CN211292150U - Handheld crop trace element content sample extractor convenient to store - Google Patents

Abstract

A hand-held crop trace element content sample extractor for easy storage relates to the technical field of crops, and includes a tube body, a baffle plate at one end of the tube body, a compression cavity inside the tube body, a moving rod running through the compression cavity, and a moving rod on the moving rod. There is an abutting plate, the moving rod is sleeved with a spring, one end of the moving rod is connected with a piston, one end of the pipe body is connected with an extraction pipe, and the side wall of the pipe body is provided with a conical through groove that communicates with the inner cavity of the pipe. One end of the through groove is provided with a baffle plate, the baffle plate is provided with a ventilation hole, and the bottom end of the conical through groove is connected with a sample cavity. Pull the pull ring outward to drive the piston to move outward, so that the extraction liquid enters the inside of the tube body through the extraction tube, and at the same time, the extraction liquid flows into the sample cavity under the action of the partition plate and the conical through groove, and the screwed fixed sample cavity is It is easy to take off for inspection, and the whole sampling process is not affected by external influences, which ensures the integrity of the sample, thereby ensuring the accuracy of the later inspection.

Description

Hand-held crop trace element sample extractor for easy storage

technical field

The utility model relates to the technical field of crops, in particular to a hand-held crop trace element content sample extractor which is convenient for storage.

Background technique

The quality of existing crops and the issue of food safety involve the vital interests of the broad masses of the people. The supervision of crop quality has always been one of the important tasks of relevant national regulatory agencies at all levels. In order to ensure the reasonable supervision of crops, it is a very important supervision method to extract and sample the crops with suspected problems and submit them for inspection. Generally, ordinary syringes are used to extract the crop extract, which has many shortcomings. It is not only troublesome to operate, but also time-consuming and labor-intensive. The problem of contamination of the extract is easy to occur during the operation, which affects the accuracy of the test results.

Utility model content

In view of the above-mentioned problems, the present invention provides a hand-held sample extractor for crop trace element content that is easy to receive. The utility model has reasonable structural design, simple operation, and good sampling quality. Pull the ring outward to drive the piston to move outward, and then The extraction liquid enters the inside of the tube body through the extraction tube, and at the same time, the extraction liquid flows into the sample cavity under the action of the partition plate and the conical through groove, and the screwed fixed sample cavity is removed for easy inspection. , to ensure the integrity of the sample, thereby ensuring the accuracy of the post-test.

The technical solution is as follows: a tube body is included, one end of the tube body is provided with a baffle plate, a compression cavity is arranged inside the tube body, a moving rod is arranged through the inside of the compression cavity, and the moving rod can be inserted into the compression cavity Internal sliding, the moving rod is provided with an abutting plate, the moving rod is sleeved with a spring, the end of the moving rod close to the baffle penetrates the baffle and is connected with the pull ring, and the moving rod is far away from the One end of the baffle is connected with a piston, one end of the pipe body away from the baffle is detachably connected with an extraction pipe, and the side wall of the pipe body is close to the extraction pipe and is connected to the inner cavity of the pipe. The bottom end of the conical through groove is detachably connected to the sample cavity, and the end of the conical through groove close to the piston is provided with a baffle plate, and the baffle plate is provided with a ventilation hole.

Preferably, the abutting plate abuts against an end of the compression chamber away from the baffle, and the abutting plate can slide inside the compression chamber, one end of the spring is connected to the abutting plate, and the The other end of the spring is connected with one end of the inside of the compression chamber close to the baffle.

Preferably, a pair of sliding grooves are provided on the inner side wall of the compression chamber, a sliding block is provided on the abutting plate to cooperate with the sliding grooves, and ball grooves are provided on the left and right sides of the interior of the sliding groove. In addition, a plurality of balls are arranged inside the two ball grooves.

Preferably, the bottom end of the conical through groove is provided with a threaded segment, and the top of the sample cavity is threadedly connected with the threaded segment.

Preferably, the sample cavity is made of transparent material, and the outer side wall of the sample cavity is provided with scale lines.

Preferably, the extraction pipe is connected to the end of the pipe body by screwing, and the extraction pipe is curved.

Preferably, a handle is provided on the outer side wall of the pipe body near the end of the baffle, and a non-slip rubber layer is provided on the handle.

Preferably, the pull ring is wrapped with a wear-resistant layer.

The utility model provides a hand-held crop trace element content sample extractor that is convenient for storage, and compared with the prior art, the beneficial effects are as follows:

1. The utility model has reasonable structural design, simple operation, and good sampling quality. Pull the ring outward to drive the piston to move outward, so that the extraction liquid enters the inside of the pipe body through the extraction pipe, and at the same time, it is in the space between the baffle and the conical through groove. Under the action, the extraction liquid flows into the sample cavity, and the screwed fixed sample cavity is removed for easy inspection. The whole sampling process is not affected by external influences to ensure the integrity of the sample, thereby ensuring the accuracy of the later inspection;

2. The sample cavity and the extraction tube of the present invention are fixed by screw connection, so that the sample cavity and the extraction tube can be easily removed, and can be recycled and reused after cleaning and disinfection treatment, which effectively saves resources.

Description of drawings

Figure 1 is an overall horizontal cross-sectional view of the utility model.

FIG. 2 is an enlarged view of part A in FIG. 1 .

Fig. 3 is the internal structure diagram of the pipe body in the utility model.

Figure 4 is an overall front view of the utility model.

In the figure: 1-pipe body, 2-baffle plate, 3-compression chamber, 4-moving rod, 5-platelet, 6-spring, 7-pull ring, 8-piston, 9-extraction tube, 10-cone Through groove, 11-sample cavity, 12-chute, 13-slider, 14-ball groove, 15-ball, 16-handle, 17-partition, 18-vent hole.

Detailed ways

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present utility model. In the description of the present utility model, it is necessary to explain It should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The orientation or positional relationship shown in the figures is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as Limitations of the present invention.

In addition, the terms "first", "second" and "third" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that unless otherwise specified The terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection. Connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The present utility model will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings.

Embodiment 1. As shown in Figures 1 to 4, a hand-held crop trace element content sample extractor for easy storage includes a tube body 1, and a baffle plate 2 is provided at one end of the tube body 1. The pipe body 1 can be made of stainless steel metal material.

There is a compression cavity 3 inside the tube body 1, the compression cavity 3 and the tube body 1 are integrally formed, and a moving rod 4 runs through the inside of the compression cavity 3, and the moving rod 4 can slide inside the compression cavity 3, that is, the two parts of the compression cavity 3. The end face is provided with a sliding hole, and the moving rod 4 can slide back and forth in the sliding hole.

The moving rod 4 is provided with an abutting plate 5 , and the abutting plate 5 is integrally formed with the moving rod 4 , and the moving rod 4 is sleeved with a spring 6 . The abutment plate 5 abuts against the end of the compression chamber 3 away from the baffle plate 2, and the abutment plate 5 is adapted to the size of the compression chamber 3, so that the abutment plate 5 can slide inside the compression chamber 3, and one end of the spring 6 is in contact with the abutment plate 5. Connection, the other end of the spring 6 is connected with the end of the compression chamber 3 close to the baffle plate 2 . Wherein, both ends of the spring 6 can abut against the plate 5, and the compression chamber 3 is fixedly connected by welding.

One end of the moving rod 4 close to the baffle 2 penetrates the baffle 2 and is connected with the pull ring 7. The baffle 2 is also provided with a sliding hole, the moving rod 4 can slide back and forth in the sliding hole, and the pulling ring 7 and the moving rod 4 are welded and fixed. Connection, the pull ring 7 is wrapped with a wear-resistant layer, the wear-resistant layer is made of rubber material, the wear-resistant layer is bonded to the pull-ring 7 by glue, and the wear-resistant layer is set. Department of comfort.

One end of the moving rod 4 away from the baffle 2 is connected with a piston 8, and one end of the moving rod 4 away from the baffle 2 is integrally provided with a clamping block, the clamping block is connected with the piston 8 by clamping, and the piston 8 is bonded to the moving rod 4 by strong glue. superior.

One end of the pipe body 1 away from the baffle plate 2 is detachably connected with an extraction pipe 9 .

The side wall of the pipe body 1 is provided with a conical through groove 10 which is communicated with the inner cavity of the pipe body 1 near the extraction pipe 9. The end of the conical through groove 10 close to the piston 8 is provided with a partition plate 17, and the partition plate 17 is connected to the pipe body. 1. It is integrally formed, and the baffle 17 is provided with a ventilation hole 18.

A sample cavity 11 is detachably connected to the bottom end of the conical through groove 10 . The sample cavity 11 is removed to facilitate inspection.

Working principle: when the sample liquid needs to be extracted, connect the extraction tube 9 to the tube body 1, connect the sample cavity 11 to the bottom end of the conical through groove 10, place the extraction tube 9 in the extraction solution, and use your hand to Pull the pull ring 7, at this time the abutting plate 5 slides in the direction close to the baffle 2, the spring 6 is compressed, and the moving rod 4 drives the piston 8 to move outward, so that the extraction liquid enters the inside of the pipe body 1 through the extraction pipe 9, and at the same time The extraction liquid flows into the sample chamber 11 under the action of the baffle 17 and the conical through groove 10 . When the sampling is completed, the handle is released, and the piston 8 is reset under the elastic action of the spring 6 . The entire sampling process is not affected by external influences, ensuring the integrity of the samples, thereby ensuring the accuracy of post-testing.

Embodiment 2. On the basis of the above-mentioned embodiment, further, a pair of sliding grooves 12 are provided on the inner side wall of the compression chamber 3, and a sliding block 13 is provided on the abutting plate 5 to cooperate with the sliding grooves 12. Ball grooves 14 are opened on both the left and right sides, and a plurality of balls 15 are arranged inside the two ball grooves 14 . The sliding groove 12 and the sliding block 13 are provided to prevent the contact plate 5 and the moving rod 4 from rotating in the compression chamber 3, and the ball 15 is provided to convert the sliding friction between the sliding block 13 and the sliding groove 12 into rolling friction, which relieves the contact plate 5 The wear with the compression chamber 3 increases the service life of the device.

Embodiment 3 On the basis of the above embodiment, further, the bottom end of the conical through groove 10 is provided with a threaded section, the threaded section and the conical through groove 10 are integrally formed, and the top of the sample cavity 11 is threadedly connected with the threaded section.

The sample cavity 11 is made of a transparent material, and the outer wall of the sample cavity 11 is provided with a scale line, which is convenient for checking the amount of the extraction liquid inside the sample cavity 11 .

The extraction pipe 9 is connected to the end of the pipe body 1 by screwing, and the extraction pipe 9 is curved.

The sample cavity 11 and the extraction tube 9 are fixed by screw connection, so that the sample cavity 11 and the extraction tube 9 can be easily removed, and can be recycled and reused after cleaning and disinfection treatment, which effectively saves resources.

Embodiment 4. On the basis of the above embodiment, further, the outer side wall of the pipe body 1 is provided with a handle 16 near the end of the baffle plate 2, the handle 16 is integrally formed with the pipe body 1, and the handle 16 is provided with a non-slip rubber layer to prevent anti-slip. The rubber layer is bonded to the handle 16 by glue, and the handle 16 is provided to facilitate the extraction of the extraction liquid by holding the device, and a non-slip rubber layer is provided to increase hand comfort.

The utility model has the advantages of reasonable structure design, simple operation and good sampling quality. The pull ring is pulled outward to drive the piston to move outward, so that the extraction liquid enters the inside of the pipe body through the extraction pipe, and at the same time, under the action of the baffle and the conical through groove The extraction liquid flows into the sample cavity, and the screwed fixed sample cavity is removed for easy inspection. The whole sampling process is not affected by external influences, which ensures the integrity of the sample and ensures the accuracy of the later inspection.

Although the present invention has been specifically shown and introduced in conjunction with the preferred embodiments, there are many methods and approaches to realize the technical solution. Various changes can be made to the present utility model in form and detail within the spirit and scope of the present utility model defined by the appended claims, which are all within the protection scope of the present utility model.

Claims (8)

1. A hand-held crop microelement content sample extractor for easy storage, comprising a pipe body (1), characterized in that a baffle plate (2) is provided at one end of the pipe body (1), and the interior of the pipe body (1) is provided with a baffle plate (2). A compression chamber (3) is provided, and a moving rod (4) is provided through the inside of the compression chamber (3), and the moving rod (4) can slide inside the compression chamber (3), and the moving rod ( 4) An abutting plate (5) is provided thereon, a spring (6) is sleeved on the moving rod (4), and one end of the moving rod (4) close to the baffle plate (2) penetrates the baffle plate (2). ) and is connected with the pull ring (7), the end of the moving rod (4) away from the baffle (2) is connected with a piston (8), the pipe body (1) is away from the baffle (2) An extraction pipe (9) is detachably connected at one end, and a conical through groove communicated with the inner cavity of the pipe body (1) is provided on the side wall of the pipe body (1) near the extraction pipe (9). (10), the end of the conical through groove (10) close to the piston (8) is provided with a partition (17), the partition (17) is provided with a ventilation hole (18), the conical The bottom end of the through groove (10) is detachably connected with a sample cavity (11). 2. The hand-held crop trace element content sample extractor for easy storage according to claim 1, characterized in that, the abutting plate (5) abuts against the interior of the compression chamber (3) and is away from the baffle plate (2). ), and the abutment plate (5) can slide inside the compression chamber (3), one end of the spring (6) is connected with the abutment plate (5), and the other end of the spring (6) One end is connected to the end of the compression chamber (3) close to the baffle plate (2). 3. The hand-held crop trace element content sample extractor for easy storage according to claim 2, characterized in that, a pair of chutes (12) are opened on the inner side wall of the compression chamber (3), and the abutting plate ( 5) There is a slider (13) that cooperates with the sliding groove (12) and slides, and the inner left and right sides of the sliding groove (12) are provided with ball grooves (14), and two of the balls Several balls (15) are arranged inside the grooves (14). 4. The hand-held crop microelement content sample extractor for easy storage according to claim 1, characterized in that, the bottom end of the conical through groove (10) is provided with a threaded segment, and the sample cavity (11) The top of the threaded connection is threaded with the threaded section. 5. The hand-held crop trace element content sample extractor according to claim 4, characterized in that, the sample cavity (11) is made of transparent material, and the outer side wall of the sample cavity (11) is provided with a There are tick marks. 6. The hand-held crop trace element content sample extractor according to claim 1, characterized in that, the extraction pipe (9) is connected to the end of the pipe body (1) by means of threads, and the extraction pipe (9) is threaded. The extraction tube (9) is curved. 7. The hand-held crop microelement content sample extractor according to claim 1, characterized in that, a handle (16) is provided on the outer side wall of the pipe body (1) near the end of the baffle (2). ), the handle (16) is provided with a non-slip rubber layer. 8 . The hand-held crop microelement content sample extractor according to claim 1 , wherein the pull ring ( 7 ) is wrapped with a wear-resistant layer. 9 .

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