CN210774863U

CN210774863U - Simple shallow well fixed-depth water taking device

Info

Publication number: CN210774863U
Application number: CN201921442475.0U
Authority: CN
Inventors: 吴迪; 董洪信; 杨青松; 周凯; 沈中炎
Original assignee: Jiangsu Provincial Institute Of Hydrogeology And Engineering Geology
Current assignee: Jiangsu Provincial Institute Of Hydrogeology And Engineering Geology
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-16
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a simple shallow well depth-fixed water taking device, which belongs to the technical field of water quality sampling, and adopts the technical scheme that the device comprises a jack type positioning frame and a water pressing device fixedly arranged on the jack type positioning frame, wherein the water pressing device comprises a manual pressing handle, an outer barrel hinged with the manual pressing handle, a piston rod positioned in the outer barrel and fixed with the manual pressing handle, a piston connected below the piston rod and a one-way valve component, and the bottom of the outer barrel is provided with a scale water taking pipe communicated with the outer barrel; the check valve subassembly includes first check valve and second check valve, and first check valve and urceolus are connected and are located the top of scale intake pipe, are equipped with the vertical air vent that runs through the piston on the piston, and the one end that the handle was pressed to the air vent is close to the manual pressure in the air vent is established to the second check valve, and first check valve and second check valve upwards circulate, are equipped with the delivery port that is located the piston top on the urceolus. The utility model discloses have the effect that the water sampling accuracy is high.

Description

Simple shallow well fixed-depth water taking device

Technical Field

The utility model belongs to the technical field of the quality of water sampling technique and specifically relates to a simple and easy shallow well depthkeeping water intake device is related to.

Background

At present, in the work of hydrogeological production, scientific research, water quality sampling, detection and the like, water sampling is often required, and whether the accuracy of the water sampling has decisive influence on the subsequent production, research or detection result. Usually, it is very simple and easy to collect water samples on the surface of surface water, but it is relatively difficult to collect water below the surface of surface water, and usually an underwater water taking device is needed.

The existing underwater water taking device for shallow wells is commonly used by a self-sucking pump and a submersible pump. But stir great to the water sample when self priming pump and immersible pump depthkeeping water intaking, mix the water of non-specific degree of depth easily, lead to the water sample of actual acquireing for the mixed water sample that contains different degree of depth waters, influence the accuracy of sample to disturb subsequent experimental result.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple and easy shallow well depthkeeping water intake device, it has the high effect of water sampling accuracy.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a simple shallow well depth-setting water taking device comprises a jack type positioning frame and a water pressing device fixedly installed on the jack type positioning frame, wherein the water pressing device comprises a manual pressing handle, an outer cylinder hinged with the manual pressing handle, a piston rod, a piston and a one-way valve assembly, the piston rod is located in the outer cylinder and fixed with the manual pressing handle, the piston and the one-way valve assembly are connected below the piston rod, and a scale water taking pipe communicated with the outer cylinder is installed at the bottom of the outer cylinder; the check valve assembly comprises a first check valve and a second check valve, the first check valve and the outer barrel are connected and located above the scale water taking pipe, the first check valve upwards circulates, a vertical air vent penetrating through the piston is formed in the piston, the second check valve is arranged at one end, close to the manual pressing handle, of the air vent, the second check valve upwards circulates, a water outlet is formed in the outer barrel, and the water outlet is located above the piston.

Through adopting above-mentioned technical scheme, form a simple and easy manual depthkeeping water sampling device. Through artifical lift jack formula locating rack, confirm the degree of depth that the water intaking pipe put into the well according to the scale on the scale water intaking pipe, when the scale water intaking pipe reachd specific sampling depth, utilize jack formula locating rack to fix simple and easy shallow well depthkeeping water intake device in this scheme.

The manual pressing handle is pressed through the manual work and drives the piston and be reciprocating motion in the urceolus, and during the piston upward movement, first check valve opened because the top forms the negative pressure, and the second check valve closes because the counter force that forms when the piston accelerated upward movement, with the air suction in the scale intake pipe in the urceolus. When the piston moves downwards, the first one-way valve assembly is closed due to pressure formed by the downward movement of the piston, the second one-way valve is opened due to the impact of gas in the outer barrel, air in the outer barrel is discharged through the vent hole and the opened second one-way valve, the air in the scale water taking pipe is gradually pumped out in a reciprocating mode in such a way, pressure difference is formed between the scale water taking pipe and the water well, and water samples in the water well stably enter the scale water taking pipe along with the gradual reduction of the air in the outer barrel and the scale water taking pipe and finally flow out of the water outlet.

On the one hand, the jack type positioning frame stably ascends and descends, the shaking of the scale water taking pipe is reduced, the disturbance of the simple depth-setting water taking device in the scheme to the water sample in the well is reduced, and the accuracy of the obtained water sample is improved. On the other hand, the water intaking device in this scheme adopts artifical power, has avoided motor vibration to bring the condition of water intaking device vibration, has reduced the disturbance of water intaking device to the water sample equally, does benefit to the sample accuracy that improves this water intaking device. Meanwhile, the trouble that electricity needs to be connected or a generator needs to be carried in electric power water taking work is solved by manual power water taking, so that the water taking device in the scheme is portable and practical.

The utility model discloses further set up to, the urceolus bottom is equipped with the crossover sub, the scale intake pipe passes through the crossover sub come with the removable fixed connection of urceolus.

Through adopting above-mentioned technical scheme, be convenient for change scale intake pipe conveniently adapts to different water intaking appearance volumes and different well bores, has increased the application scope of simple and easy shallow well depthkeeping water intake device in this scheme.

The utility model discloses further set up to, the crossover sub internal surface is equipped with the internal thread, the scale intake pipe is close to be equipped with on the surface of crossover sub one end with internal thread threaded connection's external screw thread.

Through adopting above-mentioned technical scheme, internal thread on the crossover sub and the external screw thread on the scale intake pipe mutually support, easily stable connection between scale intake pipe and the crossover sub.

The utility model discloses further set up to, lie in on the scale intake pipe the termination circumference cover of external screw thread is equipped with first O type rubber seal.

Through adopting above-mentioned technical scheme, first O type rubber seal plays sealed effect between crossover sub and scale intake pipe, has reduced the appearance of the condition of leaking in crossover sub and scale intake pipe connection position, has improved the leakproofness of the simple and easy shallow well depthkeeping water intake device in this scheme.

The utility model discloses further set up to, the scale intake pipe is little internal diameter intake pipe, the internal diameter of scale intake pipe is 25 millimeters at minimum, and the maximum is 50 millimeters.

Through adopting above-mentioned technical scheme, reduced the requirement of simple and easy depthkeeping water intake device to the well diameter in this scheme, made the water intake device in this scheme be applicable to the shallow well sample of small-bore, during the too big scale intake pipe of internal diameter can be difficult to stretch into the small-bore well, restricted the application scope of the water intake device in this scheme. However, as aquatic organisms and impurities often exist in the water sample, the scale water taking pipe with the excessively small inner diameter is easy to block, and under the condition that the water taking amount is large, the water sample passing through the scale water taking pipe with the excessively small inner diameter is less, so that the manual pressing handle needs to be pressed for many times, and the labor intensity is increased.

The utility model discloses further set up to, the scale intake pipe is kept away from the cassette is installed to the one end of piston, the mesh number of cassette is 30 meshes to 40 meshes.

Through adopting above-mentioned technical scheme, the filter disc aperture of 30 meshes to 40 meshes is great, conveniently filters the bold rubbish and the silt in the water sample during the sample to easily the aquatic organism in the water sample passes through when blockking up the scale intake pipe, has reduced the interference to subsequent experiment or testing result.

The utility model discloses further set up to, rubber material's anti-skidding base is installed to jack type locating rack and the one end of ground contact.

Through adopting above-mentioned technical scheme, strengthened the frictional force between jack type locating rack and the ground, increased simple and easy shallow well depthkeeping water intake device's in this scheme stability, reduced water intake device and rocked the condition appearance that causes the interference to the water sample.

The utility model discloses further set up to, the piston surface seted up with the parallel mounting groove of scale intake pipe cross section, install second O type rubber seal in the mounting groove.

Through adopting above-mentioned technical scheme, second O type rubber seal has increased the gas tightness between piston and the urceolus, and the water sample in the easy shallow well enters into the scale intake pipe fast in, has improved water intake device's in this scheme water intaking efficiency.

The utility model discloses further set up to, the pressurized-water device the scale intake pipe with the cassette all adopts food level stainless steel.

Through adopting above-mentioned technical scheme, food level stainless steel is anticorrosive resistant rust, has reduced the pollution and the interference to the water sample, easily keeps the authenticity of the water sample physics, the chemical index who obtains.

To sum up, the utility model discloses following beneficial effect has:

1. through jack type locating rack and pressurized-water device's setting, can play the effect of the water sampling degree of depth and the completion water intaking process of scale intake pipe through artifical power location, not only reduced the interference of water intaking device to the water sample, improved the precision of the water sample of acquireing, solved the problem that needs connect the electricity or carry the generator in the electric power water intaking work moreover, make the portable practicality of water intaking device in this scheme.

2. Through the setting of crossover sub and small-bore scale intake pipe, compromise the function of removable different bore scale intake pipes when making the water intaking device in this scheme be applicable to the shallow well sample of small-bore, the person of facilitating the use selects different scale intake pipes according to actual conditions, has increased the application scope of simple and easy shallow well depthkeeping water intaking device in this scheme.

Drawings

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

Fig. 2 is a schematic view of the disassembly structure of the present embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure, 1, a jack type positioning frame; 2. a water pressurizing device; 21. a manual pressing handle; 22. an outer cylinder; 23. a piston rod; 24. a piston; 25. a one-way valve assembly; 251. a first one-way valve; 252. a second one-way valve; 3. a water taking pipe is graduated; 4. a vent hole; 5. a water outlet; 6. a crossover sub; 61. an internal thread; 62. an external thread; 7. a first O-shaped rubber sealing ring; 8. a filter disc; 9. an anti-slip base; 10. and a second O-shaped rubber sealing ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the simple and easy shallow well depthkeeping water intake device that this embodiment disclosed, including 4 jack-type locating racks 1 that realize steady lift through artifical power of perpendicular to ground and through welding, bolt or flange fastening in the pressurized-water device 2 on the jack-type locating rack 1, the antiskid base 9 that has rubber material is passed through screw fixed mounting to the one end of jack-type locating rack 1 and ground contact. The water pressing device 2 comprises a manual pressing handle 21, an outer cylinder 22 hinged with the manual pressing handle 21, a piston rod 23 positioned in the outer cylinder 22 and fixed with the manual pressing handle 21 through screws, a piston 24 connected below the piston rod 23 through screws and a one-way valve assembly 25, and a graduated water taking pipe 3 communicated with the outer cylinder 22 is installed at the bottom of the outer cylinder 22, so that a simple manual depth-setting water sampling device is formed.

Referring to fig. 1, the outer cylinder 22 is cylindrical, the bottom of the outer cylinder 22 is provided with the adapter 6, and the graduated water intake pipe 3 is detachably and fixedly connected with the outer cylinder 22 through the adapter 6, so that a user can select to install different water intake pipes according to different water intake sample volumes and different water well calibers, and the replacement of the water intake pipes is facilitated when the water intake pipes are damaged. The minimum internal diameter of the scale water taking pipe 3 is 25 mm, the maximum internal diameter is 50 mm, the scale water taking pipe belongs to a small-internal-diameter water taking pipe, and sampling in a small-caliber water well is facilitated. One end of the graduated water taking pipe 3, which is far away from the piston 24, is provided with a filter disc 8 for filtering massive garbage and sludge in a water sample, and the mesh number of the filter disc 8 is 30-40 meshes. In this embodiment, pressurized-water device 2, scale intake pipe 3 and cassette 8 all adopt food level stainless steel, have reduced the pollution and the interference to the water sample, easily keep the authenticity of the water sample physics, the chemical index who gains.

Referring to fig. 1, the circumferential surface of the piston 24 is provided with two rings of mounting grooves parallel to the cross section of the graduated water intake pipe 3, and a second O-shaped rubber sealing ring 10 for increasing air tightness in the outer cylinder 22 is installed in the mounting grooves in a clamping manner. The check valve assembly 25 comprises a first check valve 251 in upward flow communication and a second check valve 252 in upward flow communication, the first check valve 251 and the outer cylinder 22 are hinged by a hinge, and the first check valve 251 is located at a port of the conversion adapter 6 near one end of the piston 24. The piston 24 is provided with a vent hole 4 vertically penetrating through the piston 24, and the second one-way valve 252 is hinged at one end of the vent hole 4 close to the manual pressing handle 21 through a hinge. The outer cylinder 22 is provided with a water outlet 5, and the water outlet 5 is positioned above the piston 24.

Referring to fig. 2 and 3, an internal thread 61 is provided on the inner surface of the adapter 6, an external thread 62 in threaded connection with the internal thread 61 is provided on the outer surface of the end of the graduated water intake tube 3 close to the adapter 6, and the graduated water intake tube 3 and the water pressurizing device 2 are stably communicated through the threaded connection of the internal thread 61 and the external thread 62. The first O-shaped rubber sealing ring 7 made of a rubber material is sleeved on the end circumference of the external thread 62 on the scale water taking pipe 3, so that the effect of reducing the water leakage of the connection part of the conversion head and the scale water taking pipe 3 can be achieved.

The implementation principle of the above embodiment is as follows: when taking water samples through the simple shallow well depth-fixing water taking device in the embodiment, the proper scale water taking pipe 3 is selected according to the depth of the water taking sample and the caliber of the well to be sampled and is installed on the conversion head of the water pressing device 2, the scale water taking pipe 3 is placed into the well, and the scale water taking pipe 3 is stretched into the well water with specific depth through the height of the manual regulation jack type positioning frame 1. Because the jack of manual power is relatively steady when descending, has reduced the disturbance to the water sample, so after scale intake pipe 3 entered the well water of specific sample depth, do 3 minutes to 5 minutes of staying slightly, can begin to take water sample after the water sample in the well water is relatively steady.

When taking water samples, the manual pressing handle 21 is manually pressed to drive the piston 24 to reciprocate in the outer cylinder 22, and when the piston 24 moves upwards, the first one-way valve 251 is opened, the second one-way valve 252 is closed, and air in the graduated water taking pipe 3 is pumped into the outer cylinder 22. When the piston 24 moves downwards, the first one-way valve 251 is closed, the second one-way valve 252 is opened, the air in the outer cylinder 22 is discharged through the vent hole 4 and the opened second one-way valve 252, the air in the scale water taking pipe 3 is gradually pumped out in a reciprocating mode in such a way, pressure difference is formed between the scale water taking pipe 3 and a water well, and water samples in the water well smoothly enter the scale water taking pipe 3 along with the gradual reduction of the air in the outer cylinder 22 and the scale water taking pipe 3 and finally flow out from the water outlet 5. In the process, the water samples entering the graduated water taking pipe 3 and the outer barrel 22 can further increase the sealing performance of the water taking device in the embodiment, and the water samples can be easily extracted. In this embodiment, when water samples in the well are extracted through the manual pressing handle 21, the movement distance of the piston 24 in the outer cylinder 22 is limited due to the limited movable range of the hinged part of the manual pressing handle 21 and the outer cylinder 22, and the reciprocating movement of the piston 24 is limited, so that the piston 24 is prevented from exceeding the water outlet 5 during movement.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a simple and easy shallow well depthkeeping water intake device which characterized in that: the water pressing device comprises a jack type positioning frame (1) and a water pressing device (2) fixedly installed on the jack type positioning frame (1), wherein the water pressing device (2) comprises a manual pressing handle (21), an outer cylinder (22) hinged with the manual pressing handle (21), a piston rod (23) which is positioned in the outer cylinder (22) and fixed with the manual pressing handle (21), a piston (24) connected below the piston rod (23) and a one-way valve assembly (25), and a scale water taking pipe (3) communicated with the outer cylinder (22) is installed at the bottom of the outer cylinder (22);

one-way valve assembly (25) includes first one-way valve (251) and second one-way valve (252), first one-way valve (251) with urceolus (22) are connected and are located the top of scale intake pipe (3), first one-way valve (251) upwards circulate, be equipped with on piston (24) vertically run through air vent (4) of piston (24), establish second one-way valve (252) air vent (4) are close to the one end of manual pressure handle (21), second one-way valve (252) upwards circulate, be equipped with delivery port (5) on urceolus (22), delivery port (5) are located piston (24) top.

2. The simple shallow well depth-setting water taking device according to claim 1, characterized in that: the bottom of the outer barrel (22) is provided with an adapter (6), and the scale water intake pipe (3) is detachably and fixedly connected with the outer barrel (22) through the adapter (6).

3. The simple shallow well depth-setting water taking device according to claim 2, characterized in that: the inner surface of the adapter (6) is provided with an internal thread (61), and the outer surface of one end, close to the adapter (6), of the scale water taking pipe (3) is provided with an external thread (62) in threaded connection with the internal thread (61).

4. The simple shallow well depth-setting water taking device according to claim 3, characterized in that: the scale water intake pipe (3) is located the end circumference of external screw thread (62) is equipped with first O type rubber seal (7).

5. The simple shallow well depth-setting water taking device according to claim 4, characterized in that: the minimum inner diameter of the scale water taking pipe (3) is 25 mm, and the maximum inner diameter is 50 mm.

6. The simple shallow well depth-setting water taking device according to claim 1, characterized in that: the scale intake pipe (3) keep away from one end of piston (24) is installed filter disc (8), the mesh number of filter disc (8) is 30 meshes to 40 meshes.

7. The simple shallow well depth-setting water taking device according to claim 1, characterized in that: the anti-skidding base (9) made of rubber materials is installed at one end, in contact with the ground, of the jack type positioning frame (1).

8. The simple shallow well depth-setting water taking device according to claim 1, characterized in that: the surface of the piston (24) is provided with a mounting groove parallel to the cross section of the scale water taking pipe (3), and a second O-shaped rubber sealing ring (10) is mounted in the mounting groove.

9. The simple shallow well depth-setting water taking device according to claim 6, characterized in that: the water pressing device (2), the scale water taking pipe (3) and the filter disc (8) are all made of food-grade stainless steel materials.