Filling air draft device
By installing a filling exhaust device at the filling barrel opening, using acid and alkali resistant materials and a lifting module, the problem of chemical gas diffusion is solved, achieving a safe and efficient exhaust effect.
Patent Information
- Application Number
- CN202520475841.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-18
AI Technical Summary
In existing technologies, chemical gases cannot be extracted in a timely manner during chemical filling, leading to gas diffusion and endangering personnel safety.
A filling exhaust device is installed at the filling barrel opening, including a fixing plate, elbow, outer sleeve, inner sleeve, limit device, hood and cover plate. It is made of acid and alkali resistant material and precision machined. With the help of the lifting module, the filling pipeline can be raised and lowered synchronously and the exhaust position can be flexibly adjusted.
It effectively avoids the risk of chemical gases spreading outward, reduces personal safety hazards, and improves ventilation efficiency and flexibility.
Smart Images

Figure CN223905449U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chemical equipment field especially relates to a filling and air extraction device. BACKGROUND
[0002] The harmful gas generated in the prior art when filling chemicals can spread to the inside of the filling system and the workshop, endangering facilities and personal safety. The present design solves the problems in the previous filling process, such as relying solely on the air extraction of the filling equipment, the chemical gas cannot be pumped in time, and the gas diffusion endangers personnel safety. The device is installed at the filling barrel opening to continuously extract air during the filling process, avoiding the risk of gas diffusion. SUMMARY
[0003] The present application provides a filling and air extraction device, which solves the problems in the prior art, such as relying solely on the air extraction of the filling equipment, the chemical gas cannot be pumped in time, and the gas diffusion endangers personnel safety. The device is installed at the filling barrel opening to continuously extract air during the filling process, avoiding the risk of gas diffusion.
[0004] The technical solutions adopted by the present application are as follows.
[0005] A filling and air extraction device, comprising a fixed plate, an elbow arranged on the fixed plate, an outer sleeve arranged at the other end of the elbow, an inner sleeve inserted into the outer sleeve, a limiting device limiting the position of the inner sleeve, a fan cover communicating with the inner sleeve, and a cover plate arranged on the fan cover; the fixed plate, the elbow and the outer sleeve are integrated by welding; the fixed plate is arranged at the air extraction opening; the limiting device is arranged on the lifting module; the limiting device moves synchronously with the inner sleeve; a three-way pipe is arranged on the inner sleeve; the fan cover is arranged at the three-way pipe.
[0006] As a further improvement of the above technical solution, the limiting device comprises a mounting plate, a connecting block arranged on the mounting plate, a fixed clamp arranged on the connecting block, and a mounting clamp locking the inner sleeve; two groups of connecting blocks are arranged on the mounting plate; the mounting clamp is fixed on the fixed clamp by bolts; the inner sleeve moves synchronously with the mounting plate.
[0007] As a further improvement of the above technical solution, the cover plate is fixed on the fan cover by screws.
[0008] One or more technical solutions provided in the present application have at least the following technical effects or advantages:
[0009] 1、Due to the use of acid and alkali resistant material for precise machining, the structure is simple, easy to install, and different materials can be selected according to the working conditions; the device cooperates with the lifting module to synchronously lift the filling pipeline into the filling barrel, effectively replacing the risk of manual operation, and an active shaft sleeve is designed to cooperate with the lifting module to play the function of lifting, which can be flexibly adjusted according to different working conditions, and the free adjustment length is designed at the connection of the wind cover shaft sleeve to facilitate the adjustment of the position of the air extraction to achieve the optimal effect. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is a structural diagram of a filling and air extraction device.
[0011] In the figure: 1, fixed plate; 2, elbow; 3, outer sleeve; 4, inner sleeve; 5, mounting plate; 6, connecting block; 7, fixed clamp; 8, mounting clamp; 9, wind cover; 10, cover plate. DETAILED DESCRIPTION
[0012] The embodiment of the present application provides a filling and air extraction device, which solves the problems in the prior art, such as the simple reliance on filling equipment for air extraction and exhaust during the filling process, the inability to timely extract and send chemical gas, and the risk of gas diffusion endangering personnel safety. First, the device is installed at the filling barrel opening, which continuously extracts air during the filling process, avoiding the risk of gas diffusion.
[0013] The technical scheme in the embodiment of the present application is to solve the above problems, and the general idea is as follows
[0014] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings of the specification and the specific embodiments.
[0015] A filling and air extraction device, comprising a fixed plate 1, an elbow 2 arranged on the fixed plate 1, an outer sleeve 3 arranged at the other end of the elbow 2, an inner sleeve 4 inserted into the outer sleeve 3, a limiting device limiting the position of the inner sleeve 4, a wind cover 9 communicating with the inner sleeve 4, and a cover plate 10 arranged on the wind cover 9; the fixed plate 1, the elbow 2 and the outer sleeve 3 are integrated by welding; the fixed plate 1 is arranged at the air extraction opening; the limiting device is arranged on the lifting module; the limiting device moves synchronously with the inner sleeve 4; the inner sleeve 4 is provided with a three-way pipe; and the wind cover 9 is arranged at the three-way pipe.
[0016] The limiting device comprises a mounting plate 5, a connecting block 6 arranged on the mounting plate 5, a fixed clamp 7 arranged on the connecting block 6, and a mounting clamp 8 locking the inner sleeve 4; two groups of connecting blocks 6 are arranged on the mounting plate 5; the mounting clamp 8 is fixed on the fixed clamp 7 by bolts; and the inner sleeve 4 moves synchronously with the mounting plate 5.
[0017] The cover plate 10 is fixed on the wind cover 9 by screws.
[0018] Because adopt the product uses acid and alkali material precision machining, simple structure, easy installation, also can according to the working condition use different demand select material processing;The device cooperates with the lifting module, and the filling pipeline is synchronously lifted into the filling barrel, effectively replaces the risk existing in manual operation, and a movable shaft sleeve is designed to cooperate with the lifting module to play the function of lifting, which can be flexibly adjusted according to different working condition requirements, and the free adjusting telescopic length is designed at the connecting part of the 9 shaft sleeve of the fan cover, so as to facilitate the adjustment of the position of the air extraction, so as to achieve the optimal effect.
[0019] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to these embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to be interpreted as including all the preferred embodiments and all the changes and modifications falling within the scope of the present application.
[0020] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.
Claims
1. A filling and suction device, characterized in that The utility model relates to a kind of air exhaust device, including fixed plate (1), elbow (2) being arranged on the fixed plate (1), outer sleeve (3) being arranged at the other end of the elbow (2), inner sleeve (4) being inserted into the outer sleeve (3), limiting device limiting the position of the inner sleeve (4), wind cover (9) being communicated with the inner sleeve (4) and cover plate (10) being arranged on the wind cover (9);The fixed plate (1), the elbow (2) and the outer sleeve (3) are integrated by welding;The fixed plate (1) is arranged at air exhaust port;The limiting device is arranged on lifting module;The limiting device and the inner sleeve (4) move synchronously;Three-way pipe is arranged on the inner sleeve (4);The wind cover (9) is arranged at three-way pipe.
2. The filling and suction device according to claim 1, characterized in that The limiting device includes mounting plate (5), connecting block (6) being arranged on the mounting plate (5), fixed card (7) being arranged on the connecting block (6) and mounting card (8) locking the inner sleeve (4);Two groups are arranged on the connecting block (6) up and down;The mounting card (8) is fixed on the fixed card (7) by bolt;The inner sleeve (4) and the mounting plate (5) move synchronously up and down.
3. The filling and suction device according to claim 1, wherein The cover plate (10) is fixed on the wind cover (9) by screw.