CN214749073U

CN214749073U - Water quality sampling device for environmental monitoring

Info

Publication number: CN214749073U
Application number: CN202120870322.7U
Authority: CN
Inventors: 朱爱华; 魏苏凤; 季竹敏; 任莹莹; 韩婷; 曹敏; 刘天; 赵颖; 赵逸; 吴庆庆
Original assignee: Jiangsu Dongxin Agricultural Products Testing Co ltd
Current assignee: Jiangsu Dongxin Agricultural Products Testing Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-16
Anticipated expiration: 2031-04-26

Abstract

The utility model relates to the technical field of water quality sampling, in particular to a water quality sampling device for environmental monitoring; the utility model adopts the handwheel to drive the second shaft to rotate, and the rack drives the sampling bottle to move through the second plate based on the cooperation of the worm gear and the gear rack, thereby being convenient to extend to the depth of the water level to be sampled; meanwhile, the reel is driven to rotate to synchronously pay off, so that the pull rope is kept to be loosened, the pressure spring presses the bottle stopper against the bottle opening, and advanced water inflow is avoided when the bottle stopper moves downwards; when the sampling bottle moves downwards to the water level to be sampled, the pull rope is pulled upwards to drive the bottle plug to move upwards so as to open the bottle mouth for sampling; on the contrary, after sampling is finished, the pull rope is released, and the bottle plug presses the bottle mouth again under the action of the pressure spring; when the sampling bottle is recovered after sampling is finished, the second shaft is reversely rotated through the hand wheel, the situation that the sampling bottle is driven by the rack to move upwards is realized, the bottle stopper is kept to press the bottle opening, and the sampling bottle is prevented from flowing into water at other water levels in the process of moving upwards to cause influence.

Description

Water quality sampling device for environmental monitoring

Technical Field

The utility model relates to a water sampling technical field, concretely relates to a water sampling device for environmental monitoring.

Background

Environmental monitoring refers to the activities of environmental monitoring mechanisms to monitor and measure environmental quality conditions. The water environment monitoring is an important step of the environment monitoring, and for the water environment monitoring, sampling analysis is carried out on different water levels in a common mode.

The patent is CN 202021174326.3's a sewage quality of water sampling device, including vertical and the end multi-stage telescopic rod that stretches out downwards, multi-stage telescopic rod can be fixed after the extension, the right side of the telescopic link of multi-stage telescopic rod lower extreme one-level is equipped with an axis rather than the ring parallel, coaxial demountable installation has an upper end open-ended sampling bottle in the ring, the bottleneck department of sampling bottle is equipped with a big-end-up's toper funnel soon, toper funnel's top is equipped with one and can be with the toper end cap of its shutoff, toper funnel's top is equipped with a horizontal pole of fixing on multi-stage telescopic rod, be equipped with a pressure spring between toper end cap and the horizontal pole, the upper end at the toper end cap is fixed to the one end of pressure spring, the other end is fixed on the horizontal pole, the top of horizontal pole is equipped with a balloon, tie up and tie up a rope on the balloon, the free end of rope is worn the horizontal pole and is passed the upper end face of pressure spring after-fixing at the toper end cap.

The telescopic rod is used for compensating high fall, and meanwhile, buoyancy generated by the fact that the balloon floats on the water surface is used as power for driving the conical plug to open, so that the sampling bottle can be opened only after reaching the specified depth; however, after the balloon is blown, the buoyancy is constant, so that the depth which can be sampled by each use is fixed. This results in that the balloon needs to be repeatedly inflated and deflated to different degrees in order to realize sampling at different depths, which is troublesome.

Therefore, the inventor designs a water quality sampling device for environmental monitoring to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the technical problem provided by the background art and provide a water sampling device for environmental monitoring.

(II) technical scheme

A water sampling device for environmental monitoring comprises an outer barrel, a rack, a sampling bottle and a telescopic assembly, wherein the upper section of the rack is upwards inserted into the outer barrel, a first plate and a second plate are arranged on the right side of the lower section of the rack at intervals from top to bottom, a clamping hole is formed in the second plate, the sampling bottle penetrates through and is clamped with the clamping hole, a bottle plug is arranged at the bottle opening at the top of the sampling bottle, and the top surface of the bottle plug is connected with the bottom surface of the first plate through a pressure spring;

the telescopic component comprises a driving gear, a first shaft, a second shaft, a lower support plate and an upper support plate; the upper support plate and the lower support plate are connected to the outer wall of the right side of the outer barrel at intervals; the first shaft penetrates through and rotates to connect the upper support plate and the lower support plate, a hand wheel is arranged at the top end of the first shaft, and a worm is connected at the bottom end of the first shaft; the worm is meshed with a worm wheel which is arranged at the outer end of a second shaft, the second shaft extends into the outer barrel and is provided with a driving gear, and the driving gear is meshed with the rack; a first bevel gear is arranged on the first shaft, a second bevel gear is vertically meshed with the first bevel gear, the second bevel gear is arranged at the left end of the third shaft, and the right end of the third shaft penetrates through the upper support plate and is provided with a reel; the reel leads out a pulling rope which downwards passes through the first plate and is connected with the bottle plug.

Preferably, the driving gear is arranged close to the bottom end of the outer barrel, and a limiting plate is further arranged at the top end of the rack.

Preferably, when the first shaft rotates to drive the rack to move downwards, the wire is synchronously paid off by the winding wheel, the pull rope is kept to be loosened, and the bottle stopper is pressed by the pressure spring.

Optionally, the first plate is further provided with symmetrical wire guiding wheels, and the pull rope penetrates through the space between the two wire guiding wheels.

Optionally, a rubber strip is arranged in the inner ring of the clamping hole.

Optionally, the helix angle of the worm is less than the angle of friction between the worm wheel and the worm.

(III) advantageous effects

The utility model provides a water sampling device for environmental monitoring, which adopts a hand wheel to drive a second shaft to rotate, so that the second shaft drives a worm to rotate, the worm drives a worm wheel to drive a coaxial driving gear to rotate, and the driving gear drives a rack to move downwards, and then a second plate drives a sampling bottle to synchronously move downwards, thereby conveniently extending to the water level depth to be sampled; meanwhile, the first bevel gear on the first shaft rotates along with the first bevel gear, and drives the second bevel gear to drive the coaxial winding wheel to rotate, so that the winding wheel synchronously carries out paying-off, the pull rope is kept to be loosened, the bottle plug is pressed by the pressure spring, and advanced water inflow caused by the fact that the bottle plug moves upwards relative to the bottle opening when moving downwards to open the bottle opening is avoided; when the sampling bottle moves downwards to the water level to be sampled, the pull rope is pulled upwards to drive the bottle plug to move upwards, and then the bottle opening can be opened for sampling; on the contrary, after sampling is finished, the pull rope is released, and the bottle plug presses the bottle mouth again under the action of the pressure spring; when the sampling bottle is recovered after sampling is finished, the second shaft is reversely rotated through the hand wheel, the situation that the sampling bottle is driven by the rack to move upwards is realized, the bottle stopper is kept to press the bottle opening, and the sampling bottle is prevented from flowing into water at other water levels in the process of moving upwards to cause influence.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only for the purpose of the present invention, protecting some embodiments, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a block diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a side view of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

101-outer cylinder, 102-rack, 103-first plate, 104-second plate, 105-sampling bottle, 106-bottle stopper, 107-pressure spring, 108-pull rope, 109-guide wheel, 110-rubber strip, and 111-limit plate;

201-driving gear, 202-first shaft, 203-worm gear, 204-worm, 205-second shaft, 206-lower support plate, 207-upper support plate, 208-hand wheel, 209-first bevel gear, 210-second bevel gear, 211-third shaft and 212-reel.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third," if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to the attached drawings, the water quality sampling device for environmental monitoring comprises an outer barrel 101, a rack 102, a sampling bottle 105 and a telescopic assembly, wherein the upper section of the rack 102 is upwards inserted into the outer barrel 101, the upper side and the lower side of the lower section of the rack 102 are connected with a first plate 103 and a second plate 104 at intervals, a clamping hole is formed in the second plate 104, the sampling bottle 105 penetrates through and is clamped with the clamping hole, a bottle stopper 106 is arranged on the bottle opening at the top of the sampling bottle 105, and the top surface of the bottle stopper 106 is connected with the bottom surface of the first plate 103 through a pressure spring 107;

the telescopic assembly comprises a driving gear 201, a first shaft 202, a second shaft 205, a lower support plate 206 and an upper support plate 207; the upper support plate 207 and the lower support plate 206 are connected to the outer wall of the right side of the outer cylinder 101 at intervals; a first shaft 202 penetrates through and is rotatably connected with an upper support plate 207 and a lower support plate 206, the top end of the first shaft is fixedly connected with a hand wheel 208, and the bottom end of the first shaft is connected with a worm 204; the worm 204 is meshed with a worm wheel 203, the worm wheel 203 is fixedly connected to the outer end of a second shaft 205, the second shaft 205 extends into the outer cylinder 101 and is fixedly connected with a driving gear 201, and the driving gear 201 is meshed with the rack 102; a first bevel gear 209 is fixedly connected to the first shaft 202, a second bevel gear 210 is vertically meshed with the first bevel gear 209, the second bevel gear 210 is fixedly connected to the left end of a third shaft 211, and the right end of the third shaft 211 penetrates through the upper support plate 207 and is fixedly connected with a reel 212; the reel 212 draws out the pull rope 108, and the pull rope 108 passes through the first plate 103 downwards and is connected with the bottle stopper 106.

When the device is used, an empty sampling bottle 105 is clamped into the clamping hole, the bottle mouth faces upwards, and the bottle plug 106 seals the bottle mouth under the action of the pressure spring 107;

the top end of the outer cylinder 101 is held by hand, and the second shaft 205 is driven to rotate by the hand wheel 208; the second shaft 205 drives the worm 204 to rotate, the worm 204 drives the worm wheel 203 to drive the coaxial driving gear 201 to rotate, so that the driving gear 201 drives the rack 102 to move downwards, and further the second plate 104 drives the sampling bottle 105 to synchronously move downwards, so that the sampling bottle can conveniently extend to the depth of the water level to be sampled;

it should be noted that when the first shaft 202 rotates to drive the rack 102 to move downwards, the first bevel gear 209 on the first shaft 202 also rotates, and drives the second bevel gear 210 to drive the coaxial reel 212 to rotate, so that the reel 212 synchronously carries out paying-off, the pull rope 108 is kept loosened, the pressure spring 107 presses the bottle stopper 106 against the bottle opening, and advanced water inflow caused by opening the bottle opening due to the fact that the bottle stopper 106 moves upwards relative to the bottle opening when moving downwards is avoided;

when the sampling bottle 105 moves downwards to the water level to be sampled, the pull rope 108 is pulled upwards to enable the pull rope 108 to drive the bottle plug 106 to move upwards, and then the bottle mouth can be opened for sampling; on the contrary, after sampling is finished, the pulling rope 108 is released, and the bottle stopper 106 presses the bottle mouth again under the action of the pressure spring 107;

when the sampling bottle is withdrawn after sampling, the second shaft 205 is reversely rotated by the hand wheel 208, and the above is opposite, so that the rack 102 drives the sampling bottle 105 to move upwards, and meanwhile, the bottle stopper 106 is kept pressing the bottle opening, and the sampling bottle 105 is prevented from flowing into water at other water levels in the process of moving upwards to cause influence.

Referring to the drawings, it is suggested that the driving gear 201 is disposed near the bottom end of the outer tub 101, so as to achieve maximum movement of the rack 102; the top end of the rack 102 is further connected with a limiting plate 111, on one hand, the rack 102 is guided to move, and on the other hand, the rack 102 is prevented from falling off due to excessive downward movement.

Example 2

On the basis of the example 1, the method comprises the following steps of,

the first board 103 is also provided with symmetrical wire guide wheels 109, and the pull rope 108 passes through between the two wire guide wheels 109 so as to guide the pull rope 108;

the rubber strip 110 is arranged in the inner ring of the clamping hole, so that the friction force is improved, and the clamping effect is enhanced;

the unfolding spiral angle of the worm 204 is smaller than the friction angle of the worm wheel 203 and the worm 204, so that the worm wheel and the worm can be self-locked, and the rack 102 is prevented from moving by itself.

In the description herein, references to the description of the terms "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A water quality sampling device for environmental monitoring comprises an outer barrel (101), a rack (102), a sampling bottle (105) and a telescopic assembly, and is characterized in that the upper section of the rack (102) is upwards inserted into the outer barrel (101), a first plate (103) and a second plate (104) are arranged on the right side of the lower section of the rack (102) at intervals from top to bottom, a clamping hole is formed in the second plate (104), the sampling bottle (105) penetrates through and is clamped with the clamping hole, a bottle stopper (106) is arranged on a bottle opening in the top of the sampling bottle (105), and the top surface of the bottle stopper (106) is connected with the bottom surface of the first plate (103) through a pressure spring (107);

the telescopic assembly comprises a driving gear (201), a first shaft (202), a second shaft (205), a lower support plate (206) and an upper support plate (207); the upper support plate (207) and the lower support plate (206) are connected to the outer wall of the right side of the outer cylinder (101) at intervals; the first shaft (202) penetrates through and rotates to connect the upper support plate (207) and the lower support plate (206), a hand wheel (208) is arranged at the top end, and a worm (204) is connected at the bottom end; the worm (204) is meshed with a worm wheel (203), the worm wheel (203) is arranged at the outer end of a second shaft (205), the second shaft (205) extends into the outer cylinder (101) and is provided with a driving gear (201), and the driving gear (201) is meshed with the rack (102); a first bevel gear (209) is arranged on the first shaft (202), a second bevel gear (210) is vertically meshed with the first bevel gear (209), the second bevel gear (210) is arranged at the left end of a third shaft (211), and the right end of the third shaft (211) penetrates through the upper support plate (207) and is provided with a reel (212); the reel (212) leads out the pull rope (108), and the pull rope (108) downwards passes through the first plate (103) and is connected with the bottle stopper (106).

2. The water quality sampling device for environmental monitoring according to claim 1, wherein the driving gear (201) is arranged near the bottom end of the outer cylinder (101), and the top end of the rack (102) is further provided with a limiting plate (111).

3. The water quality sampling device for environmental monitoring according to claim 2, characterized in that when the first shaft (202) rotates to drive the rack (102) to move downwards, the reel (212) synchronously releases the wire, so that the pull rope (108) is kept loose, and the pressure spring (107) presses the bottle stopper (106) against the bottle opening.

4. A water sampling device for environmental monitoring according to claim 1, wherein the first plate (103) is further provided with symmetrical guide wheels (109), and the pull rope (108) passes through between the two guide wheels (109).

5. A water sampling device for environmental monitoring according to claim 1, wherein the inner ring of the bayonet is provided with a rubber strip (110).

6. A water quality sampling device for environmental monitoring according to claim 1 wherein the helix angle of the worm (204) at which it is deployed is less than the angle of friction of the worm wheel (203) in contact with the worm (204).