A device beneficial to improving the stability of hydrogen filling connection

Abstract

The utility model relates to the field of energy technology, specifically a device that is beneficial to improving the stability of hydrogen filling connection. It includes a hydrogen filling hose, a left mechanical claw, a middle mechanical claw, a right mechanical claw, a screw, a left nut, a right nut, a box, a cylinder and a motor; the two ends of the hydrogen filling hose are respectively connected to the hydrogen filling station and the gas tank; the motor is installed in the box, the box is connected to the cylinder, and the cylinder drives the box to move back and forth; the motor is connected to the screw to drive the screw to rotate; the left nut and the right nut are installed on the screw and are threadedly connected to the screw; the left and right mechanical claws are installed on the left and right nuts, and the middle mechanical claw is installed on the box, and the mechanical claw is used to clamp the hydrogen filling hose. It can effectively improve the stability of the connection between the hydrogen filling hose and the gas tank, and the air tightness during inflation is better, thereby improving the efficiency of hydrogen filling operations.

Description

Technical Field

[0001] The utility model relates to the technical field of energy, in particular to a device which is beneficial to improving the stability of hydrogen filling connection. Background Art

[0002] Hydrogen can be used as the filling gas for airships and hydrogen balloons. Due to the unique properties of hydrogen energy, the objective safety risks in its application process should also be given sufficient attention. As a key link in the storage and transportation of hydrogen energy, the safety of hydrogen filling has also attracted much attention.

[0003] After searching, the patent number is CN216158515U, and the name is a utility model of a hydrogen filling connection device, including a hydrogen filling hose, a fastening rope and a second fastener. Through research and analysis, it is found that during use, it can solve the problem that the existing hydrogen filling hose is easy to injure the operator when it breaks.

[0004] However, there are at least the following defects and shortcomings: the device fixes the hose by fastening ropes and fasteners, the fixing effect is relatively general, and the swinging process of the hose will cause the fastening ropes and fasteners to loosen, affecting the connection between the hose and the gas tank, thereby affecting the hydrogen filling efficiency. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a device that is beneficial to improving the stability of the hydrogen filling connection, which can effectively improve the stability of the connection between the hydrogen filling hose and the gas tank, and has better air tightness during inflation, thereby improving the hydrogen filling efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A device beneficial to improving the stability of hydrogen filling connection, comprising a hydrogen filling hose, a left mechanical claw, a middle mechanical claw, a right mechanical claw, a lead screw, a left nut, a right nut, a box, a cylinder and a motor; the two ends of the hydrogen filling hose are respectively connected to the hydrogen filling station and the gas tank; the motor is installed in the box, the box is connected to the cylinder, and the cylinder drives the box to move forward and backward; the motor is connected to the lead screw to drive the lead screw to rotate; the left nut and the right nut are installed on the lead screw and are threadedly connected to the lead screw; the left and right mechanical claws are installed on the left and right nuts, and the middle mechanical claw is installed on the box, and the mechanical claws are used to clamp the hydrogen filling hose.

[0008] Furthermore, it also includes a support frame, a sleeve frame, a vertical plate and a mounting plate; the sleeve frame is fixedly connected to the side of the support frame, the vertical plate is fixedly connected to the sleeve frame, and the mounting plate is fixedly connected to the top of the vertical plate.

[0009] Furthermore, it also includes a left electric push rod, which is fixed on the left nut and connected to the left mechanical claw; it also includes a right electric push rod, which is fixed on the right nut and connected to the right mechanical claw.

[0010] Furthermore, it also includes a fire extinguishing mechanism, which includes a fire extinguishing tank, a connecting pipe and a nozzle; one end of the connecting pipe is connected to the fire extinguishing tank, and the other end is connected to the nozzle, and a solenoid valve is provided at the outlet of the fire extinguishing tank.

[0011] Furthermore, it also includes a controller, a flame sensor and a buzzer, and the controller is electrically connected to the flame sensor, the buzzer, the solenoid valve, the cylinder, the motor, the left mechanical claw, the middle mechanical claw, the right mechanical claw, the left electric push rod, and the right electric push rod.

[0012] Compared with the prior art, the utility model has at least the following technical effects or advantages:

[0013] 1. The utility model has left, middle and right mechanical claws clamping hydrogen filling hoses, and the mechanical claws are driven to move left and right by the screw nut, and to move forward and backward by the cylinder. It has the advantage of effectively improving the stability of the connection between the hose and the gas tank, so that the hose is not easy to swing, and the air tightness during inflation is better, which provides convenience for the operator and improves the hydrogen filling efficiency.

[0014] 2. The utility model is provided with a fire extinguishing mechanism, a controller, a flame sensor and a buzzer, and the controller is electrically connected with the flame sensor, the buzzer, the solenoid valve, the cylinder and the motor. When the flame sensor senses a fire, the controller controls the buzzer to work and alarm, and the controller controls the solenoid valve to open, so that the fire extinguishing agent in the fire extinguishing tank is sprayed downward through the nozzle, which plays a role in extinguishing the fire, thereby improving the applicability and safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the fire extinguishing mechanism of the utility model.

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the mechanical claw of the utility model.

[0018] In the figure:

[0019] 1. Gas tank; 2. Support frame; 3. Vertical plate; 41. Left mechanical claw; 42. Middle mechanical claw; 43. Right mechanical claw; 5. Frame; 6. Mounting plate; 7. Fire extinguishing mechanism; 8. Flame sensor; 9. Buzzer; 10. Hydrogen filling hose; 11. Cylinder; 12. Box; 13. Dual-axis motor; 14. Screw; 15. First fixing mechanism; 16. Second fixing mechanism; 17. Controller; 18. Fire extinguisher; 19. Solenoid valve; 20. Nozzle; 21. Left nut; 22. Left electric push rod; 23. Auxiliary plate; 24. Right nut; 25. Right electric push rod. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below. In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in combination with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In the description of the utility model, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0024] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, the numerical expressions and numerical values ​​do not limit the scope of the utility model. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0025] In addition, it should be noted that the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model. Example

[0026] like Figure 1-3 As shown, the utility model is a device that is beneficial to improving the stability of hydrogen filling connection, including a hydrogen filling hose 10, a left mechanical claw 41, a middle mechanical claw 42, a right mechanical claw 43, a screw 14, a left nut 21, a right nut 24, a box body 12, a cylinder 11, a fire extinguishing mechanism 7, a dual-axis motor 13, a controller 17, a flame sensor 8, a buzzer 9, a support frame 2, a vertical plate 3, a sleeve frame 5, a mounting plate 6, a left electric push rod 22 and a right electric push rod 25.

[0027] The two ends of the hydrogen filling hose 10 are connected to the hydrogen filling station and the gas tank 1 respectively, and the gas tank 1 is placed on the support frame 2. The rear side of the support frame 2 is fixedly connected with the sleeve frame 5, and the vertical plate 3 is plugged into the sleeve frame 5. The vertical plate 3 is set in the inner cavity of the sleeve frame 5, and the vertical plate 3 is a vertically arranged flat plate. The top of the sleeve frame 5 is fixedly connected with a mounting plate 6, and the top of the mounting plate 6 is fixedly connected with a fire extinguishing mechanism 7. The front and rear sides of the sleeve frame 5 are respectively connected with a flame sensor 8 and a buzzer 9 by bolts.

[0028] There are three mechanical claws, namely, a left mechanical claw 41, a middle mechanical claw 42 and a right mechanical claw 43. The top of the front side of the vertical plate 3 is connected to the cylinder 11 by bolts, the front side of the cylinder 11 is connected to the box 12 by bolts, the inner cavity of the box 12 is connected to the double-axis motor 13 by bolts, and both sides of the double-axis motor 13 are connected to the lead screw 14 by bolts. The first fixing mechanism 15 and the second fixing mechanism 16 are respectively provided on both sides of the surface of the lead screw 14, and the right side of the top of the mounting plate 6 is fixedly connected to the controller 17.

[0029] The fire extinguishing mechanism 7 includes a fire extinguishing tank 18, a connecting pipe and a nozzle 20. The bottom of the fire extinguishing tank 18 is fixedly connected to the mounting plate 6. The left side of the fire extinguishing tank 18 is connected to a solenoid valve 19. The left side of the solenoid valve 19 is connected to a connecting pipe. The bottom of the connecting pipe is connected to the nozzle 20. The output end of the controller 17 is electrically connected to the solenoid valve 19 in one direction.

[0030] The first fixing mechanism 15 includes a left nut 21, which is threadedly connected to the lead screw 14 and is threadedly sleeved on the surface of the lead screw 14 on the left side. A left electric push rod 22 is arranged on the top of the left nut 21, and the output end of the left electric push rod 22 is connected to an auxiliary plate 23 by bolts, and the front side of the auxiliary plate 23 is connected to the left mechanical claw 41 by bolts. A first limit rod is fixedly connected to the left side of the box body 12, and the left side of the first limit rod passes through the left nut 21, and the output end of the controller 17 is electrically connected to the left electric push rod 22 in a unidirectional manner.

[0031] The second fixing mechanism 16 includes a right nut 24, which is threadedly connected to the lead screw 14 and is threadedly sleeved on the surface of the lead screw 14 on the right side. A right electric push rod 25 is provided on the top of the right nut 24, and the output end of the right electric push rod 25 is connected to the right mechanical claw 43 through a bolt. A second limit rod is fixedly connected to the right side of the box body 12, and the right side of the second limit rod passes through the right nut 24. The output end of the controller 17 is electrically connected to the right electric push rod 25 in one direction.

[0032] The lead screw 14 passes through the housing 12 , and the central intermediate mechanical claw 42 is connected to the front side of the housing 12 by bolts.

[0033] The controller 17 is bidirectionally electrically connected to the flame sensor 8 , and the output end of the controller 17 is unidirectionally electrically connected to the left mechanical claw 41 , the middle mechanical claw 42 , the right mechanical claw 43 , the buzzer 9 , the cylinder 11 and the dual-axis motor 13 .

[0034] The working principle and working process of the utility model are as follows:

[0035] During use, the operator inserts the vertical plate 3 into the sleeve frame 5 and fixes it, connects the hydrogen filling hose 10 to the gas tank 1, and the part of the hydrogen filling hose 10 away from the gas tank 1 is deflected forward, so that the left mechanical claw 41 is closer to the hydrogen filling hose 10, and the right mechanical claw 43 is farther away from the hydrogen filling hose 10. The controller 17 controls the dual-axis motor 13 to work, so that the screw 14 rotates, driving the left mechanical claw 41 to move to the left to a suitable fixed position, and the right mechanical claw 42 to move to the right to a suitable fixed position, thereby facilitating the fixation of the hydrogen filling hose 10.

[0036] The controller 17 controls the left electric push rod 22 to work, driving the auxiliary plate 23 and the left mechanical claw 41 to move backward, controls the right electric push rod 25 to work, driving the right mechanical claw 43 to move forward, and controls the cylinder 11 to work, so that the box 12 and the middle mechanical claw 42 move forward. At this time, the left mechanical claw 41, the middle mechanical claw 42, and the right mechanical claw 43 are all located on the surface of the hydrogen filling hose 10. The controller 17 controls the mechanical claw to work, thereby clamping and fixing the hydrogen filling hose 10 to prevent the hydrogen filling hose 10 from swinging, thereby improving the sealing between the hydrogen filling hose 10 and the gas tank 1, and improving the filling efficiency.

[0037] When the flame sensor 8 senses a fire, the controller 17 controls the buzzer 9 to work, thereby alerting the crowd. The controller 17 controls the solenoid valve 19 to open, so that the dry powder in the fire extinguisher tank 18 is sprayed downward through the nozzle 20, thereby achieving the effect of automatic fire extinguishing.

[0038] The protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent substitutions or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device that is beneficial to improving the stability of hydrogen filling connection, characterized in that: It includes a hydrogen filling hose, a left mechanical claw, a middle mechanical claw, a right mechanical claw, a lead screw, a left nut, a right nut, a box, a cylinder and a motor; The two ends of the hydrogen filling hose are respectively connected to the hydrogen filling station and the gas tank; The motor is installed in the box, the box is connected to the cylinder, and the cylinder drives the box to move forward and backward; The motor is connected to the lead screw to drive the lead screw to rotate; the left nut and the right nut are installed on the lead screw and are threadedly connected to the lead screw; The left and right mechanical claws are installed on the left and right screw nuts, and the middle mechanical claw is installed on the box body. The mechanical claws are used to clamp the hydrogen filling hose.

2. A device for improving the stability of hydrogen filling connection according to claim 1, characterized in that: It also includes a supporting frame, a sleeve frame, a vertical plate and a mounting plate; the sleeve frame is fixedly connected to the side of the supporting frame, the vertical plate is fixedly connected to the sleeve frame, and the mounting plate is fixedly connected to the top of the vertical plate.

3. The device according to claim 1 that is beneficial to improving the stability of hydrogen filling connection, characterized in that: It also includes a left electric push rod, which is fixedly connected to the left nut and connected to the left mechanical claw; it also includes a right electric push rod, which is fixedly connected to the right nut and connected to the right mechanical claw.

4. The device according to claim 1 that is beneficial to improving the stability of hydrogen filling connection, characterized in that: It also includes a fire extinguishing mechanism, which includes a fire extinguishing tank, a connecting pipe and a nozzle; one end of the connecting pipe is connected to the fire extinguishing tank, and the other end is connected to the nozzle; a solenoid valve is arranged at the outlet of the fire extinguishing tank.

5. A device for improving the stability of hydrogen filling connection according to claim 4, characterized in that: It also includes a controller, a flame sensor and a buzzer. The controller is electrically connected to the flame sensor, the buzzer, the solenoid valve, the cylinder, the motor, the left mechanical claw, the middle mechanical claw, the right mechanical claw, the left electric push rod and the right electric push rod.

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