Portable water sampling device

Abstract

The utility model discloses a portable water sampling device, which is characterized by comprising a main container, a second container and a water sampling device, the top of the side wall of the main container is provided with a limiting structure, and the limiting structure comprises a first limiting hole; the expanding container is movably arranged in the main container, a fixing structure matched with the limiting structure is arranged at the bottom of the outer wall of the expanding container, the fixing structure comprises a buckling piece, and the buckling piece is matched with the first limiting hole; the expanding container can be contained in the main container, the main container can also be pulled out to expand the volume of the main container, and the purposes of increasing the water taking amount and improving convenience are achieved.

Description

Technical Field

[0001] The utility model relates to the field of sampling, in particular to a convenient water sampling device. Background Art

[0002] With the increasing demand for water environment quality monitoring, traditional water sampling methods have problems such as inconvenient sampling, long time consumption, and high labor costs. In order to solve these problems, portable water samplers came into being. They are portable, efficient, and accurate, making water quality monitoring more flexible and convenient. Portable water samplers are widely used in sampling work in various water environments, including but not limited to rivers, lakes, oceans, groundwater, and industrial wastewater. Portable water samplers play an important role in environmental monitoring, water quality assessment, ecological research, and emergency response to sudden water quality incidents.

[0003] A portable sampling device is a device used to collect water quality analysis samples (raw water, sewage, sludge, etc.). It is a necessary tool for collecting water samples for surface water, groundwater, sewage, and seawater monitoring. At present, most portable samplers on the market are shown in the figure. The device is equipped with a water inlet, a water inlet valve, a water outlet, and a water outlet closing system. Portable water samplers are usually made of corrosion-resistant, lightweight and durable materials, which can be stainless steel or plexiglass.

[0004] Although portable water samplers have many advantages, they may face some limitations in some special environments or special water quality conditions. For example, when the water volume exceeds 5L, the length of the water sampler is too long and will lose its portability. However, carrying a smaller sampler will increase the number of sampling times. For example, if a 1L sampler is used to take a 30L water sample, it will need to be repeatedly taken 30 times, which increases labor costs without losing the convenience. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art that the sampler is too long or the sampling frequency is too many, resulting in the loss of convenience and increased labor costs, the utility model provides a convenient water sampling device, including: a main container, a limiting structure is provided on the top of the side wall, and the limiting structure includes a first limiting hole; an extended container, movably installed in the main container, and a fixing structure cooperating with the limiting structure is provided on the bottom of the outer wall of the extended container, and the fixing structure includes a snap-fit ​​piece, and the snap-fit ​​piece cooperates with the first limiting hole.

[0006] In some embodiments, the fixing structure further includes a receiving groove disposed on the outer wall of the expansion container, a first spring is disposed in the receiving groove, and a snap-fit ​​component is connected to the first spring.

[0007] In some embodiments, a second limiting hole is provided at the top of the side wall of the expansion container, an upper cover body is provided at the top of the expansion container, a locking assembly is provided on the upper cover body, and the locking assembly includes a staple, which cooperates with the first limiting hole and the second limiting hole.

[0008] In some embodiments, the locking assembly further includes a push button and a second spring. A slide groove is provided on the upper cover body. The second spring is connected to a staple, and one end of the staple is connected to the push button.

[0009] In some embodiments, the upper cover comprises:

[0010] A fixing ring, mounted on the top of the expansion container, having an opening communicating with the expansion container;

[0011] A fixed shaft is installed in the opening of the fixed ring;

[0012] The pair of cover plates are respectively installed on both sides of the fixed shaft and are hinged with the fixed shaft.

[0013] In some embodiments, a handle is provided on the fixing ring.

[0014] In some embodiments, the expansion container includes a plurality of sleeves, each sleeve having a different radius, which are sequentially mounted in order of radius size.

[0015] In some embodiments, a lower cover body is provided at the bottom of the main container, a water inlet structure is provided on the lower cover body, the water inlet structure includes a limiting component with a water inlet, and a floating block is provided in the limiting component.

[0016] In some embodiments, the limiting assembly includes:

[0017] The limit retaining ring is provided with an annular step, and the water inlet is arranged at the center of the annular step;

[0018] The limit baffle is installed on the limit baffle ring through a plurality of columns.

[0019] In some embodiments, the lower cover is further provided with a water outlet structure, and the water outlet structure includes:

[0020] Water outlet;

[0021] A water outlet pipe connected to the water outlet;

[0022] Water stop clamp, used to clamp the water outlet pipe.

[0023] The beneficial effect of the utility model is as follows: the expansion container is installed in the main container, and the expansion container is not moved when it is not in use or the water intake is not high, so that the expansion container is always kept in the main container; when more water intake is needed, the expansion container can be gradually drawn out of the main container, and when the bottom of the outer wall of the expansion container gradually approaches the top of the side wall of the main container, the fixed structure on the expansion container will cooperate with the limiting structure on the main container, that is, the snap fastener will be snapped into the first limiting hole, so that the position of the expansion container stays at the position when it is snapped, and finally the bottom of the expansion container is on the same horizontal plane as the top of the main container, thereby expanding the volume of the main container and further improving the overall water intake; the expansion container can be accommodated in the main container, and the main container can also be drawn out to expand the volume of the main container, thereby achieving the purpose of both increasing the water intake and improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] Figure 1 are schematic diagrams of structures of some embodiments;

[0026] Figure 2 yes Figure 1 The cross-sectional view after the enlargement of the middle A part;

[0027] Figure 3 yes Figure 1 The cross-sectional view after the enlargement of the middle B part;

[0028] Figure 4 is a schematic structural diagram of a state in which the expansion container is pulled out of the main container in some embodiments;

[0029] Figure 5 yes Figure 4 The cross-sectional view of the enlarged section C.

[0030] Explanation of the accompanying drawings: 1. main container; 101. first limiting hole; 2. expansion container; 201. locking assembly; 202. snap fastener; 203. accommodating groove; 204. first spring; 205. second limiting hole; 206. primary sleeve; 207. secondary sleeve; 208. sealing ring; 3. upper cover; 301. staple; 302. push button; 303. second spring; 304. slide groove; 305. fixing ring; 306. fixing shaft; 307. cover plate; 308. handle; 4. lower cover; 401. water inlet structure; 402. float; 403. limiting retaining ring; 404. annular step; 405. limiting retaining plate; 406. column. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the concept, specific structure and technical effects of the utility model in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the formation of a better connection structure by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the creation of the utility model can be combined interchangeably without conflicting with each other.

[0032] The present embodiment provides a portable water sampling device, which is mainly used for collecting water samples in surface water, groundwater, sewage and seawater monitoring, and includes: a main container 1, a limiting structure is provided on the top of the side wall, and the limiting structure includes a first limiting hole 101; an expansion container 2, which is movably installed in the main container 1, and a fixing structure that cooperates with the limiting structure is provided on the bottom of the outer wall of the expansion container 2, and the fixing structure includes a snap-fit ​​member 202, and the snap-fit ​​member 202 cooperates with the first limiting hole 101.

[0033] During implementation, the expansion container 2 is installed in the main container 1. When it is not in use or the water intake is not high, the expansion container 2 is not moved so that the expansion container 2 is always kept in the main container 1. When more water intake is needed, the expansion container 2 can be gradually pulled out of the main container 1. When the bottom of the outer wall of the expansion container 2 gradually approaches the top of the side wall of the main container 1, the fixed structure on the expansion container 2 will cooperate with the limiting structure on the main container 1, that is, the fastener 202 will be inserted into the first limiting hole 101, so that the position of the expansion container 2 stays at the position when it is connected. Finally, the bottom of the expansion container 2 is on the same horizontal plane as the top of the main container 1, thereby expanding the volume of the main container 1 and further improving the overall water intake, thereby achieving the purpose of both increasing the water intake and improving convenience.

[0034] Specifically, one side of the top of the fastener 202 is a flat surface, and one side of the bottom of the fastener 202 has a curved surface. When the fastener 202 is inserted into the first limiting hole 101, the flat surface of the fastener 202 will contact the inner wall of the first limiting hole 101. The flat surface can better avoid excessive outward movement, and the curved surface at the bottom can facilitate pushing the expansion container 2 back to the main container 1. The main container 1 and the expansion container 2 are provided with volume scales, and a sealing ring 208 is provided at the bottom of the expansion container 2. The sealing ring 208 is made of rubber material and is attached to the inner wall of the main container 1 at the same time. The sealing ring 208 can prevent water samples from leaking out from between the main container 1 and the expansion container 2.

[0035] In some cases, the limiting structure includes an annular flange extending inward from the top of the main container 1, and the fixing structure includes an annular flange extending outward from the bottom of the expansion container 2. When the water intake needs to be increased, it can be gradually drawn out from the main container 1 until the annular flange on the expansion container 2 conflicts with the annular flange on the main container 1, and the main container 1 is lifted and retained at the bottom of the expansion container 2 by gravity.

[0036] In some embodiments, the fixing structure further includes a receiving groove 203 disposed on the outer wall of the expansion container 2 , a first spring 204 is disposed in the receiving groove 203 , and a latch 202 is connected to the first spring 204 .

[0037] During implementation, the first spring 204 will apply elastic force to the fastener 202 in the direction of the inner wall of the main container 1 so that the fastener 202 will hit the inner wall of the main container 1. When the fastener 202 is inserted into the first limiting hole 101, the first spring 204 will hit the fastener 202 in the first limiting hole 101, so that the fastener 202 will be more stably stuck in the first limiting hole 101, preventing the fastener 202 from detaching.

[0038] In some embodiments, a second limiting hole 205 is provided on the top of the side wall of the expansion container 2, an upper cover body 3 is provided at one end of the expansion container 2, a locking assembly 201 is provided on the upper cover body 3, and the locking assembly 201 includes a staple 301, and the staple 301 cooperates with the first limiting hole 101 and the second limiting hole 205.

[0039] When the expansion container 2 is accommodated in the main container 1, the pin 301 on the locking assembly will pass through the first limiting hole 101 and the second limiting hole 205 in sequence, thereby limiting the relative position of the main container 1 and the expansion container 2 when they are accommodated, and preventing the expansion container 2 from easily separating from the main container; when a larger water intake is required, the locking assembly can be pushed in the slide groove 304 to pull the pin 301 on the locking assembly out of the first limiting hole 101 and the second limiting hole 205, and then the expansion container 2 can be picked up from the main container 1, thereby increasing the overall volume and improving the water intake.

[0040] Specifically, the locking assembly also includes a push button 302 and a second spring 303. A slide groove 304 is provided on the upper cover body 3. A strip opening (not shown in the figure) is provided at the bottom of the slide groove 304. The second spring 303 is arranged in the slide groove 304. The staple 301 is L-shaped. One end of the staple 301 is connected to the push button 302, and the other end is used to pass through the first limiting hole 101 and the second limiting hole 205. The second spring 303 is connected to the staple 301 in the slide groove 304. The position of the staple 301 can be adjusted by pushing the push button 302.

[0041] In some embodiments, the upper cover body 3 includes: a fixing ring 305, installed on the top of the expansion container 2, and the fixing ring 305 has an opening communicating with the expansion container 2; a fixing shaft 306, installed in the opening of the fixing ring 305; a pair of cover plates 307, respectively installed on both sides of the fixing shaft 306, and hinged to the fixing shaft 306.

[0042] During implementation, the cover 307 is used to close the opening on the fixing ring 305. The cover 307 can be lifted on the fixing ring 305, and then the opening of the fixing ring 305 is opened to pour or pour water samples or other substances that can be put in. The cover 307 can also play the role of closing the opening to prevent dust and other substances from entering the water sample.

[0043] Specifically, the sliding groove 304 is arranged on the fixing ring 305 .

[0044] In some embodiments, a handle 308 is provided on the fixing ring 305 .

[0045] When sampling, the handle 308 on the fixing ring 305 can be held to facilitate extraction and sampling.

[0046] In some embodiments, the expansion container 2 includes a plurality of sleeves, each having a different radius, which are sequentially sleeved in order of radius size.

[0047] During implementation, sleeves are installed one by one outside the sleeve with the smallest radius in order from small to large radius, and then the whole is installed in the main container 1. The expansion container 2 composed of multiple sleeves can adjust different water intake according to the needs.

[0048] Specifically, in this embodiment, the expansion container 2 includes two sleeves, the sleeve with a larger radius is the primary sleeve 206, and the sleeve with a smaller radius is the secondary sleeve 207. The primary sleeve 206 is installed in the main container 1, and the secondary sleeve 207 is installed in the primary sleeve 206. The top of each sleeve is provided with a second limiting hole 205, and a fixing structure is provided. The fixing structure includes a snap 202 and a first spring 204. The primary sleeve 206 and the secondary sleeve 207 can be fixed to each other through the cooperation of the snap 202 and the second limiting hole 205. The primary sleeve 206 can be fixed to the main container 1 through the cooperation of the snap 202 and the first limiting hole 101. The upper cover body 3 is installed on the primary sleeve 206. When the volume is not expanded, The pin 301 of the locking assembly 201 on the upper cover 3 can pass through the first limiting hole 101 on the main container 1, the second limiting hole 205 on the primary sleeve 206, and the second limiting hole 205 on the secondary sleeve 207 in sequence, so as to lock the relative positions of the main container 1, the primary sleeve 206, and the secondary sleeve 207. The primary sleeve 206 and the secondary sleeve 207 are both provided with a sealing ring 208 at the bottom. The sealing ring 208 at the bottom of the primary sleeve 206 is attached to the inner wall of the main container 1, which can prevent the leakage of water samples between the primary sleeve 206 and the main container 1; the sealing ring 208 at the bottom of the secondary sleeve 207 is attached to the inner wall of the primary sleeve 206, which can prevent the leakage of water samples between the secondary sleeve 207 and the primary sleeve 206. The primary sleeve 206 and the secondary sleeve 207 can increase the overall volume, thereby increasing the water intake. Similarly, the same setting method is used for multiple sleeves.

[0049] In some embodiments, a lower cover body 4 is provided at the bottom of the main container 1, and the water inlet structure 401 includes a limiting component with a water inlet, and a floating block 402 is provided in the limiting component.

[0050] When water needs to be introduced, the air inside the sampling device floats up and is discharged from the upper cover 3. As the pressure inside the container decreases, the float 402 will be pushed open to form a water inlet channel, and the water sample enters the interior. In addition, during the sampling process, the sampling device is always in a sinking state, which ensures that the float 402 is always in an open state. When the sampling device is pulled back after sampling, the float 402 will be affected by gravity and the pressure of the water sample inside the container, closing the water inlet on the limit assembly, ensuring that the water inlet structure 401 has the characteristic of opening or closing the water inlet as needed. The limit assembly is used to limit the position of the float 402 to prevent the float 402 from floating up excessively with the water flow and being unable to return to the water inlet.

[0051] It should be noted that the floating block 402 is made of a material having a density close to or slightly greater than that of water.

[0052] In some embodiments, the limiting assembly includes: a limiting retaining ring 403, which is provided with an annular step 404, and the water inlet is arranged at the center of the annular step 404; and a limiting baffle 405, which is installed on the limiting retaining ring 403 through a plurality of columns 406.

[0053] During implementation, the float 402 is placed on the annular step 404 of the limit retaining ring 403, and the center of the annular step 404 is the water inlet. When no water is entering, the float 402 closes the water inlet on the annular step 404. When water is entering, the float 402 will be flushed by the water flow and the water flow enters the container, and the limit baffle 405 will limit the float 402 from moving into the container with the water flow. In addition, the column 406 can support the limit baffle 405 while limiting the movement of the float 402 from the side. The limit retaining ring 403, the limit baffle 405, and the column 406 together constitute a limit space. The float 402 is placed in the limit space, and the water flows in from the water inlet on the limit retaining ring 403, and then flows into the container from between the columns 406.

[0054] In some embodiments, the lower cover body 4 is also provided with a water outlet structure (not shown in the figure), a water outlet; a water outlet pipe connected to the water outlet; and a water stop clamp for clamping the water outlet pipe.

[0055] During implementation, the water outlet is connected to the water outlet pipe, and the water stop clamp is clamped on the water outlet pipe. When waterproofing is required, the water stop clamp housing is loosened to discharge the water sample in the container.

[0056] Specifically, the water outlet pipe is made of soft materials, such as a latex tube.

[0057] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A portable water sampling device, characterized in that: include: The main container has a limiting structure on the top of the side wall, and the limiting structure includes a first limiting hole; The expansion container is movably mounted in the main container. The bottom of the outer wall of the expansion container is provided with a fixing structure that cooperates with the limiting structure. The fixing structure includes a snap-fit ​​piece, and the snap-fit ​​piece cooperates with the first limiting hole.

2. The portable water sampling device according to claim 1, characterized in that: The fixing structure also includes a receiving groove arranged on the outer wall of the expansion container, a first spring is arranged in the receiving groove, and a snap-fit ​​piece is connected to the first spring.

3. The portable water sampling device according to claim 1, characterized in that: A second limiting hole is provided on the top of the side wall of the expansion container, an upper cover is provided on the top of the expansion container, a locking assembly is provided on the upper cover, and the locking assembly includes a staple, which cooperates with the first limiting hole and the second limiting hole.

4. The portable water sampling device according to claim 3, characterized in that: The locking assembly also includes a push button and a second spring. A sliding groove is provided on the upper cover body. The second spring is connected to a staple, and one end of the staple is connected to the push button.

5. The portable water sampling device according to claim 3, characterized in that: The upper cover body comprises: A fixing ring, mounted on the top of the expansion container, having an opening communicating with the expansion container; A fixed shaft is installed in the opening of the fixed ring; The pair of cover plates are respectively installed on both sides of the fixed shaft and are hinged with the fixed shaft.

6. The portable water sampling device according to claim 5, characterized in that: A handle is provided on the fixing ring.

7. The portable water sampling device according to claim 1, characterized in that: The expansion container includes a plurality of sleeves, each sleeve having a different radius, which are sequentially sleeved in order of radius size.

8. The portable water sampling device according to claim 1, characterized in that: A lower cover body is provided at the bottom of the main container, a water inlet structure is provided on the lower cover body, the water inlet structure comprises a limit assembly with a water inlet, and a floating block is provided inside the limit assembly.

9. The portable water sampling device according to claim 8, characterized in that: The limiting component comprises: The limit retaining ring is provided with an annular step, and the water inlet is arranged at the center of the annular step; The limit baffle is installed on the limit baffle ring through a plurality of columns.

10. The portable water sampling device according to claim 8, characterized in that: The lower cover body is also provided with a water outlet structure, and the water outlet structure comprises: Water outlet; A water outlet pipe connected to the water outlet; Water stop clamp, used to clamp the water outlet pipe.

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