Gas filling meter head connection structure

Abstract

The utility model relates to gas filling technical field, concretely is gas filling metering table head connecting structure, including gas cylinder, the upper end of gas cylinder is welded with upper cover, the upper surface of upper cover is fixed with the connecting mechanism of bolt mounting, the connecting mechanism includes connecting plate, the communicating pipe of installing in the middle position of connecting plate lower surface, installs the control pipe in the middle position of connecting plate upper surface, installs the filling metering table in the top of control pipe and installs the air inlet pipe in the top of filling metering table, and the inside rotation is connected with control mechanism in connecting plate, the utility model discloses filling metering table bolt is fixed in the upper end of gas cylinder through connecting mechanism, when filling metering table appears the breakdown, can conveniently take down filling metering table and carry out maintenance replacement, when taking down filling metering table, if filling is carried out to half at this moment, after taking down, the safety accident that gas cylinder gas spouts possibly appears, all gas is discharged and is recharged and time is wasted, can be blocked through the baffle disc of air outlet hole, prevents gas leakage.

Description

Technical Field

[0001] This utility model relates to the field of gas filling technology, specifically to a gas filling meter head connection structure. Background Technology

[0002] Industrial gases generally refer to bottled compressed liquid gases that are gaseous at room temperature and pressure. There are many types of these gases, which are mainly used in various industrial manufacturing sectors. Traditional industries include steel and chemicals, while emerging application areas include metal processing, coal chemicals, glass, power, electronics, medical, highway maintenance, food and beverage, and many other industries. The general production method involves production personnel connecting the gas cylinders to be filled to the main gas pipeline through a connector and opening the filling valve to allow the gas supply device to fill the cylinders.

[0003] Utility model patent CN217082149U discloses an intelligent industrial gas supply device with filling and metering functions. This utility model includes a base, a placement plate, and a support plate. A hydraulic rod is installed on the inner top of the base, and the main body of the device is installed on the inner side of the limiting ring. An outlet is formed through the top of the main body, and an inlet pipe is installed on the outer side of the main body. A mounting frame is installed on the inner side of the inlet pipe, a filter screen is installed on the inner side of the mounting frame, and a protective plate is installed on the inner side of the mounting frame. An outlet pipe is installed on the top of the outlet, and a support frame is installed on the top of the base. This utility model uses an electrically controlled valve installed at the top of the outlet pipe. A flow sensor monitors the gas flow rate at the outlet in real time. When the flow rate reaches a preset value, a signal is transmitted to the controller to automatically close the electrically controlled valve. This precise control of the filling volume reduces the workload of workers and improves safety during use.

[0004] While the aforementioned utility model can monitor the gas flow rate at the outlet in real time using a flow sensor and accurately control the inflation volume, the flow sensor is installed inside the pipe, making repair or replacement inconvenient if it malfunctions. Therefore, we propose a gas filling metering head connection structure. Utility Model Content

[0005] This utility model provides a gas filling meter head connection structure to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A gas filling meter head connection structure includes a gas cylinder, the top of which is welded to a top cover, and a connection mechanism is fixedly installed on the upper surface of the top cover by bolts;

[0008] The connecting mechanism includes a connecting plate, a connecting pipe installed at the middle position of the lower surface of the connecting plate, a control pipe installed at the middle position of the upper surface of the connecting plate, a filling meter installed at the top of the control pipe, and an air inlet pipe installed at the top of the filling meter. The connecting plate is rotatably connected to the control mechanism.

[0009] As a preferred technical solution, a rotating groove is provided on the front side of the upper surface of the connecting plate, a through hole is provided in the middle of the inner surface of the upper surface of the connecting plate, an installation groove is provided in the middle of the side surface of the through hole, and a fixing rod is welded in the installation groove.

[0010] This design features a through-hole to reduce gas flow resistance and improve filling efficiency; the welded fixing rod enhances structural strength and meets the mechanical requirements under high-pressure conditions.

[0011] As a preferred technical solution, the control mechanism includes a baffle, a rotating handle welded to the front side of the upper surface of the baffle, and an air vent located in the middle of the upper surface of the baffle. A fixing hole for the fixing rod to be rotatably connected is provided on the rear side of the upper surface of the baffle.

[0012] This design allows for easy manual operation of the control mechanism by rotating the handle, enabling convenient adjustment of gas flow; the rotational fit between the fixing hole and the fixing rod ensures the coaxiality of the baffle plate rotation and improves control accuracy.

[0013] As a preferred technical solution, the rotating groove is an arc-shaped groove, and the center of the circle containing the arc is concentric with the center of the circle in the top view of the fixed rod.

[0014] This feature, with its concentric arc groove design matching the rotation trajectory of the control mechanism, prevents the handle from jamming during operation and ensures the smoothness and precision of the control mechanism's rotation.

[0015] As a preferred technical solution, the connecting pipe and the connecting plate are fixedly connected by a flange, and the control pipe and the connecting plate are fixedly connected by a flange.

[0016] This design, with its flange connection featuring high strength and excellent sealing, is suitable for high-pressure gas filling scenarios and can effectively resist gas pressure surges, reducing the risk of leakage.

[0017] As a preferred technical solution, the through hole and the air outlet are the same size, and the fixing rod and the fixing hole have the same diameter in the top view.

[0018] This setting, with its size-matched design, ensures that there is no local throttling during gas flow, guaranteeing stable filling flow and improving metering accuracy; at the same time, it reduces gas eddies and lowers pressure loss.

[0019] As a preferred technical solution, the baffle can rotate between 0° and 60° within the mounting groove with the fixed rod as the center. When the baffle rotates to 60°, the baffle completely blocks the through hole.

[0020] This setting clearly defines the rotation range, making it easier for operators to grasp the on / off status and avoid misoperation; a small 60° rotation angle is sufficient to achieve complete blocking, improving operational efficiency.

[0021] As a preferred technical solution, the rotating handle is 5 cm above the upper surface of the connecting plate, and the outer surface of the rotating handle is covered with a sponge sleeve.

[0022] This design features an ergonomically heightened handle for easier grip and force application, reducing operational fatigue. The sponge sleeve provides anti-slip and heat insulation, enhancing both comfort and safety.

[0023] Compared with the prior art, the beneficial effects of this utility model are:

[0024] 1. The filling meter is bolted to the top of the gas cylinder through a connecting mechanism. When the filling meter malfunctions, it can be easily removed for repair or replacement.

[0025] 2. If the filling process is halfway through when the filling meter is removed, the gas in the cylinder may spray out after removal, which may cause a safety accident. It is time-consuming to completely vent the gas and refill. You can block the gas outlet hole with a baffle to prevent gas leakage. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a schematic diagram of the installation mechanism in this utility model;

[0028] Figure 3 This is a cross-sectional view of the connecting plate in this utility model;

[0029] Figure 4 This is a schematic diagram of the control mechanism in this utility model;

[0030] The meanings of the labels in the diagram are as follows:

[0031] 100. Gas cylinder; 200. Top cover; 300. Connecting mechanism; 310. Connecting plate; 311. Rotating groove; 312. Fixing rod; 313. Mounting groove; 314. Through hole; 320. Connecting pipe; 330. Control pipe; 340. Filling meter; 350. Inlet pipe; 360. Control mechanism; 361. Rotating handle; 362. Baffle plate; 363. Gas outlet; 364. Fixing hole. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Please see Figures 1-4 This embodiment provides a technical solution:

[0034] The gas filling meter head connection structure includes a gas cylinder 100, a top cover 200 welded to the top of the gas cylinder 100, and a connection mechanism 300 fixedly installed on the upper surface of the top cover 200 by bolts.

[0035] The connecting mechanism 300 includes a connecting plate 310, a connecting pipe 320 installed at the middle position of the lower surface of the connecting plate 310, a control pipe 330 installed at the middle position of the upper surface of the connecting plate 310, a filling meter 340 installed at the top of the control pipe 330, and an air inlet pipe 350 installed at the top of the filling meter 340. The connecting plate 310 is rotatably connected to a control mechanism 360. Through the above mechanism, the filling meter 340 can be easily removed for inspection and maintenance. When the filling meter 340 is temporarily removed, the control mechanism 360 can block the through hole 314 to prevent gas leakage.

[0036] Furthermore, such as Figure 2 , 3 As shown, a rotating groove 311 is provided on the front side of the upper surface of the connecting plate 310, and a through hole 314 is provided in the middle of the inner surface of the upper surface of the connecting plate 310. A mounting groove 313 is provided in the middle of the side surface of the through hole 314. A fixing rod 312 is welded in the mounting groove 313. The rotating groove 311 provides space for the operation of the control mechanism 360, and the through hole 314 allows for gas flow.

[0037] Furthermore, such as Figure 4 As shown, the control mechanism 360 includes a baffle 362, a rotating handle 361 welded to the front side of the upper surface of the baffle 362, and an air outlet 363 opened in the middle of the upper surface of the baffle 362. A fixing hole 364 for the fixing rod 312 to be rotatably connected is opened on the rear side of the upper surface of the baffle 362. The baffle 362 can block the through hole 314 to prevent gas leakage.

[0038] In this embodiment, as Figure 2As shown, the rotating groove 311 is an arc-shaped groove, and the center of the arc is concentric with the center of the fixed rod 312 in the top view. The connecting pipe 320 and the connecting plate 310 are fixedly connected by a flange, and the control pipe 330 and the connecting plate 310 are fixedly connected by a flange. The connection is tight, and it is easy to disassemble and assemble with tools.

[0039] In this embodiment, as Figure 3 As shown, the through hole 314 and the air outlet 363 have the same size, and the fixing rod 312 and the fixing hole 364 have the same diameter in the top view, to prevent the baffle 362 from shaking when it is installed on the fixing rod 312.

[0040] In this embodiment, as Figure 4 As shown, the baffle 362 can rotate between 0° and 60° within the mounting groove 313 with the fixed rod 312 as the center. When the baffle 362 rotates to 60°, it completely blocks the through hole 314. The rotating handle 361 is 5 cm higher than the upper surface of the connecting plate 310. The outer surface of the rotating handle 361 is covered with a sponge sleeve for easy gripping by the user.

[0041] It is worth noting that the structure and working principle of the filling meter 340 involved in this embodiment are as known to those skilled in the art, and will not be described in detail here.

[0042] In the specific use of the gas filling meter head connection structure of this embodiment, when the filling meter 340 malfunctions and needs to be disassembled for repair or replacement during the filling of gas cylinder 100, the operator can first hold the rotating handle 361 and push it from the left end of the rotating groove 311 to the right end. The baffle 362 will rotate 60° to the right around the fixed rod 312 with the rotating handle 361, so that the baffle 362 can block the through hole 314 and prevent gas leakage from the through hole 314 after the filling meter 340 is removed. After the filling meter 340 is repaired and reinstalled, the operator can hold the rotating handle 361 and push it back to its original position.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A gas filling meter head connection structure, including a gas cylinder (100), characterized in that: The top of the gas cylinder (100) is welded with a top cover (200), and a connecting mechanism (300) is fixedly installed on the upper surface of the top cover (200) by bolts. The connecting mechanism (300) includes a connecting plate (310), a connecting pipe (320) installed at the middle position of the lower surface of the connecting plate (310), a control pipe (330) installed at the middle position of the upper surface of the connecting plate (310), a filling meter (340) installed at the top of the control pipe (330), and an air inlet pipe (350) installed at the top of the filling meter (340). The connecting plate (310) is rotatably connected to the control mechanism (360).

2. The gas filling metering head connection structure as described in claim 1, characterized in that: A rotating groove (311) is provided on the front side of the upper surface of the connecting plate (310). A through hole (314) is provided in the middle of the upper surface of the connecting plate (310). An installation groove (313) is provided in the middle of the side surface of the through hole (314). A fixing rod (312) is welded in the installation groove (313).

3. The gas filling metering head connection structure as described in claim 2, characterized in that: The control mechanism (360) includes a baffle (362), a rotating handle (361) welded to the front side of the upper surface of the baffle (362), an air vent (363) opened in the middle position of the upper surface of the baffle (362), and a fixing hole (364) for the fixing rod (312) to be rotatably connected to the rear side of the upper surface of the baffle (362).

4. The gas filling metering head connection structure as described in claim 3, characterized in that: The rotating groove (311) is an arc-shaped groove, and the center of the arc is concentric with the center of the fixed rod (312) in the top view.

5. The gas filling metering head connection structure as described in claim 4, characterized in that: The connecting pipe (320) and the connecting plate (310) are fixedly connected by a flange, and the control pipe (330) and the connecting plate (310) are fixedly connected by a flange.

6. The gas filling metering head connection structure as described in claim 5, characterized in that: The through hole (314) has the same size as the air outlet (363), and the fixing rod (312) has the same diameter as the fixing hole (364) in the top view.

7. The gas filling metering head connection structure as described in claim 6, characterized in that: The baffle (362) can rotate between 0° and 60° within the mounting groove (313) with the fixed rod (312) as the center. When the baffle (362) rotates to 60°, the baffle (362) completely blocks the through hole (314).

8. The gas filling metering head connection structure as described in claim 7, characterized in that: The rotating handle (361) is 5 cm above the upper surface of the connecting plate (310), and the outer surface of the rotating handle (361) is covered with a sponge sleeve.

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