Freshness tester with positioning structure

Abstract

The utility model relates to the technical field of freshness detection equipment, in particular to a freshness tester with a positioning structure, which comprises a tester body, a central control screen, a testing disc and a positioning mechanism, a central control screen is connected to the upper surface of the tester body, a testing disc is arranged in the tester body, a positioning mechanism is arranged in the testing disc, and a shading plate is arranged above the testing disc. According to the freshness tester with the positioning structure, a transverse electric push rod is started to align a through opening with a hole in a testing disc, a cuvette is inserted into the testing disc, then the through opening and the hole in the testing disc are staggered, a longitudinal electric push rod is started to pull a sealing gasket to be extruded on the cuvette, and then the freshness tester is positioned; the rotating handle is rotated out of the empty groove, the winding drum of the rotating handle is rotated to wind the wire, and then the plug is inserted into the insertion block, so that the freshness tester can bundle the wire.

Description

Technical Field

[0001] The utility model relates to the technical field of freshness detection equipment, in particular to a freshness measuring instrument with a positioning structure. Background Art

[0002] Freshness meter is an analytical instrument used in the field of food science and technology. It can help ensure that food maintains optimal quality during storage, transportation and sales, thereby improving food safety and consumer satisfaction. Existing freshness meter still has certain defects when used, such as;

[0003] When conducting tests, existing freshness meters usually insert the cuvette directly into the channel inside the freshness meter. If the freshness meter or the supporting table is hit, the cuvette may easily shake up and down, or even spill the solution inside. Most of the existing freshness meters do not have a positioning structure. In addition, after use, the existing freshness meter needs to bundle the power adapter cable, which is easy to get tangled and knotted, affecting the next use. Most of them cannot be bundled. Summary of the Invention

[0004] The purpose of the present utility model is to provide a freshness measuring instrument with a positioning structure to solve the problems raised by the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a freshness measuring instrument with a positioning structure, comprising: a measuring instrument body, a central control screen, a measuring disk and a positioning mechanism;

[0006] The upper surface of the measuring instrument body is connected to a central control screen, and a measuring disk is provided inside the measuring instrument body. A positioning mechanism is provided inside the measuring disk, and a light shielding plate is provided above the measuring disk. The light shielding plate is rotatably connected to the upper surface of the measuring instrument body. A power supply mechanism is provided at the rear of the measuring instrument body.

[0007] The positioning mechanism includes: a cavity, a pillar, a transverse electric push rod, a longitudinal electric push rod, a cover, a sealing gasket and a through port. A cavity is opened in the measuring disk, and a pillar is rotatably connected to the lower part of the inner wall of the cavity. The outer side of the pillar is rotatably connected to the transverse electric push rod through a connecting ear, and the transverse electric push rod is rotatably connected to the inner wall of the cavity.

[0008] Preferably, a longitudinal electric push rod is embedded above the pillar, and the upper surface of the longitudinal electric push rod is connected to a cover plate by bolts.

[0009] Preferably, a sealing gasket is connected to the bottom of the cover plate.

[0010] Preferably, both the cover plate and the sealing gasket are provided with openings.

[0011] Preferably, the power supply mechanism includes: a shell, a power adapter, a reel, a disc, an empty slot, a rotary handle, an insert, a plug, a wire, a rotary joint and a cable. The rear part of the measuring instrument body is connected to the shell by bolts, and a power adapter is provided on one side of the shell. The power adapter is connected to the rear part of the measuring instrument body. A reel is rotatably connected to the inner wall of the shell, and the rear end of the reel passes through the inner wall of the shell and is connected to the disc.

[0012] Preferably, a hollow slot is provided at the rear of the disc, and a rotary handle is rotatably connected to the inner wall of the hollow slot via a right-angle hinge.

[0013] Preferably, the upper surface of the power adapter is connected to an insert block, a plug is provided in the insert block, a wire is connected above the plug, the wire passes through and slides on one side of the inner wall of the shell, and the wire is wound around the outside of the reel.

[0014] Preferably, the end of the wire away from the plug passes through the inner wall of the reel and is connected to a rotary joint, the rotary joint passes through the front of the inner wall of the shell and is connected to a cable, the cable is connected to one side of the power adapter, and the cable is embedded in the front of the shell.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the freshness meter with a positioning structure is configured to align the through-port with the hole in the measuring disk by activating the transverse electric push rod, insert the cuvette into the measuring disk, then stagger the through-port and the hole in the measuring disk, and activate the longitudinal electric push rod to pull the sealing gasket and squeeze it on the cuvette, thereby positioning the freshness meter; and the freshness meter is configured to be wired by rotating the handle out of the empty slot, rotating the handle reel to wind up the wire, and then inserting the plug into the plug block. The specific contents are as follows:

[0016] 1. Start the horizontal electric push rod to drive the cover plate and sealing gasket to rotate, align the opening with the hole in the measurement disk, and then insert the cuvette into the hole in the measurement disk. Start the horizontal electric push rod again to stagger the opening and the hole in the measurement disk, and start the vertical electric push rod to squeeze the sealing gasket onto the cuvette to position the cuvette, thereby positioning the freshness meter.

[0017] 2. Pull the plug to move the wire outward from the shell and connect the plug to the socket. After testing, unplug the plug from the socket and rotate the handle. Rotate the handle to drive the reel to rotate, wind the wire around the reel for storage, and then insert the plug into the plug block to allow the freshness meter to bundle the wires. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2This is a schematic diagram of the three-dimensional structure of the measuring disk of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the sealing gasket of the utility model;

[0021] Figure 4 This is a schematic diagram of the three-dimensional cross-sectional structure of the shell of the utility model.

[0022] In the figure: 1. Measuring instrument body; 2. Central control screen; 3. Measuring disk; 4. Positioning mechanism; 401. Cavity; 402. Support; 403. Horizontal electric push rod; 404. Vertical electric push rod; 405. Cover; 406. Sealing gasket; 407. Through port; 5. Sunshade; 6. Power supply mechanism; 601. Housing; 602. Power adapter; 603. Reel; 604. Disc; 605. Empty slot; 606. Rotary handle; 607. Insert block; 608. Plug; 609. Wire; 610. Rotary joint; 611. Cable. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-Figure 3 The utility model provides a technical solution: a freshness meter with a positioning structure, comprising: a meter body 1, a central control screen 2, a measuring disk 3 and a positioning mechanism 4; the upper surface of the meter body 1 is connected to the central control screen 2, and the measuring disk 3 is provided inside the meter body 1, the positioning mechanism 4 is provided inside the measuring disk 3, and a light shielding plate 5 is provided above the measuring disk 3, the light shielding plate 5 is rotatably connected to the upper surface of the meter body 1, and the rear part of the meter body 1 is provided with a power supply mechanism 6; the positioning mechanism 4 includes: a cavity 401, a pillar 402, a horizontal electric push rod 403, a longitudinal electric push rod Rod 404, cover plate 405, sealing gasket 406 and through port 407, a cavity 401 is opened in the measuring disk 3, a support 402 is rotatably connected to the lower inner wall of the cavity 401, the outer side of the support 402 is rotatably connected to a horizontal electric push rod 403 through a connecting ear, the horizontal electric push rod 403 is rotatably connected to the inner wall of the cavity 401, a longitudinal electric push rod 404 is embedded above the support 402, the upper surface of the longitudinal electric push rod 404 is connected to the cover plate 405 by bolts, the bottom of the cover plate 405 is connected to the sealing gasket 406, and through ports 407 are opened in the cover plate 405 and the sealing gasket 406.

[0025] During specific implementation, start the horizontal electric push rod 403 to shorten, pull the support 402 to drive the cover 405 and the sealing gasket 406 to rotate, align the through opening 407 with the hole in the measuring disk 3, and then insert the cuvette into the hole in the measuring disk 3, start the horizontal electric push rod 403 to extend, stagger the through opening 407 with the hole in the measuring disk 3, start the longitudinal electric push rod 404 to shorten, pull the cover 405 and the sealing gasket 406 to move downward, squeeze the sealing gasket 406 onto the cuvette, position the cuvette to prevent shaking, and at the same time, the sealing gasket 406 seals the cuvette to prevent spillage, so as to position the freshness meter.

[0026] See Figure 1 、 Figure 2 and Figure 4 The power supply mechanism 6 includes: a housing 601, a power adapter 602, a reel 603, a disc 604, an empty slot 605, a rotary handle 606, an insert 607, a plug 608, a wire 609, a rotary joint 610 and a cable 611. The rear part of the measuring instrument body 1 is connected to the housing 601 by bolts. A power adapter 602 is provided on one side of the housing 601. The power adapter 602 is connected to the rear part of the measuring instrument body 1. The reel 603 is rotatably connected to the inner wall of the housing 601. The rear end of the reel 603 passes through the inner wall of the housing 601 and is connected to the disc 604. The rear part of the disc 604 is provided with an empty slot 605. The empty slot 605 A handle 606 is rotatably connected to the inner wall via a right-angle hinge, an insert block 607 is connected to the upper surface of the power adapter 602, a plug 608 is provided in the insert block 607, a wire 609 is connected above the plug 608, the wire 609 slides through one side of the inner wall of the outer shell 601, and the wire 609 is wound around the outside of the reel 603, the end of the wire 609 away from the plug 608 passes through the inner wall of the reel 603 and is connected to a rotary joint 610, the rotary joint 610 passes through the front of the inner wall of the outer shell 601 and is connected to a cable 611, the cable 611 is connected to one side of the power adapter 602, and the cable 611 is embedded in the front of the outer shell 601.

[0027] During specific implementation, the plug 608 is unplugged from the plug block 607, and then the plug 608 is pulled to drive the wire 609 to move outward from the housing 601, and the plug 608 is connected to the socket. The electricity is transmitted to the power adapter 602 through the wire 609, the rotary joint 610 and the cable 611. After the power adapter 602 reduces the voltage, it supplies power to the meter body 1. After the test, the plug 608 is unplugged from the socket, and then the handle 606 is rotated out of the empty slot 605. The rotating handle 606 drives the disc 604 and the reel 603 to rotate, and the wire 609 is wound on the reel 603 for storage. Then the plug 608 is inserted into the plug block 607 to allow the freshness meter to bundle the wires.

[0028] In summary, when using this freshness meter with a positioning structure, first, connect the plug 608 to the socket, then weigh 2g of rice sample and place it in a 10ml centrifuge tube, use a pipette to transfer 8ml of freshness tester to the centrifuge tube containing the sample, then place it on an oscillator and shake for 1 minute, then transfer the upper layer of liquid in the centrifuge tube to another centrifuge tube, centrifuge it in a centrifuge for 1 minute, then pour the upper layer of liquid in the centrifuge tube into a cuvette, operate the central control screen 2 to select the type of sample to be tested for calibration, then open the light shield 5 and start the horizontal rotation. The electric push rod 403 is moved to align the opening 407 with the hole in the measuring disk 3, and then the cuvette is inserted into the hole in the measuring disk 3. The horizontal electric push rod 403 is started to stagger the opening 407 with the hole in the measuring disk 3. The longitudinal electric push rod 404 is started to squeeze the sealing gasket 406 onto the cuvette, and then the light shielding plate 5 is covered and the central control screen 2 is operated for detection. The measuring instrument body 1 detects the color in the cuvette and displays the structure on the central control screen 2. The content not described in detail in this description belongs to the existing technology known to professional and technical personnel in this field.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A freshness measuring instrument with a positioning structure, comprising: The measuring instrument body (1), the central control screen (2), the measuring disk (3) and the positioning mechanism (4) are characterized by: The upper surface of the measuring instrument body (1) is connected to a central control screen (2), and a measuring disk (3) is provided inside the measuring instrument body (1), a positioning mechanism (4) is provided inside the measuring disk (3), and a light shielding plate (5) is provided above the measuring disk (3), the light shielding plate (5) is rotatably connected to the upper surface of the measuring instrument body (1), and a power supply mechanism (6) is provided at the rear of the measuring instrument body (1); The positioning mechanism (4) comprises: a cavity (401), a pillar (402), a transverse electric push rod (403), a longitudinal electric push rod (404), a cover plate (405), a sealing gasket (406) and a through-hole (407); a cavity (401) is provided in the measuring disk (3); a pillar (402) is rotatably connected to the lower inner wall of the cavity (401); a transverse electric push rod (403) is rotatably connected to the outer side of the pillar (402) via a connecting ear; and the transverse electric push rod (403) is rotatably connected to the inner wall of the cavity (401).

2. The freshness measuring instrument with a positioning structure according to claim 1, characterized in that: A longitudinal electric push rod (404) is embedded above the support (402), and a cover plate (405) is connected to the upper surface of the longitudinal electric push rod (404) via bolts.

3. The freshness measuring instrument with a positioning structure according to claim 2, characterized in that: A sealing gasket (406) is connected to the bottom of the cover plate (405).

4. The freshness measuring instrument with a positioning structure according to claim 3, characterized in that: The cover plate (405) and the sealing gasket (406) are both provided with openings (407).

5. The freshness measuring instrument with a positioning structure according to claim 1, characterized in that: The power supply mechanism (6) includes: a housing (601), a power adapter (602), a reel (603), a disc (604), an empty slot (605), a rotary handle (606), an insert (607), a plug (608), a wire (609), a rotary joint (610) and a cable (611). The rear portion of the measuring instrument body (1) is connected to the housing (601) by bolts. A power adapter (602) is provided on one side of the housing (601). The power adapter (602) is connected to the rear portion of the measuring instrument body (1). The reel (603) is rotatably connected to the inner wall of the housing (601). The rear end of the reel (603) passes through the inner wall of the housing (601) and is connected to the disc (604).

6. The freshness measuring instrument with a positioning structure according to claim 5, characterized in that: An empty slot (605) is provided at the rear of the circular disc (604), and a rotary handle (606) is rotatably connected to the inner wall of the empty slot (605) via a right-angle hinge.

7. The freshness measuring instrument with a positioning structure according to claim 5, characterized in that: The upper surface of the power adapter (602) is connected to an insert block (607), a plug (608) is provided in the insert block (607), a wire (609) is connected above the plug (608), the wire (609) passes through and slides on one side of the inner wall of the housing (601), and the wire (609) is wound around the outside of the reel (603).

8. The freshness measuring instrument with a positioning structure according to claim 7, characterized in that: The end of the wire (609) away from the plug (608) passes through the inner wall of the reel (603) and is connected to a rotary joint (610). The rotary joint (610) passes through the front of the inner wall of the shell (601) and is connected to a cable (611). The cable (611) is connected to one side of the power adapter (602), and the cable (611) is embedded in the front of the shell (601).

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