sealed sampling bottle 5 is lifted and stopped due to dislocation or the displacement between the circulating channel 12 and the switching cavity 24 cannot be carried out is avoided; the deviation-preventing inclination angle D is set between 10 degrees and 30 degrees, so that the connecting rod 414 can not rotate reversely when pressing the sealed sampling bottle 5, the pressing direction is ensured, and meanwhile, the connecting rod 414 is ensured to be positioned above the two guide pressing plates 56.

The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the above-described embodiments. Any equivalent modifications and substitutions for the present invention are within the scope of the present invention for those skilled in the art. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the invention, without departing from the spirit and scope of the invention.

Claims (10)

1. A portable water quality sampler is characterized in that: including gathering shell (1), gather shell (1) both ends and be connected with respectively and switch handle (2) and collection head (3), be provided with circulation auto-change over device (4) in gathering shell (1), circulation auto-change over device (4) one end is connected with switching handle (2), circulation auto-change over device (4) other end and collection head (3) cooperation, be provided with the sealed sampling bottle of a plurality of (5) on circulation auto-change over device (4).

2. The portable water sampler as claimed in claim 1, wherein: the collecting shell (1) comprises a collecting cylinder body (11), two symmetrically arranged circulating channels (12) penetrate through the collecting cylinder body (11), a guide channel (13) matched with the circulating switching device (4) is arranged between the two symmetrically arranged circulating channels (12), a positioning guide channel (16) is arranged on the inner wall of the guide channel (13), the two circulating channels (12) are communicated through the guide channel (13), a plurality of C-shaped positioning clamping grooves (15) are uniformly arranged on the inner wall of the circulating channel (12), C-shaped positioning clamping rings (110) matched with the sealed sampling bottles (5) are arranged in the C-shaped positioning clamping grooves (15), positioning holes (111) are arranged on the C-shaped positioning clamping rings (110), silica gel columns matched with the sealed sampling bottles (5) are arranged in the positioning holes (111), two avoiding grooves (19) are arranged at one end of the collecting cylinder body (11), keep away in groove (19) articulated have with sealed sampling bottle (5) complex deflector (112), keep away and be provided with on groove (19) inner wall with deflector (112) complex spacing post (17), be provided with direction return torsional spring on deflector (112), guide way (13) one end be provided with circulation auto-change over device (4) complex triangle-shaped guide post (18).

3. The portable water sampler as claimed in claim 2, wherein: the circulation switching device (4) comprises a lifting mechanism (42) and an L-shaped pushing rod (49), one end of the lifting mechanism (42) is movably connected with a rotary switching mechanism (41), and the other end of the lifting mechanism (42) is hinged with a switching and extracting mechanism (43); the rotary switching mechanism (41) and the lifting mechanism (42) respectively comprise a lifting rod (46), one side of the lifting rod (46) is provided with a plurality of lifting devices (44) and lifting avoiding grooves for the lifting devices (44) to take in, the other side of the lifting rod (46) is provided with a plurality of pushing devices (45) and pushing avoiding grooves for the pushing devices (45) to take in, one end of the lifting rod (46) in the rotary switching mechanism (41) penetrates through the switching handle (2) and is connected with an L-shaped pushing rod (49), and one end of the L-shaped pushing rod (49) is arranged in the switching handle (2); and a pulling and sending handle (48) is arranged on the L-shaped pushing rod (49).

4. A portable water sampler as claimed in claim 3 wherein: the lifting device (44) and the pushing device (45) respectively comprise a return torsion spring (47) and a hinge rod (410), one end of the hinge rod (410) is hinged to the lifting rod (46), and two ends of the return torsion spring (47) are respectively connected to the lifting rod (46) and the hinge rod (410); one end, far away from the return torsion spring (47), of a hinged rod (410) in the lifting device (44) is hinged to a lifting plate (412), a return torsion spring is arranged on the lifting plate (412), one end of the return torsion spring is connected to the hinged rod (410), and one end, far away from the return torsion spring (47), of the hinged rod (410) in the pushing-down device (45) is provided with a pressing wheel (411).

5. A portable water sampler as claimed in claim 3 or 4 wherein: the switching and extracting mechanism (43) comprises a connecting rod (414), two ends of the connecting rod (414) are respectively connected with a guide raising rod (413) and an auxiliary displacement device (415), the joint of the connecting rod (414) and the guide raising rod (413) is hinged to the lifting rod (46), and a transitional return torsion spring for connecting the guide raising rod (413) and the lifting rod (46) is arranged on the guide raising rod (413); the auxiliary displacement device (415) comprises an inserting block (417), one end of the inserting block (417) is connected with a connecting screw rod (416), a position avoiding cavity (418) is arranged on the inserting block (417), two shrinkers (419) are arranged in the position avoiding cavity (418), and the two shrinkers (419) are respectively positioned on two sides of the inserting block (417); the retractor (419) comprises a buffer (420) and a retraction rod (421), one end of the buffer (420) is hinged to the inside of the avoiding cavity (418) and located on the top wall, the other end of the buffer (420) is hinged to the retraction rod (421), one end of the retraction rod (421) is hinged to the inside of the avoiding cavity (418) and located on the bottom wall, and the other end of the retraction rod (421) is provided with a roller (422).

6. A portable water sampler as claimed in claim 2 or 5 wherein: the sealed sampling bottle (5) comprises a sampling bottle (51), two guide pressure plates (56) and a plurality of connecting rods (55), wherein two sealing grooves (53) are formed in the side wall of the sampling bottle (51), sealing rings (54) are arranged in the two sealing grooves (53), a plurality of sampling holes (52) are formed in the side wall of the sampling bottle (51) between the two sealing grooves (53), one end of the sampling bottle (51) is connected with the two guide pressure plates (56) through the plurality of connecting rods (55), a gap for inserting an inserting block (417) is formed between the two guide pressure plates (56), a sealing ferrule (59) matched and sealed with the sealing ring (54) is sleeved on the sampling bottle (51), one end of the sealing ferrule (59) is connected with a positioning plate (510), at least two positioning ferrules (511) are arranged on one side, close to the guide pressure plates (56), of the positioning plate (510), a return spring (58) and a return column (57) are arranged in the positioning ferrule (511), one end of the return column (57) is connected with the return spring (58), and the other end of the return column (57) is connected with a corresponding guide pressure plate (56).

7. The portable water sampler as claimed in claim 6, wherein: the switching handle (2) comprises a switching rotary column (21), one end of the switching rotary column (21) is connected with a handle (22), the other end of the switching rotary column (21) is provided with two symmetrical switching cavities (24) matched with the circulating channel (12), a C-shaped positioning clamping groove (15) is arranged in the switching cavity (24), a C-shaped positioning clamping ring (110) matched with the sealed sampling bottle (5) is arranged in the C-shaped positioning clamping groove (15), a positioning hole (111) is arranged on the C-shaped positioning snap ring (110), a silica gel column matched with the sealed sampling bottle (5) is arranged in the positioning hole (111), a switching positioning channel (25) for a lifting rod (46) to pass through is arranged between the two symmetrical switching cavities (24), a push rod jack (26) for one end of the L-shaped push rod (49) to pass through penetrates through the switching rotary column (21).

8. A portable water sampler as claimed in claim 1 or 7 wherein: the collecting head (3) comprises a collecting head shell (31), a silica gel sealing plate (32), a fixed pressing plate (33), a sealing plate (34) and a bolt, a conical guide groove (35) is arranged in the collecting head shell (31), a conical sampling hole (36) is arranged in the conical guide groove (35), a plurality of guide plates (37) are arranged on the inner wall of the conical sampling hole (36), the fixed pressure plate (33) is connected on the collecting head shell (31) through a bolt, the silica gel sealing plate (32) is arranged between the collecting head shell (31) and the fixed pressing plate (33), transition holes for the sealed sampling bottle (5) to pass through are arranged on the silica gel sealing plate (32) and the fixed pressing plate (33), internal threads are arranged on the inner wall of the transition hole in the fixed pressing plate (33), and external threads matched with the internal threads are arranged on the outer wall of the sealing plate (34).

9. The portable water sampler as claimed in claim 7, wherein: switch and set up a plurality of eyeball screw hole (23) in one of handle (22) is kept away from in rotary column (21), be provided with the eyeball in eyeball screw hole (23), the one end of gathering cylinder (11) and keeping away from triangle-shaped guide post (18) is provided with a plurality of and eyeball complex eyeball locating hole (14).

10. The portable water sampler as claimed in claim 7, wherein: an anti-deviation inclination angle D is arranged between the lifting rod (46) and the auxiliary displacement device (415), and the degree of the anti-deviation inclination angle D is controlled to be between 10 degrees and 30 degrees.

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