A device for testing the corrosiveness of a tobacco leaf protectant
By employing a vacuum insulation structure for the outer and inner shells, along with sealing rings and bottle mouth sealing plates in the tobacco protective agent testing device, the problems of poor sealing and room temperature influence were solved, resulting in highly efficient test results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HONGYUN HONGHE TOBACCO (GRP) CO LTD
- Filing Date
- 2025-08-25
- Publication Date
- 2026-07-24
Smart Images

Figure CN224553245U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of testing equipment technology, specifically to a corrosiveness testing device for tobacco leaf protectants. Background Technology
[0002] In the processing of tobacco leaves, there is a process called tobacco re-drying, which refers to the second drying of the pre-processed raw tobacco. The main purpose is to adjust the moisture content of the tobacco leaves. After re-drying, a protective agent needs to be sprayed on the tobacco leaves to ensure safe storage. In order to evaluate the protective effect of the protective agent on the tobacco leaves and whether it has a corrosive effect, it is usually necessary to conduct an evaluation of the effect of the protective agent on the tobacco leaves before use. However, the existing tobacco protective agent testing devices have poor sealing performance and are easily affected by room temperature, which leads to the loss of volatile components and affects the test results. In order to overcome this technical problem, this utility model proposes a corrosiveness testing device for tobacco protective agents. Utility Model Content
[0003] The purpose of this invention is to provide a corrosiveness testing device for tobacco leaf protectants, with the aim of improving the device's sealing and room temperature isolation to prevent the volatilization of the protectant.
[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0005] A corrosion testing device for a tobacco leaf protectant includes a box and a lid, with the lid covering the box. The box includes an outer shell and an inner shell, with the inner shell fixedly disposed within the outer shell and a vacuum insulation cavity formed between the side wall of the inner shell and the side wall of the outer shell. A heating element is disposed in the vacuum insulation cavity. A sealing groove is disposed on the top of the outer shell. A sealing ring and a bottle mouth sealing plate for covering the mouth of the test bottle are disposed on the bottom surface of the lid, with the sealing ring corresponding to the sealing groove.
[0006] The bottom of the outer shell is connected to a base plate by a spring. The base plate is equipped with a vibration mechanism for driving the shell to vibrate. A baffle is slidably arranged on the outer side of the base plate.
[0007] Furthermore, it also includes an internal support plate, which is set at the port of the inner shell. Multiple placement openings are spaced apart on the internal support plate, and the bottle mouth sealing plate corresponds to each placement opening.
[0008] Furthermore, the bottom of the inner shell is provided with a bottle base, and the bottle base is provided with multiple placement slots, each of which corresponds to a bottle mouth sealing plate.
[0009] Furthermore, a handle is provided on the upper surface of the box cover, and a pressure head is provided on the bottom surface of the box cover for pressing down the internal support plate.
[0010] Furthermore, the bottom of the base plate is provided with foot pads, and studs are provided on both sides of the base plate. The baffle is provided with slots on both sides, and the studs pass through the slots and are threaded with butterfly caps.
[0011] Furthermore, when the stud is fastened to the lower hole of the slot, the upper part of the baffle surrounds the lower side wall of the outer shell. When the stud is fastened to the upper hole of the slot, the bottom surface of the baffle is flush with the bottom surface of the foot pad and the upper part of the baffle is detached from the outer shell.
[0012] Furthermore, the vibration mechanism includes a motor, a motor mounting slot, a cam, and a bottom cylinder. The bottom cylinder is integrally disposed at the bottom of the outer shell, the motor mounting slot is integrally disposed on the base plate and the motor is disposed in the motor mounting slot, and the output end of the motor is provided with a cam, the outer side of which contacts the outer circumference of the bottom cylinder.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] This utility model sets the box body as an outer shell and an inner shell with a vacuum insulation cavity between them, thereby isolating the test bottle from the external room temperature. A sealing ring and a bottle mouth sealing plate are set on the box lid. The sealing ring seals the box body and the bottle mouth sealing plate seals the test bottle, thereby improving the sealing performance of the device and preventing volatile substances from escaping.
[0015] In addition, a heating element is provided in the vacuum insulation cavity of this utility model to provide conditions for testing under high temperature conditions. A spring and a vibration mechanism are provided at the bottom of the chamber to shake the protective agent and other reagents in batches. A baffle is slidably provided on the outside of the bottom plate and tightened by a butterfly cap so that it can be put down when shaking is required and slid up and fixed when shaking is not required, to prevent human-caused shaking of the chamber. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model.
[0017] Figure 2 This is a schematic diagram showing the lid of the box located at the back of the box.
[0018] In the diagram, 1-box cover, 2-box body, 2a-outer shell, 2b-inner shell, 2c-vacuum insulation cavity, 2d-sealing groove, 2e-heating element, 3-sealing ring, 4-pressure head, 5-bottle mouth sealing plate, 6-handle, 7-inner support plate, 7a-placement opening, 8-bottle base, 8a-placement groove, 9-baffle, 9a-strip hole, 10-bottom plate, 11-stud, 12-butterfly cap, 13-foot pad, 14-spring, 15-motor fixing groove, 16-motor, 17-cam, 18-bottom cylinder. Detailed Implementation
[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0020] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.
[0021] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0022] refer to Figure 1-2 As shown, this utility model provides a corrosiveness testing device for tobacco leaf protectants, including a box body 2 and a box cover 1. The box cover 1 is placed on the box body 2. The box body 2 includes an outer shell 2a and an inner shell 2b. Preferably, the outer shell 2a is made of plastic, and the inner shell 2b is made of stainless steel. The inner shell 2b is fixedly disposed in the outer shell 2a, and a vacuum insulation cavity 2c is formed between the side wall of the inner shell 2b and the side wall of the outer shell 2a. A heating element 2e is disposed in the vacuum insulation cavity 2c, and heat is generated by the heating element 2e. The heat generated raises the ambient temperature inside the inner shell 2b, facilitating testing in a high-temperature environment. A sealing groove 2d is provided on the top of the outer shell 2a. A sealing ring 3 and a bottle mouth sealing plate 5 for covering the bottle mouth of the test bottle are provided on the bottom surface of the box cover 1. The bottle mouth sealing plate 5 covers the test bottle to prevent the evaporation of the reagent and improve the sealing performance. The sealing ring 3 corresponds to the sealing groove 2d. When the box cover 1 is placed on the box body 2, the sealing ring 3 is located in the sealing groove 2d, which further improves the sealing performance.
[0023] The device also includes an internal support plate 7, which is located at the port of the inner shell 2b. Multiple placement openings 7a are spaced apart on the internal support plate 7, and the bottle mouth sealing plate 5 corresponds to each placement opening 7a. A bottle base 8 is provided at the bottom of the inner shell 2b, and multiple placement slots 8a are provided on the bottle base 8, which correspond to each bottle mouth sealing plate 5. The internal support plate 7 and the placement slots 8a are used to regulate the placement of test bottles and prevent test bottles from tipping over or colliding.
[0024] In some embodiments, a handle 6 is provided on the upper surface of the box cover 1, and a pressure head 4 for pressing down the inner support plate 7 is also provided on the bottom surface of the box cover 1.
[0025] The bottom of the outer shell 2a is connected to a base plate 10 via a spring 14. The base plate 10 is provided with a vibration mechanism for driving the box 2 to vibrate. A baffle 9 is slidably provided on the outer side of the base plate 10. The baffle 9 can be a square frame or a circular structure, depending on the design of the outer perimeter of the outer shell 2a.
[0026] The bottom of the base plate 10 is provided with a foot pad 13. In order to fix the baffle 9 after sliding, studs 11 are provided on both sides of the base plate 10. The baffle 9 is provided with slots 9a on both sides. The studs 11 pass through the slots 9a and are threaded with butterfly caps 12. More specifically, when the studs 11 are fastened to the lower part of the slots 9a, the upper part of the baffle 9 surrounds the lower side wall of the outer shell 2a. When the studs 11 are fastened to the upper part of the slots 9a, the bottom surface of the baffle 9 is flush with the bottom surface of the foot pad 13 and the upper part of the baffle 9 is detached from the outer shell 2a. The purpose of sliding the baffle 9 is to prevent the housing 2 from being shaken accidentally or manually when shaking is not required. In this case, the baffle 9 should be slid up so that it can surround the lower side wall of the outer shell 2a. In this state, the housing 2 cannot be shaken. When shaking is required, the baffle 9 should be slid down so that the baffle 9 is separated from the housing 2. Only in this way can the housing 2 be shaken by the spring 14 and the vibration mechanism.
[0027] In some embodiments, the vibration mechanism includes a motor 16, a motor mounting slot 15, a cam 17, and a bottom cylinder 18. The bottom cylinder 18 is integrally disposed at the bottom of the outer casing 2a. The motor mounting slot 15 is integrally disposed on the base plate 10, and the motor 16 is disposed in the motor mounting slot 15. The output end of the motor 16 is provided with a cam 17, which contacts the outer periphery of the bottom cylinder 18. The motor 16 drives the cam 17 to rotate, and under the action of the spring 14, the housing 2 can vibrate.
[0028] Although the present invention has been described herein with reference to several illustrative embodiments, it should be understood that those skilled in the art can devise many other modifications and implementations that fall within the scope and spirit of the principles disclosed herein. More specifically, various modifications and improvements can be made to the components or layout of the subject matter arrangement within the scope of the disclosure, drawings, and claims. Besides modifications and improvements to the components or layout, other uses will be apparent to those skilled in the art.
Claims
1. A corrosivity testing apparatus for a tobacco leaf protectant, comprising a chamber (2) and a cover (1), the cover (1) being disposed on the chamber (2), characterized in that: The box (2) includes an outer shell (2a) and an inner shell (2b). The inner shell (2b) is fixedly installed in the outer shell (2a), and a vacuum insulation cavity (2c) is formed between the side wall of the inner shell (2b) and the side wall of the outer shell (2a). A heating element (2e) is installed in the vacuum insulation cavity (2c). A sealing groove (2d) is installed on the top of the outer shell (2a). A sealing ring (3) and a bottle mouth sealing plate (5) for covering the bottle mouth of the test bottle are provided on the bottom surface of the box cover (1). The sealing ring (3) corresponds to the sealing groove (2d). The bottom of the outer shell (2a) is connected to a base plate (10) by a spring (14). A vibration mechanism for driving the box (2) to vibrate is provided on the base plate (10). A baffle (9) is slidably provided on the outer side of the base plate (10).
2. The corrosivity testing apparatus for a tobacco leaf protectant according to claim 1, characterized in that: It also includes an inner support plate (7), which is set at the port of the inner shell (2b). Multiple placement ports (7a) are spaced apart on the inner support plate (7), and the bottle mouth sealing plate (5) corresponds one-to-one with the placement port (7a).
3. The corrosivity testing apparatus for a tobacco leaf protectant according to claim 1, characterized in that: The bottom of the inner shell (2b) is provided with a bottle base (8), and the bottle base (8) is provided with a plurality of placement slots (8a), which correspond one-to-one with the bottle mouth sealing plate (5).
4. The corrosivity testing apparatus for a tobacco leaf protectant according to claim 1, characterized in that: The upper surface of the box cover (1) is provided with a handle (6), and the bottom surface of the box cover (1) is also provided with a pressure head (4) for pressing down the support plate (7) inside the box.
5. The corrosivity testing apparatus for a tobacco leaf protectant according to claim 1, characterized in that: The bottom of the base plate (10) is provided with a foot pad (13), and studs (11) are provided on both sides of the base plate (10). The baffle (9) is provided with a slot (9a) on both sides. The stud (11) passes through the slot (9a) and a butterfly cap (12) is threaded onto the stud (11).
6. The corrosivity testing apparatus for a tobacco leaf protectant according to claim 5, characterized in that: When the stud (11) is fastened to the lower hole of the slot (9a), the upper part of the baffle (9) surrounds the lower side wall of the outer shell (2a). When the stud (11) is fastened to the upper hole of the slot (9a), the bottom surface of the baffle (9) is flush with the bottom surface of the foot pad (13) and the upper part of the baffle (9) is detached from the outer shell (2a).
7. The corrosivity testing apparatus for a tobacco leaf protectant according to claim 1, characterized in that: The vibration mechanism includes a motor (16), a motor mounting slot (15), a cam (17), and a bottom cylinder (18). The bottom cylinder (18) is integrally set at the bottom of the outer shell (2a). The motor mounting slot (15) is integrally set on the base plate (10), and the motor (16) is set in the motor mounting slot (15). The output end of the motor (16) is provided with a cam (17), and the outer periphery of the bottom cylinder (18) is in contact with the outer side of the cam (17).