Extraction and concentration device for food inspection
By introducing a test tube holder and pressure sensor into the food testing device, the problem of test tubes being difficult to hold was solved, enabling the monitoring of remaining sample volume and adjustment of nozzle height, thus improving operational convenience and monitoring accuracy.
Patent Information
- Application Number
- CN202423281302.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing food testing equipment is inconvenient to operate during sample extraction and concentration because the test tubes are difficult to lift and lack the functions of monitoring the remaining sample volume and adjusting the nozzle height.
An extraction and concentration device was designed, comprising a shell, a water bath, a test tube limiting plate, a test tube support plate, a nitrogen nozzle, and adjustment components. The device enables convenient lifting of test tubes, monitoring of remaining sample volume, and adjustment of nozzle height through an electric cylinder and a pressure sensor.
It enables convenient holding of test tubes, monitoring of remaining sample volume, and flexible adjustment of nozzle height, improving operational convenience and monitoring accuracy.
Smart Images
Figure CN223846969U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of extraction concentration device, concretely to a kind of extraction concentration device of food inspection. BACKGROUND
[0002] Food inspection is an important part of food safety guarantee work, by sample crushing, extraction, centrifugation, oscillation and then extraction concentration, the sample to be detected can be obtained.
[0003] In the current food inspection laboratory, nitrogen blowing equipment is often used to extract and concentrate samples. The sample solution is stored in a test tube, which is inserted into the water bath box of the nitrogen blowing equipment. While being heated, the nitrogen nozzle is inserted into the test tube for nitrogen blowing, so that the sample is quickly evaporated and concentrated. However, there are some functional deficiencies in actual use, and there is room for improvement. For example, when the test tube is inserted into the clamping plate on the top of the water bath box, it is usually completely submerged, with the test tube opening clamped on the opening of the limiting plate, or the exposed head end is short. It is not convenient to pull out when taking out later, and the operation is not convenient. It does not have the function of conveniently lifting the test tube container.
[0004] Now, a new type of extraction concentration device for food inspection is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide an extraction concentration device for food inspection to solve the problem of not having the function of conveniently lifting the test tube container as mentioned in the background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an extraction concentration device for food inspection, comprising a shell, a control panel is arranged at the front end of the shell, a water bath box is fixedly connected to the top end inside the shell, an electric heating module is arranged at the bottom end of the water bath box, side edge sliding rods are fixedly connected to the left and right sides of the shell, a test tube limiting plate is horizontally placed at the top end of the shell, a plurality of test tube insertion holes are arranged inside the test tube limiting plate, a nozzle insertion plate is arranged above the test tube limiting plate, a plurality of nitrogen nozzles are inserted into the nozzle insertion plate, and an adjusting assembly for conveniently taking out the test tube container is arranged at the top end of the shell.
[0007] The adjusting assembly comprises two groups of first electric cylinders, the two groups of first electric cylinders are respectively installed on the two sides of the top end of the shell, a test tube supporting plate is horizontally arranged inside the water bath box, and a plurality of test tube bottom limiting grooves are arranged inside the test tube supporting plate.
[0008] As a further technical scheme of the utility model, the output end of the first electric cylinder penetrates the top end of the shell, and the output end of the first electric cylinder is connected to the top end of the test tube supporting plate.
[0009] As a further technical scheme of the utility model, the bottom end of the test tube supporting plate is higher than the bottom end inside the water bath box, and the first electric cylinder is symmetrically distributed about the vertical center line of the shell.
[0010] As a further technical scheme of the utility model, the test tube jack and the test tube bottom limiting groove are one-to-one corresponding, and the vertical center lines of the test tube jack, the test tube bottom limiting groove and the nitrogen nozzle coincide.
[0011] As a further technical scheme of the utility model, the top end of the shell is fixedly connected with waterproof shells on both sides, two groups of pressure sensors are installed at the top end inside the waterproof shells, sensor touch rods are arranged at the top end of the pressure sensors, and the top end of the sensor touch rods is in contact with the bottom end of the test tube limiting plate.
[0012] As a further technical scheme of the utility model, the top end of the side edge sliding rod is fixedly connected with an upper fixed plate, second electric cylinders are installed at the top of the upper fixed plate on both sides, sliding sleeves are fixedly connected on the left and right sides of the nozzle plugboard, the shape size inside the sliding sleeve is matched with the shape size outside the side edge sliding rod, and the sliding sleeve can slide up and down along the outside of the side edge sliding rod.
[0013] Compared with the prior art, the food inspection extraction and concentration device has the advantages that the device not only realizes the function of conveniently lifting the test tube container, but also realizes the functions of monitoring the residual sample amount and conveniently adjusting the nozzle height.
[0014] (1) By arranging the test tube limiting plate, the test tube jack, the first electric cylinder, the test tube supporting plate and the test tube bottom limiting groove, when in use, a part of the sample solution after being crushed, oscillated and centrifuged is taken into the test tube container by a pipettor, the test tube container is inserted along the test tube jack on the test tube limiting plate, the outer expansion ring of the test tube head is clamped at the test tube jack, the electric heating module at the bottom of the water bath box is turned on, the water bath box heats the test tube container, the gas pipe of nitrogen is connected to the nitrogen nozzle, the nitrogen nozzle is inserted into the test tube, the sample is blown, when the sample is extracted and concentrated, the first electric cylinder is retracted, the test tube supporting plate is pulled up, the test tube supporting plate supports the bottom of the test tube, the test tube bottom limiting groove clamps the bottom of the test tube, so that the test tube is kept vertical and stable during the upward movement, the test tube is lifted from the water bath box, and the staff can conveniently take the test tube, thereby realizing the function of conveniently lifting the test tube container.
[0015] (2) through the waterproof shell is provided with pressure sensor and sensor touch rod, use, with the test tube is clamped into test tube limiting plate, the weight of test tube also presses on test tube limiting plate, the weight of test tube limiting plate is transmitted to pressure sensor through sensor touch rod, the weight value of pressure sensor feedback can be converted into the actual residual amount of sample, it is convenient for staff to judge, the waterproof shell can protect the pressure sensor from being damaged by damp, realize the function of sample residual amount monitoring;
[0016] (3) through the setting has the upper fixed plate, second electric cylinder and sliding sleeve, use, according to the height of sample in test tube, the height of nitrogen nozzle can be adjusted, the second electric cylinder on the top of upper fixed plate contracts or extends, in turn, can drive sliding sleeve to slide up and down along the side edge slide bar, the height of nozzle plugboard together with nitrogen nozzle is also adjusted up and down, realize the function of nozzle height adjustment. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the front view structural schematic diagram of the utility model;
[0018] Figure 2 It is the front view sectional structure schematic diagram of the shell of the utility model;
[0019] Figure 3 It is the Figure 2 It is the local section enlarged structure schematic diagram of the utility model;
[0020] Figure 4 It is the shell top view local section structure schematic diagram of the utility model.
[0021] In the drawing: 1, shell;2, control panel;3, water bath box;4, electric heating module;5, side edge slide bar;6, test tube limiting plate;7, test tube receptacle;8, first electric cylinder;9, test tube supporting plate;10, test tube bottom limiting groove;11, waterproof shell;12, pressure sensor;13, sensor touch rod;14, nozzle plugboard;15, nitrogen nozzle;16, upper fixed plate;17, second electric cylinder;18, sliding sleeve. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of protection of the utility model.
[0023] Embodiment: please refer to Figures 1-4The utility model provides an extraction and concentration device for food inspection, which comprises a shell 1, a control panel 2 arranged at the front end of the shell 1, a water bath box 3 fixedly connected to the top end inside the shell 1, an electric heating module 4 arranged at the bottom end of the water bath box 3, side edge sliding rods 5 fixedly connected to the left and right sides of the shell 1, a test tube limiting plate 6 horizontally arranged at the top end of the shell 1, a plurality of test tube insertion holes 7 arranged inside the test tube limiting plate 6, a nozzle insertion plate 14 arranged above the test tube limiting plate 6, a plurality of nitrogen gas nozzles 15 inserted into the nozzle insertion plate 14, and an adjusting assembly arranged at the top end of the shell 1 and used for taking out a test tube container.
[0024] Please refer to Figures 1-4 The extraction and concentration device for food inspection further comprises the adjusting assembly, which comprises two groups of first electric cylinders 8, the two groups of first electric cylinders 8 are respectively arranged at the two sides of the top end of the shell 1, a test tube supporting plate 9 is horizontally arranged inside the water bath box 3, and a plurality of test tube bottom limiting grooves 10 are arranged inside the test tube supporting plate 9.
[0025] The output end of the first electric cylinder 8 penetrates through the top end of the shell 1, the output end of the first electric cylinder 8 is connected to the top end of the test tube supporting plate 9, the bottom end of the test tube supporting plate 9 is higher than the bottom end inside the water bath box 3, the first electric cylinders 8 are symmetrically distributed about the vertical center line of the shell 1, the positions of the test tube insertion holes 7 and the test tube bottom limiting grooves 10 are one-to-one corresponding, the vertical center lines of the test tube insertion holes 7, the test tube bottom limiting grooves 10 and the nitrogen gas nozzles 15 are coincident, and the test tube can be conveniently lifted out.
[0026] Specifically, as shown in Figure 1 , Figure 2 and Figure 4 , the test tube container is inserted along the test tube insertion holes 7 on the test tube limiting plate 6, the outer expansion ring of the head of the test tube is clamped at the test tube insertion hole 7, the electric heating module 4 at the bottom of the water bath box 3 is turned on, the water bath box 3 heats the test tube container, the gas pipe of nitrogen gas is connected to the nitrogen gas nozzle 15, the nitrogen gas nozzle 15 is inserted into the test tube, the sample is blown, when the sample is extracted and concentrated, the first electric cylinder 8 is retracted, the test tube supporting plate 9 is pulled up, the test tube supporting plate 9 supports the bottom of the test tube, the test tube bottom limiting groove 10 clamps the bottom of the test tube, so that the test tube is kept vertically stable during the upward movement, and the test tube is lifted out of the water bath box 3.
[0027] Two waterproof shells 11 are fixedly connected to the two sides of the top end inside the shell 1, two groups of pressure sensors 12 are arranged at the top end inside the waterproof shell 11, a sensor touch rod 13 is arranged at the top end of the pressure sensor 12, the top end of the sensor touch rod 13 is in contact with the bottom end of the test tube limiting plate 6, and the residual amount of the sample can be intuitively fed back.
[0028] Specifically, as shown in Figure 1 and Figure 3As shown, the weight of the test tube is pressed on the test tube limiting plate 6, the weight of the test tube limiting plate 6 is transmitted to the pressure sensor 12 through the sensor touch rod 13, and the weight value fed back by the pressure sensor 12 can be converted into the actual remaining amount of the sample, so that the staff can judge conveniently, and the waterproof shell 11 can protect the pressure sensor 12 from being damaged by moisture.
[0029] The top end of the side sliding rod 5 is fixedly connected with an upper fixed plate 16, the two sides of the top of the upper fixed plate 16 are respectively provided with second electric cylinders 17, the left and right sides of the nozzle plug plate 14 are respectively fixedly connected with sliding sleeves 18, the shape and size of the inside of the sliding sleeve 18 are matched with the shape and size of the outside of the side sliding rod 5, the sliding sleeve 18 can slide up and down along the outside of the side sliding rod 5, and the actual height of the nozzle is adjusted conveniently.
[0030] Specifically, as shown in the figure, Figure 1 The second electric cylinder 17 at the top of the upper fixed plate 16 is retracted or extended, so as to drive the sliding sleeve 18 to slide up and down along the side sliding rod 5, and the height of the nozzle plug plate 14 and the nitrogen nozzle 15 is adjusted up and down.
[0031] Working principle: when the utility model is used, first, a part of the sample solution after being crushed, oscillated and centrifuged is taken into the test tube container by the pipettor, the test tube container is inserted along the test tube insertion hole 7 on the test tube limiting plate 6, the flared ring at the head of the test tube is clamped at the test tube insertion hole 7, the electric heating module 4 at the bottom of the water bath box 3 is started, the water bath box 3 heats the test tube container, meanwhile, the gas pipe of nitrogen is connected to the nitrogen nozzle 15, the nitrogen nozzle 15 is inserted into the test tube, and the sample is blown, along with the sample being extracted and concentrated, the first electric cylinder 8 is retracted, the test tube supporting plate 9 is pulled up, the test tube supporting plate 9 supports the bottom of the test tube, the test tube bottom limiting groove 10 clamps the bottom of the test tube, so that the test tube remains vertical and stable during the upward movement, and the test tube is lifted from the water bath box 3, so that the staff can take it conveniently. Along with the test tube being clamped into the test tube limiting plate 6, the weight of the test tube is also pressed on the test tube limiting plate 6, the weight of the test tube limiting plate 6 is transmitted to the pressure sensor 12 through the sensor touch rod 13, and the weight value fed back by the pressure sensor 12 can be converted into the actual remaining amount of the sample, so that the staff can judge conveniently, and the waterproof shell 11 can protect the pressure sensor 12 from being damaged by moisture. According to the height of the sample in the test tube, the height of the nitrogen nozzle 15 can be adjusted, the second electric cylinder 17 at the top of the upper fixed plate 16 is retracted or extended, so as to drive the sliding sleeve 18 to slide up and down along the side sliding rod 5, and the height of the nozzle plug plate 14 and the nitrogen nozzle 15 is adjusted up and down.
[0032] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. An extraction concentration apparatus for food inspection comprising a housing (1), characterised in that: The front end of the shell (1) is provided with a control panel (2), the top end inside the shell (1) is fixedly connected with a water bath box (3), the bottom end of the water bath box (3) is provided with an electric heating module (4), the left and right sides of the shell (1) are respectively fixedly connected with side edge sliding rods (5), the top end of the shell (1) horizontally places a test tube limiting plate (6), the inside of the test tube limiting plate (6) is provided with a plurality of test tube jacks (7), the top of the test tube limiting plate (6) is provided with a nozzle plugboard (14), a plurality of nitrogen gas nozzles (15) are inserted into the inside of the nozzle plugboard (14), the top end of the shell (1) is provided with an adjusting assembly for facilitating the removal of the test tube container; The adjusting assembly comprises two groups of first electric cylinders (8), which are respectively installed on the two sides of the top end of the shell (1), and the inside of the water bath box (3) is transversely provided with a test tube supporting plate (9), and the inside of the test tube supporting plate (9) is provided with a plurality of test tube bottom limiting grooves (10).
2. A food inspection extraction concentration apparatus according to claim 1, wherein: The output end of the first electric cylinder (8) penetrates through the top end of the shell (1), and the output end of the first electric cylinder (8) is connected with the top end of the test tube supporting plate (9).
3. A food inspection extraction concentration apparatus as defined in claim 1, wherein: The bottom end of the test tube supporting plate (9) is higher than the bottom end inside the water bath box (3), and the first electric cylinders (8) are symmetrically distributed about the vertical center line of the shell (1).
4. The food inspection extraction concentration apparatus of claim 1, wherein: The positions of the test tube jacks (7) and the test tube bottom limiting grooves (10) are one-to-one corresponding, and the vertical center lines of the test tube jacks (7), the test tube bottom limiting grooves (10) and the nitrogen gas nozzles (15) coincide.
5. The food inspection extraction concentration apparatus of claim 1, wherein: The top end of the inside of the shell (1) is fixedly connected with waterproof shells (11) on the two sides, respectively, two groups of pressure sensors (12) are installed on the top end of the inside of the waterproof shells (11), sensor touch rods (13) are arranged on the top end of the pressure sensors (12), and the top end of the sensor touch rods (13) is in contact with the bottom end of the test tube limiting plate (6).
6. An extraction concentration apparatus for food inspection according to claim 1, wherein: The top end of the side edge sliding rod (5) is fixedly connected with an upper fixed plate (16), the second electric cylinders (17) are installed on the two sides of the top of the upper fixed plate (16), respectively, the left and right sides of the nozzle plugboard (14) are fixedly connected with sliding sleeves (18), respectively, the shape and size of the inside of the sliding sleeve (18) are matched with the shape and size of the outside of the side edge sliding rod (5), and the sliding sleeve (18) can slide up and down along the outside of the side edge sliding rod (5).