Tool for oxygen burning operation by one person

Abstract

The utility model belongs to the technical field of steel production, and relates to a single-person oxygen burning operation tool which comprises a grab handle, a screw-down mechanism and a flow control device. An air flow channel is arranged in the grab handle; two ends of the air flow channel are respectively connected with an air inlet pipe and an air outlet pipe; the flow control device is arranged in the grab handle, transversely penetrates through the airflow channel and is used for controlling the opening degree of the airflow channel. And the screw-down mechanism is arranged on the outer wall of the grab handle, is connected with the flow control device and drives the flow control device, so that the flow of the air outlet pipe is changed. According to the utility model, the mode that an oxygen burning pipe is directly connected with a leather hose is replaced, oxygen burning operators can control the oxygen flow by themselves, the operation difficulty is reduced, single-person oxygen burning operation is realized, and meanwhile, the scalding risk caused by oxygen tempering is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of steel production, and relates to a tool for single oxygen burning operation. BACKGROUND

[0002] At present, when the continuous casting steel pouring personnel clean the protection pipe and perform the oxygen burning operation of the ladle drainage, only the mode that the skin pipe is connected with the oxygen valve, the oxygen burning pipe is connected with the skin pipe is adopted, one person is responsible for opening and closing the oxygen valve, and another person is responsible for the oxygen burning operation. The mode has high difficulty in controlling the opening degree of the oxygen valve in the operation process, and if the oxygen opening personnel closes the oxygen valve in advance, the oxygen burning operation personnel will be scalded by backfire. Therefore, a tool for single oxygen burning operation capable of controlling the oxygen flow and performing the oxygen burning operation is required. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the utility model aims at solving the above problems and provides a tool for single oxygen burning operation.

[0004] To achieve the above object, the utility model provides the following technical scheme.

[0005] A tool for single oxygen burning operation, comprising a handle, a pressing mechanism and a flow control device, wherein the handle is internally provided with an airflow channel, the two ends of the airflow channel are connected with an air inlet pipe and an air outlet pipe respectively, the flow control device is arranged in the handle and crosses the airflow channel and is used for controlling the opening degree of the airflow channel, and the pressing mechanism is arranged on the outer wall of the handle and is connected with the flow control device to drive the flow control device and change the flow of the air outlet pipe.

[0006] Further, the flow control device comprises a valve core and a spring, the valve core is provided with an air passage for connecting the air inlet pipe and the air outlet pipe, the valve core is slidably arranged on the handle along the radial direction of the handle and is in sealing cooperation with the handle at both ends, one end of the valve core is connected with the pressing mechanism, and the other end is provided with a return spring, and the valve core is driven to move by the pressing mechanism to change the cross-sectional area of the air passage in the airflow channel.

[0007] Further, the handle is further provided with a sealing cavity, the air passage moves between the sealing cavity and the airflow channel, and when the airflow channel is closed, the air passage is entirely located in the sealing cavity.

[0008] Further, the pressing mechanism is a pressing plate, one end of the pressing plate is hinged to the handle, and the other end is connected with the valve core.

[0009] Further, the air outlet pipe is provided with a thread for connecting with an oxygen burning pipe.

[0010] Further, the surface of the handle is provided with anti-skid lines.

[0011] The utility model has the advantages that:

[0012] The tool in the utility model can replace the mode of directly connecting the oxygen burning pipe and the skin pipe, the tool can realize self-control of oxygen flow size by the oxygen burning operator, reduces the operation difficulty, realizes single person oxygen burning operation, and reduces the scald risk caused by oxygen backfire.

[0013] Other advantages, objects and features of the utility model will be described in the subsequent specification to some extent, and to some extent, it will be obvious to those skilled in the art based on the study of the following text or can be taught from the practice of the utility model. The objects and other advantages of the utility model can be realized and obtained by the following specification. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to make the objects, technical schemes and advantages of the utility model more clear, the preferred detailed description of the utility model will be combined with the drawings below, wherein:

[0015] Figure 1 It is a structure schematic view of the tool for single person oxygen burning operation in the utility model.

[0016] The drawings show that: 1 - the air outlet pipe; 2 - the air inlet pipe; 3 - the handle; 4 - the pressing mechanism; 5 - the valve core; 6 - the air hole; 7 - the reset spring; 8 - the sealing cavity. DETAILED DESCRIPTION

[0017] The implementation mode of the utility model will be described below through specific concrete examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. The utility model can also be implemented or applied through another different specific implementation mode, and each detail in the specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model. It should be noted that the drawings provided in the following examples only illustrate the basic concept of the utility model in a schematic manner, and the following examples and features in the examples can be combined with each other without conflict.

[0018] Wherein, the drawings are only used for example description, and the representation is only a schematic diagram, not a physical diagram, and can not be understood as a limitation of the utility model; in order to better illustrate the embodiments of the utility model, some components in the drawings will be omitted, enlarged or reduced, and the size of actual product is not represented; for those skilled in the art, it can be understood that some known structures and their descriptions in the drawings can be omitted.

[0019] The same or similar reference signs in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it should be understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "back" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation and be operated, therefore, the terms describing the positional relationships in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present application, and for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0020] Please refer to Figure 1 It is a tool for single oxygen burning operation, comprising a handle 3, a pressing mechanism 4, a flow control device; the handle 3 is provided with an airflow channel, and the two ends of the airflow channel are connected with the air inlet pipe 2 and the air outlet pipe 1 respectively; the flow control device is arranged in the handle 3 and crosses the airflow channel, and is used for controlling the opening degree of the airflow channel; the pressing mechanism 4 is arranged on the outer wall of the handle 3 and is connected with the flow control device, drives the flow control device, so as to change the flow of the air outlet pipe 1.

[0021] The flow control device comprises a valve core 5 and a spring; the valve core 5 is provided with an air hole 6, which is used for connecting the air inlet pipe 2 and the air outlet pipe 1; the valve core 5 is arranged on the handle 3 in a sliding mode along the radial direction of the handle 3, and the two ends of the valve core 5 are in sealing cooperation with the handle 3; one end of the valve core 5 is connected with the pressing mechanism 4, and the other end is provided with a reset spring 7; the valve core 5 is driven to move by the pressing mechanism 4, so as to change the cross-sectional area of the air hole 6 in the airflow channel.

[0022] The pressing mechanism 4 adopts a pressing plate, one end of the pressing plate is hinged with the handle 3, and the other end is connected with the valve core 5. A sealing cavity 8 is further arranged on the handle 3, the air hole 6 moves between the sealing cavity 8 and the airflow channel, and when the airflow channel is closed, the air hole 6 is entirely located in the sealing cavity 8. Under the action of the reset spring 7, the air hole 6 is in the initial state of being entirely located in the sealing cavity 8.

[0023] The surface of the handle 3 is provided with anti-skid lines, which facilitates holding. The air outlet pipe 1 is provided with threads, which is used for connecting with the oxygen burning pipe.

[0024] In use, the operator only needs to connect the air outlet pipe 1 with the oxygen burning pipe, holds the oxygen burning pipe with one hand and holds the handle 3 with the other hand, so as to realize single oxygen burning operation.

[0025] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A tool for single person oxygen burning operations, characterized by: The device comprises a handle, a pressing mechanism and a flow control device; the handle is provided with an air flow channel, the two ends of the air flow channel are connected with an air inlet pipe and an air outlet pipe respectively; the flow control device is arranged in the handle and crosses the air flow channel to control the opening of the air flow channel; the pressing mechanism is arranged on the outer wall of the handle and is connected with the flow control device to drive the flow control device and change the flow of the air outlet pipe.

2. The one-man burn-off operation tool according to claim 1, characterized in that: The flow control device comprises a valve core and a spring; the valve core is provided with a vent hole to connect the air inlet pipe and the air outlet pipe; the valve core is arranged on the handle and slides along the radial direction of the handle; the two ends of the valve core are in sealing cooperation with the handle; one end of the valve core is connected with the pressing mechanism and the other end is provided with a reset spring; the valve core is driven to move by the pressing mechanism to change the cross-sectional area of the vent hole in the air flow channel.

3. The one-man burn-off operation tool according to claim 2, characterized in that: The handle is further provided with a sealing cavity; the vent hole moves between the sealing cavity and the air flow channel; when the air flow channel is closed, the vent hole is entirely located in the sealing cavity.

4. The one-man burn-off operation tool according to claim 2, characterized in that: The pressing mechanism is a pressing plate, one end of the pressing plate is hinged with the handle and the other end is connected with the valve core.

5. The one-man burn-off operation tool according to claim 1, characterized in that: The air outlet pipe is provided with a thread to be connected with an oxygen heating pipe.

6. The one-man burn-off operation tool according to claim 1, characterized in that: The surface of the handle is provided with anti-skid lines.

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