阅读说明：本技术 一种蔬菜重金属检测装置 (Vegetables heavy metal detection device ) 是由 李奎 李海洋 于 2021-05-20 设计创作，主要内容包括：本发明涉及蔬菜安全检测领域,特别涉及一种蔬菜重金属检测装置,包括检测装置主体,所述检测装置主体的上端靠近前端处开设有第一开口,所述第一开口的内部活动连接有滑盖,所述第一开口的内部滑盖的下方设置有反应皿,所述检测装置主体的上端靠近后端处设置有记录板,所述检测装置主体上端记录板的前侧出开设有第三开口,所述检测装置主体的两端开设有第二开口,所述第二开口的内部活动连接有伸缩装置,所述伸缩装置包括丝杆,所述丝杆的表面第二开口的内部活动连接有滑块,所述丝杆的一端连接有手轮,所述滑块的一端连接有连接板。本发明所述的一种蔬菜重金属检测装置,可以储存检测试剂,便于拿取使用,且可以同时测试多个检测样本。(The invention relates to the field of vegetable safety detection, in particular to a vegetable heavy metal detection device which comprises a detection device main body, wherein a first opening is formed in the upper end of the detection device main body, the position, close to the front end, of the upper end of the detection device main body, a sliding cover is movably connected inside the first opening, a reaction vessel is arranged below the sliding cover inside the first opening, a recording plate is arranged at the upper end of the detection device main body, the position, close to the rear end, of the upper end of the detection device main body, a third opening is formed in the front side of the recording plate, second openings are formed in the two ends of the detection device main body, a telescopic device is movably connected inside the second opening and comprises a screw rod, a sliding block is movably connected inside the second opening in the surface of the screw rod, one end of the screw rod is connected with a hand wheel, and one end of the sliding block is connected with a connecting plate. The vegetable heavy metal detection device provided by the invention can store detection reagents, is convenient to take and use, and can be used for simultaneously testing a plurality of detection samples.)

1. The utility model provides a vegetables heavy metal detection device, includes detection device main part (1), its characterized in that: the utility model discloses a detection device, including detection device body (1), front end department has seted up first opening (4) near the upper end of detection device body (1), the inside swing joint of first opening (4) has sliding closure (3), the below of the inside sliding closure (3) of first opening (4) is provided with reaction dish (5), the upper end of detection device body (1) is close to rear end department and is provided with recording plate (8), the front side of detection device body (1) upper end recording plate (8) is seted up third opening (9), second opening (6) have been seted up at the both ends of detection device body (1), the inside swing joint of second opening (6) has telescoping device (7).

2. The vegetable heavy metal detection device of claim 1, wherein: telescoping device (7) include lead screw (71), the inside swing joint of the surperficial second opening (6) of lead screw (71) has slider (72), the upper end of lead screw (71) is connected with hand wheel (73), the one end of slider (72) is connected with connecting plate (74), the upper portion one end of connecting plate (74) is connected with fixed block (75), the one end of fixed block (75) is connected with receiver (76), hold up tank (77) have been seted up to the inside of receiver (76).

3. The vegetable heavy metal detection device of claim 1, wherein: the outer surface of the sliding block (72) is in sliding connection with the inner wall of the second opening (6), the screw rod (71) and the hand wheel (73) are fixedly connected, and a thread structure is arranged inside the sliding block (72).

4. The vegetable heavy metal detection device of claim 1, wherein: one end of the connecting plate (74) is fixedly connected with one end of the sliding block (72), and the upper end of the connecting plate (74) is fixedly connected with the lower end of the fixing block (75).

5. The vegetable heavy metal detection device of claim 1, wherein: the lower end of the screw rod (71) is connected with a short shaft, and the short shaft at the lower end of the screw rod (71) is rotatably connected with the interior of the detection device main body (1).

6. The vegetable heavy metal detection device of claim 1, wherein: the size looks adaptation of fixed block (75), receiver (76), third opening (9), be sliding connection between the surface of receiver (76), fixed block (75) and the inner wall of third opening (9).

7. The vegetable heavy metal detection device of claim 1, wherein: the two ends of the storage box (76) are fixedly connected with the fixing blocks (75).

8. The vegetable heavy metal detection device of claim 1, wherein: the upper end of the sliding cover (3) is connected with a protruding edge (2), three groups of protruding edges (2), the sliding cover (3), the first opening (4) and the reaction vessel (5) are arranged, and three groups of storage tanks (77) are arranged.

9. The vegetable heavy metal detection device of claim 1, wherein: a first threaded pipe (12) is arranged in the telescopic device (7), a first nut (13) is connected with the outer surface of the first threaded pipe (12) in a threaded manner, the first nut (13) is in threaded connection with the inner surface of a second threaded pipe (14), the outer surface of the second threaded pipe (14) is in threaded connection with a second nut (15), the second nut (15) is in threaded connection with the inner surface of a third threaded pipe (16), the outer surface of the third threaded pipe (16) is connected with a third nut (17) in a threaded manner, the third threaded pipe (16) is fixedly connected with a second hand wheel (18) and the first threaded pipe (12), the second threaded pipe (14) and the third threaded pipe (16) are tubular structures, the lead of each threaded pipe is different, the lead of each threaded pipe gradually decreases from the first threaded pipe (12) to the third threaded pipe (16), the first nut (13), the second nut (15) and the third nut (17) are all formed by welding multiple layers of steel sheets.

10. The vegetable heavy metal detection device of claim 1, wherein: first dead lever (11), second dead lever (13) and third dead lever (15) are equipped with respectively on first nut (13), second nut (15) and third nut (17), first dead lever (11), second dead lever (20) and third dead lever (22) other end respectively with first receiver (10), second receiver (19) and third receiver (21) fixed connection.

Technical Field

The invention relates to the field of vegetable safety detection, in particular to a vegetable heavy metal detection device.

Background

The vegetable heavy metal detection device is a device capable of detecting the concentration of heavy metals in vegetables, after vegetables are made into detection samples, all forms of heavy metals (including arsenic, lead, cadmium, chromium, mercury, nickel, iron, aluminum, zinc, manganese, copper and the like) are converted into ion forms, relevant detection reagents are added to the ion forms for color development, the depth of the solution color and the content of the heavy metals are in a proportional relation in a certain concentration range, the Lambert-beer law is obeyed, the content value is obtained through measurement by an instrument, and the content value is compared with the standard of the national standard agricultural product safety quality nuisance-free vegetable safety requirement allowed limit to judge the heavy metal content of the vegetable samples; the existing detection device has some defects, cannot store detection reagents, is not easy to take and use, and in addition, cannot test a plurality of samples simultaneously.

Disclosure of Invention

The invention mainly aims to provide a vegetable heavy metal detection device which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

a vegetable heavy metal detection device comprises a detection device main body, wherein a first opening is formed in the upper end of the detection device main body close to the front end, a sliding cover is movably connected inside the first opening, a reaction vessel is arranged below the sliding cover inside the first opening, a recording plate is arranged at the upper end of the detection device main body close to the rear end, a third opening is formed in the front side of the recording plate at the upper end of the detection device main body, a second opening is formed in the two ends of the detection device main body, a telescopic device is movably connected inside the second opening and comprises a lead screw, a sliding block is movably connected inside the second opening on the surface of the lead screw, a first hand wheel is connected to the upper end of the lead screw, a connecting plate is connected to one end of the sliding block, a fixed block is connected to one end of the upper portion of the connecting plate, and a storage box is connected to one end of the fixed block, the storage tank is arranged in the storage box.

Preferably, sliding connection is adopted between the outer surface of the sliding block and the inner wall of the second opening, fixed connection is adopted between the screw rod and the first hand wheel, and a thread structure is arranged inside the sliding block.

Preferably, one end of the connecting plate is fixedly connected with one end of the sliding block, and the upper end of the connecting plate is fixedly connected with the lower end of the fixing block.

Preferably, the lower end of the screw rod is connected with a short shaft, and the short shaft at the lower end of the screw rod is rotatably connected with the inside of the detection device main body.

Preferably, fixed block, receiver, third open-ended size looks adaptation, be sliding connection between the surface of receiver, fixed block and the inner wall of third open-ended.

Preferably, both ends of the storage box are fixedly connected with the fixing blocks.

Preferably, the upper end of the sliding cover is connected with a ridge, and three groups of the ridge, the sliding cover, the first opening and the reaction vessel are arranged.

Preferably, the storage tanks are provided in three groups.

Preferably, first screwed pipe surface threaded connection has first nut, first nut and second screwed pipe internal surface threaded connection, second screwed pipe surface threaded connection has the second nut, second nut and third screwed pipe internal surface threaded connection, third screwed pipe surface threaded connection has the third nut, and third screwed pipe fixedly connected with second hand wheel first screwed pipe, second screwed pipe and third screwed pipe are the tubular structure, and the helical pitch is different between every screwed pipe, reduces gradually from first screwed pipe to the helical pitch between the third screwed pipe, first nut, second nut and third nut all are formed by multilayer steel sheet 23 welding.

Preferably, first dead lever, second dead lever and third dead lever are equipped with respectively on first nut, the second nut and the third nut, the first dead lever, the second dead lever and the third dead lever other end respectively with first receiver, second receiver and third receiver fixed connection.

Compared with the prior art, the invention has the following beneficial effects: the vegetable heavy metal detection device is characterized in that a test sample is placed in a reaction vessel, the surface of a first hand wheel is held and rotated, a screw rod rotates along with the screw rod, meanwhile, a sliding block slides up and down on the surface of the screw rod, so that the height of the sliding block is changed, the fixed block and the sliding block are fixedly connected through a connecting plate, therefore, the height of the fixed block is changed along with the change of the height of the sliding block when the height of the sliding block is changed, and finally, the height of a storage box is changed because the fixed block is fixed on the surface of one end of the storage box, so that the storage box can be lifted from the inside of a third opening, when the lower end of the storage box is level with the upper end of a detection device main body, the first hand wheel stops rotating, a detection reagent is taken out from the inside of a storage groove, the purpose of taking out the detection reagent stored in the third opening is achieved, convenience and safety are achieved, and the reagent is dripped on the sample in the reaction vessel, the sliding cover is driven to slide in the first opening by pulling the convex edges, the first opening can be closed, a closed space is provided for detection, after the detection is finished, the detection condition is manually written through the recording plate, the recording is convenient, in addition, the test of a plurality of groups of samples can be simultaneously carried out by arranging three groups of reaction vessels, the test efficiency is high, and the using effect is better compared with that of the traditional mode; the second hand wheel is held to rotate, the third nut moves under the driving of the outer surface threads of the third threaded pipe, the third nut drives the third storage box to move up and down through the third fixing rod, meanwhile, the inner surface threads of the third threaded pipe drive the second nut to move, the second nut drives the second storage box to move up and down through the second fixing rod, meanwhile, the inner surface threads of the second threaded pipe drive the first nut to move, the first nut drives the first storage box to move up and down through the first fixing rod, the first storage box, the second storage box and the third storage box can ascend or descend at different heights by setting different lead lengths among different threaded pipes, different storage boxes can be conveniently adjusted by setting multiple layers of threaded pipes, more reagents can be conveniently stored, and the storage boxes can be controlled to ascend and descend only by screwing the second hand wheel by a user; through setting up first nut, the second nut, the structure of third nut forms for the welding of multilayer steel sheet 23, lays one deck graphite between the adjacent steel sheet 23, and its purpose is in order to reduce the wearing and tearing of the unilateral atress when the screwed pipe drives the receiver, and graphite is more difficult to receive stained in other lubricators.

Drawings

FIG. 1 is a schematic view of the overall structure of a vegetable heavy metal detection device according to the present invention;

FIG. 2 is an enlarged schematic view of a heavy metal detection device A for vegetables according to the present invention;

FIG. 3 is a schematic structural view of a telescopic device of the vegetable heavy metal detection device of the present invention;

FIG. 4 is a schematic structural diagram of a recording plate and a third opening of the vegetable heavy metal detection device according to the present invention;

FIG. 5 is a schematic structural diagram of a novel threaded pipe of the vegetable heavy metal detection device according to the present invention;

FIG. 6 is a schematic structural diagram of a steel sheet of the vegetable heavy metal detection device.

In the figure: 1. a detection device main body; 2. a ridge is protruded; 3. a sliding cover; 4. a first opening; 5. a reaction vessel; 6. a second opening; 7. a telescoping device; 71. a screw rod; 72. a slider; 73. a first hand wheel; 74. a connecting plate; 75. a fixed block; 76. a storage box; 77. a storage tank; 8. a recording plate; 9. a third opening; 10. a first storage box; 11. a first fixing lever; 12. a first threaded pipe; 13. a first nut; 14. a second threaded pipe; 15. a second nut; 16. a third threaded pipe; 17. a third nut; 18. a second hand wheel; 19. a second storage box; 20. a second fixing bar; 21. a third storage box; 22. a third fixing bar; 23. a steel sheet.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, a heavy metal detection device for vegetables comprises a detection device body 1, a first opening 4 is arranged at the upper end of the detection device body 1 near the front end, a sliding cover 3 is movably connected inside the first opening 4, a reaction vessel 5 is arranged below the sliding cover 3 inside the first opening 4, a recording plate 8 is arranged at the upper end of the detection device body 1 near the rear end, a third opening 9 is arranged at the front side of the recording plate 8 at the upper end of the detection device body 1, second openings 6 are arranged at both ends of the detection device body 1, a telescopic device 7 is movably connected inside the second opening 6, the telescopic device 7 comprises a screw rod 71, a sliding block 72 is movably connected inside the second opening 6 on the surface of the screw rod 71, a first hand wheel 73 is connected at the upper end of the screw rod 71, a connecting plate 74 is connected at one end of the sliding block 72, a fixed block 75 is connected at one end of the upper portion of the connecting plate 74, one end of the fixing block 75 is connected with a storage box 76, and a storage groove 77 is formed inside the storage box 76.

In this embodiment, the outer surface of the slider 72 is slidably connected to the inner wall of the second opening 6, the lead screw 71 and the first hand wheel 73 are fixedly connected to each other, and a threaded structure is disposed inside the slider 72.

The lower end of the screw rod 71 is connected with a short shaft, and the short shaft at the lower end of the screw rod 71 is rotatably connected with the inside of the detection device body 1.

Specifically, the first hand wheel 73 is rotated to rotate the lead screw 71 inside the detection device body 1, and the slider 72 is moved up and down on the surface of the lead screw 71, so that the height of the slider 72 can be changed by controlling the first hand wheel 73.

In this embodiment, one end of the connecting plate 74 is fixedly connected to one end of the slider 72, and the upper end of the connecting plate 74 is fixedly connected to the lower end of the fixing block 75.

The two ends of the storage box 76 are fixedly connected with the fixing blocks 75.

Specifically, the sliding block 72 and the fixing block 75 can be connected through the connecting plate 74, the sliding block 72 can move while driving the fixing block 75 to move, and the fixing block 75 and the storage box 76 are fixedly connected, so that the storage box 76 can be driven to move.

In this embodiment, the fixing block 75, the accommodating case 76, and the third opening 9 are adapted in size, and the outer surfaces of the accommodating case 76 and the fixing block 75 and the inner wall of the third opening 9 are slidably connected.

The reserve tank 77 is provided with three sets.

Specifically, the fixing block 75 and the storage box 76 move up and down in the third opening 9, so that the detection reagents can be conveniently stored and used, and in addition, the number of the detection reagents can be increased by arranging the three groups of storage tanks 77.

In this embodiment, the upper end of the sliding cover 3 is connected with the ridge 2, and three sets of the ridge 2, the sliding cover 3, the first opening 4 and the reaction vessel 5 are provided.

Specifically, the pulling ridge 2 drives the sliding cover 3 to slide in the first opening 4, so that the first opening 4 can be closed, a closed space is provided for detection, and a plurality of groups of samples can be simultaneously detected through the three groups of reaction vessels 5.

In this embodiment, the telescopic device 7 has a first threaded pipe 12, a first nut 13 is connected to an outer surface of the first threaded pipe 12 through a thread, the first nut 13 is connected to an inner surface of a second threaded pipe 14 through a thread, a second nut 15 is connected to an outer surface of the second threaded pipe 14 through a thread, the second nut 15 is connected to an inner surface of a third threaded pipe 16 through a thread, a third nut 17 is connected to an outer surface of the third threaded pipe 16 through a thread, a second hand wheel 18 is fixedly connected to the third threaded pipe 16, the first threaded pipe 12, the second threaded pipe 14 and the third threaded pipe 16 are tubular structures, the lead of each threaded pipe is different, the lead of each threaded pipe is gradually reduced from the first threaded pipe 12 to the third threaded pipe 16, the first nut 13, the second nut 15 and the third nut 17 are all formed by welding multiple layers 23, a layer of graphite steel sheet is laid between adjacent layers 23, its purpose is in order to reduce the wearing and tearing of unilateral atress when the screwed pipe drives the receiver, and graphite is more difficult to receive stained compared in other lubricated thing, screwed pipe and nut all set up to the single thread screw.

Specifically, first dead lever 11, second dead lever 13 and third dead lever 15 are equipped with respectively on first nut 13, second nut 15 and the third nut 17, first dead lever 11, the second dead lever 20 and the third dead lever 22 other end respectively with first receiver 10, second receiver 19 and third receiver 21 fixed connection, through setting up the multilayer screwed pipe, can conveniently adjust different receivers, be convenient for store more reagent.

It should be noted that, the present invention is a vegetable heavy metal detection device, a user puts a test sample into the reaction cuvette 5, holds the surface of the first handwheel 73 and rotates, the screw rod 71 rotates along with the rotation, at the same time, the slider 72 slides up and down on the surface of the screw rod 71, so that the height of the slider 72 changes, because the fixed block 75 and the slider 72 are fixedly connected through the connecting plate 74, the height of the fixed block 75 changes along with the change of the height of the slider 72, and because the fixed block 75 is fixed on the surface of one end of the storage box 76, the height of the storage box 76 changes finally, so that the storage box 76 is lifted from the inside of the third opening 9, when the lower end of the storage box 76 is flush with the upper end of the detection device body 1, the rotation of the first handwheel 73 is stopped, the detection reagent is taken out from the inside of the storage groove 77, thereby achieving the purpose of taking out the detection reagent stored in the third opening 9, drop reagent on the inside sample of reaction vessel 5, drive sliding closure 3 through pulling abrupt arris 2 and slide in the inside of first opening 4, close first opening 4, provide airtight space for detecting, after the detection, through the manual condition of writing the detection of recording plate 8.

It should be noted that, in the second embodiment of the vegetable heavy metal detection device of the present invention, a user only needs to hold the second hand wheel 18 to rotate, the third nut 17 moves under the driving of the outer surface thread of the third threaded pipe 16, the third nut 17 drives the third storage box 21 to move up and down through the third fixing rod 22, the inner surface thread of the third threaded pipe 16 drives the second nut 15 to move, the second nut 15 drives the second storage box 19 to move up and down through the second fixing rod 20, the inner surface thread of the second threaded pipe 14 drives the first nut 13 to move, the first nut 13 drives the first storage box 10 to move up and down through the first fixing rod 11, the first storage box 10, the second storage box 19 and the third storage box 21 can be raised or lowered at different heights by setting different lead lengths between different threaded pipes and gradually decreasing the lead length from the first threaded pipe 12 to the third threaded pipe 16, by arranging the multiple layers of threaded pipes, different storage boxes can be conveniently adjusted, more reagents can be conveniently stored, and a user can control the storage boxes to ascend and descend only by screwing the second hand wheel 18; through setting up first nut 13, second nut 15, the structure of third nut 17 forms for the welding of multilayer steel sheet 23, lays one deck graphite between the adjacent steel sheet 23, and its purpose is in order to reduce the wearing and tearing of the unilateral atress when the screwed pipe drives the receiver, and graphite is more difficult to receive stained and screwed pipe and nut all sets up to single thread in comparison in other lubricated thing, and the person of facilitating the use saves strength when using.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.