Vacuum sealing structure for heating tube of vacuum oven

By designing a vacuum-sealed structure for the heating element of a vacuum oven in a battery baking device, the problems of unreliable dynamic insertion and removal of heating components under vacuum and vacuum discharge are solved, ensuring the safety and reliability of the equipment and reducing maintenance frequency and cost.

CN223909989UActive Publication Date: 2026-02-13SHENZHEN LISHIZHI TECH CO LTD
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Patent Information

Application Number
CN202521073508.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-28
Publication Date
2026-02-13
Estimated Expiration
2035-05-28

AI Technical Summary

Technical Problem

Existing battery baking equipment suffers from problems such as unreliable dynamic insertion and removal of heating components under vacuum conditions, high maintenance frequency, risk of vacuum discharge, and deterioration of electrochemical performance. Furthermore, exposed high-voltage power connectors are prone to vacuum discharge.

Method used

A vacuum sealing structure for the heating element of a vacuum oven is designed. The heating element is fixedly installed inside the oven cavity, and the wiring terminals of the heating element are sealed and fixed outside the cavity. The internal vacuum environment is isolated by the sealing ring and sealing flange, avoiding dynamic insertion and removal, ensuring safety and stability and preventing vacuum discharge.

Benefits of technology

This technology enables safe and stable power supply to the heating element under vacuum conditions, avoiding the risk of vacuum discharge, improving the reliability and service life of the equipment, and reducing maintenance costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223909989U_ABST
Patent Text Reader

Abstract

The utility model discloses a vacuum sealing structure for a heating tube of a vacuum oven, which relates to the technical field of new energy and comprises a cavity sealing plate, a sealing flange plate is arranged at the top of the cavity sealing plate, and a heating tube sealing head is mounted at the top of the sealing flange plate in a penetrating manner; according to the utility model, the heating component is fixedly arranged in the oven cavity, and the wiring end of the heating tube is sealed and fixed outside the oven cavity, so that the internal working environment of the oven is isolated from the external wiring section, and when the oven works in a vacuum state, the oven is safe and stable, the efficiency is improved, and the external wiring area thoroughly eradicates the risk of vacuum discharge from the root cause; and dynamic plug-in power taking is not needed, and reliability and durability are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to new energy technology field, concretely relates to a vacuum sealing structure of vacuum oven heating tube. BACKGROUND

[0002] There is a heating component installed on the battery tray in the battery baking equipment, the heating component flows with the tray, needs dynamic plug, and each plug point is an unreliable point, the maintenance frequency and maintenance cost are very high, vacuum baking can remove moisture and impurities, and the battery performance is improved, but in the discharging process, the vacuum environment can have an adverse effect on the electrochemical performance of the battery, resulting in the decline of the battery performance, and some harmful substances can be generated in the vacuum discharging process, and the substances need to be properly handled to avoid pollution to the environment, and the high-voltage power supply connector exposed in the vacuum state is easy to produce vacuum discharge, once the vacuum discharge, the corresponding components will be broken down or on fire, so the patent is to solve the problem of the intelligent oven in the vacuum state and the sealing problem of the heating tube.

[0003] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a vacuum sealing structure of vacuum oven heating tube, and solve the problems in the background art.

[0005] To solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0006] A vacuum sealing structure of vacuum oven heating tube, comprising: a cavity sealing plate, characterized in that the cavity sealing plate top is provided with a sealing flange plate, the sealing flange plate top is provided with a heating tube sealing head penetratingly installed, the heating tube sealing head top is provided with a compression nut sleeved, a sealing ring pressing ring is arranged between the compression nut and the heating tube sealing head, and the sealing ring pressing ring bottom is provided with a sealing ring.

[0007] Optionally, the heating tube sealing head is provided with two groups on the sealing flange plate.

[0008] Optionally, the sealing flange plate bottom and the cavity sealing plate bottom are provided with sealing flange rubber strips.

[0009] Optionally, the sealing flange plate top is provided with a cover, and the cover one side is provided with a baffle.

[0010] Optionally, the cavity sealing plate, the heating tube sealing head, the compression nut, the sealing flange plate, the cover and the baffle are all made of stainless steel.

[0011] Compared with the prior art, the utility model has the following beneficial effects, of course, any product of the utility model does not necessarily need to achieve all the advantages described below:

[0012] The vacuum sealing structure of the vacuum oven heating tube is designed in view of the defect of dynamic power taking under the vacuum state, the heating component is fixedly installed in the oven cavity, the heating tube wiring end is sealed and fixed outside the oven cavity, the internal working environment of the oven and the external wiring section are isolated, when working under the vacuum state, it is safe and stable, the efficiency is improved, the external wiring area completely eliminates the vacuum discharge risk from the root cause, and dynamic plug-in power taking is not needed, and it is extremely reliable and durable.

[0013] The specific embodiments of the utility model will be further described in detail below in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0015] In the drawings:

[0016] Fig. 1 It is a structural schematic diagram of the utility model;

[0017] Fig. 2 It is a bottom schematic diagram of the utility model;

[0018] Fig. 3 It is an explosion view of the heating tube sealing head of the utility model.

[0019] In the drawings, the component list represented by each sign is as follows:

[0020] 1, cavity sealing plate; 2, heating tube sealing head; 3, sealing ring; 4, sealing ring pressing ring; 5, pressing nut; 6, sealing flange rubber strip; 7, sealing flange plate; 8, cover; 9, baffle.

[0021] It should be noted that these drawings and textual descriptions are not intended to limit the concept range of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0022] The utility model will be further described in detail in combination with the drawings.

[0023] Please refer to Figs. 1-3 As shown in the drawings, a vacuum oven heating tube vacuum sealing structure is provided in the embodiment, which comprises a cavity sealing plate 1.

[0024] As Figs. 1-3As shown, the cavity sealing plate 1 of the embodiment is provided with a sealing flange plate 7 at the top, a heating tube sealing head 2 is installed through the top of the sealing flange plate 7, a compression nut 5 is sleeved on the top of the heating tube sealing head 2, a sealing ring pressing ring 4 is arranged between the compression nut 5 and the heating tube sealing head 2, and a sealing ring 3 is arranged at the bottom of the sealing ring pressing ring 4; wherein the cavity sealing plate 1 separates the environment into an external non-vacuum environment and an internal vacuum environment, the power supply end of the heating tube is led to the non-vacuum environment wiring outside the vacuum cavity through the cavity rear sealing assembly, so that the intelligent oven can be safely used in a vacuum state, and the cavity vacuum pressure preservation is good, the heating tube sealing head 2 is welded on the sealing flange plate 7, the sealing ring 3, the sealing ring pressing ring 4 and the heating tube are sequentially installed at the other end outside, the heating tube is locked by the sealing nut 5 during assembly, the sealing ring pressing ring 4 is attached to the sealing ring 3 to prevent air leakage at the connection, so that the whole achieves a sealing effect, and the connection of the external wiring end does not affect the work of the internal oven in a vacuum state.

[0025] As shown in the figure, Figs. 1-3 The heating tube sealing head 2 of the embodiment is provided with two groups on the sealing flange plate 7; wherein the two groups correspond to positive and negative poles to form a current circulation, facilitating wiring operation.

[0026] As shown in the figure, Figs. 1-3 The bottom of the sealing flange plate 7 and the bottom of the cavity sealing plate 1 of the embodiment are both provided with a sealing flange rubber strip 6; wherein the cavity sealing plate 1 and the sealing flange plate 7 are both processed with sealing grooves for installing the sealing flange rubber strip 6, and the sealing flange rubber strip 6 is assembled between the heating tube sealing flange 7 and the cavity sealing plate 1 at the rear of the oven cavity, and inside the cavity sealing plate 1, the sealing structure is arranged inside and outside the opening of the cavity sealing plate 1, preventing the internal vacuum environment from being damaged.

[0027] As shown in the figure, Figs. 1-3 The top of the sealing flange plate 7 of the embodiment is provided with a cover 8, and the cover 8 is provided with a baffle 9 on one side; wherein the cover 8 covers the heating tube sealing head 2, and the two side baffles 9 are close to each other to form a protection, and the top opening of the baffle 9 facilitates wiring extension and installation.

[0028] As shown in the figure, Figs. 1-3 The cavity sealing plate 1, the heating tube sealing head 2, the compression nut 5, the sealing flange plate 7, the cover 8 and the baffle 9 of the embodiment are all made of 304 stainless steel; wherein the materials of other parts of the mechanism except the sealing ring 3 and the sealing flange rubber strip 6 are 304 stainless steel, thereby improving the strength and oxidation resistance of the overall structure and prolonging the service life of the device.

[0029] Working principle: the device is isolated by cavity sealing plate 1 inside and outside area, sealing flange plate 7 is attached to the opening position of cavity sealing plate 1 outside, the heating tube power supply end is located inside the lead through cavity sealing plate 1 and is connected to the heating tube sealing head 2 on sealing flange plate 7, the heating tube sealing head 2 is fixed with the heating tube through compression nut 5, sealing ring 3 and sealing flange rubber strip 6 prevent external air from entering the oven inside vacuum environment, so that the heating tube sealing head 2 connecting place and the oven inside environment are isolated, the outside non-vacuum connecting environment is safer, and the internal vacuum baking effect is guaranteed.

[0030] The utility model is not limited to the above-mentioned embodiment, anyone should know the structural change made under the enlightenment of the utility model, any identical or similar technical scheme with the utility model falls into the protection scope of the utility model. The utility model is not described in detail the technology, shape, structure part is the known technology.

Claims

1. A vacuum sealing structure for a heating element of a vacuum oven, comprising: The cavity sealing plate (1) is characterized in that a sealing flange plate (7) is provided on the top of the cavity sealing plate (1), a heating tube sealing head (2) is installed through the top of the sealing flange plate (7), a compression nut (5) is sleeved on the top of the heating tube sealing head (2), a sealing ring pressure ring (4) is provided between the compression nut (5) and the heating tube sealing head (2), and a sealing ring (3) is provided at the bottom of the sealing ring pressure ring (4).

2. The vacuum sealing structure for the heating element of a vacuum oven according to claim 1, characterized in that, The heating element sealing head (2) is provided in two sets on the sealing flange plate (7).

3. The vacuum sealing structure for the heating element of a vacuum oven according to claim 1, characterized in that, Sealing flange strips (6) are provided at the bottom of the sealing flange plate (7) and the bottom of the cavity sealing plate (1).

4. The vacuum sealing structure for the heating element of a vacuum oven according to claim 1, characterized in that, The sealing flange plate (7) is provided with a cover (8) on top, and a baffle (9) is installed on one side of the cover (8).

5. The vacuum sealing structure for the heating element of a vacuum oven according to claim 4, characterized in that, The cavity sealing plate (1), heating tube sealing head (2), clamping nut (5), sealing flange plate (7), cover (8) and baffle (9) are all made of 304 stainless steel.