Digital display temperature control magnetic heating stirring device

Abstract

The utility model relates to the field of magnetic stirring device discloses a digital display control temperature's magnetic heating stirring device. It includes instrument base and heating cover, and heating cover is located instrument base top, and heating cover includes inner bag and metal shell, and the outside wall of inner bag top is fixedly connected with silica gel spare, and silica gel spare is equipped with a plurality of in inner bag circumference side interval, and every silica gel spare all is equipped with the joint structure, and the joint structure is suitable for joint connection in metal shell top, and silica gel spare top exposes in air, and inner bag is connected with metal shell joint connection through the joint structure. The utility model improves the convenience of dismantling inner bag, has good heat preservation effect, and heat is not easy to lose, and heat is not easy to transfer to metal shell on leading to metal shell scald operator, and the safety is higher, according to different viscosity liquid, can replace stirring magnetic blade quickly to give consideration to stirring efficiency, compares and replaces whole stirring magnet, and the cost is lower.

Description

Technical Field

[0001] This utility model relates to the technical field of magnetic stirring devices, and more specifically, to a magnetic heating stirring device with digital display temperature control. Background Technology

[0002] Magnetic heating stirrers are mainly used in laboratory and industrial settings for liquid mixing, heating, and promoting chemical reactions, and are widely used in fields such as biology, medicine, chemistry, and food testing. Their core function is to achieve non-contact stirring by driving a stirring magnet to rotate using a magnetic field. Chinese utility model patent CN 205361206 U discloses a detachable small magnetic heating stirrer, whose heating and temperature control module is a heating jacket. During heating, a beaker is placed inside the heating jacket. Existing heating jackets include a metal outer shell and an inner liner. The metal outer shell is connected to the base by bolts, and the inner liner is located inside the metal outer shell and enclosed by it. The inner liner is made of fiberglass and metal heating wire, and its top is open to facilitate the insertion of the beaker and ensure uniform heating.

[0003] However, after prolonged use, the inner liner may develop cracks or tiny holes, leading to uneven heating. In addition, if strong acids / alkalis / organic solvents are splashed onto the inner liner and not cleaned in time, the fiber mesh will be corroded, affecting its use. Furthermore, some heating wires may also be damaged after prolonged operation, thus requiring the replacement of the inner liner. However, in the current technology, since the inner liner is enclosed by a metal shell, the metal shell must be removed before the inner liner can be removed, making the disassembly, replacement, or repair of the inner liner quite inconvenient. Utility Model Content

[0004] To address at least one of the aforementioned problems, this utility model provides a digitally displayed temperature-controlled magnetic heating and stirring device, comprising an instrument base and a heating sleeve. The heating sleeve is disposed on the top of the instrument base and includes an inner liner and a metal outer shell. A silicone component is fixedly connected to the outer side wall of the top of the inner liner. Multiple silicone components are spaced apart around the inner liner, and each silicone component has a snap-fit ​​structure adapted to snap-fit ​​onto the top of the metal outer shell. The top of the silicone component is exposed to air, and the inner liner is snap-fitted to the metal outer shell through the snap-fit ​​structure.

[0005] Optionally, the outer side wall of the top of the inner liner is integrally formed with a connector, and the silicone part is fixedly connected to the connector.

[0006] Optionally, the silicone part has a slot on the side near the inner liner, the connector is inserted into the slot, and the connector is fixedly connected to the silicone part by adhesive.

[0007] Optionally, the connector is provided with a plurality of through holes spaced apart.

[0008] Optionally, the snap-fit ​​structure includes a silicone cylinder and a silicone hemisphere fixedly disposed at the bottom of the silicone part. The silicone cylinder and the silicone hemisphere are concentric. The silicone hemisphere is located at the bottom of the silicone cylinder, and the outer diameter of the silicone hemisphere is larger than the outer diameter of the silicone cylinder. The top of the metal shell is bent inward with a flange. A snap-fit ​​hole is provided on the flange. The diameter of the snap-fit ​​hole is the same as the outer diameter of the silicone cylinder. The silicone hemisphere is located on the bottom side of the flange and abuts against the flange.

[0009] Optionally, the bottom of the flange is provided with a clay ring, the outer peripheral wall of the clay ring abuts against the inside of the metal shell, and the inner peripheral wall of the clay ring abuts against the outer peripheral wall of the inner liner.

[0010] Optionally, a pinch pad is fixedly provided on the top of the silicone part.

[0011] Optionally, the instrument base has a groove at its rear end, and a drawer is slidably disposed in the groove, with a stirring magnet placed inside the drawer.

[0012] Optionally, the drawer is provided with a magnetic ring, the instrument base is made of metal, and when the drawer is located in the groove, the magnetic ring is attracted to the instrument base.

[0013] Optionally, a slot is provided on one side of the stirring magnet, and a stirring magnetic blade is inserted into the slot. The stirring magnetic blade protrudes from the slot and is attracted to the stirring magnet.

[0014] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0015] 1. An additional silicone piece is fixed to the inner liner, so that the inner liner is snapped to the metal shell through the silicone piece, and the top of the silicone piece is exposed to the air, which makes it easy to apply force to release the silicone piece from the metal shell, thus improving the convenience of disassembling the inner liner.

[0016] 2. Inserting the connector into the slot increases the contact area between the inner liner and the silicone part. The adhesive can enter the through hole to increase its content and viscosity. When the adhesive in the through hole solidifies, it can make the connection between the silicone part and the connector more stable and firm.

[0017] 3. The clay ring design provides good insulation for the inner liner, preventing heat loss and heat transfer to the metal outer shell, thus avoiding burns to the operator and ensuring high safety.

[0018] 4. The drawer allows for the storage of the stirring magnet, making it convenient to access when needed. The stirring magnet has detachable stirring blades, which can be quickly replaced to adjust stirring efficiency depending on the viscosity of the liquid. Compared to replacing the entire stirring magnet, this method is less costly. Attached Figure Description

[0019] Figure 1 This is a structural diagram of the instrument base and heating sleeve in an embodiment of this utility model;

[0020] Figure 2 This is an exploded view of the instrument base and drawer in an embodiment of this utility model;

[0021] Figure 3 This is an exploded view of the drawer, stirring magnet, and stirring magnetic blade in an embodiment of this utility model;

[0022] Figure 4 This is a cross-sectional view of the heating jacket in an embodiment of this utility model;

[0023] Figure 5 This is an exploded view of the connector and silicone part in an embodiment of this utility model;

[0024] Figure 6 This is a partial enlarged view of an embodiment of the present invention.

[0025] Explanation of reference numerals in the attached diagram: 1. Instrument base; 11. Display screen; 12. Groove; 13. Drawer; 131. Magnetic ring; 14. Stirring magnet; 141. Slot; 15. Stirring magnetic blade; 2. Heating jacket; 21. Inner liner; 211. Connector; 22. Metal outer shell; 23. Flanged edge; 231. Snap-fit ​​hole; 24. Clay ring; 25. Silicone part; 26. Snap-fit ​​structure; 261. Silicone cylinder; 262. Silicone hemisphere; 27. Hand-pinched plate. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the following description is provided in conjunction with the appendix. Figure 1-6 This application will be described in further detail.

[0027] This utility model embodiment provides a digital display temperature-controlled magnetic heating and stirring device, see reference. Figure 1 The digitally controlled magnetic heating and stirring device includes an instrument base 1 and a heating sleeve 2, with the heating sleeve 2 located on top of the instrument base 1. The heating sleeve 2 includes an inner liner 21 and a metal outer shell 22. The metal outer shell 22 is fixedly connected to the instrument base 1 by bolts, and the inner liner 21 is snap-fitted to the metal outer shell 22. The snap-fit ​​point between the inner liner 21 and the metal outer shell 22 is located at the top of the metal outer shell 22, which facilitates the release of the snap-fit ​​relationship between the inner liner 21 and the metal outer shell 22 for disassembly of the inner liner 21.

[0028] Reference Figure 2 and Figure 3 In this embodiment, the preferred instrument base 1 is a metal base. A display screen 11 and operation buttons are located on one side of the instrument base 1. The display screen 11 displays the heating temperature, and the operation buttons are used to adjust the heating temperature and time. If the side of the instrument base 1 with the display screen 11 is the front end, then the side facing away from the display screen 11 is the rear end. A groove 12 is provided at the rear end of the instrument base 1, and a drawer 13 slides within the groove 12. A stirring magnet 14 is placed inside the drawer 13, which is suitable for stirring liquids in a beaker. The drawer 13 makes it convenient to access the stirring magnet 14 during use.

[0029] The drawer 13 has a raised edge integrally formed on the side near the rear end of the instrument base 1. A groove is formed on the side of the raised edge near the front end of the instrument base 1, and a magnetic ring 131 is fixedly attached to the groove with adhesive. Since the instrument base 1 is a metal base, when the drawer 13 is located in the groove 12, the magnetic ring 131 is attracted to the base, making it difficult for the drawer 13 to open due to shaking and causing the stirring magnet 14 to fall off. A pull hole is formed on the side of the drawer 13 near the rear end of the instrument base 1. When the drawer 13 needs to be pulled out, the operator can insert their finger into the pull hole to pull it out.

[0030] Reference Figure 2 and Figure 3 The stirring magnet 14 has multiple slots 141 spaced apart on one side, and a stirring magnetic blade 15 is inserted into each slot 141, protruding from the slot 141. Both the stirring magnet 14 and the stirring magnetic blade 15 are magnets, so the stirring magnetic blade 15 attracts each other after insertion, making the connection convenient and stable. The stirring magnetic blade 15 is inclined on the stirring magnet 14, so the stirring magnetic blade 15 experiences less resistance when the stirring magnet 14 rotates, allowing for better liquid cutting. Depending on the viscosity of the liquid, the stirring magnetic blade 15 can be quickly replaced to maintain stirring efficiency, which is less costly than replacing the entire stirring magnet 14. Both the outer surfaces of the stirring magnet 14 and the stirring magnetic blade 15 are coated with polytetrafluoroethylene (PTFE).

[0031] Combination Figure 2 Reference Figure 4 and Figure 5 The metal outer shell 22 has an open top and a 90-degree inward bend at the top edge 23. Inside the metal outer shell 22 is a clay ring 24 located at the bottom of the bend 23, with its outer wall abutting against the inner wall of the metal outer shell 22. The inner liner 21 is located inside the clay ring 24, with its inner wall abutting against the outer wall of the inner liner 21. This design provides good heat insulation, preventing heat loss and heat transfer to the metal outer shell 22, thus minimizing the risk of burns to the operator.

[0032] Combination Figure 4 Reference Figure 5 and Figure 6 In this embodiment, the inner liner 21 is preferably made of glass fiber and metal heating wire. The metal heating wire and glass fiber work together to maintain the specific shape of the inner liner 21 and to heat the beaker evenly. Multiple connectors 211 are provided on the outer wall of the top of the inner liner 21, arranged circumferentially around the outer perimeter of the inner liner 21. Each connector 211 is fitted with a silicone part 25, which is snapped into the flange 23, thereby snapping the inner liner 21 into the metal outer shell 22.

[0033] The connector 211 has multiple through holes spaced apart at its top, which penetrate the connector 211. A slot 141 is provided on the side of the silicone part 25 near the inner liner 21. High-temperature resistant adhesive is applied to the connector 211 and inside the through holes. After the connector 211 is inserted into the slot 141, it is fixedly connected to the silicone part 25 by adhesive. The adhesive can penetrate into the through holes to increase its content and viscosity. When the adhesive in the through holes solidifies, it makes the connection between the silicone part 25 and the connector 211 more stable and secure.

[0034] Combination Figure 4 Reference Figure 5 and Figure 6 The top of the flange 23 has a groove, the number of which corresponds to the number of silicone parts 25. The silicone parts 25 are located in the groove, and their tops are exposed to the air. Each silicone part 25 has a snap-fit ​​structure 26 at its bottom, which is suitable for snapping the silicone part 25 to the flange 23, thereby snapping the inner liner 21 to the metal outer shell 22. The top of the silicone part 25 has an integrally formed pinch piece 27. When releasing the snap-fit ​​connection between the silicone part 25 and the flange 23, the operator can pinch the pinch piece 27 with their fingers and then apply force to pull the silicone part 25 out of the groove, which is quite convenient.

[0035] The snap-fit ​​structure 26 includes a silicone cylinder 261 and a silicone hemisphere 262. The silicone cylinder 261 is integrally formed on the bottom of the silicone part 25, and the silicone hemisphere 262 is located at the bottom of the silicone cylinder 261, and the silicone hemisphere 262 is integrally formed with the silicone cylinder 261. The silicone cylinder 261 and the silicone hemisphere 262 are concentrically arranged, and the outer diameter of the silicone hemisphere 262 is larger than the outer diameter of the silicone cylinder 261. A snap-fit ​​hole 231 is provided at the bottom of the groove, and the snap-fit ​​hole 231 penetrates the flange 23. The diameter of the snap-fit ​​hole 231 is the same as the outer diameter of the silicone cylinder 261. When the silicone part 25 is snapped into the flange 23, the silicone hemisphere 262 is first placed at the opening of the snap-fit ​​hole 231. Then, the silicone part 25 is pressed, causing the silicone hemisphere 262 to deform and insert into the snap-fit ​​hole 231, passing through the snap-fit ​​hole 231 and located at the bottom of the flange 23. When the silicone hemisphere 262 is at the bottom of the flange 23, it returns to its initial state, and in this state, the outer diameter of the silicone hemisphere 262 is larger than the diameter of the snap-fit ​​hole 231, thus making the silicone part 25 snapped into the flange 23. For disassembly, simply pull the silicone hemisphere 262 out from the bottom of the flange 23 through the snap-fit ​​hole 231.

[0036] It is worth noting that the heating jacket 2 requires a maximum temperature of 120℃ in actual testing; the selected silicone part 25 is heat-resistant to 200℃; and the adhesive used to fix the silicone part 25 and the connector 211 is heat-resistant to 200℃.

[0037] The implementation principle of the magnetic heating and stirring device with digital display temperature control in this application embodiment is as follows: A silicone component 25 is additionally fixed on the inner liner 21. The silicone component 25 is snapped to the metal outer shell 22 through a snap-fit ​​structure 26, so that the entire inner liner 21 is also snapped to the metal outer shell 22. The snap-fit ​​position between the silicone component 25 and the metal outer shell 22 is located at the top of the metal outer shell 22, and the pinch tab 27 at the top of the silicone component 25 is exposed to the air and suspended. When the inner liner 21 needs to be disassembled, simply pinch the pinch tab 27 and pull out the silicone component 25 to release the snap-fit ​​relationship of the snap-fit ​​structure 26. When installing the inner liner 21, simply press the silicone component 25. The operation is convenient and improves the ease of disassembling the inner liner 21.

[0038] Similarly, the components included in the "components," "mechanisms," and "devices" of this disclosure can also be flexibly combined. They can be modularly produced according to actual needs and assembled as an independent module; or they can be assembled separately to form a module in this device. The division of the above-mentioned components in this disclosure is only one embodiment for ease of reading and is not intended to limit the scope of protection of this disclosure. Any technical solution that includes the above-mentioned components and has the same function should be understood as an equivalent technical solution of this disclosure.

[0039] In the description of this disclosure, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0040] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include at least one of that feature. In the description of this disclosure, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0041] In this disclosure, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0042] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0043] It should be noted that when a component is referred to as "fixed to," "set on," "fixed to," or "mounted on" another component, it can be directly on the other component or there may be an intervening component. When a component is considered to be "connected to another component," it can be directly connected to the other component or there may be an intervening component. Furthermore, when a component is considered to be "fixedly connected" to another component, the connection can be detachable or non-detachable, such as through socketing, snap-fitting, integral molding, welding, etc., which are achievable in conventional technologies and will not be elaborated upon here.

[0044] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0045] The above embodiments are merely illustrative of several implementation methods of this disclosure, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept of this disclosure, and these modifications and improvements all fall within the protection scope of this disclosure.

Claims

1. A magnetic heating and stirring device with digital display temperature control, characterized in that: The instrument includes an instrument base (1) and a heating sleeve (2). The heating sleeve (2) is located on the top of the instrument base (1). The heating sleeve (2) includes an inner liner (21) and a metal outer shell (22). A silicone part (25) is fixedly connected to the outer side wall of the top of the inner liner (21). Multiple silicone parts (25) are spaced apart around the inner liner (21). Each silicone part (25) is provided with a snap-fit ​​structure (26). The snap-fit ​​structure (26) is adapted to snap-fit ​​onto the top of the metal outer shell (22). The top of the silicone part (25) is exposed to the air. The inner liner (21) is snap-fitted to the metal outer shell (22) through the snap-fit ​​structure (26).

2. The magnetic heating and stirring device with digital display temperature control according to claim 1, characterized in that: The outer side wall of the top of the inner liner (21) is integrally formed with a connector (211), and the silicone part (25) is fixedly connected to the connector (211).

3. The magnetic heating and stirring device with digital display temperature control according to claim 2, characterized in that: The silicone part (25) has a slot (141) on the side near the inner liner (21), the connector (211) is inserted into the slot (141), and the connector (211) is fixedly connected to the silicone part (25) by adhesive.

4. The magnetic heating and stirring device with digital display temperature control according to claim 3, characterized in that: The connector (211) is provided with multiple through holes at intervals.

5. The magnetic heating and stirring device with digital display temperature control according to claim 1, characterized in that: The snap-fit ​​structure (26) includes a silicone cylinder (261) and a silicone hemisphere (262) fixedly disposed at the bottom of the silicone part (25). The silicone cylinder (261) and the silicone hemisphere (262) are concentric. The silicone hemisphere (262) is located at the bottom of the silicone cylinder (261), and the outer diameter of the silicone hemisphere (262) is larger than the outer diameter of the silicone cylinder (261). The top of the metal shell (22) is bent inward with a flange (23). A snap-fit ​​hole (231) is provided on the flange (23). The diameter of the snap-fit ​​hole (231) is the same as the outer diameter of the silicone cylinder (261). The silicone hemisphere (262) is located on the bottom side of the flange (23) and abuts against the flange (23).

6. The magnetic heating and stirring device with digital display temperature control according to claim 5, characterized in that: The bottom of the flange (23) is provided with a clay ring (24), the outer peripheral wall of the clay ring (24) abuts against the inside of the metal shell (22), and the inner peripheral wall of the clay ring (24) abuts against the outer peripheral wall of the inner liner (21).

7. The magnetic heating and stirring device with digital display temperature control according to claim 1, characterized in that: The top of the silicone part (25) is fixedly provided with a pinch piece (27).

8. The magnetic heating and stirring device with digital display temperature control according to claim 1, characterized in that: The instrument base (1) has a groove (12) at its rear end, and a drawer (13) is slidably provided in the groove (12), and a stirring magnet (14) is placed in the drawer (13).

9. The magnetic heating and stirring device with digital display temperature control according to claim 8, characterized in that: The drawer (13) is provided with a magnetic ring (131), the instrument base (1) is made of metal, and when the drawer (13) is located in the groove (12), the magnetic ring (131) is attracted to the instrument base (1).

10. The magnetic heating and stirring device with digital display temperature control according to claim 8, characterized in that: The stirring magnet (14) has a slot (141) on one side, and a stirring magnetic blade (15) is inserted into the slot (141). The stirring magnetic blade (15) protrudes from the slot (141) and is attracted to the stirring magnet (14).

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