Sewage sampling device for ecological environment detection

Abstract

The utility model discloses a sewage sampling device for ecological environment detection. The sewage sampling device comprises a collecting cylinder, a water inlet assembly and a water pumping assembly, the collecting cylinder has a water collecting cavity; the water inlet assembly comprises a water inlet pipe and a one-way valve. The water pumping assembly comprises a piston, a pull rod and a handle. The pull rod is provided with an air channel communicated with the water collecting cavity, a sealing piece and a spring are arranged in the air channel, the sealing piece is used for adjusting the air channel to be communicated and closed, and a push rod is arranged on one side of the sealing piece. According to the sewage sampling device for ecological environment detection disclosed by the utility model, a collecting person can throw the water inlet pipe into water far away from a dangerous area of a water bank zone, and then the water pumping assembly repeatedly pumps water until the water is pumped into the water collecting cavity, so that the situation that the collecting person falls into silt on the bank side is effectively avoided, and meanwhile, the difficulty of sampling operation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water quality detection device field especially relates to ecological environment detection sewage sampling device. BACKGROUND

[0002] Ecological environment refers to the total of water resources, land resources, biological resources and climate resources quantity and quality that influence human survival and development, and is a composite ecological system related to social and economic sustainable development. Ecological environment detection is the process of monitoring and evaluating these factors to understand environmental quality and ecological health. The quality of water in the ecological environment directly affects the ecological system and human health, so it is necessary to detect the water quality in the ecological environment. Before detection, sewage sampling device is needed to extract sewage in the ecological environment. The existing sewage sampling device needs the sampling personnel to sink the sampling bottle into the water or use the needle tube to extract the sample, but in actual operation, the water body shore zone (such as the shore of river, lake, etc.) is often distributed with soft sediment and silt soil layer, when the sampling personnel approaches the water area to implement sampling, foot subsidence or even sinking into the shore silt may occur, which not only significantly increases the sampling operation difficulty, but also poses a safety threat to the operator, so an ecological environment detection sewage sampling device is proposed. SUMMARY

[0003] The utility model aims at providing an ecological environment detection sewage sampling device to solve the above problems.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] An ecological environment detection sewage sampling device comprises:

[0006] A collection cylinder has a water collecting cavity;

[0007] A water inlet assembly comprises a flexible water inlet pipe in communication with the water collecting cavity, and a one-way valve is arranged at the end of the water inlet pipe away from the water collecting cavity;

[0008] A water pumping assembly comprises a piston arranged in the water collecting cavity, a pull rod connected with the piston, and a handle arranged at one end of the pull rod, wherein an air passage in communication with the water collecting cavity is arranged on the pull rod, a sealing piece is arranged in the air passage, and the sealing piece is used for adjusting the penetration and closure of the air passage; a spring is arranged on one side of the sealing piece, and a push rod is arranged on the other side of the sealing piece, and the push rod extends out of the air passage.

[0009] Optionally, one end of the collection cylinder is provided with a through hole, and the pull rod passes through the through hole;

[0010] The air passage passes through the piston, the piston and the handle, the sealing sheet and the spring are arranged in the handle, and the sealing sheet is a plastic gasket.

[0011] Optionally, a connecting plate is arranged on one side of the sealing sheet close to the spring, and the connecting plate is connected with the spring on the side away from the sealing sheet.

[0012] Optionally, the air passage comprises a first air passage section and a second air passage section, the spring, the sealing sheet and the connecting plate are arranged in the first air passage section, and the aperture of the first air passage section is larger than the aperture of the second air passage section.

[0013] Optionally, the diameter of the sealing sheet is equal to the diameter of the connecting plate, the diameter of the sealing sheet is smaller than the aperture of the first air passage section, and the diameter of the sealing sheet is larger than the aperture of the second air passage section.

[0014] Optionally, the collecting cylinder further comprises a receiving cavity for receiving the water inlet pipe.

[0015] Optionally, one end of the collecting cylinder is provided with a cover, the water inlet pipe passes through the cover, the outer periphery of the cover is provided with an external thread, and the inner wall of the collecting cylinder is provided with an internal thread corresponding to the external thread.

[0016] Optionally, the cover can float on the water surface, and the cover is made of wood material or plastic material.

[0017] Compared with the prior art, the device has the following beneficial effects: when sampling, the sampler is in the safe area of the water body shore zone, one end of the water inlet pipe connected with the one-way valve is thrown into the water, then the sampler holds the sampling cylinder, and at the same time, a pulling force is applied to the handle, that is, the piston is pulled through the pull rod, so that water is pumped into the water collecting cavity through the water inlet pipe; when the piston moves to one end of the water collecting cavity (at this time, the piston cannot be pulled any more, and water has not been pumped into the water collecting cavity), the collector presses the push rod, so that the push rod moves towards the spring, the spring is compressed, the sealing sheet is separated from the sealing port, and the air passage is penetrated, that is, the water collecting cavity is connected with the outside through the air passage; at this time, the collector pushes the piston through the handle and the pull rod, so that the piston moves towards the water inlet pipe; when the piston cannot be pushed, the push rod is not pressed any more; under the action of the spring force, the sealing sheet seals the air passage again; then, the pulling force is applied to the handle again, that is, the piston is pulled again until water is pumped into the water collecting cavity. In this process, the one-way valve avoids water backflow. The ecological environment detection sewage sampling device disclosed by the device can make the collector away from the dangerous area of the water body shore zone, throw the water inlet pipe into the water, and repeatedly pump water through the water pumping assembly until the water is pumped into the water collecting cavity, so that the collector is effectively prevented from being trapped in the shore mud, and the sampling operation difficulty is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0019] The structures, proportions, sizes, etc. shown in the drawings of the present application are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation conditions of the present application. Therefore, any modification of structure, change of proportion relationship or adjustment of size, which does not affect the functions and purposes of the present application, should still fall within the scope of the technical content disclosed by the present application.

[0020] Figure 1 The structure of the ecological environment detection sewage sampling device of the present application is shown in the figure;

[0021] Figure 2 The internal structure of the ecological environment detection sewage sampling device of the present application is shown in the figure;

[0022] Figure 3 The sectional view of the water pumping assembly is shown in the figure;

[0023] Figure 4 The Figure 3 The enlarged view of part A in the figure.

[0024] Illustration: 10, collection cylinder; 11, water collecting cavity; 12, storage cavity; 13, cover; 14, partition; 20, water inlet assembly; 21, water inlet pipe; 22, one-way valve; 30, water pumping assembly; 31, piston; 32, pull rod; 33, handle; 34, airway; 341, first airway section; 342, second airway section; 35, sealing sheet; 36, spring; 37, push rod; 38, connecting plate. DETAILED DESCRIPTION

[0025] In order to make the invention purpose, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the embodiments described below are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] In the description of the utility model, it needs to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. It needs to be explained that when a component is considered to be "connected" to another component, it can be directly connected to the other component or a component arranged in the middle can exist at the same time.

[0027] The technical scheme of the utility model is further illustrated below by specific embodiments in combination with the drawings.

[0028] With reference to Figures 1 to 4 The utility model embodiment provides a kind of ecological environment detection sewage sampling device, including collection cylinder 10, water inlet component 20 and pumping component 30.Collection cylinder 10 has water collecting cavity 11, water inlet component 20 includes the flexible water inlet pipe 21 being communicated with water collecting cavity 11, and the one-way valve 22 is arranged at the end of water inlet pipe 21 away from water collecting cavity 11.The one-way valve 22 is detachably connected with water inlet pipe 21.When the one-way valve 22 is connected on water inlet pipe 21, water can only flow into water collecting cavity 11 by water inlet pipe 21, and water in water collecting cavity 11 cannot flow out by water inlet pipe 21.Pumping component 30 includes the piston 31 being arranged in water collecting cavity 11, the pull rod 32 being connected with piston 31, the handle 33 being arranged at one end of pull rod 32.When one end of water inlet pipe 21 is placed in water, pull handle 33, and piston 31 can be pulled by pull rod 32, to thereby pump water into water collecting cavity 11 by water inlet pipe 21.Pull rod 32 is equipped with air passage 34 that is communicated with water collecting cavity 11, i.e. air passage 34 is communicated with water collecting cavity 11 and atmosphere.Sealing sheet 35 is arranged in air passage 34, and sealing sheet 35 is used to adjust the penetration and closure of air passage 34.Specifically, one side of sealing sheet 35 is provided with spring 36, and the other side is provided with push rod 37, and push rod 37 extends outside air passage 34.When push rod 37 is pushed, push rod 37 can drive sealing sheet 35 to move in air passage 34.Air passage 34 has sealing port, spring 36 is in compressed state, and the elasticity of spring 36 makes sealing sheet 35 tightly adhere to sealing port, to thereby close air passage 34.When push rod 37 pushes sealing sheet 35, sealing sheet 35 is separated from sealing port, to thereby make air passage 34 be penetrated.

[0029] Further, one end of the collecting cylinder 10 is provided with a through hole, and the pull rod 32 passes through the through hole. In the embodiment of the utility model, the axis of the collecting cylinder 10, the axis of the piston 31, the axis of the pull rod 32 and the hole axis of the through hole are all on the same straight line, thereby avoiding uneven force on the piston 31 during pulling the piston 31, and improving the service life of the piston 31. The air passage 34 penetrates the piston 31 and the handle 33, the sealing sheet 35 and the spring 36 are all arranged in the handle 33, and the sealing sheet 35 is a plastic gasket.

[0030] Further, one side of the sealing sheet 35 close to the spring 36 is provided with a connecting plate 38, and the side of the connecting plate 38 away from the sealing sheet 35 is connected with the spring 36. Through the design of the connecting plate 38, the deformation of the sealing sheet 35 caused by the elastic force of the spring 36 is effectively avoided, thereby improving the air tightness of the sealing sheet 35 in closing the air passage 34.

[0031] Further, the air passage 34 includes a first air passage section 341 and a second air passage section 342, and the spring 36, the sealing sheet 35 and the connecting plate 38 are all arranged in the first air passage section 341, and the hole diameter of the first air passage section 341 is greater than the hole diameter of the second air passage section 342. It should be noted that one end of the second air passage section 342 close to the first air passage section 341 is a sealing port, when the sealing sheet 35 tightly abuts against the sealing port, the air passage 34 is closed, at this time, the water collecting cavity 11 is not communicated with the atmosphere; it should be further noted that the spring 36 of the embodiment of the utility model is always in a compressed state, thereby making the sealing sheet 35 tightly abut against the sealing port.

[0032] Further, the diameter of the sealing sheet 35 is equal to the diameter of the connecting plate 38, thereby ensuring that the sealing sheet 35 is subjected to uniform elastic force; the diameter of the sealing sheet 35 is greater than the hole diameter of the second air passage section 342, thereby ensuring that the sealing sheet 35 can completely block the second air passage section 342; and the diameter of the sealing sheet 35 is less than the hole diameter of the first air passage section 341, when the sealing sheet 35 is separated from the sealing port, the gas in the water collecting cavity 11 can flow out from the gap between the sealing sheet 35 and the inner wall of the first air passage section 341.

[0033] Further, the collecting cylinder 10 also has a storage cavity 12, and the storage cavity 12 is used for storing the water inlet pipe 21. Specifically, a partition plate 14 is arranged in the collecting cylinder 10, and the partition plate 14 divides the inner cavity of the collecting cylinder 10 into the water collecting cavity 11 and the storage cavity 12. One end of the collecting cylinder 10 is provided with a cover body 13, and the water inlet pipe 21 passes through the cover body 13. The outer periphery of the cover body 13 is provided with an external thread, and the inner wall of the collecting cylinder 10 is provided with an internal thread corresponding to the external thread, that is, the cover body 13 is threadedly connected with the collecting cylinder 10. When carrying, the water inlet pipe 21 can be put into the storage cavity 12, and the cover body 13 is connected with the collecting cylinder 10, so as to facilitate carrying.

[0034] Further, the cover 13 can float on the water surface. Optionally, the cover 13 is made of wood or plastic material. When one end of the water inlet pipe 21 connected with the one-way valve 22 is thrown into the water, the cover 13 floats on the water surface, and the water inlet pipe 21 and the one-way valve 22 on one side of the cover 13 sink into the water, thereby avoiding sinking of the one-way valve 22 into the mud.

[0035] The utility model discloses an ecological environment detection sewage sampling device, specific implementation is: when sampling, sampling personnel are in the safe area of water body shore zone, and one end of water inlet pipe 21 connected with one-way valve 22 is thrown into the water, then sampling personnel hand hold sampling cylinder, and simultaneously exert the tension to handle 33, namely through pull rod 32 and drive piston 31, thereby through water inlet pipe 21 and draw water in the water collecting cavity 11, when piston 31 moves to one end of water collecting cavity 11 (at this time, can not drive piston 31 again, and water has not been drawn to water collecting cavity 11), and collection personnel press push rod 37, and push rod 37 moves to spring 36 direction, and spring 36 is compressed, and sealing sheet 35 is separated from sealing mouth, and air passage 34 is penetrated, namely water collecting cavity 11 is communicated with the outside through air passage 34, at this time, collection personnel push piston 31 through handle 33, pull rod 32, and make piston 31 move to the direction close to water inlet pipe 21, when piston 31 can not be pushed, no longer press push rod 37, under the action of spring 36 elasticity, sealing sheet 35 closes air passage 34 again, then, exert the tension to handle 33 again, namely drive piston 31 again, until water is drawn into water collecting cavity 11. In this process, one-way valve 22 avoids water backflow. The utility model discloses an ecological environment detection sewage sampling device, and collection personnel can be away from the dangerous area of water body shore zone, and water inlet pipe 21 is thrown into the water, and then repeatedly draws water by water pumping assembly 30, until water is drawn into water collecting cavity 11, effectively avoid the situation that collection personnel sink into the mud of shore, and simultaneously reduce the difficulty of sampling operation.

[0036] The above-described embodiments are merely used to illustrate the technical solutions of the present application, but not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An ecological environment detection sewage sampling device, characterized in that, The utility model provides a water sampling device, which comprises: a collecting cylinder (10) having a water collecting cavity (11); a water inlet assembly (20) comprising a flexible water inlet pipe (21) in communication with the water collecting cavity (11), wherein one end of the water inlet pipe (21) away from the water collecting cavity (11) is provided with a one-way valve (22); a water pumping assembly (30) comprising a piston (31) arranged in the water collecting cavity (11), a pull rod (32) connected with the piston (31), and a handle (33) arranged at one end of the pull rod (32), wherein the pull rod (32) is provided with an air passage (34) in communication with the water collecting cavity (11), the air passage (34) is provided with a sealing sheet (35) therein, the sealing sheet (35) is used for adjusting the penetration and closure of the air passage (34), one side of the sealing sheet (35) is provided with a spring (36), and the other side of the sealing sheet (35) is provided with a push rod (37) extending out of the air passage (34).

2. The ecological environment detection sewage sampling device according to claim 1, characterized in that, One end of the collecting cylinder (10) is provided with a through hole, and the pull rod (32) passes through the through hole. The air passage (34) penetrates the piston (31), the piston (31) and the handle (33), the sealing sheet (35) and the spring (36) are arranged in the handle (33), and the sealing sheet (35) is a plastic gasket.

3. The ecological environment detection sewage sampling device according to claim 1, characterized in that, One side of the sealing sheet (35) close to the spring (36) is provided with a connecting plate (38), and the other side of the connecting plate (38) away from the sealing sheet (35) is connected with the spring (36).

4. The ecological environment detection sewage sampling device according to claim 3, characterized in that, The air passage (34) comprises a first air passage section (341) and a second air passage section (342), the spring (36), the sealing sheet (35) and the connecting plate (38) are arranged in the first air passage section (341), and the aperture of the first air passage section (341) is larger than the aperture of the second air passage section (342).

5. The ecological environment detection sewage sampling device according to claim 4, characterized in that, The diameter of the sealing sheet (35) is equal to the diameter of the connecting plate (38), the diameter of the sealing sheet (35) is smaller than the aperture of the first air passage section (341), and the diameter of the sealing sheet (35) is larger than the aperture of the second air passage section (342).

6. The ecological environment detection sewage sampling device according to claim 1, characterized in that, The collecting cylinder (10) further has a receiving cavity (12) for receiving the water inlet pipe (21).

7. The ecological environment detection sewage sampling device according to claim 1, characterized in that, One end of the collecting cylinder (10) is provided with a cover body (13), and the water inlet pipe (21) passes through the cover body (13); the outer periphery of the cover body (13) is provided with an external thread, and the inner wall of the collecting cylinder (10) is provided with an internal thread corresponding to the external thread.

8. The ecologically environment detecting sewage sampling device according to claim 7, characterized in that, The cover body (13) can float on the water surface; and the cover body (13) is made of wood or plastic material.

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