Pipeline connecting device and inflatable heating device

Abstract

The utility model provides a pipeline connecting device and an inflatable heating device, and relates to the technical field of pipeline connection. The pipeline connecting device comprises a pipeline connecting assembly arranged at the connecting end of a conveying pipeline body needing to be connected, the pipeline connecting assembly comprises a pipeline fixing section and a plug-in connecting section, and the pipeline fixing section is sleeved with the connecting end; the line connecting assembly is arranged on the plug-in connecting section, fixedly connected with the plug-in connecting section and used for being electrically connected with a sensor line arranged in the conveying pipeline body; when the conveying pipeline body is connected, the pipeline connecting assemblies are fixedly connected through the oppositely-inserted connecting sections, meanwhile, oppositely-inserted connection is achieved through the line connecting assemblies on the oppositely-inserted connecting sections, and electric connection of sensor lines is completed. According to the technical scheme, the dismounting efficiency of the pipeline connecting device can be effectively improved, and meanwhile line damage in the dismounting process can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline connection, in particular to a pipeline connection device and an inflatable heating device. Background Art

[0002] With the development of science and technology, inflatable warming blankets are increasingly used in the medical field. In order to better monitor the temperature or other parameters in the inflatable warming pipe of the inflatable warming blanket, it is generally necessary to set a sensor line in the inflatable warming pipe to monitor the relevant parameters.

[0003] At present, the relevant gas-filled heating pipes are usually connected by pipe connection devices, and the sensor lines in the pipes need to reserve a section of line at the joint of the gas-filled heating pipes to provide expansion space for the lines when the pipes are disassembled. The disassembly and installation steps of the pipe connection devices are cumbersome, the disassembly and installation efficiency is low, and the lines are easily damaged during the disassembly and installation process. Utility Model Content

[0004] The purpose of the utility model is to overcome the problem that the pipe connection device in the related art has low disassembly and assembly efficiency and is easy to damage the line during the disassembly and assembly process, and to provide a pipe connection device with high disassembly and assembly efficiency and capable of reducing line damage during the disassembly and assembly process.

[0005] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present invention.

[0006] According to a first aspect of the utility model, a pipeline connecting device is provided, the pipeline connecting device comprising:

[0007] A pipe connection assembly is arranged at the connection end of the delivery pipe body to be connected, the pipe connection assembly comprises a pipe fixing section and a plug-in connection section, and the connection end is sleeved on the pipe fixing section;

[0008] A line connection assembly is arranged on the plug-in connection section, fixedly connected to the plug-in connection section, and used for electrically connecting a sensor line arranged inside the delivery pipeline body;

[0009] Wherein, when connecting the delivery pipeline body, the pipeline connection component is fixedly connected through the plug-in connection section, and at the same time, the line connection component on the plug-in connection section realizes the plug-in connection to complete the electrical connection of the sensor line.

[0010] In an exemplary embodiment of the present utility model, based on the aforementioned scheme, the pipe connection assembly includes: a pipe plug connector, including a first pipe fixing section and a first plug-in connecting section, the pipe plug connector is plugged into the connecting end of a conveying pipe body through the first pipe fixing section; a pipe plug socket, including a second pipe fixing section and a second plug-in connecting section, the pipe plug socket is sleeved on the connecting end of another conveying pipe body through the second pipe fixing section, and the outer diameter of the second plug-in connecting section is equal to the inner diameter of the first plug-in connecting section; wherein, when docking the connecting end of the conveying pipe body, the pipe plug connector and the pipe plug socket are frictionally connected through the surfaces of the sleeved first plug-in connecting section and the second plug-in connecting section.

[0011] In an exemplary embodiment of the present utility model, based on the aforementioned scheme, the line connection assembly includes: a first sensing connector, fixedly connected to the inner wall of the first pair of plug-in connection sections; a second sensing connector, fixedly connected to the inner wall of the second pair of plug-in connection sections; wherein, when the pipe plug connector and the pipe plug socket are connected, the first pair of plug-in connection sections are docked with the second pair of plug-in connection sections, and the first sensing connector on the first pair of plug-in connection sections and the second sensing connector on the second pair of plug-in connection sections are electrically connected at the same time.

[0012] In an exemplary embodiment of the present utility model, based on the aforementioned scheme, the first plug-in connecting section includes: an plug-in sub-section, which is arranged on one end of the first plug-in connecting section away from the first pipe fixed section; a connecting sub-section, which is arranged on one end of the first plug-in connecting section close to the first pipe fixed section, and is used to connect the first pipe fixed section and the plug-in sub-section, and the first sensing connector is fixedly connected to the connecting sub-section; wherein the inner diameter of the plug-in sub-section is larger than the inner diameter of the connecting sub-section, and a step surface is formed on the inner wall of the first plug-in connecting section, so that when the pipe socket and the pipe plug connector are connected, the plug-in depth of the second plug-in connecting section is limited.

[0013] In an exemplary embodiment of the utility model, based on the aforementioned scheme, the pipe socket includes: a cavity, which is integrally formed with the second plug-in connecting section, for accommodating and fixing the second sensing connector, and a portion of the body of the cavity protrudes from the outer wall of the second plug-in connecting section to form a limiting protrusion.

[0014] In an example embodiment of the utility model, based on the aforementioned scheme, the first pair of plug-in connecting sections include: a limiting groove, which is formed by die-casting of the tube wall body of the first pair of plug-in connecting sections, and the shape of the limiting groove is adapted to the limiting protrusion; wherein, when the first pair of plug-in connecting sections are docked with the second pair of plug-in connecting sections, the limiting protrusion is embedded in the limiting groove, so as to limit the connection direction of the first pair of plug-in connecting sections and the second pair of plug-in connecting sections through the limiting groove and the limiting protrusion.

[0015] In an exemplary embodiment of the present utility model, based on the above solution, the pipe plug connector includes:

[0016] At least one connecting hole is provided in the connecting sub-segment, and the extending direction of the connecting hole is parallel to the extending direction of the plug-in sub-segment, and is used for fixing the first sensing connector to the inner wall of the connecting sub-segment.

[0017] In an exemplary embodiment of the present utility model, based on the aforementioned scheme, the connecting end includes: a first connecting end, which is sleeved on the first pipe fixing section, and the inner diameter of the first connecting end is equal to the outer diameter of the first pipe fixing section; a second connecting end, which is embedded in and connected to the second pipe fixing section, and the outer diameter of the second connecting end is equal to the inner diameter of the first pipe fixing section.

[0018] In an exemplary embodiment of the present utility model, based on the aforementioned scheme, the first pipe fixing section includes: at least one fixing hole, which is arranged on the inner wall of the first pipe fixing section, and the extension direction of the fixing hole is parallel to the extension direction of the first pipe fixing section, for fixing the sensor line.

[0019] According to a second aspect of the utility model, an inflatable heating device is provided, which includes an inflatable heating delivery pipeline and the pipeline connecting device in the aforementioned scheme, and the pipeline connecting device is used to connect the inflatable heating delivery pipeline.

[0020] It can be seen from the above technical solution that the utility model has at least one of the following advantages and positive effects:

[0021] The pipeline connection device of the utility model includes a pipeline connection component and a line connection component, wherein the pipeline connection component is arranged at the connection end of the conveying pipeline body to be connected, the pipeline connection component includes a pipeline fixed section and a plug-in connection section, and the connection end is sleeved on the pipeline fixed section; the line connection component is fixedly connected to the plug-in connection section, and is used to electrically connect the sensor line arranged inside the conveying pipeline body. On the one hand, when the pipeline connection component is fixedly connected, the line connection component also realizes the plug-in connection, so when the pipeline connection device is disassembled or installed, the line connection component can be disassembled and assembled at the same time as the pipeline connection component is disassembled and assembled, which effectively improves the disassembly and assembly efficiency of the pipeline connection device; on the other hand, there is no need to set a wiring board in the conveying pipeline body and reserve the line, and the electrical connection of the sensor line is realized through the line connection component, and the line is not easily damaged during the disassembly and assembly process of the pipeline connection component, thereby reducing the damage rate of the pipeline connection device and reducing the maintenance cost; on the other hand, by electrically connecting the sensor line arranged inside the conveying pipeline body through the line connection component on the plug-in connection section, the stability of the line connection can be effectively improved, and the signal transmission efficiency can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and other features and advantages of the present invention will become more apparent by describing in detail example embodiments thereof with reference to the attached drawings.

[0023] Figure 1 It is a structural schematic diagram of a pipeline connecting device in an embodiment of the utility model.

[0024] Figure 2 It is an exploded view of the pipeline connecting device in the embodiment of the utility model.

[0025] Figure 3 It is a cross-sectional view of a pipeline connecting device in an embodiment of the utility model.

[0026] Figure 4 It is a structural schematic diagram of the pipe socket in the embodiment of the utility model.

[0027] Figure 5 It is a right side view of the pipe socket in the embodiment of the utility model.

[0028] Figure 6 It is a structural schematic diagram of a pipe plug connector in an embodiment of the utility model.

[0029] The main components in the figure are described as follows:

[0030] 1. Pipe connection assembly; 11. Pipe fixing section; 12. Plug-in connection section; 13. Pipe plug connector; 131. First pipe fixing section; 1311. Fixing hole; 132. First plug-in connection section; 1321. Plug-in sub-section; 1322. Connecting sub-section; 1323. Position-limiting groove; 133. Connection hole; 134. Screw; 14. Pipe plug socket; 141. Second pipe fixing section; 142. Second plug-in connection section; 143. Cavity; 1431. Position-limiting protrusion;

[0031] 2. Line connection assembly; 21. First sensor connector; 22. Second sensor connector; 221. Pin. DETAILED DESCRIPTION

[0032] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that the present invention will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their detailed description will be omitted.

[0033] The features, structures or characteristics described above may be combined in one or more embodiments in any suitable manner, and if possible, the features discussed in each embodiment are interchangeable. In the above description, many specific details are provided to provide a full understanding of the embodiments of the present utility model. However, those skilled in the art will appreciate that the technical solution of the present utility model can be practiced without one or more of the specific details, or other methods, components, materials, etc. may be adopted. In other cases, known structures, materials or operations are not shown or described in detail to avoid blurring the various aspects of the present utility model.

[0034] Although relative terms such as "upper" and "lower" are used in the present invention to describe the relative relationship of one component of the illustration to another component, these terms are used in the present invention only for convenience, such as the direction of the examples described in the drawings. It is understood that if the device of the illustration is turned upside down, the component described as "upper" will become the component "lower". Other relative terms, such as "high", "low", "top", "bottom", "front", "back", "left", "right", etc., also have similar meanings. When a structure is "on" other structures, it may mean that the structure is formed integrally on the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure through another structure.

[0035] In the present invention, the terms "a", "an", "the", "said" and "at least one" are used to indicate the existence of one or more elements / components / etc.; the terms "comprising", "including" and "having" are used to express an open-ended inclusion and mean that in addition to the listed elements / components / etc., there may be other elements / components / etc.; the terms "first", "second" and "third" etc. are used only as labels and are not intended to limit the quantity of their objects.

[0036] Some existing pipe connection devices include both a pipe connection part and a line connection part, which can achieve circuit connectivity while connecting the delivery pipe. For example, the pipe connection device on the heating blanket includes both an air duct connection part and a temperature control line part. Moreover, most heating blankets need to remove the air duct first, and then remove the temperature control line. It is necessary to set a terminal block at the interface of the air duct to connect the line of another air duct. When connecting the air duct, it is necessary to reserve a section of the line at the connection to provide expansion space for the line when the air duct is disassembled. The disassembly and installation steps of the pipe connection device are cumbersome, the disassembly and assembly efficiency is low, and the line is easily damaged during the disassembly and assembly process.

[0037] In order to solve all or part of the technical problems in the above-mentioned related devices, an embodiment of the utility model provides a pipeline connection device, which may include a pipeline connection component 1 and a line connection component 2, wherein the pipeline connection component 1 can be arranged at the connection end of the conveying pipeline body to be connected, and the pipeline connection component 1 may include a pipeline fixed section 11 and a plug-in connection section 12, and the connection end can be sleeved on the pipeline fixed section 11; the line connection component 2 can be arranged on the plug-in connection section 12, and fixedly connected to the plug-in connection section 12, for electrically connecting a sensor line arranged inside the conveying pipeline body; when connecting the conveying pipeline body, the pipeline connection component 1 is fixedly connected through the plug-in connection section 12, and at the same time, the line connection component 2 on the plug-in connection section 12 realizes the plug-in connection, thereby completing the electrical connection of the sensor line.

[0038] The pipeline connection device in the above embodiment, on the one hand, while the pipeline connection component 1 is fixedly connected, the line connection component 2 also realizes a plug-in connection. Therefore, when the pipeline connection device is disassembled or installed, the line connection component 2 can be disassembled and assembled while the pipeline connection component 1 is disassembled and assembled, thereby effectively improving the disassembly and assembly efficiency of the pipeline connection device; on the other hand, there is no need to set a terminal block in the conveying pipeline body and reserve the line. The electrical connection of the sensor line is realized through the line connection component 2, and the line is not easily damaged during the disassembly and assembly of the pipeline connection component 1, thereby reducing the damage rate of the pipeline connection device and reducing the maintenance cost; on the other hand, by electrically connecting the line connection component 2 on the plug-in connection section 12 to the sensor line arranged inside the conveying pipeline body, the stability of the line connection can be effectively improved, and the signal transmission efficiency can be improved.

[0039] refer to Figure 1 The pipeline connection device in the utility model may include a pipeline connection component 1 and a line connection component 2. The pipeline connection component 1 may include a pipeline fixing section 11 and a plug-in connection section 12. The line connection component 2 may be used to electrically connect the sensor line arranged inside the conveying pipeline body.

[0040] Among them, the pipe connection component 1 can represent a component used to connect different pipe sections to ensure that the connection between the pipes is tight and firm. Optionally, the pipe connection component 1 can be made of plastic, metal, rubber, ceramics and other suitable materials. The pipe fixing section 11 can represent the part of the pipe connection component 1 used to fix the conveying pipe body and the pipe connection component 1, and the plug-in connection section 12 can represent the part of the pipe connection component 1 used to perform plug-in connection on the pipe connection component 1. Through the plug-in connection component, the two sections of the conveying pipe body connected to the pipe connection component 1 can be connected to form a closed pipeline.

[0041] The line connection component 2 can represent a component for connecting different sensor line segments to achieve electrical connection of the sensor line inside the conveying pipeline body. Exemplarily, the line connection component 2 can be composed of two matching sensor connectors, which can be respectively arranged on different parts of the plug-in connection section 12. When the pipeline connection component 1 is fixedly connected through the plug-in connection section 12, the two sensor connectors also achieve plug-in connection. In addition, the line connection component 2 can also be composed of a wiring socket and a wiring plug. The wiring socket and the wiring plug can be respectively arranged on different parts of the plug-in connection section 12. When the pipeline connection component 1 is fixedly connected through the plug-in connection section 12, the wiring socket and the wiring plug also achieve plug-in connection. Of course, in other exemplary embodiments of the utility model, the line connection component 2 can also be other suitable components that can achieve plug-in connection.

[0042] The delivery pipeline body may represent a pipeline for delivering gas, liquid or other fluids. The sensor line may represent a wire or cable connecting the sensor and the control system, and may be used to transmit the physical quantity signal detected by the sensor. Preferably, the sensor line may be installed inside the delivery pipeline body, such as the inner side wall or the central axis or other parts. Of course, the sensor line may also be installed on the outer side wall of the delivery pipeline body or other suitable parts.

[0043] In this example embodiment, the delivery pipeline body can be made of metal, plastic, rubber or other suitable materials, such as PPR pipe, PVC pipe, cast iron pipe, corrugated pipe or other pipes. For example, the delivery pipeline body can be used to transport gas, such as the inflatable heating pipe on the inflatable heating blanket, etc. When the delivery pipeline body is used to transport gas, the sensor line can be connected to the temperature sensor or pressure sensor to transmit the temperature signal or pressure signal detected by the sensor; the delivery pipeline body can be used to transport liquid, such as the water pipe on the water tank, etc. When the delivery pipeline body is used to transport liquid, the sensor line can be connected to the liquid level sensor or flow sensor to transmit the liquid level signal or flow signal detected by the sensor. Of course, in other embodiments of the utility model, the sensor line can also be connected to other sensors such as concentration sensors and humidity sensors for detecting relevant information of the substance transported by the delivery pipeline body. In addition, when the delivery pipeline body is used to transport liquid, the sensor line can be a waterproof cable, or the sensor line can be set in a waterproof wire pipe or casing. Furthermore, by connecting the pipeline connection component 1 to the delivery pipeline body, a fluid channel can be formed in the delivery pipeline for conveying gas, liquid and other suitable fluid substances. By electrically connecting the line connection component 2 to the sensor line, a data transmission channel can be formed for transmitting the physical quantity information detected by the sensor and sending a control signal to the sensor.

[0044] refer to Figure 2 and Figure 3 As shown, the pipe connection assembly 1 may include a pipe plug connector 13 and a pipe plug socket 14, wherein the pipe plug connector 13 includes a first pipe fixing section 131 and a first plug-in connection section 132, and the pipe plug connector 13 is plugged into the connection end of a conveying pipe body through the first pipe fixing section 131; the pipe plug socket 14 includes a second pipe fixing section 141 and a second plug-in connection section 142, and the pipe plug socket 14 is sleeved on the connection end of another conveying pipe body through the second pipe fixing section 141, and the outer diameter of the second plug-in connection section 142 is equal to the inner diameter of the first plug-in connection section 132. When the connection end of the conveying pipe body is docked, the pipe plug connector 13 and the pipe plug socket 14 are connected by surface friction of the sleeved first plug-in connection section 132 and the second plug-in connection section 142.

[0045] Specifically, the pipe plug connector 13 and the pipe socket 14 can represent a pipe docking structure, which can be used to connect to the conveying pipe body to achieve quick connection or disconnection of the pipe. The first pipe fixing section 131 can represent the part of the pipe plug connector 13 connected to one conveying pipe body, and the second pipe fixing section 141 can represent the part of the pipe socket 14 connected to another conveying pipe body. The first plug-in connection section 132 can represent the part of the pipe plug connector 13 that is plugged in and connected to the pipe socket 14, and the second plug-in connection section 142 can represent the part of the pipe socket 14 that is plugged in and connected to the pipe plug connector 13. Optionally, the outer diameter of the second plug-in connection section 142 is equal to the inner diameter of the first plug-in connection section 132 or the inner diameter of the second plug-in connection section 142 is equal to the outer diameter of the first plug-in connection section 132, which can achieve a firm connection between the pipe plug connector 13 and the pipe socket 14 to prevent the pipe from falling off. Optionally, protrusions or textures may be provided on the contact surfaces of the first plug-in connection section 132 and the second plug-in connection section 142 to increase the friction between the two and improve the connection firmness between the pipe plug connector 13 and the pipe plug socket 14 .

[0046] In an exemplary embodiment, the line connection assembly 2 may include a first sensor connector 21 and a second sensor connector 22, wherein the first sensor connector 21 may be fixedly connected to the inner wall of the first plug-in connection section 132; and the second sensor connector 22 may be fixedly connected to the inner wall of the second plug-in connection section 142. When the pipe plug connector 13 and the pipe plug socket 14 are connected, the first plug-in connection section 132 is docked with the second plug-in connection section 142, and the first sensor connector 21 on the first plug-in connection section 132 and the second sensor connector 22 on the second plug-in connection section 142 are electrically connected at the same time.

[0047] Specifically, the first sensor connector 21 and the second sensor connector 22 can represent a line docking structure, which can be used to achieve quick disconnection or connection of the line. The first sensor connector 21 can be connected to a part of the sensor line, and the second sensor connector 22 can be connected to another part of the sensor line. When the first sensor connector 21 and the second sensor connector 22 complete the electrical connection, the sensor line can be turned on. Secondly, the first sensor connector 21 is fixedly connected to the inner wall of the first plug-in connection section 132, and the second sensor connector 22 is fixedly connected to the inner wall of the second plug-in connection section 142. Not only can the line connection component 2 and the pipe connection component 1 be associated and set, the line connection component 2 can be disconnected or connected while the pipe connection component 1 is disassembled or installed, thereby improving the disassembly and assembly efficiency, and the line connection component 2 can be fixed.

[0048] Furthermore, the first sensor connector 21 can be used to be electrically connected to the control end in the sensor circuit, and the second sensor connector 22 can be used to be electrically connected to the sensor in the sensor circuit. The sensor can be used to detect the target physical quantity in the conveying pipeline body, and the control end can receive the target physical quantity signal through the sensor circuit and send a control signal to the sensor at the same time.

[0049] In addition, in other exemplary embodiments of the present invention, the first sensing connector 21 may be fixedly connected to the inner wall of the second plug-in connection section 142; the second sensing connector 22 may be fixedly connected to the inner wall of the first plug-in connection section 132, and when the pipe plug connector 13 and the pipe plug socket 14 are connected, the first sensing connector 21 and the second sensing connector 22 are electrically connected at the same time.

[0050] In an exemplary embodiment, the first sensor connector 21 and the second sensor connector 22 may be provided with wiring terminals for electrical connection with the sensor circuit. The second sensor connector 22 may include at least one pin 221, and the first sensor connector 21 may include at least one socket. The number of the pins 221 and the socket is the same and the two are arranged correspondingly. When the first sensor connector 21 and the second sensor connector 22 are docked, the pins 221 are embedded in the sockets and the electrical connection is completed at the same time. Among them, the pins 221 may be PIN pins, and the pins 221 may be arranged horizontally, vertically, or in multiple rows in parallel. This exemplary embodiment does not specifically limit the arrangement of the pins 221.

[0051] refer to Figure 3 As shown, the first plug-in connection section 132 may include a plug-in sub-section 1321 and a connecting sub-section 1322. The plug-in sub-section 1321 may be arranged on one end of the first plug-in connection section 132 away from the first pipe fixing section 131; the connecting sub-section 1322 may be arranged on one end of the first plug-in connection section 132 close to the first pipe fixing section 131, and is used to connect the first pipe fixing section 131 and the plug-in sub-section 1321, and the first sensing connector 21 is fixedly connected to the connecting sub-section 1322. The inner diameter of the plug-in sub-section 1321 is greater than the inner diameter of the connecting sub-section 1322, and a step surface is formed on the inner wall of the first plug-in connection section 132, so that when the pipe plug socket 14 and the pipe plug connector 13 are connected, the plug-in depth of the second plug-in connection section 142 is limited.

[0052] Specifically, the plug-in sub-segment 1321 may represent the portion of the first plug-in connection segment 132 used for plugging with the second plug-in connection segment 142, the connection sub-segment 1322 may represent the portion of the first plug-in connection segment 132 used for connecting the first pipe fixing segment 131 and the plug-in sub-segment 1321, and the connection sub-segment 1322 may limit the second plug-in connection segment 142. Exemplarily, the inner diameter of the plug-in sub-segment 1321 may be 5 mm, 1 cm or other suitable values ​​larger than the inner diameter of the connection sub-segment 1322. Preferably, the difference between the inner diameter of the plug-in sub-segment 1321 and the inner diameter of the connection sub-segment 1322 may be equal to the wall thickness of the second plug-in connection segment 142, so that when the pipe plug socket 14 and the pipe plug connector 13 are connected, the inner wall of the second plug-in connection segment 142 may be flush with the inner wall of the first pipe fixing segment 131, thereby ensuring the delivery efficiency of the fluid in the delivery pipe body.

[0053] refer to Figure 4 and Figure 5 As shown, the pipe socket 14 may include a cavity 143, which may be integrally connected with the second plug-in connection section 142 to accommodate and fix the second sensor connector 22, and a portion of the body of the cavity 143 protrudes from the outer wall of the second plug-in connection section 142 to form a limiting protrusion 1431. The limiting protrusion 1431 may represent a portion of the cavity 143 that can be connected to the corresponding structure of the first plug-in connection section 132 for limiting connection.

[0054] In an exemplary embodiment, the pipe socket 14 may include at least one connection hole, which may be provided in the second plug-in connection section 142, and the extension direction of the connection hole is parallel to the extension direction of the second plug-in connection section 142, for fixing the second sensor connector 22 to the cavity 143. Optionally, the second sensor connector 22 may be fixedly connected to the cavity 143 by using a screw 134 adapted to the connection hole.

[0055] refer to Figure 6 As shown, the first plug-in connection section 132 may include a limiting groove 1323, which may be formed by die-casting of the tube wall body of the first plug-in connection section 132, and the shape of the limiting groove 1323 is adapted to the limiting protrusion 1431. When the first plug-in connection section 132 is docked with the second plug-in connection section 142, the limiting protrusion 1431 is embedded in the limiting groove 1323, so as to limit the connection direction of the first plug-in connection section 132 and the second plug-in connection section 142 through the limiting groove 1323 and the limiting protrusion 1431. In addition, the mutual engagement of the limiting groove 1323 and the limiting protrusion 1431 can make the sealing effect of the first plug-in connection section 132 and the second plug-in connection section 142 after docking better.

[0056] In an exemplary embodiment, the pipe plug connector 13 may include: at least one connection hole 133, which may be provided in the connection sub-section 1322, and the extension direction of the connection hole 133 is parallel to the extension direction of the plug sub-section 1321, and is used to fix the first sensor connector 21 to the inner wall of the connection sub-section 1322. Optionally, the first sensor connector 21 may be fixedly connected to the connection sub-section 1322 by using a screw 134 adapted to the connection hole 133.

[0057] In an exemplary embodiment, the connection end of the delivery pipeline body may include a first connection end and a second connection end. The first connection end may be sleeved on the first pipeline fixing section 131, and the inner diameter of the first connection end is equal to the outer diameter of the first pipeline fixing section 131; the second connection end may be embedded in the second pipeline fixing section 141, and the outer diameter of the second connection end is equal to the inner diameter of the first pipeline fixing section 131.

[0058] Specifically, the connection end of the conveying pipe body can represent an end of the conveying pipe body connected to the pipe connection assembly 1, the first connection end can represent an end of the conveying pipe body connected to the pipe plug connector 13, that is, the first pipe fixed section 131, and the second connection end can represent an end of the conveying pipe body connected to the pipe plug socket 14, that is, the second pipe fixed section 141. In addition, setting the inner diameter of the first connection end to be equal to the outer diameter of the first pipe fixed section 131, and the outer diameter of the second connection end to be equal to the inner diameter of the first pipe fixed section 131, can make the conveying pipe body and the pipe connection assembly 1 better socketed, and the connection and sealing effect of the pipe is better. Of course, in other exemplary embodiments of the utility model, the first connection end and the first pipe fixed section 131, and the second connection end and the second pipe fixed section 141 can be connected by other suitable methods such as flange connection, welding, threaded connection, clamp connection, etc.

[0059] refer to Figure 1 As shown, the first pipe fixing section 131 may include at least one fixing hole 1311, which may be provided on the inner wall of the first pipe fixing section 131, and the extension direction of the fixing hole 1311 is parallel to the extension direction of the first pipe fixing section 131, for fixing the sensor circuit. Of course, in other exemplary embodiments of the utility model, the fixing hole 1311 may also be provided on the inner wall of the second pipe fixing section 141. Among them, the material of the fixing hole 1311 may be an elastic material, which can facilitate the installation of the sensor circuit and provide certain protection for the sensor circuit. Of course, in other embodiments of the utility model, the fixing hole 1311 may also be other suitable materials such as metal material, rubber material and resin material.

[0060] In an exemplary embodiment, a protrusion can be provided on the inner wall of the plug-in section 1321, and a slot corresponding to the protrusion can be provided on the outer wall of the second plug-in connection section 142. When the pipe socket 14 and the pipe plug connector 13 are docked, the protrusion is embedded in the slot to fix the pipe socket 14 and the pipe plug connector 13, thereby increasing the connection firmness between the pipe socket 14 and the pipe plug connector 13 and reducing the risk of pipeline disconnection.

[0061] The embodiment of the utility model further provides an inflatable heating device, which includes an inflatable heating delivery pipeline and the above-mentioned pipeline connecting device, and the pipeline connecting device is used to connect the inflatable heating delivery pipeline.

[0062] Among them, one end of the inflatable heating delivery pipeline can be fixedly connected to the inflatable heating blanket, and the other end can be connected to the host through a pipeline connection device. Specifically, the host can be used to input the heated gas into the inflatable heating delivery pipeline, and the inflatable heating delivery pipeline can deliver the gas into the inflatable heating blanket to achieve a heating effect. A sensor line can be set on the inner wall of the inflatable heating delivery pipeline, which is used to connect to the temperature sensor in the inflatable heating delivery pipeline and the host. The host can obtain the temperature information of the inflatable heating blanket through the sensor line and send control information to the temperature sensor.

[0063] It should be understood that the utility model does not limit its application to the detailed structure and arrangement of the components proposed in the utility model. The utility model can have other embodiments and can be implemented and executed in a variety of ways. The aforementioned deformation forms and modified forms fall within the scope of the utility model. It should be understood that the utility model and the defined utility model extend to all alternative combinations of two or more individual features mentioned or evident in the text and / or the drawings. All these different combinations constitute multiple alternative aspects of the utility model. The embodiments described in the utility model illustrate the best known methods for implementing the utility model and will enable those skilled in the art to utilize the utility model.

Claims

1. A pipeline connecting device, characterized in that: include: A pipe connection assembly is arranged at the connection end of the delivery pipe body to be connected, the pipe connection assembly comprises a pipe fixing section and a plug-in connection section, and the connection end is sleeved on the pipe fixing section; A line connection assembly is arranged on the plug-in connection section, fixedly connected to the plug-in connection section, and used for electrically connecting a sensor line arranged inside the delivery pipeline body; Wherein, when connecting the delivery pipeline body, the pipeline connection component is fixedly connected through the plug-in connection section, and at the same time, the line connection component on the plug-in connection section realizes the plug-in connection to complete the electrical connection of the sensor line.

2. The pipe connection device according to claim 1, characterized in that: The pipeline connection assembly comprises: The pipe plug connector comprises a first pipe fixing section and a first plug-in connecting section, wherein the pipe plug connector is plugged into a connecting end of a conveying pipe body through the first pipe fixing section; A pipe socket, comprising a second pipe fixing section and a second plug-in connection section, wherein the pipe socket is sleeved on a connection end of another conveying pipe body through the second pipe fixing section, and the outer diameter of the second plug-in connection section is equal to the inner diameter of the first plug-in connection section; Wherein, when the connection end of the delivery pipeline body is docked, the pipeline plug connector and the pipeline plug socket are frictionally connected through the surfaces of the first plug-in connection section and the second plug-in connection section that are sleeved.

3. The pipeline connecting device according to claim 2, characterized in that: The line connection component comprises: A first sensing connector, fixedly connected to the inner wall of the first pair of plug-in connection sections; A second sensing connector, fixedly connected to the inner wall of the second plug-in connection section; Wherein, when the pipe plug connector and the pipe socket are connected, the first pair of plug-in connection sections are docked with the second pair of plug-in connection sections, and the first sensing connector on the first pair of plug-in connection sections and the second sensing connector on the second pair of plug-in connection sections are electrically connected at the same time.

4. The pipeline connection device according to claim 3, characterized in that: The first plug-in connection section comprises: A plug-in sub-segment, arranged on an end of the first plug-in connecting segment away from the first pipeline fixing segment; A connecting sub-segment, arranged on one end of the first plug-in connecting segment close to the first pipe fixing segment, used to connect the first pipe fixing segment and the plug-in sub-segment, and the first sensing connector is fixedly connected to the connecting sub-segment; Among them, the inner diameter of the plug-in sub-segment is larger than the inner diameter of the connecting sub-segment, and a step surface is formed on the inner wall of the first plug-in connecting segment to limit the plug-in depth of the second plug-in connecting segment when the pipe socket and the pipe plug connector are connected.

5. The pipeline connection device according to claim 3, characterized in that: The pipeline socket comprises: The cavity is integrally formed and connected with the second plug-in connection section, and is used to accommodate and fix the second sensing connector, and a part of the body of the cavity protrudes from the outer wall of the second plug-in connection section to form a limiting protrusion.

6. The pipeline connection device according to claim 5, characterized in that: The first plug-in connection section comprises: A limiting groove is formed by die-casting the tube wall body of the first pair of plug-in connecting sections, and the shape of the limiting groove is adapted to the limiting protrusion; When the first pair of plug-in connecting sections are docked with the second pair of plug-in connecting sections, the limiting protrusion is embedded in the limiting groove, so as to limit the connection direction of the first pair of plug-in connecting sections and the second pair of plug-in connecting sections through the limiting groove and the limiting protrusion.

7. The pipeline connection device according to claim 4, characterized in that: The pipe plug connector comprises: At least one connecting hole is provided in the connecting sub-segment, and the extending direction of the connecting hole is parallel to the extending direction of the plug-in sub-segment, and is used for fixing the first sensing connector to the inner wall of the connecting sub-segment.

8. The pipeline connection device according to claim 2, characterized in that: The connection end comprises: A first connecting end is sleeved on the first pipe fixing section, and the inner diameter of the first connecting end is equal to the outer diameter of the first pipe fixing section; The second connecting end is embedded in and connected to the second pipe fixing section, and the outer diameter of the second connecting end is equal to the inner diameter of the first pipe fixing section.

9. The pipeline connection device according to claim 2, characterized in that: The first pipeline fixing section comprises: At least one fixing hole is provided on the inner wall of the first pipe fixing section, and an extending direction of the fixing hole is parallel to an extending direction of the first pipe fixing section, and is used to fix the sensor circuit.

10. An inflatable heating device, characterized in that: include: Inflatable heating transmission pipeline; The pipeline connecting device according to any one of claims 1 to 9 is used to connect the inflation heating and delivery pipeline.

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