Water heating blanket

Abstract

The application relates to a water heating blanket, which comprises a shell and a gas pump mechanism. The shell is provided with a water storage tank; the gas pump mechanism is communicated with the water storage tank and can press liquid in the water storage tank out of the water storage tank; the gas pump mechanism is movably connected with the shell to be switched between an exposed state and a hidden state; when the gas pump mechanism is in the exposed state, the gas pump mechanism is located outside the shell; when the gas pump mechanism is in the hidden state, the whole gas pump mechanism is located in the shell. The water heating blanket provided by the application movably arranges the gas pump mechanism in the shell, and the gas pump mechanism is pulled out of the shell only when the gas pump mechanism is used. When the gas pump mechanism is not used, the gas pump mechanism is hidden in the shell, the probability of interference between the gas pump mechanism and parts located outside the shell can be reduced, and the gas pump mechanism is protected. Compared with a mode that the gas pump mechanism and the shell are separately arranged, the gas pump mechanism and the shell of the above water heating blanket are always connected together, so that the probability of loss of the gas pump mechanism can be reduced.

Description

Technical Field

[0001] This application relates to the field of home furnishing technology, and in particular to a water-heated blanket. Background Technology

[0002] Water-heated blankets are electric blankets that use water circulation for heating. Currently, most water-heated blankets are equipped with an air pump mechanism to remove residual water from the main unit. Because the air pump mechanism and the main unit are independent, the air pump mechanism can easily become lost during operation. Summary of the Invention

[0003] This application addresses the problem that existing water-heated blankets often lose their air pump mechanism when using it to expel residual liquid from the main unit. Instead, it proposes a water-heated blanket where the air pump mechanism can be concealed within the main unit, allowing the user to easily retrieve it for use.

[0004] A water-heated blanket, comprising:

[0005] The casing includes a water storage tank.

[0006] An air pump mechanism is connected to the water storage tank and is capable of expelling the liquid in the water storage tank. The air pump mechanism is movably connected to the housing to switch between an exposed state and a concealed state.

[0007] When the air pump mechanism is in the exposed state, part of the air pump mechanism is located outside the housing; when the air pump mechanism is in the concealed state, the entire air pump mechanism is located inside the housing.

[0008] In one embodiment, the housing has an air pump chamber. When the air pump mechanism is in the exposed state, part of the air pump mechanism extends out of the housing from the air pump chamber. When the air pump mechanism is in the hidden state, all of the air pump mechanism is located inside the air pump chamber.

[0009] In one embodiment, the air pump mechanism includes an operating element and an air pump assembly. One end of the air pump assembly is fixedly connected to the bottom wall of the air pump chamber, and the other end is movably connected to the operating element. The operating element can move away from or near the bottom wall of the air pump chamber.

[0010] In one embodiment, the air pump assembly further includes an elastic element and an air pump rod connected to each other, with one end of the elastic element away from the air pump rod connected to the bottom wall of the air pump chamber, and the end of the air pump rod away from the elastic element connected to the operating element.

[0011] In one embodiment, the air pump assembly further includes a shield and an air inlet, both of which are located on the side of the air pump rod away from the operating member.

[0012] When the air pump rod moves toward the bottom wall of the air pump chamber, the shielding member blocks the first air inlet of the air inlet member, and the shielding member and the air inlet member together compress the gas in the air pump chamber.

[0013] When the air pump rod moves away from the bottom wall of the air pump chamber, the first air inlet is exposed.

[0014] In one embodiment, the housing is further provided with a second air inlet, which is located at the opening of the air pump chamber and communicates with the first air inlet.

[0015] In one embodiment, the air pump assembly further includes a first mating part, which is disposed in at least one of the operating member and the air pump rod. A second mating part is also provided in the air pump chamber. When the second mating part is mated with the first mating part, the air pump assembly is stationary relative to the air pump chamber.

[0016] In one embodiment, the air pump rod has a slot, the slot is configured as the first mating part, and the second mating part is configured as a locking block that engages with the slot.

[0017] In one embodiment, the water storage tank is provided with a third air inlet, which is connected to the air pump mechanism. The third air inlet is covered with a movably connected anti-backflow cover. When the air pump mechanism delivers gas into the water storage tank, the third air inlet allows the gas to enter the water storage tank.

[0018] In one embodiment, the water-heated blanket further includes a heating element, a blanket, and an infusion pipe. The heating element is disposed inside the housing and communicates with the water storage tank. The infusion pipe is disposed inside the blanket, with one end of the infusion pipe communicating with the heating element and the other end communicating with the water storage tank.

[0019] When the air pump mechanism compresses the gas in the air pump chamber, the liquid in the water storage tank can flow back to the water storage tank through the heating element and the liquid delivery pipeline.

[0020] In one embodiment, the infusion pipeline includes a co-current pipeline and a return pipeline. One end of the co-current pipeline is connected to the heating element, one end of the return pipeline is connected to the co-current pipeline, and the other end is connected to the water storage tank.

[0021] In one embodiment, the water-heated blanket further includes a control component and an anti-tipping switch. The control component is electrically connected to the heating element, and the anti-tipping switch is electrically connected to the control component and controls the on / off state of the control component.

[0022] The aforementioned water-heated blanket features an air pump mechanism housed within the casing, which is only pulled out when in use. When not in use, the air pump mechanism is concealed within the casing, reducing the likelihood of interference between it and external components, thus protecting the mechanism. Unlike designs where the air pump mechanism and casing are separate, this water-heated blanket's air pump mechanism and casing are always connected, further reducing the probability of the air pump mechanism being lost.

[0023] When the user repeatedly operates the air pump mechanism to compress the gas inside the pump chamber, the compressed gas continuously flows towards the water storage tank, pushing the liquid in the tank towards the heating element. While the heating element remains connected to the other components, the liquid flowing into it continues to circulate.

[0024] Therefore, an additional air pump chamber is provided on the housing to house the air pump mechanism, allowing it to switch between concealed and exposed states. This also facilitates replacement of the air pump mechanism should it be damaged. Furthermore, the independent design of the air pump mechanism from the other components installed within the housing reduces the probability of interference between the air pump mechanism and other components, thus minimizing the likelihood of these components interfering with each other and affecting their normal operation.

[0025] The water-heated blanket also includes a water pump, a wrapping component, a connector, and a base. The outlet of the water tank is equipped with a water pump sleeve, which can be installed at the outlet via a retaining ring. Some water pumps have the sleeve inserted to connect to the outlet. The water pump and heating element are connected via a pipe, meaning the end of the water pump furthest from the outlet is connected to the heating element. The heating element can be covered by the wrapping component for protection. The heating element and wrapping component can be secured to the outer wall of the water tank using a fixing plate.

[0026] A water outlet pipe for the heating element can be provided between the heating element and the infusion pipeline to connect the two. The water outlet pipe for the heating element is also equipped with a connector seat, which is installed on the base. Part of the water outlet pipe for the heating element is fixed to the connector seat. The infusion pipeline also includes a pipe connector, which can be located on the connector seat. One end of the infusion pipeline is connected to the heating element, and the other end is connected to the water storage tank.

[0027] This creates a circulating channel that flows sequentially through the water tank, water pump, heating element, and infusion pipeline back to the water tank. Therefore, when the user operates the air pump mechanism to compress the gas in the air pump chamber, all residual liquid in the water pump, heating element, and infusion pipeline can be squeezed into the water tank, making it easier for the user to clean the water pump, heating element, and infusion pipeline, and reducing the difficulty of cleaning.

[0028] When the air pump mechanism of the water-heated blanket is not running, but the other components are running, under the action of the water pump, the liquid in the water tank can flow sequentially through the water pump, the heating element and the co-flow pipe and then back to the water tank through the return pipe.

[0029] When it is necessary to clean residual liquid from components such as the heating element, turn off the heating element and pull the air pump mechanism out of the air pump chamber. Continuously press the air pump mechanism to compress the gas inside the air pump chamber, forcing the gas into the water tank. This allows the liquid in the water tank to flow to the water pump, and then sequentially through the heating element and the infusion pipes, finally flowing back into the water tank. The user can then empty the liquid from the water tank.

[0030] Because the liquid flowing through the co-current pipe and the return pipe have different temperatures, setting the infusion pipeline to include both co-current and return pipes can minimize the probability of heat interaction between the liquids in the two pipes, thereby improving the effect of the water-heated blanket.

[0031] The air pump assembly also includes a shield and an air inlet, both of which are located on the side of the air pump rod away from the operating component. When the air pump rod moves toward the bottom wall of the air pump chamber, the shield blocks the first air inlet of the air inlet, and the shield and the air inlet together compress the gas in the air pump chamber. When the air pump rod moves away from the bottom wall of the air pump chamber, the first air inlet is exposed.

[0032] As the air pump rod moves up and down within the air pump chamber, and as it moves closer to the bottom wall of the chamber, the blocking component and the air inlet component follow its movement. Because both components can contact the inner wall of the chamber, friction is generated during their movement. Under this friction, they move relative to each other, and the diaphragm of the blocking component blocks the first air inlet of the air inlet component. At this point, the gas in the area where the blocking component and the air inlet component are located can only continue to flow downwards, eventually flowing into the water storage tank.

[0033] When the external force on the operating component disappears, the air pump rod, the blocking component, the air intake component, and the operating component move in opposite directions under the elastic restoring force of the elastic element. The blocking component and the air intake component can move relative to each other, and the diaphragm of the blocking component no longer blocks the first air inlet of the air intake component. At this time, the gas in the remaining area of ​​the air pump chamber can enter the area where the air intake component is located through the first air inlet to replenish the gas volume in the air pump chamber.

[0034] This simplifies the structure of the air pump assembly and makes it easier to replenish the gas volume in the air pump chamber. Attached Figure Description

[0035] Figure 1 An exploded view of a water-heated blanket provided in some embodiments of this application.

[0036] Figure 2A cross-sectional view of the air pump mechanism of a water-heated blanket provided in some embodiments of this application when it is in a hidden state.

[0037] Figure 3 A cross-sectional view of the air pump mechanism of a water-heated blanket provided in some embodiments of this application when it is in an exposed state.

[0038] Figure 4 An exploded view of the air pump mechanism of a water-heated blanket provided in some embodiments of this application.

[0039] Figure 5 A top view of a water-heated blanket provided in some embodiments of this application.

[0040] Figure 6 This is a partial enlarged view of a water-heated blanket provided in some embodiments of this application.

[0041] Explanation of reference numerals in the attached figures:

[0042] 10. Shell; 11. Water tank; 111. Third air inlet; 112. Anti-backflow cover; 113. Water tank top cover; 1131. First water inlet; 114. Water tank bottom shell; 12. Air pump chamber; 121. Second mating part; 13. Second air inlet; 14. Second water inlet; 20. Air pump mechanism; 21. Operating component; 22. Air pump assembly; 221. Elastic component; 222. Air pump pressure rod; 223. Shielding component; 224. Air inlet component; 225. First mating part; 226. Air pump housing; 2261. Air outlet; 30. Heating component; 40. Infusion pipeline; 41. Forward flow pipeline; 42. Backflow pipeline; 43. Connector seat; 50. Control component; 60. Anti-tipping switch; 70. Water pump; 100. Water-heated blanket. Detailed Implementation

[0043] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0044] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0045] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0046] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0047] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0048] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0049] Please see Figures 1 to 3 This application provides a water-heated blanket 100 in some embodiments. The water-heated blanket 100 includes a housing 10 and an air pump mechanism 20. The housing 10 has a water storage tank 11; the air pump mechanism 20 is connected to the water storage tank 11 and is capable of pumping liquid out of the water storage tank 11. The air pump mechanism 20 is movably connected to the housing 10 to switch between an exposed state and a concealed state; when the air pump mechanism 20 is in the exposed state, part of the air pump mechanism 20 is located outside the housing 10; when the air pump mechanism 20 is in the concealed state, the entire air pump mechanism 20 is located inside the housing 10.

[0050] The housing 10 is used to install components such as the air pump mechanism 20, the water storage tank 11, and the main unit. The main unit here includes components such as the heating element 30 inside the housing 10. The air pump mechanism 20, the water storage tank 11, and the main unit are in a connected state. The connection between the water storage tank 11 and the housing 10 can be, but is not limited to, a snap-fit ​​or sliding connection, or other detachable connection methods.

[0051] The air pump mechanism 20 is used to compress gas into the water storage tank 11, thereby squeezing the liquid in the water storage tank 11 to flow towards the main unit and back into the water storage tank 11. The connection between the air pump mechanism 20 and the housing 10 can be, but is not limited to, a detachable connection such as a snap-fit ​​or sliding connection.

[0052] like Figure 2 As shown, when the air pump mechanism 20 is not needed, it can be placed inside the housing 10. In this case, the air pump mechanism 20 is in a hidden state and will not interfere with other components located outside the housing 10. Figure 3 As shown, when the air pump mechanism 20 is needed, it is removed from the housing 10. At this time, the air pump mechanism 20 switches from a hidden state to an exposed state, and the user can operate the air pump mechanism 20. The air pump mechanism 20 can compress the gas around it, and the compressed gas can enter the water storage tank 11, squeezing the liquid in the water storage tank 11 into the main unit. Subsequently, the liquid in the main unit flows back into the water storage tank 11. In this way, residual liquid in the main unit can be removed.

[0053] In summary, by movably housing the air pump mechanism 20 within the housing 10, the air pump mechanism 20 is only pulled out of the housing 10 when in use. When not in use, the air pump mechanism 20 is concealed within the housing 10, reducing the probability of interference between the air pump mechanism 20 and parts located outside the housing 10, thus protecting the air pump mechanism 20. Unlike the method where the air pump mechanism 20 and housing 10 are separately configured, the air pump mechanism 20 and housing 10 of the aforementioned water-heated blanket 100 are always connected, thereby reducing the probability of the air pump mechanism 20 being lost.

[0054] like Figure 1 As shown, in some embodiments, the water storage tank 11 may include a water tank cover 113 and a water tank lower shell 114, which are sealed together. The water tank cover 113 is provided with a first water inlet 1131, and a sealing ring is provided between the second water inlet 14 of the shell 10 and the first water inlet 1131 of the water tank cover 113 to achieve a sealing effect.

[0055] Please see Figure 1 In some embodiments, the housing 10 has an air pump chamber 12, in which an air pump mechanism 20 is movably disposed and communicates with the water storage tank 11. When the air pump mechanism 20 is in the exposed state, part of the air pump mechanism 20 can extend out of the housing 10 from the air pump chamber 12. When the air pump mechanism 20 is in the hidden state, all of the air pump mechanism 20 is located in the air pump chamber 12.

[0056] The air pump chamber 12 is spaced apart from the water storage tank 11, and the air pump chamber 12 is used to house the air pump mechanism 20. It is understood that the water storage tank 11 is usually also connected to components such as the heating element 30 of the water-heated blanket 100, and the heating element 30 is used to heat the liquid transported in the water storage tank 11.

[0057] When the user repeatedly operates the air pump mechanism 20 to compress the gas in the air pump chamber 12, the compressed gas continuously flows to the water storage tank 11, and continuously pushes the liquid in the water storage tank 11 towards the heating element 30. When the heating element 30 is still connected to other components, the liquid flowing into the heating element 30 can continue to flow.

[0058] Thus, an additional air pump chamber 12 is provided on the housing 10 to mount the air pump mechanism 20, allowing the air pump mechanism 20 to switch between a concealed state and an exposed state. This facilitates replacement of the air pump mechanism 20 should it be damaged. Furthermore, the independent arrangement of the air pump mechanism 20 from the other components installed within the housing 10 reduces the probability of interference between the air pump mechanism 20 and other components, thus affecting their normal operation.

[0059] Please continue reading. Figure 1In some embodiments, the water-heated blanket 100 further includes a heating element 30, a blanket, and an infusion pipe 40. The heating element 30 is disposed inside the housing 10 and communicates with the water storage tank 11. The infusion pipe 40 is disposed inside the blanket, with one end of the infusion pipe 40 communicating with the heating element 30 and the other end communicating with the water storage tank 11. When the air pump mechanism 20 compresses the gas in the air pump chamber 12, the liquid in the water storage tank 11 can flow back to the water storage tank 11 through the heating element 30 and the infusion pipe 40.

[0060] Heating element 30 is disposed within housing 10 and is used to heat the liquid flowing through it. The liquid in heated element 30 can then flow to infusion pipe 40. It is understood that there are multiple infusion pipes 40, and different infusion pipes 40 are distributed in different parts of the blanket.

[0061] like Figure 1 As shown, the water-heated blanket 100 also includes a water pump 70, a wrapping component, a connector 43, and a base. The outlet of the water storage tank 11 is equipped with a water pump 70 sleeve, which can be installed at the outlet via a water pump 70 sleeve fixing ring. Part of the water pump 70 passes through the water pump 70 sleeve to connect with the outlet. The water pump 70 and the heating element 30 are connected via a pipe, i.e., the end of the water pump 70 furthest from the outlet is connected to the heating element 30. The heating element 30 can be covered by the wrapping component to protect it. The heating element 30, together with the wrapping component, can be fixed to the outer wall of the water storage tank 11 by a fixing plate.

[0062] A water outlet pipe for the heating element 30 can be provided between the heating element 30 and the infusion pipeline 40 to connect the two. The water outlet pipe of the heating element 30 is also provided with a connector 43 on its exterior. The connector 43 is mounted on the base, and a portion of the water outlet pipe of the heating element 30 is fixed to the connector 43. The infusion pipeline 40 also includes a pipe connector, which can be provided on the connector 43. One end of the infusion pipeline 40 is connected to the heating element 30, and the other end is connected to the water storage tank 11.

[0063] In this way, a circulation channel can be formed that flows sequentially through the water storage tank 11, the water pump 70, the heating element 30, and the infusion pipeline 40 back to the water storage tank 11. Therefore, when the user operates the air pump mechanism 20 to squeeze the gas in the air pump chamber 12, all the residual liquid in the water pump 70, the heating element 30, and the infusion pipeline 40 can be squeezed into the water storage tank 11, making it easier for the user to clean the water pump 70, the heating element 30, and the infusion pipeline 40, and reducing the difficulty of cleaning.

[0064] Furthermore, in some embodiments, such as Figure 1 As shown, the infusion pipeline 40 includes a co-current pipeline 41 and a return pipeline 42. One end of the co-current pipeline 41 is connected to the heating element 30, one end of the return pipeline 42 is connected to the co-current pipeline 41, and the other end is connected to the water storage tank 11.

[0065] For example, there are four co-current pipes 41, all of which are connected to the heating element 30 via connectors 43. There may be two return pipes 42, one end of which is connected to the co-current pipes 41 via connectors 43, and the other end is connected to the water storage tank 11.

[0066] When the air pump mechanism 20 of the water-heated blanket 100 is not running, but the other components are running, under the action of the water pump 70, the liquid in the water storage tank 11 can flow sequentially through the water pump 70, the heating element 30 and the co-flow pipe 41 and then flow back to the water storage tank 11 through the return pipe 42.

[0067] When it is necessary to clean residual liquid from components such as the heating element 30, the heating element 30 can be turned off, and the air pump mechanism 20 can be pulled out from the air pump chamber 12. The air pump mechanism 20 can be continuously pressed to compress the gas in the air pump chamber 12, forcing the gas into the water storage tank 11. This allows the liquid in the water storage tank 11 to flow to the water pump 70, and then sequentially through the heating element 30 and the infusion pipe 40, finally flowing back to the water storage tank 11. Afterwards, the user can empty the liquid from the water storage tank 11.

[0068] It is understandable that the specific number of downstream pipes 41 and return pipes 42 can be adjusted according to the actual situation.

[0069] Because the liquid temperatures flowing through the co-current pipe 41 and the return pipe 42 are different, setting the infusion pipe 40 to include both the co-current pipe 41 and the return pipe 42 can minimize the probability of heat interaction between the liquids in the two pipes, thereby improving the effect of the water-heated blanket 100.

[0070] Furthermore, in some embodiments, such as Figure 1 As shown, the water-heated blanket 100 also includes a control component 50 and an anti-tipping switch 60. The control component 50 is electrically connected to the heating component 30, and the anti-tipping switch 60 is electrically connected to the control component 50 and controls the on / off state of the control component 50.

[0071] The control unit 50 can be installed on the outer wall of the housing 10 for user operation. The water-heated blanket 100 also includes a main board, which is mounted on the base and electrically connected to the water pump 70, the heating element 30, and the control unit 50. Therefore, the control unit 50 actually controls the operation of these components by electrically connecting to the water pump 70 and the heating element 30 through the main board.

[0072] The anti-tipping switch 60 can be, but is not limited to, a micro switch. The anti-tipping switch 60 is mounted on the base and used to detect the water tank 11. The water tank 11 is installed between the housing 10 and the base. Rubber can be installed between the water tank 11, the housing 10, and the base to absorb the energy generated when the water tank 11 vibrates, thereby reducing the probability that the components adjacent to the water tank 11 will also shake due to the shaking of the water tank 11, and improving the installation stability of the components installed inside the housing 10.

[0073] like Figure 4 As shown, in some embodiments, the air pump mechanism 20 includes an operating member 21 and an air pump assembly 22. One end of the air pump assembly 22 is fixedly connected to the bottom wall of the air pump chamber 12, and the other end is movably connected to the operating member 21. The operating member 21 can move away from or close to the bottom wall of the air pump chamber 12.

[0074] The connection between the operating component 21 and the air pump assembly 22 can be, but is not limited to, a flexible connection, a sliding connection, or other methods that facilitate disassembly.

[0075] When the user grasps the operating component 21 and pulls it away from the bottom wall of the air pump chamber 12, part of the operating component 21 can extend outside the air pump chamber 12, and the air pump assembly 22 can move along with the operating component 21. At this time, there is still a lot of space inside the air pump chamber 12. When the user grasps the operating component 21 and pushes it towards the bottom wall of the air pump chamber 12, the air pump assembly 22 also moves with the operating component 21, and the air pump assembly 22 and the operating component 21 together compress the gas inside the air pump chamber 12.

[0076] This simplifies the structure of the air pump mechanism 20 and makes it easier for the user to operate the operating component 21.

[0077] Please see Figure 4 In some embodiments, the air pump assembly 22 further includes an elastic element 221 and an air pump rod 222 connected to each other. The end of the elastic element 221 away from the air pump rod 222 is connected to the bottom wall of the air pump chamber 12, and the end of the air pump rod 222 away from the elastic element 221 is connected to an operating element 21.

[0078] The elastic element 221 can be, but is not limited to, a spring, and the spring and the air pump rod 222 extend in the same direction. When the elastic element 221, the air pump rod 222, and the operating element 21 are assembled together, assuming the operating element 21 is in the first position, if the user pushes the operating element 21 towards the bottom wall of the air pump chamber 12, the operating element 21 can drive the air pump rod 222 to move, and the elastic element 221 will deform under the pressure of the air pump rod 222. At this time, the gas in the air pump chamber 12 is continuously compressed.

[0079] When the user stops applying external force to the operating component 21, the elastic restoring force generated by the deformation of the elastic element 221 can push the air pump rod 222 to move away from the bottom wall of the air pump chamber 12, and the operating component 21 also moves together under the action of the air pump rod 222. Subsequently, the operating component 21 returns to the first position, allowing the user to continue pushing the operating component 21 to compress the gas in the air pump chamber 12. This design reduces the difficulty for the user to operate the air pump mechanism 20.

[0080] In some embodiments, such as Figure 4 As shown, the air pump assembly 22 also includes a shield 223 and an air inlet 224. Both the shield 223 and the air inlet 224 are located on the side of the air pump rod 222 away from the operating member 21. When the air pump rod 222 moves toward the bottom wall of the air pump chamber 12, the shield 223 blocks the first air inlet of the air inlet 224, and the shield 223 and the air inlet 224 together compress the gas in the air pump chamber 12. When the air pump rod 222 moves away from the bottom wall of the air pump chamber 12, the first air inlet is exposed.

[0081] An air inlet 224 can be fitted onto the outside of the shield 223, and the shield 223 and the air inlet 224 are fitted together onto the air pump rod 222.

[0082] When the air pump rod 222 moves up and down within the air pump chamber 12, as it moves closer to the bottom wall of the chamber, the blocking member 223 and the air inlet member 224 follow its movement. Since both the blocking member 223 and the air inlet member 224 can contact the inner wall of the air pump chamber 12, they generate friction during movement. Under this friction, they move relative to each other, and the diaphragm of the blocking member 223 blocks the first air inlet of the air inlet member 224. At this time, the gas in the area where the blocking member 223 and the air inlet member 224 are located can only continue to flow downwards, subsequently flowing towards the water storage tank 11.

[0083] When the external force on the operating member 21 disappears, the air pump rod 222, the blocking member 223, the air intake member 224, and the operating member 21 move in opposite directions under the elastic restoring force of the elastic member 221. The blocking member 223 and the air intake member 224 can move relative to each other, and the diaphragm of the blocking member 223 no longer blocks the first air inlet of the air intake member 224. At this time, the gas in the remaining area of ​​the air pump chamber 12 can enter the area where the air intake member 224 is located through the first air inlet to replenish the gas volume in the air pump chamber 12.

[0084] This simplifies the structure of the air pump assembly 22 and makes it easier to replenish the amount of gas in the air pump chamber 12.

[0085] Furthermore, such as Figure 1As shown, in some embodiments, the water storage tank 11 is provided with a third air inlet 111, which is connected to the air pump mechanism 20. The third air inlet 111 is covered with a movable anti-backflow cover 112. When the air pump mechanism 20 delivers gas to the water storage tank 11, the third air inlet 111 supplies gas into the water storage tank 11.

[0086] For example, such as Figure 1 As shown, the air pump assembly 22 also includes an air pump housing 226, which is installed inside the air pump chamber 12. The interior of the air pump housing 226 forms a cavity, in which the elastic element 221 and the air pump lever 222 are movably installed and reciprocating. In other words, the air pump lever 222 and the elastic element 221 actually compress the gas within the cavity.

[0087] The bottom of the air pump housing 226 has an air outlet 2261, which can be connected to the third air inlet 111 of the water storage tank 11 via a pipe. An anti-backflow cover 112 is also provided at the location of the third air inlet 111 inside the water storage tank 11. The anti-backflow cover 112 can be elastically connected to the third air inlet 111. When the compressed gas in the chamber flows towards the third air inlet 111, the gas can push the anti-backflow cover 112, causing it to loosen and no longer completely block the third air inlet 111. This allows the gas to enter the water storage tank 11, thereby promoting the flow of liquid within the tank.

[0088] When the air pump mechanism 20 stops supplying gas to the water storage tank 11, the anti-backflow cover 112 can continue to block the third air inlet 111 under the action of its elasticity, so as to prevent the liquid in the water storage tank 11 from flowing into the air pump mechanism 20 through the third air inlet 111.

[0089] The above settings can reduce the probability of liquid in the water storage tank 11 flowing into the air pump mechanism 20 through the third air inlet 111, effectively protecting the air pump mechanism 20.

[0090] Furthermore, such as Figure 5 and Figure 6 As shown, in some embodiments, the housing 10 is further provided with a second air inlet 13, which is located at the opening of the air pump chamber 12 and is connected to the first air inlet.

[0091] When the diaphragm of the shielding member 223 no longer blocks the first air inlet of the air inlet member 224, the gas in the remaining area of ​​the air pump chamber 12 can enter the area where the air inlet member 224 is located through the first air inlet. The gas located outside the housing 10 can also enter the first air inlet through the second air inlet 13 and finally enter the air pump chamber 12.

[0092] This speeds up the replenishment of the required amount of gas into the air pump chamber 12.

[0093] Specifically, such as Figure 4 As shown, the air pump assembly 22 also includes a first mating part 225, which is provided in at least one of the operating member 21 and the air pump rod 222. The air pump chamber 12 is also provided with a second mating part 121. When the second mating part 121 is mated with the first mating part 225, the air pump assembly 22 is stationary relative to the air pump chamber 12.

[0094] The first mating part 225 and the second mating part 121 are connected by a movable connection, meaning that they can move relative to each other.

[0095] For example, the air pump lever 222 is provided with a first mating part 225, and the air pump cavity 12 is provided with a second mating part 121. When the pushing operation member 21 is moved towards the bottom wall of the air pump cavity 12, the air pump lever 222 moves together. When the user rotates the operation member 21, the air pump lever 222 also rotates. At this time, the first mating part 225 and the second mating part 121 are connected together, so the air pump lever 222 and the air pump cavity 12 are connected together. Whether an external force is applied to the operation member 21 or no force is applied, the operation member 21 remains stationary relative to the air pump cavity 12.

[0096] Similarly, when the operating member 21 is rotated, the first mating part 225 and the second mating part 121 separate, and the air pump rod 222 and the air pump chamber 12 also separate. When an external force is applied to the operating member 21, the operating member 21 can drive the air pump rod 222 to move up and down relative to the air pump chamber 12.

[0097] This setup provides users with a variety of ways to operate the operation component 21, enabling them to achieve multiple purposes.

[0098] More specifically, the air pump rod 222 has a slot, which is configured as a first mating part 225, and the second mating part 121 is configured as a locking block that engages with the slot.

[0099] When the slot of the air pump rod 222 moves to the vicinity of the locking block, rotating the operating member 21 can achieve the engagement of the slot and the locking block. In this way, the structure of the first mating part 225 and the second mating part 121 is simplified, and the manufacturing difficulty of the first mating part 225 and the second mating part 121 is reduced.

[0100] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0101] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A water-heated blanket, characterized in that, include: The housing (10) has a water storage tank (11) and the housing (10) has an air pump chamber (12). An air pump mechanism (20) is connected to the water storage tank (11) and can push the liquid in the water storage tank (11) out of the water storage tank (11). The air pump mechanism (20) is movably connected to the housing (10) to switch between exposed and hidden states. When the air pump mechanism (20) is in the exposed state, part of the air pump mechanism (20) extends out of the housing (10) from the air pump chamber (12); when the air pump mechanism (20) is in the hidden state, all of the air pump mechanism (20) is located inside the air pump chamber (12). The air pump mechanism (20) includes an operating member (21) and an air pump assembly (22). One end of the air pump assembly (22) is fixedly connected to the bottom wall of the air pump chamber (12), and the other end is movably connected to the operating member (21). The operating member (21) can move away from or close to the bottom wall of the air pump chamber (12). The air pump assembly (22) further includes an elastic element (221) and an air pump rod (222) connected to each other, as well as a first mating part (225). The first mating part (225) is provided in at least one of the operating element (21) and the air pump rod (222). The air pump chamber (12) is also provided with a second mating part (121). When the second mating part (121) is engaged with the first mating part (225), the air pump assembly (22) is stationary relative to the air pump chamber (12). The water-heated blanket also includes a heating element (30), a blanket and an infusion pipe (40). The heating element (30) is located inside the housing (10) and is connected to the water storage tank (11). The infusion pipe (40) is located inside the blanket. One end of the infusion pipe (40) is connected to the heating element (30) and the other end is connected to the water storage tank (11). When the air pump mechanism (20) squeezes the gas in the air pump chamber (12), the liquid in the water storage tank (11) can flow back to the water storage tank (11) through the heating element (30) and the liquid delivery pipe (40) to remove the residual liquid.

2. The water-heated blanket according to claim 1, characterized in that, The end of the elastic element (221) away from the air pump rod (222) is connected to the bottom wall of the air pump chamber (12), and the end of the air pump rod (222) away from the elastic element (221) is connected to the operating element (21).

3. The water-heated blanket according to claim 2, characterized in that, The air pump assembly (22) further includes a shield (223) and an air inlet (224), both of which are located on the side of the air pump rod (222) away from the operating member (21); When the air pump rod (222) moves toward the bottom wall of the air pump chamber (12), the shield (223) blocks the first air inlet of the air inlet (224), and the shield (223) and the air inlet (224) together compress the gas in the air pump chamber (12); When the air pump rod (222) moves away from the bottom wall of the air pump chamber (12), the first air inlet is exposed.

4. The water-heated blanket according to claim 3, characterized in that, The housing (10) is also provided with a second air inlet (13), which is located at the opening of the air pump chamber (12) and is connected to the first air inlet.

5. The water-heated blanket according to claim 2, characterized in that, The air pump rod (222) has a slot, which is configured as the first mating part (225), and the second mating part (121) is configured as a locking block that engages with the slot.

6. The water-heated blanket according to any one of claims 1 to 5, characterized in that, The water storage tank (11) is provided with a third air inlet (111), which is connected to the air pump mechanism (20). The third air inlet (111) is covered with a movable anti-backflow cover (112). When the air pump mechanism (20) delivers gas into the water storage tank (11), the third air inlet (111) allows the gas to enter the water storage tank (11).

7. The water-heated blanket according to claim 1, characterized in that, The infusion pipeline (40) includes a co-current pipeline (41) and a return pipeline (42). One end of the co-current pipeline (41) is connected to the heating element (30), one end of the return pipeline (42) is connected to the co-current pipeline (41), and the other end is connected to the water storage tank (11).

8. The water-heated blanket according to claim 1, characterized in that, The water-heated blanket also includes a control component (50) and an anti-tipping switch (60). The control component (50) is electrically connected to the heating element (30), and the anti-tipping switch (60) is electrically connected to the control component (50) and controls the on / off state of the control component (50).

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