CN112345468A

CN112345468A - Food detection instrument of many cuvettes of hand-held type contrast

Info

Publication number: CN112345468A
Application number: CN202011013345.2A
Authority: CN
Inventors: 张烨
Original assignee: Jiutianqihong Jiangsu Testing Co ltd
Current assignee: Hebei Qinuo Testing Technology Service Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-02-09
Anticipated expiration: 2040-09-24
Also published as: CN112345468B

Abstract

The invention provides a handheld food detection instrument with multi-cuvette comparison, which relates to the technical field of food detection and solves the problems that in the practical application process of the existing handheld food detection instrument, a single test is limited by only one cuvette, so that only one item can be detected once, the working efficiency is low, and the food to be detected still needs to be manually sampled in the detection process, so that cross infection can be caused due to the fact that the food to be sampled is exposed in the air for a long time The problem of sample failure arises.

Description

Food detection instrument of many cuvettes of hand-held type contrast

Technical Field

The invention belongs to the technical field of food detection, and particularly relates to a handheld food detection instrument with multi-cuvette comparison.

Background

The food safety detection is used for detecting harmful substances in food according to national indexes, and mainly used for detecting harmful and toxic indexes, such as heavy metal, aflatoxin and the like. An important aspect of food science and engineering is to introduce and apply chemical engineering unit operations and develop and form food engineering unit operations, thereby promoting the development of food industry towards large scale, continuity and automation, the food safety problem is already a global topic, and the malignant event of food safety continuously occurs internationally, causing huge economic loss, and the food safety problem mainly comprises the following aspects: the safety problems of chemical hazards, biotoxins, microbial hazards, food adulteration and genetically engineered foods, and the importance of food safety detection is particularly important for the health of the masses.

For example, application No.: CN 201711325021.0, the invention discloses a hand-held instrument for food safety detection, comprising a hand-held rod, wherein the lower end of the hand-held rod is provided with a base, the upper end of the hand-held rod is provided with a base, a rotating shaft is vertically arranged on the base, a bearing is arranged between the lower end of the rotating shaft and the base, the left side of the rotating shaft is provided with a detection table, the middle part of the rotating shaft is provided with a mounting seat, the mounting seat and the rotating shaft are in a T shape, the upper end of the rotating shaft is connected with a horizontally arranged rotating rod, the upper end of the mounting seat is provided with a detection card, the upper end of the detection card is provided with a drip groove, the left side of the detection table is provided with a fixed seat, the upper end of the fixed seat is rightwards provided with a detection seat, the lower end surface of the detection seat is provided with a detector, the detector is positioned right above the detection seat, the structure is ingenious, and the operation is simple and convenient.

Based on the search of the above patent and the discovery of the devices in the prior art, when the above devices are used, although the food detection operation in the handheld state can be performed, in the practical application process, there is a limitation that only one cuvette is used for a single test, so that only one item can be detected at a time, which causes the low working efficiency, and in the detection process, the food to be detected still needs to be manually sampled, so that the problem of cross infection may be caused because the food to be sampled is exposed in the air for a long time.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a handheld multi-cuvette comparison food detection instrument, so as to solve the problems that in the actual application process of the existing handheld food detection instrument, a single test is limited to only one cuvette, so that only one item can be detected at a time, which causes low work efficiency, and the food to be detected still needs to be manually sampled in the detection process, so that cross infection may be caused due to the long-time exposure of the food to be sampled in the air.

The invention relates to a handheld multi-cuvette comparison food detection instrument, which aims and effects are achieved by the following specific technical means:

a handheld food detection instrument with multi-cuvette comparison comprises an insertion box, a sampling mechanism and a testing mechanism, wherein the inside of the insertion box is fixedly connected with a clamping mechanism, and the clamping mechanism is inserted into the left side position inside a detection instrument through the insertion box; the testing mechanism is fixedly connected to the rear side position of the bottom end face of the detector; the sampling mechanism is connected to the position right below the testing mechanism in a shaft connection mode, and the sampling mechanism is connected with the sliding mechanism in a bolted mode; sampling mechanism is including sampling plate, anti-spillage fender and pivot, the anti-spillage fender that encircles is connected to the top face left side position fixed connection of sampling plate, the pivot coupling is in the right side position of sampling plate top face, under the mounted state the sampling plate passes through the pivot coupling under test mechanism position.

Furthermore, the detector comprises a shell, a spectrum liquid crystal screen and a slot, wherein the spectrum liquid crystal screen is embedded in the rear side position of the top end face of the shell, the slot is arranged in the rear side position of the left end face of the shell, and the slot is positioned right below the spectrum liquid crystal screen;

furthermore, the detector also comprises a wrist sleeve and a spectrum adjusting knob, wherein the wrist sleeve is fixedly connected to the front side of the right end face of the shell, the spectrum adjusting knob is rotatably connected to the center of the top end face of the shell, and the spectrum adjusting knob is electrically connected with the spectrum liquid crystal screen;

furthermore, the inserting box comprises a box body, a handle, partition plates and partition chutes, the handle is fixedly connected to the center of the left end face of the box body, the partition plates are provided with five positions, the five partition plates are fixedly connected to the inner position of the box body in a longitudinal array mode, the partition chutes with the same size are formed in the front end face and the rear end face of the right side of the five partition plates, the box body is inserted into the inner position of the inserting groove in the installation state, and the box body is located right below the spectrum liquid crystal screen;

furthermore, the clamping mechanism comprises a rubber soft plug, a cuvette, a clamping plate, a clamping slide block and a reset spring, the rubber soft plug is inserted into an opening at the left end of the cuvette, the clamping slide block is symmetrically and fixedly connected to the front end surface and the rear end surface of the clamping plate, the reset spring is fixedly connected to the right end surface of the clamping plate, the cuvette is located at the inner side of the partition plate in the installation state, the rubber soft plug is fixedly connected to the inner left end surface of the box body, the clamping plate is elastically connected to the inner right end surface of the box body through the reset spring, and the clamping slide block is slidably connected to the inner position of the partition chute;

furthermore, the test mechanism comprises a test box, a dropper, a liquid injection hole and a dustproof plug, the cross section of the test box is in a trapezoidal structural design, the dropper is installed on the front end face of the test box, the liquid injection hole is formed in the center of the left end face of the test box, the dustproof plug is inserted into the liquid injection hole, and the test box is fixedly connected to the rear side of the bottom end face of the shell in an installation state;

furthermore, the sliding mechanism comprises a bottom sliding chute and side sliding chutes, the bottom sliding chute is arranged at the central position of the bottom end face of the shell, the side sliding chutes are arranged at two positions, and the two bottom sliding chutes are symmetrically arranged at the left side and the right side of the inner part of the bottom sliding chute;

furthermore, slide mechanism is still including slider, cable wire and closed spring, slider sliding connection is in the inside position of two side grooves, just the preceding terminal surface fixedly connected with closed spring of slider, the front end fixed connection of cable wire is in the rear end face position of slider, just the rear end winding of cable wire is on the outer peripheral face of pivot.

Compared with the prior art, the invention has the following beneficial effects:

in the invention, an operator needs to firstly penetrate the wrist sleeve fixedly connected with the right end surface of the detector when holding the shell, so that the wrist is kept at the inner position of the wrist sleeve when holding the shell, the design can effectively prevent the damage caused by the releasing of the detector when the user operates, after the sampling is finished, the sliding block can automatically move to the back side under the reverse elasticity of the closing spring by loosening the sliding block, and simultaneously, the steel cable is kept in a tight state under the normal state, so the sampling plate can carry the sample to quickly reset, thereby achieving the purpose of sending the sample into the testing mechanism, the design can effectively solve the problems of low working efficiency generated during the sampling and the sample failure caused by the long-time exposure of the sample in the air, on the other hand, as a plurality of partition plates are arranged, the comparison operation of a plurality of cuvettes can be simultaneously completed, the design can effectively improve the working efficiency and reduce the time waste caused by repeated comparison.

Drawings

FIG. 1 is a side view of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic bottom view of the present invention.

Fig. 4 is a schematic bottom side view of the present invention.

FIG. 5 is a schematic view of the detector of the present invention.

Fig. 6 is a schematic view of the construction of the insert box of the present invention.

Fig. 7 is a schematic view of the clamping mechanism of the present invention.

Fig. 8 is a schematic structural view of the sampling mechanism of the present invention.

FIG. 9 is a schematic diagram of the testing mechanism of the present invention.

Fig. 10 is an enlarged schematic view of the structure at a in fig. 4 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a detector; 101. a housing; 102. a spectrum liquid crystal screen; 103. a slot; 104. a wrist cover; 105. a spectrum adjusting knob; 2. inserting into a box; 201. a box body; 202. a handle; 203. a partition plate; 204. a partition chute; 3. a clamping mechanism; 301. a rubber soft plug; 302. a cuvette; 303. a clamping plate; 304. clamping the sliding block; 305. a return spring; 4. a sampling mechanism; 401. a sampling plate; 402. the anti-spill enclosure; 403. a rotating shaft; 5. a testing mechanism; 501. a test chamber; 502. a dropper; 503. a liquid injection hole; 504. a dust plug; 6. a sliding mechanism; 601. a bottom surface chute; 602. a side chute; 603. a slider; 604. a steel cord; 605. the spring is closed.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 10:

the invention provides a hand-held food detection instrument with multi-cuvette comparison, which comprises: the detector comprises an insertion box 2, a sampling mechanism 4 and a testing mechanism 5, wherein a clamping mechanism 3 is fixedly connected inside the insertion box 2, and the clamping mechanism 3 is inserted into the left side position inside the detector 1 through the insertion box 2; the testing mechanism 5 is fixedly connected to the rear side position of the bottom end face of the detector 1; the sampling mechanism 4 is coupled at a position right below the testing mechanism 5, and the sampling mechanism 4 is bolted with the sliding mechanism 6; sampling mechanism 4 is including sampling plate 401, anti-spill enclosure 402 and pivot 403, and sampling plate 401's top end face left side position fixed connection has trilateral anti-spill enclosure 402 of encircleing, and pivot 403 coupling is in the right side position of sampling plate 401 top end face, and sampling plate 401 is through pivot 403 coupling under test mechanism 5 position under the mounted state.

The detector 1 includes a casing 101, a spectrum liquid crystal panel 102 and a slot 103, the spectrum liquid crystal panel 102 is embedded in the rear side of the top end face of the casing 101, the slot 103 is arranged in the rear side of the left end face of the casing 101, and the slot 103 is located under the spectrum liquid crystal panel 102.

Wherein, detector 1 is still including wristband 104 and spectrum adjust knob 105, wristband 104 fixed connection is in the front side position of shell 101 right-hand member face, spectrum adjust knob 105 rotates the central point who connects at shell 101 top end face and puts, and spectrum adjust knob 105 and spectrum LCD screen 102 electric connection, the operator need pass detector 1 right-hand member face fixed connection's wristband 104 with the hand earlier, make the hand wrist keep the inside position at wristband 104 when gripping shell 101, the problem that the user caused the damage because of detector 1 takes off the hand can effectually be prevented in this design when the operation to appear.

Wherein, insert case 2 including the box 201, handle 202, partition plate 203 and subregion spout 204, the left end face central point of box 201 puts fixedly connected with handle 202, partition plate 203 is equipped with five altogether, and five punishment partition plate 203 are longitudinal array fixed connection in the inside position of box 201, and the same size's subregion spout 204 has all been seted up to the front and back both ends face on five punishment partition plate 203 right sides, the inside position of slot 103 is inserted to box 201 under the mounted state, and box 201 is located spectrum LCD screen 102 under the position, because partition plate 203 is provided with a plurality ofly, consequently, can accomplish the contrast operation to a plurality of cuvettes 302 simultaneously, this design can effectual improvement work efficiency, reduce the time waste that repeated contrast caused.

Wherein, clamping mechanism 3 is including the soft stopper of rubber 301, the cell 302, clamping plate 303, press from both sides tight slider 304 and reset spring 305, the inside grafting of left end opening part of cell 302 has the soft stopper of rubber 301, the symmetrical fixedly connected with of front and back both ends face of clamping plate 303 presss from both sides tight slider 304, and the right-hand member face fixedly connected with reset spring 305 of clamping plate 303, cell 302 is located the inboard position of subregion board 203 under the mounted state, and the soft stopper of rubber 301 fixed connection is in the inside left end face position of box 201, and clamping plate 303 passes through reset spring 305 elastic connection in the inside right-hand member face position of box 201, press from both sides tight slider 304 sliding connection in the inside position of subregion spout 204.

Wherein, test mechanism 5 is including test box 501, burette 502, notes liquid hole 503 and dustproof stopper 504, and the cross-section of test box 501 is the trapezoidal structure design, and test box 501 installs burette 502 in the preceding terminal surface, annotates liquid hole 503 and sets up the central point at test box 501 left end face and put, and annotate the inside grafting of liquid hole 503 and have dustproof stopper 504, and test box 501 fixed connection is in the rear side position of shell 101 bottom end face under the mounted state.

The sliding mechanism 6 includes a bottom sliding slot 601 and a side sliding slot 602, the bottom sliding slot 601 is disposed at the center of the bottom end face of the housing 101, the side sliding slot 602 has two positions, and the two bottom sliding slots 601 are symmetrically disposed at the left and right sides of the bottom sliding slot 601, so that the steel cable 604 is kept in a tight state in a normal state, and the sampling plate 401 can carry a sample to be rapidly reset, thereby achieving the purpose of sending the sample into the testing mechanism 5.

The sliding mechanism 6 further includes a sliding block 603, a steel cable 604 and a closing spring 605, the sliding block 603 is slidably connected to the inner positions of the two side sliding grooves 602, the closing spring 605 is fixedly connected to the front end surface of the sliding block 603, the front end of the steel cable 604 is fixedly connected to the rear end surface of the sliding block 603, and the rear end of the steel cable 604 is wound on the outer peripheral surface of the rotating shaft 403.

When in use: an operator needs to firstly pass a hand through the wrist sleeve 104 fixedly connected with the right end face of the detector 1, so that the wrist is kept at the inner position of the wrist sleeve 104 when the hand holds the shell 101, and the design can effectively prevent the problem that the user is damaged due to the fact that the detector 1 is out of hand during operation;

when food to be detected needs to be sampled, in order to ensure the purity of the object to be detected, the steel cable 604 can be driven by the manual sliding slide block 603 to rotate towards the front side so as to drive the wound rotating shaft 403 to rotate anticlockwise, so as to achieve the purpose of separating the sampling plate 401 from the testing mechanism 5 in the sampling mechanism 4, after the sampling plate 401 is separated from the testing mechanism 5, a sample to be detected can be shoveled into the inner position of the anti-spillage enclosure 402 through the sampling plate 401 by the manual operation detector 1, the design can effectively prevent the sample from falling off and causing the situation of incapability of detection when the sample is shoveled onto the sampling plate 401, after the sampling is finished, the slide block 603 can be loosened, at the moment, the slide block 603 can automatically move towards the rear side under the reverse elastic force action of the closing spring 605, and meanwhile, the steel cable 604 is kept in a tight state under a normal state, so that the sampling plate 401 can carry the sample to be quickly reset, the purpose of sending the sample into the testing mechanism 5 is achieved, and the design can effectively solve the problems of low working efficiency generated during sampling and sample failure caused by long-time exposure of the sample in the air;

on the other hand, after the sample is collected, the dust plug 504 can be firstly pulled out from the interior of the liquid injection hole 503, then distilled water is injected into the interior of the liquid injection hole 503 and the sample is mixed, the whole device can be rotated and overturned counterclockwise to the left after the mixing is finished, at this time, the cuvette 302 is taken out to collect the liquid dripped from the interior of the dropper 502, after the collection is finished, the open end of the cuvette 302 is firstly inserted into the rubber soft plug 301 for sealing, the clamping plate 303 is pushed to the right after the sealing is finished, the clamping plate 303 can be loosened until the cuvette 302 can be completely inserted into the inner side of the partition plate 203, at this time, the clamping plate 303 can finish the fixing operation of the cuvette 302 under the reverse elasticity of the reset spring 305, and because the partition plate 203 is provided with a plurality of the cuvette 302, the design can effectively improve the working efficiency, time waste caused by repeated comparison is reduced;

finally, the box 201 is inserted into the slot 103 for fixing, and after the fixing is completed, the detection data of the sample can be read through the spectrum liquid crystal screen 102 by manually rotating the spectrum adjusting knob 105.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a food detection instrument of many cuvettes of hand-held type contrast which characterized in that: the device comprises an insertion box (2), a sampling mechanism (4) and a testing mechanism (5), wherein a clamping mechanism (3) is fixedly connected inside the insertion box (2), and the clamping mechanism (3) is inserted into the left side position inside the detector (1) through the insertion box (2); the testing mechanism (5) is fixedly connected to the rear side position of the bottom end face of the detector (1); the sampling mechanism (4) is coupled at a position right below the testing mechanism (5), and the sampling mechanism (4) is bolted with the sliding mechanism (6); sampling mechanism (4) enclose fender (402) and pivot (403) including sampling plate (401), anti-spilling, the anti-spilling that the top end face left side position fixed connection of sampling plate (401) has trilateral encircleing encloses fender (402), pivot (403) coupling is in the right side position of sampling plate (401) top end face, under the mounted state sampling plate (401) are through pivot (403) coupling under test mechanism (5) position.

2. The hand-held multi-cuvette contrasting food testing instrument according to claim 1, wherein: the detector (1) comprises a shell (101), a spectrum liquid crystal screen (102) and a slot (103), wherein the spectrum liquid crystal screen (102) is embedded in the rear side position of the top end face of the shell (101), the slot (103) is arranged in the rear side position of the left end face of the shell (101), and the slot (103) is located under the spectrum liquid crystal screen (102).

3. The hand-held multi-cuvette contrasting food testing instrument according to claim 2, wherein: the detector (1) further comprises a wrist sleeve (104) and a spectrum adjusting knob (105), wherein the wrist sleeve (104) is fixedly connected to the front side of the right end face of the shell (101), the spectrum adjusting knob (105) is rotatably connected to the center of the top end face of the shell (101), and the spectrum adjusting knob (105) is electrically connected with the spectrum liquid crystal screen (102).

4. The hand-held multi-cuvette contrasting food testing instrument according to claim 1, wherein: the inserting box (2) comprises a box body (201), a handle (202), partition plates (203) and partition sliding grooves (204), the handle (202) is fixedly connected to the center of the left end face of the box body (201), the partition plates (203) are provided with five positions, the five partition plates (203) are fixedly connected to the inner position of the box body (201) in a longitudinal array mode, the partition sliding grooves (204) with the same size are formed in the front end face and the rear end face of the right side of the five partition plates (203), the box body (201) is inserted into the inner position of the inserting groove (103) in the installation state, and the box body (201) is located right below the spectrum liquid crystal screen (102).

5. The hand-held multi-cuvette contrasting food testing instrument according to claim 1, wherein: clamping mechanism (3) is including rubber soft stopper (301), cell (302), clamping plate (303), clamp slider (304) and reset spring (305), the inside grafting of left end opening part of cell (302) has rubber soft stopper (301), the front and back both ends face symmetry fixedly connected with of clamping plate (303) presss from both sides tight slider (304), just right-hand member face fixedly connected with reset spring (305) of clamping plate (303), under the mounted state cell (302) are located the inboard position of subregion board (203), just rubber soft stopper (301) fixed connection is in the inside left end face position of box (201), and clamping plate (303) pass through reset spring (305) elastic connection in the inside right-hand member face position of box (201), press from both sides tight slider (304) sliding connection in the inside position of subregion spout (204).

6. The hand-held multi-cuvette contrasting food testing instrument according to claim 1, wherein: the testing mechanism (5) comprises a testing box (501), a dropper (502), a liquid injection hole (503) and a dustproof plug (504), the cross section of the testing box (501) is designed to be a trapezoid structure, the dropper (502) is installed on the front end face of the testing box (501), the liquid injection hole (503) is arranged at the center of the left end face of the testing box (501), the dustproof plug (504) is inserted into the liquid injection hole (503), and the testing box (501) is fixedly connected to the rear side of the bottom end face of the shell (101) in the installation state.

7. The hand-held multi-cuvette contrasting food testing instrument according to claim 1, wherein: the sliding mechanism (6) comprises a bottom surface sliding groove (601) and side sliding grooves (602), wherein the bottom surface sliding groove (601) is formed in the center of the bottom end face of the shell (101), the side sliding grooves (602) are formed in two positions, and the two bottom surface sliding grooves (601) are symmetrically formed in the left side and the right side of the inner portion of the bottom surface sliding groove (601).

8. The hand-held multi-cuvette contrasting food testing instrument according to claim 7, wherein: the sliding mechanism (6) further comprises a sliding block (603), a steel cable (604) and a closing spring (605), the sliding block (603) is connected to the inner positions of the sliding grooves (602) on the two sides in a sliding mode, the closing spring (605) is fixedly connected to the front end face of the sliding block (603), the front end of the steel cable (604) is fixedly connected to the rear end face of the sliding block (603), and the rear end of the steel cable (604) is wound on the outer peripheral face of the rotating shaft (403).