CN117451412A

CN117451412A - Novel spiral turn button water sample collection device

Info

Publication number: CN117451412A
Application number: CN202311161870.2A
Authority: CN
Inventors: 徐存东; 訾亚辉; 陈文婷; 韩文浩; 胡小萌; 汪志航
Original assignee: North China University of Water Resources and Electric Power; Zhejiang University of Water Resources and Electric Power
Current assignee: North China University of Water Resources and Electric Power; Zhejiang University of Water Resources and Electric Power
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-01-26

Abstract

The invention discloses a novel screw knob water sample collecting device which comprises a lifting device, a filter screen box and a sampling device, wherein the sampling device is fixed in the filter screen box, the lifting device is used for lifting the filter screen box, the sampling device comprises a sampling bottle and a bottle opener, the sampling bottle is fixed at the bottom of the filter screen box, and the bottle opener is arranged above the sampling bottle. Aiming at the problem that the error in the sampling process is large, the closed water outlet and inlet of the sampler is designed, the device has good tightness, and the experimental error is greatly reduced; aiming at the problem of complicated sampling procedures, a water sample collecting device capable of greatly simplifying the sampling operation procedures is designed, the assembly and recovery procedures are simplified, and the carrying is convenient; aiming at the problem that the sampler is heavy and is not easy to operate, a stabilizing table and a supporting rod are designed, so that manpower is liberated, and a single person can easily complete a sampling experiment; the method aims at the problems of floater and flow velocity interference in the sampling process, a box filter screen is designed and adopted, and the self weight can carry a sampler to sink vertically, so that the step of binding a counterweight is abandoned.

Description

Novel spiral turn button water sample collection device

Technical Field

The invention belongs to the technical field of river water quality detection and sampling, and particularly relates to a novel spiral button water sample collecting device.

Background

In the processes of water quality analysis and research, water body organic matter content determination and the like, the problems of single water sample collection mode, complicated water sample extraction process, long time consumption, large error, difficult preservation and the like are often caused to be the human-caused problem. The conventional sampling device is also advanced continuously, but there are problems to be solved, such as inaccurate sampling result at the target water depth caused by the position deviation of the sampler due to the impact of water flow; the sampling operation procedure is complicated, and time and labor are wasted; the traditional acquisition device has heavy weight, is very inconvenient to move and operate, and needs to be completed by cooperation of multiple people; the water quality sampler is not tightly sealed, so that the sampling result is not tight.

The problems of the prior sampling device mainly include the following aspects:

1. the water sample collection mode is single: traditional water sample collection mode is usually put into the aquatic through manual or mechanical operation with the sample thief, and this kind of mode complex operation just causes the error easily, can't satisfy the demand of different sampling depth and position.

2. The water sample extraction process is complicated and takes long time: traditional water sample collection system needs to carry out a plurality of steps, including put into the aquatic with the sample thief, draw the water sample, seal the sample thief etc. these steps are loaded down with trivial details and take time for a long time, have reduced work efficiency.

3. The error is large: the conventional sampler is easily impacted by water flow to cause position deviation, so that the sampling result of the depth of the target water is inaccurate. In addition, due to inconvenient operation, an operator may generate errors in the sampling process, which further affects the accuracy of the sampling result.

4. Is not easy to store: the traditional water quality sampler is not tightly sealed, and is easy to cause the sampling result to be not strict. The water sample is easy to be polluted by the outside in the process of collecting, and the originality and the accuracy of the water sample are affected.

5. Heavy weight and inconvenient operation: the traditional acquisition device has the disadvantages of heavy weight, inconvenient movement and operation and requirement of being completed by multiple persons in a cooperative manner. For the case where frequent sampling is required, the operator spends more physical effort and time.

In summary, the existing water sample collecting device has the problems of single sampling mode, complicated water sample extracting process, long time consumption, large error, difficult preservation, large weight, inconvenient operation and the like. Therefore, a novel sampling device is required to be designed to solve the problems, the accuracy, the efficiency and the convenience of water sample collection are improved, the sampling step is simplified, the designated water depth sampling result is more strict, and the device is time-saving, labor-saving, efficient and stable.

Disclosure of Invention

Aiming at the problems, the invention provides a novel device for efficiently purifying water.

The invention solves the technical problems by adopting the scheme that: the utility model provides a novel spiral button water sample collection system, includes hoisting accessory, filter screen case and sampling device, and wherein sampling device fixes in the filter screen case, hoisting accessory hoist and mount filter screen case, sampling device includes sample bottle and bottle-opener, and wherein the sample bottle is fixed in the bottom of filter screen case, and the top at the sample bottle is installed to the bottle-opener.

The sampling bottle comprises a bottle body and a knob type bottle cap, and the knob type bottle cap is rotatably arranged on the bottle mouth of the bottle body; the bottle opener comprises a guide cylinder, a bottle clamping device and a motor, wherein the motor is arranged in the guide cylinder, a screw thread is arranged on a rotating shaft of the motor, a screw hole is formed in the upper portion of the bottle clamping device, the bottle clamping device is sleeved on the rotating shaft of the motor through the screw hole, a bottle cap groove is formed in the lower end of the bottle clamping device, and the bottle clamping device is sleeved on a knob type bottle cap through the bottle cap groove; the bottle opener also comprises an elastic bayonet lock, wherein a longitudinal clamping groove is formed in a rotating shaft of the motor, a vertical limiting chute is formed in the inner wall of the guide cylinder, and the elastic bayonet lock is sleeved in the clamping groove or the limiting chute through an ejected clamping block; the top of filter screen case is provided with the opening, is provided with the lock apron on the opening, and the box side is provided with the filter screen face, and the bottom of box is provided with the fixing base, and the fixing base is used for placing fixed sample bottle.

Further, the hoisting device comprises a stabilizing table and a supporting rod, wherein the stabilizing table is used for fixing, the supporting rod is installed on the stabilizing table, the supporting rod is inclined towards the upper side of the sampling water body, the collecting line group on the hoisting device bypasses the end part of the supporting rod to hoist the sampling device, and the sampling device is put into the sampling water body.

Further, the filter screen case includes box, apron and hasp, and the box top is through hinge installation apron, realizes opening and shutting of box through the apron upset, sets up the hasp on the box, through hasp locking apron after the apron lock, ensures that the box is closed, and the group of lines on the hoist device is connected on the apron.

Further, at least one side face of the filter screen box is set to be a filter screen face, water enters the box body through the filter screen face, a fixing seat is arranged at the bottom of the filter screen box, and a sampling device is installed through the fixing seat.

Further, the bottle clamping device is made of aluminum alloy, and anti-skid patterns are carved in the bottle cap groove of the bottle clamping device.

Further, the motor adopts a small waterproof motor, and an epoxy resin protective film is arranged on the outer side of the motor.

Further, the elastic bayonet lock adopts the mechanism of two-way flexible, fixes the uide bushing on the card bottle ware, the telescopic link of suit in the uide bushing, and the telescopic link middle part sets up the rack, simultaneously fixed driving motor on the card bottle ware, installs gear and rack engagement on the driving motor, realizes that the telescopic link stretches out cutting ferrule pivot or guide cylinder to both sides in turn through driving motor reciprocating rotation.

The invention has the beneficial effects that: aiming at the problem that the error in the sampling process is large, the closed water outlet and inlet of the sampler is designed, the device has good tightness, and the experimental error is greatly reduced; aiming at the problem of complicated sampling procedures, a water sample collecting device capable of greatly simplifying the sampling operation procedures is designed, the assembly and recovery procedures are simplified, and the carrying is convenient; aiming at the problem that the sampler is heavy and is not easy to operate, a stabilizing table and a lever are designed, so that manpower is liberated, and a single person can easily complete a sampling experiment; the method aims at the problems of floater and flow velocity interference in the sampling process, a box filter screen is designed and adopted, and the self weight can carry a sampler to sink vertically, so that the step of binding a counterweight is abandoned.

Compared with the existing sampling device, the bottle opener realizes the automatic opening and closing of the bottle opening of the sampling bottle in water, prevents the sampler from collecting water samples with different water levels in the sinking or recycling process, and reduces sampling errors; the controller controls the sampling device to ascend and descend, the stabilizing table and the lever provide support, and the device is time-saving, labor-saving, stable and reliable; the box filter screen can carry the sampling device to sink vertically due to the weight of the box filter screen, so that deviation of the measurement depth caused by water flow disturbance is avoided, the aluminum alloy material effectively prevents water body from being corroded, and the service life is prolonged; the sampling of different water depths can be realized, and accurate extraction of water samples at all water depths is ensured; the structure is simple, the assembly and the later recovery are easy, the line group can be recovered to the stabilizing table, and the stay bars are flexible and foldable, so that the carrying is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic perspective view of a sampling device.

Fig. 3 is a schematic cross-sectional view of a sampling device.

Fig. 4 is a schematic perspective view of the filter screen case.

Reference numerals in the drawings: 1. a lifting device; 2. a filter screen box; 3. bottle opener; 4. sampling bottle; 101. a stabilization table; 102. a brace rod; 201. a case; 202. a filter screen surface; 203. a cover plate; 204. locking; 205. a fixing seat; 301. a guide cylinder; 302. a motor; 303. a bottle clamping device; 304. an elastic bayonet lock; 305. a rotating shaft; 306. limiting sliding grooves; 307. a clamping groove; 308. and a bottle cap groove.

Description of the embodiments

Embodiment one: as shown in fig. 1, the invention provides a novel screw knob water sample collection device, which comprises a lifting device 1, a filter screen box 2 and a sampling device, wherein the lifting device 1 is arranged on the bank side of a sampling river channel, and the filter screen box 2 provided with the sampling device is lifted by the lifting device 1 and is sent to a water body to be sampled, so that the specific water body is sampled.

The lifting device 1 comprises a stabilizing table 101 used for fixing and a supporting rod 102 arranged on the stabilizing table 101, the supporting rod 102 is inclined towards the upper side of the sampling water body, the collection line group on the lifting device 1 bypasses the end portion of the supporting rod 102 to hoist the sampling device, and the sampling device is put into the sampling water body.

The stabilizing table 101 can be used for placing heavy objects and is used for bearing the whole sampling device, the furling wire group and the fixed stay bar 102; specifically, a winch or other equipment with a cable winding function is installed on the stabilizing table 101, an axle is arranged at the end part of the supporting rod 102, a furling line set bypasses the axle to suspend and connect with a sampling device, the line set adopts a rubber design and is used for supporting the weight of the box body 201, and a wire is arranged in the line set to control the sampling device.

The stay 102 may be a telescopic stay 102, and in particular, may be a similar structure as a fishing rod, and the telescopic design is easy to carry.

As shown in fig. 4, the filter screen box 2 includes a box 201, a cover plate 203 and a lock catch 204, the cover plate 203 is mounted above the box 201 through a hinge, the box 201 is opened and closed through the cover plate 203 being turned over, the lock catch 204 is arranged on the box 201, the cover plate 203 is locked by the lock catch 204 after the cover plate 203 is buckled, the box 201 is ensured to be closed, and a line group on a hanging device is connected to the cover plate 203.

At least one side surface of the filter screen box 2 is provided with a filter screen surface 202, water enters the box body 201 through the filter screen surface 202, floaters in water are prevented from interfering with the sampling process, a fixing seat 205 is arranged at the bottom of the filter screen box 2, and a sampling device is installed through the fixing seat 205.

As shown in fig. 2 and 3, the sampling device comprises a sampling bottle 4 and a bottle opener 3, wherein the sampling bottle 4 is fixed at the bottom of the filter screen box 2, and the bottle opener 3 is arranged above the sampling bottle 4; the sampling bottle 4 comprises a bottle body and a knob type bottle cap, and the knob type bottle cap is rotatably arranged on the bottle mouth of the bottle body; the bottle opener 3 comprises a guide cylinder 301, a bottle clamping device 303 and a motor 302, wherein the motor 302 is arranged in the guide cylinder 301, a rotating shaft 305 of the motor 302 is provided with threads, the upper part of the bottle clamping device 303 is provided with a threaded hole, the bottle clamping device 303 is sleeved on the rotating shaft 305 of the motor 302 through the threaded hole, the lower end of the bottle clamping device 303 is provided with a bottle cap groove 308, and the bottle clamping device 303 is sleeved on a knob type bottle cap through the bottle cap groove 308; the bottle opener 3 further comprises an elastic bayonet lock 304, wherein a longitudinal bayonet lock 307 is arranged on a rotating shaft 305 of the motor 302, a vertical limiting chute 306 is arranged on the inner wall of the guide cylinder 301, and the elastic bayonet lock 304 is sleeved in the bayonet lock 307 or the limiting chute 306 through an ejected clamping block.

The specific sampling process is, use hoisting accessory 1 to throw in filter screen case 2 in the water that needs the sample, install fixed sampling device in the filter screen case 2, filter screen case 2 has at least one side to set up to filter screen face 202, the sample water enters into the box with a net through this filter screen face 202, filters the floater in the water through filter screen face 202, avoids aquatic floater to produce the interference to the sampling process.

The cage can adopt an iron cage frame, can carry the sampling device to sink by depending on the self weight, and is provided with an opening at the top of the cage for placing sampling equipment in the early stage.

The sampling device comprises a bottle opener 3 and a sampling bottle 4, wherein the bottle opener 3 is arranged above the sampling bottle 4, automatic opening and closing of the sampling bottle are realized through the bottle opener 3, underwater automatic sampling is realized, pollution to sampling water caused by early or manual bottle opening is avoided, further accuracy of sampling water detection is affected, the bottle opener 3 can be directly arranged on the sampling bottle 4 and also can be fixed at the top of a net cage, and at the moment, when the net cage is buckled and closed, the bottle opener 3 is sleeved on the sampling bottle 4.

The sampling bottle 4 is a sampling bottle with a knob type bottle cap for maintaining tightness, the knob type bottle cap is automatically opened and closed through the bottle opener 3, in order to ensure that the sampling bottle is used for indeed collecting water to be detected, the bottle cap is required to be opened and separated from the bottle body, otherwise, the bottle cap is pressed at the bottle mouth due to low pressure in an empty bottle, and water is influenced to enter the sampling bottle.

The bottle opener 3 adopted by the invention can realize automatic opening of the bottle cap and can ensure separation of the bottle cap and the bottle body, wherein the rotating shaft 305 of the motor 302 is provided with the rotating shaft 305 with external threads, meanwhile, the rotating shaft 305 is provided with the longitudinal clamping groove 307, the inner wall of the guide cylinder 301 is provided with the limit sliding groove 306, and the elastic clamping pin 304 is fixed above the bottle opener 3. Before opening the bottle, an elastic bayonet lock 304 pops up to the guide cylinder 301, the bayonet lock is clamped in a longitudinal limit chute 306 at the inner side of the guide cylinder 301, at the moment, the guide cylinder 301 and the bottle opener 3 are fixed, the bottle opener 3 is limited to be unable to rotate due to the fact that the guide cylinder 301 is fixed, the bottle opener 3 moves downwards along the limit chute 306 under the action of a motor 302, and a bottle cap groove 308 below the bottle opener 3 is sleeved on a bottle cap of a sampling bottle; the elastic bayonet lock 304 is retracted, is separated from the limit chute 306 of the guide cylinder 301, and then the elastic bayonet lock 304 is reversely ejected and sleeved in the clamping groove 307 on the rotating shaft 305 of the motor 302, the bottle opener 3 and the rotating shaft 305 are fixed together, and can rotate along with the rotating shaft 305, and the bottle cap is rotated and opened from the sampling bottle through the rotation of the bottle opener 3. The depth of the bottle cap groove 308 is deeper, and when the bottle cap is rotated, even if the bottle opener 3 does not move up and down, the bottle cap can still realize the opening of the sampling bottle by moving up and down in the bottle cap groove 308, namely, in the rotating process, the bottle cap gradually enters into the bottle cap groove 308 and is deeper.

After the bottle cap is rotated and opened, the elastic bayonet lock 304 is reversed again and is separated from the bayonet slot 307 of the rotating shaft 305, the bayonet lock is clamped in the limit chute 306 of the guide cylinder 301, the motor 302 rotates to lift the bottle clamp 303, and the bottle cap is completely separated from the bottle body.

When the bottle cap is buckled, the elastic bayonet lock 304 is separated from the rotating shaft 305 and is clamped on the guide cylinder 301, the motor 302 drives the bottle clamping device 303 to move downwards, the bottle cap is clamped at the bottle mouth, then the elastic bayonet lock 304 is separated from the guide cylinder 301 and is clamped on the rotating shaft 305, the motor 302 drives the bottle clamping device 303 to rotate, the bottle cap knob seals the sampling bottle on the bottle body, and at the moment, the filter screen box 2 and the sampling device can be taken out through the lifting device 1 to finish water sampling.

The elastic bayonet 304 may be two miniature telescopic rods facing the motor 302 shaft 305 and the guide cylinder 301, or one bidirectional telescopic rod may be used to alternately clamp the shaft 305 or the guide cylinder 301. The embodiment provides a bidirectional telescopic mechanism, a guide sleeve is fixed on a bottle clamping device 303, a telescopic rod is sleeved in the guide sleeve, a rack is arranged in the middle of the telescopic rod, a driving motor is fixed on the bottle clamping device 303, a gear is mounted on the driving motor to be meshed with the rack, and the telescopic rod alternately extends out of a clamping sleeve rotating shaft 305 or a guide cylinder 301 towards two sides through reciprocating rotation of the driving motor.

The above detailed description of the present invention is merely illustrative or explanatory of the principles of the invention and is not necessarily intended to limit the invention. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention should be included in the scope of the present invention. For example, water permeable holes are arranged on the guide cylinder 301, so that the water inlet speed of the sampling bottle is improved.

Claims

1. The novel screw knob water sample collection device comprises a lifting device (1), a filter screen box (2) and a sampling device, wherein the sampling device is fixed in the filter screen box (2), the filter screen box (2) is lifted by the lifting device (1), and the novel screw knob water sample collection device is characterized in that the sampling device comprises a sampling bottle (4) and a bottle opener (3), wherein the sampling bottle (4) is fixed at the bottom of the filter screen box (2), and the bottle opener (3) is arranged above the sampling bottle (4);

the sampling bottle (4) comprises a bottle body and a knob type bottle cap, and the knob type bottle cap is rotatably arranged on the bottle mouth of the bottle body; the bottle opener (3) comprises a guide cylinder (301), a bottle clamping device (303) and a motor (302), wherein the motor (302) is arranged in the guide cylinder (301), a screw thread is arranged on a rotating shaft (305) of the motor (302), a threaded hole is formed in the upper portion of the bottle clamping device (303), the bottle clamping device (303) is sleeved on the rotating shaft (305) of the motor (302) through the threaded hole, a bottle cap groove (308) is formed in the lower end of the bottle clamping device (303), and the bottle clamping device (303) is sleeved on a knob type bottle cap through the bottle cap groove (308); the bottle opener (3) further comprises an elastic clamping pin (304), wherein a longitudinal clamping groove (307) is formed in a rotating shaft (305) of the motor (302), a vertical limiting chute (306) is formed in the inner wall of the guide cylinder (301), and the elastic clamping pin (304) is clamped in the clamping groove (307) or the limiting chute (306) through an ejected clamping block; the top of filter screen case (2) is provided with the opening, is provided with buckling apron (203) on the opening, and box (201) side is provided with filter screen face (202), and the bottom of box (201) is provided with fixing base (205), and fixing base (205) are used for placing fixed sample bottle (4).

2. The novel screw knob water sample collection device according to claim 1, wherein the lifting device (1) comprises a stabilizing table (101) used for fixing and a supporting rod (102) installed on the stabilizing table (101), the supporting rod (102) is inclined towards the upper side of the sampling water body, the collection line group on the lifting device (1) winds the end portion of the supporting rod (102) to lift the sampling device, and the sampling device is put into the sampling water body.

3. The novel spiral button water sample collection device according to claim 1, wherein the filter screen box (2) comprises a box body (201), a cover plate (203) and a lock catch (204), the cover plate (203) is installed above the box body (201) through a hinge, the box body (201) is opened and closed through the overturning of the cover plate (203), the lock catch (204) is arranged on the box body (201), the cover plate (203) is locked through the lock catch (204) after the cover plate (203) is buckled, the box body (201) is ensured to be closed, and a line group on the hanging device is connected to the cover plate (203).

4. A novel screw knob water sample collection device according to claim 1 or 3, characterized in that at least one side of the filter screen box (2) is provided with a filter screen surface (202), a water body enters the box body (201) through the filter screen surface (202), a fixing seat (205) is arranged at the bottom of the filter screen box (2), and the sampling device is installed through the fixing seat (205).

5. The novel screw knob water sample collection device according to claim 1, wherein the bottle clamping device (303) is made of aluminum alloy, and anti-skid patterns are carved in a bottle cap groove (308) of the bottle clamping device (303).

6. The novel screw knob water sample collection device according to claim 1, wherein the motor (302) is a small waterproof motor, and an epoxy resin protective film is arranged on the outer side of the motor.

7. The novel screw knob water sample collection device according to claim 1, wherein the elastic bayonet lock (304) adopts a bidirectional telescopic mechanism, a guide sleeve is fixed on the bottle clamping device (303), a telescopic rod is sleeved in the guide sleeve, a rack is arranged in the middle of the telescopic rod, meanwhile, a driving motor is fixed on the bottle clamping device (303), a gear is mounted on the driving motor to be meshed with the rack, and the telescopic rod alternately stretches out of the clamping sleeve rotating shaft (305) or the guide cylinder (301) towards two sides through the reciprocating rotation of the driving motor.