CN218035868U

CN218035868U - Portable water sampler

Info

Publication number: CN218035868U
Application number: CN202222008898.XU
Authority: CN
Inventors: 侯玥; 赵龙飞; 孔小玲; 毛川
Original assignee: Sichuan Henggu Construction Project Examination Co ltd
Current assignee: Sichuan Henggu Construction Project Examination Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-12-13
Anticipated expiration: 2032-08-01

Abstract

The utility model provides a portable water sampler relates to quality of water sampling device's technical field, and it includes: the sealing device comprises a sleeve, a sealing disc and a telescopic rod, wherein the sleeve is provided with a cylindrical containing cavity, a piston is connected in the sleeve in a sliding mode, and one end of the sleeve is communicated with a water inlet; the sealing disc is rotationally connected to one end of the sleeve, and a through hole which can be communicated with the water inlet is formed in the sealing disc; telescopic link and telescopic axis collineation, the canned paragraph fixed connection of telescopic link is on sealed dish, and the sleeve is worn out to the flexible section of telescopic link, and flexible section and piston fixed connection, rotate the telescopic link and can drive sealed dish rotation to make the dislocation of water inlet and through-hole and then the shutoff water inlet. The utility model provides a during the shutoff water inlet of conventional syringe formula water sampler that exists among the prior art, the plug is lost easily and inconvenient problem of operation.

Description

Portable water sampler

Technical Field

The utility model relates to a quality of water sampling device's technical field especially relates to a portable water sampler.

Background

Water environmental monitoring often need gather the water sample in the work to monitor its various information characteristics, for making things convenient for staff's transport, exist among the prior art and utilize the mode that cylinder formula water sampler carried out the water sampling operation, this cylinder formula water sampler mainly includes: when the piston rod slides towards one end deviating from the water inlet pipe orifice, a water sample can be sucked into the sleeve from the water inlet, and after water collection is finished, the water sample is easily extruded out once the piston rod is influenced by external force; in order to solve the problems, a plug can be added at the water inlet in the prior art to plug the inner cavity of the syringe type water sampler.

However, in the above structure, there are two disadvantages, one is that when taking and installing the plug, one hand which originally supports and presses the piston rod needs to be loosened, so that in the process, the device is easy to shake or the piston rod is pushed by other external force to make the piston slide in the sleeve, the water sample in the device is easy to be extruded out, and when sampling is needed to be carried out multiple times at a certain time, the plug needs to be repeatedly taken, installed and disassembled every time, which is particularly troublesome; 2. the plug is small and easy to lose.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a portable water sampler, when it had solved the conventional syringe formula water sampler shutoff water inlet that exists among the prior art, the plug screw lost easily and the inconvenient problem of operation.

According to the utility model discloses an embodiment, a portable water sampler, it includes: a sleeve, a sealing disc and a telescopic rod, wherein,

the sleeve is provided with a cylindrical containing cavity, a piston is connected in the sleeve in a sliding mode, one end of the sleeve is communicated with a water inlet, and the other end of the sleeve is communicated with a vent hole;

the sealing disc is rotationally connected to one end of the sleeve, and a through hole which can be communicated with the water inlet is formed in the sealing disc;

the telescopic link with telescopic axis collineation, the canned paragraph fixed connection of telescopic link is in sealed epaxial, the flexible section of telescopic link is worn out the sleeve, just flexible section with piston fixed connection rotates the telescopic link can drive sealed dish is rotatory, so that the water inlet with the dislocation and then the shutoff of through-hole the water inlet.

The utility model discloses a working process does: when the water sampler sucks water, the through hole on the sealing disc is opposite to the water inlet, and at the moment, the telescopic rod is pulled towards the direction far away from the water inlet, so that the piston connected with the telescopic section of the telescopic rod slides along the inner wall of the sleeve, and a water sample is sucked into the sleeve; because the fixed section of the telescopic rod is connected to the sealing disc, when the telescopic rod is rotated, the sealing disc can be driven to rotate together, so that the through hole in the sealing disc is staggered with the water inlet, and the water inlet is sealed; to sum up, the utility model discloses a sealed dish that is connected with the telescopic link realizes the shutoff water inlet, no longer need additionally take the plug, and is realizing the in-process of shutoff, and both hands need not to leave the ware of adopting water, only can realize the shutoff to the water inlet through rotating the telescopic link, easy operation.

The utility model provides another kind of embodiment, the sleeve is equipped with two at least, each the sleeve from interior to exterior overlaps each other and establishes, and is adjacent the sleeve is along self axis sliding connection and the two mutual sealing.

Furthermore, a sliding block and a sliding rail are respectively arranged on the wall surfaces of the adjacent sleeves, and the extending direction of the sliding rail is parallel to the axial direction of the telescopic rod.

The utility model provides another kind of embodiment, each the slide rail orientation all be equipped with on one end of water inlet with each the groove is dodged to the coaxial arc of sleeve, set firmly the edge on the lateral wall of flexible section the axial spacing key of telescopic link, flexible section can drive the spacing key is together slide on the sleeve.

The utility model provides another kind of embodiment, telescopic one end is equipped with the recess of round platform shape, sealed dish with recess looks gomphosis.

The utility model provides another kind of embodiment, each the sleeve all adopts transparent material to make, and each be equipped with the scale on the telescopic lateral wall.

The utility model provides another kind of embodiment, be equipped with temperature sensor on the sleeve internal face, be equipped with on the telescopic outer wall with the display that the temperature sensor electricity is connected.

The utility model provides another kind of embodiment, the telescopic link is worn out telescopic serves and is equipped with the handle.

Drawings

Fig. 1 is a schematic diagram of an external structure of an embodiment of the present invention.

Fig. 2 is a schematic view of the internal structure of fig. 1.

Fig. 3 is a schematic structural diagram of the slider in fig. 1.

Fig. 4 is a schematic diagram of another specific structure of the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of the avoidance groove in fig. 4.

In the drawings, wherein: 1. a sleeve; 101. a first telescopic cylinder; 102. a second telescopic cylinder; 103. a third telescopic cylinder; 2. sealing the disc; 3. a telescopic rod; 301. a fixed section; 302. a telescopic section; 4. a piston; 5. a water inlet; 6. a slide rail; 7. a handle; 8. a seal ring; 9. an avoidance groove; 10. a magnet; 11. a slide block.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

Combine fig. 1 and fig. 2 to show, the embodiment of the utility model provides a portable water sampler is proposed, include: a sleeve 1, a sealing disc 2 and a telescopic rod 3, wherein,

the sleeve 1 is provided with a cylindrical cavity, the interior of the sleeve 1 is connected with a piston 4 in a sliding manner, the piston 4 divides the interior of the sleeve 1 into an upper chamber and a lower chamber, wherein the upper chamber is communicated with the outside through a vent hole (not shown in the figure) arranged at the top of the sleeve 1, the lower chamber is communicated with the outside through a water inlet 5 arranged at the bottom end of the sleeve 1, the axis of the water inlet 5 is not collinear with the axis of the sleeve 1, and in the embodiment, the water inlet 5 extends downwards to form a hollow cylindrical water inlet pipeline;

the bottom end of the sleeve 1 is fixedly provided with a rotating shaft coaxial with the sleeve, the sealing disc 2 is rotatably connected in the bottom end of the sleeve 1 through the rotating shaft (the sealing disc 2 and the sleeve 1 can only rotate relatively and cannot slide relatively along the axial direction of the sleeve), and the sealing disc 2 is provided with a through hole communicated with the water inlet 5;

telescopic link 3 and sleeve 1's axis collineation, telescopic link 3's fixed section 301 fixed connection is on sealed dish 2, and sleeve 1 is worn out to the one end of 3 flexible sections 302 of telescopic link, and the bottom and the 4 fixed connection of piston of this section, rotate telescopic link 3 and can drive sealed dish 2 rotations to make water inlet 5 and the dislocation of through-hole and then shutoff water inlet 5.

Adopt above-mentioned scheme:

when the water sampler sucks water, the through hole on the sealing disc 2 is opposite to the water inlet 5, and at the moment, the telescopic rod 3 is pulled towards the direction far away from the water inlet 5, so that the piston 4 connected with the telescopic section 302 of the telescopic rod 3 slides along the inner wall of the sleeve 1, and a water sample is sucked into the sleeve 1; because the fixed segment 301 of telescopic link 3 is connected on sealed dish 2, when rotating this telescopic link 3 so, can drive sealed dish 2 and together rotate for through-hole and the dislocation of water inlet 5 on sealed dish 2, and the realization is to the sealed of water inlet 5.

The utility model provides another kind of embodiment, it is shown with fig. 3 and fig. 4 to combine, under the circumstances of guaranteeing not to increase the volume size of adopting hydrophone itself as far as possible, for once only taking more water samples, sleeve 1 is equipped with two sections at least, in this embodiment to sleeve 1 is equipped with the three section as an example, and each section sleeve 1 is from interior to exterior respectively: the bottom ends of the outer wall surfaces of the first telescopic cylinder 101 and the second telescopic cylinder 102 are fixedly provided with an annular sealing ring 8 (the outer ring of the sealing ring 8 is attached to the inner wall surface of the second telescopic cylinder 102 or the third telescopic cylinder 103), the outer wall surfaces of the first telescopic cylinder 101 and the second telescopic cylinder 102 are also provided with a slide rail 6, the extending direction of the slide rail 6 is the same as the axial direction of the telescopic rod 3 (the bottommost end of the slide rail 6 does not penetrate through the sealing ring 8 all the time so as to ensure the sealing effect of the sealing ring 8), the top ends of the inner wall surfaces of the second telescopic cylinder 102 and the third telescopic cylinder 103 are fixedly provided with a slide block 11 matched with the slide rail 6, and when the slide block 11 is positioned in the slide rail 6, the water inlet 5 is just aligned with a through hole; by adopting the scheme, when the water sampler is idle, the sleeves 1 are sleeved together, the sliding block 11 is positioned at the bottom end of the sliding rail 6, when the water sampler is used, the first telescopic cylinder 101 can slide on the outer wall of the second telescopic cylinder 102 through the sealing ring 8 and the sliding rail 6 until the sliding block 11 moves to the bottommost end of the sliding rail 6, and the bottom end face of the sliding block 11 is pulled through the bottom end face of the sliding rail 6 to enable the second telescopic cylinder 102 to also slide on the third telescopic cylinder 103, so that the containing cavity enclosed by the inner walls of the telescopic cylinders is enlarged;

of course, as the number of the telescopic cylinders increases, the number of the telescopic sections 302 of the telescopic rod 3 also needs to be changed correspondingly, wherein the number of the telescopic sections 302 should be not less than the number of the telescopic cylinders, in this embodiment, in order to ensure the full utilization of the internal space of the sleeve 1, the telescopic section 302 is provided with three sections (in addition to the fixed section 301, that is, the telescopic rod 3 is composed of four sections), the length of each telescopic section 302 and the fixed section 301 is equal to the length of each sleeve 1, the piston 4 is fixed on the bottom end of the topmost telescopic section 302, in this structure, when the sleeves 1 are overlapped together (that is, the slide block 11 is located at the topmost end of the slide rail 6), the sections of the telescopic rod 3 are also overlapped together in the same manner, and since the sections are equal to the sleeve 1, at this time, one end of the telescopic section 302 where the piston 4 is fixed can just pass through the top end of the first telescopic cylinder 101, and the other end of the telescopic section 302 is pressed against the bottom end of the first telescopic cylinder 101 through the piston 4, and in this structure, the air in the first telescopic cylinder 101 can be completely discharged by the piston 4.

The utility model provides another embodiment, as shown in fig. 4 and 5, the implementation of this embodiment is mainly to drive the first telescopic cylinder 101 and the second telescopic cylinder 102 to rotate through the telescopic rod 3, and to make the two dislocate with the third telescopic cylinder 103, so as to realize the dislocation of the water inlet 5 and the through hole to seal the device; in this embodiment, the bottom end of each slide rail 6 is provided with an arc-shaped avoidance groove 9 coaxial with each sleeve 1, a limit key extending along the axial direction of the slide rail is fixedly arranged on the side wall of the telescopic section 302, and the limit key is connected with the top end key of the first telescopic cylinder 101, when the sleeve 1 drives the slide rail 6 to enable the slider 11 to slide to the bottom end of the slide rail 6, the telescopic rod 3 is rotated to drive the first telescopic cylinder 101 to rotate together through the limit key until the slider 11 on the second telescopic cylinder 102 slides into the avoidance groove 9 of the first telescopic cylinder 101, and the left end face of the slider 11 is extruded through the left end face of the avoidance groove 9 to drive the second telescopic cylinder 102 to rotate together until the slider 11 on the third telescopic cylinder 103 also slides into the avoidance groove 9 of the second telescopic cylinder 102, at this time, the through mutual rotation and dislocation of the first telescopic cylinder 101 and the third telescopic cylinder 103, and further the dislocation of the through hole on the sealing disc 2 and the water inlet 5 are driven to achieve the sealing effect, because the avoidance groove 9 itself can be used as an angle of the rotary avoidance mechanism, namely, when the slider 9 slides to the avoidance groove 9 and the adjacent left end face of the avoidance groove 11; the avoidance groove 9 rotates reversely until the slide block 11 adjacent to the avoidance groove 9 slides to the right end face of the avoidance groove 9, and the through hole is communicated with the water inlet 5; for strengthening the limiting effect of the avoiding groove 9, the left end surface of each avoiding groove 9 and the left end surface of each sliding block 11 can be respectively provided with a magnet 10 and an iron sheet which are mutually attracted, and when the through hole and the water inlet 5 are mutually dislocated, the rotation of each sleeve 1 can be prevented through the attraction effect of the magnet 10 and the iron sheet.

The utility model provides another embodiment, its main difference with above-mentioned embodiment lies in, this embodiment does not have above-mentioned dodging groove 9 and spacing key, makes between each sleeve 1 all can only slide on adjacent sleeve 1 along its axial, at this moment, rotates telescopic link 3 and can directly drive sealed dish 2 and rotate together, and realize the dislocation of through-hole and water inlet 5; in this embodiment, the structure is simpler than that of the previous embodiment, but at the same time, the angle limit of the avoiding groove 9 is lacked, and the through hole and the water inlet 5 need to be observed and aligned by human eyes (the device is made of transparent plastic materials); in the actual use process, the scheme can be judged according to specific conditions.

The utility model provides another kind of embodiment, for the sealed effect of reinforcing sealed dish 2 and water inlet 5, the interior terminal surface part undercut of 1 bottom of sleeve is in order to form round platform shape recess, sealed dish 2's bottom face downwardly convex and laminate all the time at sealed dish 2 rotation process with above-mentioned recess gomphosis and the two, and at this moment, sealed dish 2's top face flushes with the interior terminal surface of 1 bottom of sleeve.

The utility model provides another kind of embodiment, for making things convenient for the more clear understanding of staff to take the volume information of water sample, each sleeve 1 all adopts transparent material to make, and is equipped with scale (not shown in the figure) on each sleeve 1's the lateral wall, and in this embodiment, this transparent material is plastics.

The utility model provides another kind of embodiment, for in time knowing the temperature information of the water sample of gathering, be equipped with temperature sensor (not shown in the figure) on the wall face in sleeve 1, be equipped with the display (not shown in the figure) of being connected with the temperature sensor electricity on the face is kept away to sleeve 1 outward, and above-mentioned temperature sensor, display and the two electric connected mode are prior art, and here is no longer repeated.

Furthermore, one end of the telescopic rod 3 penetrating out of the sleeve 1 is provided with a handle 7 so as to facilitate the sliding or rotating of the telescopic rod 3 by a worker.

The utility model discloses a working process does: when the water sampler sucks water, the through hole on the sealing disc 2 is over against the water inlet 5, the telescopic rod 3 is pulled upwards and drives the piston 4 to slide upwards until the piston 4 is pressed against the top end of the first telescopic cylinder 101, at the moment, the telescopic rod 3 is continuously pulled upwards, the piston 4 can pull the first telescopic cylinder 101 to slide on the second telescopic cylinder 102 until the slide block 11 on the second telescopic cylinder 102 is pressed against the bottommost end of the slide rail 6 on the first telescopic cylinder 101, at the moment, the second telescopic cylinder 102 can be pushed to slide on the third telescopic cylinder 103 through the bottom end surface of the slide rail 6 on the first telescopic cylinder 101 until the slide block 11 on the third telescopic cylinder 103 also slides to the bottom end of the slide rail 6 on the second telescopic cylinder 102; in the process, as the interior of the sleeve 1 is communicated with the outside only through the through holes and the water inlet 5 all the time, the water sample can be sucked into the sleeve 1 through the water inlet 5; then, the telescopic rod 3 is rotated and drives the first telescopic cylinder 101 to rotate together until the slide block 11 on the second telescopic cylinder 102 slides into the avoiding groove 9 of the first telescopic cylinder 101, the slide block 11 is extruded through the wall surface of the avoiding groove 9, the second telescopic cylinder 102 is driven to rotate together at the same time, the slide block 11 of the third telescopic cylinder 103 also slides into the avoiding groove 9 of the second telescopic cylinder 102 and is extruded with the wall surface of the avoiding groove 9, at the moment, the through hole and the water inlet 5 are mutually dislocated, the end surface of the sealing disc 2 seals the water inlet 5, and the first telescopic cylinder 101, the second telescopic cylinder 102 and the telescopic rod 3 cannot easily rotate under the adsorption action of the magnet 10 and an iron sheet; when the water sample needs to be taken out, the outer wall surface of the third telescopic cylinder 103 can be held by one hand, the first telescopic cylinder 101 or the telescopic rod 3 can be rotated reversely by the other hand until the adsorption force of the magnet 10 is broken away, the slide blocks 11 on the second telescopic cylinder 102 and the third telescopic cylinder 103 are driven to slide away from the avoiding groove 9 in sequence, and then the telescopic rod 3 is slid downwards to extrude the water sample.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A portable water sampler, comprising: a sleeve (1), a sealing disc (2) and a telescopic rod (3), wherein,

the sleeve (1) is provided with a cylindrical containing cavity, a piston (4) is connected to the interior of the sleeve in a sliding mode, one end of the sleeve (1) is communicated with a water inlet (5), and the other end of the sleeve (1) is communicated with a vent hole;

the sealing disc (2) is rotatably connected to one end of the sleeve (1), and a through hole which can be communicated with the water inlet (5) is formed in the sealing disc (2);

telescopic link (3) with the axis collineation of sleeve (1), fixed section (301) fixed connection of telescopic link (3) is in on sealed dish (2), wear out flexible section (302) of telescopic link (3) sleeve (1), just flexible section (302) with piston (4) fixed connection rotates telescopic link (3) can drive sealed dish (2) are rotatory, so that water inlet (5) with the dislocation and then the shutoff of through-hole water inlet (5).

2. A portable water sampler as claimed in claim 1, wherein: the sleeve (1) is at least provided with two, each sleeve (1) is sleeved from inside to outside, and the adjacent sleeves (1) are connected in a sliding mode along the axis of the sleeves (1) and are sealed with each other.

3. A portable water sampler as claimed in claim 2, wherein: and the wall surfaces of the adjacent sleeves (1) are respectively provided with a sliding block (11) and a sliding rail (6), and the extending direction of the sliding rail (6) is parallel to the axial direction of the telescopic rod (3).

4. A portable water sampler as claimed in claim 3, wherein: each slide rail (6) orientation one of water inlet (5) is served and all is equipped with each the coaxial arc of sleeve (1) dodges groove (9) the edge has set firmly on the lateral wall of flexible section (302) telescopic link (3) axial spacing key, flexible section (302) can drive spacing key is together in slide on sleeve (1).

5. A portable water sampler as claimed in any one of claims 1 to 4 wherein: one end of the sleeve (1) is provided with a groove in a round table shape, and the sealing disc (2) is embedded with the groove.

6. A portable water sampler as claimed in claim 1, wherein: each sleeve (1) is made of transparent materials, and a graduated scale is arranged on the side wall of each sleeve (1).

7. A portable water sampler as claimed in claim 1, wherein: the temperature sensor is arranged on the inner wall surface of the sleeve (1), and the display electrically connected with the temperature sensor is arranged on the outer wall surface of the sleeve (1).

8. A portable water sampler as claimed in claim 1, wherein: one end of the telescopic rod (3) penetrating out of the sleeve (1) is provided with a handle (7).