Equipment for detecting content of heavy metals in rice
By optimizing the sealing structure and reagent bottle removal method, the existing rice heavy metal detection device has solved the problems of complex operation and insufficient sealing properties, and the convenience and accuracy of rice heavy metal detection are achieved.
Patent Information
- Application Number
- CN202420453632.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-07
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-03-07
AI Technical Summary
The existing rice heavy metal detection device has complex sealing structure, troublesome operation, insufficient sealing, and inconvenient reagent bottle removal, making it difficult to meet the food safety testing needs.
A limit structure including a sealing cover plate, a sealing ring, a sealing groove, a slider, a slider, a convex edge, a limiting slider, a limiting slider, a support support, a spring, a drive cavity, a guide rod, and a movement are designed. The positioning rebound structure of blocks, guide grooves and positioning grooves optimizes the sealing structure and reagent bottle removal method to improve sealing and operation convenience.
It has achieved simplified operation, improved the sealing of the sealing cover plate and the convenient removal of the reagent bottle, ensuring the accuracy and safety of rice heavy metal detection.
Smart Images

Figure CN222299594U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heavy metal detection in rice, in particular to a device for detecting the content of heavy metals in rice. Background Art
[0002] Rice is one of the important food crops for mankind. During the rice planting process, due to environmental pollution and the use of chemical fertilizers and pesticides, rice is prone to excessive heavy metals. Excessive heavy metal content in rice will not only reduce the nutritional value of rice, but also cause harm to human health. Therefore, the use of heavy metal detection equipment can promptly detect and eliminate rice contaminated by heavy metals, thereby ensuring food safety from the source.
[0003] The Chinese patent with the publication number CN214622573U discloses a heavy metal detection device in rice, comprising a heavy metal detector body, a sealing plate is provided on the heavy metal detector body, a sealing device is provided on the top of the sealing plate; the sealing device comprises a dustproof plate, a mounting seat is symmetrically provided on the heavy metal detector body, a first slide groove is provided on the mounting seat, a first slider is slidably connected in the inner cavity of the first slide groove, one side of the first slider is provided with one side of the dustproof plate, a positioning device is provided in the inner cavity of the first slide groove; the positioning device comprises a limit rod, a card bead is provided at one end of the limit rod, and a card groove is provided on one side of the first slider.
[0004] Although the above-mentioned heavy metal detection device utilizes the cooperation of a sealing device, a positioning device, a mounting seat, a first slide groove, a first slider, a dustproof plate, a limiting rod, a card bead and a card groove to improve the flexibility of the movement of the dustproof plate and the stability of the position limitation, and avoid the presence of external dust in the detection environment of the reagent, but in actual operation, it is necessary to rotate the sealing plate and move the dustproof plate, which is more troublesome to operate, and the moving structure of the dustproof plate is complicated, and subsequent maintenance is inconvenient, and the dustproof plate only limits one end of the sealing plate, and the other end of the sealing plate has poor sealing performance and is easy to get dust in, and the reagent is embedded in the sample placement slot, which makes it very inconvenient to take it out later, so it is urgently needed to be improved. Utility Model Content
[0005] The purpose of the utility model is to provide a device for detecting the heavy metal content in rice to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for detecting the heavy metal content in rice, comprising a device body, a display screen, a detection slot, a limiting structure and a positioning rebound structure, wherein the display screen is mounted on the surface of the device body, the detection slots are all arranged inside the device body, a sealing groove is arranged on the surface of the device body outside the detection slot, the sealing cover plate is rotatably mounted on the surface of the device body at the position of the detection slot, and a sealing ring is adhered to the inner surface of the sealing cover plate, the sealing ring and the sealing groove cooperate with each other, the limiting structures are all arranged on the surface of the device body on one side of the detection slot, the limiting structure comprises a slide seat and a slide plate, the slide seats are all fixed on the surface of the device body on one side of the detection slot, the slide plate is arranged inside the slide seat, the positioning rebound structure is arranged below the detection slot, the positioning rebound structure comprises a driving chamber and a guide rod, the driving chamber is arranged inside the device body below the detection slot, the driving chamber is connected to the detection slot, and the guide rod is movably mounted on one side of the bottom of the driving chamber.
[0007] Preferably, a printing port is provided on the surface of the device body on one side of the display screen to facilitate printing of receipts.
[0008] Preferably, a support bracket is provided at the bottom of the detection tank, and the bottom end of the support bracket extends to the inside of the driving cavity to facilitate supporting the reagent bottle.
[0009] Preferably, the limiting structure further comprises convex ridges, limiting sliding grooves and limiting sliding blocks, and the convex ridges are all arranged on the surface of the slide board, thereby increasing the surface friction of the slide board.
[0010] Preferably, the limiting slide grooves are both arranged on the two inner walls of the slide seat, the limiting slider is arranged on the side wall of the slide plate at the position of the limiting slide grooves, and the limiting slider cooperates with the limiting slide grooves for sliding connection between the slide plate and the slide seat.
[0011] Preferably, the positioning rebound structure further includes a movable block, a guide groove, and a positioning groove. The movable block is installed on one side of the bottom of the support bracket, and the guide groove is arranged on the surface of the movable block to facilitate guiding the guide rod.
[0012] Preferably, the positioning groove is arranged at the top of the guide groove to facilitate positioning of the guide rod.
[0013] Preferably, a spring is mounted on the outer wall of the bottom of the support bracket, the top end of the spring is fixedly connected to the inner wall of the top of the driving cavity, and the bottom end of the spring is fixedly connected to the outer wall of the support bracket, providing elastic supporting force for the support bracket.
[0014] Compared with the prior art, the utility model has the following beneficial effects: the heavy metal content detection device in rice not only optimizes the sealing structure, is simple and quick to operate, improves the sealing performance of the sealing cover plate, but also improves the convenience of taking the reagent bottle;
[0015] (1) The sealing cover plate, the sealing ring, the sealing groove, the sliding seat, the sliding plate, the convex ridge, the limiting sliding groove, and the limiting sliding block are provided. The sealing cover plate is turned over to cover the detection groove. The sealing ring is inserted into the sealing groove to seal the gap between the sealing cover plate and the detection groove. Then the sliding plate is pushed horizontally to move it out from the inside of the sliding seat. The sliding plate drives the limiting sliding block to slide along the limiting sliding groove. The sliding plate moves to the surface of the sealing cover plate and presses the sealing cover plate tightly. The sliding plate can apply pressure to both ends of the sealing cover plate at the same time, thereby optimizing the sealing structure. The operation is not only simple and quick, but also improves the sealing performance of the sealing cover plate.
[0016] (2) By providing a support bracket, a spring, a driving chamber, a guide rod, a movable block, a guide groove, and a positioning groove, the reagent bottle is placed in the detection groove inside the equipment body and pressed down, so that the reagent bottle drives the support bracket to move downward, the spring is stretched, and the support bracket drives the movable block to move downward synchronously, so that the guide rod slides along the guide groove on the surface of the movable block and stays in the positioning groove, and the support bracket is locked. After the detection is completed, the reagent bottle is pressed down so that the guide rod moves out of the positioning groove and returns to its original position under the rebound action of the spring, and the support bracket pushes the reagent bottle to make it pop up, thereby improving the convenience of taking the reagent bottle. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the top view structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the sealing cover plate of the utility model in a closed state;
[0019] Figure 3 It is a cross-sectional enlarged structural schematic diagram of the limiting structure of the utility model;
[0020] Figure 4 This is a schematic diagram of the front view and enlarged structure of the detection tank of the utility model;
[0021] Figure 5 It is an enlarged structural schematic diagram of the positioning rebound structure of the utility model.
[0022] In the figure: 1. Equipment body; 2. Display screen; 3. Detection slot; 4. Sealing slot; 5. Sealing cover; 6. Sealing ring; 7. Limiting structure; 701. Sliding seat; 702. Slide plate; 703. Raised ridge; 704. Limiting slide slot; 705. Limiting slider; 8. Print port; 9. Positioning rebound structure; 901. Drive cavity; 902. Guide rod; 903. Movable block; 904. Guide slot; 905. Positioning slot; 10. Support bracket; 11. Spring. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. All other embodiments obtained by ordinary technicians in the field without creative work based on the embodiments of the utility model shall fall within the scope of protection of the utility model.
[0024] See also Figure 1-5 The utility model provides an embodiment: a device for detecting heavy metal content in rice, comprising a device body 1, a display screen 2, a detection slot 3, a limit structure 7 and a positioning rebound structure 9, the display screen 2 is mounted on the surface of the device body 1, the detection slots 3 are all arranged inside the device body 1, a sealing slot 4 is arranged on the surface of the device body 1 outside the detection slot 3, a sealing cover plate 5 is rotatably mounted on the surface of the device body 1 at the position of the detection slot 3, and a sealing ring 6 is adhered to the inner surface of the sealing cover plate 5, and the sealing ring 6 cooperates with the sealing slot 4;
[0025] The limiting structures 7 are all arranged on the surface of the device body 1 on one side of the detection slot 3. The limiting structures 7 include a slide seat 701 and a slide plate 702. The slide seats 701 are all fixed on the surface of the device body 1 on one side of the detection slot 3, and the slide plate 702 is arranged inside the slide seat 701.
[0026] The positioning rebound structure 9 is arranged below the detection slot 3, and the positioning rebound structure 9 includes a driving chamber 901 and a guide rod 902. The driving chamber 901 is arranged inside the device body 1 below the detection slot 3, the driving chamber 901 is connected to the detection slot 3, and the guide rod 902 is movably installed on one side of the bottom of the driving chamber 901;
[0027] A printing port 8 is provided on the surface of the device body 1 on one side of the display screen 2 for printing receipts;
[0028] A support bracket 10 is provided at the bottom of the detection tank 3, and the bottom end of the support bracket 10 extends to the inside of the driving cavity 901 to facilitate supporting the reagent bottle;
[0029] The limiting structure 7 further includes a convex ridge 703, a limiting slide groove 704, and a limiting slide block 705. The convex ridge 703 is arranged on the surface of the slide plate 702, thereby increasing the surface friction of the slide plate 702.
[0030] The limiting slide grooves 704 are both arranged on the two inner walls of the slide seat 701, and the limiting slider 705 is arranged on the side wall of the slide plate 702 at the position of the limiting slide grooves 704. The limiting slider 705 cooperates with the limiting slide grooves 704 to be used for the sliding connection between the slide plate 702 and the slide seat 701;
[0031] The positioning rebound structure 9 also includes a movable block 903, a guide groove 904, and a positioning groove 905. The movable block 903 is installed on one side of the bottom of the support bracket 10, and the guide groove 904 is arranged on the surface of the movable block 903 to facilitate guiding the guide rod 902.
[0032] The positioning groove 905 is arranged at the top of the guide groove 904 to facilitate positioning of the guide rod 902;
[0033] A spring 11 is mounted on the outer wall at the bottom of the support bracket 10 , the top end of the spring 11 is fixedly connected to the inner wall at the top of the driving chamber 901 , and the bottom end of the spring 11 is fixedly connected to the outer wall of the support bracket 10 , providing elastic supporting force for the support bracket 10 .
[0034] When the embodiment of the present application is in use: first, place the reagent bottle containing the rice sample in the detection slot 3 inside the device body 1, and then press down the reagent bottle so that the reagent bottle drives the support bracket 10 to move downward. At this time, the spring 11 is stretched. At the same time, the support bracket 10 drives the movable block 903 to move downward synchronously, so that the guide rod 902 slides along the guide groove 904 on the surface of the movable block 903 and stays in the positioning groove 905, locking the support bracket 10, and then flipping the sealing cover plate 5 to cover the detection slot 3, the sealing ring 6 is stuck in the sealing groove 4, and the gap between the sealing cover plate 5 and the detection slot 3 is sealed, and then the slide plate 702 is pushed horizontally to move it out from the inside of the slide seat 701, and the slide plate 702 drives the limit slide The block 705 makes it slide along the limiting slide groove 704, and the slide plate 702 moves to the surface of the sealing cover plate 5 and presses the sealing cover plate 5 tightly. The slide plate 702 can apply pressure to both ends of the sealing cover plate 5 at the same time. This design optimizes the sealing structure, which is not only simple and quick to operate, but also improves the sealing of the sealing cover plate 5. After the test is completed, the test result is displayed on the display screen 2, and the receipt can be printed through the printing port 8. The slide plate 702 is moved back into the slide seat 701 to open the sealing cover plate 5, and then the reagent bottle is pressed down to make the guide rod 902 move out of the positioning groove 905 and return to its original position under the rebound action of the spring 11. At this time, the support bracket 10 pushes the reagent bottle to make it pop up, thereby improving the convenience of taking the reagent bottle.
Claims
1. A device for detecting heavy metal content in rice, characterized in that: The device comprises a device body (1), a display screen (2), a detection slot (3), a limiting structure (7) and a positioning rebound structure (9), wherein the display screen (2) is mounted on the surface of the device body (1), the detection slots (3) are all arranged inside the device body (1), a sealing groove (4) is arranged on the surface of the device body (1) outside the detection slot (3), a sealing cover plate (5) is rotatably mounted on the surface of the device body (1) at the position of the detection slot (3), and a sealing ring (6) is adhered to the inner surface of the sealing cover plate (5), the sealing ring (6) and the sealing groove (4) cooperate with each other, and the limiting structure (7) is all arranged on the device body (1) on one side of the detection slot (3). 1) surface, the limiting structure (7) comprises a slide seat (701) and a slide plate (702), the slide seat (701) is fixed to the surface of the device body (1) on one side of the detection slot (3), the slide plate (702) is arranged inside the slide seat (701), the positioning rebound structure (9) is arranged below the detection slot (3), the positioning rebound structure (9) comprises a driving cavity (901) and a guide rod (902), the driving cavity (901) is arranged inside the device body (1) below the detection slot (3), the driving cavity (901) is connected to the detection slot (3), and the guide rod (902) is movably mounted on one side of the bottom of the driving cavity (901).
2. The device for detecting heavy metal content in rice according to claim 1, characterized in that: A printing port (8) is provided on the surface of the device body (1) on one side of the display screen (2).
3. The device for detecting heavy metal content in rice according to claim 1, characterized in that: A support bracket (10) is provided at the bottom of the detection slot (3), and the bottom end of the support bracket (10) extends to the interior of the driving cavity (901).
4. The device for detecting heavy metal content in rice according to claim 1, characterized in that: The limiting structure (7) further comprises a convex ridge (703), a limiting sliding groove (704), and a limiting sliding block (705), wherein the convex ridge (703) is arranged on the surface of the sliding block (702).
5. The device for detecting heavy metal content in rice according to claim 4, characterized in that: The limiting slide grooves (704) are both arranged on the two inner walls of the slide seat (701), and the limiting slider (705) is arranged on the side wall of the slide plate (702) at the position of the limiting slide grooves (704), and the limiting slider (705) and the limiting slide grooves (704) cooperate with each other.
6. The device for detecting heavy metal content in rice according to claim 1, characterized in that: The positioning rebound structure (9) further comprises a movable block (903), a guide groove (904), and a positioning groove (905); the movable block (903) is mounted on one side of the bottom of the support bracket (10); and the guide groove (904) is arranged on the surface of the movable block (903).
7. The device for detecting heavy metal content in rice according to claim 6, characterized in that: The positioning groove (905) is arranged on the top of the guide groove (904).
8. The device for detecting heavy metal content in rice according to claim 3, characterized in that: A spring (11) is mounted on the outer wall of the bottom of the support bracket (10), the top end of the spring (11) is fixedly connected to the inner wall of the top of the drive chamber (901), and the bottom end of the spring (11) is fixedly connected to the outer wall of the support bracket (10).
