A convenient multi-gas filling adapter

Abstract

The utility model provides a kind of switching joint of multi-element gas filling convenience, it is related to switching joint technical field, including connecting pipe, the surface of connecting pipe is equipped with and is fixedly connected with threaded cylinder, the surface of threaded cylinder is equipped with and is threadedly connected with rotating sleeve, one end of connecting pipe is embedded with conical barrel, one end of conical barrel is fixed and is communicated with air inlet pipe, the surface of air inlet pipe is equipped with and is bearing rotationally connected with L type ring plate, the surface of L type ring plate is equipped with rotating torus, rotating torus is fixedly connected with rotating sleeve. In the utility model, conical barrel inclined structure can be flexibly embedded in connecting pipe or steel bottle valve interface of different caliber, without replacing joint body, cover multiple specifications, greatly reduce joint reserve, the soft pad of conical barrel bevel and connecting pipe inner wall or steel bottle valve interface closely adhere, cooperate rotating sleeve and the thread locking force of threaded cylinder, form stable radial seal, adapt high pressure and corrosive gas filling.

Description

Technical Field

[0001] This utility model relates to the field of adapter technology, and in particular to an adapter that facilitates the filling of multiple gases. Background Technology

[0002] The filling of multi-gases (such as industrial oxygen and acetylene, medical oxygen and nitrous oxide, and scientific research helium and argon) is a core part of industrial production, medical treatment, and scientific research experiments. These gases are mostly stored and transported in high-pressure steel cylinders. Due to the differences in the physicochemical properties of different gases (corrosiveness, flammability, explosiveness, etc.), cylinder production standards, and usage scenarios, the valve interface models of steel cylinders are complex (for example, low-pressure medical oxygen cylinders commonly use G5 / 8 threaded interfaces, high-pressure industrial argon cylinders mostly use M27×1.5 threaded interfaces, and some special gas cylinders use customized interfaces).

[0003] Existing gas filling adapters typically have a fixed-size interface on one end, which can only be connected to one type of cylinder valve. Although the structure is simple and the seal is reliable, the compatibility is extremely poor. Filling stations need to keep a large number of different sizes of adapters, which takes up space and is time-consuming to replace. They are only suitable for specific gas filling scenarios. Utility Model Content

[0004] The purpose of this invention is to solve the problem that one end of the existing gas filling adapter is usually a fixed specification interface, which can only be connected to one type of gas cylinder valve, and to propose an adapter that facilitates the filling of multiple gases.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an adapter for convenient multi-gas filling, comprising a connecting pipe, a threaded cylinder sleeved and fixedly connected to the surface of the connecting pipe, a rotating sleeve sleeved and threadedly connected to the surface of the threaded cylinder, a conical cylinder embedded at one end of the connecting pipe, an air inlet pipe fixedly connected to one end of the conical cylinder, an L-shaped ring plate sleeved and rotatably connected to the surface of the air inlet pipe, a rotating ring sleeved on the surface of the L-shaped ring plate, the rotating ring being fixedly connected to the rotating sleeve; and a fixing component, the fixing component being fixedly mounted on the rotating ring.

[0006] Preferably, a hexagonal sleeve is fitted and fixedly connected to the surface of the connecting pipe and to one side of the threaded cylinder, and the rotating sleeve has grooves at equal intervals.

[0007] Preferably, the inclined side of the conical cylinder is embedded and fixedly connected with a soft pad.

[0008] Preferably, the fixing component includes four inserts, which are fixed at equal intervals on the rotating ring. The surface of the L-shaped ring plate is provided with grooves at equal intervals, and the inserts are located inside the grooves. The surface of each insert is provided with a convex hole, and a convex screw is embedded inside the convex hole. The bottom of the convex screw is embedded in the bottom inner wall of the groove and is threadedly connected to it.

[0009] Preferably, the surface of the convex screw is provided with a cross groove.

[0010] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, the tapered inclined structure can be flexibly embedded into connecting pipes or cylinder valve interfaces of different diameters without replacing the connector body, covering a variety of specifications and greatly reducing the amount of connectors required.

[0011] 2. In this utility model, the soft pad on the inclined side of the conical cylinder fits tightly against the inner wall of the connecting pipe or the valve interface of the gas cylinder. Combined with the threaded locking force of the rotating sleeve and the threaded cylinder, a stable radial seal is formed, which is suitable for filling high pressure and corrosive gases.

[0012] 3. In this utility model, no tools are required. The docking and sealing can be completed simply by inserting the conical cylinder and rotating the rotating sleeve, which can improve the efficiency of changing the interface and thus improve the filling efficiency. Attached Figure Description

[0013] Figure 1 A three-dimensional view of the overall structure of an adapter for convenient multi-gas filling is provided for this utility model. Figure 2 A cross-sectional view of the overall structure of an adapter for convenient multi-gas filling is provided for this utility model. Figure 3 A three-dimensional view of a conical cylinder structure for a convenient multi-gas filling adapter is provided for this utility model. Figure 4 A three-dimensional view of the connecting pipe structure of an adapter for convenient multi-gas filling is provided for this utility model. Figure 5 This utility model presents a three-dimensional view of a rotating ring structure for a convenient multi-gas filling adapter.

[0014] Legend: 1. Connecting pipe; 2. Hexagonal sleeve; 3. Threaded cylinder; 4. Air inlet pipe; 5. Conical cylinder; 6. Soft pad; 7. L-shaped ring plate; 8. Rotating ring; 9. Rotating sleeve; 10. Groove; 11. Fixing component; 111. Slot; 112. Insert plate; 113. Convex hole; 114. Convex screw; 115. Cross groove. Detailed Implementation

[0015] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0016] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0017] Example 1, as Figure 1-5 As shown, this utility model provides a convenient adapter for filling multiple gases, including a connecting pipe 1, a threaded cylinder 3 sleeved and fixedly connected to the surface of the connecting pipe 1, a rotating sleeve 9 sleeved and threadedly connected to the surface of the threaded cylinder 3, a conical cylinder 5 embedded at one end of the connecting pipe 1, an air inlet pipe 4 fixedly connected to one end of the conical cylinder 5, an L-shaped ring plate 7 sleeved and rotatably connected to the surface of the air inlet pipe 4, a rotating ring 8 sleeved on the surface of the L-shaped ring plate 7, and a fixed connection between the rotating ring 8 and the rotating sleeve 9; and a fixing component 11, which is fixedly installed on the rotating ring 8.

[0018] The overall effect of embodiment 1 is as follows: a threaded cylinder 3 is fitted and fixedly connected to the surface of the connecting pipe 1, and a rotating sleeve 9 is fitted and threadedly connected to the surface of the threaded cylinder 3, which can make the rotating sleeve 9 rotate and move radially square on the surface of the threaded cylinder 3. A conical cylinder 5 is embedded in one end of the connecting pipe 1, and an air inlet pipe 4 is fixed and connected to one end of the conical cylinder 5, which can make the conical cylinder 5 embedded inside one end of the connecting pipe 1. An L-shaped ring plate 7 is fitted and rotatably connected to the surface of the air inlet pipe 4, and a rotating ring 8 is fitted on the surface of the L-shaped ring plate 7. The rotating ring 8 is fixedly connected to the rotating sleeve 9, which can make the rotating ring 8 rotate and drive the rotating sleeve 9 to rotate. The fixing component 11 is fixedly installed on the rotating ring 8, which can fix the rotating ring 8 on the L-shaped ring plate 7.

[0019] Example 2, as Figure 1-5As shown, a hexagonal sleeve 2 is fitted and fixedly connected to the surface of the connecting pipe 1 and to one side of the threaded cylinder 3. The rotating sleeve 9 has grooves 10 at equal intervals. A soft pad 6 is embedded and fixedly connected to the inclined side of the conical cylinder 5. The fixing assembly 11 includes four inserts 112, which are fixedly fixed to the rotating ring 8 at equal intervals. The surface of the L-shaped ring plate 7 has grooves 111 at equal intervals. The inserts 112 are located inside the grooves 111. The surface of each insert 112 has a convex hole 113. A convex screw 114 is embedded inside the convex hole 113. The bottom of the convex screw 114 is embedded in the bottom inner wall of the groove 111 and is threadedly connected to it. The surface of each convex screw 114 has a cross groove 115.

[0020] The overall effect of embodiment 2 is as follows: a hexagonal sleeve 2 is fitted and fixedly connected to the surface of the connecting pipe 1 and located on one side of the threaded cylinder 3; grooves 10 are equally spaced on the rotating sleeve 9, which facilitates the rotation of the rotating sleeve 9; a soft pad 6 is embedded and fixedly connected to the inclined side of the conical cylinder 5, which seals the conical cylinder 5 and the connecting pipe 1; the fixing assembly 11 includes four inserts 112, which are equally spaced and fixed on the rotating ring 8; grooves 111 are equally spaced on the surface of the L-shaped ring plate 7, and the inserts 112 are located in the grooves 111. Inside, the surface of the insert plate 112 is provided with convex holes 113. A convex screw 114 is embedded inside the convex hole 113. The bottom of the convex screw 114 is embedded in the inner wall of the bottom of the groove 111 and is threaded to it. This allows the rotating ring 8 to be fitted onto the L-shaped ring plate 7. At this time, the insert plate 112 can be embedded inside the groove 111. The convex screw 114 can be screwed into the convex hole 113 to fix the rotating ring 8. The surface of the convex screw 114 is provided with cross grooves 115 to facilitate the rotation of the convex screw 114.

[0021] Working principle: When replacing the rotating sleeve 9, first insert a Phillips screwdriver into the Phillips groove 115 on the surface of the convex screw 114, and rotate it to remove the convex screw 114 from the thread on the bottom inner wall of the groove 111 until the convex screw 114 is completely disengaged from the convex hole 113; then move the rotating ring 8 away from the L-shaped ring plate 7, so that the insert plate 112 on the rotating ring 8 is pulled out from the groove 111 of the L-shaped ring plate 7. At this time, the rotating sleeve 9, which is fixedly connected to the rotating ring 8, is removed together with the rotating ring 8; take the new rotating sleeve 9, align the insert plate 112 on the rotating ring 8 to the groove 111 of the L-shaped ring plate 7 and insert it, then put the convex screw 114 into the convex hole 113 of the insert plate 112, rotate the convex screw 114 through the Phillips groove 115 so that its bottom is threadedly connected to the bottom inner wall of the groove 111 and tightened, completing the replacement of the rotating sleeve 9. During use, according to the cylinder valve interface size, insert the small-diameter end of the conical cylinder 5 into one end of the connecting pipe 1, so that the soft pad 6 on the surface of the conical cylinder 5 is in close contact with the inner wall of the connecting pipe 1; rotate the rotating sleeve 9, which drives the rotating ring 8 through the threaded engagement with the threaded cylinder 3. The insert plate 112 and the groove 111 on the rotating ring 8 drive the L-shaped ring plate 7 to rotate, which will push the L-shaped ring plate 7 towards the conical cylinder 5, so that the conical cylinder 5 and the connecting pipe 1 are further pressed together to strengthen the seal; then connect the other end of the air inlet pipe 4 to the cylinder valve interface. Repeat the insertion and rotation steps when adapting to different valves; after filling, rotate the rotating sleeve 9 in the opposite direction, so that the rotating ring 8 drives the L-shaped ring plate 7 away from the conical cylinder 5, and the combination of the conical cylinder 5 and the connecting pipe 1 can be pulled out to complete the connection; when adapting to other types of valves, adjust the insertion state of the conical cylinder 5 or replace the corresponding conical cylinder 5, and repeat the operation to achieve quick switching.

[0022] The wiring diagram of the soft pad 6 in this utility model is common knowledge in the field. Its working principle is a well-known technology. The appropriate model is selected according to actual use. Therefore, the control method and wiring layout of the soft pad 6 will not be explained in detail.

[0023] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. An adapter for convenient multi-gas filling, comprising a connecting pipe (1), characterized in that: A threaded cylinder (3) is fitted and fixedly connected to the surface of the connecting pipe (1). A rotating sleeve (9) is fitted and threadedly connected to the surface of the threaded cylinder (3). A conical cylinder (5) is embedded at one end of the connecting pipe (1). An air inlet pipe (4) is fixedly connected to one end of the conical cylinder (5). An L-shaped ring plate (7) is fitted and rotatably connected to the surface of the air inlet pipe (4). A rotating ring (8) is fitted on the surface of the L-shaped ring plate (7). The rotating ring (8) is fixedly connected to the rotating sleeve (9). Fixing component (11) is fixedly mounted on rotating ring (8).

2. The adapter for convenient multi-gas filling according to claim 1, characterized in that: A hexagonal sleeve (2) is fitted and fixedly connected to the surface of the connecting pipe (1) and located on one side of the threaded cylinder (3), and the rotating sleeve (9) has grooves (10) at equal intervals.

3. The adapter for convenient multi-gas filling according to claim 1, characterized in that: The conical tube (5) has a soft pad (6) embedded and fixedly connected to its inclined side.

4. The adapter for convenient multi-gas filling according to claim 1, characterized in that: The fixing component (11) includes four inserts (112), which are fixed at equal intervals on the rotating ring (8). The L-shaped ring plate (7) has grooves (111) at equal intervals on its surface. The inserts (112) are located inside the grooves (111). The surface of each insert (112) has a convex hole (113). A convex screw (114) is embedded inside the convex hole (113). The bottom of the convex screw (114) is embedded in the bottom inner wall of the groove (111) and is threaded to it.

5. The adapter for convenient multi-gas filling according to claim 4, characterized in that: The surface of the convex screw (114) is provided with a cross groove (115).

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