CN219046024U - Powder ration sampling spoon - Google Patents

Abstract

The utility model discloses a powder quantitative sampling spoon, which comprises a spoon head, a spoon handle, a scraping plate and a push rod; a limiting ring is arranged at one end of the spoon handle close to the spoon head, a push rod is movably sleeved in the limiting ring, and the limiting ring is used for limiting and guiding the push rod so as to force the bottom of the scraping plate to be always clung to the edge of the spoon head; the movement direction of the push rod is the same as the length direction of the spoon handle; one end of the push rod, which is close to the spoon head, is provided with a scraping plate. According to the utility model, the scraping plate is tightly attached to the edge of the spoon head to move by pushing the push rod, so that redundant samples in the spoon head can be effectively scraped, the sampling quantity of each time is ensured to be as consistent as possible, and the sampling efficiency is improved.

Description

Powder ration sampling spoon

Technical Field

The utility model belongs to the technical field of powder sampling, and particularly relates to a powder quantitative sampling spoon.

Background

In the routine work of the laboratory, the weighing of the powdered sample or reagent is a routine operation, and in many cases it is required that the amount of each sample is as uniform as possible. At present, the common practice in the laboratory is to use a sampling spoon to sample for multiple times and gradually reduce the sampling amount, so that the target sampling amount is achieved, and the efficiency of the whole sampling process is lower.

The Chinese patent with publication number of CN211205867U discloses a quick variable quantitative liquid sampling spoon for geological experiment test solution, which comprises a small spoon cup, a large spoon cup and a cup holder, wherein the small spoon cup is connected with the large spoon cup in a sliding manner, a sealing ring is connected between the small spoon cup and the large spoon cup through a clamping groove, and one side of the bottom end of the small spoon cup is adhered with the cup holder. The beneficial effects are that: according to the utility model, the large spoon cup, the small spoon cup, the sealing ring and the cup stand are arranged, the large spoon cup can slide up and down on the small spoon cup along the cup stand, so that the sampling amount of the sampling spoon is adjusted, the variable quantitative sampling is facilitated, the sampling convenience is improved, the outdoor sampling carrying amount is reduced, the carrying capacity is convenient to carry, the practicability of the device is greatly improved, the spoon handle I, the spoon handle II and the spoon handle sleeve are arranged, the spoon handle II can slide in the spoon handle I, the integral length of the spoon handle can be adjusted, the flexibility of the device is increased, the sampling is facilitated, and the application range is increased. This patent discloses a sampling spoon which can be used for quantitative sampling, but is only suitable for liquid sampling and is not suitable for solid powder sampling.

Chinese patent publication No. CN211347528U discloses a medicinal powder single-point quantitative sampler, including the sampler casing that the cross-section shape is the font, and the bottom is conical, the spring installation cavity of setting on sampler casing upper portion, set up in the sampler casing lower part, and with the sampling cavity of spring installation cavity intercommunication, the first handle of setting on sampler casing top edge, the spacing pearl of setting on sampler casing upper portion, one end cover is established in the spring installation cavity, be the second handle of tee bend, the cover is established at the second handle outward flange, and place the spring in the spring installation cavity in, the second spring baffle of setting on spring upper portion, and fix on the second handle, set up in the spring lower part, the center sets up the round hole, and fix the first spring baffle on sampling cavity upper portion, set up in first spring baffle below, install the second handle bottom, and with sampling cavity internal diameter looks adaptation's clamp plate, the cover is established at sampler casing upper portion outward flange, correspond the setting with sampling cavity, and be used for restricting the sealing plate of sampling cavity opening size. Although the patent can be used for sampling solid powder samples, the structure is complex, the disassembly and maintenance are not easy, the manufacturing cost is high, and the device is not suitable for large-scale popularization.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a powder quantitative sampling spoon.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a powder quantitative sampling spoon comprises a spoon head, a spoon handle, a scraping plate and a push rod; a limiting ring is arranged at one end of the spoon handle close to the spoon head, a push rod is movably sleeved in the limiting ring, and the movement direction of the push rod is the same as the length direction of the spoon handle; one end of the push rod, which is close to the spoon head, is provided with a scraping plate, and the bottom surface of the scraping plate is tightly attached to the edge of the spoon head. According to the utility model, the scraping plate is tightly attached to the edge of the spoon head to move by pushing the push rod, so that redundant samples in the spoon head can be effectively scraped, the sampling quantity of each time is ensured to be as consistent as possible, and the sampling efficiency is improved.

Preferably, a pressure head is arranged at one end of the push rod, which is far away from the spoon head, a limit plate is arranged between the pressure head and the limit ring, a spring is arranged between the limit plate and the pressure head, the spring is sleeved outside the push rod, and the push rod penetrates through the limit plate; the distance between the pressure head and the limiting plate is greater than the length of the spoon head. Through setting up pressure head, limiting plate and spring, can make at every turn promote the scraper blade strike off behind the unnecessary sample of spoon head, the scraper blade can be moved back to initial position automatically, uses when being convenient for next sample, has improved the efficiency of multiple sampling.

Further, the sponge sleeve is sleeved outside the pressure head, so that the comfort of the pressure head can be improved.

Further, threads are arranged at two ends of the push rod, screw holes are arranged at the connection positions of the scraping plate and the pressure head and the push rod, and the push rod is detachably connected with the pressure head and the scraping plate through a threaded structure. Through design this kind of detachable construction, be convenient for scraper blade and press the periodic replacement of head, maintenance and washing.

Further, the abrasion-resistant rubber pad is arranged at the bottom of the scraping plate, so that the scraping plate is prevented from being in direct contact with the spoon head, damage to the spoon head and the scraping plate is reduced, and the service life of the sampling spoon is prolonged; and simultaneously noise generated by friction can be reduced.

Specifically, the sample taken by the sampling spoon is a powdery reagent.

Compared with the prior art, the utility model has the beneficial effects that: (1) According to the utility model, by pushing the push rod, the scraping plate is enabled to move close to the edge of the spoon head, and redundant samples in the spoon head can be effectively scraped, so that the sampling quantity of each time is ensured to be as consistent as possible, and the sampling efficiency is improved; (2) According to the utility model, through the arrangement of the pressure head, the limiting plate and the spring, the scraper can automatically return to the initial position after the scraper is pushed to scrape the excessive sample on the spoon head each time, so that the scraper is convenient to use in the next sampling, and the efficiency of multiple sampling is improved (3).

Drawings

FIG. 1 is a schematic top view of a powder metering ladle of the present utility model;

FIG. 2 is a schematic view showing a state of a sampling ladle before scraping by a scraper according to an embodiment of the present utility model;

FIG. 3 is a schematic view showing a state of a sampling ladle after scraping by a scraper according to an embodiment of the present utility model;

in the figure: 1. a spoon head; 2. a scraper; 3. a limiting ring; 4. a push rod; 5. a spoon handle; 6. a limiting plate; 7. a spring; 8. a pressure head; 9. and a rubber pad.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.

As shown in fig. 1 and 2, the embodiment provides a powder quantitative sampling spoon, which comprises a spoon head 1, a spoon handle 5, a scraping plate 2 and a push rod 4; a limiting ring 3 is arranged at one end of the spoon handle 5, which is close to the spoon head 1, a push rod 4 is movably sleeved in the limiting ring 3, and the limiting ring 3 is used for limiting and guiding the push rod 4 so as to force the bottom of the scraping plate 2 to be always clung to the edge of the spoon head 1; the movement direction of the push rod 4 is the same as the length direction of the spoon handle 5; one end of the push rod 4, which is close to the spoon head 1, is provided with a scraping plate 2. According to the utility model, the scraping plate 2 is tightly attached to the edge of the spoon head 1 to move by pushing the push rod 4, so that redundant samples in the spoon head 1 can be effectively scraped, the sampling quantity of each time is ensured to be as consistent as possible, and the sampling efficiency is improved.

Preferably, a pressure head 8 is arranged at one end of the push rod 4 far away from the spoon head 1, a limit plate 6 is arranged between the pressure head 8 and the limit ring 3, a spring 7 is arranged between the limit plate 6 and the pressure head 8, the spring 7 is sleeved outside the push rod 4, and the push rod 4 penetrates through the limit plate 6; the distance between the pressure head 8 and the limiting plate 6 is larger than the length of the spoon head 1. Through setting up pressure head 8, limiting plate 6 and spring 7, can make at every turn promote scraper blade 2 strike off behind the unnecessary sample of spoon head 1, scraper blade 2 can automatic return to initial position, use when being convenient for the next sample, improved the efficiency of multiple sampling.

Further, the sponge sleeve is sleeved outside the pressing head 8, so that the comfort of the pressing head 8 can be improved.

Further, threads are respectively arranged at two ends of the push rod 4, screw holes are respectively arranged at the connection parts of the scraping plate 2 and the pressing head 8 and the push rod 4, and the push rod 4 is detachably connected with the pressing head 8 and the scraping plate 2 through thread structures (not shown in the figure). By designing such a detachable structure, the periodic replacement, maintenance and cleaning of the squeegee blade 2 and the pressing head 8 are facilitated.

Further, the bottom of the scraping plate 2 is provided with a wear-resistant rubber pad 9, so that the scraping plate 2 is prevented from being in direct contact with the spoon head 1, the damage of the spoon head 1 and the scraping plate 2 is reduced, and the service life of the sampling spoon is prolonged; and simultaneously noise generated by friction can be reduced.

Specifically, the sample taken by the sampling spoon is a powdery reagent.

The working mode of the sampling spoon of the embodiment is as follows: firstly, holding a spoon handle 5, inserting a spoon head 1 into a sample to be taken, and drawing out the spoon head 1 after the spoon head 1 is filled with the sample; then, the pressure head 8 is pressed by a finger, and the pressure head 8 pushes the scraping plate 2 to scrape the excessive sample above the spoon head 1 through the push rod 4 (as shown in fig. 3); finally, the fingers are loosened, the pressure head 8 and the scraping plate 2 return to the initial positions (shown in fig. 2) under the action of the springs 7, and at the moment, the volume of the sample contained in the spoon head 1 is equivalent to the volume of the spoon head 1, namely, the quantitative sampling of the spoon head 1 is realized.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The quantitative powder sampling spoon is characterized by comprising a spoon head, a spoon handle, a scraping plate and a push rod; a limiting ring is arranged at one end of the spoon handle close to the spoon head, a push rod is movably sleeved in the limiting ring, and the movement direction of the push rod is the same as the length direction of the spoon handle; a scraping plate is arranged at one end of the push rod, which is close to the spoon head, and the bottom surface of the scraping plate is tightly attached to the edge of the spoon head; a pressure head is arranged at one end of the push rod, which is far away from the spoon head, a limiting plate is arranged between the pressure head and the limiting ring, a spring is arranged between the limiting plate and the pressure head, the spring is sleeved outside the push rod, and the push rod penetrates through the limiting plate; the distance between the pressure head and the limiting plate is greater than the length of the spoon head; the push rod both ends all are equipped with the screw thread, scraper blade, pressure head all are equipped with the screw at the position that is connected with the push rod, the push rod passes through screw structure with pressure head, scraper blade and can dismantle the connection.

2. The powder quantitative sampling ladle as claimed in claim 1, wherein the outside of the pressure head is sleeved with a sponge sleeve.

3. The powder quantitative sampling spoon of claim 1, wherein the bottom of the scraper is provided with a wear-resistant rubber pad.

4. A powder metering ladle as claimed in claim 1, wherein the sample taken by the ladle is a powdered reagent.

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