Water sample collector
The water sampler, designed with a mechanical structure, solves the problems of easy damage and complex operation of existing water samplers, achieving reliable water sample collection and depth control while reducing costs.
Patent Information
- Application Number
- CN202422984160.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing water samplers are prone to moisture damage when collecting samples in deep water areas, and the increased number of electrical components increases the risk of water leakage, leading to equipment damage. They are also expensive to purchase and cannot meet the needs of operators to easily control the opening and closing of the samplers while in the water.
The system employs a mechanical structure design, including a fastening device and an exhaust mechanism. The separation of the valve seat and valve disc is controlled by the positional movement of the valve stem, and the depth is determined by a water depth and pressure sensor, thus achieving mechanical control of water sample collection.
It improves the operational reliability and efficiency of the water sampler, reduces the risk of equipment damage, simplifies the operation process, and lowers procurement costs.
Smart Images
Figure CN223565299U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water sample collection equipment field, concretely relates to a water sample collector. BACKGROUND
[0002] With the increasing intensity of water resources development and utilization and the increasing speed of utilization, people's ecological environment consciousness is increasing, and the importance of water environment problems at home and abroad is also increasing. At present, water environment is regarded as the key in the related work of environmental protection and project environmental evaluation in China. As the water quality factor of water environment evaluation index, the water quality factor is an important index for measuring the damage degree of water area and the health of drinking water. Accurate water quality index can provide reliable basis for environmental protection. Water sample collection is an important part of water environment evaluation. It is not simply water sample collection because the water sample for analysis must be representative and accurately reflect the concentration and index of water quality parameters. Biochemical oxygen demand, nitrogen, phosphorus and other water quality parameters cannot be obtained by online monitoring, and must be measured offline according to the detection technology requirements. The accurate and reliable water quality parameter analysis result is based on the reliability of the collected sample. Because the abundance of various metal ions or non-metal ions in reservoirs, rivers and other surface waters changes with water depth, water samples need to be collected according to water depth in the area with large depth, so that the abundance of a certain metal ion or non-metal ion in the area can be comprehensively judged. From the cost point of view, using the sampler to collect water samples at a certain depth can greatly save the capital investment of sample collection equipment.
[0003] There are many commercially available water sample collectors for fixed depth. With the increasing functions of water sample collectors, the use of electrical components is greatly increased. However, due to the need of water sample collectors to collect water samples in water depth, the use of electrical components is very convenient, but if water seepage occurs, the damage probability of the water sample collector will increase. Moreover, the more functions the water sample collector has, the higher the procurement price will be. However, for the water sample collector used for collecting water samples in the conventional deep water area, the structure is reliable and not easy to be damaged by moisture, and the depth of the collector can be fed back. This is the most basic practical requirement. Therefore, there is room for improvement in the prior art to improve the opening and closing function of the sample collector using mechanical structure to collect water samples and to facilitate the operation personnel to control the opening and closing of the sample collector above the water layer, so as to meet the most practical needs of the field operation personnel and improve the application and promotion of related products. SUMMARY
[0004] In view of the deficiencies of the prior art, the utility model provides a water sample collector which can realize the opening and closing action of the sample collector by mechanical structure to improve the reliability of operation, so as to overcome the defects in the prior art.
[0005] The utility model discloses a technical scheme for: a water sample collector, including water sample containing bottle, water sample containing bottle's bottom on setting up lower connecting block, water sample containing bottle's bottom on setting up upper connecting block, upper connecting block and lower connecting block on setting up fastening device, fastening device include the connecting frame of lower connecting block towards upper connecting block one end setting, the clamping groove of upper connecting block, the clamping groove and connecting frame on setting screw rod and the nut of the screw rod on setting on the upper of clamping groove, water sample containing bottle lower side lower connecting block on setting up water sample passes through cavity, water sample passes through cavity outside lower connecting block on setting up first water inlet, water sample containing bottle towards water sample passes through cavity one end setting up second water inlet, second water inlet upper water sample containing bottle in setting up valve seat, valve seat on setting up valve clack, valve clack on setting up valve rod, water sample containing bottle inboard valve rod on along close to valve clack to the direction of far away valve clack and be sequentially provided with first connecting ring, spring and second connecting ring, water sample containing bottle and valve rod on setting up exhaust mechanism, exhaust mechanism include water sample containing bottle close to upper connecting block one end setting vent hole, vent hole on setting first sealing stop block and water sample containing bottle upper valve rod and first sealing stop block on setting first connecting rod.
[0006] Preferably, the number of fastening devices and exhaust mechanisms is several, and the several fastening devices and the several exhaust mechanisms are evenly distributed outside the central axis of the valve rod in a star shape. The bottom of the screw rod in each fastening device is hinged to the corresponding connecting frame. The clamping groove in each fastening device extends along the side wall of the upper connecting block towards the central axis of the upper connecting block. The upper connecting block adopts a ring structure.
[0007] Preferably, a first limiting groove is formed in the lower connecting block above the water sample passing cavity. The first limiting groove cooperates with the bottom of the water sample containing bottle. A second limiting groove is formed in the end of the upper connecting block towards the water sample containing bottle. The second limiting groove cooperates with the top of the water sample containing bottle.
[0008] Preferably, the diameter of the circle circumscribed on the bottom of the valve clack gradually increases as the height of the valve clack increases. The shape of the top of the valve seat cooperates with the shape of part of the bottom of the valve clack. A connecting pipe is arranged on the side of the valve clack towards the first connecting ring and on the side of the first connecting ring towards the valve clack. The valve clack is connected to the adjacent connecting pipe, and the first connecting ring is connected to the adjacent connecting pipe. A third limiting groove is arranged in the valve rod inside each connecting pipe. A limiting screw is arranged in each third limiting groove and the adjacent connecting pipe.
[0009] Preferably, a valve rod limiting pipe is arranged on the valve rod away from the spring side of the second connecting ring. A second connecting rod is arranged between the valve rod limiting pipe and the water sample containing bottle. The number of second connecting rods is several, and the several second connecting rods are evenly distributed outside the central axis of the valve rod in a star shape.
[0010] Preferably, the upper connecting block is provided with a first lifting ring above, the first lifting ring and the upper connecting block are provided with a connecting rope, the top end of the valve rod is provided with a second lifting ring, the second lifting ring is located above the upper connecting block, the diameter of the circumscribed circle of the bottom of the lower connecting block gradually decreases with the decrease of the height of the lower connecting block, and the bottom end of the lower connecting block is provided with a groove, and a water depth pressure sensor is arranged in the groove.
[0011] Preferably, the cross section of the vent hole inner cavity adopts an inverted convex letter shape structure, the first sealing block comprises a stepped cylindrical structure composed of a large diameter section and a small diameter section located below the large diameter section, the shape of the vent hole and part of the shape of the first sealing block are matched, the small diameter section is provided with a first sealing ring on one end of the large diameter section, the top end of the water sample containing bottle is provided with a sealing groove, the sealing groove extends along the top end of the water sample containing bottle towards the bottom end of the water sample containing bottle, the central axis of the sealing groove and the central axis of the valve rod are located on the same axis, and the second sealing ring and the sealing ring are sequentially arranged in the sealing groove from bottom to top, the second sealing ring and the sealing ring are sleeved on the valve rod, and the sealing ring is installed on the valve rod.
[0012] The utility model discloses beneficial effect is: first, the utility model discloses a product through the position of valve rod moves and then controls valve seat and valve lobe separation and vent hole and first sealing block separation, thereby facilitating realization water sample passes through first water inlet hole, water sample passes through cavity, second water inlet hole and the inner chamber of valve seat in proper order, and the air in sample containing bottle is discharged from the vent hole due to the entry of water sample, realizes the entry of water sample using mechanical structure, and simple operation, and the mechanical structure is high in reliability, and easy to maintain.
[0013] Secondly, the utility model discloses that the bottom end of the lower connecting block is provided with a groove, and a water depth pressure sensor is arranged in the groove, so that the water depth pressure sensor is convenient for judging the depth of the product.
[0014] Thirdly, the diameter of the circumscribed circle of the bottom of the lower connecting block gradually decreases with the decrease of the height of the lower connecting block, so that the shape of the bottom of the lower connecting block is convenient for guiding the water layer.
[0015] The utility model discloses simple structure, convenient operation, clever design, greatly improve work efficiency, have very good social and economic benefits, are the product that is easy to popularize and use. ACCURACY
[0016] Figure 1 It is partial section structure schematic diagram of the utility model.
[0017] Figure 2 It is Figure 1 It is partial schematic drawing of detail A.
[0018] Figure 3 For Figure 1 Detail B is a partial schematic view.
[0019] Figure 4 For the three-dimensional structure of the utility model is a schematic view.
[0020] Figure 5 For the cross-sectional structure of the utility model parts is a schematic view. DETAILED DESCRIPTION
[0021] As Figures 1 to 5 shown, a water sample collector, including water sample containing bottle 1, water sample containing bottle 1 bottom is provided with lower connecting block 2, water sample containing bottle 1 bottom is provided with upper connecting block 3, upper connecting block 3 and lower connecting block 2 are provided with fastening device, the fastening device includes the connecting frame 4 that lower connecting block 2 is provided with towards upper connecting block 3 one end, the clamping groove 5 that is opened in upper connecting block 3, the screw rod 6 that is provided with on clamping groove 5 and connecting frame 4, and the nut 7 that is provided with on screw rod 6 above clamping groove 5;Water sample containing bottle 1 below lower connecting block 2 is provided with water sample through cavity 8, the first water inlet hole 9 that is provided with on lower connecting block 2 outside water sample through cavity 8, water sample containing bottle 1 towards water sample through cavity 8 one end is provided with second water inlet hole 10, valve seat 11 is provided with in water sample containing bottle 1 above second water inlet hole 10, valve clack 12 is provided with on valve seat 11, valve stem 13 is provided with on valve clack 12, first connecting ring 14, spring 15 and second connecting ring 16 are sequentially provided with on valve stem 13 inside water sample containing bottle 1 along the direction close to valve clack 12 to far from valve clack 12, water sample containing bottle 1 and valve stem 13 are provided with exhaust mechanism, the exhaust mechanism includes the air vent hole 17 that water sample containing bottle 1 is provided with one end close to upper connecting block 3, the first sealing block 18 that is provided with on air vent hole 17 and the first connecting rod 19 that is provided with on valve stem 13 and first sealing block 18 above water sample containing bottle 1.
[0022] The number of the fastening devices and the exhaust mechanisms is several, and the several fastening devices and the several exhaust mechanisms are evenly distributed in a star shape outside the central axis of the valve rod 13. The bottom of the screw rod 6 in each fastening device is hinged to the corresponding connecting frame 4, and the clamping groove 5 in each fastening device extends along the side wall of the upper connecting block 3 towards the central axis of the upper connecting block 3. The installation of the several fastening devices facilitates the installation of the upper connecting block 3 and the lower connecting block 2 in place, thereby stabilizing the position of the water sample containing bottle 1. The upper connecting block 3 adopts a ring structure, thereby facilitating the passage of the valve rod 13 through the inner cavity of the upper connecting block 3. Further, the upper side of the upper connecting block 3 is provided with a first lifting ring 27, the first lifting ring 27 and the upper connecting block 3 are provided with a connecting rope 28, the top end of the valve rod 13 is provided with a second lifting ring 29, the second lifting ring 29 is located above the upper connecting block 3, and the outer diameter of the lower connecting block 2 gradually decreases as the height of the lower connecting block 2 decreases. A recess 30 is provided at the bottom end of the lower connecting block 2, and a water depth pressure sensor 31 is arranged in the recess 30. The bottom end of the water depth pressure sensor 31 is located above the bottom end of the lower connecting block 2.
[0023] The first limiting groove 20 is opened on the lower connecting block 2 above the through cavity 8, and the first limiting groove 20 cooperates with the bottom of the water sample containing bottle 1. The second limiting groove 21 is opened on the end of the upper connecting block 3 facing the water sample containing bottle 1, and the second limiting groove 21 cooperates with the top of the water sample containing bottle 1. Thus, the positioning of the water sample containing bottle 1 is realized by the shape of the first limiting groove 20, the shape of the water sample containing bottle 1, and the shape of the second limiting groove 21 and the shape of the water sample containing bottle 1.
[0024] The diameter of the outer circle of the bottom of the valve disc 12 gradually increases as the height of the valve disc 12 increases. The shape of the top of the valve seat 11 cooperates with the shape of the bottom of the valve disc 12. The side of the valve disc 12 facing the first connecting ring 14 and the side of the first connecting ring 14 facing the valve disc 12 are respectively provided with a connecting pipe 22. The valve disc 12 and the adjacent connecting pipe 22 are connected, and the first connecting ring 14 and the adjacent connecting pipe 22 are connected. The valve rod 13 inside each connecting pipe 22 is respectively provided with a third limiting groove 23, and each third limiting groove 23 and the adjacent connecting pipe 22 are respectively provided with a limiting screw 24. Thus, the first connecting ring 14 or the valve disc 12 is installed on the valve rod 13 by using the connecting pipe 22 and the corresponding third limiting groove 23 and limiting screw 24 of the connecting pipe 22.
[0025] A valve stem limiting tube 25 is provided on the valve stem 13 on the side of the second connecting ring 16 away from the spring 15. The valve stem limiting tube 25 has a tubular structure, and the central axis of the valve stem limiting tube 25 and the central axis of the valve stem 13 are located on the same axis, so as to facilitate the limiting of the movement direction of the valve stem 13 by using the valve stem limiting tube 25. A second connecting rod 26 is provided between the valve stem limiting tube 25 and the water sample container bottle 1. The number of second connecting rods 26 is several, and the several second connecting rods 26 are evenly distributed in a star shape on the outside of the central axis of the valve stem 13. Installing several second connecting rods 26 facilitates fixing the installation position of the valve stem limiting tube 25.
[0026] The cross-section of the vent 17 is an inverted convex shape. The first sealing block 18 comprises a stepped cylindrical structure consisting of a large-diameter section and a small-diameter section located below the large-diameter section. The shape of the vent 17 partially matches the shape of the first sealing block 18. A first sealing gasket 32 is provided on the end of the small-diameter section facing the large-diameter section. A sealing groove 33 is provided on the top of the water sample container 1. The sealing groove 33 extends from the top of the water sample container 1 towards the bottom of the water sample container 1. The central axis of the sealing groove 33 and the central axis of the valve stem 13 are aligned. Along the same axis, a second sealing washer 34 and a sealing ring 35 are arranged sequentially from bottom to top in the sealing groove 33. Both the second sealing washer 34 and the sealing ring 35 are fitted onto the valve stem 13. The sealing ring 35 is installed on the valve stem 13. The first connecting rods 19 of several exhaust mechanisms are connected to the side of the sealing ring 35, so that when the valve stem 13 moves up and down, the sealing ring 35 and the valve stem 13 move synchronously. The sealing ring 35 drives the first connecting rods 19 of several exhaust mechanisms to move up and down synchronously, thereby opening and closing the vent holes 17 of several exhaust mechanisms.
[0027] The instructions for using this product are as follows: Figures 1 to 5 As shown, the installation of this product needs to be completed before it can be put into use. The specific installation steps include: First, installing the lower connecting block 2 to the bottom of the water sample container bottle 1; then, installing the upper connecting block 3 to the water sample container bottle 1; then, sequentially installing the screws 6 of the fastening devices into the corresponding slots 5 and installing the corresponding nuts 7 above the slots 5 to fix the water sample container bottle 1; finally, installing the first rope on the first lifting ring 27 and the second rope on the second lifting ring 29. After completing the above operations, the installation of this product is completed.
[0028] Once the product is installed, staff can carry it to the target water area and use it to collect water samples. The specific steps include:
[0029] The staff puts the product into the target water area by the first rope, and the product gradually drops as the length of the first rope gradually increases, in the process of the product dropping, the lower connecting block 2 plays a guiding role and a counterweight role due to first contacting the water with a greater depth, thereby facilitating the product to gradually drop, and the water depth pressure sensor 31 feeds back a signal according to the depth of the product, thereby facilitating the staff to master the water depth area where the product is located. When the product reaches the target depth, the staff loosens the first rope and pulls the second rope, at this time, the weight of the water sample containing bottle 1, the lower connecting block 2 and the upper connecting block 3 serves as a driving force to compress the spring 15, so that the position of the valve rod 13 changes, thereby facilitating the valve seat 11 and the valve disc 12 to separate and the air hole 17 and the first sealing block 18 to separate, and the water sample in the target area enters the water sample containing bottle 1 through the first water inlet hole 9, the water sample passing cavity 8, the second water inlet hole 10 and the inner cavity of the valve seat 11 in turn, and the air in the water sample containing bottle 1 is discharged from the air hole 17 due to the entry of the water sample, and when the second rope is pulled and kept for a predetermined time, the water sample containing bottle 1 completes the collection of the water sample. When the collection of the water sample is completed, the second rope is loosened and the first rope is pulled again to drive the product to move upward to separate from the target water area, thereby completing the whole water sample collection process.
[0030] Through the embodiment, the product realizes the separation of the valve seat 11 and the valve disc 12 and the separation of the air hole 17 and the first sealing block 18 by moving the position of the valve rod 13, thereby facilitating the water sample to pass through the first water inlet hole 9, the water sample passing cavity 8, the second water inlet hole 10 and the inner cavity of the valve seat 11 in turn, and the air in the water sample containing bottle 1 is discharged from the air hole 17 due to the entry of the water sample; the mechanical structure is used to control the entry of the water sample, and the operation is simple, the mechanical structure is reliable and easy to maintain.
[0031] The above-mentioned embodiments are only preferred embodiments of the present application, and do not limit the implementation range of the present application, so that equivalent changes or modifications made according to the structure, features and principles of the patent range of the present application should be included in the patent range of the present application.
Claims
1. A water sampler, characterized in that: The system includes a water sample container (1), a lower connecting block (2) and an upper connecting block (3) on the bottom of the water sample container (1). Fastening devices are provided on the upper connecting block (3) and the lower connecting block (2). The fastening devices include a connecting frame (4) on the lower connecting block (2) facing the upper connecting block (3), a slot (5) on the upper connecting block (3), a screw (6) on the slot (5) and the connecting frame (4), and a nut (7) on the screw (6) above the slot (5). A water sample passage cavity (8) is provided on the lower connecting block (2) below the water sample container (1). A first water inlet (9) is provided on the lower connecting block (2) outside the water sample passage cavity (8). A fastening device is provided on the end of the water sample container (1) facing the water sample passage cavity (8). The second water inlet (10) is provided with a valve seat (11) inside the water sample container (1) above the second water inlet (10). A valve disc (12) is provided on the valve seat (11), and a valve stem (13) is provided on the valve disc (12). A first connecting ring (14), a spring (15), and a second connecting ring (16) are sequentially provided on the valve stem (13) inside the water sample container (1) along the direction from near the valve disc (12) to away from the valve disc (12). An exhaust mechanism is provided on the water sample container (1) and the valve stem (13). The exhaust mechanism includes a vent hole (17) provided at one end of the water sample container (1) near the upper connecting block (3), a first sealing block (18) provided on the vent hole (17), and a first connecting rod (19) provided on the valve stem (13) and the first sealing block (18) above the water sample container (1).
2. The water sample collector according to claim 1, characterized in that: The fastening device and the exhaust mechanism are both in multiples. The multiple fastening devices and the multiple exhaust mechanisms are evenly distributed in a star shape on the outside of the central axis of the valve stem (13). The bottom of the screw (6) in each fastening device is hinged to the corresponding connecting frame (4). The slot (5) in each fastening device extends along the side wall of the upper connecting block (3) toward the central axis of the upper connecting block (3). The upper connecting block (3) adopts a ring structure.
3. The water sample collector according to claim 1, characterized in that: The water sample is provided with a first limiting groove (20) on the lower connecting block (2) above the cavity (8). The first limiting groove (20) is matched with the bottom of the water sample container (1). The upper connecting block (3) is provided with a second limiting groove (21) on one end facing the water sample container (1). The second limiting groove (21) is matched with the top of the water sample container (1).
4. The water sample collector according to claim 1, characterized in that: The diameter of the circumscribed circle at the bottom of the valve disc (12) gradually increases as the height of the valve disc (12) increases. The shape of the top of the valve seat (11) matches the shape of the bottom of the valve disc (12). A connecting pipe (22) is provided on the side of the valve disc (12) facing the first connecting ring (14) and the side of the first connecting ring (14) facing the valve disc (12). The valve disc (12) is connected to the adjacent connecting pipe (22). The first connecting ring (14) is connected to the adjacent connecting pipe (22). A third limiting groove (23) is provided on the valve stem (13) inside each connecting pipe (22). A limiting screw (24) is provided on each third limiting groove (23) and the adjacent connecting pipe (22).
5. The water sample collector according to claim 1, characterized in that: The valve stem (13) on the side of the second connecting ring (16) away from the spring (15) is provided with a valve stem limiting tube (25). A second connecting rod (26) is provided between the valve stem limiting tube (25) and the water sample container (1). The number of the second connecting rods (26) is several, and the several second connecting rods (26) are evenly distributed in a star shape on the outside of the central axis of the valve stem (13).
6. The water sampler according to claim 1, characterized in that: A first lifting ring (27) is provided above the upper connecting block (3), and a connecting rope (28) is provided on the first lifting ring (27) and the upper connecting block (3). A second lifting ring (29) is provided on the top of the valve stem (13). The second lifting ring (29) is located above the upper connecting block (3). The diameter of the outer circle at the bottom of the lower connecting block (2) gradually decreases as the height of the lower connecting block (2) decreases. A groove (30) is provided at the bottom of the lower connecting block (2), and a water depth pressure sensor (31) is provided in the groove (30).
7. The water sample collector according to claim 1, characterized in that: The cross-section of the vent (17) is an inverted convex shape. The first sealing block (18) is a stepped cylindrical structure consisting of a large diameter section and a small diameter section located below the large diameter section. The shape of the vent (17) matches the shape of the first sealing block (18). A first sealing gasket (32) is provided on the end of the small diameter section facing the large diameter section. A sealing groove (33) is provided on the top of the water sample container (1). The sealing groove (33) extends along the top of the water sample container (1) toward the bottom of the water sample container (1). The central axis of the sealing groove (33) and the central axis of the valve stem (13) are on the same axis. A second sealing gasket (34) and a sealing ring (35) are arranged sequentially from bottom to top in the sealing groove (33). The second sealing gasket (34) and the sealing ring (35) are both fitted on the valve stem (13). The sealing ring (35) is installed on the valve stem (13).