Combination kettle cover and electric kettle

Abstract

In order to enhance safety, the combined kettle cover according to the present disclosure comprises a fixed cover, a movable cover assembly, a drive assembly and a return spring, wherein the fixed cover has a storage cavity, the movable cover assembly comprises a movable cover plate connected to the bottom side of the storage cavity so as to be able to rise and fall, the drive assembly comprises a transmission block and a drive knob, the transmission block is disposed inside the storage cavity and fixedly connected to the movable cover plate via a rod-shaped connecting member, the drive knob is rotatably connected to the fixed cover, and when it receives an external torque and switches from an open state to a closed state, it presses the transmission block downward to drive the movable cover plate and lower it relative to the fixed cover to seal the kettle body opening, and the return spring is fitted into the rod-shaped connecting member, and when the drive knob switches from a closed state to an open state, it raises the movable cover plate to allow water to be discharged from the kettle body opening.

Description

[Technical field]

[0001] The present invention relates to the technical field of kettles, and in particular to a combination kettle cover and an electric kettle. [Background technology]

[0002] An electric kettle is a common electrical appliance for quickly boiling water. At present, with the improvement of living standards, electric kettles for heating using electricity are widely used. An electric kettle can determine whether water is boiled based on steam, and the electric kettle can automatically turn off after the water is boiled. A conventional electric kettle usually includes a kettle body, an electric heating element, and a kettle cover, and the kettle body is provided with a direct water outlet, and the kettle cover is usually a lid-opening type, which makes it convenient to open the cover and pour water. An electric kettle with such a structure has a simple structure and is easy to manufacture, so it has a wide range of applications. However, in such an electric kettle, the inner liner of the kettle body is directly connected to the water outlet, so that when the kettle is tilted or overturned, the hot water in the kettle will flow out, which is likely to cause burns, and there is a large safety risk. Summary of the Invention [Problem to be solved by the invention]

[0003] An object of the present invention is to provide a combination kettle cover and an electric kettle that are highly safe and allow easy opening and closing control of the water outlet of an electric kettle. [Means for solving the problem]

[0004] To achieve the above objectives, the present invention provides the following technical solutions: The present invention provides a combination kettle cover, including a fixed cover, a movable cover assembly, a drive assembly and a return spring, the fixed cover is used to cover a kettle body opening provided at the top of the kettle body and has a storage cavity, the movable cover assembly includes a movable cover plate connected to the fixed cover at the bottom side of the storage cavity and driven to be lifted and lowered, the movable cover plate seals the opening of the kettle body when it is lowered to a predetermined position, and opens the opening of the kettle body to discharge water when it is raised, the drive assembly includes a transmission block and a drive knob, the transmission block is disposed inside the storage cavity and passes through the storage cavity, The drive knob is used to receive the external torque and is rotatably connected to the fixed cover so as to have an open state and a closed state, and when the drive knob is switched from the open state to the closed state by receiving the external torque, it presses the transmission block downward to drive the movable cover plate and lower it relative to the fixed cover, and the return spring is fitted into the rod-shaped connecting member and compressed between the fixed cover and the transmission block, and lifts the movable cover plate when the drive knob is switched from the closed state to the open state.

[0005] In one embodiment, a transmission ramp surface extending in a circumferential direction is provided on the top of the transmission block, and the drive knob has a drive block that abuts against the transmission block and slides rotatably along the transmission ramp surface, and the drive block is located at the lowest point of the transmission ramp surface when the drive knob is in an open state, and is located at the highest point of the transmission ramp surface when the drive knob is in a closed state.

[0006] In one embodiment, the drive knob comprises a connecting portion and a driving portion, the connecting portion is provided in the middle portion of the receiving cavity, the driving block is provided on a side wall of the connecting portion, and the driving portion is fixedly connected to the connecting portion, at least a top portion of the driving portion protrudes beyond a fixed cover, and is used to rotate the driving block by receiving the external torque.

[0007] In one embodiment, the outer periphery of the connecting portion is circular, two of the transmission inclined surfaces are provided around the connecting portion, and the driving blocks are provided at both ends of the diameter of the connecting portion, and have a pair that slide in one-to-one correspondence along the two transmission inclined surfaces.

[0008] In one embodiment, a first guide hole is formed in the storage cavity, the transmission block has a transmission plate having a second guide hole formed therein, the transmission inclined surface is provided on an upper end of the transmission plate, and a guide post is provided on a lower end of the transmission plate, the guide post is inserted into the first guide hole so as to be movable up and down, and the connecting portion is rotatably fitted into the second guide hole.

[0009] Furthermore, the combination kettle cover further includes a limiting gusset plate for limiting the lifting height of the transmission block, the limiting gusset plate being fixedly connected to the fixed cover above the transmission block.

[0010] In one embodiment, the movable cover assembly has a steam outlet, and a steam switch assembly is provided at the steam outlet, and the movable cover assembly further comprises a mounting cover plate fixed to the movable cover plate on the opposite side of the fixed cover of the movable cover plate, and the steam switch assembly comprises a steam exhaust chamber, a movable rubber plug, a steel ball, and a jacking spring, and the steel ball is movably disposed in the steam exhaust chamber, and the movable rubber plug comprises an ejector rod having an anti-fall-off cap at one end thereof, and a rubber plug connected to one end of the ejector rod remote from the anti-fall-off cap, and the anti-fall-off cap and the rubber plug are respectively provided on both sides of the movable cover plate, and the steel ball is pressed against the anti-fall-off cap so that a gap is formed between the rubber plug and the mounting cover plate, and the jacking spring is fitted to the ejector rod and compressed between the anti-fall-off cap and the mounting cover plate, and is used to push up the rubber plug to block the steam outlet when the combination kettle cover is tilted beyond a predetermined angle and the pressure of the steel ball on the anti-fall-off cap weakens.

[0011] In one embodiment, the steam exhaust chamber comprises a lower cavity integrally molded with the movable cover plate and communicating with the steam outlet, and an upper cavity capped on the top of the lower cavity, the upper cavity having a plurality of steam exhaust holes formed therein.

[0012] Furthermore, the combination kettle cover further includes a decorative cover removably attached to the top of the fixed cover, and the drive assembly is disposed through the decorative cover.

[0013] In a second aspect, the present invention further provides an electric kettle comprising a kettle body and the combined kettle cover, the kettle body including an outer shell and an inner liner having a kettle body opening at a top, the fixed cover being disposed above the inner liner, and the movable cover assembly being capable of opening and closing the kettle body opening in a vertically movable manner.

[0014] The beneficial effects brought about by the combined kettle cover of the present invention are as follows: in the combined kettle cover of the present invention, when the drive knob is switched from an open state to a closed state by rotating the drive assembly, the movable cover assembly is lowered to seal the opening of the kettle body, and when the drive knob is switched from a closed state to an open state, the return spring raises the movable cover assembly to open the opening of the kettle body so that water can be discharged, thereby allowing the water outlet of the kettle body to be opened and closed by rotating the drive knob, which is easy to use and safe. [Brief description of the drawings]

[0015] In order to describe the technical solutions in the embodiments of the present invention more clearly, the following briefly describes the accompanying drawings which are necessary for describing the embodiments of the present invention. [Figure 1] 1 is a three-dimensional view of a combination kettle cover according to one embodiment of the present invention; [Diagram 2] FIG. 2 is a three-dimensional view of the combination kettle cover shown in FIG. 1 from another perspective, showing the actuation knob in an open state. [Diagram 3] FIG. 2 is a three-dimensional view of the combination kettle cover shown in FIG. 1 with the drive knob in a closed state. [Figure 4] FIG. 2 is a three-dimensional view of the combination kettle cover shown in FIG. 1 with the decorative cover removed. [Diagram 5] FIG. 2 is a three-dimensional view of a fixed cover according to an embodiment of the present invention. [Figure 6] FIG. 2 is a three-dimensional view of a transmission block according to an embodiment of the present invention. [Figure 7] FIG. 4 is a three-dimensional view of a connecting portion according to an embodiment of the present invention. [Figure 8] FIG. 2 is an assembly schematic of a drive assembly, a movable cover assembly, and a return spring according to an embodiment of the present invention; [Figure 9]FIG. 2 is a schematic diagram of the internal structure of the combination kettle cover shown in FIG. 1 when the drive knob is in an open state. [Figure 10] 2 is a schematic diagram of the internal structure of the combination kettle cover shown in FIG. 1 when the drive knob is in a closed state. [Figure 11] 1 is a cross-sectional view of an electric kettle according to an embodiment of the present invention when the drive knob is in a closed position. [Figure 12] 1 is a cross-sectional view of an electric kettle according to an embodiment of the present invention when the drive knob is in an open position. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0016] Hereinafter, the embodiments of the present invention will be described in more detail with reference to the drawings. Although the drawings show some embodiments of the present invention, it should be understood that the present invention can be realized in various forms, and the drawings are provided for a more thorough and complete understanding of the present invention, and should not be construed as being limited to the embodiments described in the present invention. It should be understood that the drawings and the embodiments of the present invention are used only for illustrative purposes, and do not limit the protection scope of the present invention.

[0017] It is understood that the steps described in the method embodiments of the present invention may be performed in different orders and / or in parallel. Additionally, method embodiments may include additional steps and / or omit the performance of illustrated steps. The scope of the present invention is not limited in this respect.

[0018] As used herein, the term "comprises" and variations thereof are intended to be openly inclusive, i.e., meaning "including but not limited to." The term "connected" may refer to a direct connection or an indirect connection through an intermediate part (component). The term "in one embodiment" means "at least one embodiment." The term "in another embodiment" means "at least one other embodiment." The term "in some embodiments" means "at least some embodiments." Relevant definitions of other terms are provided in the following description.

[0019] It should be noted that the concepts of "first", "second", etc. referred to in the present invention are merely intended to distinguish between devices, modules, or units, and are not intended to limit the fact that these devices, modules, or units are necessarily different devices, modules, or units, nor are they intended to limit the order or interdependence of functions performed by these devices, modules, or units.

[0020] Referring to Figures 1 to 10 and combining Figures 11 and 12, one embodiment of the present invention provides an assembled kettle cover 100 and an electric kettle to which the assembled kettle cover 100 is applied, the electric kettle being a lid-opening kettle including a kettle body 200 and the above-mentioned assembled kettle cover 100, the kettle body 200 including an outer shell and an inner liner 210 disposed in the outer shell, and the assembled kettle cover 100 is engaged with the top of the outer shell and positioned on the inner liner 210.

[0021] The combined kettle cover 100 comprises a fixed cover 10, a movable cover assembly 20, a driving assembly 30 and a return spring 40, the fixed cover 10 is engaged with the top of the kettle body 200 when covering the kettle body 200 and is located above the inner liner 210 of the kettle body, the movable cover assembly 20 is movably connected to the fixed cover 10 from the bottom side of the fixed cover 10 and its movable cover plate can be raised and lowered to approach and move away from the fixed cover 10, the driving assembly 30 is for lowering the cover plate of the movable cover assembly 20 to move away from the fixed cover 10 and rotating to seal the kettle body opening 211 at the top of the inner liner 210 of the kettle body, and the return spring 40 is used to raise the movable cover assembly 20 to open the kettle body opening 211 to allow water to be discharged after the pressure of the movable cover assembly 20 by the driving assembly 30 is released.

[0022] The fixed cover 10 is used to cover a kettle body opening 211 provided at the top of the kettle body 200 and has a receiving cavity 11 .

[0023] The movable cover assembly 20 comprises a movable cover plate 21 which is connected to the fixed cover 10 at the bottom side of the storage cavity 11 and driven to be able to rise and fall, and a seal ring 23 arranged to surround the periphery of the movable cover plate 21, and when the movable cover plate 21 is lowered to a predetermined position, the seal ring 23 can seal the kettle body opening 211 by closing the gap between the movable cover plate 21 and the top of the inner liner 210, and when the movable cover plate 21 is raised, the seal ring 23 can open the kettle body opening 211 to allow water to be discharged.

[0024] The drive assembly 30 includes a transmission block 31 and a drive knob 32 controlled to act on the transmission block 31. The transmission block 31 is disposed inside the storage cavity 11 and is fixedly connected to the movable cover plate 21 via a rod-shaped connecting member 22 penetrating the storage cavity 11. The drive knob 32 is used to receive external torque, and is rotatably connected to the fixed cover 10 to have an open state and a closed state. When the drive knob 32 is switched from the open state to the closed state upon receiving external torque, it presses the transmission block 31 downward to drive the movable cover plate 21 to descend relative to the fixed cover 10.

[0025] The return spring 40 is fitted onto the rod-shaped connecting member 22 and compressed between the fixed cover 10 and the transmission block 31, causing the movable cover plate 21 to rise when the drive knob 32 is switched from the closed state to the open state.

[0026] In the combined kettle cover 100 of this embodiment, when the drive knob 32 is switched from the open state to the closed state by rotating the drive assembly 30, the movable cover assembly 20 is lowered to seal the kettle body opening 211, and when the drive knob 32 is switched from the closed state to the open state, the return spring 40 raises the movable cover assembly 20 to open the kettle body opening 211 to allow water to be discharged. As a result, the water outlet of the kettle body 200 can be opened and closed by rotating the drive knob 32, making it easier to use the lid-opening electric kettle and improving its safety when used.

[0027] 5, in one embodiment, a stepped hole 13 is provided in the fixed cover 10, a female threaded hole is provided in the top of the movable cover plate 21, and a rod-shaped connecting member 22 is fixed to pass through the stepped hole 13, the transmission block 31 is provided with a screw hole corresponding to the female threaded hole of the rod-shaped connecting member 22, and a screw hole is provided for passing a screw for fixing the transmission block 31 to the movable cover plate 21, and one end of the return spring 40 is pressed against the transmission block 31 and the other end is embedded in the stepped hole 13. In addition, a spring housing sleeve is further provided on the surface of the transmission block 31 facing the movable cover plate 21, and an end of the return spring 40 is fitted into the spring housing sleeve.

[0028] In one embodiment, a transmission inclined surface 311 extending circumferentially is provided on the top of the transmission block 31, and the drive knob 32 has a drive block 3221 that abuts against the transmission block 31 and slides rotatably along the transmission inclined surface 311, and the drive block 3221 is located at the lowest point of the transmission inclined surface 311 when the drive knob 32 is in an open state, and is located at the highest point of the transmission inclined surface 311 when the drive knob 32 is in a closed state.

[0029] In this embodiment, the heights of the drive block 3221 and the fixed cover 10 are fixed relative to one another, and the transmission block 31 can rise and fall in the height direction relative to the fixed cover 10. As a result, when the drive block 3221 slides rotatably on the transmission inclined surface 311, the transmission block 31 can rise or fall relative to the fixed cover 10.

[0030] 7 and 8, in one embodiment, the driving knob 32 includes a connecting part 322 and a driving part 321. The connecting part 322 is provided at a middle part of the receiving cavity, and the driving block 3221 is provided on a side wall of the connecting part 322. The driving part 321 is fixedly connected to the connecting part 322, and at least a top part of the driving part 321 protrudes from the fixed cover 10, and is used to rotate the driving block 3221 by receiving the external torque. As can be seen from this, a screw hole 3220 is provided at the center of the connecting part 322 to pass a screw for connecting with the driving part 321.

[0031] In one embodiment, the outer periphery of the connecting portion 322 is circular. Two of the transmission inclined surfaces 311 are provided around the connecting portion 322, and the driving blocks 3221 are provided at both ends of the diameter of the connecting portion 322, and include a pair of driving blocks 3221 that slide in one-to-one correspondence along the two transmission inclined surfaces 311. By installing the pair of driving blocks 3221 to slide along the two transmission inclined surfaces 311, smoother driving is possible, and the operation feel when opening and closing the water outlet is improved.

[0032] Referring to Figure 6, in one embodiment, a first guide hole 12 is opened in the storage cavity 11, the transmission block 31 has a transmission plate having a second guide hole 310 opened therein, the upper end of the transmission plate is provided with the transmission inclined surface 311, and the lower end of the transmission plate is provided with a guide post 312 that is inserted into the first guide hole 12 so as to be able to move up and down, and the connecting portion 322 is rotatably fitted into the second guide hole 310.

[0033] Referring to Figure 4, the combined kettle cover 100 further includes a limiting gusset plate 60 for limiting the rising height of the transmission block 31, and the limiting gusset plate 60 is fixedly connected to the fixed cover 10 above the transmission block 31.

[0034] Referring to FIG. 10, in one embodiment, the movable cover assembly 20 has a steam outlet provided therein, the steam outlet being provided with a steam switch assembly 50, and the movable cover assembly 20 further includes a mounting cover plate 24 fixed to the movable cover plate 21 on the side opposite the fixed cover 10 of the movable cover plate 21.

[0035] 9 to 12, the steam switch assembly 50 includes a steam discharge chamber 51, a movable rubber plug 52, a steel ball 53, and a jacking spring (not shown, the same applies below). The steel ball 53 is movably disposed in the steam discharge chamber 51, the movable rubber plug 52 has an ejector rod 521 with a fall-off prevention cap at one end and a rubber plug connected to one end of the ejector rod 521 remote from the fall-off prevention cap, the fall-off prevention cap and the rubber plug are respectively provided on both sides of the movable cover plate, the steel ball 53 is pressed against the fall-off prevention cap so that a gap is formed between the rubber plug and the mounting cover plate 24, and the jacking spring is fitted to the ejector rod 521 and compressed between the fall-off prevention cap and the mounting cover plate 24, and is used to push up the rubber plug to block the steam outlet when the combined kettle cover 100 is tilted beyond a predetermined angle and the pressure of the steel ball 53 on the fall-off prevention cap weakens.

[0036] The steam switch assembly 50 according to an embodiment of the present invention is connected to the movable cover assembly 20 and rises and falls synchronously with the movable cover plate 21. When the kettle body 200 is placed upright, the steel ball 53 presses the anti-fall-off cap and pushes the rubber plug downward to expose the steam outlet, allowing the steam inside the kettle body 200 to be discharged. When the kettle body 200 is tilted or hot water is poured, the kettle cover tilts together with the kettle body 200, causing the steel ball 53 to roll and break away from the anti-fall-off cap, or the pressure of the steel ball 53 on the anti-fall-off cap weakens, causing the rubber plug to be pushed up by the jacking spring and block the steam outlet.

[0037] In one embodiment, the steam exhaust chamber 51 comprises a lower cavity 511 integrally molded with the movable cover plate 21 and communicating with a steam outlet, and an upper cavity 512 capped at the top of the lower cavity 511, and the upper cavity 512 has a plurality of steam exhaust holes 5121 formed therein.

[0038] In addition, a steam isolation chamber 14 is further provided within the storage cavity 11 of the fixed cover 10, and the steam exhaust chamber 51 is embedded within the steam isolation chamber 14 to prevent steam from escaping to other parts of the storage cavity 11.

[0039] Furthermore, the combined kettle cover 100 further includes a decorative cover 70 that is removably attached to the top of the fixed cover 10 to cover the internal structure of the kettle cover and make the kettle cover more beautiful, and the drive assembly 30 is arranged to pass through the decorative cover 70.

[0040] The above description is merely a description of the preferred embodiments of the present invention and the technical principles applied thereto. Those skilled in the art should understand that the scope of the present invention is not limited to the technical solution formed by a specific combination of the above technical features, but should also include other technical solutions formed by any combination of the above technical features or features equivalent thereto without departing from the concept of the above invention. For example, a technical solution formed by mutually replacing the above features with technical features having similar functions (but not limited to) of the invention in the present invention.

[0041] Although the present subject matter has been described using particular language for structural features and / or logical operations of methods, it should be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or operations described above. On the contrary, the specific features and operations described above are merely example forms for implementing the claims.

Claims

1. A combination kettle cover comprising a fixed cover, a movable cover assembly, a drive assembly, and a return spring, The fixed cover is used to cover the kettle body opening provided at the top of the kettle body, and has a storage cavity; the movable cover assembly includes a movable cover plate connected to a fixed cover at a bottom side of the storage cavity and driven to be liftable and lowerable, the movable cover plate being capable of sealing the opening of the kettle body when it is lowered to a predetermined position, and opening the opening of the kettle body when it is raised to allow water to be discharged; The drive assembly includes a transmission block and a drive knob, the transmission block is disposed inside the storage cavity and fixed to the movable cover plate via a rod-shaped connecting member penetrating the storage cavity, the drive knob is used to receive an external torque and is rotatably connected to the fixed cover to have an open state and a closed state, and when the drive knob is switched from the open state to the closed state by receiving the external torque, the drive knob presses the transmission block downward to drive the movable cover plate to descend relative to the fixed cover, A combination kettle cover characterized in that the return spring is fitted into the rod-shaped connecting member, compressed between the fixed cover and the transmission block, and lifts the movable cover plate when the drive knob is switched from a closed state to an open state.

2. 2. The combination kettle cover according to claim 1, characterized in that the top of the transmission block is provided with a transmission slope extending in a circumferential direction, the drive knob has a drive block that abuts against the transmission block and slides rotatably along the transmission slope, and the drive block is located at the lowest point of the transmission slope when the drive knob is in an open state, and is located at the highest point of the transmission slope when the drive knob is in a closed state.

3. The combination kettle cover according to claim 2, characterized in that the driving knob comprises a connecting portion and a driving portion, the connecting portion is provided in the middle portion of the receiving cavity, the driving block is provided on the side wall of the connecting portion, the driving portion is fixedly connected to the connecting portion, at least a top portion of the driving portion protrudes from the fixed cover, and is used to rotate the driving block by receiving the external torque.

4. The combination kettle cover according to claim 3, characterized in that the outer periphery of the connecting portion is circular, two transmission inclined surfaces are provided around the connecting portion, and the driving blocks are provided at both ends of the diameter of the connecting portion, respectively, and have a pair that slide in one-to-one correspondence along the two transmission inclined surfaces.

5. The combination kettle cover according to claim 3, characterized in that the storage cavity has a first guide hole, the transmission block has a transmission plate having a second guide hole, the transmission inclined surface is provided at an upper end of the transmission plate, and a guide post is provided at a lower end of the transmission plate, the guide post is inserted into the first guide hole so as to be movable up and down, and the connecting portion is rotatably fitted into the second guide hole.

6. The combination kettle cover of claim 1, further comprising a limiting gusset plate for limiting the lifting height of the transmission block, the limiting gusset plate being fixedly connected to the fixed cover above the transmission block.

7. The movable cover assembly has a steam outlet, and the steam outlet is provided with a steam switch assembly. The movable cover assembly further includes a mounting cover plate fixed to the movable cover plate on a side opposite the fixed cover of the movable cover plate.

2. The combination kettle cover according to claim 1, wherein the steam switch assembly comprises a steam exhaust chamber, a movable rubber plug, a steel ball and a jacking spring, the steel ball being movably disposed in the steam exhaust chamber, the movable rubber plug comprising an ejector rod having an anti-fall-off cap at one end thereof and a rubber plug connected to one end of the ejector rod remote from the anti-fall-off cap, the anti-fall-off cap and the rubber plug being respectively disposed on both sides of the movable cover plate, the steel ball being pressed against the anti-fall-off cap so as to form a gap between the rubber plug and the mounting cover plate, and the jacking spring being fitted to the ejector rod and compressed between the anti-fall-off cap and the mounting cover plate, and being used to push up the rubber plug to block the steam outlet when the combination kettle cover is tilted beyond a predetermined angle and the pressure of the steel ball on the anti-fall-off cap weakens.

8. The combination kettle cover according to claim 7, characterized in that the steam exhaust chamber comprises a lower cavity integrally formed with the movable cover plate and communicating with the steam outlet, and an upper cavity capped at the top of the lower cavity, and a plurality of steam exhaust holes are opened in the upper cavity.

9. The combination kettle cover according to claim 1, further comprising a decorative cover removably attached to the top of the fixed cover, the drive assembly being disposed through the decorative cover.

10. An electric kettle comprising a kettle body and a kettle cover, The kettle body includes an outer shell and an inner liner having a kettle body opening at a top thereof; The electric kettle is characterized in that the kettle cover is a combination kettle cover as described in any one of claims 1 to 9, the fixed cover is arranged above the inner liner, and the movable cover assembly is capable of opening and closing the kettle body opening in a freely vertically movable manner.

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