Automatic water sample measuring device

Abstract

The invention relates to the technical field of water sample measuring and discloses an automatic water sample measuring device which comprises a circular frame, four bases are fixedly connected to the bottom of the circular frame, four sampling assemblies are arranged on the outer side of the circular frame, and four fixed circular pipes with different lengths are fixedly connected to the top of the circular frame. Buoyancy balls are arranged above the four fixed round pipes, and the sampling assembly comprises a sampling container. The four sampling containers are installed, the four fixed round pipes are arranged in different lengths, four water sources in different depths can be sampled in sequence, and buoyancy balls are arranged on the four fixed round pipes in different lengths and used for pulling different traction ropes at different depths, so that the water sources in different depths can be sampled. According to the mode, a worker does not need to carry a large number of tools and devices, the sampling difficulty is reduced, meanwhile, automatic sampling can be completed after the sampling containers enter water, the efficiency is higher, and the pulling force of the worker is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of water sample measurement, and specifically to an automatic water sample measurement device. Background Art

[0002] Water sample measurement devices are usually applied in water sample collection from large water areas such as rivers and lakes in environmental monitoring, as well as large-scale water sample detection in industrial production.

[0003] In the existing collection of large-area water samples from rivers, lakes, etc., usually, staff use containers to take samples from the river. This method can only take samples from the water source on the river surface. At the same time, since the water at different depths in the river may have different pollution levels, it is necessary for staff to use a variety of sampling devices to take samples of water at different depths. This not only requires carrying a large number of tools and devices, increasing the sampling difficulty, but also has a large manual labor intensity and low work efficiency. Therefore, we propose an automatic water sample measurement device. Summary of the Invention

[0004] The purpose of the present invention is to provide an automatic water sample measurement device to solve the problems raised in the above background art.

[0005] To solve the above technical problems, the present invention is realized through the following technical solutions:

[0006] The present invention is an automatic water sample measurement device, including a circular frame. Four bases are fixedly connected to the bottom of the circular frame. Four groups of sampling components are arranged on the outer side of the circular frame. Four fixing circular tubes with different lengths are fixedly connected to the top of the circular frame. Buoyancy balls are arranged above the four fixing circular tubes. The sampling component includes a sampling container. A pressure rod is slidably connected to the center of the top of the sampling container. A threaded rod is arranged in front of the pressure rod. The bottom of the threaded rod penetrates the sampling container and extends into the interior. The threaded rod is threadedly connected to the top of the sampling container. A square convex strip is fixedly connected to the outer surface of the pressure rod. A jack is opened at the top position of the square convex strip on the pressure rod. A piston is fixedly connected to the bottom of the pressure rod. A stable ring is fixedly connected to the top of the piston. The outer surface of the stable ring is slidably connected to the inner wall of the sampling container;

[0007] A positioning seat is arranged behind the pressure rod. The bottom of the positioning seat is fixedly connected to the top of the sampling container. A plug block is slidably connected inside the positioning seat. The front and back of the plug block penetrate through the positioning seat and extend to the outside. A convex ring is fixedly connected to the outer surface of the positioning seat. A spring is sleeved outside the plug block. A traction rope is fixedly connected to the back of the plug block. The plug block is adapted to the jack. The fixed circular tube is hollow. A second round hole is opened on one side of the fixed circular tube close to the sampling container. The opening of the second round hole is arc-shaped. Two hemispherical convex rings are fixedly connected to the outer surface of the fixed circular tube. The traction rope passes through the second round hole and penetrates into the fixed circular tube and extends to be fixedly connected to the bottom of the buoyancy ball; when the traction rope is pulled, it will slide in the second round hole on the fixed circular tube. Since the opening of the second round hole is arc-shaped, the friction can be reduced. And hemispherical convex rings are arranged outside the fixed circular tube, which can reduce the friction again and improve the service life of the traction rope.

[0008] Further, a turning handle is fixedly connected to the top of the threaded rod. Three fixing blocks are fixedly connected to the outer surface of the sampling container. Elastic ropes are fixedly connected to the tops of the three fixing blocks. Three first round holes are opened on the top of the sampling container. The openings of the three first round holes are all arc-shaped. The elastic ropes penetrate into the first round holes and extend to be fixedly connected to the top of the stabilizing ring. Three auxiliary wheels are arranged above the sampling container. The three auxiliary wheels correspond to the three first round holes respectively. Both ends of the auxiliary wheels are rotatably connected to supporting blocks. The bottoms of the supporting blocks are fixedly connected to the top of the sampling container. The elastic ropes are sleeved inside the auxiliary wheels; when the pressure rod is pressed, the piston will drive the three elastic ropes to stretch through the stabilizing ring. When the elastic ropes move, the tops slide on the auxiliary wheels, which can reduce the friction and improve the service life. And the openings of the first round holes are arc-shaped, which can reduce the friction of the elastic ropes again.

[0009] Further, an exhaust pipe is fixedly connected to the left side of the sampling container. One end of the bottom of the exhaust pipe penetrates through the sampling container and extends to the inside. A bottom plate is fixedly connected to the bottom of the inner wall of the sampling container. A water inlet is opened at the center of the bottom plate. A rubber sealing sheet is arranged on the top of the bottom plate. The front of the rubber sealing sheet is square. The square part of the front of the rubber sealing sheet is fixedly connected to the top of the bottom plate. An iron sheet is embedded inside the rubber sealing sheet; after the sampling container finishes sampling, the water inside will push the rubber sealing sheet downward to seal the water inlet at the center of the bottom plate. The iron sheet is used to play an auxiliary role and improve the sealing effect.

[0010] Further, an exhaust interface is fixedly connected to the top of the buoyancy ball. A rubber plug is inserted inside the exhaust interface. A pull rope is fixedly connected to the top of the rubber plug; after the sampling container finishes sampling in the water, the staff pulls the pull rope of the buoyancy ball on the shorter fixed circular tube to pull out the rubber plug. At this time, the gas in the buoyancy ball is discharged, and the whole device can sink.

[0011] Further, four groups of mounting components are provided on the outer side of the circular frame. A lifting ring is fixedly connected to the center of the top of the circular frame. The mounting component includes a fixed seat fixedly connected to the outer side of the circular frame. A T-shaped groove is formed inside the fixed seat. A stop rod is in contact with the top of the fixed seat. A rotating hole is formed inside the stop rod. A fixed shaft is rotatably connected inside the rotating hole. The bottom of the fixed shaft is fixedly connected to the top of the fixed seat; the sampling container is inserted into the T-shaped groove on the fixed seat through the T-shaped plug on the back, and then the stop rod is pushed to move it above the T-shaped groove, so as to seal the top of the T-shaped groove, complete the installation of the sampling container, and prevent the T-shaped plug from falling off, making the sampling container more stable after installation.

[0012] Further, a T-shaped plug is fixedly connected to one side of the sampling container close to the fixed seat. An elastic clamping block is arranged above the T-shaped plug. One side of the elastic clamping block close to the sampling container is fixedly connected to the surface of the sampling container. The T-shaped plug is inserted into the fixed seat through the T-shaped groove; the elastic clamping block has elasticity and can clamp and fix the stop rod to prevent the stop rod from detaching.

[0013] Further, a transparent scale plate is arranged on the front of the sampling container. The outer ring of the piston is in contact with the inner wall of the sampling container. One side of the plug close to the pressure rod is in contact with the surface of the square convex strip on the pressure rod. The bottom end of the elastic clamping block is triangular; the rotation of the turning handle will drive the threaded rod to move up or down to limit the reset position of the piston, so as to adjust the capacity in the sampling container and control the required sampling volume.

[0014] The present invention has the following beneficial effects:

[0015] (1) By installing four sampling containers in the present invention, and the four fixed round tubes are of different lengths, it is possible to sample water sources at four different depths in sequence. Buoyancy balls are arranged on the four fixed round tubes of different lengths to respectively pull different traction ropes at different depths, so as to realize the individual sampling of the four sampling containers. This method does not require the staff to carry a large number of tools and devices, reduces the sampling difficulty. At the same time, the sampling container can complete automatic sampling after entering the water, with higher efficiency and less pulling force from the staff.

[0016] (2) By pressing the pressure rod downward in the present invention, at this time, the pressure rod will drive the piston to move downward to discharge the air in the sampling container. When the piston moves, it will stretch three elastic ropes. When the piston moves to the position at the bottom of the exhaust pipe, the jack on the pressure rod moves to the position of the plug. At this time, the plug will spring into the jack under the elastic action of the spring, so as to limit and fix the pressure rod. At this time, the piston position is fixed and will not rebound and reset, which is convenient for driving the piston to move upward and reset under the elastic action during subsequent sampling and sucking water into the sampling container.

[0017] (3) When the handle of the present invention rotates, it will drive the threaded rod to move upward or downward. When the threaded rod moves downward, it will drive the piston to move downward. When the threaded rod moves upward, the piston will move upward following the threaded rod under the action of the elastic force of the elastic rope. At this time, the staff observes the corresponding scale position after the piston moves, so as to adjust the capacity in the sampling container, and can control the required sampling amount to meet the subsequent detection and other requirements.

[0018] Of course, it is not necessary for any product implementing the present invention to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the overall structure of the sampling container of the present invention;

[0022] Figure 3 It is a schematic diagram of the back structure of the sampling container of the present invention;

[0023] Figure 4 It is a schematic diagram of the internal sectional structure of the sampling container of the present invention;

[0024] Figure 5 For the present invention Figure 4 The enlarged schematic diagram of A in it;

[0025] Figure 6 It is a schematic diagram of the left side structure of the sampling container of the present invention;

[0026] Figure 7 It is a schematic diagram of the overall structure of the circular frame of the present invention;

[0027] Figure 8 For the present invention Figure 7 The enlarged schematic diagram of B in it;

[0028] Figure 9 It is a schematic diagram of the top structure of the buoyancy ball of the present invention.

[0029] In the drawings, the list of components represented by each label is as follows:

[0030] In the figure: 1. Circular frame; 11. Base; 12. Sampling component; 121. Sampling container; 211. First round hole; 122. Pressing rod; 221. Jack; 222. Piston; 223. Stabilizing ring; 123. Threaded rod; 124. Rotating handle; 125. Fixed block; 251. Elastic cord; 252. Auxiliary wheel; 253. Support block; 126. Positioning seat; 261. Insert block; 262. Convex ring; 263. Spring; 264. Traction cord; 127. Exhaust pipe; 128. Bottom plate; 281. Rubber sealing sheet; 282. Iron sheet; 13. Fixed round tube; 131. Buoyancy ball; 311. Exhaust interface; 312. Rubber plug; 313. Pull cord; 132. Second round hole; 133. Hemispherical convex ring; 14. Mounting component; 141. Fixed seat; 142. T-shaped insert block; 143. Elastic clamping block; 144. T-shaped groove; 145. Stop rod; 146. Fixed shaft; 2. Suspension ring. Detailed implementation manner

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0032] Please refer to Figures 1-9As shown in the figure, the present invention is an automatic water sample measuring device, which includes a circular frame 1. Four bases 11 are fixedly connected to the bottom of the circular frame 1. Four groups of sampling components 12 are arranged on the outer side of the circular frame 1. Four fixed circular tubes 13 with different lengths are fixedly connected to the top of the circular frame 1. Buoyancy balls 131 are arranged above the four fixed circular tubes 13. The sampling component 12 includes a sampling container 121. A pressure rod 122 is slidably connected to the center of the top of the sampling container 121. A threaded rod 123 is arranged in front of the pressure rod 122. The bottom of the threaded rod 123 penetrates through the sampling container 121 and extends into the interior. The threaded rod 123 is threadedly connected to the top of the sampling container 121. A square convex strip is fixedly connected to the outer surface of the pressure rod 122. A jack 221 is opened at the top position of the square convex strip on the pressure rod 122. A piston 222 is fixedly connected to the bottom of the pressure rod 122. A stabilizing ring 223 is fixedly connected to the top of the piston 222. The outer surface of the stabilizing ring 223 is slidably connected to the inner wall of the sampling container 121. Press the pressure rod 122 downward. At this time, the pressure rod 122 will drive the piston 222 to move downward, exhausting the air in the sampling container 121. When the piston 222 moves, three elastic ropes 251 will be stretched. When the piston 222 moves to the position at the bottom of the exhaust pipe 127, the jack 221 on the pressure rod 122 moves to the position of the plug 261. At this time, the plug 261 will spring into the jack 221 under the elastic action of the spring 263, thereby limiting and fixing the pressure rod 122. At this time, the piston 222 is fixed in position and will not rebound and reset, facilitating the subsequent sampling to drive the piston 222 to move upward and reset under the elastic action and suck water into the sampling container 121;

[0033] A positioning seat 126 is provided behind the compression bar 122. The bottom of the positioning seat 126 is fixedly connected to the top of the sampling container 121. A plug 261 is slidably connected inside the positioning seat 126. The front and back of the plug 261 penetrate through the positioning seat 126 and extend to the outside. A convex ring 262 is fixedly connected to the outer surface of the positioning seat 126. A spring 263 is sleeved outside the plug 261. A traction rope 264 is fixedly connected to the back of the plug 261. The plug 261 is adapted to the jack 221. The fixed circular tube 13 is hollow. A circular hole two 132 is opened on one side of the fixed circular tube 13 close to the sampling container 121. The opening of the circular hole two 132 is arc-shaped. Two hemispherical convex rings 133 are fixedly connected to the outer surface of the fixed circular tube 13. The traction rope 264 passes through the circular hole two 132 and penetrates into the fixed circular tube 13 and extends to be fixedly connected to the bottom of the buoyancy ball 131. By installing four sampling containers 121 and setting the four fixed circular tubes 13 to be of different lengths, water samples can be taken from four water sources at different depths in sequence. And buoyancy balls 131 are arranged on the four fixed circular tubes 13 of different lengths, which are used to pull different traction ropes 264 at different depths respectively, so as to realize the individual sampling of the four sampling containers 121. This method does not require the staff to carry a large number of tools and devices, reduces the sampling difficulty. At the same time, the sampling container 121 can complete automatic sampling after entering the water, with higher efficiency and less pulling force of the staff.

[0034] The top of the threaded rod 123 is fixedly connected to a turning handle 124. Three fixing blocks 125 are fixedly connected to the outer surface of the sampling container 121. Three elastic ropes 251 are fixedly connected to the tops of the three fixing blocks 125. Three circular holes one 211 are opened at the top of the sampling container 121. The openings of the three circular holes one 211 are all arc-shaped. The elastic ropes 251 penetrate into the circular holes one 211 and extend to be fixedly connected to the top of the stabilizing ring 223. Three auxiliary wheels 252 are arranged above the sampling container 121. The three auxiliary wheels 252 correspond to the three circular holes one 211 respectively. Both ends of the auxiliary wheels 252 are rotatably connected to support blocks 253. The bottoms of the support blocks 253 are fixedly connected to the top of the sampling container 121. The elastic ropes 251 are sleeved inside the auxiliary wheels 252. By rotating the turning handle 124, the threaded rod 123 will move up or down. When the threaded rod 123 moves down, the piston 222 will move down. When the threaded rod 123 moves up, the piston 222 will move up following the threaded rod 123 under the action of the elastic force of the elastic ropes 251. At this time, the staff observes the corresponding scale position after the piston 222 moves, so as to adjust the capacity inside the sampling container 121, and can control the required sampling volume to meet the subsequent detection and other requirements.

[0035] On the left side of the sampling container 121, an exhaust pipe 127 is fixedly connected. One end of the bottom of the exhaust pipe 127 penetrates through the sampling container 121 and extends to the inside. A bottom plate 128 is fixedly connected to the bottom of the inner wall of the sampling container 121. A water inlet is opened at the center of the bottom plate 128. A rubber sealing sheet 281 is arranged on the top of the bottom plate 128. The front of the rubber sealing sheet 281 is square. The square part of the front of the rubber sealing sheet 281 is fixedly connected to the top of the bottom plate 128. An iron sheet 282 is embedded in the rubber sealing sheet 281. When the sampling container 121 enters the water, the water will push the rubber sealing sheet 281 upward, opening the water inlet at the center of the bottom plate 128 so that the water can smoothly enter the sampling container 121.

[0036] A buoyancy ball 131 is fixedly connected to the top of an exhaust interface 311. A rubber plug 312 is inserted into the exhaust interface 311. A pull rope 313 is fixedly connected to the top of the rubber plug 312.

[0037] Four groups of installation components 14 are arranged on the outside of a circular frame 1. A hanging ring 2 is fixedly connected to the center of the top of the circular frame 1. The installation component 14 includes a fixed seat 141 fixedly connected to the outside of the circular frame 1. A T-shaped groove 144 is opened in the fixed seat 141. A stop bar 145 is in contact with the top of the fixed seat 141. A rotating hole is opened in the stop bar 145. A fixed shaft 146 is rotatably connected in the rotating hole. The bottom of the fixed shaft 146 is fixedly connected to the top of the fixed seat 141.

[0038] A T-shaped insertion block 142 is fixedly connected to one side of the sampling container 121 close to the fixed seat 141. An elastic clamping block 143 is arranged above the T-shaped insertion block 142. The side of the elastic clamping block 143 close to the sampling container 121 is fixedly connected to the surface of the sampling container 121. The T-shaped insertion block 142 is inserted into the fixed seat 141 through the T-shaped groove 144.

[0039] A transparent scale plate is arranged on the front of the sampling container 121. The outer ring of the piston 222 is in contact with the inner wall of the sampling container 121. The side of the insertion block 261 close to the pressure rod 122 is in contact with the surface of the square convex strip on the pressure rod 122. The bottom end of the elastic clamping block 143 is triangular.

[0040] In use, first install the four sampling containers 121 on the four fixed seats 141 respectively. When installing the sampling container 121, first insert the sampling container 121 into the T-shaped groove 144 on the fixed seat 141 through the T-shaped plug 142 on the back. After insertion, push the stop lever 145 to move it above the T-shaped groove 144, so as to seal the top of the T-shaped groove 144. The stop lever 145 will rotate on the fixed shaft 146 during movement. When the stop lever 145 contacts the elastic catch 143, it will push the elastic catch 143 upward, enabling the stop lever 145 to smoothly move to the top of the T-shaped groove 144. Subsequently, the elastic catch 143 will latch the stop lever 145 through elastic reset. At this time, the stop lever 145 can prevent the T-shaped plug 142 from falling off, making the sampling container 121 more stable after installation;

[0041] After the sampling container 121 is installed, fill the four buoyancy balls 131 with gas through the exhaust interface 311, and then insert a rubber plug 312 into the exhaust interface 311 to seal it. Subsequently, connect the hanging rings 2 with ropes, which is convenient to put the whole device into the river through the ropes. Then, the staff rotate the handles 124 on the four pressure rods 122 in turn. The rotation of the handle 124 will drive the threaded rod 123 to move up or down. When the threaded rod 123 moves downward, it will drive the piston 222 to move downward. When the threaded rod 123 moves upward, the piston 222 will move upward following the threaded rod 123 under the action of the elastic force of the elastic rope 251. At this time, the staff observe the corresponding scale position after the piston 222 moves, so as to adjust the capacity inside the sampling container 121. Since the front of the sampling container 121 is provided with scales and is transparent, it is convenient for the staff to observe the piston 222 inside;

[0042] After the adjustment is completed, the staff press the pressure rods 122 on the sampling container 121 downward in turn. At this time, the pressure rods 122 will drive the pistons 222 to move downward, exhausting the air inside the sampling container 121. The air inside the sampling container 121 will be discharged from the exhaust pipe 127. When the piston 222 moves, it will stretch the three elastic ropes 251. The top of the elastic ropes 251 will slide on the auxiliary wheels 252 during movement, which can reduce friction and improve service life. Moreover, the opening of the first round hole 211 is arc-shaped, which can further reduce the friction of the elastic ropes 251. When the piston 222 moves to the bottom position of the exhaust pipe 127, it will seal the exhaust pipe 127. At the same time, there is a gap between the bottom of the piston 222 and the bottom plate 128, and the jack 221 on the pressure rod 122 moves to the position of the plug 261. At this time, the plug 261 will spring into the jack 221 under the elastic action of the spring 263, thereby limiting and fixing the pressure rod 122. At this time, the position of the piston 222 is fixed and will not rebound and reset;

[0043] Finally, the entire device is thrown into the river, and the sinking position and sinking speed of the device are controlled by pulling the rope connected to the lifting ring 2, and the four pulling ropes 313 are taken separately. Since the lengths of the four fixed circular tubes 13 are different, the four fixed circular tubes 13 correspond to four sampling positions of different depths respectively. When the sampling container 121 enters the water, the water will push the rubber sealing sheet 281 upward to open the water inlet at the center of the bottom plate 128. When the first sampling position is reached, the buoyancy ball 131 on the shorter fixed circular tube 13 will pull the traction rope 264 under the action of buoyancy. At this time, the traction rope 264 will slide in the circular hole 132 on the fixed circular tube 13. Since the opening on the circular hole 132 is in an arc shape, the friction can be reduced. In addition, a hemispherical convex ring 133 is provided on the outer side of the fixed circular tube 13, which can further reduce the friction and increase the service life of the traction rope 264. After 264 is pulled, the plug block 261 will be pulled. At this time, the plug block 261 leaves the socket 221, thereby releasing the fixation of the socket 221. At this time, the piston 222 will be reset upward by the elastic force of the elastic rope 251. When the piston 222 resets upward, water will be sucked into the sampling container 121. When the top of the piston 222 contacts the bottom of the threaded rod 123, it stops. At this time, the sampling of the first sampling area is completed. At this time, the water flow in the sampling container 121 will push the rubber sealing sheet 281 downward to seal the water inlet in the center of the bottom plate 128. The iron sheet 282 is used to play an auxiliary role to improve the sealing effect. After the sampling is completed, the staff pulls the drawstring 313 of the buoyancy ball 131 on the shorter fixed circular tube 13 to pull out the rubber plug 312. At this time, the gas in the buoyancy ball 131 is discharged, and the device can be sunk again to sample the second area. The sampling of the third and fourth areas can be completed through the same steps as above;

[0044] When sampling at different depths is completed, the entire device is pulled out of the water, and then the blocking rod 145 is pushed to disengage it from the elastic block 143, releasing the limit of the T-shaped plug 142, and then the sampling container 121 is pulled upward and taken out. Finally, the staff pushes the rubber sealing sheet 281 upward from the bottom of the sampling container 121 to discharge the sample in the sampling container 121, completing the sampling work.

[0045] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An automatic water sample measuring device, comprising a circular frame (1), wherein the bottom of the circular frame (1) is fixedly connected with four bases (11), characterized in that: Four groups of sampling components (12) are arranged on the outside of the circular frame (1); four fixed circular tubes (13) of different lengths are fixedly connected to the top of the circular frame (1); a buoyancy ball (131) is arranged above each of the four fixed circular tubes (13); the sampling component (12) comprises a sampling container (121); a pressure rod (122) is slidably connected to the center of the top of the sampling container (121); four groups of mounting components (14) are arranged on the outside of the circular frame (1); the mounting components (14) comprise a fixing seat (141) fixedly connected to the outside of the circular frame (1); the sampling container (121) is close to the sampling container (121). A T-shaped plug (142) is fixedly connected to one side of the fixed seat (141); a threaded rod (123) is arranged in front of the pressure rod (122); the bottom of the threaded rod (123) penetrates the sampling container (121) and extends inside; the threaded rod (123) is threadedly connected to the top of the sampling container (121); a piston (222) is fixedly connected to the bottom of the pressure rod (122); a positioning seat (126) is arranged behind the pressure rod (122); the bottom of the positioning seat (126) is fixedly connected to the top of the sampling container (121); and a plug (261) is slidably connected inside the positioning seat (126).

2. The automatic water sample measuring device according to claim 1, characterized in that: The outer surface of the pressure rod (122) is fixedly connected with a square convex strip, and a plug hole (221) is provided at the top of the square convex strip on the pressure rod (122). The front and back sides of the plug block (261) both penetrate the positioning seat (126) and extend to the outside. The top of the piston (222) is fixedly connected with a stabilizing ring (223), and the outer surface of the stabilizing ring (223) is slidably connected to the inner wall of the sampling container (121). The outer surface of the positioning seat (126) is fixedly connected with a convex ring (262), and a spring (263) is sleeved on the outer side of the plug block (261). 61) is fixedly connected with a traction rope (264) on the back side, the plug block (261) is adapted to the socket (221), the fixed circular tube (13) is hollow, a second circular hole (132) is provided on the side of the fixed circular tube (13) close to the sampling container (121), the opening of the second circular hole (132) is arc-shaped, two hemispherical convex rings (133) are fixedly connected to the outer surface of the fixed circular tube (13), the traction rope (264) passes through the second circular hole (132) into the fixed circular tube (13) and extends to the bottom of the buoyancy ball (131) for fixed connection.

3. The automatic water sample measuring device according to claim 2, characterized in that: The top of the threaded rod (123) is fixedly connected with a turning handle (124); the outer surface of the sampling container (121) is fixedly connected with three fixing blocks (125); the tops of the three fixing blocks (125) are fixedly connected with elastic ropes (251); the top of the sampling container (121) is provided with three circular holes (211); the openings of the three circular holes (211) are all arranged in arcs; the elastic ropes (251) penetrate into the circular holes (211) and extend to the top of the stabilizing ring (223) for fixed connection; three auxiliary wheels (252) are arranged above the sampling container (121); the three auxiliary wheels (252) correspond to the three circular holes (211) respectively; both ends of the auxiliary wheels (252) are rotatably connected with support blocks (253); the bottom of the support block (253) is fixedly connected with the top of the sampling container (121); and the elastic ropes (251) are sleeved inside the auxiliary wheels (252).

4. The automatic water sample measuring device according to claim 3, characterized in that: An exhaust pipe (127) is fixedly connected to the left side of the sampling container (121); one end of the bottom of the exhaust pipe (127) penetrates the sampling container (121) and extends to the inside; a bottom plate (128) is fixedly connected to the bottom of the inner wall of the sampling container (121); a water inlet is provided at the center of the bottom plate (128); a rubber sealing sheet (281) is provided at the top of the bottom plate (128); the front of the rubber sealing sheet (281) is square; the square front of the rubber sealing sheet (281) is fixedly connected to the top of the bottom plate (128); an iron sheet (282) is embedded inside the rubber sealing sheet (281).

5. The automatic water sample measuring device according to claim 4, characterized in that: The top of the buoyancy ball (131) is fixedly connected to an exhaust port (311), a rubber plug (312) is inserted into the exhaust port (311), and the top of the rubber plug (312) is fixedly connected to a pull rope (313).

6. The automatic water sample measuring device according to claim 4, characterized in that: A lifting ring (2) is fixedly connected at the center of the top of the circular frame (1); a T-shaped slot (144) is provided inside the fixing seat (141); a blocking rod (145) contacts the top of the fixing seat (141); a rotating hole is provided inside the blocking rod (145); a fixed shaft (146) is rotatably connected inside the rotating hole; and the bottom of the fixed shaft (146) is fixedly connected to the top of the fixing seat (141).

7. The automatic water sample measuring device according to claim 6, characterized in that: An elastic block (143) is arranged above the T-shaped plug block (142); a side of the elastic block (143) close to the sampling container (121) is fixedly connected to the surface of the sampling container (121); and the T-shaped plug block (142) is plugged into the fixing seat (141) via a T-shaped slot (144).

8. The automatic water sample measuring device according to claim 5, characterized in that: A transparent scale plate is provided on the front of the sampling container (121), and the outer ring of the piston (222) is in contact with the inner wall of the sampling container (121).

9. The automatic water sample measuring device according to claim 7, characterized in that: The side of the insert block (261) close to the pressure rod (122) contacts the surface of the square convex strip on the pressure rod (122), and the bottom tail end of the elastic block (143) is arranged in a triangular shape.

Images