Gas cylinder explosion-proof device for laboratory
By designing the explosion-proof device of the gas cylinder for laboratory use, using explosion-proof boxes, anti-static plates, cylinder positioning seats and fasteners, the problem of unstable positioning of the gas cylinder is solved, and the safe, stable and long-life use of the gas cylinder is achieved.
Patent Information
- Application Number
- CN202420900078.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-28
AI Technical Summary
The positioning structure of existing laboratory gas cylinders is not stable enough, which is easy to pour or lead to loosening of the positioning structure, affecting the service life.
A laboratory gas cylinder explosion-proof device is designed, including an explosion-proof box, an internal gas detection sensor, an anti-static plate, a cylinder positioning seat and a cylinder fastener. Through the design of arc-shaped grooves and arc-shaped fasteners, the stable fixing position of the gas cylinder is achieved and explosion-proof locking is carried out through the key lock.
It improves the stability of the gas cylinder positioning, prevents loosening and tilting, extends the service life of the positioning structure, and achieves the safety management and explosion-proof effect of the gas cylinder through the anti-static plate and explosion-proof box structure.
Smart Images
Figure CN222437666U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of laboratory equipment, in particular to an explosion-proof device for a gas cylinder used in a laboratory. Background Art
[0002] Gas cylinders in laboratories are often used to provide a specific gas supply to meet experimental or work needs. They can store a variety of gases, including but not limited to hydrogen, methane, propane, ethylene, ethane, acetylene, hydrogen sulfide, etc. In order to ensure the safe use of gas cylinders in the laboratory and protect personnel, equipment and the environment from dangerous events such as gas cylinder explosions, gas cylinders are usually explosion-proof.
[0003] Existing laboratory gas cylinders are usually placed in explosion-proof boxes and fixed after positioning by chains or fixing belts. However, traditional positioning is usually not stable enough. The vertical placement mainly relies on the gas cylinder's own weight, which is prone to the risk of tipping over. Even if the tipping angle is not large, it will cause pressure on the positioning structure, resulting in problems such as loosening and instability of the positioning structure, affecting the service life of the positioning structure. Utility Model Content
[0004] The purpose of the utility model is to provide an explosion-proof device for laboratory gas cylinders to solve the problem raised in the above-mentioned background technology that laboratory gas cylinders on the market are usually placed in explosion-proof boxes and fixed after positioning by chains or fixing belts, but the traditional positioning is usually not stable enough, and the vertical placement is mainly based on the weight of the gas cylinders themselves, which is prone to the risk of tipping over. Even if the tipping angle is not large, it will cause pressure on the positioning structure, resulting in looseness and instability of the positioning structure, thereby affecting the service life of the positioning structure.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laboratory gas cylinder explosion-proof device, comprising a gas cylinder explosion-proof device body and a gas cylinder, an explosion-proof box is provided on the gas cylinder explosion-proof device body, and an internal gas detection sensor is installed on the inner top of the explosion-proof box, and an explosion-proof box door is symmetrically hinged and fixed at the opening of the explosion-proof box, an anti-static plate is provided at the inner bottom of the explosion-proof box, and the gas cylinder is placed on the anti-static plate, a fixing plate is provided on the inner back of the explosion-proof box, and a gas cylinder positioning seat is connected to the fixing plate, a gas cylinder fastener is provided on the side of the gas cylinder positioning seat, and a key lock is installed on one end of the gas cylinder fastener, and a connecting shaft is fixed through the other end of the gas cylinder fastener after being engaged with the gas cylinder positioning seat.
[0006] Preferably, the gas cylinder positioning seat is fixed to a fixing plate by bolts symmetrically passing through the two sides, and the fixing plate is fixed to the explosion-proof box by welding.
[0007] Preferably, an arc-shaped groove is provided on the side of the gas cylinder positioning seat, and the arc-shaped groove of the gas cylinder positioning seat is snap-fitted with the gas cylinder.
[0008] Preferably, the middle portion of the gas cylinder fastener is bent to form an arc structure, and the gas cylinder fastener is also snap-fitted with the gas cylinder.
[0009] Preferably, the lock hole portion of the key lock is fixed to the gas cylinder fastener by screws, and the lock portion of the key lock is embedded and installed in the gas cylinder positioning seat.
[0010] Preferably, a groove structure is provided at the bottom of the antistatic plate, and a movable pedal is movably inserted in the groove of the antistatic plate, a pedal connecting shaft is inserted and fixed at the inner end of the movable pedal, and the pedal connecting shaft is movably clamped in the groove of the antistatic plate.
[0011] Compared with the prior art, the utility model has the following beneficial effects: the laboratory gas cylinder explosion-proof device can improve the stability of gas cylinder positioning, make the positioning structure less likely to loosen, and improve the service life of the positioning structure. At the same time, the gas cylinder is subjected to explosion-proof locking treatment, which makes it easier to manage the gas cylinder. The laboratory gas cylinder explosion-proof device fixes the gas cylinder through a gas cylinder positioning seat with an arc groove, and a gas cylinder fastener with an arc plate structure is fixed on the gas cylinder positioning seat through a connecting shaft to fasten the gas cylinder. An anti-static plate is arranged at the bottom of the gas cylinder, which can be used to perform anti-static treatment on the gas cylinder, so that the gas cylinder can be used safely. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the structure of an explosion-proof device for a gas cylinder used in a laboratory according to the utility model;
[0013] Figure 2 This utility model is a laboratory gas cylinder explosion-proof device Figure 1 The enlarged structural diagram at A in the middle;
[0014] Figure 3 The utility model is a schematic diagram of the connection structure between a gas cylinder positioning seat and a gas cylinder fastener of a laboratory gas cylinder explosion-proof device.
[0015] In the figure: 1. Main body of gas cylinder explosion-proof device; 2. Explosion-proof box; 3. Internal gas detection sensor; 4. Gas cylinder; 5. Explosion-proof box door; 6. Gas cylinder positioning seat; 7. Fixing plate; 8. Gas cylinder fastener; 9. Key lock; 10. Movable pedal; 11. Pedal connecting shaft; 12. Anti-static plate; 13. Connecting shaft. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] See also Figure 1-3The utility model provides a technical solution: a gas cylinder explosion-proof device for a laboratory, comprising a gas cylinder explosion-proof device body 1 and a gas cylinder 4, an explosion-proof box 2 is arranged on the gas cylinder explosion-proof device body 1, and an internal gas detection sensor 3 is installed on the inner top of the explosion-proof box 2, and an explosion-proof box door 5 is symmetrically hinged and fixed at the opening of the explosion-proof box 2, an anti-static plate 12 is arranged at the inner bottom of the explosion-proof box 2, and the gas cylinder 4 is placed on the anti-static plate 12, a groove structure is opened at the bottom of the anti-static plate 12, and a movable pedal 10 is movably inserted in the groove of the anti-static plate 12, a pedal connecting shaft 11 is inserted and fixed at the inner end of the movable pedal 10, and the pedal connecting shaft 11 is movably stuck in the groove of the anti-static plate 12, and this structure enables the anti-static plate 12 to have a bottom The anti-static function of the explosion-proof box 2 is to perform electrostatic protection on the gas cylinder 4, and the movable pedal 10 is hidden by the anti-static plate 12, so as to avoid the collision caused by the flipping activity of the traditional movable pedal 10 on the gas cylinder 4. A fixing plate 7 is provided on the inner back of the explosion-proof box 2, and a gas cylinder positioning seat 6 is connected to the fixing plate 7. An arc groove is provided on the side of the gas cylinder positioning seat 6, and the arc groove of the gas cylinder positioning seat 6 is engaged with the gas cylinder 4. This structure can position the gas cylinder 4 through the arc groove structure of the gas cylinder positioning seat 6, so that the gas cylinder 4 can be positioned when it is fixed in the explosion-proof box 2. The gas cylinder positioning seat 6 is symmetrically fixed with bolts on both sides and the fixing plate 7, and the fixing plate 7 is welded and fixed to the explosion-proof box 2. This structure can be designed according to the size of the explosion-proof box 2 The fixing plates 7 at different fixed positions allow the fixing plates 7 to stably position the gas cylinders 4 at different heights. The gas cylinder positioning seat 6 can adjust its position as needed. A gas cylinder fastener 8 is provided on the side of the gas cylinder positioning seat 6. The middle part of the gas cylinder fastener 8 is bent to form an arc structure, and the gas cylinder fastener 8 is also snap-fitted with the gas cylinder 4. This structure allows the gas cylinder fastener 8 to form an arc structure by bending, which can adapt to the shape of the gas cylinder 4 and avoid the gas cylinder fastener 8 affecting the up and down transportation of the gas cylinder 4. A key lock 9 is installed at one end of the gas cylinder fastener 8. The key lock 9 is an existing key lock structure. The key hole part of the key lock 9 is fixed to the gas cylinder fastener 8 by screws, and the lock part of the key lock 9 is embedded and installed. In the gas cylinder positioning seat 6, this structure enables the key lock 9 to connect and fasten the gas cylinder fastener 8 and the other end of the gas cylinder positioning seat 6 to achieve the effect of explosion-proof fastening. Through the locking and fixing of the key lock 9, targeted management of the gas cylinder 4 is achieved, and a connecting shaft 13 is fixed through the other end of the gas cylinder fastener 8 and the gas cylinder positioning seat 6 after being engaged. The connecting shaft 13 enables the gas cylinder fastener 8 to rotate under the positioning of the gas cylinder positioning seat 6. By opening and closing the gas cylinder fastener 8, the loading and unloading fixing of the gas cylinder 4 is achieved. The gas cylinder explosion-proof device body 1 forms an explosion-proof box structure through the explosion-proof box 2 and the explosion-proof box door 5, so that the overall structural strength of the gas cylinder explosion-proof device body 1 is high and it has an explosion-proof effect.The main body 1 of the gas cylinder explosion-proof device also performs real-time detection and protection of the gas cylinder 4 through the existing internal gas detection sensor 3, buzzer alarm, control panel, etc., thereby improving the explosion-proof performance of the gas cylinder 4.
[0018] Working principle: When using the laboratory gas cylinder explosion-proof device, first, when using the gas cylinder 4 in the laboratory, place the gas cylinder 4 in the gas cylinder explosion-proof device body 1 for explosion-proof treatment, open the explosion-proof box door 5, and pull the movable pedal 10 out of the anti-static plate 12. After the pedal connecting shaft 11 moves to the end of the anti-static plate 12, the movable pedal 10 is restricted from moving. Then, the movable pedal 10 is rotated through the positioning of the pedal connecting shaft 11, and is tilted and supported at the bottom of the inlet part of the explosion-proof box 2. After that, the pedal structure formed by the movable pedal 10 is used to carry the gas cylinder 4 into the explosion-proof box 2. The gas cylinder 4 is placed on the anti-static plate 12 to play the role of bottom shock-absorbing support and anti-static treatment. The gas cylinder 4 is leaning against the gas cylinder The positioning seat 6 is positioned through an arc groove, and then the gas cylinder fastener 8 is rotated relative to the gas cylinder positioning seat 6 through the connecting shaft 13, and the gas cylinder fastener 8 is fixed to the gas cylinder positioning seat 6 through the key lock 9, so as to realize the explosion-proof fastening treatment of the gas cylinder 4 and facilitate the targeted management of the gas cylinder 4. The gas cylinder positioning seat 6 is fixed to the fixing plate 7 by bolts, which plays a role of stable positioning. The movable pedal 10 is then sent into the anti-static plate 12. After completing the pipeline connection of the gas cylinder 4, the explosion-proof box door 5 is closed to use the gas cylinder 4. During the working process of the gas cylinder explosion-proof device body 1, the internal gas detection sensor 3, the buzzer alarm, and the display panel are used to perform explosion-proof protection treatment, thereby completing a series of tasks.
[0019] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A gas cylinder explosion-proof device for laboratory use, comprising a gas cylinder explosion-proof device body (1) and a gas cylinder (4), characterized in that: The main body (1) of the gas cylinder explosion-proof device is provided with an explosion-proof box (2), and an internal gas detection sensor (3) is installed on the top of the inner side of the explosion-proof box (2), and an explosion-proof box door (5) is symmetrically hinged and fixed at the opening of the explosion-proof box (2), an anti-static plate (12) is provided at the bottom of the inner side of the explosion-proof box (2), and the gas cylinder (4) is placed on the anti-static plate (12), a fixing plate (7) is provided at the back of the inner side of the explosion-proof box (2), and a gas cylinder positioning seat (6) is connected to the fixing plate (7), a gas cylinder fastener (8) is provided on the side of the gas cylinder positioning seat (6), and a key lock (9) is installed at one end of the gas cylinder fastener (8), and a connecting shaft (13) is fixed after the other end of the gas cylinder fastener (8) is engaged with the gas cylinder positioning seat (6).
2. The explosion-proof device for laboratory gas cylinders according to claim 1, characterized in that: The gas cylinder positioning seat (6) is fixed to the fixing plate (7) by bolts symmetrically passing through the two sides, and the fixing plate (7) is fixed to the explosion-proof box (2) by welding.
3. The explosion-proof device for laboratory gas cylinders according to claim 1, characterized in that: An arc-shaped groove is provided on the side of the gas cylinder positioning seat (6), and the arc-shaped groove of the gas cylinder positioning seat (6) is snap-fitted with the gas cylinder (4).
4. The explosion-proof device for laboratory gas cylinders according to claim 1, characterized in that: The middle portion of the gas cylinder fastener (8) is bent to form an arc structure, and the gas cylinder fastener (8) and the gas cylinder (4) are also snap-fitted.
5. The explosion-proof device for laboratory gas cylinders according to claim 1, characterized in that: The lock hole portion of the key lock (9) is fixed to the gas cylinder fastener (8) by means of screws, and the lock portion of the key lock (9) is embedded and installed in the gas cylinder positioning seat (6).
6. The explosion-proof device for laboratory gas cylinders according to claim 1, characterized in that: The antistatic plate (12) has a groove structure at the bottom, and a movable pedal (10) is movably inserted into the groove of the antistatic plate (12). A pedal connecting shaft (11) is inserted and fixed to the inner end of the movable pedal (10), and the pedal connecting shaft (11) is movably clamped in the groove of the antistatic plate (12).