Water bath heating device for synthesizing quinclorac oxadiazon

Abstract

The utility model relates to the technical field of quinclorac-oxadiazon synthesis appliances, in particular to a water bath heating device for quinclorac-oxadiazon synthesis, which comprises a heating box body, a cover body, a water bath heating device, a water bath heating device and a water bath heating device, the lifting assembly is arranged on the cover body and comprises a supporting frame, the supporting frame is in threaded connection with the interior of a screw hole in a rotary disc, the rotary disc is rotationally connected to the cover body, the rotary disc is connected with a driving part, and a limiting rod used for limiting rotation of the supporting frame is further arranged on the cover body. By arranging the lifting assembly, a container containing a reaction solution is placed on the supporting frame, when the supporting frame is located in the heating box body, rapid water bath heating is conducted on the container, when the reaction tends to be finished, the driving piece drives the rotating disc to rotate, and due to the fact that the supporting frame is limited by the limiting rod, the rotating disc rotates to drive the supporting frame to ascend; therefore, the reaction condition at the bottom of the container can be observed visually, operation is simple, and safety is high.

Description

Technical Field

[0001] This utility model relates to the technical field of apparatus for synthesizing dichloroquinoline ketone, specifically to a water bath heating device for the synthesis of dichloroquinoline ketone. Background Technology

[0002] Quincloprid is a weed control product developed by Beijing Fagaiyin Technology Co., Ltd. The pure product is a uniform light yellow powder with no irritating odor. It is effective against barnyard grass, crabgrass, knotweed, and edelweiss, and is particularly effective against barnyard grass controlled by penflusulfonamide. It is also effective against broadleaf weeds in paddy fields, such as duckweed and amaranth. Furthermore, it is fast-acting; after the weeds absorb the herbicide, yellowing symptoms appear in the meristematic tissue within 3-5 days, followed by necrotic spots, which spread throughout the entire plant within 1-2 weeks, eventually leading to whitening and death.

[0003] In the existing synthesis of quinclorac, specifically in the acylation reaction step, a water bath is required to dissolve the acylating agent. The acylating agent is first added to an organic solvent, and then the water bath is heated to 70-80°C to completely dissolve it, which is then held at that temperature for later use. However, existing laboratory water bath heating devices, for rapid heating, typically place the bottom of the container on an internal support within the water bath, making it impossible to directly observe the reaction below the heated container. Furthermore, due to the high temperature of the water bath, repeated direct handling for observation poses a risk of burns. Utility Model Content

[0004] The purpose of this invention is to provide a water bath heating device for the synthesis of quinclorac ketone, in order to overcome the above-mentioned shortcomings in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A water bath heating device for the synthesis of quinclorac ketone includes a heating chamber housing an electric heater, and further includes a cover housing placed on the heating chamber housing; a lifting assembly housing on the cover housing, including a support frame threadedly connected to a screw hole on a turntable, the turntable being rotatably connected to the cover housing, the turntable being connected to a drive component, and a limiting rod on the cover housing for restricting the rotation of the support frame.

[0007] Furthermore, the support frame includes a base plate, a screw is fixedly connected to one side of the base plate, the screw is threadedly connected to the screw hole, and a limit groove is formed on one side of the base plate, the limit groove is slidably connected to the limit rod.

[0008] Furthermore, the driving component includes a worm gear fixedly disposed on the outside of the turntable, the worm gear being concentrically disposed with the turntable, and a worm being meshed on the worm gear, the worm being rotatably disposed on the cover.

[0009] Furthermore, multiple lifting components are provided, and each worm gear is fixedly connected to a control rod. The control rod and the worm gear are concentrically arranged, and the control rod is rotatably connected to the cover.

[0010] Furthermore, multiple top rods are fixedly installed on the side of the base plate facing the cover.

[0011] Furthermore, the base plate has multiple openings.

[0012] The beneficial effects of the water bath heating device for the synthesis of quinclorac ketone provided by this utility model in the above technical solution are as follows:

[0013] The device uses a lifting assembly to place the container of the reaction solution onto a support frame. When the support frame is inside the heating chamber, the container is rapidly heated by a water bath. As the reaction nears completion, the drive unit rotates the turntable. Since the support frame is limited by the limit rod, the rotation of the turntable causes the support frame to rise, making it easy to observe the reaction at the bottom of the container. The operation is simple and safe.

[0014] It should be understood that the foregoing general description and the following detailed description are exemplary and illustrative only, and are not intended to limit this disclosure.

[0015] This application provides an overview of various implementations or examples of the technology described in this disclosure, and is not a full disclosure of the entire scope or all features of the disclosed technology. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0017] Figure 1 A schematic diagram of the overall structure provided for an embodiment of this utility model;

[0018] Figure 2 This is a partially enlarged structural diagram of embodiment A of the present utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the heating box provided in an embodiment of the present utility model;

[0020] Figure 4 A schematic diagram of the lifting component structure provided in an embodiment of this utility model.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Heating chamber; 11. Electric heater; 2. Cover; 3. Lifting assembly; 31. Support frame; 311. Base plate; 312. Screw; 313. Limiting groove; 314. Top rod; 315. Opening; 32. Turntable; 33. Limiting rod; 4. Drive component; 41. Worm gear; 42. Worm; 5. Control lever. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0024] Please see Figure 1-4 A water bath heating device for the synthesis of quinclorac ketone includes a heating chamber 1, within which an electric heater 11 is installed. It also includes a cover 2 placed on the heating chamber 1; and a lifting assembly 3 mounted on the cover 2, comprising a support frame 31 threadedly connected to a screw hole in a turntable 32, which is rotatably connected to the cover 2 and connected to a drive component 4. The cover 2 also has a limiting rod 33 for restricting the rotation of the support frame 31. A slot is formed in the cover 2 to allow a container to pass through.

[0025] The container of the reaction solution is placed on the support frame 31. When the support frame 31 is inside the heating chamber 1, the container is rapidly heated by a water bath. When the reaction is about to end, the drive component 4 drives the turntable 32 to rotate. Since the support frame 31 is restricted by the limiting rod 33, the rotation of the turntable 32 drives the support frame 31 to rise, which makes it easy to observe the reaction at the bottom of the container. The operation is simple and safe.

[0026] Furthermore, the support frame 31 includes a base plate 311, a screw 312 is fixedly connected to one side of the base plate 311, the screw 312 is threadedly connected to the screw hole, and a limiting groove 313 is formed on one side of the base plate 311, the limiting groove 313 is slidably connected to the limiting rod 33.

[0027] Since the base plate 311 cannot rotate due to the restriction of the limiting rod 33, the rotation of the turntable 32 drives the screw 312 connected to it to rise and fall, and the rise and fall of the screw 312 drives the base plate 311 to rise and fall synchronously.

[0028] Furthermore, the driving component 4 includes a worm gear 41 fixedly disposed on the outside of the turntable 32. The worm gear 41 and the turntable 32 are concentrically disposed. A worm 42 is meshed on the worm gear 41. The worm 42 is rotatably disposed on the cover 2.

[0029] Rotating the worm gear 42 drives the worm wheel 41 to rotate, which in turn drives the turntable 32 to rotate, thereby raising and lowering the support frame 31. By utilizing the self-locking characteristics of the worm wheel 41 and worm gear 42, the support frame 31 can automatically lock in that position after the height is adjusted, further improving the convenience of operation.

[0030] Furthermore, the lifting assembly 3 is provided in multiple parts, and each of the worm gears 42 is fixedly connected to the control rod 5. The control rod 5 and the worm gear 42 are concentrically arranged, and the control rod 5 is rotatably connected to the cover 2.

[0031] The control lever 5 can control the rotation of multiple worm gears 42, thereby enabling the synchronous adjustment of multiple support frames 31, further facilitating operation by the user.

[0032] Furthermore, a plurality of top rods 314 are fixedly installed on the side of the base plate 311 facing the cover 2. A plurality of openings 315 are provided on the base plate 311. The top rods 314 are used to support the container, thereby increasing the contact area between the bottom of the container and the water and improving the heating speed; the openings 315 facilitate the flow of water in the heating chamber 1, making it easier to keep the water temperature in the heating chamber 1 consistent.

[0033] Working principle: Rotating the control lever 5 drives multiple worm gears 42 to rotate synchronously. The rotation of the worm gears 42 drives the worm wheel 41 to rotate, and the rotation of the worm wheel 41 drives the turntable 32 to rotate. Since the support frame 31 is restricted by the limit rod 33, the rotation of the turntable 32 drives the support frame 31 to rise, thus facilitating direct observation of the reaction at the bottom of the container. The operation is simple and safe.

[0034] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A water bath heating device for the synthesis of quinclorac ketone, comprising a heating chamber (1), wherein an electric heater (11) is provided inside the heating chamber (1), characterized in that: Also includes: The cover (2) is placed on the heating box (1); The lifting assembly (3) is mounted on the cover (2) and includes a support frame (31). The support frame (31) is threaded into a screw hole on the turntable (32). The turntable (32) is rotatably connected to the cover (2). The turntable (32) is connected to the drive component (4). The cover (2) is also provided with a limiting rod (33) for limiting the rotation of the support frame (31).

2. The water bath heating apparatus for the synthesis of quinclorac ketone according to claim 1, characterized in that, The support frame (31) includes a base plate (311), a screw (312) is fixedly connected to one side of the base plate (311), the screw (312) is threadedly connected to the screw hole, and a limiting groove (313) is opened on one side of the base plate (311), the limiting groove (313) is slidably connected to the limiting rod (33).

3. The water bath heating device for the synthesis of quinclorac ketone according to claim 2, characterized in that, The driving component (4) includes a worm wheel (41) fixedly disposed on the outside of the turntable (32). The worm wheel (41) and the turntable (32) are concentrically disposed. A worm (42) is meshed on the worm wheel (41). The worm (42) is rotatably disposed on the cover (2).

4. The water bath heating device for the synthesis of quinclorac ketone according to claim 3, characterized in that, The lifting assembly (3) is provided in multiple parts, and each of the worm gears (42) is fixedly connected to the control rod (5). The control rod (5) and the worm gear (42) are concentrically arranged, and the control rod (5) is rotatably connected to the cover (2).

5. The water bath heating device for the synthesis of quinclorac ketone according to claim 2, characterized in that, Multiple top rods (314) are fixedly installed on the side of the base plate (311) facing the cover (2).

6. The water bath heating apparatus for the synthesis of quinclorac ketone according to claim 5, characterized in that, The base plate (311) has multiple openings (315).

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