Industrial gas filling joint

Abstract

The utility model discloses an industrial gas filling connector which comprises a gas filling head, an extending head is arranged at the top end of the gas filling head, a conical head is arranged at the top end of the extending head, a gas filling nozzle is arranged at the top end of the conical head, extending blocks are arranged on the two side walls of the gas filling head, and lead screws are arranged on the upper surfaces of the two extending blocks. The top ends of the two lead screws are fixedly connected through a fixing plate, and a pressing plate is slidably connected between the two lead screws. Through the arrangement of the knob, the pressing plate can be limited and fixed, when the inflation head is connected with the gas cylinder, the pressing plate is moved to make the pressing plate be in close contact with the gas inlet head of the gas cylinder, and the knob is rotated to make the knob be in close contact with the pressing plate, so that the pressing plate is locked and fixed; the pressing plate can be matched with the extending block to enable the inflation head and the gas cylinder to be firmly connected, and the phenomenon that the inflation head and the gas cylinder are loosened can be effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas filling technical field especially relates to an industrial gas filling connector. BACKGROUND

[0002] Industrial gas refers to the product in gaseous state at normal temperature and pressure in the industrial production process, can be applied to chemical industry, petroleum, metallurgy, machinery, electronics, glass, food and beverage, medical treatment and many other fields. Industrial gas cylinder filling is an indispensable link of gas industry. In the gas filling process, the pipeline needs to be connected with the cylinder through the filling connector.

[0003] The existing industrial gas filling connector is mostly fixed directly through threads, and has poor overall stability after installation and is prone to loose installation, which has safety hazards. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an industrial gas filling connector to solve the technical problems in the background art.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: an industrial gas filling connector, comprising a gas filling head, the top end of the gas filling head is provided with an extension head, the top end of the extension head is provided with a conical head, the top end of the conical head is provided with a gas filling nozzle, both side walls of the gas filling head are provided with extension blocks, the upper surfaces of the two extension blocks are provided with lead screws, the top ends of the two lead screws are fixedly connected through a fixed plate, and a compression plate is slidably connected between the two lead screws.

[0006] Preferably, a sealing block is arranged at the connection between the extension head and the gas filling head, and a sealing ring is arranged on the sealing block.

[0007] Preferably, the conical head is large at the bottom and small at the top.

[0008] Preferably, the side wall of the gas filling nozzle is provided with a gas filling hole.

[0009] Preferably, the surfaces of both ends of the compression plate are provided with sliding holes matching the diameters of the lead screws, and the compression plate is slidably connected with the lead screws through the sliding holes.

[0010] Preferably, a knob is threadedly connected to the lead screw between the compression plate and the fixed plate, and the surface of the knob is provided with anti-slip patterns.

[0011] Preferably, a spring is sleeved on the lead screw, the bottom of the spring is fixedly connected with the upper surface of the extension block, and the top end of the spring is fixedly connected with the bottom of the compression plate.

[0012] The industrial gas filling connector has the following advantages:

[0013] 1. The utility model discloses a sealing block and the setting of sealing ring, when the extension head is connected with the gas cylinder, the radial sealing effect is played, prevents the overflow of gas from the gap of inflation joint and the gas cylinder connection, ensures that the pressure in the container can reach a certain numerical value and the stability and safety of the inflation process, through the setting of conical head, when the inflation head is connected with the gas cylinder, the conical head will extend to the air inlet in the gas cylinder, because of the conical structure, the conical head will be closely connected with the air inlet of the gas cylinder, and the sealing property between the inflation joint and the gas cylinder is realized by adopting the conical line hard sealing, thereby further improve the sealing effect, and the safety is strong.

[0014] 2. The utility model discloses the setting of knob can be positioned fixed to the compression plate, when the inflation head is connected with the gas cylinder, removes the compression plate, makes the compression plate closely contact with the air inlet of the gas cylinder, and rotates the knob, makes the knob closely contact with the compression plate, thereby realizes the locking fixed of compression plate, can make the compression plate cooperate extension block to make the inflation head and the gas cylinder firm connection, can effectively prevent the loosening phenomenon of inflation head and the gas cylinder, guarantees the stability of structure, thereby greatly improves the safety of inflation. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the drawing needed to be used in the embodiment briefly introduced, should understand, the following drawing only shows some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.

[0016] Figure 1 It is the overall structure schematic diagram of the utility model;

[0017] Figure 2 It is Figure 1 the enlarged view of A in the utility model;

[0018] Figure 3 It is the exploded view of compression plate and screw rod in the utility model.

[0019] Marking in the drawing: 1, inflation head;2, extension head;3, sealing block;4, sealing ring;5, conical head;6, extension block;7, screw rod;8, fixed plate;9, spring;10, compression plate;11, knob;12, inflation mouth;13, inflation hole;14, sliding hole. DETAILED DESCRIPTION

[0020] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present application. Therefore, the drawings and the description are considered to be exemplary in nature and not limiting.

[0021] In the description of the embodiments of the present application, it is to be understood that the terms "length", "vertical", "horizontal", "top", "bottom", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0022] In addition, the terms "first", "second", "third", etc. are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0023] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0024] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the components and settings of a specific example are described in the following. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can refer to the same reference numerals and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and / or settings discussed.

[0025] In order to better understand the purpose, structure and function of the present application, the industrial gas filling connector of the present application is further described in detail below in conjunction with the drawings.

[0026] As Figures 1-3As shown, the utility model discloses an industrial gas filling connector, including the inflation head 1, the top of inflation head 1 is provided with extension head 2, the junction of extension head 2 and inflation head 1 is provided with sealing block 3, sealing block 3 is provided with sealing ring 4, through the setting of sealing block 3 and sealing ring 4, when extension head 2 is connected with the gas cylinder, the radial sealing effect is played, prevents the overflow of gas from the clearance between the inflation connector and the gas cylinder, ensures that the pressure in the container can reach a certain value and the stability and safety of the inflation process. The top of extension head 2 is provided with conical head 5, the top of conical head 5 is provided with inflation mouth 12, the lateral wall of inflation mouth 12 is provided with inflation hole 13, and the gas is discharged through inflation hole 13 and enters the gas cylinder through the gas inlet nozzle. The conical head 5 is large at the bottom and small at the top, and when the inflation head 1 is connected with the gas cylinder, the conical head 5 extends into the gas inlet nozzle in the gas cylinder. Due to the conical structure, the conical head 5 is tightly connected with the gas inlet nozzle of the gas cylinder. The conical line hard sealing is adopted to realize the sealing between the inflation connector and the gas cylinder, thereby further improving the sealing effect and safety.

[0027] The two lateral walls of inflation head 1 are provided with extension blocks 6, the upper surfaces of the two extension blocks 6 are provided with lead screws 7, the top ends of the two lead screws 7 are fixedly connected through a fixed plate 8, and a pressing plate 10 is slidably connected between the two lead screws 7. The two end surfaces of the pressing plate 10 are provided with sliding holes 14 that match the diameters of the lead screws 7, and the pressing plate 10 is slidably connected with the lead screws 7 through the sliding holes 14. The sliding holes 14 facilitate the free movement of the pressing plate 10 along the length direction of the lead screws 7. A knob 11 is threadedly connected to the lead screw 7 between the pressing plate 10 and the fixed plate 8, and the surface of the knob 11 is provided with anti-slip patterns. Through the setting of the knob 11, the pressing plate 10 can be fixed and limited. When the inflation head 1 is connected with the gas cylinder, the pressing plate 10 is moved to tightly contact the gas inlet head of the gas cylinder, and the knob 11 is rotated to tightly contact the pressing plate 10, thereby realizing the locking and fixing of the pressing plate 10. The pressing plate 10 cooperates with the extension blocks 6 to firmly connect the inflation head 1 with the gas cylinder, which can effectively prevent the inflation head 1 from loosening and ensure the stability of the structure, thereby greatly improving the safety of inflation.

[0028] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the application belong to the scope protected by the utility model.

Claims

1. An industrial gas filling connection, characterized by: Including the inflation head (1), the top of the inflation head (1) is provided with the extension head (2), the top of the extension head (2) is provided with the tapered head (5), the top of the tapered head (5) is provided with the inflation nozzle (12), both sides of the inflation head (1) are provided with the extension block (6), the upper surface of the two extension blocks (6) is provided with the lead screw (7), the top of the two lead screws (7) is fixedly connected through the fixed plate (8), and the two lead screws (7) are slidably connected with the compression plate (10).

2. An industrial gas filling connector according to claim 1, characterized in that: The connecting place of the extension head (2) and the inflation head (1) is provided with the sealing block (3), and the sealing block (3) is provided with the sealing ring (4).

3. An industrial gas filling connector according to claim 1, characterized in that: The tapered head (5) is large at the bottom and small at the top.

4. An industrial gas filling connector according to claim 1, characterized in that: The side wall of the inflation nozzle (12) is provided with the inflation hole (13).

5. An industrial gas filling connector according to claim 1, characterized in that: The both end surfaces of the compression plate (10) are provided with the sliding hole (14) that is consistent with the diameter of the lead screw (7), and the compression plate (10) is slidably connected with the lead screw (7) through the sliding hole (14).

6. An industrial gas filling connector according to claim 1, characterized in that: The threaded connection of the lead screw (7) is provided with the knob (11) between the compression plate (10) and the fixed plate (8), and the surface of the knob (11) is provided with the anti-skid pattern.

7. An industrial gas filling connector according to claim 1, characterized in that: The lead screw (7) is provided with the spring (9), the bottom of the spring (9) is fixedly connected with the upper surface of the extension block (6), and the top of the spring (9) is fixedly connected with the bottom of the compression plate (10).

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