A microwave digestion apparatus

Abstract

The utility model discloses a microwave digestion instrument, which relates to the technical field of microwave digestion equipment and comprises a microwave digestion instrument body; a tray is arranged in the microwave digestion instrument body, a plurality of cartridge seats are arranged on the upper side of the tray, and a digestion tank is placed in the cartridge seat; an elastic telescopic component is hinged on the upper end of the cartridge seat, and a pressure plate for pressing the digestion tank downward is arranged on one end of the elastic telescopic component away from the hinge; the utility model utilizes the elasticity of the elastic telescopic component to enable the pressure plate to be pressed on the upper side of the digestion tank, forms a limit on the upper side of the digestion tank, reduces the phenomenon of the lid of the digestion tank being loosened, and thus reduces the leakage of samples and reagents in the digestion tank; the elastic telescopic component is hinged with the cartridge seat, so that the elastic telescopic component and the pressure plate can be rotated, and the digestion tank can be conveniently taken in and out.

Description

Technical Field

[0001] The utility model relates to the technical field of microwave digestion equipment, in particular to a microwave digestion instrument. Background Art

[0002] Microwave digestion is a process in which a microwave digester generates microwaves and uses the penetration and reaction activation capabilities of microwaves to heat reagents and samples in a sealed container. This can increase the pressure in the sample preparation container and raise the reaction temperature, thereby greatly increasing the reaction rate and shortening the sample preparation time.

[0003] During the microwave digestion process, the reagents and samples are first placed in the digestion tank, and after the lid is closed and sealed, the digestion tank is placed on the upper side of the turntable in the microwave digestion instrument body. For example, in the utility model patent microwave digestion instrument with the authorization announcement number CN212658527U, in order to ensure uniform heating and continuous rotation of the carrier of the digestion tank during the digestion process, there is no limiting structure on the upper side of the digestion tank. Under the action of high temperature and high pressure inside and its own rotation, once the lid becomes loose, it is very easy to cause leakage, resulting in poor digestion effect or even digestion failure. Utility Model Content

[0004] The purpose of the utility model is to provide a microwave digestion instrument in order to solve the above problems in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A microwave digestion instrument comprises a microwave digestion instrument body; a tray is arranged in the microwave digestion instrument body, a plurality of cartridge seats are arranged on the upper side of the tray, and digestion tanks are placed in the cartridge seats; an elastic telescopic part is hinged on the upper end of the cartridge seat, and a pressure plate for pressing the digestion tank downward is arranged at one end of the elastic telescopic part away from the hinge.

[0007] Furthermore, the elastic telescopic part is U-shaped and has two symmetrical elastic telescopic parts, the ends of which are respectively hinged to the two sides of the upper end of the cylinder seat; the pressure plate is arranged on the lower side of the middle part of the upper end of the elastic telescopic part, and when the pressure plate is located on the upper side of the digestion tank, the elastic telescopic part is in a stretched state.

[0008] Furthermore, a slide rail is provided between the tray and the microwave digestion instrument body, and the slide rail supports the tray to slide horizontally; and a box door is connected to the outer side of the tray.

[0009] Furthermore, a lock tongue is provided on the inner side of the box door, and a lock body corresponding to the lock tongue is provided on the microwave digestion instrument body.

[0010] Furthermore, a turntable and a reduction motor for driving the turntable to rotate are installed on the tray; and the cartridge seats are all located on the upper side of the turntable.

[0011] Furthermore, an inner gear ring is provided on the upper side of the tray, the turntable is located inside the inner gear ring, and a number of gears are installed horizontally on the upper side of the edge of the turntable. The cylinder seats are provided on the upper sides of the gears, and the gears are meshed with the inner gear ring.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model utilizes the elasticity of the elastic telescopic member to enable the pressure plate to be pressed on the upper side of the digestion tank, forming a limit on the upper side of the digestion tank, which can reduce the phenomenon of the lid of the digestion tank being loose, thereby reducing the leakage of samples and reagents inside the digestion tank; the elastic telescopic member is hinged with the cylinder seat, so that the elastic telescopic member and the pressure plate can be rotated, which is convenient for taking and placing the digestion tank;

[0014] The tray supporting the digestion tank in the utility model can be pulled out and connected with the box door in one piece, so it is convenient to take out and put the digestion tank. The utility model supports the digestion tank by a turntable and a gear, the turntable drives the digestion tank to rotate, the gear cooperates with the inner gear ring to realize the self-rotation of the gear, and drives the digestion tank to rotate, so that the reagent and the sample can move in the digestion tank, and be evenly exposed to the microwave and heated evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle.

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model from a second viewing angle.

[0017] Figure 3 It is a schematic diagram of the top structure of the utility model.

[0018] Figure 4 It is a partial structural schematic diagram of the utility model.

[0019] Figure 5 It is a schematic diagram of the structure of the elastic telescopic member of the utility model.

[0020] In the figure: 1. Microwave digestion instrument body; 2. Tray; 3. Slide rail; 4. Box door; 5. Lock tongue; 6. Lock body; 7. Turntable; 8. Reducer motor; 9. Gear; 10. Internal gear ring; 11. Cylinder seat; 12. Digestion tank; 13. Pressure plate; 14. Elastic telescopic part; 141. U-shaped tube; 142. Movable rod; 143. Spring. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0022] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" that may appear should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the term "provided with" that may appear should be understood in a broad sense. For example, the object "provided with" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or an inseparable connection. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] The present invention is further described in detail below in conjunction with the embodiments.

[0025] The specific embodiment of the microwave digestion instrument provided by the utility model is as follows:

[0026] See also Figure 1-5 The microwave digestion instrument comprises a microwave digestion instrument body 1; the microwave digestion instrument body 1 has a cavity for accommodating items, the microwave digestion instrument body 1 is provided with a microwave source for emitting microwaves into the cavity, and the microwave digestion instrument body 1 is provided with a touch control panel. The microwave source and the control panel are existing technologies in the field of microwave digestion, which are not improvements of this embodiment and will not be described in detail in this embodiment.

[0027] A tray 2 is provided inside the microwave digestion instrument body 1, on the upper side of which a digestion tank 12 can be placed. Slide rails 3 are provided between the two sides of the tray 2 and the microwave digestion instrument body 1. The slide rails 3 support the tray 2 to slide horizontally so that the tray 2 can be pulled out, thereby facilitating the placement of the digestion tank 12 on the tray 2. A box door 4 is connected to the outer side of the tray 2. The box door 4 is connected to the tray 2 for synchronous movement, and the tray 2 can be pulled out directly by the translation of the box door 4.

[0028] A plurality of lock tongues 5 are arranged on the inner side of the door 4, and a lock body 6 corresponding to the lock tongues 5 is arranged on the microwave digestion instrument body 1; Figure 1 As shown, the lock body 6 is embedded in the shell of the microwave digestion instrument body 1, and its lock hole is exposed and corresponds to the lock tongue 5. The lock body 6 can be an electric lock, which can be controlled by the control panel to prevent the door 4 from being opened at will during the digestion process, and the door 4 can be opened after the digestion is stopped or interrupted. In some other embodiments, a handle can be installed on the outside of the door 4.

[0029] A turntable 7 and a reduction motor 8 for driving the turntable 7 to rotate are installed on the tray 2; specifically, the turntable 7 is circular in shape and rotatably installed on the upper side of the tray 2, the reduction motor 8 is installed on the lower side of the tray 2, and the output shaft of the reduction motor 8 passes through the tray 2 and is connected to the turntable 7 to drive the turntable 7.

[0030] An inner gear ring 10 is also provided on the upper side of the tray 2, and the turntable 7 is located inside the inner gear ring 10. The turntable 7 is concentric with the inner gear ring 10, and there is an annular gap between the turntable 7 and the inner gear ring 10. The inner gear ring 10 is fixed, and the turntable 7 can rotate.

[0031] A number of gears 9 are installed horizontally on the upper side of the edge of the turntable 7. The gears 9 are evenly distributed around the circumference and all mesh with the inner gear ring 10. When the turntable 7 rotates, it drives all the gears 9 to revolve orbitally. The gears 9 mesh with the inner gear ring 10, and the inner gear ring 10 allows the gears 9 to rotate while revolving orbitally.

[0032] A cartridge seat 11 is disposed on the upper side of each gear 9 . The upper end of the cartridge seat 11 has an opening so that a digestion tank 12 can be placed in the cartridge seat 11 . The height of the cartridge seat 11 is lower than the digestion tank 12 .

[0033] The reagents and samples are placed in the digestion tank 12, and after the lid is closed, the digestion tank 12 is placed in the cartridge seat 11 on the gear 9. The gear 9 drives the cartridge seat 11 and the digestion tank 12 to revolve and rotate at the same time, fully receiving microwaves, so that the reagents and samples are evenly heated, the digestion effect is improved, and the digestion efficiency is increased.

[0034] In order to limit the upper side of the digestion tank 12, in this embodiment, an elastic telescopic member 14 is hinged at the upper end of the cylinder seat 11, and a pressure plate 13 for pressing down the digestion tank 12 is provided at one end of the elastic telescopic member 14 away from the hinge. The elastic telescopic member 14 is U-shaped, and has two symmetrical elastic telescopic parts, and the ends of the two elastic telescopic parts are respectively hinged to the two sides of the upper end of the cylinder seat 11; the pressure plate 13 is arranged in the middle of the upper end of the elastic telescopic member 14, and when the pressure plate 13 is located on the upper side of the digestion tank 12, the elastic telescopic part is in a stretched state.

[0035] Specifically, Figure 5As shown, the elastic telescopic member 14 includes a U-shaped tube 141, two movable rods 142 and two springs 143. The two movable rods 142 slide along the inner side of the straight parts at both ends of the U-shaped tube 141 respectively. An annular protrusion is provided on the outer side of the movable rod 142. The spring 143 is connected between the annular protrusion and the end of the U-shaped tube 141. The end of the movable rod 142 is hinged to the upper side of the cylinder seat 11. The movable rod 142, the spring 143 and the straight part of the U-shaped tube 141 form an elastic telescopic part; the pressure plate 13 is located in the middle of the U-shaped tube 141.

[0036] When the digestion tank 12 is not placed, the elastic telescopic member 14 is turned over to the side of the cartridge seat 11. After the digestion tank 12 is placed in the cartridge seat 11, the pressure plate 13 is pulled to stretch the spring 143, and the U-shaped tube 141 is away from the hinge of the elastic telescopic member 14. Then the elastic telescopic member 14 is rotated to rotate the pressure plate 13 to the upper side of the digestion tank 12, and the pressure plate 13 and the spring 143 are released to move the U-shaped tube 141 and the pressure plate 13 downward, and the pressure plate 13 is tightly pressed on the upper side of the digestion tank 12, forming a stable limit and pressure on the upper side of the digestion tank 12, reducing the shaking of the digestion tank 12, and reducing the loosening of the lid of the digestion tank 12.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments without creative work, or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A microwave digestion instrument, comprising a microwave digestion instrument body (1); characterized in that: A tray (2) is provided in the microwave digestion instrument body (1), a plurality of cartridge seats (11) are provided on the upper side of the tray (2), and a digestion tank (12) is placed in the cartridge seat (11); an elastic telescopic member (14) is hingedly connected to the upper end of the cartridge seat (11), and a pressure plate (13) is provided at one end of the elastic telescopic member (14) away from the hinge for pressing the digestion tank (12) downward.

2. The microwave digestion instrument according to claim 1, characterized in that: The elastic telescopic member (14) is U-shaped, and has two symmetrical elastic telescopic parts, the ends of which are respectively hinged to the two sides of the upper end of the cylinder seat (11); the pressure plate (13) is arranged in the middle of the upper end of the elastic telescopic member (14), and when the pressure plate (13) is located on the upper side of the digestion tank (12), the elastic telescopic parts are in a stretched state.

3. The microwave digestion instrument according to claim 1, characterized in that: A slide rail (3) is provided between the tray (2) and the microwave digestion instrument body (1), and the slide rail (3) supports the tray (2) to slide horizontally; and a box door (4) is connected to the outside of the tray (2).

4. The microwave digestion apparatus according to claim 3, characterized in that: A lock tongue (5) is provided on the inner side of the box door (4), and a lock body (6) corresponding to the lock tongue (5) is provided on the microwave digestion instrument body (1).

5. The microwave digestion apparatus according to claim 1, characterized in that: A turntable (7) and a reduction motor (8) for driving the turntable (7) to rotate are mounted on the tray (2); the cartridge seats (11) are all located on the upper side of the turntable (7).

6. The microwave digestion apparatus according to claim 5, characterized in that: An inner gear ring (10) is provided on the upper side of the tray (2), the turntable (7) is located inside the inner gear ring (10), a plurality of gears (9) are horizontally rotatably mounted on the upper side of the edge of the turntable (7), the cylinder seats (11) are provided on the upper sides of the gears (9), and the gears (9) are meshed with the inner gear ring (10).

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