CN209820823U - Sediment sampling device - Google Patents
Sediment sampling device Download PDFInfo
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- CN209820823U CN209820823U CN201920592117.1U CN201920592117U CN209820823U CN 209820823 U CN209820823 U CN 209820823U CN 201920592117 U CN201920592117 U CN 201920592117U CN 209820823 U CN209820823 U CN 209820823U
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- sealing cover
- base
- sediment
- sampling device
- threaded rod
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Abstract
The utility model discloses a sediment deposit sampling device belongs to water environment monitoring sampling equipment technical field. The device comprises an extension bar, a top sealing cover, a base positioning hole, a sealing cover, a threaded rod, a glass sampling tube, a connecting ring, a connecting seat and a ventilation component, wherein the extension bar penetrates through the top sealing cover of the top sealing cover and is fixed with the base positioning hole of the base; the ventilation component is arranged between the top sealing cover and the base; the lower end of the base is matched with the upper end of the sealing cover; the upper end of the glass sampling tube penetrates through the sealing cover and extends into the base, and the lower end of the glass sampling tube is connected with the connecting seat; the upper end of the threaded rod is fixed at the lower end of the sealing cover, and the lower end of the threaded rod is fixed on the connecting ring of the connecting seat. The utility model provides a sediment sampling device, which has simple structure, easy operation and high efficiency and rapidness for collecting samples; meanwhile, the original structure can be kept intact, and the accuracy of detecting the sample is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of water environment monitoring sampling equipment, more specifically say, relate to a sediment deposit sampling device.
Background
As the sediment amount deposited in rivers, lakes and urban landscape areas gradually increases, the adverse effect on the environment is more and more severe. The river sediment not only reduces the water mobility, but also reduces the self-cleaning capacity of the water body, and even becomes an internal pollution source of the river, so the water environment monitoring and the river dredging work are particularly important.
The river sediment is different from general clay, is rich in pollutants and nutrients, needs to deeply research the component content of different sediment and analyze the characteristics of the sediment in order to determine the specific method for dredging the river, and the representativeness and the scientificity of the sediment sample are important, so that the obtained river sediment sample is required to be an original soil sample as much as possible.
The sediment of the bottom mud is composed of clay, sand, organic matters and other components, generally has a series of special properties such as high water content, low strength and the like, and part of the sediment of the bottom mud possibly contains toxic and harmful substances. Because of the characteristic of its high water content, it possesses the advantage of easily cutting into, but the sediment deposit is mostly in the flow and moulds the state, and in the in-service use process, the frictional force between sediment deposit and the glass sampling tube and the surface tension of water are greater than the extrusion force that the packing ring applyed the glass sampling tube far away, consequently, in the in-process that the device lifted, the glass sampling tube drops easily, leads to the sample failure. And meanwhile, during sampling, the collected sample is easily affected by water flow and is scattered, the difference of sediment deposits at different depth levels cannot be longitudinally contrasted through the collected sample, and the collected sample is not representative.
Through the retrieval, in order to solve above-mentioned problem, chinese patent CN201420772159.0 discloses a ball valve formula siltation earth original state soil sample sampling device, including handle, rotation axis, counter weight plummer, pipe boot, the blade that opens and shuts, seal dish and an at least extension rod, the upper end swing joint of hand and rotation axis, the lower extreme of rotation axis and the upper end fixed connection of extension rod, the counter weight plummer is connected to the lower extreme of extension rod, and the pipe boot is connected to the below of counter weight plummer, the pipe boot is hollow cylindrical cavity structure, and the inside upper end of pipe boot is provided with the ball valve, and the top of ball valve is the rivers passageway that is linked together with the external world, and the inside lower extreme of pipe boot sets up the blade that opens and shuts, and the lower port of pipe boot connects through a swing joint spare seals the dish, seals the edge of dish and the one end of haulage. However, the device is complex in design, one end of the traction rope is fixed, the other free end of the traction rope is lifted to seal the sealing disc, the use is inconvenient, and the traction rope is easy to loosen in the lifting process of a sample; meanwhile, the angle of the water flow channel inside the pipe boot may cause that part of water is not discharged after the ball valve is closed.
Chinese patent 201420126277.4 discloses a soil sampler capable of taking high-water-content sediment soil, which comprises a piston cover, a piston sleeve, a piston seat, an outer pipe and a valve seat, wherein the bottom end of the valve seat is connected with a pipe shoe, a piston is arranged in the piston sleeve, and a waist-shaped groove is formed in the piston sleeve; a radial through hole I is formed in the middle of the piston seat, an axial screw hole communicated with the radial through hole I and the lower end face is formed in the piston seat, a bolt IV with a bell mouth through hole is matched with the axial screw hole in a threaded manner, and a steel ball is placed at the bell mouth of the bolt IV; an inner pipe is arranged in the outer pipe, and the lower end of the inner pipe is connected with the valve seat; a valve with a small diameter penetrating through the valve seat is transversely arranged in the valve seat, and the small end surface of the valve is limited by a retaining ring for a shaft; a radial through hole pi which can be communicated with the inner pipe and the pipe shoe is formed on the small diameter of the valve; a linkage mechanism is arranged between the piston and the large end surface of the valve. The device design is accurate and the dismantlement operation is more loaded down with trivial details, and the cost is higher moreover, and work efficiency is low.
Disclosure of Invention
1. Problems to be solved
Aiming at the problem that the sampling tube is easy to fall off in the existing process of collecting sediment and lifting the sediment, the utility model provides a sediment sampling device, which has simple structure, easy operation and stable impact on one hand, and can efficiently, quickly and conveniently collect samples; on the other hand, in the process of extracting sediment, the original structure can be kept intact, and the accuracy of a detection sample is effectively improved.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model discloses a sediment sampling device, which comprises an extension bar, a top sealing cover, a base, a sealing cover, a threaded rod, a glass sampling tube, a connecting ring, a connecting seat and a ventilation component, wherein the extension bar passes through a sealing cover positioning hole arranged on the top sealing cover and is fixed with a base positioning hole arranged on the base; the ventilation component is arranged between the top sealing cover and the base; the lower end of the base is matched with the upper end of the sealing cover; the upper end of the glass sampling tube penetrates through the sealing cover and extends into the base, and the lower end of the glass sampling tube is connected with the connecting seat; the upper end of the threaded rod is fixed at the lower end of the sealing cover, and the lower end of the threaded rod is fixed on the connecting ring of the connecting seat.
In an embodiment of the present invention, the ventilation member includes a ball plug and a water flow passage disposed on the base, the upper end 1/4 of the water flow passage is concave hemispherical, the lower 3/4 is cylindrical, and the ball plug (4) is disposed above the water flow passage (51).
In an embodiment of the present invention, the outer contour of the ball plug is spherical, and includes an iron ball and an external rubber wrapping the iron ball, and the adjacent distance H between the positioning holes of the top cover is smaller than the diameter d of the ball plug.
In an embodiment of the present invention, the base is cylindrical, and the central position is formed with a water passage, four base positioning holes of the base installation are matched with the cover positioning holes through the extension bar.
In an embodiment of the present invention, a gasket is placed on the inner side of the sealing cover.
In an embodiment of the present invention, the glass sampling tube has a scale on its surface.
In an embodiment of the present invention, the top cover, the base and the sealing cover are made of acrylic material.
In an embodiment of the present invention, the extension bar, the threaded rod and the connecting seat are made of rustproof metal.
In an embodiment of the present invention, the extension bar is provided with a lifting lug.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model relates to a bottom sediment sampling device, the upper end of a glass sampling tube of the sampling device passes through a sealing cover and extends into a base, and the lower end is connected with a connecting seat; the upper end of the threaded rod is fixed at the lower end of the sealing cover, and the lower end of the threaded rod is fixed on the connecting ring of the connecting seat, so that the glass sampling tube is fixed and is not easy to fall off in the lifting process, and the work is stable, so that the collected sample is representative;
(2) the utility model discloses a sediment deposit sampling device, wherein the packing ring is arranged in the inboard of sealed lid, and the glass sampling tube upper end passes through sealed lid and extends to in the base, and the lower extreme is connected the connecting seat, through the extrusion force between base and the sealed lid, makes the packing ring atress expand to radial to transmit the extrusion force to the glass sampling tube, realize the fixed and sealed effect of playing to the glass sampling tube;
(3) the utility model discloses a sediment deposit sampling device, wherein the inside of the ball stopper is the iron ball, the outside is wrapped by a layer of rubber, and when the device is put into the sampling process, the air and water in the device are pressed downwards by the device, the reaction force can float the ball stopper, so that part of the air and water can be discharged through the water flow channel; in the process of lifting sediment, the density of the ball plug is greater than that of water, the concave surface of the water flow channel of the base can be sealed, the sealing effect is achieved, samples are not prone to loss in the lifting process of the sampler, and the collected samples are representative;
(4) the bottom sediment sampling device of the utility model has good toughness of acrylic material, strong repairability and good stability, and is not easy to damage, so that the top sealing cover, the base and the sealing cover are made of acrylic material due to corrosion resistance; the sediment sampling device is contacted with water for a long time, and the extension bar, the threaded rod and the connecting seat are made of rustproof metal materials, so that the service life of the device can be prolonged;
(5) the bottom sediment sampling device of the utility model has simple integral structure, easy operation and stable impact, and can efficiently, quickly and conveniently collect samples; on the other hand, in the process of extracting sediment, the original structure can be kept intact, and the accuracy of a detection sample is effectively improved.
Drawings
Fig. 1 is a schematic view of a sediment sampling device of the present invention;
fig. 2 is a schematic top view of a top sealing cap of a sediment sampling device according to the present invention;
fig. 3 is a schematic top view of a base of a sediment sampling device according to the present invention;
FIG. 4 is a schematic cross-sectional view of a base of a sediment sampling device according to the present invention;
fig. 5 is a schematic top view of a connecting seat of a sediment sampling device according to the present invention;
FIG. 6 is a schematic view of a steel ball of a sediment sampling device of the present invention;
fig. 7 is a schematic view of a threaded rod of a sediment sampling device according to the present invention;
fig. 8 is a schematic cross-sectional view of a base of a sediment sampling device according to the present invention.
Description of the figures:
1. lifting lugs; 2. lengthening a rod; 3. a top cover; 31. sealing and covering the positioning hole; 4. a ball plug; 5. a base; 51. a water flow channel; 52. a base positioning hole; 6. a sealing cover; 7. a threaded rod; 8. a glass sampling tube; 9. a connecting ring; 10. a connecting seat; 11. A gasket.
Detailed Description
The following detailed description of exemplary embodiments of the invention refers to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration exemplary embodiments in which the invention may be practiced. Although these exemplary embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, it should be understood that other embodiments may be realized and that various changes to the invention may be made without departing from the spirit and scope of the present invention. The following more detailed description of the embodiments of the present invention is not intended to limit the scope of the invention, as claimed, but is presented for purposes of illustration only and not limitation to provide the best mode contemplated for carrying out the invention and to enable any person skilled in the art to practice the invention. Accordingly, the scope of the invention is to be limited only by the following claims. The detailed description and the exemplary embodiments of the present invention may be better understood when read in conjunction with the following drawings, where the elements and features of the present invention are indicated by reference numerals.
Example 1
As shown in fig. 1 to 8, a sediment sampling apparatus of the present embodiment includes an extension bar 2, a top cap 3, a base 5, a sealing cap 6, a threaded rod 7, a glass sampling tube 8, a connection ring 9, a connection socket 10, and a ventilation member.
With reference to fig. 2 and fig. 3, the top cover 3 is provided with 4 cover positioning holes 31, the base 5 is provided with 4 base positioning holes 52, and the extension bar 2 passes through the top cover 31 and is fixed to the base positioning holes 52; the venting member is arranged between the top cover 3 and the base 5; this ventilation unit can stretch into the water after the device, under water buoyancy and air pressure effort, opens automatically, with the water and the air discharge in the glass sampling tube 8, when the sample was lifted, can seal glass sampling tube 8 for 8 upper ends of glass sampling tube are the blind end, utilize the atmospheric pressure of air, avoid the bed mud deposit to drop.
As shown in fig. 1, the lower end of the base 5 is fitted with the upper end of the sealing cap 6; the upper end of the glass sampling tube 8 penetrates through the sealing cover 6 and extends into the base 5, and the lower end of the glass sampling tube is connected with the connecting seat 10; the upper end of the threaded rod 7 is fixed at the lower end of the sealing cover 6, the lower end of the threaded rod is fixed on the connecting ring 9 of the connecting seat 10, and the glass sampling tube 8 can be firmly fixed and effectively prevented from falling off through the acting force of the threaded rod 7, the connecting seat 10 and the connecting ring 9.
In this embodiment, as shown in fig. 1 and 4, an optimized structure of the air vent part is preferably provided, the air vent part comprises a ball plug 4 and a water flow passage 51 arranged on the base, the upper end of 1/4 of the water flow passage 51 is in a concave hemispherical shape, the lower end 3/4 is in a cylindrical shape, and the ball plug is arranged above the water flow passage 51 and blocks the water flow passage 51.
Furthermore, the ball plug 4 has various structures, the main function of the ball plug is to realize the blocking of the upper end of the water flow channel 51, the embodiment provides a preferable structure, the outer contour of the ball plug 4 is spherical, the inside of the ball plug is an iron ball, and the outside of the ball plug is coated with a layer of rubber, so that the density of the ball plug is greater than that of water, and the density of the ball plug is between 1.0 and 1.5g/m3The adjacent distance H of the seal cover positioning hole 31 is smaller than the diameter d of the ball plug 4, so that the ball plug is prevented from being separated from the device in the floating process of putting down and lifting up; the base 5 is cylindrical, a water flow channel 51 is formed in the center of the base 5, and four base positioning holes 52 are formed in the base 5 and matched with the top cover positioning hole 31 through the extension rod 2.
As shown in fig. 8, in order to further enhance the fastening force of the glass sampling tube 8, a gasket 11 is disposed on the inner side of the sealing cover 6, the gasket 11 is made of rubber, and the gasket 11 is forced to expand in the radial direction by the pressing force between the base 5 and the sealing cover 6, so that the pressing force is transmitted to the glass sampling tube 8, thereby fixing the glass sampling tube 8 and sealing the glass sampling tube.
In addition, the surface of the glass sampling tube 8 is marked with scales, and an organic glass sampling tube, an inorganic glass sampling tube or a rigid plastic sampling tube is adopted, so that the inside of the sampling tube can be seen clearly, and the amount of a sample can be seen accurately; because the acrylic material is good in toughness, not easy to damage and strong in repairability, and meanwhile, the acrylic material is good in stability, light in weight and strong in corrosion resistance, and the top cover 3, the base 5 and the sealing cover 6 are made of acrylic materials.
In addition, the sediment sampling device is in long-term contact with water, the sediment contains a large amount of organic acid substances, the extension rod 2, the threaded rod 7 and the connecting seat 10 are all made of aviation aluminum, the weight is light, the corrosion resistance is strong, and therefore the service life of the device can be prolonged; the lug 1 is welded on the extension bar 2, so that the sample is conveniently extracted.
If the utility model discloses the example is only to the preferred embodiment of the utility model describes, and is not right the utility model discloses the design and the scope is injectd, under the prerequisite that does not deviate from the utility model discloses a, the field engineering technical staff is right the various deformation and the improvement that technical scheme of the utility model made all should fall into the protection scope of the utility model.
Claims (9)
1. A sediment deposit sampling device which characterized in that: the device comprises an extension bar (2), a top sealing cover (3), a base (5), a sealing cover (6), a threaded rod (7), a glass sampling tube (8), a connecting ring (9), a connecting seat (10) and a ventilation component, wherein the extension bar (2) penetrates through a sealing cover positioning hole (31) formed in the top sealing cover (3) and is fixed with a base positioning hole (52) formed in the base (5); the ventilation component is arranged between the top sealing cover (3) and the base (5); the lower end of the base (5) is matched with the upper end of the sealing cover (6); the upper end of the glass sampling tube (8) penetrates through the sealing cover (6) and extends into the base (5), and the lower end of the glass sampling tube is connected with the connecting seat (10); the upper end of the threaded rod (7) is fixed at the lower end of the sealing cover (6), and the lower end of the threaded rod is fixed on the connecting ring (9) of the connecting seat (10).
2. A sediment deposit sampling device according to claim 1, wherein: the ventilation component comprises a ball plug (4) and a water flow channel (51) arranged on the base (5), the upper end 1/4 part of the water flow channel (51) is concave and hemispherical, the lower part 3/4 part is cylindrical, the ball plug (4) is arranged above the water flow channel (51), and the ball plug (4) can be automatically opened under the action of external force.
3. A sediment deposit sampling device according to claim 2, wherein: the outer contour of the ball plug (4) is spherical and comprises an iron ball and external rubber wrapping the iron ball, and the adjacent distance H of the sealing cover positioning hole (31) of the top sealing cover (3) is smaller than the diameter d of the ball plug (4).
4. A sediment deposit sampling device according to claim 2, wherein: the base (5) is cylindrical, a water flow channel (51) is formed in the center of the base, and four base positioning holes (52) are formed in the base (5) and matched with the sealing cover positioning holes (31) through the extension rod (2).
5. A sediment sampling device as claimed in any one of claims 1 to 4, wherein: a gasket (11) is placed on the inner side of the sealing cover (6).
6. A sediment sampling device as claimed in any one of claims 1 to 4, wherein: the surface of the glass sampling tube (8) is marked with scales.
7. A sediment sampling device according to claim 6, wherein: the top sealing cover (3), the base (5) and the sealing cover (6) are all made of acrylic materials.
8. A sediment sampling device as claimed in claim 7, wherein: the extension bar (2), the threaded rod (7) and the connecting seat (10) are all made of rustproof metal materials.
9. A sediment sampling device as claimed in any one of claims 1 to 4, wherein: the extension bar (2) is provided with a lifting lug (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920592117.1U CN209820823U (en) | 2019-04-26 | 2019-04-26 | Sediment sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920592117.1U CN209820823U (en) | 2019-04-26 | 2019-04-26 | Sediment sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209820823U true CN209820823U (en) | 2019-12-20 |
Family
ID=68882371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920592117.1U Expired - Fee Related CN209820823U (en) | 2019-04-26 | 2019-04-26 | Sediment sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209820823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024444A (en) * | 2019-12-28 | 2020-04-17 | 生态环境部华南环境科学研究所 | Law enforcement evidence collection sampling device for water quality inspection and pollution source tracking |
-
2019
- 2019-04-26 CN CN201920592117.1U patent/CN209820823U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024444A (en) * | 2019-12-28 | 2020-04-17 | 生态环境部华南环境科学研究所 | Law enforcement evidence collection sampling device for water quality inspection and pollution source tracking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20210426 |