Gas tank filling and connecting device

Abstract

The utility model discloses a gas tank filling connecting device which comprises a base frame, a mounting seat, a sliding piece, a cam piece and a clamping piece, one side of the base frame is provided with a charging connector used for being connected with a gas nozzle of a gas tank, the mounting seat is mounted on the other opposite side of the base frame, the cam piece is rotatably mounted on the mounting seat, and the clamping piece is mounted on the mounting seat. A sliding groove is formed in the cam part, a limiting groove is formed in the position, away from the rotating center of the cam part, of the sliding groove, the sliding part is installed on the installation base in a sliding mode and located on the side, close to the inflation nozzle, of the cam part, one end of the sliding part extends into the sliding groove, and the other end of the sliding part extends into the sliding groove. And the clamping piece is arranged at the other end of the sliding piece. When the gas tank filling connecting device is installed, the cam piece rotates, the sliding piece moves to the sliding groove, so that the clamping piece abuts against or is far away from the gas tank gas nozzle, disassembly and assembly of the gas tank filling connecting device are achieved, the connecting stability is guaranteed, and meanwhile operation is more convenient.

Description

Technical Field

[0001] This application relates to the technical field of containers or components for container filling and discharge, and specifically to a gas tank filling connection device. Background Technology

[0002] Utility model patent document CN217978356U describes a safety protection filling connection device for gas cylinders, including a base frame, a metal clamp, a screw, a handle, and an inflation nozzle for connection with a filling pipeline. The base frame has two metal guide rods; the metal clamp spans between the two metal guide rods and has through holes; a plastic sleeve is fixedly installed in each through hole, extending from the metal guide rod; one end of the screw is mounted on the metal clamp, and the handle is mounted on the other end of the screw. This utility model utilizes a helical pair formed by the screw and the screw hole to mechanically clamp the gas cylinder's inflation nozzle, ensuring the nozzle is stably clamped between the metal clamp and the inflation nozzle, thus improving filling safety and reducing the risk of gas leakage during filling.

[0003] In the aforementioned utility model patent document, the metal clamp is required to self-lock on the screw. The helix angle may reduce the self-locking performance. To ensure that the metal clamp can self-lock on the screw, the helix angle on the screw is usually designed to be small. The smaller the helix angle, the smaller the axial movement distance caused by rotating the same angle. As a result, when using the gas tank safety protection filling connection device described in the aforementioned utility model patent document, the metal clamp needs to move a certain distance, and the screw needs to be rotated a large number of times, resulting in low disassembly and assembly efficiency. Summary of the Invention

[0004] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, this utility model proposes:

[0005] A gas cylinder filling connection device includes a base frame, a mounting base, a sliding member, a cam member, and a clamping member. An inflation nozzle for connecting to a gas cylinder nozzle is mounted on one side of the base frame. The mounting base is mounted on the opposite side of the base frame. The cam member is rotatably mounted on the mounting base and has a sliding groove. A limiting groove is provided in the sliding groove at a position away from the rotation center of the cam member. The sliding member is slidably mounted on the mounting base and located on the side of the cam member closest to the inflation nozzle, with one end extending into the sliding groove. The clamping member is mounted on the other end of the sliding member.

[0006] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: the sliding groove is provided with an arc-shaped groove and a limiting protrusion on opposite side walls at the rotation center of the cam component, and the arc-shaped groove and the limiting protrusion form the limiting groove.

[0007] The technical solution adopted by one embodiment of this utility model to solve its technical problem is as follows: the mounting base is provided with an oblong hole, the clamping member and the cam member are respectively arranged on the upper and lower sides of the mounting base, and the sliding member passes through the oblong hole, connects with the clamping member, and extends into the sliding groove.

[0008] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: it further includes an elastic element, which is disposed in the oblong hole and connected to the sliding element.

[0009] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: the outer wall of the sliding member is further sleeved with a first insulating member, and the first insulating member is distributed in the oval hole.

[0010] The technical solution adopted by one embodiment of this utility model to solve its technical problem is as follows: the cam component is rotatably mounted on the mounting base via a rotating shaft, and a handle is coaxially mounted on the rotating shaft. An external force rotates the handle to drive the cam component to rotate.

[0011] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: the outer wall of the sliding member is further sleeved with a second insulating member, and the first insulating member is distributed in the sliding groove.

[0012] The beneficial effects of this utility model are as follows: When installing the gas cylinder filling connection device, rotating the cam component causes the sliding component to move in the sliding groove towards the rotation center of the cam. The sliding component drives the clamping component away from the filling nozzle, increasing the gap between the filling nozzle and the clamping component. This allows the worker to place the base frame through the gas cylinder nozzle. Then, rotating the cam component again causes the sliding component to move to a position away from the rotation center of the cam and embed into the limiting groove. At this point, the clamping component abuts against the gas cylinder nozzle. The sliding component then locks itself in the limiting groove, thus limiting the clamping component to the position abutting against the gas cylinder nozzle. This achieves the installation of the gas cylinder filling connection device, ensuring connection stability and making operation more convenient. Attached Figure Description

[0013] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0014] Figure 1 This is a schematic diagram of the structure of the gas cylinder filling connection device described in this embodiment. Figure 1 ;

[0015] Figure 2 This is a schematic diagram of the structure of the gas cylinder filling connection device described in this embodiment. Figure 2 . Detailed Implementation

[0016] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0017] In the description of this utility model, "multiple" means two or more; "greater than," "less than," and "exceeding" are understood to exclude the stated number; "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or their sequential relationship.

[0018] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0019] In this utility model, unless otherwise explicitly defined, the terms "setting," "installing," and "connecting" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0020] Reference Figure 1-2 This application proposes an embodiment of a gas cylinder filling connection device, which includes a base frame 10, a mounting base 20, a sliding member 30, a cam member 40, and a clamping member 50. An inflation nozzle 60 for connecting to a gas cylinder nozzle is mounted on one side of the base frame 10. The mounting base 20 is mounted on the opposite side of the base frame 10. The cam member 40 is rotatably mounted on the mounting base 20. The cam member 40 has a sliding groove 41 and a limiting groove 42 located at a position away from the rotation center of the cam member 40. The sliding member 30 is slidably mounted on the mounting base 20 and located on the side of the cam member 40 closest to the inflation nozzle 60, with one end extending into the sliding groove 41. The clamping member 50 is mounted on the other end of the sliding member 30.

[0021] The sliding member 30 slides within the sliding groove 41, causing the clamping member 50 to slide away from or towards the inflation nozzle 60 on the mounting base 20. When installing the gas cylinder filling connection device, refer to the attached document. Figure 1 As shown, rotating the cam 40 causes the slider 30 to move within the sliding groove 41 towards the rotation center of the cam. The slider 30 then moves the clamping member 50 away from the inflation nozzle 60, increasing the gap between the inflation nozzle 60 and the clamping member 50. This allows the worker to place the base frame 10 through the inflation nozzle of the gas cylinder, and then rotate the cam 40 again. (Refer to the attached diagram.) Figure 2 As shown, the sliding member 30 moves to a position where the sliding groove 41 is away from the rotation center of the cam and is embedded in the limiting groove. At this time, the clamping member 50 abuts against the gas cylinder nozzle. The sliding member 30 is locked in the limiting groove, thereby limiting the clamping member 50 to the position abutting against the gas cylinder nozzle, realizing the installation of the gas cylinder filling connection device, ensuring connection stability, and making operation more convenient.

[0022] Preferably, the sliding groove 41 has an arc-shaped groove 421 and a limiting protrusion 422 on opposite side walls away from the rotation center of the cam member 40. The arc-shaped groove 421 and the limiting protrusion 422 form the limiting groove 42, so that the arc-shaped groove 421 and the limiting protrusion 422 limit the sliding member 30 to the position where it abuts against the air nozzle of the air tank.

[0023] Specifically, the mounting base 20 is provided with an oblong hole 21. The length of the oblong hole 21 determines the sliding stroke of the slider 30. The clamping member 50 and the cam member 40 are respectively provided on the upper and lower sides of the mounting base 20. After passing through the oblong hole 21, the slider 30 is connected to the clamping member 50 and extends into the sliding groove 41.

[0024] Preferably, the system also includes an elastic element 70, which is disposed within the oblong hole 21 and connected to the sliding element 30.

[0025] The preload of the elastic element 70 is directed toward the air nozzle 60. When the sliding element 30 moves to a position in the sliding groove 41 away from the rotation center of the cam, the elastic element 70 assists in limiting and clamping the air nozzle to the position of the sliding element 30 and the clamping element 50.

[0026] Preferably, the cam component 40 is rotatably mounted on the mounting base 20 via a rotating shaft 80. A handle is coaxially mounted on the rotating shaft 80, and external force rotates the handle to drive the cam component 40 to rotate, facilitating manual operation of rotating the cam component 40. Furthermore, the outer wall of the handle is also provided with an anti-slip texture.

[0027] Preferably, the outer wall of the sliding member 30 is also fitted with a first insulating member and a second insulating member 31. The first insulating member is distributed in the oblong hole 21 and the sliding groove 41. The first insulating member and the second insulating member 31 are provided with plastic insulating members to separate the sliding member 30 from the cam member 40 and the mounting seat 20, so as to avoid the sliding member 30 from contacting and rubbing with the cam member 40 and the mounting seat 20 and generating sparks, thereby improving safety.

[0028] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model, and all such equivalent modifications and substitutions are included within the scope defined by the claims of this application.

Claims

1. A gas cylinder filling connection device, characterized in that, The system includes a base frame (10), a mounting base (20), a sliding member (30), a cam member (40), and a clamping member (50). An inflation nozzle (60) for connecting to the gas cylinder nozzle is installed on one side of the base frame (10). The mounting base (20) is installed on the opposite side of the base frame (10). The cam member (40) is rotatably mounted on the mounting base (20). The cam member (40) is provided with a sliding groove (41) and a limiting groove (42) is provided at a position of the sliding groove (41) away from the rotation center of the cam member (40). The sliding member (30) is slidably mounted on the mounting base (20) and located on the side of the cam member (40) close to the inflation nozzle (60), with one end of it extending into the sliding groove (41). The clamping member (50) is installed on the other end of the sliding member (30).

2. The gas cylinder filling connection device according to claim 1, characterized in that, The sliding groove (41) has an arc-shaped groove (421) and a limiting protrusion (422) on opposite side walls at the rotation center away from the cam (40), and the arc-shaped groove (421) and the limiting protrusion (422) form the limiting groove (42).

3. The gas cylinder filling connection device according to claim 1, characterized in that, The mounting base (20) is provided with an oval hole (21). The clamping member (50) and the cam member (40) are respectively provided on the upper and lower sides of the mounting base (20). The sliding member (30) passes through the oval hole (21), connects with the clamping member (50), and extends into the sliding groove (41).

4. The gas cylinder filling connection device according to claim 3, characterized in that, It also includes an elastic element (70), which is disposed in the oblong hole (21) and connected to the sliding element (30).

5. The gas cylinder filling connection device according to claim 3, characterized in that, The outer wall of the sliding member (30) is also fitted with a first insulating member, which is distributed inside the oval hole (21).

6. The gas cylinder filling connection device according to claim 1, characterized in that, The cam component (40) is rotatably mounted on the mounting base (20) via a rotating shaft (80). A handle (90) is coaxially mounted on the rotating shaft (80). External force rotates the handle to drive the cam component (40) to rotate.

7. The gas cylinder filling connection device according to claim 1, characterized in that, The outer wall of the sliding member (30) is also fitted with a second insulating member (31), and the first insulating member is distributed in the sliding groove (41).

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