CN213336877U

CN213336877U - Sampler

Info

Publication number: CN213336877U
Application number: CN202022523523.8U
Authority: CN
Inventors: 李联地; 任启文; 张树梓; 郭娇娇; 张业飞; 王伟; 楚紫辉; 王鑫; 张树彬; 郝敏
Original assignee: Hebei Academy Of Forestry And Grassland Sciences
Current assignee: Hebei Academy Of Forestry And Grassland Sciences
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-06-01
Anticipated expiration: 2030-11-04

Abstract

The utility model provides a sampler, belonging to the technical field of water quality detection, comprising a sampling pipe fitting, a sampling head, a fixed cover, a movable cutting edge, a hinged frame and a guy cable, wherein the sampling head is fixedly arranged at the lower end of the sampling pipe fitting; the lower end of the sampling head is provided with a fixed cutting edge; the outer side surface of the sampling head is provided with a hinge; the fixed cover is fixed at the lower end of the sampling head and is arranged opposite to the fixed cutting edge; an opening is arranged between the fixed cover and the fixed cutting edge; the upper end of the movable cutting edge is hinged with the lower end of the sampling head and is matched with the fixed cutting edge; the movable cutting edge is connected in the fixed cover in a sliding way; one end of the hinged frame is hinged on the movable cutting edge, and the other end of the hinged frame is hinged on the hinge; the cable is located one side of sampling pipe fitting, and the lower extreme is connected with the one end of articulated frame. The utility model provides a sampler rotates with the help of cable and articulated frame drive activity blade, and then makes activity blade, fixed blade and fixed cover seal the sampling head, collects the bed mud in sampling head and sampling pipe fitting, easy operation convenience.

Description

Sampler

Technical Field

The utility model belongs to the technical field of water quality testing, more specifically say, relate to a sampler.

Background

The water quality monitoring refers to the operations of carrying out unified timing or non-timing detection on chemical substances, suspended matters, bottom mud and a water ecosystem in water, monitoring and measuring the types, concentrations and variation trends of pollutants in the water, evaluating the water quality condition and the like. The method aims to accurately, timely and comprehensively reflect the current situation and the development trend of water quality and provide scientific basis for water environment management, pollution source control, environment planning and the like.

The collection of bed mud is an important index, and the important prerequisite work of obtaining original state mud post for study and analysis quality of water situation, and the sampling equipment that current acquireed original state mud post seals sampling equipment after the sampling is comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sampler to solve the sampling equipment that exists among the prior art and seal the comparatively inconvenient technical problem of sampling equipment after the sampling.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a sampler comprising:

sampling a pipe fitting;

the sampling head is of a hollow structure and is fixedly arranged at the lower end of the sampling pipe fitting; the lower end of the sampling head is provided with a fixed cutting edge; the outer side surface of the sampling head is provided with a hinge;

the fixed cover is fixed at the lower end of the sampling head and is arranged opposite to the fixed cutting edge; an opening for entering a sample is arranged between the fixed cover and the fixed cutting edge;

the upper end of the movable cutting edge is hinged with the lower end of the sampling head and is matched with the fixed cutting edge; the movable cutting edge is connected in the fixed cover in a sliding manner;

one end of the hinged frame is hinged on the movable cutting edge, and the other end of the hinged frame is hinged on the hinge;

the pull cable is located one side of sampling pipe fitting, and the lower extreme is connected with the one end of articulated frame, is used for the drive articulated frame winds the hinge rotates.

As another embodiment of this application, be equipped with the internal thread in the sampling head, the sampling pipe fitting with sampling head threaded connection.

As another embodiment of the present application, the sampling tube comprises:

the first connecting pipe is connected with the sampling head; the lower end of the first connecting pipe is provided with a sleeve;

the second connecting pipe is connected to the first connecting pipe;

the plastic cylinder is arranged in the first connecting pipe and the second connecting pipe; the lower end of the plastic cylinder penetrates through the first connecting pipe and is reversely sleeved on the sleeve.

As another embodiment of the present application, the second connection pipes are multiple and are sequentially connected to the upper side of the first connection pipe.

As another embodiment of the present application, the first connection tube and the second connection tube are screwed, and the first connection tube is screwed with the sampling head.

As another embodiment of the present application, the hinge bracket includes:

the rotating shaft is connected to the hinge; the pull cable is connected with the rotating shaft;

the number of the connecting rods is two; one end of each of the two connecting rods is fixedly connected to the rotating shaft, and the other end of each of the two connecting rods is connected with two sides of the movable cutting edge.

As another embodiment of this application, be equipped with the operating handle that is used for rotating the sample on the sampling pipe fitting.

As another embodiment of this application, be equipped with the spout in the fixed cover, be equipped with on the activity blade with spout sliding connection's slip arch.

As another embodiment of the present application, the lower end of the fixed cutting edge is a pointed end.

As another embodiment of the present application, the fixed cutting edge is integrally formed with the sampling head.

The utility model provides a beneficial effect of sampler lies in: compared with the prior art, the utility model discloses the sampler, link together sampling pipe fitting and sampling head during the use, push down the cable and make movable blade get into fixed cover and open this opening, and then make whole sampler deepen to aquatic bed mud department, fixed blade and bed mud contact, then rotatory sampling pipe fitting, make the sampling head, the sampling pipe fitting rotates and gets into inside the bed mud, the bed mud passes in opening entering sampling pipe fitting and the sampling head, and pull up this cable, the articulated frame of drive rotates downwards around the hinge, and then it slides towards fixed blade in fixed cover to drive movable blade, seal the bed mud in sampling head and sampling pipe fitting, sampling work has been realized. Through this kind of mode, rotate with the help of cable and articulated frame drive activity blade, and then make activity blade, fixed blade and fixed cover seal the sampling head, collect sediment in sampling head and sampling pipe fitting, easy operation is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view showing a first usage state of a sampler according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating a second usage state of the sampler according to an embodiment of the present invention;

fig. 3 is a schematic view showing a third usage state of the sampler according to an embodiment of the present invention;

fig. 4 is a partially exploded schematic view of a sampler according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a first connection pipe according to an embodiment of the present invention;

fig. 6 is a schematic view of the connection between the movable cutting edge and the fixed cover according to the embodiment of the present invention;

fig. 7 is a schematic structural diagram of an articulated frame according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. sampling a pipe fitting; 11. a first connecting pipe; 111. a sleeve; 12. a second connecting pipe; 13. a plastic cartridge; 14. an external thread; 15. an operating handle; 2. a sampling head; 21. fixing the cutting edge; 22. a hinge; 23. an internal thread; 3. a fixed cover; 31. an opening; 32. a chute; 4. a movable cutting edge; 41. a sliding projection; 5. a hinged frame; 51. a rotating shaft; 52. a connecting rod; 6. a pull rope.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 7, a sampler provided by the present invention will now be described. A sampler comprises a sampling pipe fitting 1, a sampling head 2, a fixed cover 3, a movable cutting edge 4, a hinged frame 5 and a guy cable 6, wherein the sampling head 2 is of a hollow structure and is fixedly arranged at the lower end of the sampling pipe fitting 1; the lower end of the sampling head 2 is provided with a fixed cutting edge 21; the outer side surface of the sampling head 2 is provided with a hinge 22; the fixed cover 3 is fixed at the lower end of the sampling head 2 and is arranged opposite to the fixed cutting edge 21; an opening 31 for entering a sample is arranged between the fixed cover 3 and the fixed cutting edge 21; the upper end of the movable cutting edge 4 is hinged with the lower end of the sampling head 2 and is matched with the fixed cutting edge 21; the movable cutting edge 4 is connected in the fixed cover 3 in a sliding way; one end of the hinged frame 5 is hinged on the movable cutting edge 4, and the other end is hinged on the hinge 22; the pull cable 6 is located at one side of the sampling pipe fitting 1, and the lower end of the pull cable is connected with one end of the hinge frame 5 for driving the hinge frame 5 to rotate around the hinge 22.

The utility model provides a sampler, compared with the prior art, will sample pipe fitting 1 and sampling head 2 link together during the use, push down cable 6 and make activity blade 4 get into fixed cover 3 in and open this opening 31, and then make whole sampler deepen to aquatic bed mud department, fixed blade 21 and bed mud contact, then rotatory sampling pipe fitting 1, make sampling head 2, sampling pipe fitting 1 rotates inside getting into the bed mud, the bed mud passes opening 31 and gets into in sampling pipe fitting 1 and the sampling head 2, and pull up this cable 6, drive articulated frame 5 is around hinge 22 downwardly rotating, and then drive activity blade 4 and slide towards fixed blade 21 in fixed cover 3, seal the bed mud in sampling head 2 and sampling pipe fitting 1, sampling work has been realized. Through this kind of mode, with the help of cable 6 and the rotation of 5 drive activity blades of articulated frame 4, and then make activity blade 4, fixed blade 21 and fixed cover 3 seal sampling head 2, collect sediment in sampling head 2 and sampling pipe fitting 1, easy operation is convenient.

Please refer to fig. 1 to 5, as the utility model provides a concrete implementation of sampler, is equipped with the internal thread 23 in the sampling head 2, and sampling pipe fitting 1 and sampling head 2 threaded connection make sampling pipe fitting 1 and sampling head 2 link together through internal thread 23 and external screw thread 14, convenient operation and connection are reliable.

Referring to fig. 1 to 5, as a specific embodiment of the sampler provided by the present invention, the sampling pipe 1 includes a first connecting pipe 11, a second connecting pipe 12 and a plastic cylinder 13, the first connecting pipe 11 is connected to the sampling head 2; the lower end of the first connecting pipe 11 is provided with a sleeve 111; the second connection pipe 12 is connected to the first connection pipe 11; the plastic cylinder 13 is arranged in the first connecting pipe 11 and the second connecting pipe 12; the lower end of the plastic cylinder 13 penetrates through the first connecting pipe 11 and is reversely sleeved on the sleeve 111; when in use, the first connecting pipe 11 and the second connecting pipe 12 are connected together, the plastic barrel 13 sequentially passes through the second connecting pipe 12 and the first connecting pipe 11, the upper end of the plastic barrel 13 is positioned above the second connecting pipe 12, the lower end of the plastic barrel 13 passes through the first connecting pipe 11 and then is reversely sleeved on the sleeve 111 at the lower end of the first connecting pipe 11, and the plastic barrel 13 can be tightly bound on the sleeve 111 by using a binding rope and the like; then, the first connecting tube 11 and the second connecting tube 12 are connected together with the sampling head 2 to form the whole sampler. Through this kind of structure, can enter into plastic cylinder 13 through sampling head 2, first connecting pipe 11 and second connecting pipe 12 with the mud post of bed mud in, the mud post of plastic cylinder 13 seal up for deposit is convenient for observe measure and cut, can reasonably utilize the space under the prerequisite of original state, portable and transportation have solved sampler occupation space, have been difficult to carry and have surveyd and to the high difficult problem of transportation space requirement. An annular mounting surface connected with the lower end of the sleeve 111 is arranged on the inner wall of the sampling head 2, and a rubber pad is arranged on the annular mounting surface to play a role of sealing connection.

Referring to fig. 1 to 5, as a specific embodiment of the sampler provided by the present invention, the second connecting pipes 12 are multiple, and are sequentially connected above the first connecting pipe 11, and a plurality of second connecting pipes 12 are provided, so that the second connecting pipes 12 can be detached or installed according to the working environment of the sampler, so that the length of the sampler is suitable for the working environment. The plurality of second connecting pipes 12 are connected with each other by screw threads.

Please refer to fig. 1 to 5, as a specific embodiment of the sampler provided by the present invention, the first connecting pipe 11 and the second connecting pipe 12 are connected by screw threads, the first connecting pipe 11 is connected by screw threads with the sampling head 2, the first connecting pipe 11 is connected by screw threads with the second connecting pipe 12 and the sampling head 2, so that the connection between the three is faster and more reliable. The upper end and the lower end of the pipe wall of the first connecting pipe 11 are provided with threads which are respectively in threaded connection with the second connecting pipe 12 and the sampling head 2.

Referring to fig. 1 to 4 and fig. 7, as an embodiment of the sampler provided in the present invention, the hinge frame 5 includes a rotating shaft 51 and a connecting rod 52; the rotating shaft 51 is connected to the hinge 22; the inhaul cable 6 is connected with the rotating shaft 51; the number of the connecting rods 52 is two; one end of each connecting rod 52 is fixedly connected to the rotating shaft 51, the other end of each connecting rod is connected with two sides of the movable cutting edge 4, and the rotating shaft 51 is rotatably connected with the hinge 22 to enable the rotating shaft to rotate around the hinge 22; the one end of two connecting rods 52 is fixed connection respectively at the both ends of pivot 51, and the other end of two connecting rods 52 sets up with the both sides of activity blade 4 respectively, promptly, two connecting rods 52 are located the both sides of the articulated shaft of activity blade 4 respectively, when pulling up or pushing down cable 6, cable 6 drive pivot 51 rotates, and then drives activity blade 4 with the help of two connecting rods 52 and rotate around the articulated shaft. The hinge frame 5 with the structure has higher stability and is connected with the movable cutting edge 4 at two points, so that the movable cutting edge 4 can be driven to stably rotate.

Please refer to fig. 1 to 3, as the utility model provides a concrete implementation of sampler is equipped with the operating handle 15 that is used for rotating the sample on the sampling pipe fitting 1, when drive sampling pipe fitting 1 and sampling head 2 rotate the sample, can hold operating handle 15, and then control whole sampler and rotate to under fixed blade 21 is connected with the sediment, inside the sampler can go deep into the sediment, make the sediment sample full of sampling head 2, sampling pipe fitting 1. Can set up the helicla flute on operating handle 15, after pull-up or push down the zip drive articulated frame 5 and the motion of activity blade 4 to suitable operating position, make the upper end of cable 6 along the helicla flute winding and knot fixed, the dismouting of being convenient for.

Please refer to fig. 1 to 6, as a specific embodiment of the sampler provided by the present invention, a sliding groove 32 is provided in the fixed cover 3, a sliding protrusion 41 slidably connected with the sliding groove 32 is provided on the movable cutting edge 4, the fixed cover 3 has a notch for sliding the movable cutting edge 4 in and out, the notch is located on one side of the fixed cover 3 close to the fixed cutting edge 21, the movable cutting edge 4 is convenient to enter or exit the fixed cover 3 in the rotation process around the hinge shaft, and the sampler is further opened or closed. During installation, the sliding protrusion 41 on the movable cutting edge 4 is slidably installed in the sliding groove 32, and when the pull cable 6 is pulled upwards or pushed downwards, the hinge frame 5 is driven to rotate upwards and downwards, so that the movable cutting edge 4 is driven to rotate around the hinge shaft, and the sliding protrusion 41 of the movable cutting edge 4 slides out of or into the fixed cover 3 along the sliding groove 32. The sliding groove 32 also plays a role in limiting the movable cutting edge 4 up and down, so that the movable cutting edge can only slide along the sliding groove 32. A rubber pad may be provided in the slide groove 32 to increase the frictional force between the slide protrusion 41 and the slide groove 32.

Referring to fig. 1 to 4, as a specific embodiment of the sampler provided by the present invention, the lower end of the fixed cutting edge 21 is a pointed end, when using the sampler, the whole sampler is vertically placed in water, and the fixed cutting edge 21 contacts with the sediment and goes deep into the sediment, so that the sampler is stable. And when the sampler is moved downwards in the substrate sludge by holding the operating handle 15 with a hand and rotating the sampler, the fixed cutting edge 21 can more easily drill holes in the substrate sludge and take out samples from the substrate sludge under the action of the tip.

Please refer to fig. 1 to 4, as a specific embodiment of the sampler provided by the present invention, the fixed cutting edge 21 and the sampling head 2 are integrally formed, so as to improve the connection strength between the fixed cutting edge 21 and the sampling head 2, and ensure that the fixed cutting edge 21 can always maintain better stability and strength in the using process. The fixed cutting edge 21 is located the lower extreme of sampling head 2, and fixed cutting edge 21 is at first with the bed mud contact during the use.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A sampler, comprising:

sampling a pipe fitting;

2. The sampler of claim 1, wherein the sampling head is internally threaded, and the sampling tube is threadedly coupled to the sampling head.

3. A sampler according to claim 1, wherein the sampling tube comprises:

the second connecting pipe is connected to the first connecting pipe;

4. A sampler according to claim 3, in which the second connecting tube is plural and is connected above the first connecting tube in turn.

5. A sampler according to claim 3, wherein the first and second connection tubes are threaded, the first connection tube being threaded with the sampling head.

6. A sampler according to claim 1, in which the hinged rack comprises:

7. The sampler of claim 1, wherein the sampling tube member is provided with an operating handle for rotating the sampling tube member for sampling.

8. The sampler according to claim 1, wherein a sliding groove is arranged in the fixed cover, and a sliding protrusion which is connected with the sliding groove in a sliding manner is arranged on the movable cutting edge.

9. A sampler according to claim 1, wherein the lower end of the fixed cutting edge is pointed.

10. A sampler according to claim 1, wherein the fixed cutting edge is integrally formed with the sampling head.