Disclosure of Invention
The invention aims to solve the technical problems that the prior art has the defects of laborious use, incapability of judging the temperature in a kettle and potential health hazards.
The technical scheme adopted for solving the technical problems is as follows: the rotary kettle plug comprises a body, a knob, a sealing cover, a cam mechanism and a temperature indicating module, wherein a flow channel is formed in the body, the knob is arranged at one end of the body, the sealing cover is arranged at the other end of the body and can reciprocate along the axial direction of the body so as to open or close the flow channel, and the cam mechanism is arranged in the body and is connected with the sealing cover and the knob; when the knob rotates, the cover can be pushed by the cam mechanism to reciprocate along the axis direction of the body, and the temperature display module is arranged on the body and used for detecting and displaying the temperature.
Further, the cam mechanism comprises a driving cam connected with the knob, a driven cam connected with the sealing cover and an elastic piece for pushing the driven cam to reset, wherein the driving cam is provided with a wavy pushing surface, and the driven cam is provided with a wavy contact surface which is adaptive to the wavy pushing surface.
Further, the body is provided with an installation cavity and a positioning column arranged in the installation cavity, the driving cam and the driven cam are respectively provided with a sleeving hole which is matched with the positioning column, and the driving cam and the driven cam are respectively arranged in the installation cavity and movably sleeved on the positioning column.
Further, the passive cam is provided with a first convex part protruding along the radial direction, and the elastic piece is a spring propped between the first convex part and the mounting cavity.
Further, the passive cam is provided with an extending part extending along the radial direction, the sealing cover comprises an eccentrically arranged ejector rod and a sealing plate fixedly connected with the ejector rod, and the ejector rod penetrates through the bottom of the mounting cavity to be fixedly connected with the extending part.
Further, the body is provided with a positioning hole penetrating through the knob, the positioning column and the sealing cover, the temperature display module comprises a detection rod and a temperature display disc connected with the detection rod, and the detection rod penetrates through the positioning hole and can extend to penetrate out of the sealing cover.
Further, a concave cavity is formed in the knob, the temperature display disc is located in the concave cavity, and a holding operation part for rotating the knob by fingers is formed on the side wall of the concave cavity.
Further, a first sealing ring is arranged between the detection rod and the positioning hole; the temperature display module is fixed in the positioning hole by the first sealing ring and does not rotate along with the rotation of the knob.
Further, a concave position is arranged at the crest of the wave-shaped contact surface of the passive cam, and the crest of the wave-shaped pushing surface of the active cam can be positioned when moving to the concave position.
Further, the body comprises an upper cover, a middle seat and a lower seat which are sequentially and fixedly connected, and the mounting cavity is arranged on the middle seat; the flow passage includes a main passage formed on the middle seat and isolated from the installation cavity, an outlet formed between the upper cover edge and the upper edge of the middle seat, and an inlet formed on the lower seat.
The invention has the advantages that the knob and the sealing cover are connected through the cam mechanism, when the knob is rotated, the knob can push the sealing cover to reciprocate through the cam mechanism so as to open or close the flow passage, the operation is convenient and labor-saving, the problem that the inner cavity of the kettle plug is communicated with the outside when the knob is rotated is avoided, and the hidden danger of sanitation is effectively eliminated. The temperature display module on the kettle plug can detect and display the temperature, so that the temperature in the kettle can be conveniently judged.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. Preferred embodiments of the present application will now be described in detail with reference to the accompanying drawings.
It should be noted that for convenience of description, spatially relative terms such as "side," "upper," "lower," and the like are used in the specification to describe one component or feature's spatial relationship to another component or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation of the component or feature depicted in the figures. For example, if the component in the drawing is turned upside down, it is described as "moving upward" and then positioned as "moving downward". Thus, the exemplary term "upper" may include both "upper" and "lower" orientations. The component may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. This is, however, that the exemplary embodiments may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, it is possible to locate some of the features on some component for clarity, but it should be understood that the features are not limited to the locations shown in the drawings, such as locating the locating post 13 on the middle seat 16, but the locating post 13 may also be located on the lower seat 17.
As shown in fig. 1 and 2, the invention provides a rotary kettle plug, which comprises a body 1, a knob 2, a sealing cover 3, a cam mechanism 4 and a temperature display module 5, wherein a flow channel 11 is arranged on the body 1, when the kettle plug is fixedly connected with a kettle body, liquid in the kettle can flow out through the flow channel 11 on the body 1 of the kettle plug, the knob 2 is arranged at one end, far away from the kettle body, of the body 1, the sealing cover 3 is arranged at the other end, close to the kettle body, of the body 1, the cam mechanism 4 is arranged in the body 1, two ends of the cam mechanism 4 are respectively connected with the knob 2 and the sealing cover 3, when the knob 2 is rotated, the knob 2 pushes the sealing cover 3 to reciprocate along the axis direction of the body 1, when the sealing cover 3 moves downwards, the flow channel 11 can be opened, and when the sealing cover 3 moves upwards, the flow channel 11 can be closed. Through the cooperation of knob 2, cam mechanism 4 and closing cap 3, open and close the runner 11 of kettle stopper in order to control the interior liquid outflow of kettle, convenient operation, laborsaving, and can not exist the problem of kettle stopper inner chamber and outside intercommunication when knob 2 rotates, effectual the elimination health hidden danger. The temperature indicating module 5 is arranged on the body, and the temperature indicating module 5 can be used for detecting the temperature in the kettle and displaying the temperature, so that a user can conveniently use the kettle according to the temperature in the kettle.
As shown in fig. 1 and fig. 2, the cam mechanism 4 includes a driving cam 41, a driven cam 42 and an elastic member 43, one end of the driving cam 41 is provided with a wave-shaped pushing surface 411, one end of the driven cam 42 is provided with a wave-shaped contact surface 421 adapted to the wave-shaped pushing surface 411, the wave-shaped pushing surface 411 and the wave-shaped contact surface 421 are formed by a plurality of adjacent protrusions, one end of the driving cam 41 provided with the wave-shaped pushing surface 411 is abutted to the wave-shaped contact surface 421 on the driven cam 42, the other end of the driving cam 41 is fixedly connected with the knob 2, the rotation of the knob 2 drives the driving cam 41 to rotate, and then the wave crest of the wave-shaped pushing surface 411 of the driving cam 41 moves out from the wave trough of the wave-shaped contact surface 421 of the driven cam 42, and meanwhile pushes the driven cam 42 to move downwards along the axis direction of the body 1, so as to push the sealing cover 3 to open the flow channel 11. The elastic member 43 is used for pushing the passive cam 42 to reset, so that the crest of the wavy pushing surface 411 and the trough of the wavy contact surface 421 are completely fit, and the sealing cover 3 is pushed to close the flow passage 11. The wave crest of the wave-shaped contact surface 421 of the passive cam 42 is provided with a concave position 422, and when the wave crest of the wave-shaped pushing surface 411 of the active cam 41 moves to the wave crest of the wave-shaped contact surface 421, the wave crest can be positioned by the concave position 422, and at the moment, the knob 2 stops rotating, and the runner 11 is completely opened. When the runner 11 is required to be closed, only the knob 2 is required to be turned, so that the wave crest of the wave-shaped pushing surface 411 of the driving cam 41 moves out of the concave position 422, and under the action of the elastic piece 43 and/or the finger turning knob 2, the wave crest of the wave-shaped pushing surface 411 of the driving cam 41 slides into the wave trough of the wave-shaped contact surface 421 of the driven cam 42, and the runner 11 is completely closed. Preferably, the ends of the driving cam 41 and the driven cam 42 contacting each other are circular.
Further, the body 1 is provided with an installation cavity 12 and a positioning column 13 arranged in the installation cavity 12, the driving cam 41 and the driven cam 42 are respectively provided with a sleeve joint hole matched with the positioning column 13, the driving cam 41 and the driven cam 42 are respectively arranged in the installation cavity 12 and movably sleeved on the positioning column 13, the positioning column 13 is convenient for installing the driving cam 41 and the driven cam 42, and meanwhile, guiding effects are provided for the rotation of the driving cam 41 and the movement of the driven cam 42.
As shown in fig. 1 to 3, the passive cam 42 is provided with a first protruding portion 423 protruding in a radial direction and an extending portion 424 extending in a radial direction, and the elastic member 43 abuts between the first protruding portion 423 and the mounting cavity 12, preferably, the elastic member 43 is a spring, and the elastic member 43 is sleeved on the outer wall of the positioning column 13. The cover 3 includes an eccentric ejector rod 31 and a sealing plate 32 fixedly connected with the ejector rod 31, the ejector rod 31 passes through the bottom of the mounting cavity 12 and is fixedly connected with the extension part 424, and the cover 3 can further limit the driven cam 42 to rotate around the positioning column 13. When the driven cam 42 moves along the positioning column 13, the ejector rod 31 connected with the protruding part 424 on the driven cam 42 drives the sealing plate 32 to move along the axis direction of the body 1. Preferably, the outer wall of the ejector rod 31 is provided with a second sealing ring 311, so that liquid in the kettle is prevented from entering the mounting cavity 12, and meanwhile, a guiding function is provided for the movement of the ejector rod 31 and the abrasion of the ejector rod 31 is slowed down; the thickness of the sealing plate 32 gradually decreases from one side of the ejector rod 31 to the other side thereof to match with the eccentric arrangement of the ejector rod 31, thereby increasing the structural strength of the sealing cover 3, and improving the stability and service life of the sealing cover for sealing the flow passage 11.
As shown in fig. 1 to 3, the temperature display module 5 includes a detecting lever 51 and a temperature display plate 52 connected to the detecting lever 51, and the detecting lever 51 can detect the temperature in the kettle and display the temperature in the kettle through the temperature display plate 52. The body 1 is provided with a positioning hole 14 penetrating through the knob 2, the positioning column 13 and the sealing plate 32 of the sealing cover 3, and the detection rod 51 penetrates through the positioning hole 14 and can extend to penetrate out of the sealing plate 32 so as to detect the temperature in the kettle. The locating hole 14 runs through the locating column 13, and the detection rod 51 passes through the locating hole 14 for the locating column 13 has the effect of locating the temperature indicating module 5 and the initiative cam 41 and the passive cam 42 concurrently, so that the overall structure of the kettle plug is more compact and reasonable. The knob 2 is provided with a concave cavity 21, the positioning hole 14 penetrates through the bottom of the concave cavity 21, the temperature display disc 52 is located in the concave cavity 21, and the positioning hole 14 is used for positioning the detection rod 51 so that the whole temperature display module 5 can be detached from the body 1, the temperature display module 5 in different forms can be replaced conveniently, and personalized customization can be achieved. The side wall of the cavity 21 forms a holding operation part for rotating the knob 2 by a finger, preferably, the side wall of the cavity 21 is the outer side wall of the knob 2, and the outer side wall of the knob 2 is provided with a plurality of concave-convex lines to increase the friction between the knob 2 and the finger. A first sealing ring 511 is arranged between the outer wall of the detecting rod 51 and the positioning hole 14, the first sealing ring 511 is fastened on the outer wall of the detecting rod 51, liquid in a kettle is prevented from entering the positioning hole 14, the detecting rod 51 can be fixed in the positioning hole 14, and therefore the temperature display disc 52 is fixed in the concave cavity 21, when the knob 2 is rotated, the temperature display module 5 cannot rotate along with rotation of the knob 2, and a user can conveniently read temperature display on the temperature display disc 52.
As shown in fig. 1 to 3, the body 1 includes an upper cover 15, a middle seat 16 and a lower seat 17, two ends of the middle seat 16 are fixedly connected with the upper cover 15 and the lower seat 17, the mounting cavity 12 is disposed on the middle seat 16, and in other embodiments, the positioning column 13 may also be disposed on the lower seat 17. The flow passage 11 includes a main passage formed in the middle seat 16 to be isolated from the installation cavity 12, an outlet formed between the edge of the upper cover 15 and the upper edge of the middle seat 16, and an inlet formed in the lower seat 17. The positioning hole 14 penetrates through the upper cover 15 and the lower seat 17, and the detection rod 51 sequentially penetrates through the knob 2, the upper cover 15, the positioning column 13 in the middle seat 16, the lower seat 17 and the sealing plate 32. The driving cam 41 is provided with a second protrusion 412 protruding in a radial direction, the second protrusion 412 abuts against the upper cover 15 to prevent the driving cam 41 from moving in the axial direction of the body 1, the upper cover 15 is provided with a limiting hole 151 adapted to the end of the driving cam 41, and the end of the driving cam 41 connected with the second protrusion 412 is clamped into the limiting hole 151 of the upper cover 15 to limit the driving cam 41 to move in the radial direction of the body 1. Preferably, a washer 6 is provided between the upper cover 15 and the knob 2, and the washer 6 can reduce friction between the knob 2 and the upper cover 15 when rotating and abrasion between the knob 2 and the upper cover 15.
As shown in fig. 4 to 6, when the runner 11 is in the closed state, the wave crest on the wave-shaped pushing surface 411 of the driving cam 41 is attached to the wave trough on the wave-shaped contact surface 421 of the driven cam 42, and the sealing plate 32 seals the inlet on the lower seat 17; when the runner 11 is opened, the knob 2 is rotated, the knob 2 drives the driving cam 41 to rotate, the wave crest of the wave-shaped pushing surface 411 moves out from the wave trough of the wave-shaped contact surface 421 until moving to the concave position 422 at the wave crest of the wave-shaped contact surface 421, in the process, the driving cam 41 does not move in the axial direction of the body 1, the driven cam 42 moves downwards along the axial direction of the body 1 under the pushing of the driving cam 41, the driven cam 42 simultaneously pushes the ejector rod 51 connected with the extension part 424 of the driven cam 42 to move downwards, the ejector rod 51 pushes the sealing plate 52 to move downwards, the sealing plate 52 does not block the inlet of the runner 11 on the lower seat 17 any more, liquid in the kettle can flow out from the runner 11, and meanwhile, the elastic piece 43 between the convex part 423 and the installation cavity 12 can be compressed by the downward movement of the driven cam 42; when the runner is closed, after the knob 2 removes the crest of the wave-shaped pushing surface 411 of the driving cam 41 from the concave position 422 of the wave-shaped contact surface of the driven cam 42, the compressed elastic piece 43 between the convex portion 423 of the driven cam 42 and the mounting cavity 12 pushes the driven cam 42 to move upwards along the axial direction of the body 1 under the action of restoring force, and the upward-moving driven cam 42 drives the sealing cover 5 to move upwards until the trough on the wave-shaped contact surface 421 of the driven cam 42 is attached to the crest on the wave-shaped pushing surface 411 of the driving cam 41, and the sealing plate 32 seals the inlet of the runner 11 on the lower seat 17.
It should be understood that the foregoing embodiments are merely illustrative of the technical solutions of the present invention, and not limiting thereof, and that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art; all such modifications and substitutions are intended to be included within the scope of this disclosure as defined in the following claims.